CN2690475Y

CN2690475Y - Shock-proof mocable two-way large shift steel support base

Info

Publication number: CN2690475Y
Application number: CN 200420000215
Authority: CN
Inventors: 崔玲; 徐国彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-05
Filing date: 2004-01-05
Publication date: 2005-04-06
Anticipated expiration: 2014-01-05

Abstract

The utility model discloses a shock-proof movable two-way large shift steel support base used in the building structure or the bridge structure, comprising an upper cover and a box body. The lower part of the upper cover is provided with a cavity body downwards opening, the cavity body is provided with a middle core, and the upper part of a base is extended into the cavity body of the upper cover. The upper surface of the base is provided with a cambered recess, the lower part of the middle core is positioned in the cambered recess, and the lower surface of the middle core is a cambered surface matched with the cambered recess on the upper surface of the base. The utility model is characterized in that the box body is provided with a sliding block arranged on the sliding rail in the box body. The sliding block is provided with the sliding rail, and is perpendicular to the lower sliding rail. As a consequence, the upper base can proceed with the left-right movement and the fore-and-aft movement relative to the box body. The support base has the advantages of two-way large shift ability, strong shock resistance, fastness and durability.

Description

The movable two-way big displacement steel support of antidetonation

Technical field

The utility model relates to a kind of Engineering Structure Component, particularly a kind of bearing that is used for engineering structures.This bearing also has the function of two-way big displacement except that the characteristics with antidetonation, resistance to plucking and high-bearing capacity, be applicable to the occasion of the engineering structures of the two-way big displacement of various needs.

Background technology

Connect the vestibule of two highrise buildings, bearing support will be passed through in its two ends, and bearing will be fixed in the building structure at two ends.When earthquake takes place, two highrise buildings can produce and wave, make the relative displacement that produces between two highrise buildings, displacement may take place in different directions, two buildings are waved to both sides or centre, vestibule is stretched or push, also may make two buildings that dislocation takes place and wave, this moment, vestibule can be twisted.Waving on the whichever direction all can damage the vestibule structure.Equally, in overhead, long span bridge girder construction, earthquake also has to make bridge pier produce the possibility of the displacement on the both direction to the influence of bridge pier, and bridge construction is caused distortion or destructions such as stretching, extruding, and bridge pier is high more, destroys serious more.

But the used bearing of existing building structure and bridge construction does not all have the bidirectional displacement function, can not overcome the influence of the sway in both directions displacement of building structure that earthquake causes or bridge construction.The patent No. is ZL02257598.7, name is called " the hyperbolical steel support that is used for engineering structures " and discloses a kind of hyperbolical steel support that can be used in building structure and bridge construction, comprise loam cake, SMIS, base and casing, the soffit of SMIS is a hyperboloid, there are a radius of curvature and the corresponding depression of the bi-curved radius of curvature of SMIS in the central authorities of corresponding base upper surface with it, in the static housing bottom two cross sections being arranged is the guide rail of Γ shape, edge below the above-mentioned base is fastened, and and base between leave the gap.This bearing is owing to adopt the hyperboloid SMIS, so have universal rotating function, and base can move along guide rail, has certain monodisplacement ability, can alleviate the harm of the displacement of above-mentioned building structure or bridge construction to a certain extent, have certain shock resistance, but also only can eliminate the influence of displacement in one direction.

The utility model content

The purpose of this utility model is to provide the bearing that a kind of shock resistance is strong, have the bidirectional displacement function, and promptly the movable two-way big displacement steel support of antidetonation is promptly planted bearing and can be produced displacement on orthogonal both direction.

In order to achieve the above object, the movable two-way big displacement steel support of the antidetonation that the utility model provides, a loam cake and casing are arranged, a casing that Open Side Down is arranged at the loam cake bottom, a SMIS is arranged in the casing, a base top is stretched in the casing of loam cake, there is the surface to be the depression of arc on the base, the SMIS bottom is positioned at above-mentioned depression, and the curved surfaces that described SMIS soffit matches for the arc depression with base upper surface, it is characterized in that: at bottom half a slide block is arranged, slide block is installed between the interior a pair of glidepath of casing and can slides in casing along slide rail; The slide block upper surface has vertical the last slide rail of glidepath in a pair of and the casing, and described base bottom is installed in also can be along last slide rail slip in the slide rail.Because base can produce slide displacement with respect to slide block, slide block can produce slide displacement with respect to casing again on another direction, so this bearing can adapt to two-way big displacement.

The curved surfaces of the depression on described SMIS soffit and the base can be the hyperboloid of American football shape, so that SMIS can rotate with respect to base, and the radius of curvature difference of the rotation on both direction.

Glidepath in the described casing can be the horizontal flanges of the symmetry on two side wall inner surfaces of casing, the base that stretch out the oriented both sides, both sides of the corresponding slide rail in slide block bottom, flange cap can and don't can deviate from slide block along the glidepath slip between the glidepath on the base of both sides, slide block bottom.

Horizontal flanges on two sidewalls of described casing can become one structure with wall box, also can be for being welded on the bar steel plate on two side wall inner surfaces of casing, on steel plate top the triangle reinforcing rib is arranged, two right-angle sides of triangle reinforcing rib are welded in respectively on bar steel plate and the wall box.

The last slide rail of described slide block upper surface is positioned on two limits of slide block, can constitute by the inside flange of the level on vertical Zhi Bi and Zhi Bi top, flange fastens the base of stretching out to both sides below the above-mentioned base, slide in the slide rail on making that base can be on slide block but not can from deviate from the slide rail.

Described slide block and/or base lower surface can have at least one groove, in described groove polytetrafluoroethylene floor are housed, to reduce sliding friction power.

Between described SMIS and the base groove and/or between base and the loam cake polytetrafluoroethylene floor can arranged, rotate and sliding friction power to reduce.

Can be fixed with the casing dust cover on the sidewall of described loam cake, described casing dust cover covers on the upper surface of the box plate at casing top, to avoid entering water, dust in the casing, influences bearing and normally uses.

For preventing in the bearing transportation to move mutually between each ingredient of bearing, the junction plate of bar shaped can be arranged by screw on described loam cake sidewall, the junction plate lower end by screw on casing.

Described base top periphery can have horizontal chimb, and the top of base is positioned at the casing below the loam cake, and the loam cake bottom has the chimb on inside receipts limit and base top to form concavo-convex tongue and groove interlock.

The movable two-way big displacement steel support of this antidetonation has following advantage:

(1) slip by base and slide block can produce bidirectional displacement between loam cake and the casing, and the distance of displacement can design as required, can adapt between the building structure that causes owing to earthquake or the relative displacement that on both direction, produces between the bridge construction, alleviate the destruction of earthquake, have stronger shock resistance building structure or bridge construction.

(2) the hyperboloid structure of similar rugby shape is adopted on the surface in relative rotation of SMIS and base, except that can rotating on all directions, can also adapt to the needs that rotate radius of curvature on the different directions.

(3) between loam cake and the base by concavo-convex tongue-and-groove structure interlock, base engages installation by last slide rail with slide block, slide block engages installation by glidepath with casing, this bearing is connected firmly, and has than the strong pluck-resistant ability.

(4) between slide unit or rotatable parts, adopt polytetrafluoroethylene floor, make between each parts rotate or the sliding friction resistance little.

(5) the casing dust cover is arranged between casing and the loam cake, make that this bearing sealing is tight, long service life.

Description of drawings

Fig. 1 is the movable a kind of embodiment structural representation of two-way big displacement steel support of antidetonation of the present utility model;

Fig. 2 is the vertical view of the movable two-way big displacement steel support of antidetonation shown in Figure 1;

Fig. 3 is the right view of the movable two-way big displacement steel support of antidetonation shown in Figure 1;

Fig. 4 is the vertical view of the slide block of the movable two-way big displacement steel support of the antidetonation shown in Fig. 1.

The specific embodiment

Be described further below in conjunction with accompanying drawing and preferred embodiment structure the movable two-way big displacement steel support of antidetonation of the present utility model.

As shown in Figure 1 to Figure 3, the movable two-way big displacement steel support of antidetonation is a kind of hyperbolical steel support, its top is a loam cake 1, loam cake top is the rectangle bearing surface, and with reference to figure 2 as can be seen, the lower horizontal cross sectional shape of loam cake 1 is circular, bolt hole 30 is arranged on the bearing surface of loam cake 1, be used for being connected, for example be connected, superstructure is formed effective supporting with vestibule by the superstructure of bolt with building structure or bridge construction.A casing that Open Side Down 5 is arranged below the loam cake 1, the receipts limit 7 that the casing open circumferential of loam cake 1 is inside, base 4 tops are inserted in the casing 5 of loam cake, and the horizontal section that base 4 inserts the casing part of loam cakes 1 be circular, and are identical with the circular cross-section of loam cake 1 bottom.Outside horizontal chimb 6 is arranged at base 4 tops, and the concavo-convex tongue and groove interlock of receipts limit 7 formation with loam cake is located it mutually, guarantees that loam cake 1 can not pull up from base 4.At base 4 upper surfaces a depression is arranged, the depression inner surface is the hyperboloid shape of American football shape, a SMIS 2 is arranged on base 4, loam cake 1 is withstood on SMIS 2 tops, the bottom is the hyperboloid 3 to lower convexity, and its hyperboloid 3 matches with depression inner surface on the base 4, and SMIS 2 can be rotated in the depression of base 4, and because the radius of curvature difference of hyperboloid on mutually perpendicular both direction, can adapt to the torque needs mutually of the superstructure of building structure or bridge construction.But according to the needs of building structure or bridge construction, SMIS soffit 3 also can be sphere with the depression surface of base 4.In order to reduce the frictional resistance between SMIS 2 and the base 4, between the hyperboloid of SMIS and base, can also increase one deck polytetrafluoroethylene floor (not shown), equally, between the contact surface of SMIS 2 and loam cake 1, also the polytetrafluoroethylene floor (not shown) can be arranged.

In a square casing 9 that is fixed on building or the bridge construction lower member, a slide block 10 is arranged, simultaneously in conjunction with shown in Figure 4, there are two bases 15 of stretching out to both sides both sides, slide block 10 bottom, on casing 9 side walls 16, be symmetrically welded with two mutual horizontal steel plates 17, on steel plate 17, be welded with a plurality of leg-of-mutton reinforcing ribs 18.The vertical horizontal flanges that becomes on the sidewall with wall box of steel plate 17, certainly, steel plate 17 also can be structure as a whole with sidewall 16.Steel plate 17 fastens two bases 15 of slide block 10 both sides, and steel plate 17 has formed the glidepath to 10 guiding of slide block and restriction on the casing 9, slide block 10 can be slided in casing 9 along steel plate 17, and don't can pull up from casing 9 bottoms.At slide block 10 soffits a groove is arranged, the polytetrafluoroethylene floor that polyfluortetraethylene plate 12 constitutes is housed in the groove, make slide block 10 in the bottom of casing 9 when steel plate glidepath 17 slides frictional resistance smaller, slide steadily.The last slide rail that pair of parallel is arranged on the vertical direction of the steel plate 17 in slide block 10 upper surfaces and the casing, last slide rail is positioned at slide block 10 upper surface both sides, inside flange 14 by the level on vertical Zhi Bi and Zhi Bi top constitutes, and flange 14 fastens the bases 13 of stretching out both sides of stretching below the base 4.Last slide rail is to 4 of bases guiding and restriction, makes the base 4 can be along last slide rail 14 slips of slide block but can not pull up on slide block 10.A groove is arranged below base 4, polytetrafluoroethylene (PTFE) flaggy 11 is housed in the groove.So, base 4 can slide along the last slide rail on the slide block 14, and slide block 10 can slide along the steel plate glidepath on the casing 17 in casing 9 again, and the glide direction of base 4 is vertical with the glide direction of slide block 10, make this bearing have the bidirectional displacement ability, have stronger shock resistance.Size at the both direction top offset can design as required, can realize bigger displacement, for example 350mm or bigger.

Influence bearing in the casing and normally use in order to prevent that dust or rainwater etc. from entering, be fixed with casing dust cover 8 on the sidewall of loam cake 1 side, dust cover 8 masks the boxboard on casing top and the gap between the loam cake 1.

On loam cake 1, the bottom, preventing that slide block 10, base 4 etc. slide in the bearing transportation in casing 9, is pulled down junction plate 20 after bearing installs during use and is got final product on casing 9 by screw by screw in junction plate 20 upper ends of bar shaped.

Claims

1, the movable two-way big displacement steel support of a kind of antidetonation, a loam cake and casing are arranged, a casing that Open Side Down is arranged at the loam cake bottom, a SMIS is arranged, a base top is stretched in the cavity of loam cake, base upper surface has the depression of arc, the SMIS bottom is positioned at above-mentioned depression, and the curved surfaces that described SMIS soffit matches for the arc depression with base upper surface, it is characterized in that: at bottom half a slide block is arranged, slide block is installed between the interior a pair of glidepath of casing and can slides in casing along slide rail; The slide block upper surface has vertical the last slide rail of glidepath in a pair of and the casing, and described base bottom is installed in the slide rail and can slides along slide rail, thereby makes base and casing generation bidirectional displacement.

2, the movable two-way big displacement steel support of antidetonation as claimed in claim 1, it is characterized in that: the curved surfaces of the depression on described SMIS soffit and the base is the hyperboloid of American football shape.

3, the movable two-way big displacement steel support of antidetonation as claimed in claim 1, it is characterized in that: the glidepath in the described casing is the horizontal flanges on two side wall inner surfaces of casing, the base that stretch out the oriented both sides, both sides of the corresponding slide rail in slide block bottom, flange cap is on the base of both sides, slide block bottom.

4, the movable two-way big displacement steel support of antidetonation as claimed in claim 1, it is characterized in that: the horizontal flanges on two sidewalls of described casing is the bar steel plate that is welded on two side wall inner surfaces of casing, and two right-angle sides that have triangle to strengthen gusset, triangle reinforcement gusset on steel plate top are welded in respectively on bar steel plate and the wall box.

5, the movable two-way big displacement steel support of antidetonation as claimed in claim 1, it is characterized in that: the last slide rail of described slide block upper surface is positioned on two limits of slide block, inside flange by the level on vertical Zhi Bi and Zhi Bi top constitutes, and flange fastens the base of stretching out to both sides below the above-mentioned base.

6, as the movable two-way big displacement steel support of described antidetonation one of in the claim 1 to 5, it is characterized in that: described slide block and/or base lower surface have at least one groove, in described groove polytetrafluoroethylene floor are housed.

7, as the movable two-way big displacement steel support of described antidetonation one of in the claim 1 to 5, it is characterized in that: between described SMIS and the base groove and/or between base and the loam cake polytetrafluoroethylene floor is being arranged.

8, as the movable two-way big displacement steel support of described antidetonation one of in the claim 1 to 5, it is characterized in that: be fixed with the casing dust cover on the sidewall of described loam cake, described casing dust cover covers on the upper surface of box plate at casing top.

9, as the movable two-way big displacement steel support of described antidetonation one of in the claim 1 to 5, it is characterized in that: on described, cover the junction plate that bar shaped is arranged by screw, the junction plate lower end by screw on casing.

10, as the movable two-way big displacement steel support of described antidetonation one of in the claim 1 to 5, it is characterized in that: described base stretches into the chimb that the interior part periphery of loam cake cavity has level, and the loam cake bottom has the horizontal chimb on inside receipts limit and base top to form concavo-convex tongue and groove interlock.