Detachable inverted arch trestle protection device
By designing a detachable inverted arch trestle protection device and using multiple I-beams and fastening studs for connection, the problem of the existing trestle protection device being difficult to install and disassemble flexibly is solved, achieving hard protection while improving construction safety and convenience.
Patent Information
- Application Number
- CN202422880796.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing trestle protection devices are mostly soft protection, lack hard protection, and are difficult to install and dismantle flexibly, affecting construction safety and efficiency.
A detachable inverted arch trestle protection device is designed, which includes a main structure, a central protection component and a side protection component. The device is connected by multiple I-beams and fastening studs. The side supports are detachably connected to the main structure to form a hard protection, which is convenient for installation and disassembly.
While achieving hard protection, it improves the flexibility and practicality of the device, avoids damage to the structure caused by multiple installations and removals, and enhances construction safety and convenience.
Smart Images

Figure CN223458679U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel engineering technical field, specifically, the utility model relates to a detachable inverted arch trestle protection device. BACKGROUND
[0002] Tunnel is built in the underground or underwater or in the mountain, laying railway or building highway for motor vehicle to pass through the building. In the tunnel construction process, the trestle as the main construction passing facility, its safety protection occupies the important position.
[0003] At present, the existing trestle protection is basically soft protection, and the hard protection is indispensable as the main safety protection, and in order to achieve the purpose of convenient installation and removal and flexible use, therefore, we provide a detachable inverted arch trestle protection device. UTILITY MODEL CONTENT
[0004] Therefore, the utility model provides a detachable inverted arch trestle protection device, thereby solving or at least alleviating the above-mentioned problems existing in the prior art.
[0005] In order to realize the foregoing object, the utility model provides a detachable inverted arch trestle protection device, including main body structure, center protection component and side protection component, the main body structure is provided with two rows, the center protection component is arranged between two rows of main body structures, the side protection component is arranged on the outside of the main body structure, the center protection component is detachably connected with the inside of the main body structure, and the side protection structure is detachably connected with the main body structure.
[0006] In the detachable inverted arch trestle protection device described above, optionally, the main body structure includes multiple spliced I-beams connected in sequence in the transverse direction.
[0007] In the detachable inverted arch trestle protection device described above, optionally, the main body structure further includes a transversely arranged connecting plate, the multiple spliced I-beams are arranged along the longitudinal direction, and the connecting plate connects the multiple spliced I-beams in the transverse direction.
[0008] In the detachable inverted arch trestle protection device described above, optionally, the multiple spliced I-beams are provided with insertion holes, the lower surface of the connecting plate is fixedly provided with fastening studs, and the fastening studs are connected with fastening nuts after penetrating the insertion holes.
[0009] In the detachable inverted arch trestle protection device as claimed in the preceding description, optionally, the side protection assembly comprises a side support, a long pipe, a guardrail, a side buckle and a sleeve pipe, the inner side end of the side support is connected with the corresponding side of the main structure, the long pipe is sequentially provided with three in the height direction of the side support, the inner side surface of the long pipe on the upper and lower sides is fixedly installed with the sleeve pipe, the side buckle is provided with one on the upper and lower ends of both sides of the guardrail, and the side buckle is inserted into the sleeve pipe.
[0010] In the detachable inverted arch trestle protection device as claimed in the preceding description, optionally, the side support is equidistantly provided with a plurality of side supports in the length direction of the main structure, the side support comprises a transverse I-beam and a longitudinal I-beam, the transverse I-beam is connected with the bottom of the main structure, and the longitudinal I-beam is vertically installed on the outer side end of the upper surface of the transverse I-beam.
[0011] In the detachable inverted arch trestle protection device as claimed in the preceding description, optionally, a buffer gap is arranged between the longitudinal I-beam and the outer side surface of the main structure, a reinforcing bar is arranged between two adjacent transverse I-beams in the length direction, and the reinforcing bar is located in the buffer gap.
[0012] In the detachable inverted arch trestle protection device as claimed in the preceding description, optionally, the bottom of the reinforcing bar is provided with a side short pipe, the bottom end of a fastening stud corresponding in position to the side short pipe penetrates through the side short pipe, and a fastening nut is located at the bottom of the side short pipe.
[0013] In the detachable inverted arch trestle protection device as claimed in the preceding description, optionally, the transverse I-beam is provided with a through hole for the fastening stud to penetrate through on both sides in the length direction of the main structure, and the bottom end of a fastening stud corresponding in position to the transverse I-beam penetrates through the through hole.
[0014] In the detachable inverted arch trestle protection device as claimed in the preceding description, optionally, the center protection assembly comprises a center short pipe and a walking pedal, the end of the walking pedal is fixedly provided with a center buckle, the center buckle is sleeved on the center short pipe from top to bottom, and the two ends of the center short pipe are connected to the inner sides of the two main structures.
[0015] In the detachable inverted arch trestle protection device, the main structure, the center protection assembly and the side protection assembly can effectively form hard protection, are convenient to assemble and disassemble, avoid damage to the structure caused by repeated assembly and disassembly, and improve the flexibility and practicality of the device. BRIEF DESCRIPTION OF DRAWINGS
[0016] The disclosure of the present application will be more apparent with reference to the drawings. It should be understood that these drawings are only for illustrative purposes, and are not intended to limit the scope of protection of the present application. In the drawings:
[0017] Figure 1 The utility model discares a detachable inverted arch trestle protection device structure schematic view.
[0018] Figure 2 The utility model discares Figure 1 The enlarged view of A in the middle.
[0019] Figure 3 The utility model discares Figure 1 The enlarged view of B in the middle.
[0020] Figure 4 The utility model discares Figure 1 Front view.
[0021] Figure 5 The utility model discares Figure 1 Side view.
[0022] Figure 6 The utility model discares Figure 5 The enlarged view of C in the middle.
[0023] Figure 7 The utility model discares the schematic view of transverse connecting plate on multiple spliced I -steel.
[0024] Figure 8 The utility model discares Figure 7 The enlarged view of D in the middle.
[0025] Figure 9 The utility model discares Figure 8 The enlarged view of E in the middle.
[0026] Figure 10 The utility model discares Figure 7 Bottom view.
[0027] Figure 11 The utility model discares Figure 10 The enlarged view of F in the middle.
[0028] Figure 12 The utility model discares Figure 10 The enlarged view of G in the middle.
[0029] Figure 13 The utility model discares the schematic view of side protection assembly and main body structure of Figure 10 After splitting.
[0030] Figure 14 The utility model discares Figure 13 The enlarged view of H in the middle.
[0031] Figure 15 The utility model discares Figure 13 The enlarged view of I in the middle.
[0032] Reference signs: main body structure 1, multi-spliced I-beam 1.1, transversely arranged connecting plate 1.2, insertion hole 1.3, fastening stud 1.4, fastening nut 1.5, central protection assembly 2, central short pipe 2.1, walking step 2.2, central buckle 2.3, side protection assembly 3, long pipe 3.1, protection fence 3.2, side buckle 3.3, sleeve pipe 3.4, pipe hole 3.5, transverse I-beam 3.6, longitudinal I-beam 3.7, mounting bolt 4, through hole 5, mounting nut 6, buffer gap 7, reinforcing bar 8, threaded sleeve 9, smooth sleeve 10, side short pipe 11, through hole 12. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0034] As shown in the drawings, Figure 1 A typical embodiment of the present application provides a detachable inverted arch trestle protection device, which comprises a main body structure 1, a central protection assembly 2 and a side protection assembly 3. The main body structure 1 is provided with two rows for vehicle and personnel walking. The central protection assembly 2 is arranged between the two rows of main body structures 1. The side protection assembly 3 is arranged outside the main body structure 1. The central protection assembly 2 is detachably connected with the inner side of the main body structure 1. The side protection assembly is detachably connected with the main body structure 1.
[0035] In the embodiment, the two main body structures 1 are used for vehicle passing and personnel walking. The central protection assembly 2 is not only used for effectively protecting the area between the two main body structures 1, but also can reduce the width of the main body structure 1 by arranging the central protection assembly 2, so as to reduce the weight and cost of the overall protection device, and make the overall protection device more convenient to install and detach. The side protection assembly 3 is used for protecting the area outside the main body structure 1. In addition, the detachable connection mode of the main body structure 1, the central protection assembly 2 and the side protection assembly 3 greatly facilitates the installation and detachment of the overall protection device.
[0036] The main body structure 1 comprises multi-spliced I-beams 1.1 connected in sequence in the transverse direction. Specifically, in the embodiment, the multi-spliced I-beams 1.1 are spliced in the transverse direction to realize the coverage of the main body structure 1 in the transverse direction. The main body structure 1 formed by splicing the multi-spliced I-beams 1.1 has sufficient strength and stability to ensure that the protection device has sufficient safety and passability.
[0037] As shown in the drawings, Figure 7 , Figure 8 , Figure 12and Figure 15 As shown in the figure, the main body structure 1 further comprises a transverse connecting plate 1.2, the multi-spliced I-beams 1.1 are arranged in the longitudinal direction, and the transverse connecting plate 1.2 connects the multi-spliced I-beams 1.1 in the transverse direction. In this embodiment, the transverse connecting plate 1.2 effectively connects and fixes the multi-spliced I-beams 1.1 spliced into the main body structure 1 in the transverse direction, not only improving the stability and strength of the main body structure 1 as a whole, but also forming a concave-convex plane on the upper surface of the main body structure 1, which can improve the limiting and anti-skid effects on the vehicle body when the vehicle body passes through, and further improve the safety of vehicle passing.
[0038] The multi-spliced I-beams 1.1 are provided with insertion holes 1.3, the lower surface of the transverse connecting plate 1.2 is fixedly provided with fastening studs 1.4, and the fastening studs 1.4 are connected with fastening nuts 1.5 after passing through the insertion holes 1.3. In the process of splicing the multi-spliced I-beams 1.1 into the main body structure 1, in the transverse direction, each fastening stud 1.4 is directly passed through the insertion hole 1.3 of each multi-spliced I-beam 1.1, and then the fastening nut 1.5 is connected to the fastening stud 1.4 from the bottom end of the multi-spliced I-beam 1.1, so as to fix the transverse connecting plate 1.2 on the main body structure 1.
[0039] As shown in the figure, Figure 2 , Figures 5 to 11 , Figure 13 and Figure 14 As shown in the figure, the side protection assembly 3 comprises a side support, a long tube 3.1, a guardrail 3.2, a side buckle 3.3 and a sleeve 3.4, the inner side end of the side support is connected with the main body structure 1 of the corresponding side, the long tube 3.1 is provided with three in the height direction of the side support in turn, the inner side surface of the long tube 3.1 on the upper and lower sides is fixedly provided with the sleeve 3.4, the side buckle 3.3 is provided with one on the upper and lower ends of both sides of the guardrail 3.2, and the side buckle 3.3 is inserted into the sleeve 3.4.
[0040] The long tube 3.1 connects the side supports on the same side into a whole, which can improve the stability of the whole. Specifically, in this embodiment, the side support is provided with a tube hole 3.5 for the long tube 3.1 to pass through. The long tube 3.1 is connected with all the side supports by passing through the tube hole 3.5.
[0041] The guardrail 3.2 is inserted into the sleeve 3.4 through the side buckle 3.3, which realizes quick installation and disassembly. In this embodiment, the two adjacent side supports are completely covered by the guardrail 3.2, and the sleeve 3.4 can limit the long tube 3.1 in the length direction of the main body structure 1, so that the long tube 3.1 cannot be displaced relative to the side support in the length direction, thereby improving the stability of the long tube 3.1. At the same time, the guardrail 3.2 connects the upper and lower sleeves 3.4, thereby improving the stability between the upper and lower sleeves 3.4.
[0042] As shown in Figure 9 and Figure 11 shown, in a relatively specific embodiment, one side of the sleeve 3.4 is fixedly mounted with an "L"-shaped mounting bolt 4, the long tube 3.1 is provided with a through hole 5 for the mounting bolt 4 to pass through, and the mounting bolt is connected with a mounting nut 6 after being screwed through the through hole 5. In this way, the sleeve 3.4 is detachably connected with the long tube 3.1, and thus, after the sleeve 3.4 is removed from the long tube 3.1, it is more convenient to insert or extract the long tube 3.1 into or out of the pipe hole 3.5 on the side support.
[0043] As shown in Figure 2 and Figure 4 shown, the side support is provided with a plurality of equidistantly arranged in the length direction of the main structure 1, and the side support includes a transverse I-beam 3.6 and a longitudinal I-beam 3.7. The transverse I-beam is connected with the bottom of the main structure 1, and the longitudinal I-beam 3.7 is vertically mounted on the outer side end of the upper surface of the transverse I-beam 3.6. Specifically, two pipe holes 3.5 are arranged on the longitudinal I-beam in an up-down distribution, and one pipe hole 3.5 is arranged on the outer side end of the transverse I-beam 3.6.
[0044] As shown in Figure 4 shown, a buffer gap 7 is provided between the longitudinal I-beam 3.7 and the outer side of the main structure 1, and a steel bar 8 is provided between two adjacent transverse I-beams 3.6 in the length direction, and the steel bar 8 is located in the buffer gap 7.
[0045] As shown in Figure 8 shown, in a relatively specific embodiment, the steel bar 8 is a threaded steel bar, and three threaded sleeves 9 and one smooth sleeve 10 are fixedly mounted on the upper surface of the transverse I-beam 3.6 corresponding to the position of the buffer gap 7. The three threaded sleeves 9 are arranged in the transverse direction in sequence, and the three smooth sleeves 10 are arranged in the transverse direction in sequence. One end of the steel bar 8 is inserted into the smooth sleeve 10, and the other end of the steel bar 8 is threadedly mounted in the threaded sleeve. In this way, the steel bar 8 has strong stability and is convenient to install and remove.
[0046] As shown in Figure 2 , Figure 6 , Figure 12 and Figure 14 shown, the bottom of the steel bar 8 is provided with a side short tube 11, the bottom end of the fastening stud 1.4 corresponding to the position of the side short tube 11 passes through the side short tube 11, and the fastening nut 1.5 is located at the bottom of the side short tube 11. The side short tube 11 can support the steel bar 8 from the bottom in the area between the two transverse I-beams 3.6, thereby improving the stability and compression resistance of the steel bar 8.
[0047] As shown in Figure 14As shown, the transverse I-beam 3.6 is provided with a through hole 12 on both sides of the main structure 1 in the length direction, and the bottom end of the fastening stud 1.4 corresponding to the position of the transverse I-beam 3.6 passes through the through hole 12. In this way, the main body and the transverse I-beam 3.6 can be connected and fixed while the multiple I-beams 1.1 are fixed by the transverse connecting plate 1.2 during the splicing process of the main body.
[0048] As shown in the drawings, Figures 2 to 4 As shown, the center protection assembly 2 includes a center short pipe 2.1 and a walking pedal 2.2, and the end of the walking pedal 2.2 is fixedly provided with a center buckle 2.3, the center buckle 2.3 is sleeved on the center short pipe 2.1 from top to bottom, and the two ends of the center short pipe 2.1 are connected to the inner sides of the two main structures 1. Specifically, in the embodiment, the length of the center short pipe 2.1 is greater than the distance between the adjacent two main structures 1. In the length direction, the adjacent two center short pipes 2.1 are connected and effectively limited by the walking pedal 2.2, and in the width direction, the center short pipe 2.1 and the walking pedal 2.2 are effectively limited by the two main structures 1 on both sides, thereby achieving the effect of convenient installation and disassembly while the center protection assembly 2 has sufficient stability and strength.
[0049] The technical scope of the utility model is not limited to the above-mentioned content in the specification, and those skilled in the art can make various deformations and modifications to the above-mentioned embodiments without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the scope of the utility model.
Claims
1. A demountable inverted arch trestle guard characterised in that, The application relates to a protective assembly, which comprises a main body structure, a center protection assembly and side protection assemblies, the main body structure is provided with two rows, the center protection assembly is arranged between the two rows of main body structures, the side protection assemblies are arranged outside the main body structure, the center protection assembly is detachably connected with the inner side of the main body structure, and the side protection assemblies are detachably connected with the main body structure.
2. A demountable inverted arch trestle guard as claimed in claim 1, wherein, The main body structure comprises multiple I-shaped steel bars which are sequentially connected in the transverse direction.
3. A demountable inverted arch trestle guard as claimed in claim 2, wherein, The main body structure further comprises a transversely arranged connecting plate which connects the multiple I-shaped steel bars in the longitudinal direction.
4. A demountable inverted arch trestle guard as claimed in claim 3, wherein, Holes are formed in the multiple I-shaped steel bars, fastening studs are fixedly arranged on the lower surface of the connecting plate, and fastening nuts are connected to the fastening studs after penetrating the holes.
5. A demountable inverted arch trestle guard as claimed in claim 4, wherein, The side protection assembly comprises a side support, a long pipe, a protective fence, a side buckle and a sleeve, the inner side end of the side support is connected with the corresponding main body structure, three long pipes are sequentially arranged in the height direction of the side support, sleeves are fixedly arranged on the inner side surfaces of the long pipes located at the upper and lower sides, one side buckle is arranged at the upper and lower ends of the protective fence, and the side buckle is inserted into the sleeve.
6. A demountable inverted arch trestle guard as claimed in claim 5, wherein, Multiple side supports are equidistantly arranged in the length direction of the main body structure, the side support comprises a transverse I-shaped steel bar and a longitudinal I-shaped steel bar, the transverse I-shaped steel bar is connected with the bottom of the main body structure, and the longitudinal I-shaped steel bar is perpendicularly arranged on the outer side end of the upper surface of the transverse I-shaped steel bar.
7. A demountable inverted arch trestle guard as claimed in claim 6, wherein, A buffer gap is arranged between the longitudinal I-shaped steel bar and the outer side surface of the main body structure, and a reinforcing steel bar is arranged between two adjacent transverse I-shaped steel bars in the length direction and located in the buffer gap.
8. A demountable inverted arch trestle guard as claimed in claim 7, wherein, A side short pipe is arranged at the bottom of the reinforcing steel bar, the bottom end of a fastening stud corresponding to the position of the side short pipe penetrates the side short pipe, and the fastening nut is arranged at the bottom of the side short pipe.
9. A demountable inverted arch trestle guard as claimed in claim 6, wherein, The transverse I-shaped steel bar is provided with a through hole for the fastening stud to penetrate at both sides in the length direction of the main body structure, and the bottom end of the fastening stud corresponding to the position of the transverse I-shaped steel bar penetrates the through hole.
10. A demountable inverted arch trestle guard as claimed in claim 1, wherein, The center protection assembly comprises a center short pipe and a walking pedal, a center buckle is fixedly arranged at the end of the walking pedal, the center buckle is sleeved on the center short pipe from top to bottom, and the two ends of the center short pipe are connected with the inner sides of the two main body structures.