CN115406318A - Vibration-damping charging assembly for controlling peripheral blasting overexcavation of tunnel - Google Patents
Vibration-damping charging assembly for controlling peripheral blasting overexcavation of tunnel Download PDFInfo
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- CN115406318A CN115406318A CN202210964028.1A CN202210964028A CN115406318A CN 115406318 A CN115406318 A CN 115406318A CN 202210964028 A CN202210964028 A CN 202210964028A CN 115406318 A CN115406318 A CN 115406318A
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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-damping charge assembly for controlling peripheral overexcavation of a stratified rock 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 fuse filling assembly and the explosive filling assembly at two ends, the explosive fuse filling middle part is matched with the explosive filling assembly, so that synchronous filling of the emulsion explosive and the explosive fuse can be realized, the matching effect of the emulsion explosive and the explosive fuse is ensured while the rapid explosive filling is realized, and the emulsion explosive and the explosive fuse are synchronously filled into the blastholes drilled at the peripheral overexcavation construction position of the layered rock mass tunnel, so that the position of the emulsion explosive is not required to be adjusted through vibration, the explosive filling efficiency is further improved, the explosive filling treatment of a plurality of blastholes by the device is facilitated, and the peripheral excavation of the layered rock mass tunnel is controlled.
Description
Technical Field
The invention relates to the technical field of tunnel construction auxiliary equipment, in particular to a vibration-damping charging assembly for controlling peripheral blasting overexcavation of a tunnel.
Background
The stratified rock mass is sedimentary rock, metamorphic rock and volcanic rock mass with a stratified structure. In stratified rock mass, bedding, lamellas, etc. are the major structural surfaces. When tunnel excavation construction is carried out on layered rock mass, in order to guarantee stability in the layered rock mass tunnel construction process, overexcavation construction needs to be carried out on the periphery of the tunnel, and in order to improve construction efficiency, overexcavation construction is carried out in a blasting construction mode in the prior art.
The emulsion explosive is a water-in-oil emulsion explosive 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 beads and the like under the action of an emulsifier, and is a novel industrial explosive developed in the 70 s of the 20 th century.
When the tunnel peripheral overexcitation is performed, blasting construction is performed by adopting a mode of detonating an index explosive emulsion in the prior art, blasting needs to be performed by firstly drilling a blasthole, then simultaneously loading an emulsion explosive and a detonating cord into the blasthole, then detonating the emulsion explosive through the detonating cord, and in order to ensure the detonation effect of the detonating cord on the emulsion explosive, the detonating cord and the emulsion explosive are required to be attached, however, because the emulsion explosive is of a columnar structure and the detonating cord is of a strip structure, after the emulsion explosive and the detonating cord are loaded into the blasthole, in order to ensure the attachment effect of the emulsion explosive and the detonating cord, fine adjustment of the position between the emulsion explosive and the detonating cord needs to be performed, generally, the position of the emulsion explosive is adjusted by applying a small acting force to the emulsion explosive to vibrate and shift the emulsion explosive, but the position of the emulsion explosive is uncontrollable when the emulsion explosive is adjusted by using a vibration method, the explosive loading efficiency is low, in order to realize the control of the peripheral overexcitation of the layered rock tunnel, the multiple blastholes are often required to be respectively loaded, and the position adjustment of the emulsion explosive in each blasthole is not beneficial to the construction. Therefore, it is necessary to develop a vibration-damping charge assembly for controlling the overexcavation of the perimeter of the stratified rock mass tunnel to solve the above problems.
Disclosure of Invention
The invention aims to provide a vibration-damping charge assembly for controlling the peripheral overexcavation of a stratified rock tunnel so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a vibration-damping charge assembly for controlling the peripheral overexcavation of a stratified rock mass tunnel comprises a charge guiding assembly, an explosive cord filling assembly, an explosive filling assembly and a driving assembly, wherein the explosive cord filling assembly is arranged at the lower end of the charge guiding assembly, the explosive filling assembly is arranged at the upper end of the charge guiding assembly, and the driving assembly is arranged on one side of the charge guiding assembly;
the explosive guiding assembly comprises an explosive fuse guide rail and an explosive guide rail, the upper surface of the explosive fuse guide rail is fixedly connected with the lower surface of the explosive guide rail, the explosive fuse guide rail and the explosive guide rail are both set to be L-shaped structures, the corners of the explosive fuse guide rail and the explosive guide rail are both set to be arc-shaped structures, and one end of the lower surface of the explosive fuse 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, one side of the top end of the fixing frame is fixedly connected with a supporting frame, the supporting frame is in 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, the supporting frame is of a hollow triangular prism structure, the middle 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 driving motor is fixedly connected with the middle part of the outer side wall of the supporting frame, and an output shaft of the driving motor is fixedly connected with a driving belt pulley.
Preferably, the lower surface middle part of explosive fuse guide rail has seted up the explosive fuse guide way, the upper surface middle part of explosive guide rail is provided with the explosive guide way, explosive fuse guide way and explosive guide way all set up to the arc structure, the support arm of two symmetric distributions of the lateral surface fixedly connected with of explosive guide rail, the bottom of support arm and the lateral surface top fixed connection of explosive fuse guide rail.
Preferably, there is the adjustable shelf inboard bottom of mount through round pin axle swing joint, there is the pinch roller inboard top of adjustable shelf through bearing swing joint, the equal fixedly connected with of lateral wall of pinch roller and drive wheel is a plurality of anti-skidding sand grips that are the annular array and distribute.
Preferably, the middle part of the inner side of the movable frame is fixedly connected with a positioning plate, the middle part of the outer side of the positioning plate is fixedly connected with a compression spring, and one end of the compression spring is fixedly connected with the middle part of the inner side wall of the support frame.
Preferably, there are two symmetric distributions's movable rod in the inboard bottom of adjustable shelf through bearing swing joint, the one end fixedly connected with conduit of movable rod, the lateral surface middle part fixedly connected with driving pulley of drive wheel, driving pulley is located the outside of mount, the one end fixedly connected with extension plate 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 the 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 of a triangular structure, and grooves of arc structures are formed in the top ends of the insertion blocks.
Preferably, two bracing pieces of inboard fixedly connected with of inserted block, the one end of bracing piece and the inside wall one end fixed connection of extension board, the lateral surface middle part fixedly connected with support frame of mount, the support frame sets up to "Contraband" 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 of an annular structure, the cross section of the groove is of an arc structure, and the bottom of the groove is fixedly connected with a plurality of anti-skid convex strips distributed in an annular array.
Preferably, the middle part of the outer side of the roller is fixedly connected with a connecting belt pulley, the connecting belt pulley is located on the outer side of the supporting frame, the top end of the inner side wall of the supporting frame is movably connected with an auxiliary wheel through a bearing, and the roller and the auxiliary wheel are both located above the explosive guide groove.
Preferably, the lateral surface top fixedly connected with slide rail of explosive fuse guide rail, the inboard plug-in connection of slide rail has the locating rack, the locating rack sets up to "U" shape structure, the both sides bottom middle part of locating rack has all been run through and has been seted up the spacing groove, the stopper of the top fixedly connected with and the spacing groove looks adaptation of slide rail, the lateral surface swing joint of spring and explosive fuse guide rail is passed through to the lower surface of locating rack, there is the transfer line top of locating rack through bearing swing joint, the one end fixedly connected with tensioning pulley of transfer line, connect through the driving belt transmission between tensioning pulley, driving pulley, the connecting pulley and the driving pulley and be connected.
The invention has the technical effects and advantages that:
1. according to the invention, the explosive guide assembly is arranged, the two ends of the explosive guide assembly are respectively provided with the explosive fuse filling assembly and the explosive filling assembly, the explosive fuse filling middle part is matched with the explosive filling assembly, so that the synchronous filling of the emulsion explosive and the explosive fuse can be realized, the matching effect of the emulsion explosive and the explosive fuse is ensured while the rapid explosive filling is realized, and the emulsion explosive and the explosive fuse are synchronously filled into the blastholes drilled at the peripheral overexcavation construction position of the layered rock mass tunnel, so that the position of the emulsion explosive is not required to be adjusted through vibration, the explosive filling efficiency is further improved, the explosive filling treatment of a plurality of blastholes by the device is facilitated, and the peripheral excavation of the layered rock mass tunnel is controlled;
2. according to the invention, the detonating cord filling assembly is arranged, the detonating cord filling assembly comprises the driving wheel and the pressing wheel, the driving wheel and the pressing wheel are matched, and the detonating cord can be driven to move, so that the filling of the detonating cord can be realized;
3. according to the invention, the explosive loading assembly is arranged and comprises the supporting frame with the adjustable position, and the positions of the roller and the auxiliary wheel can be adjusted by adjusting the position of the supporting frame, so that the roller can be used for traction loading of emulsion explosives with various specifications, and the device can be suitable for various emulsion explosives.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the present invention in positional relationship to a detonating cord loading assembly;
FIG. 3 is a schematic view of a drug delivery assembly of the present invention;
FIG. 4 is a schematic side view of a drug delivery assembly of the present invention;
FIG. 5 is a schematic view of the tensioner pulley of the present invention;
fig. 6 is a schematic structural view of a detonating cord loading assembly of the present invention;
FIG. 7 is a schematic view of the construction of the pinch roller of the present invention;
FIG. 8 is a schematic view of the structure of the insert block of the present invention;
FIG. 9 is a schematic structural view of an explosive loading assembly of the present invention;
fig. 10 is a schematic view of the structure of the handle of the present invention.
In the figure: 1. a drug delivery assembly; 2. a detonating cord loading assembly; 3. an explosive loading assembly; 4. a drive assembly; 101. a detonating cord guide rail; 102. an explosive guide rail; 103. connecting blocks; 104. a detonating cord guide groove; 105. an explosive guide groove; 106. a support arm; 201. a fixed mount; 202. a support frame; 203. a drive wheel; 204. a movable frame; 205. a pinch roller; 206. positioning a 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. inserting a tube; 215. locking the bolt; 216. inserting a block; 217. a groove; 218. a support bar; 219. a support frame; 220. a handle; 301. a support frame; 302. inserting plates; 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 limiting groove; 406. a transmission rod; 407. a tensioning pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a vibration-damping charge assembly for controlling peripheral overexcavation of a stratified rock mass tunnel as shown in figures 1 to 10, which comprises a charge guiding assembly 1, a detonating cord filling assembly 2, an explosive filling assembly 3 and a driving assembly 4, wherein the detonating cord filling assembly 2 is arranged at the lower end of the charge guiding assembly 1, the explosive filling assembly 3 is arranged at the upper end of the charge guiding assembly 1, and the driving assembly 4 is arranged at one side of the charge guiding assembly 1;
the explosive guiding component 1 comprises an explosive guiding rail 101 and an explosive guiding rail 102, wherein the upper surface of the explosive guiding rail 101 is fixedly connected with the lower surface of the explosive guiding rail 102, the explosive guiding rail 102 and the explosive guiding rail 101 are both arranged to be L-shaped structures, the corners of the explosive guiding rail 102 and the explosive guiding rail 101 are both arranged to be arc-shaped structures, and the arc-shaped structures can achieve a better guiding effect;
specifically, one end of the lower surface of an explosive fuse guide rail 101 is fixedly connected with two connecting blocks 103 which are symmetrically distributed, the middle part of the lower surface of the explosive fuse guide rail 101 is provided with an explosive fuse guide groove 104, the middle part of the upper surface of the explosive guide rail 102 is provided with an explosive guide groove 105, the explosive fuse guide groove 104 and the explosive guide groove 105 are both arranged into arc structures, the outer side surface of the explosive guide rail 102 is fixedly connected with two support arms 106 which are symmetrically distributed, and the bottom ends of the support arms 106 are fixedly connected with the top end of the outer side surface of the explosive fuse guide rail 101;
the detonating cord filling assembly 2 comprises a fixed frame 201, the top end of the fixed frame 201 is fixedly connected with the bottom end of the connecting block 103, one side of the top end of the fixed frame 201 is fixedly connected with a supporting frame 202, the supporting frame 202 is set to be of a U-shaped structure, the top end of the inner side of the fixed frame 201 is movably connected with a driving wheel 203 through a bearing, the bottom end of the inner side of the fixed frame 201 is movably connected with a movable frame 204 through a pin shaft, the top end of the inner side 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 both fixedly connected with a plurality of antiskid raised lines distributed in an annular array manner, and the driving effect of the driving wheel 203 on the detonating cord can be improved through the arrangement of the antiskid raised lines;
specifically, the middle part of the inner side of the movable frame 204 is fixedly connected with a positioning plate 206, the middle part of the outer side of the positioning plate 206 is fixedly connected with a compression spring 207, one end of the compression spring 207 is fixedly connected with the middle part of the inner side wall of the supporting frame 202, the bottom end of the inner side of the movable frame 204 is movably connected with two movable rods 208 which are symmetrically distributed through bearings, one end of each movable rod 208 is fixedly connected with a conduit 209, the middle part of the outer side surface of the driving wheel 203 is fixedly connected with a transmission belt pulley 210, and the transmission belt pulley 210 is positioned 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 set to be in an L-shaped structure, the hanging rod 213 can play a hanging and supporting role in hanging a winding roller wound with an explosion wire, and the L-shaped structure can effectively prevent the winding roller from sliding;
moreover, the middle parts of the two sides of the fixing frame 201 are fixedly connected with insertion tubes 214, locking bolts 215 are inserted and connected in screw holes formed in the middle part of the outer side of the insertion tubes 214, an insertion block 216 is arranged at one end of the fixing frame 201, the insertion block 216 is set to be of a triangular structure, a groove 217 of an arc structure is formed in the top end of the insertion block 216, two supporting rods 218 are fixedly connected to the inner side of the insertion block 216, one end of each supporting rod 218 is fixedly connected with one end of the inner side wall of the extension plate 211, a supporting frame 219 is fixedly connected to the middle part of the outer side surface of the fixing frame 201, the supporting frame 219 is set to be of a structure of 'Contraband', a handle 220 is fixedly connected to the middle part of the outer side of the supporting frame 219, and the arrangement of the handle 220 facilitates the movement of the device;
the explosive loading assembly 3 comprises a supporting frame 301, the supporting frame 301 is set to be of a hollow triangular prism structure, an inserting plate 302 is fixedly connected to the middle of the outer side face of the supporting frame 301, the bottom end of the inner side wall of the supporting frame 301 is movably connected with a roller 303 through a bearing, a groove 304 of an annular structure is formed in the middle of the outer side face of the roller 303, the cross section of the groove 304 is set to be of an arc structure, a plurality of anti-skid convex strips distributed in an annular array are fixedly connected to the bottom of the groove 304, and the pushing effect of the roller 303 on emulsion explosives can be improved due to the arrangement of protective convex strips;
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 on the outer side of the support frame 301, the top end of the inner side wall of the support frame 301 is movably connected with an auxiliary wheel 306 through a bearing, the roller 303 and the auxiliary wheel 306 are both positioned above the explosive guide groove 105, and the auxiliary wheel 306 can limit 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 blast hole;
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 support 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 slide rail 403, the inner side of the slide rail 403 is connected with a positioning frame 404 in an inserting manner, the positioning frame 404 is set to be of a U-shaped structure, the middle parts of the bottom ends of two sides of the positioning frame 404 are respectively penetrated with a limiting groove 405, the top end of the slide rail 403 is fixedly connected with a limiting block matched with the limiting groove 405, the limiting block is matched with the limiting groove 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 enabled to receive an outward acting force, the positioning frame 404 drives a tensioning belt pulley 407, and the tensioning belt pulley 407 acts on a driving belt, and can keep the driving belt in a tensioned state;
specifically, the top end of the positioning frame 404 is movably connected with a transmission rod 406 through a bearing, one end of the transmission rod 406 is fixedly connected with a tension belt pulley 407, the transmission belt pulley 310, the connecting belt pulley 305 and the driving belt pulley 402 are in transmission connection through a transmission belt, in the movement process of the roller 303, the roller 303 drives the transmission belt to move, at the moment, the position of the tension belt pulley 407 is changed adaptively, and the transmission effect of the transmission belt is ensured.
When the device is used, a winding roller wound with an explosive fuse is hung on the outer side of a hanging rod 213, then the explosive fuse is pulled, one end of the explosive fuse moves to one end of an explosive guide component 1, then an insertion block at one end of an explosive fuse filling component 2 is inserted into a blasthole through a handle 220 moving device, at the moment, a driving wheel 203 and a roller 303 are driven by a driving component 4 to rotate, emulsion explosive is placed into an explosive guide groove 105, the driving wheel 203 drives an explosive guide pipe to move, the roller 202 drives the emulsion explosive to move, so that the explosive guide pipe and the emulsion explosive are synchronously filled into the blasthole drilled at the peripheral overexcavation construction position of a layered tunnel, and the explosive filling work can be completed;
in the process of drawing the detonating cord, the top end of the movable frame 204 is pulled to enable the movable frame 204 to rotate around the pin shaft, the movable frame 204 drives the pinch roller 205 to move, the pinch roller 205 is separated from the driving wheel 203, the detonating cord penetrates through the conduit 209, and the detonating cord penetrates between the pinch roller 205 and the driving wheel 203, so that the drawing placement of the detonating cord can be realized;
the device realizes synchronous loading of the detonating cord and the emulsion explosive, and the emulsion explosive and the detonating cord are kept in a joint state when entering the blasthole, so that the emulsion explosive and the detonating cord can be ensured to be always in a joint state, the position of the emulsion explosive does not need to be adjusted after the explosive loading is finished, the explosive loading efficiency is improved, the emulsion explosive and the detonating cord can be quickly loaded, the explosive loading time can be saved, the device can finish the explosive loading work in a plurality of blastholes in a short time, the explosive loading amount in the blastholes at different positions can be adjusted according to the plan of overexcavation at the periphery of the layered rock tunnel, and the control on the excavation at the periphery 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 inserting plate 302, the limit of the inserting plate 302 is released, the position of the inserting plate 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 wheel 407 is adaptively changed, and the transmission effect of the transmission belt is ensured.
Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The vibration-damping charge assembly for controlling the overexcavation of the periphery of the stratified rock tunnel is characterized by comprising a charge guiding 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 charge guiding assembly (1), the explosive charging assembly (3) is arranged at the upper end of the charge guiding assembly (1), and the driving assembly (4) is arranged at one side of the charge guiding assembly (1);
the explosive guiding component (1) comprises an explosive guiding rail (101) and an explosive guiding rail (102), the upper surface of the explosive guiding rail (101) is fixedly connected with the lower surface of the explosive guiding rail (102), the explosive guiding rail (101) and the explosive guiding rail (102) are both arranged to be L-shaped structures, corners of the explosive guiding rail (101) and corners of the explosive guiding rail (102) are both arranged to be arc-shaped structures, and one end of the lower surface of the explosive guiding rail (101) is fixedly connected with two symmetrically distributed connecting blocks (103);
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), one side of the top end of the fixing frame (201) is fixedly connected with a supporting frame (202), the supporting frame (202) is arranged to be of a U-shaped structure, and the top end of the inner side of the fixing frame (201) is movably connected with a driving wheel (203) through a bearing;
the explosive loading assembly (3) comprises a supporting frame (301), the supporting frame (301) is of a hollow triangular prism structure, an inserting plate (302) is fixedly connected to the middle of the outer side face of the supporting frame (301), and the bottom end of the inner side wall of the supporting frame (301) is movably connected with a roller (303) through a bearing;
drive assembly (4), drive assembly (4) include driving motor (401), driving motor (401) and the lateral wall middle part fixedly connected with of support frame (202), the output shaft fixedly connected with drive pulley (402) of driving motor (401).
2. The damping charge assembly for controlling the overexcavation of the periphery of the stratified rock tunnel according to claim 1, wherein: detonating cord guide way (104) have been seted up at the lower surface middle part of detonating cord guide rail (101), the upper surface middle part of explosive guide rail (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, lateral surface fixedly connected with two symmetric distribution's of explosive guide rail (102) support arm (106), the bottom of support arm (106) and the lateral surface top fixed connection of detonating cord guide rail (101).
3. A vibration-damping charge assembly for controlling overexcavation of a stratified rock mass tunnel perimeter as defined in claim 2, wherein: the inboard bottom of mount (201) has adjustable shelf (204) through round pin axle swing joint, the inboard top of adjustable shelf (204) has pinch roller (205) through bearing swing joint, the equal fixedly connected with of lateral wall of pinch roller (205) and drive wheel (203) is a plurality of anti-skidding sand grips that are the annular array and distribute.
4. A vibration-damping charge assembly for controlling overexcavation of a stratified rock mass tunnel perimeter as defined in claim 3 wherein: the utility model discloses a supporting frame, including the inboard middle part fixedly connected with locating plate (206) of adjustable shelf (204), the outside middle part fixedly connected with pressure spring (207) of locating plate (206), the one end of pressure spring (207) and the inside wall middle part fixed connection of support frame (202).
5. A vibration-damping charge assembly for controlling the overexcavation of the periphery of a stratified rock mass tunnel according to claim 4, wherein: the utility model discloses a fixing device for a motor vehicle, including activity frame (204), one end fixedly connected with conduit (209) of activity rod (208), lateral surface middle part fixedly connected with driving pulley (210) of drive wheel (203), driving pulley (210) are located the outside of mount (201), the 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-damping charge assembly for controlling overexcavation of the periphery of a stratified rock tunnel according to claim 5, wherein: 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 in screw holes formed in the middle parts of the outer sides of the insertion pipes (214), an insertion block (216) is arranged at one end of the fixing frame (201), the insertion block (216) is of a triangular structure, and a groove (217) of an arc structure is formed in the top end of the insertion block (216).
7. A vibration-damping charge assembly for controlling overexcavation of a stratified rock tunnel periphery as defined in claim 6, wherein: two bracing pieces (218) of inboard fixedly connected with of inserted block (216), the one end of bracing piece (218) and the inside wall one end fixed connection of extension board (211), lateral surface middle part fixedly connected with support frame (219) of mount (201), support frame (219) set up to "Contraband" shape structure, the outside middle part fixedly connected with handle (220) of support frame (219).
8. A vibration-damping charge assembly for controlling overexcavation of a stratified rock mass tunnel perimeter as defined in claim 7 wherein: the utility model discloses a rolling wheel, including gyro wheel (303), the lateral surface of gyro wheel (303) is seted up in the middle part the recess (304) of annular structure, the cross-section of recess (304) sets up to the arc structure, the tank bottom fixedly connected with of recess (304) is a plurality of anti-skidding sand grips that are the annular array and distribute.
9. The damping charge assembly for controlling the overexcavation of the periphery of the stratified rock tunnel according to claim 8, wherein: the explosive powder explosive filling machine is characterized in that a connecting belt pulley (305) is fixedly connected to the middle of the outer side of the roller (303), the connecting belt pulley (305) is located on the outer side of the supporting frame (301), an auxiliary wheel (306) is movably connected to the top end of the inner side wall of the supporting frame (301) through a bearing, and the roller (303) and the auxiliary wheel (306) are located above the explosive guide groove (105).
10. A vibration-damping charge assembly for controlling overexcavation of a stratified rock mass tunnel perimeter as defined in claim 9 wherein: the utility model discloses a detonator cord guide rail, including leading explosive cable guide rail (101), lateral surface top fixedly connected with slide rail (403) of leading explosive cable guide rail (101), the inboard plug-in connection of slide rail (403) has locating rack (404), locating rack (404) set up to "U" shape structure, spacing groove (405) have all been seted up in the middle part of the both sides bottom of locating rack (404), the top fixedly connected with of slide rail (403) and the stopper of spacing groove (405) looks adaptation, the lateral surface swing joint of spring and leading explosive cable guide rail (101) is passed through to the lower surface of locating rack (404), the top of locating rack (404) has transfer line (406) through bearing swing joint, the one end fixedly connected with tensioning pulley (407) of transfer line (406), connect through the drive belt transmission between tensioning pulley (407), drive pulley (310), connection pulley (305) and drive pulley (402).
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115406318A true CN115406318A (en) | 2022-11-29 |
| CN115406318B 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 |
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| CN115406318B (en) | 2023-05-26 |
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