CN209820363U - Tool for measuring allowance of take-up state of long rod type part of airplane rocker arm - Google Patents
Tool for measuring allowance of take-up state of long rod type part of airplane rocker arm Download PDFInfo
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- CN209820363U CN209820363U CN201920694873.5U CN201920694873U CN209820363U CN 209820363 U CN209820363 U CN 209820363U CN 201920694873 U CN201920694873 U CN 201920694873U CN 209820363 U CN209820363 U CN 209820363U
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Abstract
The utility model belongs to the technical field of machinery, a state allowance measurement frock is received to aircraft rocking arm stock class part is related to. The device comprises a base, a first clamping plate, a circular outer sleeve, a circular inner sleeve, a cylindrical cambered surface measuring head, a spring, a limiting block, an opening adjusting plate, a jackscrew, a connecting screw, a position clamping plate, an adjusting bolt and a second clamping plate; a round blind hole is formed in the center of the upper surface of the base; the round outer sleeve is fixed in the blind hole of the base through a jackscrew; the round inner sleeve can slide up and down along a semicircular sliding groove in the round outer sleeve, and scale marks are engraved on the outer surface of the round inner sleeve; the measuring head with the column-shaped cambered surface is in threaded connection with the upper end of the round inner sleeve; the spring is used for zero point reset of the circular inner sleeve; the tension adjusting plate is connected to the second clamping plate through an adjusting bolt; the position clamping plate is used for being clamped between the circular outer sleeve and the support rod of the airplane rocker arm long rod part. The utility model discloses mechanical structure is novel, the cooperation is accurate, clamping, measurement, need not the supplementary centre gripping of artificial external force.
Description
Technical Field
The utility model belongs to the technical field of machinery, a state allowance measurement frock is received to aircraft rocking arm stock class part is related to.
Background
The long rod type part of the aircraft rocker arm plays a very important role in the aircraft control process, so that various clearance checks are also important in the aircraft debugging work. At present, the conventional method is that the long rod type part of the airplane is manually assembled on the airplane, then the air cavity of the long rod type part is filled with 5-10MP of air to make the support rod in the air cavity pop up, then a steel plate ruler is used for marking a zero reference point at the support rod of the long rod type part, then a tray is used for supporting one end of the long rod type part with the support rod until the support rod is compressed, when the normal compression amount of the support rod and the airplane body reaches 20-40mm, the gap between the long rod type part and the structural part around the airplane needs to be checked, but because the support rod has no dimension scale mark, the steel plate ruler is used for measuring when the actual compression amount of the support rod is read each time, due to the narrowness and the particularity of the measurement space, the measurement is very difficult, and the error of the measurement result of each time is very large, so that the accuracy of the measurement data is greatly influenced.
In view of the reasons, the tool for measuring the allowance of the folding state of the long rod type part of the aircraft rocker arm is novel in structure, accurate in measurement data, high in precision, convenient to assemble and disassemble on the long rod type part and extremely simple to operate.
SUMMERY OF THE UTILITY MODEL
The problem to prior art exists, the utility model provides an aircraft rocking arm stock class part is received state surplus and is measured frock can adapt to narrow and small, special working space and carry out the stroke surplus of stock class part and measure, reads measured data in real time and guarantees various measured data's accuracy.
The technical scheme of the utility model is that:
a tool for measuring the allowance of a take-up state of a long rod part of an airplane rocker arm comprises a base 1, a first clamping plate 2, a circular outer sleeve 3, a circular inner sleeve 4, a cylindrical cambered surface measuring head 5, a spring 6, a limiting block 7, a tension adjusting plate 8, a jackscrew 9, a connecting screw 10, a position clamping plate 11, an adjusting bolt 12 and a second clamping plate 13;
the base 1 is flat, a round blind hole is formed in the center of the upper surface of the base, a cylindrical boss is arranged at the center of the bottom of the round blind hole, and an air hole is formed in the bottom of the round blind hole;
the round outer sleeve 3 is fixed in the blind hole of the base 1 through a jackscrew 9, and the jackscrew 9 is used for preventing the round outer sleeve 3 from falling off; a semicircular sliding groove is formed in the circular outer sleeve 3; the circular inner sleeve 4 is arranged inside the circular outer sleeve 3 through a limiting block 7, the circular inner sleeve 4 is in clearance fit with the circular outer sleeve 3, and the limiting block 7 is used for zero point limiting of the circular inner sleeve 4; the round inner sleeve 4 can slide up and down along a semicircular sliding groove in the round outer sleeve 3 under the action of external force; scale marks are carved on the outer surface of the circular inner sleeve 4 and used for displaying the normal displacement of the circular inner sleeve in real time; the upper end of the round inner sleeve 4 is provided with an external thread;
the cylindrical cambered surface measuring head 5 is provided with internal threads, is in threaded connection with the upper end of the circular inner sleeve 4, and accurately positions a starting point by adjusting the screwing amount of the cylindrical cambered surface measuring head 5;
one end of the spring 6 is fixed on a cylindrical boss at the bottom of the round blind hole of the base 1, and the other end of the spring is connected with the bottom end of the round inner sleeve 4 and used for zero point reset of the round inner sleeve 4;
the first clamping plate 2 and the second clamping plate 13 are plate-shaped, are respectively connected to the left end and the right end of the base 1 through connecting screws 10 and are vertically arranged with the base 1;
the tension adjusting plate 8 is plate-shaped and is connected to the second clamping plate 13 through an adjusting bolt 12 and used for clamping the adjusted tool;
the position clamping plate 11 is plate-shaped, one end of the position clamping plate is provided with a semicircular notch and is used for being clamped between the circular outer sleeve 3 and a support rod of a long rod part of the airplane rocker arm, and the position of the tooling is convenient to determine.
The base 1, the first clamping plate 2, the opening adjusting plate 8 and the second clamping plate 13 are made of aluminum alloy materials; the circular inner sleeve 4 and the cylindrical cambered surface measuring head 5 are made of stainless steel materials; the round outer sleeve 3 is made of copper.
The using method comprises the following steps:
(1) loosening an adjusting bolt 12 of a tension adjusting plate 8 to enable the distance between a clamping plate 2 and the tension adjusting plate 8 to be larger than the overall dimension of the long rod part of the airplane rocker arm, and then attaching a base 1 of the tool to the upper surface of the long rod part of the airplane rocker arm;
(2) moving the position of the tool, mounting a position clamping plate 11 between the circular outer sleeve 3 and a support rod of a long rod part of the airplane rocker arm to be in close contact, and then screwing an adjusting bolt 12 of a tension adjusting plate 8 to fix the tool;
(3) filling 5-10MP gas into the air cavity of the long rod type part of the aircraft rocker arm to enable the support rod in the air cavity to pop up;
(4) the method comprises the following steps that a support rod end of a long rod part of an airplane rocker arm is supported by using a movable tray until the support rod is contacted with an airplane body, the length of a cylindrical cambered surface measuring head 5 is adjusted at the moment to be contacted with the airplane body, and the zero position of the support rod is obtained at the moment;
(5) compressing the strut rod end of the long rod part of the airplane rocker arm by using the movable tray, synchronously compressing the circular inner sleeve 4 at the moment, visually observing the size scale mark of the circular inner sleeve 4, and calculating the compression amount of the strut rod of the long rod part of the airplane rocker arm by using the actual compression amount of the circular inner sleeve 4 through proportion calculation;
(6) when the compression amount of a support rod of the airplane rocker arm long rod part is at a specific numerical value between 20 mm and 40mm, measuring the gap between the airplane rocker arm long rod part and an airplane related structure through a measuring instrument;
(7) after the measurement is finished, the movable tray is used for restoring the long rod type part of the airplane rocker arm to the initial state, the tool is disassembled through the adjusting bolt of the loosening expansion adjusting plate 8, and the circular inner sleeve 4 automatically returns to zero under the action of the spring 6.
The utility model has the advantages that:
(1) the utility model discloses mechanical structure is novel, the cooperation is accurate, solves some rocking arm stock class part stroke surplus under the state of receiving on the aircraft by a wide margin owing to receive measuring space's restriction, and the difficult problem such as measured data inaccuracy that leads to.
(2) Whole measurement operation process is by clamping, measurement of this frock once, need not artifical external force auxiliary clamping, compares with artifical cooperation measuring device in the past, has alleviateed working strength, has improved work efficiency, and artificial measuring error falls to zero and has increased substantially measurement accuracy.
(3) Because the measuring position of the measuring device adopts the column-shaped cambered surface measuring head 5, the unique cambered surface measuring head can adapt to various complex measuring surfaces, the requirement of the measuring instrument on the measuring surfaces is relaxed, and the measuring range is enlarged.
(4) The circular outer sleeve 3 and the circular inner sleeve 4 are in clearance fit with each other by 0.01-0.02mm, so that the precise sliding and coaxiality of the circular outer sleeve and the circular inner sleeve are ensured, the parallelism of the axis of the measuring tool and the axis of the long rod part is further ensured, and the accuracy of measured data is further ensured.
Drawings
FIG. 1 is a schematic structural diagram of a tool for measuring the allowance of a long rod part of an airplane rocker arm in a folded state;
FIG. 2 is a schematic view of a position clamp;
in the figure: 1, a base; 2 a first splint; 3, a circular outer sleeve; 4, a circular inner sleeve; 5 column arc measuring head; 6, a spring; 7, a limiting block; 8-degree adjusting plates; 9, screwing; 10 connecting screws; 11 position snap-gauge; 12 adjusting the bolt; 13 second splint.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
As shown in fig. 1, the tool for measuring the allowance of the take-up state of long rod type parts of the airplane rocker arm comprises a base 1, a first clamping plate 2, a circular outer sleeve 3, a circular inner sleeve 4, a cylindrical cambered surface measuring head 5, a spring 6, a limiting block 7, a tension adjusting plate 8, a jackscrew 9, a connecting screw 10, a position clamping plate 11, an adjusting bolt 12 and a second clamping plate 13;
the base 1 is flat, a round blind hole is formed in the center of the upper surface of the base, a cylindrical boss is arranged at the center of the bottom of the round blind hole, and an air hole is formed in the bottom of the round blind hole;
the round outer sleeve 3 is fixed in the blind hole of the base 1 through a jackscrew 9, and the jackscrew 9 is used for preventing the round outer sleeve 3 from falling off; a semicircular sliding groove is formed in the circular outer sleeve 3; the circular inner sleeve 4 is arranged inside the circular outer sleeve 3 through a limiting block 7, the circular inner sleeve 4 is in clearance fit with the circular outer sleeve 3, and the limiting block 7 is used for zero point limiting of the circular inner sleeve 4; the round inner sleeve 4 can slide up and down along a semicircular sliding groove in the round outer sleeve 3 under the action of external force; scale marks are carved on the outer surface of the circular inner sleeve 4 and used for displaying the normal displacement of the circular inner sleeve in real time; the upper end of the round inner sleeve 4 is provided with an external thread;
the cylindrical cambered surface measuring head 5 is provided with internal threads, is in threaded connection with the upper end of the circular inner sleeve 4, and accurately positions a starting point by adjusting the screwing amount of the cylindrical cambered surface measuring head 5;
one end of the spring 6 is fixed on a cylindrical boss at the bottom of the round blind hole of the base 1, and the other end of the spring is connected with the bottom end of the round inner sleeve 4 and used for zero point reset of the round inner sleeve 4;
the first clamping plate 2 and the second clamping plate 13 are plate-shaped, are respectively connected to the left end and the right end of the base 1 through connecting screws 10 and are vertically arranged with the base 1;
the tension adjusting plate 8 is plate-shaped and is connected to the second clamping plate 13 through an adjusting bolt 12 and used for clamping the adjusted tool;
the position clamping plate 11 is plate-shaped, one end of the position clamping plate is provided with a semicircular notch and is used for being clamped between the circular outer sleeve 3 and a support rod of a long rod part of the airplane rocker arm, and the position of the tooling is convenient to determine.
The base 1, the first clamping plate 2, the opening adjusting plate 8 and the second clamping plate 13 are made of aluminum alloy materials; the circular inner sleeve 4 and the cylindrical cambered surface measuring head 5 are made of stainless steel materials; the round outer sleeve 3 is made of copper.
The using method comprises the following steps:
(1) loosening an adjusting bolt 12 of a tension adjusting plate 8 to enable the distance between a clamping plate 2 and the tension adjusting plate 8 to be larger than the overall dimension of the long rod part of the airplane rocker arm, and then attaching a base 1 of the tool to the upper surface of the long rod part of the airplane rocker arm;
(2) moving the position of the tool, mounting a position clamping plate 11 between the circular outer sleeve 3 and a support rod of a long rod part of the airplane rocker arm to be in close contact, and then screwing an adjusting bolt 12 of a tension adjusting plate 8 to fix the tool;
(3) filling 5-10MP gas into the air cavity of the long rod type part of the aircraft rocker arm to enable the support rod in the air cavity to pop up;
(4) the method comprises the following steps that a support rod end of a long rod part of an airplane rocker arm is supported by using a movable tray until the support rod is contacted with an airplane body, the length of a cylindrical cambered surface measuring head 5 is adjusted at the moment to be contacted with the airplane body, and the zero position of the support rod is obtained at the moment;
(5) compressing the strut rod end of the long rod part of the airplane rocker arm by using the movable tray, synchronously compressing the circular inner sleeve 4 at the moment, visually observing the size scale mark of the circular inner sleeve 4, and calculating the compression amount of the strut rod of the long rod part of the airplane rocker arm by using the actual compression amount of the circular inner sleeve 4 through proportion calculation;
(6) when the compression amount of a support rod of the airplane rocker arm long rod part is at a specific numerical value between 20 mm and 40mm, measuring the gap between the airplane rocker arm long rod part and an airplane related structure through a measuring instrument;
(7) after the measurement is finished, the movable tray is used for restoring the long rod type part of the airplane rocker arm to the initial state, the tool is disassembled through the adjusting bolt of the loosening expansion adjusting plate 8, and the circular inner sleeve 4 automatically returns to zero under the action of the spring 6.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (2)
1. The tool for measuring the allowance of the take-up state of the long rod part of the airplane rocker arm is characterized by comprising a base (1), a first clamping plate (2), a circular outer sleeve (3), a circular inner sleeve (4), a cylindrical cambered surface measuring head (5), a spring (6), a limiting block (7), a tension adjusting plate (8), a jackscrew (9), a connecting screw (10), a position clamping plate (11), an adjusting bolt (12) and a second clamping plate (13);
the base (1) is flat, a round blind hole is formed in the center of the upper surface of the base, a cylindrical boss is arranged at the center of the bottom of the round blind hole, and an air hole is formed in the bottom of the round blind hole;
the round outer sleeve (3) is fixed in the blind hole of the base (1) through a jackscrew (9), and the jackscrew (9) is used for preventing the round outer sleeve (3) from falling off; a semicircular sliding groove is formed in the circular outer sleeve (3); the round inner sleeve (4) is arranged inside the round outer sleeve (3) through a limiting block (7), the round inner sleeve (4) is in clearance fit with the round outer sleeve (3), and the limiting block (7) is used for zero point limiting of the round inner sleeve (4); the round inner sleeve (4) can slide up and down along a semicircular sliding groove in the round outer sleeve (3) under the action of external force; scale marks are engraved on the outer surface of the circular inner sleeve (4) and used for displaying the normal displacement of the circular inner sleeve in real time; the upper end of the round inner sleeve (4) is provided with an external thread;
the cylindrical cambered surface measuring head (5) is provided with internal threads, is in threaded connection with the upper end of the circular inner sleeve (4), and accurately positions a starting point by adjusting the screwing amount of the cylindrical cambered surface measuring head (5);
one end of the spring (6) is fixed on a cylindrical boss at the bottom of the round blind hole of the base (1), and the other end of the spring is connected with the bottom end of the round inner sleeve (4) and used for zero point reset of the round inner sleeve (4);
the first clamping plate (2) and the second clamping plate (13) are plate-shaped, are respectively connected to the left end and the right end of the base (1) through connecting screws (10), and are arranged perpendicular to the base (1);
the tension adjusting plate (8) is plate-shaped and is connected to the second clamping plate (13) through an adjusting bolt (12) and used for clamping the adjusted tool;
the position clamping plate (11) is plate-shaped, one end of the position clamping plate is provided with a semicircular notch and is used for being clamped between the circular outer sleeve (3) and a support rod of a long rod part of the airplane rocker arm, and the position of the tooling is convenient to determine.
2. The tool for measuring the allowance of the take-up state of the long rod part of the airplane swing arm according to claim 1, wherein the base (1), the first clamping plate (2), the tension adjusting plate (8) and the second clamping plate (13) are made of aluminum alloy materials; the circular inner sleeve (4) and the cylindrical cambered surface measuring head (5) are made of stainless steel materials; the round outer sleeve (3) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694873.5U CN209820363U (en) | 2019-05-16 | 2019-05-16 | Tool for measuring allowance of take-up state of long rod type part of airplane rocker arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694873.5U CN209820363U (en) | 2019-05-16 | 2019-05-16 | Tool for measuring allowance of take-up state of long rod type part of airplane rocker arm |
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| Publication Number | Publication Date |
|---|---|
| CN209820363U true CN209820363U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920694873.5U Active CN209820363U (en) | 2019-05-16 | 2019-05-16 | Tool for measuring allowance of take-up state of long rod type part of airplane rocker arm |
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| CN (1) | CN209820363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044236A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | The long component of rod category of aircraft rocker arm receives upper state surplus measurement tooling and its application method |
| CN114993668A (en) * | 2022-06-01 | 2022-09-02 | 沈阳飞机工业（集团）有限公司 | Idle stroke measuring instrument and method for operating lever transmission system |
-
2019
- 2019-05-16 CN CN201920694873.5U patent/CN209820363U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044236A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | The long component of rod category of aircraft rocker arm receives upper state surplus measurement tooling and its application method |
| CN110044236B (en) * | 2019-05-16 | 2024-04-16 | 沈阳飞机工业（集团）有限公司 | Tool for measuring residual quantity of receiving state of long rod type part of airplane rocker arm and application method thereof |
| CN114993668A (en) * | 2022-06-01 | 2022-09-02 | 沈阳飞机工业（集团）有限公司 | Idle stroke measuring instrument and method for operating lever transmission system |
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