CN202000483U - Laminated rubber bearing tensile mechanism - Google Patents

Laminated rubber bearing tensile mechanism Download PDF

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Publication number
CN202000483U
CN202000483U CN2011200227252U CN201120022725U CN202000483U CN 202000483 U CN202000483 U CN 202000483U CN 2011200227252 U CN2011200227252 U CN 2011200227252U CN 201120022725 U CN201120022725 U CN 201120022725U CN 202000483 U CN202000483 U CN 202000483U
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China
Prior art keywords
laminated rubber
rubber bearing
bearing
tension
center
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Expired - Lifetime
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CN2011200227252U
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Chinese (zh)
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胡晓静
任东辉
徐俊杰
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Abstract

The utility model provides a laminated rubber bearing tensile mechanism, which comprises an upper structure, a supporting structure and a lower support plate, wherein the supporting structure is positioned below the upper structure; the lower support plate is a part of the upper structure or is fixed on the upper structure; a laminated rubber bearing and an upper cover plate are arranged above the lower support plate; the laminated rubber bearing is positioned between the lower support plate and the upper cover plate; and a tensile screw, which is pre-buried in the supporting structure, is fixed through a nut after passing through the lower support plate, the laminated rubber bearing and the upper cover plate in sequence. In the utility model, the laminated rubber bearing limits the vertical displacement of the tensile upper structure. Therefore, the tensile mechanism is convenient to mount and is economic and practical.

Description

Laminated rubber bearing tension mechanism
Technical field
The utility model relates to a kind of laminated rubber bearing tension mechanism, belongs to civil engineering central sill and structural bearings technical field.
Background technology
Laminated rubber bearing simple structure, easy to process, dependable performance, with low cost, has the better elastic damping, can reduce the impact of dynamic load to structure, improve bridge force-bearing performance and anti-seismic performance, but bearing capacity is subjected to certain limitation, thereby in little medium and small bridge (bearing reaction is in the 200t) engineering of bearing reaction, be widely used, then adopt pot bearing or spherical bearing during bearing reaction big (bearing reaction is generally more than 200t).
Common laminated rubber bearing mostly is the resistance to compression bearing, when needs bear pulling force, generally tension bolt is set at the bearing center, superstructure and base-plate are linked together, thereby the center of bearing is provided with perforate, pass for tension bolt, and perforate makes that the bearing capacity of bearing is weakened, for avoiding that tension bolt is set horizontal movement is formed restriction simultaneously, also need to be provided with complicated connection and position-limit mechanism, thereby cost is higher, owing to only utilize bolt tension, the anti-knock shock resistance performance that laminated rubber bearing is good to have no way of bringing into play.Pot bearing and spherical bearing resistance to compression bearing capacity height are usually used in the large bridge structure.When needs bear pulling force, also pull bar must be set in addition, connection and limit configuration are all very complicated, involve great expense.When pressurized operating mode bearing reaction absolute value during much larger than pulling force, adopt and melt tension, resistance to compression in the benzvalene form tension compression bearing or the ball-type tension compression bearing of one, especially unreasonable economically.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of laminated rubber bearing tension mechanism, and it utilizes the vertical displacement of laminated rubber bearing restriction tension, and is easy for installation, economical and practical.
In order to solve the problems of the technologies described above, the laminated rubber bearing tension mechanism that the utility model provides, comprise superstructure, be positioned at the supporting construction of superstructure below, also comprise a bottom deck, described bottom deck is the part of superstructure or is fixed on the superstructure, described bottom deck top is provided with laminated rubber bearing and upper cover plate, described laminated rubber bearing is between bottom deck and upper cover plate, the tension screw rod that is embedded in the described supporting construction passes described bottom deck, laminated rubber bearing, upper cover plate successively, and fixes with nut after passing upper cover plate.
Preferably, described superstructure is the case beam, and described bottom deck is case beam base plate or is fixed on the outer bracket of choosing on the coxostermum outside the case beam.
Preferably, described bottom deck is provided with pre-embedded steel slab, and described pre-embedded steel slab top is provided with corrosion resistant plate, and described corrosion resistant plate is positioned at described laminated rubber bearing below.
Further, the soffit of described laminated rubber bearing is fixed with the tetrafluoroethene slide plate, and described tetrafluoroethene slide plate is between described laminated rubber bearing and corrosion resistant plate.
Further, described bottom deck center, pre-embedded steel slab center, corrosion resistant plate center have the big hole that communicates, described tetrafluoroethene slide plate center, laminated rubber bearing center, upper cover plate center have the tension screw hole that communicates, described big hole diameter is greater than described tension screw hole diameter, described tension screw rod passes described big hole, described tension screw hole successively, and fixes with nut after passing described tension screw hole.
Further, the below of described laminated rubber bearing is provided with the rigidity supporting plate, and the soffit of described rigidity supporting plate is fixed with the tetrafluoroethene slide plate, and described rigidity supporting plate, tetrafluoroethene slide plate are all between described laminated rubber bearing and corrosion resistant plate.
Further, described bottom deck center, pre-embedded steel slab center, corrosion resistant plate center have the big hole that communicates, described tetrafluoroethene slide plate center, rigidity supporting plate center, laminated rubber bearing center, upper cover plate center have the tension screw hole that communicates, described big hole diameter is greater than described tension screw hole diameter, described tension screw rod passes described big hole, tension screw hole successively, and fixes with nut after passing described tension screw hole.
Preferably, described laminated rubber bearing is laminated rubber bases or high-damping rubber bearing.
Preferably, described laminated rubber bearing is a lead core rubber support, and inserting around the tension screw rod and with the tension screw rod in the described laminated rubber bearing is centrosymmetric lead for retractable pencil.
Preferably, be provided with the resistance to compression bearing between described superstructure and the supporting construction, described resistance to compression bearing is laminated rubber bearing or pot rubber bearing or spherical bearing or steel support.
Laminated rubber bearing tension of the present utility model mechanism can realize when pulling out on the superstructure tension, laminated rubber bearing pressurized, thereby limiting structure vertical displacement, and give full play to the good characteristics of its anti-knock shock resistance performance.And the superstructure pressurized is when pressing down, and the resistance to compression bearing works, and this resistance to compression bearing can be provided with as required flexibly, need not consider the tension requirement.In this laminated rubber bearing tension mechanism, adopt common measuring body laminated rubber bearing to bear the pulling force of vertical direction, this laminated rubber bearing processing and easy for installation, be provided with respectively with the resistance to compression bearing, do not need to be provided with separately connection and position limiting structure, greatly reduce cost, very economical practicality.
Description of drawings
Fig. 1 is the fixing schematic diagram of laminated rubber bearing tension mechanism in the utility model.
Fig. 2 is the schematic diagram of first kind of moving plate type neoprene bearing of the utility model tension mechanism.
Fig. 3 is the schematic diagram of second kind of moving plate type neoprene bearing of the utility model tension mechanism.
Fig. 4 is the sectional drawing of the laminated rubber bearing tension mechanism of first kind of bottom deck of the utility model band.
Fig. 5 is the sectional drawing of the laminated rubber bearing tension mechanism of second kind of bottom deck of the utility model band.
The specific embodiment
Laminated rubber bearing tension mechanism as shown in Figure 1, comprise superstructure 1, be positioned at the supporting construction 2 of superstructure 1 below, also comprise a bottom deck 4, bottom deck 4 is for the part of superstructure 1 or be fixed on the superstructure 1, bottom deck 4 tops are provided with laminated rubber bearing 3 and upper cover plate 12, laminated rubber bearing 3 is between bottom deck 4 and upper cover plate 12, the tension screw rod 6 that is embedded in 2 li of supporting constructions passes bottom deck 4, laminated rubber bearing 3, upper cover plate 12 successively, and fixing with nut 7 after passing upper cover plate 12.
As shown in Figure 4, superstructure 1 is the case beam, and bottom deck 4 is a case beam base plate, and as shown in Figure 5, bottom deck 4 is for being fixed on the outer bracket of choosing on the coxostermum outside the case beam.
As shown in Figure 2, bottom deck 4 is provided with pre-embedded steel slab 8, and pre-embedded steel slab 8 tops are provided with corrosion resistant plate 9, and corrosion resistant plate 9 is positioned at laminated rubber bearing 3 belows.
Figure 1 shows that fixedly laminated rubber bearing tension mechanism, promptly do not have between upper cover plate 12, laminated rubber bearing 3, the bottom deck 4 and move horizontally relatively.
Figure 2 shows that the schematic diagram of first kind of moving plate type neoprene bearing tension mechanism, the soffit of laminated rubber bearing 3 is fixed with tetrafluoroethene slide plate 10, tetrafluoroethene slide plate 10 is between laminated rubber bearing 3 and corrosion resistant plate 9, bottom deck 4 centers, pre-embedded steel slab 8 centers, corrosion resistant plate 9 centers have the big hole 14 that communicates, tetrafluoroethene slide plate 10 centers, laminated rubber bearing 3 centers, upper cover plate 12 centers have the tension screw hole 15 that communicates, big hole 14 diameters are greater than tension screw hole 15 diameters, tension screw rod 6 passes big hole 14 successively, tension screw hole 15, and fixing with nut 7 after passing tension screw hole 15, thereby make bottom deck 4 and superstructure 1 on horizontal plane, to move with respect to laminated rubber bearing 3 and supporting construction 2.
Figure 3 shows that the schematic diagram of another kind of moving plate type neoprene bearing tension mechanism, the below of laminated rubber bearing 3 is provided with rigidity supporting plate 13, the soffit of rigidity supporting plate 13 is fixed with tetrafluoroethene slide plate 10, rigidity supporting plate 13, tetrafluoroethene slide plate 10 is all between laminated rubber bearing 3 and corrosion resistant plate 9, bottom deck 4 centers, pre-embedded steel slab 8 centers, corrosion resistant plate 9 centers have the big hole 14 that communicates, tetrafluoroethene slide plate 10 centers, rigidity supporting plate 13 centers, laminated rubber bearing 3 centers, upper cover plate 12 centers have the tension screw hole 15 that communicates, big hole 14 diameters are greater than tension screw hole 15 diameters, tension screw rod 6 passes big hole 14 successively, tension screw hole 15, and fixing with nut 7 after passing tension screw hole 15, thereby make bottom deck 4 and superstructure 1 on horizontal plane, to move with respect to laminated rubber bearing 3 and supporting construction 2.
Laminated rubber bearing 3 is a laminated rubber bases, and successively superimposed by rubber tile and steel plate, whole sulfuration forms, and the center has circular hole; Can insert lead for retractable pencil in the laminated rubber bearing 3, constitute lead core rubber support around center (being tension screw rod 6) and symmetric arrangement; Laminated rubber bearing 3 adopts high-damping rubber structure plate rubber bearing, and promptly laminated rubber bearing 3 successively is built up by high-damping rubber and steel plate, becomes the high-damping rubber bearing, can further improve isolating affection.
As Fig. 1, Fig. 2 and shown in Figure 3, be provided with resistance to compression bearing 5 between superstructure 1 and the supporting construction 2, resistance to compression bearing 5 is laminated rubber bearing or pot rubber bearing or spherical bearing or steel support.
As shown in Figure 1, the outside of laminated rubber bearing 3 is provided with a circle dust excluding plate 11, and laminated rubber bearing 3 is enclosed in the dust excluding plate 11.
Tension screw rod 6 is the high-strength bolt or the crab-bolt of making of the high-performance steel.
As shown in Figure 4, wherein superstructure 1 is the case beam, bottom deck 4 is a case beam base plate, laminated rubber bearing 3 adopts laminated rubber bases, upper cover plate 12 adopts the ribbed steel member, and tension screw rod 6 is 10.9 grades of high-strength bolts, and nut 7 is a high-strength bolt auxiliary connection auxiliary equipment, adopt two nuts, a packing ring is installed.
As shown in Figure 5, wherein superstructure 1 is the case beam, bottom deck 4 is for being fixed on the outer bracket of choosing on the coxostermum outside the case beam, laminated rubber bearing 3 adopts the laminated rubber bases of band tetrafluoroethene slide plate 10, tension screw rod 6 is 10.9 grades of high-strength bolts, nut is a high-strength bolt auxiliary connection auxiliary equipment, adopts packing ring of two nuts to install.
Laminated rubber bearing tension mechanism shown in Figure 3, its installation steps are as follows: at first, fixing tension screw rod 6 on supporting construction 2 is installed resistance to compression bearing 5; Then, construction superstructure 1, and bottom deck 4 passed tension screw rod 6 and superstructure 1 secure fixation, and pre-embedded steel slab 8, corrosion resistant plate 9 are set on bottom deck 4; Then, rigidity supporting plate 13 (its soffit is fixed with tetrafluoroethene slide plate 10), laminated rubber bearing 3, upper cover plate 12 are installed successively, are tightened with nut 7; Dust excluding plate 11 is installed at last.
The laminated rubber bearing tension mechanism that the utility model provides, by structural configuration cleverly, can realize when pulling out on superstructure 1 tension, laminated rubber bearing 3 pressurizeds, thereby limiting structure vertical displacement, because laminated rubber bearing, can be given full play to the characteristics that its compressional stiffness is big, the anti-knock shock resistance performance is good in pressured state work.And superstructure 1 pressurized is when pressing down, and resistance to compression bearing 5 works, and can select appropriate resistance to compression bearing product as required flexibly for use, need not consider the tension requirement of this resistance to compression bearing 5.
The beneficial effects of the utility model are as follows: utilize common laminated rubber bearing 3 processing and fabricatings, easy for installation, antidetonation and shock resistance good; Can arrange respectively with resistance to compression bearing 5, not need to arrange separately connection and position limiting structure and come tension, very economical practicality. When pressurized operating mode bearing reaction absolute value during much larger than pulling force, resistance to compression bearing 5 can be selected Compressive Bearing Capacity high common pot bearing, spherical bearing or bridle iron, with respect to the tension compression bearing of costliness, can significantly save cost. Tension laminated rubber bearing 3 can be selected laminated rubber bases, lead core rubber support or high-damp rubber support on demand, thereby realizes efficiently the shock insulation effect when the structure tension is pulled out.

Claims (10)

1. laminated rubber bearing tension mechanism, comprise superstructure (1), be positioned at the supporting construction (2) of superstructure (1) below, it is characterized in that: also comprise a bottom deck (4), described bottom deck (4) is for the part of superstructure (1) or be fixed on the superstructure (1), described bottom deck (4) top is provided with laminated rubber bearing (3) and upper cover plate (12), described laminated rubber bearing (3) is positioned between bottom deck (4) and the upper cover plate (12), the tension screw rod (6) that is embedded in described supporting construction (2) lining passes described bottom deck (4) successively, laminated rubber bearing (3), upper cover plate (12), and fixing with nut (7) after passing upper cover plate (12).
2. laminated rubber bearing tension according to claim 1 mechanism is characterized in that: described superstructure (1) is the case beam, and described bottom deck (4) is for case beam base plate or be fixed on the outer bracket of choosing on the outer coxostermum of case beam.
3. laminated rubber bearing tension according to claim 1 mechanism, it is characterized in that: described bottom deck (4) is provided with pre-embedded steel slab (8), described pre-embedded steel slab (8) top is provided with corrosion resistant plate (9), and described corrosion resistant plate (9) is positioned at described laminated rubber bearing (3) below.
4. laminated rubber bearing tension according to claim 3 mechanism, it is characterized in that: the soffit of described laminated rubber bearing (3) is fixed with tetrafluoroethene slide plate (10), and described tetrafluoroethene slide plate (10) is positioned between described laminated rubber bearing (3) and the corrosion resistant plate (9).
5. laminated rubber bearing tension according to claim 4 mechanism, it is characterized in that: described bottom deck (4) center, pre-embedded steel slab (8) center, corrosion resistant plate (9) center has the big hole (14) that communicates, described tetrafluoroethene slide plate (10) center, laminated rubber bearing (3) center, upper cover plate (12) center has the tension screw hole (15) that communicates, described big hole (14) diameter is greater than described tension screw hole (15) diameter, described tension screw rod (6) passes described big hole (14) successively, described tension screw hole (15), and fixing with nut (7) after passing described tension screw hole (15).
6. laminated rubber bearing tension according to claim 3 mechanism, it is characterized in that: the below of described laminated rubber bearing (3) is provided with rigidity supporting plate (13), the soffit of described rigidity supporting plate (13) is fixed with tetrafluoroethene slide plate (10), and described rigidity supporting plate (13), tetrafluoroethene slide plate (10) all are positioned between described laminated rubber bearing (3) and the corrosion resistant plate (9).
7. laminated rubber bearing tension according to claim 6 mechanism, it is characterized in that: described bottom deck (4) center, pre-embedded steel slab (8) center, corrosion resistant plate (9) center has the big hole (14) that communicates, described tetrafluoroethene slide plate (10) center, rigidity supporting plate (13) center, laminated rubber bearing (3) center, upper cover plate (12) center has the tension screw hole (15) that communicates, described big hole (14) diameter is greater than described tension screw hole (15) diameter, described tension screw rod (6) passes described big hole (14) successively, tension screw hole (15), and fixing with nut (7) after passing described tension screw hole (15).
8. laminated rubber bearing tension according to claim 3 mechanism, it is characterized in that: described laminated rubber bearing (3) is laminated rubber bases or high-damping rubber bearing.
9. laminated rubber bearing tension according to claim 3 mechanism, it is characterized in that: described laminated rubber bearing (3) is a lead core rubber support, and inserting around tension screw rod (6) and with tension screw rod (6) in the described laminated rubber bearing (3) is centrosymmetric lead for retractable pencil.
10. laminated rubber bearing tension according to claim 1 mechanism, it is characterized in that: be provided with resistance to compression bearing (5) between described superstructure (1) and the supporting construction (2), described resistance to compression bearing (5) is laminated rubber bearing or pot rubber bearing or spherical bearing or steel support.
CN2011200227252U 2011-01-24 2011-01-24 Laminated rubber bearing tensile mechanism Expired - Lifetime CN202000483U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102509489A (en) * 2011-12-19 2012-06-20 孙丁成 Assembly for manufacturing model
CN102605712A (en) * 2011-01-24 2012-07-25 上海勘测设计研究院 Tensile mechanism of plate type rubber supporting seat
CN105155408A (en) * 2015-04-25 2015-12-16 清华大学 Bridge anti-overturning support and construction method thereof
CN109235683A (en) * 2018-09-07 2019-01-18 昆明理工大学 A kind of tensile device and method of shock-insulation building

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605712A (en) * 2011-01-24 2012-07-25 上海勘测设计研究院 Tensile mechanism of plate type rubber supporting seat
CN102605712B (en) * 2011-01-24 2016-08-03 上海勘测设计研究院 Laminated rubber bearing tensile mechanism
CN102509489A (en) * 2011-12-19 2012-06-20 孙丁成 Assembly for manufacturing model
CN102509489B (en) * 2011-12-19 2016-03-02 孙丁成 For the subassembly of analogue formation
CN105155408A (en) * 2015-04-25 2015-12-16 清华大学 Bridge anti-overturning support and construction method thereof
CN109235683A (en) * 2018-09-07 2019-01-18 昆明理工大学 A kind of tensile device and method of shock-insulation building

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Granted publication date: 20111005

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