CN112252175A - Telescopic device for preventing suspension bridge from shaking - Google Patents
Telescopic device for preventing suspension bridge from shaking Download PDFInfo
- Publication number
- CN112252175A CN112252175A CN202011229546.6A CN202011229546A CN112252175A CN 112252175 A CN112252175 A CN 112252175A CN 202011229546 A CN202011229546 A CN 202011229546A CN 112252175 A CN112252175 A CN 112252175A
- Authority
- CN
- China
- Prior art keywords
- plate
- bracket
- connecting bolt
- fishback
- fixed
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
Abstract
The utility model provides an anti telescoping device that suspension bridge rocked, includes first fishback and the second fishback of mutual flexible cooperation, and the root of first fishback is connected on first supporting component, and the second fishback is installed on second supporting component, its characterized in that: first supporting member includes that top-down locates bracket and PMKD of first fishback below in proper order, and PMKD is used for fixing at the beam-ends portion, and first fishback, bracket and PMKD are connected through first connecting bolt, and the root of first fishback rotates to be connected on the bracket, and PMKD can rotate round the relative bracket of first connecting bolt and first fishback level. This telescoping device that anti suspension bridge rocked's first fishback root rotates to be connected on the bracket, and PMKD can rotate round relative bracket of connecting bolt and first fishback level, and like this, the expansion joint device has the multidirectional function that shifts to make the telescoping device can adapt to rocking of suspension bridge, avoid the suspension bridge to rock and produce the damage to the telescoping device.
Description
Technical Field
The invention relates to the field of expansion joints, in particular to a telescopic device capable of resisting shaking of a suspension bridge.
Background
The suspension bridge is a flexible cable suspension bridge structure taking main cable tension as a main bearing component. The load of the main beam, the second-stage dead load, the live load of the automobile, the temperature action, the strong wind, the earthquake and the like is transmitted to the main cable through the sling, and finally, the main cable transmits all the load to the foundation through the main tower or the anchorage. The expansion joint is a structural joint which is arranged for preventing the structure of a building component from cracking or damaging due to climate temperature change (thermal expansion and cold contraction), and a comb plate expansion device is required to be installed at the structural joint for ensuring the safety of personnel and driving. In the daily use of suspension bridge, because the influence of some external factors, for example wind-force etc. suspension bridge can produce and rock, at this moment easily produces the destruction to the structure of ordinary expansion joint, and then leads to the trouble of expansion joint. Therefore, it is desirable to provide a telescopic device that can resist sway of a suspension bridge.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a suspension bridge shake-resistant telescopic device which can prevent damage to the telescopic device caused by suspension bridge shake.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an anti telescoping device that suspension bridge rocked, includes first fishback and the second fishback of mutual flexible cooperation, the root of first fishback is connected on first supporting member, the second fishback is installed on second supporting member, its characterized in that: first supporting member includes that top-down locates bracket and PMKD of first fishback below in proper order, PMKD is used for fixing at the beam-ends portion, first fishback, bracket and PMKD are connected through first connecting bolt, and the root of first fishback rotates and connects on the bracket, PMKD can round the relative bracket of first connecting bolt and the horizontal rotation of first fishback.
Preferably, the bracket top is equipped with the mounting groove of arranging along the bridge transverse direction, installs the pivot in the mounting groove, the root of first fishback is fixed in the pivot.
In order to enable the first comb plates and the rotating shaft to be limited on the supporting seat, a pressing plate is arranged between the roots of the adjacent first comb plates, the pressing plate is matched with the roots of the first comb plates to form a mounting hole for a first connecting bolt to pass through, the head of the first connecting bolt presses the roots of the first comb plates and simultaneously presses the pressing plate on the rotating shaft, and the bottom of the pressing plate is provided with an arc-shaped surface matched with the rotating shaft.
In order to enable the fixed bottom plate and the bracket to slide relatively, a sliding structure which is matched with each other is arranged between the fixed bottom plate and the bracket.
Preferably, the sliding structure includes a sliding plate fixed to the bottom of the bracket and a support base installed on the top of the fixed base plate, the upper surface of the support base contacts the lower surface of the sliding plate, the first connecting bolt passes through the bracket, the sliding plate, the support base and the fixed base plate, and a movable gap is left between the first connecting bolt and the bracket, the sliding plate, the support base and the fixed base plate.
Preferably, the fixed bottom plate is provided with a concave cavity, and the lower part of the supporting seat is located in the concave cavity.
As another preferred scheme, the sliding structure comprises an upper fixing plate, a lower fixing plate and an elastic support clamped between the upper fixing plate and the lower fixing plate, the upper fixing plate is fixed at the bottom of the bracket, the lower fixing plate is fixed at the top of the fixed base plate, the first connecting bolt penetrates through the bracket, the upper fixing plate, the elastic support, the lower fixing plate and the fixed base plate, and a movable gap is reserved between the first connecting bolt and the bracket, the upper fixing plate, the elastic support, the lower fixing plate and the fixed base plate. The upper fixing plate and the lower fixing plate are preferably steel plates, and the elastic support is preferably a rubber support.
In order to enable the first comb plate to flexibly rotate relative to the fixed base plate, one side, away from the beam end part, of the fixed base plate is connected with the first comb plate through a second connecting bolt, through holes are distributed in the fixed base plate along the width direction of the bridge at intervals, first mounting holes in one-to-one correspondence with the through holes are formed in the first comb plate, the second connecting bolt sequentially penetrates through the first mounting holes and the through holes from top to bottom, the aperture of the through holes is larger than the outer diameter of the second connecting bolt, nuts are installed at the lower ends of the second connecting bolt, springs are sleeved at the lower ends of the second connecting bolt, the upper ends of the springs are abutted against the fixed base plate, and the lower ends of the springs are abutted against the nuts.
Preferably, the through hole is a waist-shaped hole, and the length direction of the waist-shaped hole is consistent with the width direction of the bridge.
Preferably, the second comb plate is rotatable in a horizontal direction with respect to the second support member.
Preferably, the second mounting hole is formed in the root of the rack of the second comb plate, the third mounting holes are distributed on the rack of the second comb plate at intervals along the length direction, the second support member is a fixed base plate located below the second comb plate, the fixed base plate is provided with a fourth mounting hole corresponding to the second mounting hole and a fifth mounting hole corresponding to the third mounting hole, the third connecting bolt sequentially penetrates through the second mounting hole and the fourth mounting hole from top to bottom so that the second comb plate can horizontally rotate around the third connecting bolt relative to the fixed base plate, the fifth mounting hole is a waist-shaped through hole, the fourth connecting bolt sequentially penetrates through the third mounting hole and the fifth mounting hole from top to bottom, and the length direction of the waist-shaped through hole is consistent with the width direction of the bridge. Like this, second fishback can rotate round third connecting bolt to can further change the influence that suspension bridge rocked and bring.
Further preferably, a transverse movable gap is reserved between the first comb plate and the second comb plate.
Preferably, the first comb plate is a cross-joint comb plate which is arranged above the bridge expansion joint in a crossing mode, and the second comb plate is a fixed comb plate.
Compared with the prior art, the invention has the advantages that: this telescoping device that anti suspension bridge rocked's root is connected on first supporting member, first supporting member includes that top-down locates bracket and PMKD of first fishback below in proper order, the root of first fishback rotates to be connected on the bracket, PMKD can rotate round the relative bracket of connecting bolt and first fishback level, and like this, the expansion joint device has the multidirectional function that shifts, thereby make the rocking that the telescoping device can adapt to the suspension bridge, avoid the suspension bridge to rock and produce the damage to the telescoping device.
Drawings
Fig. 1 is a schematic view of an installation structure according to a first embodiment of the present invention;
FIG. 2 is a top view of a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a partially exploded view of the first embodiment of the present invention;
FIG. 6 is a schematic view of a bracket according to a first embodiment of the present invention;
fig. 7 is a schematic structural view of a second comb plate according to a first embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a second supporting member according to a first embodiment of the present invention;
fig. 9 is a structural sectional view of a second embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the expansion device for resisting the sway of the suspension bridge of the present embodiment includes a first comb plate 1 and a second comb plate 2 which are mutually telescopically matched, a root of the first comb plate 1 is connected to a first support member 3, the second comb plate 2 is installed on a second support member 4, the first support member 3 is installed on a first beam end portion 100, the second support member 4 is installed on a second beam end portion 200, and a bridge expansion joint is formed between the first beam end portion 100 and the second beam end portion 200. The first fishback 1 of this embodiment strides and establishes the seam fishback of striding in bridge expansion joint top, and second fishback 2 is fixed fishback.
As shown in fig. 2 to 6, the first supporting member 3 of the present embodiment includes a bracket 31 and a fixed bottom plate 32, which are sequentially disposed below the first comb plate 1 from top to bottom, and the fixed bottom plate 32 is horizontally disposed and fixed on the first beam end 100. The root of the first comb plate 1, the bracket 31 and the fixed base plate 32 are connected by a vertically arranged first connecting bolt 71. After the mounting is completed, the fixed base plate 32 can horizontally rotate about the first connecting bolt 71 relative to the bracket 31 and the first comb plate 1.
As shown in fig. 5, the top of the bracket 31 is provided with a mounting groove 311 arranged along the transverse direction of the bridge, a rotating shaft 5 is installed in the mounting groove 311, the root of the first comb plate 1 is fixed on the rotating shaft 5, generally, the root of the first comb plate 1 is welded with the rotating shaft 5 into a whole, in this embodiment, one rotating shaft 5 corresponds to one rack of the first comb plate 1. Be equipped with clamp plate 10 between the root of adjacent first fishback 1, clamp plate 10 forms the mounting hole 12 that supplies first connecting bolt 71 to pass with the root cooperation of first fishback 1, and the root of first fishback 1 is pushed down to the head of first connecting bolt 71 and presses clamp plate 10 simultaneously on pivot 5 to, clamp plate 10 bottom has the arcwall face 101 with pivot 5 matched with, from this, can be spacing first fishback 1 and pivot 5 on bracket 31 and can rotate relative bracket 31.
A sliding structure is arranged between the fixed bottom plate 32 and the bracket 31. The sliding structure in this embodiment includes a sliding plate 61 fixed to the bottom of the bracket 31 and a support base 62 mounted on the top of the fixed base plate 33, and the upper surface of the support base 62 is in contact with the lower surface of the sliding plate 61. Specifically, the fixed base plate 32 is formed with a recess 321, and the lower portion of the support base 62 is seated in the recess 321. The first connecting bolt 71 passes through the bracket 31, the sliding plate 61, the supporting seat 62 and the fixed base plate 32, and a movable gap is left between the first connecting bolt 71 and the bracket 31, the sliding plate 61, the supporting seat 62 and the fixed base plate 32, so that the bracket 31, the sliding plate 61, the supporting seat 62 and the fixed base plate 32 do not touch the first connecting bolt 71 when rotating longitudinally with the beam.
The first comb plate 1 is movably connected to one side of the fixed base plate 32 far away from the beam end through a second connecting bolt 72. Specifically, there are through holes 322 on PMKD 32 along bridge width direction interval distribution, open on first fishback 1 have with the first mounting hole 11 of through hole 322 one-to-one, first mounting hole 11 and through hole 322 are passed in proper order to second connecting bolt 72 top-down, the aperture of through hole 322 is greater than the external diameter of second connecting bolt 72, the through hole 322 of this embodiment is waist shape hole to, the length direction in waist shape hole is unanimous with bridge width direction. A nut 8 is attached to the lower end of the second connecting bolt 72, a spring 9 is fitted around the lower end of the second connecting bolt 72, the upper end of the spring 9 abuts against the fixed base plate 32, and the lower end of the spring 9 abuts against the nut 8. Therefore, the first comb plate 1 can move relative to the first support member 3 along with the swinging of the suspension bridge, and the interference generated when the second connecting bolt 72 moves relative to the fixed base plate 32 is avoided. In addition, after the telescopic device is installed, a gap 102 is left between the first beam end part 100 and the pressing plate 10 and the root part of the first comb plate 1, so that a moving space is provided for the longitudinal rotation of the bridge.
As shown in fig. 7 and 8, the second comb plate 2 of the present embodiment can rotate in the horizontal direction relative to the second support member 4, and the specific rotating structure is as follows: the root of the rack of the second comb plate 2 is provided with a second mounting hole 21, the rack of the second comb plate 2 is provided with third mounting holes 22 at intervals along the length direction, the second support member 4 is a fixing plate positioned below the second comb plate 2, and the fixing plate is provided with a fourth mounting hole 41 and a fifth mounting hole 42. Wherein, fourth mounting hole 41 is located the root below of second fishback 4 and aligns from top to bottom with second mounting hole 21, and fifth mounting hole 42 aligns from top to bottom along the length direction interval distribution of second fishback 2 rack, fifth mounting hole 42 and third mounting hole 22. Third connecting bolt 73 passes through second mounting hole 21 and fourth mounting hole 41 from top to bottom in sequence, fifth mounting hole 42 is a kidney-shaped through hole, fourth connecting bolt 74 passes through third mounting hole 22 and fifth mounting hole 42 from top to bottom in sequence, and the length direction of the kidney-shaped through hole is consistent with the width direction of the bridge, so that second comb plate 2 can horizontally rotate around third connecting bolt 73 relative to second supporting member 4
In addition, in the present embodiment, 3 fifth mounting holes 42 are formed in each rack of second comb plate 2, and since the root of second comb plate 2 rotates around third connecting bolt 73, the length of fifth mounting hole 42 adjacent to fourth mounting hole 41 is shortest, the length of fifth mounting hole 42 adjacent to the head of the rack is longest, and the length of fifth mounting hole 42 in the middle is shorter, so that fourth connecting bolt 74 and second support member 4 may be prevented from interfering with each other during the movement.
Example two:
as shown in fig. 9, the sliding structure of the present embodiment includes an upper fixing plate 63, a lower fixing plate 64, and an elastic support 65 clamped between the upper fixing plate and the lower fixing plate, the upper fixing plate 63 and the lower fixing plate 64 are preferably steel plates, and the elastic support 65 is preferably a rubber support. The upper fixing plate 63 is fixed at the bottom of the bracket 31, the lower fixing plate 64 is fixed at the top of the fixing base plate 32, the first connecting bolt 71 passes through the bracket 31, the upper fixing plate 63, the elastic support 65, the lower fixing plate 64 and the fixing base plate 32, and a movable gap is left between the first connecting bolt 71 and the bracket 31, the upper fixing plate 63, the elastic support 65, the lower fixing plate 64 and the fixing base plate 32. After the elastic support 65 is provided between the bracket 31 and the fixed base plate 32, the fixed base plate 32 can horizontally rotate around the first connecting bolt 71 with respect to the bracket 31 and the first comb plate 1. The structure and the operation principle of the rotational connection between the first comb plate 1 and the first support member 3 are the same as those of the first embodiment, and will not be described herein.
According to the structure of the embodiment, the multidirectional displacement of the telescopic device can be realized through the horizontal rotating structure of the first comb plate 1 relative to the first supporting member 3, the horizontal rotating structure and the second comb plate 2 relative to the second supporting member 4, so that the telescopic device can adapt to the shaking of the suspension bridge, and the suspension bridge is prevented from shaking to damage the telescopic device.
Claims (10)
1. The utility model provides an anti telescoping device that suspension bridge rocked, includes first fishback (1) and second fishback (2) of mutual telescopic fit, the root of first fishback (1) is connected on first supporting member (3), second fishback (2) are installed on second supporting member (4), its characterized in that: the first supporting member (3) comprises a bracket (31) and a fixed bottom plate (32) which are sequentially arranged below the first comb plate (1) from top to bottom, the fixed bottom plate (32) is used for being fixed at the end part of the beam, the first comb plate (1), the bracket (31) and the fixed bottom plate (32) are connected through a first connecting bolt (71), the root of the first comb plate (1) is rotatably connected onto the bracket (31), and the fixed bottom plate (32) can rotate horizontally around the first connecting bolt (71) relative to the bracket (31) and the first comb plate (1).
2. The anti-sway telescopic device of claim 1, wherein: the mounting groove (311) that the bridge transverse direction arranged is equipped with at bracket (31) top, installs pivot (5) in mounting groove (311), the root of first fishback (1) is fixed on pivot (5).
3. The anti-sway telescopic device of claim 2, wherein: be equipped with clamp plate (10) between the root of adjacent first fishback (1), the mounting hole (12) that supplies first connecting bolt (71) to pass is formed in the cooperation of clamp plate (10) and the root of first fishback (1), the root of first fishback (1) is pushed down and simultaneously with clamp plate (10) pressure to the head of first connecting bolt (71) on pivot (5), and, clamp plate (10) bottom have with pivot (5) matched with arcwall face (101).
4. The anti-sway telescopic device of claim 1, wherein: and sliding structures which are matched with each other are arranged between the fixed bottom plate (32) and the bracket (31).
5. The anti-sway telescopic device of claim 4, wherein: the sliding structure comprises a sliding plate (61) fixed at the bottom of the bracket (31) and a supporting seat (62) installed at the top of the fixed bottom plate (32), wherein the upper surface of the supporting seat (62) is in contact with the lower surface of the sliding plate (61), the first connecting bolt (71) penetrates through the bracket (31), the sliding plate (61), the supporting seat (62) and the fixed bottom plate (32), and a movable gap is reserved between the first connecting bolt (71) and the bracket (31), the sliding plate (61), the supporting seat (62) and the fixed bottom plate (32).
6. The anti-sway telescopic device of claim 5, wherein: a concave cavity (321) is formed in the fixed bottom plate (32), and the lower portion of the supporting seat (62) is located in the concave cavity (321).
7. The anti-sway telescopic device of claim 4, wherein: the sliding structure comprises an upper fixing plate (63), a lower fixing plate (64) and an elastic support (65) clamped between the upper fixing plate and the lower fixing plate, wherein the upper fixing plate (63) is fixed at the bottom of the bracket (31), the lower fixing plate (64) is fixed at the top of the fixed base plate (32), the first connecting bolt (71) penetrates through the bracket (31), the upper fixing plate (63), the elastic support (65), the lower fixing plate (64) and the fixed base plate (32), and a movable gap is reserved between the first connecting bolt (71) and the bracket (31), the upper fixing plate (63), the elastic support (65), the lower fixing plate (64) and the fixed base plate (32).
8. The anti-sway telescopic device of one of claims 1 to 7, wherein: one side of the fixed base plate (32) far away from the beam end part is connected with the first comb plate (1) through the second connecting bolt (72), through holes (322) are distributed on the fixed base plate (32) along the bridge width direction at intervals, the first comb plate (1) is provided with first mounting holes (11) corresponding to the through holes (322) one to one, the second connecting bolt (72) sequentially penetrates through the first mounting holes (11) and the through holes (322) from top to bottom, the aperture of the through holes (322) is larger than the outer diameter of the second connecting bolt (72), a nut (8) is installed at the lower end of the second connecting bolt (72), a spring (9) is sleeved at the lower end of the second connecting bolt (72), the upper end of the spring (9) is abutted against the fixed base plate (32), and the lower end of the spring (9) is abutted against the nut (8).
9. The anti-sway telescopic device of claim 1, wherein: the second comb plate (2) can rotate in the horizontal direction relative to the second support member (4).
10. The anti-sway telescopic device of claim 1, wherein: the first comb plate (1) is a seam crossing comb plate arranged above the bridge expansion joint in a crossing mode, and the second comb plate (2) is a fixed comb plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011229546.6A CN112252175A (en) | 2020-11-06 | 2020-11-06 | Telescopic device for preventing suspension bridge from shaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011229546.6A CN112252175A (en) | 2020-11-06 | 2020-11-06 | Telescopic device for preventing suspension bridge from shaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112252175A true CN112252175A (en) | 2021-01-22 |
Family
ID=74265114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011229546.6A Pending CN112252175A (en) | 2020-11-06 | 2020-11-06 | Telescopic device for preventing suspension bridge from shaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112252175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150574A (en) * | 2021-12-23 | 2022-03-08 | 张和平 | Spring support type bridge expansion joint structure |
-
2020
- 2020-11-06 CN CN202011229546.6A patent/CN112252175A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150574A (en) * | 2021-12-23 | 2022-03-08 | 张和平 | Spring support type bridge expansion joint structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR200473182Y1 (en) | Friction pendulum bearing | |
| CN202359497U (en) | Multi-direction deflection analog-digital type stretching device | |
| CN112252175A (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN201137038Y (en) | Multidirectional location-changing bridge telescoping device | |
| CN113322794A (en) | Anti-roll section assembling swing single-column pier multiple damping system | |
| CN214116267U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN111676812A (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN214116266U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN214116263U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN203238532U (en) | Connection structure of steel truss girder bridge and damper | |
| CN215210498U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN214116264U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN112411367A (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN108867352B (en) | Expansion joint covering device for municipal bridge | |
| CN214116265U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN109555009A (en) | A kind of support and beam body seismic isolation and reduction structure system and its application | |
| CN116247583A (en) | Shock-resistant cable bridge | |
| CN215482284U (en) | Pressure bearing support for reinforced expansion device | |
| CN205242254U (en) | Connection structure of activity fishback and roof beam body | |
| CN201567528U (en) | Bridge type steel telescopic device turning structure | |
| CN212895890U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN205636481U (en) | Bridge extension means component and bridge telescoping device | |
| CN210566009U (en) | Shock absorption connecting device for building electromechanical equipment | |
| CN211547307U (en) | Novel become roof beam slab formula rubber support that falls is prevented in rigidity shock attenuation | |
| CN211340389U (en) | Spherical tensile steel support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |