Multi-stage fast-adjustment vibration exciter

By combining the sliding frame and the limiting groove with the dial and vernier, the problem of inconvenient adjustment of the eccentric wheel angle is solved, and the precise adjustment and cooling function of the multi-stage fast-adjustment vibrator is realized.

CN223655433UActive Publication Date: 2025-12-12CHINA AUTOMOTIVE ENG RES INST
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Patent Information

Application Number
CN202423067139.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-12
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

In the existing technology, the angle adjustment of the eccentric wheel is inconvenient and the adjustment accuracy is poor, which makes it difficult to position the eccentric wheel.

Method used

The design employs a sliding frame and a limiting groove, which achieves circumferential positioning of the eccentric wheel through the positioning rod and positioning groove. The adjustment accuracy is improved by combining a dial and a vernier, while a cooling component is provided to prevent overheating.

Benefits of technology

It enables convenient and precise adjustment of the eccentric wheel angle, reduces the difficulty of operation and improves the adjustment accuracy, and avoids the adjustment effect being affected by overheating.

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Abstract

The utility model provides a multistage fast-adjustment vibration exciter which comprises a double-shaft motor and an eccentric wheel set. The eccentric wheel assemblies are arranged on output shafts on the two sides of the double-shaft motor. The eccentric wheel assembly comprises a connecting shaft used for being connected with an output shaft, a sliding frame arranged on the connecting shaft and an eccentric wheel movably arranged on the connecting shaft in a sleeving mode. Positioning rods are arranged on the sliding frame, the multiple positioning rods are arranged around the connecting shaft in the circumferential direction at intervals, a positioning groove is formed in the eccentric wheel, and the positioning rods are inserted into the positioning groove; a bolt is arranged on the sliding frame, a screw hole is formed in the connecting shaft, and the sliding frame is in threaded connection with the connecting shaft through the bolt. The eccentric wheel positioning device solves the problem that eccentric wheel positioning operation is difficult.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a technical field of exciter, specifically relates to a multistage quick adjustment exciter. BACKGROUND

[0002] The double-shaft exciter has two driving shafts rotating synchronously in opposite directions, eccentric blocks on the two driving shafts rotate synchronously to produce regular changes, so that a straight-line vibration of a machine is generated, and the amplitude output by the exciter can be changed by changing the included angle between the eccentric blocks on the two driving shafts.

[0003] In the prior art, the eccentric blocks are detachably mounted on the driving shafts by bolts, when adjusting the angle between the two eccentric blocks, one hand holds the eccentric wheel after rotation, and the other hand rotates the bolt to fix the eccentric wheel, this kind of adjustment mode is inconvenient to operate, and the eccentric wheel after angle adjustment is not fixed, in the process of fixing the bolt, the eccentric wheel of the other hand changes the angle adjustment of the eccentric wheel, and the adjustment precision is poor. UTILITY MODEL CONTENTS

[0004] The utility model discloses a multistage quick adjustment exciter, which solves the problem of difficult positioning operation of the eccentric wheel.

[0005] The utility model discloses a multistage quick adjustment exciter, which solves the problem of difficult positioning operation of the eccentric wheel.

[0006] The utility model discloses preferably, a limiting slot is set up on the connecting shaft, the limiting slot extends along the length direction of the connecting shaft, a limiting block is set up on the slide frame, and the limiting block is inserted into the limiting slot.

[0007] The utility model discloses preferably, the inner wall of the limiting slot two sides is pasted with the outer wall of the limiting block two sides.

[0008] The utility model discloses preferably, the length of the limiting slot is greater than the length of the positioning rod and the thickness of the slide frame.

[0009] The utility model discloses preferably, an end slot is set up on the connecting shaft, the end slot is set up around the outer wall of the connecting shaft for a week, and the eccentric wheel is movably arranged in the end slot.

[0010] The utility model discloses a better technical scheme: fixedly be provided with the dial on the double shaft motor, the dial with double shaft motor output shaft coaxial arrangement is fixedly provided with vernier on eccentric wheel.

[0011] The utility model discloses a better technical scheme: detachable accessory wheel is arranged on the eccentric wheel.

[0012] The utility model discloses a better technical scheme: the double shaft motor below is provided with cooling spare, the cooling spare includes jet plate, air pump and bifurcate pipe, two the jet plate is towards two eccentric wheel assembly setting, the air pump is connected two jet plate through bifurcate pipe.

[0013] The utility model discloses a kind of multi-stage fast-adjusting vibration exciters with the following beneficial effects:

[0014] 1, eccentric wheel is fixed on connecting shaft by sliding frame, sliding frame is cooperated with limiting block and limiting slot to avoid sliding frame rotating around connecting shaft, eccentric wheel and sliding frame are realized circumferential positioning by positioning rod and positioning slot, it is convenient for eccentric wheel after angle positioning adjustment, without user operation, reduce user burden, by bolt and screw hole cooperation, eccentric wheel, sliding frame can be fixed on connecting shaft, realize eccentric wheel angle adjustment;

[0015] 2, fixedly set dial, set vernier on eccentric wheel, in the process of rotating and adjusting eccentric wheel angle, eccentric wheel rotating angle can be measured by vernier indicating dial, the angle difference between the eccentric wheel of double shaft motor two sides is obtained, improve adjustment accuracy;

[0016] 3, cooling spare is arranged below eccentric wheel assembly, eccentric wheel assembly is blown and cooled by jet plate, avoid eccentric wheel assembly internal because of continuous friction overheating in the process of vibration exciter continuous work, influence subsequent eccentric wheel angle adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In the drawings, like reference numerals are used to represent similar elements throughout different views. The drawings in the following description are some embodiments of the present application, not all embodiments. For those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0018] Fig. 1 It is the structure schematic view of eccentric wheel assembly in the utility model embodiment.

[0019] Fig. 2 It is the installation schematic view of eccentric wheel assembly in the utility model embodiment.

[0020] Fig. 3The utility model discloses a structure diagram of the cooling piece in the embodiment of the utility model.

[0021] Fig. 4 The utility model discloses a structure diagram of the sliding frame in the embodiment of the utility model.

[0022] In the drawing: 1, mounting seat, 2, double shaft motor, 3, dial, 4, eccentric wheel assembly, 41, connecting shaft, 411, limit slot, 412, end slot, 42, eccentric wheel, 421, boss, 43, vernier, 441, sliding frame, 442, positioning rod, 443, limit block, 444, bolt, 45, accessory wheel, 5, cooling piece, 51, air pump, 52, bifurcated pipe, 53, jet plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor are within the protection scope of the utility model. It should be explained that, in the non-conflict situation, the embodiment in the application and the feature in the embodiment can be combined each other randomly.

[0024] Please refer to Figs. 1 to 4 A multi-stage quick-adjusting vibration exciter includes double shaft motor 2 and eccentric wheel assembly 4, and the two eccentric wheel assemblies 4 are arranged on the output shafts on the two sides of the double shaft motor 2, and the amplitude of the vibration exciter can be adjusted by changing the angle between the two eccentric wheel assemblies 4, so that different production requirements can be met.

[0025] The eccentric wheel assembly 4 includes connecting shaft 41, sliding frame 441 and eccentric wheel 42, the connecting shaft is used to connect the output shaft, the eccentric wheel 42 is rotatably sleeved on the connecting shaft 41, the angle of the eccentric wheel 42 can be changed by rotating the eccentric wheel 42, and then the angle between the eccentric wheels 42 on the two sides of the double shaft motor 2 can be adjusted.

[0026] The sliding frame 441 is annular and is sleeved on the connecting shaft 41, the connecting shaft 41 is provided with limit slot 411 extending along the axial direction, the sliding frame 441 is used to contact the limit block 443 arranged on the inner wall of the connecting shaft 41, the limit block 443 is inserted into the limit slot 411, and the sliding frame 441 can slide along the limit slot 411. In the embodiment, four limit blocks 443 are circumferentially and uniformly arranged on the inner wall of the sliding frame 441, and four limit slots 411 are circumferentially arranged on the outer wall of the connecting shaft 41, so that the connection stability between the sliding frame 441 and the connecting shaft 41 is improved.

[0027] Preferably, the width of the limiting groove 411 is the same as the width of the limiting block 443, so that when the limiting block 443 is located in the limiting groove 411, the outer walls on both sides of the limiting block 443 are attached to the inner walls on both sides of the limiting groove 411, the limiting groove 411 cooperates with the limiting block 443 to limit the circumferential direction of the sliding frame 441, and the sliding frame 441 can only move axially along the connecting shaft 41, avoiding the rotation of the sliding frame 441 around the connecting shaft 41, which causes inaccurate angle adjustment of the eccentric wheel 42.

[0028] The end of the connecting shaft 41 is provided with an end groove 412, which is an annular groove, and the inner part of the eccentric wheel 42 for sleeving the connecting shaft 41 is provided with an annular boss 421, which is inserted into the end groove 412. The width of the end groove 412 is the same as the width of the boss 421, so as to limit the axial movement of the eccentric wheel 42 and prevent the eccentric wheel 42 from being separated from the connecting shaft 41. The side end face of the sliding frame 441 towards the eccentric wheel 42 is provided with a positioning rod 442, and the side end face of the eccentric wheel 42 towards the sliding frame 441 is provided with a positioning groove, and the positioning rod 442 is inserted into the positioning groove to connect the eccentric wheel 42 and the sliding frame 441.

[0029] A plurality of positioning rods 442 are arranged around the central axis of the connecting shaft 41, and the eccentric wheel 42 can change its installation angle on the connecting shaft 41 by cooperating with different positioning rods 442. Preferably, the plurality of positioning rods 442 are uniformly spaced, so that the angle of rotation of the eccentric wheel 42 is the same every interval of a positioning rod 442, facilitating the calculation of the rotation angle of the eccentric wheel 42.

[0030] A plurality of screws are arranged on the outer circular surface of the sliding frame 441, and a plurality of screw holes are arranged on the connecting shaft 41 to cooperate with the screws. After the sliding frame 441 is connected to the eccentric wheel 42 through the positioning rod 442, the sliding frame 441 and the connecting shaft 41 are fixed by using the screws. The positions of the screw holes are

[0031] Specific installation method is to move the sliding frame 441 along the limiting groove 411, so that the positioning rod 442 on the sliding frame 441 is inserted into the positioning groove; since the sliding frame 441 is circumferentially positioned by the limiting groove 411, the sliding frame 441 cannot rotate around the connecting shaft 41, and after the positioning rod 442 is inserted into the positioning groove, manual support is not required. The eccentric wheel 42 is circumferentially limited by the positioning rod 442 and cannot rotate around the connecting shaft 41, and the angle of the eccentric wheel 42 is fixed, and then the sliding frame 441 is continuously moved to make the positioning rod 442 deeper into the positioning groove, and the bolt 444 is screwed to cooperate with the screw hole to fix the sliding frame 441 and the eccentric wheel 42.

[0032] Specific angle adjustment mode is, screw bolt 444 makes bolt 444 and screw hole separate, reverse movement slide frame 441 makes locating rod 442 separate from locating groove, rotate eccentric wheel 42 to adjust angle, then move slide frame 441, make locating rod 442 insert into locating groove again, screw bolt 444 fixes slide frame 441 and eccentric wheel 42, complete angle adjustment.

[0033] Using the eccentric wheel assembly 4, slide frame 441 and connecting shaft 41 between, rotate adjustment eccentric wheel 42 angle does not need two hands to operate simultaneously, convenient and fast operation, adjust accurate.

[0034] To ensure that locating rod 442 can completely separate from locating groove, separate from eccentric wheel 42, facilitate eccentric wheel 42 rotation, the length of limit groove 411 should be greater than the length of locating rod 442 and the thickness of slide frame 441.

[0035] Further, eccentric wheel 42 is provided with auxiliary wheel 45, auxiliary wheel 45 is detachably connected with eccentric wheel 42, to increase the excitation force generated by the exciter.

[0036] In order to improve the adjustment accuracy, the double shaft motor 2 is provided with the scale disc 3 on both sides, the scale disc 3 is fixedly arranged on the double shaft motor 2, coaxially arranged with the output shaft of the double shaft motor 2, the vernier 43 is designed on the eccentric wheel 42, the vernier 43 is used for indicating the scale disc 3, the angle of the eccentric wheel 42 can be directly read, the angle between the eccentric wheels 42 on both sides of the double shaft motor 2 is calculated, and the angle adjustment accuracy is improved.

[0037] Preferably, the slide frame 441 and the eccentric wheel 42 are symmetrically arranged in groups on both ends of the connecting shaft 41, and the output shaft of the double shaft motor 2 can be connected to any end, thereby facilitating installation.

[0038] Further, the double shaft motor 2 is arranged on the mounting seat 1, and the cooling member 5 is arranged below the double shaft motor 2, the cooling member 5 comprises a gas pump 51, a jet plate 53 and a bifurcated pipe 52, the gas pump 51 is fixedly arranged on the mounting seat 1, the jet plate 53 is arranged corresponding to the eccentric wheel assembly 4, and the jet holes of the two jet plates 53 face the eccentric wheel assembly 4, the gas pump 51 is connected to the two jet plates 53 through the bifurcated pipe 52, so as to cool the eccentric wheel assembly 4, prevent the continuous heat generated by friction during the rotation of the eccentric wheel 42, and affect the subsequent angle adjustment of the eccentric wheel 42.

[0039] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the present application, but not to limit it. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the present application.

Claims

1. A multi-stage fast-adjustable exciter, characterized in that, The system includes a dual-axis motor (2) and an eccentric wheel assembly (4); the eccentric wheel assembly (4) is disposed on the output shafts on both sides of the dual-axis motor (2); the eccentric wheel assembly (4) includes a connecting shaft (41) for connecting the output shaft, a sliding frame (441) disposed on the connecting shaft (41) and an eccentric wheel (42) movably sleeved on the connecting shaft (41); a positioning rod (442) is provided on the sliding frame (441), and a plurality of the positioning rods (442) are circumferentially spaced around the connecting shaft (41), and a positioning groove is provided on the eccentric wheel (42), and the positioning rod (442) is inserted into the positioning groove; a bolt (444) is provided on the sliding frame (441), and a screw hole is provided on the connecting shaft (41), and the sliding frame (441) is threadedly connected to the connecting shaft (41) by the bolt (444).

2. The multi-stage fast-adjustable exciter according to claim 1, characterized in that, A limiting groove (411) is provided on the connecting shaft (41), the limiting groove (411) extends along the length direction of the connecting shaft (41), and a limiting block (443) is provided on the sliding frame (441), the limiting block (443) is inserted into the limiting groove (411).

3. A multi-stage fast-adjustable exciter according to claim 2, characterized in that, The inner walls on both sides of the limiting groove (411) are in contact with the outer walls on both sides of the limiting block (443).

4. A multi-stage fast-adjustable exciter according to claim 2, characterized in that, The length of the limiting groove (411) is greater than the sum of the length of the positioning rod (442) and the thickness of the sliding frame (441).

5. A multi-stage fast-adjustable exciter according to claim 1, characterized in that, The connecting shaft (41) has an end groove (412) which is arranged around the outer wall of the connecting shaft. The eccentric wheel (42) is movably arranged in the end groove (412).

6. A multi-stage fast-adjustable exciter according to claim 1, characterized in that, A dial (3) is fixedly installed on the dual-axis motor (2), and the dial (3) is coaxially installed with the output shaft of the dual-axis motor (2). A vernier (43) is fixedly installed on the eccentric wheel (42).

7. A multi-stage fast-adjustable exciter according to claim 6, characterized in that, A detachable auxiliary wheel (45) is provided on the eccentric wheel (42).

8. A multi-stage fast-adjustable exciter according to claim 1, characterized in that, A cooling component (5) is provided below the dual-axis motor (2). The cooling component (5) includes a jet plate (53), an air pump (51), and a branch pipe (52). The two jet plates (53) are arranged toward the two eccentric wheel assemblies (4). The air pump (51) is connected to the two jet plates (53) through the branch pipe (52).