CN111306247B - Annular shock absorber - Google Patents

Annular shock absorber Download PDF

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Publication number
CN111306247B
CN111306247B CN202010141103.5A CN202010141103A CN111306247B CN 111306247 B CN111306247 B CN 111306247B CN 202010141103 A CN202010141103 A CN 202010141103A CN 111306247 B CN111306247 B CN 111306247B
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China
Prior art keywords
annular
resistor
eccentric
mounting seat
eccentric ring
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CN111306247A (en
Inventor
王世传
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Klex Bearing Beijing Co Ltd
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Klex Bearing Beijing Co Ltd
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Priority to CN202010141103.5A priority Critical patent/CN111306247B/en
Publication of CN111306247A publication Critical patent/CN111306247A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/124—Elastomeric springs
    • F16F15/126—Elastomeric springs consisting of at least one annular element surrounding the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Vibration Prevention Devices (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The present invention provides an annular shock absorber, comprising: the eccentric ring is of an elastic structure. The invention has small and simple volume, low cost and convenient installation, can change the impact and the direction of force due to the arrangement of the eccentric angle, has large buffering acting force, plays a good role in shock absorption, can greatly protect a shaft and a bearing and avoids fracture and local damage caused by heavy impact; the strong vibrations that the reducible causes because of the impact protect and make equipment (contain the equipment of bearing, axle and damping ring) whole, prevent not hard up precision failure, extension equipment life, and reduce the noise pollution because of the impact causes by a wide margin.

Description

Annular shock absorber
Technical Field
The invention relates to the technical field of damping devices, in particular to an annular damper.
Background
At present, a damping device is widely applied to various occasions, for example, the damping device is applied to the occasions of connecting a bearing and a shaft, the damping is usually carried out through a damping ring, and the existing damping ring is usually a simple circular ring and has the defect of poor damping effect.
Disclosure of Invention
The present invention provides an annular shock absorber to solve the above technical problems.
An annular shock absorber, comprising: the eccentric ring is of an elastic structure.
Preferably, the eccentric angle of the eccentric ring is designed according to the bone angle of the bouncing animal.
Preferably, the eccentric ring is sleeved outside the shaft, the shaft is rotatably connected with the bearing, and the eccentric ring is arranged inside the bearing inner ring or at one end of the bearing.
Preferably, the eccentric ring is connected with the bearing through a positioning pin.
Preferably, the method further comprises the following steps:
the first annular mounting seat is sleeved on the outer side of the eccentric circular ring, and the shape of the first annular mounting seat is matched with that of the eccentric circular ring;
the first annular mounting seats are circumferentially arranged on the inner wall of the first annular mounting seat at intervals;
the pressure sensors are correspondingly arranged in the first mounting cavities one by one;
the vibration sensor is arranged on the outer side of the first annular mounting seat;
the microcontroller is arranged on the outer side of the first annular mounting seat and is electrically connected with the power supply, the vibration sensor and each pressure sensor;
the microcontroller is wirelessly connected with a monitoring terminal, the monitoring terminal comprises a display screen, and the monitoring terminal is also electrically connected with a first alarm;
the microcontroller stores identity information of the pressure sensor and identity information of the vibration sensor, the identity information of the pressure sensor comprises serial number information of the pressure sensor and position information of the pressure sensor on the first annular mounting seat, and the identity information of the vibration sensor comprises serial number information of the vibration sensor;
the vibration sensor collects vibration information of the first annular mounting seat and transmits the vibration information to the microcontroller, the pressure sensor collects pressure information and transmits the pressure information to the microcontroller, and the microcontroller transmits the vibration information, the pressure information, the identity information of the vibration sensor and the identity information of the pressure sensor to the monitoring terminal.
Preferably, the detection circuit further comprises a detection and protection circuit, wherein the detection and protection circuit comprises:
the anode of the second diode is connected with a power supply end of the controller, and the cathode of the second diode is connected with a second voltage source;
one end of the first capacitor is connected with a power supply end of the controller, and the other end of the first capacitor is grounded;
the first end of the eleventh resistor is connected with the power supply end of the controller;
one end of the fourth resistor is connected with the power supply, and the other end of the fourth resistor is connected with the second end of the eleventh resistor;
the negative electrode of the first diode is connected with the second end of the eleventh resistor, and the positive electrode of the first diode is grounded;
the first end of the first resistor is connected with a power supply end of the vibration sensor;
one end of the second capacitor is connected with a power supply end of the vibration sensor, and the other end of the second capacitor is grounded;
the base electrode of the first triode is connected with the second end of the first resistor, and the emitting electrode of the first triode is grounded;
one end of the second resistor is connected with the second end of the first resistor, and the other end of the second resistor is grounded;
the grid electrode of the field effect transistor is connected with the collector electrode of the first triode, and the drain electrode of the field effect transistor is grounded;
one end of the fifth resistor is connected with the first voltage source, and the other end of the fifth resistor is connected with the collector electrode of the first triode;
one end of the second alarm is connected with a source electrode of the field effect transistor;
the second diode is a switching triode, the base electrode of the second diode is connected with the first voltage source, the emitting electrode of the second diode is grounded, and the collector electrode of the second diode is connected with the other end of the second alarm;
the vibration sensor is connected with the controller through a processing circuit, the processing circuit comprises:
one end of the third resistor is connected with the output end of the vibration sensor;
the positive input end of the comparator is connected with the other end of the third resistor;
one end of the third capacitor is connected with the positive input end of the comparator, and the other end of the third capacitor is grounded;
one end of the sixth resistor is connected with the negative input end of the comparator, and the other end of the sixth resistor is grounded;
one end of the seventh resistor is connected with the negative input end of the comparator, and the other end of the seventh resistor is connected with the output end of the comparator;
a ninth resistor, the first end of which is connected with the output end of the comparator;
one end of the eighth resistor is connected with the second end of the ninth resistor, and the other end of the eighth resistor is connected with the controller;
and one end of the tenth resistor is connected with the second end of the ninth resistor, and the other end of the tenth resistor is connected with the controller.
Preferably, a connecting portion extends in the circumferential direction of one end of the eccentric ring, and the connecting portion is detachably connected with the first annular mounting seat.
Preferably, the eccentric ring includes:
the inner side of the outer eccentric ring is provided with a plurality of second mounting cavities at intervals, and the outer side of the outer eccentric ring is provided with a plurality of first mounting grooves at intervals in the circumferential direction;
the damping springs are correspondingly arranged in the second mounting cavities one by one, and one ends of the damping springs are fixedly connected with the bottoms of the second mounting cavities;
the first damping balls are arranged in one-to-one correspondence with the damping springs, and the first damping balls are fixedly connected with the other ends of the damping springs;
the inner eccentric ring is connected to the inner side of the outer eccentric ring, a plurality of second mounting grooves are formed in the outer side of the inner eccentric ring at intervals in the circumferential direction, and the plurality of first damping balls are located in the plurality of second mounting grooves in a one-to-one correspondence mode;
the second damping balls are arranged on the inner wall of the inner eccentric circular ring along the circumferential direction of the inner eccentric circular ring;
one end of the second annular mounting seat is connected with one end of the bearing;
the plurality of threaded through holes are arranged at intervals along the circumferential direction of the second annular mounting seat, correspond to the plurality of first mounting grooves one by one, and extend along the radial direction of the second annular mounting seat;
the connecting bolts are connected in the threaded through holes in a one-to-one correspondence manner, and one ends of the connecting bolts, which are far away from the second annular mounting seat, extend into the first mounting groove inner ring;
the inner eccentric circular ring, the inner eccentric circular ring and the second annular mounting seat are coaxial.
Preferably, the eccentric ring is further connected with a protection device, and the protection devices are arranged at two ends of the eccentric ring;
the guard device includes:
the third mounting groove is arranged at one end of the second annular mounting seat;
the two annular sliding grooves are respectively arranged on two sides of the third mounting groove, and the shapes of the annular sliding grooves are matched with those of the second annular mounting seat;
the lower ends of the protection plates are fixedly connected with sliding blocks, and the sliding blocks are used for sliding in the annular sliding grooves;
the shape of a plurality of guard plates after adjacent assembling with the annular structure that the annular mount pad shape of second matches, the annular structure outer wall is located outside the annular mount pad outer wall, annular structure inner wall and the outer wall sealing contact of axle.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the eccentric ring of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of another embodiment of the eccentric ring of the present invention.
Fig. 6 is a schematic structural view of the protection device corresponding to fig. 5.
FIG. 7 is a circuit diagram of the present invention.
In the figure: 1. an eccentric ring; 11. an outer eccentric ring; 111. a first mounting groove; 112. a second mounting cavity; 12. an inner eccentric ring; 121. a second mounting groove; 13. a damping spring; 14. a first damping ball; 15. a second damping ball; 16. a second annular mount; 17. a threaded through hole; 18. a connecting bolt; 2. a bearing; 3. a shaft; 4. positioning pins; 5. a guard; 51. a third mounting groove; 52. an annular chute; 53. a protection plate; 531. a slider; r1, a first resistor; r2, a second resistor; r3, third resistor;
r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; r10, tenth resistor; r11, eleventh resistor; c1, a first capacitance; c2, a second capacitor; c3, a third capacitance; d1, a first diode; d2, a second diode; u1, a comparator; u2, field effect transistor; u3 and a second alarm; q1, the first triode; q2, the second triode; v1, a first voltage source; v2, second voltage source.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
An embodiment of the present invention provides an annular shock absorber, as shown in fig. 1 to 6, including: eccentric ring 1, eccentric ring 1 is elastic structure (if adopt the elastic material to make). The elastic structure can play a spring-like elastic shock absorption role. The eccentric ring has the advantages that the circle centers of the inner circle and the outer circle are eccentrically arranged, so that compared with the ring with the concentric outer circle and the inner circle, the eccentric ring is of a missing plane structure (namely, the position with the smaller thickness is of the missing plane structure), and the distance can be adjusted according to requirements to change the thickness of the missing plane. The eccentric angle can be as in fig. 2 a.
When the invention is applied to the matching of a bearing and a shaft, the eccentric ring 1 is sleeved outside the shaft 3, the shaft 3 is rotatably connected with the bearing 2, and the eccentric ring 1 is arranged at the inner side of the inner ring of the bearing 2 or at one end of the bearing 2.
The working principle and the beneficial effects of the technical scheme are as follows: the eccentric ring has the advantages that the circle centers of the inner circle and the outer circle are eccentrically arranged and are of an elastic structure (such as made of elastic materials), when the eccentric ring is sleeved with a component to be damped (such as a shaft), the eccentric angle of the eccentric ring can be changed according to the size and the direction of bearing force (the eccentric ring can be designed to have different eccentric angles according to the bearing force of the eccentric ring in an application occasion, and the eccentric angle can be automatically adjusted due to the elasticity in the using process);
the invention has small and simple volume, low cost and convenient installation, can change the impact and the direction of force due to the arrangement of the eccentric angle, has large buffering acting force, plays a good role in shock absorption, can greatly protect a shaft and a bearing and avoids fracture and local damage caused by heavy impact; the strong vibrations that the reducible causes because of the impact protect and make equipment (contain the equipment of bearing, axle and damping ring) whole, prevent not hard up precision failure, extension equipment life, and reduce the noise pollution because of the impact causes by a wide margin.
In one embodiment, the eccentric angle of the eccentric ring 1 is designed according to the bone angle of the bouncing animal. Preferably, the setting can be carried out according to the bone angle of the strong-bounce animal.
The beneficial effects of the above technical scheme are: above-mentioned technical scheme has the effectual advantage of shock attenuation.
In one embodiment, as shown in fig. 1, the eccentric ring 1 is connected to the bearing 2 by a positioning pin 4.
The beneficial effects of the above technical scheme are: above-mentioned technical scheme has the convenient advantage of connecting.
In one embodiment, further comprising:
the first annular mounting seat is sleeved outside the eccentric ring 1, and the shape of the first annular mounting seat is matched with that of the eccentric ring 1;
the first annular mounting seats are circumferentially arranged on the inner wall of the first annular mounting seat at intervals;
the pressure sensors are correspondingly arranged in the first mounting cavities one by one;
the vibration sensor is arranged on the outer side of the first annular mounting seat;
the microcontroller is arranged on the outer side of the first annular mounting seat and is electrically connected with the power supply, the vibration sensor and each pressure sensor; the power supply can be an external power supply, such as the power supply of the applied equipment;
the microcontroller is wirelessly connected with a monitoring terminal, the monitoring terminal comprises a display screen, and the monitoring terminal is also electrically connected with a first alarm;
the microcontroller stores identity information of the pressure sensor and identity information of the vibration sensor, the identity information of the pressure sensor comprises serial number information of the pressure sensor and position information of the pressure sensor on the first annular mounting seat, and the identity information of the vibration sensor comprises serial number information of the vibration sensor;
the vibration sensor collects vibration information of the first annular mounting seat and transmits the vibration information to the microcontroller, the pressure sensor collects pressure information and transmits the pressure information to the microcontroller, and the microcontroller transmits the vibration information, the pressure information, the identity information of the vibration sensor and the identity information of the pressure sensor to the monitoring terminal. The working time and time interval of the pressure sensor and the vibration sensor can be set according to requirements.
The working principle and the beneficial effects of the technical scheme are as follows: the pressure sensor is arranged for detecting the pressure information of the eccentric ring on the position of the pressure sensor and transmitting the pressure information to the microcontroller; a vibration sensor is arranged and used for detecting vibration information of the first annular mounting seat and transmitting the vibration information to the microcontroller;
the microcontroller stores identity information of the pressure sensor and identity information of the vibration sensor, the identity information of the pressure sensor comprises serial number information of the pressure sensor and position information of the pressure sensor on the first annular mounting seat, and the identity information of the vibration sensor comprises serial number information of the vibration sensor; the microcontroller transmits the vibration information, the pressure information, the identity information of the vibration sensor and the identity information of the pressure sensor to the monitoring terminal, and the monitoring terminal displays the vibration information, the pressure information, the identity information of the vibration sensor and the identity information of the pressure sensor through a display screen;
the monitoring terminal is provided with a vibration standard value, when the vibration value (vibration frequency) corresponding to the vibration information is larger than the vibration standard value, the monitoring terminal gives an alarm through a first alarm to prompt a user to overhaul the equipment or replace an eccentric ring, and the monitoring terminal displays the identity information of the vibration sensor, so that the user can quickly confirm the defective damping ring in a plurality of damping rings used by the equipment;
the monitoring terminal displays the pressure information and the identity information of the pressure sensors through the display screen, the monitoring terminal can draw pressure information curve graphs corresponding to different pressure sensors, the position information of the corresponding first annular mounting seat of the pressure sensors can be confirmed according to the identity information of the pressure sensors, the pressure information curve graphs are combined, the stress information can be judged through the monitoring terminal, eccentric rings with different eccentric angles and different inner and outer diameters can be conveniently set according to the stress information, and therefore the design of a proper eccentric ring is facilitated, and the shock absorption requirement of a specific application occasion is met.
In one embodiment, as shown in fig. 7, the apparatus further includes a detection and protection circuit, the detection and protection circuit includes:
the anode of the second diode D2 is connected with the power supply end of the controller, and the cathode of the second diode D2 is connected with a second voltage source V2;
a first capacitor C1, one end of which is connected with the power supply end of the controller and the other end of which is grounded;
an eleventh resistor R11 having a first terminal connected to a power supply terminal of the controller;
a fourth resistor R4, one end of which is connected with the power supply and the other end is connected with the second end of the eleventh resistor R11;
the cathode of the first diode D1 is connected with the second end of the eleventh resistor R11, and the anode of the first diode D1 is grounded;
a first resistor R1, the first end of which is connected with the power supply end of the vibration sensor;
one end of the second capacitor C2 is connected with the power supply end of the vibration sensor, and the other end of the second capacitor C2 is grounded;
a base electrode of the first triode Q1 is connected with the second end of the first resistor R1, and an emitting electrode of the first triode Q1 is grounded;
one end of the second resistor R2 is connected with the second end of the first resistor R1, and the other end is grounded;
the grid electrode of the field effect transistor U2 is connected with the collector electrode of the first triode Q1, and the drain electrode of the field effect transistor U2 is grounded;
one end of the fifth resistor R5 is connected with the first voltage source V1, and the other end is connected with the collector electrode of the first triode Q1;
one end of the second alarm U3 is connected with the source electrode of the field effect transistor U2;
the second diode D2 is a switching triode, the base electrode of the second diode D2 is connected with the first voltage source V1, the emitting electrode of the second diode D8932 is grounded, and the collector electrode of the second diode D2 is connected with the other end of the second alarm U3;
the vibration sensor is connected with the controller through a processing circuit, the processing circuit comprises:
one end of the third resistor R3 is connected with the output end of the vibration sensor;
a positive input end of the comparator U1 is connected with the other end of the third resistor R3;
one end of the third capacitor R4 is connected with the positive input end of the comparator U1, and the other end is grounded;
one end of the sixth resistor R6 is connected with the negative input end of the comparator U1, and the other end of the sixth resistor R6 is grounded;
one end of the seventh resistor R7 is connected with the negative input end of the comparator U1, and the other end of the seventh resistor R7 is connected with the output end of the comparator U1;
a ninth resistor R9, the first end of which is connected with the output end of the comparator U1;
one end of the eighth resistor R8 is connected with the second end of the ninth resistor R9, and the other end of the eighth resistor R8 is connected with the controller;
one end of the tenth resistor R10 is connected to the second end of the ninth resistor R9, and the other end is connected to the controller.
The working principle and the beneficial effects of the technical scheme are as follows: the design of U2, U3, Q1 and Q2 in the detection and protection circuit can detect the voltage of the power supply end of the vibration sensor so as to detect the working state of the vibration sensor, and alarm is given through U2 in time when the vibration sensor works abnormally; d1 is used for overcurrent protection, and D2, R11, R4 and C1 are used for overvoltage protection, and the controller is guaranteed to work reliably. Among the above-mentioned processing circuit, job stabilization can amplify and can filter the signal, gets rid of the interference, guarantees the accurate reliable transmission of signal.
The combination of the technical scheme can ensure the reliable work of the invention and ensure the shock absorption.
In one embodiment, a connecting portion extends from one end of the eccentric ring 1 in the circumferential direction, and the connecting portion is detachably connected with the first annular mounting seat, such as through clamping.
The working principle and the beneficial effect of the technical scheme are as follows; connecting portion have still been extended to 1 one end circumference of eccentric ring, connecting portion with first cyclic annular mount pad can be dismantled and be connected, is convenient for install and change eccentric ring.
In one embodiment, as shown in fig. 5 to 6, the eccentric ring 1 includes:
the inner side of the outer eccentric ring 111 is provided with a plurality of second mounting cavities 112 at intervals, and the outer side of the outer eccentric ring 111 is provided with a plurality of first mounting grooves 111 at intervals in the circumferential direction;
the damping springs 13 are correspondingly arranged in the second mounting cavities one by one, and one ends of the damping springs 13 are fixedly connected with the bottoms of the second mounting cavities 112;
the first damping balls 14 are arranged in one-to-one correspondence with the damping springs 13, and the first damping balls 14 are fixedly connected with the other ends of the damping springs 13;
the inner eccentric ring 121 is connected to the inner side of the outer eccentric ring 111, a plurality of second mounting grooves 121 are circumferentially arranged at intervals on the outer side of the inner eccentric ring 121, and the plurality of first damping balls 14 are correspondingly positioned in the plurality of second mounting grooves 121 one by one;
a plurality of second damping balls 15 arranged on the inner wall of the inner eccentric ring 121 along the circumferential direction of the inner eccentric ring 121; preferably, the second damping ball is not arranged according to the application.
A second annular mounting seat 16, wherein one end of the second annular mounting seat 16 is connected with one end of the bearing 2;
the plurality of threaded through holes 17 are arranged at intervals along the circumferential direction of the second annular mounting seat, the plurality of threaded through holes 17 correspond to the plurality of first mounting grooves 111 one by one, and the threaded through holes 17 extend along the radial direction of the second annular mounting seat 16;
the connecting bolts 18 are connected in the threaded through holes 17 in a one-to-one correspondence manner, and one ends of the connecting bolts 18, which are far away from the second annular mounting seat, extend into the inner ring of the first mounting groove 111; when the eccentric ring is installed on the bearing inner ring, a mounting groove can be formed in the bearing inner ring, and the eccentric ring is placed in the mounting groove after the position of the connecting bolt is adjusted.
The inner and outer circular lines of the outer eccentric circular ring 111, the inner eccentric circular ring 121 and the second annular mounting seat 16 are coaxial.
The working principle and the beneficial effect of the technical scheme are as follows; by arranging the outer eccentric ring and the inner eccentric ring, when the impact force is small, the inner eccentric ring is used for damping, and the damping effect of the inner eccentric ring can be improved by the design of the second damping ball; when the impact force is large, the shock is absorbed through the combination of the outer eccentric ring and the inner eccentric ring, the second mounting cavity is a buffer cavity, and the shock absorption effect can be further improved through the movement of the first shock absorption ball and the shock absorption spring in the buffer cavity and the second mounting groove; the position of the outer eccentric ring can be adjusted through the action of the threaded through hole and the connecting bolt, the eccentric angle of the inner eccentric ring is finely adjusted, the adjustment is convenient as required, the adjustment is convenient, different use requirements are met, and the damping effect of the damping device is ensured.
In one embodiment, the eccentric ring 1 is further connected with a protection device 5, and the protection device 5 is arranged at both ends of the eccentric ring 1;
the guard 5 comprises:
a third mounting recess 51 provided at one end of the second annular mounting seat 16;
the two annular sliding grooves 52 are respectively arranged at two sides of the third mounting groove 51, and the shape of each annular sliding groove 52 is matched with that of the second annular mounting seat 16;
the lower end of the protection plate 53 is fixedly connected with a sliding block 531, and the sliding block 531 is used for sliding in the annular sliding groove 52;
the shape of a plurality of guard plates 53 after adjacent assembling with the annular structure that the annular mount pad shape of second matches, the annular structure outer wall is located outside the annular mount pad outer wall, the annular structure inner wall and 3 outer wall sealing contact of axle.
The working principle and the beneficial effects of the technical scheme are as follows: when the invention is stored according to the application occasion requirements of the invention, a protective device can be arranged; in the protection device, when the protection device is installed, the slide block is placed in the third installation groove and then slides along the annular sliding groove to install the protection plates, the shape of the adjacent and assembled plurality of protection plates 53 is of an annular structure matched with the shape of the second annular installation seat, the outer wall of the annular structure is positioned outside the outer wall of the annular installation seat, and the inner wall of the annular structure is in sealing contact with the outer wall of the shaft 3, so that the protection effect (such as dust prevention, corrosion prevention, oil prevention and the like) can be achieved on the whole eccentric circular ring, the service life of the protection device is prolonged, and the reliable shock absorption of the protection device is guaranteed.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. An annular shock absorber, comprising: the eccentric ring (1), the eccentric ring (1) is an elastic structure;
the eccentric ring (1) is sleeved on the outer side of the shaft (3), the shaft (3) is rotatably connected with the bearing (2), and the eccentric ring (1) is arranged on the inner side of the inner ring of the bearing (2) or one end of the bearing (2);
the eccentric ring (1) comprises:
the outer eccentric ring (11), a plurality of second mounting cavities (112) are arranged on the inner side of the outer eccentric ring (11) at intervals, and a plurality of first mounting grooves (111) are arranged on the outer side of the outer eccentric ring (11) at intervals in the circumferential direction;
the shock absorption springs (13) are arranged in the second installation cavities (112) in a one-to-one correspondence mode, and one ends of the shock absorption springs (13) are fixedly connected with the bottoms of the second installation cavities (112);
the first damping balls (14) are arranged in one-to-one correspondence with the damping springs (13), and the first damping balls (14) are fixedly connected with the other ends of the damping springs (13);
the inner eccentric ring (12) is connected to the inner side of the outer eccentric ring (11), a plurality of second mounting grooves (121) are formed in the outer side of the inner eccentric ring (12) at intervals in the circumferential direction, and the first damping balls (14) are located in the second mounting grooves (121) in a one-to-one correspondence mode;
the second damping balls (15) are arranged on the inner wall of the inner eccentric circular ring (12) along the circumferential direction of the inner eccentric circular ring (12);
one end of the second annular mounting seat (16) is connected with one end of the bearing (2);
the plurality of threaded through holes (17) are arranged at intervals along the circumferential direction of the second annular mounting seat, the plurality of threaded through holes (17) correspond to the plurality of first mounting grooves (111) one by one, and the threaded through holes (17) extend along the radial direction of the second annular mounting seat (16);
the connecting bolts (18) are connected in the threaded through holes (17) in a one-to-one correspondence manner, and one ends, far away from the second annular mounting seat (16), of the connecting bolts (18) extend into the inner ring of the first mounting groove (111);
the inner and outer circular center lines of the outer eccentric circular ring (11), the inner eccentric circular ring (12) and the second annular mounting seat (16) are coaxial (3);
the eccentric ring (1) is also connected with a protective device (5), and the protective device (5) is arranged at each of two ends of the eccentric ring (1);
the guard (5) comprises:
a third mounting groove (51) provided at one end of the second annular mounting seat (16);
the two annular sliding grooves (52) are respectively arranged at two sides of the third mounting groove (51), and the shapes of the annular sliding grooves (52) are matched with those of the second annular mounting seat (16);
the lower end of the protection plate (53) is fixedly connected with a sliding block (531), and the sliding block (531) is used for sliding in the annular sliding groove (52);
the shape of a plurality of guard plates (53) after adjacent assembling with the annular structure that the annular mount pad shape of second matches, the annular structure outer wall is located outside the annular mount pad outer wall, the annular structure inner wall and axle (3) outer wall sealing contact.
2. The annular shock absorber according to claim 1,
the eccentric angle of the eccentric ring (1) is designed according to the bone angle of the bouncing animal.
3. The annular shock absorber according to claim 1,
the eccentric ring (1) is connected with the bearing (2) through a positioning pin (4).
4. The annular shock absorber according to claim 1, further comprising:
the first annular mounting seat is sleeved on the outer side of the eccentric circular ring (1), and the shape of the first annular mounting seat is matched with that of the eccentric circular ring (1);
the first annular mounting seats are circumferentially arranged on the inner wall of the first annular mounting seat at intervals;
the pressure sensors are correspondingly arranged in the first mounting cavities one by one;
the vibration sensor is arranged on the outer side of the first annular mounting seat;
the microcontroller is arranged on the outer side of the first annular mounting seat and is electrically connected with the power supply, the vibration sensor and each pressure sensor;
the microcontroller is wirelessly connected with a monitoring terminal, the monitoring terminal comprises a display screen, and the monitoring terminal is also electrically connected with a first alarm;
the microcontroller stores identity information of the pressure sensor and identity information of the vibration sensor, the identity information of the pressure sensor comprises serial number information of the pressure sensor and position information of the pressure sensor on the first annular mounting seat, and the identity information of the vibration sensor comprises serial number information of the vibration sensor;
the vibration sensor collects vibration information of the first annular mounting seat and transmits the vibration information to the microcontroller, the pressure sensor collects pressure information and transmits the pressure information to the microcontroller, and the microcontroller transmits the vibration information, the pressure information, the identity information of the vibration sensor and the identity information of the pressure sensor to the monitoring terminal.
5. The annular shock absorber according to claim 4,
still including detecting and protection circuit, it includes to detect and protection circuit:
a second diode (D2), the anode of which is connected with the power supply end of the controller, and the cathode of which is connected with a second voltage source (V2);
a first capacitor (C1), one end of which is connected with the power supply end of the controller and the other end of which is grounded;
an eleventh resistor (R11) having a first terminal connected to a power supply terminal of the controller;
a fourth resistor, one end of which is connected with the power supply and the other end of which is connected with the second end of the eleventh resistor (R11);
the cathode of the first diode (D1) is connected with the second end of the eleventh resistor (R11), and the anode of the first diode is grounded;
a first resistor (R1) having a first end connected to a power supply terminal of the vibration sensor;
a second capacitor (C2), one end of which is connected with the power supply end of the vibration sensor and the other end of which is grounded;
the base of the first triode (Q1) is connected with the second end of the first resistor (R1), and the emitter of the first triode is grounded;
a second resistor (R2), one end of which is connected with the second end of the first resistor (R1), and the other end of which is grounded;
the grid electrode of the field effect transistor (U2) is connected with the collector electrode of the first triode (Q1), and the drain electrode of the field effect transistor (U2) is grounded;
a fifth resistor (R5), one end of which is connected with the first voltage source (V1) and the other end of which is connected with the collector of the first triode (Q1);
a second alarm (U3), one end of which is connected with the source electrode of the field effect transistor (U2);
the second diode (D2) is a switching triode, the base electrode of the second diode is connected with the first voltage source (V1), the emitting electrode of the second diode is grounded, and the collecting electrode of the second diode is connected with the other end of the second alarm (U3);
the vibration sensor is connected with the controller through a processing circuit, the processing circuit comprises:
a third resistor (R3), one end of which is connected with the output end of the vibration sensor;
a comparator (U1), wherein the positive input end of the comparator is connected with the other end of the third resistor (R3);
a third capacitor (C3), one end of which is connected with the positive input end of the comparator (U1), and the other end of which is grounded;
a sixth resistor (R6), one end of which is connected with the negative input end of the comparator (U1), and the other end of which is grounded;
a seventh resistor (R7), one end of which is connected with the negative input end of the comparator (U1), and the other end of which is connected with the output end of the comparator (U1);
a ninth resistor (R9), the first end of which is connected with the output end of the comparator (U1);
an eighth resistor (R8), one end of which is connected with the second end of the ninth resistor (R9), and the other end of which is connected with the controller;
and one end of the tenth resistor (R10) is connected with the second end of the ninth resistor (R9), and the other end of the tenth resistor is connected with the controller.
6. The annular shock absorber according to claim 4,
connecting portion have still been extended to eccentric ring (1) one end circumference, connecting portion with first cyclic annular mount pad can dismantle the connection.
CN202010141103.5A 2020-03-04 2020-03-04 Annular shock absorber Active CN111306247B (en)

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Publication number Priority date Publication date Assignee Title
JP2013117270A (en) * 2011-12-05 2013-06-13 Jtekt Corp Damper device
CN206114304U (en) * 2016-09-29 2017-04-19 东风汽车有限公司 Universal jig for fixing torsional rigidity experiment vehicle body
JP2018132159A (en) * 2017-02-17 2018-08-23 株式会社エクセディ Torque fluctuation suppressing device, torque converter, and power transmission device
CN208602230U (en) * 2018-04-20 2019-03-15 重庆江达铝合金轮圈有限公司 Hub assembly and automobile
CN109723725B (en) * 2019-01-18 2020-12-15 新昌县恒利轴承有限公司 Bearing cover for preventing bearing lubricating oil from leaking
CN110242674A (en) * 2019-07-16 2019-09-17 柳州日高汽车减振技术有限责任公司 A kind of Novel transmission axle support structure
CN110410382A (en) * 2019-07-22 2019-11-05 徐州永佳液压设备有限公司 A kind of hydraulic cylinder with damping performance
CN110750060A (en) * 2019-10-08 2020-02-04 南京铭攀信息科技有限公司 Automatic monitoring and managing system for environmental quality

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