CN2388217Y

CN2388217Y - Two-way moving highway bridge basin-type rubber bearing

Info

Publication number: CN2388217Y
Application number: CN 99248010
Authority: CN
Inventors: 邢月英
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-24
Filing date: 1999-09-24
Publication date: 2000-07-19
Anticipated expiration: 2009-09-24

Abstract

The utility model relates to a two-way moving highway bridge basin type rubber bearing, which is characterized in that a stainless steel plate sliding plate, a tetrafluoride plate, a middle steel plate, a sealing ring, and a rubber plate are arranged between an upper bearing plate and a bottom basin; the bottom surface of the upper bearing plate is provided with a rectangle lug boss, and the four corners of the lug boss have 45 defrees chamfers; a bottom plate of the bottom basin forms a square shape; the four sides of the bottom plate are tangential to a round convex ring of the bottom basin to form a shape that the upper part is round and the lower part is square; the stainless steel sliding plate is arranged on the lug boss arranged on the bottom surface of the upper bearing plate, and the sliding plate is contacted with the top surface tetrafluoride plate; the tetrafluoride plate is arranged in an inner hole of the middle steel plate; the bottom surface of the middle steel plate is pressed on the sealing ring and the rubber plate; the sealing ring is embedded into the concave ring edge of the surface of the rubber plate to arrange in the bottom basin. The utility model has the advantages of compact structure, high bearing capability, the rotation angle and the displacement of the bearing enlarging, and the requirements of bridge construction with different tonnages and spans meeting.

Description

Two-way mobile highway bridge pot rubber bearing

The utility model relates to the highway bridge member, and concrete is a kind of two-way mobile highway bridge pot rubber bearing.

Communications and transportation plays crucial effects in development of the national economy development, it is mainstay of the national economy industry, highway transportation is the chief component of communications and transportation, highway construction be unable to do without bridge construction, in the highway bridge structure, be equiped with pot rubber bearing between bridge beam body and the Bridge Pier, to solve the Load Transfer between connecting elements, the beam-ends corner reaches the problem on deformation of direction in length and breadth, the pot rubber bearing of traditional structure uses for many years along practising, the prior art structural volume is bigger, supporting capacity is lower, bearing allows corner, displacement is all less, the demand of the highway bridge construction that incompatibility is growing is necessary its structure is improved, perfect, improve its performance.

The purpose of this utility model provide a kind of improved can two-way mobile Rubber Bearing of Highway and Bridge, make its compact conformation, improve supporting capacity, enlarge bearing corner and displacement, to satisfy the two-way mobile different tonnages and the demand of different spans bridge construction.

The purpose of this utility model is achieved in that

A kind of two-way mobile highway bridge pot rubber bearing, its structure comprises upper base plate, end basin, rubber tile; It is characterized in that:

Stainless steel slide plate, tetrafluoro plate, middle steel plate and sealing ring also are housed between upper base plate and end basin;

Upper base plate is rectangular tabular, and its top board bottom surface has rectangular boss and this boss four jiaos 45 ° of chamferings to be arranged, and on four angle planes outside this chamfering an installing hole is arranged respectively;

The stainless steel slide plate is rectangle and upper base plate bottom surface that chamfering is arranged has the rectangular boss of chamfering corresponding;

The tetrafluoro plate is the plectane that has the pure polytetrafluoroethylene (PTFE) material of round pool;

Middle steel plate is disc, and its end face has the external diameter of circular shallow bore hole and described tetrafluoro plate corresponding; Its degree of depth is less than the thickness of this tetrafluoro plate; Its cylindrical has the internal diameter of end circular hole less than end basin, and there is annular groove at this cylindrical middle part;

Basin of the described end is made up of the base plate and the last convex ring edge of disjunctor, last convex ring edge center is square for the end this base plate of circle is arranged, the tangent circle square shape down of presenting of the circular bulge loop of base plate four limits and end basin respectively has an anchor (bolt) hole on four angle planes between four jiaos of base plates and the bulge loop ring limit;

Described each other block position of part is:

Affixed stainless steel slide plate on the bottom surface boss of upper base plate, this slide plate contacts with the tetrafluoro plate top surface, the tetrafluoro plate is positioned over the endoporus of middle steel plate, the middle steel plate bottom surface is pressed and is touched in sealing ring and rubber tile, the recessed ring limit of the sub-rubber tile end face of sealing ring setting-in, the rubber tile that is contained in the end basin endoporus is sealed by end basin, sealing ring and middle steel plate.

Described stone bolt passes the base plate of end basin, is connected in the reeded foundation of a cylindrical with screw, is lined with the natural rubber packing ring of thickness 〉=2mm between foundation and base plate, and the construction preformed hole of the diameter of this foundation and length and bridge pier is corresponding.

The utility model has following actively useful effect:

1, volume compact;

2, the bearing supporting capacity is extended to 0.8MN-60MN by original 1000kN-20000kN, allows overload to be extended to 10% by original 5%.

3, enlarged the bearing corner, be extended to 0.02rad (1 ° 08 ') by original 0.01164rad (40`).

4, this product can be designed to supporting series of products, and the bridge that satisfies different tonnages and different spans uses.

Now in conjunction with the accompanying drawings:

Fig. 1 is the structural representation of the utility model one embodiment;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the structural representation of upper base plate among Fig. 1;

Fig. 4 is the upward view of Fig. 3;

Fig. 5 is the structural representation of stainless steel slide plate among Fig. 1;

Fig. 6 is the upward view of Fig. 5;

Fig. 7 is the structural representation of the middle steel plate among Fig. 1;

Fig. 8 is the vertical view of Fig. 7;

Fig. 9 is the structural representation of end basin among Fig. 1;

Figure 10 is the vertical view of Fig. 9;

Figure 11 is the structural representation of tetrafluoro plate among Fig. 1;

Figure 12 is the A-A partial sectional view of Figure 11;

Figure 13 is the structural representation of rubber tile among Fig. 1; The vertical view of 14 Figure 13;

Figure 15 is a kind of embodiment of stone bolt of the present utility model.

Accompanying drawing number:

1. upper base plate 101. top boards 102. boss

103. boss chamfering 104. four angle planes 105. installing holes

2. stainless steel slide plate 201. chamferings

3. tetrafluoro plate 301. pits

4. middle steel plate 401. circular shallow bore hole 402. annular grooves

5. sealing ring

6. rubber tile 601. is recessed into ring

7. convex ring edge on end basin 701. base plates 702.

703. end endoporus 704. four angle planes 705. installing holes are arranged

8. stone bolt 801. screws 802. foundation

803. gas ket 804. outer round recesseds (or protruding stupefied)

Please refer to Fig. 1, Fig. 2, highway bridge benzvalene form bi-directional movable neoprene bearing of the present utility model, its structure comprises upper base plate 1, end basin 7, rubber tile 6;

Stainless steel slide plate 2, tetrafluoro plate 3, middle steel plate 4 and sealing ring 5 also are housed between upper base plate 1 and end basin 7;

Please refer to Fig. 3, Fig. 4, upper base plate 1 is rectangular tabular, and the bottom surface of its top board 101 has rectangular boss 102 and this boss four jiaos 45 ° of chamferings 103 to be arranged, and on four angle planes 104 outside this chamfering 103 installing hole 105 is arranged respectively;

Please refer to Fig. 5, Fig. 6, stainless steel slide plate 2 is the rectangle 201 that chamfering is arranged has the rectangular boss 102 of chamfering corresponding with the upper base plate bottom surface;

Please refer to Figure 11, Figure 12, tetrafluoro plate 3 is covered with the plectane of the pure polytetrafluoroethylene (PTFE) material of pit for end face;

Please refer to Fig. 7, Fig. 8, middle steel plate 4 is disc, and its end face has circular shallow bore hole 401 corresponding with the external diameter of described tetrafluoro plate 3; Its degree of depth is less than the thickness of this tetrafluoro plate 3; Its cylindrical has the internal diameter of end circular hole 703 less than end basin, and there is annular groove at this cylindrical middle part;

Basin 7 of the described end is made up of the base plate 701 and the last convex ring edge 702 of disjunctor, last convex ring edge center is for there being end circular hole 703, this base plate 701 is square, the circular bulge loop of base plate four limits and end basin is tangent and present circle square shape down, and an anchor (bolt) hole 705 is respectively arranged on four angle planes 704 between four jiaos of base plates and the bulge loop ring limit;

Please refer to Fig. 1, Figure 13, Figure 14, described each other block position of part is:

Affixed on the bottom surface boss 102 of upper base plate 1 (weldering, riveting, bonding etc.) stainless steel slide plate 2, this slide plate 2 contacts with tetrafluoro plate 3 end faces, tetrafluoro plate 3 is positioned over the endoporus of middle steel plate 401, the middle steel plate bottom surface is pressed and is touched in sealing ring 5 and rubber tile 6, sealing ring 5 is flush-mounted in the recessed ring limit 601 of rubber tile 6 end faces, and the rubber tile that is contained in end basin 6 endoporus is sealed by end basin 7, sealing ring 5 and middle steel plate 4.

In the embodiment shown in fig. 15, described stone bolt 8 passes the base plate 701 of end basin, be connected in the foundation 802 of a cylindrical fluted 804 with screw 801, be lined with the natural rubber packing ring 803 of thickness 〉=2mm at

foundation

802 and 201 of base plates, the construction preformed hole of the diameter of this foundation 804 and length and bridge pier, abutment is corresponding.

Claims

1. two-way mobile highway bridge pot rubber bearing, its structure comprises upper base plate, end basin, rubber tile is characterized in that:

Basin of the described end is made up of the base plate and the last convex ring edge of disjunctor, last convex ring edge center is for there being end circular hole, this base plate is square, and the tangent circle square shape down of presenting of the circular bulge loop of base plate four limits and end basin respectively has an anchor (bolt) hole on four angle planes between four jiaos of base plates and the bulge loop ring limit;

Described each other block position of part is:

Affixed stainless steel slide plate on the bottom surface boss of upper base plate, this slide plate contacts with the tetrafluoro plate top surface, the tetrafluoro plate is positioned over the endoporus of middle steel plate, the middle steel plate bottom surface is pressed and is touched in sealing ring and rubber tile, sealing ring is flush-mounted in the recessed ring limit of rubber tile end face, and the rubber tile that is contained in the end basin endoporus is sealed by end basin, sealing ring and middle steel plate.

2, two-way mobile highway bridge pot rubber bearing as claimed in claim 1, it is characterized in that: described stone bolt passes the base plate of end basin, be connected in the reeded foundation of a cylindrical with screw, be lined with the natural rubber packing ring of thickness 〉=2mm between foundation and base plate, the construction preformed hole of the diameter of this foundation and length and bridge pier is corresponding.