Fabricated steel shed tunnel anti-impact connecting device
By setting up buffer columns and auxiliary springs in the impact-resistant connection device of the steel shed hole, the damage problem of mountain rockfall to the steel shed is solved, the impact resistance is improved, and the safety of railway and highway operations is ensured.
Patent Information
- Application Number
- CN202421013205.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-11
AI Technical Summary
Rockfalls or collapses on the mountain cause serious damage to the steel trellis and endanger the safety of railway and highway operations.
A prefabricated steel shed hole impact resistance connection device is designed, and the impact of the steel shed is reduced by providing a buffer mechanism, including a buffer column and an auxiliary spring, at the connection position of the steel shed and the longitudinal beam.
When the buffer column and auxiliary spring fall or collapse, the impact kinetic energy is converted into elastic potential energy, reducing the impact of the steel trellis, improving impact resistance and ensuring operational safety.
Smart Images
Figure CN222500014U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shed holes, in particular to an assembled steel shed hole anti-impact connection device. Background Art
[0002] The mountainous areas in western my country cover a large area, with continuous mountains, steep terrain and complex geological conditions. At the same time, with the continuous construction and improvement of mountain roads, various disasters such as side collapse, mountain rockfall, mudslides, earthquakes, snow disasters, etc. seriously affect the normal traffic of mountain roads. The slopes of mountain roads are steep, and there are no more construction sites and foundations to provide for the construction of other types of sheds. At present, there is a method of building steel sheds for railway bridges: piers are set side by side on both sides of the railway bridge piers, arched tunnels are dug on the cliffs on both sides of the tunnel, longitudinal beams are set between the piers and the tunnels, and arched protective sheds are installed on the two longitudinal beams. The steel shed of this scheme is close to the mountain, and the dangerous rocks and stones on the mountain are prone to rockfall or even collapse under the inducing factors such as continuous rainfall, vibration, and earthquakes, endangering the safety of railway and highway operations. Utility Model Content
[0003] In order to solve the problems of the above-mentioned prior art, the utility model provides an assembled steel shed hole impact-resistant connection device, in which a buffer mechanism is arranged at the connection position of the steel shed and the longitudinal beam to reduce the impact on the steel shed, thereby solving the problem that falling rocks from the mountain may cause serious damage to the steel shed and endanger the safety of railway and highway operations.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembled steel shed hole impact-resistant connection device, comprising a column pier, a longitudinal beam erected on the upper end of the column pier and a steel shed frame arranged above the longitudinal beam, a plurality of buffer mechanisms are arranged at the connection between the longitudinal beam and the steel shed frame, the buffer mechanism comprises a first mounting plate connected to the flange of the steel shed frame, a second mounting plate connected to the flange of the longitudinal beam, a buffer column is arranged between the first mounting plate and the second mounting plate, an auxiliary spring is arranged around the buffer column, and both ends of the auxiliary spring are fixedly connected to the first mounting plate and the second mounting plate respectively.
[0005] The above structural design is adopted to set a buffer mechanism, which can alleviate the impact caused by severe collision. When dangerous rocks and stones on the mountain fall or even collapse due to factors such as continuous rainfall, vibration, and earthquake, the falling stones will cause great impact and damage to the steel scaffolding. The function of the buffer column and the auxiliary spring is that at the moment when the stone hits the steel scaffolding, the steel scaffolding moves downward with the stone, converting part of the impact kinetic energy into elastic potential energy, thereby reducing the impact on the steel scaffolding by increasing the time of momentum change, thereby playing a buffering role.
[0006] Preferably, the buffer column includes a sliding column fixedly connected to the lower end of the first mounting plate, and a sleeve fixedly connected to the upper end of the second mounting plate, the sliding column extends into the sleeve, and the part of the sliding column extending into the sleeve is fixedly connected to a limiting plate, a compression spring is arranged between the sliding column and the second mounting plate, and a buffer spring is arranged between the limiting plate and the second mounting plate, and the buffer spring is sleeved with the compression spring and is arranged concentrically.
[0007] With the above structural design, if the sliding column is subjected to vertical downward pressure, the sliding column moves downward and squeezes the compression spring. The compression spring is squeezed and compresses the buffer spring. The compression spring and the buffer spring will perform buffering protection at the same time. The purpose of this design is to prevent a single spring from exceeding its spring coefficient and losing its function. Double-layer buffering protection is performed by the compression spring and the buffer spring, thereby effectively protecting the buffer mechanism.
[0008] Preferably, a groove is provided at the side end of the second mounting plate, a sliding rod is fixedly connected in the groove, two sliding blocks are symmetrically slidably connected to the sliding rod, the sliding blocks are rotatably connected to the connecting rod, the other end of the connecting rod is rotatably connected to the first mounting plate, and the sliding rod is located between the two sliding blocks and is sleeved with a limiting spring.
[0009] By adopting the above structural design, the expansion and contraction characteristics of the limit spring are utilized to consume the impact force, and at the same time, the connection between the first mounting plate and the second mounting plate is strengthened, that is, the connection between the steel scaffold and the longitudinal beam is strengthened.
[0010] Preferably, both ends of the auxiliary spring are fixedly connected to threaded knobs, and threaded holes matching the threaded knobs are provided on the first mounting plate and the second mounting plate. There are multiple threaded holes provided on the first mounting plate and the second mounting plate around the buffer column, and the positions and numbers of the threaded holes on the first mounting plate and the second mounting plate correspond.
[0011] With the above structural design, the operator can adjust the number of auxiliary springs as needed, thereby increasing the practicability of the device.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The buffer mechanism can alleviate the impact caused by violent collision. When the dangerous rocks and stones on the mountain fall or even collapse due to continuous rainfall, vibration, earthquake and other inducing factors, the falling stones will cause great impact and damage to the steel scaffolding. The function of the buffer column and auxiliary spring is that at the moment when the stone hits the steel scaffolding, the steel scaffolding moves downward with the stone, converting part of the impact kinetic energy into elastic potential energy, reducing the impact on the steel scaffolding by increasing the time of momentum change, and playing a buffering role.
[0014] 2. Multiple buffer protections are set up to enhance the steel scaffolding's ability to resist impact, while preventing a single spring from exceeding its stiffness coefficient and losing its function and failing to achieve the buffering effect, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the buffer mechanism of the utility model;
[0017] Figure 3 It is a cross-sectional view of the buffer mechanism of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the auxiliary spring of the utility model. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4 The utility model provides a technical solution: an assembled steel shed hole anti-impact connection device, comprising a column pier 3, a longitudinal beam 2 erected on the upper end of the column pier 3 and a steel shed 1 arranged above the longitudinal beam 2, characterized in that: a plurality of buffer mechanisms 4 are arranged at the connection between the longitudinal beam 2 and the steel shed 1, the buffer mechanism 4 comprises a first mounting plate 5 flange-connected to the steel shed 1, a second mounting plate 5 flange-connected to the longitudinal beam 2, a buffer column 7 is arranged between the first mounting plate 5 and the second mounting plate 6, an auxiliary spring 8 is arranged around the buffer column 7, and the two ends of the auxiliary spring 8 are fixedly connected to the first mounting plate 5 and the second mounting plate 6 respectively. The buffer mechanism 4 is provided to alleviate the impact caused by violent collision. When dangerous rocks and stones on the mountain fall or even collapse due to continuous rainfall, vibration, earthquake and other inducing factors, the falling stones will cause great impact and damage to the steel scaffolding 1. The function of the buffer column 7 and the auxiliary spring 8 is that when the stone hits the steel scaffolding 1, the steel scaffolding 1 moves downward with the stone, converting part of the impact kinetic energy into elastic potential energy, thereby reducing the impact on the steel scaffolding 1 by increasing the time of momentum change, thereby playing a buffering role.
[0021] The buffer column 7 includes a sliding column 71 fixedly connected to the lower end of the first mounting plate 5, and a sleeve 72 fixedly connected to the upper end of the second mounting plate 6. The sliding column 71 extends into the sleeve 72, and the portion of the sliding column 71 extending into the sleeve 72 is fixedly connected to the limiting plate 73. A compression spring 75 is arranged between the sliding column 71 and the second mounting plate 6, and a buffer spring 74 is arranged between the limiting plate 73 and the second mounting plate 6. The buffer spring 74 covers the compression spring 75 and is arranged concentrically. If the sliding column 9 is subjected to vertical downward pressure, the sliding column 9 moves downward and squeezes the compression spring 75. The compression spring 75 is squeezed and compresses the buffer spring 74. The compression spring 75 and the buffer spring 74 will perform buffer protection at the same time. The purpose of this design is to prevent a single spring from losing its function due to exceeding its stiffness coefficient. The compression spring 75 and the buffer spring 74 perform double-layer buffer protection to effectively protect the buffer mechanism 4.
[0022] A groove is provided at the side end of the second mounting plate 6, and a slide bar 9 is fixedly connected in the groove. Two sliders 10 are symmetrically slidably connected to the slide bar 9. The sliders 10 are rotatably connected to the connecting rod 12. The other end of the connecting rod 12 is rotatably connected to the first mounting plate 5. The slide bar 9 is sleeved with a limit spring 11 at a position between the two sliders 10. The limit spring 11 is used to consume the impact force and strengthen the connection between the first mounting plate 5 and the second mounting plate 6, that is, to strengthen the connection between the steel scaffold 1 and the longitudinal beam 2.
[0023] The two ends of the auxiliary spring 8 are fixedly connected to the threaded knobs 81, and the first mounting plate 5 and the second mounting plate 6 are provided with threaded holes 13 that match the threaded knobs 81. There are multiple threaded holes 13 provided on the first mounting plate 5 and the second mounting plate 6 around the buffer column 7, and the positions and numbers of the threaded holes 13 on the first mounting plate 5 and the second mounting plate 6 correspond. The operator can adjust the number of auxiliary springs 8 as needed, which increases the practicality of the device.
[0024] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. Although the present utility model is described in detail with reference to the above embodiments, it is still possible for the technical solutions recorded in the above embodiments to be modified, or some of the technical features therein to be replaced by equivalents, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. An assembled steel shed hole anti-impact connection device, comprising a column pier (3), a longitudinal beam (2) erected on the upper end of the column pier (3), and a steel shed frame (1) arranged above the longitudinal beam (2), characterized in that: A plurality of buffer mechanisms (4) are arranged at the connection between the longitudinal beam (2) and the steel scaffold (1), and the buffer mechanism (4) comprises a first mounting plate (5) flange-connected to the steel scaffold (1), and a second mounting plate (6) flange-connected to the longitudinal beam (2); a buffer column (7) is arranged between the first mounting plate (5) and the second mounting plate (6); an auxiliary spring (8) is arranged around the buffer column (7); and two ends of the auxiliary spring (8) are fixedly connected to the first mounting plate (5) and the second mounting plate (6), respectively.
2. The assembled steel shed hole anti-impact connection device according to claim 1, characterized in that: The buffer column (7) comprises a sliding column (71) fixedly connected to the lower end of the first mounting plate (5) and a sleeve (72) fixedly connected to the upper end of the second mounting plate (6); the sliding column (71) extends into the sleeve (72); the portion of the sliding column (71) extending into the sleeve (72) is fixedly connected to a limiting plate (73); a compression spring (75) is arranged between the sliding column (71) and the second mounting plate (6); a buffer spring (74) is arranged between the limiting plate (73) and the second mounting plate (6); the buffer spring (74) is sleeved around the compression spring (75) and is concentrically arranged.
3. The assembled steel shed hole anti-impact connection device according to claim 1 is characterized in that: A groove is provided at the side end of the second mounting plate (6), a slide rod (9) is fixedly connected in the groove, two sliders (10) are symmetrically slidably connected to the slide rod (9), the sliders (10) are rotatably connected to the connecting rod (12), the other end of the connecting rod (12) is rotatably connected to the first mounting plate (5), and a limit spring (11) is sleeved on the slide rod (9) at a position between the two sliders (10).
4. The assembled steel shed hole anti-impact connection device according to claim 1, characterized in that: The two ends of the auxiliary spring (8) are fixedly connected to the threaded knobs (81); the first mounting plate (5) and the second mounting plate (6) are provided with threaded holes (13) matching the threaded knobs (81); a plurality of threaded holes (13) provided on the first mounting plate (5) and the second mounting plate (6) are arranged around the buffer column (7); and the positions and numbers of the threaded holes (13) on the first mounting plate (5) and the second mounting plate (6) correspond to each other.