CN110926804A - Speed reducer evaluation device - Google Patents
Speed reducer evaluation device Download PDFInfo
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- CN110926804A CN110926804A CN201911200942.3A CN201911200942A CN110926804A CN 110926804 A CN110926804 A CN 110926804A CN 201911200942 A CN201911200942 A CN 201911200942A CN 110926804 A CN110926804 A CN 110926804A
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- spigot
- bearing
- fixed
- speed reducer
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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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- 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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a speed reducer evaluation device, which is characterized in that: the device comprises an evaluation assembly main body and a tool support, wherein the evaluation assembly main body comprises a driving mounting plate, a stepping motor, a switching disc, a speed reducer to be tested, an output flange, a torque sensor, a first transmission assembly, an output shaft, a second transmission assembly and an output rotary disc; the driving mounting plate is fixed at the top of the tool bracket; the step motor is fixed on one side of the driving mounting plate, the adapter plate is fixed on the other side of the driving mounting plate, the speed reducer to be tested, the output flange and the torque sensor are sequentially and fixedly connected, the speed reducer to be tested is fixed on the adapter plate, and the step motor is connected with the speed reducer to be tested and the output flange through the first transmission assembly; the output shaft rotates to be connected on the drive mounting panel, and the output shaft passes through second transmission assembly and torque sensor to be connected, and the free end at the output shaft is fixed to the output carousel, and the balancing weight is connected to the free end of the last winding wire rope of output carousel.
Description
Technical Field
The invention relates to a speed reducer evaluation device and method, in particular to a harmonic speed reducer evaluation device and method.
Background
After the production of the speed reducer is completed, in the early stage of design research and development work, the rationality of the design of the speed reducer and the manufacturability of processing, manufacturing, assembling and debugging need to be detected through tests; the deep analysis of the test results is helpful for understanding and evaluating the comprehensive mechanical properties of the speed reducer and the transmission parts, and simultaneously provides practical reference data and design basis for engineering designers, such as functions of bearing, service life, continuous operation, noise, torque tolerance, performance parameters of revolution and the like, adjustable damping and the like.
In the prior art, when the performance test of the speed reducer is carried out, the output end of the motor needs to be connected with the input end of the speed reducer through the coupler, the shell of the speed reducer is fixed by manpower, then the power supply of the motor is turned on, and then whether the meshing state of the gear of the speed reducer has abnormal sound or not is observed, and the measurement of other parameters is carried out. The shell of the speed reducer needs to be manually fixed, and the fixing effect is poor; the testing device has no good interchangeability for testing the speed reducers of different models, is easy to influence the accuracy of a testing result, is inconvenient to operate, has high labor intensity, and can directly influence the working efficiency of the testing.
Disclosure of Invention
In view of the above problems, the invention aims to provide a speed reducer evaluation device with simple structure, high automation degree and good interchangeability, which reduces labor intensity and effectively improves evaluation work efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme that the speed reducer evaluation device is characterized in that: the device comprises an evaluation assembly main body and a tool support, wherein the evaluation assembly main body is fixed at the top of the tool support;
the evaluation assembly main body comprises a driving mounting plate, a stepping motor, a switching disc, a speed reducer to be tested, an output flange, a torque sensor, a first transmission assembly, an output shaft, a second transmission assembly and an output rotary disc; the driving mounting plate is fixed at the top of the tool bracket; the stepping motor is fixed on one side of the driving mounting plate, the switching plate is fixed on the other side of the driving mounting plate, the speed reducer to be tested is fixed on the switching plate, the output flange is fixedly connected to the output end of the speed reducer to be tested, the torque sensor is fixedly connected to the output end of the output flange, and the stepping motor is in transmission connection with the speed reducer to be tested and the output flange through the first transmission assembly; the output shaft is rotationally connected to the driving mounting plate, the output shaft is connected with the torque sensor through the second transmission assembly, and the output rotary table is fixedly connected to the free end of the output shaft; and a steel wire rope is wound on the output turntable, and the free end of the steel wire rope is connected with a balancing weight.
Preferably, a spigot used for mounting the adapter plate is formed on the driving mounting plate, the adapter plate is locked and fixed in the spigot of the driving mounting plate through a circumferentially arranged fastener, and the speed reducer to be tested is fixed on the adapter plate through a circumferentially arranged fastener; the first transmission assembly comprises an input shaft and a belt wheel transmission mechanism, the input shaft is rotatably arranged on the adapter plate through a first bearing, one end of the input shaft is connected with the output end of the stepping motor through the belt wheel transmission mechanism, and the other end of the input shaft penetrates through the speed reducer to be detected to be matched with a second bearing on the output flange.
Preferably, a first stepped spigot and a second stepped spigot are coaxially arranged on the adapter plate; the first bearing is installed in the first step rabbet, and the speed reducer to be tested is installed in the second step rabbet;
a circular spigot is formed outside one end of the input shaft, the first bearing is sleeved on one end of the input shaft, the end surface of one side of the first bearing is attached to the end surface of the circular spigot, and the end surface of the other side of the first bearing is attached to the end surface of the first stepped spigot (121) in the adapter disc; a taper is formed at a front portion of the circular spigot of the input shaft.
Preferably, a motor mounting seat is mounted on one side of the driving mounting plate, the stepping motor is fixed on the motor mounting seat through a fastener, a first spigot is formed on a mounting table surface of the motor mounting seat, and an output end of the stepping motor penetrates through the first spigot and is connected with one end of the input shaft through the belt wheel transmission mechanism;
the belt wheel transmission mechanism comprises a first belt wheel, a second belt wheel and a synchronous belt, the first belt wheel is connected to one end of the input shaft, the second belt wheel is connected to the output end of the stepping motor, and the first belt wheel and the second belt wheel are connected through the synchronous belt in a transmission mode.
Preferably, the second transmission assembly adopts a gear transmission mechanism, the gear transmission mechanism comprises a first gear and a second gear which are meshed with each other for transmission, the first gear is coaxially fixed on the torque sensor, and the second gear is coaxially fixed on the output shaft.
Preferably, a second spigot used for mounting the output flange is formed on the end face of the output end of the speed reducer to be tested, and the input end of the output flange is matched with the second spigot and is locked and fixed on the speed reducer to be tested through screws distributed in the circumferential direction;
a third spigot used for mounting the second bearing is arranged at the center of the end face of the input end of the output flange, and a wire passing groove used for wiring is arranged on the end face of the output end of the output flange;
the torque sensor is coaxially and fixedly installed at the output end of the output flange through a fastener, the torque sensor comprises an outer flange disc and an inner flange disc, the end face of the outer flange disc is tightly attached to the end face of the output flange, the end face of the inner flange disc is tightly attached to the end face of the first gear, and a data line on the torque sensor extends out of the line passing groove in the output flange.
Preferably, a first circular winding groove for winding a steel wire rope is formed in the disc surface of the output rotary disc, a second circular winding groove for winding the steel wire rope is formed in the outer circumferential surface of the output rotary disc, a notch for communicating the first circular winding groove with the second circular winding groove is formed in the disc surface of the output rotary disc, a cylindrical pin is arranged at one end of the steel wire rope, a pin hole matched with the cylindrical pin is formed in the first circular winding groove, one end of the steel wire rope with the cylindrical pin extends into the first circular winding groove from the notch, the cylindrical pin is inserted into the pin hole, part of the length of the steel wire rope is wound in the first circular winding groove, the other part of the length of the steel wire rope is wound in the second circular winding groove, and the other end of the steel wire rope is connected with a balancing weight.
Preferably, two first circular winding grooves are symmetrically arranged on the coiling surface of the output rotary disc, the two first circular winding grooves are communicated with the second circular winding groove through notches, and the two notches are distributed on the output rotary disc at an interval of 180 degrees.
Preferably, the output shaft is rotatably arranged on the driving mounting plate through a shaft support seat and two third bearings, the upper part of the driving mounting plate is provided with a bearing mounting hole site and a spigot groove which are coaxially distributed, one end of the shaft support seat is arranged in the spigot groove and is fixed on the driving mounting plate through screws which are circumferentially arranged, and the other end of the shaft support seat is provided with a bearing mounting step which is coaxial with the bearing mounting hole site; one of the third bearings is mounted in the bearing mounting hole site, and the other third bearing is mounted on the bearing mounting step; the output shaft penetrates through the shaft supporting seat and is matched with the two third bearings, a gasket is attached to the end face of the shaft head end of the output shaft, and the gasket is arranged at the shaft head end of the output shaft in a pressing mode through screws.
Preferably, two proximity switch mounting seats are arranged at the top of the tool support at intervals, a proximity switch is mounted on each proximity switch mounting seat, a limiting block is arranged on the first gear, and when the first gear rotates to drive the limiting block to be close to any one proximity switch, the rotation direction of the stepping motor is reversed;
the stepping motor, the torque sensor, the proximity switch and the display unit are all connected with the control unit, the display unit is used for displaying the torque measured by the torque sensor, and the control unit controls the stepping motor to rotate forwards and backwards according to signals transmitted by the proximity switch.
By adopting the technical scheme, the invention has the following advantages: the invention comprises a tool bracket and an evaluation assembly main body fixedly arranged at the top of the tool bracket, wherein the evaluation assembly main body comprises a stepping motor and a switching disc which are fixedly arranged at two sides of a driving mounting plate, a reducer to be tested, an output flange and a torque sensor are sequentially and fixedly connected, the reducer to be tested is fixed on the switching disc, an output shaft is rotatably connected with the driving mounting plate, the free end of the output shaft is fixed with an output rotating disc, the output rotating disc is wound with a steel wire rope, the free end of the steel wire rope is connected with a balancing weight, the stepping motor is connected with the reducer to be tested and the output flange through a first transmission assembly, the output shaft is connected with the torque sensor through a second transmission assembly, the shell of the reducer is not required to be fixed manually, different switching discs can be replaced aiming at different models of reducers, the accuracy of the test result is improved, the labor intensity is reduced, and the evaluation efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic structural view of the drive mounting plate of the present invention;
FIG. 5 is a schematic cross-sectional view of the drive mounting plate of the present invention;
FIG. 6 is a schematic cross-sectional view of an adapter plate according to the present invention;
FIG. 7 is a schematic structural view of an output flange of the present invention;
FIG. 8 is a schematic cross-sectional view of an output flange of the present invention;
FIG. 9 is a schematic cross-sectional view of an input shaft of the present invention;
FIG. 10 is a schematic structural diagram of an output turntable according to the present invention;
fig. 11 is a schematic sectional structure view of the output turntable of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
As shown in fig. 1 to 3, the invention provides a speed reducer evaluation device, which comprises an evaluation assembly main body 1 and a tool support 2, wherein the evaluation assembly main body 1 is fixed at the top of the tool support 2;
the evaluation assembly main body 1 comprises a driving mounting plate 10, a stepping motor 11, a switching plate 12, a speed reducer 13 to be tested, an output flange 14, a torque sensor 15, a first transmission assembly 16, an output shaft 17, a second transmission assembly 18 and an output turntable 19; the driving mounting plate 10 is fixed at the top of the tool bracket 2; the stepping motor 11 is fixed on one side of the driving mounting plate 10, the adapter plate 12 is fixed on the other side of the driving mounting plate 10, the reducer 13 to be tested is fixed on the adapter plate 12, the output flange 14 is fixedly connected to the output end of the reducer 13 to be tested, the torque sensor 15 is fixedly connected to the output end of the output flange 14, and the stepping motor 11 is in transmission connection with the reducer 13 to be tested and the output flange 14 through the first transmission assembly 16; an output shaft 17 is rotationally connected to the driving mounting plate 10, the output shaft 17 is connected with the torque sensor 15 through a second transmission assembly 18, and an output rotary disc 19 is fixedly connected to the free end of the output shaft 17; the output turntable 19 is wound with a steel wire rope, and the free end of the steel wire rope is connected with a balancing weight 20.
In a preferred embodiment, as shown in fig. 2, 4 and 5, a spigot 101 for mounting the adapter plate 12 is formed on the driving mounting plate 10, the adapter plate 12 is locked and fixed in the spigot 101 of the driving mounting plate 10 by a circumferentially arranged fastener (e.g., a screw), and the reducer 13 to be tested is fixed on the adapter plate 12 by a circumferentially arranged fastener (e.g., a screw); the first transmission assembly 16 includes an input shaft 161 and a pulley transmission mechanism 162, the input shaft 161 is rotatably disposed on the adapter 12 through the first bearing 3, one end of the input shaft 161 is connected to the output end of the stepping motor 11 through the pulley transmission mechanism 162, and the other end of the input shaft 161 passes through the reducer 13 to be tested and is matched with the second bearing 4 on the output flange 14.
In a preferred embodiment, as shown in fig. 6, to facilitate the first bearing 3 and the speed reducer 13 to be tested to be coaxially installed on the adapter plate 12, a first stepped spigot 121 and a second stepped spigot 122 are coaxially formed on the adapter plate 12, the first bearing 3 is installed in the first stepped spigot 121, and the speed reducer 12 to be tested is installed in the second stepped spigot 122.
In a preferred embodiment, as shown in fig. 9, a circular spigot 1611 is formed outside one end of the input shaft 161, the first bearing 3 is sleeved on one end of the input shaft 161, an end surface of one side of the first bearing 3 is attached to an end surface of the circular spigot 1611, and an end surface of the other side of the first bearing 3 is attached to an end surface of the first stepped spigot 121 in the adapter disc 12, so that the first bearing 3 is axially limited. To facilitate the fitting of the first bearing 3 on the circular spigot 1611, a taper is formed at the front of the circular spigot 1611 of the input shaft 161.
In a preferred embodiment, as shown in fig. 2 and 3, a motor mounting base 5 is mounted on one side of the driving mounting plate 10, the stepping motor 11 is fixed on the motor mounting base 5 through a fastener, a spigot 51 is formed on a mounting table of the motor mounting base 5, and an output end of the stepping motor 11 passes through the spigot 51 and is connected with one end of an input shaft 161 through a pulley transmission mechanism 162. The pulley transmission mechanism 162 includes a first pulley 1621, a second pulley 1622 and a synchronous belt 1623, the first pulley 1621 is connected to one end of the input shaft 161, the second pulley 1622 is connected to the output end of the stepping motor 11, and the first pulley 1621 and the second pulley 1622 are in transmission connection through the synchronous belt 1623.
In a preferred embodiment, the second transmission assembly 18 may adopt a gear transmission mechanism, the gear transmission mechanism includes a first gear 181 and a second gear 182 which are engaged with each other for transmission, the first gear 181 is coaxially fixed on the torque sensor 15, and the second gear 182 is coaxially fixed on the output shaft 17.
In a preferred embodiment, as shown in fig. 3, 7 and 8, a spigot 131 for mounting the output flange 14 is formed on an end surface of the output end of the speed reducer 13 to be tested, and the input end of the output flange 14 is matched with the spigot 131 and is locked and fixed on the speed reducer 13 to be tested through screws arranged in the circumferential direction;
a spigot 141 for mounting the second bearing 4 is arranged at the center of the end face of the input end of the output flange 14, and a wire passing groove 142 for routing is arranged at the end face of the output end of the output flange 14;
the torque sensor 15 is coaxially and fixedly mounted at the output end of the output flange 14 through a fastener, and a data wire on the torque sensor 15 extends out through a wire passing groove 142 on the output flange 14.
In a preferred embodiment, the torque sensor 15 includes an outer flange 151 having an end surface abutting an end surface of the output flange 14, and an inner flange 152 having an end surface abutting an end surface of the first gear 181.
In a preferred embodiment, as shown in fig. 10 and 11, a first circular winding groove 191 for winding the wire rope is formed on the winding surface of the output rotary disc 19, a second circular winding groove 192 for winding the wire rope is formed on the outer circumferential surface of the output rotary disc 19, a notch 193 communicating the first circular winding groove 191 with the second circular winding groove 192 is formed on the winding surface of the output rotary disc 19, a cylindrical pin is formed at one end of the wire rope, a pin hole 194 matched with the cylindrical pin is formed in the first circular winding groove 191, one end of the wire rope with the cylindrical pin 191 extends into the first circular winding groove 191 from the notch 193, the cylindrical pin is inserted into the pin hole 194, a part of the length of the wire rope is wound in the first circular winding groove 191, another part of the length is wound in the second circular winding groove 192, and the other end of the wire rope is connected with a counterweight 20, so that the wire rope can be conveniently and completely wound between the first circular winding groove 191 and the second circular winding groove 192, meanwhile, the height of the weight block 20 can be conveniently adjusted as required.
In a preferred embodiment, two first circular winding grooves 191 are symmetrically arranged on the plate surface of the output turntable 19, the two first circular winding grooves 191 are communicated with a second circular winding groove 193 through notches 193, and the two notches 193 are distributed on the output turntable 19 at an interval of 180 degrees so as to conveniently adjust the length and the direction of the steel wire rope.
In a preferred embodiment, as shown in fig. 2 to 5, the output shaft 17 is rotatably disposed on the driving mounting plate 10 through a shaft supporting seat 21 and two third bearings 22, a bearing mounting hole 102 and a spigot groove 103 are coaxially disposed on the upper portion of the driving mounting plate 10, one end of the shaft supporting seat 21 is mounted in the spigot groove 103 and fixed on the driving mounting plate 10 through circumferentially disposed screws, and the other end of the shaft supporting seat 21 is disposed with a bearing mounting step 211 coaxial with the bearing mounting hole 102; a third bearing 22 is mounted in the bearing mounting hole 102, and another third bearing 22 is mounted on the bearing mounting step 211; the output shaft 17 passes through the shaft supporting seat 21 and is matched with the two third bearings 22, so that the output shaft is rotatably arranged on the driving mounting plate 10, the gasket 23 is tightly attached to the end face of the shaft head end of the output shaft 17, the gasket 23 is tightly pressed on the shaft head end of the output shaft 17 through the screw 24, and the third bearings 22 in the bearing mounting hole sites 102 are axially positioned.
In a preferred embodiment, two proximity switch mounting seats 6 are arranged at the top of the tool support 2 at intervals, a proximity switch 7 is mounted on each proximity switch mounting seat 6, a limiting block 8 is arranged on the first gear 181, when the first gear 181 rotates to drive the limiting block 8 to be close to any proximity switch 7, the rotating direction of the stepping motor 11 is reversed, so that the steel wire rope is prevented from being wound to cause danger, and the continuous operation of the evaluation device is further ensured.
In a preferred embodiment, the invention further comprises a control unit and a display unit, wherein the stepping motor 11, the torque sensor 15, the proximity switch 7 and the display unit are all connected with the control unit, the display unit is used for displaying the torque measured by the torque sensor 15, and the control unit controls the stepping motor 11 to rotate forward and backward according to signals transmitted by the proximity switch 7.
In a preferred embodiment, the reducer 13 to be tested is a harmonic reducer.
The using process of the invention is as follows:
the weight of the balancing weight 20 is selected according to the factory rated torque of the reducer 13 to be tested, and the balancing weight is connected to a steel wire rope, the stepping motor 11 is started, the stepping motor 11 drives the input shaft 161 to rotate through the belt wheel transmission mechanism 162, and then the power is transmitted to the reducer 13 to be tested, the output flange 14 and the torque sensor 15, the torque sensor 15 drives the output shaft 17 to rotate through the gear transmission mechanism, and then the output turntable 19 is driven to rotate, the output turntable 19 winds the steel wire rope, and the balancing weight 20 is driven to move, so that the bearing of the reducer 13 to be tested can be carried out, the service life is prolonged, the continuous operation can be carried out, the noise is generated, the torque tolerance degree, the detection. Aiming at the reducers 13 to be tested with different models, only the switching disc 12 connected with the reducers 13 to be tested needs to be replaced, so that the interchangeability of the evaluation device is improved, the power transmission of the invention is completed by the structures of the motor, the belt wheel for reducing, the reducer to be tested for reducing, the gear for increasing and the large rotary disc, and the design can obtain larger input torque under smaller balance weight, so that the torque detection range of the evaluation device is enlarged.
The present invention has been described with reference to the above embodiments, and the structure, arrangement, and connection of the respective members may be changed. On the basis of the technical scheme of the invention, the improvement or equivalent transformation of the individual components according to the principle of the invention is not excluded from the protection scope of the invention.
Claims (10)
1. The utility model provides a reduction gear evaluation device which characterized in that: the device comprises an evaluation assembly main body (1) and a tool support (2), wherein the evaluation assembly main body (1) is fixed at the top of the tool support (2);
the evaluation assembly main body (1) comprises a driving mounting plate (10), a stepping motor (11), an adapter plate (12), a speed reducer (13) to be tested, an output flange (14), a torque sensor (15), a first transmission assembly (16), an output shaft (17), a second transmission assembly (18) and an output rotary table (19); the driving mounting plate (10) is fixed to the top of the tool support (2); the stepping motor (11) is fixed on one side of the driving mounting plate (10), the adapter plate (12) is fixed on the other side of the driving mounting plate (10), the speed reducer (13) to be tested is fixed on the adapter plate (12), the output flange (14) is fixedly connected with the output end of the speed reducer (13) to be tested, the torque sensor (15) is fixedly connected with the output end of the output flange (14), and the stepping motor (11) is in transmission connection with the speed reducer (13) to be tested and the output flange (14) through the first transmission assembly (16); the output shaft (17) is rotatably connected to the driving mounting plate (10), the output shaft (17) is connected with the torque sensor (15) through the second transmission assembly (18), and the output rotary disc (19) is fixedly connected to the free end of the output shaft (17); and a steel wire rope is wound on the output turntable (19), and the free end of the steel wire rope is connected with a balancing weight (20).
2. A decelerator evaluating device as claimed in claim 1, wherein: a spigot (101) used for mounting the adapter plate (12) is formed in the driving mounting plate (10), the adapter plate (12) is locked and fixed in the spigot (101) of the driving mounting plate (10) through fasteners arranged in the circumferential direction, and the speed reducer (13) to be tested is fixed on the adapter plate (12) through fasteners arranged in the circumferential direction; first drive assembly (16) include input shaft (161) and band pulley drive mechanism (162), input shaft (161) rotate through first bearing (3) and set up on switching dish (12), the one end of input shaft (161) is passed through band pulley drive mechanism (162) with step motor (11)'s output is connected, the other end of input shaft (161) passes reduction gear (13) that await measuring with second bearing (4) cooperation on output flange (14).
3. A decelerator evaluating device as claimed in claim 2, wherein: a first step seam allowance (121) and a second step seam allowance (122) are coaxially formed in the adapter disc (12), the first bearing (3) is installed in the first step seam allowance (121), and the speed reducer (12) to be tested is installed in the second step seam allowance (122);
a circular spigot (1611) is formed outside one end of the input shaft (161), the first bearing (3) is sleeved on one end of the input shaft (161), the end surface of one side of the first bearing (3) is attached to the end surface of the circular spigot (1611), and the end surface of the other side of the first bearing (3) is attached to the end surface of the first step spigot (121) in the adapter disc (12); a taper is formed in a front portion of a circular spigot (1611) of the input shaft (161).
4. A decelerator evaluating device as claimed in claim 2, wherein: a motor mounting seat (5) is mounted on one side of the driving mounting plate (10), the stepping motor (11) is fixed on the motor mounting seat (5) through a fastener, a first spigot (51) is formed in a mounting table top of the motor mounting seat (5), and the output end of the stepping motor (11) penetrates through the first spigot (51) and is connected with one end of the input shaft (161) through the belt wheel transmission mechanism (162);
pulley drive mechanism (162) include first band pulley (1621), second band pulley (1622) and hold-in range (1623), first band pulley (1621) is connected the one end of input shaft (161), second band pulley (1622) is connected the output of step motor (11), pass through between first band pulley (1621) and second band pulley (1622) hold-in range (1623) transmission connection.
5. A decelerator evaluating device as claimed in claim 2, wherein: the second transmission assembly (18) adopts a gear transmission mechanism, the gear transmission mechanism comprises a first gear (181) and a second gear (182) which are meshed with each other for transmission, the first gear (181) is coaxially fixed on the torsion sensor (15), and the second gear (182) is coaxially fixed on the output shaft (17).
6. A decelerator evaluating device as claimed in claim 5, wherein: a second spigot (131) for mounting the output flange (14) is formed on the end face of the output end of the speed reducer (13) to be tested, and the input end of the output flange (14) is matched with the second spigot (131) and is locked and fixed on the speed reducer (13) to be tested through screws distributed in the circumferential direction;
a third spigot (141) for mounting the second bearing (4) is arranged at the center of the end face of the input end of the output flange (14), and a wire passing groove (142) for wiring is arranged at the end face of the output end of the output flange (14);
the torque sensor (15) is coaxially and fixedly installed at the output end of the output flange (14) through a fastener, the torque sensor (15) comprises an outer flange plate (151) and an inner flange plate (152), the end face of the outer flange plate (151) is tightly attached to the end face of the output flange (14), the end face of the inner flange plate (152) is tightly attached to the end face of the first gear (181), and a data line on the torque sensor (15) extends out of the line passing groove (142) in the output flange (14).
7. A decelerator evaluating device as claimed in claim 1, wherein: a first circular winding groove (191) for winding a steel wire rope is formed in the coiling surface of the output rotary disc (19), a second circular winding groove (192) for winding the steel wire rope is formed in the outer circumferential surface of the output rotary disc (19), a notch (193) for communicating the first circular winding groove (191) with the second circular winding groove (192) is formed in the coiling surface of the output rotary disc (19), a cylindrical pin is arranged at one end of the steel wire rope, a pin hole (194) matched with the cylindrical pin is formed in the first circular winding groove (191), one end of the steel wire rope with the cylindrical pin (191) extends into the first circular winding groove (191) from the notch (193), the cylindrical pin is inserted into the pin hole (194), part of the length of the steel wire rope is wound in the first circular winding groove (191), and the other part of the length of the steel wire rope is wound in the second circular winding groove (192), the other end of the steel wire rope is connected with a balancing weight (20).
8. A decelerator evaluating device as claimed in claim 7, wherein: the first circular winding grooves (191) are symmetrically arranged on the disc breadth of the output rotary disc (19), the first circular winding grooves (191) are communicated with the second circular winding grooves (193) through notches (193), and the notches (193) are distributed on the output rotary disc (19) at an interval of 180 degrees.
9. A decelerator evaluating device as claimed in claim 1, wherein: the output shaft (17) is rotatably arranged on the driving mounting plate (10) through a shaft supporting seat (21) and two third bearings (22), the upper part of the driving mounting plate (10) is provided with a bearing mounting hole site (102) and a spigot groove (103) which are coaxially distributed, one end of the shaft supporting seat (21) is arranged in the spigot groove (103) and is fixed on the driving mounting plate (10) through screws which are circumferentially distributed, and the other end of the shaft supporting seat (21) is provided with a bearing mounting step (211) which is coaxial with the bearing mounting hole site (102); one third bearing (22) is arranged in the bearing mounting hole position (102), and the other third bearing (22) is arranged on the bearing mounting step (211); the output shaft (17) penetrates through the shaft supporting seat (21) and is matched with the two third bearings (22), a gasket (23) is tightly attached to the end face of the shaft head end of the output shaft (17), and the gasket (23) is tightly pressed and arranged at the shaft head end of the output shaft (17) through a screw (24).
10. A decelerator evaluating device as claimed in claim 5, wherein: two proximity switch mounting seats (6) are arranged at the top of the tool support (2) at intervals, a proximity switch (7) is mounted on each proximity switch mounting seat (6), a limiting block (8) is arranged on the first gear (181), and when the first gear (181) rotates to drive the limiting block (8) to be close to any proximity switch (7), the rotating direction of the stepping motor (11) is reversed;
the stepping motor (11), the torque sensor (15), the proximity switch (7) and the display unit are connected with the control unit, the display unit is used for displaying the torque measured by the torque sensor (15), and the control unit controls the stepping motor (11) to rotate forwards and backwards according to signals transmitted by the proximity switch (7).
Priority Applications (1)
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