Static blasting anti-punching device
By designing a static blasting anti-burst device, which utilizes a sealing mechanism, a hydraulic mechanism, and a directional mechanism, the problem of expansion agent overflow was solved, and the device was fixed and the expansion agent was directionally squeezed, thereby improving blasting efficiency and safety.
Patent Information
- Application Number
- CN202520192255.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-07
AI Technical Summary
In existing static blasting techniques, the expanding agent is prone to overflowing from the blast hole, causing puncture and reducing blasting efficiency.
A static blasting anti-burst device was designed, comprising a sealing mechanism, a hydraulic mechanism, an anti-loosening mechanism, and a directional mechanism. Through components such as a sealing cover, a hydraulic cylinder, a piston, and a metal cylinder, the device is fixed and the expanding agent is directionally extruded.
It improves the stability of the device in the blast hole and the utilization rate of the expanding agent, ensures controllable blasting direction, and enhances blasting efficiency and safety.
Smart Images

Figure CN223769381U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to static blasting technical field, in particular to a static blasting anti-punching device. BACKGROUND
[0002] Static blasting is a kind of technology that makes object break by the expansion force of static breaking agent, which is filled into drilling hole after stirring with water, and the volume is expanded by hydration reaction, slowly and continuously to exert pressure on the hole wall, when the pressure exceeds the compressive strength of object, object will crack along the predetermined direction, compared with traditional blasting, it has small noise, less dust, no flying stone, high safety, and small influence on surrounding environment, and is often used in city demolition, rock mining and other engineering with high safety and environmental requirements.
[0003] In the prior art, when static blasting is carried out, people often directly pour expansion agent into blasting hole after drilling blasting hole, this method is simple, but since the blasting hole is not blocked, the expansion agent is easy to expand to the direction of blasting hole, and then overflow from the blasting hole, which causes punching phenomenon, resulting in small pressure on the wall of blasting hole and blasting failure, so people need to clean the blasting hole and pour the expansion agent again, which greatly reduces the blasting efficiency.
[0004] Therefore, it is urgent to provide a static blasting anti-punching device to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem of overcoming the above-mentioned prior art, and provides a static blasting anti-punching device.
[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a static blasting anti-punching device, which comprises a blocking mechanism and an anti-loosening mechanism, the blocking mechanism is provided with a cover mechanism for blocking the expansion agent, the inner side of the blocking mechanism is provided with a hydraulic mechanism for driving the anti-loosening mechanism.
[0007] The bottom end of the blocking mechanism is provided with two anti-loosening mechanisms.
[0008] The outer part of the blocking mechanism is provided with a directional mechanism for controlling the extrusion direction of the expansion agent.
[0009] The utility model is further provided as follows: the blocking mechanism comprises a rod body, the top end of the rod body is fixed with a blocking cover, the blocking cover is provided with a grouting port, the blocking cover is further provided with an exhaust port, and the bottom end of the rod body is provided with a hydraulic oil cavity.
[0010] Through the technical scheme, the rod body is a hollow thick-walled tubular structure and is made of metal, so that the rod body is prevented from being deformed by being extruded when the expanding agent expands, the bottom end of the sealing cover is small and the top end is large, so that the blasting hole is easily plugged, the expanding agent can be injected into the blasting hole through the grouting opening by the staff, the exhaust port can exhaust excess air when the expanding agent is injected, and the hydraulic oil cavity is in the shape of inverted T and is filled with hydraulic oil.
[0011] The utility model further sets up: the sealing cover mechanism includes setting on the grouting opening cover, the inside of cover is provided with internal thread, still fixed with the plugging rod on the cover.
[0012] Through the technical scheme, the cover is provided with two, two covers are respectively connected with the grouting opening and the exhaust port through internal thread, so that the expanding agent is prevented from overflowing from the grouting opening and the exhaust port when the expanding agent expands, and the plugging rod can plug the grouting opening and the exhaust port to prevent the expanding agent after solidification from causing the grouting opening and the exhaust port to be blocked.
[0013] The utility model further sets up: the hydraulic mechanism includes the hydraulic cylinder of fixed in the inside of rod body, the output of hydraulic cylinder is fixed with piston one.
[0014] Through the technical scheme, the hydraulic cylinder is fixed with the inner wall of the rod body through the connecting block, the hydraulic pipeline can pass through the hollow cavity of the rod body, when the hydraulic cylinder stretches, piston one moves downward, so as to extrude hydraulic oil.
[0015] The utility model further sets up: the anti-loosening mechanism includes the piston two of setting in the hydraulic oil cavity, the connecting rod is fixed on piston two.
[0016] Through the technical scheme, the bottom of the hydraulic oil cavity is provided with the anti-loosening mechanism at both ends, when the hydraulic cylinder stretches, piston one extrudes hydraulic oil downward, so that hydraulic oil pushes and extrudes piston two to both sides, and then the connecting rod stretches to both sides.
[0017] The utility model further sets up: the end of connecting rod is fixed with extrusion plate, a plurality of convex teeth are fixed on the extrusion plate.
[0018] Through the technical scheme, when the connecting rod stretches to both sides, the extrusion plate is pushed to extrude the inner wall of the blasting hole, so that the device is fixed, the device is prevented from loosening when the expanding agent expands, and the convex teeth can improve the friction between the extrusion plate and the inner wall of the blasting hole, and further improve the firmness of the device.
[0019] The utility model further sets up: the directional mechanism includes the connecting portion of rotation connection in the outside of rod body, the metal cylinder is fixed on the connecting portion, two extrusion grooves are formed in the metal cylinder, and the top of the metal cylinder is provided with an opening.
[0020] Through the technical scheme, the metal cylinder is rotationally connected with the rod body through the connecting part, when the worker inserts the device into the blasting hole, the metal cylinder can be rotated, so that the extrusion grooves are directed to the blasting direction, when the expanding agent expands, only the two extrusion grooves can extrude outward, so that the directional extrusion of the expanding agent is realized, the extrusion direction of the expanding agent is controllable, the utilization rate of the expanding agent can be improved, the connecting part and the rod body are tightly and rotationally connected, the rotation resistance is large, therefore, when the worker inserts the device into the blasting hole, the metal cylinder will not rotate, the opening is in contact with the cover, the metal cylinder can prevent the grouting port and the exhaust port.
[0021] The beneficial effects of the utility model are as follows:
[0022] 1. The utility model discloses a plugging mechanism, hydraulic mechanism and anti -loose mechanism are set up, so that the device can realize the inside support fixed with the blasting hole, thereby avoiding the device to appear loose and from the blasting hole and be separated, be favorable to the stability of the device in the use process is improved.
[0023] 2. The utility model discloses the setting of directional mechanism can make the expanding agent expand to the specified direction, thereby improving the controllability of blasting direction, and then the safety of static blasting is improved, and the expansion pressure produced by the expansion of expanding agent can be more fully utilized, and then the utilization rate of expanding agent is improved. DRAWINGS
[0024] Figure 1 It is the three-dimensional structure diagram of the utility model;
[0025] Figure 2 It is the three-dimensional sectional structure diagram of the plugging mechanism of the utility model;
[0026] Figure 3 It is the structure diagram of the sealing cover mechanism of the utility model;
[0027] Figure 4 It is the partial structure diagram of the plugging mechanism and hydraulic mechanism of the utility model;
[0028] Figure 5 It is the structure diagram of the anti-loose mechanism of the utility model;
[0029] Figure 6 It is the structure diagram of the directional mechanism of the utility model.
[0030] In the figure: 1, plugging mechanism; 101, rod body; 102, plugging cover; 103, grouting port; 104, exhaust port; 105, hydraulic oil cavity; 2, sealing cover mechanism; 201, cover body; 202, internal thread; 203, plugging rod; 3, hydraulic mechanism; 301, hydraulic cylinder; 302, piston one; 4, anti-loosening mechanism; 401, piston two; 402, connecting rod; 403, extrusion plate; 404, protruding tooth; 5, orientation mechanism; 501, connecting part; 502, metal cylinder; 503, extrusion groove; 504, opening. DETAILED DESCRIPTION
[0031] The advantages and features of the present application will be more apparent from the following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, so as to make the scope of the protection of the present application more clearly defined.
[0032] Please refer to Figures 1-6 A static blasting anti-punching device, comprising a plugging mechanism 1 and an anti-loosening mechanism 4, the plugging mechanism 1 comprises a rod body 101, the top end of the rod body 101 is fixed with a plugging cover 102, the plugging cover 102 is provided with a grouting port 103, the plugging cover 102 is also provided with an exhaust port 104, the bottom end of the rod body 101 is provided with a hydraulic oil cavity 105, the rod body 101 is a hollow thick-walled tubular structure, and the rod body 101 is made of metal material, so as to avoid the extrusion deformation of the rod body 101 when the expanding agent expands, the bottom end of the plugging cover 102 is small and the top end is large, so as to facilitate the plugging of the blasting hole, the staff can inject the expanding agent into the blasting hole through the grouting port 103, the exhaust port 104 can exhaust the excess air when the expanding agent is injected, and the hydraulic oil cavity 105 is in the shape of inverted T, which is filled with hydraulic oil.
[0033] As Figure 1 and Figure 3 shown, the plugging mechanism 1 is provided with a sealing cover mechanism 2 for plugging the expanding agent, the sealing cover mechanism 2 comprises a cover body 201 provided on the grouting port 103, the inner side of the cover body 201 is provided with an internal thread 202, the cover body 201 is also fixed with a plugging rod 203, the cover body 201 is provided with two, the two cover bodies 201 are respectively screwed with the grouting port 103 and the exhaust port 104 through the internal thread 202, so as to avoid the overflow of the expanding agent from the grouting port 103 and the exhaust port 104 when the expanding agent expands, and the plugging rod 203 can plug the grouting port 103 and the exhaust port 104, avoiding the plugging of the grouting port 103 and the exhaust port 104 caused by the solidified expanding agent.
[0034] As Figure 1 , Figure 4 and Figure 5As shown, the inner side of the blocking mechanism 1 is provided with a hydraulic mechanism 3 for driving the anti-loose mechanism 4, the hydraulic mechanism 3 includes a hydraulic cylinder 301 fixed to the inner side of the rod body 101, the output end of the hydraulic cylinder 301 is fixed with a piston one 302, the hydraulic cylinder 301 is fixed to the inner wall of the rod body 101 through a connecting block, and the hydraulic pipeline can pass through the hollow cavity of the rod body 101, when the hydraulic cylinder 301 extends, the piston one 302 will move downward, thereby extruding the hydraulic oil, the bottom end of the blocking mechanism 1 is provided with two anti-loose mechanisms 4, the anti-loose mechanism 4 includes a piston two 401 arranged in the hydraulic oil cavity 105, the piston two 401 is fixed with a connecting rod 402, the end of the connecting rod 402 is fixed with a pressing plate 403, the pressing plate 403 is fixed with a plurality of protruding teeth 404, the bottom of the hydraulic oil cavity 105 is provided with the anti-loose mechanism 4 at both ends, when the hydraulic cylinder 301 extends, the piston one 302 extrudes the hydraulic oil downward, so that the hydraulic oil pushes the piston two 401 to the two sides, thereby making the connecting rod 402 extend to the two sides, when the connecting rod 402 extends to the two sides, it will push the pressing plate 403 to extrude the inner wall of the blasting hole, thereby fixing the device, avoiding the device loosening when the expanding agent expands, the protruding teeth 404 can improve the friction between the pressing plate 403 and the inner wall of the blasting hole, further improving the firmness of the device.
[0035] As shown in Figure 1 and Figure 6 As shown, the outer side of the blocking mechanism 1 is provided with a directional mechanism 5 for controlling the extrusion direction of the expanding agent, the directional mechanism 5 includes a connecting part 501 rotatably connected to the outer side of the rod body 101, the connecting part 501 is fixed with a metal cylinder 502, the metal cylinder 502 is provided with two extrusion grooves 503, the top end of the metal cylinder 502 is provided with an opening 504, the metal cylinder 502 is rotatably connected with the rod body 101 through the connecting part 501, when the staff inserts the device into the blasting hole, the metal cylinder 502 can be rotated, so that the extrusion grooves 503 are directed to the blasting direction, when the expanding agent expands, it can only be extruded outward through the two extrusion grooves 503, thereby realizing the directional extrusion of the expanding agent, so that the extrusion direction of the expanding agent is controllable, and the utilization rate of the expanding agent can be improved, the connecting part 501 and the rod body 101 are tightly connected in rotation, and the rotation resistance is large, so when the staff inserts the device into the blasting hole, the metal cylinder 502 will not rotate, the opening 504 is in contact with the cover 201, which can prevent the metal cylinder 502 from blocking the grouting port 103 and the exhaust port 104.
[0036] The utility model discloses when using, the staff can first drill a few blast holes on the rock mass of needing blasting according to the planning, adjust the orientation of directional mechanism 5 again and place the device anti -looseness 4 in the blast hole in the downward after, and open hydraulic mechanism 3, make anti -looseness 4 support the fixation in the device, and the staff can open two sealing cover mechanism 2 after fixing, and inject the expansion agent into the blast hole through the grouting mouth 103, and the volume will be big when the expansion agent solidification, and the blast hole wall is extruded from extruding groove 503 place, thereby make the rock mass crack along the blast hole, realize static blasting.
[0037] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent process transformation of the contents of the utility model specification and the drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.
Claims
1. A static blasting anti-burst device comprising a blocking mechanism (1) and an anti-loosening mechanism (4), characterized in that: The sealing mechanism (1) is provided with a sealing cover mechanism (2) for sealing the expanding agent, and the inner side of the sealing mechanism (1) is provided with a hydraulic mechanism (3) for driving the anti-loosening mechanism (4); The bottom end of the sealing mechanism (1) is provided with two anti-loosening mechanisms (4); The outer side of the sealing mechanism (1) is provided with a directional mechanism (5) for controlling the extrusion direction of the expanding agent.
2. A static blasting shock hole prevention device according to claim 1, characterized in that: The sealing mechanism (1) comprises a rod body (101), the top end of the rod body (101) is fixed with a sealing cover (102), the sealing cover (102) is provided with a grouting port (103), the sealing cover (102) is also provided with an exhaust port (104), and the bottom end of the rod body (101) is provided with a hydraulic oil cavity (105).
3. A static blasting shock hole prevention device according to claim 2, characterized in that: The sealing cover mechanism (2) comprises a cover (201) arranged on the grouting port (103), the inner side of the cover (201) is provided with an internal thread (202), and the cover (201) is also fixed with a sealing rod (203).
4. A static blasting shock hole prevention device according to claim 2, characterized in that: The hydraulic mechanism (3) comprises a hydraulic cylinder (301) fixed on the inner side of the rod body (101), and the output end of the hydraulic cylinder (301) is fixed with a piston one (302).
5. A static blasting shock hole prevention device according to claim 2, characterized in that: The anti-loosening mechanism (4) comprises a piston two (401) arranged in the hydraulic oil cavity (105), and the piston two (401) is fixed with a connecting rod (402).
6. A static blasting shock hole prevention device according to claim 5, wherein: The end of the connecting rod (402) is fixed with an extrusion plate (403), and the extrusion plate (403) is fixed with a plurality of convex teeth (404).
7. A static blasting shock hole prevention device according to claim 2, characterized in that: The directional mechanism (5) comprises a connecting part (501) rotatably connected to the outer side of the rod body (101), the connecting part (501) is fixed with a metal cylinder (502), two extrusion grooves (503) are formed in the metal cylinder (502), and the top end of the metal cylinder (502) is provided with an opening (504).