CN208106308U - Seal ultrashort drilling tool - Google Patents

Seal ultrashort drilling tool Download PDF

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Publication number
CN208106308U
CN208106308U CN201820620530.XU CN201820620530U CN208106308U CN 208106308 U CN208106308 U CN 208106308U CN 201820620530 U CN201820620530 U CN 201820620530U CN 208106308 U CN208106308 U CN 208106308U
Authority
CN
China
Prior art keywords
transmission shaft
ultrashort
rotor
drilling tool
water cap
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.)
Active
Application number
CN201820620530.XU
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Chinese (zh)
Inventor
尹永清
尹永奇
刘立江
姚颖慧
王东伟
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.)
Langfang Feng Ming Petroleum Machinery Equipment Co Ltd
Original Assignee
Langfang Feng Ming Petroleum Machinery Equipment 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
Application filed by Langfang Feng Ming Petroleum Machinery Equipment Co Ltd filed Critical Langfang Feng Ming Petroleum Machinery Equipment Co Ltd
Priority to CN201820620530.XU priority Critical patent/CN208106308U/en
Application granted granted Critical
Publication of CN208106308U publication Critical patent/CN208106308U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of ultrashort drilling tools of sealing comprising transmission shaft head, transmission shaft, transmission shaft lower case, bearing washer, bearing race, under quiet set, transmission shaft upper housing, water cap, connecting rod, float valve set, rotor and stator;Wherein, transmission shaft lower case, bearing washer, bearing race, under quiet set and transmission shaft upper housing be successively sheathed on transmission shaft, to absorb all directions vibration generated when sealing ultrashort drilling tool broken rock;Wherein, one end of connecting rod and transmission shaft head hot charging, and the other end of connecting rod is connect with rotor threads;Wherein, rotor is sheathed in stator, and under the action of having the drilling fluid of pressure, rotor can do planetary motion in stator, is mechanical energy by hydraulic energy transfer;Water cap is pressed on the end face of transmission shaft by transmission shaft head by way of tightening screw thread, and float valve set is sheathed in water cap and forms sealed compartment with water cap and transmission shaft.Whereby, the ultrashort drilling tool of the sealing of the utility model improves sealing drilling tool build angle rate.

Description

Seal ultrashort drilling tool
Technical field
The utility model relates to field of petroleum exploitation, in particular to a kind of ultrashort drilling tool of sealing.
Background technique
In the oil seal transmission shaft assembly structure of existing maturation, formed using the western sealing ring of karr in both ends of the drive shaft close Envelope, with the increase for using the time, lubricating oil inside oil seal transmission shaft assembly with transmission shaft use consumption slowly, So the length of transmission shaft can only be lengthened to increase the reserves of storage lubricating oil.So that the distance of curved point to spindle nose increases Add, so that sealing drilling tool build angle rate reduces.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing Technology.
Utility model content
The purpose of this utility model is to provide a kind of ultrashort drilling tools of sealing, to overcome existing sealing drilling tool build angle rate low The problem of.
To achieve the above object, the utility model provides a kind of ultrashort drilling tool of sealing comprising transmission shaft head, transmission Axis, transmission shaft lower case, bearing washer, bearing race, under quiet set, transmission shaft upper housing, water cap, connecting rod, float valve set, rotor with And stator;Wherein, transmission shaft lower case, bearing washer, bearing race, under quiet set and transmission shaft upper housing be successively sheathed on transmission shaft On, and steel ball is equipped in bearing race, transmission shaft lower case quiet set under is equipped with transverse bearing, to absorb the ultrashort drilling tool of sealing The all directions vibration generated when broken rock;Wherein, one end of connecting rod and transmission shaft head hot charging, and the other end of connecting rod with turn Son is threadedly coupled;Wherein, rotor is sheathed in stator, and under the action of having the drilling fluid of pressure, rotor can be in stator Planetary motion is inside done, to be mechanical energy by hydraulic energy transfer;And wherein, transmission shaft head will by way of tightening screw thread Water cap is pressed on the end face of transmission shaft, and float valve set is sheathed in water cap and forms sealed compartment with water cap and transmission shaft.
Preferably, in above-mentioned technical proposal, oil filler point is offered on transmission shaft upper housing, and oil filler point is with for lubricating oil It is injected into sealed compartment.
Preferably, in above-mentioned technical proposal, oil filler point upper cover is equipped with screw, and screw is to sealed oiling hole.
Preferably, in above-mentioned technical proposal, mechanical energy that rotor is converted in stator inner seat planetary motion by water cap and Connecting rod is transmitted on transmission shaft head, so that transmission shaft be driven to rotate together.
Compared with prior art, the utility model has the advantages that:The ultrashort drilling tool of the sealing of the utility model, knot Structure advantages of simple, and improve sealing drilling tool build angle rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ultrashort drilling tool of sealing according to the present utility model.
Main appended drawing reference explanation:
1- transmission shaft head, 2- transmission shaft, 3- connecting rod, 4- water cap, 5- float valve set, 6- transmission shaft lower case, 7- bearing Washer, 8- bearing race, 9- transmission shaft upper housing, quiet set under 10-, 11- rotor, 12- stator.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1, Fig. 1 is the structural schematic diagram of the ultrashort drilling tool of sealing according to the present utility model, it is practical new according to this The ultrashort drilling tool of a kind of sealing of type specific embodiment comprising transmission shaft head 1, transmission shaft 2, transmission shaft lower case 6, bearing Washer 7, bearing race 8, under quiet set 10, transmission shaft upper housing 9, water cap 4, connecting rod 3, float valve set 5, rotor 11 and stator 12; Wherein, transmission shaft lower case 6, bearing washer 7, bearing race 8, under quiet set 10 and transmission shaft upper housing 9 be successively sheathed on transmission shaft 2 On, and steel ball is equipped in bearing race 8, the quiet set 10 under of transmission shaft lower case 6 is equipped with transverse bearing, so that it is ultrashort to absorb sealing The all directions vibration generated when drilling tool broken rock;Wherein, one end of connecting rod 3 and 1 hot charging of transmission shaft head, and connecting rod 3 is another One end is threadedly coupled with rotor 11;Wherein, rotor 11 is sheathed in stator 12, and under the action of having the drilling fluid of pressure, Rotor 11 can do planetary motion in stator 12, to be mechanical energy by hydraulic energy transfer;And wherein, transmission shaft head 1 Water cap 4 is pressed on the end face of transmission shaft 2 by way of tightening screw thread, and float valve set 5 is sheathed in water cap 4 and and water cap 4 and transmission shaft 2 formed sealed compartment.
Preferably, steel ball is equipped between bearing race 8 and transmission shaft 2 as axial bearing;It is offered on transmission shaft upper housing 9 Oil filler point, and oil filler point is injected into sealed compartment with for lubricating oil;Oil filler point upper cover is equipped with screw, and screw is to seal note Oilhole;Rotor 11 is transmitted to transmission shafts by water cap 4 and connecting rod 3 in the mechanical energy that 12 inner seat planetary motion of stator is converted On first 1, so that transmission shaft 2 be driven to rotate together.
In practical applications, between transmission shaft lower case 6 and transmission shaft 2 be equipped with rotating seal ring and static sealing ring, under it is quiet Set 10 and transmission shaft 2 between be equipped with rotating seal ring and static sealing ring, under between quiet set 10 and transmission shaft upper housing 9 be equipped with it is quiet close Seal is equipped with static sealing ring between water cap 4, float valve set 5 and transmission shaft 2, and rotor 11 rotates the torque of generation in stator 12 Being transmitted to transmission shaft head 1 by water cap 4 and connecting rod 3 with revolving speed (mechanical energy converted) drives transmission shaft 2 to turn together It is dynamic.
In short, the ultrashort drilling tool of the sealing of the utility model, simple and reasonable, and improve drilling tool build angle rate.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (4)

1. a kind of ultrashort drilling tool of sealing, which is characterized in that including transmission shaft head, transmission shaft, transmission shaft lower case, bearing gasket Circle, bearing race, under quiet set, transmission shaft upper housing, water cap, connecting rod, float valve set, rotor and stator;
Wherein, the transmission shaft lower case, the bearing washer, the bearing race, it is described under quiet set and the transmission shaft upper casing Body is successively sheathed on the transmission shaft, and the bearing race in be equipped with steel ball, the transmission shaft lower case and it is described under quiet set It is equipped with transverse bearing, all directions vibration generated when to absorbing the ultrashort drilling tool broken rock of the sealing;
Wherein, one end of the connecting rod and the transmission shaft head hot charging, and the other end of the connecting rod and the rotor It is threadedly coupled;
Wherein, the rotor is sheathed in the stator, and under the action of having the drilling fluid of pressure, the rotor can be Planetary motion is done in the stator, to be mechanical energy by hydraulic energy transfer;And
Wherein, the water cap is pressed on the end face of the transmission shaft by the transmission shaft head by way of tightening screw thread, And the float valve set is sheathed in the water cap and forms sealed compartment with the water cap and the transmission shaft.
2. the ultrashort drilling tool of sealing according to claim 1, which is characterized in that offer oiling on the transmission shaft upper housing Hole, and the oil filler point is injected into the sealed compartment with for lubricating oil.
3. the ultrashort drilling tool of sealing according to claim 2, which is characterized in that the oil filler point upper cover is equipped with screw, and institute Screw is stated to seal the oil filler point.
4. the ultrashort drilling tool of sealing according to claim 1, which is characterized in that the rotor is transported in the stator inner seat planet The dynamic mechanical energy converted is transmitted on the transmission shaft head by the water cap and the connecting rod, to drive biography Moving axis rotates together.
CN201820620530.XU 2018-04-27 2018-04-27 Seal ultrashort drilling tool Active CN208106308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820620530.XU CN208106308U (en) 2018-04-27 2018-04-27 Seal ultrashort drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820620530.XU CN208106308U (en) 2018-04-27 2018-04-27 Seal ultrashort drilling tool

Publications (1)

Publication Number Publication Date
CN208106308U true CN208106308U (en) 2018-11-16

Family

ID=64117554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820620530.XU Active CN208106308U (en) 2018-04-27 2018-04-27 Seal ultrashort drilling tool

Country Status (1)

Country Link
CN (1) CN208106308U (en)

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