Dust falling device for tunnel blasting

Abstract

The utility model discloses a dust falling device for tunnel blasting. The dust falling device comprises a dust falling box. A pump body is mounted on the inner side of the dust falling box, and a motor is mounted on one side of the outer wall of the dust falling box; a water tank is arranged on one side of the dust falling box, a spray head is arranged on one side of the water tank, and a brush is arranged on one side of the spray head; wherein a baffle is arranged on the other side of the spray head, and a reset spring is arranged on one side of the baffle; wherein a connecting rod is arranged at one end of the spray head, a rotating shaft is arranged on one side of the connecting rod, a rotating disc is arranged on the other side of the connecting rod, the situation that dust falls on the spray head, and consequently the spray head is blocked is avoided by arranging a cleaning block and a brush on one side of the spray head, and by arranging a baffle, an extending block, a guide rod and a reset spring, the spray head is more convenient to clean. And the motor is arranged to drive the rotating disc to rotate, the dust falling range of the spray head is enlarged, and therefore the dust falling effect of the spray head is conveniently improved.

Description

Technical Field

[0001] The utility model relates to the field of tunnel dust removal, in particular to a dust reduction device for tunnel blasting. Background Art

[0002] In order to improve the efficiency of tunnel construction, blasting is often used to improve the efficiency of tunnel construction. During the blasting process, a large amount of dust will appear, which will affect the construction environment and thus affect the health of construction workers.

[0003] Publication No. CN218166405U discloses a tunnel blasting rapid dust reduction device, which relates to the technical field of tunnel blasting, and solves the current problem that the device is generally fixed on a nozzle bracket and is used for spraying and dust reduction in only one direction, thereby limiting the spraying range; causing the dust reduction device to be unable to effectively reduce dust, thereby reducing the practicality of the dust reduction device. The device comprises a processing box, a fixed box is fixedly installed on the top of one side of the processing box, a driving assembly is provided at the bottom end of the inner wall of the processing box, the driving assembly comprises a reduction motor, a rotating plate, a fixed column and a roller, the reduction motor is fixedly installed on one side of the bottom end of the inner wall of the processing box, the transmission shaft of the reduction motor is fixedly installed with a rotating plate, and one end of the rotating plate is fixedly installed with a fixed column; the utility model has the effect of greatly improving the spraying range of the rapid dust reduction device, and can be used for spraying and dust reduction in multiple directions, thereby improving the dust reduction effect and the usability of the dust reduction device itself, but the patent still has the following problems in actual use:

[0004] The device drives the rotation of the nozzle through the rack plate to achieve the effect of increasing the dust reduction range. However, since the nozzle is exposed to the air, dust in the air is easy to fall on the nozzle, causing the nozzle to be blocked, affecting the dust reduction efficiency of the nozzle. In addition, the nozzle is exposed to the outside of the nozzle, and gravel is prone to appear in the tunnel after blasting, so the position of the nozzle is prone to damage, resulting in a shorter service life of the device.

[0005] A dust suppression device for tunnel blasting is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a dust suppression device for tunnel blasting to solve the problem proposed in the above-mentioned background technology that the current device drives the rotation of the nozzle through a rack plate to achieve the effect of increasing the dust suppression range, but because the nozzle is exposed to the air, dust in the air is easy to fall on the nozzle, thereby causing the nozzle to be blocked, affecting the dust suppression efficiency of the nozzle, and the outside of the nozzle is exposed, and gravel is easy to appear in the tunnel after blasting, so the position of the nozzle is easy to be damaged, resulting in a problem of a short service life of the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust reduction device for tunnel blasting, comprising a dust reduction box;

[0008] A pump body is installed on the inner side of the dust reduction box, and a motor is installed on one side of the outer wall of the dust reduction box;

[0009] Also includes:

[0010] A water tank is provided on one side of the dust reduction box, a nozzle is provided on one side of the water tank, and a brush is provided on one side of the nozzle;

[0011] Wherein, a baffle is arranged on the other side of the nozzle, and a return spring is arranged on one side of the baffle;

[0012] Among them, a connecting rod is arranged at one end of the nozzle, a rotating shaft is arranged at one side of the connecting rod, and a rotating disk is arranged at the other side of the connecting rod.

[0013] Preferably, a handle is fixedly connected to the top of one end of the dust reduction box, and a water tank is installed at one end of the inner side of the dust reduction box, and a water pipe is provided on one side of the water tank, and a nozzle is fixedly connected to one end of the water pipe, and a brush is overlapped on one side of the nozzle, and a cleaning block is fixedly connected to one side of the brush to facilitate cleaning of the nozzle.

[0014] Preferably, an extension block is fixedly connected to one side of one end of the baffle, and a limiting block is slidably connected to one side of the baffle, and a guide rod is fixedly connected to one end of the baffle, and a return spring is sleeved on the outer side of the guide rod, and a clearance groove is provided on one side of the baffle to facilitate covering the clearance groove by the baffle.

[0015] Preferably, a rotating shaft is rotatably connected in the middle of one side of the connecting rod, and a sliding groove is opened at one end of the connecting rod, and a sliding block is slidably connected in the middle of the sliding groove, and a turntable is fixedly connected at one end of the sliding block to facilitate driving the nozzle to rotate.

[0016] Preferably, one end of the water tank is connected to one side of the pump body, and the other side of the pump body is connected to one side of the water pipe, and both ends of the cleaning block are fixedly connected to the inner side of the top of the dust reduction box, which is convenient for installing the brush.

[0017] Preferably, the extension block is arranged on a side of the baffle plate close to the clearance groove, and the limit block is fixedly connected to one side of the dust reduction box, so as to limit the position of the baffle plate.

[0018] Preferably, one end in the middle of the turntable passes through the dust reduction box and is fixedly connected to one side of the motor, one end of the connecting rod is fixedly connected to one side of the nozzle, and one end of the rotating shaft is fixedly connected to the inner wall of the dust reduction box to facilitate the rotation of the nozzle.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the dust suppression device for tunnel blasting prevents dust from falling on the nozzle and causing blockage at the nozzle by arranging a cleaning block and a brush on one side of the nozzle, reduces the damage of the nozzle position to the crushed stone by arranging a baffle, an extension block, a guide rod and a return spring, and increases the dust suppression range of the nozzle by arranging a motor to drive the rotation of the turntable, thereby facilitating the improvement of the dust suppression effect of the nozzle. The specific contents are as follows:

[0020] 1. The device is provided with a cleaning block and a brush on one side of the nozzle, so as to facilitate cleaning of the nozzle during use, thereby preventing dust from falling on the nozzle and causing blockage at the nozzle, thereby avoiding affecting the dust reduction efficiency of the nozzle;

[0021] 2. The device is provided with a baffle, an extension block, a guide rod and a reset spring, so that the baffle is driven to move by the nozzle, so that the baffle protects the lower end of the nozzle, reduces the damage of the nozzle position by gravel, and increases the service life of the nozzle, making the device more practical;

[0022] 3. The device is provided with a motor to drive the rotation of the turntable, so that the turntable drives the connecting rod and the nozzle to rotate up and down reciprocatingly, thereby increasing the dust reduction range of the nozzle, thereby facilitating the improvement of the dust reduction effect of the nozzle and making the device more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 3 It is a schematic cross-sectional view of a local structure of the utility model;

[0026] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0027] Figure 5 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0028] In the figure: 1. dust suppression box; 2. handle; 3. water tank; 4. pump body; 5. water pipe; 6. nozzle; 7. cleaning block; 8. brush; 9. extension block; 10. baffle; 11. limit block; 12. guide rod; 13. return spring; 14. give way groove; 15. rotating shaft; 16. connecting rod; 17. sliding groove; 18. sliding block; 19. turntable; 20. motor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-5 The utility model provides a technical solution: a dust reduction device for tunnel blasting, comprising a dust reduction box 1; a pump body 4 is installed on the inner side of the dust reduction box 1, and a motor 20 is installed on one side of the outer wall of the dust reduction box 1; it also includes: a water tank 3 is provided on one side of the dust reduction box 1, and a nozzle 6 is provided on one side of the water tank 3, and a brush 8 is provided on one side of the nozzle 6; a handle 2 is fixedly connected to the top of one end of the dust reduction box 1, and a water tank 3 is installed on one end of the inner side of the dust reduction box 1, and a water pipe 5 is provided on one side of the water tank 3, and a nozzle 6 is fixedly connected to one end of the water pipe 5, and a brush 8 is overlapped on one side of the nozzle 6, and a cleaning block 7 is fixedly connected to one side of the brush 8, such as Figure 1 , 2 As shown in FIG. 4 , by providing a brush 8 , it is convenient to clean the nozzle 6 by the brush 8 , thereby avoiding the situation where dust blocks the nozzle 6 and avoiding affecting the dust reduction efficiency of the nozzle 6 .

[0031] Among them, a baffle 10 is provided on the other side of the nozzle 6, and a return spring 13 is provided on one side of the baffle 10; an extension block 9 is fixedly connected to one side of one end of the baffle 10, and a limited block 11 is slidably connected to one side of the baffle 10, and a guide rod 12 is fixedly connected to one end of the baffle 10, and a return spring 13 is sleeved on the outer side of the guide rod 12, and a clearance groove 14 is provided on one side of the baffle 10, such as Figure 1 , 5 As shown, by providing the baffle 10, one side of the clearance groove 14 is shielded, thereby reducing the damage caused by gravel to the position of the nozzle 6, thereby achieving the effect of improving the practicality of the nozzle 6.

[0032] Among them, a connecting rod 16 is provided at one end of the nozzle 6, and a rotating shaft 15 is provided on one side of the connecting rod 16, and a rotating disk 19 is provided on the other side of the connecting rod 16; the middle of one side of the connecting rod 16 is rotatably connected to the rotating shaft 15, and a sliding groove 17 is provided at one end of the connecting rod 16, and a sliding block 18 is slidably connected to the middle of the sliding groove 17, and one end of the sliding block 18 is fixedly connected to the rotating disk 19, such as Figure 1 , 2 As shown in FIG. 3 , by providing a connecting rod 16, the connecting rod 16 drives the nozzle 6 to swing, thereby increasing the dust reduction area of ​​the nozzle 6 and improving the dust reduction efficiency of the device.

[0033] One end of the water tank 3 is connected to one side of the pump body 4, and the other side of the pump body 4 is connected to one side of the water pipe 5, and both ends of the cleaning block 7 are fixedly connected to the inner side of the top of the dust suppression box 1, such as Figure 1 , 2 As shown in FIG. 4 , the position of the brush 8 can be limited by setting the cleaning block 7 , thereby facilitating cleaning of one side of the nozzle 6 .

[0034] The extension block 9 is arranged on one side of the baffle plate 10 close to the clearance groove 14, and the limit block 11 is fixedly connected to one side of the dust reduction box 1. Figure 1 , 2 As shown in Figure 5, the position of the baffle 10 is limited by the limit block 11, so as to improve the stability of the baffle 10 and make the device more stable.

[0035] One end of the middle of the turntable 19 passes through the dust reduction box 1 and is fixedly connected to one side of the motor 20, and one end of the connecting rod 16 is fixedly connected to one side of the nozzle 6, and one end of the rotating shaft 15 is fixedly connected to the inner wall of the dust reduction box 1, such as Figure 1 , 2 As shown in FIG. 3 , by setting a motor 20 to drive the rotation of the turntable 19, the turntable 19 drives the rotation of the connecting rod 16, and the position of the nozzle 6 is swung, thereby facilitating the effect of providing power for the rotation of the nozzle 6.

[0036] Working principle: When using the device, first add water into the water tank 3, then move the dust suppression box 1 to a suitable position through the handle 2, and then turn on the power of the pump body 4, so that the pump body 4 passes the water into the water pipe 5, and then passes the water in the water pipe 5 into the nozzle 6.

[0037] Secondly, the power supply of the motor 20 is turned on, so that the motor 20 drives the turntable 19 to rotate, so that the turntable 19 slides in the sliding groove 17 on one side of the connecting rod 16 through the sliding block 18, and the connecting rod 16 rotates on the rotating shaft 15, so that the connecting rod 16 drives the nozzle 6 to rotate.

[0038] Finally, when the nozzle 6 overlaps with the brush 8 on one side of the cleaning block 7, the brush 8 cleans the nozzle 6, and then the nozzle 6 overlaps with the extension block 9 on one side of the baffle 10 in the make way groove 14, and the baffle 10 is driven by the extension block 9 to slide on the inner side of the limit block 11. At this time, the return spring 13 at one end of the baffle 10 contracts on the guide rod 12, and then the nozzle 6 leaves the extension block 9 and overlaps with the brush 8 again.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust suppression device for tunnel blasting, comprising a dust suppression box (1); A pump body (4) is installed on the inner side of the dust reduction box (1), and a motor (20) is installed on one side of the outer wall of the dust reduction box (1); It is characterized in that Also includes: A water tank (3) is provided on one side of the dust reduction box (1), a nozzle (6) is provided on one side of the water tank (3), and a brush (8) is provided on one side of the nozzle (6); Wherein, a baffle (10) is arranged on the other side of the nozzle (6), and a return spring (13) is arranged on one side of the baffle (10); A connecting rod (16) is provided at one end of the spray head (6), a rotating shaft (15) is provided at one side of the connecting rod (16), and a rotating disk (19) is provided at the other side of the connecting rod (16).

2. A dust suppression device for tunnel blasting according to claim 1, characterized in that: A handle (2) is fixedly connected above one end of the dust reduction box (1), and a water tank (3) is installed at one end of the inner side of the dust reduction box (1), and a water pipe (5) is provided on one side of the water tank (3), and a nozzle (6) is fixedly connected to one end of the water pipe (5), and a brush (8) is overlapped on one side of the nozzle (6), and a cleaning block (7) is fixedly connected to one side of the brush (8).

3. The dust suppression device for tunnel blasting according to claim 1, characterized in that: One side of one end of the baffle (10) is fixedly connected to an extension block (9), and one side of the baffle (10) is slidably connected to a limit block (11), and one end of the baffle (10) is fixedly connected to a guide rod (12), and a return spring (13) is sleeved on the outer side of the guide rod (12), and a clearance groove (14) is provided on one side of the baffle (10).

4. The dust suppression device for tunnel blasting according to claim 1, characterized in that: The middle of one side of the connecting rod (16) is rotatably connected to a rotating shaft (15), one end of the connecting rod (16) is provided with a sliding groove (17), the middle of the sliding groove (17) is slidably connected to a sliding block (18), and one end of the sliding block (18) is fixedly connected to a rotating disk (19).

5. The dust suppression device for tunnel blasting according to claim 2, characterized in that: One end of the water tank (3) is connected to one side of the pump body (4), and the other side of the pump body (4) is connected to one side of the water pipe (5), and both ends of the cleaning block (7) are fixedly connected to the inner side of the top of the dust suppression box (1).

6. The dust suppression device for tunnel blasting according to claim 3, characterized in that: The extension block (9) is arranged on a side of the baffle plate (10) close to the clearance groove (14), and the limit block (11) is fixedly connected to one side of the dust reduction box (1).

7. The dust suppression device for tunnel blasting according to claim 4, characterized in that: One end in the middle of the turntable (19) passes through the dust reduction box (1) and is fixedly connected to one side of the motor (20), one end of the connecting rod (16) is fixedly connected to one side of the nozzle (6), and one end of the rotating shaft (15) is fixedly connected to the inner wall of the dust reduction box (1).

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