CN115406318B - Vibration reduction charging assembly for controlling tunnel periphery blasting over-excavation - Google Patents
Vibration reduction charging assembly for controlling tunnel periphery blasting over-excavation Download PDFInfo
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- CN115406318B CN115406318B CN202210964028.1A CN202210964028A CN115406318B CN 115406318 B CN115406318 B CN 115406318B CN 202210964028 A CN202210964028 A CN 202210964028A CN 115406318 B CN115406318 B CN 115406318B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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Abstract
The invention discloses a vibration reduction charging assembly for controlling overexcitation of the periphery of a layered rock mass tunnel, and relates to the technical field of tunnel construction auxiliary equipment. According to the invention, the explosive guide assembly is arranged, the explosive guide assembly is respectively provided with the explosive guide rope loading assembly and the explosive loading assembly at the two ends, the explosive guide rope loading middle is matched with the explosive loading assembly, so that the synchronous loading of the emulsion explosive and the explosive guide rope can be realized, the rapid loading is realized, the matching effect of the emulsion explosive and the explosive guide rope is ensured, and the emulsion explosive and the explosive guide rope are synchronously loaded into the blastholes drilled at the overexcavation construction position around the layered rock tunnel, so that the position of the emulsion explosive is not required to be adjusted through vibration, the loading efficiency is improved, and the device is convenient for loading a plurality of blastholes so as to control the peripheral excavation of the layered rock tunnel.
Description
Technical Field
The invention relates to the technical field of tunnel construction auxiliary equipment, in particular to a vibration reduction charging assembly for controlling blasting over-excavation around a tunnel.
Background
The layered rock mass is sedimentary rock, parametamorphic rock and volcanic rock mass with layered structure. In layered rock mass, bedding, lamellar etc. are its main structural planes. When the tunnel excavation construction is carried out on the layered rock mass, the tunnel periphery is required to be subjected to the overexcavation construction in order to ensure the stability in the tunnel construction process of the layered rock mass, and the overexcavation construction is carried out in a blasting construction mode in the prior art in order to improve the construction efficiency.
The emulsion explosive is a novel industrial explosive developed in the 70 th century, and is formed by uniformly dispersing microdroplets of an oxidant salt aqueous solution in an oil-phase continuous medium containing porous substances such as dispersed bubbles or hollow glass microspheres by virtue of the action of an emulsifier to form a water-in-oil type emulsion explosive.
When blasting construction is carried out on the peripheral super-excavation of the tunnel, in the prior art, the blasting construction is carried out in a manner of detonating the emulsion explosive by adopting the detonating cord, the blasthole is drilled firstly, then the emulsion explosive and the detonating cord are simultaneously installed in the blasthole, then the emulsion explosive is detonated by adopting the detonating cord, in order to ensure the detonating effect of the detonating cord on the emulsion explosive, the detonating cord is required to be attached to the emulsion explosive, but because the detonating cord is of a columnar structure, and the detonating cord is of a strip-shaped structure, after the detonating cord is installed in the blasthole, the positions between the emulsion explosive and the detonating cord are required to be finely adjusted, generally, the positions of the emulsion explosive and the detonating cord are adjusted by applying small acting force to the emulsion explosive, but the vibration method is used for adjusting the positions of the emulsion explosive to have uncontrollability, and the charging efficiency is low, so that the emulsion explosive in each blasthole is required to be respectively charged, and a large amount of time is required to be required for respectively vibrating the positions of the emulsion explosive in each blasthole, and the construction is not beneficial. Therefore, it is necessary to invent a vibration-damping charge assembly for controlling overexcitation around a layered rock mass tunnel to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a vibration reduction charging assembly for controlling overexcavation of the periphery of a layered rock mass tunnel so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the vibration reduction charging assembly comprises a medicine guide assembly, a detonating cord charging assembly, an explosive charging assembly and a driving assembly, wherein the detonating cord charging assembly is arranged at the lower end of the medicine guide assembly, the explosive charging assembly is arranged at the upper end of the medicine guide assembly, and the driving assembly is arranged at one side of the medicine guide assembly;
the explosive guide assembly comprises an explosive guide rail and an explosive guide rail, wherein the upper surface of the explosive guide rail is fixedly connected with the lower surface of the explosive guide rail, the explosive guide rail and the explosive guide rail are both in an L-shaped structure, the corners of the explosive guide rail and the explosive guide rail are both in arc-shaped structures, and one end of the lower surface of the explosive guide rail is fixedly connected with two symmetrically distributed connecting blocks;
the detonating cord filling assembly comprises a fixing frame, the top end of the fixing frame is fixedly connected with the bottom end of the connecting block, a supporting frame is fixedly connected to one side of the top end of the fixing frame, the supporting frame is of a U-shaped structure, and the top end of the inner side of the fixing frame is movably connected with a driving wheel through a bearing;
the explosive loading assembly comprises a supporting frame, wherein the supporting frame is of a hollow triangular prism structure, the middle part of the outer side surface of the supporting frame is fixedly connected with an inserting plate, and the bottom end of the inner side wall of the supporting frame is movably connected with a roller through a bearing;
the driving assembly comprises a driving motor, the middle part of the outer side wall of the driving motor and the middle part of the outer side wall of the supporting frame are fixedly connected with each other, and the output shaft of the driving motor is fixedly connected with a driving belt pulley.
Preferably, the detonating cord guide way has been seted up at the lower surface middle part of detonating cord guide way, the upper surface middle part of explosive guide way is provided with the explosive guide way, detonating cord guide way and explosive guide way all set up to the arc structure, the lateral surface fixedly connected with two symmetrical distribution's of explosive guide way support arm, the bottom of support arm and the lateral surface top fixed connection of detonating cord guide way.
Preferably, the inner bottom end of the fixing frame is movably connected with a movable frame through a pin shaft, the inner top end of the movable frame is movably connected with a pressing wheel through a bearing, and the outer side walls of the pressing wheel and the driving wheel are fixedly connected with a plurality of anti-slip convex strips distributed in an annular array.
Preferably, the locating plate is fixedly connected to the middle part of the inner side of the movable frame, the compression spring is fixedly connected to the middle part of the outer side of the locating plate, and one end of the compression spring is fixedly connected with the middle part of the inner side wall of the support frame.
Preferably, the inboard bottom of movable frame is through bearing swing joint two symmetrical distribution's movable rod, the one end fixedly connected with conduit of movable rod, the lateral surface middle part fixedly connected with drive pulley of drive wheel, drive pulley is located the outside of mount, the one end fixedly connected with extension board of mount, the lateral surface bottom fixedly connected with support arm of mount, the inboard bottom fixedly connected with peg of support arm, the peg sets up to "L" shape structure.
Preferably, the middle parts of two sides of the fixing frame are fixedly connected with insertion pipes, locking bolts are inserted and connected in screw holes formed in the middle parts of the outer sides of the insertion pipes, an insertion block is arranged at one end of the fixing frame and is arranged to be of a triangular structure, and grooves of arc structures are formed in the top ends of the insertion blocks.
Preferably, the inboard fixedly connected with two bracing pieces of inserted block, the one end of bracing piece and the inside wall one end fixedly connected with of extension board, the lateral surface middle part fixedly connected with support frame of mount, the support frame sets up to "" shape structure, the outside middle part fixedly connected with handle of support frame.
Preferably, the middle part of the outer side surface of the roller is provided with a groove with an annular structure, the section of the groove is provided with an arc-shaped structure, and the bottom of the groove is fixedly connected with a plurality of anti-slip convex strips distributed in an annular array.
Preferably, the outside middle part fixedly connected with connection belt pulley of gyro wheel, connection belt pulley is located the outside of carriage, the inside wall top of carriage has the auxiliary wheel through bearing swing joint, gyro wheel and auxiliary wheel all are located the top of explosive guide slot.
Preferably, the lateral surface top fixedly connected with slide rail of detonating cord guide rail, the inboard plug connection of slide rail has the locating rack, the locating rack sets up to "U" shape structure, the spacing groove has all been seted up in the middle part of the both sides bottom of locating rack, the top fixedly connected with of slide rail and the stopper of spacing groove looks adaptation, the lower surface of locating rack passes through the lateral surface swing joint of spring and detonating cord guide rail, the top of locating rack has the transfer line through bearing swing joint, the one end fixedly connected with tensioning belt pulley of transfer line, pass through drive belt transmission connection between tensioning belt pulley, drive belt pulley, connection belt pulley and the drive belt pulley.
The invention has the technical effects and advantages that:
1. according to the invention, the explosive guide assembly is arranged, the explosive guide assembly is respectively provided with the explosive guide rope loading assembly and the explosive loading assembly at the two ends, the explosive guide rope loading middle is matched with the explosive loading assembly, so that the synchronous loading of the emulsion explosive and the explosive guide rope can be realized, the rapid loading is realized, the matching effect of the emulsion explosive and the explosive guide rope is ensured, and the emulsion explosive and the explosive guide rope are synchronously loaded into the blastholes drilled at the overexcavation construction position around the layered rock tunnel, so that the position of the emulsion explosive is not required to be adjusted through vibration, the loading efficiency is improved, and the device is convenient for loading a plurality of blastholes so as to control the peripheral excavation of the layered rock tunnel;
2. the detonating cord filling assembly is arranged, and comprises a driving wheel and a pressing wheel, wherein the driving wheel is matched with the pressing wheel and can drive the detonating cord to move, so that the detonating cord can be filled;
3. according to the invention, the explosive filling assembly is arranged, the explosive filling assembly comprises the supporting frame with the adjustable position, and the positions of the idler wheels and the auxiliary wheels can be adjusted by adjusting the positions of the supporting frame, so that the idler wheels can carry out traction filling on emulsion explosives with various specifications, and the device can be suitable for various emulsion explosives.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram showing the positional relationship between a drug guide assembly and a detonating cord loading assembly according to the present invention;
FIG. 3 is a schematic diagram of a drug delivery assembly according to the present invention;
FIG. 4 is a schematic side view of the structure of the drug delivery assembly of the present invention;
FIG. 5 is a schematic diagram of a tensioner pulley of the present invention;
FIG. 6 is a schematic view of the detonating cord loading assembly of the present invention;
FIG. 7 is a schematic view of the pinch roller of the present invention;
FIG. 8 is a schematic diagram of a plug structure according to the present invention;
FIG. 9 is a schematic view of the explosive loading assembly of the present invention;
FIG. 10 is a schematic view of the handle structure of the present invention.
In the figure: 1. a drug delivery assembly; 2. detonating cord loading assembly; 3. an explosive loading assembly; 4. a drive assembly; 101. detonating cord guide rails; 102. an explosive guide rail; 103. a connecting block; 104. detonating cord guide slots; 105. an explosive guide groove; 106. a support arm; 201. a fixing frame; 202. a support frame; 203. a driving wheel; 204. a movable frame; 205. a pinch roller; 206. a positioning plate; 207. a compression spring; 208. a movable rod; 209. a conduit; 210. a drive pulley; 211. an extension plate; 212. a support arm; 213. a hanging rod; 214. a cannula; 215. a locking bolt; 216. inserting blocks; 217. a groove; 218. a support rod; 219. a support frame; 220. a handle; 301. a support frame; 302. inserting plate; 303. a roller; 304. a groove; 305. connecting a belt pulley; 306. an auxiliary wheel; 401. a drive motor; 402. a drive pulley; 404. a slide rail; 404. a positioning frame; 405. a limit groove; 406. a transmission rod; 407. tensioning the pulley.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a vibration reduction charging assembly for controlling the overexcitation of the periphery of a layered rock tunnel, which is shown in fig. 1 to 10, and comprises a explosive guide assembly 1, an explosive charging assembly 2, an explosive charging assembly 3 and a driving assembly 4, wherein the explosive charging assembly 2 is arranged at the lower end of the explosive guide assembly 1, the explosive charging assembly 3 is arranged at the upper end of the explosive guide assembly 1, and the driving assembly 4 is arranged at one side of the explosive guide assembly 1;
the explosive guide assembly 1, the explosive guide assembly 1 comprises an explosive guide rail 101 and an explosive guide rail 102, the upper surface of the explosive guide rail 101 is fixedly connected with the lower surface of the explosive guide rail 102, the explosive guide rail 101 and the explosive guide rail 102 are both in an L-shaped structure, the corners of the explosive guide rail 101 and the explosive guide rail 102 are both in an arc-shaped structure, and the arc-shaped structure can achieve a better guiding effect;
specifically, one end of the lower surface of the detonating cord guide rail 101 is fixedly connected with two symmetrically distributed connecting blocks 103, the middle part of the lower surface of the detonating cord guide rail 101 is provided with detonating cord guide grooves 104, the middle part of the upper surface of the explosive guide rail 102 is provided with explosive guide grooves 105, the detonating cord guide grooves 104 and the explosive guide grooves 105 are all of arc-shaped structures, the outer side surface of the explosive guide rail 102 is fixedly connected with two symmetrically distributed support arms 106, and the bottom ends of the support arms 106 are fixedly connected with the top ends of the outer side surfaces of the detonating cord guide rail 101;
the detonating cord filling assembly 2 comprises a fixing frame 201, the top end of the fixing frame 201 is fixedly connected with the bottom end of a connecting block 103, a supporting frame 202 is fixedly connected to one side of the top end of the fixing frame 201, the supporting frame 202 is of a U-shaped structure, the inner side top end of the fixing frame 201 is movably connected with a driving wheel 203 through a bearing, the inner side bottom end of the fixing frame 201 is movably connected with a movable frame 204 through a pin shaft, the inner side top end of the movable frame 204 is movably connected with a pressing wheel 205 through a bearing, the pressing wheel 205 and the outer side wall of the driving wheel 203 are fixedly connected with a plurality of anti-slip convex strips distributed in an annular array, and the driving effect of the driving wheel 203 on the detonating cord can be improved through the arrangement of the anti-slip convex strips;
specifically, a positioning plate 206 is fixedly connected to the middle part of the inner side of the movable frame 204, a compression spring 207 is fixedly connected to the middle part of the outer side of the positioning plate 206, one end of the compression spring 207 is fixedly connected to the middle part of the inner side wall of the supporting frame 202, two symmetrically distributed movable rods 208 are movably connected to the bottom end of the inner side of the movable frame 204 through bearings, a conduit 209 is fixedly connected to one end of each movable rod 208, a driving pulley 210 is fixedly connected to the middle part of the outer side surface of the driving wheel 203, and the driving pulley 210 is located on the outer side of the fixed frame 201;
more specifically, one end of the fixing frame 201 is fixedly connected with an extension plate 211, the bottom end of the outer side surface of the fixing frame 201 is fixedly connected with a supporting arm 212, the bottom end of the inner side of the supporting arm 212 is fixedly connected with a hanging rod 213, the hanging rod 213 is of an L-shaped structure, the hanging rod 213 can play a hanging supporting role on a winding roller wound with a detonating cord, and the winding roller can be effectively prevented from sliding down due to the arrangement of the L-shaped structure;
the middle parts of two sides of the fixing frame 201 are fixedly connected with insertion pipes 214, locking bolts 215 are inserted and connected into screw holes formed in the middle parts of the outer sides of the insertion pipes 214, one end of the fixing frame 201 is provided with insertion blocks 216, the insertion blocks 216 are of triangular structures, the top ends of the insertion blocks 216 are provided with grooves 217 of arc structures, the inner sides of the insertion blocks 216 are fixedly connected with two supporting rods 218, one ends of the supporting rods 218 are fixedly connected with one end of the inner side wall of the extension plate 211, the middle parts of the outer side faces of the fixing frame 201 are fixedly connected with supporting frames 219, the supporting frames 219 are of structures, the middle parts of the outer sides of the supporting frames 219 are fixedly connected with handles 220, and the arrangement of the handles 220 facilitates movement of the device;
the explosive loading assembly 3, the explosive loading assembly 3 comprises a supporting frame 301, the supporting frame 301 is of a hollow triangular prism structure, the middle part of the outer side surface of the supporting frame 301 is fixedly connected with a plugboard 302, the bottom end of the inner side wall of the supporting frame 301 is movably connected with a roller 303 through a bearing, the middle part of the outer side surface of the roller 303 is provided with a groove 304 of an annular structure, the section of the groove 304 is of an arc-shaped structure, the bottom of the groove 304 is fixedly connected with a plurality of anti-slip raised strips distributed in an annular array, and the arrangement of the anti-slip raised strips can promote the pushing effect of the roller 303 on emulsion explosives;
specifically, the middle part of the outer side of the roller 303 is fixedly connected with a connecting belt pulley 305, the connecting belt pulley 305 is positioned at the outer side of the supporting frame 301, the top end of the inner side wall of the supporting frame 301 is movably connected with an auxiliary wheel 306 through a bearing, the roller 303 and the auxiliary wheel 306 are positioned above the explosive guide groove 105, the auxiliary wheel 306 can play a limiting role on the emulsion explosive, so that the emulsion explosive can slide in the explosive guide groove, and the roller 303 can drive the emulsion explosive to move, so that the emulsion explosive is sent into a blasthole;
the driving assembly 4 comprises a driving motor 401, the middle part of the outer side wall of the driving motor 401 is fixedly connected with the middle part of the outer side wall of the supporting frame 202, an output shaft of the driving motor 401 is fixedly connected with a driving belt pulley 402, the top end of the outer side surface of the detonating cord guide rail 101 is fixedly connected with a sliding rail 403, the inner side of the sliding rail 403 is connected with a positioning frame 404 in a plugging manner, the positioning frame 404 is of a U-shaped structure, limiting grooves 405 are formed in the middle parts of the bottom ends of the two sides of the positioning frame 404 in a penetrating manner, the top end of the sliding rail 403 is fixedly connected with limiting blocks matched with the limiting grooves 405, the limiting blocks are matched with the limiting grooves 405, the positioning frame 404 can be limited, the positioning frame 404 is prevented from falling off, the lower surface of the positioning frame 404 is movably connected with the outer side surface of the detonating cord guide rail 101 through a spring, the spring acts on the positioning frame 404, the positioning frame 404 is subjected to outward acting force, the positioning frame 404 drives a tensioning belt pulley 407 to act on a driving belt pulley 407, and the driving belt pulley 407 acts on a driving belt, and the driving belt can be kept in a state of being stretched;
specifically, the top of locating rack 404 is through bearing swing joint having transfer line 406, and the one end fixedly connected with tensioning belt pulley 407 of transfer line 406 is connected through the transmission belt transmission between tensioning belt pulley 407, drive belt pulley 310, connection belt pulley 305 and the drive belt pulley 402, and at the in-process of gyro wheel 303 motion, gyro wheel 303 drives the drive belt motion, and the position of tensioning belt pulley 407 takes place adaptive change this moment, has guaranteed the transmission effect of drive belt.
When the device is used, a wind-up roller wound with a detonating cord is hung on the outer side of a hanging rod 213, then the detonating cord is pulled, one end of the detonating cord is enabled to move to one end of a medicine guide assembly 1, then a device is moved through a handle 220, an inserting block at one end of a detonating cord filling assembly 2 is enabled to be inserted into a blasthole, at the moment, a driving wheel 203 and a roller 303 are driven to rotate through a driving assembly 4, emulsion explosive is placed into an explosive guide groove 105, the driving wheel 203 drives the detonating tube to move, the roller 202 drives the emulsion explosive to move, and the detonating tube and the emulsion explosive are synchronously filled into the blasthole drilled at the overexcavation construction position around a layered rock tunnel, so that charging work can be completed;
in the process of pulling the detonating cord, the top end of the movable frame 204 is pulled, so that the movable frame 204 rotates around the pin shaft, the movable frame 204 drives the pressing wheel 205 to move, the pressing wheel 205 is separated from the driving wheel 203, the detonating cord passes through the conduit 209, and the detonating cord passes between the pressing wheel 205 and the driving wheel 203, so that the pulling and placement of the detonating cord can be realized;
according to the device, synchronous filling of the detonating cord and the emulsion explosive is realized, and the emulsion explosive and the detonating cord are kept in a bonding state when entering the blasthole, so that the emulsion explosive and the detonating cord are always in the bonding state, after filling is completed, the position of the emulsion explosive is not required to be adjusted, the filling efficiency is improved, the quick filling of the emulsion explosive and the detonating cord can be realized through the device, the filling time can be saved, the device can complete the filling work of a plurality of blastholes in a short time, the filling amounts of blastholes at different positions can be adjusted according to the overdrawing plan of the periphery of the layered rock tunnel, and the control of the periphery excavation of the layered rock tunnel can be realized;
when the position of the roller 303 is adjusted, the locking bolt 215 is rotated, so that one end of the locking bolt 215 is separated from the outer side wall of the plugboard 302, the limit of the plugboard 302 is released, the position of the plugboard 302 is adjusted, the position of the roller 303 can be adjusted, the roller 303 drives the transmission belt to move in the moving process of the roller 303, the position of the tensioning belt pulley 407 is adaptively changed, and the transmission effect of the transmission belt is guaranteed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The vibration reduction charging assembly is characterized by comprising a medicine guide assembly (1), a detonating cord charging assembly (2), an explosive charging assembly (3) and a driving assembly (4), wherein the detonating cord charging assembly (2) is arranged at the lower end of the medicine guide assembly (1), the explosive charging assembly (3) is arranged at the upper end of the medicine guide assembly (1), and the driving assembly (4) is arranged at one side of the medicine guide assembly (1);
the explosive guide assembly (1), the explosive guide assembly (1) comprises an explosive guide rail (101) and an explosive guide rail (102), the upper surface of the explosive guide rail (101) is fixedly connected with the lower surface of the explosive guide rail (102), the explosive guide rail (101) and the explosive guide rail (102) are both arranged into L-shaped structures, the corners of the explosive guide rail (101) and the explosive guide rail (102) are both arranged into arc-shaped structures, and one end of the lower surface of the explosive guide rail (101) is fixedly connected with two symmetrically distributed connecting blocks (103);
the detonating cord filling assembly (2), the detonating cord filling assembly (2) comprises a fixing frame (201), the top end of the fixing frame (201) is fixedly connected with the bottom end of a connecting block (103), a supporting frame (202) is fixedly connected to one side of the top end of the fixing frame (201), the supporting frame (202) is of a U-shaped structure, a driving wheel (203) is movably connected to the top end of the inner side of the fixing frame (201) through a bearing, a driving belt pulley (210) is fixedly connected to the middle of the outer side surface of the driving wheel (203), and the driving belt pulley (210) is located on the outer side of the fixing frame (201);
the explosive loading assembly (3), the explosive loading assembly (3) comprises a supporting frame (301), the supporting frame (301) is of a hollow triangular prism structure, a plugboard (302) is fixedly connected to the middle of the outer side face of the supporting frame (301), a roller (303) is movably connected to the bottom end of the inner side wall of the supporting frame (301) through a bearing, a connecting belt pulley (305) is fixedly connected to the middle of the outer side of the roller (303), and the connecting belt pulley (305) is located on the outer side of the supporting frame (301);
the driving assembly (4), the driving assembly (4) comprises a driving motor (401), the driving motor (401) is fixedly connected with the middle part of the outer side wall of the supporting frame (202), and the output shaft of the driving motor (401) is fixedly connected with a driving belt pulley (402);
the explosion-proof cable guide rail is characterized in that a sliding rail (403) is fixedly connected to the top end of the outer side face of the explosion-proof cable guide rail (101), a locating rack (404) is connected to the inner side of the sliding rail (403) in a plug-in mode, the locating rack (404) is of a U-shaped structure, limiting grooves (405) are formed in the middle of the bottom ends of two sides of the locating rack (404) in a penetrating mode, limiting blocks matched with the limiting grooves (405) are fixedly connected to the top end of the sliding rail (403), the lower surface of the locating rack (404) is movably connected with the outer side face of the explosion-proof cable guide rail (101) through springs, a transmission rod (406) is movably connected to the top end of the locating rack (404), and a tensioning belt pulley (407) is fixedly connected to one end of the transmission rod (406), and the tensioning belt pulley (407), the transmission belt pulley (210), the connecting belt pulley (305) and the driving belt pulley (402) are in transmission connection through a transmission belt.
2. A vibration-damped charge assembly for controlling overexcitation of a perimeter of a layered rock mass tunnel as recited in claim 1, wherein: detonating cord guide way (104) have been seted up at the lower surface middle part of detonating cord guide way (101), the upper surface middle part of explosive guide way (102) is provided with explosive guide way (105), detonating cord guide way (104) and explosive guide way (105) all set up to the arc structure, the lateral surface fixedly connected with two symmetrically distributed support arm (106) of explosive guide way (102), the bottom of support arm (106) and the lateral surface top fixed connection of detonating cord guide way (101).
3. A vibration-damped charge assembly for controlling overexcitation of a perimeter of a layered rock mass tunnel as recited in claim 2, wherein: the anti-slip device is characterized in that the movable frame (204) is movably connected to the bottom end of the inner side of the fixed frame (201) through a pin shaft, the pressing wheel (205) is movably connected to the top end of the inner side of the movable frame (204) through a bearing, and a plurality of anti-slip convex strips distributed in an annular array are fixedly connected to the outer side walls of the pressing wheel (205) and the driving wheel (203).
4. A vibration-damped charge assembly for controlling overexcitation of a perimeter of a layered rock mass tunnel according to claim 3, wherein: the movable frame is characterized in that a locating plate (206) is fixedly connected to the middle of the inner side of the movable frame (204), a compression spring (207) is fixedly connected to the middle of the outer side of the locating plate (206), and one end of the compression spring (207) is fixedly connected with the middle of the inner side wall of the supporting frame (202).
5. A vibration-damped charge assembly for controlling overexcitation of a layered rock mass tunnel perimeter as recited in claim 4, wherein: the utility model discloses a movable rack, including movable rack (204), support arm (212), peg (213) are connected with in inboard bottom through bearing swing joint, two symmetrical distribution's movable rod (208), one end fixedly connected with conduit (209) of movable rod (208), one end fixedly connected with extension board (211) of mount (201), lateral surface bottom fixedly connected with support arm (212) of mount (201), inboard bottom fixedly connected with peg (213) of support arm (212), peg (213) set up to "L" shape structure.
6. A vibration-damped charge assembly for controlling overexcitation of a layered rock mass tunnel perimeter as recited in claim 5, wherein: the fixing frame is characterized in that insertion pipes (214) are fixedly connected to the middle parts of two sides of the fixing frame (201), locking bolts (215) are inserted and connected into screw holes formed in the middle parts of the outer sides of the insertion pipes (214), insertion blocks (216) are arranged at one ends of the fixing frame (201), the insertion blocks (216) are arranged to be of triangular structures, and grooves (217) of arc structures are formed in the top ends of the insertion blocks (216).
7. A vibration-damped charge assembly for controlling overexcitation of a layered rock mass tunnel perimeter as recited in claim 6, wherein: the anti-slip roller is characterized in that a groove (304) with an annular structure is formed in the middle of the outer side face of the roller (303), the cross section of the groove (304) with the annular structure is of an arc-shaped structure, and a plurality of anti-slip convex strips distributed in an annular array are fixedly connected to the bottom of the groove (304) with the annular structure.
8. A vibration-damped charge assembly for controlling overexcitation of a layered rock mass tunnel perimeter as recited in claim 7, wherein: the top end of the inner side wall of the supporting frame (301) is movably connected with an auxiliary wheel (306) through a bearing, and the idler wheel (303) and the auxiliary wheel (306) are both positioned above the explosive guide groove (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964028.1A CN115406318B (en) | 2022-08-11 | 2022-08-11 | Vibration reduction charging assembly for controlling tunnel periphery blasting over-excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964028.1A CN115406318B (en) | 2022-08-11 | 2022-08-11 | Vibration reduction charging assembly for controlling tunnel periphery blasting over-excavation |
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| CN115406318A CN115406318A (en) | 2022-11-29 |
| CN115406318B true CN115406318B (en) | 2023-05-26 |
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| CN202210964028.1A Active CN115406318B (en) | 2022-08-11 | 2022-08-11 | Vibration reduction charging assembly for controlling tunnel periphery blasting over-excavation |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045078A1 (en) * | 2014-09-26 | 2016-03-31 | 石家庄成功机电有限公司 | In-site explosive loading truck for intrinsic safety-type emulsion explosive |
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| CN107677168A (en) * | 2017-10-26 | 2018-02-09 | 新疆天河化工有限公司 | On-site mixed emulsion auxiliary promotes injection rubber pipe device |
| CN209820298U (en) * | 2019-04-17 | 2019-12-20 | 山西师范大学 | Loader for mixed loading of emulsion explosive |
| CN215676720U (en) * | 2021-10-12 | 2022-01-28 | 甘肃久联爆破工程有限公司 | Supplementary unloader of on-spot loading truck that loads in mixture in pit |
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| CN115406318A (en) | 2022-11-29 |
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