CN203145228U

CN203145228U - Rotary tubular damper

Info

Publication number: CN203145228U
Application number: CN 201220672252
Authority: CN
Inventors: 杨应华; 李勇
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2012-12-06
Filing date: 2012-12-06
Publication date: 2013-08-21
Anticipated expiration: 2022-12-06

Abstract

A rotary tubular damper belongs to the field of energy dissipation and vibration absorption of building structures, and comprises a circular energy-dissipation tube, wherein a plurality of long holes tilted relative to the axial direction of the circular tube are annularly formed in the tube wall of the circular energy-dissipation tube along the circular energy-dissipation tube, and annular parts where the long holes are formed form energy-dissipation sections of the circular energy-dissipation tube; an inner sleeve and/or an outer sleeve can be configured inside/outside the circular energy-dissipation tube; and meanwhile, as energy-dissipation material can be arranged between a rotating section of the circular energy-dissipation tube and the sleeves, when the circular energy-dissipation tube stretches or retracts, the material at the energy-dissipation sections yields, and relative deformation or motion is performed on the material between the circular energy-dissipation tube and the sleeves, so that energy can be consumed, and vibration of the structure connected with the circular energy-dissipation tube is further reduced. According to the utility model, defects that the motion conversion device (lead screw) of the conventional rotary barrel-type damper has a complex structure and does not consume energy are overcome, the energy-dissipation sections can enlarge axial displacement of the circular energy-dissipation tube, and can consume energy, and the rotary tubular damper is simple in structure.

Description

A kind of rotation cast damper

Technical field

The utility model relates to a kind of damper for the building structure energy-dissipating and shock-absorbing, relates in particular to a kind of rotation cast damper.

Background technology

The structure energy-dissipating and shock-absorbing is to add damper in building structure, consuming the seismic energy of input structure, thereby reduces the seismic response of structure.Damper also claims energy dissipator, comprises viscous damping device, lag return damper and frcition damper etc.Do not permitted to take place bigger stratified deformation because building structure is not generally filled, for the effectively energy dissipating effect of performance damper, often need amplifying device to amplify the stratified deformation of building structure.These amplifying devices comprise the support of toggle formula, scissors-type support etc.Especially, 1998 Japan Patent (publication number: the spy opens flat 10-184757) a kind of rotation cartridge type damper is disclosed, by leading screw the rectilinear motion that supports is converted into a kind of rotatablely moving, amplified the relative storey displacement of structure.But wherein not enough: the conversion of motion device does not consume energy; Conversion of motion device screw pair complex structure.

Summary of the invention

In order to overcome the deficiency of above-mentioned rotation cartridge type damper, the purpose of this utility model is to provide a kind of conversion of motion part can catabiotic rotation cast damper.

For achieving the above object, the technical solution adopted in the utility model is as follows:

A kind of rotation cast damper comprises power consumption pipe 1, offers a plurality of slotted holes 2 with respect to the pipe axioversion at its hoop of tube wall upper edge of power consumption pipe 1, and hoop position, slotted hole 2 place constitutes the power consumption section 12 of power consumption pipe 1.

Described slotted hole 2 is straight trough shape, 8 fonts or ellipse.

Described slotted hole 2 opening parts are handled through fillet.

On the same hoop of power consumption on the pipe 1, each slotted hole 2 move towards unanimity, spacing unanimity between the adjacent slotted hole 2.

Described slotted hole 2 has a circle at power consumption pipe 1, and a wherein end of power consumption pipe 1 is connected with ball bearing 5, is the rotational segment 13 of power consumption pipe 1 between slotted hole 2 and the ball bearing 5.

Described slotted hole 2 has two circles at the pipe 1 that consumes energy, and two circle slotted holes 2 are symmetry mutually, is the rotational segment 13 of power consumption pipe 1 between the two circle slotted holes 2.

The internal configurations inner sleeve 61 of described power consumption pipe 1 and/or exterior arrangement outer tube 62.

Be provided with bracing or strutting arrangement between described sleeve pipe 6 and the power consumption pipe 1.

Be provided with viscoelastic material or friction material between the rotational segment 13 of described power consumption pipe 1 and the sleeve pipe 6

Described power consumption pipe 1 is for surrendering the material of power consumption.

Compared with prior art, the utility model has the advantages that: because very big distortion can take place the power consumption section of power consumption pipe, and then surrenders, therefore can consume input energy wherein; Simple structure is convenient to make in batches simultaneously.

Description of drawings

Fig. 1 a is the shaft side figure of the utility model first embodiment.

Fig. 1 b is the top view of the utility model first embodiment.

Fig. 1 c is the A-A sectional drawing of Fig. 1 b.

Fig. 1 d is the B-B sectional drawing of Fig. 1 b.

Fig. 1 e is the C-C sectional drawing of Fig. 1 b.

Fig. 2 a is the shaft side figure of the utility model second embodiment.

Fig. 2 b is the top view of the utility model second embodiment.

Fig. 2 c is the A-A sectional drawing of Fig. 2 b.

Fig. 2 d is the B-B sectional drawing of Fig. 2 b.

Fig. 2 e is the C-C sectional drawing of Fig. 2 b.

Fig. 3 is the 3rd embodiment of the present utility model.

Fig. 4 is the 4th embodiment of the present utility model.

Fig. 5 is the 5th embodiment of the present utility model.

Fig. 6 a is the shaft side figure of the utility model the 6th embodiment.

Fig. 6 b is the top view of the utility model the 6th embodiment.

Fig. 6 c is the A-A sectional drawing of Fig. 6 b.

Fig. 6 d is the exploded view of the utility model the 6th embodiment.

Fig. 6 e is the exploded view of the utility model the 6th embodiment.

Fig. 6 f is the exploded view of the utility model the 6th embodiment.

Fig. 7 a is the shaft side figure of the utility model the 7th embodiment.

Fig. 7 b is the top view of the utility model the 7th embodiment.

Fig. 7 c is the A-A sectional drawing of Fig. 7 b.

Fig. 7 d is the exploded view of the utility model the 7th embodiment.

Fig. 8 a is the top view of the utility model the 8th embodiment.

Fig. 8 b is the A-A sectional drawing of Fig. 8 a.

Fig. 8 c is the exploded view of the utility model the 8th embodiment.

Fig. 9 a is the top view of the utility model the 9th embodiment.

Fig. 9 b is the A-A sectional drawing of Fig. 8 a.

The specific embodiment

A kind of rotation cast damper that the utility model proposes can be installed between the building structure frame, provides certain rigidity and energy dissipation capacity to building.

Below in conjunction with accompanying drawing the utility model is described in further details.

Fig. 1 a-Fig. 1 e is first embodiment of the present utility model, by power consumption pipe 1, the right connector 32 that the left joint 31 that power consumption pipe 1 one ends arrange and the other end arrange is formed, its hoop of tube wall upper edge of pipe 1 of wherein consuming energy offers a plurality of slotted holes 2 that tilt with respect to caliber, slotted hole 2 has two circles, symmetrical mutually, each circle position, place constitutes the power consumption section 12 of power consumption pipe 1, be the rotational segment 13 of power consumption pipe 1 between the two circle slotted holes 2, between the one circle slotted hole 2 and left joint 31 of left end, and between the circle slotted hole 2 and right connector 32 of right-hand member, be the linkage section 11 of power consumption pipe 1.

Wherein, the slotted hole 2 on the power consumption section 12 be straight slotted hole, and power consumption pipe 1 is that steel or other can be surrendered catabiotic metal; By left joint 31 and right connector 32 damper is connected between the building structure frame.

Because power consumption section 12 has been opened the slotted hole 2 that tilts, power consumption pipe 1 is under axial tension or compression, and rotational segment 13 can be rotated, 12 stretch bendings of power consumption section twisting strain of turning round or bend, power consumption section 12 material yields, and then the energy of consumption input structure, thus structural vibrations can be reduced.

Fig. 2 a-Fig. 2 e is second embodiment of the present utility model, formed by the left joint 31 of power consumption pipe 1, ball bearing 5, the setting of power consumption pipe 1 one ends and the right connector 32 that the other end arranges, wherein the outer ring of ball bearing 5 links to each other with left joint 31, and inner ring is connected with power consumption pipe 1; The right-hand member of power consumption pipe 1 is connected with right connector 32.Its hoop of tube wall upper edge of pipe 1 of wherein consuming energy offers a plurality of slotted holes 2 that tilt with respect to caliber, slotted hole 2 has a circle, its position, place constitutes the power consumption section 12 of power consumption pipe 1, being the rotational segment 13 of power consumption pipe 1 between slotted hole position, 2 place and the ball bearing 5, is the linkage section 11 of power consumption pipe 1 between slotted hole position, 2 place and the right connector 32.

This damper is when stretching or compress, and rotational segment 13 rotates, 12 distortion of power consumption section, and then surrender is consumed energy.

Fig. 3 is the 3rd embodiment of the present utility model, with the difference of first embodiment be that slotted hole 2 opening parts that tilt are handled through fillet.Fillet can reduce the stress of opening part and concentrate.

Fig. 4 is the 4th embodiment of the present utility model, with the difference of the 3rd embodiment be that the slotted hole that tilts is 8 fonts.

Fig. 5 is the 5th embodiment of the present utility model, with the difference of the 3rd embodiment be that the slotted hole that tilts is for oval.

Fig. 6 a-Fig. 6 f is the 6th embodiment of the present utility model, by power consumption pipe 1, be configured in power consumption pipe 1 outside outer tube 62, be configured in power consumption pipe 1 inside inner sleeve 61, be connected in the connector 3 at power consumption pipe 1 two ends, and be arranged between inner sleeve 61 and the power consumption pipe 1, outer tube 62 and the bracing or strutting arrangement composition that consumes energy between the pipe 1.

This bracing or strutting arrangement comprises: fixed support ring 71, rotatable support ring 72, fixed support block 731 and movable back-up block 732.Shown in Fig. 6 e, fixed support ring 71, fixed support block 732 are fixed on inner sleeve 61 or the outer tube 62, and rotatable support ring 72 is fixed on the power consumption pipe 1 with movable back-up block 732.

Inner sleeve 61 or outer tube 62 provide lateral support by this bracing or strutting arrangement for power consumption pipe 1, so that the axis of power consumption pipe 1 keeps straight line, the journal offset of the rotational segment 13 of the pipe 1 that prevents from consuming energy causes the degeneration of this damper performance; Rotatable support ring 72 support rings that are fixed in power consumption pipe 1 and the fixed support ring 71 that is fixed in inner sleeve 61 or outer tube 62 have limited the axially-movable of sleeve pipe.When the 1 two ends shortening of power consumption pipe or elongation, the rotational segment 13 of rotatable support ring 72 and power consumption pipe 1 rotates, and the section that consumes energy 12 is bent and turned round or the stretch bending twisting strain, material yield consumption input energy wherein.

Fig. 7 a-Fig. 7 d is the 7th embodiment of the present utility model, is made up of power consumption pipe 1, outer tube 62, inner sleeve 61, ball bearing 5, left connector 31, right connector 32 and bracing or strutting arrangement.This bracing or strutting arrangement comprises fixed support ring 71 and contiguous block 74, and wherein fixed support ring 71 is arranged between sleeve pipe and the power consumption pipe 1, and is fixed on outer tube 62 or the inner sleeve 61; Ball bearing 5 outer rings are connected with left connector 31; Outer tube 62 is connected with ball bearing 5 outer rings; Power consumption pipe 1 is connected with ball bearing 5 inner rings; Inner sleeve 61 is connected in left joint 31 by contiguous block 74; Power consumption pipe 1 right-hand member is connected with right connector 32.

Fig. 8 is the 8th embodiment of the present utility model, compares with the 6th embodiment, and present embodiment does not have inner sleeve 61.

Fig. 9 a-Fig. 9 b is the 9th embodiment of the present utility model, and the difference of the utility model and the 6th embodiment is, fills power consumption material 8 between the rotational segment 13 of power consumption pipe 1 and sleeve pipe, and power consumption material 8 can be viscoelastic material, as rubber etc.; It also can be friction material.When power consumption pipe 1 stretching of the present utility model or shortening, the material yield consumed energy of power consumption section 12, rotational segment 13 and sleeve pipe generation relative motion, power consumption material 8 wherein is out of shape or the consumed energy that rubs.The power consumption material also can improve the axial rigidity of power consumption pipe to the resistance that rotates.

Claims

1. one kind is rotated the cast damper, comprise power consumption pipe (1), it is characterized in that offer a plurality of slotted holes with respect to the pipe axioversion (2) at its hoop of tube wall upper edge of power consumption pipe (1), hoop position, slotted hole (2) place constitutes the power consumption section (12) of power consumption pipe (1).

2. damper according to claim 1 is characterized in that, described slotted hole (2) is straight trough shape, 8 fonts or ellipse.

3. require described damper according to right 1, it is characterized in that, described slotted hole (2) opening part is handled through fillet.

4. damper according to claim 1 is characterized in that, on the same hoop in power consumption pipe (1), each slotted hole (2) move towards unanimity, spacing unanimity between the adjacent slotted hole (2).

5. damper according to claim 1, it is characterized in that, described slotted hole (2) has a circle at power consumption pipe (1), and a wherein end of power consumption pipe (1) is connected with ball bearing (5), is the rotational segment (13) of power consumption pipe (1) between slotted hole (2) and the ball bearing (5).

6. damper according to claim 1 is characterized in that, described slotted hole (2) has two circles at the pipe (1) that consumes energy, and two circle slotted holes (2) are symmetry mutually, is the rotational segment (13) of power consumption pipe (1) between the two circle slotted holes (2).

7. according to claim 5 or 6 described dampers, it is characterized in that the internal configurations inner sleeve (61) of described power consumption pipe (1) and/or exterior arrangement outer tube (62).

8. damper according to claim 7 is characterized in that, is provided with bracing or strutting arrangement between described sleeve pipe (6) and the power consumption pipe (1).

9. damper according to claim 7 is characterized in that, is provided with viscoelastic material or friction material between the rotational segment (13) of described power consumption pipe (1) and the sleeve pipe (6).

10. damper according to claim 1 is characterized in that, described power consumption pipe (1) is for surrendering the material of power consumption.