CN213981779U - Novel combined vibration damping mechanism - Google Patents
Novel combined vibration damping mechanism Download PDFInfo
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- CN213981779U CN213981779U CN202121378727.5U CN202121378727U CN213981779U CN 213981779 U CN213981779 U CN 213981779U CN 202121378727 U CN202121378727 U CN 202121378727U CN 213981779 U CN213981779 U CN 213981779U
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Abstract
The utility model discloses a novel combined damping mechanism, which comprises a fixed plate, fixed pins, external steel spiral compression springs and internal damping rubber columns, wherein 2-3 groups of fixed pins are uniformly arranged on horizontal central axes of two groups of fixed plates, corresponding internal damping rubber columns are arranged in the fixed pins, designated gaps are reserved between the upper ends of the internal damping rubber columns and the fixed plates, the fixed pins are connected with the corresponding external steel spiral compression springs in a clamping manner, and the axial stiffness (compression resistance parameter) of the external steel spiral compression springs and the axial stiffness (compression resistance parameter) of the internal damping rubber columns are mutually independent and can be mutually compounded and superposed; when the material processing amount of the equipment is within a rated range, only the external steel spiral compression spring is in a vibration reduction working state; once the device runs under overload, the compression amount of the vibration reduction mechanism is increased to offset the reserved gap, so that the device simultaneously participates in vibration reduction work, the screening device is protected together, and the service life of the device is greatly prolonged.
Description
Technical Field
The utility model relates to a shale shaker technical field specifically is a novel combination formula damping mechanism.
Background
Along with the rapid development of economy in China, the demand for ore mining is greater and greater, and the demand for ore screening machinery is greater and greater, and the screening machine has the characteristics of large material handling capacity, large change fluctuation of the material handling capacity and severe use working condition; the vibration damping mechanism, namely the vibration damping spring, is difficult to reasonably select, or the vibration damping spring is simply selected according to theoretical calculation, so that the vibration damping mechanism is not suitable for practical use, not only the service life of the vibration damping spring is shortened, but also the service life of the whole screen machine is shortened; damping springs commonly used in the current market are generally of three types: rubber springs, metal coil springs, composite rubber springs; but all of them can not solve the above problems well; the utility model discloses more comprehensive professional design that carries on conventional basis provides suitable damping mechanism for big handling capacity, the fluctuating big mining shale shaker of handling capacity change, not only can adapt to its abominable use operating mode, and screening equipment can also spend the resonance region fast when opening the shut down, makes equipment open and shut down steadily, very big extension the life of equipment.
The fact that the change fluctuation of the material handling capacity of the mining vibrating screen is large is objective, and as the whole vibrating part is in high-frequency reciprocating motion constantly in the working process of the vibrating screen, a vibration damping mechanism, namely a vibration damping spring, is required to buffer the inertia impact force of equipment in order to ensure the service life of the screening machine; the selection of the damping spring depends on the weight of the vibration participating part (including the weight of the vibration participating equipment and the weight of the processed materials); if the model selection stiffness (unit Kg/cm, namely the load mass required by the corresponding compression amount per centimeter) of the damping spring is smaller, the service life of the damping spring is short, and the damping spring is quickly subjected to fatigue fracture; on the contrary, the model selection stiffness of the damping spring is too large to effectively buffer the inertia impact force of the equipment, so that the service life of the whole equipment is damaged.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, unique design makes the axial stiffness (resistance to compression parameter) mutual independence of outside steel helical compression spring and inside damping rubber post, and transverse stiffness (resistance to bending parameter) each other compound stack, makes the utility model discloses have the adaptivity to participating in the weight of shaking at equipment during operation, and can steadily spend the resonance region when equipment opens the machine halt, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel combination formula damping mechanism, includes the fixed plate, the fixed pin, outside steel helical compression spring and inside damping rubber post, the fixed plate is two sets of from top to bottom altogether, evenly is equipped with 2-3 group's fixed pins on the horizontal axis of two sets of fixed plates, is equipped with corresponding inside damping rubber post in the fixed pin, and inside damping rubber post upper end and fixed plate reserve has the appointed clearance, and the fixed pin is connected with corresponding outside steel helical compression spring through the mode of joint.
Furthermore, the cross section of the fixing pin is of an L-shaped structure, the fixing pin is fixedly connected with the fixing plate through an embedded bolt, and the maximum outer diameter of the fixing pin is larger than that of the external steel spiral compression spring.
Furthermore, both ends of the external steel spiral compression spring are connected with the cross section of the L-shaped structure of the fixing pin, and a buffer gasket is arranged at the joint of the external steel spiral compression spring and the fixing pin.
Compared with the prior art, the beneficial effects of the utility model are that: according to the novel combined type vibration damping mechanism, the external steel spiral compression spring is connected with the fixed pin in a clamping mode, so that the rigidity of the external steel spiral compression spring can be selected according to the vibration participating weight of the rated processing material quantity of the equipment, and then the rigidity of the internal vibration damping rubber column is selected according to the vibration participating weight of the limited processing material quantity, the internal vibration damping rubber column is arranged in the fixed pin, but a specified gap is reserved between the initial installation position and the fixed plate at the top, and in this way, the axial rigidities (compression resistance parameters) of the internal vibration damping rubber column and the fixed plate are mutually independent; when the material processing amount of the equipment is within a rated range, only the external steel spiral compression spring is in a vibration reduction working state; once the equipment runs in an overload mode, the compression amount of the vibration reduction mechanism is increased to offset the reserved gap, so that the internal vibration reduction rubber column participates in vibration reduction work, and the screening equipment is protected together.
And the transverse rigidity (anti-bending parameter) of the external steel spiral compression spring and the internal vibration-damping rubber column are mutually compounded and superposed, so that the vibration-damping and noise-reducing effects of the equipment are good when the equipment is started and stopped, the equipment quickly passes through a resonance area, the equipment is stably started and stopped, and the service life of the equipment is greatly prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the present invention.
In the figure: 1 fixed plate, 2 fixed pins, 3 external steel spiral compression springs and 4 internal damping rubber columns.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a novel combined vibration damping mechanism comprises a fixed plate 1, fixed pins 2, external steel spiral compression springs 3 and internal vibration damping rubber columns 4, wherein the fixed plate 1 is divided into an upper group and a lower group, 2-3 groups of fixed pins 2 are uniformly arranged on the horizontal central axis of the two groups of fixed plates 1, corresponding internal vibration damping rubber columns 4 are arranged in the fixed pins 2, the fixed pins 2 are connected with the corresponding external steel spiral compression springs 3 in a clamping manner, so that the rigidity of the external steel spiral compression springs 3 can be selected according to the vibration participating weight of the rated processing material quantity of equipment, the rigidity of the internal vibration damping rubber columns 4 can be selected according to the vibration participating weight of the limited processing material quantity, the transverse rigidity (bending resistance parameter) of the external steel spiral compression springs 3 and the transverse rigidity (bending resistance parameter) of the internal vibration damping rubber columns 4 are mutually compounded and overlapped, and the vibration damping effect is good when the equipment is started and stopped, the device can rapidly cross a resonance area, the starting and the stopping of the device are stable, meanwhile, a specified gap is reserved between the upper end of the inner vibration reduction rubber column 4 and the fixing plate 1, thus, the axial stiffness (compression resistance parameter) of the outer steel spiral compression spring 3 and the axial stiffness (compression resistance parameter) of the inner vibration reduction rubber column 4 are mutually independent, when the material processing amount of the device is in a rated range, only the outer steel spiral compression spring 3 is in a vibration reduction working state, once the device runs in an overload state, the compression amount of a vibration reduction mechanism is increased to offset the reserved gap, so that the inner vibration reduction rubber 4 participates in vibration reduction work and protects screening equipment together, the section of the fixing pin 2 is of an L-shaped structure, the fixing pin 2 is fixedly connected with the fixing plate 1 through an embedded bolt, the maximum outer diameter of the fixing pin 2 is larger than the outer diameter of the outer steel spiral compression spring 3, and the two ends of the outer steel spiral compression spring 3 are connected with the L-shaped structure section of the fixing pin 2, and outside steel helical compression spring 3 is equipped with the cushion ring with the junction of fixed pin 2, can obviously improve the damping effect of shale shaker and the noise when effectual reduction outside steel helical compression spring 3 moves, when damping mechanism operating time overlength produces certain wearing and tearing to fixed pin 2, the embedded bolt of accessible maintains and changes, be connected through fixed pin 2 and outside steel helical compression spring 3 simultaneously, the direct contact of outside steel helical compression spring 3 with fixed plate 1 has been avoided, to the long-time user state in later stage only need change fixed pin 2 can, save cost and resource.
When in use: firstly, a fixing pin 2 is fixedly connected with a fixing plate 1 through a bolt, then an internal vibration reduction rubber column 4 is placed in the fixing pin 2, the upper end and the lower end of the external steel spiral compression spring 3 are connected with the fixing pin 2 in a clamping way, so that the rigidity of the external steel spiral compression spring 3 can be selected according to the vibration participating weight of the rated processing material quantity of the equipment, and the rigidity of the internal vibration reduction rubber column 4 can be selected according to the vibration participating weight of the limited processing material quantity, the transverse rigidity (bending resistance parameter) of the external steel spiral compression spring 3 and the internal vibration reduction rubber column 4 are mutually compounded and superposed, so that the vibration reduction and noise reduction effect of the equipment is good when the equipment is started and stopped, a resonance area is rapidly passed, the equipment is started and stopped stably, meanwhile, a specified gap is reserved between the upper end of the internal vibration reduction rubber column 4 and the fixing plate 1, therefore, the axial rigidity (compression resistance parameter) of the external steel spiral compression spring 3 and the internal vibration reduction rubber column 4 are mutually independent, when the material processing amount of the equipment is within a rated range, only the external steel spiral compression spring 3 is in a vibration reduction working state, once the equipment runs in an overload state, the compression amount of a vibration reduction mechanism is increased to offset a reserved gap, so that the internal vibration reduction rubber 4 participates in vibration reduction work, the screening equipment is protected together, the problem of impact injury to the equipment caused by large fluctuation of the processing amount can be well solved in the screening process, the starting and stopping stability is ensured, the problem of impact injury to the equipment caused by large fluctuation of the processing amount can be well solved in the screening process, the severe use condition of the equipment can be adapted, the screening equipment can quickly cross a resonance area when starting and stopping, the starting and stopping of the equipment are stable, and the service life of the equipment is greatly prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a novel combination formula damping mechanism, includes fixed plate (1), fixed pin (2), outside steel helical compression spring (3) and inside damping rubber post (4), its characterized in that: the fixed plate (1) is two sets of about totally, evenly is equipped with 2-3 group fixed pins (2) on two sets of fixed plate (1) horizontal axis, is equipped with corresponding inside damping rubber post (4) in fixed pin (2), and inside damping rubber post (4) upper end and fixed plate (1) reserve has the appointed clearance, and fixed pin (2) are connected with corresponding outside steel spiral compression spring (3) through the mode of joint.
2. A novel modular vibration reduction mechanism according to claim 1, wherein: the section of the fixing pin (2) is of an L-shaped structure, the fixing pin (2) is fixedly connected with the fixing plate (1) through an embedded bolt, and the maximum outer diameter of the fixing pin (2) is larger than that of the external steel spiral compression spring (3).
3. A novel modular vibration reduction mechanism according to claim 1, wherein: two ends of the external steel spiral compression spring (3) are connected with the L-shaped structural cross section of the fixing pin (2), and a buffer gasket is arranged at the joint of the external steel spiral compression spring (3) and the fixing pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378727.5U CN213981779U (en) | 2021-06-21 | 2021-06-21 | Novel combined vibration damping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378727.5U CN213981779U (en) | 2021-06-21 | 2021-06-21 | Novel combined vibration damping mechanism |
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| CN213981779U true CN213981779U (en) | 2021-08-17 |
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| CN202121378727.5U Active CN213981779U (en) | 2021-06-21 | 2021-06-21 | Novel combined vibration damping mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878108A (en) * | 2021-10-25 | 2022-01-04 | 惠州市诚顺鑫机械制造有限公司 | Safe and fast sand casting and shakeout integrated equipment |
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2021
- 2021-06-21 CN CN202121378727.5U patent/CN213981779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878108A (en) * | 2021-10-25 | 2022-01-04 | 惠州市诚顺鑫机械制造有限公司 | Safe and fast sand casting and shakeout integrated equipment |
| CN113878108B (en) * | 2021-10-25 | 2023-08-29 | 惠州市诚顺鑫机械制造有限公司 | Safe and rapid sand casting shakeout integrated equipment |
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