阅读说明：本技术 一种重锤平衡式石油抽油机 (Heavy hammer balanced type petroleum pumping unit ) 是由 余亚丽 于 2021-09-11 设计创作，主要内容包括：本发明属于石油开采设备技术领域,具体的说是一种重锤平衡式石油抽油机,其包括底座和安装在其顶部的动力部,动力部包括动力机和减速机,减速机的输出轴连接有曲柄,曲柄顶端铰接有游梁,游梁中部铰接有支撑架,支撑架底部安装在底座顶部；本发明通过风推动对应的斜板向上偏转,从而推动连接杆和推动板移动,使插入板插入到插孔内,此时在悬绳器会带动竖移罩竖向移动,竖移罩和内筒的存在能够对杂物起到阻挡作用,两者都为圆柱状,杂物可以被内筒或竖移罩阻挡后从其侧面经过,降低杂物的残留,杂物不会撞击到悬绳器上,保证工作的顺利进行,并且由于竖移罩的竖向移动,从而使阻挡杂物的高度更大,增大了阻挡的范围,提高了阻挡效果。(The invention belongs to the technical field of oil exploitation equipment, and particularly relates to a heavy hammer balanced type oil pumping unit which comprises a base and a power part arranged at the top of the base, wherein the power part comprises a power machine and a speed reducer, an output shaft of the speed reducer is connected with a crank, the top end of the crank is hinged with a walking beam, the middle part of the walking beam is hinged with a support frame, and the bottom of the support frame is arranged at the top of the base; the vertical moving cover and the inner cylinder are cylindrical, so that sundries can pass through the side surface of the vertical moving cover after being blocked by the inner cylinder or the vertical moving cover, the residue of the sundries is reduced, the sundries cannot impact the rope hanger, the smooth operation is ensured, the height of the blocked sundries is larger due to the vertical movement of the vertical moving cover, the blocking range is enlarged, and the blocking effect is improved.)

1. The utility model provides a weight balanced type oil pumping unit, include base (1) and install power portion (2) at its top, power portion (2) include engine and speed reducer, the output shaft of speed reducer has crank (3), crank (3) top articulates there is walking beam (4), walking beam (4) middle part articulates there is support frame (5), install at base (1) top support frame (5) bottom, walking beam (4) one end is connected with horse head (6), install polished rod eye (7) on horse head (6), its characterized in that: the rope hanger (7) is cylindrical, a plurality of jacks (8) which are uniformly distributed in the circumferential direction are formed in the position of the outer cylindrical surface of the rope hanger (7), a vertical moving cover (9) is sleeved on the outer side of the rope hanger (7), an opening is formed in the bottom of the vertical moving cover (9), an inner cylinder (10) is arranged inside the vertical moving cover (9), a plurality of inclined plates (11) which are uniformly distributed in the circumferential direction are hinged to the side surface of the vertical moving cover (9), a limiting plate (12) is arranged at the bottom of a hinged point, the inclination of the limiting plate (12) is the same as that of the inclined plates (11), the limiting plate (12) is fixedly connected with the vertical moving cover (9), the free end of each inclined plate (11) inclines upwards and is higher than the top of the vertical moving cover (9), a connecting rod (13) is hinged to the top end of each free end of each inclined plate, a pushing plate (13) is movably connected with a pushing plate (14), the pushing plate (14) is slidably connected to the top of the vertical moving cover (9) through a door-shaped plate (15), and an insertion plate (16) is inserted into one end, which is close to the rope hanger (7), the insertion plate (16) is connected to the push plate (14) by a connecting spring (17).

2. The weight balanced petroleum pumping unit according to claim 1, wherein: the outer surface of the inner cylinder (10) is provided with an annular groove, a plurality of vertical rods (18) which are uniformly distributed in the circumferential direction are arranged in the annular groove, the bottom end of the vertical moving cover (9) extends inwards into the annular groove, and the vertical rods (18) penetrate through the vertical moving cover (9).

3. The weight balanced petroleum pumping unit according to claim 2, wherein: the outer side of the inner cylinder (10) is close to the position of the bottom to form a fixedly connected support piece (19), one end, away from the inner cylinder (10), of the support piece (19) is bent upwards, the end is connected with an extension plate (20) in a rotating mode, one end of the extension plate (20) is in contact with the bottom of the vertical moving cover (9), a rubber sleeve (21) is fixedly sleeved at the end of the extension plate (20), a sliding groove (22) is formed in the top of the other end of the extension plate (20), one end, away from the inner cylinder (10), of the sliding groove (22) is fixedly connected with a thrust spring (23), and a gravity block (24) is arranged inside the sliding groove (22).

4. The weight balanced petroleum pumping unit according to claim 3, wherein: the top of the gravity block (24) is fixedly connected with a stop lever (25), the outside of the stop lever (25) is sleeved with a clamping plate (26), the bottom end of the clamping plate (26) is hinged to the top end of the stop lever (25), the inner side of the clamping plate (26) is fixedly connected with a clamping strip (27), and the clamping strip (27) is located between the stop lever (25) and the inner barrel (10).

5. The weight balanced petroleum pumping unit according to claim 4, wherein: one end of the rubber sleeve (21) close to the inner cylinder (10) is provided with a plurality of openings (28), and the thickness of the openings (28) gradually increases towards the direction close to the inner cylinder (10).

6. The weight balanced petroleum pumping unit of claim 5, wherein: the inclined plane of swash plate (11) bottom department fixedly connected with a plurality of wind boards (29), the opening back to the cover (9) that erects of the regional of wind board (29) and limiting plate (12) enclose.

7. The weight balanced petroleum pumping unit of claim 6, wherein: balls are embedded in the bottoms of the push plate (14) and the insertion plate (16), and the end of the insertion plate (16) is wedge-shaped.

8. The weight balanced petroleum pumping unit of claim 7, wherein: the surface of the limiting plate (12) is provided with a plurality of leak holes which are positioned at the bottom end of the limiting plate (12).

Technical Field

The invention belongs to the technical field of oil exploitation equipment, and particularly relates to a heavy hammer balanced type oil pumping unit.

Background

The oil pumping machine is a machine for exploiting oil, and is commonly called a head knocking machine. The pumping unit is the most main lifting equipment in the rod pumping system. According to whether there is a walking beam, it can be divided into a walking beam type pumping unit and a non-walking beam type pumping unit; the beam-pumping unit is basically characterized by simple structure, easy manufacture, convenient use, especially, it can be operated in oil field for all weather, and is reliable in use. Therefore, although the pumping unit has the defects of large acceleration of horse head suspension point movement, poor balancing effect, low efficiency, large volume and heavy weight in long stroke and the like, the pumping unit is the most widely applied pumping unit; the working principle of the beam-pumping unit is as follows: the power machine supplies power, the high-speed rotation of the power machine is changed into the low-speed rotation of the crank of the oil pumping machine through the speed reducer, the rotary motion is changed into the up-and-down reciprocating motion of the horse head of the oil pumping machine through the crank-connecting rod-walking beam mechanism, and the deep well pump is driven to work through the rope hanger assembly.

At the beam-pumping unit during operation, debris that gale weather carried and come can drag on subaerial and come, strikes the polished rod eye of up-and-down periodic motion, and the impact effect and the object of polished rod eye are blockked back polished rod eye and the upper and lower friction of object, influence the life of polished rod eye to some debris can drop in the subaerial department oil-well pump, influence the work of oil-well pump, follow-up needs in time clear up.

Therefore, it is necessary to provide a weight balanced oil pumping unit to solve the above problems.

Disclosure of Invention

Aiming at the problems, the invention provides a heavy hammer balanced type petroleum pumping unit to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a heavy hammer balance type petroleum pumping unit comprises a base and a power part arranged on the top of the base, wherein the power part comprises a power machine and a speed reducer, an output shaft of the speed reducer is connected with a crank, the top end of the crank is hinged with a walking beam, the middle part of the walking beam is hinged with a support frame, the bottom of the support frame is arranged on the top of the base, one end of the walking beam is connected with a horse head, a rope hanger is arranged on the horse head, the rope hanger is cylindrical, a plurality of jacks which are uniformly distributed in the circumferential direction are arranged on the outer cylindrical surface of the rope hanger, a vertical moving cover is sleeved on the outer side of the rope hanger, an opening at the bottom of the vertical moving cover is arranged, an inner cylinder is arranged in the vertical moving cover, a plurality of inclined plates which are uniformly distributed in the circumferential direction are hinged on the side of the vertical moving cover, a limiting plate is arranged at the bottom of a hinged point, the limiting plate is the same as the inclined plate, the limiting plate is fixedly connected with the vertical moving cover, the free end of the inclined plate is upwards higher than the top of the vertical moving cover, and a connecting rod is hinged with the free end of the inclined plate, one end of the connecting rod is movably connected with a pushing plate, the pushing plate is connected to the top of the vertical moving cover in a sliding mode through a door-shaped plate, an inserting plate is inserted into one end, close to the rope hanger, of the pushing plate, and the inserting plate is connected with the pushing plate through a connecting spring.

Preferably, the outer surface of the inner cylinder is provided with an annular groove, a plurality of vertical rods which are uniformly distributed in the circumferential direction are arranged in the annular groove, the bottom end of the vertical moving cover extends inwards into the annular groove, and the vertical rods penetrate through the vertical moving cover.

Preferably, the inner tube outside is close to the position department fixedly connected with support piece of bottom, and the one end kickup that the inner tube was kept away from to support piece, and this end rotates and is connected with the extension board, extension board one end with erect and move cover bottom contact, and this end is fixed to be cup jointed the rubber sleeve, and the sliding tray has been seted up at extension board other end top, the one end fixedly connected with thrust spring of inner tube is kept away from to the sliding tray, the inside gravity piece that is provided with of sliding tray.

Preferably, the top of the gravity block is fixedly connected with a stop lever, the outside of the stop lever is sleeved with a clamping plate, the bottom end of the clamping plate is hinged with the top end of the stop lever, the inner side of the clamping plate is fixedly connected with a clamping strip, and the clamping strip is positioned between the stop lever and the inner barrel.

Preferably, one end of the rubber sleeve, which is close to the inner cylinder, is provided with a plurality of openings, and the thickness of each opening gradually increases towards the direction close to the inner cylinder.

Preferably, the inclined plane department fixedly connected with a plurality of pocket aerofoil of swash plate bottom, the opening back to the cover that erects of the region that pocket aerofoil and limiting plate enclose.

Preferably, the bottom of each of the pushing plate and the inserting plate is embedded with a ball, and the end of the inserting plate is wedge-shaped.

Preferably, the surface of the limiting plate is provided with a plurality of leak holes, and the leak holes are located at the bottom end of the limiting plate.

The invention has the technical effects and advantages that:

1. the vertical moving cover and the inner cylinder can block sundries and are cylindrical, the sundries can pass through the side surface of the inner cylinder or the vertical moving cover after being blocked by the inner cylinder or the vertical moving cover, the residue of the sundries is reduced, the sundries cannot impact the rope hanger, the smooth operation is ensured, the height of the blocked sundries is larger due to the vertical movement of the vertical moving cover, the blocking range is enlarged, and the blocking effect is improved;

2. the rainwater storage device can store certain rainwater through the sliding groove, when wind exists, water in the sliding groove flows out in the direction far away from the inner cylinder, and the gravity block pushes the water to flow out with higher strength when moving in the sliding groove, so that the water scattering range is wider, the water can adhere impurities, pits can be formed in the position, and the probability that the impurities collide on the inner cylinder is reduced; meanwhile, the rubber sleeve plays a role in buffering the vertically moving cover which moves downwards, and because the gravity block reaches the thrust spring, namely the gravity center of the resistance arm is changed, the resistance arm is lengthened, and when the vertically moving cover presses the rubber sleeve, the extension plate can be pressed again to be horizontal by consuming larger force, so that the impact force when the vertically moving cover moves downwards is reduced;

3. according to the invention, through the inclination of the extension plate, the gravity block moves to the thrust spring and stops, the clamping plate is separated from the stop lever due to the self inertia force, when the stop lever is in an inclined state, the clamping plate is in a vertical state, sundries carried by wind firstly impact the clamping plate, the stop lever is pushed to drive the gravity block to move after the clamping plate is pushed to be clamped on the stop lever again, and the impact force of the sundries can be obviously reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a top plan view of the vertically displaceable cover of the present invention;

FIG. 4 is a top view of the support member and extension plate of the present invention;

FIG. 5 is a schematic view of the rubber boot of the present invention facing an end of the inner barrel;

FIG. 6 is a side view of the scoop plate of the present invention.

In the figure: the device comprises a base 1, a power part 2, a crank 3, a walking beam 4, a support frame 5, a horse head 6, a rope hanger 7, a jack 8, a vertical moving cover 9, an inner cylinder 10, an inclined plate 11, a limit plate 12, a connecting rod 13, a push plate 14, a door-shaped plate 15, an insertion plate 16, a connecting spring 17, a vertical rod 18, a support piece 19, an extension plate 20, a rubber sleeve 21, a sliding groove 22, a push spring 23, a gravity block 24, a stop lever 25, a clamping plate 26, a clamping strip 27, a notch 28 and a wind-pocket plate 29.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;

in the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a heavy hammer balanced type petroleum pumping unit as shown in figures 1-6, which comprises a base 1 and a power part 2 arranged on the top of the base, wherein the power part 2 comprises a power machine and a speed reducer, an output shaft of the speed reducer is connected with a crank 3, the top end of the crank 3 is hinged with a walking beam 4, the middle part of the walking beam 4 is hinged with a support frame 5, the bottom of the support frame 5 is arranged on the top of the base 1, one end of the walking beam 4 is connected with a horse head 6, the horse head 6 is provided with a rope hanger 7, the rope hanger 7 is arranged in a cylindrical shape, the outer cylindrical surface of the rope hanger 7 is provided with a plurality of jacks 8 which are uniformly distributed in the circumferential direction, the outer side of the rope hanger 7 is sleeved with a vertical moving cover 9, the bottom of the vertical moving cover 9 is provided with an opening, an inner cylinder 10 is arranged inside the vertical moving cover 9, the side surface of the vertical moving cover 9 is hinged with a plurality of inclined plates 11 which are uniformly distributed in the circumferential direction, the bottom of a limit plate 12 is arranged at the hinged point, the limit plate 12 has the same gradient as the inclined plates 11, the limiting plate 12 is fixedly connected with the vertical moving cover 9, the free end of the inclined plate 11 inclines upwards and is higher than the top of the vertical moving cover 9, the top end of the inclined plate is hinged with a connecting rod 13, one end of the connecting rod 13 is movably connected with a push plate 14, the push plate 14 is connected to the top of the vertical moving cover 9 in a sliding mode through a door-shaped plate 15, an inserting plate 16 is inserted into one end, close to the rope hanger 7, of the push plate 14, and the inserting plate 16 is connected with the push plate 14 through a connecting spring 17.

The power part 2 drives the crank 3 to move, the crank 3 drives the walking beam 4 to deflect, the walking beam 4 drives the horse head 6 to move up and down, the horse head 6 drives the rope hanger 7 to move, and the bottom end of the rope hanger 7 is connected with an oil well pump, so that oil pumping work is realized;

the jack 8 is arranged at the outer cylindrical surface of the rope hanger 7, in windy weather, wind blown from all directions can push the corresponding inclined plate 11 to deflect upwards, so as to push the connecting rod 13 and the pushing plate 14 to move, so that the inserting plate 16 at the end part of the pushing plate 14 is tightly abutted to the outer surface of the rope hanger 7, at the moment, the rope hanger 7 is driven by the horse head 6 to continuously move vertically, when the inserting plate 16 reaches the jack 8, the inserting plate 16 is inserted into the jack 8, at the moment, the rope hanger 7 can drive the vertical moving cover 9 to vertically move, the vertical moving cover 9 and the inner cylinder 10 can block sundries, both are cylindrical, the sundries can pass through the inner cylinder 10 or the vertical moving cover 9 from the side surface of the inner cylinder after being blocked, so as to reduce the residue of the sundries, the sundries cannot collide with the rope hanger 7, the smooth operation is ensured, and the vertical movement of the vertical moving cover 9 causes the height of blocking the sundries to be larger, the blocking range is enlarged, and the blocking effect is improved;

after the wind stops, the vertical moving cover 9 moves to the bottom, the inner cylinder 10 supports the vertical moving cover 9, at the moment, the inclined plate 11 returns by self gravity to drive the pushing plate 14 and the inserting plate 16 to be pulled out from the jack 8, namely, after the wind stops, the rope suspending device 7 does not drive the vertical moving cover 9 to ascend.

Referring to the attached drawings 1-6 in the specification, an annular groove is formed in the outer surface of the inner cylinder 10, a plurality of vertical rods 18 which are uniformly distributed in the circumferential direction are arranged in the annular groove, the bottom end of the vertical moving cover 9 extends inwards into the annular groove, and the vertical rods 18 penetrate through the vertical moving cover 9.

Through the setting of vertical pole 18, inner tube 10 and the cover 9 that erects to move can link together, erects to move the cover 9 and rub with vertical pole 18, prevents to rub inner tube 10, makes things convenient for the integral hoisting to shift simultaneously.

Referring to the attached drawings 1, 2, 4 and 5 in the specification, a supporting piece 19 is fixedly connected to a position, close to the bottom, of the outer side of the inner cylinder 10, one end, far away from the inner cylinder 10, of the supporting piece 19 is bent upwards, the end is rotatably connected with an extending plate 20, one end of the extending plate 20 is in contact with the bottom of the vertical moving cover 9, a rubber sleeve 21 is fixedly sleeved on the end, far away from the inner cylinder 10, of the extending plate 20, a sliding groove 22 is formed in the top of the other end of the extending plate 20, a thrust spring 23 is fixedly connected to one end, far away from the inner cylinder 10, of the sliding groove 22, and a gravity block 24 is arranged inside the sliding groove 22.

The sliding groove 22 can store certain rainwater, when wind exists, the extension plate 20 rotates after the vertical moving cover 9 rises, water in the sliding groove 22 flows out in the direction far away from the inner cylinder 10, and the gravity block 24 pushes the water to flow out with higher strength when moving in the sliding groove 22, so that the water spreading range is larger, when sundries are blown by the wind, the water spread to the ground can adhere to the sundries, so that pits can be formed at the positions, and the probability that the sundries collide onto the inner cylinder 10 is reduced; meanwhile, the rubber sleeve 21 plays a role in buffering the vertically moving cover 9 which moves downwards, and because the gravity block 24 reaches the thrust spring 23, namely the gravity center of the resistance arm is changed, the resistance arm is lengthened, and when the vertically moving cover 9 presses the rubber sleeve 21 downwards, the extension plate 20 can be pressed again to be horizontal by consuming larger force, so that the impact force when the vertically moving cover 9 moves downwards is reduced; when the extension plate 20 is fully horizontal, the thrust spring 23 pushes the weight block 24 back into place.

Referring to the attached drawings 2 and 4 in the specification, the top of the gravity block 24 is fixedly connected with a stop rod 25, the outside of the stop rod 25 is sleeved with a clamping plate 26, the bottom end of the clamping plate 26 is hinged to the top end of the stop rod 25, the inside of the clamping plate 26 is fixedly connected with a clamping strip 27, and the clamping strip 27 is located between the stop rod 25 and the inner cylinder 10.

After extension board 20 becomes the slope, gravity piece 24 removes thrust spring 23 department and stops, and cardboard 26 receives self inertial force and separates with pin 25, and when pin 25 was in the tilt state, cardboard 26 was in vertical state, and wind carried debris can be at first strikeed on cardboard 26, promote cardboard 26 and block again on pin 25 after, just promote pin 25 and drive gravity piece 24 and remove, can obviously reduce the impact force of debris.

Referring to the attached fig. 5 in the specification, one end of the rubber sleeve 21 close to the inner cylinder 10 is provided with a plurality of notches 28, and the thickness of the notches 28 gradually increases towards the direction close to the inner cylinder 10.

After the notch 28 is formed on the surface of the rubber sleeve 21, the rubber sleeve 21 can be conveniently deformed, so that the permanent deformation phenomenon caused by weaker deformation capability of the rubber sleeve 21 is prevented, and when the notch 28 is flattened, the gas in the rubber sleeve can be blown to the inner cylinder 10, so that the rubber sleeve is guided upwards through the inner cylinder 10, and the downward impact force of the downward vertical moving cover 9 is further reduced by the upward thrust.

Referring to the attached fig. 2 and fig. 6 of the specification, a plurality of wind-pocket plates 29 are fixedly connected to the inclined plane at the bottom of the inclined plate 11, and the opening of the area enclosed by the wind-pocket plates 29 and the limiting plate 12 faces away from the vertical moving cover 9.

The scoop plate 29 enhances the effect of the wind blowing the swash plate 11, enabling the swash plate 11 to be rapidly deflected upward.

Referring to the description and the attached fig. 3, the pushing plate 14 and the inserting plate 16 are embedded with balls at the bottom, and the end of the inserting plate 16 is wedge-shaped.

The ball bearings can reduce the resistance of the pushing plate 14 and the inserting plate 16 during movement, and the wedge-shaped end of the inserting plate 16 can facilitate the inserting of the inserting plate 16 into the insertion hole 8.

Referring to the attached figure 3 of the specification, a plurality of leak holes are formed in the surface of the limiting plate 12, and the leak holes are located at the bottom end of the limiting plate 12.

The weep hole prevents the residue on the top of the restriction plate 12 and air can pass through the weep hole when the vertical moving cover 9 is lifted, thereby reducing the resistance when the vertical moving cover 9 is lifted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.