CN202390756U - Ball type steel support - Google Patents
Ball type steel support Download PDFInfo
- Publication number
- CN202390756U CN202390756U CN2011205043772U CN201120504377U CN202390756U CN 202390756 U CN202390756 U CN 202390756U CN 2011205043772 U CN2011205043772 U CN 2011205043772U CN 201120504377 U CN201120504377 U CN 201120504377U CN 202390756 U CN202390756 U CN 202390756U
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- plate
- support plate
- lower support
- shaped steel
- ball shaped
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Abstract
The utility model discloses a ball type steel support which comprises an upper support plate, a lower support plate, a spherical cap lining plate, a spherical surface sliding plate and a plane sliding plate, wherein baffle plates are arranged at two sides in the length direction on the lower surface of the lower support plate and are blocked at the two sides of the lower support plate, guide strips are arranged between the baffle plates and the side wall of the lower support plate, first vertical side surfaces of the guide strips are installed on the side wall of the lower support plate, and second vertical side surfaces opposite to the first vertical side surfaces are in contact with the baffle plates. According to the utility model, the ultra-high molecular weight polyethylene sliding plates are embedded in one sides of the guide strips and form friction pairs together with stainless steel baffle plates on the side surface of the upper support plate, the other circularly arc-shaped side surfaces of the guide strips are connected with the side surface of the lower support plate by pins, and holes are in hole-basis fit with the guide strips and in axis-basis fit with the lower support plate so as to facilitate the rotation of the guide strips; plane contact stress existing between the baffle plates and the sliding plates can improve the stress property of the sliding material between the baffle plates and the sliding plates; in view of the structure, the size of the support is effectively reduced, the steel material is reduced, and the manufacturing cost is lowered.
Description
Technical field
The utility model relates to the bridge field, particularly relates to a kind of ball shaped steel bearing.
Background technology
What on railroad bridge, adopted in a large number is pot rubber bearing in the past, because aging, the problems such as seal approach of rubber in the steel basin of the rubber of pot rubber bearing itself make the current rail bridge extensively adopt ball shaped steel bearing.The ball shaped steel bearing of traditional structure follows use for many years; And the structure of ball shaped steel bearing commonly used mainly contains two kinds; A kind of is the unidirectional freely movable bearing shown in the GB17599-2009; Its structural representation is as shown in Figure 1, specifically comprises upper bracket plate 1, lower support plate 2 and is arranged on two spherical crown liner plates 3 between the seat board, between spherical crown liner plate 3 and upper bracket plate 1, is provided with the plane slide plate 4 of polytetrafluoroethylene (PTFE) material; Between spherical crown liner plate 3 and lower support plate 2, be provided with the sphere slide plate 5 of polytetrafluoroethylene (PTFE) material, the bearing of this structure can slide and rotate.Another kind of ball shaped steel bearing is the form of structure of tape guide ring; Its structural representation is as shown in Figure 2; Its structure is similar to the ball shaped steel bearing shown in the GB17599-2009; Comprise upper bracket plate 1, lower support plate 2, spherical crown liner plate 3, the plane slide plate 4 of polytetrafluoroethylene (PTFE) material and the sphere slide plate 5 of polytetrafluoroethylene (PTFE) material that same structure is provided with, its difference is that the stressed position between upper bracket plate 1 and the lower support plate 2 is provided with guide ring 6.
For the ball shaped steel bearing that provides among the GB17955-2009; In order to satisfy the rotating function of bearing; Can only the one-sided setting in slit between upper bracket plate 1 in the bearing and the lower support plate 2 is bigger; Do not satisfy the regulation in " 300～350 kilometers passenger dedicated railway lines designs of newly-built speed per hour temporary provisions ": " the horizontal relative displacement of rail fulcrum of ballastless track bridge adjacent beams beam-ends both sides not should greater than 1mm ", structure stress is the line contact stress simultaneously, and be unfavorable to sliding material.
For the ball shaped steel bearing form of structure with guide ring 6, being provided with of guide ring 6 improved the stressed of sliding material, but guide ring is applicable to the bridge that horizontally rotates requirement; Such as becoming the bridge deck width bridge; But railroad bridge is generally narrower, need not to adopt this form of structure, and the use of guide ring; Supporting stand size is bigger, and cost is high.
The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve provides a kind of structure of novel ball shaped steel bearing; Make it can overcome the defective of above-mentioned two kinds of ball shaped steel bearings simultaneously; Promptly overcome the adverse effect that structure stress causes sliding material, and do not enlarge the size of bearing, do not improve cost.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of ball shaped steel bearing, comprises upper bracket plate and lower support plate that stacked on top of one another is provided with; Be provided with the spherical crown liner plate between said upper bracket plate and the lower support plate; The sphere of said spherical crown liner plate and said lower support plate upper surface are suitable, are provided with the sphere slide plate between said spherical crown liner plate and the lower support plate, are provided with the plane slide plate between said spherical crown liner plate and the upper bracket plate; On the said upper bracket plate soffit; Both sides along its length direction have baffle plate, and said baffle wedge is provided with gib block in the both sides of lower support plate between said baffle plate and the lower support plate sidewall; The said gib block first perpendicular side is installed on the said lower support plate sidewall, and the second relative perpendicular side of the first perpendicular side contacts with said baffle plate.
Wherein, the surface of the said first perpendicular side is protruding cambered surface.
Wherein, correspondence offers at least two group shrinkage pools on the said first perpendicular side and the lower support plate, and every group of shrinkage pool links to each other through pin.
Wherein, the surface of the said second perpendicular side is a plane groove.
Wherein, be inlaid with side skid on the surface of the said second perpendicular side.
Wherein, said side skid is embedded on the said second perpendicular side through sunk screw.
Wherein, said baffle plate is a steel plate, and the material of said gib block is a steel.
(3) beneficial effect
The ball shaped steel bearing that technique scheme provided, gib block one side inlay side skid and upper bracket plate baffle plate side stainless steel baffle plate forms friction pair, and another circular arc side of gib block is connected with following seat board side with pin; Be plane contact stress between baffle plate and the side skid, can improve the mechanical characteristic that slides between the two; And the regulation in " 300～350 kilometers passenger dedicated railway lines designs of newly-built speed per hour temporary provisions " has been satisfied in the use of gib block: " the horizontal relative displacement of rail fulcrum of ballastless track bridge adjacent beams beam-ends both sides not should greater than 1mm "; From structure, effectively reduce supporting stand size simultaneously, saved steel, reduced cost.
Description of drawings
Fig. 1 is the structural representation of the ball shaped steel bearing shown in the GB17955-2009;
Fig. 2 is the structural representation that has the ball shaped steel bearing of guide ring in the prior art;
Fig. 3 is the partial structurtes enlarged drawing of the ball shaped steel bearing of the utility model embodiment with gib block;
Fig. 4 is the structural representation of gib block among the utility model embodiment.
Wherein, 1: the upper bracket plate; 2: lower support plate; 3: the spherical crown liner plate; 4: the plane slide plate; 5: the sphere slide plate; 6: guide ring; 7: gib block; 8: baffle plate; 9: the first perpendicular sides; 10: the second perpendicular sides.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Fig. 3 shows the partial structurtes sketch map of present embodiment ball shaped steel bearing; With reference to diagram; The ball shaped steel bearing of present embodiment comprises the upper bracket plate 1 and lower support plate 2 that stacked on top of one another is provided with; Be provided with spherical crown liner plate 3 between upper bracket plate 1 and the lower support plate 2, the sphere of spherical crown liner plate 3 and lower support plate 2 upper surfaces are suitable, are provided with sphere slide plate 5 between spherical crown liner plate 3 and the lower support plate 2; Be provided with plane slide plate 4 between spherical crown liner plate 3 and the upper bracket plate 1, plane slide plate 4 is the rare material of superhigh molecular weight polyethylene with sphere slide plate 5.On upper bracket plate 1 soffit; Both sides along its length direction have baffle plate 8; Baffle plate 8 is stuck in the both sides of lower support plate 2, is provided with gib block 7 between baffle plate 8 and lower support plate 2 sidewalls, and two sides of the gib block 7 that contacts respectively with lower support plate 2 and baffle plate 8 are defined as the first perpendicular side 9 and erect side 10 with second; The first perpendicular side 9 is installed on lower support plate 2 sidewalls, and the 9 second relative perpendicular sides 10, the first perpendicular side contact with baffle plate 8.
Rotation for the bearing of realizing present embodiment; The surface of the first perpendicular side 9 of gib block 7 preferably is set to protruding cambered surface; Correspondence offers at least two group shrinkage pool (not shown)s on the first perpendicular side 9 of this arc and lower support plate 2, and every group of shrinkage pool links to each other through pin.
In addition, the bearing of present embodiment must be able to be implemented in the slip of horizontal plane, and for this reason, the surface of the second perpendicular side 10 of gib block 7 is set to plane groove, and on the surface of the second perpendicular side 10, is inlaid with side skid.Side skid is embedded on the second perpendicular side 10 through sunk screw; Make the baffle plate 8 of the stainless steel of side skid and upper bracket plate 1 form the slip that friction pair is realized bearing; Contact stress between the sliding material is a plane contact stress; Sliding material is stressed good, and the durability of bearing is improved.
Can find out by above embodiment; The utility model embodiment is provided with gib block to overcome the infringement of line contact stress of the prior art to sliding material at the upper bracket plate of ball shaped steel bearing and the rotation contact position place of lower support plate; Replace the influence of guide ring simultaneously to supporting stand size and cost; Gib block one sideskid and upper bracket plate baffle plate side stainless steel baffle plate form friction pair, and another circular arc side of gib block is connected with following seat board side with pin; Be plane contact stress between baffle plate and the side skid, can improve the mechanical characteristic that slides between the two; And the regulation in " 300～350 kilometers passenger dedicated railway lines designs of newly-built speed per hour temporary provisions " has been satisfied in the use of gib block: " the horizontal relative displacement of rail fulcrum of ballastless track bridge adjacent beams beam-ends both sides not should greater than 1mm "; From structure, effectively reduce supporting stand size simultaneously, saved steel, reduced cost.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.
Claims (7)
1. a ball shaped steel bearing comprises upper bracket plate and lower support plate that stacked on top of one another is provided with, is provided with the spherical crown liner plate between said upper bracket plate and the lower support plate; The sphere of said spherical crown liner plate and said lower support plate upper surface are suitable; Be provided with the sphere slide plate between said spherical crown liner plate and the lower support plate, be provided with the plane slide plate between said spherical crown liner plate and the upper bracket plate, on the said upper bracket plate soffit; Both sides along its length direction have baffle plate; Said baffle wedge is characterized in that in the both sides of lower support plate, is provided with gib block between said baffle plate and the lower support plate sidewall; The said gib block first perpendicular side is installed on the said lower support plate sidewall, and the second relative perpendicular side of the first perpendicular side contacts with said baffle plate.
2. ball shaped steel bearing as claimed in claim 1 is characterized in that, the surface of the said first perpendicular side is protruding cambered surface.
3. ball shaped steel bearing as claimed in claim 1 is characterized in that, correspondence offers at least two group shrinkage pools on the said first perpendicular side and the lower support plate, and every group of shrinkage pool links to each other through pin.
4. ball shaped steel bearing as claimed in claim 1 is characterized in that, the surface of the said second perpendicular side is a plane groove.
5. ball shaped steel bearing as claimed in claim 1 is characterized in that, is inlaid with side skid on the surface of the said second perpendicular side.
6. ball shaped steel bearing as claimed in claim 5 is characterized in that, said side skid is embedded on the said second perpendicular side through sunk screw.
7. ball shaped steel bearing as claimed in claim 1 is characterized in that, said baffle plate is a steel plate, and the material of said gib block is a steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205043772U CN202390756U (en) | 2011-12-06 | 2011-12-06 | Ball type steel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205043772U CN202390756U (en) | 2011-12-06 | 2011-12-06 | Ball type steel support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202390756U true CN202390756U (en) | 2012-08-22 |
Family
ID=46665692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205043772U Expired - Lifetime CN202390756U (en) | 2011-12-06 | 2011-12-06 | Ball type steel support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202390756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352420A (en) * | 2013-06-14 | 2013-10-16 | 中铁工程设计咨询集团有限公司 | Basin type steel support |
| CN105507137A (en) * | 2015-11-30 | 2016-04-20 | 洛阳双瑞特种装备有限公司 | Spherical support used for steel truss bridge |
| CN105545057A (en) * | 2016-01-27 | 2016-05-04 | 云南昆钢钢结构股份有限公司 | Frictional-sliding-pendulum seismic isolation support with anti-lift-off function |
-
2011
- 2011-12-06 CN CN2011205043772U patent/CN202390756U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352420A (en) * | 2013-06-14 | 2013-10-16 | 中铁工程设计咨询集团有限公司 | Basin type steel support |
| CN103352420B (en) * | 2013-06-14 | 2016-02-03 | 中铁工程设计咨询集团有限公司 | A kind of basin type steel support |
| CN105507137A (en) * | 2015-11-30 | 2016-04-20 | 洛阳双瑞特种装备有限公司 | Spherical support used for steel truss bridge |
| CN105545057A (en) * | 2016-01-27 | 2016-05-04 | 云南昆钢钢结构股份有限公司 | Frictional-sliding-pendulum seismic isolation support with anti-lift-off function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |