CN114319094A - Anti-tilting cleaning-free comb plate expansion device - Google Patents
Anti-tilting cleaning-free comb plate expansion device Download PDFInfo
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- CN114319094A CN114319094A CN202210024665.0A CN202210024665A CN114319094A CN 114319094 A CN114319094 A CN 114319094A CN 202210024665 A CN202210024665 A CN 202210024665A CN 114319094 A CN114319094 A CN 114319094A
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- comb plate
- plate
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- movable
- comb
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004873 anchoring Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 239000000428 dust Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention belongs to a telescopic device, and particularly relates to an anti-tilting cleaning-free comb plate telescopic device. The expansion joint comprises a movable comb plate and a fixed comb plate, wherein the root part of the movable comb plate is connected with one side beam end or bridge abutment, the front part of the movable comb plate is lapped on the expansion joint, the fixed comb plate is opposite to comb teeth of the movable comb plate and is fixed at the other side beam end or bridge abutment, a fixed comb plate backing plate is arranged below the lapping part of the two comb plates, and a rubber water stop belt is arranged in the expansion joint; the beam end or the bridge abutment which is positioned on one side of the root of the movable comb plate is provided with a rotating sleeve which is coaxial with the expansion joint, the rotating sleeve is internally and rotatably matched with a rotating shaft, the root of the movable comb plate is fixed with the rotating shaft and can rotate along the rotating sleeve, the lower surface of the root of the movable comb plate is provided with a corner gap with the beam end or the bridge abutment below the lower surface of the root of the movable comb plate, and the outlet of the vent pipe is positioned in the space surrounded by the movable comb plate and/or the fixed comb plate and the comb teeth of the movable comb plate and/or the fixed comb plate. The invention solves the problems of damage and the like caused by easy upwarp of the toothed plate in the prior art, and has the advantages that the toothed plate is not easy to upwarp, sundries are not easy to accumulate in the gaps of the comb plate, and the like.
Description
Technical Field
The invention belongs to a telescopic device, and particularly relates to an anti-tilting cleaning-free comb plate telescopic device.
Background
As road and bridge traffic construction advances deeply, the comb plate retractor, which is one of the important types of bridge retractors, is widely used by virtue of its low noise and driving comfort. The general technical conditions of highway bridge expansion devices (JT/T327-2016) set clear requirements on the basic structure, classification, product performance, manufacturing material and detection method of the comb plate expansion device. Along with the increase of service time, some drawbacks also show gradually to the fishback telescoping device. Firstly, in the use, ordinary fishback telescoping device movable tooth plate can cause the pinion rack to damage because of various reasons perk such as load or subside, and the noise increase endangers driving safety even. Secondly, in the use of fishback expansion joint, dirt, gravel can be piled up to fishback clearance department. When the main toothed plate is deformed due to load, a gap is formed between the toothed plate and the lower structure. Gravel and dust can enter the lower part of the toothed plate, so that the toothed plate cannot be restored after tilting. Thirdly, the vertical constraining force is introduced to current proof warp fishback telescoping device, and the restriction perk, nevertheless because of the clearance can't avoid appearing in its structural design, lead to grit, dust to get into the clearance, cause the clearance can't reply.
The applicant does not find the same or similar literature reports after searching.
Disclosure of Invention
The invention provides a tilting-prevention cleaning-free comb plate telescopic device, which is characterized in that a toothed plate is structurally improved, and meanwhile, sundries in a gap between adjacent comb teeth of a fixed comb plate and a movable comb plate are removed by utilizing high-pressure gas, so that the comb plate can be effectively prevented from tilting, and the possibility that the sundries enter the gap between parts is greatly reduced.
The overall technical concept of the invention is as follows:
the anti-tilting cleaning-free comb plate expansion device comprises a movable comb plate and a fixed comb plate, wherein the root part of the movable comb plate is connected with the beam end or the bridge abutment on one side of an expansion joint, the front part of the movable comb plate is lapped on the expansion joint, the fixed comb plate is opposite to comb teeth of the movable comb plate and is fixed at the beam end or the bridge abutment on the other side of the expansion joint, a fixed comb plate backing plate is arranged below the lapping part of the movable comb plate and the fixed comb plate, and a rubber water stop belt is arranged in the expansion joint; the beam end or the bridge abutment which are positioned on one side of the root of the movable comb plate are provided with rotating sleeves which are coaxial with the expansion joint, the rotating sleeves are matched with the rotating sleeves in a rotating mode, the root of the movable comb plate is fixed with the rotating shafts and can rotate along the rotating sleeves, the lower surface of the root of the movable comb plate is provided with a corner gap with the beam end or the bridge abutment below the lower surface of the root of the movable comb plate, and an outlet of a vent pipe connected with an external high-pressure air source is positioned in the space surrounded by the lower portion of the movable comb plate and/or the fixed comb plate and the two comb teeth.
The specific technical structure of the invention is as follows:
in order to realize the fixation of the rotating sleeve with the beam end and the abutment, the preferred technical realization means is that the rotating sleeve is fixed with the beam end or the abutment through an anchoring component.
More preferably, the anchoring member is one or a combination of an anchoring rib and an anchoring plate which are connected with the rotating sleeve into a whole and can be anchored with the beam end or the bridge abutment.
In order to realize the fixation of the fixed comb plate with the beam end and the bridge foundation, the preferred technical implementation mode is that the fixed comb plate is fixed with an anchoring sleeve pre-embedded in the beam end or the bridge foundation through a fastening bolt.
In order to facilitate the installation of the rubber water stop, the preferable technical implementation mode is that angle steel is fixed on the beam ends or the bridge abutment at the two ends of the expansion joint, and the two sides of the rubber water stop are fixed with the angle steel.
In order to further realize the positioning of the rotating shaft, the preferable technical means is that two ends of the rotating shaft extend and are in sleeved key fit with the rotating seat and provided with corner gaps, and the rotating seat is anchored with the beam end or the bridge abutment.
The external high-pressure air source is mainly used for supplying air to the ventilating pipe to remove sundries in the clearance of the comb plate, and the preferable technical implementation means is that the external high-pressure air source comprises a high-pressure air tank connected with an air compressor, the air compressor is connected with a power supply, and the high-pressure air tank is connected with the air pipe through a controller. The applicant shows that the controller in the present invention can be flexibly selected and matched as required, and can be implemented by using a manual switch or a wireless manner to implement remote timing control, because the implementation of the control manner belongs to the prior art and has mature commercial products, the applicant does not describe the technical structure herein again.
In order to realize energy supply and meet the requirement of energy saving, a preferable technical implementation means is that the power supply adopts a solar power supply assembly, and the solar power supply assembly comprises a solar cell panel, a storage battery and the like.
In order to facilitate the guide linear matching between the comb teeth of the movable comb plate and the fixed comb plate, the preferable technical implementation means is that the movable comb plate or the fixed comb plate is matched with each other by adopting a linear guide rail sliding block.
In order to meet the requirement of improving the structural strength of the parts on the premise of flexible matching of the parts and reduce the matching clearance of sundries entering the parts, the more preferable technical implementation means is that two sides of the adjoining part of the comb teeth of the movable comb plate or the fixed comb plate adopt mutually-matched step-shaped working faces, the end face of the comb teeth of the fixed comb plate is in a T shape, the end face of the comb teeth of the movable comb plate is in an inverted T shape, and the laminating part of the step-shaped working face is superposed with a rubber sealing strip and a stainless steel pressing plate.
For reducing the accumulation of debris in spare part fit clearance, be convenient for high-pressure gas clears up it, preferred technical implementation means is, the fixed fishback plate backing plate upper surface that is located fixed fishback broach clearance be equipped with the V-arrangement guide rail, the V-arrangement clamp plate with the V-arrangement guide rail adaptation is connected to activity fishback broach lower surface, set up the air vent with the breather pipe intercommunication on the V-arrangement clamp plate, the air vent opening is towards the space that the broach of activity fishback and fixed fishback centers on.
In order to reduce the impact between the parts, the preferable technical implementation means is that a rubber cushion plate is arranged between the V-shaped guide rail and the fixed comb plate cushion plate.
The invention has the substantive characteristics and the obvious technical progress that:
1. the movable comb plate root is connected with the rotating shaft, the rotation within the design range is carried out in the rotating sleeve, the deformation and the rotation of the toothed plate are adapted, and the tilting of the toothed plate can be effectively prevented.
2. The rotating sleeve is long and connected with the anchoring rib and the anchoring plate, the rotating seat is matched to effectively realize axial positioning of the rotating shaft, the rotating sleeve, the rotating seat and the rotating shaft can be installed firstly during installation, and then the movable comb plate is connected with the rotating shaft through a bolt. The rotating sleeve and the rotating seat contain the rotating shaft, further anchoring is not needed, and the installation is convenient and the matching reliability of parts is high.
3. The comb tooth adjacent part of activity fishback and fixed fishback adopts the structural design of linear guide slider, and both effective cooperations can prevent the perk of activity fishback, and the two working face sets up rubber seal strip and stainless steel clamp plate, makes the upper and lower broach working face realize the elasticity laminating, remains the rotation function under the holding pressure condition to adapt to the fishback deformation.
4. At fixed fishback broach clearance and adopt the structural design of V-arrangement guide rail and V-arrangement clamp plate bottom the fishback broach, except playing the effect that supports the fishback, the gravel that still can make the entering, dust can't pile up on fishback glide plane, have avoided the possibility that gets into the broach bottom surface as far as possible. The V-arrangement guide rail bottom is equipped with the rubber backing plate, can take place thickness variation along with the pinion rack deformation, makes the V-arrangement guide rail laminate with the activity fishback all the time, reduces the appearance in gap.
5. The V-shaped pressing plate is provided with an air vent connected with the air pipe, and the high-pressure air nozzle can blow dust and gravel accumulated in the gap of the comb plate into the beam end or blow the bottom surface along a reserved channel at the end part of the V-shaped guide rail by control.
6. The power supply can adopt a solar power supply mode, and effectively saves energy while meeting the requirements of field operation.
Drawings
The attached drawings of the invention are as follows:
FIG. 1 is a schematic view of an application structure of the expansion device of the present invention without a high pressure dust removing device.
FIG. 2 is a schematic view of an application structure of the telescopic device of the present invention including a high pressure dust removing device.
Fig. 3 is a schematic view of the matching section structure of the main and auxiliary toothed plates of the retractor device of the present invention.
Fig. 4 is a partially enlarged view of portion i in fig. 3.
Fig. 5 is a top external view of the rotating sleeve.
Fig. 6 is a view from a-a of fig. 5.
Fig. 7 is an external view of the retractor of the present invention.
Fig. 8 is a top view in the direction B of fig. 7.
Fig. 9 is a bottom view C of fig. 7.
The reference numerals in the present invention are as follows:
1. anchoring ribs; 2. an anchoring plate; 3. rotating the sleeve; 4. a rotating shaft; 5. a movable comb plate; 6. fixing the comb plate; 7. fastening a bolt; 8. fixing a comb plate backing plate; 9. an anchoring sleeve; 10. a V-shaped pressing plate; 11. a vent hole; 12. a V-shaped guide rail; 13. a rubber pad; 14. a rubber seal strip; 15. a stainless steel pressure plate; 16. a breather pipe; 17. a rubber waterstop; 18. angle steel; 19. a high pressure air tank; 20. an air compressor; 21. a controller; 22. a power source; 23. and (6) rotating the seat.
Detailed Description
The accompanying drawings are included to provide a further understanding of the embodiments of the invention, and are incorporated in and constitute a part of this specification.
Examples
The overall structure of the embodiment is as shown in the figure, wherein the expansion joint comprises a movable comb plate 5, a fixed comb plate 6 and a fixed comb plate backing plate 8, wherein the root part of the movable comb plate 5 is connected with the beam end or the bridge abutment on one side of the expansion joint, the front part of the movable comb plate is lapped on the expansion joint, the fixed comb plate 6 is opposite to the comb teeth of the movable comb plate and is fixed at the beam end or the bridge abutment on the other side of the expansion joint, the lapping part of the movable comb plate 5 and the fixed comb plate 6 is provided with the fixed comb plate backing plate 8, and a rubber water stop 17 is arranged in the expansion joint; be located and be equipped with the rotation cover 3 with the axial in the expansion joint on the beam-ends or the abutment of 5 root one sides of activity fishback, it has axis of rotation 4 to rotate 3 internal rotation fit in the cover, 5 roots of activity fishback are fixed and can follow rotation cover 3 rotation with axis of rotation 4, 5 root lower surfaces of activity fishback are equipped with the corner clearance rather than the beam-ends or the abutment of below, the export of the breather pipe 16 of being connected with outside high pressurized air source is located activity fishback 5 or fixed fishback 6 lower part and towards the space that the two broach centers on.
The rotating sleeve 3 is fixed with the beam end or the bridge abutment through an anchoring component. The anchoring component adopts the combination of an anchoring rib 1 and an anchoring plate 2 which are connected with the rotating sleeve 3 into a whole and can be anchored with a beam end or a bridge abutment.
The fixed comb plate 6 is fixed with an anchoring sleeve 9 pre-embedded in a beam end or a bridge foundation through a fastening bolt 7.
Two ends of the rotating shaft 4 extend and are in sleeved key fit with the rotating seat 23, and a corner gap is formed between the rotating seat 23 and the beam end or the abutment for anchoring.
The external high pressure air source comprises a high pressure air tank 19 connected to an air compressor 20, the air compressor 20 is connected to a power source 22, and the high pressure air tank 19 is connected to the air pipe 16 through a controller 21.
The power supply 22 adopts a solar power supply assembly.
The comb teeth of the movable comb plate 5 or the fixed comb plate 6 are matched with each other by linear guide rail sliding blocks. The two sides of the adjacent position of the comb teeth of the movable comb plate 5 or the fixed comb plate 6 adopt mutually-matched step-shaped working surfaces, the end surface of the comb teeth of the fixed comb plate 6 is in a T shape, the end surface of the comb teeth of the movable comb plate 5 is in an inverted T shape, and a rubber sealing strip 14 and a stainless steel pressing plate 15 are superposed on the joint part of the step-shaped working surfaces.
The utility model discloses a comb structure, including fixed fishback plate backing plate 8, be located fixed fishback 6 broach clearance the upper surface be equipped with V-arrangement guide rail 12, the V-arrangement clamp plate 10 with V-arrangement guide rail 12 adaptation is connected to 5 lower surfaces of activity fishback, set up on the V-arrangement clamp plate 10 with the air vent 11 of 16 intercommunications of breather pipe, the space that the broach that air vent 11 opening orientation activity fishback 5 and fixed fishback 6 centers on.
And a rubber backing plate 13 is arranged between the V-shaped guide rail 12 and the fixed comb plate backing plate 8.
The remainder being as described above.
Claims (12)
1. The anti-tilting cleaning-free comb plate expansion device comprises a movable comb plate (5) of which the root part is connected with the beam end or the bridge abutment on one side of the expansion joint and the front part is lapped on the expansion joint, and a fixed comb plate (6) which is opposite to the comb teeth and is fixed at the beam end or the bridge abutment on the other side of the expansion joint, wherein a fixed comb plate backing plate (8) is arranged below the lapping part of the movable comb plate (5) and the fixed comb plate (6), and a rubber water stop belt (17) is arranged in the expansion joint; the expansion joint rotating sleeve is characterized in that a rotating sleeve (3) which is coaxial with the expansion joint is arranged on the beam end or the bridge abutment on one side of the root of the movable comb plate (5), a rotating shaft (4) is arranged in the rotating sleeve (3) in a rotating fit mode, the root of the movable comb plate (5) is fixed with the rotating shaft (4) and can rotate along the rotating sleeve (3), the lower surface of the root of the movable comb plate (5) is provided with a corner gap with the beam end or the bridge abutment below the lower surface of the root of the movable comb plate, and an outlet of a vent pipe (16) connected with an external high-pressure air source is located at the lower part of the movable comb plate (5) and/or the fixed comb plate (6) and faces the space surrounded by the two comb teeth.
2. The anti-lifting cleaning-free comb plate retractor device according to claim 1, wherein the rotating sleeve (3) is fixed to the beam end or the abutment through an anchoring member.
3. The anti-tilting cleaning-free comb plate retractor device according to claim 2, wherein the anchoring member is one or a combination of an anchoring rib (1) and an anchoring plate (2) which are connected with the rotating sleeve (3) into a whole and can be anchored with a beam end or an abutment.
4. The anti-tilting cleaning-free comb plate expansion device according to claim 1, wherein the fixed comb plate (6) is fixed with an anchoring sleeve (9) pre-embedded in a beam end or a bridge foundation through a fastening bolt (7).
5. The anti-tilting cleaning-free comb plate expansion device according to claim 1, wherein angle steel (18) is fixed on the beam ends or the bridge abutment at the two ends of the expansion joint, and the two sides of the rubber water stop (17) are fixed with the angle steel (18).
6. The anti-tilting cleaning-free comb plate retractor device according to any one of claims 1-3, wherein the two ends of the rotating shaft (4) extend and are in nested key fit with the rotating seat (23) and provided with a corner gap, and the rotating seat (23) is anchored with the beam end or the bridge abutment.
7. The anti-warping cleaning-free comb plate retractor device according to claim 1, wherein the external high pressure air source comprises a high pressure air tank (19) connected with an air compressor (20), the air compressor (20) is connected with a power supply (22), and the high pressure air tank (19) is connected with an air pipe (16) through a controller (21).
8. The anti-cocking cleaning-free combplate retractor device according to claim 7 wherein the power source (22) is a solar power source assembly.
9. The anti-tilting cleaning-free comb plate expansion device according to claim 1, wherein the comb teeth of the movable comb plate (5) or the fixed comb plate (6) are matched with each other by linear guide rail sliding blocks.
10. The anti-tilting cleaning-free comb plate expansion device according to claim 9, wherein mutually-matched step-shaped working surfaces are adopted at two sides of the adjacent position of the comb teeth of the movable comb plate (5) or the fixed comb plate (6), the end surface of the comb teeth of the fixed comb plate (6) is in a T shape, the end surface of the comb teeth of the movable comb plate (5) is in an inverted T shape, and a rubber sealing strip (14) and a stainless steel pressing plate (15) are superposed on the joint part of the step-shaped working surfaces.
11. The anti-tilting cleaning-free comb plate stretching device according to claim 9 or 10, wherein a V-shaped guide rail (12) is arranged on the upper surface of the fixed comb plate backing plate (8) positioned in the gap between the comb teeth of the fixed comb plate (6), a V-shaped pressing plate (10) matched with the V-shaped guide rail (12) is connected to the lower surface of the movable comb plate (5), an air vent (11) communicated with an air pipe (16) is formed in the V-shaped pressing plate (10), and the opening of the air vent (11) faces to the space surrounded by the comb teeth of the movable comb plate (5) and the fixed comb plate (6).
12. The anti-tilting cleaning-free comb plate retractor device according to claim 11, wherein a rubber pad (13) is disposed between the V-shaped guide rail (12) and the fixed comb plate pad (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210024665.0A CN114319094A (en) | 2022-01-07 | 2022-01-07 | Anti-tilting cleaning-free comb plate expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210024665.0A CN114319094A (en) | 2022-01-07 | 2022-01-07 | Anti-tilting cleaning-free comb plate expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114319094A true CN114319094A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210024665.0A Pending CN114319094A (en) | 2022-01-07 | 2022-01-07 | Anti-tilting cleaning-free comb plate expansion device |
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| Country | Link |
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| CN (1) | CN114319094A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203741698U (en) * | 2014-01-22 | 2014-07-30 | 武汉臣基工程科技有限公司 | Assembly type multidirectional displacement bridge expansion device |
| CN206396629U (en) * | 2016-12-26 | 2017-08-11 | 河北省交通规划设计院 | A kind of Fast Installation fishback retractor device |
| CN109868733A (en) * | 2019-03-18 | 2019-06-11 | 庄振亮 | The hardened structure of comb teeth shape bridge expanssion joint and its comb teeth shape expansion joint cleaning plant |
| CN112064498A (en) * | 2020-09-14 | 2020-12-11 | 蒋明敏 | Comb-shaped bridge expansion joint plate structure and cleaning device thereof |
| CN213951924U (en) * | 2020-09-24 | 2021-08-13 | 衡水中交信德工程橡塑有限公司 | Comb tooth type expansion device with vertical rotation angle |
| CN113718642A (en) * | 2021-09-13 | 2021-11-30 | 河北宝力工程装备股份有限公司 | Prestress anti-warping tooth mechanism of comb plate expansion device and application of prestress anti-warping tooth mechanism in comb plate expansion device |
| CN215052057U (en) * | 2021-04-29 | 2021-12-07 | 河北宝力工程装备股份有限公司 | Variable cross-section comb tooth type expansion device |
-
2022
- 2022-01-07 CN CN202210024665.0A patent/CN114319094A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203741698U (en) * | 2014-01-22 | 2014-07-30 | 武汉臣基工程科技有限公司 | Assembly type multidirectional displacement bridge expansion device |
| CN206396629U (en) * | 2016-12-26 | 2017-08-11 | 河北省交通规划设计院 | A kind of Fast Installation fishback retractor device |
| CN109868733A (en) * | 2019-03-18 | 2019-06-11 | 庄振亮 | The hardened structure of comb teeth shape bridge expanssion joint and its comb teeth shape expansion joint cleaning plant |
| CN112064498A (en) * | 2020-09-14 | 2020-12-11 | 蒋明敏 | Comb-shaped bridge expansion joint plate structure and cleaning device thereof |
| CN213951924U (en) * | 2020-09-24 | 2021-08-13 | 衡水中交信德工程橡塑有限公司 | Comb tooth type expansion device with vertical rotation angle |
| CN215052057U (en) * | 2021-04-29 | 2021-12-07 | 河北宝力工程装备股份有限公司 | Variable cross-section comb tooth type expansion device |
| CN113718642A (en) * | 2021-09-13 | 2021-11-30 | 河北宝力工程装备股份有限公司 | Prestress anti-warping tooth mechanism of comb plate expansion device and application of prestress anti-warping tooth mechanism in comb plate expansion device |
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