CN221002642U - Self-abdication derrick of hydraulic pumping unit - Google Patents
Self-abdication derrick of hydraulic pumping unit Download PDFInfo
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- CN221002642U CN221002642U CN202322748136.8U CN202322748136U CN221002642U CN 221002642 U CN221002642 U CN 221002642U CN 202322748136 U CN202322748136 U CN 202322748136U CN 221002642 U CN221002642 U CN 221002642U
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- 238000005086 pumping Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 239000004568 cement Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 230000008093 supporting effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 7
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012857 repacking Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a self-yielding derrick of a hydraulic pumping unit, which comprises a movable base and a rack, wherein the rack is arranged on the movable base; the upper end of the rack is provided with a centering adjustment mechanism, and the upper end of the centering adjustment mechanism is provided with a lifting hydraulic cylinder; and a piston rod of the lifting hydraulic cylinder is connected with the polished rod through a polished rod connecting mechanism. When the utility model is used, the original wellhead four-way and blowout prevention box are reserved, so that wellhead safety is ensured; through setting up centering adjustment mechanism, guarantee that pneumatic cylinder and well head are coaxial, prevent the hydraulic oil leakage condition that the piston rod is worn out to cause partially; and the base is matched with the driving device, so that the frame can automatically give way during well repair, and the work load of well repair preparation is reduced.
Description
Technical Field
The utility model relates to the technical field of oil pumping machine derricks, in particular to a self-yielding derrick of a hydraulic oil pumping machine.
Background
At present, the beam pumping unit is mostly adopted for oil extraction in the oil field, and the limitations of huge volume, large occupied land and the like exist. The developed hydraulic pumping unit has the characteristics of convenient parameter adjustment, compact structure of the whole machine, low energy consumption and the like, and can better exert the potential of an oil well. With popularization of the hydraulic pumping unit, the wellhead maintenance problem of the hydraulic pumping unit is gradually revealed, and the wellhead maintenance efficiency of the hydraulic pumping unit is improved by the self-yielding derrick of the hydraulic pumping unit.
Publication (bulletin) number: CN106437627B discloses a double-abdication vertical support suspended weight assembly and a double-abdication vertical chain pumping unit, which comprises an inclined base, a pumping unit frame, a motor base and a hinge shaft, wherein the inclined base is inclined, the rear end of the hinge shaft sequentially passes through the hinge component from front to back, and a turnover angle is arranged between contact surfaces of the corresponding hinge components; symmetrical rolling guide rails are respectively fixed on the upper end surfaces 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 block are respectively and limitedly arranged on the left side of the upper end of the rolling guide rails through hinged clamps. According to the utility model, the oil pumping machine frame and the inclined base are hinged through the hinge shaft, so that the oil pumping machine frame can rotate around the hinge shaft, and the oil pumping machine frame is rotated for overhaul and abdication without complete machine displacement; the rotating offside of the oil pumping rack is prevented when the oil pumping rack is in the abdication, the righting effect is good, and the stability is strong; the head sheave is abducted in a mode of driving the head sheave shaft to roll leftwards along the guide rail, so that the resistance is small; has the characteristics of safety, labor saving, simplicity and convenience and high efficiency.
This prior art repacking beam-pumping unit makes beam-pumping unit itself have let the potential energy ability, but the beam-pumping unit body after the repacking is huge, and the upper end also is provided with the heavy object, if take place to empty when rotatory stepping down and can cause great loss and casualties.
Publication (bulletin) number: CN204591226U discloses a novel beam-free pumping unit. The device consists of a rope hanger, a belt pulley, a speed reducer, a motor, an upper platform, a hinge device, a counterweight combination, a frame, an integrated safety bar, a steel wire rope, a winding device and a concrete foundation. The frame is used as a carrier of the oil pumping unit and is connected with the upper platform, a speed reducer connected with the motor is arranged on the central line of the front upright post of the frame, belt pulleys on two sides of the speed reducer are symmetrical to the central line, a front belt is positioned on the central line of a wellhead, a rear belt is positioned on the central line of the frame, a hinge device is arranged at the position of the upper platform and a rear support of the frame, the hinge device is connected with the upper platform through a pin shaft, and a steel wire rope at the tail of the upper platform is connected with a winding device. The machine has the advantages of simple and compact structure, prolonged service life of the belt, reduced cost, good neutrality and simple and convenient abdication operation.
The prior art adopts a rope wheel type installation mode to realize the reciprocating motion of the sucker rod, and the installation mode has the defects of complicated installation, easy damage of the rope wheel, huge frame and the like.
Publication (bulletin) number: CN111287696a discloses a simple tower type pumping unit well repairing abdication mechanism, which consists of an abdication driving motor, an abdication driving rope, a suspension, an abdication hanging ring, a rear guide wheel set, a fine adjustment mechanism, a frame, a rope pressing plate, a front guide wheel, a driving rope, a rope hanger, a first transmission frame, a second transmission frame and a bearing seat. The device is mainly characterized in that a yielding lifting ring is arranged on a first transmission frame and is connected with a yielding driving motor arranged at the top of a suspension through a yielding driving rope. The tail end of the first transmission frame is provided with a fine adjustment mechanism, the first transmission frame is connected with the second transmission frame through a revolute pair, and the second transmission frame is connected with the frame through a bearing seat. When the well is repaired, the abdication driving motor is used for gathering the abdication driving rope upwards, the first transmission frame is lifted upwards through the abdication hanging ring, and the second transmission frame rotates along with the lifting of the first transmission frame to be gathered towards the direction of the frame, so that an abdication space is formed.
The prior art adopts a rope wheel type installation mode to realize the reciprocating motion of the sucker rod, and the installation mode has the defects of complicated installation, easy damage of the rope wheel, huge frame and the like.
In summary, the technical scheme of the above disclosed technology, the technical problems to be solved and the beneficial effects are different from those of the present utility model, and the above disclosed technical documents have no technical teaching for more technical features of the present utility model, the technical problems to be solved and the beneficial effects.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide a wellhead installation derrick of a hydraulic pumping unit, realize coaxial installation of a lifting hydraulic cylinder and the wellhead and realize automatic abdication of the derrick during well repair operation.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the self-yielding derrick of the hydraulic pumping unit comprises a movable base and a frame, wherein the frame is arranged on the movable base; the upper end of the rack is provided with a centering adjustment mechanism; the upper end of the centering adjustment mechanism is provided with a lifting hydraulic cylinder; and a piston rod of the lifting hydraulic cylinder is connected with the polished rod through a polished rod connecting mechanism.
The movable base is arranged on the cement foundation.
The rack comprises supporting legs, a bracket and inclined struts;
The support is fixed on the movable base through supporting legs at two sides of the lower end, and the diagonal braces are arranged at two sides of the support and are respectively connected with the edges of the support and the movable base.
The centering adjustment mechanism comprises an adjustment base, an adjustment flange, a positioning mechanism and an upper pressing plate;
The adjusting base is divided into an adjusting cylinder body and a connecting base; the connecting base is welded with the top end of the bracket;
The two positioning mechanisms are arranged on the wall of the adjusting cylinder body and are perpendicular to each other;
The upper pressing plate is arranged in the adjusting cylinder and connected with the connecting base, and the upper pressing plate presses the lower flange ring of the adjusting flange on the connecting base;
The adjusting flange can move on the connecting base, and the upper end of the adjusting flange is connected with the lifting hydraulic cylinder.
The positioning mechanism comprises a nut and a positioning shaft sleeve which are arranged on the wall of the adjusting cylinder body, the nut and the positioning shaft sleeve are oppositely arranged, an adjusting screw rod is arranged in the nut, and a positioning shaft is arranged in the positioning shaft sleeve.
The piston rod of the lifting hydraulic cylinder is connected with the polish rod through a polish rod connecting mechanism, and the polish rod connecting mechanism comprises a piston rod connecting seat, a connecting plate, a connecting steel wire rope and a polish rod clip;
the piston rod connecting seat is of a structure with two ends large and a smaller middle diameter and is fixedly arranged on the piston rod;
The connecting steel wire rope is of a steel wire rope structure with limiting heads at two ends, and is fixedly connected with the piston rod connecting seat through a connecting plate;
the upper end of the polish rod is connected with a polish rod clip; and the polish rod clip is connected with the lower end of the connecting steel wire rope.
The movable base comprises a movable wheel assembly, a driving long rack, a movable driving rack, an elastic element, a positioning support and a driving gear;
The movable wheel assemblies are fixedly arranged on the outer side of the base, symmetrically arranged and at least provided with two groups; the driving long racks are fixed on the inner sides of two sides of the movable base, the movable driving racks are fixedly connected with the elastic elements and the positioning supports, supported by the elastic elements and positioned by the positioning supports, and when the elastic elements are compressed, the movable driving racks and the driving long racks are at the same height; the movable driving rack and the driving long rack can be meshed with the driving gear.
The cement foundation comprises a displacement ramp, a fixed limiting seat, a positioning step and a rotary driving mechanism;
The rotary driving mechanism is fixedly arranged on the cement foundation platform and is matched with the driving gear; the positioning step is arranged at the end point of the movable base, the fixed limiting seat is arranged at the starting point of the movable base, and the displacement ramp is arranged at one end of the positioning step close to the starting point.
The driving gear is assembled with the rotary driving mechanism and can rotate under the driving of the rotary driving mechanism.
A locking piece is arranged between the movable base and the cement foundation.
Compared with the prior art, the utility model has the following beneficial effects:
1. The original wellhead four-way and blowout prevention box are reserved, so that wellhead safety is ensured;
2. The centering adjusting mechanism is arranged, so that the hydraulic cylinder is ensured to be coaxial with the wellhead, and hydraulic oil leakage caused by eccentric wear of the piston rod is prevented;
3. The base is matched with the driving device, so that the frame can automatically give way during well repair, the work load of well repair preparation is reduced, and the well repair efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a self-yielding derrick of a hydraulic pumping unit;
FIG. 2 is a schematic structural diagram of a centering adjustment mechanism of a self-yielding derrick of the hydraulic pumping unit;
FIG. 3 is a schematic diagram of a partial enlarged structure of a self-yielding derrick of the hydraulic pumping unit;
FIG. 4 is a schematic diagram of a partial enlarged structure of a self-yielding derrick of the hydraulic pumping unit;
FIG. 5 is a schematic view of the structure of a polish rod connection mechanism of the self-yielding derrick of the hydraulic pumping unit;
In the figure: 1. a cement foundation; 1.1, displacement ramp; 1.2, fixing a limiting seat; 1.3, positioning steps; 1.4, a driving mechanism; 2. a movable base; 2.1, moving the wheel assembly; 2.2, driving a long rack; 2.3, moving the driving rack; 2.4, an elastic element; 2.5, positioning and supporting; 2.6, driving gears; 3. a wellhead; 4. a frame; 4.1, support legs; 4.2, a bracket; 4.3, diagonal bracing; 5. centering adjustment mechanism; 5.1, adjusting a base; 5.2, adjusting the flange; 5.3, adjusting a screw rod; 5.4, adjusting the nut; 5.5, positioning the shaft; 5.6, positioning the shaft sleeve; 5.7, an upper pressing plate; 6. a piston rod; 7. a polish rod connecting mechanism; 7.1, a piston rod connecting seat; 7.2, connecting the plates; 7.3, connecting a steel wire rope; 7.4, a polish rod clip; 8. and (5) a polish rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the self-yielding derrick of a hydraulic pumping unit provided by the utility model comprises a movable base 2, a frame 4, a centering adjustment mechanism 5 and a polished rod connection mechanism 7;
The movable base 2 is arranged on the cement foundation 1, and can automatically move to give way during well repair.
The frame 4 is arranged on the movable base 2, the frame 4 comprises supporting legs 4.1, a bracket 4.2 and inclined struts 4.3, and the bracket 4.2 is fixed on the movable base 2 through the supporting legs 4.1 at two sides of the lower end, so that the wellhead installation or operation is facilitated. The diagonal braces 4.3 are arranged on two sides of the support 4.2 and are respectively connected with the edges of the support 4.2 and the movable base 2 in a hinged mode, and the diagonal braces 4.3 play a supporting role.
The centering adjustment mechanism 5 is fixed at the top end of the frame 4, and the centering adjustment mechanism 5 comprises an adjustment base 5.1, an adjustment flange 5.2, an adjustment screw rod 5.3, a nut 5.4, a positioning shaft 5.5, a positioning shaft sleeve 5.6 and an upper pressing plate 5.7.
The adjusting base 5.1 is divided into an adjusting cylinder body and a connecting base, and the connecting base is welded with the top end of the bracket 4.2; the nut 5.4 and the positioning shaft sleeve 5.6 are oppositely arranged on the wall of the adjusting cylinder body, two groups of nuts 5.4 and the oppositely arranged positioning shaft sleeves 5.6 are arranged, the axes of the two groups of nuts are mutually perpendicular, the adjusting screw rod 5.3 is arranged in the nut 5.4, and the positioning shaft 5.6 is arranged in the positioning shaft sleeve 5.6; the upper pressing plate 5.7 is arranged in the adjusting cylinder and is connected with the connecting base, the upper pressing plate 5.7 presses the lower flange ring of the adjusting flange 5.2 on the connecting base, the adjusting flange 5.2 can move on the connecting base, the adjusting screw rod 5.3 and the positioning shaft 5.5 are distributed around the adjusting flange 5.2, and after the lifting hydraulic cylinder is arranged on the adjusting flange 5.2, the position of the adjusting flange 5.2 can be adjusted by rotating the adjusting nut 5.4, so that the lifting hydraulic cylinder and a wellhead are coaxial.
The movable base 2 is arranged on the cement foundation 1 and comprises a movable wheel assembly 2.1, a driving long rack 2.2, a movable driving rack 2.3, an elastic element 2.4, a positioning support 2.5 and a driving gear 2.6.
The movable wheel assembly 2.1 is fixedly arranged on the outer side of the movable base 2, symmetrically arranged, and at least 2 groups of movable wheel assemblies can support the weight of the derrick; the driving long racks 2.2 are fixed on the inner sides of two sides of the movable base 2, the movable driving racks 2.3 are fixedly connected with the elastic elements 2.4 and the positioning supports 2.5, the movable driving racks 2.3 are supported by the elastic elements 2.4 and positioned by the positioning supports 2.5, and when the elastic elements 2.4 are compressed, the movable driving racks 2.3 and the driving long racks 2.2 are at the same height. The movable driving rack 2.3 and the driving long rack 2.2 can be meshed with the driving gear 2.6, and the racks are driven by the driving gear 2.6 to move, so that the rack is driven to move.
The cement foundation 1 comprises a displacement ramp 1.1, a fixed limiting seat 1.2, a positioning step 1.3 and a rotary driving mechanism 1.4;
The rotary driving mechanism 1.4 is fixedly arranged on the cement foundation 1 platform and matched with the driving gear 2.6; the positioning step 1.3 is arranged at the end point of the movable base 2, the fixed limiting seat 1.2 is arranged at the starting point of the movable base 2, the displacement ramp 1.1 is arranged at one end of the positioning step 1.3 close to the starting point, the movable wheel assembly 2.1 is convenient to withdraw, the elastic element 2.4 is compressed in the withdrawing process of the movable wheel set 2.1, and the movable driving rack 2.3 is flush with the driving long rack 2.2.
The drive gear 2.6 is mounted with the rotary drive 1.4 so as to be rotatable under the drive of the rotary drive 1.4.
The movable base 2 and the cement foundation 1 are provided with locking pieces, the movable base 2 is locked, and the locking pieces can be locking pieces arranged in the fixed limiting seat or buckles for clamping the driving gears.
The piston rod 6 of the lifting hydraulic cylinder is connected with a polish rod 8 through a polish rod connecting mechanism, and the polish rod connecting mechanism 7 comprises a piston rod connecting seat 7.1, a connecting plate 7.2, a connecting steel wire rope 7.3 and a polish rod clamp 7.4;
Wherein the piston rod connecting seat 7.1 is in a structure with two ends large and a smaller middle diameter and is fixedly arranged on the piston rod 6; the connecting steel wire rope 7.3 is of a steel wire rope structure with limit heads at two ends, and is fixedly connected with the piston rod connecting seat 7.1 through the connecting plate 7.2; the connecting plate 7.2 is a two-flap mechanism and is combined by bolts and nuts; the upper end of the polish rod 8 is connected with a polish rod clip 7.4; the polish rod clamp 7.4 is connected with the lower end of the connecting steel wire rope 7.3; due to the soft connection of the connecting steel wire rope 7.3, the problem of eccentric wear of the piston rod 6 caused by misalignment of the piston rod 6 and the polished rod 8 is avoided, and the working reliability of the lifting hydraulic cylinder is improved to a certain extent.
The application method of the utility model comprises the following steps:
When the hydraulic pumping unit is installed, the movable base 2 is installed on the cement foundation 1, and then the frame 4 is installed, and the diagonal braces 4.3 are connected. The hoisting hydraulic cylinder is arranged on the top adjusting flange 5.2, the adjusting nut 5.4 is rotated, the piston rod is centered with the wellhead through the adjusting screw rod 5.3 and the positioning shaft 5.5, and the piston rod is connected with the wellhead polished rod 8 through the polished rod connecting mechanism 7, so that the hydraulic pumping unit is arranged.
When a workover is required, the locking of the movable base 2 to the cement foundation 1 is first removed. The rotary driving mechanism 1.4 drives the gear 2.6 to rotate, the movable driving rack 2.3 generates displacement to drive the derrick to move, at the moment, the movable wheel assembly 2.1 rolls along the displacement ramp 1.1, the movable base 2 is supported to leave the cement foundation 1 for a certain distance, the distance between the movable driving rack 2.3 and the driving gear is shortened, the elastic element 2.4 is pushed to compress, and the movable driving rack 2.3 moves to the same height as the driving long rack 2.2. Then, along with the rotation of the driving gear 2.6, under the supporting action of the moving wheel assembly 2.1, the long rack 2.2 is driven to continuously push the movable base 2 to roll and displace until the movable base moves to the fixed limit base 1.2, and at the moment, the automatic abdication action of the derrick is completed. When the operation is completed and production needs to be restored, the driving gear 2.6 rotates under the driving action of the rotary driving mechanism 1.4, the movable base 2 is pushed to return by driving the long rack 2.2 until the movable wheel assembly 2.1 moves to the positioning step 1.3, thereby realizing the reset of the derrick, and finally, the locking piece is installed.
The parts themselves which are not discussed in the application and the connection modes of the parts in the application all belong to the known technology in the technical field. The preparation can be directly applied and is not repeated.
In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The self-yielding derrick of the hydraulic pumping unit comprises a movable base and a frame, wherein the frame is arranged on the movable base;
the device is characterized in that a centering adjustment mechanism is arranged at the upper end of the rack;
the upper end of the centering adjustment mechanism is provided with a lifting hydraulic cylinder;
And a piston rod of the lifting hydraulic cylinder is connected with the polished rod through a polished rod connecting mechanism.
2. The hydraulic pumping unit self-yielding derrick of claim 1, wherein the movable base is mounted on a cement foundation.
3. A hydraulic pumping unit self-yielding derrick according to claim 1 or 2, wherein the frame comprises supporting legs, brackets and diagonal braces;
The support is fixed on the movable base through supporting legs at two sides of the lower end, and the diagonal braces are arranged at two sides of the support and are respectively connected with the edges of the support and the movable base.
4. A self-yielding derrick of a hydraulic pumping unit as defined in claim 3, wherein the centering adjustment mechanism comprises an adjustment base, an adjustment flange, a positioning mechanism and an upper platen;
The adjusting base is divided into an adjusting cylinder body and a connecting base; the connecting base is welded with the top end of the bracket;
The two positioning mechanisms are arranged on the wall of the adjusting cylinder body and are perpendicular to each other;
The upper pressing plate is arranged in the adjusting cylinder and connected with the connecting base, and the upper pressing plate presses the lower flange ring of the adjusting flange on the connecting base;
The adjusting flange can move on the connecting base, and the upper end of the adjusting flange is connected with the lifting hydraulic cylinder.
5. The self-yielding derrick of the hydraulic pumping unit as claimed in claim 4, wherein the positioning mechanism comprises a nut and a positioning shaft sleeve which are arranged on the wall of the adjusting cylinder body, the nut and the positioning shaft sleeve are arranged oppositely, an adjusting screw rod is arranged in the nut, and a positioning shaft is arranged in the positioning shaft sleeve.
6. The self-yielding derrick of a hydraulic pumping unit according to claim 1 or 2, wherein the polish rod connecting mechanism comprises a piston rod connecting seat, a connecting plate, a connecting steel wire rope and a polish rod clip;
the piston rod connecting seat is of a structure with two ends large and a smaller middle diameter and is fixedly arranged on the piston rod;
The connecting steel wire rope is of a steel wire rope structure with limiting heads at two ends, and is fixedly connected with the piston rod connecting seat through a connecting plate;
the upper end of the polish rod is connected with a polish rod clip; and the polish rod clip is connected with the lower end of the connecting steel wire rope.
7. The hydraulic pumping unit self-yielding derrick of claim 2, wherein the movable base comprises a movable wheel assembly, a driving long rack, a movable driving rack, an elastic element, a positioning support and a driving gear;
The movable wheel assemblies are fixedly arranged on the outer side of the base, symmetrically arranged and at least provided with two groups; the driving long racks are fixed on the inner sides of two sides of the movable base, the movable driving racks are fixedly connected with the elastic elements and the positioning supports, supported by the elastic elements and positioned by the positioning supports, and when the elastic elements are compressed, the movable driving racks and the driving long racks are at the same height; the movable driving rack and the driving long rack can be meshed with the driving gear.
8. The hydraulic pumping unit self-yielding derrick of claim 7, wherein the cement foundation comprises a displacement ramp, a fixed limit seat, a positioning step and a rotary driving mechanism;
The rotary driving mechanism is fixedly arranged on the cement foundation platform and is matched with the driving gear; the positioning step is arranged at the end point of the movable base, the fixed limiting seat is arranged at the starting point of the movable base, and the displacement ramp is arranged at one end of the positioning step close to the starting point.
9. The self-retracting derrick of claim 8, wherein the drive gear is assembled with a rotary drive mechanism and is rotatable by the rotary drive mechanism.
10. The hydraulic pumping unit self-yielding derrick of claim 9, wherein a locking member is disposed between the movable base and the cement foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322748136.8U CN221002642U (en) | 2023-10-13 | 2023-10-13 | Self-abdication derrick of hydraulic pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322748136.8U CN221002642U (en) | 2023-10-13 | 2023-10-13 | Self-abdication derrick of hydraulic pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221002642U true CN221002642U (en) | 2024-05-24 |
Family
ID=91085792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322748136.8U Active CN221002642U (en) | 2023-10-13 | 2023-10-13 | Self-abdication derrick of hydraulic pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221002642U (en) |
-
2023
- 2023-10-13 CN CN202322748136.8U patent/CN221002642U/en active Active
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