Scaffold for erecting and supporting roadway U-shaped shed
By connecting Z-shaped tie rods between U-shaped scaffolds and setting a large plate on top, a stable platform for working at height is formed. Equipped with a sensor warning structure, the problem of unsafe personnel climbing at height during the construction and support of U-shaped scaffolds in the roadway is solved, achieving higher operational safety and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-27
AI Technical Summary
During the construction and support of the existing U-shaped canopy in the tunnel, there are safety concerns when personnel are working at height, especially since the ladder has a small foothold, making it prone to instability, and the operation is laborious and unsafe.
Z-shaped tie rods are connected between the legs of adjacent U-shaped scaffolds, and a large board is installed on top of it. One end of the large board is supported by the Z-shaped tie rods, and the other end is placed on a stable gable wall to form a high-altitude work platform. At the same time, sensor strips and alarms are installed on the top of the large board to remind workers to avoid falling.
By constructing a stable elevated work platform, operational safety was improved, the risk of falls was avoided, and the stability and safety of operations were enhanced.
Smart Images

Figure CN224048626U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of scaffolding technology, and in particular to a scaffolding for supporting a U-shaped canopy in a tunnel. Background Technology
[0002] U-shaped canopy support for roadways is a support structure used in underground engineering projects such as mine roadways and tunnels. It is mainly used to maintain the stability of the roadway, prevent the collapse of the surrounding rock, and ensure the safety of construction and operation.
[0003] The erection and support of U-shaped scaffolding requires workers to climb to heights, especially for tasks such as fixing the scaffolding clips and hanging the safety netting at the overlapping sections. Workers must operate from ladders, which requires them to hold onto the ladder with one hand while working with the other. However, ladder footplates are mostly made of steel bars, resulting in a small contact area at the foot, making it easy to lose stability and making the operation strenuous and unsafe. Therefore, this utility model proposes a scaffolding for the erection and support of U-shaped scaffolding in tunnels to address the shortcomings of existing technologies. Utility Model Content
[0004] To address the aforementioned problems, the purpose of this utility model is to provide a scaffold for supporting U-shaped canopies in roadways. This is achieved by connecting Z-shaped tie rods between the legs of adjacent U-shaped canopies, and then installing a large board on top of the Z-shaped tie rods. One end of the large board is supported by the Z-shaped tie rods, while the other end can be erected on a stable gable wall. The top of the large board can then form a platform for working at height.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A type of scaffolding for supporting U-shaped canopies in a tunnel includes Z-shaped tie rods for connecting adjacent U-shaped canopy legs. A large plate is provided at the top of the Z-shaped tie rod. Positioning seats are provided on both side walls of one end of the large plate, and positioning bolts are provided on the positioning seats. Positioning screw holes adapted to the positioning bolts are provided on the Z-shaped tie rod. A nut is provided at one end of each positioning bolt after it passes through the positioning screw hole. A movable groove is provided at the top of one end of the large plate away from the positioning seat, and a limiting plate is provided within the movable groove. Side strips are provided on both sides of the top of the large plate, and sensor strips are provided on the inner side walls of the side strips. The length of the sensor strips is adapted to the length of the side strips. An alarm and a controller are provided at the bottom of the large plate, and both the sensor strips and the alarm are connected to the controller.
[0007] A further improvement is that the Z-shaped tie rod includes a first longitudinal side beam, a second longitudinal side beam, and a crossbeam. The first longitudinal side beam is provided at the top of one end of the crossbeam, and the second longitudinal side beam is provided at the bottom of the other end of the crossbeam. A diagonal tie rod is provided between the second longitudinal side beam and the bottom of the crossbeam.
[0008] A further improvement is that the lower end of the limiting plate extends into the interior of the movable groove, the top of the limiting plate is provided with a top plate, and the top of the top plate is provided with a pull rod.
[0009] Further improvement lies in that the positioning seat comprises a first L-shaped plate and a second L-shaped plate, the first L-shaped plate is arranged on one end side wall of the large plate, and the second L-shaped plates are symmetrically arranged at lower ends of the first L-shaped plate.
[0010] Further improvement lies in that the top of the large plate is provided with anti-skid ribs and anti-skid textures, and the anti-skid ribs are provided with multiple groups.
[0011] Further improvement lies in that the bottom of the large plate is provided with support beams, the support beams are provided with multiple groups, and the two ends of the multiple groups of support beams are provided with grooves, and the grooves are provided with fixing holes.
[0012] The utility model discloses a beneficial effect that: the utility model discloses a Z-shaped tension strip is connected between the adjacent U-shaped shed frame shed leg, then sets up the large plate at the top of Z-shaped tension strip, and one end of the large plate is supported by Z-shaped tension strip, and the other end can be set up on the stable gable, and the top of the large plate can constitute the climbing operation platform, the utility model discloses a warning structure is constituted by setting the induction strip on the edge strip of the two sides of the large plate and setting the alarm and the controller at the bottom of the large plate, and the induction strip position is moved to the alarm warning of the operating personnel's foot, avoids the danger of falling, and the use safety of the utility model discloses the scaffold is improved. ACCURACY OF DRAWINGS
[0013] Figure 1 It is the structure installation structure schematic drawing of the utility model structure;
[0014] Figure 2 It is the structure three-dimensional schematic drawing of the utility model structure;
[0015] Figure 3 It is the Z-shaped tension strip structure three-dimensional schematic drawing of the utility model;
[0016] Figure 4 It is the positioning seat structure three-dimensional schematic drawing of the utility model;
[0017] Figure 5 It is the support beam installation structure schematic drawing of the utility model.
[0018] Wherein: 1, U-shaped shed frame;2, Z-shaped tension strip;201, first longitudinal edge beam;202, second longitudinal edge beam;203, crossbeam;204, inclined pull rod;3, large plate;4, positioning seat;401, first L-shaped plate;402, second L-shaped plate;5, positioning bolt;6, movable groove;7, limiting plate;8, edge strip;9, induction strip;10, alarm;11, controller;12, top plate;13, pull rod;14, anti-skid rib;15, anti-skid texture;16, support beam;17, groove;18, fixing hole. DETAILED DESCRIPTION
[0019] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the examples are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.
[0020] Example one
[0021] According to Figures 1-5 As shown in the figure, the embodiment provides a scaffold for erecting and supporting a U-shaped shed in a roadway, which comprises a Z-shaped bracing 2 for connecting adjacent shed legs of a U-shaped shed 1, a large plate 3 is arranged at the top of the Z-shaped bracing 2, positioning seats 4 are arranged on both sides of one end of the large plate 3, positioning bolts 5 are arranged on the positioning seats 4, positioning screw holes are arranged on the Z-shaped bracing 2 and matched with the positioning bolts 5, nuts are arranged on one end of the positioning bolts 5 after the positioning bolts 5 pass through the positioning screw holes, a movable slot 6 is arranged at the top of one end of the large plate 3 away from the positioning seats 4, a limiting plate 7 is arranged in the movable slot 6, edge strips 8 are arranged on both sides of the top of the large plate 3, induction strips 9 are arranged on the inner side walls of the edge strips 8, the lengths of the induction strips 9 are matched with the lengths of the edge strips 8, an alarm 10 and a controller 11 are arranged at the bottom of the large plate 3, and the induction strips 9 and the alarm 10 are connected with the controller 11. In the utility model, the large plate 3 is selected from a 50mm-thick steel plate. When the feet of the workers approach the induction strips 9, the induction signals are transmitted to the controller 11, and the controller 11 controls the alarm 10 to alarm and prompt the workers not to continue to approach the edge.
[0022] When the scaffold of the utility model is assembled and used, one end of the large plate 3 is arranged at the top of the Z-shaped bracing 2, the positioning seats 4 on both sides of the large plate 3 are clamped on the Z-shaped bracing 2, then the positioning bolts 5 and the nuts are used to connect the positioning seats 4, the large plate 3 and the Z-shaped bracing 2, the other end of the large plate 3 is arranged on the stable gable, at this time, the large plate 3 can form a working platform between the gable and the Z-shaped bracing 2.
[0023] The Z-shaped bracing 2 comprises a first longitudinal edge beam 201, a second longitudinal edge beam 202 and a cross beam 203, one end of the top of the cross beam 203 is provided with the first longitudinal edge beam 201, the other end of the bottom of the cross beam 203 is provided with the second longitudinal edge beam 202, and a diagonal pull rod 204 is arranged between the second longitudinal edge beam 202 and the bottom of the cross beam 203. The Z-shaped bracing 2 of the utility model has the advantages of high structural stability by arranging the diagonal pull rod 204, and can realize stable support.
[0024] The lower end of the limiting plate 7 extends out of the inside of the movable slot 6, a top plate 12 is arranged at the top of the limiting plate 7, and a pull rod 13 is arranged at the top of the top plate 12. The movable limiting plate 7 is arranged in the utility model, which can limit one end of the large plate 3 when one end of the large plate 3 is arranged on the top of the gable and slide down, and the installation stability of the large plate 3 is improved.
[0025] The positioning seat 4 comprises a first L-shaped plate 401 and a second L-shaped plate 402, the first L-shaped plate 401 is arranged on one end of the side wall of the large plate 3, and the second L-shaped plate 402 is symmetrically arranged on both sides of the lower end of the first L-shaped plate 401, and the distance between the two second L-shaped plates 402 is adapted to the width of the cross beam 203. The positioning seat 4 of the utility model is arranged to pre-position and install one end of the large plate 3 on the Z-shaped stay 2, so that the large plate 3 is installed in a horizontal and regular state.
[0026] Embodiment two
[0027] According to Figures 1-5 As shown in the drawings, the embodiment provides a scaffold for setting and supporting a roadway U-shaped shed, which comprises a Z-shaped stay 2 for connecting adjacent U-shaped shed legs 1, a large plate 3 arranged at the top of the Z-shaped stay 2, a positioning seat 4 arranged on both side walls of one end of the large plate 3, a positioning bolt 5 arranged on the positioning seat 4, a positioning screw hole arranged on the Z-shaped stay 2 and matched with the positioning bolt 5, a nut arranged on one end of the positioning bolt 5 after the positioning bolt 5 passes through the positioning screw hole, a movable groove 6 arranged at the top of one end of the large plate 3 away from the positioning seat 4, a limiting plate 7 arranged in the movable groove 6, a side strip 8 arranged on both sides of the top of the large plate 3, an induction strip 9 arranged on the inner side wall of the side strip 8, wherein the length of the induction strip 9 is matched with the length of the side strip 8, and an alarm 10 and a controller 11 arranged on the bottom of the large plate 3, wherein the induction strip 9 and the alarm 10 are connected with the controller 11.
[0028] The top of the large plate 3 is provided with anti-skid beads 14 and anti-skid textures 15, and the anti-skid beads 14 are arranged in multiple groups. The anti-skid beads 14 and the anti-skid textures 15 arranged on the top of the large plate 3 can improve the anti-skid performance of the top of the large plate 3.
[0029] The bottom of the large plate 3 is provided with a support beam 16, and the support beam 16 is arranged in multiple groups. The two ends of each group of the support beam 16 are provided with a groove 17, and the groove 17 is provided with a fixing hole 18. The arrangement of the support beam 16 can improve the structural strength of the large plate 3, the grooves 17 at the two ends of the support beam 16 can be used for adding support columns to support the large plate 3, so that the large plate 3 has more stable support performance, and the support column arranged in the groove 17 can be connected with the fixing hole 18 through a fixing piece.
[0030] The utility model discloses a Z-shaped bracing 2 is connected between the adjacent U-shaped shed frame 1 shed leg, then sets up the big board 3 at the top of Z-shaped bracing 2, and one end of big board 3 is supported by Z-shaped bracing 2, and the other end can be set up on the stable gable, and the top of big board 3 can constitute the climbing operation platform, the utility model discloses an inductive strip 9 is set up on the edge strip 8 of the both sides of the top of big board 3, and the alarm 10 and controller 11 are set up at the bottom of big board 3, and the three can constitute the inductive warning structure, and the staff foot moves to the inductive strip 9 position and carries out the alarm warning, avoids the fall danger, and improves the use safety of the utility model scaffold.
[0031] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A kind of tunnel U-shaped shed erects support with scaffold, including the Z-shaped bracing (2) for connecting adjacent U-shaped shed (1) shed leg, it is characterized in that: The Z-shaped tension bar (2) top is provided with a large plate (3), one end of the large plate (3) is provided with a positioning seat (4) on both sides of the wall, the positioning seat (4) is provided with a positioning bolt (5), the Z-shaped tension bar (2) is provided with a positioning screw hole matched with the positioning bolt (5), one end of the positioning bolt (5) is provided with a nut after penetrating out of the positioning screw hole, the large plate (3) is provided with a movable slot (6) at one end of the top away from the positioning seat (4), the movable slot (6) is provided with a limiting plate (7), the large plate (3) top is provided with a side bar (8) on both sides, the side bar (8) is provided with an induction strip (9) on the inner side wall, the length of the induction strip (9) is matched with the length of the side bar (8), the large plate (3) bottom is provided with an alarm (10) and a controller (11), the induction strip (9) and the alarm (10) are connected with the controller (11).
2. The tunnel U-shaped shed erecting and supporting scaffold of claim 1, characterized in that: The Z-shaped tension bar (2) includes a first longitudinal beam (201), a second longitudinal beam (202) and a cross beam (203), the cross beam (203) is provided with the first longitudinal beam (201) at one end of the top, the cross beam (203) is provided with the second longitudinal beam (202) at the other end of the bottom, and the second longitudinal beam (202) and the cross beam (203) bottom are provided with a diagonal pull rod (204).
3. The kind of roadway U-shaped shed sets up the support with the scaffold according to claim 1, its characterized in that: The limiting plate (7) extends out of the movable slot (6) inside, the limiting plate (7) top is provided with a top plate (12), and the top plate (12) top is provided with a pull rod (13).
4. The tunnel U-shaped shed erecting and supporting scaffold of claim 2, characterized in that: The positioning seat (4) includes a first L-shaped plate (401) and a second L-shaped plate (402), the first L-shaped plate (401) is arranged on one end of the side wall of the large plate (3), and the second L-shaped plate (402) is symmetrically arranged on both sides of the lower end of the first L-shaped plate (401). The distance between the two second L-shaped plates (402) is matched with the width of the cross beam (203).
5. The tunnel U-shaped shed erecting and supporting scaffold of claim 1, characterized in that: The large plate (3) top is provided with anti-skid ribs (14) and anti-skid textures (15), and the anti-skid ribs (14) are provided with multiple groups.
6. The tunnel U-shaped shed erecting and supporting scaffold of claim 1, characterized in that: The large plate (3) bottom is provided with a support beam (16), the support beam (16) is provided with multiple groups, and the two ends of the multiple groups of the support beam (16) are provided with grooves (17), and the grooves (17) are provided with fixing holes (18).