CN203334964U - Lubricating device of roller bit - Google Patents

Lubricating device of roller bit Download PDF

Info

Publication number
CN203334964U
CN203334964U CN2013201255494U CN201320125549U CN203334964U CN 203334964 U CN203334964 U CN 203334964U CN 2013201255494 U CN2013201255494 U CN 2013201255494U CN 201320125549 U CN201320125549 U CN 201320125549U CN 203334964 U CN203334964 U CN 203334964U
Authority
CN
China
Prior art keywords
storing tube
piston
oil storing
bit
rock bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2013201255494U
Other languages
Chinese (zh)
Inventor
孙升
程华卫
肖永珅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGXI FEILONG ROCK BIT MANUFACTURE CO Ltd
Original Assignee
JIANGXI FEILONG ROCK BIT MANUFACTURE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201220191380 priority Critical
Priority to CN201220191380.8 priority
Application filed by JIANGXI FEILONG ROCK BIT MANUFACTURE CO Ltd filed Critical JIANGXI FEILONG ROCK BIT MANUFACTURE CO Ltd
Priority to CN2013201255494U priority patent/CN203334964U/en
Application granted granted Critical
Publication of CN203334964U publication Critical patent/CN203334964U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a lubricating device of a roller bit. The lubricating device of the roller bit is simple and reasonable in structure, can keep lubricating grease clean while ensuring that a bearing device of the roller bit is lubricated sufficiently, and prolongs the service time of the lubricating grease. The lubricating device of the roller bit comprises an oil storage pipe arranged on a bit body. A piston type sealing device is arranged at the end, close to the outer side, of the oil storage pipe. The piston type sealing device comprises a piston arranged in the oil storage pipe and a seal ring arranged on the piston.

Description

The lubricating arrangement of rock bit
Technical field
The utility model relates to a kind of drill bit, relates in particular to the lubricating arrangement of a kind of drilling well by rock bit.
Background technology
For the rock bit of mine probing use, be generally that blast by rotary drill is blown into the grease in oil storing tube in the bearing arrangement of rock bit, while making rock bit creep in mine, bearing is lubricated; But its oil storing tube of the structure of this class drill bit is used once oiling, just can't give again the oil storing tube make-up oil, after date when drill bit is used one, after the lubricant grease of oil storing tube has been consumed, cone bit bearing inside can not get lubricated fully, will speed up the wearing and tearing of bearing pair, so that have a strong impact on the application life of bearing; In addition, existing this oil storing tube structure is inadequate from protective capacities, and rock bit is when creeping into, and lubrication oil supply is easily polluted because dust and particle etc. enter oil storing tube, affects lubricant effect, even damages bearing arrangement.
The utility model content
The purpose of this utility model is the deficiency existed for prior art, and a kind of lubricating arrangement of rock bit is provided.The lubricating arrangement of this rock bit is rational in infrastructure, the bearing arrangement that can guarantee drill bit obtains fully lubricated the time, can keeping the clean, clean of lubricant grease, extends the service time of lubricant grease, so that extend the application life of rock bit, save drilling cost.
The technical solution of the utility model comprises the oil storing tube of being located on drill body, and an end in the outer part of described oil storing tube is provided with a piston type sealing device, and this piston type sealing device comprises the piston be located in oil storing tube, is located at the sealing ring on described piston.
The outside by described piston is provided with the back-up ring that be connected in oil storing tube in corresponding with this piston.
Sealing ring on described piston and coordinating of oil storing tube internal perisporium face are zero to join zero or owe to be full of cooperation.
The complement operation of the lubricating arrangement lubricant grease of rock bit of the present utility model is simple and convenient, piston apparatus by oil storing tube, when roller bit cutting, both can be pressed into active force to lubricant grease by moderate control reduction rig blast, consumption with the lubricant grease that delays oil storing tube, can also prevent that the impurity such as dust and particle from entering oil storing tube, keep the cleaning of rock bit lubricating arrangement, further to extend the application life of rock bit.Be specially adapted to the various forms of drilling well rock bit such as tricone bit and drilling bit of multiple rollers for mine probing.
The accompanying drawing explanation
One embodiment theory structure schematic diagram of the lubricating arrangement that Fig. 1 is the utility model rock bit.
The specific embodiment
Now by embodiment, also the utility model is described in further detail by reference to the accompanying drawings.As shown in Figure 1, being located at UNICOM on tooth calvus 1 for the oil storing tube 2 that stores lubricant grease links in the bearing arrangement that comprises the compositions such as large roller, ball, little roller of rock bit (drill body); Be provided with a piston 6 in the tube chamber of an end 2a in the outer part of oil storing tube 2, be arranged with the O type rubber ring 7 as sealing ring on piston 6, piston 6 forms sealing to a certain degree by its O type rubber ring 7 and oil storing tube 2 inwalls; Be connected with a back-up ring 8 by groove 9 set on oil storing tube 2 internal perisporiums in the oil storing tube 2 of the outside one end by oil storing tube 2 of piston 6, to carry out spacing to piston 6.
Can control the lubricated injection flow of 2 pairs of cone bit bearing systems of oil storing tube by the seal degree between control piston 6 and oil storing tube 2, reach the sufficient lubrication that has both ensured bearing arrangement, can save the purpose of lubricant grease consumption again, this structure can increase the oil reserve of rock bit for certain oil storing tube, extends the service time that oil storing tube 2 once injects lubricant grease.
Under normal conditions, relying on rig blast promotion piston 6 descending (along side direction operation in oil storing tube) that rock bit is blown into to the bit bearing system with lubricant grease is lubricated.
When the interior lubricant grease of oil storing tube 2 is consumed excessively, can supplement charging-up lubricant oil fat by repairing hole 3; Repairing hole 3 is laterally, is positioned at oil storing tube 2 one sides with respect to oil storing tube and is opened on tooth calvus 1, repairing hole 3 from the inboard stage casing of oil storing tube 2 UNICOM in oil storing tube 2.
Tubular threaded plug 4 matches and rubber pad 5 tightness is connected in to the pouring orifice place in repairing hole 3 with the screw thread at tooth calvus 1 corresponding position by its external screw thread, tubular threaded plug 4 to be axial pore 4a corresponding with repairing hole 3.
Blast by rotary drill during rock bit (drill body) work is blown into the grease in oil storing tube 2 in the bearing arrangement of rock bit, and while making rock bit creep in mine, bearing is lubricated; At drill bit, use the later stage can use grease gun or oiling pin, 5 pairs of oil storing tubes of rubber pad 2 of using by the pore 4a puncture through seal of tubular threaded plug 4 carry out supplementing and adding a certain amount of lubricant grease in time; When not supplementing the injection lubricant grease, repairing hole 3 is by rubber seal.
By 3 pairs, repairing hole oil storing tube 2, supplementing while adding lubricant grease, the piston 6 in oil storing tube 2 is along with constantly filling into of lubricant grease in pipe moved toward oil storing tube 2 outside one extreme directions up.
In the second embodiment of the present utility model, sealing ring on piston and the internal perisporium of oil storing tube are to be owed to be full of or zero joins zero mated condition and interconnect, form the sealing of appropriateness pine, gas leakage does not occur with oil storing tube and is as the criterion in its seal degree, so both can keep appropriate lubrication oil supply amount, and can avoid again piston by upper stuck; All the other structures can with above-described embodiment roughly the same.
Back-up ring of the present utility model can be circlip, and tubular threaded plug can be easy for removal and installation for interior hexagonal tubular type thread plug.
Lubricating arrangement based on this rock bit other modified products of technical scheme all belong to the scope of protection of the present utility model; Above-described embodiment is not the exhaustive of the specific embodiment of the present utility model.

Claims (3)

1. the lubricating arrangement of a rock bit, comprise the oil storing tube of being located on drill body, an end in the outer part that it is characterized in that described oil storing tube is provided with a piston type sealing device, and this piston type sealing device comprises the piston be located in oil storing tube, is located at the sealing ring on described piston.
2. the lubricating arrangement of rock bit according to claim 1, is characterized in that being provided with the back-up ring that be connected in oil storing tube in corresponding with this piston by the outside of described piston.
3. the lubricating arrangement of rock bit according to claim 1, is characterized in that sealing ring on described piston and coordinating of oil storing tube internal perisporium face are zero to join zero or owe to be full of cooperation.
CN2013201255494U 2012-04-29 2013-03-19 Lubricating device of roller bit Expired - Fee Related CN203334964U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201220191380 2012-04-29
CN201220191380.8 2012-04-29
CN2013201255494U CN203334964U (en) 2012-04-29 2013-03-19 Lubricating device of roller bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013201255494U CN203334964U (en) 2012-04-29 2013-03-19 Lubricating device of roller bit

Publications (1)

Publication Number Publication Date
CN203334964U true CN203334964U (en) 2013-12-11

Family

ID=49703642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013201255494U Expired - Fee Related CN203334964U (en) 2012-04-29 2013-03-19 Lubricating device of roller bit

Country Status (1)

Country Link
CN (1) CN203334964U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670281A (en) * 2013-12-27 2014-03-26 苏州思丹孚钻具有限公司 Hybrid-sealed cone bit
CN109794821A (en) * 2019-01-19 2019-05-24 常德市佳鸿机械有限责任公司 A kind of rotating device for digging machine oil cylinder cylinder cap bound edge of polishing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670281A (en) * 2013-12-27 2014-03-26 苏州思丹孚钻具有限公司 Hybrid-sealed cone bit
CN103670281B (en) * 2013-12-27 2016-05-18 苏州思丹孚钻具有限公司 Mix sealing rock bit
CN109794821A (en) * 2019-01-19 2019-05-24 常德市佳鸿机械有限责任公司 A kind of rotating device for digging machine oil cylinder cylinder cap bound edge of polishing

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131211

Termination date: 20200319