CN218090479U - Novel pressure difference principle-based vibration suppression guide plate - Google Patents
Novel pressure difference principle-based vibration suppression guide plate Download PDFInfo
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- CN218090479U CN218090479U CN202222445875.5U CN202222445875U CN218090479U CN 218090479 U CN218090479 U CN 218090479U CN 202222445875 U CN202222445875 U CN 202222445875U CN 218090479 U CN218090479 U CN 218090479U
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Abstract
The utility model relates to the technical field of bridge engineering, in particular to a novel vibration suppression guide plate based on a pressure difference principle, which comprises a guide plate body, wherein the guide plate body comprises an inclined part and a horizontal part, the bottom surface of the horizontal part is provided with a guide body, the guide body comprises two positioning inclined plates and a transition inclined plate in a V shape, the two positioning inclined plates are symmetrically distributed on the bottom surface of the horizontal part and are fixedly connected with the horizontal part, one positioning inclined plate is parallel to and aligned with the inclined part, and the two ends of the top of the transition inclined plate are respectively fixedly connected with the two positioning inclined plates in a detachable way; the bottom surface of the horizontal part and the inner part of the flow guide body are provided with rails distributed along the length direction of the horizontal part. The utility model provides a rake has certain interval with horizontal part and case roof beam bottom, can fall into air current two upper and lower routes when the air current passes through and flow through to produce decurrent pressure differential, consequently can restrain the case roof beam and produce vortex induced vibration.
Description
Technical Field
The utility model relates to a bridge engineering technical field specifically is a novel guide plate that shakes based on pressure difference principle.
Background
With the increasing pace of construction of national high-speed railways, a plurality of newly built and proposed high-speed railway lines span large rivers or areas close to coastal areas, the geological conditions of the passing areas are complex, and the construction of a large-span bridge meeting the driving requirements of high-speed trains becomes a problem which is widely concerned. In a large-span bridge, a vortex-induced resonance phenomenon formed by incoming wind has a huge potential safety hazard on the running safety of a train, and in recent years, a plurality of vortex vibration events which are widely concerned by the public have occurred.
At present, the existing vortex vibration suppression measure is with installing tuyere and guide plate additional, and based on present data, the effect of shaking of tuyere is obviously superior to ordinary guide plate, nevertheless to the large-span bridge, the installing additional of tuyere can increase certain engineering volume, brings relevant cost problem, consequently, improves current ordinary guide plate, improves the effect of shaking of suppressing of guide plate, is the problem of treating at present urgently. Therefore, a novel vibration suppression guide plate based on the pressure difference principle is provided to well solve the defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel guide plate that shakes based on pressure differential principle for solve the problem that proposes among the above-mentioned background art.
The utility model discloses a can realize through following technical scheme:
a novel vibration suppression guide plate based on a pressure difference principle comprises a guide plate body, wherein the guide plate body comprises an inclined part and a horizontal part, a guide body is arranged on the bottom surface of the horizontal part, the guide body comprises two positioning inclined plates and a V-shaped transition inclined plate, the two positioning inclined plates are symmetrically distributed on the bottom surface of the horizontal part and are fixedly connected with the horizontal part, one positioning inclined plate is parallel to and aligned with the inclined part, and two ends of the top of the transition inclined plate are respectively and fixedly connected with the bottoms of the two positioning inclined plates in a detachable mode; and the bottom surface of the horizontal part and the inner part of the flow guide body are provided with rails distributed along the length direction of the horizontal part.
Preferably, the upper surfaces of the inclined part and the horizontal part are provided with a connecting side plate, and the connecting side plates are distributed along the width direction of the deflector body.
Preferably, the upper surface of the positioning sloping plate is uniformly provided with reinforcing ribs along the length direction of the positioning sloping plate, and the reinforcing ribs are fixedly connected with the bottom surface of the horizontal part.
Preferably, two the bottom of location swash plate all inwards turns over and rolls over the shaping and has the portion of bending, the portion of bending is the U style of calligraphy, the top both ends of transition swash plate all turn over 90 and shaping inwards and have connecting portion, two connecting portion imbed respectively to two in the portion of bending, just detachable fixed connection between portion of bending and the connecting portion.
Preferably, a plurality of first through holes are formed in the bending part in a penetrating manner, a plurality of second through holes are formed in the connecting part in a penetrating manner, and when the connecting part is embedded into the bending part, the first through holes and the second through holes are aligned; still include the mounting panel, the one side of mounting panel is equipped with a plurality of reference columns perpendicularly, the reference column runs through first through-hole and second through-hole.
Preferably, the outer wall of the bending part is close to one side of the mounting plate, a positioning stud is arranged on the mounting plate, a third through hole matched with the positioning stud is formed in the mounting plate in a penetrating mode, and the positioning stud penetrates through the corresponding position in the third through hole and fixes the mounting plate through a nut.
Compared with the prior art, the utility model provides a novel guide plate that shakes based on pressure difference principle possesses following beneficial effect:
1. the inclined part, the horizontal part and the bottom of the box girder have certain intervals, when the airflow passes through, the airflow can be divided into an upper path and a lower path to flow through, so that a downward pressure difference is generated, and the box girder can be inhibited from generating vortex-induced vibration;
2. the utility model discloses combine together maintenance car track and guide plate, avoided changing the holistic pneumatic appearance in case roof beam bottom owing to outstanding maintenance car track, help further restraining the vortex induced vibration.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the deflector body of the present invention;
FIG. 3 is a schematic view of the positioning sloping plate structure of the present invention;
fig. 4 is a schematic structural view of the transition sloping plate of the present invention;
FIG. 5 is an enlarged corresponding view taken at A in FIG. 1;
fig. 6 is a schematic view of the present invention additionally installed at the bottom of the box girder.
In the figure: 1. a deflector body; 101. an inclined portion; 102. a horizontal portion; 103. connecting the side plates; 2. a flow conductor; 201. positioning the inclined plate; 202. a transition sloping plate; 203. a reinforcing rib plate; 204. a bending part; 205. a connecting portion; 206. a first through hole; 207. a second through hole; 208. mounting a plate; 209. a positioning column; 210. positioning the stud; 211. a third through hole; 3. a track; 4. and (4) a box girder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment is as follows: referring to fig. 1-6, a novel vibration suppression guide plate based on a pressure difference principle comprises a guide plate body 1, wherein the guide plate body 1 comprises an inclined part 101 and a horizontal part 102, the upper surfaces of the inclined part 101 and the horizontal part 102 are provided with a connecting side plate 103, the connecting side plate 103 is distributed along the width direction of the guide plate body 1, the connecting side plate 103 is fixedly welded with the inclined part 101 and the horizontal part 102, and the connecting side plate 103 is fixedly screwed with the bottom surface of a box girder 4; the bottom surface of the horizontal portion 102 is provided with a flow guiding body 2, the flow guiding body 2 includes two positioning sloping plates 201 and a V-shaped transition sloping plate 202, the two positioning sloping plates 201 are symmetrically distributed on the bottom surface of the horizontal portion 102 and are fixedly connected with the horizontal portion 102, one of the positioning sloping plates 201 is parallel to and aligned with the sloping portion 101, the upper surface of the positioning sloping plate 201 is uniformly provided with reinforcing ribs 203 along the length direction thereof, as shown in fig. 3, the reinforcing ribs 203 are welded and fixed with the bottom surface of the horizontal portion 102.
The two ends of the top of the transition sloping plate 202 are respectively detachably and fixedly connected with the bottoms of the two positioning sloping plates 201; the bottoms of the two positioning sloping plates 201 are inwards turned over to form bent parts 204, the bent parts 204 are U-shaped, two ends of the top of the transition sloping plate 202 are inwards turned over by 90 degrees and are formed with connecting parts 205, the two connecting parts 205 are respectively embedded into the two bent parts 204, and the bent parts 204 and the connecting parts 205 are detachably and fixedly connected; a plurality of first through holes 206 are formed through the bending portion 204, as shown in fig. 3, a plurality of second through holes 207 are formed through the connecting portion 205, as shown in fig. 4, when the connecting portion 205 is embedded into the bending portion 204, the first through holes 206 and the second through holes 207 are aligned; the present embodiment further includes a mounting plate 208, a plurality of positioning pillars 209 are vertically disposed on one surface of the mounting plate 208, the positioning pillars 209 penetrate through the first through holes 206 and the second through holes 207, positioning studs 210 are welded on the outer wall of the bending portion 204 and the surface close to the mounting plate 208, third through holes 211 adapted to the positioning studs 210 are formed through the mounting plate 208, and the positioning studs 210 penetrate through the corresponding third through holes 211 and fix the position of the mounting plate 208 through nuts, as shown in fig. 5.
In the present embodiment, during specific assembly, the connecting side plates 103 need to be fixedly installed at the bottom of the box girder 4, as shown in fig. 6, then the connecting portions 205 at the two ends of the top of the transition inclined plate 202 are respectively embedded into the bending portions 204 at the bottoms of the two positioning inclined plates 201, and the first through holes 206 and the second through holes 207 are aligned, and finally the positions of the transition inclined plate 202 are fixed by using the mounting plates 208 and the positioning columns 209, so that the track 3 is sealed at the bottom of the baffle body 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel pressure differential principle-based flow guide plate that shakes presses down, includes flow guide plate body (1), its characterized in that: the flow guide plate comprises a flow guide plate body (1) and a flow guide plate body, wherein the flow guide plate body (1) comprises an inclined part (101) and a horizontal part (102), the bottom surface of the horizontal part (102) is provided with a flow guide body (2), the flow guide body (2) comprises two positioning inclined plates (201) and a V-shaped transition inclined plate (202), the two positioning inclined plates (201) are symmetrically distributed on the bottom surface of the horizontal part (102) and are fixedly connected with the horizontal part (102), one of the positioning inclined plates (201) is parallel to and aligned with the inclined part (101), and two ends of the top of the transition inclined plate (202) are respectively and fixedly connected with the bottoms of the two positioning inclined plates (201) in a detachable mode; and rails (3) distributed along the length direction of the horizontal part (102) are arranged on the bottom surface of the horizontal part (102) and inside the flow guide body (2).
2. The novel vibration suppression guide plate based on the pressure difference principle as claimed in claim 1, is characterized in that: and the upper surfaces of the inclined part (101) and the horizontal part (102) are provided with a connecting side plate (103) together, and the connecting side plates (103) are distributed along the width direction of the deflector body (1).
3. The novel vibration suppression guide plate based on the pressure difference principle as claimed in claim 1, is characterized in that: reinforcing ribs (203) are uniformly arranged on the upper surface of the positioning inclined plate (201) along the length direction of the positioning inclined plate, and the reinforcing ribs (203) are fixedly connected with the bottom surface of the horizontal part (102).
4. The novel vibration suppression guide plate based on the pressure difference principle is characterized in that: two the bottom of location swash plate (201) all turns over the shaping inwards and has the portion of bending (204), the portion of bending (204) is the U style of calligraphy, the top both ends of transition swash plate (202) all turn over 90 and the shaping inwards and have connecting portion (205), two connecting portion (205) are embedded into to two respectively in the portion of bending (204), just detachable fixed connection between portion of bending (204) and connecting portion (205).
5. The novel vibration suppression guide plate based on the pressure difference principle as claimed in claim 4, is characterized in that: a plurality of first through holes (206) are formed in the bending part (204) in a penetrating manner, a plurality of second through holes (207) are formed in the connecting part (205) in a penetrating manner, and when the connecting part (205) is embedded into the bending part (204), the first through holes (206) and the second through holes (207) are aligned; still include mounting panel (208), the one side of mounting panel (208) is equipped with a plurality of reference columns (209) perpendicularly, reference column (209) run through first through-hole (206) and second through-hole (207).
6. The novel vibration suppression guide plate based on the pressure difference principle as claimed in claim 5, is characterized in that: the outer wall of portion of bending (204) and being close to the one side of mounting panel (208) is equipped with positioning stud (210), run through on mounting panel (208) seted up with third through-hole (211) of positioning stud (210) adaptation, positioning stud (210) run through corresponding in third through-hole (211) and through the position of nut fixed mounting panel (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222445875.5U CN218090479U (en) | 2022-09-15 | 2022-09-15 | Novel pressure difference principle-based vibration suppression guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222445875.5U CN218090479U (en) | 2022-09-15 | 2022-09-15 | Novel pressure difference principle-based vibration suppression guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218090479U true CN218090479U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222445875.5U Active CN218090479U (en) | 2022-09-15 | 2022-09-15 | Novel pressure difference principle-based vibration suppression guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218090479U (en) |
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2022
- 2022-09-15 CN CN202222445875.5U patent/CN218090479U/en active Active
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