CN104632142B - Load safety loading device of oil pumping unit - Google Patents
Load safety loading device of oil pumping unit Download PDFInfo
- Publication number
- CN104632142B CN104632142B CN201410855814.3A CN201410855814A CN104632142B CN 104632142 B CN104632142 B CN 104632142B CN 201410855814 A CN201410855814 A CN 201410855814A CN 104632142 B CN104632142 B CN 104632142B
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- polished rod
- rope
- clamp
- load
- shaped groove
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- 238000005086 pumping Methods 0.000 title claims abstract description 48
- 241001023788 Cyttus traversi Species 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 24
- 239000003129 oil well Substances 0.000 description 9
- 230000006378 damage Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a load safety loading device of an oil pumping unit, which comprises a rope hanger, a loader, a disconnection-preventing clamp and a load clamp. The rope hanger is plate-shaped; the bearing device is arranged on the upper surface of the rope hanger and comprises an upper pressing plate and a lower pressing plate which are connected, and an accommodating space is formed between the upper pressing plate and the lower pressing plate; the anti-breaking-off clamp is blocky and is arranged in the accommodating space, the upper end surface of the anti-breaking-off clamp abuts against the upper pressure plate, and a space is reserved between the lower end surface of the anti-breaking-off clamp and the lower pressure plate; the load clamp is in a block shape and is seated on the upper pressure plate of the loader; the polished rod sequentially penetrates through the polished rod eye, the lower pressing plate, the anti-breaking and anti-falling clamp, the upper pressing plate and the load clamp from bottom to top, the polished rod is fixedly connected with the anti-breaking and anti-falling clamp, the polished rod is fixedly connected with the load clamp, and the polished rod eye can slide along the polished rod; the rope plait is located polished rod eye both ends respectively, and the one end of rope plait is connected with the polished rod eye, and the other end is connected with the horse head of beam-pumping unit. The invention can automatically load the load after the polish rod is broken and takes off, and can prevent the rope braid from bending.
Description
Technical Field
The invention relates to the field of pumping units, in particular to a load safety loading device of a pumping unit, which can automatically load a load after a polished rod is broken, avoid safety accidents such as unloading and pump collision caused by broken and falling of the polished rod and prevent a polished rod eye from bending.
Background
The pumping unit polished rod eye device is the hoisting device who is used for beam-pumping unit well head load, makes the one end of rope pigtail hang on beam-pumping unit horse head, and the other end and the polished rod eye of rope pigtail articulate, and the polished rod eye passes through the square checkpost and is connected with oil well production tree polished rod, polished rod and oil-well pump connection to the realization transmits the stroke of pumping unit for the oil well oil-well pump and realizes oil-well pump work oil recovery.
The existing lifting device for the load of the wellhead of the oil pumping machine has the following problems:
1. because the oil well load is increasingly heavier, the polish rod bears a large load, and the polish rod is easy to break; in addition, the oil pumping unit also has the problem of sand jamming of the oil pumping unit frequently, when the oil pumping unit is jammed, the polished rod cannot be moved, and the horsehead of the oil pumping unit continues to operate, so that the rope braid is bent to be separated from the horsehead rail to break the polished rod; in addition, other adverse factors which can cause the polished rod to break exist in the production.
When the polished rod breaks to take off, the load is out of control in the twinkling of an eye and is unloaded and bump the pump, and powerful inertial force damages the pump valve ball seat, makes polished rod and polished rod eye square strap pound rapidly owing to the dead weight of oil well pole group and very easily leads to the well head to be destroyed to the wellhead assembly, causes the emergence of environmental pollution accidents such as crude oil leakage, and the polished rod breaks to take off to shut down, stretch bending polished rod, causes the bodily injury accident. The existing rope hanger is not provided with a light-proof rod fracture protection device.
2. The rope hanger adopted in the existing mechanical oil extraction system has extremely simple structure and is easy to fall off, and when the rope hanger falls off, the rope braid of the oil pumping unit can be thrown out.
The existence of the unsafe factors not only influences the oil extraction time rate of the oil well to a great extent, but also brings great potential safety hazard to the safe and environment-friendly production of the oil field.
Disclosure of Invention
The invention aims to provide a load safety loading device of an oil pumping unit, which aims to solve the problems of load runaway and rope braid bending caused by polished rod breakage in the prior art.
In order to achieve the above object, the present invention provides a load safety loading device for a pumping unit, which is used for protecting a polished rod and a rope braid, wherein the load safety loading device for a pumping unit comprises: a rope hanger having a plate shape; the carrier is seated on the upper surface of the rope hanger and comprises an upper pressing plate and a lower pressing plate which are connected, and an accommodating space is formed between the upper pressing plate and the lower pressing plate; the anti-breaking and anti-releasing clamp is in a block shape and is arranged in the accommodating space, the upper surface of the anti-breaking and anti-releasing clamp abuts against the upper pressure plate, and a space is formed between the lower surface of the anti-breaking and anti-releasing clamp and the lower pressure plate; the load clamp is in a block shape and is seated on the upper pressure plate of the loader; the polished rod sequentially penetrates through the polished rod eye, the lower pressing plate, the anti-breaking and anti-falling clamp, the upper pressing plate and the load clamp from bottom to top, and is fixedly connected with the anti-breaking and anti-falling clamp; the rope pigtail is located respectively polished rod eye both ends, just the one end of rope pigtail with the polished rod eye is connected, the other end of rope pigtail is connected with the horse head of beam-pumping unit.
The safe loading device for the load of the pumping unit is characterized in that one side of the rope hanger is provided with a first U-shaped groove and an anti-deviation baffle plate, wherein the closed end of the first U-shaped groove is positioned in the center of the rope hanger, and the open end of the first U-shaped groove is positioned on the side surface of the rope hanger; the anti-deviation baffle comprises an insertion section which can be inserted into the first U-shaped groove, a semicircular groove is formed in one end of the insertion section, the semicircular groove is matched with the closed end of the first U-shaped groove to form a circular deviation adjusting hole, and the polished rod penetrates through the deviation adjusting hole.
The loading device for the load safety of the oil pumping unit is characterized in that the first U-shaped groove is an inclined groove, the included angle between the length direction of the first U-shaped groove and the length direction of the rope hanger is 45 degrees, and the insertion section is inclined to match with the first U-shaped groove.
The load safety loading device of the oil pumping unit is characterized in that the inner diameter of the deviation adjusting hole is larger than the diameter of the polished rod, and the gap between the deviation adjusting hole and the polished rod is 1-2 mm.
The safe loading device for the load of the oil pumping unit is characterized in that the side surface of the rope hanger is concave inwards to form a fixing groove, and the fixing groove is positioned in front of the first U-shaped groove and communicated with the opening end of the first U-shaped groove; the anti-deviation baffle further comprises a fixing plate connected to the other end of the inserting section, and the fixing plate is fixed in the fixing groove.
The safe loading device for the load of the pumping unit is characterized in that two ends of the rope hanger are respectively provided with a second U-shaped groove, the rope braid passes through the second U-shaped grooves and is attached to the closed ends of the second U-shaped grooves, and the open ends of the second U-shaped grooves are fixedly provided with anti-falling pins for preventing the rope braid from jumping outwards; the bottom of rope pigtail is connected with bearing portion, the polished rod eye seat in bearing portion is last.
The load safety loading device of the oil pumping unit is characterized in that two upright columns are connected between an upper pressure plate and a lower pressure plate of the loader, the two upright columns are symmetrically arranged on two sides of the anti-breaking and anti-falling clamp, the upright columns are of semi-cylindrical structures, the curved surface sides of the upright columns face the anti-breaking and anti-falling clamp, and the plane sides of the upright columns are opposite to the anti-breaking and anti-falling clamp; the both ends of loader all are equipped with the third U-shaped groove, the open end orientation in third U-shaped groove the terminal surface of loader, the third U-shaped groove runs through the top board the stand and the holding down plate, the rope pigtail passes the third U-shaped groove to paste and lean on in the blind end in third U-shaped groove.
The load safety loading device for the oil pumping unit is characterized in that the centers of the upper pressure plate and the lower pressure plate are respectively provided with a through hole for the polish rod to pass through, and the inner diameter of the through hole is larger than the diameter of the polish rod.
The load safety loading device of the oil pumping unit is characterized in that two ends of the loader are provided with annular handles.
The load safety loading device of the oil pumping unit is characterized in that the anti-break clip and the load clip are respectively provided with a clamping tooth which can clamp and fix the polish rod.
The load safety loading device of the oil pumping unit has the characteristics and advantages that:
1. according to the invention, the load carrier is arranged on the seat above the rope hanger, the suspended anti-breaking clip is arranged in the load carrier, the load clip is arranged on the seat above the load carrier, the load clip bears load under normal state, the polished rod can be broken from the weak part or the stress concentration part at the joint of the load clip and the polished rod when encountering adverse factors, at the moment, the anti-breaking clip falls and is seated on the lower pressing plate of the load carrier, and the anti-breaking clip continues to bear load, so that the problems of pump collision and the like caused by out-of-control load can be effectively avoided.
2. According to the invention, the rope hanger is connected with the rope pigtail, the rope hanger and the polished rod can slide relatively, when the polished rod cannot descend when meeting a clamp, the rope hanger automatically slides downwards along the polished rod, so that the rope pigtail is kept vertical, the rope pigtail is effectively prevented from being thrown out due to bending deformation, and safety accidents are prevented; in addition, the rope hanger is provided with an offset adjusting hole, so that the rope hanger can be always aligned with the polished rod.
3. The load safety loading device of the oil pumping unit has the advantages of simple structure, convenience in installation, high bearing strength, safety and reliability.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic view of an angle of the pumping unit load safety loading apparatus of the present invention;
FIG. 2 is a schematic view of another angle of the load safety loading apparatus of the pumping unit of the present invention;
FIG. 3 is a schematic view of a polished rod eye according to the invention;
FIG. 4 is a schematic view of an anti-deflection baffle according to the present invention;
figure 5 is a schematic view of a carrier according to the present invention.
Main element number description:
1 rope suspension device
11 first U-shaped groove 12 anti-deviation baffle 13 second U-shaped groove
14 fixed slot 15 deviation-adjusting hole 16 anti-drop pin
121 insert section 122 retaining plate 123 semicircular groove
2 Carrier
21 upper press plate, 22 lower press plate, 23 accommodating space
24 third U-shaped groove for recess 25 of upright 241
26 annular handle 27 perforation
3 anti-break clamp 31 fastening screw
4-load clamp 41 fastening screw
5 polished rod
6 rope plait 61 bearing part
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides a load safety loading device of a pumping unit, which is used for connecting a polished rod and a rope braid, can protect the polished rod 5, prevent the polished rod from being broken and prevent the rope braid 6 from being bent, and comprises a rope hanger 1, a bearing device 2, a breaking-prevention clamp 3 and a load clamp 4. The beam hanger 1 is plate-shaped and is used for connecting a horse head (connected with the horse head through a rope braid) of the pumping unit and a polish rod 5; the carrier 2 is seated on the upper surface of the polished rod eye 1 and used for bearing the working load during oil pumping, the carrier 2 comprises an upper pressure plate 21 and a lower pressure plate 22 which are connected, and an accommodating space 23 is formed between the upper pressure plate 21 and the lower pressure plate 22; the anti-breaking and anti-releasing clamp 3 is in a block shape and is arranged in the accommodating space 23, the upper surface of the anti-breaking and anti-releasing clamp 3 abuts against the upper pressure plate 21, a space is formed between the lower surface of the anti-breaking and anti-releasing clamp 3 and the lower pressure plate 22, namely, the anti-breaking and anti-releasing clamp 3 is arranged in the accommodating space 23 in a hanging manner and is equivalent to a spare square clamp; the load clamp 4 is in a block shape, is seated on the upper pressure plate 21 of the loader 2, and is equivalent to a main square clamp.
The polished rod 5 sequentially penetrates through the polished rod eye 1, the lower pressing plate 22, the anti-breaking clamp 3, the upper pressing plate 21 and the load clamp 4 from bottom to top, the polished rod 5 is fixedly connected with the anti-breaking clamp 3, the polished rod 5 is fixedly connected with the load clamp 4, the load clamp 4 plays a role of clamping the polished rod 5 and loads a load on the upper pressing plate 21 in a normal state, after the polished rod 5 breaks from the joint of the polished rod 5 and the load clamp 4, the anti-breaking clamp 3 falls and is seated on the lower pressing plate 22 to take over the role of clamping the polished rod 5 for the load clamp 4 and loads the load on the lower pressing plate 22, and therefore the problems that the pump is bumped during unloading due to out-of-control of the load, the pump valve ball seat is damaged by strong inertia force and the like are solved. Wherein the rope hanger 1 can slide along the polish rod 5, i.e. the rope hanger 1 is movably connected with the polish rod 5 but not fixed together.
In addition, two rope plaits 6 are located 1 both ends of polished rod eye respectively, and the one end of each rope plait 6 is connected with polished rod eye 1, and the other end of each rope plait 6 is connected with the horse head of beam-pumping unit, and rope plait 6 is wire rope. Because the polished rod eye 1 can slide along the polished rod 5, when the polished rod 5 meets the card and can not descend, the polished rod eye 1 automatically slides down along the polished rod to make the rope pigtail 6 not bend and deform and throw off, the rope pigtail 6 is kept vertical all the time and can not be pulled out, the polished rod 5 can be prevented from breaking off and stopping, the polished rod is prevented from bending, and safety accidents are avoided.
As shown in fig. 3 and 4, in a specific embodiment, a side surface (e.g., a front side surface) of the rope hanger 1 is provided with a first U-shaped groove 11 and an anti-deviation baffle 12 capable of being inserted into the first U-shaped groove 11, wherein the first U-shaped groove 11 is formed by recessing the side surface of the rope hanger 1, a closed end (i.e., a groove bottom) of the first U-shaped groove 11 is located at the center of the rope hanger 1, the closed end of the first U-shaped groove 11 is a semicircular arc, and an open end (i.e., a groove opening) of the first U-shaped groove 11 is located at the side surface of the rope hanger 1, so as to facilitate the detachment operation of; the anti-deviation baffle 12 comprises an insertion section 121 capable of being inserted into the first U-shaped groove 11, the shape of the insertion section 121 is matched with that of the first U-shaped groove 11, a semicircular groove 123 is formed in one end of the insertion section 121, namely, the end face of one end of the insertion section 121 is recessed inwards to form the semicircular groove 123, the semicircular groove 123 is matched with the closed end of the first U-shaped groove 11 to form a circular deviation adjusting hole 15, and the polished rod 5 penetrates through the deviation adjusting hole 15.
As shown in fig. 3, in a preferred embodiment, the first U-shaped groove 11 is an inclined groove, the angle between the length direction of the first U-shaped groove 11 and the length direction or the width direction of the rope hanger 1 is 45 degrees, the length direction of the rope hanger 1 is, for example, a horizontal connecting line of two rope braids, the insertion section 121 is inclined to match with the first U-shaped groove 11, when the rope hanger 1 is in operation, the rope hanger 1 is subjected to large front-back stress and is easily inclined backward, if the first U-shaped groove is perpendicular to the length direction of the rope hanger 1, the anti-deviation baffle and the polished rod are easily pulled out, so that the first U-shaped groove 11 is inclined and is matched with the inclined anti-deviation baffle 12, the rope hanger 1 is subjected to more uniform stress forward, backward, leftward and rightward, and the polished rod is prevented from falling off due to the front-back inclination of the rope hanger 1, and safety is ensured.
As shown in fig. 3 and 4, the side surface of the rope hanger 1 is recessed inwards to form a fixing groove 14, and the fixing groove 14 is positioned in front of the first U-shaped groove 11 and is communicated with the open end of the first U-shaped groove 11; the anti-deviation baffle 12 further comprises a fixing plate 122 connected to the other end of the insertion section 121, the fixing plate 122 is fixed in the fixing groove 14, for example, the fixing plate 122 is fixed in the fixing groove by a bolt, so as to fix the insertion section 121 in the first U-shaped groove 11, wherein an included angle between the length direction of the first U-shaped groove 11 and the fixing groove 14 is 45 degrees, and correspondingly, an included angle between the fixing plate 122 and the insertion section 121 is 45 degrees.
Preferably, the inner diameter of the deviation adjusting hole 15 is larger than the diameter of the polished rod, and the gap between the deviation adjusting hole 15 and the polished rod 5 is 1 mm-2 mm. Because the deviation adjusting hole is a closed centering circular through hole, and the inner diameter of the deviation adjusting hole 15 is close to the diameter of the polished rod 5, the deviation adjustment of the polished rod 5 in the longitudinal direction can be realized, namely, the problem that the existing polished rod hanger does not center the polished rod is effectively solved, the deviation adjusting hole enables the polished rod hanger to always center the wellhead, the polished rod hanger 1 cannot deform and twist, and the polished rod 5 can be prevented from falling off.
As shown in fig. 1 and 3, the two ends of the rope hanger 1 are provided with second U-shaped grooves 13, that is, the second U-shaped grooves 13 are formed by recessing the end surfaces of the rope hanger 1, the rope pigtails 6 pass through the second U-shaped grooves 13 and lean against the closed ends (semicircular arcs) of the second U-shaped grooves 13, and the open ends of the second U-shaped grooves 13 are fixed with anti-falling pins 16 for preventing the rope pigtails 6 from jumping outwards, that is, the anti-falling pins 16 are fixed on the two side surfaces of the second U-shaped grooves 13 along the transverse direction, so as to limit the rope pigtails 6 and prevent the rope hanger 1 from falling; the bottom end of the rope braid 6 is connected with a support part 61, the support part 61 is, for example, cylindrical, and abuts against the lower part of the second U-shaped groove, and the rope hanger 1 is seated on the support part 61.
In the embodiment shown in fig. 5, two columns 24 are connected between the upper pressing plate 21 and the lower pressing plate 22 of the carrier 2, the two columns 24 are symmetrically arranged at two sides of the anti-falling off clamp 3, so that the carrier main body frame is in a herringbone structure, the columns 24 are in a semi-cylindrical structure, two sides of the columns are respectively a curved side and a flat side, the curved side of the columns 24 faces the anti-falling off clamp 3, the flat side of the columns 24 faces away from the anti-falling off clamp 3, and the columns are arranged in a semi-cylindrical shape, so that the space of the accommodating space 23 is enlarged, and the anti-falling off clamp 3 can be rotated and moved leftwards and rightwards; the two ends of the carrier 2 are provided with third U-shaped grooves 25, the open ends of the third U-shaped grooves 25 face the end faces of the carrier, the third U-shaped grooves 25 penetrate the upper press plate 21, the upright column 24 and the lower press plate 22, that is, the length of the third U-shaped grooves 25 is equal to the height of the carrier 2, or the height of the intersecting surfaces of the third U-shaped grooves 25 with the upper press plate 21, the upright column 24 and the lower press plate 22 (the extending direction of the rope braids) is equal to the height of the carrier 2, the third U-shaped grooves 25 intersect with the plane sides of the upright column 24 to form semi-cylindrical concave portions 241, and the rope braids 6 penetrate the third U-shaped grooves 25 and abut against the closed ends (semi-circular arcs) of the third U-shaped grooves 25 or the concave. The load carrier 2 is of an integrally formed structure, and is firm and reliable.
As shown in fig. 5, the centers of the upper and lower press plates 21 and 22 are provided with through holes 27 through which the polish rod 5 passes, and the inner diameter of the through holes 27 is larger than the diameter of the polish rod 5, i.e., the polish rod 5 is not fixed in the through holes 27.
As further shown in figure 5, the carrier 2 is provided with loop handles 26 at each end for hand-held operation for ease of installation and removal.
In this embodiment, the anti-drop clip 3 and the load clip 4 are both provided with a tooth capable of biting and fixing the polish rod 5, the tooth of the anti-drop clip 3 bites the polish rod 5 by fastening the fastening screw 31, so as to fix the anti-drop clip 3 and the polish rod together, and the tooth of the load clip 4 bites the polish rod 5 by fastening the fastening screw 41, so as to fix the load clip 4 and the polish rod 5 together, and as for the specific structures of the anti-drop clip 3 and the load clip 4, such as the structural arrangement of the tooth, the connection relationship between the tooth and the polish rod, etc., reference can be made to the structure of the polish rod square clip in the prior art, so it is not described herein again.
The invention solves the problem that when an oil well pump meets a clamp, a rope braid is bent to be separated from a horse head rail to break a polished rod by the rope hanger adopted in the existing mechanical oil extraction system; the problem that when a polished rod is broken and disconnected, the existing polished rod eye can unload and collide with a pump at the moment of load runaway, and a strong inertia force damages a valve seat of the pump is solved; the problem of current polished rod eye misalignment polished rod, make the polished rod eye warp to twist the song, drop easily is solved. When the polished rod is blocked, the rope braid is always vertical and can not be separated, so that the problems that the polished rod is broken and separated to stop, and the polished rod is bent to cause personal injury accidents can be avoided; when the polish rod is disconnected, the load is automatically loaded, and the normal work of the oil pumping unit is not influenced; the anti-deviation hole on the rope hanger can adjust the deviation of the light rod, and the centering effect is achieved.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned whole application, and various technical features described in the present specification can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention.
Claims (10)
1. The utility model provides a beam-pumping unit load safety loading device for protect polished rod and rope pigtail, its characterized in that, beam-pumping unit load safety loading device includes:
a rope hanger having a plate shape;
the carrier is seated on the upper surface of the rope hanger and comprises an upper pressing plate and a lower pressing plate which are connected, and an accommodating space is formed between the upper pressing plate and the lower pressing plate;
the anti-breaking and anti-releasing clamp is in a block shape and is arranged in the accommodating space, the upper surface of the anti-breaking and anti-releasing clamp abuts against the upper pressure plate, and a space is formed between the lower surface of the anti-breaking and anti-releasing clamp and the lower pressure plate;
the load clamp is in a block shape and is seated on the upper pressure plate of the loader; wherein,
the polished rod sequentially penetrates through the polished rod eye, the lower pressing plate, the anti-breaking and anti-falling clamp, the upper pressing plate and the load clamp from bottom to top, the polished rod is fixedly connected with the anti-breaking and anti-falling clamp, the polished rod is fixedly connected with the load clamp, and the polished rod eye can slide along the polished rod;
the rope pigtail is located respectively polished rod eye both ends, just the one end of rope pigtail with the polished rod eye is connected, the other end of rope pigtail is connected with the horse head of beam-pumping unit.
2. The unit load safety loading device of claim 1, wherein one side of the rope hanger is provided with a first U-shaped groove and a deflection-preventing baffle, wherein,
the closed end of the first U-shaped groove is positioned in the center of the rope hanger, and the open end of the first U-shaped groove is positioned on the side surface of the rope hanger;
the anti-deviation baffle comprises an insertion section which can be inserted into the first U-shaped groove, a semicircular groove is formed in one end of the insertion section, the semicircular groove is matched with the closed end of the first U-shaped groove to form a circular deviation adjusting hole, and the polished rod penetrates through the deviation adjusting hole.
3. The load safety loading device of a pumping unit according to claim 2, wherein the first U-shaped groove is an inclined groove, the included angle between the length direction of the first U-shaped groove and the length direction of the rope hanger is 45 degrees, and the insertion section is inclined to match with the first U-shaped groove.
4. The load safety loading device of a pumping unit according to claim 2, wherein the inner diameter of the deviation adjusting hole is larger than the diameter of the polished rod, and the gap between the deviation adjusting hole and the polished rod is 1 mm-2 mm.
5. The load safety loading device of a pumping unit according to claim 2, wherein the side surface of the rope hanger is recessed inward to form a fixing groove, and the fixing groove is positioned in front of the first U-shaped groove and is communicated with the open end of the first U-shaped groove;
the anti-deviation baffle further comprises a fixing plate connected to the other end of the inserting section, and the fixing plate is fixed in the fixing groove.
6. The unit load safety loading device of claim 2, wherein the rope hanger has second U-shaped grooves at both ends, the rope braid passes through the second U-shaped grooves and abuts against the closed ends of the second U-shaped grooves, and a separation preventing pin for preventing the rope braid from moving outwards is fixed at the open ends of the second U-shaped grooves;
the bottom of rope pigtail is connected with bearing portion, the polished rod eye seat in bearing portion is last.
7. The load safety loading device of the oil pumping unit according to claim 1, wherein two upright posts are connected between the upper pressing plate and the lower pressing plate of the loader, the two upright posts are symmetrically arranged on two sides of the anti-breaking and anti-falling clamp, the upright posts are of semi-cylindrical structures, the curved surface sides of the upright posts face the anti-breaking and anti-falling clamp, and the plane sides of the upright posts face away from the anti-breaking and anti-falling clamp;
the both ends of loader all are equipped with the third U-shaped groove, the open end orientation in third U-shaped groove the terminal surface of loader, the third U-shaped groove runs through the top board the stand and the holding down plate, the rope pigtail passes the third U-shaped groove to paste and lean on in the blind end in third U-shaped groove.
8. The load safety loading device of a pumping unit according to claim 1, wherein the centers of the upper pressure plate and the lower pressure plate are provided with through holes for the polish rod to pass through, and the inner diameter of the through holes is larger than the diameter of the polish rod.
9. The load safety loading device of a pumping unit according to claim 1, wherein the two ends of the carrier are provided with annular handles.
10. The load safety loading device of a pumping unit according to claim 1, wherein the anti-break clip and the load clip are provided with clamping teeth capable of clamping and fixing the polish rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855814.3A CN104632142B (en) | 2014-12-31 | 2014-12-31 | Load safety loading device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855814.3A CN104632142B (en) | 2014-12-31 | 2014-12-31 | Load safety loading device of oil pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN104632142A CN104632142A (en) | 2015-05-20 |
| CN104632142B true CN104632142B (en) | 2017-09-01 |
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| CN201410855814.3A Active CN104632142B (en) | 2014-12-31 | 2014-12-31 | Load safety loading device of oil pumping unit |
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|---|---|---|---|---|
| CN109322629B (en) * | 2018-12-09 | 2024-05-28 | 杭州中油智井装备科技有限公司 | Vertical pumping unit rope hanger |
| CN110424904A (en) * | 2019-09-03 | 2019-11-08 | 王瑞东 | Integral type polished rod eye |
| CN113216873A (en) * | 2021-05-31 | 2021-08-06 | 周江波 | Adjustable polished rod anti-breaking device |
| CN117432728B (en) * | 2023-12-21 | 2024-02-20 | 山东博康石油工程技术有限公司 | Anti-falling motor reversing type pumping unit |
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| CN201982081U (en) * | 2011-02-16 | 2011-09-21 | 中国石油化工股份有限公司 | Hydraulic unloading device for oil pumping unit |
| CN203685064U (en) * | 2013-07-12 | 2014-07-02 | 盘锦禹帝科技实业有限公司 | Break-proof anti-dropping device for polished rod of pumping well |
| CN204457659U (en) * | 2014-12-31 | 2015-07-08 | 中国石油天然气股份有限公司 | Load safety loading device of oil pumping unit |
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| US4176714A (en) * | 1978-06-15 | 1979-12-04 | K-Shox, Inc. | Shock absorber for oil well pumping unit |
| CN201184145Y (en) * | 2008-04-23 | 2009-01-21 | 中国石油天然气股份有限公司 | Anti-breaking and anti-dropping automatic adjusting type rope hanger |
| CN201982081U (en) * | 2011-02-16 | 2011-09-21 | 中国石油化工股份有限公司 | Hydraulic unloading device for oil pumping unit |
| CN203685064U (en) * | 2013-07-12 | 2014-07-02 | 盘锦禹帝科技实业有限公司 | Break-proof anti-dropping device for polished rod of pumping well |
| CN204457659U (en) * | 2014-12-31 | 2015-07-08 | 中国石油天然气股份有限公司 | Load safety loading device of oil pumping unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104632142A (en) | 2015-05-20 |
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