CN201794559U - Energy-saving tower-type oil pumping device - Google Patents
Energy-saving tower-type oil pumping device Download PDFInfo
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- CN201794559U CN201794559U CN2010202709274U CN201020270927U CN201794559U CN 201794559 U CN201794559 U CN 201794559U CN 2010202709274 U CN2010202709274 U CN 2010202709274U CN 201020270927 U CN201020270927 U CN 201020270927U CN 201794559 U CN201794559 U CN 201794559U
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Abstract
The utility model discloses an energy-saving tower-type oil pumping device used for oil production. The oil pumping device adopts the structure that a tractor arranged on the tower is linked with a pumping rod and a balancing weight through a transmission mechanism; the transmission mechanism comprises a traction wheel, a first combined guide wheel and a second combined guide wheel; the traction wheel is connected with the tractor; the first combined guide wheel and the second combined guide wheel are arranged on the tower; the first combined guide wheel comprises a first big guide wheel and a first small guide wheel which are coaxial with each other; the second combined guide wheel comprises a second big guide wheel and a second small guide wheel which are coaxial with each other; a hauling rope is arranged between the traction wheel and the first big guide wheel, the traction wheel and the second big guide wheel, the first small guide wheel and the pumping rod, as well as the second small guide wheel and the balancing weight; and the hauling ropes are respectively fixed and wound on the traction wheel, the first combined guide wheel and the second combined guide wheel in a laminated manner. By adopting the two combined guide wheels with changeable winding semidiameters, the utility model has the advantage that idle work during the lifting stroke of the tractor is avoided, so that the oil pumping device is energy-saving veritably; and the hauling ropes are prevented from slipping due to the transmission mechanism adopting the hoisting manner.
Description
Technical field
The utility model relates to a kind of oil exploration equipment, especially relates to a kind of oil pumper of tower-type.
Background technology
At present, in technical field of petroleum extraction, tower shelf type oil pumping machine has obtained using widely, and its common structure is as follows: drive traction sheave after traction machine (motor) slows down by reducing gear and rotate, be arranged with pull rope on the traction sheave, the pull rope two ends connect sucker rod and balancing weight respectively.The rotation of traction machine is slowed down to increase through reducing gear and is turned round the rotation of back drive traction sheave, thereby driving sucker rod by the pull rope of winding on traction sheave rises to finish oil pumping, balancing weight discharges the potential energy that stores and is used for the service hoisting sucker rod, to reduce the starting torque of traction machine, when arriving on the stroke, sucker rod prescribes a time limit, controlling organization control traction machine backward rotation, and this moment, sucker rod descended, balancing weight rises, and traction machine does work with storage of potential energy to balancing weight.Do action so, sucker rod are promptly finished and are continued oil pumping.
What reducing gear usually adopted is belt transmission and gear reduction box, because the volume of gear reduction box is bigger, its manufacture difficulty is big, the cost height, and also reduction box can produce bigger noise in the running, and its maintaining workload at ordinary times is big, is not easy to maintenance.And belt transmission is skidded easily, thereby causes the brake failure of traction sheave and security incident takes place.In addition, sucker rod is in rising and descending stroke, its required tractive force comprises the weight of sucker rod, the weight of oil and the frictional force of whole transmission mechanism, because the weight of oil progressively alleviates, and frictional force is opposite with the direction of motion of sucker rod, therefore, linear change between the minimum value Fmin that prescribes a time limit under maximum value Fmax that the tractive force (polished rod load) of rod end can be when upstroke be just started and the down stroke arrival is used to pump, and in order to reduce the peak torque of traction machine as far as possible, the tractive force that common weight W with balancing weight is a balancing weight is arranged on the average of above-mentioned maximum value and minimum value, be W=(Fmax+Fmin)/2, and then the power and the specification of reduction traction machine, help reducing cost.Because the tractive force that balancing weight produced is invariable, traction machine is in the upstroke that promotes sucker rod, and during ground zero, the tractive force that balancing weight provided is less than the required tractive force of oil pumping rod end, this moment, traction machine was made positive work to sucker rod, played the traction enhancement effect; When sucker rod progressively rises, its required tractive force (polished rod load) progressively reduces, the tractive force that balancing weight produced is during greater than the required tractive force of oil pumping rod end, traction machine begins to flog a dead horse, that is to say, traction machine plays the effect of a resistance and brake, so that keep balance between tractive force that balancing weight produced and the required tractive force of oil pumping rod end, thus reduced the operating efficiency of traction machine.Further, the pull rope that connects balancing weight and sucker rod is that winding is on traction sheave, therefore, when the required tractive force (polished rod load) of the tractive force that balancing weight produced and the rod end of pumping is uneven, occur skidding between pull rope and the traction sheave easily, and traction machine is connected with traction sheave by belt transmission, therefore after the long-term use of belt skidding appears easily also, thus the influence safety in production.
A kind of disclosed on Chinese patent literature " super low energy consumption tower crane type oil pumping machine ", its notification number is CN2908774Y, be fixed with the big truckle that reducing connects as one in the support upper end corresponding with well head, large pulley lower carriage upper end is fixed with the fixed pulley group, be wound with the trip rope on the large pulley, the You Shengyi end is respectively by being fixed on behind fixed pulley group and the running block on the fixed pulley group, running block links to each other with sucker rod, the other end of trip rope is connected with balancing weight, the left side of big truckle is fixed with motor, and the belt pulley on the motor links to each other with truckle by belt.This tower crane type oil pumping machine reduces the tractive force of trip rope by one group of pulley mechanism, thereby reduce the starting power of motor, but there is following point in it: 1. assembly pulley has played the decelerating effect of reduction box, but the tractive force that its balancing weight produced also is constant, therefore still can't solve in the sucker rod problem that motor flogs a dead horse in upstroke, thereby reduced efficiency of motor, increased energy consumption.2. sucker rod is suspended on the running block, therefore occurs easily rocking, and then influences the stable of sucker rod stroke, the safety when being unfavorable for oil pumper work.3. trip rope and belt skid easily, and then reduce its safety and transmission efficiency.4. assembly pulley is multiplied the stroke of balancing weight, thereby makes pylon stroke too high or sucker rod low excessively.
The utility model content
The utility model is the problem of complex structure, working service cost height and the poor stability of, complete machine low for the existing electric efficiency of the tower shelf type oil pumping machine that solves prior art, and a kind of electric efficiency height, simple in structure, safety good and cost is low tower-type oil rig are provided.
To achieve these goals, the utility model is by the following technical solutions: a kind of energy-saving tower-type oil rig, comprise pylon, be fixed on the traction machine on the pylon, traction machine is by transmission mechanism and sucker rod, the balancing weight interlock, described transmission mechanism is the winding type structure, it comprises the traction sheave that links to each other with traction machine, be located at the combination of first on pylon guide wheel, the second combination guide wheel, the described first combination guide wheel is by coaxial first guide wheel, the first little guide wheel is formed, the described second combination guide wheel is by coaxial second largest guide wheel, the second little guide wheel is formed, traction sheave and first, be respectively equipped with the pull rope that transmission is used between the second largest guide wheel, and between the first little guide wheel and sucker rod, be respectively equipped with the pull rope of traction usefulness between the second little guide wheel and the balancing weight, be arranged on traction sheave and first, pull rope two ends between the second largest guide wheel fix and are wound on stackedly traction sheave and first respectively, on the second largest guide wheel; Pull rope one end that is arranged between the first little guide wheel and the sucker rod is fixed and is wound on the first little guide wheel stackedly, and the other end is connected with sucker rod; Pull rope one end that is arranged between the second little guide wheel and the balancing weight is fixed and is wound on the second little guide wheel stackedly, and the other end is connected with balancing weight.The transmission mechanism of existing tower shelf type oil pumping machine has a variety of, its basic thinking all is by the lifting force of work-saving devices such as reduction box, assembly pulley increase to sucker rod, with the output torque of reduction traction machine (motor), and then the power of reduction traction machine is to reach purpose of energy saving.Yet, laborsavingly do not economize the merit principle as can be known by physical, its energy-conserving action is also not obvious, real effect is to reduce the power and the cost of traction machine, and therefore above-mentioned transmission mechanism can't solve the problem that traction machine flogs a dead horse all the time because the tractive force that balancing weight produced is constant in the upstroke of sucker rod.What transmission mechanism of the present utility model adopted is the elevator mode, pull rope is to be wound on first, second big guide wheel, first, second little guide wheel and the traction sheave stackedly, and the winding radius of pull rope is constantly to change when rotating, therefore by balancing weight produced to the tractive force of oil pumping rod end also in continuous change.The rotation of traction machine is at first slowed down by first, second big guide wheel, with the power of reduction traction machine, and its convenient manufacturing simple in structure, need not during running to lubricate, and noise is low; Simultaneously, when traction machine rotates the rising of drive sucker rod, the winding radius of the pull rope on the second little guide wheel progressively reduces, and the winding radius of second largest guide wheel overhanging cable progressively increases, the winding radius of pull rope on the second largest guide wheel on traction sheave then progressively reduces, so balancing weight progressively reduces by the tractive force that the second combination guide wheel is delivered on the traction sheave; Therewith in like manner, the winding radius that is wound on the pull rope on the first little guide wheel progressively increases, and the winding radius of first guide wheel overhanging cable progressively reduces, the winding radius of pull rope on the first guide wheel on traction sheave then progressively increases, therefore, the tractive force that balancing weight produced further reduces after through the first combination guide wheel.Like this, sucker rod is thereon in the stroke, though its required tractive force progressively reduces, but, because the tractive force to sucker rod that balancing weight produced also correspondingly reduces, thereby can effectively avoid causing traction machine to flog a dead horse greater than the required tractive force of sucker rod because of the tractive force that balancing weight produces, by adjusting first respectively, second largest guide wheel, first, the diameter of the second little guide wheel and traction sheave, can realize easily that sucker rod is when arriving the upper limit position of upstroke, the required tractive force of oil pumping rod end equates substantially with the tractive force that balancing weight produces, thereby thoroughly solve the problem that traction machine flogs a dead horse, improve the operating efficiency of traction machine effectively, and the starting load during the traction machine backward rotation can be zero substantially, thereby helps the reverse startup of traction machine.Further, pull rope in the utility model all is to adopt the mode of elevator to be wound on each large and small guide wheel and the traction sheave stackedly, its end is separately fixed on each large and small guide wheel and the traction sheave, thereby can thoroughly avoid the skidding between pull rope and each large and small guide wheel and the traction sheave, safety when having guaranteed the oil rig running, help improving power transmission efficiency, and need not manually to adjust the pull rope pretightning force, thereby help simplifying erection procedure.
As preferably, the described first combination guide wheel, the second combination guide wheel are located at the both sides of traction sheave respectively.Be subjected to equilibrium of forces thereby help traction sheave, the stability when improving the traction sheave operation, and help prolonging its application life.Further, the steel band that is wound between traction sheave and first, second the big guide wheel need not pretension, thereby conveniently installs and uses.
As preferably, described pull rope adopts flat composite steel band.The tensile strength height of composite steel band, long service life need not to lubricate, and flat steel band helps it and reels stackedly.
As preferably, be respectively equipped with on described traction sheave, big guide wheel, the little guide wheel and be used to the U-shaped guide groove of pull rope of reeling, and be provided with the chamfering of guiding at the edge of opening of U-shaped guide groove.The U-shaped guide groove has guiding and positioning action when the stacked coiling of pull rope, can avoid the slump of pull rope when reeling, thereby guarantee that its winding radius is linear change.And the chamfering that is arranged on the edge of opening of U-shaped guide groove has guide effect when pull rope is reeled, pull rope is successfully reeled.
As preferably, on pylon, be provided with directive wheel near first outside of making up guide wheel, the pull rope on the first little guide wheel is walked around directive wheel and is connected with sucker rod, and the bearing support of directive wheel is connected with pylon is removable.By the adjustment of directive wheel position, be convenient to adjust the axiality of pull rope and sucker rod.
As preferably, described traction sheave is provided with electromagnetic brake and bolt-type self-locking mechanism.Out of service or when needing repairing when oil rig, except braking the traction sheave by electromagnetic brake, also available bolt-type self-locking mechanism is the traction sheave locking, thereby can guarantee the reliability of locking, avoids relying on merely the electromagnetic brake of traction machine to carry out the potential safety hazard that locking may occur.
As preferably, described pylon is provided with the vertically-guided mechanism of balancing weight, thereby can avoid the collision of balancing weight and pylon, guarantees the steady lifting of balancing weight.
Therefore, the utlity model has following beneficial effect: (1) under the prerequisite that does not increase traction machine power, has avoided traction machine to flog a dead horse when upward stroke by two groups of combination guide wheels that winding radius is variable, improve the efficient of traction machine effectively, really realized the energy-conservation of oil rig; (2) transmission mechanism of elevator mode has been avoided skidding of pull rope, has improved safety and power transmission efficiency; (3) simple in structure, low cost of manufacture, operation and maintenance is convenient.(4) need not manually to adjust the pull rope pretightning force.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the enlarged drawing of A portion among Fig. 2;
Fig. 4 is the enlarged drawing of B portion among Fig. 2;
Fig. 5 is the axial partial sectional view of the second combination guide wheel in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, among the embodiment shown in Figure 2, a kind of energy-saving tower-type oil rig of the present utility model, comprise pylon 1, traction machine 2, transmission mechanism, sucker rod 3, balancing weight 4 and control cabinet 5, traction machine flatly is arranged on the centre position of pylon upper brace, transmission mechanism comprises and the coaxial traction sheave that is connected 6 of traction machine, the first combination guide wheel 7 that be arranged in parallel respectively and fixedly connected in the left and right sides of traction sheave with pylon, the second combination guide wheel 8, the first combination guide wheel comprises the first guide wheel 71 that is fixed on the same turning cylinder, the first little guide wheel 72, the first little guide wheel wherein is located at the centre of turning cylinder, first guide wheel is made of two identical big guide wheel sheets 711, and it is located at the both sides of the first little guide wheel symmetrically; The second combination guide wheel is made up of second largest guide wheel 81, the second little guide wheel 82 that is fixed on the same turning cylinder equally, second largest guide wheel wherein is located at the centre of power transmission shaft, the second little guide wheel is made of two identical little guide wheel sheets 821, and it is located at the both sides of second largest guide wheel symmetrically.Outermost near the first combination guide wheel on pylon is provided with directive wheel 9, be slidingly connected by guide rail between the bearing support of directive wheel and the pylon, simultaneously at the be rotatably connected adjusting rod 91 of a level of a side of bearing support, the other end of adjusting rod is provided with screw thread, and on pylon the adjusting nut 92 that is connected with adjusting rod is set, because adjusting nut is fixed, therefore, by rotary regulating lever, can realize moving horizontally of adjusting rod, thereby drive moving horizontally of directive wheel.On the face of cylinder of columniform traction sheave, be arranged side by side the U-shaped guide groove 10 of four pull ropes that are used to reel, wherein two U-shaped guide grooves of being located in the middle of the traction sheave are used to reel and connect the pull rope 11 of second largest guide wheel, and two U-shaped guide grooves being located at the traction sheave both sides symmetrically then are used to reel and connect the pull rope of first guide wheel.Correspondingly, on second largest guide wheel, be arranged side by side two U-shaped guide grooves, on two little guide wheel sheets of the second little guide wheel U-shaped guide groove be set respectively also; And the U-shaped guide groove is set respectively on two guide wheel sheets of first guide wheel, and then being arranged side by side two U-shaped guide grooves on the first little guide wheel, the concrete shape of U-shaped guide groove can be referring to accompanying drawing 4.Between traction sheave and first guide wheel, be provided with two pull ropes with transferring power, article two, an end of pull rope is fixing respectively also is wound in the U-shaped guide groove of two big guide wheel sheets of first guide wheel stackedly, and the other end is then fixed respectively and is wound in the U-shaped guide groove in two corresponding on traction sheave outsides stackedly; Between traction sheave and second largest guide wheel, be provided with two pull ropes equally with transferring power, article two, an end of pull rope is fixing respectively also is wound in two U-shaped guide grooves of second largest guide wheel stackedly, and the other end is then fixed respectively and is wound in the U-shaped guide groove of two corresponding on traction sheave centres stackedly.In addition, between the first little guide wheel and the sucker rod, be respectively equipped with the pull rope of two traction usefulness between the second little guide wheel and the balancing weight, two pull rope one ends that are arranged between the first little guide wheel and the sucker rod are fixed respectively and are wound in two U-shaped guide grooves of the first little guide wheel stackedly, and the other end is connected with sucker rod after walking around directive wheel; Be arranged in the fixing respectively U-shaped guide groove that also is wound on two little guide wheel sheets of the second little guide wheel of two pull rope one ends between the second little guide wheel and the balancing weight, the other end then is connected with balancing weight stackedly.Above-mentioned pull rope can adopt flat elevator composite steel band, composite steel band is the intensity height not only, and help stacked coiling in the U-shaped guide groove, and two pull ropes are set respectively between traction sheave and first, second the big guide wheel and between the first little guide wheel and sucker rod, the second little guide wheel and the balancing weight, both helped guaranteeing the intensity of pull rope, be convenient to structural configuration simultaneously, make the rotating shaft stress equalization of traction sheave rotating shaft and first, second combination guide wheel, to improve the mechanical strength of transmission mechanism.In order to ensure the steady coiling of pull rope in the U-shaped guide groove, the chamfering of guiding can be set, at the edge of opening of U-shaped guide groove so that pull rope can successfully be wound in the U-shaped guide groove.On the traction sheave right side, sucker rod produces a clockwise moment of torsion by the pull rope and the first combination guide wheel to traction sheave; In the traction sheave left side, balancing weight produces an anticlockwise moment of torsion by the pull rope and the second combination guide wheel to traction sheave.Swing during for fear of the balancing weight lifting, vertically-guided mechanism 12 as shown in Figure 3 can be set on pylon, specifically can on pylon, vertical guide peg 121 be set the both sides near balancing weight respectively, correspondingly, roller 122 is set on balancing weight, roller and guide peg form and are slidingly connected, thereby make the balancing weight can be along the steady lifting of guide peg.Certainly, also can between pylon and balancing weight, guide rail be set, to realize stable lifting.In addition, in the upper and lower limit position of balancing weight limit switch 13 is set respectively, it realizes the rotating control of traction machine by control cabinet 5.
Oil rig of the present utility model operating principle in the running is as follows:
As shown in Figure 1, when sucker rod the oil pumping upstroke the time, traction machine and balancing weight provide tractive force that sucker rod is risen simultaneously, traction machine produces draw by the first combination guide wheel, directive wheel to sucker rod, and balancing weight rises by the second combination guide wheel, traction sheave, the first combination guide wheel, directive wheel traction sucker rod.Sucker rod is in upward stroke, because the weight of the oil of its extraction is progressively alleviating, therefore its required tractive force progressively reduces, sucker rod required maximum drawbar pull when the upstroke ground zero is Fmax, sucker rod required minimum tractive force when arriving the lower position of down stroke is Fmin, when we can be set in the upstroke ground zero, still be (Fmax+Fmin)/2 by the initial traction force that balancing weight produced to the oil pumping rod end, the average of just maximum, minimum tractive force, thus the power output of guaranteeing traction machine can be not excessive.Traction machine drives the traction crop rotation and rotates counterclockwise, traction sheave rotates counterclockwise by the first guide wheel of steel strip driving, the first little guide wheel that is fixed in the same rotating shaft with first guide wheel rotates counterclockwise synchronously, and by being wound on the steel band traction sucker rod rising oil pumping on the first little guide wheel, owing to connect the steel band of the sucker rod and the first little guide wheel and be winding at one slidably on the directive wheel, therefore can make steel band and sucker rod coaxial by the horizontal level of adjusting directive wheel, guarantee sucker rod lifting smoothly.Meanwhile, the steel band that is connected with second largest guide wheel on the traction sheave progressively discharges, balancing weight rotates counterclockwise by the steel strip driving second little guide wheel, and drive the second largest guide wheel that is fixed on the same axle with the second little guide wheel and rotate counterclockwise synchronously, by traction sheave tractive torque is delivered on the first combination guide wheel with the rising of traction sucker rod then.In the progressively uphill process of sucker rod, steel band progressively discharges on the second little guide wheel that links to each other with balancing weight, therefore its winding radius progressively reduces, because moment of torsion equals the active force of steel band and the product of steel band winding radius, thereby make balancing weight also progressively be linear decrease to the tractive torque that the second little guide wheel produces, simultaneously, the steel band of reeling on the second largest guide wheel progressively increases, therefore its winding radius also progressively increases, because it is second largest, moment of torsion on the little guide wheel is equal-sized, therefore, the second largest guide wheel of this moment progressively reduces the tractive force of the steel band of connection traction sheave, and the winding radius of this steel band on traction sheave also progressively reduces, and therefore the tractive torque to traction sheave further reduces; Further, the winding radius that connects the steel band of first guide wheel on the traction sheave progressively increases, and the winding radius of steel band progressively reduces on the first guide wheel, therefore, the moment of torsion that the moment of torsion that above-mentioned balancing weight produced is delivered on the first little guide wheel after by traction sheave and first guide wheel reduces again, and the winding radius of the first little guide wheel progressively increases, so the tractive force that above-mentioned moment of torsion produces on the steel band that connects sucker rod diminishes, that is to say, the tractive force that the tractive force of balancing weight finally is delivered on the sucker rod after by above-mentioned transmission mechanism progressively reduces, thereby progressively reduce corresponding with the required tractive force of sucker rod, avoided the balancing weight defective invariable in the existing tower-type oil rig to the tractive force of sucker rod, first by reasonably selecting, little guide wheel and second largest, parameters such as the diameter of little guide wheel and thickness of strips, can realize easily that sucker rod is when arriving the upper limit position of upstroke, the required tractive force of the tractive force that balancing weight produced and sucker rod equates substantially, like this, can guarantee that not only traction machine does not flog a dead horse in whole upstroke, can make simultaneously the starting load of traction machine in reverse down stroke is zero substantially, thereby help improving the startability of traction machine, reduce the impact of excessive starting current, prolong the application life of traction machine.
When sucker rod arrived the upper limit position of upstroke, correspondingly, balancing weight arrived the lower position of its stroke, and contacts with the travel switch of its lower position, controller control traction machine backward rotation, and sucker rod enters descending stroke.At this moment, balancing weight becomes load, makes its rising accumulation of energy and the tractive force that sucker rod and traction machine produced draws balancing weight jointly.Because this moment, the weight of sucker rod remained unchanged substantially, and it is just opposite during the upstroke of the variation of the winding radius of steel band and front sucker rod on the first large and small guide wheel and the second large and small guide wheel and the traction sheave, therefore, balancing weight progressively increases by the moment of torsion that the second combination guide wheel is delivered on the traction sheave, sucker rod then progressively reduces by the moment of torsion that the first combination guide wheel is delivered on the traction sheave, the moment of torsion that moment of torsion that traction machine produced and sucker rod produce is used to promote balancing weight jointly, therefore traction machine is to the balancing weight work done, so that make balancing weight rising accumulation of energy.When sucker rod arrived the lower position of its down stroke, balancing weight just in time contacted with the travel switch of its stroke upper limit, and the counter-rotating of controller control traction machine begins second oil pumping circulation, and so constantly circulation repeats to realize continuous oil pumping.
When oil rig of the present utility model need be safeguarded or shut down the long period; except the electromagnetic brake of traction machine itself carries out the locking traction sheave; we can set up a bolt-type self-locking mechanism 14 on traction sheave; specifically can along circumference some pin holes 142 be set evenly at the end face of traction sheave; the position of while corresponding certain pin hole on the bearing support of traction sheave is provided with the latch 141 of head band tapering; when the needs self-locking; thereby in the pin hole that can the latch insertion is relative with it that traction sheave is locked, to guarantee the safety of device.
The above only is a kind of typical structure of the present utility model, can make a lot of changes according to basic principle of the present utility model as those skilled in the art, for example: change balancing weight wherein into sucker rod, can realize the both sides oil pumping; Traction machine and traction sheave also can be arranged on the bottom of pylon; And first, second combination introduction that is used to slow down can be designed to secondary even multistage as required.In addition, use for the area that seasons oneself to cold, we can install protective cover additional on transmission mechanism, and the heat that produces when utilizing traction machine, transmission mechanism work makes composite steel band can be operated in a suitable temperature, avoid the composite material sclerosis on composite steel band top layer, to prolong its application life; The also available common wire rope of composite steel band that connects balancing weight and the second little guide wheel, sucker rod and the first little guide wheel in addition replaces, thereby can simplify the structure of protective cover; Further, we can set up an assembly pulley to reduce the power output of traction machine simultaneously in the wherein one or both sides of sucker rod and balancing weight, reduce the lifting travel of balancing weight.Again further; we can change traction sheave and first introduction connected mode into steel band (or belt) ring seal shape and be connected; like this; when sucker rod one side runs into holddown; the first combination guide wheel overhanging cable skids and plays the effect of protection oil well pump; and balancing weight one side is non-slip to guarantee job safety; second largest introduction can be used as the pretightning force of first introduction overhanging cable to the tractive force of traction sheave simultaneously; prevent the idle stroke and the impact phenomenon of the break-in moment generation that motor positive and inverse is moving, save artificial pretension.
Claims (10)
1. energy-saving tower-type oil rig, comprise pylon (1), be fixed on the traction machine (2) on the pylon, traction machine is by transmission mechanism and sucker rod (3), balancing weight (4) interlock, it is characterized in that, described transmission mechanism is the winding type structure, it comprises the traction sheave (6) that links to each other with traction machine, be located at the combination of first on pylon guide wheel (7), the second combination guide wheel (8), the described first combination guide wheel is by coaxial first guide wheel (71), the first little guide wheel (72) is formed, the described second combination guide wheel is by coaxial second largest guide wheel (81), the second little guide wheel (82) is formed, traction sheave and first, be respectively equipped with the pull rope (11) that transmission is used between the second largest guide wheel, and between the first little guide wheel and sucker rod, be respectively equipped with the pull rope of traction usefulness between the second little guide wheel and the balancing weight, be arranged on traction sheave and first, pull rope two ends between the second largest guide wheel fix and are wound on stackedly traction sheave and first respectively, on the second largest guide wheel; Pull rope one end that is arranged between the first little guide wheel and the sucker rod is fixed and is wound on the first little guide wheel stackedly, and the other end is connected with sucker rod; Pull rope one end that is arranged between the second little guide wheel and the balancing weight is fixed and is wound on the second little guide wheel stackedly, and the other end is connected with balancing weight.
2. a kind of energy-saving tower-type oil rig according to claim 1 is characterized in that, the described first combination guide wheel, the second combination guide wheel are located at the both sides of traction sheave respectively.
3. a kind of energy-saving tower-type oil rig according to claim 1 is characterized in that, described pull rope adopts flat composite steel band.
4. according to claim 1 or 2 or 3 described a kind of energy-saving tower-type oil rigs, it is characterized in that, be respectively equipped with on described traction sheave, first, second big guide wheel and first, second the little guide wheel and be used to the U-shaped guide groove (10) of pull rope of reeling, and be provided with the chamfering of guiding at the edge of opening of U-shaped guide groove.
5. according to claim 1 or 2 or 3 described a kind of energy-saving tower-type oil rigs, it is characterized in that, the outside near the first combination guide wheel on pylon is provided with directive wheel (9), pull rope on the first little guide wheel is walked around directive wheel and is connected with sucker rod, and directive wheel is connected by bearing support and pylon are removable.
6. a kind of energy-saving tower-type oil rig according to claim 4, it is characterized in that, the outside near the first combination guide wheel on pylon is provided with directive wheel, and the pull rope on the first little guide wheel is walked around directive wheel and is connected with sucker rod, and the bearing support of directive wheel is connected with pylon is removable.
7. according to claim 1 or 2 or 3 described a kind of energy-saving tower-type oil rigs, it is characterized in that described traction sheave is provided with electromagnetic brake and bolt-type self-locking mechanism (14).
8. a kind of energy-saving tower-type oil rig according to claim 6 is characterized in that described traction sheave is provided with electromagnetic brake and bolt-type self-locking mechanism.
9. according to claim 1 or 2 or 3 described a kind of energy-saving tower-type oil rigs, it is characterized in that described pylon is provided with the vertically-guided mechanism (12) of balancing weight.
10. a kind of energy-saving tower-type oil rig according to claim 8 is characterized in that described pylon is provided with the vertically-guided mechanism of balancing weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202709274U CN201794559U (en) | 2010-07-26 | 2010-07-26 | Energy-saving tower-type oil pumping device |
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| CN2010202709274U CN201794559U (en) | 2010-07-26 | 2010-07-26 | Energy-saving tower-type oil pumping device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052062A (en) * | 2010-07-26 | 2011-05-11 | 马丙辉 | Energy-saving tower-type oil pumping device |
| CN117090523A (en) * | 2023-10-20 | 2023-11-21 | 大庆市华禹石油机械制造有限公司 | Automatic operation vehicle for carbon fiber continuous sucker rod |
-
2010
- 2010-07-26 CN CN2010202709274U patent/CN201794559U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052062A (en) * | 2010-07-26 | 2011-05-11 | 马丙辉 | Energy-saving tower-type oil pumping device |
| CN102052062B (en) * | 2010-07-26 | 2013-04-03 | 马丙辉 | Energy-saving tower-type oil pumping device |
| CN117090523A (en) * | 2023-10-20 | 2023-11-21 | 大庆市华禹石油机械制造有限公司 | Automatic operation vehicle for carbon fiber continuous sucker rod |
| CN117090523B (en) * | 2023-10-20 | 2024-01-12 | 大庆市华禹石油机械制造有限公司 | Automatic operation vehicle for carbon fiber continuous sucker rod |
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Granted publication date: 20110413 Termination date: 20110726 |