CN116642692A - Large-torque constant stress acceleration life detection device - Google Patents
Large-torque constant stress acceleration life detection device Download PDFInfo
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- CN116642692A CN116642692A CN202310926485.6A CN202310926485A CN116642692A CN 116642692 A CN116642692 A CN 116642692A CN 202310926485 A CN202310926485 A CN 202310926485A CN 116642692 A CN116642692 A CN 116642692A
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- 230000001133 acceleration Effects 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 122
- 230000008878 coupling Effects 0.000 claims description 51
- 238000010168 coupling process Methods 0.000 claims description 51
- 238000005859 coupling reaction Methods 0.000 claims description 51
- 238000009434 installation Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 49
- 238000007789 sealing Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001186 cumulative effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a high-torque constant stress acceleration life detection device, which belongs to the field of speed reducer testing, wherein the scheme utilizes liquid energy to drive a motor speed reducer to act, drives another motor speed reducer to accelerate, adopts a variable frequency motor to realize load action after accelerating, utilizes a cumulative damage theory based on an S-N fatigue curve and a Miner fatigue curve, realizes a test according to the relation between torque and stress on the fatigue curve, the relation between total acceleration coefficient and each sectional stress acceleration coefficient and the relation between test load and circulation coefficient, adopts an electric power flow sealing structure type, adopts an electric energy mode to enable the input and output power of a tested piece to form sealing power flow, namely, the electric energy of a power grid is respectively supplied to a tested piece and a accompanying test piece, then is transmitted to a generator, and finally is transmitted to the motor, and the system only needs to supply friction wind resistance, power energy consumption and other power in a compensation sealing system.
Description
Technical Field
The invention relates to the field of speed reducer testing, in particular to a high-torque constant stress acceleration service life detection device.
Background
The fatigue test device of the gearbox speed reducer has various structural types, adopts a traditional mechanical power flow mode, is mainly used for specific center distance and specific gearbox loading test, and has the advantages of low test cost, wide rotating speed range and the like.
The equipment of the fatigue test device of the gearbox speed reducer in the prior art is difficult to maintain and has poor universality, if a test piece is changed, related test equipment is required to be reinstalled, debugged, time and labor are wasted, and the fatigue test device is not suitable for development tests of various products.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide a large-torque constant stress acceleration life detection device, the scheme utilizes liquid energy to drive a motor reducer to act and then drive another motor reducer to accelerate, the two motor reducers are installed back to back, a variable frequency motor is adopted to realize the load effect after the acceleration, the relation between total acceleration coefficient and each sectional stress acceleration coefficient and the relation between test load and circulation coefficient are determined according to the relation between the torque and the stress on a fatigue curve by using a cumulative damage theory based on an S-N fatigue curve and a Miner fatigue curve, meanwhile, an electric power flow sealing structure type is adopted, a test bed adopts an electric energy mode, so that the input power and the output power of a tested piece form a sealed power flow, namely the electric energy of a power grid is provided for a motor, the kinetic energy of the motor is respectively input to the tested piece and the test piece and then is transmitted to a generator, the electric energy generated by the generator is finally transmitted back to the motor, and the system only needs to be provided for compensating friction wind resistance in a sealing system, the power energy consumption and other power.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a constant stress acceleration life-span detection device of big moment of torsion, including the dull and stereotyped, the upper end sliding connection of dull and stereotyped has the movable plate, the upper end fixedly connected with motor backing plate of movable plate, variable frequency motor is installed to the upper end of motor backing plate, the upper end of dull and stereotyped is installed and is accompany the test speed reducer installing support, install the mounting flange on accompany the test speed reducer installing support, accompany the test speed reducer through the mounting flange installing, the upper end of dull and stereotyped is installed and is equipped with the sensor and fill up the high seat, and the upper end of sensor fills up the high seat and install torque rotation speed sensor, the upper end of dull and stereotyped is installed and is equipped with the speed reducer installing support, the rotation speed reducer is installed to the upper end of speed reducer installing support, this scheme utilizes liquid energy drive motor speed reducer action, and another motor speed reducer is increaseed, and two motor speed reducers are installed back to back, adopt variable frequency motor to realize the load action after the acceleration, utilize and based on S-N fatigue curve and Miner curve accumulation damage theory, according to fatigue curve upper torque and stress' S relation, total acceleration coefficient and each section stress relation are provided with the test speed reducer, the test piece form the coefficient and the test mode with the test piece and the power consumption of power that the test piece is provided with the test piece, the test mode is provided with the test piece, and the test piece is closed power consumption mode is provided for the test mode, and the test piece is provided with the test piece, and the test piece is closed power consumption power system is provided to the test mode.
Further, be equipped with sliding component between movable plate and the flat board, sliding component is including three pairs of sliders and a pair of guide rail respectively, and slider and guide rail sliding connection, a pair of the guide rail is all installed on the flat board, and three pairs the slider is all with the lower extreme fixed connection of movable plate, through sliding component's setting, the horizontal migration of convenient movable plate is convenient for variable frequency motor's installation and regulation.
Further, the upper end fixedly connected with of dull and stereotyped bilateral symmetry's bearing frame backing plate, two equal fixedly connected with 204 bearing frames on the bearing frame backing plate, two install the lead screw through the bearing in the 204 bearing frames, two the one end fixedly connected with hand wheel that keeps away from each other of lead screw, the lower extreme fixedly connected with first lead screw nut of movable plate, and first lead screw nut and the lead screw threaded connection that is located the left side, the second lead screw nut is installed to the outer end of speed reducer installing support, and second lead screw nut and the lead screw threaded connection that is located the right side, through the setting of lead screw, cooperation first lead screw nut and second lead screw nut, realize in test process, conveniently adjust the position distance of inverter motor and gyration speed reducer.
Further, the motor coupling is installed to inverter motor's outer end, be equipped with the input shaft on accompany and survey the speed reducer, the outer end of input shaft is equipped with the axle sleeve, install deep groove ball bearing between input shaft and the axle sleeve, the shaft coupling is installed to the outer end of input shaft, the shaft coupling is corresponding with the motor coupling, through the setting of motor coupling and shaft coupling, realizes accompany and survey speed reducer and inverter motor to transmission motion and moment of torsion reduce the deviation that the installation brought, and alleviate impact and shock absorption.
Further, the locating flange is installed in the outside of accompany and survey the speed reducer, axle sleeve and deep groove ball bearing all are located the inside of locating flange, install J type frameless rubber oil blanket and A type circlip for hole respectively between locating flange and the accompany and survey the speed reducer, through the setting of J type frameless rubber oil blanket, can make lubricating oil be difficult for leaking out, improve the leakproofness, and the setting of A type circlip for hole is assisted to axial motion.
Further, the speed reducer couplings are arranged at the outer ends of the speed reducer and the rotary speed reducer, the sensor couplings are arranged at the left end and the right end of the torque rotation speed sensor, the speed reducer couplings are fixedly connected with the sensor couplings, the speed reducer couplings and the sensor couplings are arranged, connection between the speed reducer and the rotary speed reducer and the speed reducer couplings can be realized, movement and torque are transmitted, deviation caused by installation is reduced, and impact and vibration absorption are alleviated.
Further, the accompanying and testing speed reducer and the rotary speed reducer are arranged back to back, and the torque rotation speed sensor is positioned between the accompanying and testing speed reducer and the rotary speed reducer, and meets the testing requirements of various speed reducers by adopting a connection mode of the accompanying and testing speed reducer and the rotary speed reducer back to back.
Further, the upper end of the flat plate is close to the front side and is provided with 203 bearing seats, the 203 bearing seats are provided with shafts through bearings, the outer ends of the sensor heightening seats are fixedly connected with rack mounting plates, racks are arranged at the outer ends of the rack mounting plates, the rear ends of the shafts are fixedly connected with gears, the gears are connected with the racks in a meshed mode, the outer ends of the shafts are fixedly connected with hand wheels, the shafts are stirred to rotate through the hand wheels, and the position adjustment of the sensor heightening seats can be achieved through cooperation of the gears and the racks, so that the installation of torque and rotation speed sensors is facilitated.
Further, three the outer end of hand wheel all is equipped with the protective sheath, and the surface of protective sheath is equipped with anti-skidding line, through the setting of protective sheath to be equipped with anti-skidding line, make the test personnel be difficult for taking place the landing at the operation hand wheel, improve stability.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the motor speed reducer is driven by liquid energy to act, the other motor speed reducer is driven to accelerate, the two motor speed reducers are installed back to back, a variable frequency motor is adopted to achieve a load effect after the acceleration, the relation between total acceleration coefficient and each sectional stress acceleration coefficient and the relation between test load and circulation coefficient are determined according to the relation between torque and stress on a fatigue curve based on an S-N fatigue curve and a Miner fatigue curve accumulation damage theory, meanwhile, an electric power flow sealing structure type is adopted, an electric energy mode is adopted by a test bed, input and output power of a tested piece form sealing power flow, namely electric energy of a power grid is supplied to a motor, kinetic energy of the motor is respectively input to the tested piece and then is transmitted to a generator, electric energy generated by the generator is finally transmitted back to the motor, and the system only needs to compensate friction wind resistance in a sealing system, power energy consumption and other power.
(2) Be equipped with sliding component between movable plate and the flat board, sliding component is including three pairs of sliders and a pair of guide rail respectively, and slider and guide rail sliding connection, a pair of guide rail are all installed on the flat board, and three pairs of sliders all with movable plate's lower extreme fixed connection, through sliding component's setting, the horizontal migration of convenient movable plate is convenient for inverter motor's installation and regulation.
(3) The upper end fixedly connected with two bilateral symmetry's bearing frame backing plate, equal fixedly connected with 204 bearing frames on two bearing frame backing plates, install the lead screw through the bearing in two 204 bearing frames, the one end fixedly connected with hand wheel that keeps away from each other of two lead screws, the lower extreme fixedly connected with first lead screw nut of movable plate, and first lead screw nut and the lead screw threaded connection that is located the left side, the second lead screw nut is installed to the outer end of speed reducer installing support, and second lead screw nut and the lead screw threaded connection that is located the right side, through the setting of lead screw, cooperate first lead screw nut and second lead screw nut, realize in test process, conveniently adjust inverter motor and slewing reducer's position distance.
(4) The motor coupling is installed to inverter motor's outer end, is equipped with the input shaft on accompany and survey the speed reducer, and the outer end of input shaft is equipped with the axle sleeve, installs deep groove ball bearing between input shaft and the axle sleeve, and the shaft coupling is installed to the outer end of input shaft, and the shaft coupling corresponds with the motor coupling, through the setting of motor coupling and shaft coupling, realizes accompany and survey the speed reducer and inverter motor links together to transmission motion and moment of torsion, reduce the deviation that the installation brought, and alleviate impact and shock absorption.
(5) The locating flange is installed in the outside of accompany survey speed reducer, and axle sleeve and deep groove ball bearing all are located the inside of locating flange, install J type frameless rubber oil blanket and A type circlip for hole respectively between locating flange and the accompany survey speed reducer, through the setting of J type frameless rubber oil blanket, can make lubricating oil be difficult for leaking out, improve the leakproofness, and A type circlip's setting, axial motion is assisted.
(6) The speed reducer couplings are arranged at the outer ends of the speed reducer and the rotary speed reducer, the sensor couplings are arranged at the left end and the right end of the torque rotating speed sensor, the speed reducer couplings are fixedly connected with the sensor couplings, the connection between the speed reducer and the rotary speed reducer and the speed reducer couplings can be realized through the arrangement of the speed reducer couplings and the sensor couplings, the movement and the torque are transmitted, the deviation caused by installation is reduced, and the impact and the vibration absorption are alleviated.
(7) The accompanying and testing speed reducer and the rotary speed reducer are arranged back to back, the torque rotation speed sensor is positioned between the accompanying and testing speed reducer and the rotary speed reducer, and the test requirements of various speed reducers are met by adopting a back to back connection mode of the accompanying and testing speed reducer and the rotary speed reducer.
(8) The upper end of the flat plate is close to the front side and is provided with 203 bearing seats, the 203 bearing seats are provided with shafts through bearings, the outer ends of the sensor heightening seats are fixedly connected with rack mounting plates, racks are arranged at the outer ends of the rack mounting plates, the rear ends of the shafts are fixedly connected with gears, the gears are connected with the racks in a meshed mode, the outer ends of the shafts are fixedly connected with hand wheels, the shafts are stirred to rotate through the hand wheels, the gears and the racks are matched, the position of the sensor heightening seats can be adjusted, and the installation of a torque rotation speed sensor is facilitated.
(9) The outer ends of the three hand wheels are all provided with protective sleeves, the surfaces of the protective sleeves are provided with anti-skidding patterns, and the anti-skidding patterns are arranged through the arrangement of the protective sleeves, so that test personnel cannot slide easily when operating the hand wheels, and the stability is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic cross-sectional view of a rotational speed sensor according to the present invention;
FIG. 5 is a schematic cross-sectional view of a bearing housing 204 according to the present invention;
fig. 6 is a schematic top view of a bearing housing 203 according to the present invention.
The reference numerals in the figures illustrate:
1. a flat plate; 2. a hand wheel; 3. a screw rod; 4. 204 bearing blocks; 5. a sliding assembly; 6. a first lead screw nut; 7. a moving plate; 8. a motor backing plate; 9. a variable frequency motor; 10. a motor coupling; 11. a shaft coupling; 12. an input shaft; 13. deep groove ball bearings; 14. positioning a flange; 15. a shaft sleeve; 16. j-shaped frameless rubber oil seal; 17. a-type circlips for holes; 18. a speed reducer is accompanied and tested; 19. a mounting flange; 20. a speed reducer mounting bracket is accompanied with measurement; 21. speed reducer coupling; 22. a sensor coupling; 23. a torque rotation speed sensor; 24. a sensor raising seat; 25. a speed reducer mounting bracket; 26. a second lead screw nut; 27. a bearing seat backing plate; 28. a rack; 29. a gear; 30. a rack mounting plate; 31. a shaft; 32. 203 bearing seats.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to FIGS. 1-6, a high torque constant stress acceleration life detection device comprises a flat plate 1, wherein the upper end of the flat plate 1 is slidably connected with a moving plate 7, the upper end of the moving plate 7 is fixedly connected with a motor backing plate 8, the upper end of the motor backing plate 8 is provided with a variable frequency motor 9, the upper end of the flat plate 1 is provided with a speed reducer mounting bracket 20 to be detected, the speed reducer mounting bracket 20 is provided with a mounting flange 19, the speed reducer mounting bracket 20 is provided with a speed reducer 18 to be detected through the mounting flange 19, the upper end of the flat plate 1 is provided with a sensor heightening seat 24, the upper end of the sensor heightening seat 24 is provided with a torque rotation speed sensor 23, the upper end of the flat plate 1 is provided with a speed reducer mounting bracket 25, the upper end of the speed reducer mounting bracket 25 is provided with a rotary speed reducer, the model number of the variable frequency motor 9 is YWF-315M-4 with an encoder, the model of the torque rotation speed sensor 23 is ZJ-1500AE, the accompanying test speed reducer 18 adopts 043 speed reducer, the rotary speed reducer adopts 151 rotary speed reducer, the scheme utilizes liquid energy to drive the motor speed reducer to act, then drives the other motor speed reducer to accelerate, the two motor speed reducers are installed back to back, after the acceleration, the variable frequency motor 9 is adopted to realize the load action, the test method determined by the relation between the torque and the stress on the fatigue curve, the relation between the total acceleration coefficient and each sectional stress acceleration coefficient and the relation between the test load and the circulation coefficient is adopted, meanwhile, the test bed adopts an electric power flow sealing structure type, the input and output power of a tested piece form a sealed power flow in an electric energy mode, namely the electric energy of a power grid is provided for the motor, the kinetic energy of the motor is respectively input into the tested piece and the accompanying piece and then is transmitted to the generator, the electric energy generated by the generator is finally transmitted back to the motor, and the system only needs to provide friction wind resistance in the compensation closed system, and the power energy consumes equal power.
Referring to fig. 1-2, a sliding component 5 is disposed between the moving plate 7 and the flat plate 1, the sliding component 5 includes three pairs of sliding blocks and a pair of guide rails, the sliding blocks are slidably connected with the guide rails, the pair of guide rails are all mounted on the flat plate 1, the three pairs of sliding blocks are fixedly connected with the lower end of the moving plate 7, and the sliding component 5 facilitates the horizontal movement of the moving plate 7 and the mounting and adjustment of the variable frequency motor 9.
Referring to fig. 1-2 and 6, the upper end of the flat plate 1 is fixedly connected with two bilaterally symmetrical bearing seat base plates 27, the two bearing seat base plates 27 are fixedly connected with 204 bearing seats 4, two 204 bearing seats 4 are internally provided with screw rods 3 through bearings, one ends of the two screw rods 3, which are far away from each other, are fixedly connected with a hand wheel 2, the lower end of the moving plate 7 is fixedly connected with a first screw nut 6, the first screw nut 6 is in threaded connection with the screw rod 3 positioned at the left side, the outer end of a speed reducer mounting bracket 25 is provided with a second screw nut 26, the second screw nut 26 is in threaded connection with the screw rod 3 positioned at the right side, and the positions and the distances of the variable frequency motor 9 and the rotary speed reducer are conveniently adjusted in the test process by matching with the first screw nut 6 and the second screw nut 26.
Referring to fig. 1, a motor coupling 10 is installed at the outer end of a variable frequency motor 9, an input shaft 12 is arranged on a speed reducer 18, a shaft sleeve 15 is arranged at the outer end of the input shaft 12, a deep groove ball bearing 13 is installed between the input shaft 12 and the shaft sleeve 15, a shaft coupling 11 is installed at the outer end of the input shaft 12, the shaft coupling 11 corresponds to the motor coupling 10, and the speed reducer 18 and the variable frequency motor 9 are connected through the arrangement of the motor coupling 10 and the shaft coupling 11, so that motion and torque are transmitted, deviation caused by installation is reduced, and impact and vibration absorption are alleviated.
Referring to fig. 1, a positioning flange 14 is installed on the outer side of a speed reducer 18, a shaft sleeve 15 and a deep groove ball bearing 13 are both located inside the positioning flange 14, a J-shaped frameless rubber oil seal 16 and an a-shaped hole circlip 17 are installed between the positioning flange 14 and the speed reducer 18, lubricating oil is not easy to leak out through the arrangement of the J-shaped frameless rubber oil seal 16, sealing performance is improved, and axial movement is assisted through the arrangement of the a-shaped hole circlip 17.
Referring to fig. 1 and 4, the outer ends of the accompanying speed reducer 18 and the rotary speed reducer are respectively provided with a speed reducer coupling 21, the left and right ends of the torque rotation speed sensor 23 are respectively provided with a sensor coupling 22, the speed reducer couplings 21 are fixedly connected with the sensor couplings 22, and the connection between the accompanying speed reducer 18 and the rotary speed reducer and the speed reducer couplings 21 can be realized through the arrangement of the speed reducer couplings 21 and the sensor couplings 22, and the transmission of motion and torque can reduce the deviation caused by installation, and alleviate impact and vibration absorption.
Referring to fig. 1-2, the accompanying speed reducer 18 and the rotary speed reducer are arranged back to back, and the torque rotation speed sensor 23 is located between the accompanying speed reducer 18 and the rotary speed reducer, so as to meet the test requirements of various speed reducers by adopting a connection mode of the accompanying speed reducer 18 and the rotary speed reducer back to back.
Referring to fig. 1-2 and fig. 5, 203 bearing seats 32 are installed at the upper end of the flat plate 1 near the front side, a shaft 31 is installed on the 203 bearing seats 32 through bearings, a rack mounting plate 30 is fixedly connected to the outer end of the sensor heightening seat 24, a rack 28 is installed at the outer end of the rack mounting plate 30, a gear 29 is fixedly connected to the rear end of the shaft 31, the gear 29 is meshed with the rack 28, a hand wheel 2 is fixedly connected to the outer end of the shaft 31, the shaft 31 is stirred to rotate through the hand wheel 2, the gear 29 and the rack 28 are matched, the position of the sensor heightening seat 24 can be adjusted, the installation of the torque rotation speed sensor 23 is facilitated, protective sleeves are arranged at the outer ends of the three hand wheels 2, anti-skid patterns are arranged on the surfaces of the protective sleeves, and through the arrangement of the protective sleeves, the anti-skid patterns are arranged, so that test personnel are not easy to slide off during the operation of the hand wheel 2, and the stability is improved.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a big invariable stress acceleration life-span detection device of moment of torsion, includes dull and stereotyped (1), its characterized in that: the upper end sliding connection of dull and stereotyped (1) has movable plate (7), the upper end fixedly connected with motor backing plate (8) of movable plate (7), inverter motor (9) are installed to the upper end of motor backing plate (8), speed reducer installing support (20) are installed to the upper end of dull and stereotyped (1), install mounting flange (19) on speed reducer installing support (20), speed reducer (18) are installed through mounting flange (19) to speed reducer installing support (20), sensor backing seat (24) are installed to the upper end of dull and stereotyped (1), and torque rotation speed sensor (23) are installed to the upper end of sensor backing seat (24), speed reducer installing support (25) are installed to the upper end of dull and stereotyped (1), the rotation speed reducer is installed to the upper end of speed reducer installing support (25).
2. The high torque constant stress acceleration life detection device of claim 1, wherein: the sliding assembly (5) is arranged between the movable plate (7) and the flat plate (1), the sliding assembly (5) comprises three pairs of sliding blocks and a pair of guide rails, the sliding blocks are in sliding connection with the guide rails, the guide rails are arranged on the flat plate (1), and the sliding blocks are fixedly connected with the lower ends of the movable plate (7).
3. The high torque constant stress acceleration life detection device of claim 1, wherein: the upper end fixedly connected with of dull and stereotyped (1) is two bilateral symmetry's bearing frame backing plate (27), two equal fixedly connected with 204 bearing frame (4) on bearing frame backing plate (27), two install lead screw (3) through the bearing in 204 bearing frame (4), two the one end fixedly connected with hand wheel (2) that keep away from each other of lead screw (3), the lower extreme fixedly connected with first lead screw nut (6) of movable plate (7), and first lead screw nut (6) and lead screw (3) threaded connection that are located the left, second lead screw nut (26) are installed to the outer end of speed reducer installing support (25), and second lead screw nut (26) and lead screw (3) threaded connection that are located the right side.
4. A high torque constant stress acceleration life detection device according to claim 3, wherein: the variable frequency motor is characterized in that a motor coupling (10) is arranged at the outer end of the variable frequency motor (9), an input shaft (12) is arranged on a speed reducer (18), a shaft sleeve (15) is arranged at the outer end of the input shaft (12), a deep groove ball bearing (13) is arranged between the input shaft (12) and the shaft sleeve (15), a shaft coupling (11) is arranged at the outer end of the input shaft (12), and the shaft coupling (11) corresponds to the motor coupling (10).
5. The high torque constant stress acceleration life detection device of claim 4, wherein: the outside of accompany survey speed reducer (18) is installed locating flange (14), axle sleeve (15) and deep groove ball bearing (13) all are located the inside of locating flange (14), install J type frameless rubber oil blanket (16) and circlip (17) for A type hole respectively between locating flange (14) and accompany survey speed reducer (18).
6. The high torque constant stress acceleration life detection device of claim 1, wherein: the speed reducer coupling (21) is installed at the outer ends of the speed reducer (18) and the rotary speed reducer, the sensor coupling (22) is installed at the left end and the right end of the torque rotation speed sensor (23), and the speed reducer coupling (21) is fixedly connected with the sensor coupling (22).
7. The high torque constant stress acceleration life detection device of claim 1, wherein: the accompanying speed reducer (18) and the rotary speed reducer are arranged back to back, and the torque rotation speed sensor (23) is positioned between the accompanying speed reducer (18) and the rotary speed reducer.
8. The high torque constant stress acceleration life detection device of claim 1, wherein: the upper end of dull and stereotyped (1) is close to front side department and installs 203 bearing frame (32), 203 bearing frame (32) are through bearing installation axle (31), the outer end fixedly connected with rack mounting panel (30) of sensor bed hedgehopping seat (24), and rack (28) are installed to the outer end of rack mounting panel (30), the rear end fixedly connected with gear (29) of axle (31), gear (29) and rack (28) meshing are connected, the outer end fixedly connected with hand wheel (2) of axle (31).
9. The high torque constant stress acceleration life detection device of claim 8, wherein: the outer ends of the three hand wheels (2) are provided with protective sleeves, and the surfaces of the protective sleeves are provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310926485.6A CN116642692A (en) | 2023-07-27 | 2023-07-27 | Large-torque constant stress acceleration life detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310926485.6A CN116642692A (en) | 2023-07-27 | 2023-07-27 | Large-torque constant stress acceleration life detection device |
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| Publication Number | Publication Date |
|---|---|
| CN116642692A true CN116642692A (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310926485.6A Pending CN116642692A (en) | 2023-07-27 | 2023-07-27 | Large-torque constant stress acceleration life detection device |
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| CN (1) | CN116642692A (en) |
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| CN116413025A (en) * | 2023-04-06 | 2023-07-11 | 长安大学 | Mechanical closed power flow type vibration test device for gear rotor system |
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| CN201788059U (en) * | 2010-09-08 | 2011-04-06 | 奇瑞汽车股份有限公司 | Sealing performance test-bed for ball pin |
| CN201903445U (en) * | 2010-12-16 | 2011-07-20 | 吉林大学 | Reliability testing bench for gearbox of transmission system of high-speed motor train unit |
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Application publication date: 20230825 |