Prefabricated block mounting device beneficial to arch-shaped protection upper portion

Abstract

The utility model discloses a precast block installation device helpful for the upper part of an arched protection, which relates to the technical field of road engineering, and comprises two metal arched frames, the metal arched frames are arc-shaped, the two metal arched frames are rotatably arranged through a rotating shaft, and the outer surface of one metal arched frame is provided with a positioning plate; a sliding groove is formed in the end, away from the rotating shaft, of each metal arched frame, a sliding arc rod is slidably arranged in each sliding groove, and the two metal arched frames rotate relatively around the rotating shaft between the two metal arched frames, so that the body size of the practical device can be changed; the arc-shaped positioning plates enable the metal arch-shaped frames on the two sides to be unfolded to form a complete arch shape, deflection caused by not-in-place rotation is avoided, meanwhile, the positioning plates reinforce and protect the connecting position of the two metal arch-shaped frames, and the situation that the two metal arch-shaped frames rotate relatively due to the fact that the two metal arch-shaped frames are impacted is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of road engineering, in particular to a prefabricated block installation device which helps to protect the upper part of an arch. Background Art

[0002] The installation of the upper prefabricated blocks of the arch protection is a relatively complex and error-prone construction task in the construction of arch protection. Manual installation may easily result in the upper "arch" having unsightly and uneven linearity.

[0003] In the prior art, there are specific mounting frames for arch installation. For example, a slope arch frame that is easy to assemble is disclosed in the publication number CN220035473U, which includes an arch outer frame, an arch inner frame is arranged on the inner side of the arch outer frame, and a positioning connecting plate is arranged below the arch outer frame and the arch inner frame, a group of first positioning grooves are provided on both sides of the upper end of the positioning connecting plate, and each group of first positioning grooves is provided with two, and the first positioning grooves are adapted to the lower ends of the arch outer frame and the arch inner frame, and an upper threaded barrel is fixed to the upper end of the inner part of the arch outer frame, and one end of the upper threaded barrel extends to the outside of the arch outer frame.

[0004] This frame can be assembled according to different sizes during use. During transportation and storage, a frame with a fixed size will cause a lot of inconvenience during handling, and a fixed volume will take up too much space during storage, which will limit the actual application of this frame. Summary of the invention

[0005] The purpose of the utility model is to solve the problem that there are many limitations in the transportation and storage of fixed-volume skeletons in the above-mentioned background technology, and to propose a prefabricated block installation device that helps to protect the upper part of the arch.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A prefabricated block installation device for the upper part of an arched protection includes two metal arch frames, each of which is in the shape of an arc and is rotatably arranged between the two metal arch frames via a rotating shaft. A positioning plate is arranged on the outer surface of one of the metal arch frames; a sliding groove is provided at one end of the metal arch frame away from the rotating shaft, and a sliding arc rod is slidably arranged in the sliding groove.

[0008] As a further solution of the utility model: each metal arch frame is arranged in double layers, and a plurality of connecting rods are arranged between the double-layer metal arch frames.

[0009] As a further solution of the utility model: a plurality of connecting rods are arranged along the vertical direction.

[0010] As a further solution of the utility model: a plurality of connecting rods are arranged in an array with equal distances therebetween.

[0011] As a further solution of the utility model: a connecting plate is arranged at one end of the sliding arc rod, and the upper and lower surfaces of the connecting plate are coplanar with the upper and lower surfaces of the metal arch frame.

[0012] As a further solution of the utility model: the positioning plate is in the shape of an arc, and the arc curvature of the positioning plate is the same as the curvature of the metal arch frame.

[0013] As a further solution of the utility model: one end of the positioning plate extends out from the connected metal arch frame.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model is a prefabricated block installation device for the upper part of the arch protection. Two metal arch frames are provided. The two metal arch frames rotate relative to each other around the rotation axis therebetween, thereby being able to change the size of the practical device, making it convenient to set it at a designated location and to store and transport it. An arc-shaped positioning plate is provided on the surface of the metal arch frame on one side, so that the metal arch frames on both sides can be unfolded into a complete arch, avoiding skewness caused by incomplete rotation. At the same time, the positioning plate reinforces and protects the connection between the two metal arch frames to avoid relative rotation of the two metal arch frames due to impact. This solves the problem that during the installation of the upper prefabricated blocks for the arch protection of the roadbed slope, the upper "arch" is prone to unsightly and uneven linear appearance, which consumes a lot of manpower. It is easy to transport and install, effectively improving the work efficiency of the installation of the arch protection prefabricated blocks, greatly avoiding the deterioration caused by the manual installation of the prefabricated blocks, and reducing the frequency of rework and subsequent adjustments.

[0016] (2) The utility model provides a prefabricated block installation device for the upper part of an arch protection, which is provided with a sliding arc rod, and a connecting plate is provided on one side of the sliding arc rod. By moving the connecting plate, the sliding arc rod is driven to extend and retract in the metal arch frame, thereby extending the arch of the utility device; and shortening the length of the metal arch frame, so that it can be folded into a smaller volume for easy transportation and storage; at the same time, the bottom surface of the connecting plate is coplanar with the bottom surface of the metal arch frame, and after the sliding arc rod is extended, the connecting plate can play a certain supporting role. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a structural schematic diagram of a prefabricated block installation device for helping to protect the upper part of an arched structure according to the utility model;

[0019] Figure 2It is a top view schematic diagram of a prefabricated block installation device for helping to protect the upper part of an arched shape according to the utility model;

[0020] Figure 3 It is a structural schematic diagram of a prefabricated block installation device for helping to protect the upper part of an arched structure of the utility model when it is folded;

[0021] Figure 4 The utility model is a schematic top view of a prefabricated block installation device for helping to protect the upper part of an arched shape when folded.

[0022] In the figure: 1. metal arch frame; 2. connecting rod; 3. rotating shaft; 4. positioning plate; 5. sliding groove; 6. sliding arc rod; 7. connecting plate. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] See also Figure 1-4 As shown, the utility model is a prefabricated block installation device for the upper part of the arch protection, comprising two metal arch frames 1, the two metal arch frames 1 have the same curvature, one end of the two metal arch frames 1 is provided with a rotation axis 3, and the two metal arch frames 1 are rotatably connected through the rotation axis 3. Each metal arch frame 1 is a double-layer structure, and a plurality of connecting rods 2 are arranged inside the metal arch frame 1, and the plurality of connecting rods 2 are arranged at equal distances, and the connecting rods 2 are arranged along the vertical direction. A positioning plate 4 is arranged on the outer surface of a metal arch frame 1, and the positioning plate 4 is in the shape of a circular arc plate with a certain curvature, and the curvature of the positioning plate 4 is the same as the curvature of the metal arch frame 1. The positioning plate 4 is located near the rotation axis 3, and one end of the positioning plate 4 extends from the connected metal arch frame 1. A sliding groove 5 is provided at one end of each metal arch frame 1 away from the rotation axis 3, and the sliding groove 5 is arranged along the same curvature in the metal arch frame 1. A sliding arc rod 6 is slidably disposed in each sliding groove 5, and the shape of the sliding arc rod 6 is adapted to the sliding groove 5. Two sliding arc rods 6 are slidably disposed at one end of the double-layer metal arch frame 1, and the two sliding arc rods 6 at the same end are provided with a same connecting plate 7, and the upper and lower surfaces of the connecting plate 7 are coplanar with the two surfaces of the double-layer metal arch frame 1.

[0025] When using this prefabricated block installation device that helps the upper part of the arch protection, the on-site technicians read the relevant content of the drawings and determine the specific position of the arch protection together with the surveyors. Then take out the practical device, rotate the two metal arch frames 1, and the two metal arch frames 1 rotate relative to each other through the rotating shaft 3. Make the positioning plate 4 on the top surface of the metal arch frame 1 on one side contact the metal arch frame 1 on the other side, so that the metal arch frames 1 on both sides are rotated to the corresponding position and unfolded into a complete arch. Then pull the connecting plates 7 at both ends, and the connecting plates 7 drive the sliding arc rod 6 to be pulled out, so that the connecting plates 7 slide at one end of the metal arch frame 1, thereby extending the arch of the practical device. Then the staff uses an excavator at the designated location to excavate the arch protection foundation sample, and then fine-tune it manually; the excavated arch protection position is overall arranged with a gravel cushion foundation that meets the designed thickness. Then the arched practical device is placed inside. Then, under the restriction of the practical device, the arched protective prefabricated blocks can be quickly installed. After the mortar is initially set, the arched practical device is removed. Then, the connecting plate 7 drives the sliding arc rod to slide, so that the sliding arc rod slides into the metal arch frame 1, thereby reducing the volume of the practical device. Then, the metal arch frames 1 on both sides are relatively rotated, and the two metal arch frames 1 are close to each other around the rotation axis 3, thereby reducing the transportation volume of the practical device. Since the metal arch frame 1 is arched, when the sliding arc rod slides into the metal arch frame 1, the rotation and folding angle of the metal arch frame 1 is increased, thereby further reducing the volume of the practical device, which is convenient for its transportation and storage.

[0026] Working principle of the utility model: the utility model is a prefabricated block installation device for the upper part of the arch protection, by setting two metal arch frames 1, the two metal arch frames 1 rotate relatively around the rotating shaft 3 between them, so that the size of the practical device can be changed, which is convenient for setting at a designated position and storing and transporting; the arc positioning plate 4 is arranged on the surface of the metal arch frame 1 on one side, so that the metal arch frames 1 on both sides can be unfolded into a complete arch, and the rotation is not in place to cause skew; at the same time, the positioning plate 4 reinforces and protects the connection between the two metal arch frames 1 to avoid the impact causing the two metal arch frames 1 to rotate relative to each other; by setting a sliding arc rod 6, a connecting plate 7 is arranged on one side of the sliding arc rod 6, and by moving the connecting plate 7, the sliding arc rod 6 is driven to extend and retract in the metal arch frame 1, so that the arch of the practical device can be extended; and the length of the metal arch frame 1 is reduced, and it can be folded into a smaller volume when folded for easy transportation and storage; at the same time, the bottom surface of the connecting plate 7 is coplanar with the bottom surface of the metal arch frame 1, and after the sliding arc rod 6 is extended, the connecting plate 7 can play a certain supporting role.

[0027] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A prefabricated block installation device for the upper part of an arched protection, characterized in that: The invention comprises two metal arch frames (1), each of which is in the shape of an arc, and is rotatably arranged between the two metal arch frames (1) via a rotating shaft (3); a positioning plate (4) is arranged on the outer surface of one of the metal arch frames (1); a sliding groove (5) is provided at one end of the metal arch frame (1) away from the rotating shaft (3), and a sliding arc rod (6) is slidably arranged in the sliding groove (5).

2. A prefabricated block installation device for helping to protect the upper part of an arch according to claim 1, characterized in that: Each metal arch frame (1) is configured as a double-layered structure, and a plurality of connecting rods (2) are provided between the double-layered metal arch frames (1).

3. A prefabricated block installation device for helping to protect the upper part of an arch according to claim 2, characterized in that: A plurality of connecting rods (2) are arranged along the vertical direction.

4. A prefabricated block installation device for helping to protect the upper part of an arch according to claim 3, characterized in that: The connecting rods (2) are arranged in an array with equal distances between them.

5. The prefabricated block installation device for helping to protect the upper part of the arch according to claim 1, characterized in that: A connecting plate (7) is provided at one end of the sliding circular arc rod (6), and the upper and lower surfaces of the connecting plate (7) are coplanar with the upper and lower surfaces of the metal arch frame (1).

6. A prefabricated block installation device for helping to protect the upper part of an arch according to claim 1, characterized in that: The positioning plate (4) is in the shape of an arc, and the arc curvature of the positioning plate (4) is the same as the curvature of the metal arch frame (1).

7. A prefabricated block installation device for helping to protect the upper part of an arch according to claim 1, characterized in that: One end of the positioning plate (4) extends out from the connected metal arch frame (1).

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