CN208071176U - The winch driving gear and winch of oil drilling - Google Patents

Abstract

The embodiment of the present application discloses a kind of winch driving gear and winch of oil drilling, and wherein winch driving gear includes：Roller with drum shaft, roller has along the first opposite side of drum shaft and the second side, first side of roller is provided with emergency power, the second side of roller is provided with gearbox and main motor, the output shaft of gearbox and the second side of drum shaft are sequentially connected, the input shaft of the output shaft of main motor and gearbox is sequentially connected, drum shaft, the output shaft of emergency power, the input shaft of gearbox, the output shaft of gearbox, main motor output shaft be located on the same line.Winch provided by the utility model can realize winch self shifter using two gear planetary transmissions, small, light-weight, convenient transportation, and two gear variable speed designs not only ensure that the ability of lifting of winch maximum load, but also take into account the efficiency requirements of winch.

Description

The winch driving gear and winch of oil drilling

Technical field

This application involves oil drill equipment technical fields, are driven in particular to a kind of winch of oil drilling Mechanism and winch.

Background technology

The winch that oil drilling is used as drilling machine core equipment, can as the power source of hoisting mechanism, for pulling out of hole, The operations such as lower brill, setting of casing.The winch of oil drilling is mainly by main motor, gearbox, roller, brake, automatic bit feed system Deng composition.The gearbox of existing petroleum drilling winch is frequently with two gear cylinder external gear pump gearboxes or a gear planet Gearbox.

For cylinder external toothing gearbox, volume is big, quality weight, and transport is inconvenient.

For a gear planetary transmission, quality and volume decrease, but winch reach if necessary with outside cylinder The same hoisting power of engaged gear case, it is more powerful this requires the main motor of the winch.In addition, a gear planetary transmission Power speed control range it is too small, the raising efficiency of winch also decreases.

Utility model content

A kind of winch driving gear and winch of oil drilling are provided in the embodiment of the present application, above-mentioned ask can be solved At least one of topic.

To achieve the above object, this application provides a kind of winch driving gears of oil drilling, including：With roller The roller of axis, the roller have along the first opposite side of the drum shaft and the second side, and the first side of the roller is provided with The second side of emergency power, the roller is provided with gearbox and main motor, the output shaft of the gearbox and the roller The second side of axis is sequentially connected, and the output shaft of the main motor and the input shaft of the gearbox are sequentially connected, the drum shaft, The output shaft of the output shaft of the emergency power, the input shaft of the gearbox, the output shaft of the gearbox, the main motor It is located on the same line.

Preferably, it is provided with normally disengaged clutch between the first side and the emergency power of the drum shaft.

Preferably, the first side of the drum shaft and the second side are rotatably arranged at first bearing seat and second bearing respectively On seat.

Preferably, the main motor is alternating-current variable frequency motor.

Preferably, the main motor is connect by spline with brake.

Preferably, normal-close clutch device is provided between the second side of the drum shaft and the output end of the gearbox.

Preferably, the gearbox is two gear planetary transmissions.

Preferably, the gearbox includes first order planetary gear mechanism, second level planetary gear mechanism and shift dress Set, the input shaft of the gearbox respectively with the sun gear of the first order planetary gear mechanism and the first order planetary gear The planet carrier of mechanism connects, and the gearshift can engage the sun gear and described the of the first order planetary gear mechanism respectively The planet carrier of primary planet pinion mechanism, the planet carrier of the first order planetary gear mechanism and the second level planetary gear machine The sun gear of structure engages, and the planet carrier of the second level planetary gear mechanism is engaged with the output shaft of the gearbox.

Preferably, the first order planetary gear mechanism and the second level planetary gear mechanism share the same babinet.

Preferably, the sun gear of the planet carrier of the first order planetary gear mechanism and the second level planetary gear mechanism It is engaged by connecting shaft, the input shaft of the gearbox, the output shaft of the gearbox and connecting shaft are located at same straight line.

The embodiment of the present application also discloses a kind of winch of oil drilling, including：Such as above-mentioned winch driving gear.

The utility model embodiment is by adopting the above-described technical solution, has the following advantages：

The winch that the utility model embodiment provides is using two gear planetary transmissions, small, light-weight, transporter Just, it and can realize winch self shifter, and two gear variable speed designs not only ensure that the ability of lifting of winch maximum load, but also take into account The efficiency requirements of winch.

The utility model embodiment is provided with emergency power, when main motor or gearbox failure, may be used Emergency power driving drum, raising drill string, avoiding drill string from stagnating for a long time leads to lock of tool drilling in well, improve safety.

Winch overall volume in the utility model is small, light-weight, efficient, and safety is good.

With reference to following description and accompanying drawings, the particular implementation of the application is disclosed in detail, specifies the original of the application Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal.

The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more It is used in a other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.

It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.

Description of the drawings

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those skilled in the art without having to pay creative labor, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the structural schematic diagram of the winch driving gear of the oil drilling in the embodiment of the present application.

Fig. 2 is the structural schematic diagram of the gearbox in the embodiment of the present application.

The reference numeral of the figures above：1, normal-close clutch device；2, gearbox；3, main motor；4, brake；5, jerking movement is answered Power；6, normally disengaged clutch；7, roller；8, bearing block；21, the input shaft of gearbox, 22, first order planetary gear mechanism；22a, First order sun gear；22b, first order planetary gear；22c, first order planet carrier；23, second level planetary gear mechanism；23a, second Grade sun gear；23b, second level planetary gear；23c, secondary planet frame；24, gearshift；24a, sun gear internal spline；24b, row Carrier internal spline；24c, spline housing；25, the output shaft of gearbox；26, babinet；A, low gear；B, high speed gear；0, neutral gear Position.

Specific implementation mode

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The every other embodiment that technical staff is obtained without making creative work should all belong to the application guarantor The range of shield.

It should be noted that when element is referred to as " being set to " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.

Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more Any and all combinations of relevant Listed Items.

Shown in referring to Fig.1, the embodiment of the present application discloses a kind of winch driving gear of oil drilling, including：Have The roller 7 of 7 axis of roller, the roller 7 have along the first opposite side of 7 axis of the roller and the second side, and the first of the roller 7 Side is provided with emergency power 5, and the second side of the roller 7 is provided with gearbox 2 and main motor 3, the output of the gearbox Axis 25 and the second side of 7 axis of the roller are sequentially connected, and the output shaft of the main motor 3 and the input shaft 21 of the gearbox pass Dynamic connection, 7 axis of the roller, the output shaft of the emergency power 5, the input shaft 21 of the gearbox, the gearbox it is defeated Shaft 25, the main motor 3 output shaft be located on the same line.

Wherein, gearbox can be planetary transmission.Preferably, gearbox can be two gear gearboxes.Planetary transmission Instead of externally-engaged cylindrical gear case, the volume and weight of winch all can substantially reduce；It is efficient, it is that winch uses two gears and sets Meter promotes speed ability height for a gear winch, and raising efficiency is high；Safety is good, be winch be provided with answer jerking movement Power, when power end main motor or gearbox break down, the emergency power that can be used alone carrys out hoisting drum load, avoids drill string long Time, which is stuck in wellbore, there are the safety accidents such as bit freezing.By above structure, the winch driving gear in the embodiment of the present application Overall volume is small, light-weight, efficient, and safety is good.7 axis of the roller, the output shaft of the emergency power 5, the speed change The input shaft 21 of case, the output shaft 25 of the gearbox, the main motor 3 output shaft be located on the same line, it is whole to turn Dynamic inertia is small, and electric motor starting is easy.

Specifically, being provided through 7 axis of roller of the roller 7 on the roller 7.First side of 7 axis of the roller can To be rotatably arranged in first bearing seat 8.The second side of 7 axis of the roller can be rotatably arranged at the second bearing On.The first bearing seat 8 and the second bearing seat 8 can play a supporting role to roller 7 as a result,.

It is provided with normally disengaged clutch 6 between the first side and the emergency power 5 of 7 axis of the roller.Normally disengaged clutch 6 One end is connect by spline with the first side of 7 axis of roller, and the other end of normally disengaged clutch 6 is connect by spline with emergency power 5. In the present embodiment, the folding condition of normally disengaged clutch 6 realizes (prior art is not shown in figure) by clutch cylinder.

The main motor 3 can be alternating-current variable frequency motor.Main motor 3 can be sequentially connected with gearbox 2.In the present embodiment In, one end of the output shaft of main motor 3 is connected by the input shaft 21 of shaft coupling (prior art is not shown in figure) and gearbox It connects；The other end of the output shaft of main motor 3 is connect by spline connection type with brake 4.

With reference to shown in Fig. 2, the gearbox 2 can be two gear planetary transmissions 2.Wherein, the gearbox 2 includes First order planetary gear mechanism 22, second level planetary gear mechanism 23 and gearshift 24, the input shaft 21 of the gearbox It is connect respectively with the planet carrier of the sun gear of the first order planetary gear mechanism 22 and the first order planetary gear mechanism 22, The gearshift 24 can engage the sun gear of the first order planetary gear mechanism 22 and the first order planetary gear respectively The planet carrier of mechanism 22, the planet carrier of the first order planetary gear mechanism 22 and the second level planetary gear mechanism 23 are too Sun wheel engagement, the planet carrier of the second level planetary gear mechanism 23 are engaged with the output shaft 25 of the gearbox.

Specifically, the two gear planetary transmissions 2 include input shaft 21, the first order planetary gear machine of gearbox Structure 22, second level planetary gear mechanism 23, gearshift 24, the output shaft 25 of gearbox and babinet 26.

Wherein, first order planetary gear mechanism 22 includes first order sun gear 22a, first order planetary gear 22b, first order row Carrier 22c, wherein first order sun gear 22a and the 22b engagements of first order planetary gear.First order planet carrier 22c is arranged in the first order On planetary gear 22b.The internal ring gear engaged with first order planetary gear 22b is provided on babinet 26.

Second level planetary gear mechanism 23 includes second level sun gear 23a, second level planetary gear 23b, second level planet carrier 23c, wherein second level sun gear 23a and second level planetary gear 23b are engaged.Second level planet carrier 23c is arranged in second level planet It takes turns on 23b.The internal ring gear engaged with second level planetary gear 23b is provided on babinet 26.

First order planet carrier 22c is connected with second level sun gear 23a, the output shaft of the second level planet carrier 23c and gearbox 25 are connected.

The planet carrier of the first order planetary gear mechanism 22 and the sun gear of the second level planetary gear mechanism 23 are logical Connecting shaft engagement is crossed, the input shaft 21 of the gearbox, the output shaft 25 of the gearbox and connecting shaft are located at same straight line.

It is provided with gearshift 24 between first order sun gear 22a and first order planet carrier 22c, passes through gearshift 24 Shift forms first order sun gear 22a inputs (low gear AA), first order planet carrier 22c inputs (high speed gear BB), neutral gear Three input gears.

The gearshift 24 include be set in gearbox input shaft 21 spline housing 24c, setting the first order too The sun gear internal spline 24a of sun wheel 22a, the planet carrier internal spline 24b being arranged on first order planet carrier 22c.Spline housing 24c energy Axis direction along the input shaft 21 of the gearbox moves, to make spline housing 24c have internal spline and external splines respectively with Planet carrier internal spline 24b and the 24a cooperations of sun gear internal spline.The movement of spline housing 24c can be realized by fluid cylinder or cylinder.

Further, as shown in Fig. 2, gearshift 24 is there are three position, low gear AA and high speed gear BB, intermediate neutral gear Position 0.

24 initial position of gearshift is in intermediate neutral gear position 0, at this point, power inputs, first order planetary gear mechanism 22 It is not involved in transmission with second level planetary gear mechanism 23, gearbox 2 is without output.Setting the changing convenient for gearbox 2 of neutral gear position 0 The repair of gear or gearbox 2.

Spline housing 24c moves right along the input shaft 21 of gearbox so that flower in the external splines and sun gear of spline housing 24c Key 24a engagements, gearshift 24 are located at low gear AA.At this point, power inputs, first order planetary gear mechanism 22 and the second level Planetary gear mechanism 23 both participates in transmission, and gearbox 2 operates in bottom gear, and low gear A is used for promote big load.

Spline housing 24c is moved to the left along the input shaft 21 of gearbox so that flower in the external splines and planet carrier of spline housing 24c Key 24b engagements, gearshift 24 are located at high speed gear BB.At this point, power be directly over first order planet carrier 22c pass to and its The second level sun gear 23a being fixedly linked, only second level planetary gear mechanism 23 participate in transmission, and gearbox 2 operates in high speed Gear, high speed gear B improve efficiency for promoting smaller load at a relatively high speed.

Under original state, winch side normal-close clutch device 1 is in closed state, and other side normally disengaged clutch 6, which is in, to be opened State.When normal work, side main motor 3 provides power, is driven through gearbox 2, and driving drum 7 rotates, and realizes drill string raising And decentralization.When main motor 3 or gearbox 2 break down, first the normally disengaged clutch 6 initially opened is closed, after will initially close The normal-close clutch device 1 of conjunction is opened, and the mechanism to break down and roller 7 are detached from, and with 5 driving drum 7 of emergency power, raising is bored Column, avoiding drill string from stagnating in well for a long time leads to lock of tool drilling, effectively improves safety.

Two gear planetary transmissions in the embodiment of the present application, the speed change in structure relative to existing petroleum drilling winch Case, planetary structure replace external gear pump structure, and volume reduces, weight reduces；Relative to a gear planetary transmission, adopted in structure It is designed with two gears, can not only ensure that the ability of the promotion maximum load of winch, but also taken into account the efficiency requirements promoted, a gear row Star speed change is difficult to take into account two aspect requirements.

The embodiment of the present application also discloses a kind of winch of oil drilling comprising such as above-mentioned winch driving gear.

Winch provided by the utility model using two gear planetary transmissions 2, small, light-weight, convenient transportation, and Winch self shifter can be achieved, and two gear variable speed designs not only ensure that the ability of lifting of winch maximum load, but also has taken into account winch Efficiency requirements.Winch side provided by the utility model is provided with emergency power 5, when main motor 3 or engagement break down When, it can be with 5 driving drum 7 of emergency power, raising drill string, avoiding drill string from stagnating for a long time leads to lock of tool drilling in well, improve peace Quan Xing；The winch overall volume of the utility model is small, light-weight, efficient, and safety is good.

Herein cited any digital value all include between lower limiting value to upper limit value with the lower value of an incremented and The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20 To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification 68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1. These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to Combination is all expressly set forth in the specification in a similar manner.

Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range " about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to covering " about 20 to about 30 ", including at least the endpoint indicated.

All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot Together in this.The term " substantially by ... constitute " for describing combination should include identified element, ingredient, component or step and reality Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or " comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any Attribute is all optional.

Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component Or step.

It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch It states, many embodiments and many applications except the example provided all will be aobvious and easy for a person skilled in the art See.Therefore, the range of this introduction should not be determined with reference to foregoing description, but should with reference to appended claims and this The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed Apply for a part for theme.

Claims (11)

1. a kind of winch driving gear of oil drilling, which is characterized in that including：Roller with drum shaft, the roller With being provided with emergency power, the roller along the first side of the first opposite side of the drum shaft and the second side, the roller The second side be provided with gearbox and main motor, the output shaft of the gearbox and the second side transmission of the drum shaft connect Connect, the input shaft of the output shaft of the main motor and the gearbox is sequentially connected, the drum shaft, the emergency power it is defeated Shaft, the input shaft of the gearbox, the output shaft of the gearbox, the main motor output shaft be located at same straight line On.

2. the winch driving gear of oil drilling according to claim 1, which is characterized in that the first of the drum shaft It is provided with normally disengaged clutch between side and the emergency power.

3. the winch driving gear of oil drilling according to claim 1, which is characterized in that the first of the drum shaft Side and the second side are rotatably arranged in first bearing seat and second bearing seat respectively.

4. the winch driving gear of oil drilling according to claim 1, which is characterized in that the main motor is exchange Variable-frequency motor.

5. the winch driving gear of oil drilling according to claim 1, which is characterized in that the main motor passes through flower Key is connect with brake.

6. the winch driving gear of oil drilling according to claim 1, which is characterized in that the second of the drum shaft Normal-close clutch device is provided between side and the output end of the gearbox.

7. the winch driving gear of oil drilling according to claim 1, which is characterized in that the gearbox is two gears Planetary transmission.

8. the winch driving gear of oil drilling according to claim 1, which is characterized in that the gearbox includes the Primary planet pinion mechanism, second level planetary gear mechanism and gearshift, the input shaft of the gearbox respectively with it is described The sun gear of first order planetary gear mechanism is connected with the planet carrier of the first order planetary gear mechanism, the gearshift energy Engage the planet carrier of the sun gear and the first order planetary gear mechanism of the first order planetary gear mechanism respectively, described The planet carrier of primary planet pinion mechanism is engaged with the sun gear of the second level planetary gear mechanism, the second level planet tooth The planet carrier of wheel mechanism is engaged with the output shaft of the gearbox.

9. the winch driving gear of oil drilling according to claim 8, which is characterized in that the first order planet tooth Wheel mechanism and the second level planetary gear mechanism share the same babinet.

10. the winch driving gear of oil drilling according to claim 8, which is characterized in that the first order planet The planet carrier of gear mechanism is engaged with the sun gear of the second level planetary gear mechanism by connecting shaft, the gearbox it is defeated Enter axis, the output shaft of the gearbox and connecting shaft and is located at same straight line.

11. a kind of winch of oil drilling, which is characterized in that including：Winch as described in any one of claim 1 to 10 passes Motivation structure.