CN204373896U - Inclination angle simulation system for oil well pump test - Google Patents
Inclination angle simulation system for oil well pump test Download PDFInfo
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- CN204373896U CN204373896U CN201420833176.0U CN201420833176U CN204373896U CN 204373896 U CN204373896 U CN 204373896U CN 201420833176 U CN201420833176 U CN 201420833176U CN 204373896 U CN204373896 U CN 204373896U
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- oil well
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- 239000003129 oil well Substances 0.000 title claims abstract description 74
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000004088 simulation Methods 0.000 title claims description 40
- 230000007246 mechanism Effects 0.000 claims description 37
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 10
- 238000011156 evaluation Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000009533 lab test Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an inclination analog system is used in oil-well pump test, it includes: the vertical frame is provided with two vertical guide rails which are parallel to each other, and a vertical pulley is slidably clamped between the two vertical guide rails; one end of the horizontal guide rail is positioned at the bottom end of the vertical frame, and a horizontal pulley is slidably arranged on the horizontal guide rail; the support frame is positioned between the vertical frame and the horizontal guide rail, one end of the support frame is pivotally connected to the vertical pulley, and the other end of the support frame is pivotally connected to the horizontal pulley. The utility model discloses an experimental inclination analog system of using of oil-well pump can establish oil-well pump inclination analog test means, inclination parameter when increasing oil-well pump indoor test for more comprehensive evaluation oil-well pump function.
Description
Technical field
The utility model has about one test inclination angle simulation system, especially has the oil well pump test inclination angle simulation system about applying in a kind of oil well pump simulation laboratory test.
Background technology
Oil well pump is the important lifting implement in oil field, and down-hole liquid is given rise to ground.The height of oil well pump efficiency directly will affect oil-production efficiency.Along with the progress of technology and conditions down-hole increasingly harsh, the Special subsurface pump of different structure, function increases gradually.But structural design and the change of most of oil well pump are all be based upon on theory calculate, do not carry out the shop experiment of system.From the prior art, not yet to have, shaping oil well pump inclination angle simulation experiment system, found part easy device from network and document, tilt adjustment function can be realized, but no matter from structural reliability or parameter regulating power, all there is certain drawback.Therefore, for findding out the factor that affects oil well pump efficiency further and affecting size, set up simulation laboratory test system and be of great practical significance.
Enter under oil well pump in oil well, because oil well track is not complete level or vertical, have certain angle, and in oil well pump structure, friction pair, standing valve, travelling valve affect by angle comparatively serious.Therefore, set up inclination angle simulation system, carry out the test of oil well pump inclination angle, increase the dip angle parameter in oil well pump simulation test, to pumping efficiency of oil pump test, there is very important scientific value and realistic meaning.
Utility model content
The purpose of this utility model is to provide a kind of oil well pump test inclination angle simulation system, sets up oil well pump inclination angle simulation test means, increases dip angle parameter during oil well pump shop experiment, for more fully evaluating pumping oil pumping function.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of oil well pump test inclination angle simulation system, and described oil well pump test inclination angle simulation system comprises:
Stand, which is provided with two vertical guide rails be parallel to each other, and is folded with vertical coaster slidably between two described vertical guide rails;
Horizontal guide rail, its one end is positioned at the bottom of described stand, and described horizontal guide rail is provided with fleeting tackle slidably;
Bracing frame, it is between described stand and described horizontal guide rail, and one end of support frame as described above is connected on described vertical coaster pivotly, and the other end of support frame as described above is connected on described fleeting tackle pivotly.
In a preferred embodiment, the upper end of described stand is provided with electric block, and described vertical coaster is connected with described electric block.
In a preferred embodiment, described fleeting tackle is provided with reclining lock mechanism, and described reclining lock mechanism comprises:
Two are located orifice plate, and it is connected to the bottom of described fleeting tackle;
Locate orifice plate under two, it is connected on described horizontal guide rail, and two described lower location orifice plates lay respectively at the outside of two described upper location orifice plates, and described lower location orifice plate offers fixed orifice;
Hydraulic cylinder with double piston rods, it has cylinder barrel, and described cylinder barrel is folded between described two upper location orifice plates, and the two ends of described cylinder barrel are equipped with piston rod respectively, described piston rod is connected on the orifice plate of described upper location movably, and described piston rod is relative with described fixed orifice.
In a preferred embodiment, the two ends of described cylinder barrel are equipped with orienting sleeve respectively, and described orienting sleeve is set on described piston rod, and described orienting sleeve is arranged with pressure cap, and described pressure cap is connected on described cylinder barrel.
In a preferred embodiment, described horizontal guide rail is provided with slope mechanism, described slope mechanism has two wedge shape gussets be arranged in parallel, described wedge shape gusset is positioned at the bottom of described stand, the top of two described wedge shape gussets is connected with slope guide rail, and described slope guide rail is relative with described horizontal guide rail to be connected.
In a preferred embodiment, described vertical coaster and described fleeting tackle all have vehicle frame plate, described vehicle frame plate is connected with two bracing frame bearing seat assemblies be arranged side by side, the two ends of support frame as described above are connected to bracing frame bearing pin, and the two ends of support frame as described above bearing pin are connected with support frame as described above bearing seat assembly respectively.
In a preferred embodiment, support frame as described above bearing seat assembly comprises the bearing seat be connected on described vehicle frame plate, and support frame as described above bearing pin is located in described bearing seat, is provided with angular contact ball bearing between support frame as described above bearing pin and described bearing seat.
In a preferred embodiment, four wheel sets are folded with respectively between the vehicle frame plate of described vertical coaster and two described vertical guide rails.
In a preferred embodiment, four wheel sets that the both sides, upper end of the vehicle frame plate of described vertical coaster connect are elastic wheel assembly, described elastic wheel assembly comprises the bearing on the vehicle frame plate being connected to described vertical coaster, the upper end of described bearing is equipped with coupling shaft, described coupling shaft is provided with wheel, be provided with bearing between described wheel and described coupling shaft, between the two ends of described coupling shaft and described bearing, be connected with spring.
In a preferred embodiment, described fleeting tackle is connected with hydraulic mechanism, described hydraulic mechanism has oil cylinder, and described oil cylinder is connected with oil pump, and described oil pump is connected with described hydraulic cylinder with double piston rods.
Feature and the advantage of oil well pump test inclination angle of the present utility model simulation system are: the utility model can meet the needs of oil well pump performance test under various angle of inclination, to simulate the practical working situation of oil well pump in straight well, inclined shaft, horizontal well, this oil well pump test inclination angle simulation system achieves the change at oil well pump inclination angle, its Stability Analysis of Structures, simple to operate, meet the needs that oil well pump inclination angle changes, and then the evaluation of test oil well pump function.The utility model is applied to the evaluation of oil well pump lab simulation, the tie surface circulation system, hoisting system, has carried out oil well pump inclination angle at 0 ° ~ 90 ° different angles oil well pump simulation laboratory tests.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of oil well pump test inclination angle of the present utility model simulation system.
Fig. 2 is the schematic diagram of the reclining lock mechanism of oil well pump test inclination angle of the present utility model simulation system.
Fig. 3 is the schematic diagram of the hydraulic mechanism of oil well pump test inclination angle of the present utility model simulation system.
Fig. 4 is the schematic diagram of the bracing frame bearing seat assembly of oil well pump test inclination angle of the present utility model simulation system.
Fig. 5 is the schematic diagram of the elastic wheel assembly of oil well pump test inclination angle of the present utility model simulation system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of oil well pump test inclination angle simulation system, it comprises stand 1, horizontal guide rail 2 and bracing frame 3, wherein: stand 1 is provided with between two vertical guide rails be parallel to each other, 11, two described vertical guide rails 11 and is folded with vertical coaster 12 slidably; One end of horizontal guide rail 2 is positioned at the bottom of described stand 1, and described horizontal guide rail 2 is provided with fleeting tackle 21 slidably; Bracing frame 3 is between described stand 1 and described horizontal guide rail 2, and one end of support frame as described above 3 is connected on described vertical coaster 12 pivotly, and the other end of support frame as described above 3 is connected on described fleeting tackle 21 pivotly.
Specifically, the both sides of stand 1 are connected with two vertical guide rails 11, two vertical guide rails 11 are arranged in parallel, vertical coaster 12 is folded between two vertical guide rails 11, the upper end of stand 1 is connected with bracket of electric hoist 131, this bracket of electric hoist 131 is connected with electric block 13, and this electric block 13 is connected with vertical coaster 12, and it moves up and down between two vertical guide rails 11 for driving vertical coaster 12.
Horizontal guide rail 2 is arranged on the bottom of stand 1, which is provided with fleeting tackle 21, and fleeting tackle 21 can move horizontally on horizontal guide rail 2.
Bracing frame 3 is arranged between stand 1 and horizontal guide rail 2, and one end of bracing frame 3 is connected on vertical coaster 12 pivotly, and its other end is connected on fleeting tackle 21 pivotly.When electric block 13 drive move up and down in two vertical guide rails 11 of vertical coaster 12 in stand 1 time, vertical coaster 12 drives one end of bracing frame 3 to move up and down, the other end of bracing frame 3 drives fleeting tackle 2 to move horizontally on horizontal guide rail 2, and the inclination angle of bracing frame 3 changes thereupon.
Bracing frame 3 is fixed with oil well pump 4 rigidly, this oil well pump 4 is parallel with bracing frame 3, therefore the pump barrel inclination angle of oil well pump 4 is identical with the inclination angle of bracing frame 3, the angle theta (also namely, the inclination angle of bracing frame 3) of the pump barrel and pedal line that rely on this bracing frame 3 can realize oil well pump 4 changes within the scope of 0 ° ~ 90 °.
Further, in the present embodiment, horizontal guide rail 2 is provided with slope mechanism 5, this slope mechanism 5 has two wedge shape gussets 51 be arranged in parallel, wedge shape gusset 51 is positioned at the bottom of stand 1, the top of two wedge shape gussets 51 is connected with slope guide rail 52, and this slope guide rail 52 is relative with horizontal guide rail 2 to be connected.Slope guide rail 52 and wedge shape gusset 51 all adopt 20mm steel plate to manufacture, and the circle of the upper planar inverted radius R 5 of slope guide rail 52, is convenient to the free-running operation of fleeting tackle 21, and the gradient of slope mechanism 5 is 1:11, and its height is 200mm, and long is 2200mm.Slope mechanism 5 and horizontal guide rail 2 weld together, and the beginning of slope mechanism 5 needs to process round and smooth, smooth and easy, ensure passing through smoothly of fleeting tackle 21.
The effect of slope mechanism 5 is when ensureing to transfer bracing frame 3 from upright position, bracing frame 3 and on oil well pump 4 effect of gravity can be relied on to fall voluntarily, after using slope mechanism 5, the tilt adjustment process of bracing frame 3, simple to operate, safe and reliable.
Slope mechanism 5 make use of inclined plane principle the most basic in physics, and when bracing frame 3 is raised to close to upright position, slope mechanism 5 climbed up by fleeting tackle 21; When transferring from upright position, fleeting tackle 21 is descending along slope mechanism 5 under gravity.When fleeting tackle 21 is covered after slope mechanism 5 arrives on horizontal guide rail 2, bracing frame 3 has been provided with certain angle, and this angle is enough to ensure that fleeting tackle 21 moves along horizontal guide rail 2 under gravity.
The process of carrying out oil well pump 4 inclination angle simulation test is as follows: when bracing frame 3 is in vertical position, the pump barrel of oil well pump 4 and the angle theta of pedal line are 0 °, now slowly transfer electric block 13, fleeting tackle 21 is descending along the slope guide rail 52 of slope mechanism 5, whole bracing frame 3 falls, after arriving certain inclination angle, bracing frame 3 and on oil well pump 4 will rely on the effect of gravity and transfer voluntarily.After reaching required inclination angle, stop the slip of fleeting tackle 21, thus achieve the locking to bracing frame 3, then can carry out the experiment work of oil well pump 4.When bracing frame 3 hoists from horizontal level to upright position, process is contrary with said process, and hoist electric block 13, the inclination angle of bracing frame 3 reduces gradually, when inclination angle is close to upright position, slope mechanism 5 climbed up by fleeting tackle 21, transfers ready for operation for next time.
Oil well pump test inclination angle of the present utility model simulation system, the needs of oil well pump 4 performance test under various angle of inclination can be met, to simulate the practical working situation of oil well pump 4 in straight well, inclined shaft, horizontal well, this oil well pump test inclination angle simulation system achieves the change at oil well pump 4 inclination angle, its Stability Analysis of Structures, simple to operate, meet the needs that oil well pump 4 inclination angle changes, and then the evaluation of test oil well pump 4 function.The utility model is applied to the evaluation of oil well pump lab simulation, the tie surface circulation system, hoisting system, has carried out oil well pump inclination angle at 0 ° ~ 90 ° different angles oil well pump simulation laboratory tests.
Electric block 13 is important hoisting devices of oil well pump test inclination angle simulation system, and its elevating capacity, lifting velocity, lifting altitude must meet request for utilization.In a specific embodiment of the present utility model, from the viewpoint of elevating capacity, the weight of vertical coaster 12 is 1.5 tons, and the weight of bracing frame 3 is 2.5 tons, attached frame weight on bracing frame 3 is 2.0 tons, and the weight of other mechanical connection systems and power system is according to 4.0 tons of calculating.To sum up, the actual weight hoisted of electric block 13 is the weight of vertical coaster 12, adds the half (also namely, 4.25 tons) of upper support frame 3 and upper all devices weight thereof, 5.75 tons altogether.For the sake of security, select the lifting capacity of electric block 13 to be 10 tons, the weight of above-mentioned each equipment is estimated all more conservative, and the actual lifting capacity of electric block 13 can not more than 5.0 tons, so be safe and reliable.In addition, in this embodiment, the height of stand 1 is about 20m, and the lifting altitude selecting electric block 13 is 30m, leaves certain surplus that hoists.
The lifting velocity of electric block 13 is the problems that must think better of.Fleeting tackle 21 tangential movement speed is closely related, as shown in table 1 with the vertical lifting velocity of electric block 13.
The relation of the vertical lifting velocity of table 1 and tangential movement speed
| Sequence number | Bracing frame inclination angle (degree) | Vertical lifting velocity (m/s) | Tangential movement speed (m/s) |
| 1 | 90.0 | 0.013 | ∞ |
| 2 | 88.0 | 0.013 | 0.775 |
| 3 | 87.2 | 0.013 | 0.550 |
| 4 | 86.6 | 0.013 | 0.446 |
| 5 | 86.1 | 0.013 | 0.386 |
| 6 | 85.6 | 0.013 | 0.347 |
| 7 | 85.2 | 0.013 | 0.315 |
| 8 | 84.8 | 0.013 | 0.292 |
| 9 | 84.4 | 0.013 | 0.273 |
| 10 | 84.1 | 0.013 | 0.257 |
| 11 | 81.2 | 0.013 | 0.172 |
| 12 | 79.2 | 0.013 | 0.140 |
| 13 | 77.5 | 0.013 | 0.120 |
| 14 | 76.1 | 0.013 | 0.107 |
| 15 | 74.7 | 0.013 | 0.094 |
| 16 | 73.5 | 0.013 | 0.090 |
| 17 | 72.4 | 0.013 | 0.084 |
| 18 | 71.3 | 0.013 | 0.078 |
| 19 | 70.3 | 0.013 | 0.074 |
| 20 | 61.9 | 0.013 | 0.050 |
| 21 | 55.4 | 0.013 | 0.039 |
| 22 | 49.9 | 0.013 | 0.032 |
| 23 | 44.9 | 0.013 | 0.027 |
| 24 | 40.3 | 0.013 | 0.023 |
| 25 | 36.0 | 0.013 | 0.019 |
| 26 | 32.0 | 0.013 | 0.017 |
| 27 | 28.1 | 0.013 | 0.014 |
| 28 | 24.3 | 0.013 | 0.012 |
| 29 | 20.7 | 0.013 | 0.010 |
| 30 | 17.1 | 0.013 | 0.008 |
| 31 | 13.6 | 0.013 | 0.006 |
| 32 | 10.2 | 0.013 | 0.005 |
| 33 | 6.8 | 0.013 | 0.002 |
| 34 | 3.4 | 0.013 | 0.001 |
| 35 | 0.0 | 0.013 | 0.000 |
Vertical lifting velocity in upper table calculates according to 0.8m/min.Data as can be seen from table, the inclination angle of bracing frame 3 is larger, and the movement velocity of fleeting tackle 21 is faster, when bracing frame 3 is close to vertical angle time, the movement velocity of fleeting tackle 21 levels off to infinity in theory, so the lifting velocity of electric block 13 can not be too fast.But when the inclination angle of bracing frame 3 is less (such as, inclination angle is 0 ° ~ 30 °), the movement velocity of fleeting tackle 21 is very slow, in order to increase work efficiency, the lifting velocity of electric block 13 can be slightly fast.For this reason, the utility model have employed two-speed electric block, and be 8m/min at a high speed, low speed is 0.8m/min.
According to an embodiment of the present utility model, as shown in Figure 2, described fleeting tackle 21 is provided with reclining lock mechanism 22, orifice plate 222 and hydraulic cylinder with double piston rods 223 are located under comprising two upper location orifice plates 221, two by described reclining lock mechanism 22, wherein: two upper location orifice plates 221 are connected to the bottom of fleeting tackle 21; Locating orifice plate 222 under two is connected on horizontal guide rail 2, locates the outside that orifice plate 222 lays respectively at two upper location orifice plates 221, lower location orifice plate 222 offers fixed orifice 2221 under two; Hydraulic cylinder with double piston rods 223 has cylinder barrel 2231, cylinder barrel 2231 is located between orifice plate 221 on two, the two ends of cylinder barrel 2231 are equipped with piston rod 2232 respectively, and piston rod 2232 is connected on location orifice plate 221 movably, and piston rod 2232 is relative with fixed orifice 2221.
Specifically, two upper location orifice plates 221 are connected to the bottom of fleeting tackle 21 side by side by screw, and two upper location orifice plates 221 offer two relative through holes 2211 of level respectively.
Hydraulic cylinder with double piston rods 223 is located between orifice plate 221 on two, in the present embodiment, the two ends of the cylinder barrel 2231 of hydraulic cylinder with double piston rods 223 are equipped with piston rod 2232 respectively, the outer end of piston rod 2232 is connected in the through hole 2211 of location orifice plate 221 movably, orienting sleeve 2233 is equipped with respectively at the two ends of the cylinder barrel 2231 of hydraulic cylinder with double piston rods 223, orienting sleeve 2233 is set on piston rod 2232, further, orienting sleeve 2233 is arranged with pressure cap 2234, this pressure cap 2234 is connected on cylinder barrel 2231.
Locate the outside that orifice plate 222 is positioned at two upper location orifice plates 221 under two, lower location orifice plate 222 is fixed on horizontal guide rail 2, and lower location orifice plate 222 offers fixed orifice 2221, and this fixed orifice 2221 is relative with the through hole 2211 on upper location orifice plate 221.In the utility model, horizontal guide rail 2 is fixed with multiple spaced lower location orifice plate 222, thus when fleeting tackle 21 is slided on horizontal guide rail 2, upper location orifice plate 221 on fleeting tackle 21 is docked with the lower location orifice plate 222 on horizontal guide rail 2 diverse location by hydraulic cylinder with double piston rods 223, fleeting tackle 21 to be positioned at the diverse location on horizontal guide rail 2, for the Inclination maneuver of bracing frame 3 provides premise.
When the oil supply hole in the middle part of the cylinder barrel 2231 of hydraulic cylinder with double piston rods 223 passes into high pressure liquid force feed, two piston rods 2232 hung on location orifice plate 221 stretch out to both sides, insert in the fixed orifice 2221 of lower location orifice plate 222, upper location orifice plate 221 and lower location orifice plate 222 are connected into an entirety, be actually and fleeting tackle 21 and horizontal guide rail 2 are coupled together, to realize the locking to fleeting tackle 21.When passing into high pressure liquid force feed from two oil supply holes of cylinder barrel 2231 both sides, two piston rods 2232 are all retracted to the center of cylinder barrel 2231, thus throw off the connection of upper location orifice plate 221 and lower location orifice plate 222, fleeting tackle 21 can move freely on horizontal guide rail 2.
Further, in the present embodiment, the end of piston rod 2232 and the fixed orifice 2221 of lower location orifice plate 222 are all designed to large chamfering structure, to ensure that piston rod 2232 can easily stretch among the fixed orifice 2221 of lower location orifice plate 222.Have passed through meticulous consideration in the design, guarantee is located piston rod 2232 part transmitting strength between orifice plate 221 and lower location orifice plate 222, do not contact with seal, ensure the positiver sealing of cylinder barrel 2231.
This reclining lock mechanism 22, for realizing the locking of fleeting tackle 21 on horizontal guide rail 2, to realize the locking to bracing frame 3, thus realizes the experiment work to oil well pump 4 under the condition of a certain inclination angle.
In the utility model, the high pressure liquid force feed passed in the hydraulic cylinder with double piston rods 223 of reclining lock mechanism 22 is carried by a hydraulic mechanism 7, and this hydraulic mechanism 7 is connected on fleeting tackle 21.As shown in Figure 3, this hydraulic mechanism 7 has oil cylinder 71, and oil cylinder 71 is connected with oil pump 72, and oil pump 72 is connected with hydraulic cylinder with double piston rods 223.
The principle of work of hydraulic mechanism 7 is: motor 73 drives oil pump 72 to work, and is sucked by hydraulic oil, provide high-voltage oil liquid after supercharging to hydraulic cylinder with double piston rods 223 by the oil filter 74 be connected with oil pump 72 oil-in from oil cylinder 71.The effect of the retaining valve 75 be connected with oil pump 72 oil-out prevents hydraulic oil from refluxing, and the effect of the surplus valve 76 be connected with retaining valve 75 is the pressure setting up hydraulic mechanism 7, plays safeguard protection effect.The effect of the throttling valve 77 be connected with retaining valve 75 is the speed adjusting hydraulic cylinder with double piston rods 223.
Control the solenoid directional control valve 78 of hydraulic cylinder with double piston rods 223, Median Function is " E " type, realizes the locking of oil cylinder 71 during meta.When this solenoid directional control valve 78 is in left position work, two piston rods 2232 are protruding, realize locking action; When this solenoid directional control valve 78 is in right position work, two piston rods 2232 are retracted in cylinder barrel 2231.
Selected by hydraulic mechanism 7, the discharge capacity of oil pump 72 is 10ml/r, the rotating speed of motor 73 is 1450r/min, and the flow of system is 14.5L/min, the diameter D=100mm of cylinder barrel 2231, diameter d=the 50mm of piston rod 2232, then the maximal rate that piston rod 2232 stretches out is:
The maximal rate that piston rod 2232 is retracted is:
According to an embodiment of the present utility model, as shown in Figure 4, vertical coaster 12 and fleeting tackle 21 all have vehicle frame plate 6, described vehicle frame plate 6 is connected with two bracing frame bearing seat assemblies 61 be arranged side by side, the two ends of support frame as described above 3 are connected to bracing frame bearing pin 31, and the two ends of support frame as described above bearing pin 31 are connected with support frame as described above bearing seat assembly 61 respectively.
Specifically, this bracing frame bearing seat assembly 61 comprises the bearing seat 611 be connected on vehicle frame plate 6, and this bracing frame bearing pin 31 is located in this bearing seat 611, is provided with angular contact ball bearing 612 between bracing frame bearing pin 31 and bearing seat 611.This bearing seat 611 is processed by solid forging, guarantees that its intensity meets the demands, thus ensures security when hoisting and transfer bracing frame 3.
In the present embodiment, the vehicle frame plate 6 of vertical coaster 12 and fleeting tackle 21, all adopts 16# channel-section steel to be that agent structure is welded, vehicle frame plate 6 is installed bracing frame bearing seat assembly 61 place, overall processing after welding steel, ensures the depth of parallelism between flatness and top and bottom.
This bracing frame bearing seat assembly 61 is used to the device for bracing frame 3 provides support, and bracing frame 3, by being fixed thereon the bracing frame bearing pin 31 of portion and bottom, is supported on vertical coaster 12 and fleeting tackle 21 respectively by means of this bracing frame bearing seat assembly 61.
According to an embodiment of the present utility model, between the vehicle frame plate 6 of described vertical coaster 12 and two described vertical guide rails 11, be folded with four wheel sets 62 respectively.This wheel set 62 can be elastic wheel assembly 621 or fixing vehicle wheel assembly 622.Wherein, fixing vehicle wheel assembly 622 is for being connected to the common wheel on vehicle frame plate 6, and it can make the vehicle frame plate 6 of vertical coaster 12 slide on vertical guide rail 11, and the vehicle frame plate 6 of fleeting tackle 21 is slided on horizontal guide rail 2; Shown in Fig. 5, elastic wheel assembly 621 comprises the bearing 6211 on the vehicle frame plate 6 being connected to vertical coaster 12, the upper end of this bearing 6211 is equipped with coupling shaft 6212, this coupling shaft 6212 is provided with wheel 6213, be provided with bearing between this wheel 6213 and coupling shaft 6212, between the two ends of this coupling shaft 6212 and bearing 6211, be connected with spring 6214.
Wheel 6213 is supported on coupling shaft 6212 by bearing, and coupling shaft 6212 is supported on bearing 6211 by two springs 6214, and can move up and down along bearing 6211.By means of the elasticity of spring 6214 in practical work process, wheel 6213 is pressed on vertical guide rail 11 tightly, ensures the stationarity of vertical coaster 12 in vertical guide rail about 11 operational process.When this elastic wheel assembly 621 can ensure that vertical coaster 12 runs in vertical guide rail 11, the alignment error of vertical guide rail 11 can be compensated, ensure the good contact between each wheel 6213 and vertical guide rail 11.
In the present embodiment, as shown in Figure 5, the both sides, upper end of the vehicle frame plate 6 of this vertical coaster 12 are connected with four elastic wheel assemblies 621, the both sides, lower end of the vehicle frame plate 6 of vertical coaster 12 are connected with four fixing vehicle wheel assemblies 622, certainly, in other examples, four elastic wheel assemblies 621 can be arranged in a crossed manner along vehicle frame plate 6 both sides of vertical coaster 12, also namely two elastic wheel assemblies 621 are connected with in the side, upper end of the vehicle frame plate 6 of vertical coaster 12, the lower end of the vehicle frame plate 6 of vertical coaster 12 corresponding to the side is connected with two fixing vehicle wheel assemblies 622, two fixing vehicle wheel assemblies 622 are connected with at the upper end opposite side of the vehicle frame plate 6 of vertical coaster 12, the lower end of the vehicle frame plate 6 of vertical coaster 12 corresponding to the side is connected with two elastic wheel assemblies 621.
Spring 6214 in elastic wheel assembly 621 calculates as shown in table 2.
Table 2 elastic wheel assembly spring calculates
| Material diameter | d＝12mm |
| Mean diameter of coil | D2＝55mm |
| Spring inside diameter | D1＝55-12＝43mm |
| Spring outer diameter | D＝55+12＝67mm |
| Number of active coils | n＝3 |
| Number of total coils | n1＝4.5 |
| Pitch | p＝18.6mm |
| Spacing | δ＝p-d＝18.6-12＝6.6mm |
| Working ultimate load | 7208N |
| Deflection under ultimate load | 17.69mm |
| Spring rate | 407.67N/mm |
| Height under working ultimate load | 67.8-17.69＝50.11mm |
| Pressure is height also | (4.5-0.5)x12＝48mm |
In a specific embodiment of the present utility model, have chosen diameter
and diameter
two kinds of oil well pumps 4 have carried out conventional test, and test(ing) medium is clear water.In order to make test have comparability, control medium temperature, inlet pressure are substantially identical with parameters such as top hole pressures.When considering that horizontal well is applied, sucker rod easily and oil pipe friction and cause sucker rod to produce transverse load, has carried out inclination angle test.Test figure contrast is as shown in table 3.
Table 3 pump efficiency and inclination angle relation
| Test order | Pump footpath (mm) | Stroke (m) | Jig frequency (min-1) | Inclination angle | Discharge coefficient |
| 1 | 57 | 5 | 4 | 10 | 0.892 |
| 2 | 57 | 5 | 4 | 50 | 0.934 |
| 3 | 57 | 5 | 4 | 90 | 0.946 |
| 4 | 57 | 3 | 6 | 90 | 0.944 |
| 5 | 120 | 5 | 2 | 1 | 0.832 |
| 6 | 120 | 5 | 2 | 50 | 0.882 |
| 7 | 120 | 5 | 2 | 90 | 0.902 |
As can be seen from test figure, same pump-type, during other parameter constants, inclination angle larger (and the angle between ground) pump efficiency is higher.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various change or modification to the utility model embodiment according to content disclosed in application documents and not depart from spirit and scope of the present utility model.
Claims (10)
1. an inclination angle simulation system is used in oil well pump test, and it is characterized in that, described oil well pump test inclination angle simulation system comprises:
Stand, which is provided with two vertical guide rails be parallel to each other, and is folded with vertical coaster slidably between two described vertical guide rails;
Horizontal guide rail, its one end is positioned at the bottom of described stand, and described horizontal guide rail is provided with fleeting tackle slidably;
Bracing frame, it is between described stand and described horizontal guide rail, and one end of support frame as described above is connected on described vertical coaster pivotly, and the other end of support frame as described above is connected on described fleeting tackle pivotly.
2. inclination angle simulation system is used in oil well pump test as claimed in claim 1, and it is characterized in that, the upper end of described stand is provided with electric block, and described vertical coaster is connected with described electric block.
3. inclination angle simulation system is used in oil well pump test as claimed in claim 1, and it is characterized in that, described fleeting tackle is provided with reclining lock mechanism, and described reclining lock mechanism comprises:
Two are located orifice plate, and it is connected to the bottom of described fleeting tackle;
Locate orifice plate under two, it is connected on described horizontal guide rail, and two described lower location orifice plates lay respectively at the outside of two described upper location orifice plates, and described lower location orifice plate offers fixed orifice;
Hydraulic cylinder with double piston rods, it has cylinder barrel, and described cylinder barrel is folded between described two upper location orifice plates, and the two ends of described cylinder barrel are equipped with piston rod respectively, described piston rod is connected on the orifice plate of described upper location movably, and described piston rod is relative with described fixed orifice.
4. inclination angle simulation system is used in oil well pump test as claimed in claim 3, it is characterized in that, the two ends of described cylinder barrel are equipped with orienting sleeve respectively, and described orienting sleeve is set on described piston rod, described orienting sleeve is arranged with pressure cap, and described pressure cap is connected on described cylinder barrel.
5. inclination angle simulation system is used in oil well pump test as claimed in claim 1, it is characterized in that, described horizontal guide rail is provided with slope mechanism, described slope mechanism has two wedge shape gussets be arranged in parallel, described wedge shape gusset is positioned at the bottom of described stand, the top of two described wedge shape gussets is connected with slope guide rail, and described slope guide rail is relative with described horizontal guide rail to be connected.
6. inclination angle simulation system is used in oil well pump test as claimed in claim 1, it is characterized in that, described vertical coaster and described fleeting tackle all have vehicle frame plate, described vehicle frame plate is connected with two bracing frame bearing seat assemblies be arranged side by side, the two ends of support frame as described above are connected to bracing frame bearing pin, and the two ends of support frame as described above bearing pin are connected with support frame as described above bearing seat assembly respectively.
7. inclination angle simulation system is used in oil well pump test as claimed in claim 6, it is characterized in that, support frame as described above bearing seat assembly comprises the bearing seat be connected on described vehicle frame plate, support frame as described above bearing pin is located in described bearing seat, is provided with angular contact ball bearing between support frame as described above bearing pin and described bearing seat.
8. inclination angle simulation system is used in oil well pump test as claimed in claim 6, it is characterized in that, is folded with four wheel sets respectively between the vehicle frame plate of described vertical coaster and two described vertical guide rails.
9. inclination angle simulation system is used in oil well pump test as claimed in claim 8, it is characterized in that, four wheel sets that the both sides, upper end of the vehicle frame plate of described vertical coaster connect are elastic wheel assembly, described elastic wheel assembly comprises the bearing on the vehicle frame plate being connected to described vertical coaster, the upper end of described bearing is equipped with coupling shaft, described coupling shaft is provided with wheel, is provided with bearing between described wheel and described coupling shaft, is connected with spring between the two ends of described coupling shaft and described bearing.
10. inclination angle simulation system is used in oil well pump test as claimed in claim 3, and it is characterized in that, described fleeting tackle is connected with hydraulic mechanism, and described hydraulic mechanism has oil cylinder, and described oil cylinder is connected with oil pump, and described oil pump is connected with described hydraulic cylinder with double piston rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833176.0U CN204373896U (en) | 2014-12-24 | 2014-12-24 | Inclination angle simulation system for oil well pump test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833176.0U CN204373896U (en) | 2014-12-24 | 2014-12-24 | Inclination angle simulation system for oil well pump test |
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| Publication Number | Publication Date |
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| CN204373896U true CN204373896U (en) | 2015-06-03 |
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| CN201420833176.0U Expired - Fee Related CN204373896U (en) | 2014-12-24 | 2014-12-24 | Inclination angle simulation system for oil well pump test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568404A (en) * | 2014-12-24 | 2015-04-29 | 中国石油天然气股份有限公司 | Inclination angle simulation system for oil well pump test |
| CN106908244A (en) * | 2017-03-17 | 2017-06-30 | 华东交通大学 | A kind of force feed high speed roller bearing testing stand |
| US20200217780A1 (en) * | 2018-08-23 | 2020-07-09 | Southwest Petroleum University | Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration |
-
2014
- 2014-12-24 CN CN201420833176.0U patent/CN204373896U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568404A (en) * | 2014-12-24 | 2015-04-29 | 中国石油天然气股份有限公司 | Inclination angle simulation system for oil well pump test |
| CN106908244A (en) * | 2017-03-17 | 2017-06-30 | 华东交通大学 | A kind of force feed high speed roller bearing testing stand |
| CN106908244B (en) * | 2017-03-17 | 2023-07-18 | 华东交通大学 | Pressure lubrication high-speed rolling bearing test bed |
| US20200217780A1 (en) * | 2018-08-23 | 2020-07-09 | Southwest Petroleum University | Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration |
| US10928300B2 (en) * | 2018-08-23 | 2021-02-23 | Southwest Petroleum University | Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration |
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