CN209820339U - Non-contact type rocker arm part free stroke inspection measuring instrument - Google Patents
Non-contact type rocker arm part free stroke inspection measuring instrument Download PDFInfo
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- CN209820339U CN209820339U CN201920701606.6U CN201920701606U CN209820339U CN 209820339 U CN209820339 U CN 209820339U CN 201920701606 U CN201920701606 U CN 201920701606U CN 209820339 U CN209820339 U CN 209820339U
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- rocker arm
- pointer
- arm part
- clamping
- locking device
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Abstract
The utility model belongs to the technical field of machinery, a non-contact rocking arm class part free stroke inspection measuring apparatu is related to. The device comprises a clamping fixing device, a universal joint, a locking device, a spherical locking device, a dial plate clamping device, an Archimedes spiral dial, a synchronous pointer, a universal bearing locking device, a rocker arm part clamping device, a full-open hinge, a locking bolt, a pointer and a bearing. The universal joint, the locking device, the spherical locking device and the dial plate clamping device form a universal adjusting device which is used for adjusting the Archimedes spiral dial from multiple angles to a horizontal position; the universal bearing locking device, the full-open hinge, the rocker arm part clamping device and the locking screw are used for clamping the synchronous pointer on a measuring point of the rocker arm part and adjusting the pointer of the synchronous pointer to be coincident with the zero position of the Archimedes spiral dial. The utility model discloses the structure is nimble, and application scope is wide, and measurement accuracy is high, and dial plate and pointer can be adjusted in arbitrary angle.
Description
Technical Field
The utility model belongs to the technical field of machinery, a non-contact rocking arm class part free stroke inspection measuring apparatu is related to.
Background
In the process of aircraft production and manufacturing, all the operating devices are required to automatically return to the neutral position after movement, but each operating system is composed of mechanical components such as a mechanical hinge, a transmission rocker arm and a spring pull rod. Therefore, during the transmission process, the friction force of the relevant connecting part is overcome, and the automatic centering is realized under the condition of losing the external force operation. But is slightly different from the initial null position and we need to measure it. At present, the conventional method is that firstly, an artificial iron wire is wound on a measuring point of a rocker arm part, then, one end of the iron wire is used as a measuring pointer, a reference zero point is aligned on a steel plate ruler, the steel plate ruler is kept to be still, the rocker arm part is positively and reversely moved by an artificial external force in a specified direction, numerical values of a positive return position pointer and a negative return position pointer on the steel plate ruler are recorded, and a difference value is calculated for the two numerical values, so that the result is a free stroke numerical value of the rocker arm part in the direction. However, the following problems exist at present: (1) the part adopts an iron wire as a pointer and a steel plate ruler as a dial, and the track of the rocker arm part in the motion process is a curve, so that the pointer can be contacted with the steel plate ruler, the shape of the pointer is changed, and the accuracy of measured data is influenced finally; (2) in the whole measuring process, the steel plate ruler needs to be manually fixed to a certain position on the airplane by hands, the steel plate ruler can be moved away after the direction measurement is finished, and the position of the steel plate ruler can be changed by the manual factor, so that the measured data is inaccurate. (3) The measuring device avoids the motion track of the rocker arm part, so that the pointer keeps a certain distance from the steel plate ruler, and the phenomenon that numerical values are inaccurate when an operator reads data from different angles is avoided.
In view of the problems of inaccuracy of measured data caused by measuring equipment and human factors, the non-contact type rocker arm part free stroke inspection measuring instrument is invented, the measuring instrument is precise in structure and wide in measuring range, the multi-directional free stroke of the rocker arm part can be measured by clamping once, and the accuracy of the measured data can be improved by 10 times due to the fact that the measuring dial plate adopts the Archimedes spiral principle.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a non-contact type rocking arm class part free stroke inspection measuring apparatu can adapt to the more complicated measuring region, and application scope is wide, and measurement accuracy is high, has solved the inaccurate scheduling problem of measured data that human factor and measuring equipment defect caused in the past greatly.
The technical scheme of the utility model is that:
a non-contact type rocker arm part free stroke inspection measuring instrument comprises a clamping fixing device 1, a first universal joint 2, a locking device 3, a second universal joint 4, a spherical locking device 5, a dial plate clamping device 6, an Archimedes spiral dial 7, a synchronous pointer 8, a universal bearing locking device 9, a first rocker arm part clamping device 10, a full-open hinge 11, a second rocker arm part clamping device 12, a locking bolt 13, a pointer 14 and a bearing 15;
the clamping and fixing device 1 is in an inverted U shape, and the upper end of the clamping and fixing device is provided with an adjustable locking bolt for clamping and fixing the measuring instrument on a surrounding fixing structure of the rocker arm type part; one end of the first universal joint 2 is in threaded connection with the clamping and fixing device 1, the other end of the first universal joint is connected with one end of a second universal joint 4 through a locking device 3, and the other end of the second universal joint 4 is in threaded connection with a spherical locking device 5; the dial plate clamping device 6 is in threaded connection with the spherical locking device 5 and is used for clamping the Archimedes spiral dial 7; the first universal joint 2, the locking device 3, the second universal joint 4, the spherical locking device 5 and the dial clamping device 6 form a universal adjusting device which is used for adjusting the Archimedes spiral dial 7 from a plurality of angles to a horizontal position;
the Archimedes spiral dial 7 is disc-shaped, is marked with an Archimedes spiral and is provided with a pointer 14, and the bearing 15 is arranged on a central shaft at the lower end of the Archimedes spiral dial 7;
the universal bearing locking device 9, the first rocker arm part clamping device 10, the full-open hinge 11, the second rocker arm part clamping device 12 and the locking screw 13 are used for clamping the synchronous pointer 8 on a measuring point of the rocker arm parts, and the pointer of the synchronous pointer 8 is adjusted to be overlapped with the zero position of the Archimedes spiral dial 7 through the universal bearing locking device 9; the synchronous pointer 8 is arc-shaped, one end of the synchronous pointer is clamped in a bearing hole of the universal bearing locking device 9, the synchronous pointer 8 is adjusted to be parallel to the rocker arm type part, and the synchronous pointer 8 is locked by adjusting a screw of the universal bearing locking device 9; the universal bearing locking device 9 is fixedly connected with the first rocker arm part clamping device 10; the first rocker arm part clamping device 10 is connected with the second rocker arm part clamping device 12 through a full-open hinge 11, and is provided with a locking bolt 13 for opening and locking the first rocker arm part clamping device 10 and the second rocker arm part clamping device 12.
The using method comprises the following steps:
(1) adjusting a locking bolt 13 to enable the first rocker arm part clamping device 10 and the second rocker arm part clamping device 12 to be opened through a full-open hinge 11, clamping the rocker arm parts on a measuring point, and screwing down the locking bolt 13;
(2) adjusting a screw of the universal bearing locking device 9, clamping the synchronous pointer 8 in a bearing hole of the universal bearing locking device 9, adjusting the synchronous pointer 8 to be parallel to the rocker arm part in the normal direction, and then locking;
(3) adjusting a locking bolt of the clamping and fixing device 1, clamping the locking bolt on a surrounding fixing structure of the rocker arm type part, and then locking;
(4) clamping the shaft end of the Archimedes spiral dial 7 into a clamping hole of the dial clamping device 6, and then locking;
(5) according to the requirements of technical documents, applying a certain numerical value of acting force F1 to the positive direction, and then enabling the rocker arm type parts to automatically return to the middle;
(6) the Archimedes spiral dial 7 is ensured to be positioned at a horizontal position by adjusting the universal joint 2, the universal joint 4 and the spherical locking device 5, the central zero point of the Archimedes spiral dial is superposed with the synchronous pointer 8, and then the Archimedes spiral dial is locked by adjusting the locking device 3;
(7) according to the requirements of technical documents, applying a certain value of acting force F2 in the opposite direction, and then enabling the rocker arm type parts to automatically return to the middle;
(8) at this time, the Archimedes spiral dial 7 is rotated to enable the needle point of the synchronous pointer 8 to coincide with one point on the Archimedes spiral track of the Archimedes spiral dial 7, then the pointer 14 is rotated to enable the datum line on the pointer, the circle center of the Archimedes spiral dial 7 and the needle point of the synchronous pointer 8 to be on the same straight line, and the finally read numerical value is the free stroke of the rocker arm part in a certain direction.
The utility model has the advantages that:
(1) the utility model discloses a structure is nimble, and application scope is wide, and measurement accuracy is high, and dial plate and pointer can be adjusted in arbitrary angle, can adapt to the measurement zone of various complicacies, have avoided little space, the device is difficult for adjusting the defect greatly.
(2) Because the dial plate that this utility model patent adopted is Archimedes spiral principle, minimum measurement accuracy can reach 0.1mm, compares with former with steel plate ruler measurement accuracy, and its precision has improved 10 times.
(3) The utility model discloses an what patent archimedes spiral dial plate support adopted is that flexible spherical adjusts the joint, consequently can adjust the dial plate in arbitrary plane, has simplified the adjustment degree of difficulty, has increaseed the control range, compares with former measurement, and it is more convenient to measure numerical value and read.
(4) Because the utility model discloses a synchronous pointer 8 is dedicated appearance structure in fixed the adopting of rocking arm class part, can strictly guarantee the stability of 8 clamping of synchronous pointer.
(5) Because the archimedes spiral dial 7 and the synchronous pointer 8 of the utility model adopt detachable structures, the dials with different strokes and precisions can be selected according to different measuring ranges, areas and structures, thereby being suitable for various measuring environments.
Drawings
FIG. 1 is a schematic structural diagram of a non-contact type free stroke inspection measuring instrument for rocker arm parts;
FIG. 2(a) is a schematic top view of an Archimedes spiral dial;
FIG. 2(b) is a schematic side view of an Archimedes spiral dial;
FIG. 3 is a schematic structural diagram of a non-contact type free stroke checking and measuring instrument for rocker arm parts;
in the figure: 1, clamping and fixing a device; 2 a first universal joint; 3, locking device; 4 a second universal joint; 5 a ball locking device; 6 a dial clamping device; a 7 archimedes spiral dial; 8, synchronizing the pointers; 9, a universal bearing locking device; 10 a first rocker arm part clamp; 11, folding the whole page; 12 a second rocker arm part clamp; 13 locking the bolt; 14, a pointer; 15 bearing.
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, a non-contact type rocker arm part free stroke inspection measuring instrument comprises a clamping fixing device 1, a first universal joint 2, a locking device 3, a second universal joint 4, a spherical locking device 5, a dial clamping device 6, an archimedes spiral dial 7, a synchronous pointer 8, a universal bearing locking device 9, a first rocker arm part clamping device 10, a full-open hinge 11, a second rocker arm part clamping device 12, a locking bolt 13, a pointer 14 and a bearing 15;
the clamping and fixing device 1 is in an inverted U shape, and the upper end of the clamping and fixing device is provided with an adjustable locking bolt for clamping and fixing the measuring instrument on a surrounding fixing structure of the rocker arm type part; one end of the first universal joint 2 is in threaded connection with the clamping and fixing device 1, the other end of the first universal joint is connected with one end of a second universal joint 4 through a locking device 3, and the other end of the second universal joint 4 is in threaded connection with a spherical locking device 5; the dial plate clamping device 6 is in threaded connection with the spherical locking device 5 and is used for clamping the Archimedes spiral dial 7; the first universal joint 2, the locking device 3, the second universal joint 4, the spherical locking device 5 and the dial clamping device 6 form a universal adjusting device which is used for adjusting the Archimedes spiral dial 7 from a plurality of angles to a horizontal position;
the Archimedes spiral dial 7 is disc-shaped, is marked with an Archimedes spiral and is provided with a pointer 14, and the bearing 15 is arranged on a central shaft at the lower end of the Archimedes spiral dial 7;
the universal bearing locking device 9, the first rocker arm part clamping device 10, the full-open hinge 11, the second rocker arm part clamping device 12 and the locking screw 13 are used for clamping the synchronous pointer 8 on a measuring point of the rocker arm parts, and the pointer of the synchronous pointer 8 is adjusted to be overlapped with the zero position of the Archimedes spiral dial 7 through the universal bearing locking device 9; the synchronous pointer 8 is arc-shaped, one end of the synchronous pointer is clamped in a bearing hole of the universal bearing locking device 9, the synchronous pointer 8 is adjusted to be parallel to the rocker arm type part, and the synchronous pointer 8 is locked by adjusting a screw of the universal bearing locking device 9; the universal bearing locking device 9 is fixedly connected with the first rocker arm part clamping device 10; the first rocker arm part clamping device 10 is connected with the second rocker arm part clamping device 12 through a full-open hinge 11, and is provided with a locking bolt 13 for opening and locking the first rocker arm part clamping device 10 and the second rocker arm part clamping device 12.
The using method comprises the following steps:
(1) adjusting a locking bolt 13 to enable the first rocker arm part clamping device 10 and the second rocker arm part clamping device 12 to be opened through a full-open hinge 11, clamping the rocker arm parts on a measuring point, and screwing down the locking bolt 13;
(2) adjusting a screw of the universal bearing locking device 9, clamping the synchronous pointer 8 in a bearing hole of the universal bearing locking device 9, adjusting the synchronous pointer 8 to be parallel to the rocker arm part in the normal direction, and then locking;
(3) adjusting a locking bolt of the clamping and fixing device 1, clamping the locking bolt on a surrounding fixing structure of the rocker arm type part, and then locking;
(4) clamping the shaft end of the Archimedes spiral dial 7 into a clamping hole of the dial clamping device 6, and then locking;
(5) according to the requirements of technical documents, applying a certain numerical value of acting force F1 to the positive direction, and then enabling the rocker arm type parts to automatically return to the middle;
(6) the Archimedes spiral dial 7 is ensured to be positioned at a horizontal position by adjusting the universal joint 2, the universal joint 4 and the spherical locking device 5, the central zero point of the Archimedes spiral dial is superposed with the synchronous pointer 8, and then the Archimedes spiral dial is locked by adjusting the locking device 3;
(7) according to the requirements of technical documents, applying a certain value of acting force F2 in the opposite direction, and then enabling the rocker arm type parts to automatically return to the middle;
(8) at this time, the Archimedes spiral dial 7 is rotated to enable the needle point of the synchronous pointer 8 to coincide with one point on the Archimedes spiral track of the Archimedes spiral dial 7, then the pointer 14 is rotated to enable the datum line on the pointer, the circle center of the Archimedes spiral dial 7 and the needle point of the synchronous pointer 8 to be on the same straight line, and the finally read numerical value is the free stroke of the rocker arm part in a certain direction.
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 (1)
1. The non-contact rocker arm part free stroke inspection and measurement instrument is characterized by comprising a clamping and fixing device (1), a first universal joint (2), a locking device (3), a second universal joint (4), a spherical locking device (5), a dial plate clamping device (6), an Archimedes spiral dial (7), a synchronous pointer (8), a universal bearing locking device (9), a first rocker arm part clamping device (10), a full-open hinge (11), a second rocker arm part clamping device (12), a locking bolt (13), a pointer (14) and a bearing (15);
the clamping and fixing device (1) is of an inverted U shape, and the upper end of the clamping and fixing device is provided with an adjustable locking bolt for clamping and fixing the measuring instrument on a surrounding fixing structure of the rocker arm type part; one end of the first universal joint (2) is in threaded connection with the clamping fixing device (1), the other end of the first universal joint is connected with one end of a second universal joint (4) through a locking device (3), and the other end of the second universal joint (4) is in threaded connection with a spherical locking device (5); the dial plate clamping device (6) is in threaded connection with the spherical locking device (5) and is used for clamping the Archimedes spiral dial (7); the universal adjusting device is composed of a first universal joint (2), a locking device (3), a second universal joint (4), a spherical locking device (5) and a dial plate clamping device (6) and is used for adjusting the Archimedes spiral dial (7) to a horizontal position from multiple angles;
the Archimedes spiral dial (7) is disc-shaped, is marked with an Archimedes spiral and is provided with a pointer (14), and the bearing (15) is arranged on a central shaft at the lower end of the Archimedes spiral dial (7);
the universal bearing locking device (9), the first rocker arm part clamping device (10), the full-open hinge (11), the second rocker arm part clamping device (12) and the locking screw (13) are used for clamping the synchronous pointer (8) on a measuring point of the rocker arm part, and the pointer of the synchronous pointer (8) is adjusted to be coincident with the zero position of the Archimedes spiral dial (7) through the universal bearing locking device (9); the synchronous pointer (8) is arc-shaped, one end of the synchronous pointer is clamped in a bearing hole of the universal bearing locking device (9), the synchronous pointer (8) is adjusted to be parallel to the rocker arm type part, and the synchronous pointer (8) is locked by adjusting a screw of the universal bearing locking device (9); the universal bearing locking device (9) is fixedly connected with the first rocker arm part clamping device (10); the first rocker arm part clamping device (10) is connected with the second rocker arm part clamping device (12) through a full-open hinge (11), and is provided with a locking bolt (13) for opening and locking the first rocker arm part clamping device (10) and the second rocker arm part clamping device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701606.6U CN209820339U (en) | 2019-05-16 | 2019-05-16 | Non-contact type rocker arm part free stroke inspection measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701606.6U CN209820339U (en) | 2019-05-16 | 2019-05-16 | Non-contact type rocker arm part free stroke inspection measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820339U true CN209820339U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920701606.6U Active CN209820339U (en) | 2019-05-16 | 2019-05-16 | Non-contact type rocker arm part free stroke inspection measuring instrument |
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| Country | Link |
|---|---|
| CN (1) | CN209820339U (en) |
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2019
- 2019-05-16 CN CN201920701606.6U patent/CN209820339U/en active Active
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