CN217980166U - Tool for measuring straightness and reducing diameter of airplane guide pipe - Google Patents

Tool for measuring straightness and reducing diameter of airplane guide pipe Download PDF

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Publication number
CN217980166U
CN217980166U CN202221971927.6U CN202221971927U CN217980166U CN 217980166 U CN217980166 U CN 217980166U CN 202221971927 U CN202221971927 U CN 202221971927U CN 217980166 U CN217980166 U CN 217980166U
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diameter
clamping block
movable clamping
pin shaft
block
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CN202221971927.6U
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孙志强
李文龙
贾云龙
郑乃千
丁吉泉
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Shenyang Aircraft Industry Group Co Ltd
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Shenyang Aircraft Industry Group Co Ltd
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Abstract

The utility model provides an aircraft pipe straightness accuracy reducing measurement frock belongs to mechanical assembly and measures technical field, is used for accomplishing the straightness accuracy measurement work that most joint pipe that involves among all hydraulic system on the aircraft to judge whether certain pipe straightness accuracy is qualified. The utility model discloses an integrated mode makes single frock possess multi-functional measurement effect, reduces the operation degree of difficulty, and the simplified operation flow promotes measurement accuracy and qualification rate. The utility model discloses mechanical structure is simple, appearance novel structure, and nimble degree is high, and the operation is simple and direct, can accomplish measuring work in narrow and small space high efficiency, and work efficiency has obtained the improvement more than 3 times to strictly guarantee measuring result's accuracy. And simultaneously, the utility model discloses each partial structure is relatively independent, and each part can in time be changed according to the degree of wear, has improved and has measured frock life.

Description

Tool for measuring straightness and reducing diameter of airplane guide pipe
Technical Field
The utility model belongs to the technical field of mechanical assembly measures, a frock is measured to aircraft pipe straightness accuracy reducing is related to for accomplish the straightness accuracy measurement work of most joint pipe that involves among all hydraulic system on the aircraft to judge whether certain pipe straightness accuracy is qualified.
Background
In the process of manufacturing an airplane, all hydraulic systems mainly finish the transmission work of working media (hydraulic oil) by using guide pipes, and fastening and connecting work is finished between the guide pipes and a hydraulic finished product by using threaded nuts, so that the guide pipes at the outer ends of the nuts need to ensure certain straightness along the direction of the guide pipes from the end faces of the nuts, otherwise, when the hydraulic systems work, high pressure is born in the pipes for a long time, pipelines are easy to burst, and the measurement work of the straightness of the guide pipes is the important factor in the installation and debugging processes of the hydraulic systems and cannot be ignored. At present, the conventional operation method is that all hydraulic conduits finish the adjustment work of the straightness in the process of installing on the ground, after the installation, the conduits are free and free from external force, so the straightness of the conduits is basically unchanged, but for the conduits with complex appearance structures, the conduits can be installed at specified positions only by rotating various angles in the process of installing, and then are connected with hydraulic finished products through nuts. While the above methods work well, there is room for improvement. Firstly, in the process of measuring the assembly of the clamping ring, sometimes an operator needs to clamp the clamping ring by hands after assembling and then rotates at a specified position, and due to the limitation of an operation space, the operator needs to take a long time to finish the rotation measurement work under the condition of clamping the clamping ring, so that the difficulty and the strength of the work are increased; secondly, for catheters with different diameters, an operator needs to prepare clamping rings with various specifications to finish the measurement, and the number of discrete measurement tools is increased invisibly.
The tool for measuring the straightness and the diameter of the airplane guide pipe is designed in view of the reasons, the tool is compact in structure, small and flexible, the characteristic that a snap ring is separated in the past is broken through, the measuring efficiency is high, and the operation difficulty is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an aircraft pipe straightness accuracy reducing measures frock through the integrated mode of pipe measurement frock for single frock possesses multi-functional measuring effect, finally reduces the operation degree of difficulty, simplifies the operation flow, promotes measurement accuracy and qualification rate.
The utility model discloses a technical scheme do:
the utility model provides an aircraft pipe straightness accuracy reducing measures frock, the frock includes that big footpath moves clamp splice 1, square buckle 2, buckle elastic pin axle 3, the quiet clamp splice 4 of big footpath, path measuring block 5, connecting pin 6 and rotatory round pin axle 7.
The large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are of block structures with the same structure, semicircular through grooves are formed in one sides of the large-diameter movable clamping block and the large-diameter static clamping block, and the semicircular through grooves of the large-diameter movable clamping block and the large-diameter static clamping block are opposite to form a circular through hole for completing the straightness measurement work of the large-diameter guide pipe; the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are respectively provided with a circular clamping groove for mounting the small-diameter measuring block 5; the connecting pin shaft 6 is arranged at one corner of the connecting surface of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 and is used for completing the rotary connection between the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the square buckle 2 is fixed on one side of the large-diameter movable clamping block 1, which is far away from the connecting pin shaft 6, through the rotating pin shaft 7, and has the main function of locking one end of a measured conduit after the measured conduit is clamped between the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the buckle elastic pin shaft 3 is arranged in a mounting hole at one side of the large-diameter static clamping block 4 far away from the connecting pin shaft 6 and is used for assisting the square buckle 2 to complete the single-end locking work of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the small-diameter measuring block 5 is characterized in that a semicircular ring structure is arranged at one end of the small- diameter measuring block 5, 2 small-diameter measuring blocks 5 are arranged and are respectively and relatively installed on the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, and after the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are locked, the semicircular rings of the two small-diameter measuring blocks 5 relatively form a circular ring structure for finishing the linearity measuring work of the small-diameter guide pipe.
Further, the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are made of high-hardness tool steel materials.
Furthermore, the small-diameter measuring block 5, the connecting pin 6 and the rotating pin 7 are made of high-strength steel materials.
Furthermore, the square buckle 2 and the buckle elastic pin shaft 3 are made of high-elasticity and high-toughness steel materials.
The use steps of the tool for measuring the straightness reducing of the aircraft conduit are as follows:
(1) The relevant conduits are correctly assembled to the finished hydraulic system on board the aircraft as required.
(2) And (4) visually checking the pipe joint positions of all the installed pipes, and taking out the tool when the straightness of the pipe at the position of a certain pipe joint is not good and a measuring tool is required to be further used for checking.
(3) Determining whether a small-diameter measuring block 5 needs to be installed or not according to the outer diameter of the conduit, if the small-diameter measuring block does not need to be installed, opening a square buckle 2, clamping a tool at the end of the conduit needing to be measured, and locking a large-diameter movable clamping block 1 and a large-diameter static clamping block 4 through the square buckle 2;
(4) Rotating the tool to see whether the clamping stagnation phenomenon exists or not, if the clamping stagnation phenomenon exists, indicating that the straightness of the guide pipe at the end head of the guide pipe nut to be detected does not meet the requirement, and disassembling the guide pipe from the machine, re-adjusting the guide pipe, and then re-assembling the guide pipe until the guide pipe is qualified;
(5) After the measurement work is finished, the square buckle 2 is opened, and the tool is detached from the machine;
(6) When the measured catheter is a catheter with a small diameter, two small-diameter measuring blocks 5 need to be arranged in the circular clamping grooves of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 before measurement, and then the measurement of the straightness of the catheter joint is completed according to the steps (3) to (5).
(7) After all measurement work is finished, the measurement tool is stored to a specified position.
The utility model has the advantages that:
(1) The utility model discloses mechanical structure is simple, appearance novel structure, and nimble degree is high, and the operation is simple and direct, can accomplish the pipe straightness accuracy measurement work of relevant specification by the efficient in narrow and small space, compares formerly, and work efficiency has obtained the improvement more than 3 times to can strictly guarantee measuring result's accuracy.
(2) The utility model discloses a bright spot part is with in the structure of self big footpath move clamp splice and the quiet clamp splice direct application in the pipe straightness accuracy of a certain specification greatly, has both undertaken the clamping function of surveying work and having compromise the path measuring block again in whole measurement frock, the improvement of dephasing the utilization ratio and the application scope of whole frock.
(3) The utility model discloses a square buckle moves the constriction device of clamp splice and the quiet clamp splice in big footpath as big footpath, compares the measurement snap ring before, need not artificial centre gripping, to the survey work in the narrow and small space, has reduced the degree of difficulty of survey work, but also has improved survey work's overall efficiency.
(4) The utility model discloses each partial structure is relatively independent, can in time change according to the degree of wear to the part of easy wearing and tearing, so has just improved the life of whole measurement frock.
Drawings
Fig. 1 is a front view of a straightness reducing measurement tool for an aircraft conduit.
FIG. 2 is a plan view of a straightness reducing measurement tool for an aircraft conduit.
FIG. 3 is a side view of a straightness reducing measurement tool for an aircraft pipe.
In the figure: 1, a large-diameter movable clamping block; 2, square buckle; 3, buckling an elastic pin shaft; 4, a large-diameter static clamping block; 5, measuring a block with a small diameter; 6, connecting a pin shaft; 7 rotating the pin shaft.
Detailed Description
The following description will further explain embodiments of the present invention with reference to the drawings and technical solutions.
Example 1
The utility model provides an aircraft pipe straightness accuracy reducing measures frock, the frock includes that big footpath moves clamp splice 1, square buckle 2, buckle elastic pin axle 3, the quiet clamp splice 4 of big footpath, path measuring block 5, connecting pin 6 and rotatory round pin axle 7.
As shown in fig. 1-3, the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are block-shaped structures with the same structure, both are made of high-hardness tool steel materials, semicircular through grooves are formed in one sides of the large-diameter movable clamping block and the large-diameter static clamping block, and the semicircular through grooves of the large-diameter movable clamping block and the large-diameter static clamping block form a circular through hole in an opposite mode, so that the measurement of the straightness of a catheter with the diameter of phi 8mm can be completed; the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are respectively provided with a circular clamping groove for mounting the small-diameter measuring block 5; the connecting pin shaft 6 is made of high-strength steel materials, is arranged at one corner of the connecting surface of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, and is used for completing the rotary connection between the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the square buckle 2 is fixed on one side, far away from the connecting pin shaft 6, of the large-diameter movable clamping block 1 through the rotating pin shaft 7, and has the main function that after a measured conduit is clamped between the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, the two ends of the measured conduit are locked, wherein the square buckle 2 is made of a high-elasticity and high-toughness steel material, and the rotating pin shaft 7 is made of a high-strength steel material; the buckle elastic pin shaft 3 is made of a high-elasticity and high-toughness steel material, is arranged in a mounting hole on one side, away from the connecting pin shaft 6, of the large-diameter static clamping block 4 and is used for assisting the square buckle 2 to complete single-end locking work of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the small-diameter measuring block 5 is made of high-strength steel materials, a semicircular ring structure is arranged at one end of the small-diameter measuring block 5, the small-diameter measuring block 5 is provided with 2 small-diameter measuring blocks which are respectively and oppositely arranged on the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, and after the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are locked, the semicircular rings of the two small-diameter measuring blocks 5 oppositely form a circular ring structure and are used for completing the measurement of the straightness of the catheter with the diameter of phi 6 mm.
The use steps of the aircraft conduit straightness reducing measuring tool are as follows:
(1) The relevant conduits are correctly assembled to the finished hydraulic system on the aircraft as required.
(2) And (4) visually checking the pipe joint positions of all the installed pipes, and taking out the tool when the pipe at a certain pipe joint position is found to have poor straightness and needs to be further checked by using a measuring tool.
(3) Determining that a small-diameter measuring block 5 does not need to be installed according to the outer diameter of the conduit, opening a square buckle 2, clamping a tool at the end of the conduit needing to be measured, and locking a large-diameter movable clamping block 1 and a large-diameter static clamping block 4 through the square buckle 2;
(4) Rotating the tool to see whether the clamping stagnation phenomenon exists or not, if the clamping stagnation phenomenon exists, indicating that the straightness of the guide pipe at the end head of the guide pipe nut to be detected does not meet the requirement, and disassembling the guide pipe from the machine, re-adjusting the guide pipe, and then re-assembling the guide pipe until the guide pipe is qualified;
(5) After the measurement work is finished, the square buckle 2 is opened, and the tool is detached from the machine;
(6) After all measurement work is finished, the measurement tool is stored to a specified position.
Example 2
The utility model provides an aircraft pipe straightness accuracy reducing measures frock, the frock includes that big footpath moves clamp splice 1, square buckle 2, buckle elastic pin axle 3, the quiet clamp splice 4 of big footpath, path measuring block 5, connecting pin 6 and rotatory round pin axle 7.
As shown in fig. 1-3, the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are block-shaped structures with the same structure, both are made of high-hardness tool steel materials, semicircular through grooves are formed in one sides of the large-diameter movable clamping block and the large-diameter static clamping block, and the semicircular through grooves of the large-diameter movable clamping block and the large-diameter static clamping block form a circular through hole in an opposite mode, so that the measurement of the straightness of a catheter with the diameter of phi 8mm can be completed; the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are respectively provided with a circular clamping groove for mounting the small-diameter measuring block 5; the connecting pin shaft 6 is made of high-strength steel materials, is arranged at one corner of the connecting surface of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, and is used for completing the rotary connection between the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the square buckle 2 is fixed on one side, far away from the connecting pin shaft 6, of the large-diameter movable clamping block 1 through the rotating pin shaft 7, and has the main function that after a measured conduit is clamped between the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, the two ends of the measured conduit are locked, wherein the square buckle 2 is made of a high-elasticity and high-toughness steel material, and the rotating pin shaft 7 is made of a high-strength steel material; the buckle elastic pin shaft 3 is made of a high-elasticity and high-toughness steel material, is arranged in a mounting hole on one side, away from the connecting pin shaft 6, of the large-diameter static clamping block 4 and is used for assisting the square buckle 2 to complete single-end locking work of the large-diameter movable clamping block 1 and the large-diameter static clamping block 4; the small-diameter measuring block 5 is made of high-strength steel materials, a semicircular ring structure is arranged at one end of the small-diameter measuring block, 2 small-diameter measuring blocks 5 are arranged at the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 in total and are respectively and oppositely arranged on the large-diameter movable clamping block 1 and the large-diameter static clamping block 4, and after the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 are locked, the semicircular rings of the two small-diameter measuring blocks 5 oppositely form a circular ring structure for completing the measurement of the straightness of the catheter with the diameter of phi 6 mm.
The use steps of the tool for measuring the straightness reducing of the aircraft conduit are as follows:
(1) The relevant conduits are correctly assembled to the finished hydraulic system on board the aircraft as required.
(2) And (4) visually checking the pipe joint positions of all the installed pipes, and taking out the tool when the pipe at a certain pipe joint position is found to have poor straightness and needs to be further checked by using a measuring tool.
(3) Determining that the conduit is of a small-diameter specification according to the outer diameter of the conduit, before measurement, arranging two small-diameter measurement blocks 5 into circular clamping grooves of a large-diameter movable clamping block 1 and a large-diameter static clamping block 4, opening a square buckle 2, clamping a tool at the end of the conduit to be measured, and locking the large-diameter movable clamping block 1 and the large-diameter static clamping block 4 through the square buckle 2;
(4) Rotating the tool to see whether the clamping stagnation phenomenon exists or not, if the clamping stagnation phenomenon exists, indicating that the straightness of the guide pipe at the end head of the guide pipe nut to be detected does not meet the requirement, and dismounting from the machine, readjusting and then re-installing the machine until the straightness is qualified;
(5) After the measurement work is finished, the square buckle 2 is opened, and the tool is detached from the machine;
(6) And after all the measurement work is finished, storing the measurement tool at a specified position.
The above-mentioned embodiments only represent embodiments of the present invention, but can not be understood as limitations to the scope of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (4)

1. The aircraft conduit straightness reducing measurement tool is characterized by comprising a large-diameter movable clamping block (1), a square buckle (2), a buckle elastic pin shaft (3), a large-diameter static clamping block (4), a small-diameter measurement block (5), a connecting pin shaft (6) and a rotating pin shaft (7);
the large-diameter movable clamping block (1) and the large-diameter static clamping block (4) are of block structures with the same structure, semicircular through grooves are formed in one sides of the large-diameter movable clamping block and the large-diameter static clamping block, and the semicircular through grooves of the large-diameter movable clamping block and the large-diameter static clamping block are opposite to form a circular through hole for completing straightness measuring work of a large-diameter guide pipe; the large-diameter movable clamping block (1) and the large-diameter static clamping block (4) are respectively provided with a circular clamping groove for mounting the small-diameter measuring block (5); the connecting pin shaft (6) is arranged at one corner of the connecting surface of the large-diameter movable clamping block (1) and the large-diameter static clamping block (4) and is used for completing the rotary connection between the large-diameter movable clamping block (1) and the large-diameter static clamping block (4); the square buckle (2) is fixed on one side, far away from the connecting pin shaft (6), of the large-diameter movable clamping block (1) through the rotating pin shaft (7), and has the main function that after a measured conduit is clamped between the large-diameter movable clamping block (1) and the large-diameter static clamping block (4), one ends of the large-diameter movable clamping block and the large-diameter static clamping block are locked; the buckle elastic pin shaft (3) is arranged in a mounting hole at one side of the large-diameter static clamping block (4) far away from the connecting pin shaft (6) and is used for assisting the square buckle (2) to complete the single-end locking work of the large-diameter movable clamping block (1) and the large-diameter static clamping block (4); one end of the small-diameter measuring block (5) is provided with a semicircular ring structure, the small-diameter measuring block (5) is provided with 2 small-diameter measuring blocks, the small-diameter measuring blocks are respectively and oppositely arranged on the large-diameter movable clamping block (1) and the large-diameter static clamping block (4), and after the large-diameter movable clamping block (1) and the large-diameter static clamping block (4) are locked, the semicircular rings of the two small-diameter measuring blocks (5) relatively form a circular ring structure for finishing the linearity measuring work of the small-diameter guide pipe.
2. The aircraft conduit straightness reducing measurement tool according to claim 1, wherein the large-diameter movable clamping block (1) and the large-diameter static clamping block (4) are made of steel materials.
3. The aircraft conduit straightness reducing measurement tool according to claim 1, wherein the small-diameter measurement block (5), the connecting pin shaft (6) and the rotating pin shaft (7) are made of steel materials.
4. The aircraft conduit straightness reducing measurement tool according to claim 1, wherein the square buckle (2) and the buckle elastic pin shaft (3) are made of steel materials.
CN202221971927.6U 2022-07-29 2022-07-29 Tool for measuring straightness and reducing diameter of airplane guide pipe Active CN217980166U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221971927.6U CN217980166U (en) 2022-07-29 2022-07-29 Tool for measuring straightness and reducing diameter of airplane guide pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221971927.6U CN217980166U (en) 2022-07-29 2022-07-29 Tool for measuring straightness and reducing diameter of airplane guide pipe

Publications (1)

Publication Number Publication Date
CN217980166U true CN217980166U (en) 2022-12-06

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ID=84282687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221971927.6U Active CN217980166U (en) 2022-07-29 2022-07-29 Tool for measuring straightness and reducing diameter of airplane guide pipe

Country Status (1)

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CN (1) CN217980166U (en)

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