Charging device for rock blasting
By using airbag components and support mechanisms in rock blasting charging devices, combined with stirring components, the problems of device tipping over and explosive accumulation under wind force were solved, achieving stable charging and efficient blasting.
Patent Information
- Application Number
- CN202520672859.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Existing rock blasting charging devices are prone to tipping over under wind force, and explosives are easily wasted during the charging process, affecting the blasting quality.
The device employs a charging system, including a charging hopper, an airbag assembly, a support mechanism, and a stirring assembly. The airbag assembly is pressed against the inner wall of the blast hole, and multiple sets of auxiliary support assemblies and counterweights are used to improve stability. The stirring assembly prevents the accumulation of explosives.
It improves the stability of the charging device, prevents tipping, ensures smooth discharge of the explosives, and enhances the quality of blasting.
Smart Images

Figure CN223755905U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of rock blasting, especially to a charging device for rock blasting. BACKGROUND
[0002] A large amount of broken stones produced in open blasting construction can easily fall into the blast hole and cause hole blocking, which affects the blasting quality. In addition, during the charging operation, the explosive can be wasted at the blast hole due to mistakes.
[0003] The Chinese utility model patent file with the publication number CN203274602U discloses a blast hole charging auxiliary device, which comprises a funnel for charging. A plurality of elastic fixing sheets are evenly arranged downward around the lower end of the funnel. A stripe-shaped protrusion is arranged on the outer surface of the fixing sheet. When the device is used to fill the explosive into the blast hole, the fixing sheet is inserted into the blast hole. Since the fixing sheet has a certain elasticity, it will be elastically deformed when it is inserted into the blast hole. At the same time, the stripe-shaped protrusion on the outer surface of the fixing sheet is in close contact with the inner wall of the blast hole.
[0004] The stability of the blast hole charging auxiliary device is low when it is used, and it can easily be tilted under the action of wind. Therefore, the charging device for rock blasting is proposed to solve the above-mentioned problems. SUMMARY
[0005] This part aims to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, the abstract of the specification and the application name to avoid obscuring the purpose of this part, the abstract of the specification and the application name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0006] Therefore, the utility model aims to provide a charging device for rock blasting, which can solve the problem that the existing device is easily tilted under the action of wind.
[0007] The utility model provides a charging device for rock blasting, which adopts the following technical scheme:
[0008] A charging device for rock blasting comprises a charging mechanism, which comprises a charging hopper. An air bag assembly is installed at the lower end of the outer wall of the charging hopper.
[0009] A supporting mechanism comprises a mounting ring, which is fixedly sleeved at the upper end of the outer wall of the charging hopper. The bottom wall of the mounting ring is provided with a plurality of auxiliary supporting assemblies. The top end of each auxiliary supporting assembly is provided with a counterweight frame. The inner cavity of each counterweight frame is provided with a counterweight block.
[0010] By adopting the technical scheme, the existing inflation equipment is used to inflate the air bag assembly and abut against the inner wall of the blasting hole, so that the charging bucket is assisted and supported under the action of multiple sets of auxiliary support assemblies, multiple sets of counterweights are placed in the counterweight frame inner cavity at the corresponding positions, so that the stability of the charging bucket can be improved by gravity under the cooperation of the auxiliary support assemblies, and the charging bucket is not easy to be blown down by the wind.
[0011] Optionally, the auxiliary support assembly comprises a second horizontal plate, the second horizontal plate is arranged on the bottom wall of the mounting ring, the bottom wall of the second horizontal plate is obliquely provided with an inclined plate, the bottom end of the inclined plate is fixedly provided with a first horizontal plate, and the bottom wall of the first horizontal plate is uniformly fixedly provided with a plurality of anti-skid strips.
[0012] Optionally, the bottom wall of the mounting ring is provided with a plurality of threaded holes, and the top wall of the second horizontal plate is provided with bolts penetrating through the second horizontal plate and threadedly matched with the threaded holes.
[0013] By adopting the technical scheme, the bolts are reversely screwed to separate each other from the threaded holes, so that the auxiliary support assembly, the counterweight and the counterweight frame can be conveniently disassembled and replaced.
[0014] Optionally, the air bag assembly comprises an air bag body, the air bag body is fixed at the lower end position of the outer wall of the charging bucket, the top end of the air bag body is connected with an air pipe, and the top end of the air pipe is provided with an air nozzle valve.
[0015] By adopting the technical scheme, the existing inflation equipment is connected with the air nozzle valve, so that the air bag body can be inflated by the air nozzle valve and the air pipe, and the air bag body gradually expands and abuts against the inner wall of the blasting hole.
[0016] Optionally, one end of the top wall of the mounting ring is provided with a mounting plate, and the top wall of the mounting plate is rotatably connected with an agitating assembly through a bearing.
[0017] Optionally, the agitating assembly comprises an agitating shaft, the agitating shaft is rotatably connected to the top wall of the mounting plate through a bearing, the top end of the agitating shaft is provided with a rotating handle, the outer wall of the agitating shaft is uniformly fixedly provided with a plurality of agitating rods, and the bottom end of the agitating shaft is provided with an agitating paddle.
[0018] By adopting the technical scheme, the rotating handle drives the agitating shaft and the agitating paddle to rotate synchronously, and the agitating shaft can drive a plurality of agitating rods to rotate synchronously, so that the blasting medicine in the inner cavity of the charging bucket can be agitated, and the blasting medicine cannot be discharged due to mutual stacking.
[0019] Optionally, the top end of the counterweight is provided with a handle.
[0020] By adopting the technical scheme, the handle is used to conveniently move the position of the counterweight.
[0021] In summary, the utility model has at least one of the following beneficial effects:
[0022] The inflation device of the prior art is started and the air bag body is inflated through the air nozzle valve and the air pipe, so that the air bag body gradually expands and abuts against the inner wall of the blasting hole, a plurality of counterweight blocks are placed in the counterweight frame inner cavity at the corresponding positions, and the plurality of second transverse plates, inclined plates and first transverse plates play a role in assisting the support of the charging hopper, so that the stability of the charging hopper is improved and the charging hopper is not easy to be blown down by the wind.
[0023] The twisting handle drives the stirring shaft and the stirring paddle to rotate synchronously, and the plurality of stirring rods can be driven to rotate synchronously under the action of the stirring shaft, so that the blasting medicine in the inner cavity of the charging hopper can be stirred, and the blasting medicine cannot be accumulated and discharged. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.
[0025] Figure 1 It is a front view of the structure of the utility model;
[0026] Figure 2 It is a front view of the structure of the charging mechanism of the utility model;
[0027] Figure 3 It is a front view of the structure of the support mechanism of the utility model;
[0028] Figure 4 It is a top view of the structure of the utility model;
[0029] Figure 5 It is a front view of the structure of the stirring assembly of the utility model.
[0030] The reference signs are explained as follows: 100, charging mechanism; 101, charging hopper; 102, air bag assembly; 1021, air nozzle valve; 1022, air pipe; 1023, air bag body; 200, support mechanism; 201, counterweight frame; 202, counterweight block; 203, auxiliary support assembly; 2031, anti-skid strip; 2032, first transverse plate; 2033, inclined plate; 2034, second transverse plate; 204, bolt; 205, stirring assembly; 2051, handle; 2052, stirring shaft; 2053, stirring rod; 2054, stirring paddle; 206, mounting plate; 207, mounting ring; 2071, threaded hole. DETAILED DESCRIPTION
[0031] The utility model is further explained in detail below. Figures 1-5 The utility model is further explained in detail below.
[0032] Embodiment one, please refer to the drawing in the specification Figure 1 And 2 A charging device for rock blasting, comprising a charging mechanism 100, the charging mechanism 100 comprises a charging hopper 101, the upper and lower ends of the charging hopper 101 are provided as open, a gasbag assembly 102 is installed at the lower end position of the outer wall of the charging hopper 101, the gasbag assembly 102 comprises a gasbag body 1023, the gasbag body 1023 is fixed at the lower end position of the outer wall of the charging hopper 101, a gas pipe 1022 is connected to the top end of the gasbag body 1023, and a gas nozzle valve 1021 is installed at the top end of the gas pipe 1022.
[0033] Embodiment one, please refer to the drawing in the specification Figure 1 、 3 And 4, a supporting mechanism 200, comprising a mounting ring 207, the mounting ring 207 is fixedly sleeved at the upper end position of the outer wall of the charging hopper 101, a plurality of auxiliary supporting assemblies 203 are arranged on the bottom wall of the mounting ring 207, the auxiliary supporting assembly 203 comprises a second transverse plate 2034, the second transverse plate 2034 is arranged on the bottom wall of the mounting ring 207, an inclined plate 2033 is obliquely arranged on the bottom wall of the second transverse plate 2034, a first transverse plate 2032 is fixed at the bottom end position of the inclined plate 2033, a plurality of anti-skid strips 2031 are uniformly fixed on the bottom wall of the first transverse plate 2032, a plurality of counterweight frames 201 are installed at the top end of the plurality of auxiliary supporting assemblies 203, the top end of the counterweight frame 201 is provided as open, a plurality of counterweight blocks 202 are arranged in the inner cavities of the plurality of counterweight frames 201, the counterweight block 202 is a concrete block, and a handle is installed at the top end of the counterweight block 202.
[0034] The specific working principle is that the bottom end of the charging hopper 101 is sleeved in the blasting hole, the existing inflation equipment is connected with the gas nozzle valve 1021, so that the gas nozzle valve 1021 and the gas pipe 1022 can be used to inflate the gasbag body 1023, the gasbag body 1023 gradually expands and abuts against the inner wall of the blasting hole, so that the charging hopper 101 is supported under the action of the plurality of second transverse plates 2034, inclined plates 2033 and first transverse plates 2032, and the plurality of counterweight blocks 202 are placed in the inner cavities of the counterweight frames 201 at the corresponding positions, so that the stability of the charging hopper 101 can be improved by gravity under the cooperation of the anti-skid strips 2031, and the charging hopper 101 is not easy to be blown down by the wind.
[0035] After the charging hopper 101 is placed, an appropriate amount of blasting medicine is poured into the inner cavity of the charging hopper 101 through the opening at the top of the charging hopper 101 and enters the blasting hole.
[0036] Embodiment two, please refer to the drawing in the specificationFigure 3 A charging device for rock blasting, comprising a bottom wall of a mounting ring 207, a plurality of threaded holes 2071 are arranged on the bottom wall of the mounting ring 207, and a second horizontal plate 2034 is provided with a bolt 204 penetrating the second horizontal plate 2034 and being threadedly matched with the threaded hole 2071.
[0037] Specific working principle is: the reverse screwing of the bolt 204 makes it separate from the threaded hole 2071, facilitating the disassembly and replacement of the auxiliary support assembly 203, the counterweight block 202 and the counterweight frame 201.
[0038] Embodiment three, please refer to the description of the drawings Figure 3 、 4 and 5, a charging device for rock blasting, further comprising a mounting plate 206 mounted on one end of the top wall of the mounting ring 207, the longitudinal section of the mounting plate 206 is arranged in an L shape, and the mounting plate 206 is rotatably connected with an agitating assembly 205 through a bearing on the top wall of the mounting plate 206. The agitating assembly 205 comprises an agitating shaft 2052, the agitating shaft 2052 is rotatably connected with the top wall of the mounting plate 206 through a bearing, a handle 2051 is mounted on the top end of the agitating shaft 2052, a plurality of agitating rods 2053 are uniformly fixed on the outer wall of the upper end of the agitating shaft 2052, and an agitating paddle 2054 is mounted on the bottom end of the agitating shaft 2052.
[0039] Specific working principle is: during the charging process, the handle 2051 is screwed to drive the agitating shaft 2052 and the agitating paddle 2054 to rotate synchronously, and under the action of the agitating shaft 2052, the plurality of agitating rods 2053 can be driven to rotate synchronously, so that the blasting drugs in the inner cavity of the charging hopper 101 can be agitated, and the mutual accumulation of the blasting drugs can be avoided.
[0040] The standard parts used in the utility model document can be purchased from the market, and the components in the utility model document can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0041] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model shall be covered within the protection scope of the utility model.
Claims
1. A charging device for rock blasting, characterized in that: include, The loading mechanism (100) includes a loading hopper (101), and an airbag assembly (102) is installed at the lower end of the outer wall of the loading hopper (101). The support mechanism (200) includes a mounting ring (207) which is fixedly sleeved on the upper end of the outer wall of the charging hopper (101). The bottom wall of the mounting ring (207) is provided with multiple sets of auxiliary support components (203). The top of each set of auxiliary support components (203) is equipped with a counterweight frame (201), and the inner cavity of each set of counterweight frames (201) is provided with a counterweight block (202).
2. The charging device for rock blasting according to claim 1, characterized in that: The auxiliary support assembly (203) includes a second horizontal plate (2034), which is disposed on the bottom wall of the mounting ring (207). An inclined plate (2033) is installed on the bottom wall of the second horizontal plate (2034). A first horizontal plate (2032) is fixed at the bottom end of the inclined plate (2033). Multiple sets of anti-slip strips (2031) are evenly fixed at the bottom wall of the first horizontal plate (2032).
3. A charging device for rock blasting according to claim 2, characterized in that: The bottom wall of the mounting ring (207) has multiple sets of threaded holes (2071), and the top wall of the second horizontal plate (2034) is provided with bolts (204) that penetrate the second horizontal plate (2034) and are threadedly matched with the threaded holes (2071).
4. A charging device for rock blasting according to claim 1, characterized in that: The airbag assembly (102) includes an airbag body (1023), which is fixed at the lower end of the outer wall of the medicine hopper (101). An air tube (1022) is connected to the top of the airbag body (1023), and an air valve (1021) is installed at the top of the air tube (1022).
5. A charging device for rock blasting according to claim 1, characterized in that: An installation plate (206) is installed at one end of the top wall of the installation ring (207), and an agitator (205) is rotatably connected to the top wall of the installation plate (206) via a bearing.
6. A charging device for rock blasting according to claim 5, characterized in that: The stirring assembly (205) includes a stirring shaft (2052), which is rotatably connected to the top wall of the mounting plate (206) via bearings. A handle (2051) is installed at the top of the stirring shaft (2052), and multiple sets of stirring rods (2053) are evenly fixed to the upper end of the outer wall of the stirring shaft (2052). A stirring paddle (2054) is installed at the bottom of the stirring shaft (2052).
7. A charging device for rock blasting according to claim 1, characterized in that: A handle is installed at the top of the counterweight (202).
Citation Information
Patent Citations
Blast hole powder charge auxiliary device
CN203274602U