CN113418688B - Slip ring integrated test equipment - Google Patents
Slip ring integrated test equipment Download PDFInfo
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- CN113418688B CN113418688B CN202110694387.5A CN202110694387A CN113418688B CN 113418688 B CN113418688 B CN 113418688B CN 202110694387 A CN202110694387 A CN 202110694387A CN 113418688 B CN113418688 B CN 113418688B
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- G—PHYSICS
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- 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
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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Abstract
The application relates to a slip ring integrated test device which comprises a cold and hot test box, a vibration table arranged on one side of the cold and hot test box, a vibration shaft rotationally connected to the vibration table and used for connecting a slip ring stator, and a driving assembly used for driving a slip ring rotor, wherein a slip ring is positioned in the cold and hot test box, and one end of the vibration shaft extends into the cold and hot test box and is connected to the stator of the slip ring; one end of the vibration shaft extending into the cold and heat test box is connected with a flange plate, the flange plate is fixed on a stator of the slip ring, the flange plate is further connected with an intermittent force application assembly, the intermittent force application assembly is in intermittent abutting connection with the axis of a slip ring rotor, and the force application direction of the intermittent force application assembly is along the axis direction of the rotor. The method and the device have the effect of improving the performance detection precision of the slip ring.
Description
Technical Field
The application relates to the field of slip ring test equipment, in particular to slip ring integrated test equipment.
Background
The slip ring is an electrical component which is used for communicating the rotating body and transmitting energy and signals. The slip rings are classified into an electrical slip ring, a fluid slip ring, and an optical slip ring according to a transmission medium. The slip ring is usually installed at the rotation center of the equipment and mainly consists of two parts, namely a rotating part and a static part. The rotating part is connected to and moves rotationally with the rotating structure of the device, called the "rotor", and the stationary part is connected to the energy source of the stationary structure of the device, called the "stator".
In the related art, after the production of the slip ring is finished, performance tests, such as vibration tests, high-low temperature tests and other tests, are required to be carried out, and the actual working condition of the slip ring product is simulated, so that the performance of various parameters, the service life and the like of the slip ring product in actual use are obtained.
In view of the above-mentioned related technologies, the inventor thinks that when the slip ring is actually used, the rotor of the slip ring is connected with the rotating structure of the equipment, and when the axis of the slip ring is vertical, the gravity of the part connected with the rotor is applied to the rotor, so that the rotor is still subjected to axial force during rotation.
Disclosure of Invention
In order to improve the precision problem when the sliding ring tests, the application provides a sliding ring integral type test equipment.
The application provides a sliding ring integral type test equipment adopts following technical scheme:
a slip ring integrated test device comprises a cold-hot test box, a vibration table arranged on one side of the cold-hot test box, a vibration shaft rotationally connected to the vibration table and used for being connected with a slip ring stator, and a driving assembly used for driving a slip ring rotor to rotate, wherein a slip ring is positioned in the cold-hot test box, and one end of the vibration shaft extends into the cold-hot test box and is connected with the stator of the slip ring; one end of the vibration shaft extending into the cold and heat test box is connected with a flange plate, the flange plate is fixed on a stator of the slip ring, the flange plate is further connected with an intermittent force application assembly, the intermittent force application assembly is in intermittent abutting connection with the axis of a slip ring rotor, and the force application direction of the intermittent force application assembly is along the axis direction of the rotor.
By adopting the technical scheme, the slip ring is arranged in the cold and hot test box, the vibration is transmitted to the slip ring through the vibration table, the drive assembly drives the slip ring to continuously rotate to simulate the working state of the slip ring, in addition, the cold and hot test box and the vibration table can simulate the actual working environment of the slip ring, and various factors simultaneously act on the slip ring, so that the test environment is closer to the actual working environment of the slip ring, and the detection accuracy can be improved; the stator part of the slip ring is fixed through the flange plate, the intermittent force application assembly is fixed on the flange plate, and axial force is applied to the rotor part of the slip ring, so that the scene that the slip ring can bear the axial force in the actual working process is simulated, the test result is more accurate, in addition, the intermittent force application assembly is fixed on the flange plate, so that the vibration frequency of the intermittent force application assembly is consistent with or close to that of the slip ring, the actual working condition of the slip ring in working is further highly reduced, namely the condition that the rotor can bear axial load when the slip ring works, the vibration frequency of the load is consistent with or close to that of the slip ring, and the possibility that scratches are generated at the contact position of the intermittent force application assembly and the slip ring can be reduced;
in addition, by arranging the intermittent force assembly, the working condition that the rotor is subjected to the axial force for a long time is simulated, so that the service life of the slip ring in the long-time use process and the service life of the rotor when the rotor is subjected to the axial force are detected.
Optionally, the driving assembly includes a driving motor fixed in the cold and hot test chamber, a driving sprocket connected to an output shaft of the driving motor, a driven sprocket connected to an end of the slip ring rotor, and a chain connected between the driving sprocket and the driven sprocket.
Through adopting above-mentioned technical scheme, driving motor drives drive sprocket and driven sprocket and rotates, and then drives the rotor rotation of sliding ring, because the stator of sliding ring is fixed on the vibration axle this moment, the rotor is continuous rotatory action for the stator to the life-span of simulation sliding ring actual operating condition, convenient test sliding ring.
Optionally, the ground is provided with a track, the cold and hot test box is connected to the track in a sliding manner, the vibration table is provided with at least two vibration tables, the vibration directions of the at least two vibration tables are different, and the vibration tables are arranged along the length direction of the track.
By adopting the technical scheme, a plurality of vibration tables can be arranged along the track, so that after a period of time of testing on one vibration table, the cold and hot testing machine can slide to the side of the other vibration table along the track and be installed and butted, and the vibration of the slip ring is more diversified.
Optionally, the intermittent force application assembly comprises a mounting frame fixed on the flange plate, a cam rotatably connected to the mounting frame, and a push rod connected to the mounting frame in a sliding manner, wherein the push rod slides along the axis direction of the slip ring rotor, one end of the push rod is abutted against the axis of the slip ring rotor, and the other end of the push rod is abutted against the cam and pushed by the cam.
By adopting the technical scheme, the push rod can realize reciprocating movement by being driven by the cam, so that the push rod is pushed to be intermittently abutted against the axis of the rotor of the sliding ring, thrust is applied to the axis of the rotor, the thrust is changed, the reduction degree of the working stress condition of the rotor is higher, and the detection accuracy is improved.
Optionally, mounting bracket fixedly connected with fixed block, the spout has been seted up to the fixed block, the push rod slides and wears to locate in the spout, the tip of push rod rotates and is connected with the gyro wheel, gyro wheel roll butt in the cam side, the cam includes the body of disc, is provided with a plurality of jacking portions at the body circumference, the axial lateral wall and the body circumference lateral wall rounding off of jacking portion are connected, the fixed block still is provided with and is used for applying the piece that resets towards cam direction power to the push rod.
Through adopting above-mentioned technical scheme, offset through gyro wheel and cam, can reduce the frictional force between cam and the push rod, and when the cam rotated, the jacking portion of cam can be released the push rod towards the sliding ring to exert thrust to the sliding ring, the operating mode of more real simulation sliding ring.
Optionally, the push rod includes mobile jib and vice pole, the mobile jib slides and wears to locate the spout, the mobile jib has seted up the guide way towards the terminal surface of sliding ring, be provided with the spring in the guide way, vice pole one end slides and wears to locate in the guide way and butt in the spring, the guide way and butt in the axle center department of sliding ring rotor are stretched out to the vice pole other end.
By adopting the technical scheme, when the auxiliary rod is abutted to the slip ring and the abutting force is overlarge, a part of force can be absorbed by the compression spring, so that the possibility of damage to the slip ring due to the overlarge abutting force is reduced.
Optionally, a spherical groove is formed in the end portion of the auxiliary rod, a ball is embedded in the spherical groove in a rotating mode, the diameter of a cross-section circle at the opening of the spherical groove is smaller than that of the ball, and the ball abuts against the axis of the slip ring rotor.
Through adopting above-mentioned technical scheme, the ball can be at spherical groove internal rotation, and ball partly exposes spherical groove, when the ball butt was in the terminal surface axle center department of sliding ring, because the sliding ring is in the vibration state, consequently can produce slight relative vibration between push rod and the sliding ring, through setting up the ball, convert sliding friction into rolling friction to reduce the damage of push rod to the sliding ring.
Optionally, the auxiliary rod comprises a first rod connected to the guide groove in a sliding manner, a sleeve sleeved on the first rod, and a second rod penetrating through the sleeve, the auxiliary rod is provided with a protection component, the protection component comprises a first bearing rod connected with the end surface of the first rod and a second bearing rod connected with the end surface of the second rod, a plurality of first bearing rods are distributed along the circumference of the first rod and are arranged at intervals, the width between the adjacent first bearing rods is larger than that of the second bearing rods, the first bearing rod and the second bearing rod are positioned in the sleeve and are corresponding to each other, the first bearing rod is obliquely arranged towards the end surface of the second bearing rod, the end face of the second bearing rod is parallel to and abutted against the inclined face of the first bearing rod, the inclined face of the first bearing rod is provided with a first limiting bulge, and the second bearing rod is provided with a second limiting bulge abutted against the first limiting bulge.
By adopting the technical scheme, the end parts of the first rod and the second rod are abutted in the sleeve, and the first bearing rod and the second bearing rod are abutted through the inclined plane, so that the possibility of relative rotation of the first rod and the second rod can be reduced due to the arrangement of the first limiting bulge and the second limiting bulge; when the butt force between first pole and the sliding ring is too big and surpass the first spacing protruding and the spacing bellied scope of bearing of second, first spacing protruding and the spacing arch of second are destroyed, and under the guide effect on inclined plane this moment, relative dislocation that slides takes place for first load pole and second load pole, make first load pole wear to locate in the interval between the adjacent second load pole, thereby shorten the total length of first pole and second pole, avoid first pole to exert too big thrust to the sliding ring and lead to the problem of sliding ring damage.
Optionally, the driving assembly includes a rotating gear, a fixing seat, a rack, and an incomplete gear, the rotating gear is coaxially fixed to a rotor of the slip ring, the fixing seat is fixed in the cold and heat test box, the fixing seat is provided with a T-shaped groove, the rack slides in the T-shaped groove and is engaged with the rotating gear, the fixing seat is further fixedly connected with a support plate, the incomplete gear is rotatably connected to the support plate and is alternately engaged with the rack and the rotating gear, and the support plate is connected with a rotating motor for driving the incomplete gear to rotate.
By adopting the technical scheme, the rotating motor drives the incomplete gear to continuously rotate, when the incomplete gear is meshed with the rack, the rack can be driven to slide, the rotating gear is always meshed with the rack, so that the rotating gear can be driven to rotate towards a certain direction, when the incomplete gear continuously rotates to be separated from the rack and is meshed with the rotating gear, the rotating gear can be driven to rotate towards the opposite direction, a cycle is completed, the incomplete gear continuously rotates, and the rotating gear is driven to alternatively rotate in the positive direction and the negative direction.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the intermittent force application assembly, thrust is applied to the rotor of the slip ring through the push rod, so that the working condition of the slip ring during actual working can be simulated, and the detection is more accurate;
by combining various influencing factors, factors such as temperature, vibration, pressure and the like are applied to the slip ring at the same time, so that the service life and various performances of the slip ring are detected more accurately;
through setting up the protection subassembly, can reduce because the too big problem that causes the damage to the sliding ring of push rod thrust.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a schematic structural view of the embodiment of the present application when the intermittent force application assembly is not installed.
Fig. 3 is a schematic structural diagram of a driving assembly according to an embodiment of the present application.
FIG. 4 is a schematic view of the internal structure of the intermittent force application assembly according to the embodiment of the present application.
FIG. 5 is an exploded view of an intermittent force application assembly according to an embodiment of the present application.
FIG. 6 is a cross-sectional view of an intermittent force application assembly according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a protection component according to an embodiment of the present application.
Fig. 8 is a schematic structural diagram of a driving assembly according to another embodiment of the present application.
Description of reference numerals: 1. a slide rail; 2. a cold and hot test chamber; 3. a vibration table; 4. a wheel; 5. positioning a plate; 6. positioning the bolt; 7. a vibration shaft; 8. a drive assembly; 9. a bearing seat; 10. vibrating the window; 11. a flange plate; 12. a heat insulating cloth; 13. a drive motor; 14. a drive sprocket; 15. a driven sprocket; 16. a chain; 17. an intermittent force application assembly; 18. a mounting frame; 19. a force application motor; 20. a cam; 21. a fixed block; 22. a push rod; 23. a chute; 24. a roller; 25. a reset member; 26. a butting ring; 27. a body; 28. a jacking portion; 29. a main rod; 30. an auxiliary rod; 31. a guide groove; 32. a spring; 33. a butting tray; 34. blocking edges; 35. a first lever; 36. a second lever; 37. a sleeve; 38. a protection component; 39. a first force bearing rod; 40. a second bearing rod; 41. a first limit protrusion; 42. a second limit bulge; 43. a spherical groove; 44. a ball bearing; 45. a fixed seat; 46. a rack; 47. a rotating gear; 48. a support plate; 49. rotating the motor; 50. an incomplete gear; 51. a base circle; 52. the teeth are engaged.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses slip ring integral type test equipment.
Referring to fig. 1 and 2, the apparatus includes a slide rail 1, a cold and hot test chamber 2, and a vibration table 3, wherein the bottom of the cold and hot test chamber 2 is provided with wheels 4 engaged with the slide rail 1, so that the cold and hot test chamber 2 can slide along the slide rail, the vibration table 3 can be provided with a plurality of vibration tables 3, and the vibration frequency and the vibration direction of the plurality of vibration tables 3 are different, two vibration tables are selected in the embodiment, and one vibration direction is along vertical vibration, and the other vibration direction is along horizontal vibration. The vibration table 3 in this embodiment may be a model ES-25WLS3-340 vibration tester manufactured by yowa vibration equipment ltd, tsubishi. In order to realize the location of cold and hot test case 2, be connected with locating plate 5 at the bottom half of cold and hot test case 2, locating plate 5 is parallel and be close to with the lateral wall of slide rail 1, wears to be equipped with positioning bolt 6 between locating plate 5 and slide rail 1, when moving cold and hot test case 2 along slide rail 1 to being close to shaking table 3, fix cold and hot test case 2 on slide rail 1 through positioning bolt 6, realize the location to cold and hot test case 2.
Referring to fig. 2 and 3, the apparatus further comprises a vibration shaft 7 rotatably connected to the top of the vibration table 3 and for connecting the slip ring, a driving assembly 8 for driving the rotor of the slip ring to rotate, at least two bearing seats 9 are fixed on the table surface of the vibration table 3, the vibration shaft 7 is arranged on the inner ring of the bearing on the bearing seats 9 in a penetrating way, vibration window 10 has been seted up towards the lateral wall of shaking table 3 at cold and hot test box 2, vibration window 10 is passed and stretch into in cold and hot test box 2 to the one end of vibration axle 7, vibration axle 7 stretches into the one end fixedly connected with ring flange 11 of cold and hot test box 2, ring flange 11 is fixed in the stator of sliding ring, the sliding ring can be the level setting this moment and also can be vertical setting, this embodiment explains with the sliding ring is the level setting example, drive assembly 8 sets up and just acts on the rotor of sliding ring in cold and hot test box 2, the rotor that can drive the sliding ring through drive assembly 8 rotates. And a heat insulation cloth 12 is arranged at the vibration window 10 and used for reducing heat or cold loss in the cold and hot test box 2.
Drive assembly 8 includes driving motor 13, drive sprocket 14, driven sprocket 15, chain 16, driving motor 13 passes through bolt fixed connection at cold and hot proof box 2's bottom surface, the coaxial output shaft that is fixed in driving motor 13 of drive sprocket 14, the coaxial tip that is fixed in the slip ring rotor of modes such as 15 accessible shaft couplings or screw threads of driven sprocket, chain 16 is connected in driving sprocket 14 and driven sprocket 15, thereby when driving motor 13 rotated, the rotor that can drive the slip ring through sprocket feed rotates, the work condition of simulation slip ring.
Realize high low temperature exchange through control system in cold and hot test box 2, can adopt the model of the production of hong intelligence to be XH-GDH-225Z's high low temperature test box, it can realize that temperature cold and hot regulation and control and humidity regulate and control to the test environment of control sliding ring makes its in-service use operating mode that more laminates the sliding ring.
And can be provided with temperature sensor and humidity transducer in cold and hot proof box 2, temperature sensor and humidity transducer are used for temperature and humidity in the cold and hot proof box 2 of real-time supervision to feed back monitor signal to the controller, the controller can make the instruction according to real-time data, keep in the scope of needs with temperature and humidity in the cold and hot proof box 2 of control.
Referring to fig. 4 and 5, an intermittent force application assembly 17 is further connected to the flange 11, the intermittent force application assembly 17 includes a mounting frame 18, a force application motor 19, a cam 20, a fixing block 21 and a push rod 22, the mounting frame 18 is fixed to the flange 11 through bolts and extends to one end of the slip ring away from the driving assembly 8, the force application motor 19 is fixed to the mounting frame 18, the cam 20 is fixed to an output shaft of the force application motor 19, a rotation axis of the cam 20 is coaxial with the output shaft of the force application motor 19, the fixing block 21 is fixed to the mounting frame 18 and located between the slip ring and the cam 20, a sliding groove 23 is formed in the fixing block 21, the push rod 22 is slidably inserted into the sliding groove 23, a rotor of the slip ring, the sliding groove 23 and the push rod 22 are coaxially arranged, one end of the push rod 22 abuts against an axis of a rotor end face of the slip ring, the other end of the push rod 22 is rotatably connected with a roller 24 through a bearing, and an axis of the roller 24 is perpendicular to the push rod 22, the circumferential side wall of the roller 24 rotates against the circumferential side wall of the cam 20.
Referring to fig. 4, a reset member 25 is connected to a side wall of the fixed block 21 facing the cam 20, the reset member 25 has elasticity, a butting ring 26 is integrally connected to a side wall of the push rod 22, one end of the elastic member is connected to the side wall of the fixed block 21, and the other end of the elastic member abuts against the butting ring 26, so that the reset member 25 is compressed when the cam 20 pushes the push rod 22 to move toward the slip ring, and the push rod 22 is reset through the reset member 25 when the cam 20 continues to rotate, where the reset member 25 may be a spring, rubber, or the like, and a spring 32 is used in this embodiment.
Referring to fig. 4, the cam 20 includes a disc-shaped body 27, a plurality of lift portions 28 are integrally formed on a circumferential side wall of the body 27, a distance from a high point of the lift portion 28 to a center of the body 27 is greater than a radius of the body 27, and distances from the high points of the lift portions 28 to the center of the body 27 are different, so that lift forces of different magnitudes can be generated, and the circumferential side wall of the lift portion 28 is smoothly connected with the circumferential side wall of the body 27.
Referring to fig. 5 and 6, the push rod 22 includes a main rod 29 slidably disposed in the sliding groove 23 and an auxiliary rod 30 slidably disposed in the main rod 29, a guide groove 31 is formed in an end surface of the main rod 29 facing the sliding ring along a length direction thereof, a spring 32 is disposed in the guide groove 31, one end of the spring 32 is connected to a bottom surface of the guide groove 31, the other end is connected to an end surface of the auxiliary rod 30, one end of the auxiliary rod 30 abutting against the spring 32 is connected to a disk-shaped abutting disc 33, a diameter of the abutting disc 33 is larger than that of the auxiliary rod 30, an annular stopper 34 extends inward from an opening end of the main rod 29, and an inner diameter of the stopper 34 is smaller than an outer diameter of the abutting disc 33, so that the auxiliary rod 30 is prevented from being pushed out of the guide groove 31 by the spring 32; the other end of the sub-rod 30 protrudes out of the guide groove 31 and abuts at the axial center of the slip ring rotor. Through setting up spring 32, play buffering shock attenuation's effect, can reduce vice pole 30 and strike and cause excessive damage to the sliding ring rotor.
Referring to fig. 6 and 7, in order to further protect the slip ring, the secondary rod 30 is configured to be composed of two segments, the secondary rod 30 includes a first rod 35 and a second rod 36, the second rod 36 is slidably disposed in the guide groove 31, the first rod 35 abuts against the slip ring, a sleeve 37 is sleeved at a position where the first rod 35 and the second rod 36 are joined, ends of the first rod 35 and the second rod 36, which are close to each other, are disposed in the sleeve 37, the secondary rod 30 is further connected with a protection assembly 38, the protection assembly 38 includes a first force-bearing rod 39, a second force-bearing rod 40, a first limit protrusion 41 and a second limit protrusion 42, wherein the first force-bearing rod 39 is provided with at least two ends that are integrally connected to the first rod 35, three first force-bearing rods 39 are disposed on the end surface of the first rod 35 in an annular distribution, a spacing width between adjacent first force-bearing rods 39 is greater than a width of the second force-bearing rod 40, one end of the second bearing rod 40 is integrally connected to the end face of the second rod 36, the other end of the second bearing rod 40 is abutted against the first bearing rod 39, and the second bearing rods 40 correspond to the first bearing rods 39 one to one.
Referring to fig. 7, the end faces of the first and second force-bearing rods 39 and 40 are inclined, the inclined directions of the inclined faces of the three first force-bearing rods 39 are all clockwise or all counterclockwise, the end faces of the second force-bearing rods 40 and 39 are inclined and parallel to the inclined faces of the first force-bearing rods 39, so that when the first and second rods 35 and 36 are subjected to an axial force, the inclined faces of the second force-bearing rods 40 apply component forces to the first force-bearing rods 39 in the axial direction and in the circumferential tangential direction, so that the first rod 35 is pushed by the component forces in the circumferential tangential direction to rotate relative to the second rod 36 and to be dislocated from the second rod 36, at this time, the first rod 35 moves towards the second rod 36, so that the total length of the first rod 35 and the second rod 36 is reduced, the first rod 35 is prevented from applying an excessive thrust force to the slip ring to damage the slip ring, and the needle breakage protection effect is achieved.
In order to better control the abutting force of the first rod 35, the first limiting protrusion 41 is arranged on the inclined surface of the first force bearing rod 39, the second limiting protrusion 42 is arranged on the inclined surface of the second force bearing rod 40, the side surface of the first limiting protrusion 41 and the side surface of the second limiting protrusion 42 abut against each other and bear axial force, the first limiting protrusion 41 and the second limiting protrusion 42 are destructible and can be made of fragile materials such as rubber and plastics, in the embodiment, rubber is adopted, when the reverse force applied to the first push rod 22 by the slip ring is too large to cause damage or deformation of the first limiting protrusion 41 and the second limiting protrusion 42, the first rod 35 can rotate along the inclined surface relative to the second rod 36 and is dislocated with the second rod 36, so that the first force bearing rod 39 and the second force bearing rod 40 are inserted in a staggered manner, the total length of the first rod 35 and the second rod 36 can be reduced in an emergency, and the slip ring is prevented from being excessively damaged.
Referring to fig. 6, in order to reduce the friction force between the first rod 35 and the slip ring, a spherical groove 43 is opened on the end surface of the first rod 35 facing the slip ring, a ball 44 is rotatably inserted into the spherical groove 43, the ball 44 abuts against the axial center of the end surface of the slip ring rotor, in order to prevent the ball 44 from coming off the spherical groove 43, the diameter of the cross-sectional circle at the opening of the spherical groove 43 is smaller than that of the ball 44, the first rod 35 may be molded by insert molding during processing, or the first rod 35 may be divided into two halves, and the two halves of the first rod 35 may be fixed after the ball 44 is inserted.
Referring to fig. 4 and 8, in another embodiment, another driving assembly 8 may be adopted, the driving assembly 8 may further include a fixing base 45 fixed at the bottom of the thermal test chamber 2, a rack 46 slidably connected to the fixing base 45, a rotating gear 47 coaxially fixed to the slip ring rotor, a support plate 48 fixed to the fixing base 45, a rotating motor 49 fixed to the support plate 48, and an incomplete gear 50 connected to an output shaft of the rotating motor 49, a T-shaped slot is formed on the fixing base 45, the rack 46 slides in the T-shaped slot, wherein the rotating gear 47 and the rack 46 are always in a meshed state, the incomplete gear 50 includes a disc-shaped base circle 51 and meshing teeth 52 integrally formed on a circumferential side wall of the base circle 51, the meshing teeth 52 are provided with two sets and symmetrically distributed along an axial center of the base circle 51, each set of meshing teeth 52 is provided with 3 teeth, and the meshing teeth 52 are alternately meshed with the rack 46 and the rotating gear 47, to effect reciprocating drive of rack 46.
The implementation principle of the embodiment of the application is as follows: be fixed in vibration axle 7 with the stator of sliding ring, later drive driving sprocket 14 through driving motor 13 and rotate, the rotor through 16 drive sliding rings of chain lasts the rotation, the actual operating condition of simulation sliding ring, drive vibration axle 7 vibrations through shaking table 3 simultaneously, and then drive the sliding ring vibration, the vibrations environment of simulation sliding ring, in addition through the temperature and humidity in the 2 control casees of cold and hot proof box, and each item performance and the life-span of detection sliding ring.
When shaking table 3 drives the vibration of sliding ring, cam 20 rotates and drives push rod 22 reciprocating motion, make the tip butt of first pole 35 in the terminal surface of sliding ring, thereby exert along its axial thrust to the rotor of sliding ring, and should support the thrust real-time change, can simulate the atress condition of sliding ring in-service behavior more accurately, can promote the vice pole 30 through spring 32 in addition and have the trend towards the sliding ring removal all the time, still can play buffering absorbing effect through compression spring 32, protection component 38 has been set up in addition, can prevent that first pole 35 from leading to the excessive problem of damaging the sliding ring to the sliding ring thrust too big.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (3)
1. The utility model provides a sliding ring integral type test equipment which characterized in that: the device comprises a cold and hot test box (2), a vibration table (3) arranged on one side of the cold and hot test box (2), a vibration shaft (7) rotationally connected to the vibration table (3) and used for connecting a slip ring stator, and a driving assembly (8) used for driving a slip ring rotor to rotate, wherein the slip ring is positioned in the cold and hot test box (2), and one end of the vibration shaft (7) extends into the cold and hot test box (2) and is connected to the stator of the slip ring; one end of the vibration shaft (7) extending into the cold and heat test box (2) is connected with a flange plate (11), the flange plate (11) is fixed on a stator of the slip ring, the flange plate (11) is also connected with an intermittent force application assembly (17), the intermittent force application assembly (17) is intermittently abutted against the axis of a slip ring rotor, and the force application direction of the intermittent force application assembly (17) is along the axis direction of the rotor; the driving assembly (8) comprises a driving motor (13) fixed in the cold and hot test box (2), a driving chain wheel (14) connected to an output shaft of the driving motor (13), a driven chain wheel (15) connected to the end part of the slip ring rotor, and a chain (16) connected between the driving chain wheel (14) and the driven chain wheel (15); the intermittent force application assembly (17) comprises a mounting frame (18) fixed on the flange plate (11), a cam (20) rotationally connected to the mounting frame (18), and a push rod (22) connected to the mounting frame (18) in a sliding mode, wherein the push rod (22) slides along the axis direction of the slip ring rotor, one end of the push rod (22) abuts against the axis of the slip ring rotor, and the other end of the push rod (22) abuts against the cam (20) and is pushed by the cam (20); the mounting frame (18) is fixedly connected with a fixing block (21), the fixing block (21) is provided with a sliding groove (23), the push rod (22) is slidably arranged in the sliding groove (23), the end part of the push rod (22) is rotatably connected with a roller (24), the roller (24) is in rolling butt joint with the side surface of the cam (20), the cam (20) comprises a disc-shaped body (27), a plurality of jacking parts (28) are arranged on the circumference of the body (27), the axial side wall of each jacking part (28) is in smooth connection with the circumferential side wall of the body (27), and the fixing block (21) is further provided with a resetting piece (25) used for applying force to the push rod (22) in the direction towards the cam (20); the push rod (22) comprises a main rod (29) and an auxiliary rod (30), the main rod (29) is slidably arranged in the sliding groove (23), a guide groove (31) is formed in the end face, facing the sliding ring, of the main rod (29), a spring (32) is arranged in the guide groove (31), one end of the auxiliary rod (30) is slidably arranged in the guide groove (31) in a penetrating mode and abutted against the spring (32), and the other end of the auxiliary rod (30) extends out of the guide groove (31) and abutted against the axis of the sliding ring rotor; a spherical groove (43) is formed in the end of the auxiliary rod (30), a ball (44) is embedded in the spherical groove (43) in a rotating mode, the diameter of a cross section circle at the opening of the spherical groove (43) is smaller than that of the ball (44), and the ball (44) abuts against the axis of the slip ring rotor; the auxiliary rod (30) comprises a first rod (35) connected with the guide groove (31) in a sliding mode, a sleeve (37) sleeved on the first rod (35), and a second rod (36) penetrating through the sleeve (37), the auxiliary rod (30) is provided with a protection assembly (38), the protection assembly (38) comprises a first bearing rod (39) connected with the end face of the first rod (35) and a second bearing rod (40) connected with the end face of the second rod (36), the first bearing rods (39) are distributed along the circumference of the first rod (35) in a plurality of and spaced arrangement, the width between the adjacent first bearing rods (39) is greater than that of the second bearing rod (40), the first bearing rod (39) and the second bearing rod (40) are both located in the sleeve (37) and correspond to each other, the first bearing rod (39) is arranged in an inclined mode towards the end face of the second bearing rod (40), the end face of the second bearing rod (40) is parallel to and abutted against the inclined face of the first bearing rod (39), the inclined plane of the first bearing rod (39) is provided with a first limiting bulge (41), and the second bearing rod (40) is provided with a second limiting bulge (42) abutted against the first limiting bulge (41).
2. The slip ring integrated test apparatus as claimed in claim 1, wherein: the ground is provided with a track, the cold and hot test box (2) is connected to the track in a sliding mode, the vibration table (3) is provided with at least two vibration tables, the vibration directions of the at least two vibration tables (3) are different, and the vibration tables (3) are arranged along the length direction of the track.
3. The slip ring integrated test apparatus as claimed in claim 1, wherein: the driving assembly (8) comprises a rotating gear (47), a fixing seat (45), a rack (46) and an incomplete gear (50), the rotating gear (47) is coaxially fixed on a rotor of the sliding ring, the fixing seat (45) is fixed in the cold and heat test box (2), a T-shaped groove is formed in the fixing seat (45), the rack (46) slides in the T-shaped groove and is meshed with the rotating gear (47), the fixing seat (45) is further fixedly connected with a support plate (48), the incomplete gear (50) is rotatably connected to the support plate (48) and is alternately meshed with the rack (46) and the rotating gear (47), and the support plate (48) is connected with a rotating motor (49) for driving the incomplete gear (50) to rotate.
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| CN202110694387.5A CN113418688B (en) | 2021-06-22 | 2021-06-22 | Slip ring integrated test equipment |
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| CN202110694387.5A CN113418688B (en) | 2021-06-22 | 2021-06-22 | Slip ring integrated test equipment |
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| CN114660363B (en) * | 2022-05-24 | 2022-08-12 | 西安仕贤科技有限公司 | Collector ring operating condition automatic checkout device |
| CN115561549B (en) * | 2022-09-28 | 2024-03-05 | 深圳市森瑞普电子有限公司 | A testing arrangement for anti-interference of sliding ring signal |
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Address after: 314000 No.69 Tianshu Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Enbi Technology Innovation Technology Co.,Ltd. Country or region after: China Address before: 314000 No.69 Tianshu Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee before: JIAXING ENBIJI ELECTRIC CO.,LTD. Country or region before: China |