CN111998137A - Fixed-interval-adjustable duplex hoop for external system of aircraft engine - Google Patents
Fixed-interval-adjustable duplex hoop for external system of aircraft engine Download PDFInfo
- Publication number
- CN111998137A CN111998137A CN202011177841.1A CN202011177841A CN111998137A CN 111998137 A CN111998137 A CN 111998137A CN 202011177841 A CN202011177841 A CN 202011177841A CN 111998137 A CN111998137 A CN 111998137A
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- CN
- China
- Prior art keywords
- clamp
- split body
- tooth
- hoop
- stopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/237—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for two pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1033—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, the two members being joined only on one side of the pipe
- F16L3/1041—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, the two members being joined only on one side of the pipe and being adapted to accommodate pipes of various diameters
Abstract
The invention relates to the technical field of aero-engines, in particular to a fixed-interval adjustable duplex hoop for an aero-engine external system, wherein an upper half hoop and a lower half hoop are respectively divided into two parts, and each part comprises an adjusting part with teeth on the inner side and an arc-shaped hoop; stopper and tooth regulating block are the platelike of central trompil, have the curved edge of buckling downwards around the stopper, and the tooth regulating block goes up and down the facing (operation) and goes out many fore-and-aft direction's dentate groove, and the screw rod is from last to passing the stopper on upper portion, the space between two regulating parts, tooth regulating block, the space between two other regulating parts and the stopper of lower part down in proper order after with the cooperation of auto-lock nut and screw up. The invention can adjust the relative positions of the teeth of the upper half hoop and the lower half hoop and the tooth adjusting blocks according to the different conduit intervals, thereby realizing the fixed interval adjusting function of the duplex hoop. In addition, increase the stopper on the clamp outside, guarantee the fastening strength requirement of clamp.
Description
Technical Field
The invention relates to the technical field of aero-engines, in particular to a fixed-interval adjustable duplex hoop for an aero-engine external system.
Background
The aircraft engine external system pipe is fixed by a large amount of pair clamps, and current pair clamp subassembly structure is shown in figure 1, comprises screw 1, first clamp 2 and second clamp 3, and first clamp 1 is the unthreaded hole, and second clamp 2 has welded swivel nut 5, for preventing to produce wearing and tearing with the pipeline cooperation, first clamp 2 and second clamp 3 all spot welding metal felt 4, and the fixing of accomplishing the pipe is connected first clamp 2 and second clamp 3 by screw 1. This clamp structure has certain drawback, because the unable regulation of clamp fixed spacing can only fix two pipes of given interval, if the interval of two pipes than the given value grow or diminish, when using conventional pair clamp to fix, the pipe assembly can produce stress, influences the fail safe nature of pipe work.
Disclosure of Invention
In order to solve the technical problem, the invention provides a fixed-interval adjustable duplex hoop for an external system of an aircraft engine, which can be adjusted according to different intervals of two guide pipes, so that the guide pipes are fixed, and the assembly stress of the guide pipes is reduced.
The specific technical scheme is as follows:
a fixed-interval adjustable duplex clamp for an external system of an aircraft engine is used for fixing a guide pipe and comprises an upper half clamp and a lower half clamp, wherein the upper half clamp and the lower half clamp are respectively divided into two parts, namely a clamp split body A, a clamp split body B, a clamp split body C and a clamp split body D; the clamp split body A, the clamp split body B, the clamp split body C and the clamp split body D respectively comprise an adjusting part with teeth on the inner side and an arc-shaped clamp, and the width of the adjusting part is smaller than that of the arc-shaped clamp; the tooth adjusting block is in a plate shape with a hole in the center, the front and the back of the tooth adjusting block are provided with bent edges bent downwards, the upper surface and the lower surface of the tooth adjusting block are provided with a plurality of front and back tooth-shaped grooves, and the tooth-shaped grooves can be matched with the tooth in the opening depth and the opening angle; still include bolt and self-locking nut, the space between two regulating parts of clamp components of a whole that can function independently A and clamp components of a whole that can function independently B equals the external diameter of bolt, the space between two regulating parts of clamp components of a whole that can function independently C and clamp components of a whole that can function independently D, stopper center trompil and tooth regulating block center trompil all equal the external diameter of bolt, the screw rod is from last to passing the stopper center trompil on upper portion down in proper order, the space between two regulating parts of clamp components of a whole that can function independently A and clamp components of a whole that can function independently B, tooth regulating block center trompil, space between two regulating parts of clamp components of a.
The height of the bent edge is 2/3 of the thickness of the adjusting part.
The interval between two bent edges of stopper equals the length of tooth regulating block fore-and-aft direction, and is greater than the width of arc clamp.
The arc of arc clamp corresponds the central angle 135 of the circle that is located.
The metal felt is evenly spot-welded on the inner side of the arc-shaped clamp of the clamp split body A, the clamp split body B, the clamp split body C and the clamp split body D.
The clamp split body B and the clamp split body C are respectively fixed with the clamp split body A and the clamp split body D to form a guide pipe, and the diameters of the two guide pipes are the same or different.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention adds a tooth regulating block for regulation between the upper half hoop and the lower half hoop, the two split bodies of the upper half hoop and the lower half hoop can be relatively dispersed or gathered along the tooth socket of the tooth regulating block, and the distance between two fixed conduits at two ends can be regulated by regulating the relative positions of the teeth of the upper half hoop and the lower half hoop and the tooth regulating block. For the fastening intensity requirement of guaranteeing the clamp, respectively increase a stopper in the clamp outside (downside on), pass stopper and tooth regulating block by bolt and self-locking nut and screw up and fix first clamp and second clamp, in the assembling process, according to different pipe intervals, the accessible is adjusted the relative position of the tooth of first clamp and second clamp two parts separately and tooth regulating block to the adjustable function that realizes the pair clamp satisfies the pipe assembly demand. In addition, increase the stopper on the clamp outside, guarantee the fastening strength requirement of clamp.
The invention can be adjusted according to different distances between two guide pipes, realizes the fixation of the guide pipes, reduces the assembly stress of the guide pipes, can completely meet the functions of the fixation and the stress-free assembly of the two guide pipes with different distances between the external system of the aeroengine by performing virtual assembly through the model, can be applied to the guide pipes of the external system of the aeroengine, and has wide market prospect.
Drawings
Fig. 1 is a schematic structural view of a conventional duplex clip assembly.
FIG. 2 is a schematic view of the components of the adjustable spacing duplex clip of the present invention.
FIG. 3 is a front view of a limiting block of the spacing adjustable duplex clamp of the present invention.
Fig. 4 is a top view of a limiting block of the spacing adjustable duplex clamp according to the invention.
FIG. 5 is a left side view of a limiting block of the spacing adjustable duplex clamp of the present invention.
FIG. 6 is a front view of a clamp split A of the space adjustable duplex clamp of the present invention.
FIG. 7 is a top view of a yoke split A of the adjustable spacing duplex yoke of the present invention.
FIG. 8 is a front view of a tooth adjustment block of the spacing adjustable duplex yoke of the present invention.
FIG. 9 is a top view of a tooth adjustment block of the adjustable spacing duplex yoke of the present invention.
FIG. 10 is a left side view of a tooth adjustment block of the adjustable spacing duplex yoke of the present invention.
FIG. 11 is an assembled front view of the adjustable spacing duplex clip of the present invention.
FIG. 12 is a top view of an assembly of the adjustable spacing duplex clip of the present invention.
FIG. 13 is a front view of the adjustable spacing duplex clamp of the present invention in a small spacing configuration.
FIG. 14 is a top view of the adjustable spacing duplex clip of the present invention in a closely spaced condition.
FIG. 15 is a front view of the large spacing arrangement of the adjustable spacing duplex clip of the present invention.
Fig. 16 is a top plan view of the large spacing condition of the adjustable spacing duplex clip of the present invention.
In the drawings, 1-screw; 2, an upper half hoop; 3, a lower half hoop; 4-metal felt; 5, thread sleeve; 6, a clamp split A; 7-clamp split B; 8, a clamp split body C; 9-clamp split D; 10-teeth; 11-a tooth adjusting block; 12-a limiting block; 13-bolt; 14-self-locking nut; 15-metal felt; 16-a conduit.
Detailed Description
The invention is described in detail below with reference to the drawings, but the scope of the invention is not limited by the drawings.
The invention relates to a fixed spacing adjustable duplex clamp for an external system of an aircraft engine, which is used for fixing a guide pipe 16, and figure 2 is a schematic component composition diagram of the spacing adjustable duplex clamp, and is shown as follows: the clamp comprises an upper half clamp and a lower half clamp, wherein the upper half clamp and the lower half clamp are respectively divided into two parts, namely a clamp split body A6, a clamp split body B7, a clamp split body C8 and a clamp split body D9; the clamp split body A6, the clamp split body B7, the clamp split body C8 and the clamp split body D9 respectively comprise an adjusting portion with teeth 10 on the inner side and an arc-shaped clamp, as shown in figures 6-7. The width of the adjusting part is smaller than that of the arc-shaped hoop; the tooth adjusting device further comprises a tooth adjusting block 11 and two limiting blocks 12, wherein each limiting block 12 is in a plate shape with a hole in the center, and the front and the rear of each limiting block are provided with bent edges bent downwards, as shown in figures 3-5. The tooth adjusting block 11 is a plate with a hole at the center, a plurality of tooth-shaped grooves in the front-back direction are processed on the upper surface and the lower surface, and the opening depth and the opening angle of the tooth-shaped grooves and the tooth 10 can be matched, as shown in fig. 8-10; the bolt is characterized by further comprising a bolt 13 and a self-locking nut 14, a gap between two adjusting portions of a clamp split body A6 and a clamp split body B7 is equal to the outer diameter of the bolt 13, a gap between two adjusting portions of a clamp split body C8 and a clamp split body D9, a central opening of a limiting block 12 and a central opening of a tooth adjusting block 11 are equal to the outer diameter of the bolt 13, and the bolt 13 sequentially penetrates through the central opening of the limiting block 12 at the upper portion, the gap between two adjusting portions of a clamp split body A6 and a clamp split body B7, the central opening of the tooth adjusting block 11, the gap between two adjusting portions of a clamp split body C8 and a clamp split body D9 and the central opening of the limiting block 12 at the lower portion from top to bottom and then.
The height of the bent edge is 2/3 of the thickness of the adjusting part. The interval between two bent edges of stopper 12 equals the length of tooth regulating block 11 fore-and-aft direction, and is greater than the width of arc clamp. The arc of arc clamp corresponds the central angle 135 of the circle that is located. The metal felt 15 is evenly spot-welded on the inner side of the arc-shaped clamp of the clamp split body A6, the clamp split body B7, the clamp split body C8 and the clamp split body D9. The clamp split body B7 and the clamp split body C8 and the clamp split body A6 and the clamp split body D9 are respectively used for fixing one guide pipe 16, and the diameters of the two guide pipes 16 are different.
When the device is assembled and used, a bolt 13 penetrates through the central holes of the limiting block 12 and the tooth adjusting block 11, then a clamp split body A6, a clamp split body B7, a clamp split body C8 and a clamp split body D9 are respectively installed on the upper side and the lower side of the tooth adjusting block 11, the positions of the tooth and tooth adjusting blocks of the clamp split body A6 and the clamp split body B7 are adjusted according to the actual span of two guide pipes 16 to be fixed, and the positions of the tooth and tooth adjusting blocks of the clamp split body C8 and the clamp split body D9 are synchronously adjusted.
Fig. 13 is a front view showing a small pitch state of the space-adjustable duplex yoke according to the present invention, and fig. 14 is a top view showing a small pitch state of the space-adjustable duplex yoke according to the present invention, as shown in the drawings: the small spacing state is needed, after the relative positions of the clamp split body A6 and the clamp split body B7 are adjusted to be close to proper positions, the teeth 10 are matched with the tooth-shaped grooves of the tooth adjusting blocks 11, the positions of the teeth of the clamp split body C8 and the clamp split body D9 are synchronously adjusted, and the bolt 13 sequentially penetrates through a central opening of a limiting block 12 at the upper part, a gap between two adjusting parts of the clamp split body A6 and the clamp split body B7, a central opening of the tooth adjusting blocks 11, a gap between two adjusting parts of the clamp split body C8 and the clamp split body D9 and a central opening of the limiting block 12 at the lower part from top to bottom and then is matched with the self-locking nut 14 to be screwed down to fix the duplex clamp.
Fig. 15 is a front view showing a large-interval state of the interval-adjustable duplex clip of the present invention, and fig. 16 is a top view showing a large-interval state of the interval-adjustable duplex clip of the present invention, as shown in the drawings: the large-space state is needed, after the relative positions of the clamp split body A6 and the clamp split body B7 are adjusted to be far to be proper positions, the teeth 10 are matched with the tooth-shaped grooves of the tooth adjusting blocks 11, the positions of the teeth of the clamp split body C8 and the clamp split body D9 are synchronously adjusted, and the bolt 13 sequentially penetrates through a central opening of a limiting block 12 at the upper part, a gap between two adjusting parts of the clamp split body A6 and the clamp split body B7, a central opening of the tooth adjusting blocks 11, a gap between two adjusting parts of the clamp split body C8 and the clamp split body D9 and a central opening of the limiting block 12 at the lower part from top to bottom and then is matched with the self-locking nut 14 to be screwed down to fix the.
The clamp structure provided by the invention has the advantages that the guide pipe of the external system of the aircraft engine is fixed by the conventional duplex clamp, if the distance between two guide pipes cannot meet the assembly requirement, the guide pipes are separated, the shape correction is carried out on the guide pipes, the reassembly is carried out, and the shape correction time of each guide pipe is about 15 minutes on average.
Claims (6)
1. The utility model provides an aeroengine is duplex clamp of fixed spacing adjustable for external system for fixed pipe, includes first clamp and second clamp, its characterized in that: the upper half hoop and the lower half hoop are respectively divided into two parts, namely a hoop split body A, a hoop split body B, a hoop split body C and a hoop split body D; the clamp split body A, the clamp split body B, the clamp split body C and the clamp split body D respectively comprise an adjusting part with teeth on the inner side and an arc-shaped clamp, and the width of the adjusting part is smaller than that of the arc-shaped clamp; the tooth adjusting block is in a plate shape with a hole in the center, the front and the back of the tooth adjusting block are provided with bent edges bent downwards, the upper surface and the lower surface of the tooth adjusting block are provided with a plurality of front and back tooth-shaped grooves, and the tooth-shaped grooves can be matched with the tooth in the opening depth and the opening angle; still include bolt and self-locking nut, the space between two regulating parts of clamp components of a whole that can function independently A and clamp components of a whole that can function independently B equals the external diameter of bolt, the space between two regulating parts of clamp components of a whole that can function independently C and clamp components of a whole that can function independently D, stopper center trompil and tooth regulating block center trompil all equal the external diameter of bolt, the screw rod is from last to passing the stopper center trompil on upper portion down in proper order, the space between two regulating parts of clamp components of a whole that can function independently A and clamp components of a whole that can function independently B, tooth regulating block center trompil, space between two regulating parts of clamp components of a.
2. The aircraft engine external system fixed spacing adjustable duplex clip of claim 1, wherein: the height of the bent edge is 2/3 of the thickness of the adjusting part.
3. The aircraft engine external system fixed spacing adjustable duplex clip of claim 1, wherein: the interval between two bent edges of stopper equals the length of tooth regulating block fore-and-aft direction, and is greater than the width of arc clamp.
4. The aircraft engine external system fixed spacing adjustable duplex clip of claim 1, wherein: the arc of arc clamp corresponds the central angle 135 of the circle that is located.
5. The aircraft engine external system fixed spacing adjustable duplex clip of claim 1, wherein: the metal felt is evenly spot-welded on the inner side of the arc-shaped clamp of the clamp split body A, the clamp split body B, the clamp split body C and the clamp split body D.
6. The aircraft engine external system fixed spacing adjustable duplex clip of claim 1, wherein: the clamp split body B and the clamp split body C are respectively fixed with the clamp split body A and the clamp split body D to form a guide pipe, and the diameters of the two guide pipes are the same or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177841.1A CN111998137B (en) | 2020-10-29 | 2020-10-29 | Fixed-interval-adjustable duplex hoop for external system of aircraft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177841.1A CN111998137B (en) | 2020-10-29 | 2020-10-29 | Fixed-interval-adjustable duplex hoop for external system of aircraft engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111998137A true CN111998137A (en) | 2020-11-27 |
| CN111998137B CN111998137B (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011177841.1A Active CN111998137B (en) | 2020-10-29 | 2020-10-29 | Fixed-interval-adjustable duplex hoop for external system of aircraft engine |
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| Country | Link |
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| CN (1) | CN111998137B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1504533A (en) * | 1966-07-12 | 1967-12-08 | Clamp, especially for fixing heating and plumbing pipes | |
| FR2601087A1 (en) * | 1986-07-01 | 1988-01-08 | Legendre Serge | Support forming a collar with controlled opening, for aligning pipelines |
| CN102820633A (en) * | 2011-06-06 | 2012-12-12 | 豪倍公司 | Geared Spacer Assembly for Conductor Bundle |
| CN103775744A (en) * | 2014-02-17 | 2014-05-07 | 昆山振宏电子机械有限公司 | Cable clamping tool for power distribution cabinet |
| CN204387493U (en) * | 2014-12-12 | 2015-06-10 | 浙江吉利汽车研究院有限公司 | Adjustable split type dual-pipe clamp |
| CN104847125A (en) * | 2015-05-25 | 2015-08-19 | 重庆大学 | Hoisting equipment special for variable span precompression |
| CN204986013U (en) * | 2015-07-28 | 2016-01-20 | 天津泛亚科瑞成油田技术有限公司 | Petroleum pipeline support |
| CN205278566U (en) * | 2015-11-25 | 2016-06-01 | 青岛三祥科技股份有限公司 | Oil pipe separates fixed knot and constructs |
| CN206738731U (en) * | 2017-04-18 | 2017-12-12 | 中山市赫辉金属制造有限公司 | A kind of adjustable dual-pipe clamp |
| CN210397956U (en) * | 2019-04-11 | 2020-04-24 | 临海伟星新型建材有限公司 | Conjoined pipe clamp for prefabricated pipeline |
-
2020
- 2020-10-29 CN CN202011177841.1A patent/CN111998137B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1504533A (en) * | 1966-07-12 | 1967-12-08 | Clamp, especially for fixing heating and plumbing pipes | |
| FR2601087A1 (en) * | 1986-07-01 | 1988-01-08 | Legendre Serge | Support forming a collar with controlled opening, for aligning pipelines |
| CN102820633A (en) * | 2011-06-06 | 2012-12-12 | 豪倍公司 | Geared Spacer Assembly for Conductor Bundle |
| CN103775744A (en) * | 2014-02-17 | 2014-05-07 | 昆山振宏电子机械有限公司 | Cable clamping tool for power distribution cabinet |
| CN204387493U (en) * | 2014-12-12 | 2015-06-10 | 浙江吉利汽车研究院有限公司 | Adjustable split type dual-pipe clamp |
| CN104847125A (en) * | 2015-05-25 | 2015-08-19 | 重庆大学 | Hoisting equipment special for variable span precompression |
| CN204986013U (en) * | 2015-07-28 | 2016-01-20 | 天津泛亚科瑞成油田技术有限公司 | Petroleum pipeline support |
| CN205278566U (en) * | 2015-11-25 | 2016-06-01 | 青岛三祥科技股份有限公司 | Oil pipe separates fixed knot and constructs |
| CN206738731U (en) * | 2017-04-18 | 2017-12-12 | 中山市赫辉金属制造有限公司 | A kind of adjustable dual-pipe clamp |
| CN210397956U (en) * | 2019-04-11 | 2020-04-24 | 临海伟星新型建材有限公司 | Conjoined pipe clamp for prefabricated pipeline |
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| Publication number | Publication date |
|---|---|
| CN111998137B (en) | 2021-01-01 |
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