CN203229871U - Unit type changeable-position comb plate bridge telescoping device - Google Patents
Unit type changeable-position comb plate bridge telescoping device Download PDFInfo
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- CN203229871U CN203229871U CN 201320399037 CN201320399037U CN203229871U CN 203229871 U CN203229871 U CN 203229871U CN 201320399037 CN201320399037 CN 201320399037 CN 201320399037 U CN201320399037 U CN 201320399037U CN 203229871 U CN203229871 U CN 203229871U
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- China
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- comb plate
- extension joint
- loam cake
- bridge extension
- plucking
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Abstract
The utility model belongs to the technical field of a bridge telescoping device, and discloses a unit type changeable-position comb plate bridge telescoping device. The unit type changeable-position comb plate bridge telescoping device is mainly characterized in that technologically: the unit type changeable-position comb plate bridge telescoping device comprises a fixed comb plate and a movable comb plate; the fixed comb plate is fixed with a beam body through a first connecting mechanism; the back part of the movable comb plate is connected with an abutment through a second connecting mechanism; a displacement tank which is connected with the abutment is provided in front of the second connecting mechanism; the displacement tank is internally provided with an anti-pulling ball type bracket; the anti-pulling ball type bracket is composed of a base with a spherical dent upper surface, a core of which the lower surface is a spherical convex surface that is matched with the upper surface of the base, and an upper cover. A first anti-pulling edge is provided above the base. A second anti-pulling edge which is matched with the first anti-pulling edge is provided behind the upper cover. The upper cover is fixed with the movable comb plate through connecting bolts. Three-dimensional position changing is realized through a spherical pair hinging buckle device. Simultaneously under the twisting function of a complicated combined force of the forces in a plurality of directions, deformation requirement of the bridge can be satisfied.
Description
Technical field
The utility model belongs to the bridge extension joint technical field, relates to modular changeable position comb plate bridge extension joint specifically.
Background technology
Bridge extension joint is in order to make vehicle steadily by bridge floor and satisfy the needs of bridge deck structure distortion, the general name of the device that arranges at bridge floor expansion joint place.Present bridge extension joint mainly contains modulus formula stretching device, the board-like stretching device of common broach and has the board-like stretching device of broach of vertical rotating shaft.
Modulus formula stretching device is whole gridiron structure, it mainly is made up of central sill, side bar, supporting traverse, bearing and rubber fastening band, supporting traverse and central sill are by compressing bearing and the pressure-bearing bearing is linked together by the rigidity bolt, there is following defective in this stretching device: one, device can not satisfy lateral deflection, when the bridge beam body occurred level moves or during horizontal movement, cause bearing distortion impaired or come off, central sill and side bar occur and pull the damage phenomenon, produce big displacement and sector deformed at girder steel one end; Its two, can not satisfy the vertical deflection requirement, when vertical corner appearred in the beam body, the bearing below the central sill was subjected to bigger shearing force, thereby causes the bearing breakage to come off, and caused that central sill sinks and even fracture; Its three, it is big to install suffered impact force, the maintain and replace difficulty is big, all interruptions of communication during replacing.
Common comb plate bridge extension joint is directly fixed comb plate and beam slab with the expansion bolt anchoring or with plantation bolt mode at the beam end of body, by exporting the needs that freely stretch that the beam body is satisfied in the gap of reserving along the bridge, but because structural reason, there is following defective: one, stretching device can not satisfy the lateral deflection requirement, and when bridge beam body generation lateral rotation, it is stressed to interact between the comb plate, set bolt is formed bigger shearing force, and bolt ruptures easily; Its two, device can not satisfy the vertical deflection requirement, this installs no vertical rotating function, only device is fixed on the bridge floor of beam-ends with rivet, when vertical deflection took place device, device formed big pulling capacity by rivet to the beam body, caused nut loosening or come off; When the frequent vibration load action is on device, can cause device flexural deformation, comb plate to fracture again, very easily cause traffic accident.
The board-like stretching device of broach that has vertical rotating shaft, this stretching device is provided with the elongated vertical rotating shaft of direction across bridge in the horizontal plane, equal the level angle of beam body is linked as integral body, amplified the level angle angle virtually, can't satisfy instructions for use, and concrete and comb plate are for being rigidly connected, and the lateral rotation shearing force directly acts on concrete, and concrete is damaged; Because be subjected to the vertical influence that is positioned at the space of rotating, comb plate directly contacts with concrete, rotating shaft has become reinforcing bar, in case vertical the rotation taken place, concrete is formed great shear failure, simultaneously bolt is formed bigger pulling capacity.
The utility model content
The technical problem that the utility model solves just provides and a kind ofly satisfies multi-directional deflection such as horizontal, vertical, vertical and require, can automatically reset, change and safeguard modular changeable position comb plate bridge extension joint convenient, that be easy to construct.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is: comprise fixed fingers plate and movable comb plate, described fixed fingers plate is fixed by first bindiny mechanism and beam body, described movable comb plate rear is connected by second bindiny mechanism with abutment, be provided with the displacement case that is connected with abutment in the place ahead of described second bindiny mechanism, in described displacement case, be provided with the resistance to plucking spherical bearing, this resistance to plucking spherical bearing is the base of ball impression face by upper surface, soffit is to form with core body and the loam cake of the ball convex surface of base upper surface coupling, have the first resistance to plucking edge in described base top, be provided with and the second resistance to plucking edge of this first resistance to plucking along coupling in described loam cake lower end, this loam cake is fixed by connecting bolt and described movable comb plate.
Its additional technical feature is:
Between described base and the core body, have first friction pair and second friction pair respectively between core body and the loam cake;
Described first bindiny mechanism comprises the set bolt that is connected with beam body reinforcing bar, be positioned at this set bolt top the sleeve that has internal thread and with the fastening bolt of the internal thread coupling of this sleeve;
Described second bindiny mechanism comprises the following anchor bolt that is connected with beam body reinforcing bar, be positioned at this time anchor bolt top second sleeve that has internal thread and with second fastening bolt of the internal thread coupling of this second sleeve;
Between the casing of described displacement case and loam cake, be provided with the damping damping spring;
Below described loam cake the jacking block of resetting is arranged, described damping damping spring is at the casing of described displacement case and reset between the jacking block;
Described damping damping spring is four;
Between the beam body below the described movable comb plate and abutment, be provided with waterstop;
Broach end face and root notch seamed edge place at described movable comb plate and fixed fingers plate are provided with chamfering.
The modular changeable position comb plate bridge extension joint that the utility model provides, compare with prior art and to have the following advantages: one, owing to comprise fixed fingers plate and movable comb plate, described fixed fingers plate is fixed by first bindiny mechanism and beam body, described movable comb plate rear is connected by second bindiny mechanism with abutment, be provided with the displacement case that is connected with abutment in the place ahead of described second bindiny mechanism, in described displacement case, be provided with the resistance to plucking spherical bearing, this resistance to plucking spherical bearing is the base of ball impression face by upper surface, soffit is to form with core body and the loam cake of the ball convex surface of base upper surface coupling, have the first resistance to plucking edge in described base top, be provided with and the second resistance to plucking edge of this first resistance to plucking along coupling in described loam cake lower end, this loam cake is fixed by connecting bolt and described movable comb plate, realize the displacement of three-dimensional by spherical pair hinge buckle device, under the complexity of a plurality of directions is made a concerted effort the distortion effect, also can satisfy the demand of bridge deformation simultaneously; Its two owing between described base and the core body, have first friction pair and second friction pair respectively between core body and the loam cake, prolonged the application life of bearing, reduced between base and the core body, frictional force between core body and the loam cake; They are three years old, because described first bindiny mechanism comprises the set bolt that is connected with beam body reinforcing bar, be positioned at the sleeve that has internal thread of this set bolt top and the fastening bolt that mates with the internal thread of this sleeve, set bolt and sleeve are embedded in the concrete, and the fixed fingers plate fixed by fastening bolt, installing and changing the fixed fingers plate, do not need set bolt is taken out from concrete, it is convenient not only to change, but also do not destroy original structure, reduced replacement cost, avoided that bonding strength reduces behind the replacing comb plate; They are four years old, because described second bindiny mechanism comprises the following anchor bolt that is connected with beam body reinforcing bar, be positioned at second sleeve that has internal thread of this play anchor bolt top and second fastening bolt that mates with the internal thread of this second sleeve, movable comb plate replacing is convenient; Its five owing between the casing of described displacement case and loam cake, be provided with the damping damping spring; Reduced the dither effect of loads such as vehicle effectively, and have after the unloading from reset function; Its six owing to below described loam cake the jacking block of resetting is arranged, described damping damping spring is at the casing of described displacement case and reset between the jacking block and described damping damping spring is four, reset function is stronger; They are seven years old, owing between the beam body below the described movable comb plate and abutment, be provided with waterstop, improved the water-proof function of stretching device, and waterstop is arranged on the comb plate below, avoid the irradiation of UV sunlight to waterstop, prolonged the application life of waterstop; Its eight owing to be provided with chamfering at broach end face and the root notch seamed edge place of described movable comb plate and fixed fingers plate, reduced the structure contact surface effectively rapidly excessively to the impact shock of bridge and vehicle.
Description of drawings
Fig. 1 is the structural representation of striding the modular changeable position of seam formula comb plate bridge extension joint;
Fig. 2 is the A of Fig. 1---the A sectional view;
Fig. 3 is the B of Fig. 1---the B sectional view;
Fig. 4 is the structural representation of the modular changeable position of junction of the edges of two sheets of paper formula comb plate bridge extension joint;
Fig. 5 is the C of Fig. 4---the C sectional view.
The specific embodiment
The structure of the modular changeable position comb plate bridge extension joint that the utility model is proposed below in conjunction with accompanying drawing is described further.
As depicted in figs. 1 and 2, for striding the structural representation of the modular changeable position of seam formula comb plate bridge extension joint.Its structure comprises fixed fingers plate 1 and movable comb plate 2, fixed fingers plate 1 is fixing with beam body 4 by first bindiny mechanism 3, movable comb plate 2 rears are connected by second bindiny mechanism 6 with abutment 5, be provided with the displacement case 7 that is connected with abutment 5 in the place ahead of second bindiny mechanism 6, in displacement case 7, be provided with resistance to plucking spherical bearing 8, this resistance to plucking spherical bearing 8 is the base 81 of ball impression face by upper surface, soffit is to form with core body 82 and the loam cake 83 of the ball convex surface of the upper surface of base 81 coupling, have first resistance to plucking along 84 in base 81 tops, be provided with in the lower end of loam cake 83 with this first resistance to plucking along second resistance to pluckings of 84 couplings along 85, this loam cake 83 is fixed by connecting bolt 86 and movable comb plate 2, realize the displacement of three-dimensional by spherical pair hinge buckle device, under the complexity of a plurality of directions is made a concerted effort the distortion effect, also can satisfy the demand of bridge deformation simultaneously.As shown in Figure 4 and Figure 5, the changeable position of first formula comb plate bridge extension joint also can be the modular changeable position of junction of the edges of two sheets of paper formula comb plate bridge extension joint.
Between base 81 and the core body 82, have first friction pair 87 and second friction pair 88 respectively between core body 82 and the loam cake 83, prolonged the application life of bearing, reduced between base 81 and the core body 82, frictional force between core body 82 and the loam cake 83.
First bindiny mechanism 3 comprise the set bolt 31 that is connected with beam body reinforcing bar 9, the sleeve that has internal thread 32 that is positioned at these set bolt 31 tops and with the fastening bolt 33 of the internal thread coupling of this sleeve 32, set bolt 31 and sleeve 32 are embedded in the concrete, and it is fixed fingers plate 1 is fixing by fastening bolt 33, installing and changing the fixed fingers plate, do not need set bolt is taken out from concrete, it is convenient not only to change, but also do not destroy original structure, reduced replacement cost, avoided that bonding strength reduces behind the replacing comb plate.
As shown in Figure 3, between the casing of displacement case 7 and loam cake 83, be provided with damping damping spring 10; Reduced the dither effect of loads such as vehicle effectively, and have after the unloading from reset function.The jacking block of resetting 11 is arranged below loam cake 83, and damping damping spring 10 is at the casing of displacement case 7 and reset between the jacking block 11, and damping damping spring 10 is four, and reset function is stronger.
Between the beam body below the movable comb plate 2 and abutment, be provided with waterstop 12, improved the water-proof function of stretching device, and waterstop is arranged on comb plate below, avoided the irradiation of UV sunlight to waterstop, prolonged the application life of waterstop.
Protection domain of the present utility model not only is confined to above-described embodiment, as long as structure is identical with the modular changeable position of the utility model comb plate bridge extension joint structure, just drops on the scope of the utility model protection.
Claims (8)
1. modular changeable position comb plate bridge extension joint, comprise fixed fingers plate and movable comb plate, described fixed fingers plate is fixed by first bindiny mechanism and beam body, described movable comb plate rear is connected by second bindiny mechanism with abutment, be provided with the displacement case that is connected with abutment in the place ahead of described second bindiny mechanism, in described displacement case, be provided with the resistance to plucking spherical bearing, this resistance to plucking spherical bearing is the base of ball impression face by upper surface, soffit is to form with core body and the loam cake of the ball convex surface of base upper surface coupling, have the first resistance to plucking edge in described base top, be provided with and the second resistance to plucking edge of this first resistance to plucking along coupling in described loam cake lower end, this loam cake is fixed by connecting bolt and described movable comb plate, it is characterized in that: between described base and core body, have first friction pair and second friction pair between core body and the loam cake respectively.
2. modular changeable position according to claim 1 comb plate bridge extension joint is characterized in that: described first bindiny mechanism comprises the set bolt that is connected with beam body reinforcing bar, the sleeve that has internal thread that is positioned at this set bolt top and the fastening bolt that mates with the internal thread of this sleeve.
3. modular changeable position according to claim 1 comb plate bridge extension joint is characterized in that: second fastening bolt that described second bindiny mechanism comprises the following anchor bolt that is connected with beam body reinforcing bar, be positioned at second sleeve that has internal thread above this play anchor bolt and mate with the internal thread of this second sleeve.
4. modular changeable position according to claim 1 comb plate bridge extension joint is characterized in that: be provided with the damping damping spring between the casing of described displacement case and loam cake.
5. modular changeable position according to claim 4 comb plate bridge extension joint is characterized in that: below described loam cake the jacking block of resetting is arranged, described damping damping spring is at the casing of described displacement case and reset between the jacking block.
6. modular changeable position according to claim 5 comb plate bridge extension joint, it is characterized in that: described damping damping spring is four.
7. modular changeable comb plate bridge extension joint according to claim 1 is characterized in that: be provided with waterstop between the beam body below the described movable comb plate and abutment.
8. modular changeable position according to claim 1 comb plate bridge extension joint, it is characterized in that: broach end face and root notch seamed edge place at described movable comb plate and fixed fingers plate are provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320399037 CN203229871U (en) | 2013-07-05 | 2013-07-05 | Unit type changeable-position comb plate bridge telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320399037 CN203229871U (en) | 2013-07-05 | 2013-07-05 | Unit type changeable-position comb plate bridge telescoping device |
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| CN203229871U true CN203229871U (en) | 2013-10-09 |
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| CN 201320399037 Expired - Fee Related CN203229871U (en) | 2013-07-05 | 2013-07-05 | Unit type changeable-position comb plate bridge telescoping device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835229A (en) * | 2014-03-11 | 2014-06-04 | 贵州省交通规划勘察设计研究院股份有限公司 | Self-adaptive multidirectional dislocation method and self-adaptive multidirectional dislocation device for retractable device |
| CN105926432A (en) * | 2016-04-27 | 2016-09-07 | 陕西鸿博百川工程材料有限公司 | Standardized unit-type self-adaptive comb plate shaped expansion device and installation method thereof |
| CN106996079A (en) * | 2017-05-23 | 2017-08-01 | 成都市新筑路桥机械股份有限公司 | The board-like retractor device of new antivibration noise abatement multi-directional deflection broach and its installation method |
| CN108149568A (en) * | 2018-01-31 | 2018-06-12 | 单国珠 | The board-like bridge extension joint of life-cycle non-bolt multi-directional deflection broach and method |
| CN110080100A (en) * | 2019-06-03 | 2019-08-02 | 西安中交万向科技股份有限公司 | A kind of bridge extension joint that can be realized greatly across seam and pressing plate and method |
| CN111021239A (en) * | 2018-10-09 | 2020-04-17 | 河北建业工程橡胶有限公司 | Comb plate bridge expansion device capable of being replaced quickly |
-
2013
- 2013-07-05 CN CN 201320399037 patent/CN203229871U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835229A (en) * | 2014-03-11 | 2014-06-04 | 贵州省交通规划勘察设计研究院股份有限公司 | Self-adaptive multidirectional dislocation method and self-adaptive multidirectional dislocation device for retractable device |
| CN105926432A (en) * | 2016-04-27 | 2016-09-07 | 陕西鸿博百川工程材料有限公司 | Standardized unit-type self-adaptive comb plate shaped expansion device and installation method thereof |
| CN105926432B (en) * | 2016-04-27 | 2017-07-25 | 西咸新区鸿博新材料科技有限公司 | A kind of adaptive broach plate shape retractor device of Standardisation Cell formula and its installation method |
| CN106996079A (en) * | 2017-05-23 | 2017-08-01 | 成都市新筑路桥机械股份有限公司 | The board-like retractor device of new antivibration noise abatement multi-directional deflection broach and its installation method |
| CN106996079B (en) * | 2017-05-23 | 2023-06-13 | 成都市新筑交通科技有限公司 | Novel vibration-resistant noise-reducing multidirectional-displacement comb plate type telescopic device and mounting method thereof |
| CN108149568A (en) * | 2018-01-31 | 2018-06-12 | 单国珠 | The board-like bridge extension joint of life-cycle non-bolt multi-directional deflection broach and method |
| CN111021239A (en) * | 2018-10-09 | 2020-04-17 | 河北建业工程橡胶有限公司 | Comb plate bridge expansion device capable of being replaced quickly |
| CN111021239B (en) * | 2018-10-09 | 2022-03-04 | 河北建业工程橡胶有限公司 | Comb plate bridge expansion device capable of being replaced quickly |
| CN110080100A (en) * | 2019-06-03 | 2019-08-02 | 西安中交万向科技股份有限公司 | A kind of bridge extension joint that can be realized greatly across seam and pressing plate and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20160705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |