CN212723779U - Multifunctional micro-motion macro-control assembly and device - Google Patents
Multifunctional micro-motion macro-control assembly and device Download PDFInfo
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- CN212723779U CN212723779U CN202021416687.4U CN202021416687U CN212723779U CN 212723779 U CN212723779 U CN 212723779U CN 202021416687 U CN202021416687 U CN 202021416687U CN 212723779 U CN212723779 U CN 212723779U
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Abstract
The utility model provides a subassembly and device are controlled by grand accuse to multi-functional fine motion, including casing, multifunctional structure body, first elastomer, second elastomer and rolling element, be provided with the installation passageway in the casing, be provided with the toper space in the installation passageway, the one end in toper space is installed to first elastomer, the other end in toper space is installed to the second elastomer, the rolling element is installed in the toper space and is set up between first elastomer, second elastomer, multifunctional structure body can pass installation passageway and rolling element and multifunctional structure body contact, rolling element and multifunctional structure body can switch between locking state, intermediate state and loosening state, the utility model discloses an adopt the switching of multiple state between multi-functional structure body and the rolling element of control unit realization, through a small displacement, a, The micro force realizes the adjustment of a macroscopic motion state, and the structure is flexible and simple, the operation is simple and convenient, and the practicability is strong.
Description
Technical Field
The utility model relates to a mechanical connection's technical field specifically, relates to a subassembly and device are controlled by a grand accuse to multi-functional fine motion.
Background
Mechanical movements are the simplest and most basic movement patterns in nature. In physics, the position of an object relative to another object, or the position of some parts of an object relative to other parts, changes over time.
In the process of mechanical movement, the movement state is often required to be converted into the static state or the static state into the movement state to meet the requirement, so that the locking operation or the unlocking action is often required, but most of the prior art can realize locking or releasing, but the control of the intermediate state, namely the intermediate state of two opposite moving parts in which the two opposite moving parts are completely locked or completely released is difficult or impossible to realize, but in many mechanical movements, buffering, speed regulation or transition of the movement state is required to be carried out through the intermediate state, so that a device capable of realizing the intermediate state is required to be designed to realize the requirement of mechanical control.
Patent document CN108019172A discloses a hydraulic locking method and device for an inner cylinder of a rotary control nipple for ultra-deep water pressure-controlled drilling. The hydraulic locking device for the inner cylinder of the rotary control nipple comprises an inner cylinder of the rotary control nipple, an outer cylinder of the rotary control nipple, a locking mechanism, a drill rod and a lowering and recovering drill rod; the implementation method of the hydraulic locking of the inner cylinder of the rotary control short section is that a hydraulic system is used, a hydraulic piston rod is used for pushing a cylindrical pushing body to vertically move downwards, the movement of the cylindrical pushing body generates a transverse force on a swinging stop block, the swinging stop block swings by taking a hinged bolt as a shaft and drives a clamping locking block to enter a locking groove to realize locking, but the structure only can realize locking and unlocking and cannot realize adjustment of an intermediate state.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a subassembly and device are controlled by a macro to multi-functional fine motion.
According to the utility model provides a multi-functional fine motion macro-control subassembly, including casing, multi-functional structure, first elastomer, second elastomer, rolling element and support frame;
the shell is internally provided with an installation channel, and a conical space is arranged in the installation channel;
the first elastic body is arranged at one end of the conical space, the second elastic body is arranged at the other end of the conical space, and the rolling body is arranged in the conical space and is arranged between the first elastic body and the second elastic body;
the multifunctional structure body can penetrate through the installation channel, the rolling body is in contact with the multifunctional structure body, and the rolling body and the multifunctional structure body can be switched among a locking state, an intermediate state and a loosening state;
when external force is applied to the second elastic body along the direction close to the first elastic body, the rolling body moves close to the first elastic body under the thrust of the second elastic body, and at the moment, the multifunctional structural body and the rolling body are in a locking state and a loosening state through an intermediate state;
when the external force on the second elastic body is removed, the rolling body moves close to the second elastic body under the action of the resilience force of the first elastic body, and at the moment, the multifunctional structural body and the rolling body are in a locking state from a loosening state through an intermediate state;
the first elastic body, the second elastic body, the rolling body and the conical space form a control unit together;
the number of the control units is one or more;
when the number of the control units is multiple, the control units are sequentially arranged along the length direction of the multifunctional structure body;
the number of the rolling bodies is one or more;
when the number of the rolling bodies is a plurality, any one of the following arrangement modes is included:
-a plurality of said rolling bodies are arranged in succession along the length of the multifunctional structure and form a rolling body group, the number of said rolling body groups being one or more, said rolling body group being mounted on one side of the functional structure when the number of rolling body groups is one; when the number of the rolling element groups is plural, the plural rolling element groups are uniformly or non-uniformly arranged along the circumferential direction of the functional structural body;
-a plurality of said rolling bodies are arranged uniformly or non-uniformly along the circumference of the multifunctional structure;
the rolling body is installed on the support frame, and the first elastic body or the second elastic body can drive the rolling body to move by pushing the support frame.
Preferably, the multifunctional structure body adopts any one of a tubular structure, a sliding rail structure and a columnar structure or a combination of any multiple structures.
Preferably, the device also comprises a power device and a control device, wherein the power device comprises a first power mechanism and/or a second power mechanism,
the control device is respectively in signal connection with the first power mechanism and the second power mechanism;
the first power mechanism can apply external force to the first elastic body in the direction close to the rolling body, and the second power mechanism can apply external force to the second elastic body in the direction close to the rolling body;
the power device adopts any one of the following driving forms:
-a motor drive;
-a smart material drive;
-pneumatic or hydraulic drive;
-a magnetic drive;
-phase change material actuation.
Preferably, a first sensor is arranged on the first elastic body, and/or
And a second sensor is arranged on the second elastic body.
According to the utility model provides a device suitable for motion state buffering, adopt the multi-functional fine motion accuse subassembly that macroscopically, including first quality body and second sensor, the casing is installed on first quality body, controlling means and second sensor signal connection;
the control device is in signal connection with the second sensor;
when the first mass body and the shell move relative to the multifunctional structure body along the length direction of the multifunctional structure body, the first power mechanism and/or the second power mechanism can push the support frame to move, so that the movement speed of the first mass body is adjusted;
the second sensor adopts a contact sensor or a non-contact sensor, wherein the non-contact sensor adopts an optical wave sensor and/or an electromagnetic wave sensor.
According to the utility model provides a pair of device suitable for speed reduction butt joint adopts multi-functional fine motion accuse subassembly macro, installation passageway is provided with first horn mouth with external connection's one end, the multi-functional structure body can get into the inside of installation passageway and extend to the other end of installation passageway from the first horn mouth of installation passageway under ordering about of external force, and ordering about under external force the multi-functional structure body can be followed and extracted from the installation passageway, wherein in the relative motion in-process of multi-functional structure body and casing first power unit and/or second power unit can realize the friction motion of multi-functional structure body, press from both sides tightly or loosen.
According to the device suitable for vibration reduction provided by the utility model, the multifunctional micro-motion macro-control component comprises a second mass body, a third elastic body and a support carrier; the multifunctional structure body penetrates through the mounting channel and extends to the outside of two ends of the shell, the upper end of the multifunctional structure body is movably matched with the second mass body, and the lower end of the multifunctional structure body is movably matched with the supporting carrier;
one end of the shell is connected with the second mass body, the other end of the shell is connected with the support carrier through a third elastic body, and the third elastic body is sleeved on the multifunctional structural body.
According to the utility model provides a pair of device suitable for flat rotation gap that disappears adopts multi-functional fine motion accuse subassembly macroscopically, installation passageway is provided with the second horn mouth with external connection's one end, the other end that the multifunctional structure body can pass the installation passageway and extend to the installation passageway from the second horn mouth of installation passageway under ordering about of external force, wherein, the adjustment in clearance between multifunctional structure body and the rolling element is realized to first power unit and/or second power unit.
According to the utility model provides a pair of device suitable for crashproof safety buffering adopts multi-functional fine motion accuse subassembly by oneself, including vehicle chassis, vehicle chassis is last to install protector, multi-functional fine motion accuse subassembly by oneself is installed on vehicle chassis, wherein, multi-functional structure passes the outside that installation passageway and both ends extend to the casing, multi-functional structure's one end or both ends are connected with protector, and when protector received the striking of external force, protector can order about multi-functional structure and move in installation passageway and because thereby the impact that multi-functional structure and rolling element's frictional force made protector receive obtains the buffering.
Preferably, the number of the multifunctional micro-motion macro-control assemblies mounted on the automobile chassis is one or more, and when the number of the multifunctional micro-motion macro-control assemblies is more than one, the multifunctional micro-motion macro-control assemblies are arranged in an annular structure or a layered structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an adopt one or more the control unit to realize between the multifunctional structure body and the rolling element at locking state, the intermediate state, loosen the switching between the state, through a small displacement, small power has realized a macroscopicity, large-scale motion state, the connection status, direction steady state, impact energy consumption state, impact compression state, the vibration suppression state, the noise state, the translation, rotation problem state and position appearance holding state, and then because the small relative position relation change of degree of contact between multifunctional structure body and the rolling element, can the efficient realize the change of macroscopical relative position and motion relation between two relative motion bodies, and is easy and simple to handle, therefore, the clothes hanger is strong in practicability.
2. The utility model discloses only can realize the regulation to the multifunctional structure motion state through casing and the control unit of setting in the casing, and structural design is nimble, and the quantity of control unit can be according to actual demand rational design, simple structure, and is with low costs.
3. The utility model discloses a controlling means, power device and a plurality of sensor can realize accurate mechanical motion, realize the regulation of motion state, can be applied to multiple accurate machinery, and the range of application is extensive, has wide market prospect
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention with the large opening of the cone-shaped space facing inward;
FIG. 2 is a schematic structural view of the present invention when the large opening of the middle cone-shaped space faces outward;
FIG. 3 is a schematic structural view of the multifunctional structural body of the present invention with a conical space disposed on one side of the multifunctional structural body;
FIG. 4 is a schematic structural view of the present invention with a plurality of control units, and the large opening of the tapered space faces the same side;
FIG. 5 is a schematic structural view of the present invention with a plurality of control units, and the directions of the large openings of the tapered spaces are opposite;
fig. 6 is a schematic structural view of the present invention with a second power mechanism;
fig. 7 is a schematic structural view of the present invention when a first power mechanism and a second power mechanism are provided at the same time;
FIG. 8 is a schematic view of the movable housing and the fixed multifunctional structure of the present invention;
FIG. 9 is a schematic sectional view of a connecting structure of a rolling element and a multifunctional structural body;
FIG. 10 is a schematic structural view of an arc-shaped groove;
fig. 11 is a schematic structural view of the present invention with a support frame, a first sensor and a second sensor;
fig. 12 is a schematic structural diagram of a first embodiment of the present invention in which a control unit is provided;
fig. 13 is a schematic structural diagram of a first embodiment of the present invention in which a plurality of control units are provided;
FIG. 14 is a schematic structural diagram of a second sensor according to the first embodiment;
FIG. 15 is a schematic structural view of a multifunctional structural body according to a second embodiment;
FIG. 16 is a schematic structural view of the housing and the first bell mouth in the second embodiment;
FIG. 17 is a schematic view of the deceleration and docking processes of the multifunctional structural body of the second embodiment when entering the installation passage;
FIG. 18 is a schematic structural view of the third embodiment applied to vibration damping;
fig. 19 is a schematic structural view of a vibration damping module applied to a building beam in the third embodiment;
FIG. 20 is a schematic view showing the process of docking the multifunctional structural body with the housing into the installation passage according to the fourth embodiment, wherein the purpose of flat-turning backlash elimination can be achieved, so that the multifunctional structural body is more stable in the installation passage;
FIG. 21 is a schematic structural view of a protective device and a multifunctional structural body according to a fifth embodiment;
FIG. 22 is a schematic top view of the multifunctional micro-motion macro-control assembly of the fifth embodiment arranged in a rectangular ring structure in the chassis of the vehicle;
FIG. 23 is a schematic top view of the fifth embodiment of the multi-functional micro-motion macro-control assembly in an arrangement in the form of a rectangular ring in the chassis of the vehicle;
FIG. 24 is a schematic view of the multifunctional micromotion macro-control assembly of the fifth embodiment when the multifunctional micromotion macro-control assembly is arranged in a layered structure in an automobile chassis;
FIG. 25 is a schematic structural view of the fifth embodiment of the multi-functional micro-motion macro-control assembly in serial connection in a ring shape in the chassis of the vehicle;
FIG. 26 is a schematic structural diagram of the multifunctional micromotion macro-control assembly in the fifth embodiment, which is arranged in a circular ring shape in the chassis of the automobile;
FIG. 27 is a schematic structural diagram of the multifunctional micro-motion macro-control assembly of the fifth embodiment when the multifunctional micro-motion macro-control assembly is arranged in a triangular ring structure in the chassis of the automobile.
The figures show that:
Arc-shaped groove 10 of multifunctional structural body 2 and second mass body 18
First elastic body 3, support 11 and third elastic body 19
First power mechanism 7 contact sensor 15 protector 23
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The utility model provides a subassembly is controlled by grand accuse to multi-functional fine motion, as shown in fig. 1, fig. 2, fig. 3, including casing 1, multifunctional structure body 2, first elastomer 3, second elastomer 4 and rolling element 5, be provided with the installation passageway in the casing 1, be provided with toper space 6 in the installation passageway, the one end at toper space 6 is installed to first elastomer 3, the other end at toper space 6 is installed to second elastomer 4, rolling element 5 is installed in toper space 6 and is set up between first elastomer 3, second elastomer 4, in a preferred example, rolling element 5 adopts spherical steel ball, and in a change, rolling element 5 adopts cylindrical steel ball, and rolling element 5 still includes other can realize in addition the utility model discloses a rolling structure body.
Further, as shown in fig. 1, 2, and 3, the multifunction structure 2 can pass through the installation passage and the rolling element 5 is in contact with the multifunction structure 2, the rolling element 5 and the multifunction structure 2 can be switched between a locked state, an intermediate state, and an unlocked state, when an external force is applied to the second elastic body 4 in a direction to approach the first elastic body 3, the rolling element 5 moves closer to the first elastic body 3 by a thrust of the second elastic body 4, when the multifunction structure 2 and the rolling element 5 move from the locked state to the unlocked state through the intermediate state, and when the external force to the second elastic body 4 is removed, the rolling element 5 moves closer to the second elastic body 4 by a resilient force of the first elastic body 3, when the multifunction structure 2 and the rolling element 5 move from the unlocked state to the locked state through the intermediate state.
Specifically, the locking state in the present invention is a state in which the rolling element 5 tightly presses the multifunctional structural body 2, and the multifunctional structural body 2 cannot move relative to the housing 1 because of being tightly pressed by the rolling element 5; the utility model provides an intermediate state has frictional force and frictional force adjustable state for rolling element 5 and multifunctional structure body 2, thereby realizes the control that relative motion is difficult to the degree between multifunctional structure body 2 and the casing 1 through adjusting the clearance between rolling element 5 and the multifunctional structure body 2 and then adjusting the size of frictional force between rolling element 5 and the multifunctional structure body 2, the utility model provides a loosen the state and have the state in clearance for rolling element 5 and multifunctional structure body 2, can take place nimble relative motion between multifunctional structure body 2 and the casing 1.
It should be noted that, the switching between the locking state, the intermediate state and the release state of the present invention is a device for adjusting the friction force and further influencing the macroscopic motion of the device by the small movement of the rolling element 5.
Specifically, the first elastic body 3, the second elastic body 4, the rolling body 5 and the tapered space 6 together form one control unit, and the number of the control units is one or more, as shown in fig. 1, 4 and 5; when the number of the control units is plural, the plural control units are arranged in order in the direction of the length of the multifunction structure 2.
Specifically, in practical applications, the multifunctional structural body 2 can adopt various structural forms, such as a tubular structure for completing the task of fluid transportation, a sliding rail structure for example, which can realize more stable movement by adjusting the gap between the multifunctional structural body 2 and the rolling body 5, a columnar structure, such as a cylinder, a prism, etc., which can be used as a guide rod for object movement, and the like, and a combination of any of the above structures, wherein the structure of the installation channel is matched with the multifunctional structural body 2.
Further, as shown in fig. 9, which is a schematic cross-sectional view of a connection structure of the rolling element 5 and the multifunctional structure 2 when a circular steel ball is used, in a preferred example, as shown in fig. 10, an arc-shaped groove 10 is provided on the multifunctional structure 2, the arc-shaped groove 10 is arranged along the length direction of the multifunctional structure 2, one end of the rolling element 5 close to the multifunctional structure 2 is installed in the arc-shaped groove 10, and the arrangement of the arc-shaped groove 10 increases the pressing contact area of the rolling element 5 and the multifunctional structure 2.
Specifically, the switching between the locking state, the intermediate state and the releasing state in the present invention can be realized by either manual adjustment or by means of a power device, in a preferred example, as shown in fig. 6 and 7, the power device includes a first power mechanism 7 and/or a second power mechanism 8, the first power mechanism 7 can apply an external force to the first elastic body 3 in a direction close to the rolling body 5, the second power mechanism 8 can apply an external force to the second elastic body 4 in a direction close to the rolling body 5, wherein the power device can adopt various driving forms, such as a motor driving form, an air pressure or hydraulic driving form, a magnetic driving form, an electromagnetic or permanent magnetic structure form, and a phase change material, such as paraffin wax thermal expansion driving, and smart material drives, such as shape memory materials, piezoelectric materials, electrorheological fluids, magnetostrictive materials, etc., can all achieve the three states of the present invention.
Specifically, the number of the rolling bodies 5 is one or more, in practical applications, there are multiple installation arrangements of the rolling bodies 5, when the number of the rolling bodies is multiple, the multiple rolling bodies are sequentially arranged along the length direction of the multifunctional structural body 2 and form a rolling body group, the number of the rolling body group may be one, or may be designed to be multiple, and when the number of the rolling body group is one, the rolling body group is installed on one side of the functional structural body 2; when the number of the rolling element groups is plural, the plural rolling element groups are arranged uniformly or non-uniformly in the circumferential direction of the functional structural body 2;
further, when the number of the rolling elements is plural, it is also possible that the plural rolling elements are arranged uniformly or non-uniformly in the circumferential direction of the multifunction structure 2.
Specifically, as shown in fig. 11, the utility model discloses in still include support frame 11, rolling element 5 is installed on support frame 11, first elastomer 3 or second elastomer 4 can drive rolling element 5 through promoting support frame 11 and move, in a preferred example, be provided with first sensor 12 on the first elastomer 3, be provided with second sensor 13 on the second elastomer 4, wherein, first sensor 12, second sensor 13 are force sensor, can detect the atress condition at support frame 11 both ends respectively.
Further, when the first elastic body 3 or the second elastic body 4 is a spring, one or more force sensors may be disposed at any position on the structure that can sense the relative variation of the pushing force due to any position on the path of the spring force transmission, so as to detect the force.
Specifically, in a preferred embodiment, a thrust bearing 9 is disposed between the first elastic body 3 and the support frame 11, and the thrust bearing 9 is disposed to enable the relative movement between the multifunctional structural body 2 and the first elastic body 3 and the second elastic body 4 during the translation or rotation process to be more stable. In practical application, according to the actual situation of the device, the thrust bearing 9 may be disposed between the first elastic body 3 and the support frame 11, the thrust bearing 9 may be disposed between the second elastic body 4 and the support frame 11, or the thrust bearings 9 may be disposed between the first elastic body 3 and the support frame 11, or between the second elastic body 4 and the support frame 11, so as to meet the actual requirement.
The utility model provides a multi-functional fine motion is controlled subassembly macroscopically very extensively in practical application, can use among the multiple device, wherein the utility model discloses in still include controlling means, controlling means respectively with first power unit 7, 8 signal connection of second power unit, controlling means can be first power unit 7, 8 actions of second power unit respectively, accomplishes multiple functions, explains through five embodiments below.
The first embodiment is as follows:
a device suitable for buffering motion state, the embodiment takes the free falling motion of an object as an example to specifically explain the implementation process of the present invention, as shown in fig. 12-14, a device for buffering falling comprises a first mass body 14 and a second sensor, the housing 1 is installed on the first mass body 14, the control device is in signal connection with the second sensor, when the first mass body 14 and the housing 1 descend from a high position along the length direction of the multifunctional structural body 2 due to the action of gravity, the control device can further control the first power mechanism 7 and/or the second power mechanism 8 to push the support frame 11 to move according to the received speed information or acceleration information of the second sensor, thereby realizing the control of the descending speed of the first mass body 14; the second sensor is a contact sensor 15 or a non-contact sensor 16, wherein the non-contact sensor 16 comprises a microwave sensor. When the first mass body 14 and the shell 1 are lowered, the motion speed or the motion acceleration of the first mass body 14 can be obtained through the contact sensor 15 or the non-contact sensor 16, monitoring information is transmitted to the control device, the control device further sends a control command to control the first power mechanism 7 and/or the second power mechanism 8 so as to adjust the friction force between the rolling body 5 and the multifunctional structural body 2, accurate control is achieved, control of gradual speed reduction in the motion of the first mass body 14 is achieved, and the purpose of buffering is achieved.
In the embodiment, linkage control is realized based on detection of external motion, a control system is associated with monitoring of a controlled motion state and micro-motion in real time, and adjustment of the landing speed is realized by detecting the speed or acceleration of a certain point and adjusting the micro-motion adjusting distance in the free falling motion.
In particular, it has been shown in a set of specific simulations and experiments that the effect of so-called micro macro-control can reach controllable energy amplification ratios between 1:15000 and 1: 20000. I.e., the corresponding energy to the effect of controllable, suppressing or inverting the input 1 joule of energy is 15000-. In a specific experiment, the result of the experiment is that the motion energy of 4000 joules can be inhibited by using the energy of the driving steel ball of 0.23 joules, the steel ball pretension of 1mm per micromotion is measured in the experiment, the energy control of about 4000 joules is realized, and the micromotion macro-control effect is obvious.
As shown in fig. 8, in a variation of the first embodiment, the multifunctional structural body 2 is fixed, and the housing can move relative to the multifunctional structural body 2, so that the effect of micro-motion macro-control of the present invention can be achieved, and further, the adjustment of the motion state can be achieved.
Example two:
the utility model provides a device suitable for speed reduction butt joint, this embodiment is applicable to the scene that two relative motion's equipment realized kinetic energy buffering, motion buffering butt joint or free motion damping butt joint, as shown in fig. 15, 16, the one end of installing the passageway with external connection is provided with first horn mouth 17, multifunctional structure body 2 can pass the installation passageway and extend to the other end of installation passageway from the first horn mouth 17 of installation passageway under controlling means's control, and under controlling means's control multifunctional structure body 2 can be extracted from the installation passageway, wherein, controlling means can realize the clamp of multifunctional structure body 2 or unclamp through controlling first power unit 7 and/or second power unit 8. The embodiment is actually applied to automatic optimal damping regulation and control butt joint of two relatively moving objects, as shown in fig. 17, a first bell mouth 17 is arranged on a mounting channel, and can guide a multifunctional structural body 2 to smoothly enter the mounting channel and reach a specified position and then be controlled by a control device to enter a locking state, wherein in the butt joint process, the energy of relative motion between the multifunctional structural body 2 and a shell 1 can be controlled by the control device to enter a locking state through an adjustable intermediate state, namely a friction damping state, so that kinetic energy loss is generated, further, the relative motion kinetic energy of the two moving bodies is counteracted and butt joint is realized, after the butt joint is completed, the energy is controlled by the control device to enter a loosening state, the multifunctional structural body 2 is extracted from the mounting.
The utility model provides a device is except being applied to the speed reduction butt joint, still can be used to an anti-drop device, is applicable to two and is done the control that the equipment of keeping away from the motion relatively realizes the velocity of motion, the scene of anticreep is passed through the utility model provides a damping between two relative motion equipment is adjusted in the control of intermediate state and then realization, and then realizes the regulation of speed to the anti-drop's of equipment is realized to accessible locking state control.
Example three:
a device suitable for vibration damping, as shown in fig. 18 and 19, further includes a second mass body 18, a third elastic body 19, and a support carrier 20; the multifunctional structural body 2 penetrates through the installation channel and extends to the outer portions of two ends of the shell 1, the upper end of the multifunctional structural body 2 is movably matched with the second mass body 18, the lower end of the multifunctional structural body 2 is movably matched with the supporting carrier 20, one end of the shell 1 is connected with the second mass body 18, the other end of the shell 1 is connected with the supporting carrier 20 through the third elastic body 19, and the third elastic body 19 is sleeved on the multifunctional structural body 2.
In practical application, the damping upright post can be designed into a damping upright post with adjustable friction damping, and can play a role in damping and impact resistance when being embedded into a building beam structure or other rigid support connectors during installation.
This embodiment still can regard as the damping subassembly that has rotation vibration suppression or precision instruments vibration protection platform device to use, and the device of installing precision instruments can produce vibration, and other parts of coupling vibrate together even, through the utility model provides a device can be gone through frictional heat consumption with the vibration, becomes adjustable frictional damping's energy vibration suppression system, turns into the frictional heat with the kinetic energy of vibration, carries out self-adaptation adjustment according to the parameter of the range of vibration.
The damping device in the embodiment can also be used for preventing earthquake, realizing the impact resistance of products, for example, being designed into a building support beam or a foundation, and also being made into a platform. The assembly can be applied to a table top support to form a vibration damping platform.
Example four:
as shown in fig. 3, a device suitable for backlash elimination in horizontal rotation is shown in fig. 20, a second bell mouth 21 is arranged at one end of the installation channel connected with the outside, and the multifunctional structural body 2 can penetrate through the installation channel from the second bell mouth 21 of the installation channel and extend to the other end of the installation channel under the control of a control device, wherein the control device can realize the adjustment of the gap between the multifunctional structural body 2 and the rolling body 5 by controlling the first power mechanism 7 and/or the second power mechanism 8, so that the gap between the functional structural body 2 and the rolling body 5 can be adjusted to a proper gap, the movement is more stable, the movement gap is eliminated, and the device is suitable for the control of precise movement, for example, the movement of a precise sliding rail assembly.
Example five:
a device suitable for anti-collision safety buffering comprises an automobile chassis 22, wherein a protection device 23 is installed on the automobile chassis, a multifunctional micro macro control assembly is installed on the automobile chassis 22, wherein a multifunctional structural body 2 penetrates through an installation channel, two ends of the multifunctional structural body extend to the outside of a shell 1, one end or two ends of the multifunctional structural body 2 are connected with the protection device 23, when the protection device 23 is impacted by external force, the protection device 23 can drive the multifunctional structural body 2 to move in the installation channel, and the impact force received by the protection device 23 is buffered due to the friction force of the multifunctional structural body 2 and a rolling body 5.
Specifically, when the number of the multifunctional micro-motion macro-control assemblies mounted on the vehicle chassis 22 is multiple, the multiple multifunctional micro-motion macro-control assemblies are arranged in an annular structure or a layered structure, as shown in fig. 22 and 23, in a rectangular structure, as shown in fig. 24, in a layered structure, as shown in fig. 24, in a herringbone structure, as shown in fig. 26, in a circular structure, as shown in fig. 27, in an annular arrangement in a triangular structure.
Specifically, when the protecting device 23 in the chassis 22 of the vehicle is designed, a resetting device may be further added, where the resetting device includes a driving device, the multifunctional structural body 2 can be driven to move from the first position to the second position by the impact of the external force of the protecting device 23, and the multifunctional structural body 2 can be driven by the driving device to move from the second position to the first position again, the driving device may employ a spring, the spring is sleeved on the multifunctional structural body 2, one end of the spring is connected to the protecting device 23, and the other end of the spring is connected to the housing 1; the driving device can also be driven by other power such as a motor and the like, so that the reset of the multifunctional structural body 2 is realized.
The utility model discloses can be used for energy conversion control technique to realize the field, turn into controllable potential energy with kinetic energy, turn into controllable kinetic energy with potential energy, become thermal energy etc. with kinetic energy through this method realizable can regulate and control (friction) damping transformation. The method can be particularly used for realizing the accurate control of the acceleration, the speed and the collision stroke of the moving collision object, the vibration control of a building or a mechanism, the ground impact response control of free falling bodies and the like. The multifunctional structural body 2 and the rolling body 5 can be switched among a locking state, an intermediate state and a loosening state by changing or controlling a macro-scale and large-scale motion state, a connection state, a guiding stable state, an impact energy consumption state, an impact compression state, a vibration suppression state, a noise state, a translation motion state, a rotation problem state and a pose keeping state which can be related through the regulation and control of micro displacement, micro force and micro energy change (electric energy, magnetic energy, heat energy, potential energy and kinetic energy) or the precise regulation and control, wherein the intermediate state is the control of two relative motion parts in the intermediate state of complete locking or complete releasing, furthermore, due to the control of the tiny relative position relation of the contact degree between the two relative moving bodies, the high-efficiency control of the macroscopic relative position and motion relation or the energy transmission state and degree between the two relative moving bodies can be realized efficiently. The input of micro energy (motion, position, potential energy, electromagnetic energy and the like) generates huge energy inhibition or conversion; it is expressed in the state of micro-motion control large-scale and macro-motion or energy conversion.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The multifunctional micro-motion macro-control assembly is characterized by comprising a shell (1), a multifunctional structural body (2), a first elastic body (3), a second elastic body (4), a rolling body (5) and a support frame (11);
an installation channel is arranged in the shell (1), and a conical space (6) is arranged in the installation channel;
the first elastic body (3) is arranged at one end of the conical space (6), the second elastic body (4) is arranged at the other end of the conical space (6), and the rolling body (5) is arranged in the conical space (6) and arranged between the first elastic body (3) and the second elastic body (4);
the multifunctional structural body (2) can penetrate through the installation channel, the rolling body (5) is in contact with the multifunctional structural body (2), and the rolling body (5) and the multifunctional structural body (2) can be switched among a locking state, a middle state and a loosening state;
when external force is applied to the second elastic body (4) along the direction close to the first elastic body (3), the rolling body (5) moves close to the first elastic body (3) under the thrust of the second elastic body (4), and at the moment, the multifunctional structural body (2) and the rolling body (5) are in a locking state, an intermediate state and a loosening state;
when the external force on the second elastic body (4) is removed, the rolling body (5) moves close to the second elastic body (4) under the action of the resilience force of the first elastic body (3), and at the moment, the multifunctional structural body (2) and the rolling body (5) are in a locking state from a loosening state through an intermediate state;
the first elastic body (3), the second elastic body (4), the rolling body (5) and the conical space (6) jointly form a control unit;
the number of the control units is one or more;
when the number of the control units is multiple, the control units are sequentially arranged along the length direction of the multifunctional structural body (2);
the number of the rolling bodies (5) is one or more;
when the number of the rolling bodies is a plurality, any one of the following arrangement modes is included:
-a plurality of said rolling bodies are arranged one after the other in the direction of the length of the multifunctional structure (2) and form a rolling body group, the number of which is one or more, which is mounted on one side of the functional structure (2) when the number of rolling body groups is one; when the number of the rolling element groups is plural, the plural rolling element groups are uniformly or non-uniformly arranged in the circumferential direction of the functional structural body (2);
-a plurality of said rolling bodies are arranged uniformly or non-uniformly along the circumference of the multifunctional structure (2);
the rolling body (5) is installed on the support frame (11), and the first elastic body (3) or the second elastic body (4) can drive the rolling body (5) to move by pushing the support frame (11).
2. The multifunctional micromotion macro-control assembly according to claim 1, wherein the multifunctional structural body (2) adopts any one or a combination of any more of a tubular structure, a sliding rail structure and a columnar structure.
3. The multifunctional micromotion macro-control assembly according to claim 1, further comprising a power device and a control device, wherein the power device comprises a first power mechanism (7) and/or a second power mechanism (8),
the control device is respectively in signal connection with the first power mechanism (7) and the second power mechanism (8);
the first power mechanism (7) can apply external force to the first elastic body (3) in the direction close to the rolling body (5), and the second power mechanism (8) can apply external force to the second elastic body (4) in the direction close to the rolling body (5);
the power device adopts any one of the following driving forms:
-a motor drive;
-a smart material drive;
-pneumatic or hydraulic drive;
-a magnetic drive;
-phase change material actuation.
4. A multifunctional micromotion macro-control assembly according to claim 3, characterized in that said first elastomer (3) is provided with a first sensor (12) and/or
And a second sensor (13) is arranged on the second elastic body (4).
5. A device suitable for buffering motion states, which is characterized in that the multifunctional micromotion macro-control assembly as claimed in claim 4 is adopted, the device comprises a first mass body (14) and a second sensor, the shell (1) is installed on the first mass body (14), and the control device is in signal connection with the second sensor;
when the first mass body (14) and the shell (1) move relative to the multifunctional structural body (2) along the length direction of the multifunctional structural body (2), the first power mechanism (7) and/or the second power mechanism (8) can push the support frame (11) to move, so that the movement speed of the first mass body (14) can be adjusted;
the second sensor adopts a contact sensor (15) or a non-contact sensor (16), wherein the non-contact sensor (16) adopts a light wave sensor and/or an electromagnetic wave sensor.
6. A device suitable for deceleration butt joint is characterized in that the multifunctional micro-motion macro-control assembly in claim 4 is adopted, a first bell mouth (17) is arranged at one end, connected with the outside, of the installation channel, the multifunctional structural body (2) can enter the inside of the installation channel from the first bell mouth (17) of the installation channel and extend to the other end of the installation channel under the driving of external force, the multifunctional structural body (2) can be pulled out of the installation channel under the driving of the external force, and in the relative movement process of the multifunctional structural body (2) and the shell (1), the first power mechanism (7) and/or the second power mechanism (8) can realize friction movement, clamping or loosening of the multifunctional structural body (2).
7. A device suitable for damping vibrations, characterized in that it uses a multifunctional micromovement macro-control assembly as claimed in claim 4, comprising a second mass (18), a third elastomer (19) and a support carrier (20); the multifunctional structural body (2) penetrates through the installation channel and extends to the outside of two ends of the shell (1), the upper end of the multifunctional structural body (2) is movably matched with the second mass body (18), and the lower end of the multifunctional structural body (2) is movably matched with the supporting carrier (20);
one end of the shell (1) is connected with the second mass body (18), the other end of the shell (1) is connected with the support carrier (20) through the third elastic body (19), and the third elastic body (19) is sleeved on the multifunctional structural body (2).
8. A device suitable for translational backlash elimination is characterized in that the multifunctional micro macro-control assembly is adopted, a second bell mouth (21) is arranged at one end, connected with the outside, of the installation channel, the multifunctional structural body (2) can penetrate through the installation channel from the second bell mouth (21) of the installation channel under the driving of external force and extend to the other end of the installation channel, and the gap between the multifunctional structural body (2) and the rolling body (5) can be adjusted through the first power mechanism (7) and/or the second power mechanism (8).
9. A device suitable for collision-proof safety buffering is characterized in that the multifunctional micromotion macro-control assembly in claim 4 is adopted and comprises an automobile chassis (22), a protection device (23) is installed on the automobile chassis, the multifunctional micromotion macro-control assembly is installed on the automobile chassis (22), the multifunctional structural body (2) penetrates through an installation channel, two ends of the multifunctional structural body extend to the outside of the shell (1), one end or two ends of the multifunctional structural body (2) are connected with the protection device (23), when the protection device (23) is impacted by external force, the protection device (23) can drive the multifunctional structural body (2) to move in the installation channel, and the impact force on the protection device (23) is buffered due to the friction force between the multifunctional structural body (2) and the rolling body (5).
10. The device for the safe buffer against collision according to claim 9, characterized in that the number of the multifunctional micro macro control assemblies installed on the chassis (22) of the automobile is one or more, and when the number of the multifunctional micro macro control assemblies is multiple, the multiple multifunctional micro macro control assemblies are arranged in a ring structure or a layered structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021416687.4U CN212723779U (en) | 2020-07-17 | 2020-07-17 | Multifunctional micro-motion macro-control assembly and device |
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| CN202021416687.4U CN212723779U (en) | 2020-07-17 | 2020-07-17 | Multifunctional micro-motion macro-control assembly and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752333A (en) * | 2020-07-17 | 2020-10-09 | 上海交通大学 | Multifunctional micro-motion macro-control assembly and device |
| CN111752333B (en) * | 2020-07-17 | 2024-05-28 | 上海交通大学 | Multifunctional micro-motion macro-control assembly and device |
-
2020
- 2020-07-17 CN CN202021416687.4U patent/CN212723779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752333A (en) * | 2020-07-17 | 2020-10-09 | 上海交通大学 | Multifunctional micro-motion macro-control assembly and device |
| CN111752333B (en) * | 2020-07-17 | 2024-05-28 | 上海交通大学 | Multifunctional micro-motion macro-control assembly and device |
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