Device for shaped charge blasting
By installing an extension section and a slotting head on the inner wall of the borehole using a clamping assembly, a shaped charge tube is formed, which solves the problem of high construction costs in shaped charge blasting and achieves efficient blasting results and cost savings.
Patent Information
- Application Number
- CN202411504966.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-01-14
AI Technical Summary
The use of shaped charge tubes in existing shaped charge blasting technology increases construction costs and complicates the process, requiring the use of tape for fixation, which leads to increased construction time and costs.
The clamping assembly includes a limiting component and a clamping component. The extension section is installed on the slit head through the clamping component, eliminating the need for a shaped charge tube. The clamping component and the slit head are used to cut a slit on the inner wall of the borehole to form a shaped charge tube, thereby increasing the charge amount and the explosive power.
It simplified the construction process, reduced construction costs and time, increased the drilling spacing, and improved blasting efficiency and charge quantity.
Smart Images
Figure CN119309466A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of concentrated charge blasting, and in particular to a device for concentrated charge blasting. Background Art
[0002] The purpose of focused blasting is to release blasting energy in a directional manner. The explosives are placed in the focused tube, and the structure of the tube guides the blasting energy to be released in a fixed direction. The pre-splitting blasting construction process is to place the explosives in the focused tube after drilling, and then place the focused tube in the drilled hole, using the focused effect of the focused tube during blasting to achieve the purpose of forming a slit. However, the use of focused tubes not only increases the construction cost, but also requires tape to be wrapped around the adjacent two focused tubes for auxiliary fixation, which is a cumbersome process and wastes work time. Summary of the invention
[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an embodiment of the present invention provides a device for concentrated charge blasting that ensures the quality of the project and saves costs.
[0004] The device for concentrated charge blasting according to the embodiment of the present invention comprises:
[0005] A body, the body being movable in the tunnel, the inner wall of the tunnel having a drilled hole;
[0006] A clamping assembly, wherein the clamping assembly includes a limit member and a clamping member, wherein the limit member is arranged on the main body, the limit member has a limit hole, a slitting head is passed through the limit hole, and the slitting head is used to slit the inner wall surface of the drill hole, the clamping member is arranged on the main body and is located below the limit member, the clamping member can be moved along the central axis direction of the limit hole relative to the main body, the clamping member is used to clamp the extension section, the clamping member can clamp the extension section to move toward the slitting head and install the extension section on the slitting head.
[0007] The device for energy-gathering blasting in the embodiment of the present invention installs the extension section on the cutting head by means of a clamp, and the operation is simple. The installation of the extension section reduces the distance between the cutting head and the inner wall surface of the tunnel, so that the cutting head can be inserted into the borehole to construct the borehole into an "energy-gathering tube". The cutting head cuts on the inner wall surface of the borehole, eliminating the use of the energy-gathering tube and saving costs. The amount of explosives is increased while the hole diameter remains unchanged, the blasting power is increased, the spacing between adjacent boreholes can be increased, the amount of drilling construction is reduced, and construction costs and construction time are saved.
[0008] In some embodiments, the extension section is threadedly connected to the slitting head.
[0009] In some embodiments, the clamping assembly also includes a guide member, which is disposed on the main body and can rotate relative to the main body, and the rotation angle of the guide member is a, 0<a<180°, the limit member is disposed at the upper end of the guide member, and the clamping member is disposed at the lower end of the guide member and can slide on the guide member.
[0010] In some embodiments, the clamping assembly also includes a guide rod and a control member, wherein the guide rod is disposed on the guide member and can rotate together with the guide member, and the lower end of the guide rod extends out of the lower end of the guide member, and the control member is slidably mounted on the guide rod and is located below the clamping member, and the control member can push the extension section to move toward the cutting head.
[0011] In some embodiments, the device for concentrated energy blasting also includes an installation assembly, which includes a rotating member, which is detachably arranged on the top surface of the control member and rotatable relative to the control member, and the rotating member is snap-fitted with the lower end of the extension section, and the rotating member can drive the extension section to rotate.
[0012] In some embodiments, the mounting assembly further comprises a pneumatic hammer, which is disposed in an inner cavity of the control member, and a piston of the pneumatic hammer can extend from a top surface of the control member to push the extension section and the slitting head to move as a whole.
[0013] In some embodiments, the slitting head includes a guide portion, a positioning portion and a slitting portion, the guide portion is arranged on the upper end of the positioning portion, the slitting portion is arranged on the outer peripheral surface of the positioning portion and extends along the extension direction of the positioning portion, and the slitting portion is used to cut a slit on the inner wall surface of the drill hole.
[0014] In some embodiments, the top surface of the guide portion has an air outlet, the air outlet is connected to the guide portion, the positioning portion and the extension section, and the air outlet is used to introduce nitrogen into the drill hole.
[0015] In some embodiments, the device for concentrated energy blasting further includes a direction-adjusting member, which is disposed on the main body and connected to the guide member to drive the guide member to rotate.
[0016] In some embodiments, the device for concentrated energy blasting further comprises:
[0017] A moving member, the moving member is arranged on the bottom surface of the main body, and the moving member is used to drive the main body to move in the lane;
[0018] A support member is detachably mounted on the main body, one end of the support member passes through the main body and is supported on the bottom surface of the lane, and the other end of the support member is supported on the top surface of the lane. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the rotating part of the device for concentrated energy blasting according to an embodiment of the present invention when it is working.
[0020] Figure 2 It is a schematic diagram of a rotating part of a device for concentrated energy blasting according to an embodiment of the present invention.
[0021] Figure 3 It is a schematic diagram of a pneumatic hammer working chamber of a device for concentrated energy blasting according to an embodiment of the present invention.
[0022] Figure 4 It is a schematic diagram of a slitting head of a device for concentrated charge blasting according to an embodiment of the present invention.
[0023] Figure numerals: 1. body; 2. clamping assembly; 21. limit member; 211. limit hole; 22. clamping member; 221. clamping hole; 23. guide member; 24. guide rod; 25. control member; 3. slitting head; 31. guide part; 311. air outlet; 32. positioning part; 33. slitting part; 4. extension section; 51. nitrogen production system; 52. hydraulic system; 53. control system; 6. mounting assembly; 61. rotating member; 62. pneumatic hammer; 71. direction adjustment member; 72. moving member; 73. support member; 731. column; 732. support cap; 733. plug-in. DETAILED DESCRIPTION
[0024] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0025] like Figure 1-4 As shown, the device for concentrated energy blasting according to the embodiment of the present invention comprises a main body 1 and a clamping assembly 2. The main body 1 can move in a tunnel, and the inner wall surface of the tunnel has a drilled hole. The clamping assembly 2 comprises a limiter 21 and a clamping member 22. The limiter 21 is arranged on the main body 1, and the limiter 21 has a limiter hole 211, and a slitting head 3 is inserted into the limiter hole 211, and the slitting head 3 is used to slit on the inner wall surface of the drilled hole. The clamping member 22 is arranged on the main body 1 and is located below the limiter 21. The clamping member 22 can move along the central axis direction of the limiter hole 211 relative to the main body 1, and the clamping member 22 has a clamping hole 221, and an extension section 4 is inserted into the clamping hole 221. The clamping member 22 can clamp the extension section 4 to move toward the slitting head 3 and install the extension section 4 on the slitting head 3.
[0026] The device for energy-gathering blasting of the embodiment of the present invention installs the extension section 4 on the cutting head 3 by means of the clamping member 22, and the operation is simple. The installation of the extension section 4 reduces the distance between the cutting head 3 and the inner wall surface of the tunnel, so that the cutting head 3 can be inserted into the borehole to construct the borehole into an "energy-gathering tube". The cutting head 3 cuts on the inner wall surface of the borehole, eliminating the use of the energy-gathering tube and saving costs. The amount of explosives is increased without changing the aperture, thereby increasing the blasting power, increasing the spacing between adjacent boreholes, reducing the amount of drilling construction, and saving construction costs and construction time.
[0027] Specifically, the central axis of the clamping hole 221 coincides with the central axis of the limiting hole 211 , so as to improve the accuracy of the matching between the extension section 4 and the cutting head 3 .
[0028] In some embodiments, the extension section 4 is threadedly connected to the slitting head 3 .
[0029] Specifically, the inner circumference of the lower end of the slitting head 3 has an internal thread, and the outer circumference of the upper end of the extension section 4 has an external thread. The lower end of the slitting head 3 is threadedly connected to the upper end of the extension section 4, and the connection method is simple and firm. It can be understood that connecting the extension section 4 at the lower end of the slitting head 3 can shorten the distance between the slitting head 3 and the inner wall surface of the tunnel. Therefore, the number of extension sections 4 can be selected according to the distance between the slitting head 3 and the inner wall surface of the tunnel, and the extension sections 4 are also threadedly connected.
[0030] In some embodiments, the equipment for hole forming by concentrated energy blasting according to the embodiments of the present invention further includes a nitrogen production system 51, a hydraulic system 52 and a control system 53, and each system is connected to the required devices through hydraulic pipelines.
[0031] In some embodiments, the clamping assembly 2 further includes a guide member 23, which is disposed on the body 1 and is rotatable relative to the body 1, and the rotation angle of the guide member 23 is a, 0<a<180°. The limit member 21 is disposed at the upper end of the guide member 23, and the clamping member 22 is disposed at the lower end of the guide member 23 and is slidable on the guide member 23.
[0032] Specifically, the guide member 23 can rotate between 0 and 180 degrees relative to the main body 1 to drive the limit member 21 and the clamping member 22 to rotate, thereby adjusting the direction of the cutting head 3 so that the cutting head 3 is aligned with the drill hole, making it easier for the cutting head 3 to cut in the drill hole.
[0033] In some embodiments, the clamping assembly 2 further includes a guide rod 24 and a control member 25. The guide rod 24 is disposed on the guide member 23, and the guide rod 24 can rotate together with the guide member 23, and the lower end of the guide rod 24 extends out of the lower end of the guide member 23, and the control member 25 is slidably mounted on the guide rod 24 and is located below the clamping member 22, and the control member 25 can push the extension section 4 to move toward the slitting head 3.
[0034] Specifically, when the control member 25 pushes the extension section 4 to move, the clamping member 22 can limit the extension section 4, thereby ensuring that the extension section 4 remains stable during the movement and is not prone to displacement.
[0035] In some embodiments, the device for concentrated energy blasting also includes an installation assembly 6, which includes a rotating member 61. The rotating member 61 is detachably arranged on the top surface of the control member 25 and is rotatable relative to the control member 25. The rotating member 61 is snap-fitted with the lower end of the extension section 4, and the rotating member 61 can drive the extension section 4 to rotate.
[0036] Specifically, during installation, the cutting head 3 is clamped in the limiting hole 211, the extension section 4 is arranged in the clamping hole 221, the control member 25 moves along the axial direction of the guide rod 24 to push the extension section 4 to move toward the cutting head 3, the clamping member 22 also moves with the extension section 4, and the control member 25 controls the rotating member 61 to rotate so that the upper end of the extension section 4 is threadedly connected to the lower end of the cutting head 3.
[0037] It can be understood that during the cutting process, the extension section 4 and the cutting head 3 can be rotated as a whole around the central axis of the clamping hole 221 through the rotating member 61 to drive the cutting head 3 to rotate, so that the cracks generated by the cutting head 3 are consistent with the pre-cracking direction of the drill hole, thereby improving the cutting effect.
[0038] In some embodiments, the mounting assembly 6 further includes a pneumatic hammer 62, which is disposed in the inner cavity of the control member 25. The piston of the pneumatic hammer 62 can extend from the top surface of the control member 25 to push the extension section 4 and the slitting head 3 to move as a whole.
[0039] Specifically, after the extension section 4 is installed on the slitting head 3, the rotating member 61 is removed from the control member 25, so that the piston of the pneumatic hammer 62 is exposed from the top surface of the control member 25, and the piston rod is spaced about 10 cm from the lower end of the last extension section 4. The piston rod of the pneumatic hammer 62 can impact the lower end of the extension section 4 within the range of motion to drive the extension section 4 and the clamping member 22 to move in the extension direction of the guide rail, so that the slitting head 3 performs slitting on the inner wall surface of the drilled hole, and the slitting head 3 performs slitting in the drilled hole by gradually advancing the pneumatic hammer 62. A protective cover (not shown) is provided on the piston rod to protect the piston rod from damage.
[0040] In some embodiments, the slitting head 3 includes a guide portion 31, a positioning portion 32 and a slitting portion 33. The guide portion 31 is arranged at the upper end of the positioning portion 32, the slitting portion 33 is arranged on the outer peripheral surface of the positioning portion 32 and extends along the extension direction of the positioning portion 32, and the slitting portion 33 is used to cut a slit on the inner wall surface of the drill hole.
[0041] Specifically, the positioning portion 32 is cylindrical, and the inner wall surface of the lower end of the positioning portion 32 has an internal thread, so that the positioning portion 32 can be threadedly connected with the extension section 4. The guide portion 31 is truncated cone-shaped, and the area of the upper end of the guide portion 31 is smaller than the area of the lower end of the guide portion 31. The lower end of the guide portion 31 is fixedly connected to the upper end of the positioning portion 32, and the cross-sectional area of the lower end of the guide portion 31 is the same as the cross-sectional area of the positioning portion 32. The slit portion 33 is provided on the outer circumference of the positioning portion 32 and extends along the extension direction of the positioning portion 32. The cross-sectional area of the slit portion 33 is generally triangular, so as to facilitate slitting the inner wall surface of the drill hole. There are two slit portions 33, and the two slit portions 33 are arranged at intervals on the outer circumference of the positioning portion 32.
[0042] In some embodiments, the top surface of the guide portion 31 has an air outlet 311, which is connected to the guide portion 31, the positioning portion 32 and the extension section 4. The air outlet 311 is used to introduce nitrogen into the borehole to prevent gas accumulation in the borehole and ensure construction safety.
[0043] In some embodiments, the device for concentrated energy blasting further includes a direction-adjusting member 71 , which is disposed on the main body 1 and connected to the guide member 23 to drive the guide member 23 to rotate.
[0044] Specifically, at least part of the steering member 71 can rotate in the YZ plane, and the guide member 23 is connected to at least part of the steering member 71 so that the connecting member can also rotate in the YZ plane, making the rotation of the guide member 23 simple and easy to operate.
[0045] In some embodiments, the device for concentrated energy blasting further includes a moving member 72 and a supporting member 73. The moving member 72 is disposed on the bottom surface of the body 1, and the moving member 72 is used to drive the body 1 to move in the tunnel. The supporting member 73 is detachably mounted on the body 1, one end of the supporting member 73 passes through the body 1 and is supported on the bottom surface of the tunnel, and the other end of the supporting member 73 is supported on the top surface of the tunnel.
[0046] Specifically, the moving member 72 is disposed on the bottom surface of the main body 1, and the moving member 72 can move in the lane to drive the main body 1 to move in the lane. The supporting member 73 includes four columns 731, and the four columns 731 are respectively disposed at the four corners of the main body 1, and the columns 731 extend in the up-down direction. The lower end of the column 731 is supported on the bottom surface of the lane, and the upper end of the column 731 is supported on the top surface of the lane.
[0047] Specifically, the column 731 can be extended and retracted in the vertical direction to adapt to lanes of different heights and improve applicability. A support cap 732 is provided at the upper end of the column 731, and the cross-sectional area of the support cap 732 is larger than the cross-sectional area of the column 731 to increase the contact area between the column 731 and the top surface of the lane. A plug-in 733 is provided on the side of the support cap 732 close to the lane, and the plug-in 733 can be inserted into the top surface of the lane to improve the support of the column 731 on the top surface of the lane.
[0048] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.
[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0050] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0051] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0052] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0053] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.
Claims
1. A device for concentrated charge blasting, characterized in that: include: A body (1), the body (1) being movable in a tunnel, the inner wall of the tunnel having a drilled hole; A clamping assembly (2), the clamping assembly (2) comprising a limiting member (21) and a clamping member (22), the limiting member (21) being arranged on the body (1), the limiting member (21) having a limiting hole (211), a slitting head (3) being arranged in the limiting hole (211), the slitting head (3) being used for slitting on the inner wall surface of the drill hole, the clamping member (22) being arranged on the body (1) and being located below the limiting member (21), the clamping member (22) being movable relative to the body (1) along the central axis direction of the limiting hole (211), the clamping member (22) being used for clamping the extension section (4), the clamping member (22) being able to clamp the extension section (4) and move it toward the slitting head (3) and to mount the extension section (4) on the slitting head (3).
2. The device for concentrated charge blasting according to claim 1, characterized in that: The extension section (4) is threadedly connected to the cutting head (3).
3. The device for concentrated charge blasting according to claim 1 or 2, characterized in that: The clamping assembly (2) further comprises a guide member (23), wherein the guide member (23) is arranged on the body (1) and is rotatable relative to the body (1), and the rotation angle of the guide member (23) is a, 0<a<180°, the limiting member (21) is arranged at the upper end of the guide member (23), and the clamping member (22) is arranged at the lower end of the guide member (23) and is slidable on the guide member (23).
4. The device for concentrated charge blasting according to claim 3, characterized in that: The clamping assembly (2) further comprises a guide rod (24) and a control member (25), wherein the guide rod (24) is arranged on the guide member (23), and the guide rod (24) can rotate together with the guide member (23), and the lower end of the guide rod (24) extends out of the lower end of the guide member (23); the control member (25) is slidably mounted on the guide rod (24) and is located below the clamping member (22), and the control member (25) can push the extension section (4) to move toward the slitting head (3).
5. The device for concentrated charge blasting according to claim 4, characterized in that: The device further comprises an installation component (6), wherein the installation component (6) comprises a rotating member (61), wherein the rotating member (61) is detachably arranged on the top surface of the control member (25) and is rotatable relative to the control member (25), and the rotating member (61) is engaged with the lower end of the extension section (4), and the rotating member (61) can drive the extension section (4) to rotate.
6. The device for concentrated charge blasting according to claim 5, characterized in that: The mounting assembly (6) further comprises a pneumatic hammer (62), which is arranged in the inner cavity of the control member (25). The piston of the pneumatic hammer (62) can extend from the top surface of the control member (25) to push the extension section (4) and the slitting head (3) to move as a whole.
7. The device for concentrated charge blasting according to claim 1, characterized in that: The slitting head (3) comprises a guide portion (31), a positioning portion (32) and a slitting portion (33); the guide portion (31) is arranged at the upper end of the positioning portion (32); the slitting portion (33) is arranged on the outer peripheral surface of the positioning portion (32) and extends along the extension direction of the positioning portion (32); the slitting portion (33) is used for slitting on the inner wall surface of the drilled hole.
8. The device for concentrated charge blasting according to claim 7, characterized in that: The top surface of the guide portion (31) is provided with an air outlet (311), the air outlet (311) is connected with the guide portion (31), the positioning portion (32) and the extension section (4), and the air outlet (311) is used to introduce nitrogen into the drill hole.
9. The device for concentrated charge blasting according to claim 3, characterized in that: It also comprises a direction-adjusting member (71), wherein the direction-adjusting member (71) is arranged on the body (1), and the direction-adjusting member (71) is connected to the guide member (23) to drive the guide member (23) to rotate.
10. The device for concentrated charge blasting according to claim 1, characterized in that: Also includes: A moving member (72), the moving member (72) being arranged on the bottom surface of the main body (1), and the moving member (72) being used to drive the main body (1) to move in the lane; A support member (73), wherein the support member (73) is detachably mounted on the body (1), one end of the support member (73) passes through the body (1) and is supported on the bottom surface of the tunnel, and the other end of the support member (73) is supported on the top surface of the tunnel.