CN211201899U - Anti-drop mechanism for connecting rod and cross beam of oil pumping unit - Google Patents
Anti-drop mechanism for connecting rod and cross beam of oil pumping unit Download PDFInfo
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- CN211201899U CN211201899U CN201921410194.7U CN201921410194U CN211201899U CN 211201899 U CN211201899 U CN 211201899U CN 201921410194 U CN201921410194 U CN 201921410194U CN 211201899 U CN211201899 U CN 211201899U
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- connecting rod
- movable sleeve
- groove
- cross beam
- pumping unit
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Abstract
The utility model relates to an anti-drop mechanism for connecting a connecting rod and a cross beam of a pumping unit, which comprises a connecting rod and a cross beam, wherein the lower part of the cross beam is inwards provided with a groove by a lower end, a movable sleeve is arranged in the groove, the outer side of the movable sleeve is provided with a limiting ring, the inner wall of the groove is provided with a limiting rotary groove, the movable sleeve extends out of the groove, the extending part is used as a driving part, the inner part of the movable sleeve is provided with a screw hole, the upper part of the connecting rod is provided with an external thread, the upper end of the connecting rod is fixed with a lower pull ring, the top wall of; the cross beam is formed by fixedly butting two half beam bodies after being covered by bolts, and the lower end of the connecting rod is fixed with a rotating head limited in a crank. The utility model has the advantages that the movable sleeve replaces the traditional pin shaft to be connected with the connecting rod, the connection strength is high, and the safety rope is connected between the connecting rod and the crossbeam, thereby avoiding the safety accident caused by falling off; the adjustment of the working length of the connecting rod can be realized, and the use requirement can be better met.
Description
Technical Field
The utility model relates to a beam-pumping unit technical field, concretely relates to beam-pumping unit connecting rod and crossbeam connection anti-disengaging mechanism.
Background
The pumping unit is the main equipment for oil extraction production in the oil field at present. The beam-pumping unit belongs to a four-bar linkage, and generally speaking, the structure comprises: the walking beam, a support, the horse head, the polished rod eye, the connecting rod, the reduction gear, the crank, base and motor, the support is with the help of bolted connection on the base, the walking beam is installed on the support top with the help of central bearing frame, walking beam front end installation horse head, polished rod eye fixed connection is on the horse head, walking beam rear end fixed mounting tail walking beam balancing body, tail walking beam balancing body end is equipped with tail counter weight adjusting device, be equipped with the motor on the base, the motor passes through belt and retarder connection, the crank that sets up on the reduction gear output shaft passes through the crank pin and is articulated with the connecting rod, the connecting rod other end passes through the round pin hub connection with the crossbeam, and it is fixed with clamp plate and baffle locking, the crossbeam passes. In the operation process, as the pin shaft of the connecting rod beam belongs to a main stress concentration part, if the pin shaft is loosened or falls off, serious safety accidents can be caused.
Therefore, patent specification with publication number CN205047198U discloses an anti-drop mechanism for connecting a beam and a connecting rod of a pumping unit, which comprises: the oil pumping unit comprises a pumping unit connecting rod, a cross beam, a pin shaft for connecting the pumping unit connecting rod and the cross beam, a pressing plate and pressing plate fixing bolt for locking and fixing the pin shaft, and a first gasket, wherein a threaded connecting hole is processed at one end of the pin shaft connected with the pressing plate along the axis direction, and the pressing plate fixing bolt penetrates through a through hole arranged on the pressing plate and is connected with a threaded hole arranged at the end part of the pin shaft to fasten the pin shaft; the upper end of clamp plate is provided with the locking gasket that prevents that clamp plate fixing bolt is not hard up, and the locking gasket is fixed on the clamp plate by bolt and second packing ring. But the anti-drop mechanism for connecting the connecting rod and the cross beam of the pumping unit has the defects that firstly, the fixing mode is complex in structure, and the stop gasket is easy to damage; secondly, the working length of the connecting rod can not be adjusted according to the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes at least a defect among the prior art, provides an anti-disengaging mechanism is connected with the crossbeam to beam-pumping unit connecting rod.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
an anti-drop mechanism for connecting a connecting rod and a cross beam of an oil pumping unit comprises the connecting rod and the cross beam, wherein a groove is formed in the lower portion of the cross beam from the lower end inwards, a movable sleeve is arranged in the groove, a limiting ring is arranged on the outer side of the movable sleeve, a limiting rotary groove convenient for the limiting ring to rotate is formed in the inner wall of the groove, the movable sleeve extends out of the groove, the extending portion serves as a driving portion, a threaded hole is formed in the movable sleeve, external threads matched with the threaded hole are formed in the upper portion of the connecting rod, a lower pull ring is fixed at the upper end of the connecting rod, an upper pull ring is fixed on the top wall of the groove, and a safety rope is connected between the; the beam is formed by fixedly butting two half beam bodies with the same structure after being covered by bolts, a rotary head is fixed at the lower end of the connecting rod, and the rotary head is limited in a rotary groove in the crank in a rotating mode.
Furthermore, in the anti-drop mechanism for connecting the pumping unit connecting rod and the cross beam, the upper part of the cross beam is provided with a connecting hole which is convenient to be hinged with the lug at the rear end of the walking beam.
Furthermore, in the anti-drop mechanism for connecting the connecting rod with the cross beam of the pumping unit, the outer side of the movable sleeve positioned on the driving part is provided with a hexagonal platform convenient for a wrench to move, and the part of the movable sleeve positioned in the cross beam and the limiting ring are both of cylindrical structures.
Further, in the anti-drop mechanism for connecting the pumping unit connecting rod and the cross beam, the length of the external thread is equal to that of the movable sleeve.
Furthermore, in the anti-drop mechanism for connecting the connecting rod of the pumping unit and the cross beam, the half grooves and the half limit rotating grooves are formed in the half beam body, the two opposite half grooves can be in butt joint to form the grooves, and the two opposite half limit rotating grooves can be in butt joint to form the limit rotating grooves.
Furthermore, in the anti-drop mechanism for connecting the pumping unit connecting rod and the cross beam, the safety rope is made of nylon materials.
The utility model has the advantages that: the utility model has reasonable structural design, the movable sleeve with the limiting ring is arranged in the beam to replace the traditional pin shaft to be connected with the connecting rod, the connecting strength is high, and the safety rope is connected between the connecting rod and the beam, thereby avoiding the occurrence of safety accident caused by falling off; in addition, the wrench can drive the movable sleeve to rotate, so that the working length of the connecting rod can be adjusted within a certain range, and the use requirement can be better met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the usage state of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the lower structure of the middle connecting rod of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-connecting rod, 2-crossbeam, 3-groove, 4-movable sleeve, 5-limiting ring, 6-limiting rotary groove, 7-external thread, 8-lower pull ring, 9-upper pull ring, 10-safety rope, 11-bolt, 12-rotary head and 13-crank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the present embodiment is a connection anti-drop mechanism for a connecting rod and a cross beam of a pumping unit, including a connecting rod 1 and a cross beam 2, wherein the upper portion of the cross beam 2 is provided with a connecting hole for conveniently hinging with a rear end ear seat of a walking beam. The lower part of the beam 2 is provided with a groove 3 from the lower end inwards, and a movable sleeve 4 is arranged in the groove 3. The outside of movable sleeve 4 is equipped with spacing ring 5, and the inner wall of recess 3 is seted up the spacing rotary slot 6 of the 5 pivoted of spacing ring of being convenient for. The movable sleeve 4 protrudes from the recess 3, and the protruding portion serves as a driving portion. The inside of movable sleeve 4 is equipped with the spiro union hole 3, and the upper portion of connecting rod 1 is equipped with the external screw thread 7 with spiro union hole 3 complex, and the length of external screw thread 7 equals the length of movable sleeve 4. The upper end of connecting rod 1 is fixed with pull-down ring 8, and the roof of recess 3 is fixed with pull-up ring 9, goes up pull-up ring 9, is connected with safety rope 10 between pull-down ring 8. The beam 2 is formed by fixedly butting two half beam bodies with the same structure after being covered by bolts 11, a rotary head 12 is fixed at the lower end of the connecting rod 1, and the rotary head 12 is limited in a rotary groove in a crank 13 in a rotating way.
In this embodiment, a hexagonal platform convenient for a wrench to move is disposed on the outer side of the movable sleeve 4 located on the driving portion, and the portion of the movable sleeve 4 located in the cross beam 2 and the limiting ring 5 are both of cylindrical structures.
In this embodiment, half recess and half spacing rotary trough have been seted up to the inside of half roof beam body, and recess 3 can be constituteed in two relative half recesses, and spacing rotary trough 6 can be constituteed in two relative half spacing rotary troughs butt joint.
In this embodiment, the safety rope 10 is made of nylon material, and has high strength and is not easy to break.
One specific application of this embodiment is: the structure of the embodiment is reasonable in design, the movable sleeve 4 with the limiting ring 5 is arranged in the cross beam 2 to replace the traditional pin shaft to be connected with the connecting rod 1, the connecting strength is high, and the safety rope is connected between the connecting rod 1 and the cross beam 2, so that the safety accident caused by falling off can be avoided; in addition, the wrench can drive the movable sleeve 4 to rotate, the external thread 7 is driven by the movable sleeve 4 to ascend or descend, and then the working length of the connecting rod 1 can be adjusted within a certain range, so that the using requirement can be better met.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The utility model provides an anti-disengaging mechanism is connected with crossbeam to beam-pumping unit connecting rod, includes connecting rod and crossbeam, its characterized in that: a groove is formed in the lower portion of the cross beam from the lower end inwards, a movable sleeve is arranged in the groove, a limiting ring is arranged on the outer side of the movable sleeve, a limiting rotary groove convenient for the limiting ring to rotate is formed in the inner wall of the groove, the movable sleeve extends out of the groove, the extending portion serves as a driving portion, a threaded hole is formed in the movable sleeve, external threads matched with the threaded hole are formed in the upper portion of the connecting rod, a lower pull ring is fixed to the upper end of the connecting rod, an upper pull ring is fixed to the top wall of the groove, and a safety rope is connected between the upper pull ring and the lower pull ring; the cross beam is formed by fixedly butting two half beam bodies with the same structure after being covered by bolts, a rotary head is fixed at the lower end of the connecting rod, and the rotary head is limited in a rotary groove in the crank in a rotating way;
the outer side of the movable sleeve, which is positioned at the driving part, is provided with a hexagonal platform which is convenient for a wrench to move, and the part of the movable sleeve, which is positioned in the beam, and the limiting ring are both of cylindrical structures;
half recess and semi-spacing rotary tank have been seted up to half roof beam body's inside, and two relative half recesses can dock and constitute the recess, and two relative semi-spacing rotary tanks can dock and constitute spacing rotary tank.
2. The anti-drop mechanism is connected with crossbeam to beam-pumping unit connecting rod according to claim 1, characterized in that: and the upper part of the cross beam is provided with a connecting hole which is convenient to be hinged with the lug at the rear end of the walking beam.
3. The anti-drop mechanism is connected with crossbeam to beam-pumping unit connecting rod according to claim 1, characterized in that: the length of the external thread is equal to that of the movable sleeve.
4. The anti-drop mechanism is connected with crossbeam to beam-pumping unit connecting rod according to claim 1, characterized in that: the safety rope is made of a nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410194.7U CN211201899U (en) | 2019-08-28 | 2019-08-28 | Anti-drop mechanism for connecting rod and cross beam of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410194.7U CN211201899U (en) | 2019-08-28 | 2019-08-28 | Anti-drop mechanism for connecting rod and cross beam of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211201899U true CN211201899U (en) | 2020-08-07 |
Family
ID=71886694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921410194.7U Active CN211201899U (en) | 2019-08-28 | 2019-08-28 | Anti-drop mechanism for connecting rod and cross beam of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211201899U (en) |
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2019
- 2019-08-28 CN CN201921410194.7U patent/CN211201899U/en active Active
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