CN209854542U - Long service life's fishback telescoping device - Google Patents
Long service life's fishback telescoping device Download PDFInfo
- Publication number
- CN209854542U CN209854542U CN201920177433.2U CN201920177433U CN209854542U CN 209854542 U CN209854542 U CN 209854542U CN 201920177433 U CN201920177433 U CN 201920177433U CN 209854542 U CN209854542 U CN 209854542U
- Authority
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- China
- Prior art keywords
- fishback
- anchoring
- bridge
- comb plate
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004873 anchoring Methods 0.000 claims description 54
- 229920003049 isoprene rubber Polymers 0.000 claims description 9
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 8
- 239000005062 Polybutadiene Substances 0.000 claims description 8
- 229920002857 polybutadiene Polymers 0.000 claims description 8
- 229920005549 butyl rubber Polymers 0.000 claims description 5
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 4
- 230000032683 aging Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a long service life's fishback telescoping device relates to bridge engineering equipment technical field, the utility model discloses a fishback and anchor, fishback one end is passed through the anchor and is connected on first bridge, and the fishback other end overlap joint is on the second bridge, and fishback inside is provided with at least two-layer elastic plate, has the interval between every two adjacent elastic plates, and the fishback is close to the side of second bridge and has seted up a plurality ofly and correspond the elastic plate complex installing port, all is provided with the closure plate in the installing port, the utility model has the advantages of simple structure, long service cycle, security are high.
Description
Technical Field
The utility model relates to a bridge engineering equipment technical field, more specifically relate to a long service life's 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.
The fishback telescoping device installs between two bridges, fishback and the anchor conventionality of bridge adopt bolted connection, when two bridges have relative difference in height, the bolt fastening is passed through on the high lower bridge to fishback one end, the fishback other end overlap joint is on high higher bridge, whole fishback then can produce certain bending deformation, because fishback is integral rigid structure, produce pressure to the fishback when the driving passes through, the fishback bears vehicle pressure and self deformability, the time causes the fishback fracture easily for a long time, influence driving safety, the security is lower, consequently need maintain often, consume manpower and materials, the maintenance cost has been increased.
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 comb plate among the current comb plate telescoping device and be integral rigid structure, bear vehicle pressure and self deformability, cause the comb plate fracture easily for a long time, influence driving safety's technical problem for a long time, the utility model provides a long service life's comb plate telescoping device.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a long service life's fishback telescoping device, includes fishback and anchor, fishback one end is passed through the anchor and is connected on first bridge, and the fishback other end overlap joint is on the second bridge, and fishback inside is provided with two-layer at least elastic plate, has the interval between every two adjacent elastic plate, and fishback is close to the side of second bridge and has seted up a plurality ofly and correspond the elastic plate complex installing port, all is provided with the closure plate in the installing port.
Furthermore, all the plugging plates are connected with the comb plate through a plurality of countersunk head screws.
Furthermore, the elastic plate is made of ethylene propylene rubber, isoprene rubber or butadiene rubber.
Further, the anchoring device comprises an anchoring box arranged in the first bridge, the upper surface of the anchoring box is flush with the upper surface of the first bridge, a plurality of anchoring bolts are arranged in the anchoring box, the upper ends of the anchoring bolts sequentially penetrate through the anchoring box and the comb plate, an elastic sleeve located in the anchoring box is sleeved at a stud position in each anchoring bolt, and the elastic sleeve is tightly abutted between nuts at the top and the bottom of each anchoring bolt in the anchoring box.
Furthermore, the elastic sleeve is made of styrene butadiene rubber, butyl rubber or chloroprene rubber.
Furthermore, a plurality of openings corresponding to the anchoring bolts one to one are formed in the upper surface of the comb plate, and the openings are hinged with sealing covers located above the corresponding anchoring bolts.
Furthermore, a plurality of drain holes are formed at the bottom end of the side wall of the anchoring box.
The utility model has the advantages as follows:
1. the elastic plate is pushed into the comb plate through the mounting opening on the comb plate, the plugging plate is embedded in the mounting opening, and the plugging plate is connected with the comb plate through a plurality of countersunk screws, so that the assembly of the elastic plate and the comb plate is completed, the structure is firm and stable, the operation is convenient, the detachable assembly structure is convenient for later-stage replacement of the elastic plate, the performance of the elastic plate is ensured, at least two layers of elastic plates are assembled in the comb plate, the rigidity of the whole comb plate is reduced, the whole comb plate has certain elastic plasticity, when the detachable assembly structure is arranged between a first bridge and a second bridge and the second bridge is higher than the first bridge, the second bridge jacks up the comb plate, the comb plate is bent to a certain degree, at the moment, the rigidity of the comb plate is reduced, the capacity of bearing the pressure of a vehicle and the deformation force of the comb plate is greatly enhanced, and the elastic plate also has a certain damping effect, difficult fracture, this fishback security is high, has increased the life of fishback moreover, and later maintenance cost simultaneously.
2. The elastic plate is made of ethylene propylene rubber or isoprene rubber or cis-butadiene rubber, the ethylene propylene rubber has excellent ozone resistance, ultraviolet resistance, weather resistance and aging resistance, and is a universal rubber, the electric insulation property, the chemical resistance and the impact elasticity are good, the acid and alkali resistance is high, the specific gravity is small, the high filling matching can be carried out, the performance of the isoprene rubber is very close to that of natural rubber, the aging resistance, the elasticity and the strength are good, the elasticity and the wear resistance of the cis-butadiene rubber are good, the aging resistance is good, the low temperature resistance is excellent, the heat is small under dynamic load, the metal bonding is easy, and the ethylene propylene rubber, the isoprene rubber and the cis-butadiene rubber can meet the service performance of the elastic plate.
3. When the comb plate is bent, one end of the comb plate has upward tensile force on an anchoring bolt in the anchoring device, the anchoring bolt extrudes and deforms the elastic sleeve upwards, the elastic sleeve offsets a part of the tensile force, meanwhile, the anchoring bolt also has a certain displacement, and therefore the constraint force of the anchoring bolt on the comb plate is reduced, the comb plate or the anchoring bolt is prevented from being broken and damaged due to overlarge stress, the stress state between the anchoring bolt and the comb plate is improved, the service life of the comb plate is prolonged, the elastic sleeve is made of styrene butadiene rubber or butyl rubber or chloroprene rubber, the comb plate is excellent in ageing resistance, has certain elasticity, and meets the use requirements.
4. The comb plate upper surface is seted up a plurality of openings with the anchor bolt one-to-one, and opening department all articulates there is the closing cap that is located corresponding anchor bolt top, installs anchor bolt after, blocks up the closing cap of anchor bolt top the opening, makes anchor bolt and outside air keep apart, reduces the corrosion to anchor bolt, has prolonged anchor bolt's life.
5. The bottom end of the side wall of the anchoring box is provided with a plurality of drainage holes, accumulated water is easy to accumulate in the anchoring box due to the use environment of the anchoring box, the bottom end of the side wall of the anchoring box is provided with a plurality of drainage holes, and meanwhile, a drainage channel communicated with the corresponding drainage holes is also formed in the first bridge, so that the anchoring bolt and the elastic sleeve are prevented from being submerged by the accumulated water, and water erosion to the anchoring bolt and the elastic sleeve is avoided.
Drawings
Fig. 1 is a schematic structural view of a comb plate expansion device with a long service life of the present invention;
fig. 2 is a schematic structural view of the present invention installed between two bridges with a height difference.
Reference numerals: 1-comb plate, 2-anchoring device, 2.1-anchoring box, 2.2-anchoring bolt, 2.3-elastic sleeve, 3-elastic plate, 4-plugging plate, 5-countersunk screw, 6-sealing cover and 7-drainage hole.
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 2, this embodiment provides a long service life's fishback telescoping device, including fishback 1 and anchor 2, fishback 1 one end is passed through anchor 2 and is connected on first bridge, fishback 1 other end overlap joint is on the second bridge, fishback 1 is inside to be provided with two-layer elastic plate 3 at least, the interval has between every two adjacent elastic plate 3, fishback 1 is close to the side of second bridge and has seted up a plurality of and correspond the installing port of elastic plate 3 complex, all be provided with closure plate 4 in the installing port, all closure plates 4 link together with fishback 1 through a plurality of countersunk screw 5.
In the embodiment, the elastic plate is pushed into the comb plate through the mounting opening on the comb plate, the plugging plate is embedded in the mounting opening, and the plugging plate is connected with the comb plate through a plurality of countersunk screws, so that the assembly of the elastic plate and the comb plate is completed, the structure is firm and stable, the operation is convenient, the detachable assembly structure is convenient for later-stage replacement of the new elastic plate, the performance of the elastic plate is ensured, at least two layers of elastic plates are assembled in the comb plate, the integral rigidity of the comb plate is reduced, the comb plate has certain elastic plasticity, when the detachable assembly structure is arranged between the first bridge and the second bridge is higher than the first bridge, the second bridge jacks up the comb plate to ensure that the comb plate is bent to a certain degree, at the moment, the capacity of bearing the vehicle pressure and the self deformation force is greatly enhanced due to the reduction of the rigidity of the comb plate, and the elastic plates also have certain damping effect, difficult fracture, this fishback security is high, has increased the life of fishback moreover, and later maintenance cost simultaneously.
Example 2
As shown in fig. 1 to 2, in this embodiment, the material of the elastic plate 3 is ethylene propylene rubber, isoprene rubber, or butadiene rubber, which is further optimized based on embodiment 1.
In the embodiment, the ethylene propylene rubber has excellent ozone resistance, ultraviolet resistance, weather resistance and aging resistance, is the first of general purpose rubbers, has good electrical insulation, chemical resistance and impact elasticity, is acid and alkali resistant, has small specific gravity, and can be highly filled and matched. The performance of the isoprene rubber is very close to that of natural rubber, and the isoprene rubber has excellent ageing resistance, elasticity and strength. The butadiene rubber has excellent elasticity and wear resistance, good aging resistance and excellent low temperature resistance, generates little heat under dynamic load, is easy for metal bonding, and the ethylene propylene rubber, the isoprene rubber and the butadiene rubber can meet the service performance of the elastic plate.
Example 3
As shown in fig. 1 to 2, the present embodiment is further optimized on the basis of embodiment 1, specifically, the anchoring device 2 includes an anchoring box 2.1 disposed in the first bridge, an upper surface of the anchoring box 2.1 is flush with an upper surface of the first bridge, a plurality of anchoring bolts 2.2 are disposed in the anchoring box 2.1, upper ends of the anchoring bolts 2.2 sequentially penetrate through the anchoring box 2.1 and the comb plate 1, an elastic sleeve 2.3 located in the anchoring box 2.1 is sleeved at a stud portion of the anchoring bolts 2.2, the elastic sleeve 2.3 is tightly pressed between nuts at the top of the anchoring box 2.1 and the bottom of the anchoring bolts 2.2, and the elastic sleeve 2.3 is made of styrene butadiene rubber, butyl rubber or chloroprene rubber.
In this embodiment, when the fishback takes place to buckle, fishback one end has an ascending pulling force to the anchor bolt in the anchor device, make the anchor bolt upwards extrusion deformation to the elastic sleeve, the elastic sleeve has offset a part of pulling force, the anchor bolt also has certain displacement simultaneously, thereby reduced anchor bolt to the constraining force of fishback, prevent that fishback or anchor bolt atress is too big and take place fracture damage, the stress between anchor bolt and the fishback has been improved, extension fishback life, the material of elastic sleeve is butadiene styrene rubber or butyl rubber or chloroprene rubber, ageing resistance is good, certain elasticity has, accord with operation requirement.
Example 4
As shown in fig. 1 to 2, the present embodiment is further optimized on the basis of embodiment 3, specifically, a plurality of through holes corresponding to the anchor bolts 2.2 one by one are formed on the upper surface of the comb plate 1, and the through holes are all hinged with the sealing covers 6 located above the corresponding anchor bolts 2.2.
In this embodiment, with the anchor bolt installation back, block up the opening with the closing cap shutoff of anchor bolt top, make anchor bolt and outside air keep apart, reduce the corrosion to anchor bolt, prolonged anchor bolt's life.
Example 5
As shown in fig. 1 to 2, the present embodiment is further optimized based on embodiment 3, specifically, the bottom end of the side wall of the anchoring box 2.1 is provided with a plurality of drainage holes 7.
In this embodiment, because some ponding are easily gathered to its service environment in the anchor case, set up a plurality of wash ports at anchor case lateral wall bottom, also set up in the first bridge simultaneously and correspond the communicating drainage channel of wash port, prevent that ponding from flooding anchor bolt and elastic sleeve to avoid arousing the water erosion to anchor bolt and elastic sleeve.
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 long service life's fishback telescoping device, including fishback (1) and anchor (2), fishback (1) one end is passed through anchor (2) and is connected on first bridge, fishback (1) other end overlap joint is on the second bridge, a serial communication port, fishback (1) inside is provided with at least two-layer elastic plate (3), the interval has between every two adjacent elastic plate (3), fishback (1) are close to the side of second bridge and have been seted up a plurality ofly and correspond elastic plate (3) complex installing port, all be provided with closure plate (4) in the installing port.
2. A comb plate retractor device with a long service life according to claim 1, wherein all blanking plates (4) are connected to the comb plate (1) by means of countersunk screws (5).
3. The comb plate retractor device of claim 1 or 2 wherein the elastic plate (3) is made of ethylene propylene rubber, isoprene rubber or butadiene rubber.
4. The comb plate expansion device with the long service life according to claim 1, characterized in that the anchoring device (2) comprises an anchoring box (2.1) arranged in the first bridge, the upper surface of the anchoring box (2.1) is flush with the upper surface of the first bridge, a plurality of anchoring bolts (2.2) are arranged in the anchoring box (2.1), the upper ends of the anchoring bolts (2.2) sequentially penetrate through the anchoring box (2.1) and the comb plate (1), an elastic sleeve (2.3) located in the anchoring box (2.1) is sleeved at a stud part in the anchoring bolt (2.2), and the elastic sleeve (2.3) is tightly abutted between the top in the anchoring box (2.1) and a nut at the bottom of the anchoring bolt (2.2).
5. The comb plate retractor device of claim 4 wherein the elastic sleeve (2.3) is made of styrene butadiene rubber, butyl rubber or neoprene rubber.
6. The comb plate expansion device with the long service life according to claim 4, characterized in that a plurality of through holes corresponding to the anchor bolts (2.2) in a one-to-one manner are formed on the upper surface of the comb plate (1), and the through holes are hinged with sealing covers (6) located above the corresponding anchor bolts (2.2).
7. The comb plate retractor device with a long service life according to claim 4, wherein the bottom end of the side wall of the anchoring box (2.1) is provided with a plurality of drainage holes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177433.2U CN209854542U (en) | 2019-02-01 | 2019-02-01 | Long service life's fishback telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177433.2U CN209854542U (en) | 2019-02-01 | 2019-02-01 | Long service life's fishback telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209854542U true CN209854542U (en) | 2019-12-27 |
Family
ID=68931402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177433.2U Expired - Fee Related CN209854542U (en) | 2019-02-01 | 2019-02-01 | Long service life's fishback telescoping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209854542U (en) |
-
2019
- 2019-02-01 CN CN201920177433.2U patent/CN209854542U/en not_active Expired - Fee Related
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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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |