CN210977339U

CN210977339U - Rope suspension device

Info

Publication number: CN210977339U
Application number: CN201921475120.1U
Authority: CN
Inventors: 包波; 杨振东; 邹洪超; 吕晓兰; 刘元元; 张哲洋; 刘冰; 刘枫; 夏禹; 王晶明; 黄玉晶; 贾海; 孟令军; 马玉佼; 赵奇峰; 靳庆凯; 吕洪超; 徐志强; 曹建新; 杨娜
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-10
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a rope hanger, which is connected below a horse head of a pumping unit through a lifting rope, and comprises a lower disc of the rope hanger, an upper disc of the rope hanger and a fixing part, wherein the lower disc of the rope hanger is connected with the bottom end of the lifting rope, and a first through hole is arranged on the lower disc of the rope hanger; a second through hole is formed in the upper disc of the rope hanger, the upper disc of the rope hanger is placed at the top of the lower disc of the rope hanger, the second through hole is communicated with the first through hole correspondingly, the polished rod of the pumping unit sequentially penetrates through the second through hole and the first through hole, an annular boss with an arc-shaped longitudinal section is arranged on the inner wall of the second through hole along the circumferential direction of the second through hole, and gaps are reserved between the outer wall of the polished rod of the pumping unit and the inner walls of the annular boss and the first through hole; the fixed cover of mounting is established in the outside of beam-pumping unit polished rod, and the mounting is located the top of polished rod eye hanging wall, and the bottom of mounting supports with the top of polished rod eye hanging wall and leans on to be connected. The utility model provides a because the polished rod is not in the centering position and receive the too big technical problem who easily leads to disconnected pole of radial pressure of polished rod eye.

Description

Rope suspension device

Technical Field

The utility model relates to an oil development technical field especially relates to a polished rod eye.

Background

In the mechanical oil extraction process, a ground oil pumping unit is one of main equipment in an oil extraction production field, when the oil pumping unit performs oil pumping, a sucker rod always performs linear reciprocating motion along the pipe wall of an oil pipe, friction loss is likely to occur between the sucker rod and the pipe wall due to the influence of the installation position of an oil well pump and the position of the sucker rod, and the service life of a plunger of the oil pumping pump, the sucker rod and a sleeve can be seriously influenced if the sucker rod is unevenly worn.

Wherein, because the seasonality of beam-pumping unit basis subsides, can cause the change of beam-pumping unit position on the horizontal direction, also can cause the diversion of well head department well bore owing to reasons such as steam injection moreover, above-mentioned condition all can lead to the skew of beam-pumping unit polished rod and not be in the centering position. In the course of the work, the polished rod can pass the through-hole on the polished rod eye, and drive it through the sucker rod and carry out reciprocating motion from top to bottom, if the polished rod is in the skew state this moment, the double-phase offside outer wall of polished rod can correspond and polished rod eye goes up the upper limb and the lower limb of through-hole and lean on to be connected, consequently, the upper limb and the lower limb of through-hole can apply radial pressure to the polished rod, if the polished rod velocity of motion is too fast or the polished rod receives the effect of radial pressure for a long time, the load of polished rod has been increased, then easily lead to the cracked occurence of failure of polished rod, bury down hidden danger for.

Aiming at the problem that the polished rod is not in the centering position in the related art, the polished rod is easily broken due to overlarge radial pressure of the polished rod eye, and an effective solution is not provided at present.

Therefore, the inventor provides the rope hanger by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polished rod eye, when the beam-pumping unit polished rod was located non-centering position and carries out reciprocating motion, effectively reduced the radial pressure that the beam-pumping unit polished rod received, avoided because the radial pressure that eccentric wear and received is too big and cause the impaired disconnected pole of beam-pumping unit polished rod the condition emergence, had the centering adjustment ability that improves the beam-pumping unit polished rod simultaneously, real-time supplementary beam-pumping unit polished rod carries out the centering adjustment, the life of extension equipment, the demand of adaptation work high efficiency, energy-conservation, environmental protection.

The purpose of the utility model can be realized by adopting the following technical scheme:

the utility model provides a rope hanger, it passes through the lifting rope and connects the below at beam-pumping unit horse head, rope hanger includes:

the rope hanger lower disc is connected with the bottom end of the lifting rope, and a first through hole penetrating through the rope hanger lower disc in the vertical direction is formed in the rope hanger lower disc;

the beam hanger upper disc is provided with a second through hole which penetrates through the beam hanger upper disc along the vertical direction, the beam hanger upper disc is placed at the top of the beam hanger lower disc, the second through hole is communicated with the first through hole correspondingly, a pumping unit polished rod sequentially penetrates through the second through hole and the first through hole from top to bottom, an annular boss with an arc-shaped longitudinal section is arranged on the inner wall of the second through hole along the circumferential direction of the second through hole, and gaps are reserved among the outer wall of the pumping unit polished rod, the annular boss and the inner wall of the first through hole;

the fixed cover of the fixing piece is arranged on the outer side of the polished rod of the oil pumping unit, the fixing piece is positioned at the top of the upper disc of the polished rod eye, and the bottom of the fixing piece is connected with the top of the upper disc of the polished rod eye in an abutting mode.

The utility model discloses an among the preferred embodiment, the long strip-shaped block structure that the polished rod eye lower wall set up for following the horizontal direction, first through-hole is seted up the intermediate position of polished rod eye lower wall, seted up on the lateral wall of polished rod eye lower wall with the first opening of first through-hole intercommunication, first opening link up along vertical direction the polished rod eye lower wall, the fixed first seal baffle that is provided with of first opening part.

In a preferred embodiment of the present invention, the upper portions of the two opposite side inner walls of the first opening are respectively provided with a fixing groove, and the two opposite side edges of the first sealing baffle are fixedly embedded in the corresponding fixing grooves.

In a preferred embodiment of the present invention, a first concave portion is provided on the sidewall of the first sealing baffle, and the first concave portion cooperates with the inner wall of the first through hole to form a closed cylindrical through hole.

The utility model discloses an in a preferred embodiment, the long cubic massive structure that the polished rod eye hanging wall set up for following the horizontal direction, the second through-hole is seted up the intermediate position of polished rod eye hanging wall, seted up on the lateral wall of polished rod eye hanging wall with the second opening of second through-hole intercommunication, the second opening link up along vertical direction the polished rod eye hanging wall, the fixed second that is provided with of second opening part seals the baffle.

In a preferred embodiment of the present invention, the second sealing baffle is provided with screws at positions close to two opposite side edges, respectively, through which the second sealing baffle is fixed on the upper disc of the rope hanger.

In a preferred embodiment of the present invention, a second concave portion is disposed on the sidewall of the second sealing baffle, and the second concave portion cooperates with the inner wall of the second through hole to form a closed cylindrical through hole.

In a preferred embodiment of the present invention, the number of the lifting ropes is two, and two of the lifting ropes are correspondingly connected to the positions of the rope hanger lower disc near the two opposite side edges.

The utility model discloses an among the preferred embodiment, logical groove, two have been seted up along vertical direction respectively to the relative side edge of the double-phase of polished rod eye lower wall the lifting rope passes from top to bottom and corresponds logical groove, the bottom mounting of lifting rope is provided with the stopper, the stopper joint is in the bottom of polished rod eye lower wall, the fixed pin that seals that is provided with of opening part that leads to the groove.

The utility model discloses an in a preferred embodiment, seal the pin and set up along the horizontal direction, seal the both ends of pin correspond with lead to the double-phase internal wall fixed connection in groove, the clamp that the lifting rope can move about is located lead to the groove with seal between the pin.

The utility model discloses an among the preferred embodiment, the mounting is the square clip, the fixed cover of square clip is established the outside of beam-pumping unit polished rod, and the inner wall of square clip with the outer wall of beam-pumping unit polished rod closely laminates, the opening part of square clip is screwed up there is fastening bolt.

In a preferred embodiment of the present invention, the rope hanger upper plate is integrally connected to the boss.

From the above, the utility model discloses a characteristics and advantage of polished rod eye are: the polished rod eye hanging wall is placed at the top of the polished rod eye lower wall, a first through hole and a second through hole which are correspondingly conducted are formed in the polished rod eye lower wall and the polished rod eye hanging wall, a pumping unit polished rod sequentially penetrates through the second through hole and the first through hole from top to bottom, an annular boss with an arc-shaped longitudinal section is arranged on the inner wall of the second through hole, gaps are reserved between the outer wall of the pumping unit polished rod and the inner walls of the annular boss and the first through hole, the radial pressure of the pumping unit polished rod which reciprocates when the pumping unit polished rod is in a non-centering position can be reduced for two times through the second through hole and the annular boss of the polished rod eye hanging wall and the first through hole of the polished rod eye lower wall, and the accident that the polished rod is broken due to overlarge radial pressure when the pumping unit polished rod which is in the non. In addition, because the annular boss of the polished rod eye hanging wall of the pumping unit polished rod leans against and is connected with the pumping unit polished rod in the reciprocating motion process, under the action of radial pressure applied to the pumping unit polished rod by the polished rod eye hanging wall, the pumping unit polished rod tends to the centering position, thereby being beneficial to improving the real-time adjustable capacity of the centering position of the pumping unit polished rod, being beneficial to improving the centering rate of the pumping unit polished rod, further prolonging the service life of the pumping unit polished rod, meeting the requirements of high efficiency, energy conservation and environmental protection of oil extraction work, and being suitable for being popularized and used in a large.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1: is the structure schematic diagram of the rope suspension device of the utility model.

FIG. 2: do the utility model discloses the longitudinal section sketch map of polished rod eye.

FIG. 3: is a schematic transverse cross-sectional view at the position a-a in fig. 2.

FIG. 4: do the utility model discloses the first back view that seals the baffle in the polished rod eye.

FIG. 5: do the utility model discloses the first plan view that seals the baffle in the polished rod eye.

FIG. 6: is a transverse cross-sectional view at the location B-B in fig. 2.

FIG. 7: do the utility model discloses the rear view of second baffle in the polished rod eye.

FIG. 8: do the utility model discloses the plan view of second baffle in the polished rod eye.

The utility model discloses an attached numeral: 1. a rope hanger lower disc; 101. a first through hole; 102. a first opening; 103. fixing grooves; 104. a through groove; 2. an upper plate of the rope hanger; 201. a second through hole; 2011. a boss; 3. a fixing member; 4. a polish rod of the oil pumping unit; 5. a lifting rope; 6. a limiting block; 7. sealing the pin; 8. fastening a bolt; 9. a first sealing baffle; 901. a first recess; 10. a second sealing baffle; 1001. a second recess; 11. and (4) screws.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model relates to a rope hanger, which is suspended and connected below a horse head of an oil pumping unit through a lifting rope 5, and comprises a lower disc 1 of the rope hanger, an upper disc 2 of the rope hanger and a fixing part 3, wherein the lower disc 1 of the rope hanger is connected with the bottom end of the lifting rope 5, the top end of the lifting rope 5 is fixedly connected on the horse head of the oil pumping unit, and the lower disc 1 of the rope hanger is provided with a first through hole 101 which vertically penetrates through the lower disc 1 of the rope hanger; a second through hole 201 penetrating through the polished rod eye upper disc 2 along the vertical direction is formed in the polished rod eye upper disc 2, the polished rod eye upper disc 2 and the polished rod eye lower disc 1 are of a split structure, the polished rod eye upper disc 2 is placed on the top of the polished rod eye lower disc 1, the second through hole 201 is correspondingly communicated with the first through hole 101, the pumping unit polished rod 4 sequentially penetrates through the second through hole 201 and the first through hole 101 from top to bottom, an annular boss 2011 with an arc-shaped longitudinal section is arranged on the inner wall of the second through hole 201 along the circumferential direction of the second through hole 201 (namely, the longitudinal section of the boss 2011 is an arc protruding from the upper end and the lower end of the second through hole 201 to the middle part of the second through hole 201), and gaps are reserved between the outer wall of the pumping unit polished rod 4 and the inner walls of the annular boss 2011 and the; the fixed cover of mounting 3 is established in the outside of beam-pumping unit polished rod 4, and mounting 3 is located the top of polished rod eye hanging wall 2, and the bottom of mounting 3 supports with the top of polished rod eye hanging wall 2 and leans on to be connected.

The utility model discloses a second through-hole 201 and cyclic annular boss 2011 of polished rod eye hanging wall 2 and first through-hole 101 of polished rod eye lower wall 1 can reduce the radial pressure that reciprocating motion's beam-pumping unit polished rod 4 received when being in non-centering position twice, and it specifically is: when beam-pumping unit polished rod 4 is in non-centering position and carries out reciprocating motion, the outer wall of beam-pumping unit polished rod 4 can lean on with cyclic annular boss 2011 to be connected, because the longitudinal section of cyclic annular boss 2011 is the arc, it is directly to lean on with the top of second through-hole 201 and bottom edge directly to be connected with the beam-pumping unit polished rod 4 and compare, the setting of cyclic annular boss 2011 has increased the area of contact between beam-pumping unit polished rod 4 and polished rod eye 2, thereby reduced polished rod eye 2 that beam-pumping unit polished rod 4 received on unit area and to its applied radial pressure, in addition, when beam-pumping unit polished rod 4 receives great radial pressure, beam-pumping unit polished rod 4 can carry polished rod eye 2 at the first through-hole 101 of polished rod eye lower plate 1 translation one section distance in the horizontal direction at reciprocating motion in-process, thereby reduce the radial pressure on beam-pumping unit polished rod 4 once more, avoid being in non-centering position beam-pumping unit polished rod 4 because the radial pressure that And (6) an accident. In addition, because the annular boss 2011 of the polished rod eye upper disc 2 exerts radial pressure on the polished rod 4 of the oil pumping unit in the reciprocating motion process of the polished rod 4 of the oil pumping unit, the polished rod 4 of the oil pumping unit tends to the centering position in the reciprocating motion process under the action of the radial pressure, the real-time adjustability of the centering position of the polished rod 4 of the oil pumping unit is improved, the centering rate is improved, the service life of the polished rod 4 of the oil pumping unit is prolonged, the requirements of high efficiency, energy conservation and environmental protection of oil extraction work are met, and the polished rod 4 of the oil pumping.

Specifically, as shown in fig. 1 and 2, the fixing member 3 may be, but is not limited to, a square clip, the square clip is fixedly sleeved on the outer side of the pumping unit polish rod 4, the inner wall of the square clip is tightly attached to the outer wall of the pumping unit polish rod 4, and a fastening bolt 8 is screwed at the opening of the square clip.

Wherein, the upper disc 2 of the rope hanger and the lug boss 2011 are integrally formed.

Further, as shown in fig. 2, the aperture of the first through hole 101 on the lower disc 1 of the polished rod eye is larger than the maximum aperture of the second through hole 201 on the upper disc 2 of the polished rod eye, and when the polished rod 4 of the pumping unit is subjected to a large radial pressure, the polished rod 4 of the pumping unit and the upper disc 2 carrying the polished rod eye are translated in the first through hole 101, so that the radial pressure on the polished rod 4 of the tapping machine is reduced.

As shown in fig. 1 to 3, the rope hanger lower disc 1 is a strip-shaped block structure arranged along the horizontal direction, the first through hole 101 is arranged in the middle of the rope hanger lower disc 1, a first opening 102 communicated with the first through hole 101 is arranged on the side wall of the rope hanger lower disc 1, the first opening 102 penetrates through the rope hanger lower disc 1 along the vertical direction, and a first sealing baffle plate 9 is fixedly arranged at the first opening 102. Through the setting of first opening 102, be convenient for install and dismantle polished rod eye lower wall 1, in addition, seal the baffle 9 through first and carry out the shutoff to first opening 102 for first through-hole 101 forms a complete closed hole, prevents that beam-pumping unit polished rod 4 from taking place to break away from with polished rod eye lower wall 1.

Further, as shown in fig. 1 and 3, fixing grooves 103 are respectively formed in the upper portions of the inner walls of the two opposite sides of the first opening 102, and the edges of the two opposite sides of the first sealing baffle 9 are fixedly embedded in the corresponding fixing grooves 103, so that the assembly and disassembly are simple, and the operation is convenient.

Further, as shown in fig. 4 and 5, a first concave portion 901 is provided in the middle of the outer wall of one side of the first sealing baffle 9, the first concave portion 901 penetrates through the first sealing baffle 9 in the vertical direction, and in a state where the first sealing baffle 9 blocks the first opening 102, the first concave portion 901 cooperates with the inner wall of the first through hole 101 to form a closed cylindrical through hole.

As shown in fig. 1, 2, and 6, the upper disc 2 of the rope hanger is a rectangular block-shaped structure arranged along the horizontal direction, a second through hole 201 is formed in the middle of the upper disc 2 of the rope hanger, a second opening communicated with the second through hole 201 is formed in the side wall of the upper disc 2 of the rope hanger, the second opening penetrates through the upper disc 2 of the rope hanger along the vertical direction, and a second sealing baffle 10 is fixedly arranged at the second opening. Through the setting of second opening, be convenient for install and dismantle polished rod eye hanging wall 2, in addition, seal baffle 10 through the second and carry out the shutoff to the second opening for second through-hole 201 forms a complete closed hole, prevents that beam-pumping unit polished rod 4 from taking place to break away from with polished rod eye hanging wall 2.

Further, as shown in fig. 1 and 6, screws 11 are respectively disposed on the second sealing baffle 10 near two opposite side edges, and the second sealing baffle 10 is fixed on the upper disc 2 of the rope hanger by the screws 11.

Further, as shown in fig. 7 and 8, a second concave portion 1001 is provided in the middle of the outer wall of one side of the second sealing baffle 10, the second concave portion 1001 penetrates through the second sealing baffle 10 in the vertical direction, and in the state that the second sealing baffle 10 blocks the second opening, the second concave portion 1001 and the inner wall of the second through hole 201 are matched to form a closed cylindrical through hole.

As shown in fig. 1 and 2, the number of the lifting ropes 5 is two, and the two lifting ropes 5 are correspondingly connected to the positions, close to the two opposite side edges, on the lower disc 1 of the rope hanger, so that the rope hanger can be stably connected with the lifting ropes 5 in the horizontal direction.

Further, as shown in fig. 1 to 3, through grooves 104 are respectively formed in the middle positions of two opposite side edges of the rope hanger lower disc 1, the through grooves 104 penetrate through the rope hanger lower disc 1 in the vertical direction, the two lifting ropes 5 penetrate through the corresponding through grooves 104 from top to bottom, the bottom ends of the lifting ropes 5 are fixedly provided with limit blocks 6, the limit blocks 6 are clamped at the bottom of the rope hanger lower disc 1 (that is, the top of the limit blocks 6 abuts against the bottom of the rope hanger lower disc 1), and sealing pins 7 are fixedly arranged at openings of the through grooves 104.

Specifically, as shown in fig. 1 to 3, the sealing pin 7 is disposed along the horizontal direction, two ends of the sealing pin 7 are correspondingly and fixedly connected to two inner walls of the through groove 104, and the lifting rope 5 is movably clamped between the through groove 104 and the sealing pin 7.

The connection between the lifting rope 5 and the rope hanger bottom plate 1 can adopt but not limited to the above connection mode.

The utility model discloses a polished rod eye is applicable to multiple beam-pumping units such as beam-pumping unit, vertical tower machine and uses, is applicable to the oil recovery area that geological conditions is loose, the difference in temperature is big in season moreover, can effectively prolong the life that beam-pumping unit polished rod 4 and sealer packed, is suitable for and uses widely on a large scale.

The utility model discloses rope hanger's characteristics and advantage are:

firstly, when the polished rod 4 of the pumping unit in the polished rod eye is in a non-centering position for reciprocating motion, the outer wall of the polished rod 4 of the pumping unit can abut against and be connected with the annular boss 2011, because the longitudinal section of the annular boss 2011 is arc-shaped, the annular boss 2011 and the polished rod 4 of the pumping unit directly abut against and are connected with the top end and the bottom end edge of the second through hole 201, the arrangement of the annular boss 2011 increases the contact area between the polished rod 4 of the pumping unit and the upper disk 2 of the polished rod eye, so that the radial pressure applied to the polished rod 4 of the pumping unit by the upper disk 2 of the polished rod eye on a unit area is reduced, in addition, when the polished rod 4 of the pumping unit is under larger radial pressure, the polished rod 4 of the pumping unit can carry the upper disk 2 of the polished rod eye to translate for a certain distance in the horizontal direction at the first through hole 101 of the, the accident that the polished rod 4 of the pumping unit in the non-centering position is fatigued and broken due to overlarge radial pressure is avoided.

Secondly, because the annular boss 2011 of the polished rod 4 of the pumping unit on the polished rod 2 exerts radial pressure on the polished rod 4 of the pumping unit in the reciprocating motion process, the polished rod 4 of the pumping unit tends to the centering position in the reciprocating motion process under the action of the radial pressure, the real-time adjustable capacity of the centering position of the polished rod 4 of the pumping unit is improved, the centering rate is improved, and the service life of the polished rod 4 of the pumping unit is prolonged.

Thirdly, a first opening 102 communicated with the first through hole 101 is formed in the side wall of the lower disc 1 of the rope hanger, and a first sealing baffle 9 for plugging the first opening 102 is arranged in the rope hanger; a second opening communicated with the second through hole 201 is formed in the side wall of the upper disc 2 of the rope hanger, and a second sealing baffle 10 for plugging the second opening is arranged, so that the rope hanger can be conveniently mounted and dismounted.

Fourthly, when the deviation of the centering position of the polished rod 4 of the pumping unit is too large, the relative position relation between the polished rod 4 of the pumping unit and the lower disc 1 and the upper disc 2 of the polished rod eye can be found in time by workers, so that the centering adjustment can be carried out in time, and the pumping unit is ensured to be in a safe and stable working state.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims

1. A rope hanger, it connects the below at beam-pumping unit horse head through lifting rope (5), its characterized in that, the rope hanger includes:

the rope hanger lower disc (1) is connected with the bottom end of the lifting rope (5), and a first through hole (101) penetrating through the rope hanger lower disc (1) in the vertical direction is formed in the rope hanger lower disc (1);

the polished rod eye upper disc (2) is provided with a second through hole (201) which penetrates through the polished rod eye upper disc (2) along the vertical direction, the polished rod eye upper disc (2) is placed at the top of the polished rod eye lower disc (1), the second through hole (201) is correspondingly communicated with the first through hole (101), the pumping unit polished rod (4) sequentially penetrates through the second through hole (201) and the first through hole (101) from top to bottom, an annular boss (2011) with an arc-shaped longitudinal section is arranged on the inner wall of the second through hole (201) along the circumferential direction of the second through hole (201), and gaps are reserved between the outer wall of the pumping unit polished rod (4) and the inner walls of the annular boss (2011) and the first through hole (101);

mounting (3), its fixed cover is established the outside of beam-pumping unit polished rod (4), mounting (3) are located the top of polished rod eye hanging wall (2), the bottom of mounting (3) with the top of polished rod eye hanging wall (2) is supported and is leaned on the connection.

2. The rope hanger according to claim 1, characterized in that the rope hanger bottom plate (1) is a long strip-shaped block-shaped structure arranged along the horizontal direction, the first through hole (101) is arranged in the middle of the rope hanger bottom plate (1), a first opening (102) communicated with the first through hole (101) is arranged on the side wall of the rope hanger bottom plate (1), the first opening (102) penetrates through the rope hanger bottom plate (1) along the vertical direction, and a first sealing baffle (9) is fixedly arranged at the first opening (102).

3. The rope hanger of claim 2, wherein the upper portions of the two opposite side inner walls of the first opening (102) are respectively provided with a fixing groove (103), and the two opposite side edges of the first sealing baffle (9) are fixedly embedded in the corresponding fixing grooves (103).

4. The rope hanger according to claim 2, characterized in that a first recess (901) is provided on the side wall of the first closure flap (9), and the first recess (901) cooperates with the inner wall of the first through hole (101) to form a closed cylindrical through hole.

5. The rope hanger of claim 1, wherein the rope hanger upper plate (2) is a rectangular block-shaped structure arranged along a horizontal direction, the second through hole (201) is formed in the middle of the rope hanger upper plate (2), a second opening communicated with the second through hole (201) is formed in the side wall of the rope hanger upper plate (2), the second opening penetrates through the rope hanger upper plate (2) along a vertical direction, and a second sealing baffle (10) is fixedly arranged at the second opening.

6. The rope hanger according to claim 5, characterized in that the second closing baffle (10) is provided with screws (11) near two opposite side edges, and the second closing baffle (10) is fixed on the upper hanger plate (2) through the screws (11).

7. The rope hanger according to claim 5, characterized in that a second recess (1001) is provided on the sidewall of the second closure flap (10), and the second recess (1001) cooperates with the inner wall of the second through hole (201) to form a closed cylindrical through hole.

8. A rope hanger according to claim 1 wherein the number of the lifting ropes (5) is two, and two of the lifting ropes (5) are correspondingly connected to the hanger bottom plate (1) near two opposite side edges.

9. The rope hanger according to claim 8, wherein through grooves (104) are respectively formed in two opposite side edges of the rope hanger lower disc (1) in the vertical direction, two lifting ropes (5) penetrate through the corresponding through grooves (104) from top to bottom, a limiting block (6) is fixedly arranged at the bottom end of each lifting rope (5), the limiting block (6) is clamped at the bottom of the rope hanger lower disc (1), and a sealing pin (7) is fixedly arranged at an opening of each through groove (104).

10. The rope hanger according to claim 9, characterized in that the sealing pin (7) is arranged along a horizontal direction, two ends of the sealing pin (7) are fixedly connected with two inner walls of the through slot (104), and the lifting rope (5) is movably clamped between the through slot (104) and the sealing pin (7).

11. The rope hanger of claim 1, characterized in that the fixing member (3) is a square clip, the square clip is fixedly sleeved on the outer side of the pumping unit polish rod (4), the inner wall of the square clip is tightly attached to the outer wall of the pumping unit polish rod (4), and a fastening bolt (8) is screwed at the opening of the square clip.

12. The rope hanger of claim 1, characterized in that the hanger upper disc (2) is integrally connected with the annular boss (2011).