CN223304840U - River-crossing temporary steel trestle - Google Patents
River-crossing temporary steel trestleInfo
- Publication number
- CN223304840U CN223304840U CN202422691183.8U CN202422691183U CN223304840U CN 223304840 U CN223304840 U CN 223304840U CN 202422691183 U CN202422691183 U CN 202422691183U CN 223304840 U CN223304840 U CN 223304840U
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- CN
- China
- Prior art keywords
- diagonal bracing
- fixed
- bridge deck
- connecting plate
- river
- Prior art date
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Bridges Or Land Bridges (AREA)
Abstract
The application relates to the technical field of steel trestle, in particular to a river-crossing temporary steel trestle, which comprises a bridge deck, wherein bailey beams are respectively arranged at two sides of the bottom of the bridge deck, a plurality of damping mechanisms are arranged between each bailey beam and the bridge deck and are connected through the damping mechanisms, a fixed plate is arranged at the bottom of each bailey beam, fixing piles are respectively arranged at two sides of each fixing plate, inclined bracing mechanisms capable of supporting the bridge deck are arranged on the fixing piles, when the bridge deck is subjected to load to vibrate through the damping mechanisms, a hinge rod can push a sliding block to slide on a fixed cross rod, friction force is generated through interaction of the sliding block and a friction part on the fixed cross rod, vibration energy is consumed, meanwhile, a first pressure spring can be compressed and stretched, vibration energy is further absorbed and buffered, and stability and service life of the trestle are improved.
Description
Technical Field
The application relates to the technical field of steel trestle, in particular to a river-crossing temporary steel trestle.
Background
In river-crossing engineering construction, temporary steel trestle is required to be built so as to facilitate the transportation of personnel, equipment and materials. Many conventional temporary steel trestle shafts face a series of problems in practical use due to the lack of effective shock absorbing measures. When a vehicle or other load is driven or acted on the deck, the deck boards are directly impacted by the dynamic loads, however, the connection between the deck boards and the supporting structure of the traditional trestle lacks a mechanism capable of effectively buffering and absorbing vibration energy, and the deck boards generate stronger vibration under the action of the load.
On one hand, long-term strong vibration can accelerate fatigue damage of all parts of the trestle, the service life of the trestle is shortened, for example, welding seams of connecting parts can be cracked due to frequent vibration, abrasion and fatigue cracks can be generated on the surfaces of steel members due to vibration, so that the overall strength and stability of the trestle are reduced, on the other hand, the large vibration amplitude can bring extremely poor experience to passing people and vehicles, even the driving safety of the vehicles can be influenced, the potential risk of accidents is increased, and meanwhile, when some equipment or materials sensitive to vibration are transported on the trestle, the vibration can damage the equipment or the materials or influence the normal working performance of the equipment or materials.
The river-crossing temporary steel trestle solves the problem that the conventional river-crossing temporary steel trestle lacks a damping function.
Disclosure of utility model
The application provides a river-crossing temporary steel trestle in order to improve the functions of buffering and absorbing vibration energy of the current river-crossing temporary steel trestle.
The river-crossing temporary steel trestle comprises bridge decks, wherein the two sides of the bottom of each bridge deck are respectively provided with a Bailey beam, a plurality of damping mechanisms are arranged between each Bailey beam and each bridge deck and are connected through the damping mechanisms, the bottom of each Bailey beam is provided with a fixed plate, the two sides of each fixed plate are respectively provided with a fixed pile, and each fixed pile is provided with a diagonal bracing mechanism capable of supporting the bridge deck.
Optionally, damper includes fixed base plate, fixed base plate fixed mounting is in the bottom of bailey beam, fixed base plate's both sides are provided with fixed base respectively, two be provided with fixed horizontal pole between the fixed base, fixed horizontal pole's both ends are provided with slidable sliding block respectively, friction part has all been seted up on sliding block and the fixed horizontal pole, two the opposite end of sliding block is provided with first pressure spring respectively, first pressure spring is fixed on fixed horizontal pole, the both sides of decking are articulated respectively to be connected with the articulated pole, the other end of articulated pole is articulated with the sliding block of its corresponding side to be connected, the articulated pole is located between two fixed base.
Optionally, the top of fixed base is provided with the guide cylinder, be provided with the guide bar in the guide cylinder, the outside cover of guide bar is equipped with the second pressure spring, the bottom and the guide cylinder fixed connection of second pressure spring, the top and the bridge deck plate fixed connection of guide bar.
Optionally, the bracing mechanism includes first bracing subassembly, second bracing subassembly, first bracing subassembly is located the upside of second bracing subassembly, just first bracing subassembly, second bracing subassembly all set up on the spud pile, first bracing subassembly includes first connecting plate, first connecting plate sets up to L shape, the top and the decking fixed connection of first connecting plate, the bottom of first connecting plate is provided with first diagonal bracing, the other end sliding connection of first diagonal bracing is on the spud pile, second diagonal bracing subassembly includes the second connecting plate, the second connecting plate sets up to L shape, the top and the decking fixed connection of second connecting plate, the bottom of second connecting plate is provided with the second diagonal bracing, the other end sliding connection of second diagonal bracing is on the spud pile.
Optionally, the fixed pile is provided with the fixed bulge corresponding to the first diagonal bracing assembly and the second diagonal bracing assembly one by one, the fixed bulge is provided with a third pressure spring, and the first diagonal bracing rod are respectively fixedly connected with the third pressure springs on the corresponding sides.
Optionally, guardrails are respectively arranged on two sides of the bridge deck.
In summary, the application has the following beneficial technical effects:
1. Through damper, when the bridge deck receives the load and produces vibrations, the articulated rod can promote the sliding block and slide on fixed horizontal pole, the sliding block interacts with the friction part on the fixed horizontal pole and produces frictional force, consume vibration energy, first pressure spring can be compressed and stretched simultaneously, further absorb and buffer vibration energy, in addition, guide bar and second pressure spring in the guide cylinder also can stretch and draw together along with the vibrations of bridge deck, provide extra cushioning effect, effectively reduced the vibrations range of bridge deck, improved stability and life of landing stage, also provided more comfortable experience for the traffic;
2. Adopt bracing mechanism, the setting of first bracing subassembly and second bracing subassembly provides dual support for the decking, and the connecting plate of L shape is connected decking and diagonal brace, diagonal brace sliding connection is on the spud pile to provide elastic support and buffering through the third pressure spring on the fixed arch, when the decking receives vibrations, the diagonal brace can slide in certain limit and carry out self-adaptation adjustment through the third pressure spring, has strengthened the holistic shock resistance ability of landing stage, has improved the stability of landing stage under various operating modes.
Drawings
FIG. 1 is a schematic diagram of the structure of the device;
FIG. 2 is a front view of the present device;
FIG. 3 is a left side view of the present device;
fig. 4 is a schematic view of the bailey beam and its connecting members of the present device;
FIG. 5 is an enlarged view of FIG. 3A of the present device;
The bridge comprises a bridge deck, 2, a bailey beam, 3, a damping mechanism, 4, a fixed plate, 5, a fixed pile, 6, a diagonal bracing mechanism, 7, a fixed base plate, 8, a fixed base, 9, a fixed cross rod, 10, a sliding block, 11, a first pressure spring, 12, a hinge rod, 13, a guide cylinder, 14, a guide rod, 15, a second pressure spring, 16, a first diagonal bracing assembly, 17, a second diagonal bracing assembly, 18, a first connecting plate, 19, a first diagonal bracing rod, 20, a second connecting plate, 21, a second diagonal bracing rod, 22, a fixed bulge, 23, a third pressure spring, 24 and a guardrail.
Detailed Description
In the following description of the present application with reference to the drawings, it should be noted that, in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
An embodiment shown by referring to fig. 1 is a river-crossing temporary steel trestle, comprising a bridge deck 1, wherein, two sides of the bottom of the bridge deck 1 are fixedly connected with bailey beams 2 through bolts respectively, a plurality of damping mechanisms 3 are arranged between each bailey beam 2 and the bridge deck 1 and are connected through the damping mechanisms 3, the bottom of the bailey beams 2 is fixedly connected with a fixed plate 4 through bolts, two sides of the fixed plate 4 are fixedly connected with fixed piles 5 respectively, inclined strut mechanisms 6 capable of supporting the bridge deck 1 are arranged on the fixed piles 5, and two sides of the bridge deck are fixedly connected with guardrails 24 respectively;
through damper 3, when deck slab 1 receives the load and produces vibrations, can absorb and cushion vibration energy, in addition, effectively reduced deck slab 1's vibration amplitude, improved stability and life of landing stage, also provided more comfortable experience for passing, adopt bracing mechanism 6, when deck slab 1 takes place vibrations, bracing mechanism 6 can carry out self-adaptation adjustment, has strengthened the holistic shock resistance of landing stage, has improved the stability of landing stage under various operating modes.
Referring to fig. 3 and 5, an embodiment is shown in which the damping mechanism 3 comprises a fixed base plate 7, the fixed base plate 7 is fixedly arranged at the bottom of the bailey beam 2, two sides of the fixed base plate 7 are fixedly welded with fixed bases 8 respectively, a fixed cross rod 9 is fixedly welded between the two fixed bases 8, two ends of the fixed cross rod 9 are respectively and slidably connected with a sliding block 10, friction parts are respectively arranged on the sliding block 10 and the fixed cross rod 9, opposite ends of the two sliding blocks 10 are respectively and fixedly connected with a first pressure spring 11, the first pressure spring 11 is fixed on the fixed cross rod 9, two sides of the bridge deck 1 are respectively and hingedly connected with a hinging rod 12, the other end of the hinging rod 12 is hingedly connected with the sliding block 10 on the corresponding side of the hinging rod, and the hinging rod 12 is positioned between the two fixed bases 8;
When the bridge deck 1 is subjected to load to generate vibration, the vibration of the bridge deck 1 is transmitted to the sliding block 10 through the hinging rod 12, the up-and-down vibration of the bridge deck 1 is converted into the sliding of the sliding block 10 on the fixed cross rod 9 due to the effect of the hinging rod 12, the sliding block 10 and the friction part on the fixed cross rod 9 rub with each other, vibration energy is converted into heat energy and other forms through friction force to be consumed, meanwhile, the sliding block 10 compresses or stretches the first pressure spring 11 when sliding, the first pressure spring 11 absorbs and stores the vibration energy by utilizing the elastic deformation of the first pressure spring, and the vibration energy is gradually released in the vibration process, so that the vibration of the bridge deck 1 is further buffered;
Referring to an embodiment shown in FIG. 5, the top of the fixed base 8 is fixedly connected with a guide cylinder 13, a guide rod 14 is slidably connected in the guide cylinder 13, a second pressure spring 15 is sleeved and fixed on the outer side of the guide rod 14, the bottom of the second pressure spring 15 is fixedly connected with the guide cylinder 13, and the top of the guide rod 14 is fixedly connected with the bridge deck plate 1;
The implementation principle is that the bridge deck plate 1 can drive the guide rod 14 to move up and down in the guide cylinder 13 when vibrating, at the moment, the second pressure spring 15 can be compressed or stretched along with the movement of the guide rod 14, the second pressure spring 15 provides additional damping and buffering effects for the bridge deck plate 1 through self elastic force, and the second pressure spring and the sliding block 10 and the first pressure spring 11 work cooperatively, so that the vibration amplitude of the bridge deck plate 1 is effectively reduced.
Referring to fig. 2 and 4, an embodiment of the diagonal bracing mechanism 6 comprises a first diagonal bracing assembly 16 and a second diagonal bracing assembly 17, wherein the first diagonal bracing assembly 16 is positioned on the upper side of the second diagonal bracing assembly 17, the first diagonal bracing assembly 16 and the second diagonal bracing assembly 17 are both connected to the fixed pile 5 in a sliding manner, the first diagonal bracing assembly 16 comprises a first connecting plate 18, the first connecting plate 18 is provided with an L shape, the top of the first connecting plate 18 is fixedly connected with the bridge deck 1, the bottom of the first connecting plate 18 is fixedly connected with a first diagonal bracing 19, the other end of the first diagonal bracing 19 is connected to the fixed pile 5 in a sliding manner, the second diagonal bracing assembly 17 comprises a second connecting plate 20, the second connecting plate 20 is provided with an L shape, the top of the second connecting plate 20 is fixedly connected with the bridge deck 1, the bottom of the second connecting plate 20 is fixedly connected with a second diagonal bracing 21, and the other end of the second diagonal bracing 21 is connected to the fixed pile 5 in a sliding manner;
The fixed piles 5 are provided with the fixed bulges 22 which are in one-to-one correspondence with the first inclined stay bars 19 and the first inclined stay bars 19, the fixed bulges 22 are fixedly connected with the third pressure springs 23, the tops of the third pressure springs 23 are respectively fixedly connected with the first inclined stay bars 19 and the first inclined stay bars 19, and friction parts are also arranged on the relative sliding surfaces between the first inclined stay bars 19, the second inclined stay bars 21 and the fixed piles 5, so that the sliding of the first inclined stay bars 19 and the second inclined stay bars 21 is damped, and the vibration energy is consumed;
In the implementation, a fixed plate 4 is fixedly connected to the bottom of the bailey beam 2 through bolts, two sides of the fixed plate 4 are respectively and fixedly connected with a fixed pile 5, for a diagonal bracing mechanism 6, a first diagonal bracing assembly 16 and a second diagonal bracing assembly 17 are arranged in the same mode, the first diagonal bracing assembly 16 is taken as an example, the top of an L-shaped first connecting plate 18 is fixedly connected with a bridge deck 1, a first diagonal bracing 19 is arranged at the bottom of the first connecting plate 18, the other end of the first diagonal bracing 19 is slidingly connected to the fixed pile 5, a third pressure spring 23 is arranged on a fixed bulge 22, the top of the third pressure spring 23 is fixedly connected with the first diagonal bracing 19, a second diagonal bracing assembly 17 is arranged in the same mode, namely, the top of an L-shaped second connecting plate 20 is fixedly connected with the bridge deck 1, the bottom of the second connecting plate 20 is fixedly provided with a second diagonal bracing 21, the other end of the second diagonal bracing 21 is slidingly connected to the fixed pile 5, a third pressure spring 23 is fixedly arranged on the fixed bulge 22 on the fixed pile 5, and the top of the third pressure spring 23 is fixedly connected with the second diagonal bracing 21 through the bridge deck 1;
The bridge deck slab 1 is subjected to vibration, the L-shaped connecting plate can transmit force to the diagonal brace, the diagonal brace is connected to the fixing pile 5 in a sliding mode, the diagonal brace can slide on the fixing pile 5 for a certain distance, in the process, the third pressure spring 23 on the fixing protrusion 22 can be compressed or stretched, the third pressure spring 23 adapts to the stress and deformation condition of the bridge deck slab 1 through elastic deformation of the third pressure spring 23, elastic supporting force is provided for the diagonal brace, therefore, the diagonal brace can provide stable supporting force for the bridge deck slab 1, the overall shock resistance of the trestle is enhanced, the first diagonal brace assembly 16 and the second diagonal brace assembly 17 are used together to provide double support and protection for the bridge deck slab 1, stability of the trestle under various working conditions is improved, and guardrails 24 are arranged on two sides of the bridge deck slab 1 respectively.
The device has the working principle that when a vehicle or other loads travel or act on the bridge deck plate 1, the bridge deck plate 1 is impacted by the loads to generate vibration, the hinge rod 12 in the damping mechanism 3 moves along with the vibration of the bridge deck plate 1 to push the sliding block 10 to slide on the fixed cross rod 9, the friction part of the sliding block 10 and the fixed cross rod 9 generates friction consumption vibration energy, meanwhile, the first pressure spring 11 stretches and absorbs and dampens the vibration, the guide rod 14 moves along with the vibration of the bridge deck plate 1 in the guide cylinder 13, the second pressure spring 15 further provides damping and buffering effects, so that the vibration amplitude of the bridge deck plate 1 is effectively reduced, the stability and the service life of a trestle are improved, more comfortable experience is provided for passing, and meanwhile, the compression and the stretching of the third pressure springs 23 on the fixed protrusions 22 adapt to the deformation and stress conditions of the bridge deck plate 1, provide stable supporting force for the bridge deck plate 1, and ensure the stability of the trestle under various working conditions.
The working principle of the device has been elucidated by means of the above examples, which only represent a few embodiments of the invention, which are described in greater detail and which are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The river-crossing temporary steel trestle comprises bridge decks (1) and is characterized in that bailey beams (2) are respectively arranged on two sides of the bottom of each bridge deck (1), a plurality of damping mechanisms (3) are arranged between each bailey beam (2) and each bridge deck (1) and are connected through the corresponding damping mechanism (3), fixing plates (4) are arranged on the bottom of each bailey beam (2), fixing piles (5) are respectively arranged on two sides of each fixing plate (4), and inclined strut mechanisms (6) capable of supporting the corresponding bridge decks (1) are arranged on the fixing piles (5).
2. The river-crossing temporary steel trestle according to claim 1, wherein the damping mechanism (3) comprises a fixed base plate (7), the fixed base plate (7) is fixedly installed at the bottom of the bailey beam (2), two sides of the fixed base plate (7) are respectively provided with a fixed base (8), a fixed cross rod (9) is arranged between the two fixed bases (8), two ends of the fixed cross rod (9) are respectively provided with a sliding block (10) capable of sliding, friction parts are respectively arranged on the sliding blocks (10) and the fixed cross rod (9), first pressure springs (11) are respectively arranged at opposite ends of the two sliding blocks (10), the first pressure springs (11) are fixed on the fixed cross rod (9), two sides of the bridge panel (1) are respectively hinged with a hinged rod (12), and the other end of the hinged rod (12) is hinged with the sliding block (10) at the corresponding side of the hinged rod, and the hinged rod (12) is positioned between the two fixed bases (8).
3. The river-crossing temporary steel trestle according to claim 2, wherein a guide cylinder (13) is arranged at the top of the fixed base (8), a guide rod (14) is arranged in the guide cylinder (13), a second pressure spring (15) is sleeved on the outer side of the guide rod (14), the bottom of the second pressure spring (15) is fixedly connected with the guide cylinder (13), and the top of the guide rod (14) is fixedly connected with the bridge deck (1).
4. The temporary steel trestle crossing river according to claim 1, characterized in that the diagonal bracing mechanism (6) comprises a first diagonal bracing assembly (16) and a second diagonal bracing assembly (17), the first diagonal bracing assembly (16) is located on the upper side of the second diagonal bracing assembly (17), the first diagonal bracing assembly (16) and the second diagonal bracing assembly (17) are all arranged on the fixed piles (5), the first diagonal bracing assembly (16) comprises a first connecting plate (18), the first connecting plate (18) is in an L shape, the top of the first connecting plate (18) is fixedly connected with the bridge deck (1), a first diagonal bracing (19) is arranged at the bottom of the first connecting plate (18), the other end of the first diagonal bracing (19) is slidably connected with the fixed piles (5), the second diagonal bracing assembly (17) comprises a second connecting plate (20), the second connecting plate (20) is in an L shape, the top of the second connecting plate (20) is fixedly connected with the bridge deck (1), and the other end of the second diagonal bracing (21) is fixedly connected with the second diagonal bracing (21) on the second diagonal bracing (5).
5. The river-crossing temporary steel trestle of claim 4, wherein the fixed piles (5) are provided with fixing protrusions (22) corresponding to the first diagonal bracing assemblies (16) and the second diagonal bracing assemblies (17) one by one, the fixing protrusions (22) are provided with third pressure springs (23), and the first diagonal bracing rods (19) are fixedly connected with the third pressure springs (23) on the corresponding sides of the first diagonal bracing assemblies and the second diagonal bracing assemblies.
6. The river-crossing temporary steel trestle according to claim 1, characterized in that guardrails (24) are respectively arranged on two sides of the bridge deck (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422691183.8U CN223304840U (en) | 2024-11-05 | 2024-11-05 | River-crossing temporary steel trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422691183.8U CN223304840U (en) | 2024-11-05 | 2024-11-05 | River-crossing temporary steel trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223304840U true CN223304840U (en) | 2025-09-05 |
Family
ID=96910186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422691183.8U Active CN223304840U (en) | 2024-11-05 | 2024-11-05 | River-crossing temporary steel trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223304840U (en) |
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2024
- 2024-11-05 CN CN202422691183.8U patent/CN223304840U/en active Active
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