CN204638494U

CN204638494U - Exciter

Info

Publication number: CN204638494U
Application number: CN201420824161.8U
Authority: CN
Inventors: 徐允振; 卢岩; 刘伟和; 董俊华; 董炯
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-12-23
Filing date: 2014-12-23
Publication date: 2015-09-16
Anticipated expiration: 2024-12-23

Abstract

A kind of exciter, is made up of motor, three vibrator gears, two vibrator pivot suspensions, four centrifugal exciting block assemblies.When motor rotates, motor is connected with vibrator roller gear by axle, centrifugal exciting block assembly is rotated, exciting block slide block under the influence of centrifugal force, move to exciting block assembly base wall, formed eccentric, when bias is in vertical, under the effect of gravity and extension spring, exciting block slide block changes to the exciting block assembly pedestal axle center degree of eccentricity, exciting block is caused to vibrate, adjacent two exciting block assembly direction of rotation are contrary, make the overall stress balance in the horizontal direction of vibrator, the vibration superposition of vertical direction, the vibration superposition of the vertical direction of four centrifugal exciting block assemblies, reach Oscillation Amplitude to increase, waveform is simple harmonic quantity more, more be tending towards the object of straight-line oscillation.

Description

Exciter

Technical field

The utility model belongs to and utilizes the vitals of mechanical oscillation to vibrate and strength test object, or to the technical field that vibration testing instrument and sensor are calibrated.Vibrator also can be used as driver unit composition vibrating machine, in order to realize the work such as to make firm by ramming of the conveying of material or object, screening, closely knit, shaping and soil sandstone.

Background technology

Vibrator is attached on some machinery and equipment in order to produce the device of exciting force.By the difference of excitation pattern, vibrator is divided into the patterns such as inertia-type electrodynamic type, electromagnetic type, electric-liquid type, pneumatic type and fluid pressure type.Vibrator can produce unidirectional or multidirectional, the exciting force of simple harmonic quantity or non-simple harmonic quantity.No matter various types of vibrator produces different mechanics effect-be eccentric shaft by different integrated modes or block is eccentric, all one-eccentric rotor type vibrators drive corresponding equipment to do approximate circular motion, the one-eccentric rotor type vibrator of all double-shaft vibration exciters or two same models and specification piles distribution side by side, and do running in the other direction, drive that equipment corresponding to do near linear vibration, thus meet different actual demands, typical module common in Practical Project has: one-eccentric rotor type vibrator and separate unit are arranged (body does approximate circle motion), the separate unit of double-shaft vibration exciter arranges (body does approximate straight line motion), (body does approximate straight line motion to double-shaft vibration exciter arranged in series, but power bracket is larger), one-eccentric rotor type vibrator two or three tablecloths are put (body does nonlinear motion), one-eccentric rotor type vibrator multiple stage (being generally three) arranges that different directions rotates (body forms the motion of vertebra garden), one-eccentric rotor type vibrator multiple stage arranges that equidirectional rotates (its mechanics effect forms the motion of big vertebra garden), but above-mentioned vibrator does not ensure the function that the degree of eccentricity and exciting force are simultaneously adjustable.

Summary of the invention

The purpose of this utility model is to provide one and in rotation, utilizes gravity, centrifugal force to produce centre offset by centrifugal exciting block slide block, utilize extension spring accumulation of energy, reset, vibrator is produced to the exciting force of simple harmonic quantity, by means of double-shaft vibration exciter side by side, arranged in series and antiport, driving arrangement does approximate straight-line oscillation; Utilize the two hanging hang structure of twin shaft, make the convergence Du Genggao of straight-line oscillation, utilize the centrifugal exciting block slide position of adjustment to reach the exciter of the degree of eccentricity and exciting force adjustable object simultaneously.

Solving the problems of the technologies described above adopted technical scheme is:

A kind of exciter, it is characterized in that: bearing 21 is arranged on vibrator housing 12, exciting block fulcrum I 4 is supported by bearing 21, exciting block props up shaft labyrinth pedestal 6 and is fixed on vibrator housing 12 by screw III 37, exciting block props up shaft labyrinth end cap 5 and is enclosed within exciting block fulcrum I 4, exciting block props up shaft labyrinth end cap 5 and exciting block and props up after shaft labyrinth pedestal 6 is connected and be connected with centrifugal exciting block assembly I 1, the two ends that centrifugal exciting block assembly I 1 and centrifugal exciting block assembly II 33 are enclosed within exciting block fulcrum I 4 are connected by key I 3 and are fixed by round nut 2, gear shaft 18 is connected with bearing 21, shaft end ring 8 is connected with pin I 10 one end being fixed on gear shaft 18 by screw II 9, gear shaft end cap 11 is fixed on vibrator housing 12 by screw I 7, bearing 21 and the spacer II 38 of gear shaft 18 other end, circlip 16 and gear shaft transparent cover 14 connect, gear shaft transparent cover 14 and motor 19 are fixed on vibrator housing 12 by bolt 15, motor 19 is connected with gear shaft 18 by key II 17, vibrator roller gear I 13 is fixed on gear shaft 18 and engages with vibrator roller gear II 40, vibrator roller gear II 40 is enclosed within exciting block fulcrum I 4 and is connected by key III 42, spacer I 24 to be enclosed within exciting block fulcrum I 4 and to be connected with vibrator roller gear II 40, vibrator roller gear II 40 engages with vibrator roller gear I 13 and vibrator roller gear III 41 simultaneously, the two ends that centrifugal exciting block assembly III 34 and centrifugal exciting block assembly IV 36 are enclosed within exciting block fulcrum II 35 are connected by key I 3 and use round nut 2 to fix, vibrator roller gear III 41 is enclosed within exciting block fulcrum II 35 and is connected by key III 42, exciting block protective cover 22 cross recess fillister head screw 20 is fixed on vibrator housing 12, form cover plate 23 is fixed on vibrator housing 12 by screw IV 39, one end of extension spring 27 is connected with centrifugal exciting block slide block 28 by pin III 29, the other end of extension spring 27 is connected on pin II 26, pin II 26 is fixed on centrifugal exciting block pedestal 25, two pieces of slider guide limited blocks 31 are fixed on centrifugal exciting block pedestal 25 by hexagon socket cap head screw 30 and grooved round nut 32, and centrifugal exciting block slide block 28 is slidably connected between two pieces of slider guide limited blocks 31.

the beneficial effects of the utility model: the utility model utilizes the centrifugal exciting block assembly of two vibrator pivot suspensions four, when motor rotates, motor is connected with vibrator roller gear by axle, centrifugal exciting block assembly is rotated, centrifugal exciting block slide block under the influence of centrifugal force, to centrifugal exciting block base wall motion, formed eccentric, when bias is in vertical, under the effect of gravity and extension spring, the degree of eccentricity changes, cause centrifugal exciting block slider oscillation, adjacent two centrifugal exciting block assembly direction of rotation are contrary, make the overall stress balance in the horizontal direction of vibrator, the vibration superposition of vertical direction, the vibration superposition of the vertical direction of four centrifugal exciting block assemblies, Oscillation Amplitude is increased, waveform is simple harmonic quantity more, more be tending towards straight-line oscillation, this equipment is more simple, it is little, easy to operate to take up room, exciting is effective, ensure the degree of eccentricity and exciting force simultaneously adjustable.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the structural representation of centrifugal exciting block slide block in the utility model;

Fig. 5 is the right view of Fig. 4;

Fig. 6 is the A-A profile of Fig. 4.

In figure: 1. centrifugal exciting block assembly I, 2. round nut, 3. key I, 4. exciting block fulcrum I, 5. exciting block props up shaft labyrinth end cap, 6. exciting block props up shaft labyrinth pedestal, 7. screw I, 8. shaft end ring, 9. screw II, 10. pin I, 11. gear shaft end caps, 12. vibrator housings, 13. vibrator roller gears I, 14. gear shaft transparent covers, 15. bolts, 16. circlips, 17. keys II, 18. gear shafts, 19. motor, 20. cross recess fillister head screws, 21. bearings, 22. exciting block protective covers, 23. form cover plates, 24. spacers, 25. centrifugal exciting block pedestals, 26. pins II, 27. extension springs, 28. centrifugal exciting block slide blocks, 29. pins III, 30. hexagon socket cap head screws, 31. slider guide limited blocks, 32. grooveds round nut, 33. centrifugal exciting block assemblies II, 34. centrifugal exciting block assemblies III, 35. exciting block fulcrums II, 36. centrifugal exciting block assemblies IV, 37. screws III, 38. spacers II, 39. screws IV, 40. vibrator roller gears II, 41. vibrator roller gears III, 42. keys III.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is further illustrated.

A kind of exciter, as shown in Figure 1-Figure 3, bearing 21 is arranged on vibrator housing 12, exciting block fulcrum I 4 is supported by bearing 21, exciting block props up shaft labyrinth pedestal 6 and is fixed on vibrator housing 12 by screw III 37, exciting block props up shaft labyrinth end cap 5 and is enclosed within exciting block fulcrum I 4, propping up shaft labyrinth end cap 5 and exciting block with exciting block, to prop up shaft labyrinth pedestal 6 spacing, exciting block props up shaft labyrinth end cap 5 and exciting block and props up after shaft labyrinth pedestal 6 is connected and be connected with centrifugal exciting block assembly I 1, the two ends that centrifugal exciting block assembly I 1 and centrifugal exciting block assembly II 33 are enclosed within exciting block fulcrum I 4 are connected by key I 3 and are fixed by round nut 2, gear shaft 18 is connected with bearing 21, shaft end ring 8 is connected with pin I 10, gear shaft 18 one end is fixed on screw II 9, spacing to bearing 21, gear shaft end cap 11 is fixed on vibrator housing 12 by screw I 7, bearing 21 and the spacer II 38 of gear shaft 18 other end, circlip 16 and gear shaft transparent cover 14 connect, with spacer II 38, circlip 16 and gear shaft transparent cover 14 spacing, gear shaft transparent cover 14 and motor 19 are fixed on vibrator housing 12 by bolt 15, motor 19 is connected with gear shaft 18 by key II 17, vibrator roller gear I 13 is fixed on gear shaft 18 and engages with vibrator roller gear II 40, vibrator roller gear II 40 is enclosed within exciting block fulcrum I 4 and is connected by key III 42, spacer I 24 to be enclosed within exciting block fulcrum I 4 and to be connected with vibrator roller gear II 40, spacing with spacer I 24, vibrator roller gear II 40 engages with vibrator roller gear I 13 and vibrator roller gear III 41 simultaneously, the two ends that centrifugal exciting block assembly III 34 and centrifugal exciting block assembly IV 36 are enclosed within exciting block fulcrum II 35 are connected by key I 3 and use round nut 2 to fix, and vibrator roller gear III 41 is enclosed within exciting block fulcrum II 35 and is connected by key III 42, when motor 19 rotates, rotated by key II 17 driven gear axle 18, vibrator roller gear I 13 is rotated, engage with vibrator roller gear II 40 drives exciting block fulcrum I 4 to rotate simultaneously, vibrator roller gear II 40 engages with vibrator roller gear III 41 again, drive the rotation that exciting block fulcrum II 35 is reverse with exciting block fulcrum I 4, centrifugal exciting block assembly I 1 and centrifugal exciting block assembly II 33 rotate with exciting block fulcrum I 4, centrifugal exciting block assembly III 34 and centrifugal exciting block assembly IV 36 rotate with exciting block fulcrum II 35, centrifugal exciting block assembly I 1 and centrifugal exciting block assembly II 33 reversely rotate, exciting block protective cover 22 cross recess fillister head screw 20 is fixed on vibrator housing 12, and form cover plate 23 is fixed on vibrator housing 12 by screw IV 39.

The structural representation of Fig. 4-Figure 6 shows that centrifugal exciting block slide block in the utility model: one end of extension spring 27 is connected with centrifugal exciting block slide block 28 by pin III 29, and the other end is connected on pin II 26, and pin II 26 is fixed on centrifugal exciting block pedestal 25; Two pieces of slider guide limited blocks 31 are fixed on centrifugal exciting block pedestal 25 by hexagon socket cap head screw 30 and grooved round nut 32, centrifugal exciting block slide block 28 is slidably connected between two pieces of slider guide limited blocks 31, two pieces of slider guide limited blocks 31 are by spacing for centrifugal exciting block slide block 28, and formation is slidably connected; When centrifugal exciting block assembly rotates, centrifugal exciting block slide block 28, under centrifugal action, moves along the V-type groove on two pieces of slider guide limited blocks 31 to centrifugal exciting block pedestal 25 wall, produces eccentric; When V-type groove on slider guide limited block 31 goes to vertical, under the effect of gravity and extension spring 27, centrifugal exciting block slide block 28 moves to centrifugal exciting block pedestal 25 center of circle, produces vibration; Centrifugal exciting block assembly rotating Vortex on same fulcrum, the centrifugal exciting block assembly counter-rotating on different fulcrum, makes the power in vibrator horizontal direction reach balance, and the vibration superposition in vertical direction, adds exciting amplitude and exciting force; Pin II 26 is fixed on centrifugal exciting block pedestal 25, and adjusting pin II 26 is fixed on the position on centrifugal exciting block pedestal 25, and the position of centrifugal exciting block slide block 28 changes thereupon, makes the degree of eccentricity and exciting force simultaneously adjustable.

Claims

1. an exciter, it is characterized in that: bearing (21) is arranged on vibrator housing (12), exciting block fulcrum I (4) is supported by bearing (21), exciting block props up shaft labyrinth pedestal (6) and is fixed on vibrator housing (12) by screw III (37), exciting block props up shaft labyrinth end cap (5) and is enclosed within exciting block fulcrum I (4), exciting block props up shaft labyrinth end cap (5) and exciting block and props up after shaft labyrinth pedestal (6) is connected and be connected with centrifugal exciting block assembly I (1), the two ends that centrifugal exciting block assembly I (1) and centrifugal exciting block assembly II (33) are enclosed within exciting block fulcrum I (4) are connected by key I (3) and to pass through round nut (2) fixing, gear shaft (18) is connected with bearing (21), shaft end ring (8) is connected with pin I (10) one end being fixed on gear shaft (18) by screw II (9), gear shaft end cap (11) is fixed on vibrator housing (12) by screw I (7), bearing (21) and the spacer II (38) of gear shaft (18) other end, circlip (16) and gear shaft transparent cover (14) connect, gear shaft transparent cover (14) and motor (19) are fixed on vibrator housing (12) by bolt (15), motor (19) is connected with gear shaft (18) by key II (17), vibrator roller gear I (13) is fixed on gear shaft (18) and above engages with vibrator roller gear II (40), vibrator roller gear II (40) is enclosed within exciting block fulcrum I (4) and is connected by key III (42), spacer I (24) is enclosed within exciting block fulcrum I (4) and goes up and be connected with vibrator roller gear II (40), vibrator roller gear II (40) engages with vibrator roller gear I (13) and vibrator roller gear III (41) simultaneously, the two ends that centrifugal exciting block assembly III (34) and centrifugal exciting block assembly IV (36) are enclosed within exciting block fulcrum II (35) are connected by key I (3) and use round nut (2) to fix, vibrator roller gear III (41) is enclosed within exciting block fulcrum II (35) and is connected by key III (42), exciting block protective cover (22) cross recess fillister head screw (20) is fixed on vibrator housing (12), form cover plate (23) is fixed on vibrator housing (12) by screw IV (39), one end of extension spring (27) is connected with centrifugal exciting block slide block (28) by pin III (29), the other end of extension spring (27) is connected on pin II (26), pin II (26) is fixed on centrifugal exciting block pedestal (25), two pieces of slider guide limited blocks (31) are fixed on centrifugal exciting block pedestal (25) by hexagon socket cap head screw (30) and grooved round nut (32), and centrifugal exciting block slide block (28) is slidably connected between two pieces of slider guide limited blocks (31).