CN104502134A - Automatic push-pull device, disinfection cabinet drawer reliability testing device and method - Google Patents
Automatic push-pull device, disinfection cabinet drawer reliability testing device and method Download PDFInfo
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- CN104502134A CN104502134A CN201410795547.5A CN201410795547A CN104502134A CN 104502134 A CN104502134 A CN 104502134A CN 201410795547 A CN201410795547 A CN 201410795547A CN 104502134 A CN104502134 A CN 104502134A
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 83
- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005693 optoelectronics Effects 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 description 12
- 238000005452 bending Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
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Abstract
The invention relates to an automatic push-pull device, a disinfection cabinet drawer reliability testing device and a method, wherein the automatic push-pull device comprises a motor, a gear rack mechanism and a clamping mechanism, the motor is arranged on a rack and is in driving connection with the gear rack mechanism, the gear rack mechanism is in driving connection with the clamping mechanism, the clamping mechanism is used for clamping a drawer type structure, the motor rotates forwards and backwards to transmit power to the gear rack mechanism, the gear rack mechanism transmits the power to the clamping mechanism to drive the clamping mechanism to move forwards and backwards, and therefore closing and opening tests of the drawer type structure are achieved. The invention can replace manual test, is convenient to operate, saves human resources, improves the test efficiency, and has higher consistency and accuracy of the experimental result than manual test.
Description
Technical field
The present invention relates to device performance field tests, particularly relate to a kind of automatic sliding device, disinfection cabinet drawer RTA reliability test assembly and method.
Background technology
Disinfection cabinet refers to by modes such as ultraviolet, far infrared, high temperature, ozone, carries out the instrument of sterilizing, insulation dehumidifying to article such as tableware, tableware, towel, clothing, cosmetology apparatus, medicine equipments.Drawer due to disinfection cabinet needs often to open and close, therefore, disinfection cabinet, before coming into the market, needs to test disinfection cabinet drawer, so that ensure that disinfection cabinet drawer system comprises hinge, door switch, crack between a door and its frame press strip and other associate components, the wearing and tearing in normal use must can be stood.
By manually opening disinfection cabinet drawer about 15000 times (once opening test is drawer is opened shut again) to the method for testing of disinfection cabinet drawer in prior art, to test the reliability that disinfection cabinet drawer system comprises the parts such as hinge, door switch, it is qualified to judge whether.In test process, drawer is opened to range, the shelf planted agent on drawer puts the utensil of regulation by the description of product, and the speed opening drawer should be not more than 6 times/min, and during test, disinfection cabinet is powered with rated voltage, but disinfection cabinet does not work.After completing out drawer test, require that the parts of any machinery or electric aspect all do not have the inefficacy of impact safety, ozone leakage amount should not be above standard requirement.
The defect that above-mentioned method of testing exists is: operate by manually completing, the influenced many factors of test result, and as operating speed, to feel bad control, push-and-pull dynamics not controlled, and its automaticity is low, the labor capacity of increase laboratory technician.
Summary of the invention
The object of the invention is to propose a kind of automatic sliding device, disinfection cabinet drawer RTA reliability test assembly and method, it can save human resources, improves testing efficiency.
For achieving the above object, the invention provides a kind of automatic sliding device, it comprises the motor be arranged in frame, pinion and rack and clamping device, described motor drives and connects described pinion and rack, described pinion and rack drives and connects described clamping device, described clamping device is used for clamping drawer-type structure, described motor forward or reverse, all can give described pinion and rack by power transmission, power transmission is given described clamping device by described pinion and rack, described clamping device is driven to seesaw, and then realize the closedown of described drawer-type structure and open test.
One preferably or in embodiment, described pinion and rack comprises driving gear, follower gear and tooth bar, described driving gear is arranged on the output shaft of described motor, described driving gear engages with described follower gear, described follower gear engages with described tooth bar, and described tooth bar connects described clamping device.
One preferably or in embodiment, described follower gear comprises the first follower gear and the second follower gear, and described first follower gear engages with described driving gear, and described second follower gear engages with described first follower gear and described tooth bar.
One preferably or in embodiment, described first follower gear comprises the coaxial gear wheel that arranges and pinion wheel, and described gear wheel engages with described driving gear, and described pinion wheel engages with described second follower gear.
One preferably or in embodiment, described frame is also provided with the first optoelectronic switch and the second optoelectronic switch, described tooth bar runs to described first optoelectronic switch position, described first optoelectronic switch sends signal, described drawer-type structure opening action completes, described tooth bar runs to described second optoelectronic switch position, and described second optoelectronic switch sends signal, and described drawer-type structure closing motion completes.
One preferably or in embodiment, also comprise controller, the first relay and the second relay, described first optoelectronic switch and described second optoelectronic switch are electrically connected described controller, described controller described first relay of electrical connection and described second relay, described first relay and described second relay are electrically connected described motor, realize the rotating forward of described motor, reversion and stopping by described first relay and described second relay.
One preferably or in embodiment, described automatic sliding device comprises two motors, each described motor correspondence drives and connects set of gears rack mechanism, described in every suit, pinion and rack correspondence drives and connects a set of clamp structure, and the described clamping device of two covers respectively corresponding clip is held in the both sides of described drawer-type structure.
One preferably or in embodiment, described automatic sliding device comprises two motors, each described motor correspondence drives and connects set of gears rack mechanism, described in every suit, pinion and rack correspondence drives and connects a set of clamp structure, and the described clamping device of two covers connects at least two described drawer-type structures by a set of connecting link.
For achieving the above object, present invention also offers a kind of disinfection cabinet drawer RTA reliability test assembly, comprise disinfection cabinet and disinfection cabinet drawer, also comprise the automatic sliding device in above-mentioned any embodiment.
One preferably or in embodiment, described disinfection cabinet drawer is provided with electronic lock, and described electronic lock is electrically connected the controller in described automatic sliding device.
One preferably or in embodiment, also comprise adjustable up-down platform, described automatic sliding device is placed on described adjustable up-down platform.
One preferably or in embodiment, described adjustable up-down platform comprises table top and adjustable legs, described adjustable legs is for supporting described table top, described adjustable legs comprises outer supporting leg and interior supporting leg, it is outside that described outer supporting leg is located at described interior supporting leg, described interior supporting leg and described outer supporting leg being provided with several adjustment hole, after the adjustment hole on the adjustment hole on described interior supporting leg and described outer supporting leg aligns, locking by plugging bearing pin.
For achieving the above object, present invention also offers a kind of disinfection cabinet drawer method for testing reliability, it adopts above-mentioned automatic sliding device, and method of testing comprises the following steps:
S1) clamping device and disinfection cabinet drawer are clamped and connected, controller controls the first relay and obtains electric, motor reversal or rotating forward, when tooth bar runs to the first optoelectronic switch position, disinfection cabinet drawer is opened and is put in place, first optoelectronic switch sends signal to controller, and controller controls the first relay power-off, and motor stops;
S2) controller controls the second relay and obtains electric, motor forward or reverse, and when tooth bar runs to the second optoelectronic switch position, disinfection cabinet drawer is closed and put in place, and the second optoelectronic switch sends signal to controller, and controller controls the second relay power-off, and motor stops;
S3) above-mentioned steps S1 is repeated) and step S2), complete the test of disinfection cabinet drawer.
Based on technique scheme, the present invention at least has following beneficial effect:
The present invention is driven by motor and connects pinion and rack, driven by pinion and rack and connect clamping device, can be used in clamping the drawer-type structure needing to detect by clamping device, motor rotates and reverse, supply power to pinion and rack, pinion and rack drives before and after clamping device and runs, realize the closedown of drawer-type structure and open test, the present invention can substitute manual testing, easy to operate, saved human resources, improve testing efficiency, and experimental result consistance, accuracy comparatively manual testing is high.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic front view of disinfection cabinet drawer RTA reliability test assembly provided by the invention;
Fig. 2 is the schematic top plan view of disinfection cabinet drawer RTA reliability test assembly provided by the invention;
Fig. 3 is the structural representation of automatic sliding device internal gear provided by the invention transmission;
Fig. 4 is that automatic sliding device provided by the invention is simultaneously to the schematic diagram that several drawer is tested;
Fig. 5 is the first schematic diagram that the strength check of binodal gear provided by the invention is analyzed;
Fig. 6 is the second schematic diagram that the strength check of binodal gear provided by the invention is analyzed.
In accompanying drawing:
1-automatic sliding device; 2-adjustable up-down platform; 3-disinfection cabinet; 4-disinfection cabinet drawer; 5-pinion and rack; 6-frame; 7-driving gear; 8-first follower gear; 9-second follower gear; 10-tooth bar; 11-first optoelectronic switch; 12-second optoelectronic switch;
The outer supporting leg of 21-; Supporting leg in 22-; 23-bearing pin.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 2, in the illustrative examples of automatic sliding device 1 provided by the invention, automatic sliding device 1 can comprise the motor be arranged in frame 6, pinion and rack 5 and clamping device, motor drives and connects pinion and rack 5, pinion and rack 5 drives and connects clamping device, and clamping device is for clamping drawer-type structure to be tested.Motor reversal or rotating forward provide power, and the power transmission that motor provides is to pinion and rack 5, and the power transmission that motor provides by pinion and rack 5, to clamping device, drives the forward and backward motion of clamping device, realize the opening and closing test of drawer-type structure.
In above-mentioned illustrative examples, the form of motor-driven gear rack mechanism 5 is adopted to provide push-and-pull power, the speed and strength of push-and-pull can regulate according to different drawer-type structures, and the speed and strength of push-and-pull is more even, good reliability, and adopting pinion and rack 5 to transmit power, structure is simple, easy to maintenance.
As shown in Figure 3, in the illustrative examples of automatic sliding device 1 provided by the invention, pinion and rack 5 can comprise driving gear 7, follower gear and tooth bar 10, driving gear 7 is arranged on the output shaft of motor, driving gear 7 engages with follower gear, driven tooth wheel and rack 10 engages, and tooth bar 10 connects clamping device.Frame 6 can also be provided with the track for making tooth bar 10 run within it.
In the illustrative examples of automatic sliding device 1 provided by the invention, follower gear at least can comprise the first follower gear 8 and the second follower gear 9, first follower gear 8 engages with driving gear 7, second follower gear 9 engages with the first follower gear 8 and tooth bar 10, and then the rotation of each gear is converted to the movable of tooth bar 10.
One preferably or in embodiment, the first follower gear 8 can comprise the coaxial gear wheel that arranges and pinion wheel, and gear wheel engages with driving gear 7, and pinion wheel engages with the second follower gear 9.
In the illustrative examples of automatic sliding device 1 provided by the invention, frame 6 is also provided with the first optoelectronic switch 11 and the second optoelectronic switch 12, first optoelectronic switch 11 is near pinion and rack 5, second optoelectronic switch 12 is near drawer-type structure, tooth bar 10 runs to the first optoelectronic switch 11 position, first optoelectronic switch 11 sends signal, represent that drawer-type structure opening action completes, tooth bar 10 runs to the second optoelectronic switch 12 position, second optoelectronic switch 12 sends signal, represents that drawer-type structure closing motion completes.The position of the first optoelectronic switch 11 and the second optoelectronic switch 12 can regulate, and then can regulate the stroke of drawer-type structure, to be applicable to different drawer-type structures.
In the illustrative examples of automatic sliding device 1 provided by the invention, automatic sliding device 1 also comprises can controller, the first relay and the second relay, first optoelectronic switch 11 and the second optoelectronic switch 12 are electrically connected controller, controller is electrically connected the first relay and the second relay, first relay and the second relay electrical connection motor, realize the rotating forward of motor, reversion and stopping by the first relay and the second relay.
When tooth bar 10 arrives the position of the first optoelectronic switch 11 or the second optoelectronic switch 12, signal can be sent to controller, controller output signal gives the first relay or the second relay, and the first relay obtains electric can expression and controls motor forward or reverse, and power-off can represent that motor stops; Second relay obtains electric expression that can be corresponding and controls motor reversal or rotating forward, and power-off can represent that motor stops.The number of times of the signal that controller can also be sent by record first optoelectronic switch 11 or the second optoelectronic switch 12 calculates the number of times opening closing drawers formula structure.
In above-mentioned illustrative examples, by arranging controller, relay and optoelectronic switch, not only can realize the automatic opening and closing of drawer-type structure, and can realize automatically controlling drawer-type structure open stroke and testing time.
Further, controller can adopt the form of single-chip microcomputer, control circuit or other control chips, controller can also be provided with multiple two eight display screens, is used for showing record number of run.
The automatic sliding device 1 provided in the various embodiments described above may be used for the various opening and closing test with the device of drawer-type structure, such as, the opening and closing test of disinfection cabinet drawer can be applied in, or be applied in drawer-type structure on cabinet open or close test.
Enumerate automatic sliding device 1 provided by the invention below and be applied in a specific embodiment on disinfection cabinet drawer RTA reliability test assembly.
As shown in Figure 1, for the illustrative examples of disinfection cabinet drawer RTA reliability test assembly provided by the invention, in this illustrative examples, disinfection cabinet drawer RTA reliability test assembly comprises the automatic sliding device 1 in above-mentioned any embodiment, adjustable up-down platform 2 can also be comprised, automatic sliding device 1 is placed on adjustable up-down platform 2, the height of automatic sliding device 1 is regulated by adjustable up-down platform 2, so that automatic sliding device 1 can be connected with the disinfection cabinet drawer 4 of disinfection cabinet 3, realize opening and closing disinfection cabinet drawer 4 by automatic sliding device 1, complete the test to disinfection cabinet drawer 4.
In the illustrative examples of disinfection cabinet drawer RTA reliability test assembly provided by the invention, automatic sliding device 1 can comprise two motors, each motor correspondence drives and connects set of gears rack mechanism 5, every suit pinion and rack 5 correspondence drives and connects a set of clamp structure, and two cover clamping devices respectively corresponding clip are held in the both sides of disinfection cabinet drawer 4.
As shown in Figure 1, in the illustrative examples of disinfection cabinet drawer RTA reliability test assembly provided by the invention, adjustable up-down platform can comprise table top and adjustable legs, and adjustable legs is used for supporting bable tops.Adjustable legs can comprise outer supporting leg 21 and interior supporting leg 22, it is outside that outer supporting leg 21 is located at interior supporting leg 22, interior supporting leg 22 and outer supporting leg 21 all can being provided with several adjustment hole, after the adjustment hole on interior supporting leg 22 and the adjustment hole on outer supporting leg 21 align, locking by plugging bearing pin 23.
In above-mentioned each illustrative examples, motor can adopt synchronous motor, and the output torque of synchronous motor is large, and control mode is simple.The rotating speed of synchronous motor can be set to 40 revolution per seconds, and the travelling speed of adjustment disinfection cabinet drawer 4 can change the synchronous motor realization of different rotating speeds.Motor in above-mentioned illustrative examples also can use the motor of other types, as long as can meet output torque and synchronous axial system.
In above-mentioned illustrative examples, clamping device can adopt physical construction of the prior art to realize, and no longer describes in detail at this.
Based on the method for testing of a specific embodiment of above-mentioned disinfection cabinet drawer RTA reliability test assembly, can comprise the following steps:
S1) by disinfection cabinet 3 fixed placement, the height of automatic sliding device 1 is adjusted by adjustable up-down platform 2, to enable clamping device clamp the disinfection cabinet drawer 4 of test prototype disinfection cabinet 3, adjust the position of the first optoelectronic switch 11 and the second optoelectronic switch 12, make the stroke of disinfection cabinet drawer 4 suitable, the order such as the stroke of disinfection cabinet drawer 4 and the testing time of disinfection cabinet drawer 4 is set to controller, accurate work;
S2) frock powers on, controller controls the second relay and obtains electric, motor rotates forward and runs, drive gears carry-over bar 10 promotes forward, and when tooth bar 10 runs to the position of the second optoelectronic switch 12, controller detects the signal intensity (namely motion puts in place) of the second optoelectronic switch 12, controller provides signal, second actuating of relay disconnects, and synchronous motor stops rotating forward operation, clamping device is clamped the disinfection cabinet drawer 4 of test prototype disinfection cabinet 3;
S3) the first relay action signal given by controller, first relay obtains electric, motor reversal, when tooth bar 10 runs to the first optoelectronic switch 11 position, disinfection cabinet drawer 4 is opened and is put in place, and the first optoelectronic switch 11 sends signal to controller, controller detects the signal intensity (namely motion puts in place) of the first optoelectronic switch 11, controller provides signal, and control the first relay power-off, motor is out of service;
S4) time delay is after 1 second, controller sends signal, controls the second relay and obtains electric, and motor rotates forward and runs, when tooth bar 10 runs to the second optoelectronic switch 12 position, disinfection cabinet drawer 4 is closed and is put in place, and the second optoelectronic switch 12 sends signal to controller, and controller detects the signal intensity (namely motion puts in place) of the second optoelectronic switch 12, controller sends signal, control the second relay power-off, motor stops, and completes the test once opening and closing disinfection cabinet drawer 4.
Repeat step S3) and S4), twice signal sent by controller record second optoelectronic switch 12 under original state count disinfection cabinet drawer 4 complete open close test once, later second optoelectronic switch 12 often sends signal and counts disinfection cabinet drawer 4 and complete to open and cut out test once, until reach the testing time arranged in controller, be completed.
In the illustrative examples of disinfection cabinet drawer RTA reliability test assembly provided by the invention, dynamic push-pull device at fixed 1 can also comprise multiple motor, each motor correspondence drives and connects set of gears rack mechanism 5, every suit pinion and rack 5 correspondence drives and connects a set of clamp structure, many covers clamping device can be held on the drawer of multiple disinfection cabinet by corresponding clip respectively, realizes testing the drawer of multiple disinfection cabinet simultaneously.
As shown in Figure 4, in the illustrative examples of disinfection cabinet drawer RTA reliability test assembly provided by the invention, a set of automatic sliding device 1 can also realize synchronously carrying out opening and closing test to multiple disinfection cabinet 3.Automatic sliding device 1 comprises two motors, and each motor correspondence drives and connects set of gears rack mechanism 5, and every suit pinion and rack 5 correspondence drives and connects a set of clamp structure, and two cover clamping devices connect at least two drawer-type structures by a set of connecting link.
Such as: ceramic bowls and chopsticks weight about 10 kilograms all filled by each disinfection cabinet, and experiment test loads onto the counterweight of 20 kilograms, test push-pull effort about 50 Ns can push-and-pull disinfection cabinet drawer, the average push-pull force output of device is 250 Ns, maximum output can reach 330 Ns, utilizes connecting rod that disinfection cabinet drawer is fixed, and a set of automatic sliding device can meet the test of 3 ~ 4 disinfection cabinets simultaneously, substantially increase testing efficiency, and test result consistance is stablized.
In above-described embodiment; when disinfection cabinet carries out disinfection operation; drawer is pinned by electronic lock, prevents from opening drawer in operation by mistake, and high temperature scalds people and ozone is revealed; so; in sterilization operational process, disinfection cabinet automatic lockingly can carry out safeguard protection, after disinfecting process end temp reduces; electronic lock automatic unlocking, can open drawer and get bowls and chopsticks.Will test electronic lock reliability in performance history, drawer push-and-pull experiment needs the reliability of synchronous checking electronic lock.
Disinfection cabinet drawer RTA reliability test assembly provided by the invention has synchronous checking drawer electronic lock function, and has electronic lock switch controlling functions.
Control mode: disinfection cabinet powers on standby, receives electronic lock switch signal wire on controller.When drawer is advancing to the position, namely tooth bar arrives the second optoelectronic switch 12 position, controller receives the signal of the second optoelectronic switch 12, controller controls second actuating of relay and disconnects, two synchronous motors stop rotating forward operation, drawer is pinned in electronic lock action simultaneously, time delay is after 1 second, controller sends signal to first actuating of relay, electronic lock unlocks, and (the second relay disconnects, electronic lock is locked, first actuating of relay, electronic lock unlocks), two synchronous motor reversions, when drawer runs to the first optoelectronic switch 11 position, controller detects the signal intensity (namely motion puts in place) of the first optoelectronic switch 11, controller provides signal first relay and disconnects, two motors are out of service, time delay is after 1 second, controller sends signal to second actuating of relay, two motors rotate forward and run.Frock so repeats above sampling action.
Disinfection cabinet drawer RTA reliability test assembly provided by the invention, motor wherein and pinion and rack 5, renewal part, installation and maintenance are convenient, and only gearcase lid need be opened, motor, driving wheel and engaged wheel are easily changed.Owing to using synchronous motor, motor speed fixes 40 revolution per seconds, and the synchronous motor that adjust operation speed can change different rotating speeds or output torque realizes.
Disinfection cabinet drawer RTA reliability test assembly provided by the invention, the first follower gear 8 can comprise gear wheel and the pinion wheel of coaxial setting, and gear wheel engages with driving gear 7, and pinion wheel engages with the second follower gear 9.Follower gear adopts the form of the coaxial gear wheel of setting and the binodal gear of pinion wheel, by software model analysis and actual tests test, ensures sufficient intensity and guarantee in serviceable life.
Carry out the strength check analysis to binodal gear below.
The binodal strength of gear teeth is checked, and gear material is POM, and pulling strengrth is 55MPa, and bending strength is 60MPa.
Actual theoretical bending strength calculated value is 7.47MPa, calculating bending strength value by motor maximum moment is 33.36MPa, all be less than bending strength 60MPa, the most weak part of gear is tooth root place, as shown in a-quadrant in Fig. 5, a-quadrant is relative to B region and C region weakness, and simulation value tooth root place maximum stress value is 13.505MPa, meets requirement of strength.
Wherein, due to without material fatigue life curve, getting endurance ratio is temporarily 2, and now simulation value still meets strength of materials requirement.
Gear tooth is stressed by being that motor rotation blockage calculates time maximum, and acting force gets motor rotation blockage output valve.
Binodal strength of gear teeth check analysis: binodal gear material is POM, pulling strengrth is 55MPa, and bending strength is 60MP:
1) binodal gear calculates tooth root place maximum stress value by real load is 6.13MPa, is 27.4MPa, by finding out that bending stress suffered by tooth root is very little, can meets requirement of strength completely by motor rotation blockage Theory of Calculating Torque during Rotary bending strength value.
2) binodal gear calculates tooth root place maximum stress value by real load is 8.06MPa, and calculating bending strength value by motor maximum moment is 35.97MPa, and simulation value tooth root place maximum stress value is 26.8MPa, as shown in a-quadrant in Fig. 6, all meets requirement of strength.
Wherein, due to without material fatigue life curve, getting endurance ratio is temporarily 2.
Binodal gear tooth is stressed by being that motor rotation blockage calculates time maximum, and acting force gets motor rotation blockage output valve.
As follows through experimental verification:
1, test period:
Run 35 days, about totally 100800 times.
2, machine testing is torn open:
1) frock can normally work;
2) drive motor, controller are without exception;
3) gear, tooth bar, slide rail are without wearing and tearing, damage and blushing.
In describing the invention; it will be appreciated that; the word such as " first ", " second " is used to limit parts; be only used to be convenient to distinguish above-mentioned parts; as there is no Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as limiting the scope of the invention.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (13)
1. an automatic sliding device, it is characterized in that: comprise the motor be arranged in frame (6), pinion and rack (5) and clamping device, described motor drives and connects described pinion and rack (5), described pinion and rack (5) drives and connects described clamping device, described clamping device is used for clamping drawer-type structure, described motor forward or reverse, all can give described pinion and rack (5) by power transmission, power transmission is given described clamping device by described pinion and rack (5), described clamping device is driven to seesaw, and then realize the closedown of described drawer-type structure and open test.
2. automatic sliding device as claimed in claim 1, it is characterized in that: described pinion and rack (5) comprises driving gear (7), follower gear and tooth bar (10), described driving gear (7) is arranged on the output shaft of described motor, described driving gear (7) engages with described follower gear, described follower gear engages with described tooth bar (10), and described tooth bar (10) connects described clamping device.
3. automatic sliding device as claimed in claim 2, it is characterized in that: described follower gear comprises the first follower gear (8) and the second follower gear (9), described first follower gear (8) is engaged with described driving gear (7), and described second follower gear (9) is engaged with described first follower gear (8) and described tooth bar (10).
4. automatic sliding device as claimed in claim 3, it is characterized in that: described first follower gear (8) comprises gear wheel and the pinion wheel of coaxial setting, described gear wheel engages with described driving gear (7), and described pinion wheel engages with described second follower gear (9).
5. the automatic sliding device as described in any one of claim 2 ~ 4, it is characterized in that: described frame (6) is also provided with the first optoelectronic switch (11) and the second optoelectronic switch (12), described tooth bar (10) runs to described first optoelectronic switch (11) position, described first optoelectronic switch (11) sends signal, described drawer-type structure opening action completes, described tooth bar (10) runs to described second optoelectronic switch (12) position, described second optoelectronic switch (12) sends signal, described drawer-type structure closing motion completes.
6. automatic sliding device as claimed in claim 5, it is characterized in that: also comprise controller, the first relay and the second relay, described first optoelectronic switch (11) and described second optoelectronic switch (12) are electrically connected described controller, described controller described first relay of electrical connection and described second relay, described first relay and described second relay are electrically connected described motor, realize the rotating forward of described motor, reversion and stopping by described first relay and described second relay.
7. automatic sliding device as claimed in claim 1, it is characterized in that: described automatic sliding device comprises two motors, each described motor correspondence drives and connects set of gears rack mechanism (5), pinion and rack described in every suit (5) correspondence drives and connects a set of clamp structure, and the described clamping device of two covers respectively corresponding clip is held in the both sides of described drawer-type structure.
8. automatic sliding device as claimed in claim 1, it is characterized in that: described automatic sliding device comprises two motors, each described motor correspondence drives and connects set of gears rack mechanism (5), pinion and rack described in every suit (5) correspondence drives and connects a set of clamp structure, and the described clamping device of two covers connects at least two described drawer-type structures by a set of connecting link.
9. a disinfection cabinet drawer RTA reliability test assembly, comprises disinfection cabinet and disinfection cabinet drawer, it is characterized in that: comprise the automatic sliding device (1) as described in any one of claim 1 ~ 8.
10. disinfection cabinet drawer RTA reliability test assembly as claimed in claim 9, it is characterized in that: described disinfection cabinet drawer is provided with electronic lock, described electronic lock is electrically connected the controller in described automatic sliding device (1).
11. disinfection cabinet drawer RTA reliability test assemblies as claimed in claim 9, is characterized in that: also comprise adjustable up-down platform (2), described automatic sliding device (1) is placed on described adjustable up-down platform (2).
12. disinfection cabinet drawer RTA reliability test assemblies as claimed in claim 11, it is characterized in that: described adjustable up-down platform (2) comprises table top and adjustable legs, described adjustable legs is for supporting described table top, described adjustable legs comprises outer supporting leg (21) and interior supporting leg (22), it is outside that described outer supporting leg (21) is located at described interior supporting leg (22), described interior supporting leg (22) and described outer supporting leg (21) are provided with several adjustment hole, after adjustment hole on described interior supporting leg (22) and the adjustment hole on described outer supporting leg (21) align, lock by plugging bearing pin (23).
13. 1 kinds of disinfection cabinet drawer method for testing reliability, is characterized in that, adopt automatic sliding device as claimed in claim 6, method of testing comprises the following steps:
S1) clamping device and disinfection cabinet drawer (4) are clamped and connected, controller controls the first relay and obtains electric, motor reversal or rotating forward, when tooth bar (10) runs to the first optoelectronic switch (11) position, disinfection cabinet drawer (4) is opened and is put in place, first optoelectronic switch (11) sends signal to controller, and controller controls the first relay power-off, and motor stops;
S2) controller controls the second relay and obtains electric, motor forward or reverse, when tooth bar (10) runs to the second optoelectronic switch (12) position, disinfection cabinet drawer (4) is closed and is put in place, second optoelectronic switch (12) sends signal to controller, controller controls the second relay power-off, and motor stops;
S3) above-mentioned steps S1 is repeated) and step S2), complete the test of disinfection cabinet drawer (4).
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| CN110220340A (en) * | 2019-04-10 | 2019-09-10 | 山东宝成制冷设备有限公司 | It is a kind of to push away ice production apparatus and ice cube maker automatically |
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