CN110261399B - Fault detection device for screw rod in mechanical transmission fault - Google Patents
Fault detection device for screw rod in mechanical transmission fault Download PDFInfo
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- CN110261399B CN110261399B CN201910432267.0A CN201910432267A CN110261399B CN 110261399 B CN110261399 B CN 110261399B CN 201910432267 A CN201910432267 A CN 201910432267A CN 110261399 B CN110261399 B CN 110261399B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
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Abstract
The invention provides a fault detection device for a screw rod in mechanical transmission faults, and belongs to the technical field of screw rod detection. The fault detection device for the screw in the mechanical transmission fault comprises a workbench, a camera, a single-head probe and a computer, wherein the workbench is provided with a first mounting plate, the first mounting plate is fixedly provided with a first support and a second support, the first support is fixedly provided with a first driving motor, and the end part of an output shaft of the first driving motor is fixedly provided with a pneumatic finger cylinder; the workbench is provided with a mounting plate II, the mounting plate II is fixed with a mounting plate III, a first sliding groove is formed in the mounting plate III, the first sliding groove is provided with a first orthodontic screw rod, a second driving motor is fixed on the mounting plate III, a first sliding block is arranged on the first sliding groove, a first rotating motor is fixed on the first sliding block, a mounting rod is connected to an output shaft of the rotating motor, a connecting block is fixed on the mounting rod, and a single-head probe and a camera are connected to the connecting block through threads. The invention has the advantage of detecting the surface appearance and the eccentricity of the screw.
Description
Technical Field
The invention belongs to the technical field of screw detection, relates to a detection and elimination device, and particularly relates to a fault detection device for a screw in mechanical transmission faults.
Background
Mechanical transmission is widely used in mechanical engineering, and mainly refers to transmission for transmitting power and motion in a mechanical mode. The method is divided into two categories: the transmission mechanism is driven by the friction force between the parts and the transmission of the driving part and the driven part, or by the middle part.
The transmission device in the mechanical equipment mainly comprises a driver and a transmission rod assembly to achieve the purpose of transmission, wherein a screw rod is taken as an important structure of the transmission rod assembly. Meanwhile, the change of the movement mode and the direction of the mechanism can be realized by adopting a simple structure through screw transmission, the transmission is stable, the noise is low, a large reduction ratio can be obtained, large thrust is generated, and self-locking can be realized. When the transmission equipment fails, the precision of the equipment is easily reduced, the production quality is reduced, and the equipment is shut down and interrupted if the equipment fails, even a chain reaction is generated, so that the whole mechanical system is paralyzed; in severe cases, life and property safety can be endangered.
Therefore, when the mechanical equipment has an early transmission failure, the screw needs to be detected so as to eliminate the failure caused by the screw.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a fault detection device for a screw rod in mechanical transmission faults.
The purpose of the invention can be realized by the following technical scheme:
the fault detection device for the screw rod in the mechanical transmission fault comprises a workbench, a camera, a single-head probe and a computer, wherein the camera and the probe are electrically connected with the computer; the upper surface of the workbench is horizontally provided with a second mounting plate, a third mounting plate is vertically fixed on the second mounting plate, a first chute is vertically formed in the third mounting plate, a first orthodontic lead screw is arranged in the first chute in a rotating mode, a second driving motor is fixed on the third mounting plate, an output shaft of the second driving motor faces vertically downwards, one end of the first orthodontic lead screw penetrates out of the third mounting plate, a penetrating end of the first orthodontic lead screw is connected with an output shaft of the second driving motor, a first sliding block is arranged on the first chute in a sliding mode and vertically provided with a threaded hole, the first sliding block is connected to the first orthodontic lead screw in a threaded mode, a rotating motor is horizontally fixed on the vertical surface of the first sliding block, the output shaft of the rotating motor is connected with a mounting rod through a coupler, the other end of the mounting rod is fixed with a connecting block, and two opposite end surfaces of the connecting block are respectively in threaded connection with a single-head probe and a camera, the upper surface of the workbench is provided with a second translation mechanism which can drive the second mounting plate to horizontally move.
Among the above-mentioned fault detection device for screw rod among mechanical transmission trouble, translation mechanism one include driving motor three, orthodontic lead screw two and protruding type slide rail one, protruding type slide rail level fix the workstation upper surface, the slip sets up regulating block one on protruding type slide rail one, the lower surface at mounting panel one is fixed to regulating block one, driving motor three level fix the workstation upper surface, the output shaft that shaft coupling and driving motor three is passed through to orthodontic lead screw two's one end, orthodontic lead screw two's the other end passes through the bearing frame to be fixed at the workstation upper surface, orthodontic lead screw two goes up threaded connection has slider two, slider two fixes the upper surface at mounting panel one. The driving motor III drives the orthodontic screw rod II to rotate positively and negatively, and the rotation is changed into linear motion through the sliding block II and the adjusting block I, so that the mounting plate I moves horizontally along the convex sliding rail I.
Among the above-mentioned fault detection device for screw rod among mechanical transmission trouble, two translation mechanisms include driving motor four, positive tooth lead screw three and protruding type slide rail two, protruding type slide rail two levels fix the workstation upper surface, slide on protruding type slide rail two and set up regulating block two, the lower surface at mounting panel two is fixed to regulating block two, driving motor four levels fix the workstation upper surface, positive tooth lead screw three's one end is passed through the output shaft of shaft coupling and driving motor four, positive tooth lead screw three's the other end passes through the bearing frame and fixes the workstation upper surface, positive tooth lead screw three goes up threaded connection has slider three, slider three fixes the upper surface at mounting panel two. The driving motor IV drives the orthodontic screw rod III to rotate positively and negatively, and the rotation is changed into linear motion through the sliding block III and the adjusting block II, so that the mounting plate II moves horizontally along the convex sliding rail II.
In the fault detection device for the screw rod in the mechanical transmission fault, the two orthodontic screw rods, the three orthodontic screw rods, the first convex slide rails and the second convex slide rails are parallel to each other.
In the above-mentioned fault detection device for screw rod among mechanical transmission trouble, workstation upper surface still be fixed with the mounting bracket, the vertical protruding type slide rail three and protruding type slide rail four that is fixed with on the mounting bracket, protruding type slide rail three is parallel to each other with protruding type slide rail four, slide rail three and be provided with regulating block three and regulating block four, slide rail four and be provided with regulating block five and regulating block six, be fixed with V type piece one between regulating block three and the regulating block five, be fixed with V type piece two between regulating block four and the regulating block six, V type piece one is relative with the V type groove of V type piece two, and the V type inslot of V type piece one and V type piece two lays the sheet rubber.
In the above-mentioned fault detection device for screw rod among mechanical transmission fault, workstation lower surface fixed with driving motor five and driving motor six, driving motor five and driving motor six's output shaft all vertically upwards, and driving motor five, there are orthodontics lead screw four on driving motor six's the output shaft through the coupling joint respectively, orthodontics lead screw five, orthodontics lead screw six is parallel to each other, V type piece two threaded connection is on orthodontics lead screw five and orthodontics lead screw six, and orthodontics lead screw five and orthodontics lead screw six's the other end is connected with anti-screw one and anti-screw two respectively through the coupling joint, V type piece two threaded connection is on orthodontics lead screw five and orthodontics lead screw six, anti-screw one and anti-screw two's the other end passes through the bearing rotation setting on the mounting bracket.
The five driving motors can drive the five orthodontic screws, the four anti-orthodontic screws are transferred, the six driving motors can drive the five orthodontic screws, the two anti-orthodontic screws are transferred, the V-shaped block I and the V-shaped block II can move up and down along the three convex slide rails and the four convex slide rails, and the five driving motors and the six driving motors synchronously move, so that the V-shaped block I and the V-shaped block II move oppositely or backwards, the other end of the screw rod is clamped in the eccentricity detection process, and the thread stability of the detection process is guaranteed.
In the fault detection device for the screw rod in the mechanical transmission fault, the workbench is provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively provided with a first sliding rod and a second sliding rod in a penetrating way, the first sliding rod and the second sliding rod are both in intermittent fit with the workbench, one ends of the first sliding rod and the second sliding rod, which are positioned on the upper workbench, are respectively fixed with a first tray and a second tray, rubber sleeves are respectively sleeved on the first tray and the second tray, one end of the first sliding rod is fixed with a connecting rod, the other end of the connecting rod is fixed on the second sliding rod, the connecting rod is positioned under the workbench, and a roller is rotatably arranged in the middle of the connecting rod, a rotating shaft is horizontally and rotatably arranged on the lower surface of the workbench through a bearing seat, a cam is connected on the rotating shaft through a key and is matched with the roller, and a seventh driving motor is fixed on the lower surface of the workbench, and an output shaft of the seventh driving motor is connected with the rotating shaft through a coupler.
In the fault detection device for the screw rod in the mechanical transmission fault, a first sliding ring is sleeved on a first sliding rod, a second sliding ring is sleeved on a second sliding rod, the first sliding ring and the second sliding ring are in clearance fit with the first sliding rod and the second sliding rod respectively, the first sliding ring and the second sliding ring are movably arranged on the upper surface of a workbench, a first compression spring and a second compression spring are further sleeved on the first sliding rod and the second sliding rod, one end of the first compression spring is fixed on a first tray, the other end of the first compression spring is fixed on the first sliding ring, one end of the second compression spring is fixed on the first tray, and the other end of the second compression spring is fixed on the second sliding ring.
The drive motor seven can drive the cam and rotate, and through the cooperation of cam and gyro wheel, combine two pairs of slide bars one of compression spring and slide bar two to play the effect of support to can drive through the connecting rod and drive slide bar one and slide bar two and carry out the up-and-down motion, thereby realize supporting the screw rod through tray one, tray two, guarantee that surface appearance and eccentricity carry out the stability in the testing process. In addition, the arrangement of the first compression spring and the second compression spring can also play a certain buffering role in the lifting adjustment of the first tray and the second tray.
Compared with the prior art, the fault detection device for the screw rod in the mechanical transmission fault has the following advantages:
1. in addition, the first driving motor can drive the screw rod to rotate, and the third driving motor can drive the screw rod to horizontally move along the length direction of the screw rod, so that the camera records the surface appearance of the whole screw rod, and the appearance detection of the screw rod is realized by combining a computer, thereby judging whether the outer surface of the screw rod has defects.
2. The single-head probe is driven to rotate by the rotating motor, so that the single-head probe faces the screw rod, the driving motor II drives the orthodontic screw rod I to rotate forwards and backwards, the sliding block I slides along the sliding groove I, the distance between the single-head probe and the screw rod is adjusted, the probe of the single-head probe is in contact with the spiral surface of the screw rod, in addition, the screw rod can be driven to rotate by the driving motor I, the single-head probe can be driven to horizontally move along the length direction of the screw rod by the driving motor IV, the single-head probe horizontally moves while the screw rod rotates, and the eccentricity is measured by the computer through the change of the telescopic displacement of the probe in the process of one rotation of the screw rod, so that the screw rod can form average stress when being meshed with other threaded parts.
Drawings
FIG. 1 is a perspective view of the present invention
FIG. 2 is a perspective view of the present invention
FIG. 3 is a perspective view of a first translation mechanism according to the present invention;
FIG. 4 is a schematic perspective view of the mounting bracket of the present invention;
fig. 5 is a perspective view of the cam gear of the present invention.
In the figure, 1, a workbench; 2. a single-ended probe; 3. a camera; 4. a screw; 5. a first mounting plate; 6. driving a motor I; 7. a pneumatic finger cylinder; 8. a second mounting plate; 9. mounting a third plate; 10. a first orthodontic lead screw; 11. a first sliding block; 12. a rotating electric machine; 13. mounting a rod; 14. connecting blocks; 15. driving a motor III; 16. a second orthodontic lead screw; 17. a first convex slide rail; 18. a first adjusting block; 19. a second sliding block; 20. driving a motor IV; 21. a third orthodontic lead screw; 22. a second convex slide rail; 23. a third sliding block; 24. a mounting frame; 25. a third convex slide rail; 26. a fourth convex slide rail; 27. a third adjusting block; 28. a fourth adjusting block; 29. a first V-shaped block; 30. a V-shaped block II; 31. driving a motor V; 32. driving a motor six; 33. a fourth orthodontic lead screw; 34. a fifth orthodontic lead screw; 35. a first reverse-tooth screw rod; 36. a second reverse-tooth lead screw; 37. a first sliding rod; 38. a second sliding rod; 39. a first tray; 40. a second tray; 41. a first compression spring; 42. a second compression spring; 43. a slip ring I; 44. a second slip ring; 45. a connecting rod; 46. a driving motor seven; 47. a cam; 48. a roller.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figures 1 and 2, the fault detection device for the screw rod in the mechanical transmission fault comprises a workbench 1, a camera 3, a single-head probe 2 and a computer, wherein the camera 3 and the probe are electrically connected with the computer. Specifically, a first mounting plate 5 is horizontally arranged on the upper surface of the workbench 1, a first support and a second support are fixed on the upper surface of the first mounting plate 5, a first driving motor 6 is horizontally fixed on the first support, a bearing seat is fixed on the second support, an output shaft of the first driving motor 6 is rotatably arranged on the bearing seat, a pneumatic finger cylinder 7 is further fixed at the end part of the output shaft of the first driving motor 6, the pneumatic finger cylinder 7 is used for clamping one end of a screw rod 4 to be tested, and a first translation mechanism capable of driving the first mounting plate 5 to horizontally move is arranged on the upper surface of the workbench 1; as shown in fig. 3, the first translation mechanism includes a third driving motor 15, a second orthodontic lead screw 16 and a first convex slide rail 17, the first convex slide rail 17 is horizontally fixed on the upper surface of the workbench 1, the first convex slide rail 17 is provided with a first adjusting block 18 in a sliding manner, the first adjusting block 18 is fixed on the lower surface of the first mounting plate 5, the third driving motor 15 is horizontally fixed on the upper surface of the workbench 1, one end of the second orthodontic lead screw 16 is connected with an output shaft of the third driving motor 15 through a coupler, the other end of the second orthodontic lead screw 16 is fixed on the upper surface of the workbench 1 through a bearing seat, the second orthodontic lead screw 16 is connected with a second sliding block 19 in a threaded manner, and the second sliding block 19 is fixed on the upper surface of the first mounting plate 5. The driving motor III 15 drives the orthodontic screw rod II 16 to rotate positively and negatively, and the rotation is changed into linear motion through the slide block II 19 and the adjusting block I18, so that the mounting plate I5 moves horizontally along the convex slide rail I17.
The upper surface of the workbench 1 is horizontally provided with a second mounting plate 8, a third mounting plate 9 is vertically fixed on the second mounting plate 8, a first chute is vertically arranged on the third mounting plate 9, a first orthodontic lead screw 10 is arranged in the first chute in a rotating manner, a second driving motor is fixed on the third mounting plate 9, an output shaft of the second driving motor is vertically downward, one end of the first orthodontic lead screw 10 penetrates out of the third mounting plate 9, a penetrating end of the first orthodontic lead screw 10 is connected with an output shaft of the second driving motor, a first sliding block 11 is arranged on the first chute in a sliding manner, a threaded hole is vertically arranged on the first sliding block 11, the first sliding block 11 is in threaded connection with the first orthodontic lead screw 10, a rotating motor 12 is horizontally fixed on a vertical surface of the first sliding block 11, an output shaft of the rotating motor 12 is connected with a mounting rod 13 through a coupler, a connecting block 14 is fixed at the other end of the mounting rod 13, and two opposite end surfaces of the connecting block 14 are respectively in threaded connection with a single-head probe 2 and a camera 3, the upper surface of the workbench 1 is provided with a second translation mechanism which can drive the second mounting plate 8 to horizontally move. Translation mechanism two includes driving motor four 20, three 21 of orthodontic lead screw and two 22 of protruding type slide rail, two 22 levels of protruding type slide rail are fixed at 1 upper surface of workstation, it sets up regulating block two to slide on two 22 of protruding type slide rail, the lower surface at two 8 of mounting panel is fixed to regulating block two, four 20 levels of driving motor are fixed at 1 upper surface of workstation, the output shaft of shaft coupling and four 20 of driving motor is passed through to three 21 one end of orthodontic lead screw, the other end of three 21 of orthodontic lead screw passes through the bearing frame to be fixed at 1 upper surface of workstation, threaded connection has three 23 of slider on three 21 of orthodontic lead screw, three 23 of slider are fixed at the upper surface of mounting panel two 8. The driving motor IV 20 drives the orthodontic lead screw III 21 to rotate positively and negatively, and the rotation is changed into linear motion through the slide block III 23 and the adjusting block II, so that the mounting plate II 8 moves horizontally along the convex slide rail II 22.
In addition, the second orthodontic screw 16, the third orthodontic screw 21, the first convex slide rail 17 and the second convex slide rail 22 are mutually parallel.
As shown in fig. 4, a mounting frame 24 is further fixed on the upper surface of the workbench 1, a convex slide rail three 25 and a convex slide rail four 26 are vertically fixed on the mounting frame 24, the convex slide rail three 25 and the convex slide rail four 26 are parallel to each other, a regulating block three 27 and a regulating block four 28 are slidably arranged on the slide rail three, a regulating block five and a regulating block six are slidably arranged on the slide rail four, a V-shaped block first 29 is fixed between the regulating block three 27 and the regulating block five, a V-shaped block second 30 is fixed between the regulating block four 28 and the regulating block six, V-shaped grooves of the V-shaped block first 29 and the V-shaped block second 30 are opposite, and rubber sheets are laid in the V-shaped grooves of the V-shaped block first 29 and the V-shaped block second 30.
The lower surface of the workbench 1 is fixedly provided with a driving motor five 31 and a driving motor six 32, output shafts of the driving motor five 31 and the driving motor six 32 are vertically upward, the driving motor five 31 and the output shaft of the driving motor six 32 are respectively connected with an orthodontic lead screw four 33 and an orthodontic lead screw five 34 through couplings, the orthodontic lead screw five 34 and the orthodontic lead screw six are parallel to each other, a V-shaped block two 30 is in threaded connection with the orthodontic lead screw five 34 and the orthodontic lead screw six, the other ends of the orthodontic lead screw five 34 and the orthodontic lead screw six are respectively connected with a counter lead screw one 35 and a counter lead screw two 36 through couplings, the V-shaped block two 30 is in threaded connection with the orthodontic lead screw five 34 and the orthodontic lead screw six, and the other ends of the counter lead screw one 35 and the counter lead screw two 36 are rotatably arranged on the mounting frame 24 through bearings.
Five 31 driving motor can drive four 33 positive lead screw, one 35 anti-tooth lead screw shifts, six 32 driving motor can drive five 34 positive lead screw, two 36 anti-tooth lead screw shifts, and because V type piece one 29 and two 30V type pieces can carry out up-and-down motion along three 25 convex slide rails and four 26 convex slide rails, through five 31 driving motor and six 32 synchronous motion of driving motor, thereby realize the relative or dorsad motion of V type piece one 29 and two 30V type pieces, thereby carry out the other end of screw rod 4 of centre gripping in the eccentricity detection process, guarantee the stationarity of detection process screw thread.
As shown in fig. 5, a first through hole and a second through hole are formed in a workbench 1, a first sliding rod 37 and a second sliding rod 38 are respectively arranged in the first through hole and the second through hole in a penetrating manner, the first sliding rod 37 and the second sliding rod 38 are both in intermittent fit with the workbench 1, a first tray 39 and a second tray 40 are respectively fixed at one ends of the first sliding rod 37 and the second sliding rod 38 on the upper workbench 1, rubber sleeves are respectively sleeved on the first tray 39 and the second tray 40, a connecting rod 45 is fixed at one end of the first sliding rod 37, the other end of the connecting rod 45 is fixed on the second sliding rod 38, the connecting rod 45 is positioned below the workbench 1, and the middle position of the connecting rod 45 is rotatably provided with a roller 48, the lower surface of the workbench 1 is horizontally and rotatably provided with a rotating shaft through a bearing seat, the rotating shaft is in key connection with a cam 47, the cam 47 is matched with the roller 48, the lower surface of the workbench 1 is fixedly provided with a drive motor seven 46, and an output shaft of the drive motor seven 46 is connected with the rotating shaft through a coupler.
The first sliding rod 37 is sleeved with a first sliding ring 43, the second sliding rod 38 is sleeved with a second sliding ring 44, the first sliding ring 43 and the second sliding ring 44 are in clearance fit with the first sliding rod 37 and the second sliding rod 38 respectively, the first sliding ring 43 and the second sliding ring 44 are movably arranged on the upper surface of the workbench 1, the first sliding rod 37 and the second sliding rod 38 are further sleeved with a first compression spring 41 and a second compression spring 42, one end of the first compression spring 41 is fixed on a first tray 39, the other end of the first compression spring 41 is fixed on the first sliding ring 43, one end of the second compression spring 42 is fixed on the first tray 39, and the other end of the second compression spring 42 is fixed on the second sliding ring 44.
Drive motor seven 46 can drive cam 47 and rotate, through the cooperation of cam 47 and gyro wheel, combine compression spring 41 and compression spring two 42 to play the effect that supports to slide bar 37 and slide bar two 38 to can drive through connecting rod 45 and drive slide bar 37 and slide bar two 38 and carry out the up-and-down motion, thereby realize supporting screw rod 4 through tray one 39, tray two 40, guarantee that surface appearance and eccentricity carry out the stability in the testing process. In addition, the arrangement of the first compression spring 41 and the second compression spring 42 can play a certain role in buffering in the lifting adjustment of the first tray 39 and the second tray 40.
In summary, the working principle of the fault detection device for the screw rod in the mechanical transmission fault is as follows:
and (3) surface appearance detection: one end of a screw rod 4 to be detected is clamped through a pneumatic finger cylinder 7, a rotating motor 12 drives an installation rod 13 to rotate, a camera 3 is enabled to face the screw rod 4, a driving motor II drives an orthodontic lead screw I10 to rotate positively and negatively, a sliding block I11 slides along a sliding groove I, the distance between the camera 3 and the screw rod 4 is adjusted, in addition, the screw rod 4 can be driven to rotate through a driving motor I6, a driving motor III 15 can drive the screw rod 4 to move horizontally along the length direction of the screw rod 4 through an orthodontic lead screw II 16, a sliding block II 19, a regulating block I18 and an installation plate I5, and therefore the camera 3 records the surface appearance of the whole screw rod 4, and appearance detection of the screw rod 4 is achieved through a computer.
Detecting eccentricity: one end of a screw rod 4 to be detected is clamped through a pneumatic finger cylinder 7, a rotating motor 12 drives an installation rod 13 to rotate, a single-head probe 2 is enabled to face the screw rod 4, a driving motor II drives an orthodontic screw rod I10 to rotate positively and negatively, a sliding block I11 slides along a sliding groove I, the distance between the single-head probe 2 and the screw rod 4 is adjusted, a probe of the single-head probe 2 is enabled to be in contact with the spiral surface of the screw rod 4, in addition, the screw rod 4 can be driven to rotate through a driving motor I6, a driving motor IV 20 can drive the single-head probe 2 to move horizontally along the length direction of the screw rod 4 through an orthodontic screw rod III 21, a sliding block III 23, a regulating block II and a mounting plate II 8, the single-head probe 2 moves horizontally while the screw rod 4 rotates, and therefore the eccentricity is measured through the change of the probe stretching displacement in the process that the screw rod 4 rotates for one circle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although 1, a table is used more herein; 2. a single-ended probe; 3. a camera; 4. a screw; 5. a first mounting plate; 6. driving a motor I; 7. a pneumatic finger cylinder; 8. a second mounting plate; 9. a second mounting plate; 10. a first orthodontic lead screw; 11. a first sliding block; 12. a rotating electric machine; 13. mounting a rod; 14. connecting blocks; 15. driving a motor III; 16. a second orthodontic lead screw; 17. a first convex slide rail; 18. a first adjusting block; 19. a second sliding block; 20. driving a motor IV; 21. a third orthodontic lead screw; 22. a second convex slide rail; 23. a third sliding block; 24. a mounting frame; 25. a third convex slide rail; 26. a fourth convex slide rail; 27. a third adjusting block; 28. a fourth adjusting block; 29. a first V-shaped block; 30. a V-shaped block II; 31. driving a motor V; 32. driving a motor six; 33. a fourth orthodontic lead screw; 34. a fifth orthodontic lead screw; 35. a first reverse-tooth screw rod; 36. a second reverse-tooth lead screw; 37. a first sliding rod; 38. a second sliding rod; 39. a first tray; 40. a second tray; 41. a first compression spring; 42. a second compression spring; 43. a slip ring I; 44. a second slip ring; 45. a connecting rod; 46. a driving motor seven; 47. a cam; 48. rollers, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. The fault detection device for the screw rod in the mechanical transmission fault comprises a workbench, a camera, a single-head probe and a computer, wherein the camera and the single-head probe are electrically connected with the computer;
the upper surface of the workbench is horizontally provided with a second mounting plate, a third mounting plate is vertically fixed on the second mounting plate, a first chute is vertically formed in the third mounting plate, a first orthodontic lead screw is arranged in the first chute in a rotating mode, a second driving motor is fixed on the third mounting plate, an output shaft of the second driving motor faces vertically downwards, one end of the first orthodontic lead screw penetrates out of the third mounting plate, a penetrating end of the first orthodontic lead screw is connected with an output shaft of the second driving motor, a first sliding block is arranged on the first chute in a sliding mode and vertically provided with a threaded hole, the first sliding block is connected to the first orthodontic lead screw in a threaded mode, a rotating motor is horizontally fixed on the vertical surface of the first sliding block, the output shaft of the rotating motor is connected with a mounting rod through a coupler, the other end of the mounting rod is fixed with a connecting block, and two opposite end surfaces of the connecting block are respectively in threaded connection with a single-head probe and a camera, the upper surface of the workbench is provided with a second translation mechanism which can drive the second mounting plate to horizontally move.
2. The device for detecting the fault of the screw rod in the mechanical transmission fault according to claim 1, wherein the first translation mechanism comprises a third driving motor, a second orthodontic screw rod and a first convex slide rail, the first convex slide rail is horizontally fixed on the upper surface of the workbench, a first adjusting block is arranged on the first convex slide rail in a sliding mode, the first adjusting block is fixed on the lower surface of the first mounting plate, the third driving motor is horizontally fixed on the upper surface of the workbench, one end of the second orthodontic screw rod is connected with an output shaft of the third driving motor through a coupler, the other end of the second orthodontic screw rod is fixed on the upper surface of the workbench through a bearing seat, a second sliding block is connected to the second orthodontic screw rod in a threaded mode, and the second sliding block is fixed on the upper surface of the first mounting plate.
3. The device according to claim 2, wherein the second translation mechanism includes a fourth driving motor, a third orthodontic screw and a second convex slide rail, the second convex slide rail is horizontally fixed on the upper surface of the workbench, a second adjusting block is slidably arranged on the second convex slide rail, the second adjusting block is fixed on the lower surface of the second mounting plate, the fourth driving motor is horizontally fixed on the upper surface of the workbench, one end of the third orthodontic screw is connected with the output shaft of the fourth driving motor through a coupler, the other end of the third orthodontic screw is fixed on the upper surface of the workbench through a bearing seat, a third slide block is in threaded connection with the third orthodontic screw, and the third slide block is fixed on the upper surface of the second mounting plate.
4. The device for detecting the fault of the screw rod in the mechanical transmission fault according to claim 2 or 3, wherein the second orthodontic screw rod, the third orthodontic screw rod, the first convex slide rail and the second convex slide rail are mutually parallel.
5. The device for detecting the fault of the screw rod in the mechanical transmission fault according to claim 1, wherein a mounting frame is further fixed on the upper surface of the workbench, a third convex slide rail and a fourth convex slide rail are vertically fixed on the mounting frame, the third convex slide rail and the fourth convex slide rail are parallel to each other, a third adjusting block and a fourth adjusting block are arranged on the third slide rail in a sliding manner, a fifth adjusting block and a sixth adjusting block are arranged on the fourth slide rail in a sliding manner, a first V-shaped block is fixed between the third adjusting block and the fifth adjusting block, a second V-shaped block is fixed between the fourth adjusting block and the sixth adjusting block, the first V-shaped block is opposite to the second V-shaped groove, and rubber sheets are laid in the first V-shaped groove and the second V-shaped groove.
6. The device for detecting the fault of the screw rod in the mechanical transmission fault as claimed in claim 5, wherein a driving motor five and a driving motor six are fixed on the lower surface of the workbench, output shafts of the driving motor five and the driving motor six are both vertically upward, output shafts of the driving motor five and the driving motor six are respectively connected with an orthodontic screw rod four and an orthodontic screw rod five through couplings, the orthodontic screw rod five and the orthodontic screw rod six are mutually parallel, a V-shaped block two is in threaded connection with the orthodontic screw rod five and the orthodontic screw rod six, the other ends of the orthodontic screw rod five and the orthodontic screw rod six are respectively connected with a counter screw rod one and a counter screw rod two through couplings, the V-shaped block two is in threaded connection with the orthodontic screw rod five and the orthodontic screw rod six, and the other ends of the counter screw rod one and the counter screw rod two are rotatably arranged on the mounting rack through bearings.
7. The device for detecting the fault of the screw rod in the mechanical transmission fault according to claim 1, wherein a first through hole and a second through hole are formed in the workbench, the first through hole and the second through hole are respectively provided with a first sliding rod and a second sliding rod in a penetrating manner, the first sliding rod and the second sliding rod are both in intermittent fit with the workbench, a first tray and a second tray are respectively fixed at one ends of the first sliding rod and the second sliding rod, a connecting rod is fixed at one end of the first sliding rod, the other end of the connecting rod is fixed on the second sliding rod, the connecting rod is located below the workbench, a roller is rotatably arranged at the middle position of the connecting rod, a rotating shaft is horizontally and rotatably arranged on the lower surface of the workbench through a bearing seat, a cam is connected to the rotating shaft in a key mode, the cam is matched with the roller, a seventh driving motor is fixed on the lower surface of the workbench, and an output shaft of the seventh driving motor is connected with the rotating shaft through a coupler.
8. The device as claimed in claim 7, wherein the first sliding rod is sleeved with a first sliding ring, the second sliding rod is sleeved with a second sliding ring, the first sliding ring and the second sliding ring are in clearance fit with the first sliding rod and the second sliding rod respectively, the first sliding ring and the second sliding ring are movably arranged on the upper surface of the workbench, the first sliding rod and the second sliding rod are further sleeved with a first compression spring and a second compression spring, one end of the first compression spring is fixed on the first tray, the other end of the first compression spring is fixed on the first sliding ring, one end of the second compression spring is fixed on the first tray, and the other end of the second compression spring is fixed on the second sliding ring.
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| CN201910432267.0A CN110261399B (en) | 2019-05-23 | 2019-05-23 | Fault detection device for screw rod in mechanical transmission fault |
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| CN201910432267.0A CN110261399B (en) | 2019-05-23 | 2019-05-23 | Fault detection device for screw rod in mechanical transmission fault |
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| CN110261399B true CN110261399B (en) | 2021-07-27 |
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