CN206957597U - Upper touching formula rod rotor - Google Patents

Abstract

Formula rod rotor is touched in one kind, it is related to petroleum works apparatus field, it includes housing, sucker rod support base, ratchet mechanism and Worm gear mechanism, sucker rod support base is connected by key with Worm gear mechanism, Worm gear mechanism includes worm gear, worm screw, deep groove ball bearing and thrust bearing, housing is cased with outside Worm gear mechanism, described deep groove ball bearing and thrust bearing is arranged on housing, housing shell is provided with dust cover, dust cover is provided with through type forced filling oil cup, through type forced filling oil cup is connected with enclosure interior, and case top by bolt with boring cover by being connected；Ratchet mechanism is installed on housing bottom, and ratchet mechanism includes spine axle, pawl disk, ratchet and pawl.It is reasonable in design that formula rod rotor is touched in sheet, cost is low, disclosure satisfy that the reasonable rotation of daily 23 circle, therefore the structure securely and reliably can realize sucker rod rotary, reach the purpose of reduction sucker rod partial wear with this, be adapted to large-scale promotion and use.

Description

Upper touching formula rod rotor

Technical field：

It the utility model is related to petroleum works apparatus field, and in particular to upper touching formula rod rotor.

Background technology：

The rotation of touching formula rod rotor sucker rod, all it is to utilize oil pumper hanging rope during up-down stroke mostly Device is realized relative to the change of pithead position.Touching formula rod rotor is arranged on polished rod eye, is transported up and down with polished rod eye Dynamic, horse head spurt is driving force in the reciprocatory movement above and below oil pumper, and dash speed determines the rotary speed of sucker rod.

Stay-supported circulator is to be connected to using a bracing wire on oil pumper, and by oil pumper up-down stroke, horse head drives The linkage of bracing wire combination stay-supported circulator makes sucker rod do mechanical rotation.Its shortcoming be with sucker rod rigid connection, it is right Magnitude of load and motor running the size of current change that vibrations, pumping unit horsehead caused by underground are born can not make a response dynamic Make；Steel wire rope may cause to draw not in place, it is impossible to cause polished rod to rotate because environment influences fatigue occur.And the device is showed Because oil pumper lower dead center is not easy to hold during the installation of field, cause the position inaccuracy stopped during execute-in-place, taken out for stay-supported Beam hanger rotating suspension device, it will likely result in the bracing wire at lower dead center and be pulled off, rocking arm is caused the accident of device damage by stretch bending.

Impacting type rod rotor is when utilizing oil pumper up-down stroke, and the impinger driven under horse head collides well head Reaction force is produced, makes sucker rod rotary.Its shortcoming is that lower touching has many problems in the process of running.Oil pumper is in descending mistake Reduced in journey because sucker rod bears weight, existing torsion rotates steel wire rope to steel wire rope in itself, and at this moment sucker rod revolves Turning device push rod can not be collided completely with ratchet swing rod, therefore sucker rod ratchet swing rod can not be made to drive sucker rod rotary, and well Mouth collision has certain influence to well head operation.

Utility model content：

The purpose of this utility model be in order to overcome above-mentioned the shortcomings of the prior art in place of, and touching formula is taken out on providing Beam hanger circulator, it is reasonable in design, compensate for the deficiency of existing circulator, securely and reliably can realize sucker rod rotary, with This reduces the purpose of sucker rod partial wear to reach.

In order to solve the problems existing in background technology, the utility model is to adopt the following technical scheme that：Including housing, take out Beam hanger support base, ratchet mechanism and Worm gear mechanism, sucker rod support base are connected by key with Worm gear mechanism, and Worm gear mechanism includes snail Wheel, worm screw, deep groove ball bearing and thrust bearing, worm gear side are connected by key with sucker rod support base, worm gear opposite side and snail Bar is meshed, and worm gear upper and lower ends install deep groove ball bearing and thrust bearing respectively, and thrust bearing lower end is provided with sealing ring, worm gear Housing is cased with outside mechanism, described deep groove ball bearing and thrust bearing are arranged on housing, and housing shell is provided with dust cover, dust-proof Cover is provided with through type forced filling oil cup, and through type forced filling oil cup connects with enclosure interior, case top by by bolt with it is vexed Lid connection；Ratchet mechanism is installed on housing bottom, and ratchet mechanism includes spine axle, pawl disk, ratchet and pawl, and the rod end of ratchet leads to Cross back-moving spring to be connected with housing base, ratchet is meshed with ratchet, and ratchet is installed on spine axle by ratchet spring, spine axle peace Loaded on pawl disk.

Described ratchet spring uses extension spring, active length 1mm, maximum stretching force 14N, and minimum stretch power is 10N, spring hanging column 2.5mm.

The cooperation of described deep groove ball bearing and worm gear and spine axle uses interference fits.

Described worm screw inner ring and outer ring are connected with separable taper roll bearing.

Using lubrication selection through type forced filling oil cup at described worm screw.

Described key uses general flat key A types.

The beneficial effects of the utility model are reasonable in design, and cost is low, disclosure satisfy that the reasonable rotation of daily 2-3 circles Turn, therefore the structure securely and reliably can realize sucker rod rotary, and the purpose of reduction sucker rod partial wear is reached with this, be adapted to Large-scale promotion and use.

Brief description of the drawings：

Fig. 1 is the utility model front view；

Fig. 2 is the utility model top view；

Fig. 3 is the utility model ratchet mechanism schematic diagram.

Embodiment：

With reference to each figure, the utility model specifically uses and mode is implemented as follows：Including housing 12, sucker rod support base 2, ratchet Mechanism and Worm gear mechanism, sucker rod support base 2 are connected by key 1 with Worm gear mechanism, and Worm gear mechanism includes worm gear 4, worm screw 7, depth Ditch ball bearing 3 and thrust bearing 8, the side of worm gear 4 are connected by key 1 with sucker rod support base 2, the opposite side of worm gear 4 and the phase of worm screw 7 Engagement, the upper and lower ends of worm gear 4 install deep groove ball bearing 3 and thrust bearing 8 respectively, and the lower end of thrust bearing 8 is provided with sealing ring 9, snail Wheel mechanism overcoat has housing 12, and described deep groove ball bearing 3 and thrust bearing 8 are set on housing 12, and the shell of housing 12 is provided with Dust cover 6, dust cover 6 are provided with through type forced filling oil cup 5, and through type forced filling oil cup 5 connects with the inside of housing 12, and housing 12 pushes up Portion by bolt 10 with boring cover 11 by being connected；Ratchet mechanism is installed on the bottom of housing 12, and ratchet mechanism includes spine axle 13, ratchet Disk 14, ratchet 15 and ratchet 17, the rod end of ratchet 15 are connected by back-moving spring 16 with the base of housing 12, ratchet 15 and ratchet 17 It is meshed, ratchet 17 is installed on spine axle 13 by ratchet spring, and spine axle 13 is installed on pawl disk 14.Described ratchet spring Using extension spring, active length 1mm, maximum stretching force 14N, minimum stretch power is 10N, spring hanging column 2.5mm.Institute The cooperation of the deep groove ball bearing 3 and worm gear 4 stated and spine axle 13 uses interference fits.The described inner ring of worm screw 7 and outer ring with can The taper roll bearing connection of separation.Using lubrication selection through type forced filling oil cup 5 at described worm screw 7.Described key 1 uses General flat key A types.

Formula rod rotor is touched in sheet, mainly using sucker rod during up, between polished rod eye and horse head Range difference is driving force.Reach the purpose of primary speed-down by travelling gear 18, travelling gear 1 passes motion to worm gear machine Structure, while Worm gear mechanism reaches the purpose of double reduction, then motion transform has been carried out by Worm gear mechanism, sucker rod is entered Row circular motion.

During sucker rod is up, polished rod eye is gradually close with horse head, when rod rotor collision bar connects with horse head Touch when, horse head start drive collision bar it is descending, collision bar is connected with ratchet swing rod, and ratchet swing rod is connected to a left side for ratchet mechanism Side, thus ratchet swing rod also begin to it is descending；When sucker rod is descending, it is gradually distance between horse head and polished rod eye, this is that horse head is opened Begin to promote the collision bar of rod rotor up, due to the presence of ratchet mechanism, oil pumping can't be driven when sucker rod is descending Bar rotates, therefore prevents the revolution of sucker rod, when horse head leaves rod slap bar completely, answering on rod rotor Position spring 16 starts to act on, and ensures that its collision bar will not move under gravity when horse head leaves rod rotor.

The optimal rotation angle of sucker rod is 0.015 °, and the jig frequency of each oil pumper is different, is calculated by average level, takes oil pumping Jig frequency n=6 time/punching of machine, ratchet 15 has 12 teeth, and then the rotating cycle of sucker rod and ratchet 15 is respectively in the time：

The angle of ratchet rotation of stroke：；

The rotating cycle of sucker rod；；

The rotating cycle of ratchet：；

Gearratio is：；

By calculate analyze, calculated according to the optimal speed of rotation, it is necessary to gearratio be 2000, the transmission Than being difficult to using the simple kind of drive, the gearratio is realized according to the form of Multi-stage transmission, structure also will be very huge Big.On the one hand due to huge structure, the weight of rod rotor will be very big, be not easy to install.Another aspect polished rod eye On space it is limited, coarse scale structures can not be installed.Therefore in structure design it is contemplated that the method for near-optimization gearratio It is designed.The speed of sucker rod rotary is expanded 10 times, i.e., 0.15 ° by reasonably 0.015 °.So, now sucker rod is every It rotating cycle is 3.6 circles, then gearratio now is 200, is driven using the two-stage of travelling gear 18 and Worm gear mechanism This gearratio can be realized.

In summary, touching formula rod rotor is reasonable in design in sheet, and cost is low, disclosure satisfy that daily 2-3 circles Reasonable rotation, therefore the structure securely and reliably can realize sucker rod rotary, and sucker rod partial wear is reduced to reach with this Purpose, it is adapted to large-scale promotion and use.

Claims (6)

1. formula rod rotor is touched in one kind, including housing（12）, sucker rod support base（2）, ratchet mechanism and worm gear machine Structure, it is characterised in that：Sucker rod support base（2）Pass through key（1）It is connected with Worm gear mechanism, Worm gear mechanism includes worm gear（4）, worm screw （7）, deep groove ball bearing（3）And thrust bearing（8）, worm gear（4）Side passes through key（1）With sucker rod support base（2）Connection, worm gear （4）Opposite side and worm screw（7）It is meshed, worm gear（4）Upper and lower ends install deep groove ball bearing respectively（3）And thrust bearing（8）, push away Power bearing（8）Lower end is provided with sealing ring（9）, housing is cased with outside Worm gear mechanism（12）, described deep groove ball bearing（3）And thrust axis Hold（8）It is arranged on housing（12）On, housing（12）Shell is provided with dust cover（6）, dust cover（6）It is provided with through type forced filling oil cup （5）, through type forced filling oil cup（5）With housing（12）Inside connection, housing（12）Top is by passing through bolt（10）With boring cover （11）Connection；Ratchet mechanism is installed on housing（12）Bottom, ratchet mechanism include spine axle（13）, pawl disk（14）, ratchet（15） And ratchet（17）, ratchet（15）Rod end pass through back-moving spring（16）With housing（12）Base connects, ratchet（15）Top is with passing Moving gear（18）Connection, travelling gear（18）Installation and housing（12）It is interior, ratchet（15）With ratchet（17）It is meshed, ratchet（17） Spine axle is installed on by ratchet spring（13）On, spine axle（13）It is installed on pawl disk（14）On.

2. upper touching formula rod rotor according to claim 1, it is characterised in that：Ratchet spring is using stretching bullet Spring, active length 1mm, maximum stretching force 14N, minimum stretch power are 10N, spring hanging column 2.5mm.

3. upper touching formula rod rotor according to claim 1, it is characterised in that：Deep groove ball bearing（3）And worm gear （4）With spine axle（13）Cooperation use interference fits.

4. upper touching formula rod rotor according to claim 1, it is characterised in that：Worm screw（7）Inner ring and outer ring are equal It is connected with separable taper roll bearing.

5. upper touching formula rod rotor according to claim 1, it is characterised in that：Worm screw（7）Place is using lubrication choosing Select through type forced filling oil cup（5）.

6. upper touching formula rod rotor according to claim 1, it is characterised in that：Key（1）Using general flat key A Type.