CN202788661U

CN202788661U - Energy-saving protector for oil extraction rod

Info

Publication number: CN202788661U
Application number: CN 201220457600
Authority: CN
Inventors: 牛佰成
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-10
Filing date: 2012-09-10
Publication date: 2013-03-13
Anticipated expiration: 2022-09-10

Abstract

The utility model relates to an energy-saving protector for an oil extraction rod. The protector comprises a support body, a bearing seat, a ratchet, a square clip seat, a lifting block and a square clip, wherein the center of the support body is a hollow cavity; an outer cover is arranged on the outer side of the upper part of the support body; a tilted slot is formed in the upper opening of the support body; the bearing seat is positioned between the support body and the ratchet; a belleville spring is arranged in an annular space formed by the bearing seat and the support body; the bearing seat is connected with the ratchet by a thrust ball bearing; the square clip seat penetrates through the outer cover and is connected with the ratchet; a pressure guiding bearing is arranged between the square clip seat and the ratchet; the outer side of the pressure guiding bearing is fixed together with the lifting block by a rigid flat gasket; an adjusting bolt is arranged on the lifting block; the end of the adjusting bolt is positioned in the tilted slot of the support body; the square clip is arranged on the square clip seat; and the oil extraction rod penetrates through the center of the square clip, the square clip seat, the pressure guiding bearing, the ratchet and the bearing seat. By the energy-saving protector, the problems that the energy-saving protector is inconvenient to mount and repair and cannot well protect the oil extraction rod in the traditional use process are solved.

Description

The pumping rod energy-saving protector

Technical field

The utility model relates to a kind of energy-saving appliance that sucker rod is had protective effect that uses when oil-field oil pumper hangs down-hole load.

Background technology

There are some problems in the oil pumping process: the one, because sucker rod for a long time, pump incessantly, is prone to the phenomenon that occurs eccentric wear between sucker rod and the oil pipe, the consequence of eccentric wear is the application life that has had a strong impact on oil pipe, sucker rod; The 2nd, because sucker rod is longer, bump, produce vibration with tube inner wall easily during work, thereby the problem that rod collar is threaded off or ruptured occurs.

For addressing the above problem, there is the technician to hang the equipment of down-hole load by improving oil pumper, this setting comprises the parts such as supporting base, elevator, ratchet, bearing support, fixture block, loam cake, square deck, and specifically at the supporting base skewed slot of offering suitable for reading, supporting base is bolted loam cake; Offer endoporus on the elevator, and at two ends bearing is installed; The top of ratchet has the endoporus that is the conical surface from inside to outside, and the outside is six equal portions ratchets, and each ratchet has centre bore, mounting spring in the hole, spring top dress slide block, slide block top dress cylindrical bearing; Bearing support is contained in the cavity at supporting base center, is connected with the bottom of ratchet by bearing; The butterfly spring is housed in the annular space of bearing support bottom and supporting base, the rigidity plain cushion is housed between butterfly spring and the supporting base; Fixture block vertically is split up into two halves, and the lower end is cone, and its tapering and ratchet top endoporus are cone match.The equipment of this structure is but found to exist fixture block that comparatively difficulty is installed in the process of installing and keeping in repair, and in case impaired, it is also very inconvenient to keep in repair; In addition, although this equipment has reduced eccentric wear, disconnected phenomenon of taking off to a certain extent, but because of the defective of structure, still there is the problem to sucker rod protection poor effect.

Summary of the invention

The purpose of this utility model is to provide a kind of pumping rod energy-saving protector for the problems referred to above, and is former in the fixture block in the equipment by replacing, thereby solves the problem that causes integral installation, inconvenient maintenance and sucker rod is protected poor effect because of the fixture block structure problem.

The utility model purpose is achieved by following technical proposals: the pumping rod energy-saving protector comprises supporting mass, bearing support, ratchet, square deck, elevator, side's card, wherein, the supporting mass center is cavity, and the supporting mass upper outside is equipped with outer cover, the supporting mass skewed slot that has suitable for reading; Bearing seat is equipped with the butterfly spring in the annular space of bearing support and supporting mass between supporting mass and ratchet, be connected by thrust ball bearing between bearing support and the ratchet; Side's deck passes outer cover and is connected with ratchet, adds the pressure guide bearing between square deck and the ratchet, and the pressure guide bearing outside is fixed by rigidity plain cushion and elevator, is provided with adjusting bolt on the elevator, and the adjusting bolt end is positioned at the skewed slot of supporting mass; On the side's side's of being installed on deck, sucker rod passes from the center of square card, square deck, pressure guide bearing, ratchet, bearing support.

The good effect that the utlity model has:

1, the utility model has been replaced the former fixture block of using in the equipment by the working pressure guide bearing, thereby has solved the problem of the installation, maintenance inconvenience that exists in the in the past use procedure;

Can do uniform rotation by the automatic traction sucker rod when 2, the utility model moves up and down along with sucker rod at work, the wearing and tearing of sucker rod are evenly distributed, effectively prevented sucker rod generation eccentric wear, prolonged the application life of sucker rod, reached the purpose of effectively protecting sucker rod, prolong pump detection period, save operating cost;

3, the utility model drives sucker rod and rotates, and can make rod connector be in all the time the state of tightening, and can effectively prevent from the oil well accident that causes because of pumping rod disengaging from indirectly having reached energy-conservation purpose;

4, the utility model can have stronger cushioning effect to the pulling force that sucker rod increases suddenly, can effectively avoid causing the damage of pump housing member because the stress that oil well pump sand card causes is uprushed;

5, be the integral body of a sealing after the utility model assembling, have anti-artificial destruction, rainproof, corrosion in water function, i.e. antitheft again safety.

6, the utility model can be in the situation without External Force Acting, make sucker rod produce simultaneously rotation reciprocating, allow the damping device in the device fully absorb the impact force that produces when oil pumper rises, guarantee the at work even running of sucker rod of oil pumper.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of supporter in the utility model.

Among the figure: 1 supporting mass, 2 bearing supports, 3 ratchets, 4 side's decks, 5 elevators, 6 sides card, 7 outer covers, 8 skewed slots, 9 butterfly springs, 10 sucker rods, 11 thrust ball bearings, 12 pressure guide bearings, 13 rigidity plain cushions, 14 adjusting bolts.

The specific embodiment

Fig. 1 provides structural representation of the present utility model; Fig. 2 is the structural representation of supporter in the utility model, and the utility model is described in further detail below in conjunction with Fig. 1, Fig. 2: the pumping rod energy-saving protector comprises supporting mass 1, bearing support 2, ratchet 3, square deck 4, elevator 5, side's card 6.Wherein, supporting mass 1 center is cavity, and supporting mass 1 upper outside is equipped with outer cover 7, supporting mass 1 skewed slot 8 that has suitable for reading.Bearing support 2 is equipped with butterfly spring 9 in the annular space of bearing support 2 and supporting mass 1 between supporting mass 1 and ratchet 3, by the support of supporter 1, by butterfly spring 9 store, bearing load, the vertical force of sucker rod 10 is changed axial moment of torsion.Be connected by thrust ball bearing 11 between bearing support 2 and the ratchet 3.Side's deck 4 passes outer cover 7 and is connected with ratchet 3, add pressure guide bearing 12 between side's deck 4 and the ratchet 3, pressure guide bearing 12 outsides are fixing with elevator 5 by rigidity plain cushion 13, are provided with adjusting bolt 14 on the elevator 5, and adjusting bolt 14 ends are positioned at the skewed slot 8 of supporting mass 1.By thrust ball bearing 11 connecting axle bearings 2, ratchet 3, make ratchet 3 take thrust ball bearing 11 as run-on point, guarantee ratchet 3 and elevator 5 runnings.In addition, can make elevator 5 stressed after according to the angle track operation of skewed slot 8, form the clutch bodies with ratchet 3, stressed rear elevator 5 becomes one with

ratchet

3,5 of elevators do not separate with ratchet 3 when stressing.During use, on side's card 6 side's of being contained in decks 4, sucker rod 10 passes from the center of side's card 6, square deck 4, pressure guide bearing 12, ratchet 3, bearing support 2.

During work, the alternation of load is that the transmission by mechanism changes vertical power into axial torsion, drives sucker rod and rotates to finish.When oil pumper when lower fulcrum moves upward, load is maximum, be fastened on the side's card on the sucker rod, on the power side of being delivered to deck, square deck is delivered to the pressure guide bearing with power, pressure guide bearing and ratchet become one when stressed, the rolling bearing of two end points of elevator is installed in the supporter skewed slot suitable for reading, thereby has produced axial moment of torsion, like this each jig frequency when moving downward with ratchet is stressed, elevator just turns an angle, and the butterfly spring that the variation of power is installed below from bearing support.When sucker rod moves upward in a flash at lower fulcrum, the effect that the butterfly spring is subject to peak load begins compression, along with the upper fulcrum of running to of oil pumper, the moment that the utility model begins to move downward, its load is O, and this moment, the effect of butterfly spring no-load returned to reset condition.Like this, the utility model alternation according to its load when oil pumper is worked reaches the steadily purpose of rotation of sucker rod.

Claims

1. pumping rod energy-saving protector, comprise supporting mass (1), bearing support (2), ratchet (3), square deck (4), elevator (5), side's card (6), wherein, supporting mass (1) center is cavity, supporting mass (1) upper outside is equipped with outer cover (7), supporting mass (1) skewed slot (8) that has suitable for reading; Bearing support (2) is positioned between supporting mass (1) and the ratchet (3), in the annular space of bearing support (2) and supporting mass (1) butterfly spring (9) is housed, be connected by thrust ball bearing (11) between bearing support (2) and the ratchet (3), it is characterized in that: described side's deck (4) passes outer cover (7) and is connected with ratchet (3), add pressure guide bearing (12) between side's deck (4) and the ratchet (3), pressure guide bearing (12) outside is fixing by rigidity plain cushion (13) and elevator (5), be provided with adjusting bolt (14) on the elevator (5), adjusting bolt (14) end is positioned at the skewed slot (8) of supporting mass (1); On side's card (6) side of being contained in deck (4), sucker rod (10) passes from the center of square card (6), square deck (4), pressure guide bearing (12), ratchet (3), bearing support (2).