CN102003440A - Circular tube connection structure and special assembling and disassembling tool thereof - Google Patents
Circular tube connection structure and special assembling and disassembling tool thereof Download PDFInfo
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- CN102003440A CN102003440A CN 201010528794 CN201010528794A CN102003440A CN 102003440 A CN102003440 A CN 102003440A CN 201010528794 CN201010528794 CN 201010528794 CN 201010528794 A CN201010528794 A CN 201010528794A CN 102003440 A CN102003440 A CN 102003440A
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Abstract
The invention discloses a circular tube connection structure and a special assembling and disassembling tool thereof. The circular tube connection structure comprises a first circular tube and a second circular tube; the first circular tube is provided with an inner ring groove on which fan-shaped windows are evenly distributed; a step circular ring of the second circular tube is provided with an outer ring groove; a wedge groove is formed in the space surrounded by the inner ring groove and the outer ring groove; the wedge groove is internally provided with a wedge assembly which is formed by sequentially combining first, second and third wedges; respective wedges are provided with positioning flanges corresponding to one side of the fan-shaped window; and an assembling and disassembling groove is arranged on the outer side of the positioning flange on the second wedge. In order to satisfy the assembling and disassembling requirement under different working conditions, the assembling and disassembling tool is formed by a bidirectional press mounting tool, a bidirectional stretch assembling and disassembling tool and a one-way stretch disassembling tool. The circular tube connection structure can meet the connection requirements for high intensity and high precision between the circular tubes and is very convenient to assemble and disassemble by matching with the special assembling and disassembling tool.
Description
Technical field
The present invention relates to the linkage structure between the parts, refer to a kind of circular tube connection structure and special handling tool thereof particularly.
Background technique
Along with continuous progress in science and technology, many products begin to carry out high strength between pipe, high-precision connection, also require beautiful shape simultaneously and can adorn good unloading.At present, Placement mainly contains scyewed joint, bolt connection, half slide structure connection, interference connection, welding, riveted joint and bonding etc. between pipe.Scyewed joint can reach different join strengths with the pitch ratio by selecting the different diameters of thread, axially finely tunes more conveniently, but the Location accuracy that rotates in a circumferential direction is uncontrollable.Bolt fastening structure is simple, mounting or dismounting are convenient, be widely used, but the tapped hole on the link damages easily, and aesthetic appearance is bad.The half slide structure join strength is better, but the less demanding occasion of generally only suitable aesthetic appearance.Interference connect to divide the direct plunging of normal temperature, temperature difference plunging and three kinds of modes of fluid power plunging, and wherein simple the but fitting surface of the direct plunging technology of normal temperature easily abrades, and has weakened the tightness that connects; Temperature difference plunging and fluid power plunging complex technical process are loaded and unloaded difficulty in addition.The advantage of riveted joint and welding connecting mode is that assembly process process is good, and intensity is better, and its shortcoming is that detachability is poor, and aesthetic appearance is bad.The stressing conditions of bonding connection is better, but glue-line is wayward, and two components accuracy of alignments are not high, and detachability is relatively poor.
This shows, more than these linkage structures can't satisfy high strength between pipe, highi degree of accuracy fully, outward appearance is good and the well requirement of loading and unloading property.
Summary of the invention
Purpose of the present invention will overcome between existing pipe existing deficiency in the linkage structure exactly, provides a kind of and can satisfy high strength between pipe, highi degree of accuracy, outward appearance is good and circular tube connection structure well loading and unloading property requirement and special handling tool thereof.
For achieving the above object, the circular tube connection structure that the present invention is designed, comprise needs butt joint all-in-one-piece first pipe and second pipe, the butt end inwall of described first pipe is provided with inner groove, is evenly equipped with a plurality of fan-shaped windows that are communicated to the first pipe outer surface on the described inner groove.The butt end of described second pipe is provided with the stepped ring forging in the butt end that can be inserted into first pipe, and the outer wall of described stepped ring forging is provided with and the corresponding outer groove of inner groove, and the space that described inner groove and outer groove enclose structure forms wedge groove.Be provided with the voussoir assembly that inserts from fan-shaped window both sides in the described wedge groove, described voussoir assembly is formed by first voussoir, second voussoir and the 3rd wedge combinations successively, the surface of contact of described first voussoir and second voussoir is the inclined-plane that matches, the surface of contact of described second voussoir and the 3rd voussoir is the plane, be respectively arranged with on described first voussoir, second voussoir and the 3rd voussoir and the corresponding locating flange of fan-shaped window one side, the locating flange arranged outside on described second voussoir has loading and unloading hook groove.
Preferably, described fan-shaped window is provided with cover plate, the described cover plate outside is the arc surface body that is complementary with fan-shaped window, the inboard of described cover plate is to leave the step body of voussoir assembly by bit space, the middle part of described cover plate is provided with cover screw, and described cover screw is fixed in the tapped hole on second pipe.Described step body can be assisted spacing to second voussoir of voussoir assembly simultaneously.
Preferably, the arc surface radius unanimity of the outer arc face of described first voussoir, second voussoir and the 3rd voussoir, inner arc face consistent and outer groove with the arc surface radius of inner groove.Like this, the voussoir assembly can embed inner groove and outer groove encloses in the wedge groove of formation identically.
Preferably, described first pipe is provided with the step alignment pin of radially extending with the end of docking of second pipe, microcephaly's section of described step alignment pin is inserted in the little positioning hole on the stepped ring forging, and the major part section of described step alignment pin is inserted in by the second semicircle positioning hole on first semicircle positioning hole on first pipe butt joint end face and second pipe butt joint end face encloses in the big positioning hole that constitutes.The step alignment pin is arranged on the end of docking of first pipe and second pipe, can effectively limit the relative position that two pipes rotate in a circumferential direction.
Preferably, be evenly equipped with three fan-shaped windows that are communicated to the first pipe outer surface on the described inner groove.During assembling, six cover voussoir assemblies are embedded in the wedge groove on both sides by three fan-shaped windows, can make linkage structure simple, stable, reliable.
The present invention realizes effective loading and unloading of circular tube connection structure by a cover special handling tool.For satisfying the loading and unloading needs under the different operating modes, designed special handling tool is divided into two-way three kinds of setting tool, biaxial tension extracting tool and the simple tension extracting tools that compress.
The designed two-way setting tool that compresses that is exclusively used in circular tube connection structure of the present invention comprises double end nut, left handed screw, right handed screw, by a pair of tong arm that bearing pin is articulated and connected, and also comprises a pair of bending embedded piece.Described a pair of bending embedded piece is pegged graft with the loading and unloading hook groove of second voussoir of fan-shaped window both sides when mounted and is cooperated, and is used to stir second voussoir.Described left handed screw and right handed screw are threaded in the two ends of double end nut respectively, and the tail end of described a pair of tong arm is movably connected in respectively on left handed screw and the right handed screw.Two of described a pair of tong arm jaws are pegged graft with the loading and unloading hook groove of second voussoir of fan-shaped window both sides and are cooperated when mounted, are used to compress second voussoir of both sides.
The designed biaxial tension extracting tool that is exclusively used in circular tube connection structure of the present invention, comprise double end nut, left handed screw, right handed screw and a pair of tong arm that is articulated and connected by bearing pin, described left handed screw and right handed screw are threaded in the two ends of double end nut respectively, and the tail end of described a pair of tong arm is movably connected in respectively on left handed screw and the right handed screw.Two jaws of described a pair of tong arm are pegged graft with the loading and unloading hook groove of second voussoir of fan-shaped window both sides and are cooperated when dismounting, are used to pull out second voussoir of both sides.
The designed simple tension extracting tool that is exclusively used in circular tube connection structure of the present invention comprises double end nut, left handed screw, right handed screw, by a pair of tong arm that bearing pin is articulated and connected, and comprises that also arc master positioning plate and arc assist positioning plate.The auxilliary positioning plate of described arc master positioning plate and arc passes through the bolt fastener lock ring on the outer wall of the butt end of first pipe when dismounting.Described left handed screw and right handed screw are threaded in the two ends of double end nut respectively, and the tail end of described a pair of tong arm is movably connected in respectively on left handed screw and the right handed screw.When dismounting described a pair of tong arm a jaw peg graft with the loading and unloading hook groove of second voussoir of fan-shaped window one side cooperate, another jaw cooperates with location hook groove grafting on the arc master positioning plate, is used to pull out the second one-sided voussoir.
Beneficial effect of the present invention: adopt said structure, can satisfy the connection request between high strength, highi degree of accuracy, outward appearance dollar pipe, behind the handling instrument of cooperation special use, load and unload very convenient.The present invention has good extendable functions, and the high strength that can be applied between the different-diameter pipe connects, and is convenient to carry out expansion design.According to different matching requirements, can adjust installation precision arbitrarily simultaneously.
Description of drawings
Fig. 1 is the sectional structure schematic representation of circular tube connection structure of the present invention.
Fig. 2 is the A-A sectional structure schematic representation among Fig. 1.
Fig. 3 is the sectional structure schematic representation of first pipe among Fig. 1.
Fig. 4 is the B-B sectional structure schematic representation among Fig. 3.
Fig. 5 is the sectional structure schematic representation of second pipe among Fig. 1.
Fig. 6 is the perspective view of voussoir assembly among Fig. 2.
Fig. 7 analyses and observe the structure for amplifying schematic representation for Fig. 2 cover plate.
Fig. 8 is the two-way structural representation that compresses setting tool of above-mentioned circular tube connection structure.
Fig. 9 is the structural representation of the biaxial tension extracting tool of above-mentioned circular tube connection structure.
Figure 10 is the structural representation of the simple tension extracting tool of above-mentioned circular tube connection structure.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Circular tube connection structure shown in Fig. 1～6 comprises needs butt joint all-in-one-piece first pipe 1 and second pipe 2.The butt end inwall of first pipe 1 is provided with inner groove 3, is evenly equipped with three fan-shaped windows 4 that are communicated to first pipe, 1 outer surface on the inner groove 3.The butt end of second pipe 2 is provided with the stepped ring forging 6 in the butt end that can be inserted into first pipe 1, and the outer wall of stepped ring forging 6 is provided with and inner groove 3 corresponding outer grooves 8, and the space that inner groove 3 and outer groove 8 enclose structure forms wedge groove 14.Be provided with the voussoir assembly 10 that inserts from fan-shaped window 4 both sides in the wedge groove 14, voussoir assembly 10 is combined by first voussoir 10.1, second voussoir 10.2 and the 3rd voussoir 10.3 successively, the surface of contact of first voussoir 10.1 and second voussoir 10.2 is the inclined-plane that matches, the surface of contact of second voussoir 10.2 and the 3rd voussoir 10.3 is the plane, be respectively arranged with on first voussoir 10.1, second voussoir 10.2 and the 3rd voussoir 10.3 with corresponding locating flange 10.5, the second voussoirs 10.2 of fanlight 4 one sides on locating flange 10.5 arranged outside loading and unloading hook groove 10.4 is arranged.The outer arc face of first voussoir 10.1, second voussoir 10.2 and the 3rd voussoir 10.3 is consistent with the arc surface radius of inner groove 3, the arc surface radius unanimity of inner arc face and outer groove 8.First pipe 1 is provided with the step alignment pin 9 of radially extending with the end of docking of second pipe 2, microcephaly's section of step alignment pin 9 is inserted in the little positioning hole 15 on the stepped ring forging 6, and the major part section of step alignment pin 9 is inserted in by the second semicircle positioning hole 7 on first semicircle positioning hole 5 on first pipe, the 1 butt joint end face and second pipe, the 2 butt joint end faces encloses in the big positioning hole that constitutes.
The two-way setting tool that compresses that is exclusively used in circular tube connection structure shown in Figure 8 comprises double end nut 24, left handed screw 16, right handed screw 17, by a pair of tong arm 18 that bearing pin 19 is articulated and connected, and also comprises a pair of bending embedded piece 20.A pair of bending embedded piece 20 is pegged graft with the loading and unloading hook groove 10.4 of second voussoir 10.2 of fan-shaped window 4 both sides when mounted and is cooperated, and is used to stir second voussoir 10.2.Left handed screw 16 and right handed screw 17 are threaded in the two ends of double end nut 24 respectively, and the tail end of a pair of tong arm 18 is movably connected in respectively on left handed screw 16 and the right handed screw 17.Two jaws of a pair of when mounted tong arm 18 are pegged graft with the loading and unloading hook groove 10.4 of second voussoir 10.2 of fan-shaped window 4 both sides and are cooperated, and are used to compress second voussoir 10.2 of both sides.
The biaxial tension extracting tool that is exclusively used in circular tube connection structure shown in Figure 9, comprise double end nut 24, left handed screw 16, right handed screw 17 and a pair of tong arm 18 that is articulated and connected by bearing pin 19, left handed screw 16 and right handed screw 17 are threaded in the two ends of double end nut 24 respectively, and the tail end of a pair of tong arm 18 is movably connected in respectively on left handed screw 16 and the right handed screw 17.Two jaws of a pair of tong arm 18 are pegged graft with the loading and unloading hook groove 10.4 of second voussoir 10.2 of fan-shaped window 4 both sides and are cooperated when dismounting, are used to pull out second voussoir 10.2 of both sides.
The simple tension extracting tool that is exclusively used in circular tube connection structure shown in Figure 10 comprises double end nut 24, left handed screw 16, right handed screw 17, by a pair of tong arm 18 that bearing pin 19 is articulated and connected, and comprises that also arc master positioning plate 21 and arc assist positioning plate 22.The auxilliary positioning plate 22 of arc master positioning plate 21 and arc passes through bolt fastener 23 lock rings on the butt end outer wall of first pipe 1 when dismounting.Left handed screw 16 and right handed screw 17 are threaded in the two ends of double end nut 24 respectively, and the tail end of a pair of tong arm 18 is movably connected in respectively on left handed screw 16 and the right handed screw 17.When dismounting a pair of tong arm 18 a jaw peg graft with the loading and unloading hook groove 10.4 of second voussoir 10.2 of fan-shaped window 4 one sides cooperate, another jaw cooperates with location hook groove 21.1 grafting on the arc master positioning plate 21, is used to pull out the second one-sided voussoir 10.2.
The cargo handling process of circular tube connection structure of the present invention is as follows:
During installation: earlier microcephaly's section of step alignment pin 9 is inserted in the little positioning hole 15 on the stepped ring forging 6, the major part section of step alignment pin 9 is inserted in by the second semicircle positioning hole 7 on first semicircle positioning hole 5 on first pipe, the 1 butt joint end face and second pipe, the 2 butt joint end faces encloses in the big positioning hole that constitutes, and limits rotating in a circumferential direction of first pipe 1 and second pipe 2; Insert voussoir assembly 10 from the both sides of each fan-shaped window 4, pack into earlier first voussoir 10.1 and the 3rd voussoir 10.3 on both sides, according to the requirement of assembling magnitude of interference, select second voussoir 10.2 of different-thickness, bending embedded piece 20 is inserted in the loading and unloading hook groove 10.4 of second voussoir 10.2, stirring second voussoir 10.2 is inserted between first voussoir 10.1 and the 3rd voussoir 10.3, dial when motionless, with above-mentioned two-way compressing between second voussoir 10.2 that setting tool places fan-shaped window 4 both sides, make two jaws of a pair of tong arm 18 prop up second voussoir 10.2 of both sides, rotate double end nut 24, driving a pair of tong arm 18 untie-sell axle 19 that rotates by left-handed bolt 16 and dextrorotation bolt 17 rotates, thereby make two jaws push second voussoir 10.2, until first voussoir 10.1 to both sides, locating flange 10.5 on second voussoir 10.2 and the 3rd voussoir 10.3 all is positioned fan-shaped window 4 edges of homonymy.Then cover plate 11 is contained on the fan-shaped window 4, and is fixedly connected on second pipe 2 by cover screw 12.
During dismounting: earlier cover plate 11 is pulled down, then above-mentioned biaxial tension extracting tool is placed between second voussoir 10.2 of fan-shaped window 4 both sides, two jaws of a pair of tong arm 18 are inserted in the loading and unloading hook groove 10.4 of second voussoir 10.2, rotate double end nut 24, driving the tong arms 18 untie-sell axle 19 that rotates by left-handed bolt 16 and dextrorotation bolt 17 then rotates, thereby jaw is extracted out second voussoir 10.2 of both sides from wedge groove 14, and then reached the dismounting purpose.
When two-way dismounting is firmly uneven, may cause 10 of the voussoir assemblies of each fan-shaped window 4 both sides to pull out one group, need to use above-mentioned simple tension extracting tool this moment.At first bolt fastener 23 is assisted positioning plate 22 lock rings on the butt end outer wall of first pipe 1 with arc master positioning plate 21 and arc, a jaw of a pair of tong arm 18 is inserted in the loading and unloading hook groove 10.4 of second voussoir 10.2 of not pulling out, another jaw is inserted in the location hook groove 21.1 on the arc master positioning plate 21, rotate double end nut 24 then, driving the tong arms 18 untie-sell axle 19 that rotates by left-handed bolt 16 and dextrorotation bolt 17 rotates, thereby second voussoir 10.2 of another group is extracted out from wedge groove 14, reached the purpose of unidirectional dismounting.
Claims (10)
1. circular tube connection structure, comprise needs butt joint all-in-one-piece first pipe (1) and second pipe (2), it is characterized in that: the butt end inwall of described first pipe (1) is provided with inner groove (3), is evenly equipped with a plurality of fan-shaped windows (4) that are communicated to first pipe (1) outer surface on the described inner groove (3); The butt end of described second pipe (2) is provided with the stepped ring forging (6) in the butt end that can be inserted into first pipe (1), the outer wall of described stepped ring forging (6) is provided with and the corresponding outer groove of inner groove (3) (8), and the space that described inner groove (3) and outer groove (8) enclose structure forms wedge groove (14); Be provided with the voussoir assembly (10) that inserts from fan-shaped window (4) both sides in the described wedge groove (14), described voussoir assembly (10) is successively by first voussoir (10.1), second voussoir (10.2) and the 3rd voussoir (10.3) combine, described first voussoir (10.1) is the inclined-plane that matches with the surface of contact of second voussoir (10.2), described second voussoir (10.2) is the plane with the surface of contact of the 3rd voussoir (10.3), described first voussoir (10.1), be respectively arranged with and the fan-shaped window corresponding locating flanges of (4) one sides (10.5) on second voussoir (10.2) and the 3rd voussoir (10.3), locating flange (10.5) arranged outside on described second voussoir (10.2) has loading and unloading hook groove (10.4).
2. circular tube connection structure according to claim 1, it is characterized in that: described fan-shaped window (4) is provided with cover plate (11), described cover plate (11) outside is the arc surface body (11.1) that is complementary with fan-shaped window (4), the inboard of described cover plate (11) allows the step body (11.2) of bit space for leaving voussoir assembly (10), the middle part of described cover plate (11) is provided with cover screw (12), and described cover screw (12) is fixed in the tapped hole (13) on second pipe (2).
3. circular tube connection structure according to claim 1 and 2 is characterized in that: the outer arc face of described first voussoir (10.1), second voussoir (10.2) and the 3rd voussoir (10.3) is consistent with the arc surface radius of inner groove (3), the arc surface radius unanimity of inner arc face and outer groove (8).
4. circular tube connection structure according to claim 1 and 2, it is characterized in that: described first pipe (1) is provided with the step alignment pin (9) of radially extending with the end of docking of second pipe (2), microcephaly's section of described step alignment pin (9) is inserted in the little positioning hole (15) on the stepped ring forging (6), and the major part section of described step alignment pin (9) is inserted in the second semicircle positioning hole (7) that is docked on the end face by first semicircle positioning hole (5) on first pipe (1) the butt joint end face and second pipe (2) and encloses in the big positioning hole of formation.
5. circular tube connection structure according to claim 3, it is characterized in that: described first pipe (1) is provided with the step alignment pin (9) of radially extending with the end of docking of second pipe (2), microcephaly's section of described step alignment pin (9) is inserted in the little positioning hole (15) on the stepped ring forging (6), and the major part section of described step alignment pin (9) is inserted in the second semicircle positioning hole (7) that is docked on the end face by first semicircle positioning hole (5) on first pipe (1) the butt joint end face and second pipe (2) and encloses in the big positioning hole of formation.
6. circular tube connection structure according to claim 1 and 2 is characterized in that: be evenly equipped with three fan-shaped windows (4) that are communicated to first pipe (1) outer surface on the described inner groove (3).
7. circular tube connection structure according to claim 3 is characterized in that: be evenly equipped with three fan-shaped windows (4) that are communicated to first pipe (1) outer surface on the described inner groove (3).
8. two-way setting tool that compresses that is exclusively used in the described circular tube connection structure of claim 1, comprise double end nut (24), left handed screw (16), right handed screw (17) and a pair of tong arm (18) that is articulated and connected by bearing pin (19), it is characterized in that: it also comprises a pair of bending embedded piece (20), described a pair of bending embedded piece (20) is pegged graft with the loading and unloading hook groove (10.4) of second voussoir (10.2) of fan-shaped window (4) both sides when mounted and is cooperated, and is used to stir second voussoir (10.2); Described left handed screw (16) and right handed screw (17) are threaded in the two ends of double end nut (24) respectively, and the tail end of described a pair of tong arm (18) is movably connected in respectively on left handed screw (16) and the right handed screw (17); Two jaws of described when mounted a pair of tong arm (18) are pegged graft with the loading and unloading hook groove (10.4) of second voussoir (10.2) of fan-shaped window (4) both sides and are cooperated, and are used to compress second voussoir (10.2) of both sides.
9. biaxial tension extracting tool that is exclusively used in the described circular tube connection structure of claim 1, comprise double end nut (24), left handed screw (16), right handed screw (17) and a pair of tong arm (18) that is articulated and connected by bearing pin (19), it is characterized in that: described left handed screw (16) and right handed screw (17) are threaded in the two ends of double end nut (24) respectively, and the tail end of described a pair of tong arm (18) is movably connected in respectively on left handed screw (16) and the right handed screw (17); Two jaws of described a pair of tong arm (18) are pegged graft with the loading and unloading hook groove (10.4) of second voussoir (10.2) of fan-shaped window (4) both sides and are cooperated when dismounting, are used to pull out second voussoir (10.2) of both sides.
10. simple tension extracting tool that is exclusively used in the described circular tube connection structure of claim 1, comprise double end nut (24), left handed screw (16), right handed screw (17) and a pair of tong arm (18) that is articulated and connected by bearing pin (19), it is characterized in that: it also comprises arc master positioning plate (21) and the auxilliary positioning plate (22) of arc, and the auxilliary positioning plate (22) of described arc master positioning plate (21) and arc passes through bolt fastener (23) lock ring on the butt end outer wall of first pipe (1) when dismounting; Described left handed screw (16) and right handed screw (17) are threaded in the two ends of double end nut (24) respectively, and the tail end of described a pair of tong arm (18) is movably connected in respectively on left handed screw (16) and the right handed screw (17); Peg graft with the loading and unloading hook groove (10.4) of second voussoir (10.2) of fan-shaped window (4) one sides at a jaw of described a pair of tong arm of when dismounting (18) cooperate, another jaw cooperates with location hook groove (21.1) grafting on the arc master positioning plate (21), is used to pull out one-sided second voussoir (10.2).
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| CN2010105287940A CN102003440B (en) | 2010-11-02 | 2010-11-02 | Circular tube connection structure and special assembling and disassembling tool thereof |
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| CN2010105287940A CN102003440B (en) | 2010-11-02 | 2010-11-02 | Circular tube connection structure and special assembling and disassembling tool thereof |
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| CN102003440A true CN102003440A (en) | 2011-04-06 |
| CN102003440B CN102003440B (en) | 2012-02-08 |
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| CN102909692A (en) * | 2012-11-21 | 2013-02-06 | 南车戚墅堰机车有限公司 | Bolt dismounting device |
| CN103688046A (en) * | 2011-06-20 | 2014-03-26 | 德尔福技术控股有限公司 | Assembly for an electrically operated valve |
| CN108642806A (en) * | 2018-04-17 | 2018-10-12 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine observation window cushion and washing machine |
| CN110259780A (en) * | 2019-06-28 | 2019-09-20 | 博飏(上海)能源科技有限公司 | Connection structure and its construction method between tubular element |
| CN111185740A (en) * | 2020-01-21 | 2020-05-22 | 西安近代化学研究所 | Wedge ring disassembling tool and using method thereof |
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| CN112518658A (en) * | 2019-09-17 | 2021-03-19 | 中国航发商用航空发动机有限责任公司 | Lock ring compresses tightly frock |
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