CN220814288U - Gapless fixed connection device for damper - Google Patents

Gapless fixed connection device for damper Download PDF

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Publication number
CN220814288U
CN220814288U CN202322712610.1U CN202322712610U CN220814288U CN 220814288 U CN220814288 U CN 220814288U CN 202322712610 U CN202322712610 U CN 202322712610U CN 220814288 U CN220814288 U CN 220814288U
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CN
China
Prior art keywords
wedge
damper
ring
attenuator
pin shaft
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CN202322712610.1U
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Chinese (zh)
Inventor
徐佳炜
吴思远
孔伟明
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ZHIXING S&T Ltd
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ZHIXING S&T Ltd
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Abstract

The utility model discloses a gapless fixed connection device for a damper, wherein a second damper lug at one end of a damper body is matched with a second lug plate seat through a joint bearing, an expansion pin shaft is inserted into the joint bearing and the second lug plate seat, conical sections are respectively arranged at the middle and two ends of the expansion pin shaft, the expansion pin shaft is arranged at the joint bearing at the conical sections of a bulge in the middle, two first wedge rings are oppositely sleeved at the conical sections of the expansion pin shaft, an adjusting locking ring is arranged at the outer side of each first wedge ring and limited by the adjusting locking ring, two second wedge rings are respectively sleeved at the conical sections at the two ends of the expansion pin shaft, and pressing ring plates and fasteners are arranged at the two ends of the expansion pin shaft.

Description

Gapless fixed connection device for damper
Technical Field
The utility model relates to the technical field of dampers, in particular to a gapless fixed connection device for a damper.
Background
At present, the domestic energy dissipation damper for building shock absorption is generally connected with the lug plates through the pin shafts, and the fixed lug plates are respectively welded on the upper cantilever wall and the lower cantilever wall of the building, so that when external excitation (earthquake or wind vibration) is transmitted to a building structure, the caused deformation of the building structure drives the damper to move through the pin shafts. The energy dissipation damper adopts a hinged connection mode, specifically, earrings are arranged at two ends of the damper, a joint bearing is arranged in the damper, and the pin shaft is allowed to swing at a certain angle relative to the earring hole, so that on one hand, construction and installation are facilitated, and on the other hand, when the structure is deformed to cause torsion of a connecting wall surface, the damper can be prevented from bearing additional bending moment by hinging, and damage to the damper is prevented.
When the damper is connected with the lug plate through the pin shaft, the diameter of the pin shaft is often smaller than the aperture of the pin shaft hole and the aperture of the knuckle bearing of the lug plate in order to consider the convenience of actual installation, so that the connection gaps between the pin shaft and the lug plate hole and between the pin shaft and the knuckle bearing hole cannot be avoided, the load of the pin shaft is easily distributed on a very small area, the pin shaft is driven to repeatedly strike the pin shaft hole of the lug plate when the damper reciprocates, the fixed lug plate is gradually worn, and the service life is reduced; in addition, the connection gap also has an effect on the performance of the damper, when the structural deformation is small, especially when the displacement of the ear plate is smaller than the connection gap, the damper cannot be driven to move, and the damper cannot achieve the purpose of reducing the structural vibration reaction, so that an improved technology is needed to solve the problem in the prior art.
Disclosure of utility model
The utility model aims to provide a gapless fixed connection device for a damper, which eliminates the connection gaps between a pin shaft and the damper and between the pin shaft and an ear plate, improves the load distribution of the pin shaft hole, ensures the damping performance of the damper, and simultaneously ensures that the damper can still have a free swing angle with a certain angle, thereby being beneficial to construction and installation and solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a zero clearance fixed connection device for attenuator, includes attenuator body, first attenuator earring, second attenuator earring, first otic placode seat, second otic placode seat, joint bearing, first wedge ring, expansion round pin axle, adjustment locking ring, second wedge ring, clamping ring plate, attenuator body both ends are provided with first attenuator earring and second attenuator earring respectively, first attenuator earring links to each other with first otic placode seat through the pivot, second attenuator earring is kept away from attenuator body one end and is provided with joint bearing, the second attenuator earring passes through joint bearing and the cooperation of second otic placode seat, expansion round pin axle inserts and locates joint bearing and second otic placode seat, expansion round pin axle is equipped with the conical section in centre and both ends respectively, expansion round pin axle is located the middle bellied conical section department in the centre, first wedge ring has two and opposite direction cover at expansion round pin axle's middle conical section, first wedge ring outside is provided with the adjustment locking ring and passes through the adjustment locking ring and links to each other with first otic placode seat, the second ring is located at expansion round pin axle both ends, expansion round pin axle and expansion round pin axle have the wedge cover and two and expansion round pin axle compression section.
Preferably, the utility model provides a gapless fixed connection device for a damper, wherein the first lug plate seat is connected with the lower surface of an upper cantilever wall, and the second lug plate seat is connected with the upper surface of a lower cantilever wall.
Preferably, the inner side of the first wedge-shaped ring is conical, and the outer circle of the first wedge-shaped ring is consistent with the inner diameter of the knuckle bearing.
Preferably, the inner side of the second wedge-shaped ring is conical, and the outer circle of the second wedge-shaped ring is consistent with the inner diameter of the hole of the second lug plate seat.
Preferably, the utility model provides a gapless fixed connection device for a damper, wherein the first wedge-shaped ring and the second wedge-shaped ring are split and divided into two semi-rings.
Compared with the prior art, the utility model has the beneficial effects that:
The connecting gaps between the pin shaft and the damper and between the pin shaft and the lug plate can be eliminated, the damping performance of the damper is guaranteed, and meanwhile, the damper can still have a free swing angle with a certain angle. According to the utility model, the expansion rings are respectively arranged between the pin shaft and the knuckle bearing hole and between the pin shaft and the lug hole in the traditional pin shaft structure, and the wedge-shaped ring is extruded to a certain extent through the connecting thread pair, so that the wedge-shaped ring is continuously filled with the gap, and the installation gap between the pin shaft and the connecting hole is eliminated. The connecting gaps between the pin shaft and the damper and between the pin shaft and the lug plate are eliminated, the load distribution of the pin shaft hole is improved, the damping performance of the damper is guaranteed, and meanwhile, the damper can still have a free swing angle with a certain angle, so that the construction and the installation are facilitated.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic view of a three-dimensional view structure according to the present utility model;
fig. 3 is a schematic cross-sectional view of the connection structure of the present utility model at the expansion pin.
In the figure: the damper comprises a damper body 1, a first damper earring 2, a second damper earring 3, a first lug plate seat 4, a second lug plate seat 5, a joint bearing 6, a first wedge-shaped ring 7, an expansion pin shaft 8, an adjusting locking ring 9, a second wedge-shaped ring 10, a compression ring plate 11, a fastener 12, an upper cantilever wall 13 and a lower cantilever wall 14.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;
It should be noted that, in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a zero clearance fixed connection device for attenuator, including attenuator body 1, first attenuator earring 2, second attenuator earring 3, first otic placode seat 4, second otic placode seat 5, joint bearing 6, first wedge ring 7, the tight round pin axle that expands 8, adjustment locking ring 9, second wedge ring 10, clamping ring board 11, attenuator body 1 both ends are provided with first attenuator earring 2 and second attenuator earring 3 respectively, first attenuator earring 2 links to each other with first otic placode seat 4 through the pivot, second attenuator earring 3 is provided with joint bearing 6 far away from attenuator body 1 one end, second attenuator earring 3 cooperates with second otic placode seat 5 through joint bearing 6, tight round pin axle 8 inserts and locates joint bearing 6 and second otic placode seat 5, tight round pin axle 8 expands and is equipped with the conical section in the centre and both ends respectively, tight round pin axle 8 is located the middle conical section department that protrudes in the centre, first wedge ring 7 has two and the opposite direction cover in the middle conical section department of tight round pin axle 8, first wedge ring 7 is provided with the wedge ring 7 and is provided with the wedge ring 9 and two wedge ring 11 and two wedge ring diameter limiting rings are located at the outer diameter 8, the tight round pin axle 8 is located at the both ends of the tight round pin axle 8 respectively, the tight round pin axle 8 is pressed to the tight round pin axle 8, the tight round pin axle 8 is located at the two wedge pin 8 both ends are provided with the wedge ring 11 respectively, the tight round pin axle 8 is provided with the tight round pin axle 8, the wedge pin 8 has the tight round pin 8's diameter 8, and expansion round pin 8 has the tight round pin 8's joint pin 8 and has the tight round pin axle's joint axle and has the tight round pin joint axle and wedge ring and has the tight round pin joint and adjustable wedge ring.
The first ear plate seat 4 is connected with the lower surface of the upper cantilever wall 13, the second ear plate seat 5 is connected with the upper surface of the lower cantilever wall 14, and the damper body 1 is fixed on the ear plate seats preset on the upper cantilever wall 13 and the lower cantilever wall 14 through damper ear rings at two ends; in order to facilitate the construction, installation and working swing of the damper body 1, a joint bearing 6 is installed in the damper earring, and an expansion pin shaft 8 is inserted into pin shaft holes of the joint bearing 6 and the lug plate seat in the damper earring; the first lug plate seat 4 is welded and fixed on the upper cantilever wall 13, and the second lug plate seat 5 is welded and fixed on the lower cantilever wall 14.
The expansion pin shaft 8 is provided with conical sections at the middle and two ends respectively, the middle bulge conical section is correspondingly arranged at the hole of the joint bearing 6, the maximum diameter of the middle section is smaller than the inner diameter of the hole of the joint bearing 6, the expansion pin shaft 8 can be conveniently placed in place, the two ends of the expansion pin shaft are arranged at the two ends in a conical manner, and the first wedge-shaped ring 7 is oppositely arranged at the middle conical position of the expansion pin shaft 8; the adjusting locking ring 9 is in threaded connection with the expansion pin shaft 8, sleeved on two sides of the knuckle bearing 6 and arranged between the first wedge-shaped ring 7 and the second lug plate seat 5; the second wedge-shaped rings 10 are sleeved at two ends of the expansion pin shaft 8 and are fixed at two ends of the expansion pin shaft 8 through the compression ring plates 11 and the fastening pieces 12; the outer circle of the first wedge-shaped ring 7 is consistent with the inner diameter of the hole of the knuckle bearing 6, the inner side is conical, the first wedge-shaped ring 7 is oppositely arranged at two sides of the middle bulge of the expansion pin shaft 8, the outer circle of the second wedge-shaped ring 10 is consistent with the inner diameter of the pin shaft hole of the second lug plate seat 5, the inner side is conical, and the second wedge-shaped ring 10 is oppositely arranged at two ends of the expansion pin shaft 8; the first wedge-shaped ring 7 and the second wedge-shaped ring 10 are split and divided into two semi-rings, and the first wedge-shaped ring 7 and the second wedge-shaped ring 10 are made of materials (magnesium alloy, aluminum alloy, copper alloy and the like) with good soft toughness and high strength.
The assembly process of this embodiment is: as shown in fig. 3, the expansion pin shaft 8 is inserted into the inner hole of the joint bearing 6 and the hole of the second ear plate seat 5, the maximum diameter of the middle bulge is symmetrically arranged in the joint bearing 6, two sides of the expansion pin shaft 8 are respectively screwed into the adjusting locking rings 9, the first wedge-shaped ring 7 is plugged between the joint bearing 6 and the conical inclined surface of the expansion pin shaft 8, the first wedge-shaped ring 7 is pressed to the conical end part in the middle of the pin shaft through adjusting the screw thread pair of the locking rings 9, the wedge-shaped ring is extruded and deformed, and the connecting gap between the joint bearing 6 and the expansion pin shaft 8 is filled and eliminated. The second wedge-shaped rings 10 are arranged at the conical parts at the two ends of the expansion pin shaft 8, and the second wedge-shaped rings 10 are extruded and deformed to the conical end parts of the pin shaft through the pressing plate and the thread pair at the end parts of the expansion pin shaft 8, so that a certain torque is applied to lock. According to the utility model, the opposite wedge rings are respectively arranged between the pin shaft and the joint bearing 6 hole and between the pin shaft and the lug plate hole in the traditional pin shaft structure, a certain extrusion is realized on the wedge rings through the connecting thread pair, and the wedge rings are continuously filled with gaps, so that the connecting gaps between the pin shaft and the damper and between the pin shaft and the lug plate can be eliminated, the damping performance of the damper is ensured, and the damper is ensured to have a free swing angle with a certain angle under the condition of no connecting gap.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (5)

1. A play-free fixed connection device for a damper, characterized by: including attenuator body (1), first attenuator earring (2), second attenuator earring (3), first otic placode seat (4), second otic placode seat (5), joint bearing (6), first wedge ring (7), expansion round pin axle (8), adjustment locking ring (9), second wedge ring (10), clamping ring board (11), attenuator body (1) both ends are provided with first attenuator earring (2) and second attenuator earring (3) respectively, first attenuator earring (2) link to each other with first otic placode seat (4) through the pivot, second attenuator earring (3) are kept away from attenuator body (1) one end and are provided with joint bearing (6), second attenuator earring (3) are through joint bearing (6) and second otic placode seat (5) cooperation, expansion round pin axle (8) are inserted and are located joint bearing (6) and second otic placode seat (5), expansion round pin axle (8) are provided with conical section in the centre respectively at both ends, expansion round pin axle (8) are located conical section (7) and are located two and are adjusted conical section (7) and are located conical section (9) and are located in opposite directions of expansion round pin axle (7), the adjusting locking ring (9) is sleeved on the expansion pin shaft (8), two second wedge-shaped rings (10) are sleeved on conical sections at two ends of the expansion pin shaft (8) respectively, pressing ring plates (11) and fastening pieces (12) are arranged at two ends of the expansion pin shaft (8), and the pressing ring plates (11) are pressed at the outer ends of the second wedge-shaped rings (10).
2. A play-free fixed connection for a damper as claimed in claim 1, wherein: the first ear plate seat (4) is connected with the lower surface of the upper cantilever wall (13), and the second ear plate seat (5) is connected with the upper surface of the lower cantilever wall (14).
3. A play-free fixed connection for a damper as claimed in claim 1, wherein: the inner side of the first wedge-shaped ring (7) is conical, and the outer circle of the first wedge-shaped ring (7) is consistent with the inner diameter of the knuckle bearing (6).
4. A play-free fixed connection for a damper as claimed in claim 1, wherein: the inner side of the second wedge-shaped ring (10) is conical, and the outer circle of the second wedge-shaped ring (10) is consistent with the inner diameter of the hole of the second lug plate seat (5).
5. A play-free fixed connection for a damper as claimed in claim 1, wherein: the first wedge-shaped ring (7) and the second wedge-shaped ring (10) are split and divided into two semi-rings.
CN202322712610.1U 2023-10-10 2023-10-10 Gapless fixed connection device for damper Active CN220814288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322712610.1U CN220814288U (en) 2023-10-10 2023-10-10 Gapless fixed connection device for damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322712610.1U CN220814288U (en) 2023-10-10 2023-10-10 Gapless fixed connection device for damper

Publications (1)

Publication Number Publication Date
CN220814288U true CN220814288U (en) 2024-04-19

Family

ID=90710458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322712610.1U Active CN220814288U (en) 2023-10-10 2023-10-10 Gapless fixed connection device for damper

Country Status (1)

Country Link
CN (1) CN220814288U (en)

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