阅读说明：本技术 一种综掘机全方位除尘器 (Combine and dig all-round dust remover of machine ) 是由 郭绍冬 郭燕 张晓光 周鸿宇 王悦 高宇 石凯杰 裴赟钢 常有 李美梅 白旭阳 于 2019-09-23 设计创作，主要内容包括：本发明提出一种综掘机全方位除尘器,包括：总支撑架、喷雾系统和捕尘装置,总支撑架设置在综掘机的旋转机构上,喷雾系统设置在总支撑架上；喷雾系统包括n个导水管、两个蓄水管和2n个喷雾嘴,n是大于等于1的整数,n个导水管横向设置在两个蓄水管之间并与其连通,一个喷雾嘴设置在蓄水管上的一个导水管连接处,一个蓄水管的端部设置有进水接头；捕尘装置包括捕尘网,捕尘网的外侧位于喷雾系统外侧的蓄水管侧,并通过喷雾嘴压紧在该侧的蓄水管上,内侧与总支撑架连接,捕尘网铺满喷雾系统。本发明的综掘机全方位除尘器,喷雾系统和捕尘装置结合,从源头上降尘,真正起到降尘效果,提高降尘效率。(The invention provides an all-directional dust remover of a fully-mechanized excavating machine, which comprises: the dust collecting device comprises a main support frame, a spraying system and a dust collecting device, wherein the main support frame is arranged on a rotating mechanism of the fully-mechanized excavating machine, and the spraying system is arranged on the main support frame; the spraying system comprises n water guide pipes, two water storage pipes and 2n spraying nozzles, wherein n is an integer larger than or equal to 1, the n water guide pipes are transversely arranged between the two water storage pipes and communicated with the two water storage pipes, one spraying nozzle is arranged at the joint of the water guide pipes on the water storage pipes, and the end part of one water storage pipe is provided with a water inlet joint; the dust catching device comprises a dust catching net, the outer side of the dust catching net is positioned on the water storage pipe side outside the spraying system and is pressed on the water storage pipe on the side through a spraying nozzle, the inner side of the dust catching net is connected with the main support frame, and the dust catching net is paved on the spraying system. The comprehensive excavator omnibearing dust remover disclosed by the invention has the advantages that the spraying system is combined with the dust catching device, the dust is reduced from the source, the dust reduction effect is really realized, and the dust reduction efficiency is improved.)

1. The utility model provides a combine all-round dust remover of machine of digging which characterized in that includes: the dust collecting device comprises a main support frame, a spraying system and a dust collecting device, wherein the main support frame is arranged on a rotating mechanism of the fully-mechanized excavating machine, and the spraying system is arranged on the main support frame; the spraying system comprises n water guide pipes, two water storage pipes and 2n spraying nozzles, wherein n is an integer larger than or equal to 1, the n water guide pipes are transversely arranged between the two water storage pipes and communicated with the two water storage pipes, one spraying nozzle is arranged at the joint of the water guide pipes on the water storage pipes, and the end part of one water storage pipe is provided with a water inlet joint;

the dust catching device comprises a dust catching net, the outer side of the dust catching net is positioned on the water storage pipe side outside the spraying system and is pressed on the water storage pipe on the side through a spraying nozzle, the inner side of the dust catching net is connected with the main support frame, and the dust catching net is paved on the spraying system.

2. The comprehensive excavator full-direction dust collector of claim 1, further comprising a spraying bracket, wherein the spraying bracket is connected with the top of the main supporting frame, and the spraying system is connected with the spraying bracket.

3. The comprehensive excavator comprehensive dust collector of claim 2, wherein two groups of spraying systems are arranged on the main supporting frame, and are respectively arranged on two sides of the spraying support and are respectively connected with the spraying support; the water guide pipes of the two groups of spraying systems are arranged in a staggered manner;

all be provided with on two sets of water spraying systems and catch the dirt device, the outside of two dust catching nets sets up the retaining pipe side in two sets of water spraying systems outsides respectively, and the inboard all sets up on a clamp plate, clamp plate and spraying leg joint.

4. The comprehensive excavator omnibearing dust collector of claim 3, wherein the main support frame comprises a T-shaped base and a lifting cylinder, a connecting hole is formed in a transverse plate body of the T-shaped base, support hanging lugs are respectively arranged at two ends of the transverse plate body, and a connecting pin is arranged on one support hanging lug; a connecting hole and an oil cylinder base are arranged on the vertical plate body of the T-shaped base; the bottom end of the lifting oil cylinder is connected with the oil cylinder base.

5. The comprehensive tunneling machine all-directional dust remover according to claim 4, wherein the spray support comprises a support framework and a connecting base, the connecting base is fixedly connected to the bottom end of the support framework, the connecting base corresponds to the support hanging lug, and one connecting base is connected with one support hanging lug through a pin shaft; an oil cylinder support is arranged in the middle of the inner side of the supporting framework and is hinged with the top end of the lifting oil cylinder; and n placing holes are respectively formed in two sides of the supporting framework and are respectively used for limiting the water guide pipes of the two groups of spraying systems.

6. The comprehensive tunneling machine all-directional dust remover according to claim 5, wherein the spray bracket further comprises two push-pull cylinders;

oil cylinder frames are respectively arranged on two sides of the oil cylinder support in the supporting framework, and a connecting lug is arranged on the outer side of each oil cylinder frame;

a support lug is arranged on the outer side of the water storage pipe on the inner side of each group of spraying systems;

the base of the push-pull oil cylinder is connected with a connecting lug on an oil cylinder frame, and the driving end of the push-pull oil cylinder is connected with a support lug on the water storage pipe on the side where the driving end is located; the base of the other push-pull oil cylinder is connected with a connecting lug on the other oil cylinder frame, and the driving end of the other push-pull oil cylinder is connected with a support lug on the water storage pipe on the side where the driving end is located.

7. The comprehensive tunneling machine all-directional dust collector of claim 5, wherein the dust catching net of the dust catching device is a foldable dust catching net.

Technical Field

The invention relates to the technical field of underground coal mine dust removal, in particular to an all-directional dust remover of a fully-mechanized excavating machine.

Background

Coal dust is generated when the cutting head of the underground coal mine fully-mechanized excavating machine works. Due to the narrow underground coal mining space, the variable working places and the poor ventilation effect, the quantity of dust generated in the mining process is increased sharply with the continuous improvement of the comprehensive mechanization degree of the coal mining working face and the continuous application of high-power equipment. At present, a plurality of dust removing devices such as an axial flow type dust removing fan, an air curtain dust catching net, a nozzle water spraying dust removing device and the like are used for removing dust in a coal mine tunnel, but the dust removing devices are arranged at positions far away from a driving and developing working face, and the dust removing effect on the driving and developing working face is not really achieved.

Disclosure of Invention

The invention provides an all-directional dust remover of a fully-mechanized excavating machine, aiming at solving the problem that the underground coal mine does not really remove dust on a tunneling and developing working face in the prior art.

The technical scheme of the invention is realized as follows:

an all-round dust remover of roadheader, includes: the dust collecting device comprises a main support frame, a spraying system and a dust collecting device, wherein the main support frame is arranged on a rotating mechanism of the fully-mechanized excavating machine, and the spraying system is arranged on the main support frame; the spraying system comprises n water guide pipes, two water storage pipes and 2n spraying nozzles, wherein n is an integer larger than or equal to 1, the n water guide pipes are transversely arranged between the two water storage pipes and communicated with the two water storage pipes, one spraying nozzle is arranged at the joint of the water guide pipes on the water storage pipes, and the end part of one water storage pipe is provided with a water inlet joint;

the dust catching device comprises a dust catching net, the outer side of the dust catching net is positioned on the water storage pipe side outside the spraying system and is pressed on the water storage pipe on the side through a spraying nozzle, the inner side of the dust catching net is connected with the main support frame, and the dust catching net is paved on the spraying system.

Preferably, the fully-mechanized excavating machine all-directional dust remover further comprises a spraying support, the spraying support is connected with the top of the main support frame, and the spraying system is connected with the spraying support.

Preferably, two groups of spraying systems are arranged on the total support frame, and are respectively arranged on two sides of the spraying support frame and are respectively connected with the spraying support frame; the water guide pipes of the two groups of spraying systems are arranged in a staggered manner;

all be provided with on two sets of water spraying systems and catch the dirt device, the outside of two dust catching nets sets up the retaining pipe side in two sets of water spraying systems outsides respectively, and the inboard all sets up on a clamp plate, clamp plate and spraying leg joint.

Preferably, the main support frame comprises a T-shaped base and a lifting oil cylinder, a connecting hole is formed in a transverse plate body of the T-shaped base, support hanging lugs are respectively arranged at two ends of the transverse plate body, and a connecting pin is arranged on one support hanging lug; a connecting hole and an oil cylinder base are arranged on the vertical plate body of the T-shaped base; the bottom end of the lifting oil cylinder is connected with the oil cylinder base.

Preferably, the spraying support comprises a supporting framework and a connecting base, the connecting base is fixedly connected to the bottom end of the supporting framework, the connecting base corresponds to the support hanging lug, and one connecting base is connected with one support hanging lug through a pin shaft; an oil cylinder support is arranged in the middle of the inner side of the supporting framework and is hinged with the top end of the lifting oil cylinder; and n placing holes are respectively formed in two sides of the supporting framework and are respectively used for limiting the water guide pipes of the two groups of spraying systems.

Preferably, the spraying bracket further comprises two push-pull oil cylinders;

oil cylinder frames are respectively arranged on two sides of the oil cylinder support in the supporting framework, and a connecting lug is arranged on the outer side of each oil cylinder frame;

a support lug is arranged on the outer side of the water storage pipe on the inner side of each group of spraying systems;

the base of the push-pull oil cylinder is connected with a connecting lug on an oil cylinder frame, and the driving end of the push-pull oil cylinder is connected with a support lug on the water storage pipe on the side where the driving end is located; the base of the other push-pull oil cylinder is connected with a connecting lug on the other oil cylinder frame, and the driving end of the other push-pull oil cylinder is connected with a support lug on the water storage pipe on the side where the driving end is located.

Preferably, the dust catching net of the dust catching device is a foldable dust catching net.

The invention has the beneficial effects that: according to the comprehensive excavator omnibearing dust remover, the spraying system is arranged on the rotating mechanism of the comprehensive excavator, the spraying system and the dust catching device are combined to reduce dust, the dust reducing effect is achieved from the source, the dust reducing efficiency is improved, and the dust catching device actively reduces dust. Two groups of spraying systems are arranged on the main supporting frame, dust catching devices are arranged on the two groups of spraying systems, and two push-pull oil cylinders of the spraying support push the two groups of spraying systems outwards respectively, so that the spraying area is increased, and the dust settling efficiency is improved; meanwhile, one side of the dust catching device moves along with the outward movement of the spraying system, the other side of the dust catching device is fixed on the main supporting frame, and a dust catching net of the dust catching device opens along with the outward movement of the spraying system, so that the dust catching function is synchronously realized. Have lift cylinder between total support frame and the spraying, lift cylinder drive spraying support goes up and down, and spraying support drives spraying system and catches the lift of dirt device, and spraying system and the lift removal of catching the dirt device realize diversified dust fall, very big improvement dust fall efficiency and dust fall effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a spraying system of an all-directional dust remover of a roadheader of the invention;

FIG. 2 is a general supporting frame of the comprehensive excavator omnibearing dust remover of the invention;

FIG. 3 is a spraying bracket of the comprehensive excavator omnibearing dust remover of the invention;

FIG. 4 is a dust catching device of the comprehensive excavator omnibearing dust remover of the invention;

fig. 5 is a schematic diagram of the connection of the lifting cylinder and the push-pull cylinder of the comprehensive excavator omnibearing dust remover and the liquid control valve group of the comprehensive excavator.

In the figure:

1. a spray system; 2. a total support frame; 3. a spray support; 4. a dust catching device; 5. a lift cylinder; 6. a liquid control valve group; 11. a water conduit; 12. a water storage pipe; 13. a spray nozzle; 14. a water inlet joint; 15. a holder ear; 21. a T-shaped base; 22. hanging a bracket; 23. an oil cylinder base; 31. a support framework; 32. connecting a base; 33. a push-pull oil cylinder; 34. an oil cylinder support; 35. a cylinder frame; 36. a liquid inlet; 37. a liquid outlet; 41. a dust catching net; 42. pressing a plate; 51. a liquid inlet; 52. a liquid outlet; 61. a liquid outlet; 62. a liquid return port; 63. and (4) a liquid inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.