An intelligent speed-regulating inclined shaft ventilation equipment

Abstract

The present invention discloses an intelligent speed-regulating inclined shaft ventilation device, which belongs to the field of tunnel engineering technology. It solves the problem that the fan filter of the existing equipment is easily blocked by dust and filter materials during operation, and the exhaust and suction pressure of the fan filter is insufficient after blocking. The device comprises: tunnel support, ballast bracket, and circulating ventilation mechanism. The tunnel support comprises at least one group of transverse brackets and longitudinal brackets. The ballast bracket comprises a ventilation chamber and a ballast fixing assembly. The circulating ventilation mechanism comprises a tunnel ventilation assembly, a pressurized cabin, and a circulating exhaust assembly. An anti-accumulation filter part is provided in the pressurized cabin. The present invention is provided with a pressurized cabin and an anti-accumulation filter part. The setting of the pressurized cabin ensures that gas with sufficient pressure is blown into the ventilation chamber, which is beneficial to the discharge of gas in the ventilation chamber. The anti-accumulation filter part can filter the air to avoid blockage of filter materials, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction personnel.

Description

Technical Field

[0001] The present invention belongs to the technical field of tunnel engineering, and in particular relates to an intelligent speed-regulating inclined shaft ventilation device. Background Art

[0002] During tunnel and inclined shaft construction, activities such as drilling, blasting, slag loading, and shotcrete spraying generate large amounts of dust and harmful gases. Furthermore, due to the narrow space limitations during construction, the oxygen content in the cave is often too low. Furthermore, the operation of internal combustion engines and transport vehicles also emits a certain amount of exhaust gas. Therefore, inclined shaft ventilation is a key link in tunnel and underground engineering, which directly affects the safety of the working face and construction efficiency.

[0003] Chinese patent CN115726828A discloses ventilation and air filtering equipment for reverse blow of tunnel inclined shaft, which supplies air to multiple nodes of tunnel inclined shaft. The multi-stage air supply assembly includes an axial flow fan, a main pipe rack, a pressure distribution box rack, a pressurized pipe rack and an energy-charging fan. The main pipe rack is connected and arranged on the axial flow fan, the pressure distribution box rack is connected and arranged on the main pipe rack, the pressurized pipe rack is connected and arranged between the pressure distribution box racks, the energy-charging fan is connected between the pressurized pipe racks, the multi-stage ballast assembly includes a ballast bridge, a ballast port, a boosting valve, a pressure maintaining rack, a ballast filter rack and a ballast exhaust fan, and the ballast bridge is respectively connected to the ballast bridge. The ballast port is evenly connected and arranged on the ballast bridge, the boosting valve is connected and arranged on the ballast port, the pressure maintaining frame is arranged between adjacent ballast bridges, the ballast filter frame is arranged on the ballast bridge, and the ballast exhaust fan is connected and arranged on the ballast filter frame; however, the fan filter of the existing equipment is easily blocked by dust and filtered materials when working, and the exhaust pressure of the fan filter is insufficient after blockage, resulting in a high content of exhaust gas in the inclined shaft and the air chamber, endangering the safety of construction workers. In order to solve the above problems, we proposed an intelligent speed-regulating inclined shaft ventilation equipment. Summary of the Invention

[0004] The purpose of the present invention is to address the shortcomings of the existing technology and provide an intelligent speed-regulating inclined shaft ventilation equipment, which solves the problem that the fan filter of the existing equipment is easily blocked by dust and filtered materials during operation, and the exhaust and suction pressure of the fan filter is insufficient after blockage, resulting in a high waste gas content in the inclined shaft and air chamber.

[0005] The present invention is implemented as follows: an intelligent speed-regulating inclined shaft ventilation device, the intelligent speed-regulating inclined shaft ventilation device comprising:

[0006] Tunnel support, comprising at least one set of transverse supports and longitudinal supports, wherein the transverse supports and the longitudinal supports are fixedly connected and cooperate with each other to support the tunnel;

[0007] a ballast support, the ballast support being detachably disposed within the tunnel support, the ballast support comprising a ventilation chamber and a ballast fixing assembly, the ventilation chamber being connected to the ballast fixing assembly, and the ballast fixing assembly being detachably connected to the longitudinal support;

[0008] A circulating ventilation mechanism, which is arranged in the tunnel support and includes:

[0009] A tunnel ventilation assembly, the tunnel ventilation assembly being arranged in the tunnel support and being used to supply air to the tunnel and the ventilation chamber;

[0010] A pressurized chamber in communication with the tunnel ventilation assembly, the pressurized chamber being used to regulate the speed and pressurize the blown-in gas, and having an anti-deposit filter disposed therein for filtering the blown-in gas and preventing the filter from clogging the anti-deposit filter;

[0011] A circulating exhaust component is provided in the tunnel support and is used for circulating and exhausting the air in the ventilation chamber and the tunnel.

[0012] Preferably, the tunnel support further comprises:

[0013] At least one set of auxiliary brackets, wherein the auxiliary brackets are arranged between the transverse brackets, and both ends of the auxiliary brackets are detachably connected to the transverse brackets;

[0014] At least one set of ballast bridges, wherein the ballast bridges are fixedly connected to the ventilation chamber and are used to assist personnel evacuation.

[0015] Preferably, the ventilation chamber comprises:

[0016] An air chamber shell, the air chamber shell being arranged in the tunnel support and connected to the ballast fixing assembly;

[0017] at least one set of hydraulic flaps, the hydraulic flaps being mounted on the bottom of the air chamber housing;

[0018] At least one set of hydraulic top plates is rotatably arranged on the top of the air chamber shell, and the hydraulic top plates are arranged corresponding to the ballast bridge.

[0019] Preferably, the tunnel ventilation assembly comprises:

[0020] A circulating blast pipe, which is fixedly connected to the tunnel support and contains a circulating blower, one end of which is in communication with the pressurized cabin;

[0021] At least one set of blast branch pipes, each of which is disposed in the air chamber housing and has one end in communication with the pressurized cabin;

[0022] At least one group of circulating air blast ports is provided in the air chamber shell, and the circulating air blast ports are in communication with the air blast branch pipe.

[0023] Preferably, the circulating exhaust assembly includes:

[0024] At least one set of exhaust fans, wherein the exhaust fans are fixedly installed in the tunnel support;

[0025] Exhaust main pipe fixedly connected to the exhaust fan;

[0026] An air chamber exhaust pipe, one end of which is connected to the main exhaust pipe and the other end of which extends into the air chamber shell;

[0027] An exhaust branch pipe is connected to the exhaust main pipe, and the exhaust branch pipe can be detachably installed on the air chamber exhaust pipe. The exhaust branch pipe is used to circulate and discharge the gas in the inclined well.

[0028] Preferably, the pressurized compartment comprises:

[0029] An air blast and pressurization chamber, the air blast and pressurization chamber being fixedly mounted on the top of the air chamber shell;

[0030] A pressurizing motor, wherein the pressurizing motor is fixedly installed in the blast pressurizing chamber, and an output end of the pressurizing motor is fixedly connected to a transmission shaft;

[0031] At least one set of negative pressure fan blades, wherein the negative pressure fan blades are detachably mounted on the side wall of the transmission shaft.

[0032] Preferably, the anti-deposition filter unit includes:

[0033] At least one set of anti-deposit filter seats, the anti-deposit filter seats are used to filter the blown air, and the anti-deposit filter seats are detachably mounted in the blast pressurization chamber;

[0034] A filter recovery tank is provided on the anti-deposit filter seat, and the filter recovery tank is used to recover the filter;

[0035] An anti-accumulation scraper arranged on the anti-accumulation filter seat is rotatable. The anti-accumulation scraper is used to scrape off the filtered matter on the surface of the anti-accumulation filter seat, and the anti-accumulation scraper is fixedly connected to the transmission shaft.

[0036] Preferably, the circulating ventilation mechanism further comprises:

[0037] An inclined shaft ventilation portion, the inclined shaft ventilation portion being arranged at the bottom of the air chamber shell;

[0038] The inclined shaft ventilation unit includes:

[0039] An inclined shaft blower seat, the inclined shaft blower seat being fixedly mounted on the bottom of the air chamber shell;

[0040] At least one set of inclined shaft blast grooves, wherein the inclined shaft blast grooves are provided on the side wall of the inclined shaft blast seat;

[0041] A blast dispersion shaft rotatably mounted in the inclined shaft blast groove, the blast dispersion shaft being used to discretely guide the air in the inclined shaft blast seat;

[0042] A blast sealing plate, the blast sealing plate is slidably arranged at the bottom of the air chamber shell, the blast sealing plate is used to seal the inclined shaft blast seat, a plurality of sealing guide rods are evenly distributed at the bottom of the air chamber shell, the sealing guide rods are slidably connected to the blast sealing plate, a buffer spring is provided on the outer sleeve of the sealing guide rod, and one end of the buffer spring is fixedly connected to the blast sealing plate;

[0043] The sealing card seat is fixedly mounted on the bottom of the air chamber shell and is clamped with the blast sealing plate.

[0044] Preferably, the ballast fixing assembly comprises:

[0045] a ballast fixing seat, the ballast fixing seat being fixedly connected to the side wall of the air chamber shell;

[0046] An adjusting screw fixedly mounted on the ballast fixing seat;

[0047] The threaded sleeve is an adjusting threaded sleeve outside the adjusting screw, and the adjusting threaded sleeve is rotatably mounted on the connecting positioning seat. A supporting positioning seat is fixedly mounted on one end of the connecting positioning seat away from the adjusting threaded sleeve, and the supporting positioning seat is detachably connected to the longitudinal bracket.

[0048] Preferably, the ballast fixing assembly further comprises:

[0049] An anti-falling support bracket, which is fixedly mounted on the end portion of the connection positioning seat, and has symmetrical anti-falling support grooves therein;

[0050] At least one group of anti-falling support rods, one end of which abuts against the inner wall of the tunnel, the other end of which is rotatably connected to the anti-falling support groove, and is fixedly connected with an anti-falling extrusion rod, and one end of the anti-falling extrusion rod away from the anti-falling support rod abuts against the side wall of the connecting positioning seat.

[0051] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0052] In an embodiment of the present invention, a pressurized cabin and an anti-accumulation filter unit are provided. The setting of the pressurized cabin ensures that gas with sufficient pressure is blown into the ventilation chamber, which is beneficial to the discharge of gas in the ventilation chamber, and the anti-accumulation filter unit can filter the air to avoid clogging of the filter material, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction personnel.

[0053] In an embodiment of the present invention, an inclined shaft ventilation unit is provided, which consists of an inclined shaft blower seat, a blower sealing plate, and a blower discrete shaft. The inclined shaft blower seat, the blower sealing plate, and the blower discrete shaft work together to achieve rapid blowing operations in the inclined shaft tunnel, thereby ensuring the oxygen supply for construction workers in the tunnel. The setting of the blower discrete shaft ensures multi-angle and multi-directional dispersion of the blown gas, thereby avoiding the problem of uneven oxygen blowing caused by unidirectional blowing of air. At the same time, when there are too many pollutants or dust in the tunnel, the blower sealing plate can seal the inclined shaft blower seat to prevent pollutants or dust from entering the air chamber shell.

[0054] In an embodiment of the present invention, a ballast fixing assembly is provided, which is composed of an adjusting screw, a connecting positioning seat, an anti-falling support rod, and an anti-falling extrusion rod. The setting of the ballast fixing assembly can, on the one hand, achieve stable support for the air chamber shell, and on the other hand, ensure that the air chamber shell is suitable for inclined shaft tunnels with different specifications and apertures. At the same time, the ballast fixing assembly can also provide auxiliary support for the inclined shaft tunnel to avoid collapse of the inclined shaft tunnel.

[0055] The embodiment of the present invention is provided with a pressurized cabin, which can solve the problem of insufficient gas pressure after filtration by the anti-deposition filter part, and realizes the pressurized and speed-regulated processing of the gas. The pressurized and speed-regulated gas enters the blast branch pipe and is then blown into the air chamber shell to realize the air supply operation of the air chamber shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 It is a structural schematic diagram of the intelligent speed-regulating inclined shaft ventilation equipment provided by the present invention.

[0057] Figure 2 This is the main view of the intelligent speed-regulating inclined shaft ventilation equipment provided by the present invention.

[0058] Figure 3 It is a structural schematic diagram of the ballast bracket provided by the present invention.

[0059] Figure 4 It is a structural schematic diagram of the ventilation chamber provided by the present invention.

[0060] Figure 5 It is a structural schematic diagram of the pressurized cabin provided by the present invention.

[0061] Figure 6It is an axonometric view of the pressurized cabin provided by the present invention.

[0062] Figure 7 1 is a top view of the pressurized cabin provided by the present invention.

[0063] Figure 8 yes Figure 7 AA section view.

[0064] Figure 9 It is a structural schematic diagram of the inclined shaft ventilation part provided by the present invention.

[0065] Figure 10 It is a schematic diagram of the three-dimensional structure of the inclined shaft ventilation part provided by the present invention.

[0066] Figure 11 It is a structural schematic diagram of the ballast fixing assembly provided by the present invention.

[0067] Figure 12 It is an axonometric view of the ballast fixing assembly provided by the present invention.

[0068] In the figure: 1-tunnel support, 11-transverse support, 12-longitudinal support, 13-auxiliary support, 14-ballast bridge, 2-circulation ventilation mechanism, 21-tunnel ventilation assembly, 211-circulation blast pipe, 212-circulation blower, 213-blast branch pipe, 214-circulation blast port, 22-circulation exhaust assembly, 221-exhaust fan, 222-exhaust main pipe, 223-air chamber exhaust pipe, 224-exhaust branch pipe, 23-pressurization cabin, 231-blast pressurization chamber, 232-pressurization motor, 233-drive shaft, 234-negative pressure fan blade, 24-anti-accumulation filter unit, 241-anti-accumulation filter seat, 242-filter recovery tank , 243-anti-accumulation scraper, 25-inclined shaft ventilation part, 251-inclined shaft blast seat, 252-blast sealing plate, 253-sealing guide rod, 254-buffer spring, 255-sealing card seat, 256-inclined shaft blast groove, 257-blast discrete shaft, 3-ballast bracket, 31-ventilation chamber, 311-air chamber shell, 312-hydraulic flap, 313-hydraulic top plate, 32-ballast fixing assembly, 321-ballast fixing seat, 322-adjusting screw, 323-adjusting threaded sleeve, 324-connecting positioning seat, 325-support positioning seat, 326-anti-falling support bracket, 327-anti-falling support rod, 328-anti-falling extrusion rod. DETAILED DESCRIPTION

[0069] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0070] The fan filter of the existing equipment is easily clogged by dust and filtered materials when working, and the exhaust pressure of the fan filter is insufficient after being blocked, resulting in a high content of exhaust gas in the inclined shaft and air chamber, endangering the safety of construction workers. To address the above problems, we have proposed an intelligent speed-regulating inclined shaft ventilation equipment. In short, the equipment includes a tunnel support 1, the tunnel support 1 includes at least one group of transverse supports 11, longitudinal supports 12, and ballast supports 3. The ballast supports 3 are detachably arranged in the tunnel support 1. The ballast supports 3 include a ventilation chamber 31, a ballast fixing assembly 32, and a circulating ventilation mechanism 2. The circulating ventilation mechanism 2 is arranged in the tunnel support 1. The circulating ventilation mechanism 2 includes a tunnel ventilation assembly 21, a pressurized cabin 23 connected to the tunnel ventilation assembly 21, and a circulating exhaust assembly 22. The pressurized cabin 23 is provided with an anti-accumulation filter part 24. During operation, the tunnel ventilation component 21, the pressurized cabin 23 and the circulating exhaust component 22 are turned on. The tunnel ventilation component 21 can draw the air outside the inclined shaft tunnel into the pressurized cabin 23, and then the anti-accumulation filter part 24 in the pressurized cabin 23 filters the air and pressurizes the gas. Then the clean gas enters the ventilation chamber 31, realizing the blowing of gas into the ventilation chamber 31 and ensuring the safety of the construction workers. At the same time, the circulating exhaust component 22 is turned on to discharge the dirty air in the ventilation chamber 31 and the inclined shaft tunnel, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction workers. In the embodiment of the present invention, a pressurized cabin 23 and an anti-accumulation filter unit 24 are provided. The setting of the pressurized cabin 23 ensures that gas with sufficient pressure is blown into the ventilation chamber 31, which is beneficial to the discharge of gas in the ventilation chamber 31, and the anti-accumulation filter unit 24 can filter the air to avoid clogging of the filter material, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction personnel.

[0071] The embodiment of the present invention provides an intelligent speed-regulating inclined shaft ventilation device, such as Figure 1-Figure 2 As shown, the intelligent speed-regulating inclined shaft ventilation equipment includes:

[0072] Tunnel support 1, the tunnel support 1 includes at least one set of transverse supports 11 and longitudinal supports 12, the transverse supports 11 and longitudinal supports 12 are fixedly connected, and the transverse supports 11 and longitudinal supports 12 work together to support the tunnel;

[0073] At least one set of auxiliary brackets 13, wherein the auxiliary brackets 13 are arranged between the transverse brackets 11, and both ends of the auxiliary brackets 13 are detachably connected to the transverse brackets 11;

[0074] At least one set of ballast bridges 14, wherein the ballast bridges 14 are fixedly connected to the ventilation chamber 31, and the ballast bridges 14 are used to assist personnel evacuation.

[0075] In this embodiment, the tunnel support 1 is arranged in the inclined shaft tunnel, the transverse support 11 can be a circular frame or polygonal frame structure with a hollow interior, the longitudinal support 12 and the transverse support 11 are fixedly connected by steel bar binding or welding, and the transverse support 11 is fixedly connected to the inner wall of the inclined shaft tunnel by mortise and tenon joints or welding, and the auxiliary supports 13 are evenly distributed circumferentially, and the two ends of the auxiliary supports 13 are respectively connected to the transverse supports 11 by fastening bolts or threads, and the setting of the ballast bridge 14 facilitates the passage of construction personnel and trolleys, and the ballast bridge 14 is fixedly connected to the top of the ventilation chamber 31 by fastening bolts or welding. The number of auxiliary supports 13 can be 3-20 groups, and the auxiliary supports 13 and the longitudinal supports 12 can be round rods or square rod structures.

[0076] Ballast bracket 3, such as Figure 3 As shown, the ballast bracket 3 is detachably arranged in the tunnel support 1, and the ballast bracket 3 includes a ventilation chamber 31 and a ballast fixing assembly 32. The ventilation chamber 31 is connected to the ballast fixing assembly 32, and the ballast fixing assembly 32 is detachably connected to the longitudinal bracket 12;

[0077] The circulating ventilation mechanism 2 is arranged in the tunnel support 1 and includes:

[0078] A tunnel ventilation assembly 21 is provided in the tunnel support 1 and is used to supply air to the tunnel and the ventilation chamber 31;

[0079] A pressurized chamber 23 in communication with the tunnel ventilation assembly 21, the pressurized chamber 23 being used to regulate the speed and pressurize the blown gas, and an anti-deposition filter 24 being provided within the pressurized chamber 23, the anti-deposition filter 24 being used to filter the blown gas and prevent the filtered material from clogging the anti-deposition filter 24;

[0080] The circulating exhaust component 22 is arranged in the tunnel support 1 and is used to circulate and exhaust the air in the ventilation chamber 31 and the tunnel.

[0081] In this embodiment, when working, the tunnel ventilation component 21, the pressurized cabin 23 and the circulating exhaust component 22 are turned on. The tunnel ventilation component 21 can draw the air outside the inclined shaft tunnel into the pressurized cabin 23, and then the anti-deposition filter part 24 in the pressurized cabin 23 filters the air and pressurizes the gas. Then the clean gas enters the ventilation chamber 31, realizing the blowing of gas into the ventilation chamber 31 and ensuring the safety of the construction workers. At the same time, the circulating exhaust component 22 is turned on to discharge the dirty air in the ventilation chamber 31 and the inclined shaft tunnel, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction workers.

[0082] In the embodiment of the present invention, a pressurized cabin 23 and an anti-accumulation filter unit 24 are provided. The setting of the pressurized cabin 23 ensures that gas with sufficient pressure is blown into the ventilation chamber 31, which is beneficial to the discharge of gas in the ventilation chamber 31, and the anti-accumulation filter unit 24 can filter the air to avoid clogging of the filter material, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction personnel.

[0083] In a further preferred embodiment of the present invention, Figure 4 As shown, the ventilation chamber 31 includes:

[0084] An air chamber housing 311 is disposed in the tunnel support 1 and is connected to the ballast fixing assembly 32;

[0085] At least one set of hydraulic flaps 312 , the hydraulic flaps 312 being mounted on the bottom of the air chamber housing 311 ;

[0086] At least one set of hydraulic top plates 313 is rotatably arranged on the top of the air chamber shell 311 , and the hydraulic top plates 313 are arranged corresponding to the ballast bridge 14 .

[0087] In this embodiment, the air chamber shell 311 can be a circular shell or a square shell with a hollow interior. The interior of the air chamber shell 311 is hollow. The hydraulic flap 312 is rotatably connected to the bottom of the air chamber shell 311 using a hydraulic cylinder, which ensures the sealing of the air chamber shell 311 and also facilitates the construction personnel to open and close the air chamber shell 311. The hydraulic flap 312 can be a rectangular plate or a circular plate. The hydraulic flap 312 is circumferentially arranged at the bottom of the air chamber shell 311, and the hydraulic top plate 313 is rotatably connected to the top of the air chamber shell 311 through a hydraulic cylinder. The number of hydraulic flaps 312 and hydraulic top plates 313 can be 3-8 groups.

[0088] In a further preferred embodiment of the present invention, Figure 1-Figure 2 As shown, the circulating ventilation component includes:

[0089] A circulating blast pipe 211 is fixedly connected to the tunnel support 1 and contains a circulating blower 212. One end of the circulating blast pipe 211 is in communication with the pressurized chamber 23.

[0090] At least one set of blast branch pipes 213 , each of which is disposed in the air chamber housing 311 , with one end of the blast branch pipe 213 being in communication with the pressurized chamber 23 ;

[0091] At least one set of circulating air blast ports 214 is provided in the air chamber shell 311 , and the circulating air blast ports 214 are in communication with the air blast branch pipe 213 .

[0092] In this embodiment, the circulating blast pipe 211 is arranged at the center position of the tunnel support 1, and the circulating blast pipe 211 can be a stainless steel bellows or a flange bellows. The circulating blast pipe 211 is fixedly connected to the longitudinal bracket 12 by fastening bolts or clamps, and the circulating blower 212 is fixedly connected to the inner wall of the circulating blast pipe 211 by snaps or fastening bolts. The number of blast branch pipes 213 can be 3-6 groups, and the blast branch pipes 213 are fixedly connected to the upper wall of the air chamber shell 311 by snaps, and the circulating blast port 214 is opened on the lower wall of the air chamber shell 311.

[0093] In a further preferred embodiment of the present invention, Figure 1 As shown, the circulating exhaust component 22 includes:

[0094] At least one set of exhaust fans 221, wherein the exhaust fans 221 are fixedly installed in the tunnel support 1;

[0095] An exhaust main pipe 222 fixedly connected to the exhaust fan 221;

[0096] An air chamber exhaust pipe 223 , one end of which is connected to the main exhaust pipe 222 and the other end of which extends into the air chamber housing 311 ;

[0097] An exhaust branch pipe 224 is connected to the exhaust main pipe 222. The exhaust branch pipe 224 can be detachably mounted on the air chamber exhaust pipe 223. The exhaust branch pipe 224 is used to circulate and discharge the gas in the inclined shaft.

[0098] In this embodiment, the exhaust fan 221 is fixedly mounted on the longitudinal bracket 12 by means of fastening bolts or snaps, the air inlet of the exhaust fan 221 is connected to the exhaust main pipe 222 by means of threads or snaps, and the air chamber exhaust pipe 223 is connected to the exhaust main pipe 222 by means of flanges or threads, one end of the air chamber exhaust pipe 223 is inserted into the top of the air chamber shell 311, and the exhaust branch pipe 224 is connected to the air chamber exhaust pipe 223 by means of snaps or threads.

[0099] In a further preferred embodiment of the present invention, Figure 5-Figure 8 As shown, the pressurized cabin 23 includes:

[0100] The blast and pressurization chamber 231 is fixedly mounted on the top of the air chamber housing 311. The blast and pressurization chamber 231 may be a hollow circular cavity or a square cavity. The bottom of the blast and pressurization chamber 231 is fixedly connected to the top of the air chamber housing 311 by plugging or riveting.

[0101] A pressurizing motor 232 , wherein the pressurizing motor 232 is fixedly installed in the blast pressurizing chamber 231 , and an output end of the pressurizing motor 232 is fixedly connected to a transmission shaft 233 ;

[0102] At least one set of negative pressure blades 234 , wherein the negative pressure blades 234 are detachably mounted on the side wall of the transmission shaft 233 .

[0103] In this embodiment, the pressurizing fan can be a servo motor, and the pressurizing motor 232 is fixedly installed in the blast pressurizing chamber 231 by fastening bolts or riveting. The output end of the pressurizing motor 232 is fixedly connected to the end of the transmission shaft 233 by interference fit. The negative pressure fan blades 234 can be a rectangular plate, fan plate, arc plate or spiral plate structure arranged counterclockwise, and the negative pressure fan blades 234 can be detachably installed on the side wall of the transmission shaft 233 by snap fasteners.

[0104] During operation, the pressure of the gas after filtering through the anti-accumulation filter unit 24 is insufficient, and the pressurizing motor 232 is turned on. The start of the pressurizing motor 232 can drive the transmission shaft 233 and the negative pressure fan blades 234 to rotate, thereby realizing the pressurization and speed regulation of the gas. The pressurized and speed-regulated gas enters the blower branch pipe 213, and then is blown into the air chamber shell 311, realizing the air supply operation of the air chamber shell 311.

[0105] The embodiment of the present invention is provided with a pressurized cabin 23, which can solve the problem of insufficient gas pressure after filtering by the anti-deposition filter part 24, and realizes the pressurized speed regulation processing of the gas. The pressurized and speed-regulated gas enters the blower branch pipe 213, and then is blown into the air chamber shell 311, realizing the air supply operation of the air chamber shell 311.

[0106] In a further preferred embodiment of the present invention, Figure 5-Figure 6 As shown, the anti-deposition filter unit 24 includes:

[0107] At least one set of anti-deposit filter seats 241, the anti-deposit filter seats 241 are used to filter the blown air, and the anti-deposit filter seats 241 are detachably installed in the blast pressurization chamber 231;

[0108] A filter recovery tank 242 is provided on the anti-deposit filter seat 241, and the filter recovery tank 242 is used to recover the filter;

[0109] The anti-accumulation scraper 243 provided on the anti-accumulation filter seat 241 is rotatable. The anti-accumulation scraper 243 is used to scrape off the filtered matter on the surface of the anti-accumulation filter seat 241 , and the anti-accumulation scraper 243 is fixedly connected to the transmission shaft 233 .

[0110] In this embodiment, the anti-accumulation filter seat 241 can be detachably installed in the blast pressure chamber 231 by means of snaps or fastening bolts. The number of anti-accumulation filter seats 241 can be 3-5 groups, and filter grooves are circumferentially arranged on the anti-accumulation filter seat 241. The filter groove apertures of the multiple groups of anti-accumulation filter seats 241 decrease successively from top to bottom, thereby realizing multi-stage filtration treatment of dust and harmful substances escaping from the inclined shaft tunnel, ensuring the safety of construction personnel, and the anti-accumulation filter seat 241 can be a fiber filter seat or an activated carbon filter seat, the filter recovery groove 242 can be a dovetail ring groove or a "V"-shaped ring groove, and the anti-accumulation scraper 243 can be a rectangular plate or a fan-shaped plate. During operation, the rotation of the drive shaft 233 can drive the anti-accumulation scraper 243 to rotate, so that the anti-accumulation scraper 243 can quickly scrape off the filter material on the surface of the anti-accumulation filter seat 241, ensuring the power of the blasted gas, and at the same time improving the filtering efficiency of the air.

[0111] In a further preferred embodiment of the present invention, Figure 9-10 As shown, the circulating ventilation mechanism 2 also includes:

[0112] An inclined shaft ventilation portion 25 , the inclined shaft ventilation portion 25 being provided at the bottom of the air chamber housing 311 ;

[0113] In an embodiment of the present invention, an inclined shaft ventilation unit 25 is provided, and the inclined shaft ventilation unit 25 is composed of an inclined shaft blower seat 251, a blower sealing plate 252, and a blower discrete shaft 257. The inclined shaft blower seat 251, the blower sealing plate 252, and the blower discrete shaft 257 cooperate with each other to realize rapid blowing operation in the inclined shaft tunnel, thereby ensuring the oxygen supply for construction personnel in the tunnel, and the setting of the blower discrete shaft 257 ensures multi-angle and multi-directional dispersion of the blown gas, thereby avoiding the problem of uneven oxygen blowing caused by unidirectional blowing of air. At the same time, when there are too many pollutants or dust in the tunnel, the blower sealing plate 252 can seal the inclined shaft blower seat 251 to prevent pollutants or dust from entering the air chamber shell 311.

[0114] The inclined shaft ventilation unit 25 includes:

[0115] The inclined shaft blower seat 251 is fixedly mounted on the bottom of the air chamber housing 311. The inclined shaft blower seat 251 may be a round seat with a hollow interior, and the inclined shaft blower seat 251 is mounted on the bottom of the air chamber housing 311 by snap fastening or threading;

[0116] At least one set of inclined shaft blasting slots 256, wherein the inclined shaft blasting slots 256 are provided on the side wall of the inclined shaft blasting seat 251;

[0117] The blast dispersion shaft 257 is rotatably mounted in the inclined shaft blast groove 256, and the blast dispersion shaft 257 is used to disperse and guide the air in the inclined shaft blast seat 251;

[0118] In this embodiment, the inclined shaft blast grooves 256 are circumferentially arranged on the side walls of the inclined shaft blast seat 251. The inclined shaft blast grooves 256 can be circular grooves or square grooves, and the blast discrete shaft 257 can be a spiral structure. One end of the blast discrete shaft 257 is rotatably connected to the inclined shaft blast seat 251 through a bearing or a roller. The blast discrete shaft 257 is set to a spiral shape to ensure that the gas is discretely distributed in the inclined shaft tunnel.

[0119] The blast sealing plate 252 is slidably arranged at the bottom of the air chamber housing 311. The blast sealing plate 252 is used to seal the inclined shaft blast seat 251. A plurality of sealing guide rods 253 are evenly distributed at the bottom of the air chamber housing 311. The sealing guide rods 253 are slidably connected to the blast sealing plate 252. A buffer spring 254 is sleeved on the outside of the sealing guide rod 253. One end of the buffer spring 254 is fixedly connected to the blast sealing plate 252.

[0120] The sealing card seat 255 is fixedly installed at the bottom of the air chamber shell 311 and is clamped with the blast sealing plate 252 .

[0121] In this embodiment, the blast sealing plate 252 can be a circular plate or a round seat structure, the buffer spring 254 is fixedly connected to the bottom of the air chamber shell 311 by embedding or riveting, and the sealing seat 255 is fixedly installed on the bottom surface of the air chamber shell 311 by mortise and tenon or riveting.

[0122] In a further preferred embodiment of the present invention, Figure 11-12 As shown, the ballast fixing assembly 32 includes:

[0123] a ballast fixing seat 321, wherein the ballast fixing seat 321 is fixedly connected to the side wall of the air chamber shell 311;

[0124] An adjusting screw 322 fixedly mounted on the ballast fixing seat 321;

[0125] The threaded sleeve 323 is threadedly mounted on the outside of the adjusting screw 322, and the adjusting threaded sleeve 323 is rotatably mounted on the connecting positioning seat 324. The end of the connecting positioning seat 324 away from the adjusting threaded sleeve 323 is fixedly mounted with a supporting positioning seat 325, and the supporting positioning seat 325 is detachably connected to the longitudinal bracket 12.

[0126] It should be noted that the ballast fixing seat 321 can be a round seat or a rectangular seat with a hollow interior. The ballast fixing seat 321 is fixedly connected to the side wall of the air chamber shell 311 by fastening bolts or welding, and the adjusting screw 322 is fixedly connected to the side wall of the ballast fixing seat 321 by plugging or riveting. The adjusting threaded sleeve 323 is rotatably connected to the connecting positioning seat 324 through a bearing or roller. The connecting positioning seat 324 is hinged or riveted to the support positioning seat 325, and the support positioning seat 325 is detachably connected to the longitudinal bracket 12 by fastening bolts.

[0127] An anti-falling support bracket 326, which is fixedly mounted on the end portion of the connection positioning seat 324, and has symmetrical anti-falling support grooves therein;

[0128] At least one group of anti-falling support rods 327, one end of the anti-falling support rods 327 abuts against the inner wall of the tunnel, the other end of the anti-falling support rods 327 is rotatably connected to the anti-falling support groove, and is fixedly connected with an anti-falling extrusion rod 328, and the end of the anti-falling extrusion rods 328 away from the anti-falling support rods 327 abuts against the side wall of the connecting positioning seat 324.

[0129] In this embodiment, the anti-falling extrusion rod 328 and the anti-falling support rod 327 can both be bent arms or "L"-shaped arm structures, and the anti-falling extrusion rod 328 and the anti-falling support rod 327 can cooperate with each other to assist in squeezing the connecting positioning seat 324 and the support positioning seat 325 when squeezing the connecting positioning seat 324 and the support positioning seat 325 in the inclined tunnel, thereby avoiding the phenomenon of the connecting positioning seat 324 moving or falling off, and further ensuring the stability of the air chamber shell 311.

[0130] In an embodiment of the present invention, a ballast fixing assembly 32 is provided. The ballast fixing assembly 32 is composed of an adjusting screw 322, a connecting positioning seat 324, an anti-falling support rod 327, and an anti-falling extrusion rod 328. The setting of the ballast fixing assembly 32 can, on the one hand, achieve stable support for the air chamber shell 311, and on the other hand, ensure that the air chamber shell 311 is suitable for inclined shaft tunnels of different specifications and apertures. At the same time, the ballast fixing assembly 32 can also provide auxiliary support for the inclined shaft tunnel to avoid the collapse of the inclined shaft tunnel.

[0131] To sum up, the present invention provides an intelligent speed-regulating inclined shaft ventilation equipment. When working, the tunnel ventilation component 21, the pressurized cabin 23 and the circulating exhaust component 22 are turned on. The tunnel ventilation component 21 can draw the air outside the inclined shaft tunnel into the pressurized cabin 23, and then the anti-accumulation filter part 24 in the pressurized cabin 23 filters the air and pressurizes the gas. Then the clean gas enters the ventilation chamber 31, realizing the blowing of gas into the ventilation chamber 31, ensuring the safety of construction personnel. At the same time, the circulating exhaust component 22 is turned on to discharge the dirty air in the ventilation chamber 31 and the inclined shaft tunnel, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction personnel.

[0132] In the embodiment of the present invention, a pressurized cabin 23 and an anti-accumulation filter unit 24 are provided. The setting of the pressurized cabin 23 ensures that gas with sufficient pressure is blown into the ventilation chamber 31, which is beneficial to the discharge of gas in the ventilation chamber 31, and the anti-accumulation filter unit 24 can filter the air to avoid clogging of the filter material, thereby blocking the spread of harmful gases and dust in the inclined shaft tunnel and facilitating the timely evacuation of construction personnel.

[0133] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0134] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope of protection of the present invention.

Claims

1. An intelligent speed-regulating inclined shaft ventilation device, characterized in that: The intelligent speed-regulating inclined shaft ventilation equipment includes: A tunnel support (1), the tunnel support (1) comprising at least one set of transverse supports (11) and longitudinal supports (12), the transverse supports (11) and the longitudinal supports (12) being fixedly connected, and the transverse supports (11) and the longitudinal supports (12) working in cooperation to support the tunnel; A ballast support (3), the ballast support (3) being detachably arranged in the tunnel support (1), the ballast support (3) comprising a ventilation chamber (31) and a ballast fixing assembly (32), the ventilation chamber (31) being connected to the ballast fixing assembly (32), and the ballast fixing assembly (32) being detachably connected to the longitudinal support (12); A circulating ventilation mechanism (2), wherein the circulating ventilation mechanism (2) is arranged in the tunnel support (1), and the circulating ventilation mechanism (2) comprises: A tunnel ventilation assembly (21), the tunnel ventilation assembly (21) being arranged in the tunnel support (1), and the tunnel ventilation assembly (21) being used to supply air to the tunnel and the ventilation chamber (31); A pressurized chamber (23) in communication with the tunnel ventilation assembly (21), the pressurized chamber (23) being used to regulate the speed and pressurize the blown-in gas, and an anti-deposition filter (24) being provided in the pressurized chamber (23), the anti-deposition filter (24) being used to filter the blown-in gas and prevent the filtered matter from clogging the anti-deposition filter (24); A circulating exhaust component (22), the circulating exhaust component (22) being arranged in the tunnel support (1), and the circulating exhaust component (22) being used for circulating and exhausting the air in the ventilation chamber (31) and the tunnel; The pressurized cabin (23) comprises: An air blast pressurization chamber (231), wherein the air blast pressurization chamber (231) is fixedly mounted on the top of the air chamber housing (311); A pressurizing motor (232), the pressurizing motor (232) being fixedly mounted in the blast pressurizing chamber (231), and the output end of the pressurizing motor (232) being fixedly connected to a transmission shaft (233); At least one set of negative pressure fan blades (234), wherein the negative pressure fan blades (234) are detachably mounted on the side wall of the transmission shaft (233); The ballast fixing assembly (32) includes: a ballast fixing seat (321), wherein the ballast fixing seat (321) is fixedly connected to a side wall of the air chamber shell (311); An adjusting screw (322) fixedly mounted on a ballast fixing seat (321); An adjusting threaded sleeve (323) is provided on the outside of the adjusting screw (322), the adjusting threaded sleeve (323) is rotatably mounted on a connecting positioning seat (324), a supporting positioning seat (325) is fixedly mounted on one end of the connecting positioning seat (324) away from the adjusting threaded sleeve (323), and the supporting positioning seat (325) is detachably connected to the longitudinal bracket (12); An anti-falling support bracket (326), wherein the anti-falling support bracket (326) is fixedly mounted on the end portion of the connection positioning seat (324), and an anti-falling support groove is symmetrically provided in the anti-falling support bracket (326); At least one set of anti-falling support rods (327), one end of the anti-falling support rods (327) abuts against the inner wall of the tunnel, the other end of the anti-falling support rods (327) is rotatably connected to the anti-falling support groove, and is fixedly connected to an anti-falling extrusion rod (328), and one end of the anti-falling extrusion rod (328) away from the anti-falling support rods (327) abuts against the side wall of the connection positioning seat (324).

2. The intelligent speed-regulating inclined shaft ventilation equipment according to claim 1, characterized in that: The tunnel support (1) further comprises: At least one set of auxiliary brackets (13), wherein the auxiliary brackets (13) are arranged between the transverse brackets (11), and both ends of the auxiliary brackets (13) are detachably connected to the transverse brackets (11); At least one set of ballast bridges (14), wherein the ballast bridges (14) are fixedly connected to the ventilation chamber (31), and the ballast bridges (14) are used to assist personnel evacuation.

3. The intelligent speed-regulating inclined shaft ventilation equipment according to claim 1, characterized in that: The ventilation chamber (31) comprises: An air chamber shell (311), the air chamber shell (311) is arranged in the tunnel support (1), and the air chamber shell (311) is connected to the ballast fixing assembly (32); At least one set of hydraulic flaps (312), the hydraulic flaps (312) being mounted on the bottom of the air chamber housing (311); At least one set of hydraulic top plates (313) is provided, wherein the hydraulic top plates (313) are rotatably arranged on the top of the air chamber shell (311), and the hydraulic top plates (313) are arranged corresponding to the ballast bridge (14).

4. The intelligent speed-regulating inclined shaft ventilation equipment according to claim 3, characterized in that: The tunnel ventilation assembly (21) comprises: A circulating blast pipe (211), wherein the circulating blast pipe (211) is fixedly connected to the tunnel support (1), a circulating blower (212) is provided in the circulating blast pipe (211), and one end of the circulating blast pipe (211) is in communication with the pressurized cabin (23); At least one set of blast branch pipes (213), wherein the blast branch pipes (213) are arranged in the air chamber shell (311), and one end of the blast branch pipes (213) is in communication with the pressurized cabin (23); At least one set of circulating air blast ports (214), wherein the circulating air blast ports (214) are arranged in the air chamber shell (311), and the circulating air blast ports (214) are in communication with the air blast branch pipe (213).

5. The intelligent speed-regulating inclined shaft ventilation equipment according to claim 4, characterized in that: The circulating exhaust component (22) comprises: At least one set of exhaust fans (221), wherein the exhaust fans (221) are fixedly installed in the tunnel support (1); An exhaust main pipe (222) fixedly connected to the exhaust fan (221); An air chamber exhaust pipe (223), one end of the air chamber exhaust pipe (223) is connected to the main exhaust pipe (222), and the other end extends into the air chamber housing (311); An exhaust branch pipe (224) is connected to the exhaust main pipe (222), and the exhaust branch pipe (224) is detachably mounted on the air chamber exhaust pipe (223). The exhaust branch pipe (224) is used to circulate and discharge the gas in the inclined well.

6. The intelligent speed-regulating inclined shaft ventilation equipment according to claim 4, characterized in that: The anti-deposition filter portion (24) comprises: At least one set of anti-deposit filter seats (241), the anti-deposit filter seats (241) being used to filter the blown air, and the anti-deposit filter seats (241) being detachably mounted in the blast pressurized chamber (231); A filter recovery tank (242) is provided on the anti-deposit filter seat (241), and the filter recovery tank (242) is used to recover the filter; An anti-deposit scraper (243) is rotatably arranged on the anti-deposit filter seat (241), the anti-deposit scraper (243) being used to scrape off filtered matter on the surface of the anti-deposit filter seat (241), and the anti-deposit scraper (243) is fixedly connected to the transmission shaft (233).

7. The intelligent speed-regulating inclined shaft ventilation equipment according to claim 6, characterized in that: The circulating ventilation mechanism (2) further comprises: An inclined shaft ventilation portion (25), the inclined shaft ventilation portion (25) being arranged at the bottom of the air chamber housing (311); The inclined shaft ventilation part (25) comprises: An inclined shaft blower seat (251), wherein the inclined shaft blower seat (251) is fixedly mounted on the bottom of the air chamber housing (311); At least one set of inclined shaft blast grooves (256), wherein the inclined shaft blast grooves (256) are provided on the side wall of the inclined shaft blast seat (251); A blast discrete shaft (257) rotatably mounted in the inclined shaft blast slot (256), the blast discrete shaft (257) being used to discretely guide the air in the inclined shaft blast seat (251); A blast sealing plate (252), the blast sealing plate (252) is slidably arranged at the bottom of the air chamber shell (311), the blast sealing plate (252) is used to seal the inclined shaft blast seat (251), a plurality of sealing guide rods (253) are evenly arranged at the bottom of the air chamber shell (311), the sealing guide rods (253) are slidably connected to the blast sealing plate (252), the outer sleeve of the sealing guide rod (253) is provided with a buffer spring (254), and one end of the buffer spring (254) is fixedly connected to the blast sealing plate (252); A sealing card seat (255) is fixedly mounted on the bottom of the air chamber housing (311), and the sealing card seat (255) is clamped to the blast sealing plate (252).

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