CN214939317U - Vibration damper for bridge widening construction - Google Patents
Vibration damper for bridge widening construction Download PDFInfo
- Publication number
- CN214939317U CN214939317U CN202120520704.7U CN202120520704U CN214939317U CN 214939317 U CN214939317 U CN 214939317U CN 202120520704 U CN202120520704 U CN 202120520704U CN 214939317 U CN214939317 U CN 214939317U
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- Prior art keywords
- bridge body
- connecting plates
- shaped connecting
- old
- bridge
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 30
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a bridge construction technical field specifically is a damping device is used in construction is widened to bridge, two surface position department symmetries are provided with two old pontic L shape connecting plates about the side of old pontic is located, two surface position department symmetries are provided with two new pontic L shape connecting plates about the side of new pontic is located. The utility model discloses, through vibrations absorbing structure, can absorb horizontal vibrations and vertical vibrations that the old bridge body produced effectively, reduce vibrations and to the new bridge body transmission, played fine guard action to the new bridge body, through quick fixing device, can fix two old bridge body L shape connecting plates and two new bridge body L shape connecting plates simple and fast ground to the convenience is fixed in the both sides of new bridge body and old bridge body with the device, reduces the installation degree of difficulty, has improved the efficiency of construction.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is a damping device is used in construction is widened to bridge.
Background
At present, bridges play a role in the traffic field, which is the most important way for crossing obstacles on roads, so that roads can pass without the limitation of rivers, lakes, seas and high mountain canyons, and the criss-cross viaducts in cities enable people to travel more conveniently. Due to social development and increasing population, the original bridge cannot meet the traffic requirements of people, so that the original bridge needs to be widened. In order to prevent the construction from affecting the normal passage of the old bridge body, a new bridge body is usually built on one side of the old bridge body, and then the new bridge body is connected with the old bridge body.
However, when the upper side of the old bridge body passes through a vehicle, vertical vibration and transverse vibration can be generated, the vibration is easily transmitted to the new bridge body, so that the deflection difference is generated between the new bridge body and the old bridge body, the new bridge body is influenced by concrete poured, and the construction quality of the new bridge body is influenced. Therefore, those skilled in the art have provided a vibration damping device for bridge widening construction to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a damping device is used in construction is widened to bridge to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a vibration damper for bridge widening construction comprises an old bridge body and a new bridge body, wherein two old bridge body L-shaped connecting plates are symmetrically arranged at the upper surface position and the lower surface position of the side edge of the old bridge body, two new bridge body L-shaped connecting plates are symmetrically arranged at the upper surface position and the lower surface position of the side edge of the new bridge body, two quick fixing devices with the same structure are respectively inserted and fixed between the old bridge body L-shaped connecting plates and the two new bridge body L-shaped connecting plates, vibration absorption structures with the same structure are respectively arranged between the two old bridge body L-shaped connecting plates and the two new bridge body L-shaped connecting plates, each quick fixing device comprises an insertion rod which is slidably inserted into the two old bridge body L-shaped connecting plates, the inner part of the insertion rod is rotatably connected with a clamping screw rod at the position of an axial lead, a telescopic rod is slidably inserted into one end of the inner side of the insertion rod, the clamping screw rod is meshed with the inner side of the telescopic rod through threads, the bottom end of the telescopic rod is fixed with a lower compression plate, and the outer side of the inserted rod is fixed with an upper compression plate at one end position.
As a further aspect of the present invention: vibrations absorbing structure is including being fixed in the connecting plate of one of them old pontic L shape connecting plate one side, the inboard sliding connection of connecting plate has the slider, three cavity has been seted up to the inside equidistant of slider, it is three sliding connection has the guide arm, three is all run through to the inside of cavity the outside of guide arm is located middle section position department and all is fixed with the bulge loop, and the both ends of three guide arm all are fixed mutually with the inboard of connecting plate, and is three the equal symmetrical connection in both sides of bulge loop has two damping spring, six damping spring's one end is equallyd divide and is do not connected with the both ends of three cavity.
As a further aspect of the present invention: the three rubber sleeve screws are fixed on one side of the outer portion of the sliding block at equal intervals, the three rubber sleeve screws penetrate through the inner portion of the L-shaped connecting plate of one new bridge body in a sliding insertion mode, two damping rubber sleeves are symmetrically sleeved on positions, located on two sides of the L-shaped connecting plate of the new bridge body, of the outer side of each rubber sleeve screw, and the tail ends of the three rubber sleeve screws are connected with compression nuts through threaded rotation.
As a further aspect of the present invention: and the two ends of the damping rubber sleeve are respectively provided with a pressing ring, and the two pressing rings are made of stainless steel.
As a further aspect of the present invention: and a limiting convex ring is fixed at one end of the outer side of the clamping screw rod and is rotatably connected to one end of the inner part of the inserted rod.
As a further aspect of the present invention: two the blotter is all pasted to one side of old pontic L shape connecting plate and two new pontic L shape connecting plates, four the blotter all adopts the component of rubber material.
As a further aspect of the present invention: and the two old bridge L-shaped connecting plates and the two new bridge L-shaped connecting plates are all members made of carbon steel, and the thicknesses of the two old bridge L-shaped connecting plates and the two new bridge L-shaped connecting plates are 1 cm.
As a further aspect of the present invention: the connecting plate and the L-shaped connecting plate of the old bridge body are fixed by welding, and the inner side of the connecting plate is matched with the outer side of the sliding block.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses, through vibrations absorbing structure, can absorb horizontal vibrations and vertical vibrations that the old bridge body produced effectively, reduce vibrations and to the new bridge body transmission, played fine guard action to the new bridge body, through quick fixing device, can fix two old bridge body L shape connecting plates and two new bridge body L shape connecting plates simple and fast ground to the convenience is fixed in the both sides of new bridge body and old bridge body with the device, reduces the installation degree of difficulty, has improved the efficiency of construction.
Drawings
FIG. 1 is a schematic structural view of a vibration damping device for bridge widening construction;
FIG. 2 is a front view of a vibration damping device for bridge widening construction;
FIG. 3 is a schematic structural view of a shock absorbing structure in a vibration damping device for bridge widening construction;
fig. 4 is a schematic structural view of a quick fixing device in a vibration damping device for bridge widening construction.
In the figure: 1. an old pontic; 2. a new pontic; 3. an old bridge body L-shaped connecting plate; 4. a new bridge body L-shaped connecting plate; 5. a connecting plate; 6. a slider; 7. a guide bar; 8. a convex ring; 9. a damping spring; 10. a rubber sleeve screw; 11. a shock-absorbing rubber sleeve; 12. a compression nut; 13. inserting a rod; 14. a telescopic rod; 15. a lower compression plate; 16. clamping the screw rod; 17. an upper compression plate; 18. a limit convex ring.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, a vibration damping device for bridge widening construction comprises an old bridge 1 and a new bridge 2, wherein two old L-shaped connecting plates 3 are symmetrically disposed at two upper and lower surface positions of a side edge of the old bridge 1, two new L-shaped connecting plates 4 are symmetrically disposed at two upper and lower surface positions of a side edge of the new bridge 2, two quick fixing devices having the same structure are respectively inserted and fixed between the two old L-shaped connecting plates 3 and the two new L-shaped connecting plates 4, and vibration absorbing structures having the same structure are respectively disposed between the two old L-shaped connecting plates 3 and the two new L-shaped connecting plates 4, each quick fixing device comprises an insertion rod 13 slidably inserted into the two old L-shaped connecting plates 3, and a clamping screw 16 is rotatably connected to the position of an axial lead inside the insertion rod 13, and an expansion link 14 is slidably inserted into one end of the inner side of the insertion rod 13, a clamping screw 16 is engaged with the inner side of the expansion link 14 through threads, a lower compression plate 15 is fixed at the bottom end of the expansion link 14, and an upper compression plate 17 is fixed at one end position of the outer side of the insertion rod 13.
In fig. 1 and 3: shock absorbing structure is including being fixed in connecting plate 5 of one of them old bridge body L shape connecting plate 3 one side, the inboard sliding connection of connecting plate 5 has slider 6, three cavity has been seted up to slider 6's inside equidistant, sliding connection has guide arm 7 all runs through in the inside of three cavity, the outside of three guide arm 7 is located middle section position department and all is fixed with bulge loop 8, and the both ends of three guide arm 7 all are fixed mutually with the inboard of connecting plate 5, the equal symmetric connection in both sides of three bulge loop 8 has two damping spring 9, the one end of six damping spring 9 is equallyd divide and is do not be connected with the both ends of three cavity, shock absorbing structure, can absorb horizontal vibrations and the vertical vibrations that produce old bridge body 1 effectively, reduce vibrations and transmit to new bridge body 2, fine guard action has been played new bridge body 2.
In fig. 1 and 2: the equidistant three rubber sleeve screw rods 10 that are fixed with in outside one side of slider 6, three rubber sleeve screw rods 10 all run through to slide and insert and locate the inside of one of them new pontic L shape connecting plate 4, and the equal symmetrical cover in both sides position department that the outside of three rubber sleeve screw rods 10 is located new pontic L shape connecting plate 4 is equipped with two yielding rubber cover 11, the end of three rubber sleeve screw rods 10 all is connected with gland nut 12 through the screw rotation, yielding rubber cover 11 is used for absorbing horizontal vibrations.
In fig. 1 and 2: the two ends of the three damping rubber sleeves 11 are respectively provided with a pressing ring, the two pressing rings are made of stainless steel materials, and the pressing rings are used for dispersing pressure to enable the two ends of the damping rubber sleeves 11 to be evenly stressed.
In fig. 4: a limiting convex ring 18 is fixed at one end of the outer side of the clamping screw 16, the limiting convex ring 18 is rotatably connected to one end of the inner part of the inserting rod 13, and the limiting convex ring 18 is used for limiting the clamping screw 16.
In fig. 1: one side of two old pontic L shape connecting plates 3 and two new pontic L shape connecting plates 4 all pastes and has the blotter, and four blotters all adopt the component of rubber material, and the blotter plays the effect of protection bridge floor, has certain shock attenuation effect simultaneously.
In fig. 1: two old bridge body L shape connecting plates 3 and two new bridge body L shape connecting plates 4 all adopt the component of carbon steel material, and the thickness of two old bridge body L shape connecting plates 3 and two new bridge body L shape connecting plates 4 is 1 centimetre, and the component intensity of carbon steel material is high, improves the intensity of device.
In fig. 1: the connecting plate 5 and the old bridge L-shaped connecting plate 3 are fixed by welding, the inner side of the connecting plate 5 is matched with the outer side of the sliding block 6, and the welding fixation can improve the stability of the device.
The utility model discloses a theory of operation is: arranging two L-shaped connecting plates 3 of an old bridge body on the upper side and the lower side of an old bridge body 1, arranging two L-shaped connecting plates 4 of a new bridge body on the upper side and the lower side of a new bridge body 2, inserting an insertion rod 13 into the L-shaped connecting plates 3 of the old bridge body, inserting a telescopic rod 14 into the inner side of the insertion rod 13, rotating a clamping screw 16, driving the telescopic rod 14 to move towards the inner side of the insertion rod 13 by threaded engagement of the clamping screw 16, driving a lower pressing plate 15 to move by the telescopic rod 14, enabling the lower pressing plate 15 to be attached to the lower side of the old bridge body 1, enabling an upper pressing plate 17 to be attached to the upper side of the old bridge body 1, clamping the L-shaped connecting plates 3 of the two old bridge bodies on the two sides of the old bridge body 1, clamping the L-shaped connecting plates 4 of the two new bridge bodies on the two sides of the new bridge body 2 by the same method, driving the old bridge body 1 to vibrate the connecting plates 5 to move up and down when the old bridge body 1 generates vertical direction, connecting plate 5 drives guide arm 7 and bulge loop 8 and reciprocates, bulge loop 8 compresses and stretches damping spring 9, damping spring 9 will shake the absorption, can reduce vibrations to slider 6 transmission, thereby reduce vibrations to the transmission of new pontic L shape connecting plate 4, new pontic 2 has been protected, when old pontic 1 produces horizontal vibrations, old pontic 1 drives connecting plate 5 and the horizontal vibrations of slider 6, the yielding rubber cover 11 in the rubber cover screw rod 10 outside is compressed, the horizontal vibrations of yielding rubber cover 11 absorption, reduce vibrations and transmit to new pontic L shape connecting plate 4, thereby fine shock attenuation guard action has been played to new pontic 2.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A vibration damper for bridge widening construction comprises an old bridge body (1) and a new bridge body (2), and is characterized in that two L-shaped connecting plates (3) of the old bridge body are symmetrically arranged at the upper surface position and the lower surface position of the side edge of the old bridge body (1), two L-shaped connecting plates (4) of the new bridge body are symmetrically arranged at the upper surface position and the lower surface position of the side edge of the new bridge body (2), two quick fixing devices with the same structure are inserted and fixed between the two L-shaped connecting plates (3) of the old bridge body and the two L-shaped connecting plates (4) of the new bridge body, and vibration absorption structures with the same structure are respectively arranged between the two L-shaped connecting plates (3) of the old bridge body and the two L-shaped connecting plates (4) of the new bridge body;
quick fixing device is including sliding to insert and locate inside inserted bar (13) of two old pontics L shape connecting plates (3), the inside of inserted bar (13) is located axial lead position department and rotates and is connected with clamping screw (16), and the inboard one end of inserted bar (13) slides and inserts and be equipped with telescopic link (14), clamping screw (16) mesh mutually through the inboard of screw thread with telescopic link (14), the bottom mounting of telescopic link (14) has lower clamp plate (15), the outside of inserted bar (13) is located one end position department and is fixed with pressure strip (17).
2. The vibration damping device for bridge widening construction according to claim 1, wherein the vibration absorbing structure comprises a connecting plate (5) fixed on one side of an L-shaped connecting plate (3) of one old bridge body, a sliding block (6) is slidably connected to the inner side of the connecting plate (5), three cavities are formed in the sliding block (6) at equal intervals, a guide rod (7) penetrates through the three cavities, a convex ring (8) is fixed to the middle position of the outer side of the guide rod (7), two ends of the three guide rod (7) are fixed to the inner side of the connecting plate (5), two damping springs (9) are symmetrically connected to two sides of the convex ring (8), and one end of each damping spring (9) is connected to two ends of each cavity.
3. The vibration damping device for bridge widening construction according to claim 2, wherein three rubber sleeve screws (10) are fixed on one side of the outer portion of the sliding block (6) at equal intervals, the three rubber sleeve screws (10) are inserted into one of the L-shaped connecting plates (4) of the new bridge body in a penetrating and sliding mode, two damping rubber sleeves (11) are symmetrically sleeved on positions, located on two sides of the L-shaped connecting plate (4) of the new bridge body, of the outer sides of the three rubber sleeve screws (10), and the tail ends of the three rubber sleeve screws (10) are connected with compression nuts (12) in a rotating mode through threads.
4. The vibration damping device for bridge widening construction according to claim 3, wherein compression rings are fixed to two ends of each of the three damping rubber sleeves (11), and each of the two compression rings is made of a stainless steel member.
5. The vibration damping device for bridge widening construction according to claim 1, wherein a limiting convex ring (18) is fixed at one end position outside the clamping screw (16), and the limiting convex ring (18) is rotatably connected to one end of the inner part of the inserted rod (13).
6. The vibration damping device for bridge widening construction according to claim 1, wherein one side of each of the two old L-shaped connecting plates (3) and the two new L-shaped connecting plates (4) is adhered with a cushion pad, and four cushion pads are made of rubber.
7. The vibration damping device for bridge widening construction according to claim 1, wherein the two old bridge L-shaped connecting plates (3) and the two new bridge L-shaped connecting plates (4) are both made of carbon steel, and the two old bridge L-shaped connecting plates (3) and the two new bridge L-shaped connecting plates (4) are both 1 cm in thickness.
8. The vibration damper for bridge widening construction according to claim 2, wherein the connecting plate (5) and the L-shaped connecting plate (3) of the old bridge body are fixed by welding, and the inner side of the connecting plate (5) is matched with the outer side of the sliding block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120520704.7U CN214939317U (en) | 2021-03-12 | 2021-03-12 | Vibration damper for bridge widening construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120520704.7U CN214939317U (en) | 2021-03-12 | 2021-03-12 | Vibration damper for bridge widening construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214939317U true CN214939317U (en) | 2021-11-30 |
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ID=79118740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120520704.7U Expired - Fee Related CN214939317U (en) | 2021-03-12 | 2021-03-12 | Vibration damper for bridge widening construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214939317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411570A (en) * | 2022-03-11 | 2022-04-29 | 浙江嘉顺金属结构有限公司 | Modular steel structure for high-strength bridge and installation and construction method |
-
2021
- 2021-03-12 CN CN202120520704.7U patent/CN214939317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411570A (en) * | 2022-03-11 | 2022-04-29 | 浙江嘉顺金属结构有限公司 | Modular steel structure for high-strength bridge and installation and construction method |
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| 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: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |