CN111015064B - Crane tube support concentric assembly tool and assembly method - Google Patents
Crane tube support concentric assembly tool and assembly method Download PDFInfo
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- CN111015064B CN111015064B CN201911409186.5A CN201911409186A CN111015064B CN 111015064 B CN111015064 B CN 111015064B CN 201911409186 A CN201911409186 A CN 201911409186A CN 111015064 B CN111015064 B CN 111015064B
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- groove
- rotating shaft
- rotary joint
- bearing
- tool
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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
The invention provides a concentric assembling tool and method for a crane pipe support. The assembly fixture comprises: the tool shell is formed by splicing at least two tool half shells; each tool half shell is provided with a side groove along the length direction; and an operation window is arranged on the side wall of one side of the tool shell and used for connecting one end of the rotating shaft with the bent pipe, and the other end of the rotating shaft is connected with a bearing, so that the rotating shaft, the bearing and the rotary joint are coaxially fixed. The assembling method comprises the following steps: fixing the rotary joint and the bent pipe through a side groove of the tool shell; the rotating shaft is inserted from the side groove, and the rotating shaft and the bent pipe are fixed through the operation window, so that the rotating shaft, the bearing and the rotary joint are coaxially fixed. This scheme can make oil filling riser pivot and upper and lower support keep concentric in the installation to can guarantee the precision of oil filling riser, and can improve the installation effectiveness of oil filling riser pivot and upper and lower support.
Description
Technical Field
The invention relates to the technical field of oil filling riser, in particular to an oil filling riser support concentric assembly tool and an assembly method.
Background
In the LNG loading pry, the oil filling riser is a universal filling pipeline. LNG is liquefied natural gas, which is at very low temperatures, and therefore it is also required that our crane pipe must have excellent low temperature resistance characteristics, which can be suitable for low temperature operations. LNG is also a combustible gas, which requires the riser to be protected from static electricity and friction to produce sparks, and in order to meet these characteristics, the riser is called an LNG riser by combining components such as a column, a liquid phase arm, a gas recovery arm, a balance device, a swivel, and a quick disconnect valve.
Because the oil filling riser can rotate, in order to meet the rotating function, the upper support and the lower support of the oil filling riser rotating shaft must be concentric. But in the installation of current oil filling riser pivot and upper and lower support, lack sufficient positioner, often rely on staff's personal experience during the installation, lead to the randomness big, be difficult to control the installation accuracy, influence the performance of oil filling riser, and in the installation, often need the limit debugging installation, waste time and energy, be unfavorable for the batch processing of oil filling riser.
Disclosure of Invention
The invention aims to provide a concentric assembling tool for a crane pipe support, which can keep a crane pipe rotating shaft and upper and lower supports concentric in the installation process, thereby ensuring the precision of a crane pipe; a concentric assembling method for a crane pipe support can improve the installation efficiency of a crane pipe rotating shaft and upper and lower supports, and is beneficial to batch processing of crane pipes.
The technical scheme provided by the invention is as follows:
the invention provides a loading arm support concentric assembly tool, wherein the loading arm comprises a rotary joint, a bent pipe and a rotating shaft, one end of the bent pipe is connected with one end of the rotary joint, and the loading arm support concentric assembly tool comprises:
the tool shell is formed by splicing at least two tool half shells;
each tool half shell is provided with a side groove along the length direction, and the side grooves are used for clamping the loading arm;
an operation window is arranged on the side wall of one side of the tool shell and used for connecting one end of the rotating shaft with the bent pipe,
the other end of the rotating shaft extends outwards along the length direction of the side groove and is connected with a bearing, so that the rotating shaft, the bearing and the rotary joint are coaxially fixed.
Because the frock casing comprises the concatenation of two at least frock halves, and all be equipped with the side channel along length direction on every frock half, the shape phase-match of side channel and oil filling riser, make the frock half when the concatenation, the side channel can be fixed and spacing to the oil filling riser, when the pivot and the return bend of welding oil filling riser, insert the side channel with the pivot, because one side of frock casing is provided with the operation window, can be with pivot and return bend welded fastening through the operation window, and under the spacing of side channel, can make the oil filling riser pivot, bearing and rotary joint keep concentric in the installation, thereby can guarantee the precision of oil filling riser.
Further, the side grooves comprise a first groove, a second groove and a third groove which are sequentially connected along the length direction;
the rotary joint is clamped in the third groove, and the other end of the rotary joint, relative to the bent pipe, extends outwards along the length direction of the third groove.
Further, a through elbow hole is formed in the side wall of the second groove, and the other end, opposite to the rotary joint, of the elbow extends out of the elbow hole.
Further, the diameter of the first groove is equivalent to that of the rotating shaft, so that the rotating shaft is fixed when being inserted into the first groove.
Furthermore, a limiting ring piece is arranged between the second groove and the third groove and used for limiting the rotary joint.
Further, the diameter of the third groove is larger than the diameter of the second groove.
Further, the tooling half shells are connected by screw assemblies.
Further, the bottom end of the rotary joint is connected with a lower supporting seat.
Further, a bearing seat is connected with the bearing.
The invention also provides an assembling method for the loading arm support concentric assembling tool, which comprises the following steps:
s1, fixedly connecting one end of the bent pipe with one end of the rotary joint, and connecting one end of the rotating shaft with the bearing;
s2, fixing the rotary joint and the bent pipe through the side groove of the tool shell;
s3, inserting the rotating shaft from the side groove, fixing the other end of the rotating shaft and the bent pipe through the operation window, and enabling the rotating shaft, the bearing and the rotary joint to be coaxially fixed.
Because when welding pivot and return bend, can make oil filling riser pivot, bearing and rotary joint keep concentric in the installation through the frock casing, can directly weld pivot and return bend through the operation window, and the concatenation of frock casing, dismantlement convenience, can used repeatedly for the installation effectiveness of oil filling riser is higher, is favorable to the batch processing of oil filling riser.
According to the concentric assembling tool and the assembling method for the crane pipe support, the tool shell is formed by splicing at least two tool half shells, the side groove is formed in each tool half shell along the length direction, the side groove is matched with the shape of the crane pipe, so that the side groove can fix and limit the crane pipe when the tool half shells are spliced, the rotating shaft is inserted into the side groove when the rotating shaft and the bent pipe of the crane pipe are welded, the rotating shaft and the bent pipe can be welded and fixed through the operating window due to the fact that the operating window is arranged on one side of the tool shell, and the rotating shaft, the bearing and the rotary joint of the crane pipe can be kept concentric in the installation process under the limiting of the side groove, so that the precision of the crane pipe can be guaranteed; simultaneously, because when welding pivot and return bend, can make oil filling riser pivot, bearing and rotary joint keep concentric in the installation through the frock casing, can directly weld pivot and return bend through the operation window, and the frock casing concatenation, dismantlement convenience can used repeatedly for pivot, bearing and rotary joint's installation effectiveness is higher, is favorable to the batch processing of oil filling riser.
Drawings
The foregoing features, technical features, advantages and embodiments of the present disclosure will be further described in the following detailed description of the preferred embodiments in a clearly understandable manner by referring to the accompanying drawings.
FIG. 1 is a schematic view of an overall vertical cross-sectional structure of an embodiment of the present invention;
FIG. 2 is a schematic left-view structure of an embodiment of the present invention;
fig. 3 is a schematic diagram of a right-view structure of an embodiment of the invention.
Reference numerals: 10-a rotary joint; 11-lower support seat; 20-bending the pipe; 30-a rotating shaft; 40-a tooling housing; 41-a tooling half shell; 42-a screw assembly; 43-side groove; 431-a first groove; 432-a second groove; 433-third groove; 434-elbow holes; 435-spacing ring sheet; 44-an operating window; 50-a bearing; 51-bearing seat.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. Moreover, in the interest of brevity and understanding, only one of the components having the same structure or function is illustrated schematically or designated in some of the drawings. In this document, "one" means not only "only one" but also a case of "more than one".
Example 1
In one embodiment of the present invention, as shown in fig. 1 to 3, a crane pipe supporting concentric assembly tool includes a swivel 10, an elbow 20 and a rotating shaft 30, wherein one end of the elbow 20 is connected to one end of the swivel 10.
The assembly tool comprises a tool shell 40, and the tool shell 40 is formed by splicing at least two tool half shells 41. In this embodiment, two tooling half shells 41 are selected for splicing to form the tooling housing 40, and in other embodiments, a plurality of tooling half shells 41 can also be selected for splicing.
Further, the tooling half shells 41 are connected by screw assemblies 42, and the connection and the removal of the tooling housing 40 can be facilitated by the screw assemblies 42.
Wherein, all be equipped with side groove 43 along length direction on every frock half shell 41, side groove 43 is used for the card to establish the oil filling riser, the shape and the oil filling riser phase-match of side groove 43 for frock casing 40 can be fixed the oil filling riser after the concatenation.
An operation window 44 is disposed on a side wall of the tool housing 40, and the operation window 44 is used to connect one end of the rotating shaft 30 with the elbow 20, in this embodiment, the rotating shaft 30 and the elbow 20 are connected by welding, and in other embodiments, other connection methods may also be used.
The other end of the rotating shaft 30 extends outward along the length direction of the side groove 43 and is connected with a bearing 50, so that the rotating shaft 30, the bearing 50 and the rotary joint 10 are coaxially fixed.
Specifically, a bearing seat 51 is connected to the bearing 50, and the bearing seat 51 is used for fixing the bearing 50.
Because frock casing 40 comprises two at least frock half shells 41 concatenations, and all be equipped with the side channel 43 along length direction on every frock half shell 41, the shape phase-match of side channel 43 and oil filling riser, make frock half shell 41 when the concatenation, the side channel 43 can be fixed and spacing to the oil filling riser, when the pivot 30 and the return bend 20 of welding oil filling riser, insert the pivot 30 in the side channel 43, because one side of frock casing 40 is provided with operation window 44, can be with pivot 30 and return bend 20 welded fastening through operation window 44, and under the spacing of side channel 43, can make oil filling riser pivot 30, bearing 50 and rotary joint 10 keep concentric in the installation, thereby can guarantee the precision of oil filling riser.
Example 2
In one embodiment of the present invention, as shown in fig. 1 to 3, in embodiment 1, the side groove 43 includes a first groove 431, a second groove 432, and a third groove 433 which are connected in this order in the longitudinal direction.
The rotary joint 10 is engaged in the third groove 433, and the other end of the rotary joint 10 opposite to the elbow 20 extends outward in the length direction of the third groove 433.
Specifically, the bottom end of the rotary joint 10 is connected to a lower support seat 11, the lower support seat 11 is used for supporting the rotary joint 10, and the lower support seat 11 may be welded before the rotating shaft 30 and the elbow 20 are welded, or may be welded after the rotating shaft 30 and the elbow 20 are welded.
Further, the side wall of the second groove 432 is provided with a bent pipe hole 434 therethrough, and the other end of the bent pipe 20 opposite to the rotary joint 10 is protruded out of the bent pipe hole 434.
In this embodiment, the elbow pipe 20 can be fixed by providing the elbow pipe hole 434 so that the other end of the elbow pipe 20 opposite to the rotary joint 10 can extend out of the elbow pipe hole 434, and in other embodiments, the tooling housing 40 and the side groove 43 can be enlarged so that the whole elbow pipe 20 is completely placed in the side groove 43.
Example 3
In an embodiment of the present invention, as shown in fig. 1 to 3, in embodiment 2, the diameter of the first groove 431 is equivalent to that of the rotating shaft 30, so that the rotating shaft 30 is fixed when being inserted into the first groove 431, thereby ensuring that the rotating shaft 30 is not movable when being welded with the elbow 20, and ensuring that the rotating shaft 30 is concentric with the rotary joint 10.
Furthermore, a limit ring plate 435 is arranged between the second groove 432 and the third groove 433, and the limit ring plate 435 is used for limiting the rotary joint 10; or the diameter of the third groove 433 is greater than that of the second groove 432, so that when the rotary joint 10 is fixed through the tool housing 10, the rotary joint 10 can be limited and positioned.
Example 4
On the basis of any one of the above embodiments, the present invention further provides an assembling method for the loading arm support concentric assembling tool, including the steps of:
s1, fixedly connecting one end of the elbow 20 with one end of the rotary joint 10, and connecting one end of the rotating shaft 30 with the bearing 50.
And S2, fixing the rotary joint 10 and the elbow pipe 20 through the side groove 43 of the tooling shell 40.
S3, the shaft 30 is inserted from the side groove 43, and the other end of the shaft 30 and the elbow 20 are fixed through the operation window 44, so that the shaft 30, the bearing 50, and the rotary joint 10 are coaxially fixed.
Because when welding pivot 30 and return bend 20, can make oil filling riser pivot 30, bearing 50 and rotary joint 10 keep concentric in the installation through frock casing 10, can directly weld pivot 30 and return bend 20 through operation window 43, and the concatenation of frock casing 40, dismantle conveniently, can used repeatedly for the connection efficiency of oil filling riser is higher, is favorable to the batch processing of oil filling riser.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a concentric assembly fixture is supported to oil filling riser, the oil filling riser includes rotary joint, return bend and pivot, the one end of return bend with rotary joint's one end is connected, its characterized in that includes:
the tool shell is formed by splicing at least two tool half shells;
each tooling half shell is provided with a side groove along the length direction, and the side grooves are used for clamping the loading arm;
an operation window is arranged on the side wall of one side of the tool shell and used for connecting one end of the rotating shaft with the bent pipe,
the other end of the rotating shaft extends outwards along the length direction of the side groove and is connected with a bearing, and the rotating joint, the rotating shaft and the bearing are concentric in the installation process under the limit of the side groove, so that the rotating shaft, the bearing and the rotating joint are coaxially fixed;
the side grooves comprise a first groove, a second groove and a third groove which are sequentially connected along the length direction;
the rotary joint is clamped in the third groove, and the other end of the rotary joint, which is opposite to the bent pipe, extends outwards along the length direction of the third groove; a through elbow hole is formed in the side wall of the second groove, and the other end, opposite to the rotary joint, of the elbow extends out of the elbow hole; the diameter of the first groove is equivalent to that of the rotating shaft, so that the rotating shaft is fixed when being inserted into the first groove; and a limiting ring piece is arranged between the second groove and the third groove and used for limiting the rotary joint.
2. The loading arm supporting concentric assembling tool according to claim 1, characterized in that: the diameter of the third groove is larger than the diameter of the second groove.
3. The loading arm supporting concentric assembling tool according to claim 1 or 2, characterized in that: the tool half shells are connected through screw assemblies.
4. The loading arm supporting concentric assembling tool according to claim 1 or 2, characterized in that: the bottom end of the rotary joint is connected with a lower supporting seat.
5. The loading arm supporting concentric assembling tool according to claim 1 or 2, characterized in that: the bearing is connected with a bearing seat.
6. An assembling method for the crane pipe support concentric assembling tool according to any one of claims 1-5, characterized by comprising the following steps:
s1, fixedly connecting one end of the bent pipe with one end of the rotary joint, and connecting one end of the rotating shaft with the bearing;
s2, fixing the rotary joint and the bent pipe through the side groove of the tool shell;
s3, inserting the rotating shaft from the side groove, fixing the other end of the rotating shaft and the bent pipe through the operation window, and enabling the rotating shaft, the bearing and the rotary joint to be coaxially fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409186.5A CN111015064B (en) | 2019-12-31 | 2019-12-31 | Crane tube support concentric assembly tool and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409186.5A CN111015064B (en) | 2019-12-31 | 2019-12-31 | Crane tube support concentric assembly tool and assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111015064A CN111015064A (en) | 2020-04-17 |
| CN111015064B true CN111015064B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911409186.5A Active CN111015064B (en) | 2019-12-31 | 2019-12-31 | Crane tube support concentric assembly tool and assembly method |
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| CN208916808U (en) * | 2018-09-25 | 2019-05-31 | 连云港同晖石化设备制造有限公司 | A kind of land fluid assembly and disassembly vehicle oil filling riser |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090046615A (en) * | 2007-11-06 | 2009-05-11 | 박광섭 | A jig set for cutting the edge of a elbow pipe |
| CN202461878U (en) * | 2012-02-17 | 2012-10-03 | 广州市白云泵业集团有限公司 | Welding tool for elbow of axial flow pump |
| CN205237374U (en) * | 2015-11-10 | 2016-05-18 | 苏州天沃科技股份有限公司 | Location frock is used with elbow assembly welding to blast tube in venturi scrubber equipment |
| CN206509684U (en) * | 2017-03-01 | 2017-09-22 | 鞍山市昱虎流体设备有限公司 | A kind of welder of 45 ° of bend pipes and swivel joint |
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| Publication number | Publication date |
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| CN111015064A (en) | 2020-04-17 |
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