CN218443710U - Stay wire displacement sensor precision detection device - Google Patents
Stay wire displacement sensor precision detection device Download PDFInfo
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- CN218443710U CN218443710U CN202222155160.6U CN202222155160U CN218443710U CN 218443710 U CN218443710 U CN 218443710U CN 202222155160 U CN202222155160 U CN 202222155160U CN 218443710 U CN218443710 U CN 218443710U
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- guide rail
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Abstract
The utility model relates to the technical field of precision detection, a stay wire displacement sensor precision detection device is disclosed, through controlling the height of a lifting platform, the position of a tray on an X-direction track, and shooting a stay cord through a camera, and in the control system, the parallelism of the stay cord and the Y-direction track is compared in an auxiliary way, the stay wire displacement sensor installed on the tray is aligned with an interface fixture, the accurate positioning of the center of the stay cord is realized, and the Abbe error measured by the stay wire displacement sensor is reduced to the maximum extent; the position of the sliding table on the Y-direction track is adjusted by a Y-direction servo driving mechanism so as to realize the precision detection of the pull wire displacement sensor; meanwhile, a control system is adopted to control the Y-direction servo driving mechanism so as to accurately control the position of the sliding table on the Y-direction guide rail, and zero position and full position setting and adjustment are facilitated; the clamping of the pull rope free ends of pull rope displacement sensors of different models can be realized through the replaceable interface clamps of different models.
Description
Technical Field
The utility model relates to a precision detection technical field, specific displacement sensor precision detection device acts as go-between that says so for the precision detection of the displacement of acting as go-between of the different mechanical structure of polytype, different electrical structure.
Background
The conventional detection device for the wire pulling displacement sensor mostly adjusts the zero position or the full position through mechanical alignment, and if the zero position is manually adjusted in the debugging process, the problem of out-of-tolerance or poor error consistency exists when the wire pulling displacement sensor is detected again after the debugging detection is finished due to overlarge adjusting force. Meanwhile, the detection results of different detection devices have larger deviation, so that the accuracy consistency of the displacement sensor of the wire drawing is poor. With the continuous updating of the technology, the accuracy requirement of the wire pulling displacement sensor used on the aircraft is higher and higher, and the higher accuracy requirement is provided for the debugging and the inspection of the wire pulling displacement sensor. The detection requirements of the stay wire displacement sensors in different forms, such as a current output type, dial indication, a resistance output type, a voltage output type, a frequency output type and the like, are different; different detection devices are also required for different mechanical interfaces, different electrical interfaces, different zero or full positions, etc.
Therefore, a pull wire displacement sensor detection device capable of satisfying the above detection requirements is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stay wire displacement sensor precision detection device aiming at the above-mentioned needs and the defects of the prior art, the stay cord central position of the stay wire displacement sensor is adjusted through the guide rail and the lead screw, then the picture is taken through the camera, the control system is used for judging the parallelism degree of the stay cord and the Y-direction track in an auxiliary way, and the position of the free end of the stay cord is adjusted in real time, so as to reduce the Abbe error to the maximum extent; the zero position and the full position of the stay wire displacement sensor are adjusted by controlling the Y-direction servo driving mechanism through the control system, and the precision can reach the micron level; the interface clamp is additionally arranged to adapt to pull ropes with different diameters; the linear displacement preventing process is controlled by a pull wire displacement sensor and a control system in the servo motor, so that the pull wire is prevented from being broken.
The utility model discloses a following technical scheme realizes:
a stay wire displacement sensor precision detection device comprises: the device comprises a base, a lifting mechanism, an X-direction moving mechanism, a Y-direction moving mechanism, a camera and a control system;
the lifting mechanism comprises a longitudinal guide rail, a lifting platform and a longitudinal driving mechanism, the longitudinal guide rail is vertically fixed on the base, the lifting platform is arranged along the longitudinal guide rail in a reciprocating manner, and the longitudinal driving mechanism is in driving connection with the lifting platform so as to drive the lifting platform to move along the longitudinal guide rail;
the X-direction moving mechanism comprises an X-direction guide rail, an X-direction sliding block, an X-direction driving mechanism and a tray, the X-direction guide rail is fixedly installed on the lifting platform, the X-direction sliding block is arranged along the X-direction guide rail in a reciprocating manner, the X-direction driving mechanism is in driving connection with the X-direction sliding block so as to drive the X-direction sliding block to move along the X-direction guide rail, and the tray used for installing a stay wire displacement sensor to be detected is installed on the X-direction sliding block;
the Y-direction moving mechanism comprises a Y-direction guide rail, a sliding table, a Y-direction servo driving mechanism and an interface clamp, the Y-direction guide rail laid on the base is perpendicular to the X-direction guide rail, the sliding table is arranged along the Y-direction guide rail in a reciprocating manner, the Y-direction servo driving mechanism is in driving connection with the sliding table so as to drive the sliding table to move along the Y-direction guide rail, the interface clamp is arranged on one side of the sliding table, which faces the tray, and is used for fixing the pull rope;
the sliding table is fixedly provided with a camera which is connected with the control system, and the control system is connected with the Y-direction servo driving mechanism.
In order to realize better the utility model discloses, furtherly, vertical actuating mechanism includes roof, vertical lead screw, vertical screw nut, vertical hand wheel and vertical locker, the roof mount is located the top of longitudinal rail, the bottom segment of vertical lead screw rotate install in the base, vertical lead screw constitutes screw nut with vertical screw nut of fixed mounting on lift platform is vice, the kicking block of vertical lead screw rotate install in the roof rotates, vertical lead screw kicking block fixed mounting has vertical hand wheel, be equipped with on the roof and be used for the restriction vertical screw pivoted vertical locker.
In order to better realize the utility model discloses, further, first lateral wall and the second lateral wall that has mutual parallel arrangement on the tray, the first lateral wall outside is equipped with hold-down mechanism, hold-down mechanism is including compressing tightly the hand wheel, compressing tightly lead screw and compression push rod, compressing tightly the hand wheel fixed mounting in compressing tightly lead screw's outer end, compressing tightly lead screw constitutes screw nut pair with the compression lead screw nut who installs on first lateral wall, and the compression push rod that is located compressing tightly lead screw the inner passes through-hole on the first lateral wall.
In order to realize better the utility model discloses, further, X includes to lead screw, X to screw nut, X to hand wheel, X to the locker to actuating mechanism, X to the rotation of lead screw install in on the lift platform, X is to lead screw and fixed mounting X is to forming screw nut pair to screw nut on the slider, X is to the one end fixed mounting of lead screw X to the hand wheel, be equipped with on the lift platform and be used for the restriction X is to screw pivoted X to the locker.
In order to realize better the utility model discloses, further, Y includes fixed Y to lead screw, Y to screw nut and servo motor to servo actuating mechanism, Y to the lead screw with the base rotates to be connected, Y to lead screw and fixed mounting Y on the slip table constitutes screw nut pair to screw nut, fixed mounting in output shaft on the base with Y is connected to the one end transmission of lead screw.
In order to better realize the utility model discloses, further, the interface anchor clamps orientation one side of tray is the cardboard of vertical setting, the cardboard has and is used for the card to hold the first draw-in groove of stay cord free end, there is splint along draw-in groove length direction sliding connection on the cardboard, correspond on the splint be equipped with the second draw-in groove that first draw-in groove size is the same, in order to pass through splint with the relative sliding adjustment first draw-in groove of cardboard, the through-hole size that the second draw-in groove overlapped and forms.
In order to realize better the utility model discloses, furtherly, control system includes image processing module, display device, motor control module, camera signal output port respectively with image processing module signal input port, display device signal input port connection, image processing module's signal output port respectively with display device signal input port, motor control module signal output port with servo motor signal input port connection.
In order to better realize the utility model discloses, further, Y is to installing limit switch on the guide rail, limit switch establishes ties on servo motor's the power cord.
In order to better realize the utility model discloses, further, control system still including be used for with the sensing signal collection system that displacement sensor signal output part of acting as go-between is connected.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model provides a stay wire displacement sensor precision detection device, through controlling the lift platform height, the position of tray on X to the track, and shoot the stay cord through the camera, and in the supplementary contrast stay cord of control system and the parallelism of Y to the track, aim at the stay wire displacement sensor of installation on the tray with the interface fixture, realize the accurate location in stay cord center, reduce the abbe error that the stay wire displacement sensor measured to the utmost extent; the position of the sliding table on the Y-direction track is adjusted by a Y-direction servo driving mechanism so as to realize the precision detection of the pull wire displacement sensor; meanwhile, a control system is adopted to control the Y-direction servo driving mechanism so as to accurately control the position of the sliding table on the Y-direction guide rail, and the zero position and the full position are conveniently set and adjusted; the clamping of the free ends of the pull ropes of the pull rope displacement sensors of different models can be realized through the replaceable interface clamps of different models.
Drawings
The technical solutions described below will be clearly and completely described with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
Fig. 1 is a schematic structural view of a precision detecting device for a stay wire displacement sensor provided by the present invention;
fig. 2 is a schematic structural view of the interface fixture of the present invention.
Wherein: 1. a base; 2. a longitudinal guide rail; 3. a lifting platform; 4. a top plate; 5. a longitudinal lead screw; 6. a longitudinal hand wheel; 7. a longitudinal locker; 8. an X-direction guide rail; 9. an X-direction sliding block; 10. a screw rod in the X direction; 11. an X-direction hand wheel; 12. an X-direction locker; 13. a tray; 14. pressing the hand wheel; 15. compressing the push rod; 16. a Y-direction guide rail; 17. a sliding table; 18. a Y-direction lead screw; 19. a servo motor; 20. a camera; 21. a control system; 22. an interface fixture; 221. clamping a plate; 2211. a first card slot; 222. a splint; 2221. and a second card slot.
Detailed Description
The above-mentioned aspects of the present invention will be further described in detail with reference to the following embodiments. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples only. Various substitutions and modifications according to the common technical knowledge and the conventional means in the field without departing from the technical idea of the invention are included in the scope of the invention.
Example 1:
the present embodiment provides a precision detecting device for a pull wire displacement sensor, as shown in fig. 1 and 2, including: the device comprises a base 1, a lifting mechanism, an X-direction moving mechanism, a Y-direction moving mechanism, a camera 20 and a control system 21;
the lifting mechanism comprises a longitudinal guide rail 2, a lifting platform 3 and a longitudinal driving mechanism, wherein the longitudinal guide rail 2 is vertically fixed on the base 1, the lifting platform 3 is arranged along the longitudinal guide rail 2 in a reciprocating manner, and the longitudinal driving mechanism is in driving connection with the lifting platform 3 so as to drive the lifting platform 3 to move along the longitudinal guide rail 2;
the X-direction moving mechanism comprises an X-direction guide rail 8, an X-direction slider 9, an X-direction driving mechanism and a tray 13, the X-direction guide rail 8 is fixedly installed on the lifting platform 3, the X-direction slider 9 is arranged along the X-direction guide rail 8 in a reciprocating manner, the X-direction driving mechanism is in driving connection with the X-direction slider 9 so as to drive the X-direction slider 9 to move along the X-direction guide rail 8, and the tray 13 used for installing a stay wire displacement sensor to be detected is installed on the X-direction slider 9;
the Y-direction moving mechanism comprises a Y-direction guide rail 16, a sliding table 17, a Y-direction servo driving mechanism and an interface clamp 22, the Y-direction guide rail 16 laid on the base 1 is perpendicular to the X-direction guide rail 8, the sliding table 17 is arranged along the Y-direction guide rail 16 in a reciprocating manner, the Y-direction servo driving mechanism is in driving connection with the sliding table 17 to drive the sliding table 17 to move along the Y-direction guide rail 16, the interface clamp 22 is arranged on one side of the sliding table 17, which faces the tray 13, and the interface clamp 22 is used for fixing a pull rope;
the sliding table 17 is fixedly provided with a camera 20, the camera 20 is connected with the control system 21, and the control system 21 is connected with the Y-direction servo driving mechanism.
The lifting guide rail, the X-direction guide rail and the Y-direction guide rail in the embodiment are mutually vertical in two in space.
In the embodiment, the height of the lifting platform 3 and the position of the tray 13 on the X-direction track are controlled, the pull rope is shot through the camera 20, the parallelism between the pull rope and the Y-direction track 16 is compared in an auxiliary way through the control system 21, the pull rope displacement sensor arranged on the tray 13 is aligned with the interface clamp 22, the center of the pull rope is accurately positioned, and the Abbe error measured by the pull rope displacement sensor is reduced to the maximum extent; the position of the sliding table 17 on the Y-direction track is adjusted by a Y-direction servo driving mechanism so as to realize the precision detection of the pull wire displacement sensor; meanwhile, the control system 21 is adopted to control the Y-direction servo driving mechanism so as to accurately control the position of the sliding table 17 on the Y-direction guide rail 16, and the zero position and the full position are conveniently set and adjusted; the clamping of the free end of the pull rope displacement sensor with different models is realized by replacing the interface clamp 22 with different models.
Example 2:
the embodiment is further optimized and realized on the basis of embodiment 1, as shown in fig. 1, the longitudinal driving mechanism comprises a top plate 4, a longitudinal screw 5 nut, a longitudinal hand wheel 6 and a longitudinal locker 7, the top plate 4 is fixedly arranged on the top end of the longitudinal guide rail 2, the bottom section of the longitudinal screw 5 is rotatably arranged on the base 1, the longitudinal screw 5 and the longitudinal screw 5 nut fixedly arranged on the lifting platform 3 form a screw nut pair, the top section of the longitudinal screw 5 is rotatably arranged on the top plate 4, the longitudinal hand wheel 6 is fixedly arranged on the top section of the longitudinal screw 5, and the longitudinal locker 7 for limiting the rotation of the longitudinal screw 5 is arranged on the top plate 4.
The rest of the present embodiment is the same as embodiment 1, and thus, the description thereof is omitted.
Example 3:
the embodiment is further optimized and realized on the basis of embodiment 1, as shown in fig. 1, a first side wall and a second side wall which are parallel to each other are arranged on the tray 13, a pressing mechanism is arranged on the outer side of the first side wall, the pressing mechanism comprises a pressing hand wheel 14, a pressing lead screw and a pressing push rod 15, the pressing hand wheel 14 is fixedly installed at the outer end of the pressing lead screw, the pressing lead screw and a pressing lead screw nut installed on the first side wall form a lead screw nut pair, and the pressing push rod 15 located at the inner end of the pressing lead screw penetrates through a through hole in the first side wall.
The rest of the present embodiment is the same as embodiment 1, and thus, the description thereof is omitted.
Example 4:
this implementation is further optimized and realized on the basis of embodiment 1, as shown in fig. 1, the X-direction driving mechanism includes X-direction lead screw 10, X-direction lead screw 10 nut, X-direction hand wheel 11, and X-direction locker 12, the X-direction lead screw 10 is installed on the lifting platform 3 in a rotating manner, the X-direction lead screw 10 and the X-direction lead screw 10 nut fixedly installed on the X-direction slider 9 form a lead screw nut pair, the X-direction hand wheel 11 is fixedly installed at one end of the X-direction lead screw 10, and the lifting platform 3 is provided with the X-direction locker 12 for limiting the X-direction lead screw 10 to rotate.
The rest of the present embodiment is the same as embodiment 1, and thus, the description thereof is omitted.
Example 5:
this implementation is further optimized and realized on the basis of embodiment 1, as shown in fig. 1, Y is to servo drive mechanism including fixed Y to lead screw 18, Y to lead screw 18 nut and servo motor 19, Y to lead screw 18 with base 1 rotates and is connected, Y to lead screw 18 and fixed mounting Y on slip table 17 to lead screw 18 nut constitution lead screw nut pair, fixed mounting servo motor 19 on base 1 in the output shaft with Y to the one end transmission of lead screw 18 is connected.
The rest of the present embodiment is the same as embodiment 1, and thus, the description thereof is omitted.
Example 6:
the implementation is further optimized and implemented on the basis of embodiment 1, as shown in fig. 2, one side of the interface fixture 22 facing the tray 13 is a vertically arranged clamping plate 221, the clamping plate 221 has a first clamping groove 2211 for clamping a free end of a pull rope, a clamping plate 222 is slidably connected to the clamping plate 221 along a length direction of the clamping groove, a second clamping groove 2221 having the same size as the first clamping groove 2211 is correspondingly arranged on the clamping plate 222, so that a through hole formed by overlapping the first clamping groove 2211 and the second clamping groove 2221 is adjusted by relative sliding between the clamping plate 222 and the clamping plate 221.
The rest of the present embodiment is the same as embodiment 1, and thus, description thereof is omitted.
Example 7:
this implementation is further optimized and realized on the basis of embodiment 6, as shown in fig. 1, control system 21 includes image processing module, display device, motor control module, camera 20 signal output port respectively with image processing module signal input port, display device signal input port connection, image processing module's signal output port respectively with display device signal input port, motor control module signal output port with servo motor 19 signal input port connection.
And a limit switch is arranged on the Y-direction guide rail 16 and is connected in series with a power line of the servo motor 19.
The control system 21 further comprises a sensing signal acquisition device connected with the signal output end of the stay wire displacement sensor, and the sensing signal acquisition device is connected with the motor controller.
The rest of this implementation is the same as embodiment 6, and therefore, the description is omitted.
The above, only the preferred embodiment of the present invention is not intended to be a limitation of the present invention in any form, and all the technical matters of the present invention are all within the protection scope of the present invention to any simple modification and equivalent changes made by the above embodiments.
Claims (9)
1. The utility model provides a displacement sensor precision detection device of acting as go-between which characterized in that includes: the device comprises a base (1), a lifting mechanism, an X-direction moving mechanism, a Y-direction moving mechanism, a camera (20) and a control system (21);
the lifting mechanism comprises a longitudinal guide rail (2), a lifting platform (3) and a longitudinal driving mechanism, the longitudinal guide rail (2) is vertically fixed on the base (1), the lifting platform (3) is arranged along the longitudinal guide rail (2) in a reciprocating manner, and the longitudinal driving mechanism is in driving connection with the lifting platform (3) so as to drive the lifting platform (3) to move along the longitudinal guide rail (2);
the X-direction moving mechanism comprises an X-direction guide rail (8), an X-direction sliding block (9), an X-direction driving mechanism and a tray (13), the X-direction guide rail (8) is fixedly mounted on the lifting platform (3), the X-direction sliding block (9) is arranged along the X-direction guide rail (8) in a reciprocating manner, the X-direction driving mechanism is in driving connection with the X-direction sliding block (9) to drive the X-direction sliding block (9) to move along the X-direction guide rail (8), and the tray (13) used for mounting a stay wire displacement sensor to be tested is mounted on the X-direction sliding block (9);
the Y-direction moving mechanism comprises a Y-direction guide rail (16), a sliding table (17), a Y-direction servo driving mechanism and an interface clamp (22), the Y-direction guide rail (16) laid on the base (1) is perpendicular to the X-direction guide rail (8), the sliding table (17) is arranged along the Y-direction guide rail (16) in a reciprocating manner, the Y-direction servo driving mechanism is in driving connection with the sliding table (17) to drive the sliding table (17) to move along the Y-direction guide rail (16), one side, facing the tray (13), of the sliding table (17) is provided with the interface clamp (22), and the interface clamp (22) is used for fixing a pull rope;
the utility model discloses a servo drive mechanism, including slip table (17), slip table (17) go up fixed mounting have camera (20), camera (20) with control system (21) are connected, control system (21) with Y is to servo drive mechanism connection.
2. A stay wire displacement sensor accuracy detection device according to claim 1, wherein the longitudinal driving mechanism comprises a top plate (4), a longitudinal lead screw (5) nut, a longitudinal hand wheel (6) and a longitudinal locker (7), the top plate (4) is fixedly arranged at the top end of the longitudinal guide rail (2), the bottom section of the longitudinal lead screw (5) is rotatably arranged on the base (1), the longitudinal lead screw (5) and the longitudinal lead screw (5) nut fixedly arranged on the lifting platform (3) form a lead screw nut pair, the top section of the longitudinal lead screw (5) is rotatably arranged on the top plate (4), the longitudinal hand wheel (6) is fixedly arranged on the top section of the longitudinal lead screw (5), and the longitudinal locker (7) for limiting the rotation of the longitudinal lead screw (5) is arranged on the top plate (4).
3. A pull-wire displacement sensor precision detection device according to claim 1, characterized in that the tray (13) has a first side wall and a second side wall arranged in parallel with each other, a hold-down mechanism is arranged outside the first side wall, the hold-down mechanism includes a hold-down hand wheel (14), a hold-down lead screw and a hold-down push rod (15), the hold-down hand wheel (14) is fixedly installed at the outer end of the hold-down lead screw, the hold-down lead screw and a hold-down lead screw nut installed on the first side wall form a lead screw nut pair, and the hold-down push rod (15) located at the inner end of the hold-down lead screw passes through the through hole on the first side wall.
4. A stay wire displacement sensor precision detection device as claimed in claim 1, characterized in that the X-direction driving mechanism comprises an X-direction lead screw (10), an X-direction lead screw (10) nut, an X-direction hand wheel (11), and an X-direction locker (12), the X-direction lead screw (10) is rotatably mounted on the lifting platform (3), the X-direction lead screw (10) and the X-direction lead screw (10) nut fixedly mounted on the X-direction slider (9) form a lead screw nut pair, one end of the X-direction lead screw (10) is fixedly mounted with the X-direction hand wheel (11), and the lifting platform (3) is provided with the X-direction locker (12) for limiting the X-direction lead screw (10) to rotate.
5. A stay wire displacement sensor precision detection device according to claim 1, characterized in that, the Y-direction servo drive mechanism includes a fixed Y-direction lead screw (18), a Y-direction lead screw (18) nut and a servo motor (19), the Y-direction lead screw (18) is rotatably connected with the base (1), the Y-direction lead screw (18) and the Y-direction lead screw (18) nut fixedly installed on the sliding table (17) form a lead screw nut pair, and an output shaft of the servo motor (19) fixedly installed on the base (1) is in transmission connection with one end of the Y-direction lead screw (18).
6. The device for detecting the accuracy of a stay wire displacement sensor according to claim 1, wherein a side of the interface fixture (22) facing the tray (13) is a vertically arranged clamping plate (221), and is characterized in that the clamping plate (221) has a first clamping slot (2211) for clamping a free end of a pull rope, a clamping plate (222) is slidably connected to the clamping plate (221) along a length direction of the clamping slot, and a second clamping slot (2221) having the same size as the first clamping slot (2211) is correspondingly arranged on the clamping plate (222), so that a size of a through hole formed by overlapping the first clamping slot (2211) and the second clamping slot (2221) is adjusted by relative sliding between the clamping plate (222) and the clamping plate (221).
7. A stay wire displacement sensor accuracy testing device according to claim 5, characterized in that said control system (21) comprises an image processing module, a display device, and a motor control module, said camera (20) signal output port is connected with said image processing module signal input port and said display device signal input port respectively, said image processing module signal output port is connected with said display device signal input port and said motor control module signal input port respectively, said motor control module signal output port is connected with said servo motor (19) signal input port.
8. A pull-wire displacement sensor precision detection device according to claim 7, characterized in that a limit switch is installed on the Y-direction guide rail (16), and the limit switch is connected in series with a power line of the servo motor.
9. A pull-wire displacement sensor accuracy testing device according to claim 7, characterized in that said control system (21) further comprises a sensing signal acquisition device for connecting with said pull-wire displacement sensor signal output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222155160.6U CN218443710U (en) | 2022-08-16 | 2022-08-16 | Stay wire displacement sensor precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222155160.6U CN218443710U (en) | 2022-08-16 | 2022-08-16 | Stay wire displacement sensor precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218443710U true CN218443710U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222155160.6U Active CN218443710U (en) | 2022-08-16 | 2022-08-16 | Stay wire displacement sensor precision detection device |
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| Country | Link |
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| CN (1) | CN218443710U (en) |
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2022
- 2022-08-16 CN CN202222155160.6U patent/CN218443710U/en active Active
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