CN112894671B - Pipeline clamp positioning device and pipeline bonding wire installation method - Google Patents

Abstract

The invention relates to the technical field of pipeline overlapping and discloses a pipeline clamp positioning device and a pipeline bonding wire installation method. Pipeline clamp positioner includes: the base is used for supporting the pipeline; the fastening component is arranged on the base and used for fastening the pipeline; locating component, locating component include arc scale and pointer, and the arc scale is installed on the base and is enclosed the pipeline and locate wherein, the one end sliding connection of pointer in arc scale, the other end and pipeline butt, the pointer can slide certain angle in order to confirm the opening position of clamp on the pipeline around the centre of a circle of arc scale according to the definition value. The method for installing the pipeline bond strap is characterized in that a hoop of a pipeline on one side is installed on the ground, and a hoop of a pipeline on the other side is installed in an aircraft oil tank. According to the invention, the positioning of the pipeline on one side and the installation operation of the hoop are completed on the ground, so that the operation difficulty is greatly reduced, the installation efficiency is improved, and the installation quality and the aesthetic degree of the hoop and the bonding wire are greatly improved.

Description

A pipeline clamp positioning device and a pipeline ground wire installation method

technical field

The invention relates to the technical field of aircraft pipeline overlap, in particular to a pipeline clamp positioning device and a pipeline ground wire installation method.

Background technique

Flexible connection is adopted between the ventilation pipeline, fueling pipeline and fuel supply pipeline in the aircraft fuel tank. As shown in Figure 1, the flexible connection is realized by the way of pipeline-seal-joint-seal-pipe. In the flexible connection method, the electrical conductivity cannot be guaranteed between the connected pipelines. In the event of a lightning strike, the accumulation of current on the pipeline will cause the fuel tank to catch fire or other serious consequences. Therefore, in order to ensure the lightning protection performance in the fuel tank, as shown in Figure 2, a clamp and a ground wire are generally used to electrically overlap between the interconnected pipelines to form a current flow path and divert the current to the related treatment. device to prevent lightning damage to the aircraft.

The traditional method of installing the ground wire of the pipeline is to install the pipeline in the aircraft first, and then install the clamp and the ground wire. This method has the following problems: the space in the aircraft fuel tank is narrow, the grinding of the pipeline and the installation of the clamp are inconvenient, and the efficiency is low; in the process of clamping the clamp, it is inconvenient to apply glue and seal the back of the pipeline, and the pipeline connection is sealed. Poor performance; the installation process occupies the operating space and main line time on the aircraft, which is not conducive to improving the overall production efficiency of the aircraft.

In view of the above problems, it is possible to first install the clamp and ground wire on the pipeline to be connected on the ground facing one side, and then electrically overlap it with the pipeline to be connected on the other side in the aircraft fuel tank. However, as shown in Figure 3, when installing the clamp and the ground wire in the aircraft, there are other structural references of the aircraft, and the opening direction A-A of the clamp can be easily determined. The problem of determining the direction of the opening of the clamp on the pipe.

SUMMARY OF THE INVENTION

Based on the above, the purpose of the present invention is to provide a pipeline clamp positioning device and a pipeline ground wire installation method, so as to solve the problems of low installation efficiency of the ground wire, poor pipeline connection sealing and inability to solve the problems in the prior art. The technical problem of determining the direction of the clamp opening.

For achieving the above object, the present invention adopts the following technical solutions:

A pipeline clamp positioning device is provided, and the pipeline clamp positioning device includes:

a base, which is used to support the pipeline;

a fastening component, which is installed on the base and used to fasten the pipeline;

a positioning assembly, the positioning assembly includes an arc-shaped scale and a pointer, the arc-shaped scale is installed on the base and encloses the pipeline therein, and one end of the pointer is slidably connected to the arc-shaped scale, The other end is in contact with the pipeline, and the pointer can slide around the center of the arc scale at a certain angle according to a defined value to determine the opening position of the clamp on the pipeline.

Preferably, the arc of the arc-shaped scale is 180°, and scale values are evenly set in the circumferential direction of the arc-shaped scale.

Preferably, the arc-shaped scale is provided with an arc-shaped chute, the end of the pointer connected to the arc-shaped scale is provided with a bump, and the bump is configured to fit in the arc-shaped chute and can slide along the arc chute.

Preferably, it also includes two scale connecting pieces, the scale connecting pieces include a first connecting plate and a second connecting plate that are perpendicular to each other, the first connecting plate is fixed on the base, and the second connecting plate is connected to the base. Connect one end of the arc ruler.

Preferably, the end of the arc scale is provided with first positioning holes, the second connecting plate is provided with a plurality of second positioning holes at vertical intervals, and the first positioning holes can be respectively connected with each of the The second positioning holes are aligned and bolted to fix the arc scale at different heights.

Preferably, the fastening assembly includes a fixed block and a movable block oppositely arranged on the base, and a clamping screw is provided on the fixed block, and the clamping screw is used to clamp the pipeline between the movable stop and the clamping screw.

Preferably, a plurality of groups of third positioning holes are arranged on the movable block at intervals, and fourth positioning holes are arranged on the base. Aligning each group of the third positioning holes with the fourth positioning holes can The movable blocks are positioned at different positions of the base.

The invention also provides a pipeline clamp positioning method, comprising the following steps:

Fastening the straight section of the pipeline in the fastening component of the pipeline clamp positioning device according to any of the above solutions, so that both the straight section and the curved section of the pipeline are in contact with the upper surface of the base;

Define the opening direction of the clamp 6 on the straight segment of the pipeline 5 with the defined values 0-36;

Determine the indicated value of the pointer 32 according to the defined value;

Rotate the pointer to the scale on the arc scale corresponding to the indicated value.

Preferably, when the defined value is between 0 and 18, the indicated value is equal to the defined value, so that the curved section of the pipeline is placed in the direction of the scale "0" of the arc scale. on the base;

When the defined value is between 18 and 36, the indicated value is equal to the defined value minus 18, so that the curved section of the pipeline is placed in the direction of the scale "18" of the arc scale. on the base.

The invention also provides a method for installing the ground wire of the pipeline, comprising the following steps:

Use the pipeline clamp positioning device according to any one of the above solutions and the pipeline clamp positioning method described above to locate the first pipeline on the ground and install the first clamp;

connecting one end of the ground wire to the first clamp;

Position the second pipeline in the aircraft fuel tank and install the second clamp;

The first pipeline and the second pipeline are aligned in the aircraft fuel tank, and the other end of the ground wire is connected to the second clamp.

The beneficial effects of the present invention are:

The pipeline clamp positioning device provided by the present invention uses the fastening component to fasten one side of the pipeline to be connected on the base, and can quickly and accurately determine the installation opening of the clamp on the pipeline by sliding the pointer along the arc scale. direction, easy operation and high efficiency. The installation method of the pipeline ground wire provided by the present invention adopts the above-mentioned pipeline clamp positioning device, which can complete the positioning, installation and packaging of the clamp on one side of the pipeline to be connected on the ground, which greatly reduces the difficulty of operation. It only takes five minutes to complete the electrical lap and package of a clamp on the ground in half an hour, and the installation quality and aesthetics have been greatly improved.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained according to the contents of the embodiments of the present invention and these drawings without creative efforts.

Fig. 1 is the connection schematic diagram of the pipeline in the aircraft fuel tank;

Fig. 2 is the connection schematic diagram of the pipeline installed with the ground wire;

3 is a schematic structural diagram of a pipeline clamp positioning device provided by an embodiment of the present invention;

4 is a schematic diagram of a base of a pipeline clamp positioning device provided in an embodiment of the present invention;

5 is a schematic diagram of a fastening component of a pipeline clamp positioning device provided in an embodiment of the present invention;

6 is an exploded view of a positioning assembly of a pipeline clamp positioning device provided by an embodiment of the present invention;

7 is a schematic diagram of a scale connector of a pipeline clamp positioning device provided in an embodiment of the present invention;

8 is a flowchart of a method for locating a pipeline clamp provided by an embodiment of the present invention;

9 is a schematic diagram of a pipeline clamp positioning device for clamping pipelines in a first manner according to an embodiment of the present invention;

10 is a schematic diagram of a pipeline clamp positioning device for clamping pipelines in a second manner according to an embodiment of the present invention;

FIG. 11 is a flowchart of a method for installing a pipeline ground wire provided by an embodiment of the present invention.

In the figure: 1. Base; 11. Fourth positioning hole; 2. Fastening assembly; 21. Active stopper; 211. Third positioning hole; 22. Fixed stopper; 23. Clamping screw; 24. Fastening bolt ;3, positioning assembly; 31, arc scale; 311, arc chute; 312, first positioning hole; 32, pointer; 321, bump; 322, observation hole; 4, scale connector; 41, first connecting plate; 42, second connecting plate; 421, second positioning hole; 5, pipeline; 51, first pipeline; 52, second pipeline; 6, clamp; 61, first clamp; 62, The second clamp; 7, the sealing ring; 71, the first sealing ring; 72, the second sealing ring; 8, the joint; 9, the ground wire.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 3 , an embodiment of the present invention provides a pipeline clamp positioning device, which is used to determine the opening direction of the clamp 6 on the pipeline 5 . The pipeline clamp positioning device includes a base 1, a fastening component 2 and a positioning component 3. The base 1 is used to support the pipeline 5 and fix the fastening component 2 and the positioning component 3. The fastening component 2 is installed on the base 1 and is used for It is used to fasten the pipeline 5 supported on the base 1 . The positioning assembly 3 is installed on the base 1 for positioning the pipeline 5 , and includes an arc scale 31 and a pointer 32 . The arc scale 31 encloses the pipeline 5 in it and its center coincides with the center of the pipeline 5 , one end of the pointer 32 is slidably connected to the arc-shaped scale 31, and the other end is in contact with the pipeline 5. The pointer 32 can rotate around the arc-shaped scale 31 and the center of the pipeline 5 by a certain angle according to the defined value to confirm that the clamp 6 is in the pipeline. 5 on the opening position.

Specifically, the structure of the base 1 is shown in FIG. 4 . The base 1 is provided with a plurality of through holes for installing the fastening component 2 and the positioning component 3 and the like. The structure of the fastening assembly 2 is shown in FIG. 5 . The fastening assembly 2 includes a movable block 21 and a fixed block 22 arranged opposite to each other, and the pipeline 5 is clamped between the movable block 21 and the fixed block 22 . The fixed block 22 is fixed on the base 1 by screws, and the movable block 21 can be flexibly fixed at different positions of the base 1, so that the distance between the movable block 21 and the fixed block 22 can be adjusted to clamp different diameters. Line 5. Both the movable block 21 and the fixed block 22 include a bottom plate and a vertical plate that are perpendicular to each other, and the pipeline 5 is sandwiched between the two vertical plates. The bottom plate of the fixed block 22 and the base 1 are provided with aligned threaded holes, and screws can be installed in the aligned threaded holes to fix the fixed block 22 on the base 1 . The bottom plate of the movable block 21 is provided with a plurality of groups of third positioning holes 211 at horizontal intervals, and the base 1 is correspondingly provided with a fourth positioning hole 11 , and the movable block 21 is moved so that the third positioning holes 211 and the fourth positioning holes are different. 11 is aligned, and the movable block 21 can be positioned at different positions on the base 1 . The fastening assembly 2 further includes a fastening bolt 24 , and the fastening bolt 24 is installed in the aligned third positioning hole 211 and the fourth positioning hole 11 for the relative fixing between the movable block 21 and the base 1 .

Further, in this embodiment, the fastening assembly 2 further includes a clamping screw 23, the clamping screw 23 is arranged on the fixed block 22, and the clamping screw 23 can move toward the movable block 21 to clamp the pipeline 5 It is tightened between the movable block 21 and the clamping screw 23 to further ensure the tightening effect of the pipeline 5 . A horizontal hole is provided on the vertical plate of the fixing block 22, and the clamping screw 23 is installed in the horizontal hole. Optionally, the number of clamping screws 23 is multiple, and the multiple clamping screws 23 are installed on the vertical plate of the fixed block 22 at equal intervals in the transverse direction, so that the clamping force on the pipeline 5 is uniform. In this embodiment, the number of the clamping screws 23 is two, and the two clamping screws 23 are symmetrically installed on the vertical plate of the fixed stopper 22 .

The structure of the positioning assembly 3 is shown in FIG. 6 . The positioning assembly 3 includes an arc-shaped scale 31 and a pointer 32 that are relatively slidably connected. The arc-shaped scale 31 has a semicircular structure, that is, the arc of the arc-shaped scale 31 is 180°, and scale values are evenly set around the circumference of the arc-shaped scale 31 . Optionally, the precision of the scale value is 1°˜10°. Since the positioning accuracy of the clamp 6 on the pipeline 5 is not high, preferably, in this embodiment, the accuracy of the scale value is set to 10°, and the arc scale 31 is set to a scale value of 1-18. One end of the pointer 32 is slidably connected to the arc-shaped scale 31, and the other end points to the center of the arc-shaped scale 31 and is in contact with the outer surface of the pipeline 5. The pointer 32 rotates around the arc-shaped scale 31 by a certain angle according to the defined value. The position of the pipeline 5 is the opening direction of the clamp 6 when it is installed.

In order to realize the relative sliding between the pointer 32 and the arc scale 31, an arc chute 311 is provided on the arc scale 31, and a convex block 321 is provided at the end where the pointer 32 is connected with the arc scale 31, so that the convex block 321 By fitting in the arc-shaped chute 311, the relative sliding of the two can be realized. Optionally, the number of the arc-shaped chute 311 and the convex block 321 is set to one or more, preferably, the number of the arc-shaped chute 311 and the convex block 321 is set to two, so as to ensure that the pointer 32 indicates an accurate On the premise, the pointer 32 is prevented from being deflected. Further, in order to observe the position of the pointer 32 , a through observation hole 322 is provided on the pointer 32 , and the position of the observation hole 322 is aligned with the scale value on the arc scale 31 .

Further, the pipeline clamp positioning device provided in this embodiment further includes two scale connecting pieces 4, and the two scale connecting pieces 4 are respectively disposed between the two ends of the arc scale 31 and the base 1, so as to connect the arc scale 31 is connected to the base 1 . The structure of the scale connector 4 is shown in FIG. 7 . The scale connector 4 includes a first connecting plate 41 and a second connecting plate 42 that are perpendicular to each other. The first connecting plate 41 is fixed to the base 1 by screws, and the second connecting plate 42 is connected to Arc scale 31 is connected. The end of the arc-shaped scale 31 is provided with a first positioning hole 312, and the second connecting plate 42 is provided with a second positioning hole 421, so that the first positioning hole 312 and the second positioning hole 421 are aligned and a screw is installed to realize The connection between the arc-shaped scale 31 and the scale connector 4 realizes the relative connection between the positioning assembly 3 and the base 1 . Further, a plurality of second positioning holes 421 are provided, and the plurality of second positioning holes 421 are vertically arranged at equal intervals on the second connecting plate 42, so as to realize the fixing of the arc scale 31 on the scale connecting member 4 at different heights, So that the circle center of the arc scale 31 can coincide with the circle centers of the pipelines 5 of different diameters.

As shown in FIG. 8 , the present invention also provides a pipeline clamp positioning method, which adopts the above-mentioned pipeline clamp positioning device, and includes the following steps:

Fasten the straight section of the pipeline 5 in the fastening component 2 of the pipeline clamp positioning device, so that both the straight section and the curved section of the pipeline 5 are attached to the upper surface of the base 1;

Define the opening direction of the clamp 6 on the straight segment of the pipeline 5 with the defined values 0-36;

Determine the indicated value of the pointer 32 according to the defined value;

Rotate the pointer 32 to the scale on the arc scale 31 corresponding to the indicated value.

In the above method, as shown in FIG. 9 , when the defined value is between 0 and 18, the pipeline 5 is laid flat so that the curved section of the pipeline 5 faces the scale “0” of the arc scale 31 . At this time, the indicated value is equal to the defined value. Rotate the pointer 32 to the scale on the arc scale 31 corresponding to the indicated value. At this time, the position pointed by the end of the pointer 32 in contact with the pipeline 5 is the clamp 6 on the pipeline 5 opening position.

When the defined value is between 18 and 36, as shown in FIG. 10 , lay the pipeline 5 flat so that the curved section of the pipeline 5 faces the direction of the scale “18” of the arc scale 31 . At this time, the indicated value is equal to the defined value minus 18. Rotate the pointer 32 to the scale on the arc scale 31 corresponding to the indicated value. At this time, the position pointed by the end of the pointer 32 in contact with the pipeline 5 is the position of the clamp 6 on the pipe. openings on the road.

As shown in FIG. 11 , the present invention also provides a method for installing a pipeline ground wire. The installation method of the pipeline ground wire includes the following steps:

Position the first pipeline 51 on the ground and install the first clamp 61;

One end of the ground wire 9 is connected to the first clamp 61, and the first clamp 61 and the straight section of the first pipeline 51 on which the first clamp 61 is installed are coated and packaged;

Position the second pipeline 52 in the aircraft fuel tank and install the second clamp 62;

Align the first pipeline 51 with the first clamp 61 installed with the second pipeline 52 in the aircraft fuel tank, and connect the other end of the ground wire 9 to the second clamp 62;

The second clamp 62 and the straight section of the second pipeline 52 on which the second clamp 62 is installed are coated and packaged with glue.

During the installation of the ground wire 9, the above-described pipeline clamp positioning device is used when positioning the first pipeline 51 on the ground, so as to ensure that the first clamp 61 is positioned on the first pipeline 51. The accuracy of the orientation of the installation opening.

In the method for installing the ground wire of the pipeline provided in this embodiment, the pipeline 5 to be connected on one side is installed on the ground, which greatly saves the installation time for the electrical overlap of the pipeline 5, and the installation quality and the aesthetic degree of the ground wire 9 are all the same. can guarantee. In addition, the method adopts the above-mentioned pipeline clamp positioning device, which ensures the accuracy of the installation opening of the clamp 6, thereby further ensuring the overall installation quality of the pipeline 5 electrical overlap.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.

Claims (8)

1. A method of positioning a pipe clamp, comprising: a pipeline clamp positioning device and the following steps;

pipeline clamp positioner includes:

a base (1), the base (1) being for supporting a pipeline (5);

a fastening component (2), wherein the fastening component (2) is arranged on the base (1) and is used for fastening the pipeline (5);

the positioning assembly (3) comprises an arc-shaped scale (31) and a pointer (32), the arc-shaped scale (31) is installed on the base (1) and surrounds the pipeline (5) in the base, one end of the pointer (32) is connected to the arc-shaped scale (31) in a sliding mode, the other end of the pointer (32) is abutted to the pipeline (5), and the pointer (32) can slide around the circle center of the arc-shaped scale (31) by a certain angle according to a defined value so as to determine the opening position of the clamp (6) on the pipeline (5);

the steps are as follows:

fastening the straight section of the pipeline (5) in the fastening component (2) so that the straight section and the bent section of the pipeline (5) are both fit with the upper surface of the base (1);

defining the opening direction of the clamp (6) on the straight line section of the pipeline (5) by a defined value of 0-36;

-determining an indication value of said pointer (32) from said defined value;

rotating the pointer (32) to the scale on the arc scale (31) corresponding to the indicated value;

when the definition value is between 0 and 18, the indication value is equal to the definition value, and the bent section of the pipeline (5) is made to be horizontally placed on the base (1) towards the direction of the scale mark '0' of the arc scale (31);

when the definition value is between 18 and 36, the indication value is equal to the definition value minus 18, so that the bent section of the pipeline (5) is horizontally placed on the base (1) towards the direction of the scale mark (18) of the arc scale (31).

2. The pipe clamp positioning method according to claim 1, wherein the arc degree of the arc scale (31) is 180 °, and scale values are uniformly arranged in the circumferential direction of the arc scale (31).

3. The pipeline clamp positioning method according to claim 1, wherein an arc-shaped sliding groove (312) is formed in the arc-shaped scale (31), and a protrusion (321) is formed at one end of the pointer (32) connected to the arc-shaped scale (31), wherein the protrusion (321) is configured to be embedded in the arc-shaped sliding groove (312) and can slide along the arc-shaped sliding groove (312).

4. The pipe clamp positioning method according to claim 1, further comprising two scale connectors (4), wherein the scale connectors (4) comprise a first connecting plate (41) and a second connecting plate (42) which are perpendicular to each other, the first connecting plate (41) is fixed to the base (1), and the second connecting plate (42) is connected to one end of the arc scale (31).

5. The pipe clamp positioning method according to claim 4, wherein a first positioning hole (311) is formed in an end portion of the arc scale (31), a plurality of second positioning holes (421) are formed in the second connecting plate (42) at a vertical interval, and the first positioning hole (311) is aligned with each of the second positioning holes (421) and is bolted to fix the arc scale (31) at different heights.

6. The pipe clamp positioning method according to claim 1, wherein the fastening assembly (2) comprises a movable stop (21) and a fixed stop (22) which are oppositely arranged on the base (1), and a clamping screw (23) is arranged on the fixed stop (22), and the clamping screw (23) is used for clamping the pipe (5) between the movable stop (21) and the clamping screw (23).

7. The method for positioning the pipe clamp according to claim 6, wherein a plurality of sets of third positioning holes (211) are formed in the movable stop (21) at intervals, a fourth positioning hole (11) is formed in the base (1), and the movable stop (21) can be positioned at different positions of the base (1) by aligning each set of the third positioning holes (211) with the fourth positioning hole (11).

8. A method for installing a pipeline bond strap is characterized by comprising the following steps:

-locating a first pipeline (51) on the ground and installing a first clamp (61) using the pipeline clamp locating method according to any one of claims 1 to 7;

connecting one end of a bonding wire (9) to the first clamp (61);

positioning a second pipeline (52) in the aircraft tank and mounting a second clamp (62);

-aligning the first (51) and second (52) lines in the aircraft tank and connecting the other end of the bond wire (9) to the second clip (62).

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