CN-224207647-U - Tunnel ventilation filter equipment

Abstract

The utility model discloses a roadway ventilation filtering device, which comprises a filtering pipe, wherein flanges are arranged at two ends of the filtering pipe, a supporting ring is fixedly arranged in the filtering pipe, a conical filter screen is arranged at one side of the supporting ring, a small end of the conical filter screen is of a closed structure, a transmission shaft is rotatably arranged at the small end of the conical filter screen, a large end of the other side of the conical filter screen is of an open structure, an annular folded edge is arranged along the circumferential direction, and the annular folded edge abuts against the side wall of the supporting ring.

Inventors

• CHEN DA
• WANG YUNXIANG
• LONG WENJUN
• LU XIANHUA

Assignees

• 丹东丹银矿冶有限责任公司

Dates

Publication Date

20260508

Application Date

20250528

Claims (5)

1. 1. The utility model provides a tunnel ventilation filter equipment, its characterized in that, including filter tube (1), filter tube (1) both ends are equipped with flange (2), filter tube (1) internal fixation is equipped with holding ring (3), holding ring (3) one side is equipped with toper filter screen (4), the tip of toper filter screen (4) is closed structure, and rotates and install transmission shaft (5), and the big head end of opposite side is open structure, and is equipped with annular hem (6) along the circumferencial direction, annular hem (6) are leaned against with holding ring (3) lateral wall, brush (7) are installed to transmission shaft (5) one end detachably, and the other end is connected with drive assembly, brush (7) with toper filter screen (4) outer wall slip laminating, the slip of filter tube (1) is equipped with holding ring (8), holding ring (8) lateral wall is through connecting rod (9) fixed mounting have clamping ring (10), clamping ring (10) support tightly in on annular hem (6), holding ring (8) with be connected through locating assembly between filter tube (1).
2. 2. The roadway ventilation filtering device according to claim 1, wherein the driving assembly comprises a shaft bracket (11) fixedly installed on the inner lower wall of the filtering pipe (1), a main shaft (12) is rotatably installed on the shaft bracket (11), a pinion (14) is installed at one end of the main shaft (12), a straight plug (13) is installed at the other end of the main shaft, a straight slot matched with the straight plug (13) is formed in one end of the transmission shaft (5), a motor (15) is arranged on the inner lower wall of the filtering pipe (1), and a main gear (16) meshed with the pinion (14) is installed at the driving end of the motor (15).
3. 3. The roadway ventilation filtering device according to claim 1, wherein the positioning assembly comprises a pair of mounting grooves (17) formed in the inner wall of the positioning ring (8), sliding holes are formed in the bottoms of the mounting grooves (17) in a communicating mode, positioning pins (18) are arranged in the sliding holes in a sliding mode, pin holes for the positioning pins (18) to be inserted are formed in the inner wall of the filtering pipe (1), one end of each positioning pin (18) extends out of the corresponding mounting groove (17) and is provided with a pulling plate (19), and springs (20) sleeved on the outer sides of the corresponding positioning pins (18) are arranged between the pulling plate (19) and the bottoms of the corresponding mounting grooves (17).
4. 4. A roadway ventilation filtering device according to claim 3, characterized in that one end of the brush (7) close to the conical filter screen (4) is fixedly provided with a connector (21), the side wall of the connector (21) is provided with a pair of inserting rods (22), one end of the transmission shaft (5) is provided with a jack for inserting the inserting rods (22), and the connector (21) is connected with the transmission shaft (5) through a fixing bolt (23).
5. 5. The roadway ventilation filtering device according to claim 1, wherein the lower wall of the filtering pipe (1) is provided with an ash falling port (24) below the conical filtering net, and an ash collecting box (25) is detachably arranged below the ash falling port (24) through a butterfly bolt.

Description

Tunnel ventilation filter equipment Technical Field The utility model relates to the technical field of filtering devices, in particular to a roadway ventilation filtering device. Background In a roadway operation environment, the ventilation filtering device plays a key role in guaranteeing air quality in a roadway, protecting health of staff and ensuring normal operation of equipment. The existing roadway ventilation filtering device has a plurality of problems. On the one hand, the filter screen is difficult to clean and maintain, and the filter screen is easy to block in the use process, and the filter screen needs to be frequently replaced, so that the maintenance cost and the downtime are increased, and on the other hand, the filter screen is not convenient enough to install and position, and a large amount of time is required to be consumed in the overhaul and maintenance process, so that the efficiency is influenced, and along with the continuous improvement of the performance requirements of the ventilation filter device for roadway operation, the roadway ventilation filter device capable of effectively filtering and being convenient for clean maintenance is urgently needed. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a roadway ventilation filtering device, which solves the problem that the prior device is inconvenient to clean and maintain. The roadway ventilation filtering device comprises a filtering pipe, flanges are arranged at two ends of the filtering pipe, a supporting ring is fixedly arranged in the filtering pipe, a conical filter screen is arranged on one side of the supporting ring, a small end of the conical filter screen is of a closed structure, a transmission shaft is rotatably arranged on the small end of the supporting ring, a large end of the other side of the supporting ring is of an open structure, an annular folded edge is arranged along the circumferential direction, the annular folded edge abuts against the side wall of the supporting ring, a hairbrush is detachably arranged at one end of the transmission shaft, the other end of the transmission shaft is connected with a driving assembly, the hairbrush is in sliding fit with the outer wall of the conical filter screen, a positioning ring is slidably arranged in the filtering pipe, a compression ring is fixedly arranged on the side wall of the positioning ring through a connecting rod, the compression ring abuts against the annular folded edge, and the positioning ring is connected with the filtering pipe through the positioning assembly. Preferably, the driving assembly comprises a shaft bracket fixedly mounted on the inner lower wall of the filter tube, a main shaft is rotatably mounted on the shaft bracket, a pinion is mounted at one end of the main shaft, a straight plug is mounted at the other end of the main shaft, a straight slot matched with the straight plug is formed in one end of the transmission shaft, a motor is arranged on the inner lower wall of the filter tube, and a main gear meshed with the pinion is mounted at the driving end of the motor. Preferably, the locating component comprises a pair of mounting grooves formed in the inner wall of the locating ring, sliding holes are formed in the bottoms of the mounting grooves in a communicating mode, locating pins are arranged in the sliding holes in a sliding mode, pin holes for the locating pins to be inserted are formed in the inner wall of the filter pipe, one end of each locating pin extends out of the corresponding mounting groove and is provided with a pulling plate, and springs sleeved on the outer sides of the locating pins are arranged between the pulling plate and the bottoms of the mounting grooves. Preferably, the brush is close to the fixed connector that is equipped with of one end of toper filter screen, the connector lateral wall is equipped with a pair of inserted bar, transmission shaft one end is equipped with supplies inserted bar male jack, the connector with pass through fixing bolt connection between the transmission shaft. Preferably, the lower wall of the filter pipe and the lower part of the conical filter net are provided with ash dropping openings, and the ash collecting box is detachably arranged below the ash dropping openings through butterfly bolts. Advantageous effects The utility model provides a roadway ventilation filtering device, which has the following beneficial effects: The design of the conical filter screen increases the filtering area, can more effectively filter the air in a roadway, improves the filtering efficiency, and meanwhile, the hairbrush is in sliding fit with the outer wall of the conical filter screen, and the motor of the driving assembly drives the main gear, so that the main gear drives the auxiliary gear and the main shaft to rotate, thereby enabling the transmission shaft to rotate, realizing the cleaning of the hairbrush to the filter screen, preventin