CN213086556U - Comb-tooth type bridge expansion device - Google Patents
Comb-tooth type bridge expansion device Download PDFInfo
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- CN213086556U CN213086556U CN202021784634.8U CN202021784634U CN213086556U CN 213086556 U CN213086556 U CN 213086556U CN 202021784634 U CN202021784634 U CN 202021784634U CN 213086556 U CN213086556 U CN 213086556U
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Abstract
The utility model discloses a comb-tooth bridge expansion device, which comprises a first beam body and a second beam body, a gap is formed between the first beam body and the second beam body, a first preformed groove is arranged at the top of the first beam body, a second preformed groove is arranged at the top of the second beam body, a rotary comb steel plate is arranged in the first preformed groove, a fixed comb steel plate matched with the rotary comb steel plate is arranged in the second preformed groove, a water stop and two supporting components are arranged in the gap, two ends of the water stop are respectively detachably connected with the first beam body and the second beam body, the supporting components are arranged below the water stop, telescopic rods are arranged at the top of the supporting components, the telescopic rods are arranged at the bottom of the water stop, a supporting piece is also arranged between the two telescopic rods, the supporting piece comprises a supporting piece with elasticity and two movable blocks, the supporting piece is arranged at the bottom of the water stop, two ends of the supporting piece are respectively connected with the two, the movable blocks are respectively positioned at the tops of the two supporting components.
Description
Technical Field
The utility model relates to a bridge telescoping device technical field, concretely relates to comb-tooth formula bridge telescoping device.
Background
The bridge expansion device is one of important functional components of a bridge, and the expansion device is arranged between a beam end and a beam end of the bridge and between the beam end and an abutment, so that the problem of bridge damage caused by structural displacement caused by vehicle load, environmental characteristics and the self physical properties of bridge building materials can be effectively solved. The telescopic device should satisfy the following conditions: the displacement of the upper structure of the bridge under the action of external force is fully met; must be firm, reliable and durable; mechanical abrasion and collision can be resisted; the stability and the safety of the traffic are ensured; preventing rainwater and garbage from infiltrating; the installation is convenient, and the maintenance is easy to check. The waterstop for the bridge telescoping device can prevent rainwater or broken stone etc. from getting into the bridge telescoping device, makes the bridge telescoping device block and lose original effect, and current bridge for the telescoping device waterstop passes through the waterstop connection of rubber, and its mechanical strength is relatively poor, and the waterstop takes place the condition emergence that drops after receiving hard thing such as the stone of bouncing off on the road surface to strike easily, loses the stagnant water function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides a comb-tooth formula bridge telescoping device for support the waterstop, improve the protective capacities to the waterstop, avoid the waterstop to take place to drop.
The utility model discloses a following technical scheme realizes:
a comb-tooth type bridge expansion device comprises a first beam body and a second beam body, a gap is formed between the first beam body and the second beam body, a first reserved groove is formed in the top of the first beam body, a second reserved groove is formed in the top of the second beam body, a rotating comb steel plate is arranged in the first reserved groove, a fixed comb steel plate matched with the rotating comb steel plate is arranged in the second reserved groove, a water stop and two supporting components are arranged in the gap formed between the first beam body and the second beam body, two ends of the water stop are detachably connected with the first beam body and the second beam body respectively, the supporting components are located below the water stop and are connected with the first beam body and the second beam body respectively, telescopic rods are arranged at the tops of the supporting components and are located at the bottom of the water stop and can expand and contract along the vertical direction, and supporting components are arranged between the two telescopic rods, the support piece is including having elastic backing sheet and two movable blocks, the backing sheet is the arc structure, and the backing sheet is located the bottom of waterstop, and the both ends of backing sheet are connected with two movable blocks respectively, the movable block is located two supporting component's top respectively.
Aiming at the problems that in the prior art, the connection strength of a waterstop of a telescopic device and a bridge expansion joint is low, and when stones bounced down from a bridge floor impact the waterstop in the use process, the waterstop is easy to fall off, therefore, the technical scheme is that two supporting components are arranged in a gap formed between a first beam body and a second beam body, the two supporting components are respectively positioned on the side walls of the first beam body and the second beam body, and a certain gap is formed between the two supporting components, so that when the bridge vibrates, and the gap between the first beam body and the second beam body changes, the supporting components can have a certain displacement; still all be provided with the telescopic link simultaneously on supporting component, the telescopic link that utilizes to set up can support two limits of waterstop, can improve the bearing strength on waterstop both sides, thereby improve the holistic anti-impact force of waterstop, and in order to improve the impact strength to the waterstop further, the event has still set up support piece, support piece is located the below of waterstop central point, be used for supporting waterstop central point, because the backing sheet of arc structure adopts the spring steel to make and forms, certain elasticity has, make when the central point department of waterstop receives the stone impact, the backing sheet of arc structure takes place deformation, force the slider on the backing sheet both ends to move on supporting component, absorb some impact force of waterstop, thereby reach the mesh to the waterstop shock attenuation, further improve the shock resistance of waterstop.
Further, the both ends of waterstop all are equipped with the connecting block, all be equipped with the fixed block on first roof beam body and the second roof beam body lateral wall, be equipped with the spread groove that matches with the connecting block on the fixed block, the connecting block is located the spread groove.
The connecting block that sets up is used for fixing the both ends of waterstop respectively on first roof beam body and second roof beam body to in fixing the gap that first roof beam body and second roof beam body formed with the waterstop stably, the spread groove both ends that set up and the both ends intercommunication of fixed block, the terminal surface through the fixed block inserts the connecting block on the waterstop to the spread groove in, make things convenient for waterstop and fixed block loading and unloading.
Further, all be equipped with the screw rod on the lateral wall of the first roof beam body and the second roof beam body, the screw rod runs through to the spread groove of fixed block in, still is equipped with fixation nut on the screw rod to fixation nut is located the spread groove.
The screw rod of setting is pre-buried in first roof beam body and second roof beam body, utilizes the screw rod of setting to conveniently fix the fixed block on first roof beam body and second roof beam body, and the fixation nut that the cooperation set up can be stably fixed the fixed block in the gap.
Further, the supporting component comprises a first fixing block, a second elastic piece, a second fixing block and a supporting plate, wherein first fixing grooves matched with the first fixing block are formed in the side walls of the first beam body and the second beam body, the first fixing block is located in the first fixing grooves, one end of the second elastic piece is connected with the first fixing block, the other end of the second elastic piece is connected with the second fixing block, a second fixing groove matched with the second fixing block is formed in the supporting plate, and the second fixing block is located in the second fixing groove.
The supporting component is arranged for supporting the telescopic component and the supporting piece, so that the telescopic component and the supporting piece can stably support the water stop belt, meanwhile, in order to facilitate the telescopic component to be installed on the first beam body and the second beam body, the side walls of the first beam body and the second beam body are respectively provided with a first fixing groove which is communicated with the end faces of the first beam body and the second beam body, so that the arranged first fixing blocks can be installed in the first beam body and the second beam body at the end faces, the arranged second fixing plate is used for fixedly connecting the second elastic piece and the supporting plate, the second fixing block can be inserted into the supporting plate from the side by utilizing the second fixing groove on the supporting plate, the connection between the second elastic piece and the first fixing block and the supporting plate is realized, the arranged second elastic piece enables the supporting plate to have a certain telescopic amount in a gap, so that when the bridge vibrates at a distance, when two backup pads bump, the backup pad can be internal to first roof beam body and second roof beam each other the withdrawal, avoids the backup pad to take place the condition emergence of rupture.
Furthermore, the telescopic rod comprises a first supporting rod, a second supporting rod and a third elastic part, the first supporting rod is located at the top of the supporting plate, a blind hole is further formed in the top of the first supporting rod, one end of the third elastic part is connected with an inner bottom of the blind hole, and the other end of the third elastic part is connected with the second supporting rod.
The telescopic link that sets up is used for supporting the both sides of waterstop, and when waterstop both sides top received the stone and assaulted, the waterstop forces the second bracing piece to push down the third elastic component that is located first bracing piece, forces third elasticity compressed to absorb the impact force that the waterstop received, and then improved the anti impact force ability of waterstop.
Furthermore, a connecting rod is further arranged on the side wall of the first supporting rod, one end of the connecting rod is in threaded connection with the first supporting rod, and the other end of the connecting rod horizontally penetrates through the movable block.
The connecting rod that sets up is used for being connected with the movable block, can play certain guide effect to the movable block, guarantees that the movable block can remove along linear direction at the top of backup pad to avoid curved backing sheet to take place to distort receiving the in-process that the stagnant water piece pushed down.
Furthermore, the supporting part further comprises a first elastic part, and two ends of the first elastic part are respectively connected with the two movable blocks.
The first elasticity that sets up advances to be used for improving the elasticity of backing sheet, and when first elastic component was in the natural state, the backing sheet was in the bending state, and when the waterstop piece received the impact and leads to oppression arc backing sheet, the both ends of backing sheet force the movable block to move on the connecting rod, and the movable block is at the tensile first elastic component of in-process that removes, utilizes first elastic component can further absorb partly energy to improve the shock attenuation effect to the waterstop piece.
Further, still be equipped with the piece that shifts in the first roof beam body, the piece that shifts is located the below of rotating the broach steel sheet, the piece that shifts includes steel sheet, rubber base and lower steel sheet, rubber base is located between steel sheet and the lower steel sheet, still be equipped with connecting bolt on the rotation broach steel sheet to connecting bolt is connected with last steel sheet.
The seat that shifts that sets up adopts last steel sheet and lower steel sheet to add rubber base and holds in the centre, utilizes the connecting bolt who sets up will rotate the broach steel sheet and go up the steel sheet and fix together, when the vehicle traveles on the bridge floor and leads to rotating the broach steel sheet and take place vibrations, utilizes rubber base can absorb some energy to reach the absorbing purpose, improve the life of bridge, the noise that produces when simultaneously can also reduce vibrations, the stability of improvement bridge.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model utilizes the arranged telescopic rod, the supporting component and the supporting piece to support the water stop belt installed in the gap together, thereby improving the installation strength of the water stop belt and prolonging the service life of the water stop belt;
2. the utility model discloses when the bridge floor received vibrations and lead to gap between the first roof beam body and the second roof beam body to change, the supporting component who utilizes the setting can have certain flexible volume on the horizontal direction, avoids the rupture that two backup pads bumps and lead to, improves the support stability to the waterstop.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of part A of the present invention;
FIG. 3 is a schematic structural view of the water stop of the present invention;
FIG. 4 is a schematic structural view of the supporting member of the present invention;
FIG. 5 is a schematic structural view of the telescopic rod of the present invention;
fig. 6 is a schematic structural view of the support assembly of the present invention;
fig. 7 is a schematic structural view of the shifting seat of the present invention.
Reference numbers and corresponding part names in the drawings:
1-first beam body, 3-second beam body, 4-shifting seat, 5-connecting bolt, 7-rotating comb steel plate, 10-fixing comb steel plate, 11-supporting component, 12-supporting component, 14-fixing block, 15-water stop, 16-telescopic rod, 17-fixing nut, 18-connecting block, 19-screw rod, 20-movable block, 21-first elastic component, 22-supporting piece, 23-first fixing block, 24-second elastic component, 25-supporting plate, 26-second fixing block, 27-rubber seat, 28-lower steel plate, 29-upper steel plate, 30-connecting rod, 32-third elastic component, 33-first supporting rod, 34-second supporting rod.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1 to 7, the utility model comprises a first beam body 1 and a second beam body 3, a gap is formed between the first beam body 1 and the second beam body 3, a first pre-groove is arranged on the top of the first beam body 1, a second pre-groove is arranged on the top of the second beam body 3, a rotating comb steel plate 7 is arranged in the first pre-groove, a fixed comb steel plate 10 matched with the rotating comb steel plate 7 is arranged in the second pre-groove, a water stop 15 and two support components 11 are arranged in the gap formed between the first beam body 1 and the second beam body 3, two ends of the water stop 15 are respectively detachably connected with the first beam body 1 and the second beam body 3, the support components 11 are positioned below the water stop 15, the two support components 11 are respectively connected with the first beam body 1 and the second beam body 3, the top of the support components 11 is provided with a telescopic rod 16, the telescopic rod 16 is positioned at the bottom of the water stop 15, and telescopic link 16 can stretch out and draw back along vertical direction, still is equipped with support piece 12 between two telescopic links 16, support piece 12 is including having elastic backing sheet 22 and two movable block 20, backing sheet 22 is the arc structure, and backing sheet 22 is located the bottom of waterstop 15, and the both ends of backing sheet 22 are connected with two movable block 20 respectively, movable block 20 is located the top of two supporting component 11 respectively.
Example 2
On the basis of embodiment 1, the both ends of waterstop 15 all are equipped with connecting block 18, all be equipped with fixed block 14 on first roof beam body 1 and the 3 lateral walls of second roof beam body, be equipped with the spread groove that matches with connecting block 18 on the fixed block 14, connecting block 18 is located the spread groove.
Example 3
On the basis of embodiment 1, the side walls of the first beam body 1 and the second beam body 3 are both provided with a screw rod 19, the screw rod 19 penetrates into the connecting groove of the fixed block 14, the screw rod 19 is further provided with a fixed nut 17, and the fixed nut 17 is located in the connecting groove.
Example 4
On the basis of embodiment 1, the support assembly 11 includes a first fixing block 23, a second elastic member 24, a second fixing block 26 and a support plate 25, first fixing grooves matched with the first fixing block 23 are formed in the side walls of the first beam body 1 and the second beam body 3, the first fixing block 23 is located in the first fixing groove, one end of the second elastic member 24 is connected with the first fixing block 23, the other end of the second elastic member is connected with the second fixing block 26, a second fixing groove matched with the second fixing block 26 is formed in the support plate 25, and the second fixing block 26 is located in the second fixing groove.
Example 5
On the basis of the embodiment 4, the telescopic rod 16 includes a first supporting rod 33, a second supporting rod 34, and a third elastic member 32, the first supporting rod 33 is located on the top of the supporting plate 25, the top of the first supporting rod 33 is further provided with a blind hole, one end of the third elastic member 32 is connected to the inner bottom of the blind hole, and the other end is connected to the second supporting rod 34.
Example 6
On the basis of embodiment 5, a connecting rod 30 is further disposed on the side wall of the first supporting rod 33, one end of the connecting rod 30 is connected with the first supporting rod 33 through a screw thread, and the other end horizontally penetrates through the movable block 20.
Example 7
On the basis of embodiment 1, the supporting member 12 further includes a first elastic member 21, and both ends of the first elastic member 21 are respectively connected to the two movable blocks 20.
Example 8
On the basis of embodiment 1, a displacement member 4 is further arranged in the first beam body 1, the displacement member 4 is located below the rotating comb-tooth steel plate 7, the displacement member 4 comprises an upper steel plate 29, a rubber base 27 and a lower steel plate 27, the rubber base 27 is located between the upper steel plate 29 and the lower steel plate 27, the rotating comb-tooth steel plate 7 is further provided with a connecting bolt 5, and the connecting bolt 5 is connected with the upper steel plate 29.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A comb-tooth type bridge expansion device comprises a first beam body (1) and a second beam body (3), a gap is formed between the first beam body (1) and the second beam body (3), a first preformed groove is formed in the top of the first beam body (1), a second preformed groove is formed in the top of the second beam body (3), a rotating comb-tooth steel plate (7) is arranged in the first preformed groove, a fixed comb-tooth steel plate (10) matched with the rotating comb-tooth steel plate (7) is arranged in the second preformed groove, the comb-tooth type bridge expansion device is characterized in that a water stop (15) and two supporting assemblies (11) are arranged in the gap formed between the first beam body (1) and the second beam body (3), two ends of the water stop (15) are detachably connected with the first beam body (1) and the second beam body (3) respectively, the supporting assemblies (11) are located below the water stop (15), and the two supporting assemblies (11) are connected with the first beam body (1) and the second beam body (3) respectively, the top of supporting component (11) all is equipped with telescopic link (16), telescopic link (16) are located the bottom of waterstop (15) to telescopic link (16) can be flexible along vertical direction, still are equipped with support piece (12) between two telescopic links (16), support piece (12) are including having elastic backing sheet (22) and two movable block (20), backing sheet (22) are the arc structure, and backing sheet (22) are located the bottom of waterstop (15), and the both ends of backing sheet (22) are connected with two movable block (20) respectively, movable block (20) are located the top of two supporting component (11) respectively.
2. The comb-tooth bridge expansion device according to claim 1, wherein two ends of the water stop belt (15) are respectively provided with a connecting block (18), the side walls of the first beam body (1) and the second beam body (3) are respectively provided with a fixed block (14), the fixed blocks (14) are respectively provided with a connecting groove matched with the connecting blocks (18), and the connecting blocks (18) are positioned in the connecting grooves.
3. The comb-tooth bridge expansion device according to claim 1, wherein the side walls of the first beam body (1) and the second beam body (3) are respectively provided with a screw rod (19), the screw rods (19) penetrate into the connecting grooves of the fixing block (14), the screw rods (19) are further provided with fixing nuts (17), and the fixing nuts (17) are located in the connecting grooves.
4. The comb-tooth bridge expansion device according to claim 1, wherein the support assembly (11) comprises a first fixing block (23), a second elastic member (24), a second fixing block (26) and a support plate (25), wherein a first fixing groove matched with the first fixing block (23) is formed in each of the side walls of the first beam body (1) and the second beam body (3), the first fixing block (23) is located in the first fixing groove, one end of the second elastic member (24) is connected with the first fixing block (23), the other end of the second elastic member is connected with the second fixing block (26), a second fixing groove matched with the second fixing block (26) is formed in the support plate (25), and the second fixing block (26) is located in the second fixing groove.
5. The comb-tooth bridge expansion device according to claim 4, wherein the expansion link (16) comprises a first support rod (33), a second support rod (34) and a third elastic member (32), the first support rod (33) is located at the top of the support plate (25), the top of the first support rod (33) is further provided with a blind hole, one end of the third elastic member (32) is connected with the inner bottom of the blind hole, and the other end of the third elastic member is connected with the second support rod (34).
6. The comb-tooth bridge expansion device according to claim 5, wherein a connecting rod (30) is further disposed on the side wall of the first supporting rod (33), one end of the connecting rod (30) is connected with the first supporting rod (33) in a threaded manner, and the other end of the connecting rod horizontally penetrates through the movable block (20).
7. The comb-tooth bridge expansion device according to claim 1, wherein the supporting member (12) further comprises a first elastic member (21), and two ends of the first elastic member (21) are respectively connected with the two movable blocks (20).
8. The comb-tooth bridge expansion device according to claim 1, wherein a displacement member (4) is further arranged in the first beam body (1), the displacement member (4) is located below the rotating comb-tooth steel plate (7), the displacement member (4) comprises an upper steel plate (29), a rubber base (27) and a lower steel plate (28), the rubber base (27) is located between the upper steel plate (29) and the lower steel plate (28), the rotating comb-tooth steel plate (7) is further provided with a connecting bolt (5), and the connecting bolt (5) is connected with the upper steel plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784634.8U CN213086556U (en) | 2020-08-24 | 2020-08-24 | Comb-tooth type bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784634.8U CN213086556U (en) | 2020-08-24 | 2020-08-24 | Comb-tooth type bridge expansion device |
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| Publication Number | Publication Date |
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| CN213086556U true CN213086556U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021784634.8U Active CN213086556U (en) | 2020-08-24 | 2020-08-24 | Comb-tooth type bridge expansion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263150A (en) * | 2022-01-13 | 2022-04-01 | 中国铁建大桥工程局集团有限公司 | Telescopic device, aqueduct and mounting method of telescopic device |
-
2020
- 2020-08-24 CN CN202021784634.8U patent/CN213086556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263150A (en) * | 2022-01-13 | 2022-04-01 | 中国铁建大桥工程局集团有限公司 | Telescopic device, aqueduct and mounting method of telescopic device |
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