CN211368431U - Swivel bridge with shock-absorbing function - Google Patents
Swivel bridge with shock-absorbing function Download PDFInfo
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- CN211368431U CN211368431U CN201921584834.6U CN201921584834U CN211368431U CN 211368431 U CN211368431 U CN 211368431U CN 201921584834 U CN201921584834 U CN 201921584834U CN 211368431 U CN211368431 U CN 211368431U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 30
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- 230000035939 shock Effects 0.000 description 7
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Abstract
The utility model provides a bridge of turning with shock-absorbing function, including pile foundation, pier and the roof beam body, be equipped with cushion cap and lower cushion cap between pile foundation and the pier, go up the cushion cap and pass through the ball pivot with lower cushion cap center and connect, go up the cushion cap and be equipped with a plurality of mild steel attenuator down between the cushion cap, this a plurality of mild steel attenuator is located the ball pivot outside, and arranges around equidistant ball pivot circumference, goes up the cushion cap bottom and is equipped with a plurality of chaplets along its circumference, fills through the concrete mortar between chaplet bottom and the lower cushion cap. The swivel bridge utilizes the special structure of a swivel bridge rotating system, the traditional glue sealing concrete construction is cancelled, the soft steel damper is arranged between the upper bearing platform and the lower bearing platform of the swivel bridge, the swivel bridge has strong vertical bearing capacity, the swivel bridge can work together with the supporting feet and the spherical hinges to support a bridge structure, meanwhile, the soft steel damper can generate plastic yield to generate hysteretic deformation, large damping is generated, seismic energy entering the structure is consumed in a large amount, and therefore the damage of the bridge structure is avoided, and the seismic capacity of the bridge structure is improved.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, concretely relates to bridge of turning with shock-absorbing function is applicable to the bridge engineering in high intensity earthquake district.
Background
The bridge structure plays an important role in the aspects of national economic development, promotion of cultural communication, strengthening of national defense and the like; especially, emergency recourse is implemented during earthquake, production is recovered after the disaster, and the smoothness of the life trunk line is ensured to occupy an important position, so the importance of the bridge structure earthquake resistance is particularly important.
With the implementation of the eight-vertical eight-horizontal road network of the high-speed railway in China, the construction of the high-speed road and the municipal engineering road network can not be crossed with the railway road network, and the high-speed railway needs to be crossed by bridge engineering to form the three-dimensional crossing. In the bridge construction, the traditional bridge construction method is as follows: the cradle construction method, the support cast-in-place method, the pushing construction method and the like need to be carried out above the high-speed railway, and any small construction sundries fall onto a train running at high speed in the construction process, so that serious safety accidents can be caused. Therefore, in order to ensure that bridge construction interferes with the existing high-speed railway, almost all bridges across the existing high-speed railway adopt a swivel construction method, and the principle is that the bridge is firstly constructed outside a safety affected area of the high-speed railway and then quickly swiveled to the position above the railway for folding. The bridge adopting swivel construction is a swivel bridge, and is a bridge with a special structure, compared with a conventional bridge, a rotating system is additionally arranged, the rotating system is generally arranged in a bearing platform area, the bearing platform is divided into an upper bearing platform and a lower bearing platform, a swivel ball hinge, a supporting foot and the like are arranged between the two bearing platforms, and a traction cable wound on the upper bearing platform is drawn by a jack, so that the upper bearing platform rotates by taking the ball hinge as a fulcrum, and the rotation on the horizontal plane of the bridge is realized.
The existing damping method adopted by the large-span continuous beam bridge is to arrange a damping support 4 at the top of a main pier of the bridge for damping, as shown in fig. 1. However, such measures are firstly complicated to construct, and particularly after an earthquake, the bridge structure generally needs to be corrected to restore the bridge structure to the original position, the correction construction is troublesome, and sometimes hard resistance is needed by adding steel bars of a middle pier, the construction cost is high, and the hard resistance method does not have the self-adjusting and self-controlling capability due to the very strong uncertainty of the earthquake, so that the bridge is particularly easy to damage in the case of the earthquake. The mode of damping at the bottom of main piers such as a continuous beam and the like has few literature records, particularly for a swivel construction bridge, and no case for damping by means of a special structure of a swivel bridge rotating system exists at present. After the traditional swivel bridge is accurately in place in a swivel, a gap between a supporting foot and a ring channel can be plugged and firmly welded by using a steel wedge, meanwhile, a steel bar is welded with the steel bar pre-embedded on an upper bearing platform and a lower bearing platform, concrete is filled in the gap, and a swivel hinge is fixedly connected to form an integral bearing platform.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming among the prior art bridge construction shock resistance that turns poor, and the complicated problem of shock-absorbing structure construction.
For this, the utility model provides a bridge of turning with shock-absorbing function, include by lower supreme pile foundation, pier and the roof beam body that sets gradually, be provided with cushion cap and lower cushion cap between pile foundation and the pier, it connects through the ball pivot with lower cushion cap center to go up the cushion cap, go up and be provided with a plurality of mild steel attenuator between cushion cap and the lower cushion cap, this a plurality of mild steel attenuator is located the ball pivot outside, and arranges around equidistant of ball pivot circumference, it is provided with a plurality of chaplets to go up cushion cap bottom along its circumference, chaplet bottom with fill through the concrete mortar between the lower cushion cap.
Furthermore, the top of the lower bearing platform is of a groove structure, and the upper bearing platform is arranged in a groove of the lower bearing platform.
Furthermore, the side edge of the lower bearing platform is sealed with the side edge of the upper bearing platform through a concrete block.
Furthermore, a plurality of buffer rubber blocks which are symmetrically arranged at intervals are arranged between the side edge of the lower bearing platform and the side edge of the upper bearing platform.
Furthermore, a drainage pipeline for draining accumulated water in the groove of the lower bearing platform is pre-buried on the lower bearing platform.
Further, the spherical hinge comprises a spherical hinge concave spherical lower disc, a spherical hinge convex spherical upper disc and a central pin shaft, a smooth sliding surface is formed between the spherical hinge concave spherical lower disc and the spherical hinge convex spherical upper disc, rotating shaft sleeves are arranged at the central holes of the spherical hinge concave spherical lower disc and the spherical hinge convex spherical upper disc, and the central pin shaft is detachably connected in the two rotating shaft sleeves.
Furthermore, the mild steel damper comprises a damper body, damper connecting bolts and damper connecting nuts, embedded part sleeves are symmetrically arranged on the upper bearing platform and the lower bearing platform, and two ends of the damper body are fixedly connected with the embedded part sleeves on the upper bearing platform and the lower bearing platform respectively through the damper connecting bolts and the damper connecting nuts.
Further, the arm brace includes arm brace upper segment, arm brace hypomere, arm brace connecting plate and arm brace walking board, the arm brace upper segment stretches into in the upper bearing platform, with upper bearing platform fixed connection, arm brace upper segment bottom is passed through the arm brace connecting plate and is connected with the arm brace hypomere, the arm brace hypomere bottom is connected the arm brace and is walked the board, the arm brace walk the board with have a certain interval down between the bearing platform, and fill this interval through the concrete mortar.
Furthermore, the swivel bridge with the damping function further comprises side piers arranged at the bottoms of the two ends of the beam body, and a connecting positioning piece used for limiting the horizontal displacement of the beam body is arranged between the side piers and the beam body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a this kind of bridge of turning with shock-absorbing function utilizes the special construction of turning bridge rotational system, traditional glue concrete construction has been cancelled, through setting up the mild steel attenuator between the upper and lower cushion cap of the bridge of turning, very strong vertical bearing capacity has, both can with the spike, the common work of ball pivot supports the bridge structures, the mild steel attenuator can take place the plasticity and yield and produce the hysteretic deformation simultaneously, produce very big damping, consume the seismic energy who gets into the structure in a large number, thereby avoid the bridge structures to take place to destroy, improve the shock resistance of bridge structures.
(2) The utility model provides a this kind of bridge of turning with shock-absorbing function is for detachable construction with the center pin axle design of ball pivot, after turning the completion, can take out center pin axle for ball pivot concave spherical surface lower wall and ball pivot convex spherical surface hanging wall can relative horizontal migration when the earthquake, thereby the bridge structures shift under the earthquake effect can utilize this ball pivot automatic playback, and automatic centering has the automatic function of rectifying.
(3) The utility model provides a only increase the earthquake response that the mild steel attenuator just can reduce whole bridge structures by a wide margin in this kind of turning bridge with shock-absorbing function, and its installation all goes on ground, and construction maintenance is convenient, and it is less to improve the required extra input of shock resistance, and with low costs construction convenience has very strong market competition.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a conventional shock-absorbing bridge;
fig. 2 is a schematic structural view of the swivel bridge with a shock absorbing function of the present invention;
fig. 3 is a schematic structural diagram of the spherical hinge of the present invention;
FIG. 4 is a schematic structural view of the middle supporting leg of the present invention;
FIG. 5 is a schematic structural view of the middle soft steel damper of the present invention;
FIG. 6 is a schematic view of the installation of the mild steel damper of the present invention;
FIG. 7 is a plan view of the middle cushion rubber block and the mild steel damper of the present invention;
fig. 8 is a schematic diagram of a full-bridge vertical structure of the swivel bridge of the present invention.
Description of reference numerals: 1. a pile foundation; 2. a bridge pier; 3. a beam body; 4. a shock-absorbing support; 5. a lower bearing platform; 6. a buffer rubber block; 7. a concrete block; 8. an upper bearing platform; 9. spherical hinge; 10. a mild steel damper; 11. a brace; 12. concrete mortar; 13. a water discharge pipeline; 14. a spherical hinge concave spherical surface lower disc; 15. a spherical hinge convex spherical surface upper disc; 16. a rotating shaft sleeve; 17. a center pin; 18. positioning angle steel; 19. an upper section of the arm brace; 20. a brace connecting plate; 21. a lower leg support section; 22. a step of walking plate of arm brace; 23. a damper body; 24. a damper connecting bolt; 25. the damper is connected with the nut; 26. an embedded part sleeve; 27. and connecting the positioning piece.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
As shown in fig. 2, this embodiment provides a swivel bridge with shock-absorbing function, include pile foundation 1, pier 2 and the roof beam body 3 that sets gradually by supreme down, be provided with cushion cap 8 and lower cushion cap 5 between pile foundation 1 and the pier 2, go up cushion cap 8 and lower cushion cap 5 center and pass through ball pivot 9 and connect, go up and be provided with a plurality of mild steel attenuator 10 between cushion cap 8 and the lower cushion cap 5, this a plurality of mild steel attenuator 10 is located the 9 outsides of ball pivot, and arranges around 9 circumference equidistant of ball pivot, it is provided with a plurality of daggers 11 to go up cushion cap 8 bottom along its circumference, dagger 11 bottom with fill through concrete mortar 12 between the lower cushion cap 5. In the embodiment, after the bridge rotation construction is finished, concrete sealing and hinging construction is not carried out, namely, the upper bearing platform 8 and the lower bearing platform 5 are not connected into a whole, a gap is reserved between the upper bearing platform 8 and the lower bearing platform 5 in the vertical direction, and the soft steel damper 10 is installed in the gap, so that in the normal use stage of the bridge, the soft steel damper 10 has strong vertical bearing capacity and can work together with the supporting feet 11 and the spherical hinges 9 to support the bridge structure, when an earthquake occurs, the connection between the supporting feet 11 and the lower bearing platform 5 can be cut off along with the increase of the lateral deformation of the bridge structure, and at the moment, the soft steel damper 10 generates plastic yield to generate hysteretic deformation to generate large damping, a large amount of earthquake energy entering the structure is consumed, so that the damage of the bridge structure is avoided, and the aim of improving the earthquake resistance of the bridge structure is fulfilled.
In a refined implementation mode, the top of the lower bearing platform 5 is of a groove structure, the upper bearing platform 8 is installed in a groove of the lower bearing platform 5, in order to prevent rainwater, namely other impurities, from entering a gap between the upper bearing platform 8 and the lower bearing platform 5, the side edge of the lower bearing platform 5 and the side edge of the upper bearing platform 8 are sealed through the concrete block 7, and meanwhile, the concrete block 7 can also play a role in restraining the plane direction of the bridge structure, so that the bridge structure is ensured not to generate horizontal displacement in a normal use stage. Further optimally, as shown in fig. 2 and 7, a plurality of buffer rubber blocks 6 which are symmetrically arranged at intervals are further arranged between the side edge of the lower bearing platform 5 and the side edge of the upper bearing platform 8, the buffer rubber blocks 6 can be made into square blocks, and when an earthquake occurs, the bridge structure has a certain buffer constraint effect in the horizontal direction, so that the bridge structure is prevented from generating overlarge horizontal displacement, and the collision damage of the upper bearing platform 8 and the lower bearing platform 5 is avoided. In order to further ensure the durability of the bearing platform structure and prevent accumulated water permeating into the groove of the lower bearing platform 5 from corroding steel structures such as the mild steel damper 10 and the swivel supporting foot 11, a drainage pipeline 13 for draining accumulated water in the groove of the lower bearing platform 5 is pre-embedded in the lower bearing platform 5, and rainwater deposition between the upper bearing platform 8 and the lower bearing platform 5 is ensured.
As shown in fig. 3, the spherical hinge 9 includes a spherical hinge concave spherical lower disc 14, a spherical hinge convex spherical upper disc 15 and a central pin shaft 17, a smooth sliding surface is formed between the spherical hinge concave spherical lower disc 14 and the spherical hinge convex spherical upper disc 15, the central holes of the spherical hinge concave spherical lower disc 14 and the spherical hinge convex spherical upper disc 15 are both provided with a rotating shaft sleeve 16, the central pin shaft 17 is detachably connected in the two rotating shaft sleeves 16, the spherical hinge convex spherical upper disc 15 can drive the upper bearing platform 8 and the upper bridge structure thereof to rotate around the central pin shaft 17 with small power, so as to realize the rotation, and after the rotation is finished, unlike the conventional rotation bridge, the central pin shaft is left in the original position, in this embodiment, the central pin shaft 17 is taken out, so that the spherical hinge concave spherical lower disc 14 and the spherical hinge convex spherical upper disc 15 can relatively move horizontally during an earthquake, the spherical effect can automatically center, and has an automatic deviation rectification function, the bridge structure can automatically recover to the original position after the earthquake, and extra deviation rectifying measures are not needed. Further, in order to ensure that the spherical hinge concave spherical surface lower disc 14 is fixed, the spherical hinge concave spherical surface lower disc 14 and the rotating shaft sleeve 16 are fixed through a positioning angle steel 18, the hinge concave spherical surface lower disc 14 and the rotating shaft sleeve 16 form a triangular support, and the installation stability of the hinge concave spherical surface lower disc 14 is enhanced.
As shown in fig. 4, the arm brace 11 includes an upper arm brace section 19, a lower arm brace section 21, an arm brace connecting plate 20 and an arm brace traveling plate 22, the upper arm brace section 19 extends into the upper bearing platform 8 and is fixedly connected with the upper bearing platform 8, the bottom of the upper arm brace section 19 is connected with the lower arm brace section 21 through the arm brace connecting plate 20, the bottom of the lower arm brace section 21 is connected with the arm brace traveling plate 22, a certain distance is provided between the arm brace traveling plate 22 and the lower bearing platform 5, in this embodiment, the distance between the arm brace traveling plate 22 and the lower bearing platform 5 is kept 20mm, which not only can ensure that the upper bearing platform 8 and the lower bearing platform 5 rotate relatively, but also can ensure that the arm brace 11 can fall to the ground in time when the beam body 3 inclines, and plays a role in stabilization; after the rotation is finished, the concrete mortar 12 is used for filling the distance between the blocking supporting foot walking plate 22 and the lower bearing platform 5, and the stability of the bridge in the operation stage is ensured.
As shown in fig. 5 and 6, the mild steel damper 10 includes a damper body 23, damper connecting bolts 24 and damper connecting nuts 25, embedded part sleeves 26 are symmetrically arranged on the upper bearing platform 8 and the lower bearing platform 5, two ends of the damper body 23 are respectively and fixedly connected with the embedded part sleeves 26 on the upper bearing platform 8 and the lower bearing platform 5 through the damper connecting bolts 24 and the damper connecting nuts 25, the mild steel damper 10 is symmetrically arranged on the upper and lower bearing platforms during fixing, and the high-strength damper connecting bolts 24 for fixing the mild steel damper 10 are required not to be cut off during an earthquake; when an earthquake occurs, the upper structure of the bridge and the lower bearing platform 5 generate relative lateral movement vibration, the connection between the supporting feet 11 and the lower bearing platform 5 can be cut off along with the increase of the lateral deformation of the bridge structure, at the moment, the soft steel damper 10 generates plastic yield to generate hysteretic deformation, great damping is generated, a great amount of seismic energy entering the structure is consumed, the bridge structure is prevented from being damaged, and the aim of damping the bridge is fulfilled.
In this embodiment, pile foundation 1 is the same with the pile foundation of traditional bridge, divide into pier pile foundation side pier pile foundation in, is used for supporting pier and bridge side pier in the bridge respectively. Pier 2 is the same with the pier of traditional bridge, divide into pier and bridge side mound in the bridge, supports girder segment 3 on its upper portion together, and the pier top sets up damping bearing 4 in the bridge that is different from traditional shock attenuation bridge, and pier and the fixed mode of girder segment 3 in the bridge are adopted to this embodiment, rotate cushion cap formation shock mitigation system through pier in the bridge bottom and reach the absorbing purpose. The beam body 3 is the same as that of a traditional bridge, and the beam body 3 can be a traditional continuous beam, a T-shaped beam, a bridge such as a continuous beam arch bridge and a short-tower cable-stayed bridge which can be used for swivel construction.
In addition, as shown in fig. 8, in order to avoid the beam falling caused by the relative horizontal displacement of the beam body during a major earthquake, a connecting positioning piece 27 for limiting the horizontal displacement of the beam body 3 is arranged between the bridge side piers arranged at the bottoms of the two ends of the beam body 3 and the beam body 3, the connecting positioning piece 27 not only allows the beam body 3 to have a certain displacement, but also can limit the displacement of the beam body 3, such as a steel chain or a liquid viscous damper, so as to ensure the free expansion and contraction during the normal operation state.
The construction method of the swivel bridge with the damping function in the embodiment specifically comprises the following steps:
(1) the construction of the pile foundation 1 and the lower bearing platform 5 is carried out on two sides of the existing railway, the spherical hinge 9 is installed in the center of the top surface of the lower bearing platform 5, the drainage pipeline 13 and the embedded part sleeve 26 are embedded in the lower bearing platform 5 in the construction process, and the installation of the buffer rubber block 6 and the soft steel damper 10 in the later period is facilitated.
The spherical hinge 9 comprises a spherical hinge concave spherical lower disc 14, a spherical hinge convex spherical upper disc 15 and a central pin shaft 17, wherein the central holes of the spherical hinge concave spherical lower disc 14 and the spherical hinge convex spherical upper disc 15 are respectively provided with a rotating shaft sleeve 16, and the central pin shaft 17 is detachably connected in the two rotating shaft sleeves 16.
(2) Concrete is poured above the spherical hinge convex spherical surface upper disc 15 to form an upper bearing platform 8, the spherical hinge convex spherical surface upper disc 15 is pre-buried in the center of the bottom surface of the upper bearing platform 8, meanwhile, supporting feet 11 are pre-buried in the bottom surface of the upper bearing platform 8, and a certain distance is reserved between the bottoms of the supporting feet 11 and the lower bearing platform 5.
(3) And constructing the pier 2 on the upper bearing platform 8, constructing the cantilever swivel part of the beam body 3 at the front position of the swivel, erecting a mould on the lower bearing platform 5, performing the second concrete pouring of the lower bearing platform 5, swiveling the beam body 3 around the spherical hinge 9, folding the bridge structure, and finishing the system conversion. Of course, before the body rotates, the beam body 3 needs to be subjected to weighing test and trial rotation.
(4) After the rotation is in place, concrete mortar 12 is filled between the bottom of the supporting foot 11 and the lower bearing platform 5, so that the supporting foot 11 is in a landing supporting state after the concrete mortar 12 is solidified, the stability of the bridge in normal operation is ensured, and the fixation can be released to generate relative sliding in an earthquake state.
(5) And removing the central pin shaft 17 on the spherical hinge 9, and releasing the central limit between the upper bearing platform 8 and the lower bearing platform 5.
(6) The soft steel dampers 10 are arranged in the vertical gap between the lower bearing platform 5 and the upper bearing platform 8, the soft steel dampers 10 are symmetrically arranged around the circumference of the spherical hinge 9, and the connected damper connecting bolt 24 and the damper connecting nut 25 are required to have enough strength to ensure that the dampers are not cut off during an earthquake.
(7) Installing buffer rubber blocks 6 in a horizontal gap between the lower bearing platform 5 and the upper bearing platform 8, wherein the buffer rubber blocks 6 are arranged at equal intervals around the circumference of the upper bearing platform 8; the buffer rubber block 6 is used for buffering and absorbing the horizontal displacement of the upper bearing platform 8 during the earthquake, so that the collision damage to the upper bearing platform 8 can be prevented.
(8) Concrete blocks 7 with certain thickness are poured on the top surfaces of the upper bearing platform 8 and the lower bearing platform 5 to seal the gap between the upper bearing platform 8 and the lower bearing platform 5, so that the fixing and the limiting of the bridge in a normal state are guaranteed, and rainwater and other sundries are reduced from entering the gap between the upper bearing platform and the lower bearing platform.
(9) And (5) installing conventional swivel bridge auxiliary equipment to finish construction.
To sum up, the utility model provides a this kind of bridge of turning with shock-absorbing function utilizes the special construction of the bridge rotating system of turning, has cancelled traditional glue concrete construction, through setting up the mild steel attenuator between the upper and lower cushion cap of the bridge of turning, has very strong vertical bearing capacity, both can with the spike, the joint work of ball pivot supports the bridge structures, the mild steel attenuator can take place the plasticity and yields the production hysteresis and warp simultaneously, produce very big damping, consume the seismic energy who gets into the structure in a large number, thereby avoid the bridge structures to take place to destroy, improve the shock resistance of bridge structures.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a bridge of turning with shock-absorbing function, includes pile foundation, pier and the roof beam body that sets gradually by supreme down, its characterized in that: be provided with cushion cap and lower cushion cap between pile foundation and the pier, go up the cushion cap and pass through the ball pivot with lower cushion cap center and connect, go up the cushion cap and be provided with a plurality of mild steel attenuator down between the cushion cap, this a plurality of mild steel attenuator is located the ball pivot outside, and arranges around ball pivot circumference equidistant, it is provided with a plurality of chaplets to go up the cushion cap bottom along its circumference, the chaplet bottom with fill through the concrete mortar between the cushion cap down.
2. The swivel bridge with a shock-absorbing function according to claim 1, wherein: the top of the lower bearing platform is of a groove structure, and the upper bearing platform is arranged in a groove of the lower bearing platform.
3. The swivel bridge with a shock-absorbing function according to claim 2, wherein: the side edge of the lower bearing platform is sealed with the side edge of the upper bearing platform through a concrete block.
4. The swivel bridge with a shock-absorbing function according to claim 2, wherein: and a plurality of buffer rubber blocks which are symmetrically arranged at intervals are arranged between the side edge of the lower bearing platform and the side edge of the upper bearing platform.
5. The swivel bridge with a shock-absorbing function according to claim 2, wherein: and a drainage pipeline for draining accumulated water in the groove of the lower bearing platform is pre-buried on the lower bearing platform.
6. The swivel bridge with a shock-absorbing function according to claim 1, wherein: the spherical hinge comprises a spherical hinge concave spherical lower disc, a spherical hinge convex spherical upper disc and a central pin shaft, a smooth sliding surface is formed between the spherical hinge concave spherical lower disc and the spherical hinge convex spherical upper disc, rotating shaft sleeves are arranged at the central holes of the spherical hinge concave spherical lower disc and the spherical hinge convex spherical upper disc, and the central pin shaft is detachably connected in the two rotating shaft sleeves.
7. The swivel bridge with a shock-absorbing function according to claim 1, wherein: the soft steel damper comprises a damper body, a damper connecting bolt and a damper connecting nut, embedded part sleeves are symmetrically arranged on the upper bearing platform and the lower bearing platform, and two ends of the damper body are fixedly connected with the embedded part sleeves on the upper bearing platform and the lower bearing platform respectively through the damper connecting bolt and the damper connecting nut.
8. The swivel bridge with a shock-absorbing function according to claim 1, wherein: the arm brace comprises an upper arm brace section, an lower arm brace section, an arm brace connecting plate and an arm brace walking plate, wherein the upper arm brace section extends into the upper bearing platform and is fixedly connected with the upper bearing platform, the bottom of the upper arm brace section is connected with the lower arm brace section through the arm brace connecting plate, the bottom of the lower arm brace section is connected with the arm brace walking plate, the arm brace walking plate is arranged between the lower bearing platform and has a certain distance, and the distance is filled with concrete mortar.
9. The swivel bridge with a shock-absorbing function according to claim 1, wherein: the bridge is characterized by further comprising bridge side piers arranged at the bottoms of the two ends of the beam body, and a connecting positioning piece used for limiting the horizontal displacement of the beam body is arranged between the bridge side piers and the beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584834.6U CN211368431U (en) | 2019-09-23 | 2019-09-23 | Swivel bridge with shock-absorbing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584834.6U CN211368431U (en) | 2019-09-23 | 2019-09-23 | Swivel bridge with shock-absorbing function |
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| Publication Number | Publication Date |
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| CN211368431U true CN211368431U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921584834.6U Expired - Fee Related CN211368431U (en) | 2019-09-23 | 2019-09-23 | Swivel bridge with shock-absorbing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565538A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with damping function and construction method thereof |
-
2019
- 2019-09-23 CN CN201921584834.6U patent/CN211368431U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565538A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with damping function and construction method thereof |
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