阅读说明：本技术 抽油杆接收装置 (Sucker rod receiving device ) 是由 孙连会 王铁峰 黄树 葛东文 秦虹 杨振涛 陈辉 孙骥 马靖国 李亚斌 孙连治 于 2020-12-01 设计创作，主要内容包括：本公开是关于一种抽油杆接收装置,属于采油领域。抽油杆接收装置包括第一支架、第二支架、两根第一限位杆和对位环。第一支架用于与井口连接,第二支架与第一支架的顶部连接,对位环具有弹性。对位环与第二支架连接,对位环具有开口,开口的宽度小于对位环的内圆的直径,开口朝向远离第二支架的一侧,对位环的内圆的直径等于第一抽油杆的直径,当第一支架与井口连接时,对位环的内边缘所在的圆的中心线与第二抽油杆的中心线重合。第一限位杆沿水平方向延伸,且两根第一限位杆的一端分别与第二支架连接,两根第一限位杆之间具有供第一抽油杆通过的空隙。对位环在水平面内的正投影位于两根第一限位杆在水平面内的正投影之间。(The disclosure relates to a sucker rod receiving device, and belongs to the field of oil extraction. The sucker rod receiving device comprises a first support, a second support, two first limiting rods and a contraposition ring. The first support is used for being connected with the well head, and the second support is connected with the top of first support, and the counterpoint ring has elasticity. The alignment ring is connected with the second support, the alignment ring is provided with an opening, the width of the opening is smaller than the diameter of the inner circle of the alignment ring, the opening faces to one side far away from the second support, the diameter of the inner circle of the alignment ring is equal to that of the first sucker rod, and when the first support is connected with a wellhead, the center line of the circle where the inner edge of the alignment ring is located coincides with the center line of the second sucker rod. First gag lever post extends along the horizontal direction, and the one end of two first gag lever posts respectively with second leg joint, has the space that supplies first sucker rod to pass through between two first gag lever posts. The orthographic projection of the alignment ring in the horizontal plane is positioned between the orthographic projections of the two first limiting rods in the horizontal plane.)

1. A sucker rod receiving device, characterized in that, the sucker rod receiving device includes:

a first support (10) for connection to a wellhead;

a second bracket (20) connected to the top of the first bracket (10);

the two first limiting rods (30) extend along the horizontal direction, one ends of the two first limiting rods (30) are respectively connected with the second bracket (20), and a gap for a first sucker rod to pass through is formed between the two first limiting rods (30);

the elastic aligning ring (40) is connected with the second support (20), the orthographic projection of the aligning ring (40) in the horizontal plane is located between the orthographic projections of the two first limiting rods (30) in the horizontal plane, the aligning ring (40) is provided with an opening (401), the width of the opening (401) is smaller than the diameter of the inner circle of the aligning ring (40), the opening (401) faces to the side far away from the second support (20), the diameter of the inner circle of the aligning ring (40) is equal to the diameter of the first sucker rod, when the first support (10) is connected with the wellhead, the center line of the circle where the inner edge of the aligning ring (40) is located coincides with the center line of the second sucker rod, the first sucker rod is an orbital pumping rod, and the second sucker rod is a downhole sucker rod.

2. The sucker rod receiving device according to claim 1, wherein the extension lines of the two first limiting rods (30) intersect, and the distance between the two first limiting rods (30) is smaller in the horizontal plane in the direction toward the first bracket (10).

3. The sucker rod receiving apparatus of claim 2, further comprising:

the two second limiting rods (50) extend along the horizontal direction, and one ends of the two second limiting rods (50) are respectively connected with the two first limiting rods (30); the extension lines of the two second limiting rods (50) are intersected, the included angle of the extension lines of the two second limiting rods (50) is larger than the included angle of the extension lines of the two first limiting rods (30), and in the horizontal plane, along the direction of the first support (10), the distance between the two second limiting rods (50) is smaller and smaller.

4. The sucker rod receiving apparatus of any one of claims 1 to 3, wherein the second bracket (20) comprises:

the two first connecting shafts (201) are arranged in parallel and extend along a first direction, and the middle parts of the two first connecting shafts (201) are connected with the top of the first bracket (10);

the second connecting shaft (202) extends along a second direction, and two ends of the second connecting shaft (202) are respectively connected with one ends of the two first connecting shafts (201);

the two connecting sleeves (203) are arranged in parallel and extend along a third direction, the two connecting sleeves (203) are connected with the middle part of the second connecting shaft (202), and the first direction, the second direction and the third direction are vertical to each other;

two first connecting rods (204) arranged in parallel and extending along the third direction, wherein one ends of the first connecting rods (204) are positioned in the connecting sleeves (203);

the connecting plate (205), one face of connecting plate (205) with the one end of two gag lever posts (30) is connected, another face of connecting plate (205) with the other end of first connecting rod (204) is connected, connecting plate (205) still with the one end of first gag lever post (30) is connected.

5. The sucker rod receiving apparatus of claim 4, wherein the alignment ring (40) has a trepan (402) at an end adjacent to the second bracket (20);

the second bracket (20) further comprises:

and the second connecting rod (206) extends along the third direction, one end of the second connecting rod (206) is connected with the other plate surface of the connecting plate (205), the other end of the second connecting rod (206) penetrates through the sleeve hole (402), and the second connecting rod (206) is positioned between the two first connecting rods (204).

6. The sucker rod receiving apparatus of any one of claims 1 to 3 further comprising:

a motor (70) connected to the middle of one of the two first limit levers (30);

the elastic sweeping arm (60) extends in the horizontal direction, one end of the elastic sweeping arm (60) is in transmission connection with the motor (70), the motor (70) is used for driving the other end of the elastic sweeping arm (60) to rotate in the horizontal plane, and the length of the elastic sweeping arm (60) is larger than the distance between the middle parts of the two first limiting rods (30).

7. The sucker rod receiving device of claim 6, wherein the resilient sweep arm (60) is located above the first stop rod (30) in a vertical direction.

8. The sucker rod receiving device of any one of claims 1 to 3, wherein the middle of the second bracket (20) is hinged to the top of the first bracket (10), and the middle of the second bracket (20) can rotate around the top of the first bracket (10) in a vertical plane;

the sucker rod receiving arrangement still includes:

and one end of the hydraulic rod (80) is connected with the other end of the second support (20), the other end of the hydraulic rod is connected with the first support (10), and the hydraulic rod (80) is used for driving the second support (20) to rotate in a vertical plane.

9. The sucker rod receiving apparatus of claim 8, further comprising:

an electro-hydraulic directional valve (100) electrically connected to the hydraulic rod (80), the electro-hydraulic directional valve (100) configured to control the hydraulic rod (80) to be in an extended state when the sucker rod receiving device receives the first sucker rod, and to control the hydraulic rod (80) to change from a compressed state to an extended state when the sucker rod receiving device pushes the first sucker rod.

10. The sucker rod receiving apparatus of claim 8, further comprising:

one end of the arresting cable (90) is fixedly connected with the other end of one first limiting rod (30) of the two first limiting rods (30), and the other end of the arresting cable is detachably connected with the other end of the other first limiting rod (30) of the two first limiting rods (30).

Technical Field

The present disclosure relates to the field of oil production, and more particularly, to a sucker rod receiving device.

Background

One kind of sucker rod is a tool for pumping oil in an oil field production system, one end of the sucker rod is connected with a polished rod, the other end of the sucker rod is connected with an oil well pump, the polished rod drives the sucker rod to move up and down in a well, and the sucker rod provides power for the oil well pump in the process of moving up and down to pump oil out of the well.

The length of the sucker rod is long, and the sucker rod is generally formed by connecting a plurality of single sucker rods, and the single sucker rod needs to be sequentially put into a well in the using process, and then the sucker rod put into the well is connected with the sucker rod put into the well firstly. In the related art, the sucker rod is generally conveyed to a wellhead through a rail, and then a worker takes the sucker rod out of the rail and puts the sucker rod into a well.

However, in the process of putting the sucker rod into the well through manual operation, the sucker rod is easy to collide, the manual operation is frequent, and the labor intensity is high.

Disclosure of Invention

The embodiment of the disclosure provides a sucker rod receiving device which can be used for receiving a sucker rod. The technical scheme is as follows:

the present disclosure provides a sucker rod receiving arrangement, sucker rod receiving arrangement includes:

the first bracket is used for connecting with a wellhead;

the second bracket is connected with the top of the first bracket;

the two first limiting rods extend along the horizontal direction, one ends of the two first limiting rods are respectively connected with the second support, and a gap for a first sucker rod to pass through is formed between the two first limiting rods;

the alignment ring is elastic and connected with the second support, the orthographic projection of the alignment ring in the horizontal plane is located between the orthographic projections of the two first limiting rods in the horizontal plane, the alignment ring is provided with an opening, the width of the opening is smaller than the diameter of the inner circle of the alignment ring, the opening faces to one side far away from the second support, the diameter of the inner circle of the alignment ring is equal to that of the first sucker rod, when the first support is connected with the wellhead, the center line of the circle where the inner edge of the alignment ring is located coincides with the center line of the second sucker rod, the first sucker rod is a sucker rod conveyed by a track, and the second sucker rod is a sucker rod in the pit.

In an implementation manner of the embodiment of the present disclosure, extension lines of the two first limiting rods intersect, and in a horizontal plane, a distance between the two first limiting rods is smaller and smaller along a direction toward the first bracket.

In an implementation manner of the embodiment of the present disclosure, the sucker rod receiving device further includes:

the two second limiting rods extend along the horizontal direction, and one ends of the two second limiting rods are respectively connected with the two first limiting rods; the extension lines of the two second limiting rods are intersected, the included angle of the extension lines of the two second limiting rods is larger than the included angle of the extension lines of the two first limiting rods, and in the horizontal plane, the direction of the first support is along the orientation, and the distance between the two second limiting rods is smaller and smaller.

In one implementation of the disclosed embodiment, the second bracket includes:

the two first connecting shafts are arranged in parallel and extend along a first direction, and the middle parts of the two first connecting shafts are connected with the top of the first support;

the second connecting shaft extends along a second direction, and two ends of the second connecting shaft are respectively connected with one ends of the two first connecting shafts;

the two connecting sleeves are arranged in parallel and extend along a third direction, the two connecting sleeves are connected with the middle part of the second connecting shaft, and the first direction, the second direction and the third direction are perpendicular to each other;

the two first connecting rods are arranged in parallel and extend along the third direction, and one ends of the first connecting rods are positioned in the connecting sleeves;

the connecting plate, a face of connecting plate with the one end of two first gag lever posts is connected, another face of connecting plate with the other end of head rod is connected, the connecting plate still with the one end of first gag lever post is connected.

In one implementation of the embodiment of the present disclosure, one end of the alignment ring near the second bracket has a trepan;

the second bracket further includes:

the second connecting rod extends along the third direction, one end of the second connecting rod is connected with the other plate surface of the connecting plate, the other end of the second connecting rod penetrates through the sleeve hole, and the second connecting rod is located between the two first connecting rods.

In an implementation manner of the embodiment of the present disclosure, the sucker rod receiving device further includes:

the motor is connected with the middle part of one of the two first limiting rods;

the arm is swept to elasticity, extends along the horizontal direction, the one end of arm is swept to elasticity with the motor transmission is connected, the motor is used for the drive the other end of arm is swept to elasticity is at horizontal rotation, the length of arm is swept to elasticity is greater than the interval at two first gag lever post middle parts.

In one implementation of the disclosed embodiment, the elastic sweeping arm is located above the first stopper rod in a vertical direction.

In one implementation of the disclosed embodiment, the second bracket middle part is hinged to the top of the first bracket, and the second bracket middle part can rotate around the top of the first bracket in a vertical plane;

the sucker rod receiving arrangement still includes:

and one end of the hydraulic rod is connected with the other end of the second support, the other end of the hydraulic rod is connected with the first support, and the hydraulic rod is used for driving the second support to rotate in a vertical plane.

In an implementation manner of the embodiment of the present disclosure, the sucker rod receiving device further includes:

an electro-hydraulic directional valve electrically connected to the hydraulic rod, the electro-hydraulic directional valve configured to control the hydraulic rod to be in an extended state when the sucker rod receiving device receives the first sucker rod, and to control the hydraulic rod to be changed from a compressed state to an extended state when the sucker rod receiving device pushes the first sucker rod.

In an implementation manner of the embodiment of the present disclosure, the sucker rod receiving device further includes:

one end of the arresting cable is fixedly connected with the other end of one of the two first limiting rods, and the other end of the arresting cable is detachably connected with the other end of the other one of the two first limiting rods.

The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:

when the sucker rod receiving device provided by the embodiment of the disclosure is used, the first support is fixed on a wellhead, the center line of a circle where the inner edge of the alignment ring is located is coincided with the center line of a second sucker rod in the well, and a gap between the two first limiting rods faces to a track for conveying the first sucker rod. When the track transports first sucker rod to the well head, first sucker rod gets into the space between two first gag lever posts, because the orthographic projection of counterpoint ring in the horizontal plane is located between the orthographic projection of two gag lever posts in the horizontal plane, also in the space of counterpoint ring between two first gag lever posts, first sucker rod moves to the counterpoint ring under inertial effect. One side that the second support was kept away from to the counterpoint ring has the opening, first sucker rod gets into in the counterpoint ring through the opening, because the central line coincidence of the central line of the circle at the inward flange place of counterpoint ring this moment and second sucker rod in the pit, and the diameter of the interior circle of counterpoint ring equals the diameter of first sucker rod, also the central line of first sucker rod and second sucker rod in the pit aligns this moment, then put down first sucker rod, the staff rotates first sucker rod, make first sucker rod and second sucker rod threaded connection can, receive the first sucker rod of carrying to the well head on the track through sucker rod receiving arrangement, and is more convenient, avoid causing colliding with of first sucker rod, reduce staff's work simultaneously, time saving and labor saving.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a front view of a sucker rod receiving device provided by an embodiment of the present disclosure;

FIG. 2 is a top view of a sucker rod receiving device provided by embodiments of the present disclosure;

FIG. 3 is a partially disassembled schematic view of a second bracket according to an embodiment of the present disclosure;

FIG. 4 is a top view of an alignment ring provided by embodiments of the present disclosure;

FIG. 5 is a top view of a sucker rod receiving device in another state as provided by embodiments of the present disclosure;

FIG. 6 is a front view of a sucker rod receiving device in another state as provided by embodiments of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

FIG. 1 is a front view of a sucker rod receiving device according to an embodiment of the present disclosure. Referring to fig. 1, the sucker rod receiving device includes: a first bracket 10, a second bracket 20 and an alignment ring 40. The first support 10 is used for connecting with the wellhead, the second support 20 is connected with the top of the first support 10, and the alignment ring 40 has elasticity. Counterpoint ring 40 is connected with second support 20, counterpoint ring 40 has opening 401, opening 401's width is less than the diameter of the interior circle of counterpoint ring 40, opening 401 is towards the one side of keeping away from second support 20, the diameter of the interior circle of counterpoint ring 40 equals the diameter of first sucker rod, when first support 10 is connected with the well head, the central line of the circle at counterpoint ring 40's inward flange place coincides with the central line of second sucker rod, first sucker rod is the sucker rod of track transport, the second sucker rod is sucker rod in the pit.

FIG. 2 is a top view of a sucker rod receiving device according to an embodiment of the present disclosure. Referring to fig. 2, the sucker rod receiving device further includes two first limiting rods 30, the first limiting rods 30 extend along the horizontal direction, one end of each of the two first limiting rods 30 is connected to the second bracket 20, and a gap for the first sucker rod to pass through is formed between the two first limiting rods 30. The orthographic projection of the alignment ring 40 in the horizontal plane is positioned between the orthographic projections of the two first limiting rods 30 in the horizontal plane.

When the sucker rod receiving device provided by the embodiment of the disclosure is used, the first support is fixed on a wellhead, the center line of a circle where the inner edge of the alignment ring is located is coincided with the center line of a second sucker rod in the well, and a gap between the two first limiting rods faces to a track for conveying the first sucker rod. When the track transports first sucker rod to the well head, first sucker rod gets into the space between two first gag lever posts, because the orthographic projection of counterpoint ring in the horizontal plane is located between the orthographic projection of two gag lever posts in the horizontal plane, also in the space of counterpoint ring between two first gag lever posts, first sucker rod moves to the counterpoint ring under inertial effect. One side that the second support was kept away from to the counterpoint ring has the opening, first sucker rod gets into in the counterpoint ring through the opening, because the central line coincidence of the central line of the circle at the inward flange place of counterpoint ring this moment and second sucker rod in the pit, and the diameter of the interior circle of counterpoint ring equals the diameter of first sucker rod, also the central line of first sucker rod and second sucker rod in the pit aligns this moment, then put down first sucker rod, the staff rotates first sucker rod, make first sucker rod and second sucker rod threaded connection can, receive the first sucker rod of carrying to the well head on the track through sucker rod receiving arrangement, and is more convenient, avoid causing colliding with of first sucker rod, reduce staff's work simultaneously, time saving and labor saving.

In the disclosed embodiment, the first bracket 10 has an external connector for connecting with the wellhead, ensuring the stability of the entire sucker rod receiving device.

In the disclosed embodiment, the alignment ring 40 has elasticity, enabling the first sucker rod to enter the alignment ring 40 through the opening 401 when the first sucker rod moves to the opening 401.

In the embodiment of the present disclosure, the alignment ring 40 is an oil-resistant rubber alignment ring, which, on the one hand, ensures the elasticity of the alignment ring 40. On the other hand, corrosion resistance of the aligning ring 40 is ensured.

Referring to fig. 2 again, the extension lines of the two first position-limiting rods 30 intersect, and the distance between the two first position-limiting rods 30 in the horizontal plane is smaller and smaller in the direction toward the first bracket 10.

In the embodiment of the present disclosure, the first sucker rod moves in the gap between the two first limiting rods 30, and since the distance between the two first limiting rods 30 is toward the track for conveying the first sucker rod, the distance between the two first limiting rods 30 is greater and greater in the direction toward the track for conveying the first sucker rod, so that the first sucker rod can more easily enter the gap between the two first limiting rods 30.

Referring again to fig. 2, the sucker rod receiving means includes two second limit rods 50. The two second limiting rods 50 extend in the horizontal direction, and one ends of the two second limiting rods 50 are connected with the two first limiting rods 30 respectively. Extension lines of the two second limiting rods 50 are intersected, an included angle of the extension lines of the two second limiting rods 50 is larger than an included angle of the extension lines of the two first limiting rods 30, and in the horizontal plane, the distance between the two second limiting rods 50 is smaller and smaller along the direction towards the first support 10.

In the embodiment of the present disclosure, the two second limiting rods 50 are respectively located at one end of the two first limiting rods 30 facing the track for conveying the first sucker rod, that is, the first sucker rod enters the gap between the two second limiting rods 50 first, and then enters the gap between the two first limiting rods 30. Because along the direction towards first support 10, the interval of two second gag lever posts 50 is littleer and littleer, also along the direction of keeping away from first support 10, the interval of two second gag lever posts 50 is bigger and bigger, and the contained angle of the extension line of two second gag lever posts 50 is greater than the contained angle of the extension line of two first gag lever posts 30, so the interval of two second gag lever posts 50 is more than or equal to the interval of two first gag lever posts 30. The first sucker rod firstly enters between two second limiting rods 50 with larger space and then enters between two first limiting rods 30 with smaller space. Not only make first sucker rod get into in the clearance of two second gag levers 50 more easily, can not make the interval of two first gag levers 30 too big simultaneously again for after first sucker rod got into the clearance between two first gag levers 30, first sucker rod can not too big with opening 401's deviation, makes during first sucker rod gets into counterpoint ring 40 through opening 401 easily.

In the embodiment of the present disclosure, the first limiting rod 30 and the second limiting rod 50 are both metal rods, which ensure the strength of the first limiting rod 30 and the second limiting rod 50.

Illustratively, the first limiting rod 30 and the second limiting rod 50 are connected in a welding manner, so that the connection tightness of the first limiting rod 30 and the second limiting rod 50 is ensured.

In the embodiment of the present disclosure, the first support 10 may include two vertical rods and a cross rod connected to the tops of the two vertical rods. The second bracket 20 may be connected to the cross bar.

Referring again to fig. 2, the second bracket 20 includes two first connecting shafts 201 and a second connecting shaft 202 arranged in parallel. The first connecting shafts 201 extend in the first direction a, and the middle portions of both the first connecting shafts 201 are connected to the top of the first bracket 10. The second connecting shaft 202 extends along the second direction b, and two ends of the second connecting shaft 202 are respectively connected with one ends of the two first connecting shafts 201.

Fig. 3 is a disassembled schematic view of a partial structure of a second bracket provided by the embodiment of the present disclosure, and referring to fig. 3, the second bracket 20 further includes two parallel connecting sleeves 203, two parallel first connecting rods 204 and a connecting plate 205. The connection sleeves 203 extend in the third direction c, and both connection sleeves 203 are connected to the middle of the second connection shaft 202. The first connecting rod 204 extends along the third direction c, and one end of the first connecting rod 204 is located in the connecting sleeve 203. The first direction a, the second direction b and the third direction c are perpendicular to each other. One plate surface of the connecting plate 205 is connected with one ends of the two first limiting rods 30, the other plate surface of the connecting plate 205 is connected with the other end of the first connecting rod 204, and the connecting plate 205 is further connected with one end of the first limiting rod 30.

In the embodiment of the present disclosure, the middle portions of the two first connecting shafts 201 are connected to the top portion of the first bracket 10, so that the connection between the second bracket 20 and the first bracket 10 is realized. The connecting sleeve 203, the first connecting rod 204 and the connecting plate 205 are arranged at the same time, one plate surface of the connecting plate 205 is respectively connected with one end of each of the two first limiting rods 30, the other plate surface of the connecting plate 205 is respectively connected with the other end of the first connecting rod 204, and the first connecting rod 204 and the first limiting rod 30 are connected through the connecting plate 205. When the first limiting rod 30 is installed, one ends of the two first connecting rods 204 are respectively inserted into the two connecting sleeves 203, so that the second support 20 is connected with the first limiting rod 30 conveniently, and when the first limiting rod is detached, the first connecting rods 204 can be taken out of the connecting sleeves 203, and detachment is facilitated.

In the embodiment of the present disclosure, the side wall of the connecting sleeve 203 has a first through hole penetrating through two opposite side walls of the connecting sleeve 203, and the side wall of the first connecting rod 204 has a second through hole communicating with the first through hole. The second bracket 20 further includes a pin 207, and after the other end of the first connecting rod 204 is inserted into the connecting sleeve 203, the first through hole and the second through hole are communicated with each other, and then the pin 207 is used to sequentially pass through the first through hole and the second through hole, so that the first connecting rod 204 is confined in the connecting sleeve 203.

In the embodiment of the present disclosure, the second bracket 20 is a metal bracket, that is, each component of the second bracket 20 is made of metal, so as to ensure the strength of the second bracket 20.

In the embodiment of the present disclosure, the first connecting shaft 201 and the second connecting shaft 202 are connected by welding, so as to ensure the tightness of the connection between the first connecting shaft 201 and the second connecting shaft 202.

In the embodiment of the present disclosure, the second connecting shaft 202 and the connecting sleeve 203 are connected by welding, so as to ensure the tightness of the connection between the second connecting shaft 202 and the connecting sleeve 203.

In the embodiment of the present disclosure, the first limiting rod 30 and the first connecting rod 204 are connected by the connecting plate 205, the connecting area between the connecting plate 205 and the first connecting rod 204 is increased, the connecting area between the connecting plate 205 and the first limiting rod 30 is also increased, and the connection tightness between the first limiting rod 30 and the first connecting rod 204 can be improved.

In the embodiment of the present disclosure, the first connecting rod 204 and the connecting plate 205 are connected by welding, so as to ensure the connection tightness of the first connecting rod 204 and the connecting plate 205.

In the embodiment of the present disclosure, the connecting plate 205 and the first limiting rod 30 are connected by welding, so as to ensure the connection tightness between the connecting plate 205 and the first limiting rod 30.

Referring again to fig. 2, the second bracket 20 includes a third connecting shaft 208, the third connecting shaft 208 extends along the second direction b, and both ends of the third connecting shaft 208 are connected to the other ends of the two first connecting shafts 201, respectively. One ends of the two first connecting shafts 201 are connected with the second connecting shaft 202, and the other ends of the two first connecting shafts 201 are connected with the third connecting shaft 208 to form a square frame.

In the disclosed embodiments. The third connecting shaft 208 and the first connecting shaft 201 are connected in a welding mode, and the connecting tightness of the third connecting shaft 208 and the first connecting shaft 201 is guaranteed.

Referring again to fig. 2, the second bracket 20 further includes a second connecting rod 206. The second connecting rod 206 extends along the third direction c, one end of the second connecting rod 206 is connected with the other plate surface of the connecting plate 205, and the second connecting rod 206 is located between the two first connecting rods 204.

Fig. 4 is a top view of an alignment ring provided in an embodiment of the present disclosure. Referring to fig. 4, the alignment ring 40 has a trepan 402 at an end thereof adjacent to the second bracket 20. The other end of the second connecting rod 206 in fig. 3 passes through the trepan bore 402.

By arranging the second connecting rods 206, when the alignment ring 40 is installed, the other ends of the second connecting rods 206 pass through the sleeve holes 402, and then the other ends of the two first connecting rods 204 are inserted into the connecting sleeves 203 respectively, because the second connecting rods 206 are located between the two second connecting rods 206, and the connecting sleeves 203 are connected with the middle parts of the second connecting shafts 202, the other ends of the second connecting rods 206 are abutted against the second connecting shafts 202. The alignment ring 40 is a rubber alignment ring, a certain friction force exists between the alignment ring 40 and the second connecting rod 206, and the alignment ring 40 is fixed between the second connecting shaft 202 and the connecting plate 205 by the structure, so that the alignment ring 40 is fixed and is convenient to mount; meanwhile, when the connector is disassembled, the first connecting rod 204 is taken out of the connecting sleeve 203, and then the alignment ring 40 is taken down from the second connecting rod 206, so that the disassembly is convenient.

FIG. 5 is a top view of a sucker rod receiving device in another state as provided by embodiments of the present disclosure. Referring to fig. 1 and 5, the sucker rod receiving device further includes: a resilient sweeping arm 60 and a motor 70. The elastic sweeping arm 60 extends along the horizontal direction, the motor 70 is connected with the middle part of one of the two first limiting rods 30, one end of the elastic sweeping arm 60 is in transmission connection with the motor 70, the motor 70 is used for driving the other end of the elastic sweeping arm 60 to rotate in the horizontal plane, and the length of the elastic sweeping arm 60 is larger than the distance between the middle parts of the two first limiting rods 30.

In the embodiment of the present disclosure, when the first sucker rod enters the gap between the two first position-limiting rods 30, the first sucker rod may not enter the aligning ring 40 through the opening 401, and at this time, the motor 70 controls the elastic sweeping arm 60 to rotate, for example, counterclockwise according to fig. 1 to 5, so that the elastic sweeping arm 60 generates a pushing force on the first sucker rod, so that the elastic sweeping arm 60 pushes the first sucker rod into the aligning ring 40, and the first sucker rod can enter the aligning ring 40.

In the embodiment of the present disclosure, when the first sucker rod enters the gap between the two first limiting rods 30, the other end of the elastic sweeping arm 60 is outside the gap between the two first limiting rods 30, so as to prevent the elastic sweeping arm 60 from blocking the first sucker rod, which may cause the first sucker rod not to enter the aligning ring 40.

In the embodiment of the present disclosure, the motor 70 is disposed, and the other end of the elastic sweeping arm 60 is driven to rotate by the motor 70, which is more convenient.

In the disclosed embodiment, the motor 70 has a transmission assembly therein, and the transmission assembly of the motor 70 is connected with the elastic sweeping arm 60.

Illustratively, the transmission assembly may be a gear set.

In the disclosed embodiment, the motor 70 may be a pneumatic motor, which does not generate electric spark and is suitable for use in an explosion-proof environment in an oil production site.

In the disclosed embodiment, the elastic sweep arm 60 is located above the first stopper rod 30 in the vertical direction. When the elastic sweep arm 60 rotates, the first stopper rod 30 does not block the rotation of the elastic sweep arm 60.

In fig. 1, the vertical direction is a third direction c.

As shown in fig. 1 and 6, the sucker rod receiving device further includes a first switch 701 and an air pump (not shown), the first switch 701 is communicated with the motor 70 through the first pipe 120, and the first switch 701 controls the communication between the air pump and the motor 70. When the first switch 701 is turned on, the air pump delivers air to the motor 70 or sucks air in the motor 70 through the first pipe 120, so that the shaft of the motor 70 is rotated, thereby controlling the rotation of the elastic broom arm 60. When the first switch 701 is turned off, the elastic sweep arm 60 is controlled to stop rotating and is maintained in a state before stopping rotating.

In the disclosed embodiment, the middle of the second bracket 20 is hinged to the top of the first bracket 10, and the middle of the second bracket 20 can rotate in a vertical plane around the top of the first bracket 10. Referring again to fig. 1 and 5, the sucker rod receiving device further includes a hydraulic rod 80, one end of the hydraulic rod 80 is connected to the other end of the second bracket 20, the other end of the hydraulic rod 80 is connected to the first bracket 10, and the hydraulic rod 80 is used for driving the second bracket 20 to rotate in the vertical plane.

In the embodiment of the present disclosure, since the middle portion of the second bracket 20 can rotate in the vertical plane around the top portion of the first bracket 10, when the first sucker rod needs to be taken out from the downhole, the control hydraulic rod 80 is shortened, so that the second bracket 20, the first limiting rod 30 and the second limiting rod 50 all rotate and move away from the wellhead, and the second bracket 20, the first limiting rod 30 and the second limiting rod 50 are prevented from affecting the worker to take out the first sucker rod from the downhole. When the first sucker rod needs to be received, the control hydraulic rod 80 is in an extension state, the second support 20, the first limiting rod 30 and the second limiting rod 50 are arranged along the direction of the track for conveying the first sucker rod, and the first sucker rod can enter the alignment ring from the gap between the two second limiting rods 50.

FIG. 6 is a front view of a sucker rod receiving device in another state as provided by embodiments of the present disclosure. Referring to fig. 6, when the hydraulic rod 80 is in a compressed state, the second bracket 20, the first stopper rod 30, and the second stopper rod 50 are arranged in a vertical direction. In fig. 6, the hydraulic rod 80 is in a compressed state, and the hydraulic rod 80 is hidden by the first bracket 10, and the hydraulic rod 80 cannot be seen.

Referring again to FIG. 5, the sucker rod receiving device also includes a check cable 90. One end of the arrester wire 90 is connected with the other end of one of the two first limiting rods 30, and the other end of the arrester wire 90 is detachably connected with the other end of the other one of the two first limiting rods 30.

The sucker rod receiving device provided by the embodiment of the disclosure can also be used for pushing a first sucker rod, when the first sucker rod is pushed, the other end of the blocking cable 90 is connectable with the other end of the other first limiting rod 30 of the two first limiting rods 30, so that the hydraulic rod 80 is in a compressed state, at this time, the second support 20, the first limiting rod 30 and the second limiting rod 50 are arranged in the vertical direction, then a worker takes the first sucker rod out of the well, controls the hydraulic rod 80 to be converted into an extended state from the compressed state, allows the first sucker rod to return to a gap between the two first limiting rods 30 again, continues to extend the hydraulic rod 80, at this time, the second support 20, the first limiting rod 30 and the second limiting rod 50 rotate clockwise around the connection point 11 of the second support 20 and the first support 10, and at this time, the blocking cable 90 rotates clockwise along with the first limiting rod 30. Because the first sucker rod is positioned in the gap between the two second limiting rods 50, the arresting cable 90 can be firstly contacted with the first sucker rod, and in the process that the arresting cable 90 continuously rotates clockwise, the arresting cable 90 generates a track for conveying the first sucker rod towards the first sucker rod, so that the first sucker rod is pushed to the track.

In the disclosed embodiment, when the sucker rod receiving device is receiving a first sucker rod, the other end of the blocking cable 90 is not connected to the other end of the other of the two first limiting rods 30, so as to prevent the blocking cable 90 from blocking the first sucker rod from entering the gap between the two first limiting rods 30.

Referring again to FIG. 6, the sucker rod receiving device further includes an electro-hydraulic directional valve 100, the electro-hydraulic directional valve 100 being electrically connected to the hydraulic rod 80, the electro-hydraulic directional valve 100 being configured to control the hydraulic rod 80 to be in an extended state when the sucker rod receiving device receives a first sucker rod and to control the hydraulic rod 80 to change from a compressed state to an extended state when the sucker rod receiving device pushes the first sucker rod.

In the embodiment of the present disclosure, the electro-hydraulic directional valve 100 is arranged, and it is more convenient to control the telescopic state of the hydraulic rod 80 through the electro-hydraulic directional valve 100.

As shown in FIG. 5, the electro-hydraulic directional valve 100 is communicated with the hydraulic rod 80 through a second pipeline 130, the electro-hydraulic directional valve 100 is electrically connected with a second switch 140, and the second switch 140 can control the forward or reverse state of the electro-hydraulic directional valve 100. When the electro-hydraulic directional valve 100 is in the forward direction, the electro-hydraulic directional valve 100 inputs liquid to the hydraulic rod 80 through the second pipeline 130 so that the hydraulic rod 80 is extended, and when the electro-hydraulic directional valve 100 is in the reverse direction, the electro-hydraulic directional valve 100 sucks the liquid into the hydraulic rod 80 through the second pipeline 130 so that the hydraulic rod 80 is compressed. Because the extension and the compression of the hydraulic rod 80 are controlled by liquid, electric sparks are not generated, and the hydraulic rod is suitable for the explosion-proof environment of an oil extraction site.

In the embodiment of the present disclosure, the first switch 701 and the second switch 140 may be electrically controlled switches, and the first switch 701 and the second switch 140 are powered by a power supply on board the workover rig on site.

The following briefly describes the process of receiving and pushing a first sucker rod by a sucker rod receiving device provided by the embodiment of the disclosure:

sucker rod receiving arrangement receives first sucker rod: when the first sucker rod approaches the wellhead from far to near on the track, the second switch 140 is controlled to supply power to the electro-hydraulic directional valve 100 in the forward direction, so that the piston rod of the hydraulic rod 80 extends out, the second support 20 is driven to rotate around the first support 10, and the two first limiting rods 30 tilt forwards to receive the first sucker rod; when a first sucker rod enters a gap between two first limiting rods 30, the first switch 701 is controlled to supply air to the motor 70, and the elastic sweeping arm 60 rotates to push the first sucker rod body into the opening 401, so that the first sucker rod enters the alignment ring 40; lowering a first sucker rod to enable the first sucker rod to be in butt joint with a second sucker rod screw thread in the well; the second switch 140 is controlled to supply power to the electro-hydraulic directional valve 100 in the reverse direction, so that the piston rod of the hydraulic rod 80 is contracted and drives the second support 20 to rotate around the first support 10, the two first limiting rods 30 face upwards, the aligning ring 40 is separated from the sucker rod body, then the elastic sweeping arm 60 is separated from the first sucker rod, and after the piston rod of the hydraulic rod 80 is completely contracted, the second support 20 and the first limiting rod 30 are far away from the well head.

Sucker rod receiving arrangement propelling movement first sucker rod: the other end of the arresting cable 90 is connected with the other end of the other one of the two first limiting rods 30; the second switch 140 is controlled to supply power to the electro-hydraulic directional valve 100 in the forward direction, so that the piston rod of the hydraulic rod 80 extends out to drive the second support 20 to rotate around the first support 10, and the two first limiting rods 30 gradually tilt forwards to drive the arresting cable 90 to push the first sucker rod above the wellhead to move continuously in the direction away from the wellhead; after the first sucker rod moves forward to the required position, the second switch 140 is controlled to supply power to the electro-hydraulic directional valve 100 in a reverse direction, so that the piston rod of the hydraulic rod 80 is contracted, and the two first limiting rods 30 are driven to pitch up gradually and are far away from the center of a wellhead.

The sucker rod receiving device disclosed by the embodiment of the disclosure can replace manual work to solve the problems of high safety risk and high labor intensity caused by manual whole-course operation when the sucker rod is received and sent. Novel in design, convenient operation, efficiency is stable.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.