On-site mixed loading automatic explosive loading device suitable for small-diameter blast hole
By designing an automated on-site mixing and loading device suitable for small-diameter boreholes, a safe and reliable unmanned loading process was achieved by utilizing drive and restraint components. This solved the safety risks in loading small-diameter boreholes and ensured the stability and safety of the loading process.
Patent Information
- Application Number
- CN202422692970.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-05
AI Technical Summary
There is a lack of safe and reliable loading devices in the existing technology for loading small-diameter blast holes, especially posing safety risks under unmanned operation conditions.
An automated on-site mixing and loading device suitable for small-diameter blast holes was designed, including a loading rod head, a moving part, a drive assembly, and a limiting assembly. The loading rod head is inserted into the blast hole mechanically, the vertical movement of the moving part is controlled by the drive assembly, and the movement range is limited by the limiting assembly, so as to achieve unmanned operation and safe and reliable loading.
It achieves safe and reliable unmanned operation for filling, reduces external interference, and can maintain the stability and safety of the filling process for a long time.
Smart Images

Figure CN223500284U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mixed-charge equipment technology, and in particular to an automatic on-site mixed-charge device suitable for small-diameter boreholes. Background Technology
[0002] In the current method, the definition of a small-diameter borehole is that the borehole diameter is less than 50mm and the borehole length is less than 5m. Since the explosives involved in the loading are mainly emulsion explosives, there are safety risks in the construction process due to repetitive construction and long-term construction. In particular, it is extremely necessary to design a loading device with unmanned operation in the loading of small-diameter boreholes. Utility Model Content
[0003] This invention aims to solve the technical problem of the lack of a safe and reliable loading device for small-diameter blast holes in the prior art, and provides an automatic on-site mixing and loading device suitable for small-diameter blast holes.
[0004] To solve the above-mentioned technical problems, the specific technical solution of this utility model is as follows:
[0005] An automatic on-site mixing and charging device suitable for small-diameter blast holes, characterized in that it comprises:
[0006] The loading rod head has a loading passage and a loading circuit. After the loading rod head is aligned and enters the borehole, it delivers emulsion explosive through the loading passage.
[0007] A movable component, wherein the loading rod head is mounted on the movable component component such that the end of the loading rod head faces an alignment plane;
[0008] The moving component is controlled by a drive assembly to move in a direction perpendicular to the alignment plane, and the range of movement of the moving component is limited by a limiting assembly.
[0009] Specifically, it also includes: a mounting structure;
[0010] The driving component and the limiting component are disposed on the mounting structure;
[0011] The mounting structure includes: a main support plate;
[0012] A positioning panel is vertically connected to one side of the main support plate, and the plane of the positioning panel serves as the alignment plane; and a strength inclined plate is connected to the edge of both the main support plate and the positioning panel.
[0013] Specifically, the moving component includes:
[0014] A main moving body, with a secondary moving body connected to one side of it;
[0015] The secondary moving body is located outside the area formed by the positioning panel.
[0016] Specifically, the limiting component includes:
[0017] The limiting component has a groove formed along its length;
[0018] The limiting component is vertically fixedly connected to the side of the positioning panel adjacent to the strength inclined plate;
[0019] The main moving body has a sliding block on the side away from the secondary moving body, and the sliding block passes through the slide groove and is connected to a limiting block.
[0020] The sliding block can slide on the groove.
[0021] Specifically, one end of the slide is connected to the positioning panel;
[0022] The other end of the groove forms a limiting U-shaped part.
[0023] Specifically, the driving component includes:
[0024] A drive cylinder, which has a fixed end and an output end;
[0025] The fixed end is connected to the main support plate via a first hinge seat;
[0026] The output end is rotatably connected to the limiting block via a second rotating shaft seat.
[0027] Specifically, it also includes:
[0028] A stabilizing connecting block is fixedly connected to the secondary moving body;
[0029] One side of the stabilizing connecting block has strip-shaped teeth;
[0030] A rotating gear is rotatably connected to a connecting block, which is fixedly connected to the positioning panel.
[0031] The rotating gear meshes with the strip tooth.
[0032] Specifically, one side of the secondary moving body is connected to:
[0033] The sleeve portion, wherein the loading rod head can be connected to the sleeve portion, and is provided by a...
[0034] The sleeve is equipped with fastening bolts to lock the filling rod head;
[0035] An injection channel is formed inside the loading rod head, and the injection channel is connected to the injection pipe.
[0036] So that the injection channel and the injection tube serve as the filling passage;
[0037] The injection channel is radially connected to a return channel, the return channel is connected to a return pipe, and a shut-off valve is installed on the return pipe;
[0038] The diameter of the reflux channel is smaller than the diameter of the injection channel;
[0039] The injection channel forms an expansion tube at the end of the loading rod.
[0040] This utility model has the following beneficial effects:
[0041] The advantages of this device are that it can achieve unmanned operation of the loading position, that is, pre-alignment, and mechanically and smoothly send the loading rod head into the borehole by means of drive components and moving parts. It is less affected by external interference, making it safer and more reliable, and can maintain the loading process for a long time. Attached Figure Description
[0042] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0043] Figure 1 This is a schematic diagram of the structure of this utility model;
[0044] Figure 2 This is a three-dimensional schematic diagram of the moving component of this utility model;
[0045] Figure 3 This is a schematic diagram of the structure of the loading rod head of this utility model;
[0046] Figure 4 This is a schematic diagram of the structure of the limiting component of this utility model;
[0047] Figure 5 This is a schematic diagram of the structure of the moving component of this utility model;
[0048] Figure 6 This is a schematic diagram of the connection of the drive component of this utility model.
[0049] Loading rod head 10, loading passage 101, loading circuit 102, blast hole 1, alignment plane 2;
[0050] Moving part 20, driving component 30, limiting component 40;
[0051] The structure includes 51, main support plate 501, positioning panel 502, and strength inclined plate 503.
[0052] Limiting component 41, slide 401, main moving body 21, auxiliary moving body 22, sliding block 23, limiting block 24;
[0053] Slide groove 401, limiting U-shaped part 401u;
[0054] Drive cylinder 31, fixed end 301, output end 302, first hinge seat 310, second rotating shaft seat 320;
[0055] Stabilizing connecting block 61, rotating gear 62;
[0056] 110 sleeve, 111 fastening bolt, 120 injection channel, 130 injection pipe, 140 return channel, 150 return pipe, 160 shut-off valve, 121 expansion pipe. Detailed Implementation
[0057] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0058] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. It should be noted that, for ease of description, in this application, "left side" is referred to as "first end", "right side" as "second end", "upper side" as "first end", and "lower side" as "second end" in the current view. The purpose of such description is to clearly express the technical solution and should not be construed as an improper limitation of the technical solution of this application.
[0059] This utility model aims to solve the technical problem of the lack of a safe and reliable loading device for small-diameter blast holes in the existing technology, and provides an automatic on-site mixing and loading device suitable for small-diameter blast holes. The specific technical solution is attached. Figure 1-6As shown, the device includes a loading rod head 10, which has a loading passage 101 and a loading circuit 102. After the loading rod head 10 is aligned and enters the borehole 1, it delivers emulsion explosive through the loading passage 101. The loading circuit 102 is used to guide the venting during the loading process. The loading rod head 10 is mounted on a moving component 20, with the end of the loading rod head 10 facing an alignment plane 2. The alignment plane 2 is used to align with the loading wall. The moving component 20 is controlled by a drive assembly 30 to move in a direction perpendicular to the alignment plane 2, and a limiting assembly 40 limits the range of movement of the moving component 20. This allows the loading rod head 10 to be inserted into the borehole 1. The advantages of this device are that it can achieve unmanned operation of the loading position, that is, pre-alignment, and the mechanical feeding of the loading rod head 10 into the borehole 1 by the drive assembly 30 and the moving component 20. It is less affected by external interference, is safer and more reliable, and can maintain the loading process for a long time.
[0060] In a specific embodiment, please refer to Figure 1 , 2 The diagram also includes: a mounting structure 51, which can be used to connect a support or other carrier for transporting the railcar; a drive assembly 30 and a restraint assembly 40 are mounted on the mounting structure 51;
[0061] Specifically, the mounting structure 51 includes: a main support plate 501, mainly used to connect the railcar bracket or carrier; a positioning panel 502 is vertically connected to one side of the main support plate 501, the plane of the positioning panel 502 serving as the alignment plane 2; and a strength inclined plate 503, which connects the edges of the main support plate 501 and the positioning panel 502 on one side, thus providing a stabilizing effect.
[0062] In a specific embodiment, please refer to Figure 1 , 2 As shown in Figures 5 and 4, the moving part 20 includes: a main moving body 21, and a secondary moving body 22 connected to one side of the main moving body 21; the secondary moving body 22 is located outside the area formed by the positioning panel 502, that is, the secondary moving body 22 is arranged close to the edge of the positioning panel 502 and is movable relative to the positioning panel 502.
[0063] The limiting component 40 includes: a limiting member 41 having a groove 401 formed along its length; the limiting member 41 is vertically fixedly connected to the side of the positioning panel 502 adjacent to the strength inclined plate 503; the main moving body 21 has a sliding block 23 on the side away from the secondary moving body 22, the sliding block 23 passes through the groove 401 and is connected to a limiting block 24; the sliding block 23 is capable of sliding on the groove 401.
[0064] The principle of smoothly feeding or withdrawing the loading rod head 10 into or from the borehole 1 is achieved through the action of the auxiliary moving body 22. Figure 2 The middle section displays the extreme states of an insertion. For the preferred configuration, please refer to [link / reference]. Figure 4 One end of the slide groove 401 is connected to the positioning panel 502; the other end of the slide groove 401 forms a limiting U-shaped part 401u.
[0065] In a specific embodiment, please refer to Figure 1 , 2 As shown in Figures 5 and 6, the drive assembly 30 includes: a drive cylinder 31, which has a fixed end 301 and an output end 302; the fixed end 301 is connected to the main support plate 501 via a first hinge seat 310; the output end 302 is rotatably connected to the limiting block 24 via a second rotating shaft seat 320. Figure 2 During the process, the output end 302 reaches its maximum size, i.e., it is inserted into the borehole 1; when it is withdrawn, the output end 302 retracts, and under the restriction of the sliding groove 401 of the limiting component 41, the sliding block 23 moves, driving the main moving body 21 and the auxiliary moving body 22 to move, so that the loading rod head 10 is withdrawn.
[0066] In a specific embodiment, please refer to Figure 1 , 2 As shown, to further ensure the stability of the movement process, it also includes: a stabilizing connecting block 61, which is fixedly connected to the auxiliary moving body 22; a strip tooth 601 is formed on one side of the stabilizing connecting block 61; a rotating gear 62, which is rotatably connected to a connecting block 63, which is fixedly connected to the positioning panel 502; the rotating gear 62 meshes with the strip tooth 601, mainly to smoothly perform the movement.
[0067] In a specific embodiment, please refer to Figure 1 , 2 As shown in Figures 3 and 5; one side of the auxiliary moving body 22 is connected to a sleeve portion 110, to which the loading rod head 10 can be connected, and the loading rod head 10 is locked by a fastening bolt 111 provided in the sleeve portion 110; an injection channel 120 is formed inside the loading rod head 10, and the injection channel 120 is connected to the injection pipe 130, so that the injection channel 120 and the injection pipe 130 serve as a loading passage 101; the injection channel 120 is radially connected to a return channel 140, and the return channel 140 is connected to a return pipe 150, on which a shut-off valve 160 is provided; the diameter of the return channel 140 is smaller than the diameter of the injection channel 120; the injection channel 120 forms an expansion pipe 121 at the end of the loading rod head 10.
[0068] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.
Claims
1. An automatic on-site mixing and charging device suitable for small-diameter blast holes, characterized in that, include: The loading rod head (10) has a loading passage (101) and a loading circuit (102). After the loading rod head (10) is aligned with the borehole (1), it delivers emulsion explosive through the loading passage (101). The moving part (20) is mounted on the loading rod head (10) such that the end of the loading rod head (10) faces an alignment plane (2). The moving part (20) is controlled by a drive assembly (30) to move in a direction perpendicular to the alignment plane (2), and the range of movement of the moving part (20) is limited by a limiting assembly (40).
2. The on-site automatic charging device for small-diameter blast holes as described in claim 1, characterized in that, It also includes: mounting structure (51); The drive component (30) and the limiting component (40) are disposed on the mounting structure (51); The mounting structure (51) includes: a main support plate (501); A positioning panel (502) is vertically connected to one side of the main support plate (501), and the plane of the positioning panel (502) serves as the alignment plane (2); and A strength inclined plate (503) is connected to the edge of both the main support plate (501) and the positioning panel (502).
3. The on-site automatic charging device for small-diameter blast holes as described in claim 2, characterized in that, The moving part (20) includes: A main moving body (21) has a secondary moving body (22) connected to one side of it. The sub-moving body (22) is located outside the area formed by the positioning panel (502).
4. The on-site automatic charging device for small-diameter blast holes as described in claim 3, characterized in that, The limiting component (40) includes: The limiting component (41) has a groove (401) formed in its length direction. The limiting component (41) is vertically fixedly connected to the side of the positioning panel (502) adjacent to the strength inclined plate (503); The main moving body (21) has a sliding block (23) on the side away from the secondary moving body (22), and the sliding block (23) passes through the slide groove (401) and is connected to a limiting block (24). The sliding block (23) is able to slide on the groove (401).
5. The on-site automatic charging device for small-diameter blast holes as described in claim 4, characterized in that, One end of the slide (401) is connected to the positioning panel (502); The other end of the groove (401) forms a limiting U-shaped part (401u).
6. The on-site automatic charging device for small-diameter blast holes as described in claim 4, characterized in that, The driving component (30) includes: A drive cylinder (31) has a fixed end (301) and an output end (302); The fixed end (301) is connected to the main support plate (501) via a first hinge seat (310); The output end (302) is rotatably connected to the limiting block (24) via a second rotating shaft seat (320).
7. The on-site automatic charging device for small-diameter blast holes as described in claim 3, characterized in that, It also includes: A stabilizing connecting block (61) is fixedly connected to the secondary moving body (22); One side of the stable connecting block (61) has a strip tooth (601). A rotating gear (62) is rotatably connected to a connecting block (63), which is fixedly connected to the positioning panel (502); The rotating gear (62) meshes with the strip tooth (601).
8. The on-site automatic charging device for small-diameter blast holes as described in claim 3, characterized in that, One side of the secondary mobile body (22) is connected to: The sleeve (110) is connected to the filling rod head (10), and the filling rod head (10) is locked by a fastening bolt (111) provided on the sleeve (110); An injection channel (120) is formed inside the loading rod head (10), and the injection channel (120) is connected to the injection tube (130) so that the injection channel (120) and the injection tube (130) serve as the loading passage (101). The injection channel (120) is radially connected to a return channel (140), the return channel (140) is connected to a return pipe (150), and a shut-off valve (160) is provided on the return pipe (150). The diameter of the reflux channel (140) is smaller than the diameter of the injection channel (120); The injection channel (120) forms an expansion tube (121) at the end of the filling rod head (10).