Lifting type tunnel charging and steel arch mounting rack

Abstract

The utility model relates to the technical field of tunnel racks, and discloses a lifting type tunnel charging and steel arch mounting rack which comprises a main support, pulleys are fixedly mounted on the outer surface of the lower end of the main support, a climbing ladder is fixedly mounted on the outer surface of the front end of the main support, and two sets of platforms are mounted at the upper end of the main support. A supporting net rack is placed on the outer surface of the upper end of the platform, extending tables are fixedly installed on the two sides of the main support, and supporting baffles are fixedly connected to the inner side of the main support and located on the outer surface of the lower end of the platform. The hydraulic rod is driven by the driving device to extend downwards, then the lifting frame can be driven by the hydraulic rod to move downwards, a worker standing on the lifting frame can reach an area needing to be drilled, the worker can conveniently conduct drilling operation on the area, and the drilling efficiency and the hole standardization are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel scaffolds, in particular to a lifting scaffold for tunnel charge loading and steel arch installation. Background Technique

[0002] During the tunnel excavation process, workers are required to drill holes in the inner wall of the tunnel for filling explosives, and for each section of length excavated, an initial support layer needs to be made for the same length. When installing the steel arch on the top of the initial support layer, due to its high installation height, a scaffold is required to assist in the installation.

[0003] However, it still has some drawbacks. For example, the distance between the first layer of the scaffold and the ground and the distance between each layer of the scaffold are both about two meters. When workers need to drill holes at positions higher than their own height, they need to tilt the drilling device upward or stand on the upper layer of the scaffold and tilt the drilling device downward to complete the drilling operation. This not only increases the difficulty of drilling but also causes the explosive holes to be inclined, thereby affecting the blasting effect.

[0004] To solve the above problems, a lifting scaffold for tunnel charge loading and steel arch installation is proposed in this application. Content of the Utility Model

[0005] The purpose of the utility model is to provide a lifting scaffold for tunnel charge loading and steel arch installation to solve the problem in the prior art that the scaffold is too high, making it inconvenient for workers to drill holes in the tunnel area higher than themselves.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A lifting scaffold for tunnel charge loading and steel arch installation, including a main support. A pulley is fixedly installed on the lower outer surface of the main support, a climbing ladder is fixedly installed on the front outer surface of the main support, two groups of platforms are installed at the upper end of the main support, a support grid is placed on the upper outer surface of the platform, extension platforms are fixedly installed on both sides of the main support, a support baffle is fixedly connected inside the main support, and the support baffle is located on the lower outer surface of the platform. A lifting device is movably installed inside the extension platform, and the lifting device includes a lifting frame, a hydraulic rod, a driving device, a triangular frame, and a wire mesh.

[0007] Preferably, the hydraulic rod is fixedly installed on one outer surface of the main support.

[0008] Preferably, the lifting frame is fixedly installed on the lower outer surface of the hydraulic rod, and the lifting frame is movably sleeved inside the extension platform.

[0009] Preferably, the driving device is fixedly installed on the outer wall of the hydraulic rod.

[0010] Preferably, the tripod is fixedly installed on the outer surface of the lower end of the lifting frame.

[0011] Preferably, the wire mesh is fixedly installed inside the lifting frame.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] Through the mutual cooperation of the hydraulic rod and the lifting frame provided in the present utility model, the driving device drives the hydraulic rod to extend downward, and then the hydraulic rod drives the lifting frame to move downward, so that the worker standing on the lifting frame can reach the area where drilling needs to be carried out, thus facilitating the worker to carry out drilling operations in this area, effectively improving the drilling efficiency and the standardization of the holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of a lifting platform for tunnel charging and installation of steel arch frames of the present utility model;

[0015] Figure 2 It is a schematic diagram of the structure after the lifting device of a lifting platform for tunnel charging and installation of steel arch frames of the present utility model extends downward;

[0016] Figure 3 It is a schematic diagram of the main structure of the lifting device of a lifting platform for tunnel charging and installation of steel arch frames of the present utility model;

[0017] Figure 4 It is a schematic diagram of the planar structure of a lifting platform for tunnel charging and installation of steel arch frames of the present utility model and the tunnel;

[0018] In the figure: 1, main support; 2, pulley; 3, climbing ladder; 4, platform; 5, support grid; 6, extension platform; 7, support block; 8, lifting device; 9, lifting frame; 10, hydraulic rod; 11, driving device; 12, tripod; 13, wire mesh. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0020] Please refer to Figures 1-4, the present utility model provides a technical solution: a lifting bench for tunnel charging and installation of steel arch frames, including a main support 1. A pulley 2 is fixedly installed on the outer surface of the lower end of the main support 1. A climbing ladder 3 is fixedly installed on the outer surface of the front end of the main support 1. Two sets of platforms 4 are installed at the upper end of the main support 1. A support grid 5 is placed on the outer surface of the upper end of the platform 4. Extension platforms 6 are fixedly installed on both sides of the main support 1. A support baffle 7 is fixedly connected inside the main support 1, and the support baffle 7 is located on the outer surface of the lower end of the platform 4. A lifting device 8 is movably installed inside the extension platform 6. The lifting device 8 includes a lifting frame 9, a hydraulic rod 10, a driving device 11, a tripod 12 and a wire mesh 13. The pulley 2 facilitates the movement of the bench and has a locking function. Support grids 5 can be placed on the upper ends of both the platform 4 and the extension platform 6 for workers to stand on. The support baffle 7 is used to reinforce the bench.

[0021] In this embodiment, as Figure 3 shown, the hydraulic rod 10 is fixedly installed on the outer surface of one side of the main support 1. The hydraulic rod 10 is fixedly connected to the main support 1 through a steel frame. The lifting frame 9 is fixedly installed on the outer surface of the lower end of the hydraulic rod 10, and the lifting frame 9 is movably sleeved inside the extension platform 6. The lifting frame 9 can move up and down inside the extension platform 6. The driving device 11 is fixedly installed on the outer wall of the hydraulic rod 10. The driving device 11 is used to control the telescopic movement of the hydraulic rod 10. The tripod 12 is fixedly installed on the outer surface of the lower end of the lifting frame 9. The tripod 12 is used to reinforce and support the lifting frame 9. The wire mesh 13 is fixedly installed inside the lifting frame 9. The wire mesh 13 facilitates workers to stand inside the lifting frame 9.

[0022] Working principle:

[0023] When using the lifting bench for tunnel charging and installation of steel arch frames, when the position where drilling is required is too high, workers can first reach the upper extension platform 6 higher than the drilling position through the climbing ladder 3, then walk to the lifting device 8 and stand on the wire mesh 13 of the lifting frame 9. Finally, start the hydraulic rod 10, and use the driving device 11 to drive the hydraulic rod 10 to extend downward. Furthermore, the hydraulic rod 10 can be used to drive the lifting frame 9 to move downward, so that the workers standing on the lifting frame 9 can reach the area where drilling is required, thus facilitating the workers to carry out drilling operations in this area, effectively improving the drilling efficiency and the standardization of the holes. Finally, the hydraulic rod 10 can be contracted upward to pull the lifting frame 9 back to the starting position, thus avoiding the lifting frame 9 hanging at the bottom of the extension platform 6 for a long time and affecting the drilling operations of the workers on its lower layer, effectively improving the applicability of the bench.

[0024] Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

Claims

1. A lifting bench for tunnel charging and installation of steel arch frames, comprising a main support (1), characterized in that: A pulley (2) is fixedly installed on the outer surface of the lower end of the main bracket (1). A climbing ladder (3) is fixedly installed on the outer surface of the front end of the main bracket (1). Two groups of platforms (4) are installed at the upper end of the main bracket (1). A support grid (5) is placed on the upper outer surface of the platform (4). Extension platforms (6) are fixedly installed on both sides of the main bracket (1). A support stop (7) is fixedly connected to the inner side of the main bracket (1), and the support stop (7) is located on the lower outer surface of the platform (4). A lifting device (8) is movably installed inside the extension platform (6). The lifting device (8) includes a lifting frame (9), a hydraulic rod (10), a driving device (11), a tripod (12) and a wire mesh (13).

2. The bench for lifting tunnel charging and installing steel arch frames according to claim 1, characterized in that: The hydraulic rod (10) is fixedly installed on the outer surface of one side of the main bracket (1).

3. The gantry for lifting tunnel charging and installing steel arch frames according to claim 1, characterized in that: The lifting frame (9) is fixedly installed on the outer surface of the lower end of the hydraulic rod (10), and the lifting frame (9) is movably sleeved inside the extension platform (6).

4. The bench for lifting tunnel charging and installing steel arch frames according to claim 1, characterized in that: The driving device (11) is fixedly installed on the outer wall of the hydraulic rod (10).

5. The bench for lifting tunnel charging and installing steel arch frames according to claim 1, characterized in that: The tripod (12) is fixedly installed on the outer surface of the lower end of the lifting frame (9).

6. The gantry for lifting tunnel charging and installing steel arch frames according to claim 1, characterized in that: The wire mesh (13) is fixedly installed inside the lifting frame (9).

Images