CN112033247A - Negative pressure type blast hole slag removal device and method for tunnel surrounding rock blasting - Google Patents
Negative pressure type blast hole slag removal device and method for tunnel surrounding rock blasting Download PDFInfo
- Publication number
- CN112033247A CN112033247A CN202010922330.1A CN202010922330A CN112033247A CN 112033247 A CN112033247 A CN 112033247A CN 202010922330 A CN202010922330 A CN 202010922330A CN 112033247 A CN112033247 A CN 112033247A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- hole
- shell
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
Abstract
The invention discloses a negative pressure type blast hole slag removal device and a negative pressure type blast hole slag removal method for tunnel surrounding rock blasting, and relates to the technical field of tunnel construction. This a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting, including actuating mechanism, actuating mechanism's left side fixedly connected with support frame, actuating mechanism's surface has cup jointed adjustment mechanism, and adjustment mechanism's right side and the left side fixed connection of support frame, first recess has been seted up in adjustment mechanism's left side, the inner wall fixedly connected with fixed establishment of first recess. This a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting, inside the air current got into the second shell was followed to the dust in the big gun hole, cleared up the dust in the big gun hole to effectual having solved at present, when clearing up the dust in the big gun hole, mostly adopted the brush to clear up the dust in the big gun hole, but the rock is comparatively hard, when clearing up with the brush, the easy fish tail brush of rock, the problem that leads to the normal life reduction of brush.
Description
The invention relates to a divisional application of a negative pressure type blast hole slag removal device for tunnel surrounding rock blasting, which is applied for 08-28 th in 2018 and has the application number of CN 201810990536.0.
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a negative pressure type blast hole slag removal device and a slag removal method for tunnel surrounding rock blasting.
Background
In the blasting construction process of the tunnel, blast holes are arranged as the first working procedure, and the blasting, mining, loading and transportation of surrounding rocks are directly influenced by the quality of the work. Due to the influence of geological conditions and the diversity of ore rocks, drilled blast holes are sometimes blocked by rock dust falling around the hole opening or the hole wall. Cause stifled hole or useless hole, lead to the unable normal use of big gun hole, need punch again, consequently need clear up the waste residue in big gun hole.
At present, when clearing up the dust in the big gun hole, adopt the brush to clear up the dust in the big gun hole mostly, but the rock is comparatively hard, and when clearing up with the brush, the brush takes place the friction with the rock, and the easy fish tail brush of rock leads to the normal life of brush to reduce.
If chinese patent CN207007020U discloses a scarfing cinder device for tunnel country rock blasting big gun hole, clear up the waste residue in the big gun hole through spiral brush, make inside the waste residue discharge big gun hole, the rock is comparatively hard, and when clearing up with the brush, the brush takes place the friction with the rock, and the rock fish tail brush easily, makes the brush damage.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a negative pressure type blast hole slag removal device for tunnel surrounding rock blasting, which solves the problem that at present, when dust in a blast hole is cleaned, most of the dust in the blast hole is cleaned by a brush, but the rock is hard, when the dust is cleaned by a brush, the brush and the rock are rubbed, the rock is easy to scratch the brush, and the normal service life of the brush is shortened.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a negative pressure type blast hole slag removal device for tunnel surrounding rock blasting comprises a driving mechanism, wherein a supporting frame is fixedly connected to the left side of the driving mechanism, an adjusting mechanism is sleeved on the surface of the driving mechanism, the right side of the adjusting mechanism is fixedly connected with the left side of the supporting frame, a first groove is formed in the left side of the adjusting mechanism, a fixing mechanism is fixedly connected to the inner wall of the first groove, a second groove is formed in one side, away from the center of the adjusting mechanism, of the fixing mechanism, a moving mechanism is fixedly connected to the inner wall of the second groove, an air draft mechanism is fixedly connected to the left side of the adjusting mechanism and the left side of the driving mechanism, a vent pipe is in threaded connection with the left side of the surface of the air draft mechanism, first through holes are formed in the periphery of the surface of the vent pipe, a blocking mechanism is fixedly connected to the right side of the inner wall of the, and the left side and the right side of the inner wall of the third groove and the right side of the blocking mechanism are fixedly connected with sealing mechanisms.
Preferably, the driving mechanism comprises a first shell, a motor frame, a driving motor, a first rotating shaft, a heat dissipation plate, a first fan blade, a second through hole, a third through hole and a first dust guard, the inner wall of the first shell is fixedly connected with the motor frame, the inner wall of the motor frame is fixedly connected with the driving motor, the output end of the driving motor is fixedly connected with the first rotating shaft through a coupler, the surface of the first rotating shaft is fixedly connected with the left side of the first shell through a bearing, the surface of the first rotating shaft is sleeved with the heat dissipation plate, the surface of the heat dissipation plate is fixedly connected with the inner wall of the first shell, the surface of the first rotating shaft is fixedly connected with the first fan blade between the heat dissipation plate and the driving motor, the left side of the first shell is provided with the second through hole, the right side of the first shell is provided with the third through hole, and the inner wall of the second through hole and the third through hole are both fixedly, the left side of first shell and the right side fixed connection of support frame, the left side of first shell and exhaust mechanism's right side fixed connection.
Preferably, the adjusting mechanism comprises a threaded sleeve, a support plate, a guide groove, a first guide rod, a first spring, a first guide block, a first connecting rod, a second connecting block and a handle sleeve, the inner wall of the threaded sleeve is sleeved with the surface of a first rotating shaft, the right side of the threaded sleeve is fixedly connected with the left side of the support frame, the left side of the surface of the threaded sleeve is fixedly connected with the support plate, the guide groove is formed in the periphery of the left side of the support plate, the inner wall of the guide groove is fixedly connected with the first guide rod, the first spring is sleeved on one side, close to the threaded sleeve, of the surface of the first guide rod, the first guide block is sleeved on one side, far away from the threaded sleeve, of the surface of the first guide rod, the first connecting block is fixedly connected with the right side of the first guide block, and the first connecting rod is hinged to the inner wall of the first connecting, the right side of head rod articulates through the round pin axle has the second connecting block, the inner wall of second connecting block and threaded sleeve's surperficial sliding connection, threaded sleeve's surface lies in threaded connection and has the handle sleeve between second connecting block and the support frame, the left side and the right side fixed connection of convulsions mechanism of backup pad, first recess has been seted up in the left side of first guide block.
Preferably, the fixing mechanism comprises a second guide rod, a second spring and a fixing block, the two ends of the second guide rod are fixedly connected with the inner wall of the first groove, the second spring is sleeved on one side, close to the threaded sleeve, of the surface of the second guide rod, the fixing block is sleeved on one side, away from the threaded sleeve, of the surface of the second guide rod, and the second groove is formed in one side, away from the center of the adjusting mechanism, of the fixing block.
Preferably, moving mechanism includes second pivot, carousel and non-slip raised, the both ends of second pivot all with the inner wall fixed connection of second recess, the sliding surface of second pivot is connected with the carousel, the fixed surface of carousel is connected with non-slip raised, the inner wall sliding connection of carousel surface and second recess.
Preferably, the air draft mechanism comprises a support rod, a second shell, a filter plate, a third rotating shaft, a second fan blade, a limiting block, a fourth through hole and a second dust guard, the right side of the supporting rod is fixedly connected with the left side of the supporting plate, the left side of the supporting rod is fixedly connected with a second shell, the inner wall of the second shell is fixedly connected with a filter plate, the inner wall of the filter plate and the inner part of the right side of the second shell are both fixedly connected with a third rotating shaft through a bearing, the surface of the third rotating shaft is fixedly connected with a second fan blade, the left side of the third rotating shaft is fixedly connected with a limiting block, fourth through holes are formed in the right side of the second shell and around the third rotating shaft, a second dust guard is fixedly connected to the inner wall of each fourth through hole, the right side of the third rotating shaft is fixedly connected with the left side of the first rotating shaft, and the surface of the second shell is in threaded connection with the inner wall of the ventilating pipe.
Preferably, the blocking mechanism comprises a baffle and a fifth through hole, the fifth through hole is formed in the periphery of the left side of the baffle, the surface of the baffle is fixedly connected with the inner wall of the ventilation pipe, and the right side of the baffle is fixedly connected with the left side of the rotating mechanism.
Preferably, the sealing mechanism comprises a third guide rod, a third spring, a second guide block, a second connecting rod, a third connecting block, a sealing plate and a fourth connecting block, the left side and the right side of the third guide rod are both fixedly connected with the inner wall of the third groove, the right side of the surface of the third guide rod is sleeved with a third spring, a second guide block is sleeved on the left side of the surface of the third guide rod, a second connecting rod is hinged on one side of the third guide block close to the center of the ventilation pipe through a pin shaft, the right side of the baffle is fixedly connected with a third connecting block, the inner wall of the third connecting block is hinged with a sealing plate through a pin shaft, the right side of the sealing plate is hinged with a fourth connecting block through a pin shaft, the inner wall of the fourth connecting block is hinged with one side, close to the center of the ventilation pipe, of the second connecting rod through the pin shaft, and the left side of the sealing plate is attached to the right side of the baffle plate.
(III) advantageous effects
The invention provides a negative pressure type blast hole slag removal device for tunnel surrounding rock blasting. Comprises the following
Has the advantages that:
(1) the negative pressure type blast hole slag removal device for tunnel surrounding rock blasting is characterized in that a driving mechanism, an air draft mechanism, a vent pipe and a first through hole are arranged, the vent pipe is inserted into the blast hole, the driving mechanism is opened, a second fan blade is driven to rotate through a first rotating shaft and a third rotating shaft, negative pressure is generated in a second shell, air in the blast hole is pumped into the second shell through the first through hole and a fifth through hole in sequence, dust in the blast hole enters the second shell along with airflow, the dust in the air is blocked through a filter plate, the dust is accumulated in the second shell, the dust in the blast hole is cleaned, the cleaning mode is changed, the problem that at present, when the dust in the blast hole is cleaned, most of the dust in the blast hole is cleaned through a hairbrush, the rocky is hard, when the hairbrush is used for cleaning, the hairbrush is rubbed with rocks, the rock easily fish tail brush leads to the problem that the normal life of brush reduces.
(2) The negative pressure type blast hole slag removal device for tunnel surrounding rock blasting opens the driving motor by arranging the heat dissipation plate, the first fan blade, the second through hole, the third through hole and the first dust guard, the first fan blade is driven to rotate by the first rotating shaft, the rotating first fan blade generates airflow to enable air outside the first shell to enter through the second through hole and air inside the first shell to be discharged through the third through hole, so that the air circulation inside the first shell is accelerated, and heat generated when the driving motor works is rapidly dissipated, the heating panel is aluminium alloy plate simultaneously, has good radiating effect, absorbs the heat that driving motor during operation produced fast, prevents that driving motor work is overheated, leads to driving motor internals to burn out, and first dust guard prevents that the dust in the air from getting into first shell inside, leads to the dust to adsorb on first shell internals surface, makes first shell internals card dead.
(3) This a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting through setting up adjusting device, rotates the handle sleeve, promotes the second connecting block and removes left, under the interact of head rod and head rod, makes four first guide blocks open, is convenient for fix the device inside the big gun hole of equidimension not, increases the device's commonality.
(4) This a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting, through setting up fixed establishment and moving mechanism, the carousel freely rotates in the second pivot, make the carousel can roll at the big gun hole inner wall, be convenient for draw out the device from the inside of big gun hole, prevent fixed block and big gun hole inner wall direct contact, big gun hole inner wall rock is comparatively hard, when taking out the device, the easy fish tail fixed block, and simultaneously, through non-slip raised, it has certain anti-skidding effect to make the carousel surface, prevent the device during operation, because inertia, make the device take place to rotate in the big gun hole, lead to carousel surface fish tail, the second spring plays the impetus to the fixed block, effective fixed block is to the fixed effect of big gun hole inner wall.
(5) This a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting through setting up the second dust guard, the second dust guard plays the effect of blockking to the dust in the air, prevents that the dust in the air from getting into inside the second shell, leads to the inside part card of second shell to die.
(6) This a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting, through setting up sealing mechanism, the inside negative pressure that produces of second shell, the pressure that makes the second shell is less than outside air internal pressure, be greater than the elasticity of third spring through the pressure differential, make the closing plate upset, open the fifth through-hole, close actuating mechanism back, the pressure of second shell equals outside air internal pressure, there is not the pressure differential, the third spring promotes the second guide block, under the effect between second connecting rod and third connecting block, make closing plate and baffle contact, close the fifth through-hole, prevent that the dust from scattering out through the fifth through-hole, be not convenient for collect the dust.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is an enlarged view of FIG. 1 at C;
fig. 5 is a side view of the structure of the present invention.
In the figure: 1 driving mechanism, 101 first shell, 102 motor frame, 103 driving motor, 104 first rotating shaft, 105 heat dissipation plate, 106 first fan blade, 107 second through hole, 108 third through hole, 109 first dust guard, 2 supporting frame, 3 adjusting mechanism, 301 threaded sleeve, 302 supporting plate, 303 guide groove, 304 first guide rod, 305 first spring, 306 first guide block, 307 first connecting block, 308 first connecting rod, 309 second connecting block, 310 handle sleeve, 4 first groove, 5 fixing mechanism, 501 second guide rod, 502 second spring, 503 fixing block, 6 second groove, 7 moving mechanism, 701 second rotating shaft, 702 turntable, anti-skid projection, 8 air draft mechanism, 801 supporting rod, 802 second shell, 803 filter plate, 804 third rotating shaft, 805 second fan blade, 806, 807 fourth through hole, 808 second dust guard, 9, 10 first through hole, 11 blocking mechanism, 1101 baffle, 1102 fifth through hole, 12 third groove, 13 sealing mechanism, 1301 third guide rod, 1302 third spring, 1303 second guide block, 1304 second connecting rod, 1305 third connecting block, 1306 sealing plate, 1307 fourth connecting block.
Detailed Description
The materials, methods and apparatus used in the following examples, which are not specifically illustrated, are conventional in the art and are commercially available to those of ordinary skill in the art.
In the following description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the following description of the present invention, the meaning of "plurality", and "plural" is two or more unless otherwise specified.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a negative pressure type blast hole slag removal device for tunnel surrounding rock blasting comprises a driving mechanism 1, a support frame 2 is fixedly connected to the left side of the driving mechanism 1, an adjusting mechanism 3 is sleeved on the surface of the driving mechanism 1, the right side of the adjusting mechanism 3 is fixedly connected with the left side of the support frame 2, a first groove 4 is formed in the left side of the adjusting mechanism 3, a fixing mechanism 5 is fixedly connected to the inner wall of the first groove 4, a second groove 6 is formed in one side, away from the center of the adjusting mechanism 3, of the fixing mechanism 5, a moving mechanism 7 is fixedly connected to the inner wall of the second groove 6, an air draft mechanism 8 is fixedly connected to the left side of the adjusting mechanism 3 and the left side of the driving mechanism 1, a ventilation pipe 9 is in threaded connection with the left side of the surface of the air draft mechanism 8, first through holes 10 are formed in the periphery of the surface of the ventilation pipe 9, a blocking mechanism 11 is fixedly connected to the right, the left side and the right side of the inner wall of the third groove 12 and the right side of the blocking mechanism 11 are both fixedly connected with a sealing mechanism 13.
The driving mechanism 1 comprises a first shell 101, a motor frame 102, a driving motor 103, a first rotating shaft 104, a heat dissipation plate 105, a first fan blade 106, a second through hole 107, a third through hole 108 and a first dust guard 109, wherein the inner wall of the first shell 101 is fixedly connected with the motor frame 102, the inner wall of the motor frame 102 is fixedly connected with the driving motor 103, the model of the driving motor 103 is XD-3420, the output power is 30W, the current is 2-3.7A, the maximum torsion is 2KGF.CM, the output end of the driving motor 103 is fixedly connected with the first rotating shaft 104 through a coupler, the surface of the first rotating shaft 104 is fixedly connected with the left side of the first shell 101 through a bearing, the surface of the first rotating shaft 104 is sleeved with the heat dissipation plate 105, the surface of the heat dissipation plate 105 is fixedly connected with the inner wall of the first shell 101, the heat dissipation plate 105 is an aluminum alloy plate, so that the driving mechanism has a good heat dissipation effect, the driving motor is prevented from being overheated to cause burning of internal parts of the driving motor, a first fan blade 106 is fixedly connected to the surface of a first rotating shaft 104 and positioned between a heat dissipation plate 105 and the driving motor 103, the driving motor 103 is opened, the first fan blade 106 is driven to rotate through the first rotating shaft 104, the rotating first fan blade 106 generates air flow to enable air outside a first shell 101 to enter through a second through hole 107, the air inside the first shell 101 is discharged through a third through hole 108 to accelerate air circulation inside the first shell 101, heat generated during the operation of the driving motor is rapidly dissipated, a second through hole 107 is formed in the left side of the first shell 101, a third through hole 108 is formed in the right side of the first shell 101, a first dust prevention plate 109 is fixedly connected to the inner wall of the second through hole 107 and the third through hole 108, the first dust prevention plate 109 prevents dust in the air from entering the first shell 101 to cause the dust to be adsorbed on the surface of the internal parts of the first shell 101, the internal parts of the first casing 101 are clamped, the left side of the first casing 101 is fixedly connected with the right side of the support frame 2, and the left side of the first casing 101 is fixedly connected with the right side of the air draft mechanism 8.
The adjusting mechanism 3 comprises a threaded sleeve 301, a support plate 302, a guide groove 303, a first guide rod 304, a first spring 305, a first guide block 306, a first connecting block 307, a first connecting rod 308, a second connecting block 309 and a handle sleeve 310, wherein the inner wall of the threaded sleeve 301 is sleeved with the surface of the first rotating shaft 104, the right side of the threaded sleeve 301 is fixedly connected with the left side of the support frame 2, the support plate 302 is fixedly connected with the left side of the surface of the threaded sleeve 301, the guide groove 303 is formed around the left side of the support plate 302, the first guide rod 304 is fixedly connected with the inner wall of the guide groove 303, the first spring 305 is sleeved on one side, close to the threaded sleeve 301, of the surface of the first guide rod 304, the first guide block 306 is sleeved on one side, far away from the threaded sleeve 301, of the surface of the first guide rod 304, the first spring 305 pushes the first guide block 306 to enable the second connecting block 309 to move along with the, the right side fixedly connected with first connecting block 307 of first guide block 306, the inner wall of first connecting block 307 articulates through the round pin axle has first connecting rod 308, the right side of first connecting rod 308 articulates through the round pin axle has second connecting block 309, the inner wall of second connecting block 309 and the surperficial sliding connection of threaded sleeve 301, threaded sleeve 301's surface is located threaded connection handle sleeve 310 between second connecting block 309 and support frame 2, rotate handle sleeve 310, promote second connecting block 309 and remove to the left, under the interact of first connecting rod 308 and first connecting block 307, make four first guide blocks 306 open, be convenient for fix the device inside the big gun hole of equidimension not, increase the commonality of the device, the left side and the 8 right sides fixed connection of exhaust mechanism of backup pad 302, first recess 4 has been seted up in the left side of first guide block 306.
The moving mechanism 7 comprises a second rotating shaft 701, a rotating disc 702 and anti-slip protrusions 703, two ends of the second rotating shaft 701 are fixedly connected with the inner wall of the second groove 6, the surface of the second rotating shaft 701 is connected with the rotating disc 702 in a sliding manner, the rotating disc 702 can rotate freely on the second rotating shaft 701, the rotating disc 702 can roll on the inner wall of the blast hole, the device can be conveniently drawn out from the inside of the blast hole, the fixed block 503 is prevented from being in direct contact with the inner wall of the blast hole, rocks on the inner wall of the blast hole are hard, when the device is drawn out, the fixed block 503 is easy to scratch, the anti-slip protrusions 703 are fixedly connected on the surface of the rotating disc 702, the surface of the rotating disc 702 has a certain anti-slip effect through the anti-slip protrusions 703, and when the device works, the device rotates in the blast hole due to inertia, the surface of the rotating disc 702.
The air draft mechanism 8 comprises a support rod 801, a second casing 802, a filter plate 803, a third rotating shaft 804, a second fan blade 805, a limiting block 806, a fourth through hole 807 and a second dust-proof plate 808, the right side of the support rod 801 is fixedly connected with the left side of the support plate 302, the left side of the support rod 801 is fixedly connected with the second casing 802, the inner wall of the second casing 802 is fixedly connected with the filter plate 803, the dust in the air is blocked by the filter plate 803, so that the dust is accumulated in the second casing 802, the inner wall of the filter plate 803 and the right side of the second casing 802 are fixedly connected with the third rotating shaft 804 through bearings, the surface of the third rotating shaft 804 is fixedly connected with the second fan blade 805, the driving mechanism 1 is opened, the second fan blade 805 is driven to rotate through the first rotating shaft 104 and the third rotating shaft 804, so that negative pressure is generated in the second casing 802, the left side of the third rotating shaft 804 is fixedly connected with the limiting, fourth through-hole 807 has all been seted up on the right side of second shell 802 and all around that is located third pivot 804, the inner wall fixedly connected with second dust guard 808 of fourth through-hole 807, through setting up second dust guard 808, second dust guard 808 plays the effect of blockking to the dust in the air, prevent that the dust in the air from getting into inside second shell 802, it dies to lead to the inside part card of second shell 802, the right side of third pivot 804 and the left side fixed connection of first pivot 104, the surface and the ventilation pipe 9 inner wall threaded connection of second shell 802.
The blocking mechanism 11 comprises a baffle 1101 and a fifth through hole 1102, the baffle 1101 separates dust, the fifth through hole 1102 is formed in the periphery of the left side of the baffle 1101, the surface of the baffle 1101 is fixedly connected with the inner wall of the ventilation pipe 9, and the right side of the baffle 1101 is fixedly connected with the left side of the rotating mechanism.
The sealing mechanism 13 comprises a third guide rod 1301, a third spring 1302, a second guide block 1303, a second connecting rod 1304, a third connecting block 1305, a sealing plate 1306 and a fourth connecting block 1307, wherein the left side and the right side of the third guide rod 1301 are fixedly connected with the inner wall of the third groove 12, the third spring 1302 is sleeved on the right side of the surface of the third guide rod 1301, the second guide block 1303 is sleeved on the left side of the surface of the third guide rod 1301, one side, close to the center of the ventilation pipe 9, of the third guide block is hinged with the second connecting rod 1304 through a pin shaft, the right side of the baffle 1101 is fixedly connected with the third connecting block 1305, the inner wall of the third connecting block 1305 is hinged with the sealing plate 1306 through a pin shaft, the right side of the sealing plate 1306 is hinged with the fourth connecting block 1307 through a pin shaft, the inner wall of the fourth connecting block 1307 is hinged with one side, close to the center of the ventilation pipe 9, by providing the sealing mechanism 13, negative pressure is generated inside the second housing 802, so that the pressure of the second housing 802 is smaller than the internal pressure of the external air, the sealing plate 1306 is turned over by the pressure difference larger than the elastic force of the third spring 1302, the fifth through hole 1102 is opened, after the driving mechanism 1 is closed, the pressure of the second housing 802 is equal to the internal pressure of the external air, no pressure difference exists, the third spring 1302 pushes the second guide block 1303, the sealing plate 1306 is in contact with the baffle 1101 under the action between the second connecting rod 1304 and the third connecting block 1305, the fifth through hole 1102 is closed, dust is prevented from scattering out through the fifth through hole 1102, and dust is not conveniently collected.
When the negative pressure type blast hole slag removal device for tunnel surrounding rock blasting works, the device is inserted into a blast hole, the handle sleeve 310 is rotated to push the second connecting block 309 to move leftwards, the four first guide blocks 306 are opened under the interaction of the first connecting block 308 and the first connecting block 307, the device is fixed on the inner wall of the blast hole through the fixing block 503, the driving mechanism 1 is opened, the second fan blade 805 is driven to rotate through the first rotating shaft 104 and the third rotating shaft 804, negative pressure is generated in the second shell 802, the pressure of the second shell 802 is smaller than the internal pressure of external air, the sealing plate 1306 is turned over through the pressure difference larger than the elastic force of the third spring 1302, the fifth through hole 1102 is opened, air in the blast hole is pumped into the second shell 802 through the first through hole 10 and the fifth through hole 1102 in sequence, dust in the blast hole enters the second shell 802 along with air flow, and is blocked by the filter plate 803, the dust is accumulated in the second housing 802, after the cleaning is completed, the driving motor 103 is turned off, the pressure of the second housing 802 is equal to the internal pressure of the external air, no pressure difference exists, the third spring 1302 pushes the second guide block 1303, the sealing plate 1306 is in contact with the baffle 1101 under the action between the second connecting rod 1304 and the third connecting block 1305, the fifth through hole 1102 is closed, and the device is pulled out.
In summary, according to the negative pressure type blast hole slag removal device for blasting tunnel surrounding rocks, the driving mechanism 1, the air draft mechanism 8, the air pipe 9 and the first through hole 10 are arranged, the air pipe 9 is inserted into the blast hole, the driving mechanism 1 is opened, the second fan blade 805 is driven to rotate through the first rotating shaft 104 and the third rotating shaft 804, negative pressure is generated in the second casing 802, air in the blast hole is pumped into the second casing 802 through the first through hole 10 and the fifth through hole 1102 in sequence, dust in the blast hole enters the second casing 802 along with air flow, the dust in the air is blocked through the filter plate 803, the dust is accumulated in the second casing 802, the dust in the blast hole is cleaned, the cleaning mode is changed, and therefore the problem that at present, when the dust in the blast hole is cleaned, most of brushes are used for cleaning the dust in the blast hole, but rocks are hard is solved, when cleaning with the brush, the brush takes place the friction with the rock, and the rock fish tail brush easily leads to the problem that the normal life of brush reduces.
Meanwhile, by providing the heat dissipation plate 105, the first blade 106, the second through hole 107, the third through hole 108, and the first dust-proof plate 109, the driving motor 103 is turned on, the first rotating shaft 104 drives the first fan blade 106 to rotate, the rotating first fan blade 106 generates air flow, so that air outside the first casing 101 enters through the second through hole 107, air inside the first casing 101 is discharged through the third through hole 108, air circulation inside the first casing 101 is accelerated, heat generated when the driving motor works is rapidly dissipated, meanwhile, the heat dissipation plate 105 is an aluminum alloy plate, so that a good heat dissipation effect is achieved, heat generated during the operation of the driving motor is absorbed quickly, the driving motor is prevented from working too hot, internal parts of the driving motor are burnt, the first dust prevention plate 109 prevents dust in the air from entering the first shell 101, the dust is adsorbed on the surface of the internal parts of the first shell 101, and the internal parts of the first shell 101 are clamped.
Meanwhile, by arranging the adjusting device, the handle sleeve 310 is rotated to push the second connecting block 309 to move leftwards, and under the interaction of the first connecting rod 308 and the first connecting block 307, the four first guide blocks 306 are opened, so that the device can be conveniently fixed in blast holes with different sizes, and the universality of the device is improved.
Meanwhile, through setting up the fixed establishment 5 and moving mechanism 7, the rotary table 702 rotates on the second spindle 701 freely, make the rotary table 702 roll in the inner wall of the blast hole, it is easy to draw out the apparatus from the inside of the blast hole, prevent fixed block 503 and inner wall of the blast hole from contacting directly, the inner wall rock of the blast hole is comparatively hard, when drawing out the apparatus, scratch fixed block 503 easily, meanwhile, through the anti-skid protrusion 703, make the surface of rotary table 702 have certain antiskid effects, prevent the apparatus from working, because of inertia, make the apparatus rotate in the blast hole, lead to the scratch of the surface of rotary table 702, the second spring 502 plays a pushing role to the fixed block 503, the fixed effect of effective fixed block 503 to the inner wall of the blast hole.
Meanwhile, by arranging the second dust guard 808, the second dust guard 808 can block dust in the air, so that the dust in the air is prevented from entering the second housing 802, and the internal parts of the second housing 802 are blocked.
Meanwhile, by providing the sealing mechanism 13, negative pressure is generated inside the second housing 802, so that the pressure of the second housing 802 is smaller than the internal pressure of the outside air, the sealing plate 1306 is turned over by the pressure difference being larger than the elastic force of the third spring 1302, the fifth through hole 1102 is opened, and after the driving mechanism 1 is closed, the pressure of the second housing 802 is equal to the internal pressure of the outside air, and there is no pressure difference, the third spring 1302 pushes the second guide block 1303, so that the sealing plate 1306 is in contact with the baffle 1101 under the action between the second connecting rod 1304 and the third connecting block 1305, and the fifth through hole 1102 is closed, thereby preventing dust from scattering out through the fifth through hole 1102, and facilitating dust collection.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a negative pressure formula big gun hole scarfing cinder device for tunnel country rock blasting, includes actuating mechanism (1), its characterized in that: the left side of the driving mechanism (1) is fixedly connected with a support frame (2), the surface of the driving mechanism (1) is sleeved with an adjusting mechanism (3), the right side of the adjusting mechanism (3) is fixedly connected with the left side of the support frame (2), the left side of the adjusting mechanism (3) is provided with a first groove (4), the inner wall of the first groove (4) is fixedly connected with a fixing mechanism (5), one side of the fixing mechanism (5) far away from the center of the adjusting mechanism (3) is provided with a second groove (6), the inner wall of the second groove (6) is fixedly connected with a moving mechanism (7), the left side of the adjusting mechanism (3) and the left side of the driving mechanism (1) are both fixedly connected with an air draft mechanism (8), the left side of the surface of the air draft mechanism (8) is in threaded connection with a ventilation pipe (9), the periphery of the surface of the ventilation pipe (9) is, a blocking mechanism (11) is fixedly connected to the right side of the inner wall of the ventilation pipe (9), a third groove (12) is formed in the inner wall of the ventilation pipe (9) and located on the right side of the blocking mechanism (11), and sealing mechanisms (13) are fixedly connected to the left side and the right side of the inner wall of the third groove (12) and the right side of the blocking mechanism (11);
the driving mechanism (1) comprises a first shell (101), a motor frame (102), a driving motor (103), a first rotating shaft (104), a heat dissipation plate (105), a first fan blade (106), a second through hole (107), a third through hole (108) and a first dust guard (109), the motor frame (102) is fixedly connected to the inner wall of the first shell (101), the driving motor (103) is fixedly connected to the inner wall of the motor frame (102), the output end of the driving motor (103) is fixedly connected with the first rotating shaft (104) through a coupler, the surface of the first rotating shaft (104) is fixedly connected with the left side of the first shell (101) through a bearing, the heat dissipation plate (105) is sleeved on the surface of the first rotating shaft (104), the surface of the heat dissipation plate (105) is fixedly connected with the inner wall of the first shell (101), the first fan blade (106) is fixedly connected to the surface of the first rotating shaft (104) and is positioned between the heat dissipation plate (105) and the driving motor (103), a second through hole (107) is formed in the left side of the first shell (101), a third through hole (108) is formed in the right side of the first shell (101), the inner wall of the second through hole (107) and the third through hole (108) are both fixedly connected with a first dust guard (109), the left side of the first shell (101) is fixedly connected with the right side of the support frame (2), and the left side of the first shell (101) is fixedly connected with the right side of the air draft mechanism (8);
the adjusting mechanism (3) comprises a threaded sleeve (301), a support plate (302), a guide groove (303), a first guide rod (304), a first spring (305), a first guide block (306), a first connecting block (307), a first connecting rod (308), a second connecting block (309) and a handle sleeve (310), wherein the inner wall of the threaded sleeve (301) is sleeved with the surface of the first rotating shaft (104), the right side of the threaded sleeve (301) is fixedly connected with the left side of the support frame (2), the left side of the surface of the threaded sleeve (301) is fixedly connected with the support plate (302), the guide grooves (303) are formed in the periphery of the left side of the support plate (302), the inner wall of the guide groove (303) is fixedly connected with the first guide rod (304), the first spring (305) is sleeved on one side, close to the threaded sleeve (301), of the surface of the first guide rod (304), first guide block (306) has been cup jointed to one side that threaded sleeve (301) was kept away from to the surface of first guide bar (304), the right side fixedly connected with first connecting block (307) of first guide block (306), the inner wall of first connecting block (307) articulates through the round pin axle has head rod (308), the right side of head rod (308) articulates through the round pin axle has second connecting block (309), the inner wall of second connecting block (309) and the surperficial sliding connection of threaded sleeve (301), threaded sleeve (301) the surface and lie in threaded connection handle sleeve (310) between second connecting block (309) and support frame (2), the left side and the convulsions mechanism (8) right side fixed connection of backup pad (302), first recess (4) have been seted up in the left side of first guide block (306).
2. The negative pressure type blast hole slag removal device for blasting tunnel surrounding rock according to claim 1, characterized in that: fixing mechanism (5) include second guide bar (501), second spring (502) and fixed block (503), the both ends of second guide bar (501) all with the inner wall fixed connection of first recess (4), second spring (502) have been cup jointed to one side that the surface of second guide bar (501) is close to threaded sleeve (301), fixed block (503) have been cup jointed to one side that threaded sleeve (301) were kept away from to the surface of second guide bar (501), second recess (6) have been seted up to one side that adjustment mechanism (3) center was kept away from in fixed block (503).
3. The negative pressure type blast hole slag removal device for blasting tunnel surrounding rock according to claim 1, characterized in that: moving mechanism (7) include second pivot (701), carousel (702) and raised antiskid (703), the both ends of second pivot (701) all with the inner wall fixed connection of second recess (6), the surperficial sliding connection of second pivot (701) has carousel (702), the fixed surface of carousel (702) is connected with raised antiskid (703), the inner wall sliding connection of carousel (702) surface and second recess (6).
4. The negative pressure type blast hole slag removal device for blasting tunnel surrounding rock according to claim 1, characterized in that: the air draft mechanism (8) comprises a supporting rod (801), a second shell (802), a filtering plate (803), a third rotating shaft (804), a second fan blade (805), a limiting block (806), a fourth through hole (807) and a second dust-proof plate (808), the right side of the supporting rod (801) is fixedly connected with the left side of the supporting plate (302), the left side of the supporting rod (801) is fixedly connected with the second shell (802), the inner wall of the second shell (802) is fixedly connected with the filtering plate (803), the inner wall of the filtering plate (803) and the inner part of the right side of the second shell (802) are fixedly connected with the third rotating shaft (804) through bearings, the surface of the third rotating shaft (804) is fixedly connected with the second fan blade (805), the left side of the third rotating shaft (804) is fixedly connected with the limiting block (806), the right side of the second shell (802) is positioned around the third rotating shaft (804) and is provided with the fourth through, the inner wall of the fourth through hole (807) is fixedly connected with a second dust guard (808), the right side of the third rotating shaft (804) is fixedly connected with the left side of the first rotating shaft (104), and the surface of the second shell (802) is in threaded connection with the inner wall of the ventilation pipe (9).
5. The negative pressure type blast hole slag removal device for blasting tunnel surrounding rock according to claim 1, characterized in that: the blocking mechanism (11) comprises a baffle plate (1101) and fifth through holes (1102), the fifth through holes (1102) are formed in the periphery of the left side of the baffle plate (1101), the surface of the baffle plate (1101) is fixedly connected with the inner wall of the ventilation pipe (9), and the right side of the baffle plate (1101) is fixedly connected with the left side of the rotating mechanism (14).
6. The negative pressure type blast hole slag removal device for blasting tunnel surrounding rock according to claim 1, characterized in that: the sealing mechanism (13) comprises a third guide rod (1301), a third spring (1302), a second guide block (1303), a second connecting rod (1304), a third connecting block (1305), a sealing plate (1306) and a fourth connecting block (1307), the left side and the right side of the third guide rod (1301) are fixedly connected with the inner wall of a third groove (12), the third spring (1302) is sleeved on the right side of the surface of the third guide rod (1301), the second guide block (1303) is sleeved on the left side of the surface of the third guide rod (1301), one side, close to the center of the ventilation pipe (9), of the second guide block (1303) is hinged with the second connecting rod (1304) through a pin shaft, the right side of the baffle plate (1101) is fixedly connected with the third connecting block (1305), the inner wall of the third connecting block (1305) is hinged with the sealing plate (1306) through a pin shaft, and the right side of the sealing plate (1306) is hinged with the fourth connecting block (1307) through a, the inner wall of the fourth connecting block (1307) is hinged to one side, close to the center of the ventilating pipe (9), of the second connecting rod (1304) through a pin shaft, and the left side of the sealing plate (1306) is attached to the right side of the baffle (1101).
7. The negative pressure type blast hole slag removal device and the slag removal method for tunnel surrounding rock blasting according to any one of claims 1 to 6, wherein the negative pressure type blast hole slag removal device comprises: when the device is used, the device is inserted into a blast hole, a handle sleeve (310) is rotated to push a second connecting block (309) to move leftwards, under the interaction of a first connecting rod (308) and a first connecting block (307), four first guide blocks (306) are opened, the device is fixed on the inner wall of the blast hole through a fixing block (503), a driving mechanism (1) is opened, a second fan blade (805) is driven to rotate through a first rotating shaft (104) and a third rotating shaft (804), negative pressure is generated in a second shell (802), the pressure of the second shell (802) is smaller than the internal pressure of external air, a sealing plate (1306) is turned over through the pressure difference which is larger than the elastic force of a third spring (1302), a fifth through hole (1102) is opened, air in the blast hole is pumped into the second shell (802) through the first through hole (10) and the fifth through hole (1102) in sequence, and dust in the blast hole enters the second shell (802) along with air flow, the dust in the air is blocked by the filter plate (803), the dust is accumulated inside the second shell (802), after the cleaning is finished, the driving motor (103) is closed, the pressure of the second shell (802) is equal to the internal pressure of the external air, no pressure difference exists, the third spring (1302) pushes the second guide block (1303), the sealing plate (1306) is in contact with the baffle (1101) under the action between the second connecting rod (1304) and the third connecting block (1305), the fifth through hole (1102) is closed, and the device is drawn out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922330.1A CN112033247A (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device and method for tunnel surrounding rock blasting |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990536.0A CN109211044B (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device for tunnel surrounding rock blasting |
| CN202010922330.1A CN112033247A (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device and method for tunnel surrounding rock blasting |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990536.0A Division CN109211044B (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device for tunnel surrounding rock blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112033247A true CN112033247A (en) | 2020-12-04 |
Family
ID=64986638
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990536.0A Active CN109211044B (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device for tunnel surrounding rock blasting |
| CN202010922330.1A Withdrawn CN112033247A (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device and method for tunnel surrounding rock blasting |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990536.0A Active CN109211044B (en) | 2018-08-28 | 2018-08-28 | Negative pressure type blast hole slag removal device for tunnel surrounding rock blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109211044B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607015A (en) * | 2021-08-23 | 2021-11-05 | 山东科技大学 | Diffusion-preventing slag removal device for blasting blasthole of tunnel surrounding rock |
| CN114152162A (en) * | 2021-12-30 | 2022-03-08 | 青岛盛世普天科技有限公司 | Blast hole blocking device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186339B (en) * | 2019-05-27 | 2021-07-13 | 山西同德爆破工程有限责任公司 | Building safety blasting dust fall auxiliary equipment during environment-friendly engineering construction |
| CN111947530B (en) * | 2020-07-01 | 2022-04-19 | 中铁十九局集团矿业投资有限公司 | Blasting is with preventing blockking up charging equipment |
| CN113654420B (en) * | 2020-11-18 | 2023-02-10 | 中国石油天然气集团有限公司 | Blast hole slag removal device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2957113B2 (en) * | 1995-09-21 | 1999-10-04 | 日立造船株式会社 | Discharge device of shield machine |
| RU2362115C1 (en) * | 2008-04-17 | 2009-07-20 | Государственное образовательное учреждение высшего профессионального образования "Иркутский государственный технический университет" (ГОУ ИрГТУ) | Facility for blast holes cleaning |
| CN103398639B (en) * | 2013-08-16 | 2015-08-26 | 中国工程物理研究院化工材料研究所 | A kind of destructor of removing obstacles for broken stone |
| CN206091914U (en) * | 2015-12-31 | 2017-04-12 | 谢小鱼 | Tunnel porthole cleaning device |
| CN207229046U (en) * | 2017-07-11 | 2018-04-13 | 新汶矿业集团有限责任公司孙村煤矿 | A kind of orifice closing formula deduster |
| CN207007020U (en) * | 2017-08-02 | 2018-02-13 | 中铁十四局集团第二工程有限公司 | One kind is used for tunnel surrounding blasting hole slag cleaning device |
-
2018
- 2018-08-28 CN CN201810990536.0A patent/CN109211044B/en active Active
- 2018-08-28 CN CN202010922330.1A patent/CN112033247A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607015A (en) * | 2021-08-23 | 2021-11-05 | 山东科技大学 | Diffusion-preventing slag removal device for blasting blasthole of tunnel surrounding rock |
| CN114152162A (en) * | 2021-12-30 | 2022-03-08 | 青岛盛世普天科技有限公司 | Blast hole blocking device |
| CN114152162B (en) * | 2021-12-30 | 2023-03-14 | 青岛盛世普天科技有限公司 | Blast hole blocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109211044B (en) | 2020-11-17 |
| CN109211044A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109211044B (en) | Negative pressure type blast hole slag removal device for tunnel surrounding rock blasting | |
| CN211580476U (en) | Electrical cabinet with good heat dissipation performance | |
| CN110989807A (en) | Computer host computer part dust removal heat abstractor | |
| CN111600231B (en) | High-efficient electric power rack cooling system with electrostatic precipitator function | |
| CN116722682B (en) | Permanent magnet motor with built-in magnetic steel mechanism | |
| CN212112317U (en) | Computer is with mainframe box that can remove dust automatically | |
| CN209768034U (en) | Electronic communication equipment with dampproofing dust removal | |
| CN212211780U (en) | Cabinet cold channel capable of realizing fire-fighting linkage | |
| CN113523915A (en) | Polishing and grinding device for woodworking drill bit | |
| CN211439286U (en) | End face polishing equipment for machining centrifugal machine parts | |
| CN211397436U (en) | Geological reamer with dust suppression function | |
| CN208713589U (en) | A kind of processing oil Pump rotor edge-neatening apparatus | |
| CN216249145U (en) | Computer network element safety maintenance device | |
| CN113877918A (en) | Heat dissipation net cleaning mechanism of ventilation cabinet | |
| CN110834365A (en) | Plate processing equipment | |
| CN208944756U (en) | A kind of computer cabinet internal dust amount detecting device | |
| CN218137112U (en) | Novel dust absorption dust removal formula abrasive machine | |
| CN218328405U (en) | Dehumidification fan coil pipe | |
| CN210605620U (en) | Computer radiator | |
| CN114025541B (en) | Cross-platform communication tool for electronic evidence collection | |
| CN109158376B (en) | PC host computer dust removal case that dust collection efficiency is high | |
| CN211513808U (en) | Dust suction device of solid wood stair production workshop | |
| CN114347095B (en) | Robot charges with high-efficient firing equipment | |
| CN215766528U (en) | High-temperature smoke heat exchange device of electric furnace | |
| CN213826024U (en) | Dust cleaning and removing device for portable computer hardware equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201204 |
|
| WW01 | Invention patent application withdrawn after publication |