CN202227265U - Comb tooth type bridge retracting device - Google Patents
Comb tooth type bridge retracting device Download PDFInfo
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- CN202227265U CN202227265U CN2011203764733U CN201120376473U CN202227265U CN 202227265 U CN202227265 U CN 202227265U CN 2011203764733 U CN2011203764733 U CN 2011203764733U CN 201120376473 U CN201120376473 U CN 201120376473U CN 202227265 U CN202227265 U CN 202227265U
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- plate
- spherical crown
- movable comb
- electrode structure
- comb tooth
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Abstract
The utility model belongs to the technical field of retracting devices and discloses a comb tooth type bridge retracting device. The comb tooth type bridge retracting device is mainly characterized by comprising a first beam and a second beam, wherein the first beam is provided with a movable comb tooth plate, and the second beam is provided with a fixed comb tooth plate. A sealing strip is arranged between the first beam and the second beam, a support plate fixed with the first beam is arranged below the movable comb tooth plate, an elastic spherical-cap support is arranged on the top of the support plate, a groove is arranged at the bottom of the movable comb tooth plate, and a wear-resistant plate matched with the elastic spherical-cap support is arranged in the groove. According to the above structure, damages to the comb tooth type bridge retracting device due to the fact that the beams are transversely shaken under the action of external force including wind force and the like can be effectively avoided, so that vehicles can safely pass. When ends of the beams rise or sink, the relative position of the retracting device is adjusted by the movable comb tooth plate through rotation matching of the elastic spherical-cap support and the wear-resistant plate so as to adapt to vertical corners of the beams, and accordingly, the vehicles can pass stably.
Description
Technical field
The utility model belongs to the stretching device technical field, relates in particular to a kind of interdigitated electrode structure bridge extension joint.
Background technology
Follow the rapid development of China's economy, the span of highway bridge is also increasing, and steel case beam has become the main flow of Longspan Bridge.Because the variation of span and tank material derives some drawbacks at joint of bridge position; For example: beam-ends can produce rising or sinking, girder meeting transverse shakiness under external force effects such as wind-force, problems such as beam-ends generation slight inclination because of deflection deformation under the car load effect.In existing bridge extension joint, the interdigitated electrode structure stretching device that adopts the fixed fingers plate to cooperate with movable comb plate is a kind of preferably.Traditional interdigitated electrode structure stretching device can not be eliminated lateral displacement that girder takes place on the one hand the spacing property structure formation of stretching device is damaged under external force effects such as wind-force; On the other hand, under the vehicular load effect, beam body deflection deformation can produce certain upper and lower displacement at beam-ends; The broach of movable pecten can not compacting beam body; This moment, vehicle weight even can cause the damage of whole stretching device, the harm traffic safety.
The utility model content
The technical problem that the utility model will solve just provides a kind of effective cooperation that can guarantee each parts of stretching device at any time, makes the steadily current interdigitated electrode structure bridge extension joint of vehicle.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: comprise the first beam body that is provided with movable comb plate, the second beam body that is provided with the fixed fingers plate; Be provided with weather strip between the first beam body, the second beam body, described movable comb plate is arranged with a seat board that fixes with the first beam body, and a seat board top is provided with the spherical crown elastic support; Movable comb plate bottom has groove, is provided with the wearing plate that is complementary with the spherical crown elastic support in the groove.
Its additional technical feature is: the top of described spherical crown elastic support is protruding spherical crown and is provided with protruding sphere corrosion resistant plate that the wearing plate in the groove is a concave spherical surface high molecular abrasion-proof plate;
The top of described spherical crown elastic support is protruding spherical crown and is provided with protruding sphere high molecular abrasion-proof plate that the wearing plate in the groove is the concave spherical surface corrosion resistant plate;
The top of described spherical crown elastic support is recessed spherical crown and is provided with the concave spherical surface corrosion resistant plate that the wearing plate in the groove is protruding sphere high molecular abrasion-proof plate;
The top of described spherical crown elastic support is recessed spherical crown and is provided with concave spherical surface high molecular abrasion-proof plate that the wearing plate in the groove is protruding sphere corrosion resistant plate;
Described seat board is the L type;
Be provided with the bulb alignment pin between a described movable comb plate and the seat board;
Connect through set bolt between described movable comb plate and the seat board, the set bolt bottom is provided with rubber-spring complex;
Described movable comb plate is a rounding with the side that contacts of a seat board;
Described rounding place is cast with the macromolecule elastic body.
A kind of interdigitated electrode structure bridge extension joint that the utility model provided; Compared with prior art; Movable comb plate is arranged with a seat board that fixes with the first beam body; Prop up the seat board top and be provided with the spherical crown elastic support, movable comb plate bottom has groove, is provided with the wearing plate that is complementary with the spherical crown elastic support in the groove.Like this; When the first beam body, when the second beam body rocks; The middle tooth plate of stretching device can take place laterally to move by the cylinder that button shape connects with the first beam body, the second beam body; The damage that avoided the first beam body effectively, when the second beam body under external force effects such as wind-force transverse shakiness takes place stretching device is caused guarantees that vehicle safety passes through.When the first beam body, the second beam end of body rise or sink; Movable comb plate is regulated the relative position of stretching device through being rotatably assorted of spherical crown elastic support and wearing plate; To adapt to the vertical corner of the first beam body, the second beam body; Promote the stationarity of vehicle pass-through, the contact surface of spherical crown elastic support revolute pair is a sphere, can guarantee that vehicle ' is more steady.Because the vehicular load effect causes the first beam body, when the second beam body upwarps; Rotation has also taken place by buckle structure in tooth plate in the middle of corresponding; Guaranteed that middle tooth plate still is attached on the first beam body, the second beam body; Can not upwarp, avoid effectively because the weight of vehicle and destruction that movable comb plate and even whole stretching device are caused.
As required; But the top of spherical crown elastic support is protruding spherical crown and is provided with protruding sphere corrosion resistant plate; Wearing plate in the groove is a concave spherical surface high molecular abrasion-proof plate, but also the top of spherical crown elastic support is protruding spherical crown and is provided with protruding sphere high molecular abrasion-proof plate, and the wearing plate in the groove is the concave spherical surface corrosion resistant plate; Also but the top of spherical crown elastic support is recessed spherical crown and is provided with the concave spherical surface corrosion resistant plate; Wearing plate in the groove is protruding sphere high molecular abrasion-proof plate, but also the top of spherical crown elastic support is recessed spherical crown and is provided with concave spherical surface high molecular abrasion-proof plate, and the wearing plate in the groove is protruding sphere corrosion resistant plate.In order to make rotation more flexible, can be coated with last layer lubricating grease at the contact surface of spherical crown elastic support and wearing plate.And a seat board is the L type, can stop the gap between a concrete inflow activity comb plate and the seat board when mounted, guarantees installation quality.Be provided with the bulb alignment pin between a movable comb plate and the seat board, the rotation of ability adaptive act comb plate in the location.Movable comb plate connects through set bolt with propping up between the seat board, and the set bolt bottom is provided with rubber-spring complex, but the rotation of adaptive act comb plate.Movable comb plate is a rounding with the side that contacts of a seat board, the interference of propping up seat board in the time of avoiding movable comb plate to rotate.The rounding place is cast with the macromolecule elastic body, and waterproof action is arranged.
Description of drawings
Fig. 1 is the plan structure sketch map of a kind of interdigitated electrode structure bridge extension joint of the utility model;
Fig. 2 is that A-A of Fig. 1 is to sectional view;
Fig. 3 is that B-B of Fig. 1 is to sectional view.
The specific embodiment
Further specify below in conjunction with the structure of accompanying drawing a kind of interdigitated electrode structure bridge extension joint that the utility model provided.
As shown in Figure 1, a kind of interdigitated electrode structure bridge extension joint of the utility model comprises movable comb plate 1 and fixed fingers plate 2.As shown in Figure 2, movable comb plate 1 one ends are fixed on the first beam body 3, the other end is arranged on the second beam body 4 and also can moves with respect to the second beam body 4, and the fixed fingers plate is fixed on the second beam body 4; The first beam body 3,4 of the second beam bodies are provided with weather strip 5; Movable comb plate 1 is arranged with a seat board 6 that fixes with the first beam body 3, and a seat board 6 is the L type, and seat board 6 top is provided with spherical crown elastic support 7; The top of spherical crown elastic support 7 is protruding spherical crown and is provided with protruding sphere high molecular abrasion-proof plate 8; Movable comb plate 1 bottom has groove 9, is provided with the wearing plate 10 that the protruding sphere high molecular abrasion-proof plate 8 with spherical crown elastic support 7 is complementary in the groove 9, and wearing plate 10 is the concave spherical surface corrosion resistant plate; Movable comb plate 1 connects through set bolt 11 with propping up between the seat board 6, and set bolt 11 bottoms are provided with rubber-spring complex 12.As shown in Figure 3, movable comb plate 1 is a rounding 13 with the side that contacts of a seat board 6, and rounding 13 places are cast with macromolecule elastic body 14, is provided with bulb alignment pin 15 between a movable comb plate 1 and the seat board 6.
A kind of interdigitated electrode structure bridge extension joint that the utility model provided; When the first beam body 3, when the second beam body 4 rocks; The cylinder that the middle tooth plate of stretching device connects by button shape can take place laterally to move with the first beam body 3, the second beam body 4; The damage that avoided the first beam body 3 effectively, when the second beam body 4 under external force effects such as wind-force transverse shakiness takes place stretching device is caused guarantees that vehicle safety passes through.On the first beam body 3, the second beam body, 4 ends, rise or when sinking; Movable comb plate 1 is regulated the relative position of stretching device through spherical crown elastic support 7 and being rotatably assorted of wearing plate 10; To adapt to the vertical corner of the first beam body 3, the second beam body 4; Promote the stationarity of vehicle pass-through, the contact surface of spherical crown elastic support 7 revolute pairs is a sphere, can guarantee that vehicle ' is more steady.Because the vehicular load effect causes the first beam body 3, when the second beam body 4 upwarps; Rotation has also taken place by buckle structure in tooth plate in the middle of corresponding; Guaranteed that middle tooth plate still is attached on the first beam body 3, the second beam body 4; Can not upwarp, avoid effectively because the weight of vehicle and destruction that movable comb plate 1 and even whole stretching device are caused.
And a seat board 6 is the L type, can stop the gap between a concrete inflow activity comb plate 1 and the seat board 6 when mounted, guarantees installation quality.Be provided with bulb alignment pin 15 between a movable comb plate 1 and the seat board 6, the rotation of ability adaptive act comb plate 1 in the location.Movable comb plate 1 connects through set bolt 11 with propping up between the seat board 6, and set bolt 11 bottoms are provided with rubber-spring complex 12, but the rotation of adaptive act comb plate 1.Movable comb plate 1 is a rounding 13 with the side that contacts of a seat board 6, the interference of propping up seat board 6 in the time of avoiding movable comb plate 1 to rotate.Rounding 13 places are cast with macromolecule elastic body 14, and waterproof action is arranged.
A kind of interdigitated electrode structure bridge extension joint that the utility model provided is not limited only to said structure; As required; But the top of spherical crown elastic support 7 is protruding spherical crown and is provided with protruding sphere corrosion resistant plate; Wearing plate 10 in the groove 9 is a concave spherical surface high molecular abrasion-proof plate, but also the top of spherical crown elastic support 7 is recessed spherical crown and is provided with the concave spherical surface corrosion resistant plate, and the wearing plate 10 in the groove 9 is protruding sphere high molecular abrasion-proof plate; Also but the top of spherical crown elastic support 7 is recessed spherical crown and is provided with concave spherical surface high molecular abrasion-proof plate, and the wearing plate 10 in the groove 9 is protruding sphere corrosion resistant plate.In order to make rotation more flexible, can be coated with last layer lubricating grease at the contact surface of spherical crown elastic support 7 and wearing plate 10.But,, all fall into the utility model protection domain so long as movable comb plate 1 is arranged with the design of spherical crown elastic support 7 no matter be which kind of form.
Claims (10)
1. interdigitated electrode structure bridge extension joint; Comprise the first beam body that is provided with movable comb plate, the second beam body that is provided with the fixed fingers plate; Be provided with weather strip between the first beam body, the second beam body, it is characterized in that: described movable comb plate is arranged with a seat board that fixes with the first beam body, and a seat board top is provided with the spherical crown elastic support; Movable comb plate bottom has groove, is provided with the wearing plate that is complementary with the spherical crown elastic support in the groove.
2. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: the top of described spherical crown elastic support is protruding spherical crown and is provided with protruding sphere corrosion resistant plate that the wearing plate in the groove is a concave spherical surface high molecular abrasion-proof plate.
3. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: the top of described spherical crown elastic support is protruding spherical crown and is provided with protruding sphere high molecular abrasion-proof plate that the wearing plate in the groove is the concave spherical surface corrosion resistant plate.
4. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: the top of described spherical crown elastic support is recessed spherical crown and is provided with the concave spherical surface corrosion resistant plate that the wearing plate in the groove is protruding sphere high molecular abrasion-proof plate.
5. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: the top of described spherical crown elastic support is recessed spherical crown and is provided with concave spherical surface high molecular abrasion-proof plate that the wearing plate in the groove is protruding sphere corrosion resistant plate.
6. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: described seat board is the L type.
7. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: be provided with the bulb alignment pin between a described movable comb plate and the seat board.
8. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: connect through set bolt between described movable comb plate and the seat board, the set bolt bottom is provided with rubber-spring complex.
9. a kind of interdigitated electrode structure bridge extension joint according to claim 1 is characterized in that: described movable comb plate is a rounding with the side that contacts of a seat board.
10. a kind of interdigitated electrode structure bridge extension joint according to claim 9 is characterized in that: described rounding place is cast with the macromolecule elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203764733U CN202227265U (en) | 2011-09-29 | 2011-09-29 | Comb tooth type bridge retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203764733U CN202227265U (en) | 2011-09-29 | 2011-09-29 | Comb tooth type bridge retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202227265U true CN202227265U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203764733U Expired - Lifetime CN202227265U (en) | 2011-09-29 | 2011-09-29 | Comb tooth type bridge retracting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202227265U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926322A (en) * | 2012-11-06 | 2013-02-13 | 济南城建集团有限公司 | Construction method, hoisting tool, location tire and location support for installing comb-tooth-shaped expansion joint |
| CN105507140A (en) * | 2016-01-14 | 2016-04-20 | 山东省路桥集团有限公司 | Integrated integral installation comb plate expansion joint device and construction method |
| CN107858919A (en) * | 2017-12-12 | 2018-03-30 | 衡水双盛工程橡胶有限公司 | A kind of novel fabricated bridge extension joint |
| CN111139735A (en) * | 2020-03-10 | 2020-05-12 | 河北远征环保科技有限公司 | Bridge expansion device |
-
2011
- 2011-09-29 CN CN2011203764733U patent/CN202227265U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926322A (en) * | 2012-11-06 | 2013-02-13 | 济南城建集团有限公司 | Construction method, hoisting tool, location tire and location support for installing comb-tooth-shaped expansion joint |
| CN105507140A (en) * | 2016-01-14 | 2016-04-20 | 山东省路桥集团有限公司 | Integrated integral installation comb plate expansion joint device and construction method |
| CN105507140B (en) * | 2016-01-14 | 2017-02-01 | 山东省路桥集团有限公司 | Integrated integral installation comb plate expansion joint device and construction method |
| CN107858919A (en) * | 2017-12-12 | 2018-03-30 | 衡水双盛工程橡胶有限公司 | A kind of novel fabricated bridge extension joint |
| CN111139735A (en) * | 2020-03-10 | 2020-05-12 | 河北远征环保科技有限公司 | Bridge expansion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hengshui City, Hebei Province, 053000 North Park industrial base Taocheng District Road No. 9 Patentee after: Heng an Polytron Technologies Inc Address before: 053000 Daqing East Road, Hebei, China, No. 27, No. Patentee before: Hengshui Rubber Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |