CN115234197A - Rope suspension device - Google Patents

Rope suspension device Download PDF

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Publication number
CN115234197A
CN115234197A CN202110444030.1A CN202110444030A CN115234197A CN 115234197 A CN115234197 A CN 115234197A CN 202110444030 A CN202110444030 A CN 202110444030A CN 115234197 A CN115234197 A CN 115234197A
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CN
China
Prior art keywords
fixing
hole
pressing plate
groove
bolt
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Granted
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CN202110444030.1A
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Chinese (zh)
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CN115234197B (en
Inventor
张开平
王锡军
卿恩文
宋健
李生德
刘金滚
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN202110444030.1A priority Critical patent/CN115234197B/en
Publication of CN115234197A publication Critical patent/CN115234197A/en
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Publication of CN115234197B publication Critical patent/CN115234197B/en
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    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The application provides a polished rod eye belongs to beam-pumping unit equipment technical field. The rope hanger includes: the device comprises a first pressing plate, a second pressing plate, a first roller assembly, a second roller assembly, a first elastic assembly, a second elastic assembly and a positioning assembly; the first pressing plate is positioned above the second pressing plate, and the first pressing plate and the second pressing plate are connected through a first elastic assembly and a second elastic assembly; a first U-shaped groove is formed in the center of the first pressing plate, and a second U-shaped groove is formed in the center of the second pressing plate; the front end of the first U-shaped groove is an open end and is blocked by the first roller assembly; the front end of the second U-shaped groove is an open end and is blocked by a second roller assembly; the first roller component is used for limiting the polish rod entering the first U-shaped groove at the center of the first U-shaped groove; and the second roller assembly is used for limiting the polished rod entering the second U-shaped groove at the center of the second U-shaped groove, so that the polished rod and the polished rod hanger are centered without manually holding the polished rod hanger, and the efficiency of centering the polished rod on the polished rod hanger is improved.

Description

Rope suspension device
Technical Field
The application relates to the technical field of pumping unit equipment, in particular to a rope hanger.
Background
In the process of oil exploitation, the polished rod eye is connected with a horse head and a polished rod which are positioned on the ground, and the polished rod is connected with a sucker rod which is positioned in an underground shaft; the polished rod eye can transmit the power of horse head to the polished rod, and then drives the sucker rod through the polished rod and up-and-down reciprocating motion in the pit shaft to realize oil exploitation. If the rope hanger and the polish rod are not aligned, the motion friction of the sucker rod in the shaft is increased under the condition that the polish rod does not reciprocate in the vertical direction, and the normal production of an oil well is influenced. Therefore, centering the polished rod eye with the polished rod is important for normal oil production.
In the related art, an oil extraction worker needs to hand the polished rod eye at a wellhead to center the polished rod eye, but the personal safety of the oil extraction worker is damaged, and the danger of centering the polished rod eye on the polished rod is increased.
Disclosure of Invention
The embodiment of the application provides a polished rod eye, can reduce the danger of polished rod eye centering polished rod. The technical scheme is as follows:
in one aspect, a rope hanger is provided, the rope hanger comprising: the device comprises a first pressing plate, a second pressing plate, a first roller assembly, a second roller assembly, a first elastic assembly, a second elastic assembly and a positioning assembly;
the first pressing plate is positioned above the second pressing plate, and the first pressing plate and the second pressing plate are connected through the first elastic assembly and the second elastic assembly;
the positioning assembly is positioned between the first pressing plate and the second pressing plate and used for limiting the distance between the first pressing plate and the second pressing plate;
a first U-shaped groove is formed in the center of the first pressing plate, and a second U-shaped groove is formed in the center of the second pressing plate;
the front end of the first U-shaped groove is an open end and is blocked by the first roller assembly;
the front end of the second U-shaped groove is an open end and is blocked by the second roller assembly;
the first roller assembly is used for limiting the polish rod entering the first U-shaped groove at the center of the first U-shaped groove;
and the second roller assembly is used for limiting the polish rod entering the second U-shaped groove at the center of the second U-shaped groove.
In one possible implementation mode, any one of the roller assemblies comprises a pulley, a support frame, a baffle plate and a guide bolt;
the guide bolt penetrates through the baffle plate to be connected with the rear end of the support frame, and the front end of the support frame is connected with the pulley;
the opening end of the U-shaped groove blocked by the roller assembly is provided with a baffle groove matched with the baffle, and the roller assembly is connected with the U-shaped groove through the baffle and the baffle groove;
the guide bolt is screwed into the baffle plate to push the support frame to drive the pulley to move forwards in the U-shaped groove, so that the front end of the pulley is abutted against the polished rod to limit the polished rod at the center of the U-shaped groove.
In a possible implementation manner, each roller assembly further comprises a first fixing screw and a second fixing screw, a first through hole and a second through hole which are matched with the first fixing screw and the second fixing screw are respectively formed in two sides of the baffle, and a first threaded hole and a second threaded hole which are matched with the first fixing screw and the second fixing screw are respectively formed in two sides of the baffle groove;
the first fixing screw penetrates through the first through hole and the first threaded hole in sequence to connect the baffle and one side of the baffle groove;
the second fixing screw penetrates through the second through hole and the second threaded hole in sequence to connect the baffle and the other side of the baffle groove.
In a possible implementation manner, any one of the roller assemblies further comprises a third fixing screw, a center hole matched with the third fixing screw is formed in the center of the support frame, and a third threaded hole matched with the third fixing screw is formed in the front end of the guide bolt;
and the third fixing screw penetrates through the central hole and penetrates into a third threaded hole of the guide bolt so as to connect the support frame with the guide bolt.
In a possible implementation manner, any one of the roller assemblies further comprises a fixing rod, a first U-shaped clamp and a second U-shaped clamp;
the supporting frame is a U-shaped supporting frame, and a first through hole and a second through hole which are matched with the fixing rod are respectively formed in two sides of the front end of the U-shaped supporting frame;
a third through hole matched with the fixed rod is formed in the center of the pulley;
the fixing rod sequentially penetrates through the first through hole, the third through hole and the second through hole, and the pulley is fixed at the front end of the U-shaped supporting frame;
the first U-shaped clamp and the second U-shaped clamp are connected to two ends of the fixing rod respectively and used for plugging the fixing rod.
In a possible implementation manner, the first elastic assembly and the second elastic assembly are located between the first pressing plate and the second pressing plate and located on two sides of the first U-shaped groove and the second U-shaped groove respectively;
the first elastic assembly comprises a first spring, a first upper supporting seat, a first lower supporting seat and a first guide head bolt, and the second elastic assembly comprises a second spring, a second upper supporting seat, a second lower supporting seat and a second guide head bolt;
a fourth threaded hole and a fifth threaded hole which are matched with the first guide head bolt and the second guide head bolt are respectively formed in two sides of the first U-shaped groove;
a first supporting groove and a second supporting groove which are matched with the first lower supporting seat and the second lower supporting seat are respectively arranged on two sides of the second U-shaped groove, and the first lower supporting seat and the second lower supporting seat are respectively located in the first supporting groove and the second supporting groove;
the upper end of the first guide head bolt penetrates through the first upper supporting seat and penetrates into the fourth threaded hole;
the upper end of the second guide head bolt penetrates through the second upper supporting seat and penetrates into the fifth threaded hole;
the lower end of the first guide head bolt and the lower end of the second guide head bolt respectively penetrate into the first spring and the second spring;
the upper end and the lower end of the first spring are respectively abutted against the first upper supporting seat and the first lower supporting seat, and the upper end and the lower end of the second spring are respectively abutted against the second upper supporting seat and the second lower supporting seat so as to be connected with the first pressing plate and the second pressing plate.
In a possible implementation manner, the left end and the right end of the first pressing plate are respectively provided with a first fixing hole and a second fixing hole, and the left end and the right end of the second pressing plate are respectively provided with a third fixing hole and a fourth fixing hole;
the first fixing hole and the third fixing hole are used for enabling a first steel wire rope with a first plug arranged at the bottom to penetrate through and then to be fixed at the left ends of the first pressing plate and the second pressing plate;
the second fixing hole and the fourth fixing hole are used for enabling a second steel wire rope with a second plug arranged at the bottom to penetrate through and are fixed at the right ends of the first pressing plate and the second pressing plate;
the first steel wire rope and the second steel wire rope are used for connecting the first pressing plate and the second pressing plate with a horse head of the oil pumping unit.
In one possible implementation, the rope hanger further comprises a first fixing bolt, a second fixing bolt, a third fixing bolt and a fourth fixing bolt;
the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole are all U-shaped fixing holes, and open ends of the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole face the outer side of the rope hanger;
the open ends of the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole are respectively provided with a first threaded hole group, a second threaded hole group, a third threaded hole group and a fourth threaded hole group which are matched with the first fixing bolt, the second fixing bolt, the third fixing bolt and the fourth fixing bolt;
the first fixing bolt penetrates through the first threaded hole group, the third fixing bolt penetrates through the third threaded hole group, and the first steel wire rope is limited in the first fixing hole and the third fixing hole respectively;
the second fixing bolt penetrates through the second threaded hole group, and the fourth fixing bolt penetrates through the fourth threaded hole group to limit the second steel wire rope in the second fixing hole and the fourth fixing hole respectively.
In a possible implementation manner, the positioning assembly comprises a first U-shaped support and a second U-shaped support, a first stepped groove and a second stepped groove which are matched with the first U-shaped support are respectively arranged on the bottom surface of the left side of the first pressing plate and the top surface of the left side of the second pressing plate, and a third stepped groove and a fourth stepped groove which are matched with the second U-shaped support are respectively arranged on the bottom surface of the right side of the first pressing plate and the top surface of the right side of the second pressing plate;
the upper end and the lower extreme of first U type support respectively with first step groove with second step groove offsets, the upper end and the lower extreme of second U type support respectively with third step groove with fourth step groove offsets, in order to restrict first clamp plate with distance between the second clamp plate.
In one possible implementation, the rope hanger further comprises a fifth fixing bolt and a sixth fixing bolt;
the open ends of the first U-shaped support and the second U-shaped support face the center of the rope hanger;
the opening ends of the first U-shaped support and the second U-shaped support are respectively provided with a fifth threaded hole group and a sixth threaded hole group which are matched with the fifth fixing bolt and the sixth fixing bolt;
the fifth fixing bolt penetrates through the fifth threaded hole group and limits a first steel wire rope penetrating through the first U-shaped support in the first U-shaped support;
and the sixth fixing bolt penetrates through the sixth threaded hole group to limit a second steel wire rope penetrating through the second U-shaped support in the second U-shaped support.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
the embodiment of the application provides a polished rod eye, because first roller components can restrict the polished rod that gets into first U type groove at the center in first U type groove, second roller components can restrict the polished rod that gets into second U type groove at the center in second U type groove, and because first U type groove and second U type groove are located the center of the first clamp plate and the second clamp plate of this polished rod eye respectively, like this, just realized restricting the polished rod at the center of this polished rod eye, and then realized the centering of polished rod and polished rod eye, need not artifical hand polished rod eye, thereby the efficiency of polished rod centering polished rod eye has been improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a rope suspension device provided in an embodiment of the present application;
fig. 2 is a structural diagram of a rope hanger according to an embodiment of the present application.
The reference numerals in the figures denote:
10-a first platen;
101-a first U-shaped groove;
102-a first fixation hole;
103-a second fixing hole;
20-a second platen;
201-a second U-shaped groove;
202-third fixing hole;
203-fourth fixing hole;
30-a first roller assembly;
301-a pulley;
302-a scaffold;
303-a baffle plate;
304-a guide bolt;
3041-adjusting the nut;
305-a first set screw;
3051-a first gasket;
306-a second set screw;
307-a third set screw;
3071-a second gasket;
308-a fixing bar;
309-a first U-shaped clip;
3010-a second U-shaped clip;
40-a second roller assembly;
50-a first elastic component;
501-a first spring;
502-a first upper support;
503-a first lower support seat;
504-first pilot bolt;
60-a second elastic component;
601-a second spring;
602-a second upper support;
603-a second lower support seat;
604-a second pilot head bolt;
70-a positioning assembly;
701-a first U-shaped support;
702-a second U-shaped support;
80-a first fixing bolt;
90-a second fixing bolt;
100-a third fixing bolt;
1001-third shim;
1002-a second fixing nut;
110-a fourth fixing bolt;
120-a fifth fixing bolt;
130-sixth fixing bolt;
1301-a fourth gasket;
1302-second retaining nut.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, the following detailed description of the embodiments of the present application will be made with reference to the accompanying drawings.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different elements and not for describing a particular sequential order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
An embodiment of the present application provides a rope hanger, and referring to fig. 1, the rope hanger includes: a first press plate 10, a second press plate 20, a first roller assembly 30, a second roller assembly 40, a first resilient assembly 50, a second resilient assembly 60, and a positioning assembly 70.
The first pressing plate 10 is located above the second pressing plate 20, and the first pressing plate 10 and the second pressing plate 20 are connected by a first elastic member 50 and a second elastic member 60.
The positioning assembly 70 is located between the first platen 10 and the second platen 20 for limiting the distance between the first platen 10 and the second platen 20.
The first pressing plate 10 is provided with a first U-shaped groove 101 at the center, and the second pressing plate 20 is provided with a second U-shaped groove 201 at the center.
The front end of the first U-shaped groove 101 is an open end and is blocked by the first roller assembly 30.
The front end of the second U-shaped groove 201 is an open end and is blocked by the second roller assembly 40.
And a first roller assembly 30 for limiting the polish rod entering the first U-shaped groove 101 to the center of the first U-shaped groove 101.
And a second roller assembly 40 for limiting the polish rod entering the second U-shaped groove 201 to the center of the second U-shaped groove 201.
The embodiment of the application provides a polished rod eye, because first roller assembly 30 can restrict the polished rod that gets into first U type groove 101 at the center of first U type groove 101, second roller assembly 40 can restrict the polished rod that gets into second U type groove 201 at the center of second U type groove 201, and because first U type groove 101 and second U type groove 201 are located the center of first clamp plate 10 and second clamp plate 20 of this polished rod eye respectively, like this, just realized restricting the polished rod at the center of this polished rod eye, and then realized the centering of polished rod and polished rod eye, need not artifical hand polished rod eye, thereby the efficiency of polished rod centering polished rod eye has been improved.
Referring to fig. 2, the first pressing plate 10 and the second pressing plate 20 are parallel and symmetrical to each other, the first pressing plate 10 and the second pressing plate 20 are both plate-shaped structures with a certain thickness, a first U-shaped groove 101 and a second U-shaped groove 201 are respectively arranged in the centers of the first pressing plate 10 and the second pressing plate 20, and the first U-shaped groove 101 and the second U-shaped groove 201 are also parallel and symmetrical to each other.
The sizes of the first pressing plate 10 and the second pressing plate 20 may be set and changed as needed, and this is not particularly limited in the embodiment of the present application.
With continued reference to fig. 2, the first roller assembly 30 closes the open end of the first U-shaped groove 101 and the second roller assembly 40 closes the open end of the second U-shaped groove 201. And a first roller assembly 30 for limiting the polish rod entering the first U-shaped groove 101 to the center of the first U-shaped groove 101. And the second roller assembly 40 is used for limiting the polish rod entering the second U-shaped groove 201 to the center of the second U-shaped groove 201.
Wherein, any roller component comprises a pulley 301, a support frame 302, a baffle 303 and a guide bolt 304; the guide bolt 304 penetrates through the baffle plate 303 to be connected with the rear end of the support frame 302, and the front end of the support frame 302 is connected with the pulley 301; the opening end of the U-shaped groove blocked by the roller assembly is provided with a baffle 303 groove matched with the baffle 303, and the roller assembly is connected with the U-shaped groove through the baffle 303 and the baffle 303 groove; the guide bolt 304 drives the pulley 301 to advance towards the U-shaped groove by screwing in the baffle plate 303, so that the front end of the pulley 301 is abutted against the polished rod, and the polished rod is limited at the center of the U-shaped groove.
With continued reference to fig. 2, the pulley 301 is a U-shaped pulley 301, which is a circular wheel that can rotate about a central axis; the front end of the pulley 301 is abutted against the polished rod, when the polished rod moves up and down, the pulley 301 can rotate along with the polished rod to keep the polished rod at the center of the U-shaped groove all the time, and the polished rod is centered with the rope hanger, so that the polished rod is automatically prevented from deviating. The polish rod is sleeved with a square clamp which is used for lifting the load of the polish rod; the polished rod is always aligned with the rope hanger, and the polished rod can also be aligned with the square clamp all the time.
Wherein, pulley 301's material is 304 stainless steel, wear-resisting corrosion-resistant, and bearing capacity is strong.
In the embodiment of the present application, the polished rod is limited in the center of the first U-shaped groove 101 and the center of the second U-shaped groove 201 by the first roller assembly 30 and the second roller assembly 40, so that the polished rod is limited in the center of the polished rod eye, and the polished rod eye are centered.
With continued reference to fig. 2, each of the roller assemblies further includes a first fixing screw 305 and a second fixing screw 306, two sides of the baffle 303 are respectively provided with a first through hole and a second through hole matched with the first fixing screw 305 and the second fixing screw 306, and two sides of the groove of the baffle 303 are respectively provided with a first threaded hole and a second threaded hole matched with the first fixing screw 305 and the second fixing screw 306; a first fixing screw 305 sequentially passes through the first through hole and the first threaded hole to connect the baffle 303 and one side of the baffle 303 groove; the second fixing screw 306 sequentially passes through the second through hole and the second screw hole to connect the baffle plate 303 and the other side of the baffle plate 303 groove.
Wherein, the cover is equipped with first gasket 3051 on arbitrary set screw, and both ends offset with baffle 303 and set screw's head respectively around first gasket 3051 for increase set screw and baffle 303's area of contact prevents that baffle 303 from being worn out.
Continuing to refer to fig. 2, wherein the baffle 303 is in a pi-shaped structure, one end of the baffle 303, which is connected with the baffle 303 groove, is a front end, two sides of the front end of the baffle 303 are respectively provided with a first boss and a second boss, and the first through hole and the second through hole transversely penetrate through the first boss and the second boss; the baffle 303 groove is two grooves respectively matched with the first boss and the second boss, and the first threaded hole and the second threaded hole are respectively arranged at the centers of the bottoms of the two grooves.
Wherein, the center of baffle 303 is equipped with the seventh screw hole, and guide bolt 304 passes seventh screw hole and is connected with the rear end of support frame 302. An adjusting nut 3041 is sleeved on the guide bolt 304, and the adjusting nut 3041 is used for limiting the length of the guide bolt 304 extending into the baffle 303, so as to limit the distance of the support frame 302 driving the pulley 301 to advance towards the U-shaped groove. Thus, the polish rods with different diameters can be fixedly centered through the pulley 301; for example, the diameter of the righting lightbar may be 15mm, 19mm, 21mm, or 25mm.
With continued reference to fig. 2, any one of the roller assemblies further includes a third fixing screw 307, a center hole matched with the third fixing screw 307 is provided at the center of the supporting frame 302, and a third threaded hole matched with the third fixing screw 307 is provided at the front end of the guide bolt 304; a third set screw 307 is inserted through the central hole and into the third threaded hole of the guide bolt 304 to connect the support bracket 302 and the guide bolt 304.
The third fixing screw 307 is sleeved with a second gasket 3071, and the front end and the rear end of the second gasket 3071 are respectively abutted against the head of the third fixing screw 307 and the front end of the support frame 302, so that the contact area between the third fixing screw 307 and the support frame 302 is increased, and the support frame 302 is prevented from being worn.
With continued reference to fig. 2, any of the roller assemblies further includes a fixing rod 308, a first U-shaped clip 309 and a second U-shaped clip 3010; the supporting frame 302 is a U-shaped supporting frame 302, and a first through hole and a second through hole which are matched with the fixing rod 308 are respectively arranged on two sides of the front end of the U-shaped supporting frame 302; a third through hole matched with the fixing rod 308 is formed in the center of the pulley 301; the fixing rod 308 sequentially penetrates through the first through hole, the third through hole and the second through hole, and the pulley 301 is fixed at the front end of the U-shaped supporting frame 302; the first U-shaped clip 309 and the second U-shaped clip 3010 are respectively connected to two ends of the fixing rod 308 for plugging the fixing rod 308.
After the fixing rod 308 is blocked by the first U-shaped clip 309 and the second U-shaped clip 3010, the fixing rod 308 is fixed on the supporting frame 302, the diameter of the fixing rod 308 is smaller than that of the third through hole of the pulley 301, and the pulley 301 can rotate around the fixing rod 308.
With continued reference to fig. 2, the first elastic component 50 and the second elastic component 60 are located between the first pressing plate 10 and the second pressing plate 20 and located at two sides of the first U-shaped groove 101 and the second U-shaped groove 201, respectively, and the first elastic component 50 and the second elastic component 60 are used for connecting the first pressing plate 10 and the second pressing plate 20.
The first elastic assembly 50 includes a first spring 501, a first upper support 502, a first lower support 503 and a first guide head bolt 504, and the second elastic assembly 60 includes a second spring 601, a second upper support 602, a second lower support 603 and a second guide head bolt 604.
With continued reference to fig. 2, a fourth threaded hole and a fifth threaded hole, which are matched with the first guide head bolt 504 and the second guide head bolt 604, are respectively formed in both sides of the first U-shaped groove 101; the two sides of the second U-shaped groove 201 are respectively provided with a first supporting groove and a second supporting groove which are matched with the first lower supporting seat 503 and the second lower supporting seat 603, and the first lower supporting seat 503 and the second lower supporting seat 603 are respectively located in the first supporting groove and the second supporting groove.
The fourth threaded hole and the fifth threaded hole are respectively located on the bottom surface of the first pressing plate 10, namely two sides of the bottom of the first U-shaped groove 101; the first supporting groove and the second supporting groove are respectively located on the top surface of the second pressing plate 20, i.e. on both sides of the top of the second U-shaped groove 201.
Wherein, the upper end of the first guiding head bolt 504 passes through the first upper supporting seat 502 and passes through the fourth threaded hole; the upper end of a second guiding head bolt 604 passes through the second upper supporting seat 602 and penetrates into a fifth threaded hole; the lower end of the first guide head bolt 504 and the lower end of the second guide head bolt 604 are inserted into the first spring 501 and the second spring 601, respectively. The upper end and the lower end of the first spring 501 respectively abut against the first upper supporting seat 502 and the first lower supporting seat 503, and the upper end and the lower end of the second spring 601 respectively abut against the second upper supporting seat 602 and the second lower supporting seat 603, so as to connect the first pressing plate 10 and the second pressing plate 20.
In the embodiment of the present application, by providing the first guide head bolt 504 and the second guide head bolt 604, the first spring 501 and the second spring 601 can be stabilized, and the first spring 501 and the second spring 601 can be prevented from deviating.
With reference to fig. 2, a fourth through hole is formed in the center of any upper support seat, and a guide head bolt corresponding to the upper support seat penetrates through the fourth through hole and penetrates into the corresponding bolt hole.
Continuing to refer to fig. 2, the upper part of any one of the lower supporting seats is provided with a boss, and the outer diameter of the boss is smaller than the inner diameter of the corresponding spring, so that the boss is used for limiting the spring and preventing the spring from deviating; the lower part of any one of the supporting seats is an external thread, an internal thread matched with the external thread is arranged in the supporting groove on which the lower supporting seat is located, and the lower supporting seat is connected with the supporting groove through the external thread and the internal thread.
The first spring 501 and the second spring 601 are both CH-276 special springs, and have good compressibility and restorability, strong pressure resistance and long service life.
In the embodiment of the present application, by providing the first elastic assembly 50 and the second elastic assembly 60 to connect the first pressing plate 10 and the second pressing plate 20, when the first pressing plate 10 and the second pressing plate 20 need to be moved away, the first elastic assembly 50 and the second elastic assembly 60 can realize the slow moving away of the first pressing plate 10 and the second pressing plate 20; when the first pressing plate 10 and the second pressing plate 20 need to approach, the first elastic assembly 50 and the second elastic assembly 60 can realize the slow approach of the first pressing plate 10 and the second pressing plate 20, and the polished rod is always kept in the centers of the first U-shaped groove 101 and the second U-shaped groove 201 through the slow movement of the first pressing plate 10 and the second pressing plate 20.
The gap between the first pressing plate 10 and the second pressing plate 20 is also used for installing a dynamometer (sensor) which is used for acquiring load change of a polished rod. When the indicator (sensor) is installed, the pumping unit unloads a load, the first pressing plate 10 is lifted upwards and is far away from the second pressing plate 20, at the moment, the first pressing plate 10 can be automatically and slowly lifted through the first elastic assembly 50 and the second elastic assembly 60, and the polished rod is always kept in the centers of the first U-shaped groove 101 and the second U-shaped groove 201; further, the situation that the indicator (sensor) can only be installed by manually lifting the first pressing plate 10 is avoided, the labor intensity of workers is effectively reduced, and the labor efficiency is improved.
When the pumping unit applies a load to the polish rod, the first pressing plate 10 is close to the second pressing plate 20, and the first elastic assembly 50 and the second elastic assembly 60 are slowly compressed, so that the first pressing plate 10 and the second pressing plate 20 are slowly close to each other, the oscillation is reduced, and the polish rod is always kept in the centers of the first U-shaped groove 101 and the second U-shaped groove 201.
With continued reference to fig. 2, the left and right ends of the first pressing plate 10 are respectively provided with a first fixing hole 102 and a second fixing hole 103, and the left and right ends of the second pressing plate 20 are respectively provided with a third fixing hole 202 and a fourth fixing hole 203.
The first fixing hole 102 and the third fixing hole 202 are used for fixing a first steel wire rope with a first plug at the bottom at the left ends of the first pressing plate 10 and the second pressing plate 20 after the first steel wire rope passes through; and the second fixing hole 103 and the fourth fixing hole 203 are used for allowing a second steel wire rope with a second plug at the bottom to pass through and fixed at the right ends of the first pressing plate 10 and the second pressing plate 20.
The first steel wire rope and the second steel wire rope are used for connecting the first pressing plate 10 and the second pressing plate 20 with a horse head of the pumping unit.
The first fixing hole 102, the second fixing hole 103, the third fixing hole 202 and the fourth fixing hole 203 are all U-shaped fixing holes, and open ends of the first fixing hole 102, the second fixing hole 103, the third fixing hole 202 and the fourth fixing hole 203 face the outer side of the rope hanger.
Wherein the first fixing hole 102 and the third fixing hole 202 face the left side of the rope hanger, and the second fixing hole 103 and the fourth fixing hole 203 face the right side of the rope hanger.
With continued reference to fig. 2, the rope hanger further includes a first fixing bolt 80, a second fixing bolt 90, a third fixing bolt 100, and a fourth fixing bolt 110.
The open ends of the first fixing hole 102, the second fixing hole 103, the third fixing hole 202, and the fourth fixing hole 203 are respectively provided with a first threaded hole group, a second threaded hole group, a third threaded hole group, and a fourth threaded hole group that are matched with the first fixing bolt 80, the second fixing bolt 90, the third fixing bolt 100, and the fourth fixing bolt 110.
The first fixing bolt 80 passes through the first threaded hole group, the third fixing bolt 100 passes through the third threaded hole group, and the first steel wire rope is limited in the first fixing hole 102 and the third fixing hole 202 respectively; the second fixing bolt 90 passes through the second threaded hole group and the fourth fixing bolt 110 passes through the fourth threaded hole group, and the second wire rope is confined in the second fixing hole 103 and the fourth fixing hole 203, respectively.
Wherein the first threaded hole group, the second threaded hole group, the third threaded hole group and the fourth threaded hole group are respectively located at the left center of the first fixing hole 102, the right center of the second fixing hole 103, the left center of the third fixing hole 202 and the right center of the fourth fixing hole 203.
Wherein, still the cover is equipped with third gasket 1001 on arbitrary fixing bolt, and the front and back both ends of third gasket 1001 respectively with fixing bolt's head and the clamp plate of fixing bolt connection offset for increase fixing bolt and the area of contact of baffle 303 prevents that baffle 303 from being worn out.
A first fixing nut 1002 is further sleeved on any fixing bolt, the first fixing nut 1002 is located at the rear end of the pressing plate connected with the fixing bolt, and the fixing bolt is fixed on the pressing plate through the first fixing nut 1002 after penetrating through the corresponding threaded hole group from the front end of the pressing plate.
In the embodiment of the present application, the first fixing hole 102, the second fixing hole 103, the third fixing hole 202, and the fourth fixing hole 203 are provided to fix the first wire rope and the second wire rope, so that the connection between the first pressing plate 10 and the second pressing plate 20 and the horse head is realized.
With continued reference to FIG. 2, a positioning assembly 70 is positioned between the first platen 10 and the second platen 20 for limiting the distance between the first platen 10 and the second platen 20.
The positioning assembly 70 comprises a first U-shaped support 701 and a second U-shaped support 702, a first stepped groove and a second stepped groove which are matched with the first U-shaped support 701 are respectively arranged on the bottom surface of the left side of the first pressing plate 10 and the top surface of the left side of the second pressing plate 20, and a third stepped groove and a fourth stepped groove which are matched with the second U-shaped support 702 are respectively arranged on the bottom surface of the right side of the first pressing plate 10 and the top surface of the right side of the second pressing plate 20.
The upper end and the lower end of the first U-shaped support 701 respectively abut against the first stepped groove and the second stepped groove, and the upper end and the lower end of the second U-shaped support 702 respectively abut against the third stepped groove and the fourth stepped groove, so as to limit the distance between the first pressing plate 10 and the second pressing plate 20.
With continued reference to fig. 2, the rope hanger further comprises a fifth fixing bolt 120 and a sixth fixing bolt 130. The open ends of the first U-shaped seat 701 and the second U-shaped seat 702 are both directed towards the centre of the rope hanger. The open ends of the first U-shaped support 701 and the second U-shaped support 702 are respectively provided with a fifth threaded hole group and a sixth threaded hole group which are matched with the fifth fixing bolt 120 and the sixth fixing bolt 130; the fifth fixing bolt 120 passes through the fifth threaded hole group to limit the first steel wire rope passing through the first U-shaped support 701 in the first U-shaped support 701; the sixth fixing bolt 130 passes through the sixth threaded hole group to restrain the second wire rope passing through the second U bracket 702 within the second U bracket 702.
Wherein, the first U-shaped seat 701 and the second U-shaped seat 702 are respectively located at the outer side of the first elastic component 50 and the second elastic component 60, and the first U-shaped seat 701 and the second U-shaped seat 702 respectively face the first elastic component 50 and the second elastic component 60.
Wherein, the fifth threaded hole group and the sixth threaded hole group are respectively positioned at the center of the right side of the first U-shaped support 701 and the center of the left side of the second U-shaped support 702.
Continuing to refer to fig. 2, a fourth gasket 1301 is further sleeved on any fixing bolt, and the front end and the rear end of the fourth gasket 1301 are respectively abutted to the U-shaped support connected with the fixing screw and the head of the fixing screw, so that the contact area between the fixing bolt and the U-shaped support is increased, and the U-shaped support is prevented from being worn out.
A second fixing nut 1302 is further sleeved on any fixing bolt, the second fixing nut 1302 is located at the rear end of the U-shaped support connected with the fixing bolt, and the fixing bolt is fixed on the U-shaped support through the second fixing nut 1302 after penetrating through the corresponding threaded hole group from the front end of the U-shaped support.
With reference to fig. 2, the first steel wire rope sequentially passes through the first fixing hole 102 of the upper press plate, the first U-shaped support 701 and the third fixing hole 202 of the lower press plate, and because the open ends of the first fixing hole 102 and the third fixing hole 202 are both facing the outer side of the rope hanger, the open end of the first U-shaped support 701 faces the center of the rope hanger, in this way, the first steel wire rope is not easy to deviate and drop through the design of crossing the directions of the open ends of the first fixing hole 102, the first U-shaped support 701 and the third fixing hole 202. The second wire rope passes second fixed orifices 103 of top board in proper order, the fourth fixed orifices 203 of second U type support 702 and holding down plate, because the open end of second fixed orifices 103 and fourth fixed orifices 203 all faces the outside of polished rod eye, the open end of second U type support 702 faces the center of polished rod eye, like this, through the beginning end direction cross design with second fixed orifices 103, second U type support 702 and fourth fixed orifices 203, make the difficult off tracking of second wire rope, and be difficult for droing.
In the embodiment of the present application, by providing the positioning assembly 70, the distance between the first pressing plate 10 and the second pressing plate 20 when approaching can be effectively limited, and the first elastic assembly 50 and the second elastic assembly 60 can be prevented from being compressed too much, which results in the damage of the indicator (sensor) and other parts between the first pressing plate 10 and the second pressing plate 20 caused by the contact between the first pressing plate 10 and the second pressing plate 20.
The rope hanger of the embodiment of the application is proved to have the characteristics of safety, high efficiency, durability, convenience, easiness in operation and the like through field application, the design requirement is met, and the strength and the lifting force meet the field application condition.
The working principle of the rope hanger provided by the embodiment of the application is as follows:
after the first pressing plate 10 and the second pressing plate 20 are connected with the horse head of the pumping unit through the first steel wire rope and the second steel wire rope, the polished rod sequentially penetrates through the second U-shaped groove 201 of the second pressing plate 20 and the first U-shaped groove 101 of the first pressing plate 10 from bottom to top, the polished rod is screwed into the baffle 303 through the guide bolts 304 of the first roller assembly 30 and the second roller assembly 40, the support frame 302 is pushed to drive the pulley 301 to advance into the U-shaped groove, the front end of the pulley 301 is abutted to the polished rod, and the polished rod is limited in the center of the U-shaped groove.
The embodiment of the application provides a polished rod eye, because the polished rod that enters into first U type groove 101 can be restricted at the center of first U type groove 101 by first roller components 30, the polished rod that enters into second U type groove 201 can be restricted at the center of second U type groove 201 by second roller components 40, and because first U type groove 101 and second U type groove 201 are respectively located at the center of first clamp plate 10 and second clamp plate 20 of this polished rod eye, like this, just realize restricting the polished rod at the center of this polished rod eye, and then realized the centering of polished rod and polished rod eye, need not artifical hand polished rod eye, thereby improved the efficiency of polished rod centering polished rod eye.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A rope hanger, comprising: the device comprises a first pressing plate (10), a second pressing plate (20), a first roller assembly (30), a second roller assembly (40), a first elastic assembly (50), a second elastic assembly (60) and a positioning assembly (70);
the first pressing plate (10) is positioned above the second pressing plate (20), and the first pressing plate (10) and the second pressing plate (20) are connected through the first elastic assembly (50) and the second elastic assembly (60);
the positioning assembly (70) is positioned between the first platen (10) and the second platen (20) for limiting the distance between the first platen (10) and the second platen (20);
a first U-shaped groove (101) is formed in the center of the first pressing plate (10), and a second U-shaped groove (201) is formed in the center of the second pressing plate (20);
the front end of the first U-shaped groove (101) is an open end and is blocked by the first roller assembly (30);
the front end of the second U-shaped groove (201) is an open end and is blocked by the second roller assembly (40);
the first roller assembly (30) is used for limiting a polished rod entering the first U-shaped groove (101) to the center of the first U-shaped groove (101);
the second roller assembly (40) is used for limiting the polish rod entering the second U-shaped groove (201) to the center of the second U-shaped groove (201).
2. The rope hanger of claim 1, wherein any one of the roller assemblies comprises a pulley (301), a support frame (302), a baffle (303) and a guide bolt (304);
the guide bolt (304) penetrates through the baffle (303) to be connected with the rear end of the supporting frame (302), and the front end of the supporting frame (302) is connected with the pulley (301);
a baffle plate (303) groove matched with the baffle plate (303) is formed in the opening end of the U-shaped groove blocked by the roller assembly, and the roller assembly is connected with the U-shaped groove through the baffle plate (303) and the baffle plate (303) groove;
the guide bolt (304) is screwed into the baffle (303) to push the support frame (302) to drive the pulley (301) to advance towards the U-shaped groove, so that the front end of the pulley (301) is abutted against the polished rod to limit the polished rod at the center of the U-shaped groove.
3. The rope hanger as claimed in claim 2, wherein any one of the roller assemblies further comprises a first fixing screw (305) and a second fixing screw (306), both sides of the baffle plate (303) are respectively provided with a first through hole and a second through hole matched with the first fixing screw (305) and the second fixing screw (306), both sides of the groove of the baffle plate (303) are respectively provided with a first threaded hole and a second threaded hole matched with the first fixing screw (305) and the second fixing screw (306);
the first fixing screw (305) sequentially penetrates through the first through hole and the first threaded hole to connect the baffle plate (303) and one side of the baffle plate (303) groove;
the second fixing screw (306) sequentially penetrates through the second through hole and the second threaded hole to connect the baffle plate (303) and the other side of the baffle plate (303) groove.
4. The rope hanger as claimed in claim 2, wherein any one of the roller assemblies further comprises a third fixing screw (307), the center of the supporting frame (302) is provided with a central hole matched with the third fixing screw (307), and the front end of the guide bolt (304) is provided with a third threaded hole matched with the third fixing screw (307);
the third fixing screw (307) penetrates through the central hole and penetrates into a third threaded hole of the guide bolt (304) to connect the support frame (302) and the guide bolt (304).
5. The rope hanger of claim 2, wherein any one of the roller assemblies further comprises a fixing rod (308), a first U-shaped clip (309) and a second U-shaped clip (3010);
the supporting frame (302) is a U-shaped supporting frame (302), and a first through hole and a second through hole which are matched with the fixing rod (308) are respectively formed in two sides of the front end of the U-shaped supporting frame (302);
a third through hole matched with the fixing rod (308) is formed in the center of the pulley (301);
the fixing rod (308) sequentially penetrates through the first through hole, the third through hole and the second through hole, and the pulley (301) is fixed at the front end of the U-shaped supporting frame (302);
the first U-shaped clamp (309) and the second U-shaped clamp (3010) are connected to two ends of the fixing rod (308) respectively and used for plugging the fixing rod (308).
6. The rope hanger according to claim 1, characterized in that the first elastic assembly (50) and the second elastic assembly (60) are located between the first pressure plate (10) and the second pressure plate (20) and are respectively located on both sides of the first U-shaped groove (101) and the second U-shaped groove (201);
the first elastic assembly (50) comprises a first spring (501), a first upper supporting seat (502), a first lower supporting seat (503) and a first guide head bolt (504), and the second elastic assembly (60) comprises a second spring (601), a second upper supporting seat (602), a second lower supporting seat (603) and a second guide head bolt (604);
a fourth threaded hole and a fifth threaded hole which are matched with the first guide head bolt (504) and the second guide head bolt (604) are respectively formed in two sides of the first U-shaped groove (101);
a first supporting groove and a second supporting groove which are matched with the first lower supporting seat (503) and the second lower supporting seat (603) are respectively arranged on two sides of the second U-shaped groove (201), and the first lower supporting seat (503) and the second lower supporting seat (603) are respectively located in the first supporting groove and the second supporting groove;
the upper end of the first guide head bolt (504) penetrates through the first upper supporting seat (502) and penetrates into the fourth threaded hole;
the upper end of the second guide head bolt (604) penetrates through the second upper supporting seat (602) and penetrates into the fifth threaded hole;
the lower end of the first guide head bolt (504) and the lower end of the second guide head bolt (604) penetrate into the first spring (501) and the second spring (601) respectively;
the upper end and the lower end of the first spring (501) are respectively abutted to the first upper supporting seat (502) and the first lower supporting seat (503), and the upper end and the lower end of the second spring (601) are respectively abutted to the second upper supporting seat (602) and the second lower supporting seat (603) to connect the first pressing plate (10) and the second pressing plate (20).
7. The rope hanger according to claim 1, characterized in that the left and right ends of the first pressing plate (10) are respectively provided with a first fixing hole (102) and a second fixing hole (103), and the left and right ends of the second pressing plate (20) are respectively provided with a third fixing hole (202) and a fourth fixing hole (203);
the first fixing hole (102) and the third fixing hole (202) are used for enabling a first steel wire rope with a first plug at the bottom to penetrate through and then to be fixed at the left ends of the first pressing plate (10) and the second pressing plate (20);
the second fixing hole (103) and the fourth fixing hole (203) are used for enabling a second steel wire rope with a second plug at the bottom to penetrate through and be fixed at the right ends of the first pressing plate (10) and the second pressing plate (20);
the first steel wire rope and the second steel wire rope are used for connecting the first pressing plate (10) and the second pressing plate (20) with a horse head of the oil pumping unit.
8. The rope hanger of claim 7, further comprising a first fixing bolt (80), a second fixing bolt (90), a third fixing bolt (100), and a fourth fixing bolt (110);
the first fixing hole (102), the second fixing hole (103), the third fixing hole (202) and the fourth fixing hole (203) are all U-shaped fixing holes, and open ends of the first fixing hole (102), the second fixing hole (103), the third fixing hole (202) and the fourth fixing hole (203) face the outer side of the rope hanger;
the open ends of the first fixing hole (102), the second fixing hole (103), the third fixing hole (202) and the fourth fixing hole (203) are respectively provided with a first threaded hole group, a second threaded hole group, a third threaded hole group and a fourth threaded hole group which are matched with the first fixing bolt (80), the second fixing bolt (90), the third fixing bolt (100) and the fourth fixing bolt (110);
-the first fixing bolt (80) is threaded through the first set of threaded holes, -the third fixing bolt (100) is threaded through the third set of threaded holes, confining the first wire rope within the first fixing hole (102) and within the third fixing hole (202), respectively;
the second fixing bolt (90) passes through the second threaded hole group, and the fourth fixing bolt (110) passes through the fourth threaded hole group, so that the second wire rope is respectively limited in the second fixing hole (103) and the fourth fixing hole (203).
9. The rope hanger according to claim 1, characterized in that the positioning assembly (70) comprises a first U-shaped support (701) and a second U-shaped support (702), the left bottom surface of the first pressing plate (10) and the left top surface of the second pressing plate (20) are respectively provided with a first stepped groove and a second stepped groove matched with the first U-shaped support (701), and the right bottom surface of the first pressing plate (10) and the right top surface of the second pressing plate (20) are respectively provided with a third stepped groove and a fourth stepped groove matched with the second U-shaped support (702);
the upper end and the lower extreme of first U type support (701) respectively with first step groove with the second step groove offsets, the upper end and the lower extreme of second U type support (702) respectively with the third step groove with the fourth step groove offsets, in order to restrict first clamp plate (10) with distance between second clamp plate (20).
10. A rope hanger according to claim 9, characterised in that the hanger further comprises a fifth fixing bolt (120) and a sixth fixing bolt (130);
the open ends of the first U-shaped support (701) and the second U-shaped support (702) face to the center of the rope hanger;
the open ends of the first U-shaped support (701) and the second U-shaped support (702) are respectively provided with a fifth threaded hole group and a sixth threaded hole group which are matched with the fifth fixing bolt (120) and the sixth fixing bolt (130);
the fifth fixing bolt (120) penetrates through the fifth threaded hole group to limit a first steel wire rope penetrating through the first U-shaped support (701) in the first U-shaped support (701);
the sixth fixing bolt (130) passes through the sixth threaded hole group, and a second steel wire rope passing through the second U-shaped support (702) is limited in the second U-shaped support (702).
CN202110444030.1A 2021-04-23 2021-04-23 Rope hanger Active CN115234197B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2148205Y (en) * 1993-02-24 1993-12-01 辽河石油勘探局欢喜岭采油厂 Multifunctional cable suspending device for oil pumping unit
CN201695961U (en) * 2010-05-17 2011-01-05 邵学忠 Oil pumping unit polished rod deviation adjusting device
US20120034120A1 (en) * 2010-07-30 2012-02-09 Leoncio Del Pozo Arrangement for hydrocarbon extraction in wells using progressive cavity pumps
US20120090847A1 (en) * 2010-10-18 2012-04-19 Ncs Oilfield Services Canada Inc. Tools and Methods for Use in Completion of a Wellbore
CN203925335U (en) * 2014-06-03 2014-11-05 孙小海 Deviation adjusting beam hanger of pumping unit
WO2015014163A1 (en) * 2013-07-30 2015-02-05 Yang Shunwei Walking-beam pumping unit with new support
CN212406619U (en) * 2020-04-28 2021-01-26 大庆油田有限责任公司 Rope hanger for preventing and controlling groove jump of hair braid of pumping well

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2148205Y (en) * 1993-02-24 1993-12-01 辽河石油勘探局欢喜岭采油厂 Multifunctional cable suspending device for oil pumping unit
CN201695961U (en) * 2010-05-17 2011-01-05 邵学忠 Oil pumping unit polished rod deviation adjusting device
US20120034120A1 (en) * 2010-07-30 2012-02-09 Leoncio Del Pozo Arrangement for hydrocarbon extraction in wells using progressive cavity pumps
US20120090847A1 (en) * 2010-10-18 2012-04-19 Ncs Oilfield Services Canada Inc. Tools and Methods for Use in Completion of a Wellbore
WO2015014163A1 (en) * 2013-07-30 2015-02-05 Yang Shunwei Walking-beam pumping unit with new support
CN203925335U (en) * 2014-06-03 2014-11-05 孙小海 Deviation adjusting beam hanger of pumping unit
CN212406619U (en) * 2020-04-28 2021-01-26 大庆油田有限责任公司 Rope hanger for preventing and controlling groove jump of hair braid of pumping well

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