CN212253975U - Variable jumbo size measuring device - Google Patents
Variable jumbo size measuring device Download PDFInfo
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- CN212253975U CN212253975U CN202021089554.0U CN202021089554U CN212253975U CN 212253975 U CN212253975 U CN 212253975U CN 202021089554 U CN202021089554 U CN 202021089554U CN 212253975 U CN212253975 U CN 212253975U
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Abstract
The utility model belongs to the technical field of aviation, a variable large-size measuring device is disclosed, which comprises a dial indicator, a rod body, a mandril, a first clamp and a second clamp, wherein the dial indicator is fixed on a relative motion workpiece through the second clamp; the quick-release rod is made of high-strength and light materials, is used for reducing weight, and is convenient to disassemble and assemble, the thread pitch of the threads at two ends is larger, and the number of the threads is less by about 2-3 threads; the device has the advantages of simple structure, light weight and convenient quick clamping, realizes adjustable length and quick assembly through the quick-release rod and the quick-release connector, realizes convenient carrying, is suitable for field fault elimination, and is particularly suitable for measuring large size, high-precision movable clearance and shaking amount under various working conditions of a field.
Description
Technical Field
The utility model belongs to the technical field of the aviation assembly, a variable jumbo size measuring device is related to.
Background
The wing flap of a certain airplane in China is in a structure form of a slide rail and a pulley yoke, the wing flap pulley yoke is fixedly connected with the slide rail, and a wing flap driving mechanism drives the wing and the pulley yoke to move along the slide rail. In order to ensure that the flap can normally slide along the slide rail after being manufactured and assembled, a movable gap is reserved between the slide rail and the flap during design. However, in the initial design of the movable gap, the conditions of loading and gap superposition of the flap in the air are not considered, so that the flap and the flap cabin are frequently worn after the airplane flies, and therefore, the gap value between the sliding rail and the pulley frame and the flap in-air deformation amount need to be measured, and the fit point between the sliding rail and the pulley frame is designed. However, the existing measuring device is difficult to accurately measure the deformation of the flap at any angle.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a variable jumbo size measuring device for the deflection that accurate measurement flap receive and releases arbitrary angle.
The technical scheme of the utility model is that: a variable large-size measuring device comprises a dial indicator, a rod body, an ejector rod, a first clamp and a second clamp, wherein the dial indicator is fixed on a relative motion workpiece through the second clamp, the rod body is fixed on the measured workpiece through the first clamp, the ejector rod is connected onto the rod body, a push rod parallel to the rod body is arranged on the ejector rod, and the push rod is in lap joint with a measuring head of the dial indicator.
Further, still include that multi-purpose swift presss from both sides, the percentage table centre gripping is on multi-purpose swift clamp, and multi-purpose swift clamp other end and second clip fixed connection are equipped with the U type on the multi-purpose swift clamp and support, and the U profile and the body of rod contact that the U type supported. Carry out the overlap joint with the percentage table and the body of rod, can increase the fixed point of a percentage table to this degree of stability that promotes the percentage table promotes measurement accuracy.
Furthermore, the U-shaped surface of the U-shaped support is smooth, and the contact part of the rod body and the U-shaped support is smooth.
Furthermore, the multipurpose quick clamp is provided with a fixed clamp, a movable block, a butterfly nut and a nut, the dial indicator is clamped between the fixed clamp and the movable block, and the butterfly nut and the nut are matched with the movable block to fasten the dial indicator.
Further, still include the bracket, bracket one end is connected with first clip, and the body of rod is connected to the other end, and the direction of connection of bracket and the body of rod is the same with the flap motion direction of measurement.
Furthermore, the rod body comprises a plurality of quick-release connectors and a plurality of quick-release rods, and the quick-release rods are assembled together through the quick-release connectors. The length of the lever body can be set according to the distance between the flap and the relative movement.
The utility model has the advantages that: the quick assembly and disassembly are realized and simultaneously the transmission of large-size relative movement is also realized through the quick disassembly rod, the quick disassembly joint and the large-pitch small thread number on the bracket; the measuring device is rapidly clamped on the surface of a workpiece through the clamp; the quick clamping of the quick-release rod and the multipurpose quick clamp is realized through the U-shaped support; the multipurpose quick clamp and the dial indicator are quickly clamped through the fixing clamp, the movable block, the butterfly nut and the nut; high-precision measurement is realized through the dial indicator 1; by analyzing and calculating the weight of the device and the force of the measured workpiece, the weight of the measuring device is greatly reduced under the condition of realizing the measuring function; the device has simple structure, convenient disassembly and assembly and convenient carrying; the device is particularly suitable for measuring large-size and high-precision movable clearance and shaking amount under various working conditions of an external field.
Drawings
FIG. 1 is a measurement schematic of the measurement device of the present invention;
FIG. 2 is a schematic view of a multipurpose quick clamp according to an embodiment of the present invention;
wherein: 1-dial indicator, 2-multipurpose quick clamp, 3-ejector rod, 4-quick-release connector, 5-quick-release rod, 6-1-first clamp, 6-2-second clamp, 7-bracket, 8-relative motion workpiece, and 9-measured workpiece; 2 a-fixed clamp, 2 b-movable block, 2 c-butterfly nut, 2 d-nut, 2 e-U type support.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.
A variable large-size measuring device comprises a dial indicator 1, a rod body, a push rod 3, a first clamp 6-1 and a second clamp 6-2, wherein the dial indicator 1 is fixed on a relative motion workpiece 8 through the second clamp 6-2, the rod body is fixed on a workpiece 9 to be measured through the first clamp 6-1, the push rod 3 is connected onto the rod body, a push rod parallel to the rod body is arranged on the push rod 3, and the push rod is in lap joint with a measuring head of the dial indicator 1.
Still include multi-purpose swift press from both sides 2, the centre gripping of percentage table 1 is on multi-purpose swift pressing from both sides 2, and multi-purpose swift 2 other ends of pressing from both sides are 6-2 fixed connection with the second clip, and multi-purpose swift 2 is equipped with the U type on pressing from both sides 2 and supports 2e, and the U type supports 2 e's U profile and the body of rod contact. Carry out the overlap joint with the percentage table and the body of rod, can increase the fixed point of a percentage table to this degree of stability that promotes the percentage table promotes measurement accuracy.
The U-shaped surface of the U-shaped support 2e is smooth, and the contact part of the rod body and the U-shaped support 2e is smooth.
Be equipped with fixation clamp 2a, movable block 2b, butterfly nut 2c, nut 2d on the multi-purpose swift clamp 2, the centre gripping of percentage table 1 is between fixation clamp 2a and movable block 2b, and butterfly nut 2c and nut 2d cooperate movable block 2b fastening percentage table 1.
The flap measurement device is characterized by further comprising a bracket 7, wherein one end of the bracket 7 is connected with the first clamp 6-1, the other end of the bracket 7 is connected with the rod body, and the connecting direction of the bracket 7 and the rod body is the same as the movement direction of the flap to be measured.
The rod body comprises a plurality of quick-release joints 4 and a plurality of quick-release rods 5, and the quick-release rods 5 are assembled together through the quick-release joints 4. The length of the lever body can be set according to the distance between the flap and the relative movement.
Another embodiment of the present invention is described below with reference to the drawings.
The second clamp 6-2 is clamped on a relative movement workpiece 8 serving as a reference, the first clamp 6-1 is clamped on a workpiece 9 to be detected, the middle part of the second clamp 6-2 is connected with the multipurpose fast clamp 2, and the first clamp 6-1 is connected with the bracket 7; one end of the multipurpose fast clamp 2 is connected with a second clamp 6-2, the middle part of the multipurpose fast clamp is contacted with the quick-release rod 5 through a U-shaped support 2e, or the middle part of the multipurpose fast clamp is contacted with the quick-release rod 5 through a circular support, and the other end of the multipurpose fast clamp is used for clamping the dial indicator 1 through a fixed clamp 2a, a movable block 2b, a butterfly nut 2c and a nut 2 d; one end of the quick release rod 5 is contacted with the U-shaped support 2e on the multipurpose quick clamp 2, or one end of the quick release rod 5 is contacted with the circular ring-shaped support of the multipurpose quick clamp 2; the middle part of the rod body is provided with a mandril 3 which is contacted with the dial indicator 1, the other end of the rod body is in threaded connection with a bracket 7 through threads on a quick-release rod 5, and the quick-release rod 5 increases or shortens the length of the quick-release rod 5 by increasing or decreasing the number of quick-release joints 4 and quick-release rods 5; the bracket 7 is connected to the clip 6.
The clamping surfaces of the first clamp 6-1 and the second clamp 6-2 are designed with anti-skid teeth or knurls and the like, the quick-release rod 5 is made of high-strength and light materials and used for reducing weight, and in order to facilitate disassembly and assembly, the two ends are designed with larger thread pitches, and the number of threads is less by about 2-3 threads.
The utility model discloses a concrete implementation process as follows:
the first step is as follows: applying a specified measuring force to a specified position on the workpiece 9 to be measured along a vertical upward or downward direction;
the second step is that: the micro displacement generated by the workpiece 9 to be measured is transmitted to the dial indicator 1 through the clamp 6, the bracket 7, the quick-release rod 5 and the ejector rod 3;
the third step: reading the values before and after the dial indicator 1, and calculating the variation of the values before and after the dial indicator is measured; adding the upward variation and the downward variation of the numerical value to obtain a measured value;
and the third step is to read out the lower limit position value of the dial indicator 1, read out the upper limit position value of the dial indicator 1, and then subtract the reading of the dial indicator 1 at the lower limit position from the reading of the dial indicator 1 at the upper limit position to obtain the measured value.
Claims (6)
1. The variable large-size measuring device is characterized by comprising a dial indicator (1), a rod body, a push rod (3), a first clamp (6-1) and a second clamp (6-2), wherein the dial indicator (1) is fixed on a relative motion workpiece (8) through the second clamp (6-2), the rod body is fixed on a workpiece to be measured (9) through the first clamp (6-1), the push rod (3) is connected onto the rod body, a push rod parallel to the rod body is arranged on the push rod (3), and the push rod is in lap joint with a measuring head of the dial indicator (1).
2. A variable large-size measuring device according to claim 1, further comprising a multipurpose shortcut clamp (2), wherein the dial indicator (1) is clamped on the multipurpose shortcut clamp (2), the other end of the multipurpose shortcut clamp (2) is fixedly connected with a second clamp (6-2), a U-shaped support (2e) is arranged on the multipurpose shortcut clamp (2), and a U-shaped surface of the U-shaped support (2e) is in contact with the rod body.
3. A variable-dimension measuring device according to claim 2, wherein the U-shape of the U-shaped support (2e) is smooth, and the contact portion of the rod body with the U-shaped support (2e) is smooth.
4. A variable-size measuring device according to claim 2, wherein the multipurpose shortcut clamp (2) is provided with a fixed clamp (2a), a movable block (2b), a butterfly nut (2c) and a nut (2d), the dial indicator (1) is clamped between the fixed clamp (2a) and the movable block (2b), and the butterfly nut (2c) and the nut (2d) are matched with the movable block (2b) to fasten the dial indicator (1).
5. A variable-dimension measuring device according to claim 1, further comprising a bracket (7), wherein one end of the bracket (7) is connected with the first clamp (6-1), the other end is connected with the rod body, and the connecting direction of the bracket (7) and the rod body is the same as the movement direction of the flap to be measured.
6. A variable-dimension measuring device according to claim 1, wherein said rod body comprises a plurality of quick-release couplings (4) and a plurality of quick-release rods (5), said plurality of quick-release rods (5) being assembled together by means of said quick-release couplings (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089554.0U CN212253975U (en) | 2020-06-12 | 2020-06-12 | Variable jumbo size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089554.0U CN212253975U (en) | 2020-06-12 | 2020-06-12 | Variable jumbo size measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212253975U true CN212253975U (en) | 2020-12-29 |
Family
ID=73987265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021089554.0U Active CN212253975U (en) | 2020-06-12 | 2020-06-12 | Variable jumbo size measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212253975U (en) |
-
2020
- 2020-06-12 CN CN202021089554.0U patent/CN212253975U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province Patentee after: Shaanxi Aircraft Industry Co.,Ltd. Address before: 723213 box 34, Hanzhong City, Shaanxi Province Patentee before: Shaanxi Aircraft INDUSTRY(GROUP) Co.,Ltd. |
|
| CP03 | Change of name, title or address |