Simple dust falling device for large-diameter pneumatic down-the-hole hammer

Abstract

The utility model relates to the technical field of dust falling of large-diameter pneumatic down-the-hole hammers, in particular to a simple dust falling device of a large-diameter pneumatic down-the-hole hammer. Comprising a pneumatic down-the-hole hammer body, and a dust falling cover is arranged on the outer side of the pneumatic down-the-hole hammer body; the dust falling cover comprises a dust falling cover body and a dust falling framework, the upper end of the dust falling cover body is installed at the upper end of a power head of the pneumatic down-the-hole hammer body through a fixing hoop, and the dust falling framework is arranged on the upper middle portion of the dust falling cover body and located at the lower end of the power head of the pneumatic down-the-hole hammer body. An atomizing nozzle is arranged on the dust falling framework; and the atomizing nozzle is connected with the simple atomizing trolley through a dust falling water pipe. The dust removal device has the advantages of being capable of meeting the dust removal requirement, effectively protecting the body health of operators, simple in structure, economical, practical and capable of saving cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to large -diameter pneumatic down -the -hole hammer dust falling technical field especially relates to a large -diameter pneumatic down -the -hole hammer dust falling simple device. BACKGROUND

[0002] Large -diameter pneumatic down -the -hole hammer is widely used in mining, infrastructure construction, geological exploration and other fields as a kind of efficient, flexible drilling tool. Large -diameter pneumatic down -the -hole hammer produces a large amount of dust in the use process, these dusts not only can influence the sight and operation accuracy of construction personnel, also can cause damage to the respiratory system of construction personnel, also can cause pollution to the surrounding environment. At present, the utility model patent with application No. 2019206025208 discloses a dust removal equipment based on pneumatic down -the -hole drill protection effect is good, it includes liquid storage tank, air inlet pipe, three-way valve, control valve, air outlet pipe, drilling machine power drill bit, drill hammer, drill rod, mounting plate, air inlet pipe valve, water drain groove, liquid outlet pipe, drain valve, liquid inlet pipe and liquid inlet pipe valve, the top right side of the liquid storage tank is communicated with the air outlet pipe, the top of the air outlet pipe is communicated with the three-way valve, the right end of the three-way valve is communicated with the air inlet pipe, the air inlet pipe is equipped with air inlet pipe valve, the air outlet pipe is equipped with control valve, the left end of the air outlet pipe is movably connected with the drilling machine power drill bit, the left end of the drilling machine power drill bit is movably connected with the drill rod, the left end of the drill rod is fixedly connected with the drill hammer, the bottom of the drilling machine power drill bit is fixedly installed with the mounting plate, the top left side of the liquid storage tank is communicated with the liquid inlet pipe, the liquid inlet pipe is equipped with liquid inlet pipe valve, the bottom left side of the liquid storage tank is communicated with the liquid outlet pipe, the bottom right side of the liquid storage tank is communicated with the drain valve, the bottom of the drain valve is movably installed with the water drain groove. The technology is to use compressed air to form high-speed airflow through small pipe, the negative pressure generated by the liquid injection to the drill bit, the liquid droplets become mist particles under the high-speed impact to the surrounding, increase the dust falling area of water mist, have excellent adsorption effect on dust. Although the size of control valve can be controlled, the liquid can be just atomized at the drill bit position, realize hole dust falling, but the structure is too complex, the manufacturing cost is too high. UTILITY MODEL CONTENTS

[0003] The utility model discloses a large -diameter pneumatic down -the -hole hammer dust falling simple device, to reach the dust falling requirement, effectively protect the health of operating personnel, simple structure, economic and practical, save the purpose of cost.

[0004] The utility model provides a large -diameter pneumatic down -the -hole hammer dust fall simple device, including pneumatic down -the -hole hammer body, the outside of pneumatic down -the -hole hammer body is provided with dust cover, the dust cover includes dust cover body and dust skeleton, and the upper end of dust cover body is installed on the power head upper end of pneumatic down -the -hole hammer body through fixed clamp, and the middle upper part of dust cover body is provided with dust skeleton, and dust skeleton is located at the power head lower end of pneumatic down -the -hole hammer body, dust skeleton is provided with atomizing nozzle, atomizing nozzle is connected simple atomization trolley through dust water pipe.

[0005] Further, the lower end of the dust cover body is provided with a support skeleton, and the bottom of the dust cover body is located outside the casing of the pneumatic down-the-hole hammer body.

[0006] Further, the simple atomization trolley includes a trolley body, a water tank and a water pump, and the water tank is arranged on the trolley body; the water inlet end of the water pump is connected to the water tank, and the water outlet end of the water pump is connected to the dust water pipe.

[0007] Further, the bottom of the trolley body is provided with a universal wheel, and the upper end of the trolley body is provided with a handle.

[0008] Further, the dust water pipe surrounds the dust skeleton for one round, and 6-12 atomizing nozzles are evenly arranged on the dust skeleton.

[0009] Further, the fixed clamp and the dust cover body are connected by bolts.

[0010] Compared with the prior art, the large-diameter pneumatic down-the-hole hammer dust fall simple device provided by the utility model has the following beneficial effects:

[0011] 1. The upper end of the dust cover body is installed on the power head upper end of the pneumatic down-the-hole hammer body through the fixed clamp, and the dust skeleton is located at the power head lower end of the pneumatic down-the-hole hammer body, so that the dust and debris generated during the operation of the large-diameter pneumatic down-the-hole hammer are blocked in the dust cover, effectively reducing the pollution to the surrounding environment.

[0012] 2. The atomizing nozzle sprays clean water into the dust cover body, dusts and debris in the dust cover body, and is discharged from the bottom of the dust cover, achieving the dust fall effect and effectively protecting the health of the operator.

[0013] 3. The simple atomization trolley and the dust cover of the utility model have simple structure, low manufacturing cost and economic practicability.

[0014] Therefore, the utility model has the positive effects of meeting the dust fall requirements, effectively protecting the health of the operator, simple structure, economic practicability and cost saving. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings disclose the specific embodiments of the utility model, wherein,

[0016] Figure 1 is a structural schematic view of the utility model;

[0017] Figure 2 is a structural schematic view of the fixed clamping hoop and dust cover body of the utility model;

[0018] Figure 3 is a structural schematic view of the dust reduction framework and atomizing nozzle of the utility model;

[0019] Figure 4 is a structural schematic view of the simple atomizing trolley of the utility model;

[0020] Figure 5 is a use state view of the utility model;

[0021] Reference signs:

[0022] 1, pneumatic down-the-hole hammer body;

[0023] 2, dust cover; 21, dust cover body; 22, dust reduction framework; 23, fixed clamping hoop; 24, atomizing nozzle; 25, support framework;

[0024] 3, simple atomizing trolley; 31, dust reduction water pipe; 32, trolley body; 33, water tank; 34, water pump; 35, universal wheel; 36, handle. DETAILED DESCRIPTION

[0025] As Figures 1-4 shown, the utility model provides a large-diameter pneumatic down-the-hole hammer dust reduction simple device, including pneumatic down-the-hole hammer body 1, the outside of pneumatic down-the-hole hammer body 1 is provided with dust cover 2;Dust cover 2 includes dust cover body 21 and dust reduction framework 22, and the upper end of dust cover body 21 is installed on the power head upper end of pneumatic down-the-hole hammer body 1 through fixed clamping hoop 23, and the middle upper part of dust cover body 21 is provided with dust reduction framework 22, and dust reduction framework 22 is located at the power head lower end of pneumatic down-the-hole hammer body 1;Dust reduction framework 22 is provided with atomizing nozzle 24;Atomizing nozzle 24 is connected simple atomizing trolley 3 through dust reduction water pipe 31.

[0026] As Figure 5As shown, the utility model in use, first, the upper end of dust cover body 21 is installed on the power head upper end of pneumatic jolt hammer body 1 through fixed clamp 23, and make dust skeleton 22 is located at the power head lower end of pneumatic jolt hammer body 1, namely install dust cover 2 on the outside of pneumatic jolt hammer body 1. Then, start simple atomization trolley 3, and water is sprayed from atomization nozzle 24. Dust cover 2 blocks the dust and debris generated when working of large diameter pneumatic jolt hammer in dust cover 2, effectively reduces the pollution to the surrounding environment. Atomization nozzle 24 sprays clean water to the inside of dust cover body 21, and the dust and debris in the dust cover body 21 are dusted, and finally are discharged from the bottom of dust cover 2, achieve the dust effect, effectively protect the health of the operator.

[0027] As Figure 1 shown, the lower end of dust cover body 21 is provided with support skeleton 25, and the bottom of dust cover body 21 is located on the outside of the casing of pneumatic jolt hammer body 1. Support skeleton 25 is circular, and support skeleton 25 makes the dust and debris in dust cover body 21 be discharged from the bottom of dust cover 2, achieves the dust effect, and effectively protects the health of the operator.

[0028] As Figure 1 , 4 shown, simple atomization trolley 3 includes trolley body 32, water tank 33 and water pump 34, and water tank 33 is arranged on trolley body 32. The water inlet end of water pump 34 is connected with water tank 33, and the water outlet end of water pump 34 is connected with dusting water pipe 31. Opening water pump 34, water pump 34 reaches clean water in water tank 33 to atomization nozzle 24 through dusting water pipe 31 to carry out dusting, which is simple in structure, economical and practical.

[0029] As Figure 1 , 4 shown, the bottom of trolley body 32 is provided with universal wheel 35, and the upper end of trolley body 32 is provided with handle 36. Handle 36 and universal wheel 35 facilitate the movement of simple atomization trolley 3, and improve the practicability.

[0030] As Figure 1 , 3 shown, dusting water pipe 31 surrounds dusting skeleton 22 for one circle, and 6-12 atomization nozzles 24 are evenly arranged on dusting skeleton 22. In combination with the specification of pneumatic jolt hammer body 1, the number of atomization nozzles 24 is reasonably designed, which can not only effectively reduce dust, but also save cost.

[0031] As Figure 1 , 2 shown, fixed clamp 23 and dust cover body 21 are connected by bolts. Two semicircular clamps are connected into fixed clamp 23 by bolts, and dust cover 2 is installed on the outside of pneumatic jolt hammer body 1, which is economical and practical.

[0032] The mounting mode, connection mode or setting mode of all the components above are common mechanical modes, such as welding, threaded connection, screw connection, etc., and the specific structure, model and coefficient index of all the components are self-owned technology, as long as the beneficial effects can be achieved.

[0033] The technical scheme of the utility model is not limited to the scope of the embodiments of the utility model, and the technical content not described in detail in the utility model is known technology.

Claims

1. A simple dust reduction device for a large-caliber pneumatic down-the-hole hammer, comprising a pneumatic down-the-hole hammer body (1), characterized in that: A dust suppression cover (2) is provided on the outer side of the pneumatic down-the-hole hammer body (1); the dust suppression cover (2) comprises a dust suppression cover body (21) and a dust suppression frame (22); the upper end of the dust suppression cover body (21) is mounted on the upper end of the power head of the pneumatic down-the-hole hammer body (1) via a fixing clamp (23); the dust suppression frame (22) is provided in the middle and upper part of the dust suppression cover body (21), and the dust suppression frame (22) is located at the lower end of the power head of the pneumatic down-the-hole hammer body (1); an atomizing nozzle (24) is provided on the dust suppression frame (22); the atomizing nozzle (24) is connected to a simple atomizing trolley (3) via a dust suppression water pipe (31).

2. The simple dust reduction device for large-caliber pneumatic down-the-hole hammer according to claim 1 is characterized in that: A support frame (25) is provided at the lower end of the dust suppression hood (21), and the bottom of the dust suppression hood (21) is located outside the casing of the pneumatic down-the-hole hammer body (1).

3. The simple dust reduction device for a large-caliber pneumatic down-the-hole hammer according to claim 1 is characterized in that: The simple atomizing trolley (3) comprises a vehicle body (32), a water tank (33) and a water pump (34). The vehicle body (32) is provided with the water tank (33); the water inlet end of the water pump (34) is connected to the water tank (33), and the water outlet end of the water pump (34) is connected to the dust suppression water pipe (31).

4. The simple dust reduction device for a large-caliber pneumatic down-the-hole hammer according to claim 3 is characterized in that: The bottom of the vehicle body (32) is provided with a universal wheel (35), and the upper end of the vehicle body (32) is provided with a handle (36).

5. The simple dust reduction device for a large-caliber pneumatic down-the-hole hammer according to claim 1 is characterized in that: The dust suppression water pipe (31) surrounds the dust suppression frame (22), and 6-12 atomizing nozzles (24) are evenly arranged on the dust suppression frame (22).

6. The simple dust reduction device for a large-caliber pneumatic down-the-hole hammer according to claim 1 is characterized in that: The fixing clamp (23) and the dust suppression cover (21) are connected by bolts.

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