Large-section high-speed rail tunnel charging device
By using a depth measuring rod, a clamp, and a handle in a large-section high-speed railway tunnel charging device, combined with a semi-circular tube, a rope hole, and a rope to fix the explosive cartridge, the problem of charging position error was solved, and the blasting effect was improved.
Patent Information
- Application Number
- CN202423321784.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing technologies, when loading explosives into large-section high-speed railway tunnels, there is a significant error between the actual position of the explosives and the preset position, which affects the blasting effect.
The charging device includes a borehole, a semi-circular tube, a charge cartridge, and a detonating cord. The accurate positioning of the charge cartridge is ensured by the cooperation of a depth measuring rod, a clamp, and a handle. The charge cartridge is fixed by the semi-circular tube, a rope hole, and a rope to prevent displacement. The presence time of the explosive gas is extended by perforating the detonating cord and plugging the borehole mud.
It achieves accurate positioning and fixation of explosives, improves blasting effect, ensures that explosives effectively resist the line at the preset position, and reduces errors in the loading process.
Smart Images

Figure CN223610711U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel blasting technical field, concretely is big section high -speed railway tunnel charging device. BACKGROUND
[0002] With the rapid development of social economy, high -speed railway plays a more and more important role in the field of transportation, and high -speed railway has become one of the most popular long -distance travel choices as an efficient, fast, safe and environmental protection traffic tool, when building high -speed railway, when encountering elevation obstacles such as watershed, peak, hilly area that are difficult to cross, or plane obstacles such as river, lake, town that are difficult to avoid, building tunnel is an effective method to overcome these obstacles, tunnel can make the line directly through the mountain, reduce the elevation of the line, slow down the slope, shorten the line length, thereby improving the transportation capacity and reducing the transportation cost.
[0003] Tunnel can be rapidly expanded or connected in a short time by adopting blasting technology in the construction process, especially in hard rock or soft soil area, the efficiency of blasting is more remarkable, in order to meet the operation demand of high -speed railway and provide more space for evacuation and rescue in emergency, high -speed railway tunnel usually has a larger section, and deep hole blasting is often adopted in big section tunnel blasting, when deep hole charging is carried out, the existing mode is to directly push the blasting agent into the deep hole according to the feeling of the charging person, which is easy to cause a larger error between the actual position of the blasting agent and the preset position, and then affect the blasting effect. UTILITARIAN CONTENT
[0004] The utility model aims at providing big section high -speed railway tunnel charging device to solve the problems in the above -mentioned background art.
[0005] In order to achieve the above -mentioned purpose, the utility model provides the following technical scheme:
[0006] Big section high -speed railway tunnel charging device, including blast hole, semicircular pipe, cartridge and detonating tube, the blast hole is provided with semicircular pipe, a plurality of cartridges are arranged at intervals in the semicircular pipe, a plurality of cartridges are connected through detonating tube, the both sides of semicircular pipe are provided with rope -passing holes at equal intervals, the rope -passing holes are provided with a wire rope, the both ends of wire rope are bound to semicircular pipe, the cartridge is fixed in semicircular pipe through wire rope, the rear part of semicircular pipe is provided with depth measuring rod, one end of depth measuring rod is installed with the clamping seat, the clamping seat is arranged at the rear end of semicircular pipe, the surface of depth measuring rod is provided with scale line.
[0007] As a further scheme of the utility model: the blast hole entrance is provided with the stemming.
[0008] As a further scheme of the utility model: the rope -passing holes are correspondingly arranged on the both sides of semicircular pipe, and the interval between the adjacent two rope -passing holes is 2-3cm.
[0009] As a further scheme of the utility model: the rear end face of the semicircular pipe is provided with a detonation tube perforation for facilitating the detonation tube to pass through.
[0010] As a further scheme of the utility model: the rear end of the depth measuring rod is provided with a handle.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The depth measuring rod, the clamping seat and the handle are cooperated, the charging depth can be adjusted by the charging personnel, the blasting agent can accurately reach the preset position, the effective resistance line can be overcome when the explosive is blasted, and the blasting effect is better.
[0013] 2、The semicircular pipe, the rope passing hole and the wire rope are cooperated, the position of each cartridge in the semicircular pipe can be fixed, the cartridge is prevented from being displaced in the charging process, the blasting agent is prevented from being unevenly distributed in the blast hole, and the blasting effect is affected. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the charging device for the large-section high-speed rail tunnel in use.
[0015] Figure 2 It is a structure schematic view of the charging device for the large-section high-speed rail tunnel after use.
[0016] Figure 3 It is a first partial structure schematic view of the charging device for the large-section high-speed rail tunnel.
[0017] Figure 4 It is a second partial structure schematic view of the charging device for the large-section high-speed rail tunnel.
[0018] 1, blast hole; 2, semicircular pipe; 3, cartridge; 4, detonation tube; 5, rope passing hole; 6, wire rope; 7, detonation tube perforation; 8, depth measuring rod; 9, clamping seat; 10, handle; 11, scale line; 12, stemming. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1-3The utility model discloses a big section high -speed railway tunnel charging device, including blast hole 1, semicircle pipe 2, cartridge 3 and leaded tube 4, the blast hole 1 is provided with semicircle pipe 2, and the semicircle pipe 2 is provided with multiple cartridge 3 at intervals, and the cartridge 3 is connected through leaded tube 4, and the both sides of semicircle pipe 2 are provided with rope hole 5 at equal intervals, and the rope hole 5 is provided with wire rope 6, and the both ends of wire rope 6 are bound to semicircle pipe 2, and cartridge 3 is fixed in semicircle pipe 2 through wire rope 6, and through the cooperation of semicircle pipe 2, rope hole 5 and wire rope 6, the position of each cartridge 3 in semicircle pipe 2 can be fixed, cartridge displacement in the charging process is prevented, and then uneven distribution of blasting agent in blast hole 1 leads to the influence of blasting effect;
[0021] Rope hole 5 is provided on the both sides of semicircle pipe 2, and the interval between the adjacent two rope holes 5 is 2-3cm, and the design can make wire rope 6 better bind cartridge tightly;
[0022] The rear end surface of semicircle pipe 2 is provided with leaded tube perforation 7 for the leaded tube 4 to pass through, and the leaded tube perforation 7 can conveniently lead the leaded tube 4 out of blast hole 1, and the blasting personnel can be conveniently detonated in the safe area.
[0023] Please refer to Figure 1 、 Figure 3 And Figure 4 , the rear part of semicircle pipe 2 is provided with depth measuring rod 8, one end of depth measuring rod 8 is installed with clamping seat 9, clamping seat 9 is arranged at the rear end of semicircle pipe 2, and the surface of depth measuring rod 8 is provided with scale line 11;
[0024] The rear end of depth measuring rod 8 is installed with handle 10, and handle 10 can conveniently control depth measuring rod 8 to insert into blast hole 1 and pull out from blast hole 1, and through the cooperation of depth measuring rod 8, clamping seat 9 and handle 10, the charging depth can be conveniently adjusted by the charging personnel, so that the blasting agent can accurately reach the preset position, the explosive can overcome the effective resistance line when blasting, and the blasting effect is better.
[0025] Please refer to Figure 2 , the inlet of blast hole 1 is provided with stemming 12, and the existence time of explosive gas in blast hole 1 can be prolonged by the setting of stemming 12.
[0026] The working principle of the utility model is:
[0027] In use, first, the medicine roll 3 is placed into the semicircular tube 2, the lead 4 connected with the medicine roll 3 extends to the outside of the blast hole 1 through the lead 4 perforation, then the lead 4 is tied up through the wire rope 6, then the semicircular tube 2 is placed into the blast hole 1, then the depth measuring rod 8 is inserted into the blast hole 1 by hand, and the clamp seat 9 at the end of the depth measuring rod 8 is clamped on the rear end of the semicircular tube 2, then the semicircular tube 2 is continuously moved into the blast hole 1 by the depth measuring rod 8, the scale line 11 on the depth measuring rod 8 is observed during the moving process, the insertion depth of the semicircular tube 2 is obtained, when reaching the preset position, the clamp seat 9 is moved upward by the depth measuring rod 8, so that the clamp seat 9 is separated from the semicircular tube 2, after the depth measuring rod 8 is taken out from the blast hole 1, the blast hole 1 is blocked by the stemming 12, then the charging is completed.
[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A large cross-section high-speed rail tunnel charging device, comprising a blast hole (1), a semicircular tube (2), a cartridge (3) and a detonating tube (4), characterized in that: The blast hole (1) is provided with a semicircular tube (2), a plurality of cartridges (3) are arranged in the semicircular tube (2) at intervals, a number of the cartridges (3) are connected through a detonating tube (4), a rope passing hole (5) is arranged at equal intervals on both sides of the semicircular tube (2), a wire rope (6) is arranged in the rope passing hole (5), both ends of the wire rope (6) are bound to the semicircular tube (2), the cartridge (3) is fixed in the semicircular tube (2) through the wire rope (6), a depth measuring rod (8) is arranged at the rear of the semicircular tube (2), a clamping seat (9) is arranged at one end of the depth measuring rod (8), the clamping seat (9) is arranged at the rear end of the semicircular tube (2), and a scale line (11) is arranged on the surface of the depth measuring rod (8).
2. The large cross-section high-speed rail tunnel charging device according to claim 1, characterized in that: The entrance of the blast hole (1) is provided with a stemming (12).
3. The large cross-section high-speed rail tunnel charging device according to claim 1, characterized in that: The rope passing holes (5) are arranged on both sides of the semicircular tube (2) one by one in a one-to-one correspondence, and the interval between the adjacent two rope passing holes (5) is 2-3 cm.
4. The large cross-section high-speed rail tunnel charging device according to claim 1, characterized in that: A detonating tube perforation (7) through which the detonating tube (4) passes is arranged on the rear end surface of the semicircular tube (2).
5. The large cross-section high-speed rail tunnel charging device according to claim 1, characterized in that: A handle (10) is arranged at the rear end of the depth measuring rod (8).