CN206386100U - A kind of closed bailing enters ring oil rig - Google Patents

Abstract

Enter ring oil rig the utility model discloses a kind of closed bailing, be related to bailing production field, including reducing motor：The reducing motor is connected by shaft coupling with main shaft, is cased with reel, the reel being wound with pull rope on the main shaft, one end of the pull rope is fixed on the reel, and the other end of the pull rope is connected with swab；The reel is inside sealing drum, and the downside of the sealing drum has at opening, the opening and one end of connecting tube is tightly connected, and the other end of the connecting tube and the upper end of production wellhead are tightly connected, and the pull rope is inside the connecting tube；The two ends of the sealing drum pass through rotation axis seal mechanism seals, the sealing drum, the connecting tube and rotation axis seal mechanism formation confined space structure respectively.To solve wellhead sealing and the problem of flexible rod there is high cost, low service life and big energy consumption.

Description

A kind of closed bailing enters ring oil rig

Technical field

The utility model is related to bailing production field, and specifically a kind of closed bailing enters ring oil rig.

Background technology

Bailing production technology has that energy consumption is small, the low feature of operating cost, is that high water cut viscous heavy crude oil effectively adopt by auxiliary One of oily mode, is suitable for the newly-built production capacity well of low yield, scattered oil well and the low yield gone into operation and poorly efficient pumpingh well.Use at present Technology and equipment mainly has bailing car and individual well frame bailing device.Bailing car is using spacious well head exploitation, it is impossible to realize that bailing enters Ring（Shaft bottom lifting liquid to well head is directly entered gathering and transferring process）, stratum energy loss is serious, is unfavorable for steady output of oilwell, Er Qiegong Make scope larger by region, climatic effect.Individual well frame bailing device, as Bei Yan oil equipments Manufacturing Co., Ltd produces " Intelligent intermittent bailing formula oil rig "；The patent of Daqing Huibopu Petroleum Machinery Equipment Manufacturing Co., Ltd.'s application《Intelligence is carried Involving swab machine》, patent No. ZLCN201020262194.X.Although both representational devices can enter ring with bailing, there is two Aspect problem：

One is wellhead sealing problem.In order to which bailing enters ring, well head oil pressure needs certain pressure value, the blowout prevention of wellhead sealing The antithesis of box and flexible rod is slidingly sealed designed capacity in more than 15MPa.The existing patent of blowout prevention box is a lot, there is machinery, gas The mode such as dynamic, hydraulic pressure or electromagnetism, no matter using which kind of mode, the abrasion of blowout prevention box and flexible rod can be all accelerated under high pressure Scrap to cause oil gas leakage pollution environment.

Two be the problem of flexible rod has high cost, low service life and big energy consumption.Will in order to meet wellhead sealing Ask, flexible rod need to use composite steel wire rope.Such as flexible rod of Bei Yan oil equipments Manufacturing Co., Ltd production（It is real Use new patent《A kind of manufacture method of flexible oil pumping rope》, its Patent No. ZLCN201010164396.5）Set using twisting It is standby that many steel strands are twisted into sealing steel cable, in the silk screen of sealing steel cable outer surface braiding binding steel cable, in silk screen outer surface Sealant is protected outside upper coating, silk screen and sealing steel cable are enclosed in it.Flexible rod complex manufacturing technology, cost is common More than 2 times of steel wire rope.And deform rubbing for different, blowout prevention box under Modulus of Composites difference, tensile load effect Wipe under the influence of the factors such as extruding, low temperature crust embrittlement, at the scene in use, flexible rod service life is low, easily go out Now cracking, decortication, leak, electric leakage and the signal of underground pressure sensor conduction are inaccurate the problems such as be even broken.Flexibility is taken out Beam hanger once goes wrong, it is necessary to more renew, and the replacement operation time is long, and cost is high.One 1500 meters of flexible rod Deadweight more than 1 ton, during bailing, the Partial Power of motor is consumed in the deadweight of flexible rod, adds energy consumption.

The content of the invention

In view of this, a kind of closed bailing of the utility model offer enters ring oil rig, to solve wellhead sealing and flexibility The problem of there is high cost, low service life and big energy consumption in sucker rod.

The utility model provides a kind of closed bailing and enters ring oil rig, including reducing motor：

The reducing motor is connected by shaft coupling with main shaft, is cased with being wound with reel, the reel on the main shaft Pull rope, one end of the pull rope is fixed on the reel, and the other end of the pull rope is connected with swab；

The reel inside sealing drum, the downside of the sealing drum have at opening, the opening and connecting tube one End is tightly connected, and the other end of the connecting tube and the upper end of production wellhead are tightly connected, and the pull rope is in the connecting tube It is internal；

The two ends of the sealing drum pass through rotation axis seal mechanism seals, the sealing drum, the connecting tube and institute respectively State rotation axis seal mechanism formation confined space structure.

Preferably, the closed bailing enters ring oil rig and further comprised：

Winding displacement transmission mechanism, for ensureing that the pull rope often winds with one circuit on the reel, the reel is described Horizontal throw on main shaft is wide for a rope of the pull rope；

Wherein, the winding displacement transmission mechanism is in the inside of the confined space structure.

Preferably, the reel is connected by ball spline with the main shaft, and the reel includes spiral cylinder：

The spiral cylinder two ends have gear line plectane, and one end of the ball spline has spline flange, the spline Flange and the gear line plectane bolt connection；

Wherein, the pull rope is wrapped on the spiral cylinder.

Preferably, the sealing drum includes cylinder：

The two ends of the cylinder all have outstanding cylinder edge, and the two ends of the cylinder pass through cylinder edge and 2 respectively Individual side plate bolt connection, the side plate has main shaft connecting hole.

Preferably, the rotation axis seal mechanism includes main shaft seal connecting hole：

Have on the inside of the main shaft seal connecting hole in groove, the groove and be sequentially placed into O-ring and support ring, the branch Held in ring and the main shaft linear sealing；

The main shaft seal connecting hole both sides have screwed hole, and the rotation axis seal mechanism passes through the screwed hole and institute State side plate connection.

Preferably, rotation axis seal mechanism lower end has bearing：

The bearing, for supporting the rotation axis seal mechanism.

Preferably, the sealing drum further comprises diplopore fixed seat and single hole fixed seat：

The diplopore fixed seat and single hole fixed seat are welded on the upper surface of sealing drum inwall, and the diplopore fixed seat has Upper hole and lower opening, the distance between the diplopore fixed seat and single hole fixed seat are more than the length of the reel；

The diplopore fixed seat and single hole fixed seat, for being connected with the winding displacement transmission mechanism.

Preferably, the winding displacement transmission mechanism includes mainshaft gear：

The mainshaft gear is connected by flat key with the main shaft, and the mainshaft gear is connected with idler gear, it is described in Between gear be connected with screw gear, the screw gear passes through screw gear axle and the upper hole and one end of reciprocal leading screw and connected Connect, the other end of the reciprocal leading screw is connected with the single hole fixed seat, sliding block is socketed with the reciprocal leading screw；

The idler gear is connected by intermediate gear shaft with the lower opening.

Preferably, the sliding block includes shift fork：

The shift fork is circular shape, and the inner side of the shift fork has in sliding block righting cambered surface, the sliding block righting cambered surface Side has sliding block connecting hole；The outside cambered surface of the shift fork is provided with hole slot, and the hole slot is opened to the sliding block connection hole；

The hole slot further comprises vat and sulculus, and the vat is threadedly coupled with plug, and the side of the vat is opened Mouth is located at the outside cambered surface of the shift fork, and another side opening has groove footpath less than the sulculus of the vat；

Sliding part is placed in the sulculus, the side of the sliding part has crescent raised, the raised position of the crescent In the inner side of the sliding block connecting hole, opposite side and the plug apical grafting；

It is placed in close to the gear line plectane upper end of the mainshaft gear on the inside of the sliding block righting cambered surface.

Preferably, the ball spline further comprises snap ring：

3 grooves are evenly distributed with the snap ring, the main spindle multiple spline slideway of the groove and the main shaft is connected, There is equally distributed 6 grooves, 6 inside grooves on the outside of the snap ring on socket holding cylinder wall, the holding barrel With the steel ball arranged along cell wall）, the holding barrel outside has spline outer barrel, one end and the flower of the spline outer barrel The side end face connection of key flange.

The utility model at least has the advantages that：

The utility model provides a kind of closed bailing and enters ring oil rig, due to sealing drum and connecting tube formation one is close The space closed, the antithesis of the blowout prevention box and flexible rod that eliminate former pithead position is slidingly sealed, and is transformed into main shaft and cylinder Between rotation axis seal, solve the wellhead sealing problem of existing bailing equipment.

The utility model due to eliminating the sealing attribute of flexible rod, and then thoroughly eliminate existing flexible rod into The problem of this height, service life are low, energy consumption is big.

The utility model higher, weight can be that the nylon of steel wire rope 20% or the pull rope of fiber replace soft from intensity Property sucker rod, reduce power of motor.

The utility model can realize that well liquid bailing is entered ring by the operation of individual well frame or vehicle-mounted floating operation.

Brief description of the drawings

By the description below with reference to accompanying drawing to the utility model embodiment, of the present utility model above-mentioned and other mesh , feature and advantage it is apparent, in the accompanying drawings：

Fig. 1 is that the closed bailing of the utility model embodiment enters the schematic diagram that ring oil rig is assembled with production wellhead；

Fig. 2 is the structural representation of the main shaft of the utility model embodiment；

Fig. 3 is the structural representation of the main spindle multiple spline slideway of the utility model embodiment；

Fig. 4 is the structural representation of the sealing drum of the utility model embodiment；

Fig. 5 is that the winding displacement transmission mechanism of the utility model embodiment and the assembling structure of winding displacement transmission mechanism and main shaft are shown It is intended to；

Fig. 6 is the sliding block front view of the utility model embodiment；

Fig. 7 is the sliding block left view of the utility model embodiment；

Fig. 8 is the structural representation of the reel of the utility model embodiment；

Fig. 9 is rotation axis seal mechanism structure schematic diagram and rotation axis seal mechanism and the master of the utility model embodiment The assembling schematic diagram of axle；

Figure 10 is the ball spline structural representation and ball spline of the utility model embodiment and showing for spindle mounted It is intended to.

Embodiment

The utility model is described below based on embodiment, but what deserves to be explained is, the utility model is not limited In these embodiments.It is detailed to describe some specific detail sections below in detailed description of the present utility model.So And, for the part of not detailed description, those skilled in the art can also understand the utility model completely.

In addition, it should be understood by one skilled in the art that the accompanying drawing provided is simply to illustrate that of the present utility model Objects, features and advantages, accompanying drawing is not to be actually drawn to scale.

Meanwhile, unless the context clearly requires otherwise, " comprising ", "comprising" otherwise in entire disclosure and claims etc. Similar word should be construed to the implication included rather than exclusive or exhaustive implication；That is, being " including but not limited to " Implication.

Fig. 1 is that the closed bailing of the utility model embodiment enters the schematic diagram that ring oil rig is assembled with production wellhead.Such as Shown in Fig. 1, a kind of closed bailing, which enters ring oil rig, includes reducing motor 1, main shaft 2, sealing drum 3, winding displacement transmission mechanism 4, volume Cylinder 5, connecting tube 6, support 7, pull rope 8, swab 9, rotation axis seal mechanism B.

In Fig. 1, reducing motor 1 is fixed by bolts on support 7 by motor base, and reducing motor 1 passes through shaft coupling 1-1 It is connected with main shaft 2, reel 5 is socketed on main shaft 2, reel 5 can be slided on main shaft 2, and reel 5 connects with winding displacement transmission mechanism 4 Connect, winding displacement transmission mechanism 4 can drive reel 5 to be reciprocatingly slided on main shaft 2, reel 5 and winding displacement transmission mechanism 4 are all in sealing drum 3 inside, sealing drum 3 is sealed by rotation axis seal mechanism B, and rotation axis seal mechanism B is fixed on support 7, sealing The lower end of cylinder 3 has at opening, opening to be connected with connecting tube 6, is wound with pull rope 8 on reel 5, the other end of pull rope 8 and Swab 9 is connected.

Further, in Fig. 1, swab 9 is placed on to the inside of connecting tube 6, the oil pipe 11 transferred in production wellhead 10 Or in sleeve pipe 12, be tightly connected the lower end of connecting tube 6 and the upper end of production wellhead 10 with clip, make sealing drum 3, connecting tube 6 A closed space is internally formed with oil pipe 11 or sleeve pipe 12.Eliminate the blowout prevention box and flexible oil pumping of pithead position at A The antithesis sliding sealing device of bar, is transformed into the rotation axis seal between main shaft and cylinder, solves the well head of existing bailing equipment Seal problem.

Further, the sealing attribute of flexible rod is eliminated, flexible rod is replaced with pull rope 8, so it is thorough The problem of bottom eliminates high existing flexible rod cost, low service life and big energy consumption.

Further, pull rope 8 can select the traction for the nylon or fiber that intensity is higher, weight is steel wire rope 20% The one or more of rope, reduce power of motor.

Fig. 2 is the structural representation of the main shaft of the utility model embodiment.As shown in Fig. 2 having main spindle multiple spline on main shaft 2 Reel 5 in slideway 2-1, Fig. 1 is connected by main spindle multiple spline slideway 2-1 with main shaft 2.

Fig. 3 is the structural representation of the main spindle multiple spline slideway of the utility model embodiment.As shown in Fig. 2 main spindle multiple spline is slided Being shaped as on circular main shaft 2 of road 2-1 has a projection every 120 °, and radial positioning is carried out to reel 5 by projection.

Fig. 4 is the structural representation of the sealing drum of the utility model embodiment.As shown in figure 4, sealing drum 3 includes cylinder 3- 1st, side plate 3-2, diplopore fixed seat 3-3, single hole fixed seat 3-4, cylinder sealing ring 3-5 and shell flange 3-6.

Cylinder 3-1 two ends are respectively provided with outstanding cylinder edge, and cylinder has bolt hole along upper, and the upper of side plate 3-2 also has Bolt hole, 2 side plate 3-2 pass through bolt hole and cylinder 3-1 bolt connections.Further, have between side plate 3-2 and cylinder 3-1 There are cylinder sealing ring 3-5, cylinder sealing ring 3-5 that there is sealing function.There is opening below cylinder 3-1, have at opening to Outer bending, bending place is connected with shell flange 3-6, and there is shell flange 3-6 one end of connecting tube 6 in bolt hole, Fig. 1 to have Also there is bolt hole, the bolt that shell flange 3-6 passes through shell flange 3-6 with connecting tube 6 in annular flange dish, annular flange dish The bolt hole connection of hole and the annular flange dish of connecting tube 6.

Further, in Fig. 4, diplopore fixed seat 3-3 and single hole fixed seat 3-4 are respectively welded on cylinder 3-1, diplopore There is fixed seat 3-3 upper hole 3-3-1 and lower opening 3-3-2, upper hole 3-3-1 and single hole fixed seat 3-4 to be used to pass with the winding displacement in Fig. 1 Motivation structure 4 is fixed.

Further, in Fig. 4, diplopore fixed seat 3-3 and single hole fixed seat 3-4 distance are more than the reel 5 in Fig. 1 Length.

Further, in Fig. 4,2 side plate 3-2 centre position has spindle hole, is worn for the main shaft 2 in Fig. 1 Cross 2 side plate 3-2, the both sides of spindle hole have rotation axis seal mechanism connector, for the rotation axis seal mechanism in Fig. 1 Connection, specifically refers to the description in Fig. 9.

Fig. 5 is that the winding displacement transmission mechanism of the utility model embodiment and the assembling structure of winding displacement transmission mechanism and main shaft are shown It is intended to.As shown in figure 5, winding displacement transmission mechanism includes mainshaft gear 4-1, idler gear 4-2, screw gear 4-3, reciprocal leading screw 4- 4th, sliding block 4-5, helicla flute 4-6 and flat key 4-7.

In Fig. 5, main shaft 2 drives mainshaft gear 4-1 to rotate, and mainshaft gear 4-1 drives idler gear 4-2 to rotate, center tooth Take turns 4-2 and drive screw gear 4-3, screw gear 4-3 centers have endoporus, and reciprocal leading screw 4-4 passes through endoporus and screw gear 4-3 Connection, the reciprocal leading screw 4-4 other end is fixed on Fig. 4 single hole fixed seat 3-4, and reciprocal leading screw 4-4 is that solid cam is secondary There are identical, the oppositely oriented thread groove 4-6 of two pitch, thread groove 4-6 two ends transition on a kind of form, reciprocal leading screw 4-4 Curve is connected, and sliding block 4-5 is socketed with reciprocal leading screw 4-4.Sliding block 4-5 concrete structure is carried out specifically in figure 6 and figure 7 It is bright.

Fig. 6 is the sliding block front view of the utility model embodiment.

Fig. 7 is the sliding block left view of the utility model embodiment.

As shown in Figure 6 and Figure 7, the sliding block 4-5 includes sliding part 4-5-1, shift fork 4-5-2, sliding block righting cambered surface 4-5- 3rd, plug 4-5-4.Shift fork 4-5-2 is circular shape, and shift fork 4-5-2 inner side has sliding block righting cambered surface 4-5-3, the sliding block There is sliding block connecting hole above righting cambered surface 4-5-3；The outside cambered surface of the shift fork 4-5-2 is provided with hole slot, the hole slot open to The sliding block connection hole.

Hole slot further comprises vat and sulculus, and vat is threadedly coupled with plug 4-5-4, and a side opening of vat, which is located at, to be dialled 4-5-2 outside cambered surface is pitched, another side opening has groove footpath less than the sulculus of vat；Sliding part 4-5-1 is placed in sulculus, is slided Part 4-5-1 side has crescent raised, and the crescent projection is located at the inner side of the sliding block connecting hole, opposite side and institute State plug 4-5-4 apical graftings.

It is placed in close to the gear line plectane 5-1 upper ends of the mainshaft gear 4-1 on the inside of the sliding block righting cambered surface 4-5-3, tool Body refers to the description in Fig. 8.

Further, figure 5 below combination Fig. 6 and Fig. 7 is illustrated, and by reciprocal leading screw 4-4 rotation, makes helicla flute 4- 6 promote the sliding part 4-5-1 being placed in helicla flute 4-6 sideways, sliding block 4-5 is made axially reciprocating.When reciprocal leading screw 4-4 is even During speed rotation, sliding block 4-5 also makees linear uniform motion in addition to completing commutation action.

Further, illustrated below in conjunction with Fig. 4, reciprocal leading screw 4-4 two ends are fixed on diplopore with nut respectively On fixed seat 3-3 upper hole 3-3-1 and single hole fixed seat 3-4, idler gear 4-2 is fixed on double by intermediate gear shaft and nut On hole fixed seat 3-3 lower opening 3-3-2, mainshaft gear 4-1 flat keys 4-7 is connected with main shaft 2.The drive shaft tooth successively of main shaft 2 Wheel 4-1, idler gear 4-2, screw gear 4-3 rotate reciprocal leading screw 4-4, and it is past that reciprocal leading screw 4-4 drivings sliding block 4-5 makees level Multiple motion.

Fig. 8 is the structural representation of the reel of the utility model embodiment.As shown in figure 8, reel 5 includes gear line plectane 5- 1st, spiral cylinder 5-2 and ball spline 5-3.2 gear line plectane 5-1 are respectively welded in spiral cylinder 5-2 both sides, Fig. 1 Pull rope 8 is wrapped on spiral cylinder 5-2, and gear line plectane 5-1 prevents pull rope 8 from departing from spiral cylinder 5-2, ball spline 5-3 On the main shaft 2 of socket in Fig. 1.Do axially smooth mobile on the main shafts 2 of ball spline 5-3 in Fig. 1, and bear radially to be driven Torque, ball spline 5-3 side, which has, has bolt hole on ring flange, ring flange, 2 ball spline 5-3 pass through ring flange Upper bolt hole distinguishes 2 gear line plectane 5-1 connections, and ball spline 5-3 concrete structure is described in detail in Fig. 10.

Further, illustrated below in conjunction with Fig. 6, Fig. 7 and Fig. 8, sliding block 4-5 is socketed on reciprocal leading screw 4-4, leaned on The sliding block righting cambered surface 4-5-3 for the inner concave that the gear line plectane 5-1 of nearly screw gear 4-3 sides is placed in Fig. 6, makes sliding block righting Cambered surface 4-5-3 and gear line plectane 5-1 outer ring cambered surface are coincide, when rolling wheel 5 is rotated, the sliding block righting cambered surface 4-5-3 in sliding block 4-5 While slip with side plate 5-1, horizontal reciprocating is done on the main spindle multiple spline slideway 2-1 for driving the main shaft 2 of rolling wheel 5 in Fig. 1 Motion, reaches the purpose of synchronous winding displacement.

Further, Fig. 1 main shaft 2 drives mainshaft gear 4-1 to rotate, and mainshaft gear 4-1 drives idler gear 4-2 to turn Dynamic, idler gear 4-2 drives screw gear 4-3, completes the effect of speed governing, it is ensured that rolling wheel 5 is rotated a circle, and rolling wheel 5 is led in Fig. 1 Stroke on axle 2 is a line width.

Fig. 9 is rotation axis seal mechanism structure schematic diagram and rotation axis seal mechanism and the master of the utility model embodiment The assembling schematic diagram of axle.As shown in figure 9, rotation axis seal mechanism B includes O-ring B-1, support ring B-2, sealing gasket B-3, bolt Hole B-4 and bearing B-5.

Rotation axis seal mechanism in Fig. 9 has main shaft connector, and main shaft 2 passes through main shaft connecting hole and rotation axis seal machine There is annular groove on structure B connections, main shaft connecting hole, O-ring B-1 and support ring B-2, O-ring B-1 and support ring is successively filled in B-2 is axle combination sealing, the similar lip sealing of its operation principle.

Further, illustrated below in conjunction with Fig. 4 and Fig. 9.It is used to accommodate O-ring B-1's and support ring B-2 in Fig. 9 There is the hole on bolt hole B-4, bolt hole B-4 and Fig. 4 latus inframediums 3-2 on the outside of spindle hole to be connected with bolt in recessed poor outer circumference direction Connect, the sealing drum 3 in Fig. 4 linked together with the rotation axis seal mechanism B in Fig. 9, further, sealing drum 3 and rotation Between rotating shaft sealing mechanism B there is sealing gasket B-3, sealing gasket B-3 to have sealing function.

Figure 10 is the ball spline structural representation and ball spline of the utility model embodiment and showing for spindle mounted It is intended to.As shown in Figure 10, ball spline 5-3 includes snap ring 5-3-1, gasket seal 5-3-2, spline flange 5-3-3, spline outer barrel 5-3-4, steel ball 5-3-5 and holding barrel 5-3-6.

In Fig. 10, there is the groove being engaged with main spindle multiple spline slideway 2-1, snap ring 5-3-1 leads to inside ball spline 5-3 Cross gasket seal 5-3-2 and main spindle multiple spline slideway 2-1 to be fitted close, keep recessed with equally distributed 6 on barrel 5-3-6 Groove, 6 inside grooves have the steel ball 5-3-5 arranged along cell wall, keep having spline outer barrel 5-3-4 on the outside of barrel 5-3-6, flower Key outer barrel 5-3-4 is used for the internal mechanism for protecting ball spline 5-3.Ball spline 5-3 side has spline flange 5-3-3, There is bolt hole, spline flange 5-3-3 is connected for upper with Fig. 82 gear line plectane 5-1 on spline flange 5-3-3.

Further, in Fig. 10, after ball spline 5-3 and main spindle multiple spline slideway 2-1 assembling, 6 row steel ball 5-3-5 along Main spindle multiple spline slideway 2-1 slides axially, when main spindle multiple spline slideway 2-1 bears moment of torsion, in 6 row load steel ball 5-3-5 with 3 consistent row steel balls of torque direction equably bearing load, during reversion, just by 3 row steel ball bearing loads of opposite direction, ball is spent Key 5-3 is while do axially smooth mobile, while bearing radial direction driving torque.

With reference to Fig. 1~Figure 10, specific assembling process of the present utility model is briefly described below：

One end of pull rope 8 is connected with swab 9, and the other end of pull rope 8 is fixed and is wrapped in the spiral cylinder 5- of reel 5 On 2.Reel 5 is arranged on main shaft 2, ball spline 5-3 and main shaft slideway 2-1 coordinates, makes reel 5 on main shaft 2 in energy footpath To slidably.

Mainshaft gear 4-1 on winding displacement transmission mechanism 4 is fixed on main shaft 2 with flat key 4-7, by reciprocal leading screw 4-4's Two ends are fixed on diplopore fixed seat 3-3 upper hole 3-3-1 and single hole fixed seat 3-4 with nut, and idler gear 4-2 is solid by axle On the lower opening 3-3-2 for being scheduled on diplopore fixed seat 3-3, sliding block 4-5 is socketed on reciprocal leading screw 4-4, and by sliding block 4-5 groove It is stuck on gear line plectane 5-1.

Two side plate 3-2 bolts are connected with cylinder 3-1.

Liang Ge rotation axis seals mechanism B is connected with bolt by two side plate 3-2 of bolt hole B-4 and sealing drum 3 respectively Connect.The bearing B-5 bottom bolts on the base of reducing motor 1 and Liang Ge rotation axis seals mechanism B are connected with support 7 respectively Connect.The output shaft shaft coupling 1-1 of reducing motor 1 is connected with main shaft 2.

Shell flange 3-6 bolts are connected with connecting tube 6, faying face places sealing ring.

Above is the assembling process of the utility model device, the device can use and use individual well frame or vehicle-mounted form.

With reference to Fig. 1~Figure 10, specific work process of the present utility model is briefly described below：

During bailing, swab 9 is transferred in the oil pipe 11 in production wellhead 10 or sleeve pipe 12, with clip by connecting tube 6 lower end and the upper end of production wellhead 10 are tightly connected, and make being internally formed for sealing drum 3, connecting tube 6 and oil pipe 11 or sleeve pipe 12 One closed space.The drive shaft 2 of reducing motor 1 makes the reel 5 in sealing drum 3 do twining movement to pull rope 8, simultaneously main The driving winding displacement of axle 2 transmission mechanism 4, makes reel 5 do horizontal reciprocating movement on main shaft 2, makes pull rope 8 in the axial location of main shaft 2 It is upper to keep constant.

By flake down and put rope and swab 9 is moved back and forth in oil pipe 11 or sleeve pipe 12, by the lifting liquid in shaft bottom Gathering and transferring process is directly entered to well head, it is ensured that oil well is in the closed production of rational stream pressure.

Embodiment described above is only expression embodiment of the present utility model, and it describes more specific and detailed, but simultaneously Therefore the limitation to the utility model the scope of the claims can not be interpreted as.It should be pointed out that to the ordinary skill people of this area For member, without departing from the concept of the premise utility, some deformations, equal replacement can also be made, improved etc., these Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of closed bailing enters ring oil rig, including reducing motor（1）, it is characterised in that：

The reducing motor（1）Pass through shaft coupling（1-1）With main shaft（2）Connection, the main shaft（2）On be cased with reel（5）, it is described Reel（5）On be wound with pull rope（8）, the pull rope（8）One end be fixed on the reel（5）On, the other end and swab （9）Connection；

The reel（5）In sealing drum（3）Inside, the sealing drum（3）Downside have at opening, the opening and connecting tube （6）One end be tightly connected, the connecting tube（6）The other end and production wellhead（10）Upper end be tightly connected, the traction Rope（8）In the connecting tube（6）It is internal；

The sealing drum（3）Two ends pass through rotation axis seal mechanism respectively（B）Sealing, the sealing drum（3）, the connecting tube （6）With the rotation axis seal mechanism（B）Form confined space structure.

2. a kind of closed bailing according to claim 1 enters ring oil rig, it is characterised in that the closed bailing enters ring Oil rig further comprises：

Winding displacement transmission mechanism（4）, for ensureing the pull rope（8）In the reel（5）On often wind with one circuit, the reel （5）In the main shaft（2）On horizontal throw be the pull rope（8）A rope it is wide；

Wherein, the winding displacement transmission mechanism（4）In the inside of the confined space structure.

3. a kind of closed bailing according to claim 1 or 2 enters ring oil rig, it is characterised in that the reel（5）It is logical Cross ball spline（5-3）With the main shaft（2）Connection, the reel（5）Including spiral cylinder（5-2）：

The spiral cylinder（5-2）Two ends have gear line plectane（5-1）, the ball spline（5-3）One end there is spline method It is blue（5-3-3）, the spline flange（5-3-3）With the gear line plectane（5-1）Bolt connection；

Wherein, the pull rope（8）It is wrapped in the spiral cylinder（5-2）On.

4. a kind of closed bailing according to claim 3 enters ring oil rig, it is characterised in that the sealing drum（3）Bag Include cylinder（3-1）：

The cylinder（3-1）Two ends all have outstanding cylinder edge, the cylinder（3-1）Two ends pass through the cylinder respectively Edge and 2 side plates（3-2）Bolt connection, the side plate（3-2）With main shaft connecting hole.

5. a kind of closed bailing according to claim 4 enters ring oil rig, it is characterised in that the rotation axis seal machine Structure（B）Including main shaft seal connecting hole：

Have on the inside of the main shaft seal connecting hole in groove, the groove and be sequentially placed into O-ring（B-1）And support ring（B-2）, The support ring（B-2）With the main shaft（2）Linear sealing；

The main shaft seal connecting hole both sides have screwed hole（B-4）, the rotation axis seal mechanism（B）Pass through the screwed hole （B-4）With the side plate（3-2）Connection.

6. a kind of closed bailing according to claim 5 enters ring oil rig, it is characterised in that the rotation axis seal machine Structure（B）Lower end has bearing（B-5）：

The bearing（B-5）, for supporting the rotation axis seal mechanism（B）.

7. a kind of closed bailing according to claim 6 enters ring oil rig, it is characterised in that the sealing drum（3）Enter One step includes diplopore fixed seat（3-3）With single hole fixed seat（3-4）：

The diplopore fixed seat（3-3）With single hole fixed seat（3-4）It is welded on sealing drum（3）The upper surface of inwall, the diplopore Fixed seat（3-3）With upper hole（3-3-1）And lower opening（3-3-2）, the diplopore fixed seat（3-3）With single hole fixed seat（3-4） The distance between be more than the reel（5）Length；

The diplopore fixed seat（3-3）With single hole fixed seat（3-4）, for winding displacement transmission mechanism（4）Connection.

8. a kind of closed bailing according to claim 7 enters ring oil rig, it is characterised in that the winding displacement transmission mechanism （4）Including mainshaft gear（4-1）：

The mainshaft gear（4-1）Pass through flat key（4-7）With the main shaft（2）Connection, the mainshaft gear（4-1）With center tooth Wheel（4-2）Connection, the idler gear（4-2）With screw gear（4-3）Connection, the screw gear（4-3）Pass through leading screw tooth Wheel shaft and the upper hole（3-3-1）With reciprocal leading screw（4-4）One end connection, the reciprocal leading screw（4-4）The other end and institute State single hole fixed seat（3-4）Connection, the reciprocal leading screw（4-4）On be socketed with sliding block（4-5）；

The idler gear（4-2）Pass through intermediate gear shaft and the lower opening（3-3-2）Connection.

9. a kind of closed bailing according to claim 8 enters ring oil rig, it is characterised in that the sliding block（4-5）Bag Include slider body：

The slider body is circular shape, and the center of the slider body has sliding block connecting hole, the circle of the slider body There is the sliding part of cylinder on arc side（4-5-1）, the cylindrical sliding part（4-5-1）It is described with inside projection Projection is located at the inner side of the sliding block connecting hole；

It is sliding block righting cambered surface on the inside of the circular arc of the slider body（4-5-3）, close to the mainshaft gear（4-1）Gear line circle Plate（5-1）Upper surface passes through the sliding block righting cambered surface（4-5-3）With the sliding block（4-5）Connection.

10. a kind of closed bailing according to claim 9 enters ring oil rig, it is characterised in that the sliding block（4-5）Bag Include shift fork（4-5-2）：

The shift fork（4-5-2）For circular shape, the shift fork（4-5-2）Inner side there is sliding block righting cambered surface（4-5-3）, institute State sliding block righting cambered surface（4-5-3）Top has sliding block connecting hole；The shift fork（4-5-2）Outside cambered surface be provided with hole slot, institute Hole slot is stated to open to the sliding block connection hole；

The hole slot further comprises vat and sulculus, the vat and plug（4-5-4）Threaded connection, the side of the vat Opening is located at the shift fork（4-5-2）Outside cambered surface, another side opening have groove footpath be less than the vat sulculus；

Sliding part is placed in the sulculus（4-5-1）, the sliding part（4-5-1）Side have crescent raised, the moon Thread form projection is located at the inner side of the sliding block connecting hole, opposite side and the plug（4-5-4）Apical grafting；

Close to the mainshaft gear（4-1）Gear line plectane（5-1）Upper end is placed in the sliding block righting cambered surface（4-5-3）Inner side.