Charging device for tunnel smooth blasting

Abstract

The utility model discloses a tunnel smooth blasting charging device which comprises a frame, a top plate, a charging assembly and an adjusting assembly, at least one straight barrel is arranged on the frame, a guide rod is movably inserted into the straight barrel, the top plate is fixedly connected to the top of the guide rod, a sliding way and a first electric cylinder body are arranged on the top plate, and the sliding way is used for containing explosives. A movable rod of the first electric cylinder body is connected with a pushing piece through a connecting rod, the pushing piece is located in the sliding way, the explosive loading assembly comprises a truss and a second electric cylinder body which are installed on the top plate, the truss is connected with a storage barrel through a movable part, a movable rod of the second electric cylinder body is connected with a pushing plug, and the second electric cylinder body can drive the pushing plug to extend towards an inner cavity of the storage barrel. The adjusting assembly is used for adjusting the storage cylinder to transversely align to the push plug or the slideway; manual charging is not needed, the charging efficiency is effectively improved, the charging depth can be controlled according to needs, and when multiple sets of explosives are charged, the distance between the explosives in the smooth blasting hole is controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel blasting, in particular to a charging device for smooth blasting of tunnels. Background Technique

[0002] Compared with the ordinary blasting method, smooth blasting of tunnels has the following advantages: reducing overbreak; regular shaping after blasting, improving the contour quality; little or no blasting cracks generated in the surrounding rock after blasting, less support work and material consumption; accelerating the tunneling speed, reducing costs and ensuring construction safety.

[0003] After the smooth blasting holes are drilled on the excavation contour line, the smooth blasting holes need to be charged. Traditionally, explosives are manually loaded into the smooth blasting holes, with low overall efficiency and difficulty in controlling the charging depth. Therefore, the utility model proposes a charging device for smooth blasting of tunnels that can solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a charging device for smooth blasting of tunnels to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: A charging device for smooth blasting of tunnels, comprising:

[0006] A frame, on which at least one straight cylinder is provided, and a guide rod is movably inserted into the straight cylinder;

[0007] A top plate, fixedly connected to the top of the guide rod, on which a slideway and a first electric cylinder body are provided. The slideway is used for placing explosives, and the movable rod of the first electric cylinder body is connected with a push plate through a connecting rod, and the push plate is located in the slideway;

[0008] A charging assembly, including a truss and a second electric cylinder body installed on the top plate. The truss is connected with a storage cylinder through a movable part, the movable rod of the second electric cylinder body is connected with a push plug, and the second electric cylinder body can drive the push plug to extend into the inner cavity of the storage cylinder;

[0009] An adjusting assembly, used to adjust the storage cylinder to be horizontally aligned with the push plug or the slideway.

[0010] As a preferred technical solution, a moving wheel set is installed at the bottom of the frame.

[0011] As a preferred technical solution, a plurality of movable rods are provided on the top plate, and the plurality of movable rods movably penetrate through the frame.

[0012] As a preferred technical solution, a plurality of adjusting columns are screwed on the straight cylinder, straight grooves are formed on the guide rod, and the plurality of adjusting columns can abut against the inner wall of the straight grooves.

[0013] As a preferred technical solution, the movable part includes a plurality of telescopic rods arranged on the truss. The plurality of telescopic rods are connected to the storage cylinder, and a spring is wound around each telescopic rod.

[0014] As a preferred technical solution, the adjusting assembly includes a third electric cylinder body installed on the truss, and a push block in contact with the outer wall of the storage cylinder is connected to the output end of the third electric cylinder body.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The explosive is placed on the slideway as the preparatory material filled in the storage cylinder. When the storage cylinder is horizontally aligned with the slideway, the connecting rod is driven by the first electric cylinder body to drive the push plate to be pushed into the storage cylinder for accommodation; when the storage cylinder is horizontally aligned with the plug, the storage cylinder is docked with the smooth blasting hole, and the plug is driven by the second electric cylinder body to extend into the inner cavity of the storage cylinder, and the explosive accommodated in the storage cylinder is loaded into the smooth blasting hole. There is no need for manual charging, which effectively improves the charging efficiency, and the charging depth can be controlled as needed. When loading multiple groups of explosives, the distance between the explosives in the smooth blasting hole can be controlled. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 It is a schematic diagram of the connection relationship between the top plate and the frame of the present utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the charging assembly of the present utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the movable part and the adjusting assembly of the present utility model;

[0021] In the figure: 10, frame; 11, straight cylinder; 111, adjusting column; 12, guide rod; 121, straight groove; 13, movable rod; 14, moving wheel set; 20, top plate; 21, slideway; 22, first electric cylinder body; 221, connecting rod; 222, push plate; 30, charging assembly; 31, truss; 32, second electric cylinder body; 321, plug; 33, movable part; 331, telescopic rod; 332, spring; 34, storage cylinder; 40, third electric cylinder body; 401, push block. Detailed Embodiments

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-4 , and a charging device for smooth blasting in tunnels is provided, aiming to solve the problems that when manually loading explosives into smooth blasting holes in the traditional way, the overall efficiency is relatively low and it is difficult to control the depth of mechanical charging. The specific embodiments are as follows:

[0024] Embodiment 1

[0025] A straight cylinder 11 is provided on the frame 10, a guide rod 12 is movably inserted into the straight cylinder 11, and the top plate 20 is fixedly connected to the top of the guide rod 12. The height of the top plate 20 can be adjusted according to the depth of the guide rod 12 on the straight cylinder 11.

[0026] A slideway 21 and a first electric cylinder body 22 are provided on the top plate 20. The charging assembly 30 includes a truss 31 and a second electric cylinder body 32 installed on the top plate 20. The truss 31 is connected with a storage cylinder 34 through a movable part 33. The slideway 21 is used to place explosives. When charging, the explosives are placed on the slideway 21 as the preparatory materials to be filled into the storage cylinder 34.

[0027] The adjusting assembly is used to adjust the storage cylinder 34 to be horizontally aligned with the push plug 321 or the slideway 21. The movable rod 13 of the first electric cylinder body 22 is connected with a push plate 222 through a connecting rod 221. The push plate 222 is located in the slideway 21. When the storage cylinder 34 is horizontally aligned with the slideway 21, the first electric cylinder body 22 drives the connecting rod 221 to drive the push plate 222 to be pushed into the storage cylinder 34 for accommodation.

[0028] The movable rod 13 of the second electric cylinder body 32 is connected with a push plug 321. The second electric cylinder body 32 can drive the push plug 321 to extend into the inner cavity of the storage cylinder 34. When the storage cylinder 34 is horizontally aligned with the push plug 321, the storage cylinder 34 is butted against the smooth blasting hole. At this time, the second electric cylinder body 32 drives the push plug 321 to extend into the inner cavity of the storage cylinder 34, and the explosives accommodated in the storage cylinder 34 are loaded into the smooth blasting hole. There is no need for manual charging, effectively improving the charging efficiency, and the charging depth can be controlled as needed. When loading multiple groups of explosives, the distance between the explosives in the smooth blasting hole can be controlled.

[0029] Embodiment 2

[0030] A moving wheel set 14 is installed at the bottom of the frame 10. The frame 10 is moved through the moving wheel set 14. Thus, the smooth blasting holes at different positions can be adapted.

[0031] A plurality of movable rods 13 are provided on the top plate 20. The plurality of movable rods 13 are movably inserted through the frame 10. A plurality of adjusting columns 111 are screwed on the straight cylinder 11. Straight grooves 121 are formed on the guide rod 12. The plurality of adjusting columns 111 can abut against the inner wall of the straight groove 121. When adjusting the height of the top plate 20, after rotating the plurality of adjusting columns 111 to cancel the abutment against the inner wall of the straight groove 121, the top plate 20 can move upward or downward. After the adjustment is completed, rotate the plurality of adjusting columns 111 to abut against the inner wall of the straight groove 121 to maintain the stability of the top plate 20.

[0032] Embodiment III

[0033] The movable part 33 includes a plurality of telescopic rods 331 provided on the truss 31. The plurality of telescopic rods 331 are connected to the storage cylinder 34, and a spring 332 is wound around each telescopic rod 331. The adjusting assembly includes a third electric cylinder body 40 installed on the truss 31. The output end of the third electric cylinder body 40 is connected with a push block 401 that contacts the outer wall of the storage cylinder 34.

[0034] By driving the push block 401 to move through the third electric cylinder body 40, the push block 401 can push the storage cylinder 34 to stretch the telescopic rods 331 and the springs 332 to align with the slideway 21. When the push block 401 resets, under the elastic force of the spring 332, the storage cylinder 34 can be pulled back to align with the push plug 321.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A charging device for smooth blasting of a tunnel, characterized in that: include: A frame (10) is provided with at least one straight cylinder (11), wherein the straight cylinder (11) is movably connected with a guide rod (12); A top plate (20) is fixedly connected to the top of the guide rod (12). A slideway (21) and a first electric cylinder body (22) are arranged on the top plate (20). The slideway (21) is used to place explosives. The movable rod (13) of the first electric cylinder body (22) is connected to a push piece (222) via a connecting rod (221). The push piece (222) is located in the slideway (21). A charge assembly (30) comprises a truss (31) and a second electric cylinder body (32) mounted on the top plate (20); the truss (31) is connected to a storage barrel (34) via a movable portion (33); a movable rod (13) of the second electric cylinder body (32) is connected to a push plug (321); and the second electric cylinder body (32) can drive the push plug (321) to extend toward the inner cavity of the storage barrel (34); The adjusting assembly is used to adjust the storage tube (34) to be laterally aligned with the push plug (321) or the slideway (21).

2. A charging device for tunnel smooth blasting according to claim 1, characterized in that: A moving wheel set (14) is installed at the bottom of the frame (10).

3. The charging device for tunnel smooth blasting according to claim 1, characterized in that: A plurality of movable rods (13) are arranged on the top plate (20), and the plurality of movable rods (13) are movably inserted through the frame (10).

4. The charging device for tunnel smooth blasting according to claim 1, characterized in that: A plurality of adjusting columns (111) are screwed onto the straight cylinder (11), a straight groove (121) is provided on the guide rod (12), and the plurality of adjusting columns (111) can abut against the inner wall of the straight groove (121).

5. The charging device for tunnel smooth blasting according to claim 1, characterized in that: The movable part (33) comprises a plurality of telescopic rods (331) arranged on the truss (31), the plurality of telescopic rods (331) are connected to the storage tube (34), and a spring (332) is wound around each of the telescopic rods (331).

6. The charging device for tunnel smooth blasting according to claim 5, characterized in that: The adjustment assembly comprises a third electric cylinder body (40) mounted on the truss (31), and an output end of the third electric cylinder body (40) is connected to a push block (401) in contact with an outer wall of the storage barrel (34).

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