CN207421228U - Multi-functional rod pump protector - Google Patents

Abstract

The utility model discloses a kind of multi-functional rod pump protectors,Including housing,Polished rod,Worm and worm wheel,Worm screw includes level-one worm screw,Second-stage worm,Worm gear includes first-stage worm gear and worm gear main shaft,Polished rod is arranged on the inner hub location of housing,Polished rod lower end is connected by worm gear main shaft with housing,Polished rod upper end is connected by frictional disk with housing,The circumference side of the being provided with clamp of frictional disk uplink polished rod,Disc spring is provided between frictional disk and worm gear main shaft,The worm gear portion of worm gear main shaft engages connection with the worm section of second-stage worm,Second-stage worm and first-stage worm gear key connection,First-stage worm gear engages connection with the worm section of level-one worm screw,Level-one worm screw and ratchet key connection,Ratchet engages connection with pawl by rubidium iron boron permanent magnet,Ratchet is connected with clutch housing,The lower end of pawl is connected with flexible chain,The other end of flexible chain is connected with sucker rod.The utility model uses fillet disc spring, adds the service life of disc spring.

Description

Multi-functional rod pump protector

Technical field：

The utility model is related to a kind of protector, more particularly to a kind of multi-functional rod pump protector.

Background technology：

At present, in " three take out " equipment（Pumping unit, sucker rod and oil well pump）In, in the mistake that equipment pumps Cheng Zhong, it is general that equipment is wanted to generate slowly rotation, to prevent sucker rod partial wear and avoid equipment disconnected de- because occurring during eccentric wear；Have When equipment is also protected using protector, be provided with damping device disc spring in protector, traditional disc spring and extraneous intersection are all Horn structure, in equipment running process, horn structure abrasion it is more severe, the service life is not grown, and the plant maintenance cycle is short.

Utility model content：

Technical problem to be solved in the utility model is：It overcomes the deficiencies of the prior art and provide a kind of with damping work( It can be with the multi-functional rod pump protector of energy saving effect.

The utility model is for the technical solution adopted for solving the technical problem：

A kind of multi-functional rod pump protector, including housing, polished rod, worm and worm wheel, the worm screw include level-one worm screw, Second-stage worm, the worm gear include first-stage worm gear and worm gear main shaft, and the polished rod is arranged on the inner hub location of the housing, The polished rod lower end is connected by the worm gear main shaft with the housing, and the polished rod upper end is connected by frictional disk and the housing It connects, the circumference side of the being provided with clamp of the frictional disk uplink polished rod is provided with dish between the frictional disk and the worm gear main shaft Spring, the flat end of the disc spring and the corner of the frictional disk or the worm gear main shaft intersection are arranged to fillet, and institute The bottom for stating disc spring is the platform that width is two millimeters, the worm gear portion of the worm gear main shaft and the worm screw portion of the second-stage worm Divide engagement connection, the second-stage worm and the first-stage worm gear key connection, the first-stage worm gear and the worm screw of the level-one worm screw Part engagement connection, the level-one worm screw and ratchet key connection, the ratchet engage connection with pawl by rubidium iron boron permanent magnet, The ratchet is connected with clutch housing, and the lower end of the pawl is connected with flexible chain, the other end and the sucker rod phase of flexible chain Connection.

The worm gear lower step of the worm gear main shaft is seated on loading bearing, the upper surface of worm gear main shaft and the disc spring It is in contact, and composite bearing supporting positive cover is provided at the outer circle of the worm gear main shaft and endoporus.

The disc spring is provided with two panels, and two panels disc spring is superposed in a manner of back-to-back, the upper surface of the disc spring with Flat face touches at the annular groove of the frictional disk, and uplink side's clamp of the frictional disk passes through its internal card tooth and the polished rod Rigid connection, the frictional disk is provided with the housing junction stops screw and dust-proof seal ring.

The housing has the cylindrical structural of outer for upper end, and the outer portion periphery of the housing is provided with rope plait, The outer subordinate end of rope plait and the housing is provided with steel pendant, and the housing passes through plait and steel pendant and the pumping unit horsehead company of restricting It connects.

The level-one worm screw is provided with end cap with the first-stage worm gear connecting pin, and head bolts are provided on end cap, described Level-one worm screw is provided with worm screw nut with the clutch housing connecting pin, is set between the level-one worm screw lower end and the housing Thrust roller bearing is equipped with, the second-stage worm upper end is provided with adjust pad and adjusts gap jackscrew, and spine is provided on the pawl Pawl pin axis.

The positive beneficial effect of the utility model is：

1st, the partial structurtes size of disc spring changes in the utility model, the service life for extending disc spring by a relatively large margin, The flat end of disc spring instead of the horn structure of traditional disc spring and is incited somebody to action with extraneous intersection with rounded structure in the utility model Bottom is designed to the platform that width is 2mm, and rounded structure reduces stress concentration, and width is that the platform of 2mm enhances disc spring Bearing capacity makes the service life of disc spring than originally increase 0.5 times.

2nd, the worm section of level-one worm screw is meshed with first turbine in the utility model, first turbine and second-stage worm key Connection, the worm section of second-stage worm are meshed with the turbine portion of turbine spindle, and the rotation of such level-one worm screw passes through two-stage Slow down and turbine spindle is driven to be rotated, reduction ratio is up to 900, and it is equal to realize the space sucker rod limited at polished rod eye position Even, slow rotation, after deceleration, sucker rod rotary angle 0.01 (°)/jig frequency, single-stage speed reducing mechanism rotating speed is only 0.3 (°).

3rd, the utility model can make rod string generate slowly rotation by double reduction, effectively prevent that sucker rod is inclined Mill avoids sucker rod from occurring due to eccentric wear disconnected de-；The clockwise rotation generated simultaneously is also possible to prevent sucker rod because turning round The dropout accident that square is influenced and generated, so as to extend the pump detection period of oil well.

4th, disc spring has energy certain storage and release function in the utility model, and horse head upstroke load rises When, disc spring storage energy, when horse head down stroke load declines, disc spring releases energy, and can mitigate vibrations and impact takes out equipment to three Influence, while can make horse head maximum polished rod load reduce, minimum load slightly rise so that pulsating stress amplitude variation it is small, Sucker rod roofbolt reduced stress declines, and is conducive to extension rod column life.

5th, the utility model disc spring alleviates inertia and shock load is to entirely pumping by the storage and release of energy The influence of system, measured indicator diagram area reduce, and polished rod horsepower is declined, so the utility model has certain energy saving effect Should, power saving rate is up to 3%~7%.

Description of the drawings：

Fig. 1 is the structure diagram of the multi-functional rod pump protector of the utility model；

Fig. 2 is the top view of the multi-functional rod pump protector of the utility model；

Fig. 3 is the structure diagram of disc spring in Fig. 2.

Specific embodiment：

The utility model is made further explanation in the following with reference to the drawings and specific embodiments：

Referring to Fig. 1, Fig. 2 and Fig. 3：In figure, 1- housings, 2- stops screw, 3- frictional disks, 4- composite bearing supporting positive covers, 5- Disc spring, 6- dust-proof seal rings, 7- loading bearings, 8- worm gear main shafts, 9- head bolts, 10- end caps, 11- first-stage worm gears, 12- bis- Grade worm screw, 13- side's clamp, 14- rope plaits, 15- level-one worm screws, 16- thrust roller bearings, 17- clutch housings, 18- ratchets, 19- pawls, 20- flexible chains, 21- rubidium iron boron permanent magnets, 22- pawl axis pins, 23- steel pendant.

Embodiment：A kind of multi-functional rod pump protector, including housing 1, polished rod, worm and worm wheel, worm screw includes level-one Worm screw 15, second-stage worm 12, worm gear include first-stage worm gear 11 and worm gear main shaft 8, and polished rod is arranged on the inside center position of housing 1 It puts, polished rod lower end is connected by worm gear main shaft 8 with housing 1, and polished rod upper end is connected by frictional disk 3 with housing 1, on frictional disk 3 The circumference side of the being provided with clamp 13 of row polished rod, is provided with disc spring 5, the flat end of disc spring 5 between frictional disk 3 and worm gear main shaft 8 It is arranged to fillet with the corner of 8 intersection of frictional disk 3 or worm gear main shaft, and the bottom of disc spring 5 is that width is two millimeters flat Platform, the worm gear portion of worm gear main shaft 8 engage connection, second-stage worm 12 and 11 key of first-stage worm gear with the worm section of second-stage worm 12 Connection, first-stage worm gear 11 engage connection, level-one worm screw 15 and 18 key connection of ratchet, ratchet 18 with the worm section of level-one worm screw 15 Connection is engaged with pawl 19 by rubidium iron boron permanent magnet 21, ratchet 18 is connected with clutch housing 17, the lower end connection of pawl 19 Flexible chain 20, the other end of flexible chain 20 are connected with sucker rod.

The worm gear lower step of worm gear main shaft 8 is seated on loading bearing 7, and the upper surface of worm gear main shaft 8 connects with disc spring 5 It touches, and composite bearing supporting positive cover 4 is provided at the outer circle of worm gear main shaft 8 and endoporus.

Disc spring 5 is provided with two panels, and two panels disc spring 5 is superposed in a manner of back-to-back, the upper surface of disc spring 5 and frictional disk Flat face touches at 3 annular groove, and uplink side's clamp 13 of frictional disk 3 is rigidly connected by its internal card tooth with polished rod, friction Disk 3 is provided with 1 junction of housing stops screw 2 and dust-proof seal ring 6.

Housing 1 has the cylindrical structural of outer for upper end, and the outer portion periphery of housing 1 is provided with rope plait 14, pigtail of restricting The outer subordinate end of son 14 and housing 1 is provided with steel pendant 23, and housing 1 passes through plait 14 and steel pendant 23 and the pumping unit horsehead company of restricting It connects.

Level-one worm screw 15 is provided with end cap 10 with 11 connecting pin of first-stage worm gear, and head bolts 9, level-one are provided on end cap 10 Worm screw 15 is provided with worm screw nut with 17 connecting pin of clutch housing, and thrust is provided between 15 lower end of level-one worm screw and housing 1 Roller bearing 16,12 upper end of second-stage worm are provided with adjust pad and adjust gap jackscrew, and pawl axis pin 22 is provided on pawl 19.

During work, during rod string pumps, moved up and down using horse head, fixed by one end The rotation of the progress certain angle of clutch housing 17 is driven in the flexible chain 20 of oil pumping body suitable position, clutch housing 17 is logical It crosses the absorption pawl 19 of rubidium iron boron permanent magnet 21 to engage with ratchet 18, ratchet 18 and 15 key connection of level-one worm screw, such bell housing While body 17 rotates, level-one worm screw 15 rotates synchronously, and the worm section of level-one worm screw 15 is meshed with first turbine, level-one whirlpool Wheel and 12 key connection of second-stage worm, the worm section of second-stage worm 12 are meshed with the turbine portion of turbine spindle, such level-one The rotation of worm screw 15 drives turbine spindle to be rotated by double reduction, and the turbine lower step of turbine spindle falls within carrying On bearing 7, the upper surface of turbine spindle is in contact with disc spring 5, and composite shaft bearing sleeve is placed at the outer circle and endoporus of turbine spindle pair Turbine spindle plays centralizing function, and energy storage disc spring 5 is superimposed for the back-to-back mode of two panels, 5 upper surface of disc spring and the annular groove of frictional disk 3 Place's flat face touches, and 3 uplink of frictional disk, square clamp 13 is rigidly connected by internal card tooth and polished rod, such underground sucker rod column And fluid column gravity is loaded on by square clamp 13 on frictional disk 3, power is passed by frictional disk 3, disc spring 5, turbine spindle loading bearing 7 It is directed on housing 1, pumping unit horsehead is connected by whip of restricting, steel pendant 23 with housing 1, and the power on final housing 1 is by pumping unit Horse head undertakes, and when flexible chain 20 drives clutch housing 17 to carry out certain angle rotation, this power obtains multi-functional rod pump and protects It protects inside device after the amplification of double reduction, via frictional disk 3, square clamp 13 polished rod is driven to be rotated, since reduction ratio is big by nine Hundred, the smaller power of 20 order of flexible chain can drive rod string to carry out extremely slowly rotation.

The above is only the preferred embodiments of the utility model, and the utility model is not made in any form Limitation, it is every according to the technical essence of the utility model to above example made it is any it is simple modification, equivalent variations with Modification, still falls in the protection domain of technical solutions of the utility model.

Claims (5)

1. a kind of multi-functional rod pump protector, including housing, polished rod, worm and worm wheel, it is characterized in that：The worm screw includes one Grade worm screw, second-stage worm, the worm gear include first-stage worm gear and worm gear main shaft, and the polished rod is arranged in the inside of the housing Heart position, the polished rod lower end are connected by the worm gear main shaft with the housing, and the polished rod upper end passes through frictional disk and institute State housing connection, the circumference side of the being provided with clamp of the frictional disk uplink polished rod, between the frictional disk and the worm gear main shaft Disc spring is provided with, the flat end of the disc spring and the corner of the frictional disk or the worm gear main shaft intersection are arranged to justify Angle, and the bottom of the disc spring is the platform that width is two millimeters, worm gear portion and the second-stage worm of the worm gear main shaft Worm section engagement connection, the second-stage worm and the first-stage worm gear key connection, the first-stage worm gear and the level-one snail The worm section engagement connection of bar, the level-one worm screw and ratchet key connection, the ratchet pass through rubidium iron boron permanent magnet and pawl Engagement connection, the ratchet is connected with clutch housing, and the lower end of the pawl is connected with flexible chain, the other end of flexible chain and Sucker rod is connected.

2. multi-functional rod pump protector according to claim 1, it is characterized in that：The worm gear lower stage of the worm gear main shaft Rank is seated on loading bearing, and the upper surface of worm gear main shaft is in contact with the disc spring, and the outer circle of the worm gear main shaft and interior Composite bearing supporting positive cover is provided at hole.

3. multi-functional rod pump protector according to claim 1, it is characterized in that：The disc spring is provided with two panels, two panels Disc spring is superposed in a manner of back-to-back, and the upper surface of the disc spring is touched with flat face at the annular groove of the frictional disk, Uplink side's clamp of the frictional disk is rigidly connected by its internal card tooth with the polished rod, and the frictional disk connects with the housing The place of connecing, which is provided with, stops screw and dust-proof seal ring.

4. multi-functional rod pump protector according to claim 1, it is characterized in that：The housing has outer for upper end Cylindrical structural, the outer portion periphery of the housing are provided with rope plait, the outer subordinate end setting of restrict plait and the housing There is a steel pendant, the housing is by restricting plait and steel pendant is connected with pumping unit horsehead.

5. multi-functional rod pump protector according to claim 1, it is characterized in that：The level-one worm screw and the level-one snail Wheel connecting pin is provided with end cap, head bolts is provided on end cap, the level-one worm screw sets with the clutch housing connecting pin Worm screw nut is equipped with, is provided with thrust roller bearing between the level-one worm screw lower end and the housing, in the second-stage worm End is provided with adjust pad and adjusts gap jackscrew, and pawl axis pin is provided on the pawl.