Dust collecting equipment for tunnel construction

Abstract

The utility model relates to dust collection equipment for tunnel construction, which comprises a base, a dust collection box, a negative pressure mechanism and a dust collection assembly, the dust collection box is fixed on the base, the dust collection assembly is arranged on the side wall of the dust collection box, the dust collection assembly is communicated with the dust collection box, and the dust collection assembly is used for collecting dust in the dust collection box under the action of the negative pressure mechanism. The dust suction assembly is arranged in the dust suction box and sucks external dust into the dust suction box, the dust suction assembly comprises a dust suction pipe, a dust suction disc and a filter screen, one end of the dust suction pipe is communicated with the dust suction box, the other end of the dust suction pipe is communicated with the dust suction disc, the filter screen is arranged in the dust suction disc, and under the action of a negative pressure mechanism, the dust suction disc is arranged in the dust suction box. The dust suction assembly sucks dust in an external tunnel into the dust suction box through the suction cup and the dust suction pipe in sequence, and collection of dust generated by various types of operation in the tunnel is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tunnel construction, especially to a dust collecting equipment for tunnel construction. BACKGROUND

[0002] In the tunnel construction process, a large amount of dust will inevitably be produced. The sources of these dusts are extensive, mainly including blasting, drilling, excavation, slagging and other construction links. For example, blasting operation will make the rock break instantly, and a large amount of dust particles with different particle sizes will diffuse in the tunnel space; the friction between the drill bit and the rock will also continuously produce dust, and the amount of dust will continuously accumulate with the increase of drilling depth.

[0003] The large amount of dust produced in the tunnel construction brings many serious hazards to the construction environment and personnel health. From the perspective of construction environment, high concentration of dust will greatly reduce the visibility in the tunnel. In actual construction scene, the visibility may be reduced to several meters or even lower, which makes it difficult for the construction personnel to clearly observe the running state of the construction equipment and the surrounding construction situation, increases the difficulty and risk of construction operation, and easily causes various construction accidents. At the same time, dust also accelerates the wear of construction equipment and shortens the service life of equipment. For example, dust entering the key components of mechanical equipment, such as engine, hydraulic system, etc., will intensify the friction between components, cause the performance of equipment to decline, and increase the maintenance cost. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a dust collecting equipment for tunnel construction.

[0005] The dust collecting equipment for tunnel construction provided by the utility model adopts the following technical scheme:

[0006] A dust collecting equipment for tunnel construction, comprising a base, a dust collecting box, a negative pressure mechanism and a dust collecting assembly, the dust collecting box is fixed on the base, the dust collecting assembly is arranged on the side wall of the dust collecting box, the dust collecting assembly communicates with the dust collecting box, the dust collecting assembly sucks external dust into the dust collecting box under the action of the negative pressure mechanism, the dust collecting assembly comprises a dust collecting pipe, a dust collecting disc and a filter screen, one end of the dust collecting pipe communicates with the dust collecting box, the other end of the dust collecting pipe communicates with the dust collecting disc, and the filter screen is arranged in the dust collecting disc.

[0007] Preferably, the cleaning assembly further comprises a fixing frame, a motor, a belt pulley one, a belt pulley two, a belt pulley three, a belt pulley four, a transmission belt one, a transmission belt two, a transmission shaft, a rotating shaft and a brush rod, the rotating shaft is rotationally connected at the center of the filter screen, the two ends of the rotating shaft are respectively connected with the brush rod and the belt pulley four, the belt pulley four is arranged on the side of the filter screen close to the dust suction pipe, the brush rod is arranged on the side of the filter screen away from the dust suction pipe, a groove is formed on the dust suction disc, the transmission belt two passes through the groove and is sleeved on the belt pulley four and the belt pulley three, the belt pulley three is fixed on one end of the transmission shaft, the other end of the transmission shaft is connected with the belt pulley two, the transmission shaft is rotationally connected on the fixing frame, one end of the fixing frame is fixedly connected with the outer wall of the dust suction box, the motor is arranged below the fixing frame, the output end of the motor is connected with the belt pulley one, and the belt pulley one and the belt pulley two are connected through the transmission belt one.

[0008] Preferably, a blanking groove is arranged on the base, and a discharge port is formed on the dust suction disc, the horizontal height of the discharge port is equal to the horizontal height of the brush rod, and the discharge port is arranged close to the dust suction box.

[0009] Preferably, a limiting ring plate is arranged at the bottom of the dust suction disc.

[0010] Preferably, at least four dust suction assemblies are arranged, and two dust suction assemblies are arranged on the left and right side walls of the dust suction box.

[0011] Preferably, wheels are arranged below the base.

[0012] In summary, the utility model has at least one of the following beneficial technical effects:

[0013] 1. Under the action of the negative pressure mechanism, the dust suction assembly sequentially sucks the dust in the external tunnel into the dust suction box through the dust suction disc and the dust suction pipe, so that the dust generated by various types of work in the tunnel is collected;

[0014] 2. During the dust suction process, the motor drives the belt pulley one to rotate, the belt pulley two is driven to rotate through the transmission belt one, the transmission shaft and the belt pulley three fixed thereon are driven to rotate, the belt pulley four is driven to rotate through the transmission belt two, the rotating shaft connected with the belt pulley four is rotated, and finally the brush rod is rotated, so that the automatic rotation of the brush rod is realized, manual cleaning is not needed, the filter screen can be continuously cleaned, the large-particle impurities such as stones blocked on the filter screen can be timely removed, the filter screen is prevented from being blocked, the permeability of the filter screen is maintained, the dust suction process can be smoothly performed, the dust suction efficiency is effectively guaranteed, and the dust collection equipment can be stably and efficiently operated;

[0015] 3. A material drop trough is set on the base, and a material outlet is opened on the dust collection plate. The horizontal height of the material outlet is the same as that of the brush rod. This ingenious design allows large particles of debris such as gravel brushed off by the brush rod to be directly discharged through the material outlet under the action of centrifugal force when cleaning the filter screen. The position of the material outlet close to the dust collection box further ensures that the debris can move smoothly towards the material drop trough, avoiding the debris from being scattered disorderly in the dust collection plate. This achieves effective guidance of gravel and other debris, enabling them to be discharged in a concentrated manner, which is convenient for subsequent unified collection and treatment. Attached Figure Description

[0016] Fig. 1 This is a schematic diagram of a dust collection device used in tunnel construction.

[0017] Fig. 2 This is a schematic diagram of the other side of a dust collection device used in tunnel construction.

[0018] Fig. 3 This is a schematic diagram illustrating the structure of the vacuum cleaner tray and some cleaning components.

[0019] Explanation of reference numerals in the attached drawings: 1. Base; 2. Dust collection box; 3. Negative pressure mechanism; 4. Dust collection assembly; 41. Dust collection pipe; 42. Dust collection disc; 43. Filter screen; 5. Cleaning assembly; 501. Fixing frame; 502. Motor; 503. Belt pulley one; 504. Belt pulley two; 505. Belt pulley three; 506. Belt pulley four; 507. Drive belt one; 508. Drive belt two; 509. Drive shaft; 510. Rotating shaft; 511. Brush rod; 512. Groove; 513. Discharge port; 514. Limiting ring plate; 6. Material drop chute; 7. Wheel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] Furthermore, "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0023] This utility model discloses a dust collection device for tunnel construction.

[0024] Example 1

[0025] Reference Figs. 1-3 A dust collection device for tunnel construction includes a base 1, a dust collection box 2, a negative pressure mechanism 3, and a dust collection component 4. The dust collection box 2 is fixed on the base 1, and the dust collection component 4 is disposed on the side wall of the dust collection box 2 and is connected to the dust collection box 2. Under the action of the negative pressure mechanism 3, the dust collection component 4 draws external dust into the dust collection box 2. The dust collection component 4 includes a dust collection pipe 41, a dust collection disc 42, and a filter screen 43. One end of the dust collection pipe 41 is connected to the dust collection box 2, and the other end of the dust collection pipe 41 is connected to the dust collection disc 42. The filter screen 43 is disposed inside the dust collection disc 42. Through this design, under the action of the negative pressure mechanism 3, the dust collection component 4 draws dust from the outside tunnel into the dust collection box 2 through the dust collection disc and the dust collection pipe 41, thereby collecting dust generated by various types of operations in the tunnel.

[0026] The above embodiment also has shortcomings. In addition to dust, there are also large particles of debris such as gravel in the tunnel. These gravel cannot pass through the holes of the filter screen 43 and enter the dust collection box 2. Under the action of negative pressure suction, they will block the filter screen 43, resulting in a reduction in dust collection efficiency.

[0027] Example 2

[0028] It also includes a cleaning component 5, which includes a fixed frame 501, a motor 502, a first pulley 503, a second pulley 504, a third pulley 505, a fourth pulley 506, a first transmission belt 507, a second transmission belt 508, a drive shaft 509, a rotating shaft 510, and a brush rod 511. The rotating shaft 510 is rotatably connected to the center of the filter screen 43. The two ends of the rotating shaft 510 are respectively connected to the brush rod 511 and the fourth pulley 506. The fourth pulley 506 is located on the side of the filter screen 43 closer to the suction pipe 41, and the brush rod 511 is located on the side of the filter screen 43 away from the suction pipe 41. The suction disc 42 has a groove 512. The second transmission belt 508 passes through the groove 512 and is sleeved on the fourth pulley 506 and the belt. On wheel 3 505, pulley 3 505 is fixed to one end of drive shaft 509, and the other end of drive shaft 509 is connected to pulley 2 504. Drive shaft 509 is rotatably connected to fixed frame 501. One end of fixed frame 501 is fixed to the outer wall of dust collection box 2. Motor 502 is located below fixed frame 501. The output end of motor 502 is connected to pulley 1 503. Power is transmitted between pulley 1 503 and pulley 2 504 through drive belt 1 507. With this design, during the dust collection process, motor 502 drives pulley 1 503 to rotate, and pulley 2 504 is rotated through drive belt 1 507, which in turn drives drive shaft 509 and pulley 3 505 fixed on it to rotate. Belt pulley 3 505 drives belt pulley 4 506 to rotate via transmission belt 2 508, thereby rotating shaft 510 connected to belt pulley 4 506, which in turn drives brush rod 511 to rotate. This transmission process enables automatic rotation of brush rod 511, eliminating the need for manual cleaning. It can continuously clean filter screen 43, promptly removing large particles such as gravel that clog the filter screen 43, preventing the filter screen 43 from becoming clogged, and keeping the filter screen 43 permeable. This ensures smooth dust collection, effectively guaranteeing dust collection efficiency and ensuring stable and efficient operation of the dust collection equipment.

[0029] Although Example 2 can automatically keep the filter screen 43 clean, the fallen gravel and other debris will still be re-adsorbed onto the filter screen 43, which is not convenient for unified collection. Therefore, Example 3 solves the above problems.

[0030] Example 3

[0031] The base 1 is provided with a material discharge groove 6, and the dust collection plate 42 is provided with a material outlet 513. The horizontal height of the material outlet 513 is equal to the horizontal height of the brush rod 511. The material outlet 513 is located near the dust collection box 2. The bottom of the dust collection plate is provided with a limiting ring plate 514. The material discharge groove 6 is provided on the base 1, and the material outlet 513 is provided on the dust collection plate 42. The horizontal height of the material outlet 513 is the same as the horizontal height of the brush rod 511. This ingenious design allows large particles of debris such as gravel brushed off by the brush rod 511 to be discharged directly through the material outlet 513 under the action of centrifugal force when cleaning the filter screen 43. The location of the material outlet 513 near the dust collection box 2 further ensures that the debris can move smoothly towards the material discharge groove 6, avoiding the debris from being scattered disorderly in the dust collection plate 42. It achieves effective guidance of gravel and other debris, enabling them to be discharged in a concentrated manner, which is convenient for subsequent unified collection and treatment.

[0032] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A dust collection device for tunnel construction, characterized in that: The device includes a base (1), a dust collection box (2), a negative pressure mechanism (3), and a dust collection assembly (4). The dust collection box (2) is fixed on the base (1). The dust collection assembly (4) is disposed on the side wall of the dust collection box (2) and is connected to the dust collection box (2). Under the action of the negative pressure mechanism (3), the dust collection assembly (4) sucks external dust into the dust collection box (2). The dust collection assembly (4) includes a suction pipe (41), a suction disc (42), and a filter (43). One end of the suction pipe (41) is connected to the dust collection box (2), and the other end of the suction pipe (41) is connected to the suction disc (42). The filter (43) is disposed inside the suction disc (42).

2. The dust collection device for tunnel construction according to claim 1, characterized in that: It also includes a cleaning assembly (5), which includes a fixing frame (501), a motor (502), a first pulley (503), a second pulley (504), a third pulley (505), a fourth pulley (506), a first transmission belt (507), a second transmission belt (508), a transmission shaft (509), a rotating shaft (510), and a brush rod (511). The rotating shaft (510) is rotatably connected to the center of the filter screen (43). The two ends of the rotating shaft (510) are respectively connected to the brush rod (511) and the fourth pulley (506). The fourth pulley (506) is located on the side of the filter screen (43) near the suction pipe (41), and the brush rod (511) is located on the side of the filter screen (43) away from the suction pipe (41). The suction disc (42) The drive belt has a groove (512) on it. The second drive belt (508) passes through the groove (512) and is sleeved on the fourth pulley (506) and the third pulley (505). The third pulley (505) is fixed to one end of the drive shaft (509). The other end of the drive shaft (509) is connected to the second pulley (504). The drive shaft (509) is rotatably connected to the fixed frame (501). One end of the fixed frame (501) is fixed to the outer wall of the dust collection box (2). The motor (502) is located below the fixed frame (501). The output end of the motor (502) is connected to the first pulley (503). The first pulley (503) and the second pulley (504) transmit power between them through the first drive belt (507).

3. The dust collection device for tunnel construction according to claim 2, characterized in that: The base (1) is provided with a material drop trough (6), and the dust collection plate (42) is provided with a material outlet (513). The horizontal height of the material outlet (513) is equal to the horizontal height of the brush rod (511). The material outlet (513) is located near the dust collection box (2).

4. A dust collection device for tunnel construction according to claim 2, characterized in that: The bottom of the vacuum tray is provided with a limiting ring plate (514).

5. A dust collection device for tunnel construction according to claim 1, characterized in that: At least four vacuuming components (4) are provided, and two vacuuming components (4) are respectively provided on the left and right side walls of the vacuuming box (2).

6. A dust collection device for tunnel construction according to claim 1, characterized in that: A wheel (7) is provided below the base (1).

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