CN112975235B - Manufacturing method of port cylinder body - Google Patents
Manufacturing method of port cylinder body Download PDFInfo
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- CN112975235B CN112975235B CN202110088453.4A CN202110088453A CN112975235B CN 112975235 B CN112975235 B CN 112975235B CN 202110088453 A CN202110088453 A CN 202110088453A CN 112975235 B CN112975235 B CN 112975235B
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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
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
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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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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Abstract
The present disclosure provides a method for manufacturing a port cylinder block, including: adopting a first auxiliary component to respectively weld two oil pipelines, wherein each oil pipeline comprises a straight-through pipe, a bent pipe and a cross pipe which are sequentially connected; removing the first auxiliary component and taking down the two oil pipelines; at second auxiliary member facial make-up welding hydro-cylinder body, the hydro-cylinder body includes: the oil delivery pipe comprises a cylinder barrel, a first flange and a second flange, wherein the first flange and the second flange are positioned at two ends of the cylinder barrel; respectively welding the cross through pipes of the two oil pipelines on the two mounting holes by adopting a third auxiliary component; and (4) removing the second auxiliary component and the third auxiliary component to obtain the port cylinder body. This openly can guarantee the assembly precision of each part in the port cylinder body, avoids appearing the problem of size discrepancy.
Description
Technical Field
The disclosure relates to the technical field of ship propulsion, in particular to a manufacturing method of a port cylinder body.
Background
A ship propulsion device is a device that obtains propulsion power by rotating a propeller, and generally uses hydraulic oil as a power source to drive the propeller to rotate. The port cylinder is an important part in the ship propulsion device as an intermediate carrier for conveying hydraulic oil.
However, since the port cylinder is an intermediate transfer part for hydraulic oil in the marine propulsion device and needs to be assembled and connected with various devices to realize the transportation of the hydraulic oil, the port cylinder has a plurality of interfaces connected with other devices, so that the requirement on the assembly size precision of the port cylinder is high, the relative position relationship between each component in the port cylinder is also required, and once the assembly size is out of tolerance, the port cylinder can only be scrapped for treatment, and therefore, the manufacturing difficulty and the cost of the port cylinder are high.
Disclosure of Invention
The embodiment of the disclosure provides a manufacturing method of a port cylinder body, which can ensure the assembly precision of each component in the port cylinder body and avoid the problem of size out-of-tolerance. The technical scheme is as follows:
the embodiment of the disclosure provides a manufacturing method of a port cylinder body, which comprises the following steps: the method comprises the following steps that two oil pipelines are respectively welded by adopting a first auxiliary component, wherein each oil pipeline comprises a straight-through pipe, an elbow pipe and a transverse pipe which are sequentially connected, and the first auxiliary component is used for controlling the coaxiality of the straight-through pipe, the elbow pipe, the transverse pipe and the elbow pipe; dismantling the first auxiliary component and taking down the two oil pipelines; at second auxiliary member facial make-up welding hydro-cylinder body, the hydro-cylinder body includes: the oil delivery pipe comprises a cylinder barrel, a first flange and a second flange, wherein the first flange and the second flange are positioned at two ends of the cylinder barrel; respectively welding the cross through pipes of the two oil pipelines on the two mounting holes by adopting a third auxiliary component, wherein the third auxiliary component is used for controlling the coaxiality of the two cross through pipes and controlling the two oil pipelines to be symmetrical about the central axis of the cylinder barrel; and removing the second auxiliary component and the third auxiliary component to obtain the port cylinder body.
In one implementation of the disclosed embodiment, the first auxiliary member includes: the locking device comprises a first bottom plate, a first positioning plate, a second positioning plate, a first positioning shaft, a second positioning shaft and a locking frame, wherein the first positioning plate and the second positioning plate are arranged on the first bottom plate in parallel at intervals, the first positioning plate and the second positioning plate are both vertically connected with the first bottom plate, one end of the first positioning shaft is vertically connected onto the first positioning plate, one end of the second positioning shaft is vertically connected onto the first bottom plate, the locking frame is positioned on the second positioning plate, the locking frame comprises a first locking ring and a second locking ring, the central axis of the first locking ring is vertical to the central axis of the second locking ring, the first locking ring is coaxial with the first positioning shaft, and the second locking ring is coaxial with the second positioning shaft.
In another implementation manner of the embodiment of the present disclosure, the respectively installing and welding two oil pipelines by using the first auxiliary member includes: coaxially sleeving the first end of the straight-through pipe outside the second positioning shaft, controlling the second end of the straight-through pipe to be coaxially inserted into the second locking ring, enabling the second end of the straight-through pipe to protrude out of the second locking ring, and fixing the second positioning shaft on the first bottom plate; coaxially sleeving a first end of the transverse pipe outside the first positioning shaft, controlling a second end of the transverse pipe to be coaxially inserted into the first locking ring, enabling the second end of the transverse pipe to protrude out of the first locking ring, and fixing the first positioning shaft on the first positioning plate; and welding the first end of the bent pipe at the second end of the straight-through pipe, and welding the second end of the bent pipe at the second end of the cross pipe.
In another implementation of an embodiment of the present disclosure, the second auxiliary member includes: the pipe positioning device comprises a second bottom plate, a positioning barrel and two pipe positioning shafts, wherein an annular positioning groove is formed in the plate surface of the second bottom plate, one end of the positioning barrel is located in the annular positioning groove, the positioning barrel is coaxial with the annular positioning groove, an annular positioning spigot is arranged at the other end of the positioning barrel, two positioning holes which are coaxially arranged are formed in the outer wall surface of the positioning barrel, the two positioning holes are formed in the positioning hole, the two positioning holes are formed in the outer wall surface of the positioning barrel, one end of each pipe positioning shaft is inserted into the corresponding positioning hole, and the two ends of the pipe positioning shafts are coaxially detachably connected.
In another implementation of the embodiment of the present disclosure, the installing and welding the cylinder body on the second auxiliary member includes: mounting the first flange in the annular locating groove; sleeving the cylinder barrel outside the positioning barrel, and controlling the two mounting holes to be coaxially opposite to the two positioning holes respectively; inserting one end of one pipeline positioning shaft into one group of the mounting holes and the positioning holes which are coaxially opposite, inserting one end of the other pipeline positioning shaft into the other group of the mounting holes and the positioning holes which are coaxially opposite, and fixedly connecting one ends of the two pipeline positioning shafts; controlling the distance between the other ends of the two pipeline positioning shafts and the outer wall of the cylinder barrel to be the same, and welding the first flange and the cylinder barrel; and installing the second flange on the annular positioning spigot, and welding the second flange and the cylinder barrel.
In another implementation of the disclosed embodiment, the third auxiliary member includes two support assemblies, the support assemblies including: the supporting component comprises a supporting plate and a third positioning plate, wherein one side edge of the third positioning plate is perpendicularly connected with the plate surface of the supporting plate, an arc-shaped groove is formed in the side edge, back to back, of the third positioning plate, one side edge of the supporting plate is perpendicular to the second bottom plate, the supporting plate of the supporting component is arranged at intervals in parallel, and the supporting plate is located on two sides of the annular positioning groove respectively and is symmetrically arranged about the central axis of the annular positioning groove.
In another implementation manner of the embodiment of the present disclosure, the welding, by using a third auxiliary member, the two cross pipes of the oil transportation pipeline to the two mounting holes respectively includes: inserting a cross pipe of the oil pipeline into the mounting hole, sleeving the cross pipe outside the pipeline positioning shaft, and lapping a straight pipe of the oil pipeline in an arc-shaped groove of the third positioning plate; welding the cross pipe of the oil pipeline and the mounting hole; inserting a cross pipe of the other oil pipeline into the mounting hole, sleeving the cross pipe outside the other pipeline positioning shaft, and lapping a straight-through pipe of the oil pipeline in an arc-shaped groove of the other supporting plate; and welding the cross pipe of the oil conveying pipeline and the mounting hole.
In another implementation manner of the embodiment of the present disclosure, the support assembly further includes a fourth positioning plate and a third locking ring, a side of the fourth positioning plate is vertically connected to the plate surface of the support plate and is parallel to and spaced from the third positioning plate, and the third locking ring is disposed on a side of the fourth positioning plate opposite to the support plate.
In another implementation manner of the embodiment of the present disclosure, the third auxiliary member further includes two floating support assemblies, each floating support assembly includes a supporting plate and an adjusting rod, the supporting plate is used for supporting the cross pipe, one surface of the supporting plate is connected to one end of the adjusting rod, the other end of the adjusting rod is connected to the second bottom plate, and the adjusting rod is capable of moving on the second bottom plate along an axial direction of the adjusting rod in an operable manner.
In another implementation manner of the embodiment of the present disclosure, before the detaching the second auxiliary member and the third auxiliary member, the detaching includes: and oil pipe joints are respectively welded at the end parts of the straight pipes of the two oil pipelines.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
according to the manufacturing method of the port cylinder body, firstly, the first auxiliary component is used for welding the two oil conveying pipelines in a loading mode, wherein the first auxiliary component can control the straight-through pipe and the bent pipe of the oil conveying pipelines and the cross pipe and the bent pipe to keep coaxiality, namely the straight-through pipe, the bent pipe, the cross pipe and the bent pipe keep correct connection postures, and therefore dislocation between the straight-through pipe and the bent pipe and between the cross pipe and the bent pipe during welding can be prevented under the limitation of the first auxiliary component, and the welding accuracy of the oil conveying pipelines is guaranteed. Then, the oil cylinder body is welded on the second auxiliary component in an assembling mode, wherein the second auxiliary component can control the coaxiality of the cylinder barrel and the first flange and the coaxiality of the cylinder barrel and the second flange, namely the cylinder barrel and the first flange and the cylinder barrel and the second flange are enabled to keep correct connection postures, and therefore under the limitation of the second auxiliary component, dislocation between the cylinder barrel and the first flange and between the cylinder barrel and the second flange during welding can be prevented, and the assembling and welding accuracy of the oil cylinder body is guaranteed. And finally, respectively welding the transverse pipes of the two oil conveying pipelines on the two mounting holes of the cylinder barrel by adopting a third auxiliary component, wherein the third auxiliary component can control the coaxiality of the two transverse pipes and enables the two oil conveying pipelines to be symmetrically arranged on two sides of the cylinder barrel, namely the two oil conveying pipelines and the cylinder barrel are kept in correct connection postures, and thus, the dislocation between the two oil conveying pipelines and the cylinder barrel during welding can be prevented under the limitation of the third auxiliary component so as to ensure the assembly and welding accuracy of the oil conveying pipelines and the oil cylinder body.
When the port cylinder body is manufactured, the port cylinder body is divided into two components, namely an oil pipeline and an oil cylinder body, and two different auxiliary components are adopted to respectively position the oil pipeline and the oil cylinder body so as to ensure the assembly and welding accuracy of the two components, namely, a whole is divided into a plurality of components, the components are accurately assembled and welded one by one, and the assembly and welding accuracy is improved by reducing the total number of parts assembled and welded at a single time; then, each component after the accurate assembly welding is combined, assembled and welded, and meanwhile, the assembly welding accuracy is ensured by adopting an auxiliary component so as to ensure the assembly welding accuracy. Meanwhile, all components are still taken as integral small parts during assembly welding, and compared with the method of positioning, welding and assembling all the parts of the port cylinder body at one time, the assembly welding precision can be improved, so that the problem of size out-of-tolerance can be avoided, the yield is improved, and the manufacturing difficulty and cost are reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is apparent that the drawings in the description below are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for manufacturing a port cylinder block according to an embodiment of the disclosure;
FIG. 2 is a schematic structural view of a port cylinder provided in an embodiment of the present disclosure;
FIG. 3 is a flow chart of another method of manufacturing a port cylinder provided by embodiments of the present disclosure;
FIG. 4 is a front view of a first auxiliary member provided by embodiments of the present disclosure;
FIG. 5 is a side view of a first auxiliary member provided by embodiments of the present disclosure;
FIG. 6 is a first manufacturing state diagram of an oil pipeline provided by an embodiment of the present disclosure;
FIG. 7 is a second manufacturing state diagram for an oil pipeline provided by an embodiment of the present disclosure;
FIG. 8 is a third manufacturing state diagram for an oil pipeline provided by an embodiment of the present disclosure;
FIG. 9 is a front view of a second auxiliary member and a third auxiliary member provided by embodiments of the present disclosure;
FIG. 10 is a top view of a second auxiliary member and a third auxiliary member provided by embodiments of the present disclosure;
FIG. 11 is a first manufacturing state diagram of a cylinder body according to an embodiment of the present disclosure;
FIG. 12 is a second manufacturing state diagram of a cylinder body according to an embodiment of the present disclosure;
FIG. 13 illustrates a third manufacturing state diagram of a cylinder body according to an embodiment of the present disclosure;
FIG. 14 is a fourth manufacturing state diagram of a cylinder body according to an embodiment of the present disclosure;
fig. 15 is a fifth manufacturing state diagram of a cylinder body according to an embodiment of the disclosure.
The various symbols in the figure are illustrated as follows:
1-oil pipeline, 11-straight pipe, 12-elbow pipe, 13-cross pipe;
2-oil cylinder body, 21-cylinder barrel, 22-first flange, 23-second flange and 24-mounting hole;
31-a first base plate, 32-a first positioning plate, 33-a second positioning plate, 34-a first positioning shaft, 35-a second positioning shaft, 361-a first locking ring, 362-a second locking ring, 37-a connecting plate;
41-a second bottom plate, 410-an annular positioning groove, 42-a positioning cylinder, 420-an annular positioning spigot, 421-a positioning hole and 43-a pipeline positioning shaft;
5-a support assembly, 51-a support plate, 52-a third positioning plate, 520-an arc-shaped groove, 53-a fourth positioning plate, 54-a third locking ring and 55-an oil pipe joint;
6-floating support component, 61-supporting plate, 62-adjusting rod.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," "third," and the like, as used in the description and in the claims of the present disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
Fig. 1 is a flowchart of a manufacturing method of a port cylinder block according to an embodiment of the present disclosure. As shown in fig. 1, the manufacturing method includes:
step 101: two oil pipelines 1 are respectively welded by adopting a first auxiliary component, and the first auxiliary component is used for controlling the coaxiality of the straight pipe 11 and the bent pipe 12 and the coaxiality of the cross pipe 13 and the bent pipe 12.
Fig. 2 is a schematic structural diagram of a port cylinder provided in the embodiment of the present disclosure. As shown in fig. 2, the port cylinder body includes an oil pipeline 1 and an oil cylinder body 2, wherein the oil pipeline 1 includes a straight pipe 11, an elbow pipe 12 and a cross pipe 13 which are connected in sequence.
Step 102: the first auxiliary member is removed and the two oil pipelines 1 are taken down.
Step 103: the cylinder body 2 is welded to a second auxiliary member for controlling the coaxiality of the cylinder 21 and the first flange 22, and the cylinder 21 and the second flange 23.
As shown in fig. 2, the cylinder body 2 includes: the cylinder 21 and the first flange 22 and the second flange 23 that are located the cylinder 21 both ends, the outer wall of cylinder 21 is equipped with two coaxial relative mounting holes 24, and two mounting holes 24 are used for being connected with the cross-pipe 13 of two oil pipelines 1 respectively.
Step 104: the transverse pipes 13 of the two oil pipelines 1 are respectively welded on the two mounting holes 24 by adopting a third auxiliary component, and the third auxiliary component is used for controlling the coaxiality of the two transverse pipes 13 and controlling the two oil pipelines 1 to be symmetrical about the central axis of the cylinder 21.
Step 105: and removing the second auxiliary component and the third auxiliary component to obtain the port cylinder body.
According to the manufacturing method of the port cylinder body provided by the embodiment of the disclosure, firstly, the two oil pipelines 1 are welded by using the first auxiliary component, wherein the first auxiliary component can control the straight-through pipe 11 and the bent pipe 12, and the cross pipe 13 and the bent pipe 12 of the oil pipelines 1 to keep the coaxiality, namely, the straight-through pipe 11 and the bent pipe 12, and the cross pipe 13 and the bent pipe 12 keep correct connection postures, so that the dislocation between the straight-through pipe 11 and the bent pipe 12 and between the cross pipe 13 and the bent pipe 12 during welding can be prevented under the limitation of the first auxiliary component, and the welding accuracy of the oil pipelines 1 is ensured. And then, the oil cylinder body 2 is welded on a second auxiliary component, wherein the second auxiliary component can control the coaxiality of the cylinder 21 and the first flange 22 as well as the cylinder 21 and the second flange 23, namely the cylinder 21 and the first flange 22 as well as the cylinder 21 and the second flange 23 are kept in a correct connection posture, so that the dislocation between the cylinder 21 and the first flange 22 as well as between the cylinder 21 and the second flange 23 during welding can be prevented under the limitation of the second auxiliary component, and the welding accuracy of the oil cylinder body 2 is ensured. Finally, the transverse pipes 13 of the two oil pipelines 1 are respectively welded on the two mounting holes 24 of the cylinder 21 by adopting a third auxiliary component, wherein the third auxiliary component can control the coaxiality of the two transverse pipes 13, and the two oil pipelines 1 are symmetrically arranged at two sides of the cylinder 21, namely the two oil pipelines 1 and the cylinder 21 are kept in a correct connection posture, so that the dislocation between the two oil pipelines 1 and the cylinder 21 during welding can be prevented under the limitation of the third auxiliary component, and the assembly and welding accuracy of the oil pipelines 1 and the oil cylinder body 2 is ensured.
Thus, when the port cylinder body is manufactured, the port cylinder body is divided into two components, namely an oil pipeline 1 and an oil cylinder body 2, and the oil pipeline 1 and the oil cylinder body 2 are respectively positioned by adopting two different auxiliary components, so that the assembly and welding accuracy of the two components, namely the oil pipeline 1 and the oil cylinder body 2 is ensured; then, all the components after accurate assembly welding are combined, assembled and welded, and meanwhile, the assembly welding accuracy is guaranteed by adopting an auxiliary component so as to guarantee the assembly welding accuracy. Meanwhile, all components are still taken as integral small parts during assembly welding, and compared with the method of positioning, welding and assembling all the parts of the port cylinder body at one time, the assembly welding precision can be improved, so that the problem of size out-of-tolerance can be avoided, the yield is improved, and the manufacturing difficulty and cost are reduced.
Fig. 3 is a flowchart of another method for manufacturing a port cylinder block according to an embodiment of the disclosure. As shown in fig. 3, the manufacturing method includes:
step 201: two oil pipelines 1 are respectively welded by adopting a first auxiliary component, and the first auxiliary component is used for controlling the coaxiality of the straight pipe 11 and the bent pipe 12 and the coaxiality of the cross pipe 13 and the bent pipe 12.
As shown in fig. 2, the oil pipeline 1 comprises a straight pipe 11, an elbow pipe 12 and a cross pipe 13 which are connected in sequence, wherein the straight pipe sections at two ends of the elbow pipe 12 are perpendicular to each other, that is, after the straight pipe 11 and the cross pipe 13 are connected to two ends of the elbow pipe 12, the straight pipe 11 and the cross pipe 13 are also perpendicular to each other.
Fig. 4 is a front view of a first auxiliary member provided in an embodiment of the present disclosure, and fig. 5 is a side view of the first auxiliary member provided in an embodiment of the present disclosure. As shown in fig. 4 and 5, the first auxiliary member includes: the first bottom plate 31, the first positioning plate 32, the second positioning plate 33, the first positioning shaft 34, the second positioning shaft 35 and the locking frame.
As shown in fig. 4, the first positioning plate 32 and the second positioning plate 33 are arranged on the first bottom plate 31 in parallel and at intervals, the first positioning plate 32 and the second positioning plate 33 are both vertically connected with the first bottom plate 31, one end of the first positioning shaft 34 is vertically connected with the first positioning plate 32, one end of the second positioning shaft 35 is vertically connected with the first bottom plate 31, and the locking frame is located on the second positioning plate 33.
As shown in fig. 4, the locking frame includes a first locking ring 361 and a second locking ring 362, a central axis of the first locking ring 361 and a central axis of the second locking ring 362 are perpendicular, the first locking ring 361 is coaxial with the first positioning shaft 34, and the second locking ring 362 is coaxial with the second positioning shaft 35.
In the embodiment of the present disclosure, the first positioning shaft 34 is used for being inserted into and matched with the cross-shaped pipe 13, the second positioning shaft 35 is used for being inserted into and matched with the through pipe 11, and since the first bottom plate 31 and the first positioning plate 32 are perpendicular, the first positioning shaft 34 perpendicularly connected to the first positioning plate 32 and the second positioning shaft 35 perpendicularly connected to the first bottom plate 31 are also perpendicular, so that the through pipe and the cross-shaped pipe 13 can be controlled to be perpendicular to each other by the first positioning shaft 34 and the second positioning shaft 35.
Meanwhile, the two locking rings of the locking frame are used for being inserted and matched with the two ends of the elbow pipe 12, and the first locking ring 361 is coaxial with the first positioning shaft 34, and the second locking ring 362 is coaxial with the second positioning shaft 35, so that after the elbow pipe 12 is assembled on the locking frame, the two ends of the elbow pipe 12 can automatically keep coaxial assembling relation with the straight-through pipe 11 and the transverse pipe 13 respectively.
Illustratively, as shown in fig. 5, each of the first locking ring 361 and the second locking ring 362 includes two half-ring clamps that are detachably connected by bolts and nuts, and when it is desired to install one end of the elbow 12 in the locking ring, the two half-ring clamps can be disassembled, one end of the elbow 12 is placed in an arc groove of one half-ring clamp, and then the other half-ring clamp is press-fitted on the elbow 12, and the two half-ring members are fixed together using the bolts and nuts.
Step 201 may include the following three steps:
first step, fig. 6 is a first manufacturing state diagram of an oil pipeline according to an embodiment of the present disclosure. As shown in fig. 6, the first end of the through pipe 11 is coaxially sleeved outside the second positioning shaft 35, the second end of the through pipe 11 is controlled to be coaxially inserted into the second locking ring 362, the second end of the through pipe 11 protrudes out of the second locking ring 362, and the second positioning shaft 35 is fixed on the first bottom plate 31.
As shown in fig. 6, one end of the second positioning shaft 35 is provided with a connecting plate 37, the connecting plate 37 is provided with a threaded hole, correspondingly, the first bottom plate 31 is also provided with a threaded hole, the connecting plate 37 and the first bottom plate 31 can be fixedly connected through a bolt, and thus, after the oil pipeline 1 is welded, the oil pipeline 1 together with the second positioning shaft 35 can be taken down, so that the oil pipeline 1 is also limited in the process of disassembly and assembly, and the influence of the disassembly and assembly on the precision of the oil pipeline 1 is avoided.
The straight-through pipe 11 can be maintained in a perpendicular positional relationship with the first positioning shaft 34 by inserting both ends of the straight-through pipe 11 into the second positioning shaft 35 and the second locking ring 362, respectively, to define the position of the straight-through pipe 11; meanwhile, the second end of the straight pipe 11 protrudes out of the second locking ring 362, so that one end of the bent pipe 12 and the second end of the straight pipe 11 are butted together in the subsequent assembly process; and the second end of the straight pipe 11 is not covered by the second locking ring 362, which can facilitate the welding of the bent pipe 12 and the straight pipe 11.
In a second step, fig. 7 is a second manufacturing state diagram of an oil pipeline according to an embodiment of the present disclosure. As shown in fig. 7, the first end of the cross pipe 13 is coaxially fitted around the first positioning shaft 34, the second end of the cross pipe 13 is controlled to be coaxially inserted into the first locking ring 361, the second end of the cross pipe 13 is protruded from the first locking ring 361, and the first positioning shaft 34 is fixed to the first positioning plate 32.
As shown in fig. 7, one end of the first positioning shaft 34 is also provided with a connecting plate 37, the connecting plate 37 is provided with a threaded hole, correspondingly, the first positioning plate 32 is also provided with a threaded hole, the connecting plate 37 and the first positioning plate 32 can be fixedly connected through a bolt, so that after the oil pipeline 1 is welded, the oil pipeline 1 can be taken down together with the first positioning shaft 34, the oil pipeline 1 is limited in the process of disassembly and assembly, and the precision of the oil pipeline 1 is prevented from being affected by the disassembly and assembly.
The two ends of the cross pipe 13 are respectively inserted into the first positioning shaft 34 and the first locking ring 361 to limit the position of the cross pipe 13, so that the cross pipe 13 can keep a vertical position relation with the second positioning shaft 35; meanwhile, the second end of the cross pipe 13 protrudes out of the first locking ring 361, so that one end of the elbow pipe 12 and the second end of the cross pipe 13 are butted together in the subsequent assembly process; and the second end of the cross pipe 13 is not covered by the first locking ring 361, which is convenient for welding the bent pipe 12 and the cross pipe 13.
Third, fig. 8 is a third manufacturing state diagram of an oil pipeline according to an embodiment of the present disclosure. As shown in fig. 8, a first end of the elbow pipe 12 is welded to a second end of the straight pipe 11, and a second end of the elbow pipe 12 is welded to a second end of the cross pipe 13.
When the bent pipe 12 is assembled, the assembly clearance and the circumference error variable of the bent pipe 12, the straight-through pipe 11 and the transverse pipe 13 are controlled, the assembly clearance is required to be controlled to be 0 mm-2 mm, and the circumference error variable is less than or equal to 1mm.
When the bent pipe 12, the straight through pipe 11 and the transverse through pipe 13 are welded, the transverse through pipe 13 and the bent pipe 12 are subjected to backing welding by an argon arc welding method, only one layer of backing welding is performed, the straight through pipe 11 and the bent pipe 12 are subjected to backing welding, only one layer of backing welding is performed, and then the rest welding is completed by staggered and symmetrical welding.
It should be noted that the above process only describes the process of manufacturing one oil pipeline 1, and the other oil pipeline 1 may be consistent with the foregoing description, and the details of the embodiment of the disclosure are not repeated.
Step 202: the first auxiliary member is removed and the two oil pipelines 1 are taken down.
When the oil pipeline 1 is taken down, firstly, bolts and nuts of the first locking ring 361 and the second locking ring 362 are loosened, then, bolts between the connecting plate 37 of the first positioning shaft 34 and the first positioning plate 32 and bolts between the connecting plate 37 of the second positioning shaft 35 and the first bottom plate 31 are loosened, the straight-through pipe 11, the bent pipe 12 and the cross pipe 13 which are welded into a whole are taken down together with the two positioning shafts, and finally, the two positioning shafts are taken out, so that the straight-through pipe 11 and the cross pipe 13 are limited in the process of disassembly and assembly, and the influence of the disassembly and assembly on the precision of the oil pipeline 1 is avoided.
Step 203: the cylinder body 2 is welded to a second auxiliary member for controlling the coaxiality of the cylinder 21 and the first flange 22, and the cylinder 21 and the second flange 23.
Fig. 9 is a front view of a second auxiliary member and a third auxiliary member provided by embodiments of the present disclosure. As shown in fig. 9, the second assistance member includes: a second bottom plate 41, a positioning cylinder 42 and two pipe positioning shafts 43.
Fig. 10 is a top view of a second auxiliary member and a third auxiliary member provided by embodiments of the present disclosure. As shown in fig. 10, the second bottom plate 41 has a circular positioning groove 410 on the plate surface.
As shown in fig. 9 and 10, one end of the positioning cylinder 42 is located in the annular positioning groove 410, the positioning cylinder 42 is coaxial with the annular positioning groove 410, the other end of the positioning cylinder 42 is provided with an annular positioning spigot 420, the outer wall surface of the positioning cylinder 42 is provided with two positioning holes 421 coaxially arranged, one ends of the two pipe positioning shafts 43 are respectively inserted into the two positioning holes 421, and one ends of the two pipe positioning shafts 43 are coaxially detachably connected.
Wherein, the inner diameter size of the annular positioning groove 410 is the same as the outer diameter size of the first flange 22, and the annular positioning groove 410 is used for the first flange 22 to be installed, that is, the annular positioning groove 410 is used as the whole positioning base of the oil cylinder body 2.
Moreover, the positioning cylinder 42 is arranged coaxially with the annular positioning groove 410, that is, the positioning cylinder 42 can be used as a positioning reference of the cylinder 21; the other end of the positioning cylinder 42 is provided with an annular positioning spigot 420, and the annular positioning spigot 420 is used for sleeving the second flange 23, namely, the coaxiality of the first flange 22 and the second flange 23 can be ensured through the positioning cylinder 42.
Meanwhile, the two positioning holes 421 on the positioning cylinder 42 are symmetrical about the central axis of the positioning cylinder 42, and one ends of the two pipeline positioning shafts 43 are inserted into the positioning cylinder 42 through the positioning holes 421 respectively, and after the two pipeline positioning shafts 43 are connected, the other ends of the two pipeline positioning shafts 43 are located outside the positioning cylinder 42. Thus, when the cylinder 21 is positioned, by controlling the abutting point of the two pipe positioning shafts 43 to be at the position of the central axis of the positioning cylinder 42, and by detecting whether the distances from the end parts of the other ends of the two pipe positioning shafts 43 to the outer wall surface of the cylinder 21 are equal, it can be determined whether the cylinder 21 is coaxial with the first flange 22 and the second flange 23.
For example, after the cylinder 21 is sleeved on the positioning cylinder 42, the pipe positioning shafts 43 are simultaneously inserted into the positioning holes 421 and the mounting holes 24, and it is ensured that the ends of the two pipe positioning shafts 43 can protrude out of the outer wall surface of the cylinder 21, and the connection point of the two pipe positioning shafts 43 is controlled to be located on the central axis of the positioning cylinder 42. If the distances from the ends of the two pipe positioning shafts 43 to the outer wall surface of the cylinder 21 are equal, it can be determined that the cylinder 21 is coaxial with the first flange 22 and the second flange 23; if the distances from the ends of the two pipe positioning shafts 43 to the outer wall surface of the cylinder 21 are not equal, the cylinder 21 is moved along the axial direction of the pipe positioning shafts 43, and the distances from the ends of the two pipe positioning shafts 43 to the outer wall surface of the cylinder 21 are equal, so as to complete the positioning of the cylinder 21.
As shown in fig. 5, one of the two pipe positioning shafts 43 has an inner hole, so that when the two pipe positioning shafts 43 are butted, the end of one pipe positioning shaft 43 can be inserted into the pipe positioning shaft 43 having the inner hole, and the pipe positioning shafts 43 can be connected by simultaneously penetrating the two pipe positioning shafts 43 with bolts.
In order to facilitate the control of the connection point of the two pipeline positioning shafts 43 to be located on the central axis of the positioning cylinder 42, a threaded hole may be formed in the center of the annular positioning groove 410, so that after the bolt penetrates through the two pipeline positioning shafts 43, the control bolt continues to extend to the threaded hole in the center of the annular positioning groove 410, and the connection point of the two pipeline positioning shafts 43 may be located on the central axis of the positioning cylinder 42.
Step 203 may include the following steps:
first, fig. 11 is a first manufacturing state diagram of a cylinder body according to an embodiment of the present disclosure. As shown in fig. 11, the first flange 22 is mounted in the annular positioning groove 410.
Secondly, as shown in fig. 11, the cylinder 21 is sleeved outside the positioning cylinder 42, so that the cylinder 21 is placed on the first flange 22, and the two mounting holes 24 are controlled to be coaxially opposite to the two positioning holes 421.
Third, as shown in fig. 11, one end of one pipe positioning shaft 43 is inserted into one set of the coaxially opposite mounting hole 24 and positioning hole 421, one end of the other pipe positioning shaft 43 is inserted into the other set of the coaxially opposite mounting hole 24 and positioning hole, and one ends of the two pipe positioning shafts 43 are fixedly connected.
When the two pipeline positioning shafts 43 are connected, after the bolt passes through the two pipeline positioning shafts 43, the control bolt continues to extend to the threaded hole at the circle center position of the annular positioning groove 410, so that the connection point of the two pipeline positioning shafts 43 is located in the central axis of the positioning cylinder 42.
Fourthly, as shown in fig. 11, the other ends of the two pipe positioning shafts 43 are controlled to have the same distance from the outer wall of the cylinder 21, and the first flange 22 and the cylinder 21 are welded.
At this time, the control cylinder 21 is moved in the axial direction of the pipe positioning shafts 43 so that the ends of the two pipe positioning shafts 43 are equidistant from the outer wall of the cylinder 21, and the cylinder 21 and the first flange 22 are coaxial.
Illustratively, the distance (D1, D2) of the outer wall of the cylinder 21 from the ends of the two pipe positioning shafts 43 may be measured using a steel ruler, and for convenient and quick positioning, the distance of the ends of the two pipe positioning shafts 43 from the outer wall of the cylinder 21 may be considered equal by controlling | D1-D2| ≦ 1mm.
Exemplarily, the outer wall of the pipe positioning shaft 43 is provided with scale marks, so that the distance between the end portions of the two pipe positioning shafts 43 and the outer wall of the cylinder 21 can be directly read through the scale marks, the measurement by using a straight steel ruler is not needed, and the measurement accuracy can be improved.
When the first flange 22 and the cylinder 21 are welded, the cylinder 21 and the first flange 22 can be tack welded in a circumferentially symmetrical manner.
Fifthly, fig. 12 is a second manufacturing state diagram of the cylinder body according to the embodiment of the disclosure. As shown in fig. 12, the second flange 23 is fitted over the annular positioning spigot 420, and the second flange 23 and the cylinder tube 21 are welded.
When welding the second flange 23 and the cylinder 21, the cylinder 21 and the second flange 23 may be tack welded in a circumferentially symmetrical manner.
Step 204: the transverse pipes 13 of the two oil pipelines 1 are respectively welded on the two mounting holes 24 by adopting a third auxiliary component, and the third auxiliary component is used for controlling the coaxiality of the two transverse pipes 13 and controlling the two oil pipelines 1 to be symmetrical about the central axis of the cylinder 21.
As shown in fig. 9, the third auxiliary member includes two support assemblies 5, and the support assemblies 5 include: the supporting plate 51 and the third positioning plate 52, a side of the third positioning plate 52 is perpendicularly connected with the plate surface of the supporting plate 51, an arc-shaped groove 520 is formed in the side of the third positioning plate 52, which is opposite to the supporting plate 51, a side of the supporting plate 51 is perpendicular to the second bottom plate 41, the supporting plates 51 of the two supporting assemblies 5 are arranged at intervals in parallel, and the two supporting plates 51 are respectively located at two sides of the annular positioning groove 410 and are symmetrically arranged about the central axis of the annular positioning groove 410.
Each supporting component 5 is used for supporting an oil pipeline 1, and after the cross pipe 13 of each oil pipeline 1 is sleeved on one pipeline positioning shaft 43 and inserted into the mounting hole 24, the outer wall of the straight through pipe 11 of the oil pipeline 1 is controlled to be clamped into the arc-shaped groove 520 of the third positioning plate 52, so that the positioning of one oil pipeline 1 is realized. After two oil pipelines 1 are respectively positioned by two supporting components 5, because two transverse through pipes 13 are sleeved on two pipeline positioning shafts 43 which are coaxially connected, the coaxiality of the two transverse through pipes 13 can be controlled. Moreover, since the two support plates 51 are symmetrically arranged about the central axis of the annular positioning groove 410, the straight pipes 11 of the two oil pipelines 1 can be controlled to be symmetrical about the central axis of the cylinder 21 after being positioned by the arc-shaped grooves 520.
As shown in fig. 9, the supporting assembly 5 further comprises a fourth positioning plate 53 and a third locking ring 54, wherein one side of the fourth positioning plate 53 is vertically connected to the plate surface of the supporting plate 51 and is arranged in parallel and spaced with the third positioning plate 52, and the third locking ring 54 is arranged on the side of the fourth positioning plate 53 opposite to the supporting plate 51.
In the embodiment of the present disclosure, the third locking ring 54 is used for mounting an oil pipe joint 55, the oil pipe joint 55 is mounted at the end of the through pipe 11, and the oil pipe joint 55 can be connected with an oil transportation device so as to guide hydraulic oil to the oil transportation pipeline 1 and the cylinder body 2.
As shown in fig. 9, the fourth positioning plate 53 mounting the third locking ring 54 is located above the third positioning plate 52 so that the oil pipe joint 55 mounted in the third locking ring 54 can be located just above the through pipe 11 for easy welding.
Illustratively, the third locking ring 54 comprises two half-ring clamps that are removably connected by a bolt and nut. When it is desired to install the tubing joint 55 in the third locking ring 54, the two half-ring clamps can be disassembled, the tubing joint 55 placed in the circular groove of one half-ring clamp, and then the other half-ring clamp pressed onto the tubing joint 55 and the two half-ring members secured together using bolts and nuts.
Optionally, the third auxiliary member further includes two floating support assemblies 6, each floating support assembly 6 includes a support plate 61 and an adjusting rod 62, the support plate 61 is used for supporting the cross pipe 13, one surface of the support plate 61 is connected with one end of the adjusting rod 62, the other end of the adjusting rod 62 is connected with the second bottom plate 41, and the adjusting rod 62 is operably moved on the second bottom plate 41 along the axial direction of the adjusting rod 62
Illustratively, as shown in fig. 9, the adjusting rod 62 is a screw, and a plate surface of the second base plate 41 is provided with a threaded hole for the screw to connect, that is, the screw can axially move on the second base plate 41 by rotating. Since the support plate 61 is located at the end of the screw, the support plate 61 can be adjusted to a proper height to support the cross pipe 13 during the axial movement of the screw.
Step 204 may include the following steps:
first, fig. 13 is a third manufacturing state diagram of a cylinder body according to an embodiment of the present disclosure. As shown in fig. 13, the cross pipe 13 of an oil pipeline 1 is inserted into the mounting hole 24 and sleeved outside a pipeline positioning shaft 43, and the straight pipe 11 of the oil pipeline 1 is lapped in an arc-shaped groove 520 of a third positioning plate 52.
As shown in fig. 13, when assembling the oil pipeline 1, the adjusting rod 62 is adjusted to adjust the support plate 61 to a proper height to support the cross pipe 13, so that the cross pipe 13 can be inserted into the mounting hole 24 of the cylinder and sleeved in the pipeline positioning shaft 43, and then the oil pipeline 1 is rotated to erect the straight pipe 11 to be clamped into the arc-shaped groove 520 of the third positioning plate 52.
And secondly, welding the cross pipe 13 and the mounting hole 24 of the oil pipeline 1.
During welding, the cross pipe 13 and the mounting hole 24, the oil pipe joint 55 and the straight pipe 11 may be fixed by tack welding.
Thirdly, fig. 14 is a fourth manufacturing state diagram of a cylinder body according to the embodiment of the disclosure. As shown in fig. 14, the cross-pipe 13 of another oil pipeline 1 is inserted into the mounting hole 24 and sleeved outside the other pipeline positioning shaft 43, and the straight-through pipe 11 of the oil pipeline 1 is lapped in the arc-shaped groove 520 of the other supporting plate 51.
And fourthly, welding the cross pipe 13 and the mounting hole 24 of the oil pipeline 1.
The process of assembling another oil pipeline 1 in the third step and the fourth step is the same as the process in the first step and the second step, and details are not repeated in the embodiment of the disclosure.
Step 205: oil pipe joints 55 are welded to the ends of the straight pipes 11 of the two oil pipelines 1.
Fig. 15 is a fifth manufacturing state diagram of a cylinder body according to an embodiment of the disclosure. As shown in fig. 15, after the oil pipeline 1 is assembled, the oil joint 55 may be further installed by the third locking ring 54. The upper end of the control oil pipe connector 55 is flush with the upper edge of the third locking ring 54 to complete the coaxial positioning of the oil pipe connector 55 and the through pipe 11 for subsequent assembly and welding.
In step 204, after the transverse pipe 13 and the mounting hole 24 are tack welded, the whole port cylinder is welded, the first flange 22 and the annular weld of the cylinder 21 are welded, and two layers of three welding processes are welded. And welding the second flange 23 and the annular welding line of the cylinder barrel 21, and welding two layers and three layers. And welding a circumferential weld of the right oil pipe joint 55 and the straight-through pipe 11 together. And welding the circumferential weld of the right transverse pipe 13 and the cylinder barrel 21, and welding a layer of welding together. And welding the circumferential weld of the left oil pipe joint 55 and the straight-through pipe 11 together. And welding the circumferential weld of the left transverse pipe 13 and the cylinder barrel 21, and welding a layer of welding together. And then repeating the sequence to fill the remaining weld grooves of each part. And finally welding the inner groove weld of the transverse through pipe 13 and the cylinder 21.
Step 206: and (4) removing the second auxiliary component and the third auxiliary component to obtain the port cylinder body.
Although the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure.
Claims (7)
1. A method of manufacturing a port cylinder block, the method comprising:
adopt first auxiliary component dress to weld two oil pipeline respectively, oil pipeline is including the straight-through pipe, return bend and the horizontal siphunculus that connect gradually, first auxiliary component is used for controlling the axiality of straight-through pipe with the return bend the horizontal siphunculus with the return bend, first auxiliary component includes: the locking device comprises a first base plate, a first positioning plate, a second positioning plate, a first positioning shaft, a second positioning shaft and a locking frame, wherein the first positioning plate and the second positioning plate are parallelly arranged on the first base plate at intervals, the first positioning plate and the second positioning plate are both vertically connected with the first base plate, one end of the first positioning shaft is vertically connected with the first positioning plate, one end of the second positioning shaft is vertically connected with the first base plate, the locking frame is positioned on the second positioning plate, the locking frame comprises a first locking ring and a second locking ring, the central axis of the first locking ring is vertical to the central axis of the second locking ring, the first locking ring is coaxial with the first positioning shaft, and the second locking ring is coaxial with the second positioning shaft;
dismantling the first auxiliary component and taking down the two oil pipelines;
at second auxiliary member facial make-up welding hydro-cylinder body, the hydro-cylinder body includes: the cylinder with be located the first flange and the second flange at cylinder both ends, the outer wall of cylinder is equipped with two coaxial relative mounting holes, two the mounting hole be used for respectively with two oil pipeline's cross-pipe is connected, the second auxiliary component is used for controlling the cylinder with first flange, the cylinder with the axiality of second flange, the second auxiliary component includes: the positioning device comprises a second bottom plate, a positioning cylinder and two pipeline positioning shafts, wherein an annular positioning groove is formed in the surface of the second bottom plate, one end of the positioning cylinder is located in the annular positioning groove, the positioning cylinder is coaxial with the annular positioning groove, an annular positioning spigot is formed in the other end of the positioning cylinder, two positioning holes which are coaxially arranged are formed in the outer wall surface of the positioning cylinder, one ends of the two pipeline positioning shafts are respectively inserted into the two positioning holes, and one ends of the two pipeline positioning shafts are coaxially and detachably connected;
adopt the third auxiliary component with two the cross-tube of oil pipeline dress welds two respectively on the mounting hole, the third auxiliary component is used for controlling two the axiality of cross-tube, and control two oil pipeline about the axis symmetry of cylinder, the third auxiliary component includes two supporting component, supporting component includes: the supporting plates of the two supporting assemblies are arranged in parallel at intervals, and the two supporting plates are respectively positioned on two sides of the annular positioning groove and are symmetrically arranged relative to the central axis of the annular positioning groove;
and removing the second auxiliary component and the third auxiliary component to obtain the port cylinder body.
2. The method of manufacturing according to claim 1, wherein the respectively welding of the two oil pipelines with the first auxiliary member comprises:
coaxially sleeving the first end of the straight-through pipe outside the second positioning shaft, controlling the second end of the straight-through pipe to be coaxially inserted into the second locking ring, enabling the second end of the straight-through pipe to protrude out of the second locking ring, and fixing the second positioning shaft on the first bottom plate;
coaxially sleeving a first end of the transverse pipe outside the first positioning shaft, controlling a second end of the transverse pipe to be coaxially inserted into the first locking ring, enabling the second end of the transverse pipe to protrude out of the first locking ring, and fixing the first positioning shaft on the first positioning plate;
and welding the first end of the bent pipe to the second end of the straight-through pipe, and welding the second end of the bent pipe to the second end of the cross pipe.
3. The manufacturing method according to claim 1, wherein the welding the cylinder body on the second auxiliary member includes:
mounting the first flange in the annular positioning groove;
sleeving the cylinder barrel outside the positioning barrel, and controlling the two mounting holes to be coaxially opposite to the two positioning holes respectively;
inserting one end of one pipeline positioning shaft into one group of the mounting holes and the positioning holes which are coaxially opposite, inserting one end of the other pipeline positioning shaft into the other group of the mounting holes and the positioning holes which are coaxially opposite, and fixedly connecting one ends of the two pipeline positioning shafts;
controlling the distance between the other ends of the two pipeline positioning shafts and the outer wall of the cylinder barrel to be the same, and welding the first flange and the cylinder barrel;
and installing the second flange on the annular positioning spigot, and welding the second flange and the cylinder barrel.
4. The manufacturing method according to claim 1, wherein the welding of the cross pipes of the two oil pipelines to the two mounting holes by using a third auxiliary member comprises:
inserting a cross pipe of the oil pipeline into the mounting hole, sleeving the cross pipe outside the pipeline positioning shaft, and lapping a straight pipe of the oil pipeline in an arc-shaped groove of the third positioning plate;
welding the cross pipe of the oil pipeline and the mounting hole;
inserting a cross pipe of the other oil pipeline into the mounting hole, sleeving the cross pipe outside the other pipeline positioning shaft, and lapping a straight-through pipe of the oil pipeline in an arc-shaped groove of the other third positioning plate;
and welding the cross pipe of the oil conveying pipeline and the mounting hole.
5. The method of manufacturing according to claim 1, wherein the support assembly further comprises a fourth positioning plate and a third locking ring, wherein a side of the fourth positioning plate is vertically connected to the plate surface of the support plate and is arranged parallel to and spaced apart from the third positioning plate, and the third locking ring is arranged on a side of the fourth positioning plate opposite to the support plate.
6. The manufacturing method according to claim 1, wherein the third auxiliary member further comprises two floating support assemblies, each floating support assembly comprises a support plate and an adjusting rod, the support plate is used for supporting the cross pipe, one plate surface of the support plate is connected with one end of the adjusting rod, the other end of the adjusting rod is connected with the second bottom plate, and the adjusting rod can move on the second bottom plate along the axial direction of the adjusting rod in an operating mode.
7. The manufacturing method according to any one of claims 1 to 6, wherein the removing the second auxiliary member and the third auxiliary member includes: and oil pipe joints are respectively welded at the end parts of the straight pipes of the two oil pipelines.
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| CN202110088453.4A CN112975235B (en) | 2021-01-22 | 2021-01-22 | Manufacturing method of port cylinder body |
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| CN202110088453.4A CN112975235B (en) | 2021-01-22 | 2021-01-22 | Manufacturing method of port cylinder body |
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| CN114799590B (en) * | 2022-02-16 | 2024-01-30 | 中船双瑞(洛阳)特种装备股份有限公司 | Manufacturing method of front guide cylinder of large-size tubular pump |
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