Rapid static blasting device for hard rock
Through the hard rock rapid static blasting device integrating drill bit assembly and conveying mechanism, the problems of low efficiency, high cost and high safety risks caused by the separation of drilling and injection are solved, and the synchronous progress of drilling and injection is achieved, improving the blasting efficiency and safety.
Patent Information
- Application Number
- CN202422792707.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Drilling and injection of the existing hard rock static blasting device are carried out separately, resulting in low efficiency, high cost and high safety risks, which cannot meet the needs of use.
A hard rock rapid static blasting device is designed, integrating drill bit assembly and conveying mechanism, driving holes through servo motors and drive motors, and injecting crushing agents simultaneously through a booster pump and conveying pipes to achieve synchronous drilling and injection of drug injection.
Significantly reduce the total time of blasting operations, improve operation efficiency, reduce safety risks, ensure the freshness of crushers and blasting quality, and improve practicality.
Smart Images

Figure CN223243488U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of static blasting, in particular to a hard rock fast static blasting device. Background Art
[0002] Static blasting technology primarily involves the use of static crushing agents for blasting and excavating rock or concrete. Due to its advantages of being noiseless, dust-free, rock-flying-free, toxic and harmful gases-free, and vibration-free during construction, it is widely used in various projects around the world.
[0003] A hard rock rapid static blasting device is required during the static blasting process of hard rock. The static blasting device in the existing technology mixes a static breaker with water in a certain proportion and injects it into the target body's borehole. The target body is cracked by the expansion pressure generated by the chemical reaction. However, the drilling and injection are carried out separately during the blasting operation, which usually requires operators to perform additional labor, such as carrying explosives and injection equipment. In addition, this blasting method has problems such as low efficiency, high cost, and high safety risks, and cannot meet the use requirements. Therefore, a hard rock rapid static blasting device is proposed to solve the above-mentioned problems. Utility Model Content
[0004] In response to the shortcomings of the existing technology, the utility model provides a hard rock rapid static blasting device with the advantages of high operating efficiency and strong practicality. It solves the problem that the static blasting device in the existing technology mixes a static crushing agent with water in a certain proportion and injects it into the drill hole of the target body, and cracks the target body through the expansion pressure generated by the chemical reaction. However, in the blasting operation, drilling and injection are carried out separately, which usually requires operators to perform additional labor, such as carrying explosives and injection equipment, etc., and the blasting method has the problems of low efficiency, high cost, high safety risks, etc., and cannot meet the use requirements.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hard rock rapid static blasting device, comprising a base, a mounting box fixedly connected to the top of the base, a drill bit assembly disposed outside the mounting box, a breaker box fixedly connected to the top of the base, and a controller fixedly mounted on the front of the breaker box, wherein a drive mechanism extending to the outside of the mounting box is disposed inside the mounting box for driving the drill bit assembly, and a conveying mechanism extending to the interior of the drill bit assembly is disposed on the top of the base;
[0006] The drill bit assembly includes a drill rod and a drill bit fixedly connected to the bottom end of the drill rod;
[0007] The driving mechanism includes a servo motor, a threaded rod, a threaded block, a connecting plate, a mounting plate, a driving motor, a transmission gear and a driven gear;
[0008] The delivery mechanism comprises a booster pump, a shaft sleeve, a delivery pipe, a nozzle and a hose.
[0009] Furthermore, the servo motor is fixedly installed on the top of the installation box, the threaded rod is fixedly connected to the output shaft of the servo motor, the threaded rod is rotatably connected to the inside of the installation box, and the threaded block is threadedly connected to the outside of the threaded rod.
[0010] Furthermore, the connecting plate is fixedly connected to the outside of the threaded block and extends to the outside of the mounting box, the mounting plate is fixedly connected to a side of the connecting plate away from the threaded block, and the drive motor is fixedly mounted on the top of the mounting plate.
[0011] Furthermore, the drill rod is rotatably mounted inside the mounting plate, the transmission gear is fixedly connected to the output shaft of the drive motor, and the driven gear is fixedly connected to the outside of the drill rod and is meshed with the transmission gear.
[0012] Furthermore, the driving mechanism further comprises a sliding sleeve and a guide rod, wherein the sliding sleeve is fixedly connected to the back of the threaded block, the guide rod is fixedly connected to the inside of the installation box, and the sliding sleeve is slidably connected to the outside of the guide rod.
[0013] Furthermore, the booster pump is fixedly installed on the top of the breaker box, the sleeve is fixedly connected to the inside of the drill pipe, the delivery pipe is rotatably connected to the inside of the sleeve, and the bottom end of the delivery pipe is fixedly connected to a nozzle.
[0014] Furthermore, a hose is fixedly connected between the output end of the booster pump and the top end of the delivery pipe, and an extraction pipe is fixedly connected between the input end of the booster pump and the crushing agent box.
[0015] Compared with the existing technology, the present invention provides a hard rock rapid static blasting device with the following beneficial effects:
[0016] 1. This hard rock rapid static blasting device starts the servo motor through the controller to drive the threaded rod to rotate, so that the threaded block drives the drill bit assembly to move downward. Then, the controller starts the drive motor to drive the transmission gear to rotate, so that the drill rod, drill bit and driven gear are coordinated to facilitate rapid drilling of hard rock. Then, the conveying mechanism is started to convey the crushing agent into the borehole. The simultaneous drilling and injection can significantly reduce the total time of the blasting operation, improve the operation efficiency, reduce the exposure time of the crushing agent in the air, thereby reducing safety risks and achieving the advantage of high operation efficiency.
[0017] 2. This hard rock rapid static blasting device improves the stability of the drill bit assembly when it moves downward by setting a sliding sleeve and a guide rod. Through the synchronous drive of the sleeve, delivery pipe, nozzle and drill rod, the freshness and accuracy of the breaker in the hole can be ensured, which helps to improve the blasting effect and reduce the impact of environmental factors on the hole wall, thereby improving the blasting quality and achieving the advantage of strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a sectional perspective view of the structure of the utility model;
[0019] Figure 2 This is a structural stereogram of the drive mechanism of the utility model;
[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure shown;
[0021] Figure 4 It is a structural stereogram of the nozzle of the utility model.
[0022] In the figure: 1. Base; 2. Mounting box; 3. Controller; 4. Drill bit assembly; 41. Drill rod; 42. Drill bit; 5. Breaker box; 6. Driving mechanism; 61. Servo motor; 62. Threaded rod; 63. Threaded block; 64. Connecting plate; 65. Mounting plate; 66. Driving motor; 67. Transmission gear; 68. Driven gear; 69. Sleeve; 610. Guide rod; 7. Conveying mechanism; 71. Booster pump; 72. Bushing; 73. Conveying pipe; 74. Nozzle; 75. Hose. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figures 1 to 4 In this embodiment, a hard rock rapid static blasting device includes a base 1, an installation box 2 fixedly connected to the top of the base 1, a drill bit assembly 4 arranged outside the installation box 2, a breaker box 5 fixedly connected to the top of the base 1, and a controller 3 fixedly installed on the front of the breaker box 5. A driving mechanism 6 for driving the drill bit assembly 4 is provided inside the installation box 2 and extends to the outside thereof. A conveying mechanism 7 extending into the interior of the drill bit assembly 4 is provided on the top of the base 1. The drill bit assembly 4 includes a drill rod 41 and a drill bit 42 fixedly connected to the bottom end of the drill rod 41.
[0025] In this embodiment, the drive mechanism 6 comprises a servo motor 61, a threaded rod 62, a threaded block 63, a connecting plate 64, a mounting plate 65, a drive motor 66, a transmission gear 67, and a driven gear 68. The servo motor 61 is fixedly mounted on the top of the mounting box 2. The threaded rod 62 is fixedly connected to the output shaft of the servo motor 61 and rotatably connected to the interior of the mounting box 2. The threaded block 63 is threadedly connected to the exterior of the threaded rod 62. The controller 3 activates the servo motor 61 to rotate the threaded rod 62, causing the threaded block 63 to move the drill bit assembly 4 downward. The controller 3 then activates the drive motor 66 to rotate the transmission gear 67, causing the drill rod 41, drill bit 42, and driven gear 68 to engage in transmission, facilitating rapid drilling of hard rock.
[0026] Among them, the connecting plate 64 is fixedly connected to the outside of the threaded block 63 and extends to the outside of the installation box 2, the mounting plate 65 is fixedly connected to the side of the connecting plate 64 away from the threaded block 63, and the drive motor 66 is fixedly installed on the top of the mounting plate 65.
[0027] Specifically, the drill rod 41 is rotatably mounted inside the mounting plate 65 , the transmission gear 67 is fixedly connected to the output shaft of the drive motor 66 , and the driven gear 68 is fixedly connected to the outside of the drill rod 41 and meshed with the transmission gear 67 .
[0028] It should be noted that the drive mechanism 6 further includes a sliding sleeve 69 and a guide rod 610. The sliding sleeve 69 is fixedly connected to the back of the threaded block 63, the guide rod 610 is fixedly connected to the inside of the mounting box 2, and the sliding sleeve 69 is slidably connected to the outside of the guide rod 610. The provision of the sliding sleeve 69 and the guide rod 610 improves the stability of the drill assembly 4 when it moves downward.
[0029] In addition, four moving wheels are rotatably mounted on the bottom of the base 1 .
[0030] In this embodiment, the delivery mechanism 7 comprises a booster pump 71, a sleeve 72, a delivery pipe 73, a nozzle 74, and a hose 75. The booster pump 71 is fixedly mounted on the top of the breaker tank 5. The sleeve 72 is fixedly connected to the interior of the drill pipe 41. The delivery pipe 73 is rotatably connected to the interior of the sleeve 72. The bottom end of the delivery pipe 73 is fixedly connected to the nozzle 74. A mixing mechanism is provided within the breaker tank 5. The mixing mechanism comprises a transmission motor fixedly mounted on the exterior of the breaker tank 5, a rotating shaft fixedly connected to the output shaft of the transmission motor, and a stirring rod fixedly connected to the exterior of the rotating shaft.
[0031] The output end of the booster pump 71 and the top end of the delivery pipe 73 are fixedly connected via a hose 75 , and the input end of the booster pump 71 and the crushing agent box 5 are fixedly connected via an extraction pipe.
[0032] The working principle of the above embodiment is:
[0033] During use, the servo motor 61 is started by the controller 3 to drive the threaded rod 62 to rotate, so that the threaded block 63 drives the drill bit assembly 4 to move downward. Then, the drive motor 66 is started by the controller 3 to drive the transmission gear 67 to rotate, so that the drill rod 41, the drill bit 42 and the driven gear 68 are matched with each other to facilitate rapid drilling of hard rock. Then, the booster pump 71 is started to transport the breaker inside the breaker box 5 to the inside of the delivery pipe 73 through the extraction pipe and the hose 75, and finally sprayed out through the nozzle 74 to transport the breaker inside the borehole. The total time of the blasting operation is reduced by the synchronization of drilling and injection.
[0034] The installation method, connection method or setting method disclosed in this embodiment are all common mechanical connection methods.
[0035] Any connection method can be implemented as long as it can achieve its beneficial effects. In addition, the electrical components appearing in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Technicians in this field can control the electrical components through simple programming, and the existing disclosed power connection technology is also common knowledge in this field, so its specific structural composition and working principle will not be described in detail in this embodiment.
[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hard rock rapid static blasting device, characterized by: The invention comprises a base (1), a mounting box (2) fixedly connected to the top of the base (1), a drill assembly (4) arranged outside the mounting box (2), a breaker box (5) fixedly connected to the top of the base (1), and a controller (3) fixedly mounted on the front of the breaker box (5); a driving mechanism (6) extending to the outside of the mounting box (2) for driving the drill assembly (4) is provided inside the mounting box (2); and a conveying mechanism (7) extending to the inside of the drill assembly (4) is provided on the top of the base (1); The drill bit assembly (4) comprises a drill rod (41) and a drill bit (42) fixedly connected to the bottom end of the drill rod (41); The driving mechanism (6) comprises a servo motor (61), a threaded rod (62), a threaded block (63), a connecting plate (64), a mounting plate (65), a driving motor (66), a transmission gear (67) and a driven gear (68); The delivery mechanism (7) comprises a booster pump (71), a shaft sleeve (72), a delivery pipe (73), a nozzle (74) and a hose (75).
2. The hard rock rapid static blasting device according to claim 1, characterized in that: The servo motor (61) is fixedly mounted on the top of the installation box (2), the threaded rod (62) is fixedly connected to the output shaft of the servo motor (61), the threaded rod (62) is rotatably connected to the inside of the installation box (2), and the threaded block (63) is threadedly connected to the outside of the threaded rod (62).
3. The hard rock rapid static blasting device according to claim 1, characterized in that: The connecting plate (64) is fixedly connected to the outside of the threaded block (63) and extends to the outside of the mounting box (2); the mounting plate (65) is fixedly connected to a side of the connecting plate (64) away from the threaded block (63); and the driving motor (66) is fixedly mounted on the top of the mounting plate (65).
4. The hard rock rapid static blasting device according to claim 1, characterized in that: The drill rod (41) is rotatably mounted inside the mounting plate (65), the transmission gear (67) is fixedly connected to the output shaft of the drive motor (66), and the driven gear (68) is fixedly connected to the outside of the drill rod (41) and is meshed with the transmission gear (67).
5. The hard rock rapid static blasting device according to claim 1, characterized in that: The driving mechanism (6) further comprises a sliding sleeve (69) and a guide rod (610), wherein the sliding sleeve (69) is fixedly connected to the back of the threaded block (63), the guide rod (610) is fixedly connected to the inside of the installation box (2), and the sliding sleeve (69) is slidably connected to the outside of the guide rod (610).
6. The hard rock rapid static blasting device according to claim 1, characterized in that: The booster pump (71) is fixedly mounted on the top of the breaker box (5), the shaft sleeve (72) is fixedly connected to the inside of the drill rod (41), the delivery pipe (73) is rotatably connected to the inside of the shaft sleeve (72), and the bottom end of the delivery pipe (73) is fixedly connected to a nozzle (74).
7. The hard rock rapid static blasting device according to claim 1, characterized in that: The output end of the booster pump (71) and the top end of the delivery pipe (73) are fixedly connected via a hose (75), and the input end of the booster pump (71) and the crushing agent box (5) are fixedly connected via an extraction pipe.
Citation Information
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