High-speed rocking shaft mechanism with adjustable stability

By introducing adjustable counterweights and eccentric components into the rocker shaft mechanism of the shaker, the instability problem of the shaker under load changes is solved, thereby improving the stability of the machine and increasing culture efficiency, making it suitable for the field of cell culture.

CN224015622UActive Publication Date: 2026-03-20SHANGHAI ZHICHU INSTR
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing rocking shaft mechanism of the shaking table is prone to imbalance when the load changes, resulting in poor overall stability of the machine. Existing methods using counterweights in fixed positions cannot effectively solve this problem.

Method used

An adjustable stability high-speed rocker mechanism was designed. By setting an adjustable counterweight component and an eccentric component in the rocker mechanism, the position adjustment of the adjustable counterweight is used to balance different loads. Combined with the oscillating motion of the rubber shock absorber and the eccentric component, the stability of the machine is improved.

Benefits of technology

By adjusting the position of the counterweight, different loads can be effectively balanced, improving the overall stability of the machine. The oscillating motion ensures that the culture medium is in full contact with oxygen, improving the uniformity of bacterial reproduction and culture efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224015622U_ABST
    Figure CN224015622U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of shaking tables, in particular to a high-speed rocking shaft mechanism with adjustable stability. The device comprises a motor, a fixing plate is arranged on a motor body, an eccentric assembly is arranged on the top of the transmission end of the motor, a bearing and placing device is arranged on the eccentric assembly, rubber damping seats are arranged at the four corners of the bottom of the bearing and placing device, and the ends, away from the bearing and placing device, of the rubber damping seats are connected with the fixing plate. An adjustable counterweight assembly is further arranged at the transmission end of the motor. The shaking table solves the problems that the shaking table in the prior art generally achieves the purpose of dynamic balance by installing an eccentric block, but the size and the installation position of a balancing weight are fixed, unbalance still occurs when loads on a rocking shaft plate are different, and the overall stability of the shaking table is poor.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to rocking bed technical field especially, relates to a kind of adjustable stability high-speed rocking shaft mechanism. BACKGROUND

[0002] In cell culture process, it is usually necessary to use a rocking bed, inoculate microbial cells in a liquid medium, and place it on the rocking bed for continuous oscillation culture. The oscillation can make the culture medium fully contact with oxygen, improve the supply of dissolved oxygen, and the bacteria propagated by oscillation culture are uniform, with high culture efficiency. It is widely used in strain screening and microbial propagation culture, and is a common culture method in the fields of microbial physiology, biochemistry, fermentation and other life science research.

[0003] The core component of the rocking bed is a rocking shaft mechanism with an eccentric shaft. When the rocking shaft mechanism with eccentricity rotates at high speed, the unbalanced force will cause the whole rocking shaft mechanism to shake violently, resulting in poor overall stability of the machine.

[0004] The existing rocking bed generally uses an eccentric block to achieve dynamic balance, but the size and installation position of the counterweight block are fixed. When the load on the rocking shaft plate is different, it will still be unbalanced, and the overall stability of the machine will be poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of adjustable stability high-speed rocking shaft mechanism, to solve the problem that the existing rocking bed in the background art generally uses an eccentric block to achieve dynamic balance, but the size and installation position of the counterweight block are fixed. When the load on the rocking shaft plate is different, it will still be unbalanced, and the overall stability of the machine will be poor.

[0006] To achieve the above purpose, the utility model provides the following technical scheme, which includes a motor, a fixed plate is provided on the motor body, an eccentric assembly is provided on the top of the motor transmission end, a load placing device is provided on the eccentric assembly, a rubber shock-absorbing seat is provided on the bottom of the load placing device, the rubber shock-absorbing seat is connected with the fixed plate at one end away from the load placing device, and an adjustable counterweight assembly is further provided on the motor transmission end.

[0007] As the utility model discloses, preferably, the adjustable counterweight assembly comprises a counterweight bottom plate, a fixed hole one is formed in the counterweight bottom plate, a pair of mounting columns are arranged in front of the fixed hole one, a pair of mounting holes one are formed in the front side of the mounting column, a sliding groove is formed in front of the mounting hole one, a pair of limiting grooves are symmetrically formed on the two sides of the sliding groove, a fixing seat is arranged on the mounting hole one through bolts, a rotating screw is threadedly arranged on the fixing seat, a fixed section is arranged at one end of the rotating screw, an outer hexagonal chuck is arranged at the top of the fixed section, spring retaining groove is formed in the rotating screw and the fixed section, and a spring is clamped in the spring retaining groove.

[0008] As the utility model discloses, preferably, the outer hexagonal chuck is detachably provided with an adjusting rod, and the adjusting rod is provided with a scale.

[0009] As the utility model discloses, preferably, the adjustable counterweight assembly further comprises a pair of counterweight blocks, a mounting hole two is formed in one end of the counterweight block, the mounting hole two is sleeved on the mounting column, a second guide sliding column is arranged at the bottom of the end of the counterweight block away from the mounting hole two, the second guide sliding column is slidably arranged in the limiting groove, a fixed hole two is formed in the side surface of the second guide sliding column, a spring is connected between the two fixed holes two, and the sliding block is tangent to the two counterweight blocks.

[0010] As the utility model discloses, preferably, the eccentric assembly comprises an eccentric shaft, the eccentric shaft is arranged at the top of the transmission end of the motor, a bearing is sleeved on the outer side of the eccentric shaft, a flange is sleeved on the outer side of the bearing, and the load placing device is fixed on the flange through bolts.

[0011] As the utility model discloses, preferably, the load placing device comprises a clamp plate, the clamp plate is fixed on the flange through bolts, a plurality of limiting columns are arranged on the clamp plate, and the limiting columns are clamped in a plurality of deep hole plates.

[0012] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0013] The utility model discloses a adjustable counterweight assembly can be set up, and the position of counterweight block can be adjusted to balance different loads, so that the overall stability of the machine is improved.

[0014] The utility model discloses an eccentric assembly can be set up, and the utility model can produce oscillation energy, so that the culture medium and oxygen are fully contacted, the bacterial body is uniform in reproduction, and the culture efficiency is high.

[0015] The utility model discloses a load placing device can be set up, and the required experimental product can be better placed on the utility model stably, and the experimental product is placed and turned over. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole front view structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole left view structure schematic diagram of the utility model;

[0018] Figure 3 It is the structure schematic diagram of the utility model after removing the load placing device;

[0019] Figure 4 It is the explosion display drawing of the utility model after removing the load placing device;

[0020] Figure 5 It is the weight bottom plate plan view of the utility model;

[0021] Figure 6 It is the weight bottom plate structure schematic diagram of the utility model;

[0022] Figure 7 It is the rotating screw structure schematic diagram of the utility model;

[0023] Figure 8 It is the side sectional view display drawing of the utility model after removing the load placing device;

[0024] Figure 9 It is the load placing device structure schematic diagram of the utility model.

[0025] Reference signs: motor 1, fixed plate 2, eccentric assembly 3, eccentric shaft 30, bearing 31, flange 32, rubber damping seat 4, adjustable counterweight assembly 5, weight bottom plate 50, mounting hole one 501, mounting column 502, sliding groove 503, limiting groove 504, fixed hole one 505, fixed seat 51, sliding block 52, first guide sliding column 53, weight block 54, mounting hole two 540, second guide sliding column 541, fixed hole two 542, rotating screw 55, fixed section 550, outer hexagonal chuck 551, clasp spring groove 552, spring 56, load placing device 6, clamp plate 60, limiting column 61, deep hole plate 62, adjusting rod 7, scale 70. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0027] As Figures 1-2As shown in the utility model discloses a kind of adjustable stability high-speed rocking shaft mechanism, it includes motor 1, fixed plate 2 is provided on the machine body of motor 1, the top of the transmission end of motor 1 is provided with eccentric assembly 3, load placing device 6 is provided on eccentric assembly 3, rubber shock-absorbing seat 4 is provided on the bottom four corners of load placing device 6, and one end of rubber shock-absorbing seat 4 away from load placing device 6 is connected with fixed plate 2, and still be provided with adjustable counterweight assembly 5 on the transmission end of motor 1.

[0028] As an optimization scheme of the utility model, by setting rubber shock-absorbing seat 4, rubber shock-absorbing seat 4 can be deformed under the action force of clamp plate 60, so that clamp plate 60 can make circular motion under the joint action of eccentric shaft 30 component and rubber shock-absorbing seat 4.

[0029] As shown in the utility model discloses a kind of adjustable stability high-speed rocking shaft mechanism, it includes motor 1, fixed plate 2 is provided on the machine body of motor 1, the top of the transmission end of motor 1 is provided with eccentric assembly 3, load placing device 6 is provided on eccentric assembly 3, rubber shock-absorbing seat 4 is provided on the bottom four corners of load placing device 6, and one end of rubber shock-absorbing seat 4 away from load placing device 6 is connected with fixed plate 2, and still be provided with adjustable counterweight assembly 5 on the transmission end of motor 1. Figures 3-7 As shown in the utility model discloses a kind of adjustable stability high-speed rocking shaft mechanism, it includes motor 1, fixed plate 2 is provided on the machine body of motor 1, the top of the transmission end of motor 1 is provided with eccentric assembly 3, load placing device 6 is provided on eccentric assembly 3, rubber shock-absorbing seat 4 is provided on the bottom four corners of load placing device 6, and one end of rubber shock-absorbing seat 4 away from load placing device 6 is connected with fixed plate 2, and still be provided with adjustable counterweight assembly 5 on the transmission end of motor 1.

[0030] As an optimization scheme of the utility model, by setting rubber shock-absorbing seat 4, rubber shock-absorbing seat 4 can be deformed under the action force of clamp plate 60, so that clamp plate 60 can make circular motion under the joint action of eccentric shaft 30 component and rubber shock-absorbing seat 4.

[0031] As shown in the utility model discloses a kind of adjustable stability high-speed rocking shaft mechanism, it includes motor 1, fixed plate 2 is provided on the machine body of motor 1, the top of the transmission end of motor 1 is provided with eccentric assembly 3, load placing device 6 is provided on eccentric assembly 3, rubber shock-absorbing seat 4 is provided on the bottom four corners of load placing device 6, and one end of rubber shock-absorbing seat 4 away from load placing device 6 is connected with fixed plate 2, and still be provided with adjustable counterweight assembly 5 on the transmission end of motor 1. Figure 8 As shown in the utility model discloses a kind of adjustable stability high-speed rocking shaft mechanism, it includes motor 1, fixed plate 2 is provided on the machine body of motor 1, the top of the transmission end of motor 1 is provided with eccentric assembly 3, load placing device 6 is provided on eccentric assembly 3, rubber shock-absorbing seat 4 is provided on the bottom four corners of load placing device 6, and one end of rubber shock-absorbing seat 4 away from load placing device 6 is connected with fixed plate 2, and still be provided with adjustable counterweight assembly 5 on the transmission end of motor 1.

[0032] As the optimization scheme of the utility model, through setting eccentric assembly 3, can make the utility model can produce oscillation energy, thereby reach make culture medium and oxygen contact fully, make the uniformity of bacterial body propagation, the culture efficiency is high.

[0033] As Figure 9 As shown in load placing device 6, clamp plate 60 is fixed on flange 32 through bolt, a plurality of limiting posts 61 are arranged on clamp plate 60, and a plurality of deep hole plates 62 are clamped between limiting posts 61.

[0034] As the optimization scheme of the utility model, through setting load placing device 6, can better place the required experimental product stably on the utility model, place the rollover.

[0035] In use, first, the experimental product is placed into the deep hole plate 62, and the motor 1 is started, the motor 1 rotates and drives the eccentric shaft 30 assembly to move, and the rubber damping seat 4 is deformed under the action force of the clamp plate 60, since the bearing 31 is installed in the eccentric assembly 3, the clamp plate 60 can do the circular motion under the joint action of the eccentric shaft 30 assembly and the rubber damping seat 4, the threaded hole is processed on the fixed seat 51, the threaded section of the rotating screw 55 is fixed in the threaded hole, the rotating screw 55 can be controlled to go in or out by forward or reverse rotation, the sliding block 52 is fixed through the shaft shoulder on the rotating screw 55 and the snap spring, and the rotating screw 55 can rotate freely. The first guide slide 53 is processed on the bottom of the sliding block 52, the first guide slide 53 is installed in the sliding block 52 limiting groove 504 of the counterweight bottom plate 50 and is fixed through the snap spring. When the rotating screw 55 is rotated, the sliding block 52 moves forward and backward under the action of the limiting groove 504, the counterweight block 54 is symmetrically installed on both sides of the sliding block 52 and is tangent to the sliding block 52, the counterweight block 54 is installed in cooperation with the mounting column 502 and the limiting groove 504 on the counterweight bottom plate 50, so that the counterweight block 54 can rotate around the mounting column 502 within a certain range. The spring 56 is installed between the counterweight blocks 54 and is fixed on the second guide slide 541 fixed hole two 542, the counterweight block 54 is always tangent to the sliding block 52 under the action of the spring 56. The adjusting rod 7 can rotate the rotating screw 55 through the outer hexagonal head 551 at the tail of the rotating screw 55, when the sliding block 52 moves forward and backward under the driving of the rotating screw 55, since the counterweight block 54 is tangent to the sliding block 52, the included angle α between the symmetrically installed counterweight blocks 54 changes, at this time, the overall gravity center of the counterweight assembly changes, and the balance effect is achieved, and the scale 70 on the adjusting rod 7 is indicated. The user can move the sliding block 52 to the position corresponding to the load through the adjusting rod 7 to ensure dynamic balance according to the load quantity of the clamp plate 60.

[0036] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An adjustable stability high-speed rocker mechanism, comprising a motor (1), characterized in that: A fixing plate (2) is provided on the body of the motor (1), an eccentric component (3) is provided on the top of the transmission end of the motor (1), a load-bearing placement device (6) is provided on the eccentric component (3), a rubber shock-absorbing seat (4) is provided on the four corners of the bottom of the load-bearing placement device (6), and the end of the rubber shock-absorbing seat (4) away from the load-bearing placement device (6) is connected to the fixing plate (2). An adjustable counterweight component (5) is also provided on the transmission end of the motor (1). The adjustable counterweight assembly (5) includes a counterweight base plate (50), on which a fixing hole (505) is provided. A pair of mounting posts (502) are provided in front of the fixing hole (505). A pair of mounting holes (501) are provided in front of the mounting posts (502). A sliding groove (503) is provided in front of the mounting hole (501). A pair of limiting grooves (504) are symmetrically provided on both sides of the sliding groove (503). A fixing seat (51) is provided on the mounting hole (501) by bolts. A rotating screw (55) is provided with a threaded top. A fixed section (550) is provided at one end of the rotating screw (55). An external hexagonal chuck (551) is provided at the top of the fixed section (550). A retaining ring groove (552) is provided on both the rotating screw (55) and the fixed section (550). A retaining ring is provided in the retaining ring groove (552). A slider (52) is provided on the fixed section (550). A first guide slide post (53) is provided at the bottom of the slider (52). The first guide slide post (53) is slidably disposed in a slide groove (503).

2. The adjustable stability high-speed rocker mechanism according to claim 1, characterized in that: An adjusting rod (7) is detachably provided on the external hexagonal jack (551), and the adjusting rod (7) is provided with a scale (70).

3. The adjustable stability high-speed rocker mechanism according to claim 2, characterized in that: The adjustable counterweight assembly (5) further includes a pair of counterweight blocks (54). One end of each counterweight block (54) has a second mounting hole (540) which is fitted onto the mounting post (502). The bottom of the end of the counterweight block (54) away from the second mounting hole (540) is provided with a second guide slide post (541). The second guide slide post (541) is slidably disposed in the limiting groove (504). The side of the second guide slide post (541) has a second fixing hole (542). A spring (56) is connected between the two second fixing holes (542). The slider (52) is tangent to the two counterweight blocks (54).

4. The adjustable stability high-speed rocker mechanism according to claim 3, characterized in that: The eccentric assembly (3) includes an eccentric shaft (30), which is located at the top of the transmission end of the motor (1). A bearing (31) is sleeved on the outer side of the eccentric shaft (30), and a flange (32) is sleeved on the outer side of the bearing (31). The load-bearing placement device (6) is fixed to the flange (32) by bolts.

5. The adjustable stability high-speed rocker mechanism according to claim 4, characterized in that: The load-bearing placement device (6) includes a clamp plate (60), which is fixed to the flange (32) by bolts. Several limiting posts (61) are provided on the clamp plate (60), and the limiting posts (61) are locked between several deep hole plates (62).