CN209854543U - Position-variable comb plate expansion device - Google Patents
Position-variable comb plate expansion device Download PDFInfo
- Publication number
- CN209854543U CN209854543U CN201920177434.7U CN201920177434U CN209854543U CN 209854543 U CN209854543 U CN 209854543U CN 201920177434 U CN201920177434 U CN 201920177434U CN 209854543 U CN209854543 U CN 209854543U
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- Prior art keywords
- bridge
- fishback
- mounting panel
- elastic element
- variable
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- 230000007246 mechanism Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a but variable position fishback telescoping device relates to bridge engineering equipment technical field, the utility model discloses a two fishback, the fishback is all including installing the mounting panel on corresponding bridge, and the one end that the mounting panel stretches out the bridge all articulates through a plurality of hinges has the board that shifts that has the broach, and the junction between board and the mounting panel that shifts is seted up the upper groove that is located the hinge top respectively and is located the low groove of hinge below, and the upper groove intussuseption is filled with elastic element A, and the low groove intussuseption is filled with elastic element B, and the board bottom that shifts all articulates there are a plurality of telescopic machanism, and all telescopic machanism other ends all articulate at corresponding bridge side, the utility model has the advantages of simple structure, can prevent that the fishback.
Description
Technical Field
The utility model relates to a bridge engineering equipment technical field, more specifically relate to a but variable position fishback telescoping device.
Background
The bridge expansion device is an expansion device arranged between two ends of a bridge, between a beam end and a bridge abutment or at a hinge joint position of the bridge to meet the requirement of bridge deck deformation. The bridge expansion device is an important component of a bridge, and the performance of the expansion device directly influences the driving safety and the smoothness of a bridge road. At present, the public road bridge in China mainly uses a molded steel digital expansion device and a common comb plate expansion device, and the comb plate bridge expansion device is widely applied to urban bridge engineering due to the stable and comfortable trafficability and the simple structural design.
First bridge and second bridge have been strideed across to fishback in its structure, fishback and the anchor routine of bridge adopt bolted connection, however, when first bridge and second bridge have relative difference in height, because fishback is integral, fishback also can take place certain bending along with the bridge, produce the displacement, because fishback all is rigid structure, crooked make fishback fracture easily for a long time, the maintenance cost has been increased, simultaneously the unable extension of anchor bolt between fishback and the bridge is in order to adapt to the fishback along with the bridge displacement, anchor bolt actually becomes the restraint width of restriction fishback displacement and has born the very big resistance of restriction fishback displacement, if the fishback displacement volume is too big, break anchor bolt easily, it is troublesome to maintain, and the practicality is low.
Therefore, it is a realistic meaning for those skilled in the art how to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the fishback among the current bridge telescoping device because be the integral structure that has the rigidity, when installing on two bridges that have the difference in height, lead to the cracked technical problem of fishback for a long time easily for a long time, the utility model provides a but variable position fishback telescoping device.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a but variable position fishback telescoping device, including two fishback, fishback all is including installing the mounting panel on corresponding bridge, the one end that the mounting panel stretches out the bridge all articulates through a plurality of hinges has the board that shifts that has the broach, the junction between board and the mounting panel that shifts is seted up the upper groove that is located the hinge top respectively and is located the low groove of hinge below, the upper groove intussuseption is filled with elastic element A, the low groove intussuseption is filled with elastic element B, the board bottom that shifts all articulates there are a plurality of telescopic machanism, all telescopic machanism other ends all articulate and correspond the bridge side.
Furthermore, the elastic element A and the elastic element B are both made of rubber materials.
Furthermore, the elastic element A is fixed in the upper groove through a plurality of countersunk head screws, and the elastic element B is fixed in the lower groove through a plurality of countersunk head screws.
Furthermore, all the telescopic mechanisms are hydraulic telescopic cylinders, and piston rods of the hydraulic telescopic cylinders are hinged to the bottoms of the strain position plates.
Further, the maximum angle of the shift plate rotation upward and downward is 45 °.
Further, all be provided with the rubber gasket that is located corresponding mounting panel bottom on the bridge, rubber gasket's top is provided with a plurality of archs, and a plurality of and protruding complex shrinkage pools have been seted up to the mounting panel bottom.
Furthermore, the mounting plates are all fixed on the corresponding bridges through a plurality of bolts.
The working principle is as follows: when two bridges are at the same height, the comb teeth on the deflection plates in the two comb plates are aligned and meshed with each other, at the moment, the two comb plates are at the same horizontal height, when the two bridges have a certain height difference, the deflection plates on the lower bridges are jacked up through the telescopic mechanisms, the deflection plates are enabled to rotate upwards for a certain angle, meanwhile, the deflection plates on the higher bridges are pulled downwards for a corresponding angle through the telescopic mechanisms, the two deflection plate positions are aligned and meshed and connected together, the two deflection plates connected together are integrally in an inclined state at the moment, the corresponding mounting plates all keep in a horizontal state, meanwhile, certain elastic-plastic deformation happens to the corresponding elastic element A and the corresponding elastic element B, and the elastic element A and the elastic element B serve as transition elements between the mounting plates and the corresponding deflection plates.
The utility model has the advantages as follows:
1. when two bridges have a certain height difference, the shifting plate on the bridge with a lower position is jacked up through the telescopic mechanism to enable the shifting plate to rotate upwards by a certain angle, meanwhile, the shifting plate on the bridge with a higher position is pulled downwards by a corresponding angle through the telescopic mechanism to enable the two shifting plates to be aligned and meshed together, at the moment, the two shifting plates connected together are integrally in an inclined state, the corresponding mounting plates are kept in a horizontal state, and meanwhile, the corresponding elastic element A and the elastic element B are subjected to certain elastic-plastic deformation and serve as transition elements between the mounting plates and the corresponding shifting plates, the traditional integral comb plate is changed into the mounting plate and the shifting plates which are hinged together, the height difference is adapted only through rotating the shifting plates, so that the phenomenon that the bridge comb plate is broken due to integral bending is avoided, and the maintenance cost is greatly reduced, long service life and strong practicability.
2. The elastic element A and the elastic element B are made of rubber materials which are good in elasticity and plasticity, so that the elastic element A and the elastic element B are suitable for displacement variables between the mounting plate and the corresponding deflection plate, and have a certain damping effect.
3. All telescopic machanisms are hydraulic telescoping cylinder, and hydraulic telescoping cylinder's piston rod all articulates the potential plate bottom that meets an emergency, controls the rotation that meets an emergency through hydraulic telescoping cylinder, and degree of automation is high, and control is convenient.
4. The biggest angle that shifts the board upwards rotates and downwards rotates is 45, shifts board inclination and should not too big, otherwise leads to two connection structure unstability between the board that shifts easily, and inclination is too big also has certain resistance to the vehicle moreover, is unfavorable for the vehicle to pass through, therefore the biggest 45 of inclination can satisfy most basic structural stability and suitability.
5. All be provided with the rubber gasket that is located the corresponding mounting panel bottom on the bridge, rubber gasket's top is provided with a plurality of archs, and a plurality of and protruding complex shrinkage pools have been seted up to the mounting panel bottom, and rubber gasket's effect mainly bears the rigid shock of mounting panel, plays the cushioning effect, and the arch on the rubber gasket all blocks into in the shrinkage pool that the mounting panel bottom corresponds simultaneously, prevents to produce the skew between rubber gasket and the mounting panel, and the structure is more stable firm.
Drawings
Fig. 1 is a schematic structural view of a variable-position comb plate retractor device of the present invention;
FIG. 2 is a schematic diagram of the top view of FIG. 1;
fig. 3 is a schematic structural diagram of the present invention when two bridges have a height difference.
Reference numerals: 1-bridge, 2-comb plate, 2.1-mounting plate, 2.2-displacement plate, 3-hinge, 4-elastic element A, 5-elastic element B, 6-telescopic mechanism, 7-countersunk screw, 8-shock-absorbing rubber pad and 9-bolt.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example 1
As shown in fig. 1 to 3, this embodiment provides a variable position fishback telescoping device, including two fishback 2, fishback 2 all is including installing mounting panel 2.1 on corresponding bridge 1, the one end that mounting panel 2.1 stretches out bridge 1 all articulates through a plurality of hinges 3 has the board 2.2 that shifts of broach, the junction between board 2.2 and the mounting panel 2.1 that shifts is seted up the upper groove that is located the hinge 3 top respectively and is located the low groove of hinge 3 below, the upper groove intussuseption is filled with elastic element a4, the low groove intussuseption is filled with elastic element B5, it all articulates in board 2.2 bottom has a plurality of telescopic machanisms 6 to shift, all the 6 other ends of telescopic machanism all articulate at corresponding bridge 1 side.
In the embodiment, when two bridges have a certain height difference, the shifting plates on the lower bridge are jacked up by the telescopic mechanism to rotate upwards by a certain angle, meanwhile, the shifting plates on the higher bridge are pulled downwards by a corresponding angle by the telescopic mechanism to align and mesh the two shifting plates together, at the moment, the two shifting plates connected together are integrally in an inclined state, the corresponding mounting plates are kept in a horizontal state, and simultaneously, the corresponding elastic elements A and B are subjected to certain elastic-plastic deformation to serve as transition elements between the mounting plates and the corresponding shifting plates, the toothed plate is changed into the mounting plates and the shifting plates which are hinged together by the traditional integral comb, the height difference of the bridges is adapted only by rotating the shifting plates, so that the phenomenon that the toothed plate is broken due to integral bending is avoided, the maintenance cost is greatly reduced, the service life is long, and the practicability is high.
Example 2
As shown in fig. 1 to 3, the present embodiment is further optimized based on embodiment 1, specifically, the elastic element a4 and the elastic element B5 are both made of rubber materials, the elastic element a4 is fixed in the upper groove by a plurality of countersunk head screws 7, and the elastic element B5 is fixed in the lower groove by a plurality of countersunk head screws 7.
In this embodiment, the rubber material elasticity plasticity is better, makes elastic element A and elastic element B relatively adapt to the displacement variable between mounting panel and the board that shifts that corresponds, still has certain cushioning effect simultaneously, and elastic element A and elastic element B are all fixed in corresponding upper groove and lower groove through countersunk head screw, and stable in structure is firm.
Example 3
As shown in fig. 1 and 3, the present embodiment is further optimized on the basis of embodiment 1, specifically, all the telescoping mechanisms 6 are hydraulic telescoping cylinders, and piston rods of the hydraulic telescoping cylinders are all hinged to the bottom of the strain position plate 2.2.
In this embodiment, come the rotation of control to meeting an emergency the position board through the hydraulic telescoping cylinder, degree of automation is high, and control is convenient.
Example 4
As shown in fig. 1 and 3, the present embodiment is further optimized based on embodiment 1, specifically, the maximum angles of the upward rotation and the downward rotation of the shift plate 2.2 are both 45 °.
In this embodiment, the board inclination that shifts should not be too big, otherwise leads to the connection structure between two boards that shift unstable easily, and the too big vehicle that also has certain resistance to the vehicle of inclination moreover is unfavorable for the vehicle current, therefore practice proves that the biggest 45 of inclination can satisfy most basic structural stability and suitability.
Example 5
As shown in fig. 1 and 3, the present embodiment is further optimized on the basis of embodiment 1, specifically, the bridge 1 is provided with a shock-absorbing rubber pad 8 corresponding to the bottom of the mounting plate 2.1, the top of the shock-absorbing rubber pad 8 is provided with a plurality of protrusions, and the bottom of the mounting plate 2.1 is provided with a plurality of concave holes matched with the protrusions.
In this embodiment, the effect of rubber gasket mainly is that the rigid impact who bears the mounting panel plays the cushioning effect, and the arch on the rubber gasket of shock attenuation all blocks into the shrinkage pool that the mounting panel bottom corresponds simultaneously in, prevents to produce the skew between rubber gasket of shock attenuation and the mounting panel, and the structure is more stable firm.
Example 6
As shown in fig. 1 to 3, the present embodiment is further optimized based on embodiment 1, specifically, the mounting plates 2.1 are all fixed on the corresponding bridge 1 by a plurality of bolts 9.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a but variable position fishback telescoping device, including two fishback (2), a serial communication port, fishback (2) all including installing mounting panel (2.1) on corresponding bridge (1), the one end that mounting panel (2.1) stretches out bridge (1) all articulates through a plurality of hinges (3) has shifting board (2.2) that have the broach, the junction between shifting board (2.2) and mounting panel (2.1) is seted up the upper groove that is located hinge (3) top respectively and is located the lower groove of hinge (3) below, the upper groove intussuseption is filled with elastic element A (4), the lower groove intussuseption is filled with elastic element B (5), shifting board (2.2) bottom all articulates there are a plurality of telescopic machanism (6), all telescopic machanism (6) other end all articulates at corresponding bridge (1) side.
2. The retractable device of claim 1, wherein the elastic elements a (4) and B (5) are made of rubber.
3. A variable position comb plate retractor device according to claim 1 or 2 wherein the resilient member a (4) is secured in the upper recess by means of a plurality of countersunk screws (7) and the resilient member B (5) is secured in the lower recess by means of a plurality of countersunk screws (7).
4. The variable-position comb plate stretching device according to claim 1, wherein all stretching mechanisms (6) are hydraulic stretching cylinders, and piston rods of the hydraulic stretching cylinders are hinged to the bottoms of the strain position plates (2.2).
5. A variable position comb plate retractor device according to claim 4 wherein the maximum angle of rotation of the position changing plate (2.2) up and down is 45 °.
6. The retractable device of a variable-position comb plate according to claim 1, wherein the bridge (1) is provided with a shock-absorbing rubber pad (8) at the bottom of the corresponding mounting plate (2.1), the top of the shock-absorbing rubber pad (8) is provided with a plurality of protrusions, and the bottom of the mounting plate (2.1) is provided with a plurality of concave holes matched with the protrusions.
7. A variable position comb plate retractor device according to claim 6 wherein the mounting plates (2.1) are each fixed to the respective bridge (1) by means of a plurality of bolts (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177434.7U CN209854543U (en) | 2019-02-01 | 2019-02-01 | Position-variable comb plate expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177434.7U CN209854543U (en) | 2019-02-01 | 2019-02-01 | Position-variable comb plate expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209854543U true CN209854543U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177434.7U Expired - Fee Related CN209854543U (en) | 2019-02-01 | 2019-02-01 | Position-variable comb plate expansion device |
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| Country | Link |
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| CN (1) | CN209854543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
-
2019
- 2019-02-01 CN CN201920177434.7U patent/CN209854543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |