Dust removal equipment for tunnel construction

Abstract

The utility model discloses dust removal equipment for tunnel construction, which comprises a bottom plate and a dust removal box fixedly connected with the top end of the bottom plate, and a dust removal mechanism and a cleaning mechanism are respectively mounted on the outer wall and inside the dust removal box. The device can be moved to the position where dust needs to be removed in the tunnel through the wheels and the push handle, then the exhaust fan and the pump body are started, dust in the tunnel can be sucked in through the exhaust fan, and the dust is discharged into water in the dust removal box through the exhaust pipe of the exhaust fan; sewage mixed with dust in the dust removal box can be filtered through the filter screen plate, at the moment, the pump body can suck out filtered water through the first pipeline, discharge the filtered water into the second pipeline and finally spray the filtered water out through the spray head, spraying dust removal is achieved, the two dust removal modes are combined, the dust catching effect is improved, and the dust removal effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction dust removal technical field, concretely is a dust removal equipment for tunnel construction. BACKGROUND

[0002] Tunnel refers to the engineering building that is buried in stratum, is one form of human utilization of underground space. The structure of tunnel includes main building and accessory equipment two parts, the main building is composed of hole body and hole door, the accessory equipment includes refuge hole, fire fighting equipment, emergency communication and drainage facilities, and long and big tunnel has special ventilation and lighting equipment. In the tunnel construction process, because there are more dust, therefore need to use dust removal equipment.

[0003] At present, the dust removal equipment for tunnel construction in prior art mostly carries out dust removal through single spraying mode, and the dust capture effect of this dust removal mode is poor, only the dust in the range contacted with water mist can be treated, and the dust in the position far from water mist will be scattered to all directions under the action of wind or airflow, so that the dust escape efficiency is high and the dust removal effect is not good. UTILITY MODEL CONTENT

[0004] In view of the defects of prior art, the utility model provides a dust removal equipment for tunnel construction, solves the problems that the dust removal equipment for tunnel construction in prior art mostly carries out dust removal through single spraying mode, and the dust capture effect of this dust removal mode is poor, only the dust in the range contacted with water mist can be treated, and the dust in the position far from water mist will be scattered to all directions under the action of wind or airflow.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a dust removal equipment for tunnel construction, including bottom plate and with its top end fixed connection's dust removal box, the top end and bottom end of bottom plate are connected with push handle and two pairs of wheels respectively, the inside of dust removal box is fixedly connected with filter screen, the outer wall and inner part of dust removal box are installed with dust removal mechanism and cleaning mechanism respectively;

[0006] The dust removal mechanism includes the exhaust fan fixedly connected with the top end of the dust removal box, and the exhaust pipe of the exhaust fan penetrates the dust removal box and extends above the filter screen, the lower side wall of the dust removal box is fixedly connected with the first horizontal plate, and the inside of the first horizontal plate is fixedly connected with the pump body, the suction port of the pump body is fixedly connected with the first pipeline, the water outlet of the pump body is rotatably connected with the second pipeline, and the end of the first pipeline away from the pump body is connected with the inside of the dust removal box, the top end of the second pipeline is rotatably connected with the second horizontal plate, and the outer wall of the second horizontal plate is fixedly connected with the dust removal box, and a plurality of spray heads are connected with the second pipeline.

[0007] Preferably, the cleaning mechanism comprises a screw rod rotatably connected with the inside of the dust removal box through a bearing, a support plate is fixedly connected to the sidewall of the dust removal box, a motor is fixedly connected to the inside of the support plate, the output shaft of the motor is connected with the screw rod through a shaft coupling, a cleaning brush plate is threadedly connected to the outer wall of the screw rod, the bottom end of the cleaning brush plate is in abutment with the filter screen plate, and a transmission assembly is installed on the outer side of the screw rod.

[0008] Preferably, the transmission assembly comprises a first bevel gear fixedly connected to the outer end of the screw rod, and a second bevel gear is fixedly connected to the outer wall of the second pipeline and is in engagement with the first bevel gear.

[0009] Preferably, the top end and the front end face of the dust removal box are connected with a liquid inlet portion and an observation window, respectively.

[0010] Preferably, a blowdown pipe is connected to the sidewall of the dust removal box.

[0011] Preferably, a horizontal rod is fixedly connected to the inner wall of the dust removal box, and the outer wall of the horizontal rod is in sliding connection with the through hole of the cleaning brush plate.

[0012] Beneficial effects

[0013] The dust removal equipment for tunnel construction has the following beneficial effects:

[0014] The device can be moved to the position in the tunnel where dust removal is required through the wheels and the handle, and the external power supply and control circuit of each electric appliance structure are connected with the battery and the controller on the rear end face of the dust removal box, then the air extractor and the pump body are started, dust in the tunnel can be sucked in through the air extractor, the dust is discharged into the water in the dust removal box through the exhaust pipe of the air extractor, the sewage mixed with the dust in the dust removal box is filtered through the filter screen plate, at this time, the pump body can suck out the filtered water through the first pipeline, discharge the water into the second pipeline, and finally spray out through the spray head, so that the spraying dust removal is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a sectional view of the utility model.

[0017] Figure 3 It is a local enlarged schematic view of the utility model.

[0018] Figure 4 It is a local enlarged schematic view of the utility model.

[0019] In the figure: 1, bottom plate; 2, dust removal box; 3, push handle; 4, wheel; 5, filter screen; 6, air extractor; 7, first horizontal plate; 8, pump body; 9, first pipeline; 10, second pipeline; 11, second horizontal plate; 12, spray head; 13, screw rod; 14, support plate; 15, motor; 16, first umbrella gear; 17, second umbrella gear; 18, cleaning brush plate; 19, cross rod; 20, liquid inlet; 21, observation window; 22, sewage pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a dust removal equipment for tunnel construction, including bottom plate 1 and with its top end fixed dust removal box 2, the top end and bottom end of the bottom plate 1 are connected with push handle 3 and two pairs of wheels 4 respectively, the inside of the dust removal box 2 is fixed with filter screen 5, and dust removal mechanism and cleaning mechanism are installed on the outer wall and the inside of the dust removal box 2 respectively;

[0022] The dust removal mechanism includes the air extractor 6 fixed with the top end of dust removal box 2, and the exhaust pipe of air extractor 6 penetrates dust removal box 2 and extends to the above of filter screen 5, the sidewall below of dust removal box 2 is fixed with first horizontal plate 7, and the inside of first horizontal plate 7 is fixed with pump body 8, the suction port of pump body 8 is fixed with first pipeline 9, the water outlet of pump body 8 is rotatably connected with second pipeline 10, and the end of first pipeline 9 away from pump body 8 is connected with the inside of dust removal box 2, the top end of second pipeline 10 is rotatably connected with second horizontal plate 11, and the outer wall of second horizontal plate 11 is fixed with dust removal box 2, and a plurality of spray heads 12 are communicated on second pipeline 10;

[0023] Dust removal box 2 rear end is equipped with battery pack and controller and the seal plate that can be dismantled, so that filter screen 5 can be cleaned regularly, avoid that the eye of filter screen 5 is blocked.

[0024] The embodiment is further provided with the cleaning mechanism, which comprises a screw rod 13 rotatably connected to the inside of the dust removal box 2 through a bearing, a supporting plate 14 fixed to the sidewall of the dust removal box 2, a motor 15 fixed to the inside of the supporting plate 14, an output shaft of the motor 15 connected to the screw rod 13 through a shaft coupling, and a cleaning brush plate 18 threadedly connected to the outer wall of the screw rod 13 and abutting against the filter screen plate 5 at the bottom end of the cleaning brush plate 18.

[0025] The motor 15 can be started to drive the screw rod 13 to reciprocally move regularly, and the cleaning brush plate 18 can be driven to reciprocally move by the screw rod 13 cooperating with the cross rod 19, so that the filter screen plate 5 can be cleaned by the cleaning brush plate 18 to ensure the filtering effect.

[0026] The embodiment is further provided with the transmission assembly, which comprises a first bevel gear 16 fixed to the outer end of the screw rod 13, and a second bevel gear 17 fixed to the outer wall of the second pipeline 10 and connected to the first bevel gear 16 in meshing engagement.

[0027] The screw rod 13 drives the second bevel gear 17 to rotate through the first bevel gear 16, and the second bevel gear 17 drives the spray head 12 to reciprocally rotate through the second pipeline 10, so as to improve the spray dust removal range.

[0028] The embodiment is further provided with the dust removal box 2, which is connected with a liquid inlet portion 20 and an observation window 21 at the top end and the front end face, respectively.

[0029] The liquid inlet portion 20 is provided with a cover, and the water level in the dust removal box 2 can be observed through the observation window 21.

[0030] The embodiment is further provided with the dust removal box 2, which is connected with a sewage discharge pipe 22 at the sidewall.

[0031] The sewage discharge pipe 22 is provided with a valve, and the right end of the sewage discharge pipe 22 is located above the filter screen plate 5, so that the sewage in the dust removal box 2 can be discharged through the sewage discharge pipe 22, and then new water can be filled in when the water level in the dust removal box 2 is observed to reach a certain height above the filter screen plate 5 through the observation window 21.

[0032] The embodiment is further provided with the dust removal box 2, which is connected with a sewage discharge pipe 22 at the sidewall.

[0033] The cross rod 19 is slidably connected to the through hole of the cleaning brush plate 18.

[0034] It is worth mentioning that the standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the electrical appliance structure equipment type involved can be selected according to the demand of the user, and only the use demand of the application needs to be met, and the circuit connection adopts the conventional connection mode in the prior art, the control, current detection, position feedback, prediction voltage synchronization and parameter adjustment of the electrical appliance equipment are all the prior art, and details are not described herein.

[0035] By the skilled in the art, the parts in the case are sequentially connected, the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the prior art known by the skilled in the art, and the following mainly introduces the working principle and process.

[0036] Embodiment: when the device needs to be used, the device can be moved to the position in the tunnel where dust removal is needed through the wheels 4 and the push handle 3, and the external power supply and control line of each electrical appliance structure are connected with the battery and controller on the rear end face of the dust removal box 2, then the air extractor 6 and the pump body 8 are started, the dust in the tunnel can be sucked in through the air extractor 6, and the dust is discharged into the water in the dust removal box 2 through the exhaust pipe of the air extractor 6, the sewage mixed with the dust in the dust removal box 2 can be filtered through the filter screen 5, at this time, the pump body 8 can suck out the filtered water through the first pipeline 9, discharge it into the second pipeline 10, and finally spray it out through the spray head 12, so that the spray dust removal is realized, and the dust capturing effect is improved by combining the two dust removal modes, so that the dust removal effect is better.

[0037] Then the motor 15 is started again, the output shaft of the motor 15 drives the screw rod 13 to move back and forth regularly, the screw rod 13 cooperates with the cross rod 19 to drive the cleaning brush plate 18 to move back and forth, so that the cleaning brush plate 18 can clean the filter screen 5 to ensure the filtering effect, and at the same time, the screw rod 13 drives the second umbrella gear 17 to rotate through the first umbrella gear 16, and the second umbrella gear 17 drives the spray head 12 to rotate back and forth through the second pipeline 10, so as to improve the spray dust removal range.

[0038] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0039] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A dust removal device for tunnel construction, comprising a bottom plate (1) and a dust removal box (2) fixed to the top end of the bottom plate, characterized in that: The top end and bottom end of the bottom plate (1) are connected with a push handle (3) and two pairs of wheels (4) respectively, the inside of the dust removal box (2) is fixedly connected with a filter screen (5), and the outer wall and inner wall of the dust removal box (2) are respectively provided with a dust removal mechanism and a cleaning mechanism. The dust removal mechanism comprises a suction fan (6) fixedly connected to the top end of the dust removal box (2), and the exhaust pipe of the suction fan (6) penetrates through the dust removal box (2) and extends above the filter screen (5), the lower side of the side wall of the dust removal box (2) is fixedly connected with a first horizontal plate (7), the inside of the first horizontal plate (7) is fixedly connected with a pump body (8), the water suction port of the pump body (8) is fixedly connected with a first pipeline (9), the water outlet of the pump body (8) is rotatably connected with a second pipeline (10), the end of the first pipeline (9) away from the pump body (8) is connected with the inside of the dust removal box (2), the top end of the second pipeline (10) is rotatably connected with a second horizontal plate (11), the outer wall of the second horizontal plate (11) is fixedly connected with the dust removal box (2), and a plurality of spray heads (12) are connected with the second pipeline (10).

2. The dust removal apparatus for tunnel construction according to claim 1, characterized in that, The cleaning mechanism comprises a screw rod (13) rotatably connected with the inside of the dust removal box (2) through a bearing, the side wall of the dust removal box (2) is fixedly connected with a support plate (14), the inside of the support plate (14) is fixedly connected with a motor (15), the output shaft of the motor (15) is connected with the screw rod (13) through a shaft coupling, the outer wall of the screw rod (13) is threadedly connected with a cleaning brush plate (18), the bottom end of the cleaning brush plate (18) is in abutment with the filter screen (5), and a transmission assembly is mounted on the outer side of the screw rod (13).

3. The dust removal apparatus for tunnel construction according to claim 2, characterized in that, The transmission assembly comprises a first bevel gear (16) fixedly connected to the outer end of the screw rod (13), the outer wall of the second pipeline (10) is fixedly connected with a second bevel gear (17), and the second bevel gear (17) is connected in meshing engagement with the first bevel gear (16).

4. The dust removal apparatus for tunnel construction according to claim 1, characterized in that, The top end and front end face of the dust removal box (2) are respectively connected with a liquid inlet portion (20) and an observation window (21).

5. The dust removal apparatus for tunnel construction according to claim 1, characterized in that, The side wall of the dust removal box (2) is connected with a blowdown pipe (22) in the middle.

6. The dust removal apparatus for tunnel construction according to claim 1, characterized in that, The inner wall of the dust removal box (2) is fixedly connected with a cross rod (19), and the outer wall of the cross rod (19) is slidably connected with the through hole of the cleaning brush plate (18).

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