CN106437627B

CN106437627B - Double-abdication vertical type supporting suspended weight assembly and double-abdication vertical type chain oil pumping unit

Info

Publication number: CN106437627B
Application number: CN201610760828.6A
Authority: CN
Inventors: 季祥云; 高升; 张学海; 段美言玺; 董国建
Original assignee: Xinjiang Yongsheng Juyuan Petroleum Machinery Co ltd
Current assignee: Xinjiang Yongsheng Juyuan Petroleum Machinery Co ltd
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2023-03-21
Anticipated expiration: 2036-08-30
Also published as: CN106437627A

Abstract

The invention relates to the technical field of oil pumping devices, in particular to a double-abdicating vertical type supporting suspended weight assembly and a double-abdicating vertical type chain oil pumping unit, which comprises an inclined base, an oil pumping rack, a motor seat and a hinged shaft, wherein the inclined base is inclined, the rear end of the hinged shaft sequentially penetrates through hinged parts from front to back, and a turnover angle is arranged between contact surfaces corresponding to the hinged parts; symmetrical rolling guide rails are respectively fixed on the upper end faces of the front side and the rear side of the oil pumping machine frame, and the front end and the rear end of the crown gear shaft are respectively limited and installed on the left side of the upper ends of the rolling guide rails through hinged clamps. According to the invention, the oil pumping rack and the inclined base are hinged through the hinge shaft, so that the oil pumping rack can rotate around the hinge shaft, and the oil pumping rack is rotated for carrying out overhaul abdication without complete machine displacement; the oil pumping machine frame is prevented from rotating and offside when abdicating, and the centralizing effect is good and the stability is strong; the overhead sheave abdication is realized by driving the overhead sheave shaft to roll leftwards along the guide rail, and the resistance is small; has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.

Description

Double-abdication vertical type supporting suspended weight assembly and double-abdication vertical type chain oil pumping unit

Technical Field

The invention relates to the technical field of oil pumping devices, in particular to a double-abdicating vertical type supporting suspended weight assembly and a double-abdicating vertical type chain oil pumping unit.

Background

The current well repairing operation comprises minor repairing operation and major repairing operation, wherein the minor repairing operation requires a well mouth as a center, a maintaining space with a radius of at least 0.8 m is arranged above the well mouth, and the major repairing operation requires the radius of at least about 2 m. The current workover space to vertical chain beam-pumping unit gives way mainly has two kinds of modes: one mode is complete machine displacement, the abdicating mode is suitable for large-scale repair operation, various large and medium-scale maintenance equipment needs to be equipped in the complete machine displacement process, and the complete machine displacement process consumes manpower and material resources, has high labor intensity, poor safety and overhigh well repair cost; the other is a head sheave retreating abdication suitable for minor repair operation; the head sheave and the shaft seat arranged at the top end of the oil pumping frame are integrally moved to one side deviating from the well mouth along the upper end of the frame body for abdicating, compared with integral abdicating, the operation is simpler, but the resistance is larger when the bearing seat is in sliding friction with the top end of the oil pumping frame, the pushing is not easy, and the operation is time-consuming and labor-consuming; moreover, when the head sheave is moved to the side deviating from the well mouth, the head sheave needs to be bound and positioned with the oil pumping machine frame, so that the head sheave is not firm enough and has poor safety; therefore, the existing vertical chain pumping unit has the following defects in the actual use process: the major repair abdication operation needs complete machine shift abdication, the construction efficiency is lower, the construction difficulty is high, and potential safety hazards exist; the minor repair abdicating operation needs operators to ascend and push the head sheave, and has the defects of great labor and force consumption, poor stability and poor safety.

Disclosure of Invention

The invention provides a double-abdication vertical type supporting suspension weight assembly and a double-abdication vertical type chain pumping unit, which overcome the defects of the prior art and can effectively solve the following defects in the actual use process of the conventional vertical type chain pumping unit: the major repair abdication operation needs complete machine shift abdication, the construction efficiency is lower, the construction difficulty is high, and potential safety hazards exist; minor repair abdication needs the operating personnel to ascend and pass the head sheave, has the problem that takes trouble and laboursome, poor stability, security are poor.

One of the technical schemes of the invention is realized by the following measures: a double-abdication vertical type supporting suspended weight assembly comprises a tilting base, an oil pumping rack, a motor base, a hinged shaft and a rolling guide rail, wherein the top surface of the tilting base is in a tilting shape with a lower left part and a higher right part; a right front hinging block and a right rear hinging block are fixed at the front and back of the left end of the motor base at intervals, a left front hinging block and a left rear hinging block are respectively fixed on the right side of the lower end of the oil pumping rack corresponding to the positions of the right front hinging block and the right rear hinging block, a right front limiting block is fixed on the left end surface of the front side of the right front hinging block, a left front limiting block is fixed on the left front hinging block corresponding to the position of the rear side of the right front limiting block, a right rear limiting block is fixed on the left end surface of the rear side of the right rear hinging block, a left rear limiting block is fixed on the left rear hinging block corresponding to the position of the front side of the right rear limiting block, the rear end of the hinging shaft sequentially passes through the right front limiting block, the left rear limiting block and the right rear limiting block from front to back, the rear end of the hinging shaft is positioned on the rear side of the rear right rear limiting block, a right end surface of the left front limiting block and the right front limiting block corresponding to the right limiting block are arranged above the hinging shaft, a right end surface of the left front limiting block and a right limiting block corresponding position, and a left rear limiting angle of the left limiting block are formed between the right limiting block and a left limiting block which can rotate clockwise; symmetrical rolling guide rails are respectively fixed on the upper end faces of the front side and the rear side of the oil pumping machine frame, hinge seats which correspond to the front side and the rear side are respectively fixedly installed on the left side of the upper end of each rolling guide rail, hinge clamps which can be opened leftwards in a rotating mode are respectively installed on the hinge seats through hinge pins, and the right ends of the hinge clamps are fixedly installed on the rolling guide rails through detachable components; the front end and the rear end of the crown block shaft are respectively limited and arranged on the left side of the upper end of the rolling guide rail through a hinged hoop; the drum head sheave is mounted in the middle of the head sheave shaft through a bearing and is positioned between the front side frame and the rear side frame.

The following is further optimization or/and improvement of the technical scheme of the invention:

the front end and the rear end of the crown wheel shaft can be respectively fixed with a rotary shaft head with a polygonal section, which is convenient for clamping a wrench tool.

The included angle between the upper end surface of the inclined base and the horizontal line can be 6-8 degrees, and the left end surfaces of the right front limiting block and the right rear limiting block which correspond to the positions above the axis of the articulated shaft are inclined towards the lower left; the right end surfaces of the left front limiting block and the left rear limiting block which correspond to the positions above the axis of the articulated shaft are inclined towards the lower right, and the turning angle is 10 degrees.

A front limiting baffle and a rear limiting baffle are fixed on the left end face of the lower part of the oil pumping rack at intervals from front to back, a righting ladder is arranged between the front limiting baffle and the rear limiting baffle, a horizontal limiting plate positioned below the middle parts of the front limiting baffle and the rear limiting baffle is fixed on the left side of the oil pumping rack, the bottom end of the righting ladder is seated on the horizontal limiting plate, and lower limiting blocks positioned on the left side of the righting ladder are respectively fixed on the left side of the front righting baffle and the left side of the rear righting baffle corresponding to the positions of the horizontal limiting plates; the left side of the inclined base is fixed with a horizontal base, the upper part of the horizontal base corresponding to the position of the righting ladder is provided with a limit groove, the upper end of the righting ladder is provided with a horizontal beam positioned between a front limit baffle and a rear limit baffle, and the lower end of the left side of the oil pumping rack corresponding to the position of the horizontal beam is fixed with righting lifting lugs at intervals.

The detachable component can adopt a fixing screw; the hinged hoops are semicircular hoops protruding upwards, and two ends of the head sheave shaft are respectively positioned in the hinged hoops on two sides; a horizontal tongue plate is fixed at the right end of the hinged hoop, and a connecting hole is arranged on the tongue plate; the rolling guide rail corresponding to the connecting hole is provided with a threaded hole, a fixing screw capable of fixing the tongue plate on the rolling guide rail is fixedly arranged in the connecting hole and the threaded hole through threads, and the right side of the upper end of the rolling guide rail is fixedly provided with a limiting stop pin.

The second technical scheme of the invention is realized by the following measures:

a double-abdication vertical chain pumping unit comprises a power transmission assembly, a reversing assembly, a balancing assembly and any one of the double-abdication vertical supporting suspended weight assemblies, wherein the power transmission assembly, the reversing assembly and the balancing assembly are arranged in a pumping rack and on a motor base.

The oil pumping machine frame is reasonable and compact in structure and convenient to use, can rotate around the inclined foundation through the hinged shaft to avoid the defect that the whole machine needs to be moved in overhaul operation, saves manpower and material resources, improves the operation efficiency and enhances the safety of the overhaul operation; the overturning angle is arranged between the hinged parts, so that the oil pumping machine frame is prevented from rotating and offseting when the oil pumping machine frame performs abdicating, and the well repairing abdicating operation is quicker and more convenient; the left front hinged block and the left rear hinged block which are fixed on the oil pumping machine frame are both positioned between the right front hinged block and the right rear hinged block, so that the oil pumping machine frame is prevented from swinging back and forth during rotation, a good righting effect is achieved, and the safety of the oil pumping machine frame is further enhanced; the front side and the rear side of the oil pumping rack are hinged with the inclined base through the integrally arranged hinge shaft, so that the front side and the rear side of the oil pumping rack can synchronously rotate during abdication, the oil pumping rack is further prevented from generating deflection displacement in the rotating process, and the stability of the oil pumping rack is improved; the overhead sheave abdication is realized by driving the overhead sheave shaft to roll leftwards along the guide rail; rolling friction is generated between the head sheave shaft and the rolling guide rail, so that the resistance is small, the operation is time-saving and labor-saving, and the labor intensity is low; lifting is not needed in the abdicating operation process, the cost is low, and the safety and the reliability are realized; has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.

Drawings

Fig. 1 is a schematic partial sectional structure view in front view of embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of a part of an enlarged structure in a top view in fig. 1.

Fig. 3 is a schematic view of a part of the enlarged structure in the direction B of fig. 1.

Fig. 4 is a schematic structural diagram of fig. 1 after righting and abdicating.

Fig. 5 is a schematic view of a part of the structure from B to C in fig. 1.

Fig. 6 is a left side view of the structure of fig. 5.

The codes in the figures are respectively: the oil pumping unit comprises a tilting base 1, an oil pumping machine frame 2, a motor seat 3, a hinge shaft 4, a right front hinge block 5, a right rear hinge block 6, a left front hinge block 7, a left rear hinge block 8, a right front limit block 9, a left front limit block 10, a right rear limit block 11, a left rear limit block 12, a cushion block 13, a fastening nut 14, a front limit baffle 15, a rear limit baffle 16, a centering ladder 17, a horizontal limit plate 18, a lower limit block 19, a horizontal base 20, a limit groove 21, a horizontal beam 22, a centering lifting lug 23, a mounting lug 24, a channel steel 25, a strip-shaped mounting hole 26, a mounting groove 27, a rolling guide rail 28, a hinge seat 29, a hinge pin shaft 30, a hinge pin 31, a sun gear shaft 32, a sun gear 33, a horn tongue plate 34, a fixing screw 35, a limit stop pin 36 and a rotary latch 37.

Detailed Description

The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.

In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.

The invention is further described with reference to the following examples and figures:

example 1: as shown in the attached

drawings

1, 2, 3, 4, 5 and 6, the double-abdicating vertical type supporting suspended weight assembly comprises an inclined base 1, an oil pumping rack 2, a motor base 3 and a hinge shaft 4, wherein the top surface of the inclined base 1 is in an inclined shape with a lower left and a higher right, the motor base 3 is fixedly installed on the upper end surface of the right side of the inclined base 1, and the oil pumping rack 2 is fixedly installed on the inclined base 1 corresponding to the left side of the motor base 3; a right front hinging block 5 and a right rear hinging block 6 are fixed at the front and rear of the left end of the motor base 3 at intervals, a left front hinging block 7 and a left rear hinging block 8 are respectively fixed on the right side of the lower end of the oil pumping rack 2 corresponding to the positions of the right front hinging block 5 and the right rear hinging block 6, a right front limiting block 9 is fixed on the left end surface of the front side of the right front hinging block 5, a left front limiting block 10 is fixed on the left front hinging block 7 corresponding to the rear side of the right front limiting block 9, a right rear limiting block 11 is fixed on the left end surface of the rear side of the right rear hinging block 6, a left rear limiting block 12 is fixed on the left rear hinging block 8 corresponding to the front side of the right rear limiting block 11, the rear end of the hinging shaft 4 sequentially passes through the right front limiting block 9, the left front limiting block 10, the left rear limiting block 12 and the right rear limiting block 11 from front to rear, the rear end of the hinging shaft 4 is positioned on the rear side of the right rear limiting block 11, a left end surface of the right rear limiting block 9 corresponding to the position above the axis of the hinging shaft 4 and a left front limiting block 7, a left limiting block 10 and a left limiting block 11 corresponding to a left limiting angle is formed between the left front limiting block and a right rear limiting block 11, and a left limiting block 8 corresponding to a left limiting angle between the right rear limiting block 6 and a left limiting block 8 of the left limiting block 6, and a right rear limiting block 11; the upper end surfaces of the front side and the rear side of the oil pumping machine frame 2 are respectively fixed with symmetrical rolling guide rails 28, the left side of the upper end of each rolling guide rail 28 is respectively fixedly provided with a hinge seat 29 which corresponds to the front side and the rear side, a hinge hoop 31 which can rotate and open leftwards is respectively arranged on each hinge seat 29 through a pin shaft 30, and the right end of each hinge hoop 31 is fixedly arranged on each rolling guide rail 28 through a detachable component; the front end and the rear end of the crown block shaft 32 are respectively limited and arranged on the left side of the upper end of the rolling guide rail 28 through a hinged hoop 31; head sheave 33 is mounted on the center of head sheave shaft 32 via a bearing and is located between the front and rear side frames.

When the invention is used for overhaul operation, firstly the fixing piece between the oil pumping rack 2 and the inclined base 1 is removed, then pushing force or pulling force is applied to the oil pumping rack 2 to enable the oil pumping rack to rotate clockwise around the hinge shaft 4, after four positions between the left end surface of the right front limiting block 9 and the left front hinge block 7 at the corresponding position, between the right end surface of the left front limiting block 10 and the right front hinge block 5 at the corresponding position, between the right end surface of the left rear limiting block 12 and the right rear hinge block 6 at the corresponding position and between the left end surface of the right rear limiting block 11 and the left rear hinge block 8 are tightly closed, the cushion block 13 is placed between the left side of the lower end of the oil pumping rack 2 and the inclined base 1, the left end of the oil pumping rack 2 is tightly pressed on the cushion block 13, the oil pumping rack 2 is integrally vertical, and then the oil pumping rack 2 and the inclined base 1 are fixed by the fixing piece; the defect that the whole machine must be moved in the overhaul operation is avoided, manpower and material resources are saved, the operation efficiency is improved, and the safety of the overhaul operation is enhanced; the overturning angle is arranged between the hinged parts, so that the oil pumping machine frame 2 is prevented from inclining and offseting when rotating and offseting are carried out, and the well repairing and offseting operation is quicker and more convenient; the left front hinged block 7 and the left rear hinged block 8 which are fixed on the oil pumping rack 2 are both positioned between the right front hinged block 5 and the right rear hinged block 6, so that the oil pumping rack 2 is prevented from swinging back and forth during rotation, a good righting effect is achieved, and the safety of the oil pumping rack is further enhanced; the front side and the rear side of the oil pumping machine frame 2 are hinged with the inclined base 1 by adopting the hinge shaft 4 which is integrally arranged, so that the front side and the rear side of the oil pumping machine frame 2 can synchronously rotate during abdicating, the oil pumping machine frame 2 is further prevented from generating deflection displacement in the rotating process, and the stability of the invention is improved; when the movable overhead sheave abdicating device is used for minor repair abdicating, the detachable component can be detached and taken down, the hinged hoop 31 is opened by rotating leftwards, and the abdicating of the overhead sheave 33 is realized by driving the overhead sheave shaft 32 to roll rightwards along the guide rail; rolling friction is generated between the head sheave shaft 32 and the rolling guide rail 28, so that the resistance is small, the operation is time-saving and labor-saving, and the labor intensity is low; lifting is not needed in the abdicating operation process, the cost is low, and the safety and the reliability are realized.

The double-abdication vertical chain pumping unit can be further optimized or/and improved according to actual requirements:

as shown in fig. 1, 2, 3, 4, 5 and 6, the front and rear ends of the head sheave shaft 32 are respectively fixed with a rotary shaft head 37 with a polygonal cross section for facilitating the clamping of a wrench tool. In order to enable the working personnel to more conveniently drive the crown pulley shaft 32 to roll and give way, an elongated wrench can be used, and a clamping part of the wrench is circumferentially and limitedly arranged on the rotating shaft head 37; the staff only need to rotate the operation through the spanner on the ground, can realize the crown gear shaft 32 rolls; the operation of ascending a height is not needed, and the safety is higher.

The front and rear ends of the crown wheel shaft 32 are respectively fixed with a rotary shaft head 37 with a polygonal section for facilitating the clamping of a wrench tool. For convenient operation, can be with the help of an operation instrument that can exert the torque to head sheave axle 32, this operation instrument includes operation handle pole and connection spacing head, connects and is equipped with the bolt that corresponds with the axial jack on the spacing head, inserts through the bolt and makes operation instrument and head sheave axle 32 circumference spacing in the axial jack, and the staff only need at this moment carry out the rotation operation to it through the operation handle pole subaerial can, simple and convenient, the security is high.

The included angle between the upper end surface of the inclined base 1 and the horizontal line is 6-8 degrees, and the left end surfaces of the right front limiting block 9 and the right rear limiting block 11 which correspond to the positions above the axis of the articulated shaft 4 are inclined towards the lower left; the right end faces of the left front limiting block 10 and the left rear limiting block 12 corresponding to the position above the axis of the articulated shaft 4 are inclined towards the lower right, and the turnover angle is 10 degrees. The included angle between the upper end surface of the inclined base 1 and the horizontal line is set to be 6-8 degrees, so that the stability of the oil pumping machine frame 2 with the bottom end seat on the inclined base 1 during normal operation is guaranteed, and the upper part of the oil pumping machine frame 2 can give out enough maintenance space for overhaul operation when the oil pumping machine frame is rotated to give way; can carry out the cutting with the angle with the corresponding up end of stopper 9 before the right side, right back stopper 11, stopper 10 before the left side and stopper 12 after the left side to satisfy the upset demand, this flip angle can set up to 10, is greater than the contained angle between above-mentioned tilt base 1 up end and the water flat line, when oil pumping frame 2 overturns to spacingly, the operating personnel of being convenient for put into cushion 13, convenient operation in the position between oil pumping frame 2 left side below and tilt base 1 upper end.

A front limit baffle 15 and a rear limit baffle 16 are fixed on the left end face of the lower part of the oil pumping machine frame 2 at intervals from front to back, a righting ladder 17 is arranged between the front limit baffle 15 and the rear limit baffle 16, a horizontal limit plate 18 positioned below the middle parts of the front limit baffle 15 and the rear limit baffle 16 is fixed on the left side of the oil pumping machine frame 2, the bottom end of the righting ladder 17 is seated on the horizontal limit plate 18, and a lower limit block 19 positioned on the left side of the righting ladder 17 is respectively fixed on the left side of the front limit baffle and the left side of the rear limit baffle corresponding to the position of the horizontal limit plate 18; a horizontal base 20 is fixed on the left side of the inclined base 1, a limiting groove 21 is formed in the upper portion of the horizontal base 20 corresponding to the position of the righting ladder 17, a horizontal beam 22 located between a front limiting baffle 15 and a rear limiting baffle 16 is arranged at the upper end of the righting ladder 17, and righting lifting lugs 23 are fixed on the lower end of the left side of the oil pumping machine frame 2 corresponding to the position of the horizontal beam 22 at intervals. The oil pumping machine frame 2 can be rotated by utilizing the righting ladder 17, and the operation is as follows: firstly, fixing the lower end of a righting ladder 17 in a limiting groove 21, and enabling the upper end of the righting ladder 17 to lean against the left side of the oil pumping machine frame 2 between a front righting baffle and a rear righting baffle; and then, two chain blocks are respectively utilized to connect the righting lifting lugs 23 on the front side and the rear side with the horizontal beam 22 at the corresponding positions, then the two chain blocks are simultaneously tightened, and the chain blocks upwards pull the left side of the oil pumping rack 2, so that the oil pumping rack 2 rotates clockwise around the hinge shaft 4. The front limit baffle 15 and the rear limit baffle 16 play a role in preventing the front and rear direction deviation of the righting ladder 17 in the righting process; meanwhile, the centralizing ladder 17 and the oil pumping machine frame 2 are integrally stored, so that the occupied area is saved, and the operation is convenient.

The detachable component adopts a fixing screw 35; the hinged hoop 31 is a semicircular hoop protruding upwards, and two ends of the head sheave shaft 32 are respectively positioned in the hinged hoops 31 on two sides; a horizontal tongue plate 34 is fixed at the right end of the hinged hoop 31, and a connecting hole is formed in the tongue plate 34; the rolling guide rail 28 corresponding to the connecting hole is provided with a threaded hole, a fixing screw 35 capable of fixing the tongue plate 34 on the rolling guide rail 28 is fixedly arranged in the connecting hole and the threaded hole through threads, and a limit stop pin 36 is fixedly arranged on the right side of the upper end of the rolling guide rail 28. The tongue plate 34 and the rolling guide rail 28 are connected through the fixing screws 35, so that the operation is simple and convenient; the limiting stop pin 36 plays a role in limiting the rolling of the head sheave shaft 32, prevents the head sheave shaft 32 from derailing and is safer.

Example 2: a double-abdication vertical chain pumping unit comprises a power transmission assembly, a reversing assembly, a balancing assembly and any one of the double-abdication vertical supporting suspended weight assembly, wherein the power transmission assembly, the reversing assembly and the balancing assembly are arranged in a pumping machine frame 2 and on a motor base 3. The power transmission assembly, the reversing assembly and the balance assembly are arranged and connected with the pumping rack 2 and the motor base 3 by adopting the assembly installation and connection mode of the prior known vertical chain pumping unit; when the invention is used for overhaul operation, firstly the fixing piece between the oil pumping rack 2 and the inclined base 1 is removed, then pushing force or pulling force is applied to the oil pumping rack 2 to enable the oil pumping rack to rotate clockwise around the hinge shaft 4, after four positions between the left end surface of the right front limiting block 9 and the left front hinge block 7 at the corresponding position, between the right end surface of the left front limiting block 10 and the right front hinge block 5 at the corresponding position, between the right end surface of the left rear limiting block 12 and the right rear hinge block 6 at the corresponding position and between the left end surface of the right rear limiting block 11 and the left rear hinge block 8 are tightly closed, the cushion block 13 is placed between the left side of the lower end of the oil pumping rack 2 and the inclined base 1, the left end of the oil pumping rack 2 is tightly pressed on the cushion block 13, the oil pumping rack 2 is integrally vertical, and then the oil pumping rack 2 and the inclined base 1 are fixed by the fixing piece; the defect that the whole machine must be moved in the overhaul operation is avoided, manpower and material resources are saved, the operation efficiency is improved, and the safety of the overhaul operation is enhanced; the overturning angle is arranged between the hinged parts, so that the oil pumping machine frame 2 is prevented from inclining and offseting when rotating and offseting are carried out, and the well repairing and offseting operation is quicker and more convenient; the left front hinged block 7 and the left rear hinged block 8 fixed on the oil pumping machine frame 2 are both positioned between the right front hinged block 5 and the right rear hinged block 6, so that the oil pumping machine frame 2 is prevented from swinging back and forth during rotation, a good righting effect is achieved, and the safety of the oil pumping machine is further enhanced; the front side and the rear side of the oil pumping machine frame 2 are hinged with the inclined base 1 by adopting the hinge shaft 4 which is integrally arranged, so that the front side and the rear side of the oil pumping machine frame 2 can synchronously rotate during abdicating, the oil pumping machine frame 2 is further prevented from generating deflection displacement in the rotating process, and the stability of the invention is improved; when the movable overhead sheave abdicating device is used for minor repair abdicating, the detachable component can be detached and taken down, the hinged hoop 31 is opened by rotating leftwards, and the abdicating of the overhead sheave 33 is realized by driving the overhead sheave shaft 32 to roll rightwards along the guide rail; rolling friction is generated between the head sheave shaft 32 and the rolling guide rail 28, so that the resistance is small, the operation is time-saving and labor-saving, and the labor intensity is low; lifting is not needed in the abdicating operation process, the cost is low, and the safety and the reliability are realized.

The above technical features constitute a preferred embodiment of the present invention, which has strong adaptability and better implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims

1. A double-abdication vertical type supporting suspended weight assembly is characterized by comprising an inclined base, an oil pumping rack, a motor base, a hinged shaft and a rolling guide rail, wherein the top surface of the inclined base is in an inclined shape with a lower left part and a higher right part; a right front hinging block and a right rear hinging block are fixed at the front and back of the left end of the motor base at intervals, a left front hinging block and a left rear hinging block are respectively fixed on the right side of the lower end of the oil pumping rack corresponding to the positions of the right front hinging block and the right rear hinging block, a right front limiting block is fixed on the left end surface of the front side of the right front hinging block, a left front limiting block is fixed on the left front hinging block corresponding to the position of the rear side of the right front limiting block, a right rear limiting block is fixed on the left end surface of the rear side of the right rear hinging block, a left rear limiting block is fixed on the left rear hinging block corresponding to the position of the front side of the right rear limiting block, the rear end of the hinging shaft sequentially passes through the right front limiting block, the left rear limiting block and the right rear limiting block from front to back, the rear end of the hinging shaft is positioned on the rear side of the rear right rear limiting block, a right end surface of the left front limiting block and the right front limiting block corresponding to the right limiting block are arranged above the hinging shaft, a right end surface of the left front limiting block and a right limiting block corresponding position, and a left rear limiting angle of the left limiting block are formed between the right limiting block and a left limiting block which can rotate clockwise; symmetrical rolling guide rails are respectively fixed on the upper end faces of the front side and the rear side of the oil pumping machine frame, hinge seats which correspond to the front side and the rear side are respectively fixedly installed on the left side of the upper end of each rolling guide rail, hinge clamps which can be opened leftwards in a rotating mode are respectively installed on the hinge seats through hinge pins, and the right ends of the hinge clamps are fixedly installed on the rolling guide rails through detachable components; the front end and the rear end of the crown block shaft are respectively limited and arranged on the left side of the upper end of the rolling guide rail through a hinged hoop; the drum head sheave is mounted in the middle of the head sheave shaft through a bearing and is positioned between the front side frame and the rear side frame.

2. The double-abdicating vertical type supporting suspended weight assembly according to claim 1, wherein the front end and the rear end of the crown pulley shaft are respectively fixed with a rotating shaft head with a polygonal cross section for facilitating the clamping of a wrench tool.

3. The double-abdicating vertical type supporting suspended weight component as claimed in claim 1, wherein the included angle between the upper end surface of the inclined base and the horizontal line is 6 ° to 8 °, and the left end surfaces of the right front limiting block and the right rear limiting block corresponding to the positions above the axis of the hinge shaft are both inclined towards the lower left; the right end surfaces of the left front limiting block and the left rear limiting block which correspond to the positions above the axis of the articulated shaft are inclined towards the lower right, and the turning angle is 10 degrees.

4. The double-abdicating vertical type supporting suspension weight assembly according to claim 1, 2 or 3, characterized in that a front limit baffle and a rear limit baffle are fixed on the left end surface of the lower part of the oil pumping machine frame at intervals from front to back, a righting ladder is arranged between the front limit baffle and the rear limit baffle, a horizontal limit plate is fixed on the left side of the oil pumping machine frame and is positioned below the middle parts of the front limit baffle and the rear limit baffle, the bottom end of the righting ladder is seated on the horizontal limit plate, and a lower limit block is fixed on the left side of the righting ladder on the left side of the front limit baffle and the left side of the rear limit baffle corresponding to the horizontal limit plate; the left side of the inclined base is fixed with a horizontal base, the upper part of the horizontal base corresponding to the position of the righting ladder is provided with a limit groove, the upper end of the righting ladder is provided with a horizontal beam positioned between a front limit baffle and a rear limit baffle, and the lower end of the left side of the oil pumping rack corresponding to the position of the horizontal beam is fixed with righting lifting lugs at intervals.

5. The double-abdication vertical support pendant assembly of claim 1, 2 or 3, wherein the removable assembly employs set screws; the hinged hoops are semicircular hoops protruding upwards, and two ends of the head sheave shaft are respectively positioned in the hinged hoops on two sides; a horizontal tongue plate is fixed at the right end of the hinged hoop, and a connecting hole is arranged on the tongue plate; the rolling guide rail corresponding to the connecting hole is provided with a threaded hole, a fixing screw capable of fixing the tongue plate on the rolling guide rail is fixedly arranged in the connecting hole and the threaded hole through threads, and the right side of the upper end of the rolling guide rail is fixedly provided with a limiting stop pin.

6. A double-abdication vertical chain pumping unit using the double-abdication vertical support suspended weight assembly of claim 1, 2, 3, 4 or 5, characterized in that: the oil pumping machine comprises a power transmission assembly, a reversing assembly, a balancing assembly and a double-abdicating vertical type supporting suspension weight assembly, wherein the power transmission assembly, the reversing assembly and the balancing assembly are arranged in an oil pumping machine frame and on a motor base.