CN206816748U

CN206816748U - Building vibration equipment vibration absorber

Info

Publication number: CN206816748U
Application number: CN201720692464.2U
Authority: CN
Inventors: 刘洪峰; 袁余民
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2017-06-13
Filing date: 2017-06-13
Publication date: 2017-12-29
Anticipated expiration: 2027-06-13

Abstract

The utility model discloses a kind of building vibration equipment vibration absorber, including seat board and shock absorber；Shock absorber includes seat cylinder and support member, and seat cylinder includes barrel and upper extension, and upper extension is stretched into support member；Shock absorber also includes support and is arranged in barrel and the first support spring of support member formation support is arranged on upper extension with support and forms the second support spring supported to the inner bottom part of support member；Shock absorber also includes the torsion damping mechanism being arranged in barrel, gangbar is formed with support member, the power intake transmission that gangbar is stretched into barrel with torsion damping mechanism from upper extension cooperatively forms screw slider mechanism for the up-down vibration of building vibration equipment to be converted into rotary motion；First support spring, the second support spring and torsion damping mechanism have higher integration and globality, and carry out damping vibration attenuation to the up-down vibration of building vibration equipment by the rotation vibration damping of torsion damping mechanism, substantially increase effectiveness in vibration suppression.

Description

Building vibration equipment vibration absorber

Technical field

Building vibration equipment vibration damping field is the utility model is related to, more particularly to a kind of building vibration equipment is filled with vibration damping Put.

Background technology

Ambient vibration is one of big public hazards of generally acknowledged seven；With the continuous expansion developed rapidly with city size of modern industry Greatly, city underground track traffic has become the important means for solving urban transportation, and it is in the ascendant to build trend in city underground While, the vibration and noise problem that subway circulation is triggered also gradually displays.In recent years, subway transport system in China's is fast Hail exhibition, because city underground runs through downtown, burden municipal transport main traffic task simultaneously, also to around along the line Architecture production, the safety of ancient building and the living environment of house have an impact.

The rotation such as water pump, blower fan, air-conditioning electromechanical equipment can operationally vibrate in building structure.Vibration equipment It is easy to travel to coupled building structure by Equipment Foundations and the pipeline being connected with equipment or cable etc., due to coagulation Soil structure or steel construction itself damping are small, and structure is to the decay very little of vibration, once the vibration of equipment is delivered to building structure, its Vibration can be propagated in structure very wide range.It can trigger room when vibration is delivered to noise-sensitive using space Wall, floor or smallpox panel vibration, so as to the radiated noise into room, building comfort is reduced, influences the work of user And rest.Vibration and noise control for vibratory equipment, track traffic and microvibration-preventing room can use damping technology.But adopt at present Oscillation damping method is typically to set vibration damping holder under concrete slab, be not easy to check after the completion of the construction of the type vibration damping holder and Safeguard.

Utility model content

In view of this, the utility model provides a kind of building vibration equipment vibration absorber, simple in construction, easy to use, With preferable noise reduction, vibration damping and the effect for preventing vibration from transmitting.

Building vibration equipment vibration absorber of the present utility model, including seat board and seat board is formed support and be used for vibration damping Shock absorber；

Shock absorber includes seat cylinder and support member, seat cylinder include barrel and with the integrally formed upper extension of barrel, branch Support member is sheath structure, and upper extension is stretched into support member；Shock absorber is also arranged in barrel and to support member including support Form the first support spring of support and support is arranged on extension and forms the second of support to the inner bottom part of support member Support spring；

Shock absorber also includes the torsion damping mechanism being arranged in barrel, is formed with gangbar in support member, joins The power intake transmission that lever is stretched into barrel with torsion damping mechanism from upper extension cooperatively forms screw slider mechanism For the up-down vibration of building vibration equipment to be converted into rotary motion, the second support spring overcoat gangbar is set.

Further, torsion damping mechanism includes the vibration damping chamber being formed in seat cylinder and can relatively rotate simultaneously axially both ends shape Mode into sealing is arranged on vibration damping intracavitary and forms the axle sleeve of the power intake of torsion damping mechanism；

Extend inside seat cylinder to vibration damping intracavitary and match somebody with somebody formed with the first auxiliary section and the second auxiliary section, the first auxiliary section and second Conjunction portion forms snug fit with the outside of axle sleeve and vibration damping chamber is divided into the first damping cavity and the second damping cavity jointly, and first Damping fluid is filled with damping cavity and the second damping cavity；

The first arc rotor block and the second arc rotor block, the first arc rotor position have radially been symmetrically formed on axle sleeve In in the first damping cavity and being divided into the first working chamber and the second working chamber, and the first arc rotor block and the first damping cavity Cavity wall between formed with connection the first working chamber and the second working chamber the first damp channel, the second arc rotor block be located at second Damping cavity is interior and is divided into the 3rd working chamber and the 4th working chamber, and the cavity wall of the second arc rotor block and the second damping cavity Between formed with connection the 3rd working chamber and the 4th working chamber the second damp channel.

Further, the upper end of upper extension is formed with the spring mounting groove for installing the second support spring.

Further, the engagement sleeves for coordinating with support member are formed on the bottom of installing plate, and support member is stretched into engagement sleeves and set Put, elastic support is provided between support member top and engagement sleeves.

Further, the top of the inner bottom part of engagement sleeves and support member forms circular conical surface and coordinated, and elastic support is by metal Layer and rubber layer are arranged at intervals the conical rubber sheath structure to be formed by layer.

The beneficial effects of the utility model：Building vibration equipment vibration absorber of the present utility model, it is present by setting Second support spring of the first support spring and inner side on the outside of the upper extension of cylinder forms floating support to support member jointly, While playing damping effect, the vibration from seat board can be greatly reduced to seat cylinder transmission, and simultaneously because gangbar and setting The power intake of torsion damping mechanism in present cylinder forms screw slider mechanism, when upper supporting piece experiences building vibration equipment Up-down vibration when, gangbar can be converted to the rotary motion of torsion damping mechanism by moving up and down, so as to pass through torsion damping The rotation vibration damping of mechanism carries out damping vibration attenuation to the up-down vibration of building vibration equipment, substantially increases effectiveness in vibration suppression；In addition, this Utility model is compact-sized, and the first support spring, the second support spring and torsion damping mechanism have higher integration and whole Body, and synergy can be complemented each other to form each other.

Brief description of the drawings

The utility model is further described with reference to the accompanying drawings and examples.

Fig. 1 is the utility model structure diagram；

Fig. 2 be in Fig. 1 A-A to structural representation.

Embodiment

Fig. 1 is the utility model structure diagram, and Fig. 2 is that A-A is to structural representation in Fig. 1, as shown in the figure：The present embodiment Building vibration equipment vibration absorber, including seat board 1 and to seat board 1 formed support and for vibration damping shock absorber；

Shock absorber includes seat cylinder and support member 2, seat cylinder include barrel 5 and with the integrally formed upper extension of barrel 5 6, support member 2 is sheath structure, and upper extension 6 is stretched into support member 2；Shock absorber is also arranged in barrel 5 simultaneously including support The first support spring 3 and support that support is formed to support member 2 are arranged on upper extension 6 and to the inner bottom part shape of support member 2 Into the second support spring 4 of support；As shown in figure 1, seat cylinder includes bottom end cover 7, lower shell and upper shell, upper shell top is formed The upper extension 6, bottom and the lower shell of upper shell are collectively forming barrel 5, and upper extension 6 stretches into support member from bottom to top Set in 2, the lower end of the first support spring 3 directly supports the lower outside for being fixed on upper shell, and the outside of support member 2 forms ring The heavy platform of shape, which is used to support with the upper end of the first support spring 3, to be coordinated, and the first support spring 3 is outer around annular heavy platform and upper extension 6 Set；

Shock absorber also includes the torsion damping mechanism being arranged in barrel 5, and gangbar 8 is formed with support member 2, The power intake transmission that gangbar 8 is stretched into barrel 5 with torsion damping mechanism from upper extension 6 cooperatively forms screw slider Mechanism is used to the up-down vibration of building vibration equipment being converted to rotary motion, and the overcoat gangbar 8 of the second support spring 4 is set； When the up-down vibration of building vibration equipment is transferred to support member 2 from seat board 1, gangbar 8 can be formed above and below be synchronized with the movement, and The power intake of gangbar 8 and torsion damping mechanism coordinates is converted to rotary motion by upper and lower linear motion, is turned round so as to drive Turn damper mechanism work and carry out torsion damping.

In the present embodiment, torsion damping mechanism includes the vibration damping chamber that is formed in seat cylinder and can relatively rotate and axial two The mode that end forms sealing is arranged on vibration damping intracavitary and forms the axle sleeve 9 of the power intake of torsion damping mechanism；Singly take one's seat cylinder For, vibration damping chamber is connected with the internal cavities of seat cylinder, when axle sleeve 9 is installed in seat cylinder, the axial both ends excircle of axle sleeve 9 Formed and sealed with the inner chamber of seat cylinder respectively by sealing ring, so that vibration damping chamber forms the cavity of a sealing；And axle sleeve 9 Axial both ends are coordinated by bearing and seat cylinder respectively；

Extend inside seat cylinder to vibration damping intracavitary formed with the first auxiliary section 10 and the second auxiliary section 11, the He of the first auxiliary section 10 Second auxiliary section 11 forms snug fit with the outside of axle sleeve 9 and vibration damping chamber is divided into the first damping cavity and the second resistance jointly Damping fluid is filled with Buddhist nun's chamber, the first damping cavity and the second damping cavity；

The first arc rotor block 12 and the second arc rotor block 13 are radially symmetrically formed on axle sleeve 9, the first arc turns Daughter 12 is located in the first damping cavity and is divided into the first working chamber 14 and the second working chamber 15, and the first arc rotor block Formed with the first damp channel 16 for connecting the first working chamber 14 and the second working chamber 15 between 12 and the cavity wall of the first damping cavity, Two arc rotor blocks 13 are located in the second damping cavity and are divided into the 3rd working chamber 17 and the 4th working chamber 18, and the second arc Formed with the second damping for connecting the 3rd working chamber 17 and the 4th working chamber 18 between shape rotor block 13 and the cavity wall of the second damping cavity Passage 19；As shown in figure 1, the first arc rotor block 12 and the second arc rotor block 13 are radially into corresponding damping along axle sleeve 9 Corresponding damping cavity is simultaneously divided into two by intracavitary, when axle sleeve 9 produces rotary motion, the first arc rotor block 12 and the second arc Rotor block 13 produces rotation in respective damping cavity, in the working chamber for oppressing the damping liquid phase opposite side in the working chamber of side Flowing, so as to form torsion damping effect.

In the present embodiment, the upper end of upper extension 6 is formed with the spring mounting groove 20 for installing the second support spring 4； The lower end of second support spring 4 falls directly into and installation is formed in spring mounting groove, simple in construction and compact.

In the present embodiment, the engagement sleeves 21 for coordinating with support member 2 are formed on the bottom of installing plate, and support member 2, which stretches into, matches somebody with somebody Set in trap 21, elastic support 22 is provided between the top of support member 2 and engagement sleeves；That is the inner bottom part of engagement sleeves and support The top of part 2 forms circular conical surface and coordinated, and elastic support 2 is that the cone formed is arranged at intervals by layer by metal level and rubber layer Rubber sheath structure；Vibration insulation and noise reduction effect is formed between support member 2 and installing plate, as illustrated, elastic support 2 is including upper Lower two layers of rubber layer and the metal level being arranged between rubber layer.

Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model Enclose, it all should cover among right of the present utility model.

Claims

A kind of 1. building vibration equipment vibration absorber, it is characterised in that：Including seat board and seat board is formed and supported and for subtracting The shock absorber to shake；

The shock absorber includes seat cylinder and support member, the seat cylinder include barrel and with the integrally formed upper extension of barrel Portion, the support member are sheath structure, and the upper extension is stretched into the support member；The shock absorber also includes support and set The first support spring of support is formed in barrel and to support member and support is arranged on extension and to support member Inner bottom part forms the second support spring of support；

The shock absorber also includes the torsion damping mechanism being arranged in barrel, and linkage is formed with the support member Bar, the power intake transmission that the gangbar is stretched into barrel with torsion damping mechanism from upper extension cooperatively form leading screw Slide block mechanism is used to the up-down vibration of building vibration equipment being converted to rotary motion, the second support spring overcoat gangbar Set.
2. building vibration equipment vibration absorber according to claim 1, it is characterised in that：The torsion damping mechanism bag Include the vibration damping chamber being formed in seat cylinder and be arranged on vibration damping intracavitary simultaneously in a manner of it can relatively rotate and axially both ends form sealing Form the axle sleeve of the power intake of torsion damping mechanism；

Extend inside the seat cylinder to vibration damping intracavitary formed with the first auxiliary section and the second auxiliary section, first auxiliary section and institute The second auxiliary section is stated to form snug fit with the outside of axle sleeve and vibration damping chamber is divided into the first damping cavity and the second resistance jointly Damping fluid is filled with Buddhist nun's chamber, first damping cavity and second damping cavity；

The first arc rotor block and the second arc rotor block, the first arc rotor position have radially been symmetrically formed on the axle sleeve In in the first damping cavity and being divided into the first working chamber and the second working chamber, and the first arc rotor block and the first damping cavity Cavity wall between the first damp channel formed with the first working chamber of connection and the second working chamber, the second arc rotor block is located at In second damping cavity and it is divided into the 3rd working chamber and the 4th working chamber, and the second arc rotor block and the second damping cavity The second damp channel formed with the 3rd working chamber of connection and the 4th working chamber between cavity wall.
3. building vibration equipment vibration absorber according to claim 2, it is characterised in that：The upper end of the upper extension Formed with the spring mounting groove for installing the second support spring.
4. building vibration equipment vibration absorber according to claim 3, it is characterised in that：The bottom shape of the installing plate Into the engagement sleeves for coordinating with support member, the support member is stretched into the engagement sleeves and set, and the support member top is with matching somebody with somebody Elastic support is provided between trap.
5. building vibration equipment vibration absorber according to claim 4, it is characterised in that：The inner bottom part of the engagement sleeves Circular conical surface is formed with the top of support member to coordinate, the elastic support is formed to be arranged at intervals by layer by metal level and rubber layer Conical rubber sheath structure.