CN117007305A - Speed reducer with self-checking rotation precision function - Google Patents
Speed reducer with self-checking rotation precision function Download PDFInfo
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- CN117007305A CN117007305A CN202311282198.2A CN202311282198A CN117007305A CN 117007305 A CN117007305 A CN 117007305A CN 202311282198 A CN202311282198 A CN 202311282198A CN 117007305 A CN117007305 A CN 117007305A
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims description 51
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 244000309464 bull Species 0.000 claims 2
- 230000001629 suppression Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000007891 compressed tablet Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Automatic Assembly (AREA)
Abstract
The invention discloses a speed reducer with a self-checking rotation precision function, which relates to the field of self-checking of rotation precision of speed reducers. According to the invention, the precision detection device is arranged on the bearing cover, and the widening circular rings are arranged on the low-speed shaft, so that the structures are connected with the prompt assembly, and the eight precision detection devices can be triggered by the arc-shaped convex blocks in one circle of rotation, so that the prompt assembly can also send out eight signals, the precision of the rotation speed can be synchronously obtained by measuring the interval between the eight signals, and the speed precision can be measured while the position precision is measured.
Description
Technical Field
The invention relates to the technical field of rotation precision self-checking of speed reducers, in particular to a speed reducer with a self-checking rotation precision function.
Background
The speed reducer is an independent component consisting of a gear drive, a worm drive and a gear-worm drive enclosed in a rigid housing, and is commonly used as a speed reduction transmission between a driving element and a working machine.
In the prior art, for example, the Chinese patent number is: the rotary precision detection device of the harmonic reducer of CN108519230A comprises a base, a loading mechanism, a torque sensor, an input grating, an output grating, a driving servo motor and a clamping mechanism, wherein double guide rails are arranged on the base, longitudinal adjusting mechanisms capable of sliding relatively are arranged on the double guide rails, transverse adjusting mechanisms capable of sliding relatively are arranged on the longitudinal adjusting mechanisms, the driving servo motor is arranged on the transverse adjusting mechanisms, the driving servo motor is connected with the input end of the harmonic reducer through the input grating, the output end of the harmonic reducer is connected with the output grating and the loading mechanism through the torque sensor, and the harmonic reducer is fixed through the clamping mechanism.
In the prior art, the rotation precision of the speed reducer is usually detected by connecting the rotation structure to an independent detector in a butt joint manner, and the precision of each rotation structure is detected by simulating operation.
Disclosure of Invention
The invention aims to provide a speed reducer with a self-checking rotation precision function, so as to solve the problem that the detection environment and the actual operation environment provided by the background technology have larger difference, and the factors can interfere the detection structure to different degrees.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a speed reducer with self-checking rotation precision function, includes speed reducer box seat, bearing cap, low-speed axle and back shaft, fixed connection between one end of low-speed axle and the one end of back shaft, the one end of back shaft runs through the bearing cap, the bearing cap is installed in one side of speed reducer box seat, one side fixed mounting of bearing cap has precision detection device, the joint has the widening ring on the outer wall of low-speed axle, one side fixed mounting of widening the ring has the arc lug, the arc lug is located between precision detection device and the widening ring;
the precision detection device comprises a power module, an extension plate, a limiting plate, a positioning plate, a first trigger block, a second trigger block, a third trigger block, a fourth trigger block, a fifth trigger block and a sixth trigger block, wherein the power module is fixedly arranged on one side of a bearing cover, the first trigger block, the second trigger block, the third trigger block, the fourth trigger block, the fifth trigger block and the sixth trigger block are identical in structure, are connected end to end in a straight line and are in sliding connection with the limiting plate, an annular groove is formed in the outer wall of the first trigger block, one side of the first trigger block is rotationally connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a guide rod, the guide rod penetrates through the positioning plate, and a pagoda spring is fixedly connected between the supporting plate and the positioning plate;
the utility model discloses a power module, including the backup pad, the support pad, the inside fixedly connected with compression sheet of arc keysets, the equal fixed mounting in both sides of backup pad has L shape extension branch, one side fixed mounting of L shape extension branch has the arc keysets, fixed mounting has the suggestion subassembly on power module's the outer wall, the grafting of compression sheet is in the inside of suggestion subassembly.
Preferably, the prompt component comprises a positioning shell and a triangular contact piece, wherein the triangular contact piece is movably mounted in the positioning shell, a butt joint clamping groove is formed in the joint of the positioning shell and the compression piece, the triangular contact piece is located in the butt joint clamping groove, one side of the positioning shell is fixedly connected with a transmission line, and the input end of the transmission line is movably connected with the output end of the power module.
Preferably, one end fixedly connected with butt joint piece of right angle joint contact piece, the inside fixed mounting of location casing has first gag lever post, first gag lever post runs through the butt joint piece, the fixed mounting of one end of first gag lever post has the anticreep piece, fixedly connected with reset spring between butt joint piece and the location casing, reset spring cup joints on the outer wall of first gag lever post.
Preferably, one side of the butt joint piece is fixedly provided with a telescopic rod, one side of the telescopic rod is rotationally connected with a driven lever, a limit rotating rod is fixedly arranged at the middle point of the driven lever, the limit rotating rod is rotationally arranged in the positioning shell, and the other end of the driven lever is fixedly provided with a butt joint end.
Preferably, the inside fixed mounting of location casing has the stopper, one side welding of stopper has the contact end, butt joint end sliding connection is in the inside of stopper, arc spout has been seted up to the department of handing-over of stopper and butt joint end, the contact end is located the both ends of arc spout.
Preferably, the inside fixed mounting of contact end has the trigger end, contact end and arc spout's handing-over department movable mounting has the butt joint board, one side fixed mounting of butt joint board has the inductor, the equal fixed mounting in both ends of butt joint board has the spacing ring, the inside of contact end has been seted up and has been held the cavity, fixed mounting has the second gag lever post on holding the inner wall of cavity, the spacing ring cup joints on the outer wall of second gag lever post, cup joint supporting spring on the outer wall of second gag lever post, one end fixed connection of supporting spring is in one side of spacing ring.
Preferably, the fixed mounting has the gusset plate on the outer wall of limiting plate, the other end fixed connection of gusset plate is in one side of locating plate, the width of gusset plate equals with the width of ring channel, the through-hole has been seted up to locating plate and guide arm's junction.
Preferably, limit clamping grooves are formed in two sides of the supporting plate, limit baffle plates are fixedly mounted on two sides of the reinforcing plate, and the reinforcing plate and the limit baffle plates are in sliding connection with the supporting plate through the limit clamping grooves.
Preferably, the junction of limit baffle and gusset plate fixed mounting has the anticreep board, one side overlap joint of backup pad is in one side of anticreep board.
Preferably, the first trigger block, the second trigger block, the third trigger block, the fourth trigger block, the fifth trigger block and the sixth trigger block are all located at one side of the widened circular ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the precision detection device is arranged on the bearing cover, the widened circular ring is arranged on the low-speed shaft, part of the structure of the precision detection device is pushed to move by the arc-shaped protruding blocks in the process of rotating the low-speed shaft, the structure is connected with the prompt component, no matter which trigger block is pushed, the prompt component can send out prompt signals, when the low-speed shaft generates position deviation, the arc-shaped protruding blocks can be contacted with different trigger blocks, the prompt device can send out different types of prompt signals, and therefore the detection of the rotation precision of the low-speed shaft is realized, and the widened circular ring is directly connected with the low-speed shaft, so that the arc-shaped protruding blocks can trigger eight precision detection devices in a circle of rotation, the prompt component can also send out eight signals, the precision of the rotation speed can be synchronously obtained by measuring the intervals between the eight signals, and the speed precision can be measured at the same time of measuring the position precision.
2. According to the invention, the prompting component is contacted with the pressing piece through the triangular contact piece, under the normal state, the position of the triangular contact piece is limited by the reset spring, the pressing piece presses the triangular contact piece in the positioning shell under the support of the pagoda spring on the positioning plate, at the moment, the butt joint end at one end of the driven lever presses the inductor at the side face of the butt joint plate in the triggering end, at the moment, the inductor is in a restrained state, after the pressing rod leaves the triangular contact piece, the inductor is ejected out of the triggering end under the rebound of the reset spring and the support spring, so that a prompting signal is sent once.
Drawings
FIG. 1 is a schematic view of an external perspective structure of a speed reducer with a function of self-checking rotational accuracy according to the present invention;
FIG. 2 is a schematic diagram of a connection structure between a low-speed shaft and a supporting shaft of a speed reducer with a function of self-checking rotation precision;
FIG. 3 is a top view of a low speed shaft and a support shaft of a speed reducer with a self-checking rotation accuracy function according to the present invention;
FIG. 4 is a front view of a low speed shaft and accuracy detecting device of a speed reducer with a function of self-checking rotational accuracy according to the present invention;
FIG. 5 is a schematic diagram of a precision detecting device and a widened ring position and structure of a speed reducer with a self-checking rotation precision function according to the present invention;
FIG. 6 is a schematic perspective view of a precision detecting device of a speed reducer with a function of self-checking rotation precision;
FIG. 7 is a side view of a precision detecting apparatus for a speed reducer with a function of self-checking rotational precision according to the present invention;
FIG. 8 is a schematic diagram of a connection structure between an L-shaped extension strut and a pressed sheet of a speed reducer with a function of self-checking rotation precision;
FIG. 9 is a schematic diagram of an external perspective structure of a prompting assembly of a speed reducer with a function of self-checking rotation precision;
FIG. 10 is a schematic diagram showing a semi-cutaway view of the internal structure of a positioning housing of a speed reducer with a function of self-checking rotational accuracy according to the present invention;
FIG. 11 is an enlarged schematic view of the structure of the portion A of FIG. 10 according to the present invention;
fig. 12 is a schematic diagram of a connection structure between a limiting plate and a positioning plate of a speed reducer with a function of self-checking rotation precision.
In the figure: 1. a speed reducer box seat; 2. a bearing cap; 3. a low speed shaft; 4. a precision detecting device; 5. a support shaft; 6. widening the circular ring; 7. arc-shaped protruding blocks; 41. a power module; 42. an extension plate; 43. a prompting component; 44. a limiting plate; 45. a positioning plate; 46. a first trigger block; 47. a second trigger block; 48. a third trigger block; 49. a fourth trigger block; 410. a fifth trigger block; 411. a sixth trigger block; 412. a support plate; 413. a guide rod; 414. an L-shaped extension strut; 415. compressing the tablets; 416. a pagoda spring; 417. an annular groove; 418. an arc-shaped adapter plate; 419. a limit clamping groove; 420. a through hole; 421. a reinforcing plate; 422. a limit baffle; 423. an anti-drop plate; 424. a transmission line; 431. positioning a shell; 432. a butt joint clamping groove; 433. a triangular contact; 434. butt joint pieces; 435. a first stop lever; 436. an anti-falling sheet; 437. a return spring; 438. a telescopic rod; 439. a driven lever; 440. butt joint ends; 441. a limit rotating rod; 442. a limiting block; 443. a contact tip; 444. an arc chute; 445. an abutting plate; 446. an inductor; 447. triggering the end socket; 448. a receiving cavity; 449. a second limit rod; 450. a limiting ring; 451. and a support spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1, 2, 3, 4, 5, 6, 7 and 12: the speed reducer with the self-checking rotation precision function comprises a speed reducer box seat 1, a bearing cover 2, a low-speed shaft 3 and a supporting shaft 5, wherein one end of the low-speed shaft 3 is fixedly connected with one end of the supporting shaft 5, one end of the supporting shaft 5 penetrates through the bearing cover 2, the bearing cover 2 is arranged on one side of the speed reducer box seat 1, a precision detection device 4 is fixedly arranged on one side of the bearing cover 2, a widened circular ring 6 is clamped on the outer wall of the low-speed shaft 3, an arc-shaped protruding block 7 is fixedly arranged on one side of the widened circular ring 6, the arc-shaped protruding block 7 is positioned between the precision detection device 4 and the widened circular ring 6, the precision detection device 4 comprises a power supply module 41, an extension plate 42, a limiting plate 44, a positioning plate 45, a first trigger block 46, a second trigger block 47, a third trigger block 48, a fourth trigger block 49, a fifth trigger block 410 and a sixth trigger block 411, the power module 41 is fixedly arranged on one side of the bearing cover 2, the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 have the same structure, are connected in a sliding way between a straight line and the limiting plate 44 in a head-to-tail way, an annular groove 417 is formed on the outer wall of the first trigger block 46, one side of the first trigger block 46 is rotatably connected with a supporting plate 412, the upper surface of the supporting plate 412 is fixedly connected with a guide rod 413, the guide rod 413 penetrates through the positioning plate 45, a pagoda spring 416 is fixedly connected between the supporting plate 412 and the positioning plate 45, L-shaped extension supporting rods 414 are fixedly arranged on two sides of the supporting plate 412, an arc-shaped adapter plate 418 is fixedly arranged on one side of the L-shaped extension supporting rods 414, a pressing plate 415 is fixedly connected inside the arc-shaped adapter plate 418, a prompting component 43 is fixedly arranged on the outer wall of the power module 41, compressed tablet 415 is inserted inside cue assembly 43.
In this embodiment, the power module 41 of the precision detecting device 4 is mounted on the bearing cover 2, the bearing cover 2 is located at the junction of the speed reducer housing 1 and the low speed shaft 3, the whole precision detecting device 4 is connected with the prompt component 43 through the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411, and the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 respectively correspond to different offset ranges; the low-speed shaft 3 is connected with a transmission structure in the speed reducer through a supporting shaft 5, when the speed reducer is used, the rotation of the low-speed shaft 3 synchronously drives the widened circular ring 6 to rotate, the widened circular ring 6 pushes one trigger block to move by utilizing the arc-shaped convex blocks 7, and the power module 41, the extension plate 42, the limiting plate 44, the positioning plate 45, the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 are all arranged on the supporting plate 412 and are exemplified by the first trigger block 46; in the initial state, when the first trigger block 46 is not in contact with the arc-shaped protruding block 7, under the propping of the pagoda spring 416, the first trigger block 46 and the supporting plate 412 are both positioned near the limiting plate 44, and the pressing sheet 415 is inserted into the prompting component 43 at the moment to prevent the prompting component 43 from sending prompting information; when the widened circular ring 6 rotates until the arc-shaped protruding block 7 contacts with the first trigger block 46, the arc-shaped protruding block 7 pushes the first trigger block 46 to be close to the positioning plate 45, and in the process, the supporting plate 412 moves along the direction of the guide rod 413 and synchronously compresses the pagoda spring 416, and the guide rod 413 is connected with the positioning plate 45 to determine the moving route of the supporting plate 412; when the first trigger block 46 moves, the supporting plate 412 is synchronously driven to move upwards along the direction of the guide rod 413, the guide rod 413 is slidably connected with the positioning plate 45, in the process that the supporting plate 412 is close to the positioning plate 45, the L-shaped extending support rod 414 installed on the upper surface of the supporting plate 412 pulls the compressed sheet 415 away from the prompting component 43, the compressed sheet 415 is connected with the L-shaped extending support rod 414 through the arc-shaped adapter plate 418, the compressed sheet 415 and the L-shaped extending support rod 414 are in a mutually perpendicular state, the stability of the compressed sheet 415 is improved, after the compressed sheet 415 leaves the prompting component 43, the prompting component 43 can immediately send out prompting information, if the speed reducer is in operation, the arc-shaped protruding block 7 on the widened circular ring 6 pushes different trigger blocks, so that a plurality of prompting signals are sent out, and the offset of the low-speed shaft 3 can be obtained according to different signals.
Embodiment two: as shown in fig. 6, 9, 10 and 11, the prompt component 43 includes a positioning casing 431 and a triangular contact 433, the triangular contact 433 is movably mounted in the positioning casing 431, a butt joint slot 432 is formed at the joint of the positioning casing 431 and the pressing sheet 415, the triangular contact 433 is located in the butt joint slot 432, one side of the positioning casing 431 is fixedly connected with a transmission line 424, an input end of the transmission line 424 is movably connected with an output end of the power module 41, one end of the triangular contact 433 is fixedly connected with a butt joint sheet 434, a first limit rod 435 is fixedly mounted in the positioning casing 431, the first limit rod 435 penetrates through the butt joint sheet 434, one end of the first limit rod 435 is fixedly mounted with a drop-proof sheet 436, a reset spring 437 is fixedly connected between the butt joint sheet 434 and the positioning casing 431 and sleeved on the outer wall of the first limit rod 435, a telescopic rod 438 is fixedly arranged on one side of the butt joint piece 434, a driven lever 439 is rotationally connected to one side of the telescopic rod 438, a limit rotating rod 441 is rotationally connected to the middle point of the driven lever 439, the limit rotating rod 441 is rotationally arranged in the locating shell 431, a butt joint end 440 is fixedly arranged at the other end of the driven lever 439, a limit block 442 is fixedly arranged in the locating shell 431, a contact end 443 is welded on one side of the limit block 442, the butt joint end 440 is slidingly connected in the limit block 442, an arc-shaped chute 444 is arranged at the joint of the limit block 442 and the butt joint end 440, the contact ends 443 are positioned at two ends of the arc-shaped chute 444, a trigger end 447 is fixedly arranged in the contact end 443, a butt joint plate 445 is movably arranged at the joint of the contact end 443 and the arc-shaped chute 444, an inductor 446 is fixedly arranged on one side of the butt joint plate 445, limit rings 450 are fixedly arranged at two ends of the butt joint plate 445, the inside of contact end 443 has offered and has held cavity 448, and fixed mounting has second gag lever post 449 on the inner wall of holding cavity 448, and the spacing ring 450 cup joints on the outer wall of second gag lever post 449, has cup jointed supporting spring 451 on the outer wall of second gag lever post 449, and one end fixed connection of supporting spring 451 is in one side of spacing ring 450.
In this embodiment, in an initial state, the pressing sheet 415 presses the triangular contact sheet 433 into the positioning housing 431, at this time, the sensor 446 at one end of the limiting block 442 is inserted into the contact terminal 443, the trigger terminal 447 in the contact terminal 443 inhibits the sensor 446, at this time, the sensor 446 does not send a prompt signal, when the pressing sheet 415 leaves the docking slot 432, the resilience of the return spring 437 pulls the docking sheet 434 to the vicinity of the docking slot 432, at this time, the triangular contact sheet 433 pops out from the docking slot 432, the resilience direction of the return spring 437 is determined by the first limiting rod 435, and the position between the docking sheet 434 and the first limiting rod 435 is limited by the anti-falling sheet 436; in the process that the butt joint tab 434 approaches the butt joint clamping groove 432, the telescopic rod 438 drives the driven lever 439 to rotate by taking the limit rotary rod 441 as the center of a circle, the length of the telescopic rod 438 can be changed, so that the telescopic rod can adapt to the rotation of the driven lever 439, the butt joint end 440 can be pushed into the other contact end 443 along the arc chute 444 by the rotation of the driven lever 439, the inductor 446 near the contact end 443 is pressed into the triggering end 447, so that the inductor 446 in the position sends a prompt signal once, the arc-shaped protruding block 7 can sequentially trigger different prompt components 43 in the process that the arc-shaped protruding block 7 leaves the triggering block, the pressing sheet 415 can press the triangular contact tab 433 into the positioning shell 431 again, the butt joint end 440 is pushed back into the initial contact end 443 by the driven lever 439, the limit ring 450 is sprung up by the supporting spring 451 in the other contact end 443, the inductor 446 is taken away from the triggering end 447 by the butt joint plate 445, the movement of the butt joint plate 448 can be limited by the second limit rod 449 in the accommodating cavity 448, and the problem of dislocation of the triggering end 446 and the triggering end 447 is prevented; each contact end 443 is positioned on the limiting block 442 and is kept in a relatively separated state with the triangular contact piece 433, when the widened circular ring 6 is in a high-speed rotating state, the influence on the sensor 446 and the trigger end 447 is reduced, the internal structure is not damaged due to the high-speed movement of the compression piece 415, and the integral structural stability is ensured; the power source for cue assembly 43 is supplied primarily by power module 41, and the terminals of sensor 446 and trigger tip 447 are connected to transmission line 424.
Embodiment III: according to the embodiments shown in fig. 4, fig. 6, fig. 7, fig. 8 and fig. 12, the precision detecting device 4 includes a power module 41, an extension board 42, a limiting board 44, a positioning board 45, a first trigger block 46, a second trigger block 47, a third trigger block 48, a fourth trigger block 49, a fifth trigger block 410 and a sixth trigger block 411, wherein the power module 41 is fixedly installed on one side of the bearing cover 2, the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 have the same structure, and are connected in a straight line and connected with the limiting board 44 in a sliding manner, an annular groove 417 is formed on the outer wall of the first trigger block 46, one side of the first trigger block 46 is rotatably connected with a support plate 412, the upper surface of the support plate 412 is fixedly connected with a guide rod 413, the guide rod 413 penetrates the positioning board 45, a pagoda spring 416 is fixedly connected between the supporting plate 412 and the positioning plate 45, L-shaped extension supporting rods 414 are fixedly arranged at two sides of the supporting plate 412, an arc-shaped adapter plate 418 is fixedly arranged at one side of the L-shaped extension supporting rods 414, a pressing sheet 415 is fixedly connected inside the arc-shaped adapter plate 418, a prompting component 43 is fixedly arranged on the outer wall of the power module 41, the pressing sheet 415 is inserted into the prompting component 43, a reinforcing plate 421 is fixedly arranged on the outer wall of the limiting plate 44, the other end of the reinforcing plate 421 is fixedly connected at one side of the positioning plate 45, the width of the reinforcing plate 421 is equal to the width of an annular groove 417, a through hole 420 is formed at the joint of the positioning plate 45 and a guide rod 413, limiting clamping grooves 419 are formed at two sides of the supporting plate 412, limiting baffles 422 are fixedly arranged at two sides of the reinforcing plate 421, the reinforcing plate 421 and the limiting baffles 422 are in sliding connection with the supporting plate 412 through the limiting clamping grooves 419, the junction fixed mounting of limit baffle 422 and gusset plate 421 has anticreep board 423, and one side overlap joint of backup pad 412 is in one side of anticreep board 423, and first trigger piece 46, second trigger piece 47, third trigger piece 48, fourth trigger piece 49, fifth trigger piece 410 and sixth trigger piece 411 all are located the one side of widening ring 6.
In this embodiment, the extending plate 42 surrounds the circumference of the low speed shaft 3, and a certain space is reserved between the extending plate and the low speed shaft 3 to avoid affecting the normal use of the low speed shaft 3, the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 are connected end to end, and slidingly connected with the limiting plate 44, and a specific position is limited by the anti-falling plate 423 on the reinforcing plate 421, and under normal conditions, the pagoda spring 416 will push the supporting plate 412 against the anti-falling plate 423, and the supporting plate 412 is connected with the reinforcing plate 421 and the limiting baffle 422 through the limiting slot 419 to determine the moving route of the supporting plate 412 and prevent the dislocation problem; in the process that the widened circular ring 6 is driven to rotate by the low-speed shaft 3, the arc-shaped protruding block 7 pushes the first trigger block 46 and the supporting plate 412 to move along the direction of the reinforcing plate 421, the guide rod 413 can move outwards along the through hole 420 on the positioning plate 45, and the annular groove 417 on the trigger block can prevent the trigger block from contacting with the reinforcing plate 421; the position of the widened circular ring 6 and the low-speed shaft 3 are kept in a synchronous state, and when the low-speed shaft 3 is shifted, the position of the widened circular ring 6 is shifted along with the shift, so that the arc-shaped protruding blocks 7 can push different trigger blocks to move in the rotating process; the first trigger block 46, the second trigger block 47, the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 respectively correspond to six measurement ranges, under normal conditions, the rotation of the low-speed shaft 3 can only trigger the first trigger block 46 and the second trigger block 47, the specific rotation speed can be detected at this time, once the shaft center of the low-speed shaft 3 is deviated, the position of the widened circular ring 6 is synchronously deviated, then in the process of rotating the low-speed shaft 3, the arc-shaped protruding block 7 is contacted with the third trigger block 48, the fourth trigger block 49, the fifth trigger block 410 and the sixth trigger block 411 according to the deviation, and different trigger blocks correspond to different sensors 446, so that the measurement and calculation of the rotation shaft center precision are realized.
The application method and the working principle of the device are as follows: the low-speed shaft 3 is connected with a transmission structure arranged in the speed reducer box seat 1 through a supporting shaft 5, when the low-speed shaft 3 rotates, the widened circular ring 6 is synchronously driven to rotate, the precision detection device 4 surrounds the circumference of the low-speed shaft 3, when the widened circular ring 6 rotates, the arc-shaped protruding block 7 pushes different trigger blocks according to the position of the low-speed shaft 3, when the axis of the low-speed shaft 3 is not deviated, only the first trigger block 46 and the second trigger block 47 can be triggered, and when the axis is deviated, other trigger blocks can be triggered according to specific deviation; in the initial state, the pressing sheet 415 is positioned in the abutting joint slot 432, the triangular contact sheet 433 is pressed in the positioning shell 431, at this time, only one side of the sensor 446 of the limiting block 442 is abutted with the triggering end 447, at this time, the sensor 446 is in a restrained state, when the arc-shaped convex block 7 pushes the first triggering block 46 to move along the direction of the reinforcing plate 421, the supporting plate 412 is close to the positioning plate 45 and synchronously compresses the pagoda spring 416, and in the process, the L-shaped extending support rod 414 pulls the pressing sheet 415 out of the abutting joint slot 432 in the positioning shell 431, so as to release the triangular contact sheet 433; at this time, the reset spring 437 pushes the telescopic rod 438 to move through the abutting piece 434, so that the driven lever 439 rotates around the limit rotating rod 441 to pull the abutting end 440 out of one contact end 443, at this time, the inductor 446 loses the inhibition of the triggering end 447 and sends a signal once, the inductor 446 on the other side is pressed into the triggering end 447, so that the sending of the signal is stopped, different prompt components 43 are continuously triggered in the process of widening the rotation of the circular ring 6, so that the speed precision can be determined, the triggering block is triggered, and the offset precision of the rotation axis can be detected; after the arc-shaped projection 7 leaves the trigger block, the resilience of the supporting spring 451 will spring the abutment plate 445 away from the trigger end 447 through the limiting ring 450, the pressing sheet 415 will press the triangular contact 433 into the positioning housing 431 again, and the anti-falling sheet 436 will limit the position of the abutment plate 434.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a speed reducer that possesses self-checking rotation precision function, includes speed reducer box seat (1), bearing cap (2), low-speed shaft (3) and back shaft (5), fixed connection between the one end of low-speed shaft (3) and the one end of back shaft (5), bearing cap (2) are run through to the one end of back shaft (5), one side at speed reducer box seat (1) is installed to bearing cap (2), its characterized in that: one side of the bearing cover (2) is fixedly provided with an accuracy detection device (4), the outer wall of the low-speed shaft (3) is clamped with a widened circular ring (6), one side of the widened circular ring (6) is fixedly provided with an arc-shaped protruding block (7), and the arc-shaped protruding block (7) is positioned between the accuracy detection device (4) and the widened circular ring (6);
the precision detection device (4) comprises a power module (41), an extension plate (42), a limiting plate (44), a positioning plate (45), a first trigger block (46), a second trigger block (47), a third trigger block (48), a fourth trigger block (49), a fifth trigger block (410) and a sixth trigger block (411), wherein the power module (41) is fixedly arranged on one side of a bearing cover (2), the first trigger block (46), the second trigger block (47), the third trigger block (48), the fourth trigger block (49), the fifth trigger block (410) and the sixth trigger block (411) are identical in structure, and are connected in a sliding mode between a straight line and the limiting plate (44), an annular groove (417) is formed in the outer wall of the first trigger block (46), one side of the first trigger block (46) is rotatably connected with a supporting plate (412), the upper surface of the supporting plate (412) is fixedly connected with a guide rod (413), the guide rod (413) penetrates through the positioning plate (45), and a spring (416) is fixedly connected between the supporting plate (412) and the positioning plate (45);
the utility model discloses a power module, including power module (41), support board (412), L shape extension branch (414) are all fixed mounting in both sides of support board (412), one side fixed mounting of L shape extension branch (414) has arc keysets (418), the inside fixedly connected with of arc keysets (418) suppresses piece (415), fixed mounting has suggestion subassembly (43) on the outer wall of power module (41), peg graft of suppression piece (415) in the inside of suggestion subassembly (43).
2. The speed reducer with a function of self-checking rotation precision according to claim 1, characterized in that: the prompt assembly (43) comprises a positioning shell (431) and a triangular contact (433), wherein the triangular contact (433) is movably mounted inside the positioning shell (431), a butt joint clamping groove (432) is formed in the joint of the positioning shell (431) and a pressing sheet (415), the triangular contact (433) is located inside the butt joint clamping groove (432), one side of the positioning shell (431) is fixedly connected with a transmission line (424), and the input end of the transmission line (424) is movably connected with the output end of the power module (41).
3. The speed reducer with a function of self-checking rotation precision according to claim 2, characterized in that: one end fixedly connected with butt joint piece (434) of right angle joint piece (433), the inside fixed mounting of location casing (431) has first gag lever post (435), first gag lever post (435) runs through butt joint piece (434), the one end fixed mounting of first gag lever post (435) has anticreep piece (436), fixedly connected with reset spring (437) between butt joint piece (434) and location casing (431), reset spring (437) cup joint on the outer wall of first gag lever post (435).
4. A speed reducer with a function of self-checking rotation precision according to claim 3, characterized in that: one side of butt joint piece (434) fixed mounting has telescopic link (438), one side of telescopic link (438) rotates and is connected with driven lever (439), the mid point department fixed mounting of driven lever (439) has spacing bull stick (441), spacing bull stick (441) rotate and install in the inside of location casing (431), the other end fixed mounting of driven lever (439) has butt joint end (440).
5. The speed reducer with the function of self-checking rotation precision according to claim 4, wherein: the positioning shell is characterized in that a limiting block (442) is fixedly arranged in the positioning shell (431), one side of the limiting block (442) is welded with a contact end (443), the butt joint end (440) is slidably connected in the limiting block (442), an arc-shaped sliding groove (444) is formed in the joint of the limiting block (442) and the butt joint end (440), and the contact end (443) is located at two ends of the arc-shaped sliding groove (444).
6. The speed reducer with the function of self-checking rotation precision according to claim 5, wherein: the inside fixed mounting of contact end (443) has trigger end (447), the junction movable mounting of contact end (443) and arc spout (444) has butt joint board (445), one side fixed mounting of butt joint board (445) has inductor (446), the equal fixed mounting in both ends of butt joint board (445) has spacing ring (450), holding cavity (448) have been seted up to the inside of contact end (443), fixed mounting has second gag lever post (449) on the inner wall of holding cavity (448), spacing ring (450) cup joint on the outer wall of second gag lever post (449), cup joint supporting spring (451) on the outer wall of second gag lever post (449), one end fixed connection of supporting spring (451) is in one side of spacing ring (450).
7. The speed reducer with a function of self-checking rotation precision according to claim 1, characterized in that: the outer wall of limiting plate (44) is last fixed mounting has gusset plate (421), the other end fixed connection of gusset plate (421) is in one side of locating plate (45), the width of gusset plate (421) equals with the width of ring channel (417), through-hole (420) have been seted up in the junction of locating plate (45) and guide bar (413).
8. The speed reducer with the function of self-checking rotation precision according to claim 7, wherein: limiting clamping grooves (419) are formed in two sides of the supporting plate (412), limiting baffle plates (422) are fixedly mounted on two sides of the reinforcing plate (421), and the reinforcing plate (421) and the limiting baffle plates (422) are connected with the supporting plate (412) in a sliding mode through the limiting clamping grooves (419).
9. The speed reducer with the function of self-checking rotation precision according to claim 8, wherein: the junction fixed mounting of limit baffle (422) and gusset plate (421) has anticreep board (423), one side overlap joint of backup pad (412) is in one side of anticreep board (423).
10. The speed reducer with the function of self-checking rotation precision according to claim 8, wherein: the first trigger block (46), the second trigger block (47), the third trigger block (48), the fourth trigger block (49), the fifth trigger block (410) and the sixth trigger block (411) are all positioned on one side of the widened circular ring (6).
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| CN202311282198.2A CN117007305B (en) | 2023-10-07 | 2023-10-07 | Speed reducer with self-checking rotation precision function |
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| CN202311282198.2A CN117007305B (en) | 2023-10-07 | 2023-10-07 | Speed reducer with self-checking rotation precision function |
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