External tunneling machine cutting part cutting head for sealing water

A cutting head and cutting part technology, applied in the field of cutting heads, can solve problems such as water leakage and oil cavity, and achieve the effects of reasonable structure, simple structure and solving the problem of emulsification

Inactive Publication Date: 2007-12-12
SANY HEAVY EQUIP
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Problems solved by technology

[0004] In order to solve the emulsification problem of the lubricating oil cavity (into the water) of the bearing lubricating oil chamber (into water) of the telescopic part of the roadheader currently used, the present invention provides a cutting head (or called the cutting part) of the cutting part of the roadheading machine with an external water seal. The spray water source in the cutting head is diverted from the input of the center cutting head shaft and directly injected into the cutting head instead of passing through the cutting head shaft, thus solving the problem of water leakage through the cutting head shaft and water leakage from the oil chamber

Method used

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  • External tunneling machine cutting part cutting head for sealing water
  • External tunneling machine cutting part cutting head for sealing water

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Embodiment Construction

[0013] As shown in Fig. 1 and Fig. 2, the water of the cutting head of the cutting part of the cutting part of the water-sealed external roadheader of the present invention comes from the water inlet 9, and is directly injected into the water spray port 1 through the water hole 10 in the cutting head, Achieve inner spray.

[0014] In the present invention, the spray water source in the cutting head of the cutting part of the roadheader is diverted from the input of the central cutting head shaft 8 and directly injected into the outer cutting head 7 instead of passing through the cutting head shaft 8, thereby solving the problem of transporting water through the cutting head shaft 8 Defects in the waterway, water leakage and oil cavity. As shown in the figure, new parts are added: special packing for ash and slag medium 2, spacer 3, pressure ring 4, screw 5, washer 6. The special packing 2 for ash and slag medium is located between the water passage hole 10 and the water inlet...

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Abstract

The invention relates to cutting part (or as incision part) cutting head of water seal external development machine, for specific the inner spray waterhead of the cutting head from the center cutting head axis diverts directly input the external cutting head, and no longer by cutting head axis, so as to avoid water leakage oil cavity defects solving the problem of the oil (water) emulsion in the development machine flexing part. The invention reasonable structure, constitution simple, changed the cutting head spray water supply lines, significantly extended examine cycle and use life of the development machine.

Description

technical field [0001] The invention relates to a cutting head of a coal mining machine, in particular to a cutting head of a cutting part of a roadheader with an external water seal. Background technique [0002] Chinese utility model patent (patent number: 00265616.7) discloses a cutting head of coal mining machinery, which consists of: cutting head body, inner spray nozzle, impact tooth upper cover, impact tooth, impact tooth seat, rubber hose, oil distribution plate , O-ring, sealing sleeve, rotating sealing ring, sealing ring, and spindle. The cutting head body is connected with the main shaft through a spline, the oil distribution plate is set on the main shaft and fixed on the cutting head body, and the impact teeth are installed on the impact tooth pieces on the cutting head. The product is flexible in use, and when the impact tooth is subjected to a certain resistance, it will generate a certain axial impact force, which impacts and destroys the obstacle, reduces t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21C35/187E21C25/10
Inventor 吴佳梁史成建王文耀
Owner SANY HEAVY EQUIP
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