CN210483575U - Replaceable slip type sucker rod elevator - Google Patents
Replaceable slip type sucker rod elevator Download PDFInfo
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- CN210483575U CN210483575U CN201921023988.8U CN201921023988U CN210483575U CN 210483575 U CN210483575 U CN 210483575U CN 201921023988 U CN201921023988 U CN 201921023988U CN 210483575 U CN210483575 U CN 210483575U
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Abstract
The utility model provides a removable slips formula sucker rod elevator, this removable slips formula sucker rod elevator includes the elevator body, retaining ring subassembly and a plurality of slips, each slips is used for alone with elevator body cooperation, the slips includes the slips body, be provided with the second through-hole that supplies the sucker rod to pass through on the slips body, the diameter inequality of the second through-hole of each slips, the retaining ring subassembly includes a plurality of retaining rings and the pulling pin of being connected with a plurality of retaining rings, the retaining ring is located this internal and along the circumference setting of first through-hole in the periphery of first through-hole of elevator, the circumferential direction to the first breach of first through-hole can be followed to the retaining ring. The utility model provides a removable slips formula sucker rod elevator cooperatees through changing slips and not unidimensional sucker rod, through setting up the retaining ring in order to prevent the sucker rod slippage, compares in need to change the sucker rod elevator in the past wholly, and the slips is changed more conveniently to the removable slips formula sucker rod elevator that this embodiment provided, has improved work efficiency.
Description
Technical Field
The utility model relates to an oil gas exploitation technical field especially relates to a removable slips formula sucker rod elevator.
Background
In the field of oil and gas exploitation, with the continuous deep development of oil fields, the types of oil reservoirs used are more and more complicated. For example, some marginal fields, hard-to-use reserves have already entered the scale production phase. In the process of exploiting these oil fields, there are more and more rod lifting methods that can be put into use, and correspondingly, the types of sucker rods applied in the exploitation process are more and more complicated.
The conventional sucker rod is manufactured according to the standard of API SPEC 11B or the standard of SY/T5029-2013, and can be matched with an ordinary sucker rod elevator to work according to the standard when in application. However, for some sucker rods with relatively special dimensions, some special sucker rod elevators need to be designed in a targeted manner in the application process, so that the special sucker rods can be matched with the elevator to meet the use requirements of oil and gas exploitation operation.
However, the types of the sucker rods are complex, including various different dimensions, and when the sucker rod elevator matched with the sucker rod is designed, the types of the sucker rod elevator are correspondingly complex, so that the problem of low replacement efficiency caused by excessive types and frequent replacement of the sucker rod elevator exists.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a removable slips formula sucker rod elevator for solve the problem that current sucker rod elevator changes inefficiency.
In order to achieve the above objects, the replaceable slip type sucker rod elevator provided by the embodiment of the present invention comprises an elevator body, a retainer ring assembly and a plurality of slips, each of the slips is used for being independently matched with the elevator body, wherein,
the elevator body is provided with a first through hole for the sucker rod to pass through, a first notch is formed in the elevator body from the outer side wall to the inside, and the first notch is communicated with the first through hole;
the slip comprises a slip body, a second through hole for the sucker rod to pass through is formed in the slip body, a second notch is formed in the slip body from the outer side wall to the inner side, and the second notch is communicated with the second through hole;
the diameters of the second through holes of the slips are not equal, the axis of the first through hole is superposed with the axis of the second through hole, and the first gap is aligned with the second gap;
the retainer ring assembly comprises a plurality of retainer rings and a plurality of pull pins connected with the retainer rings, the retainer rings are located in the elevator body and are arranged on the periphery of the first through hole along the circumferential direction of the first through hole, and the retainer rings can rotate to the first gap along the circumferential direction of the first through hole.
Compared with the prior art, the embodiment of the utility model provides a removable slips formula sucker rod elevator has following advantage:
the embodiment of the utility model provides a removable slips formula sucker rod elevator is provided with a plurality of not unidimensional slips, and the mode through changing the slips cooperatees with not unidimensional sucker rod, still prevents the sucker rod slippage through setting up the retaining ring, compares in the past and need change different sucker rod elevators when not unidimensional sucker rod cooperates, and the slips is more convenient to the removable slips formula sucker rod elevator that this embodiment provided, has improved work efficiency.
The replaceable slip type sucker rod elevator is characterized in that the elevator body is provided with a slip accommodating groove used for installing a slip downwards from the top, and the first through hole is communicated with the bottom of the slip accommodating groove.
The replaceable slip type sucker rod elevator is characterized in that the slip body is connected with the elevator body through a screw.
The replaceable slip type sucker rod elevator comprises a plurality of check rings, wherein the check rings comprise an upper check ring and a lower check ring, the upper check ring and the lower check ring are arranged along the axis of the first through hole, and the pull pin is fixedly connected with the upper check ring and the lower check ring respectively.
The replaceable slip type sucker rod elevator is characterized in that the bottom of the lower retainer ring is provided with a baffle plate, and the baffle plate is connected with the elevator body.
The replaceable slip type elevator for the sucker rod comprises an elevator body, wherein an upper chute and a lower chute are arranged in the elevator body; two ends of the upper chute are respectively communicated with the first notch, and two ends of the lower chute are respectively communicated with the first notch; the upper retainer ring is arranged in the upper sliding groove in a sliding mode, and the lower retainer ring is arranged in the lower sliding groove in a sliding mode.
The replaceable slip type sucker rod elevator comprises a pull pin, a first connecting rod and a second connecting rod, wherein the pull pin comprises a handle and the first connecting rod and the second connecting rod are respectively connected with the handle; an upper slideway and a lower slideway are arranged on one side of the elevator body, which is far away from the first notch, the upper slideway is communicated with the upper slideway, and the lower slideway is communicated with the lower slideway; the first connecting rod stretches into the upper slideway and is connected with the upper retainer, and the second connecting rod stretches into the lower slideway and is connected with the lower retainer.
The replaceable slip type sucker rod elevator is characterized in that the arc length of the upper slideway is equal to that of the lower slideway.
The replaceable slip type sucker rod elevator is characterized in that the slip body is provided with an arc-shaped slope matched with the coupling of the sucker rod.
The replaceable slip type sucker rod elevator is characterized in that a lifting lug is arranged on the elevator body, and a bolt is arranged on the lifting lug.
In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, the present invention provides another technical problem, another technical features included in the technical solutions, and advantageous effects brought by the technical features that can be solved by the replaceable slips type sucker rod elevator, and further detailed descriptions will be made in specific embodiments.
Drawings
In order to illustrate more clearly the embodiments of the invention or the technical solutions in the prior art, the drawings which are needed in the description of the embodiments of the invention or the prior art will be briefly described below, it is obvious that the drawings in the following description are only a part of the embodiments of the invention, and the drawings and the description are not intended to limit the scope of the disclosed concept in any way, but to illustrate the disclosed concept for a person skilled in the art by referring to a specific embodiment, and for a person skilled in the art, other drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural view of an embodiment of the present invention, illustrating a replaceable slip-type sucker rod elevator;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a partially expanded view of the elevator body in the direction B of FIG. 3;
FIG. 5 is a schematic structural view of the slip body of FIG. 2;
fig. 6 is a sectional view taken along the direction C-C in fig. 5.
Description of reference numerals:
100-an elevator body;
110 — a first via;
120-a first gap;
130-a lifting lug;
131-a latch;
200-slips;
210-a slip body;
211-second via hole;
212-a second gap;
220-upper retainer ring;
221-upper chute;
230-lower retainer ring;
240-pull pin;
241-upper slideway;
242-glidepath;
250-a baffle plate;
300-screws;
400-arc slope.
Detailed Description
In order to solve the problem that current sucker rod elevator changes inefficiency, the embodiment of the utility model provides a removable slips formula sucker rod elevator, this removable slips formula sucker rod elevator includes elevator body, retaining ring subassembly and a plurality of slips, adopts the utility model provides a removable slips formula sucker rod elevator is provided with a plurality of not unidimensional slips, cooperatees with not unidimensional sucker rod through the mode of changing the slips, still prevents the sucker rod slippage through setting up the retaining ring, need change different sucker rod elevators when comparing in the cooperation of the sucker rod of different sizes in the past, and the removable slips formula sucker rod elevator that this embodiment provided is changed conveniently, has improved work efficiency.
In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the replaceable slip type elevator for sucker rod provided by the embodiment of the present invention includes an elevator body 100, a retainer ring assembly and a plurality of slips 200, each slip 200 is used to be individually matched with the elevator body 100, wherein the elevator body 100 is provided with a first through hole 110 for a sucker rod to pass through, the elevator body 100 is provided with a first notch 120 from the outer side wall inwards, and the first notch 120 is communicated with the first through hole 110; the slip 200 comprises a slip body 210, a second through hole 211 for a sucker rod to pass through is formed in the slip body 210, a second notch 212 is formed in the slip body 210 from the outer side wall to the inner side, and the second notch 212 is communicated with the second through hole 211; the diameters of the second through holes 211 of each slip 200 are not equal, the axis of the first through hole 110 coincides with the axis of the second through hole 211, and the first gap 120 is aligned with the second gap 212; the retainer ring assembly comprises a plurality of retainer rings and a pull pin 240 connected with the plurality of retainer rings, the retainer rings are positioned in the elevator body 100 and are arranged on the periphery of the first through hole 110 along the circumferential direction of the first through hole 110, and the retainer rings can rotate to the first notch 120 along the circumferential direction of the first through hole 110.
The replaceable slip type sucker rod elevator provided by the embodiment comprises a plurality of slips 200, wherein the slips 200 are respectively matched with the elevator body 100, so that the sucker rod elevator can be matched with sucker rods with different diameters, namely when the sucker rod elevator needs to be matched with sucker rods with different diameters in the embodiment, only the slips 200 connected with the elevator body 100 need to be replaced.
Specifically, as shown in fig. 1, the elevator body 100 is provided with a first through hole 110, and when in use, the sucker rod is inserted into the first through hole 110. The side wall of the elevator body 100 is provided with a first gap 120, the first gap 120 is formed inward from the outer side wall of the elevator body 100 along the radial direction of the first through hole 110, the first gap 120 is communicated with the first through hole 110, the first gap 120 is used for allowing a sucker rod to enter the first through hole 110 along the radial direction, and the height of the first gap 120 in the vertical direction is equal to the height of the first through hole 110 in the vertical direction.
The slips 200 are matched with the elevator body 100, and specifically, the elevator body 100 may be provided with a receiving groove for matching with the slips 200, and the slips 200 are placed in the receiving groove; the slips 200 may also be directly bolted to the elevator body 100. The slips 200 comprises a slips body 210, a second through hole 211 is arranged on the slips body 210, and the diameters of the second through holes 211 of the slips 200 of the replaceable slip type sucker rod elevator provided in the embodiment are different and are respectively used for matching with sucker rods with different diameters.
The axis of the second through hole 211 coincides with the axis of the first through hole 110 in this embodiment, and when in use, the sucker rod is arranged in the second through hole 211 in a penetrating manner. The side wall of the slip body 210 is provided with a second gap 212, the second gap 212 is radially opened inwards from the outer side wall of the slip body 210 along the second through hole 211, the second gap 212 is communicated with the second through hole 211, the second gap 212 is used for allowing a sucker rod to enter the second through hole 211 along the radial direction, the height of the second gap 212 in the vertical direction is equal to the height of the second through hole 211 in the vertical direction, namely, the second through hole 211 and the second gap 212 both penetrate through the top and the bottom of the slip body 210.
In this embodiment, the second notch 212 is aligned with the first notch 120. further, the second notch 212 may be the same size and shape as the first notch 120 to facilitate the sucker rod extending radially from the first notch 120 and the second notch 212 into the first through hole 110 and the second through hole 211.
The replaceable slip-type sucker rod elevator provided by the embodiment further comprises a retainer ring assembly, and in the using process, the retainer ring assembly is used for blocking the first gap 120 or the second gap 212 so as to prevent the sucker rod from slipping. Specifically, as shown in fig. 2 and 3, the retainer ring assembly includes a pull pin 240 and a plurality of retainer rings, the number of the retainer rings may be two, three, or four, and the plurality of retainer rings may be arranged in a vertical direction.
A plurality of retaining rings all set up in elevator body 100, and each retaining ring sets up in first through-hole 110 periphery along the circumference of first through-hole 110 respectively, and every retaining ring all can be around its circumference rotation of first through-hole 110's axis under the drive of the arm-tie 240 that is connected with it to can rotate to in first breach 120, thereby block in first breach 120, in order to avoid the sucker rod slippage.
When the replaceable slip type sucker rod elevator provided by the embodiment is used, a worker firstly selects the slip 200 matched with the diameter of the sucker rod, installs the slip 200 on the elevator main body, rotates the retainer ring to the inside of the elevator body 100, then radially extends the sucker rod into the first through hole 110 and the second through hole 211, so that the sucker rod is clamped in the slip body 210 and the elevator body 100, and finally rotates the retainer ring to the first gap 120; when mated with a sucker rod of a different size, the slips 200 are replaced as per the above embodiment.
To sum up, the removable slips formula sucker rod elevator that this embodiment provided is provided with a plurality of not unidimensional slips 200, and the mode through changing slips 200 cooperatees with the not unidimensional sucker rod, still prevents the sucker rod slippage through setting up the retaining ring, compares in the past and need change different sucker rod elevators when the cooperation of the not unidimensional sucker rod, and the removable slips formula sucker rod elevator that this embodiment provided only changes slips 200's mode more convenient, has improved work efficiency.
Further, in one possible implementation, the elevator body 100 is provided with a slip receiving groove for receiving the slip 200 from the top downward, and the first through hole 110 is communicated with the bottom of the slip receiving groove. Based on the above embodiments, the slips 200 are installed on the elevator body 100, and in this embodiment, the top of the elevator body 100 is provided with a slip accommodating groove, and further, as shown in fig. 1, the depth of the slip accommodating groove is equal to the thickness of the slips 200, and when the slips 200 are installed in the slip accommodating groove, the top of the slips 200 is flush with the top of the elevator body 100. The slip 200 includes a slip body 210, and a second through hole 211 provided in the slip body 210 is communicated with the first through hole 110 of the elevator body 100, that is, the bottom of the slip accommodating groove in this embodiment is communicated with the first through hole 110.
Further, on the basis of the above embodiment, the slip body 210 is connected with the elevator body 100 by the screw 300. As shown in fig. 1, the slip body 210 is provided with mounting lugs at both sides thereof, and the mounting lugs are integrally formed on the slip body 210. The bottom of installation otic placode contacts with the slips storage tank, and the quantity of screw 300 can be a plurality of in this embodiment, and a plurality of screws 300 pass the bottom of installation otic placode and slips storage tank in proper order, make slips body 210 be connected with elevator body 100, and the reliability of being connected between slips 200 and elevator body 100 has been improved to such setting.
Further, in a possible implementation manner, the plurality of retaining rings includes an upper retaining ring 220 and a lower retaining ring 230, the upper retaining ring 220 and the lower retaining ring 230 are arranged along the axis of the first through hole 110, and the pull pin 240 is fixedly connected to the upper retaining ring 220 and the lower retaining ring 230, respectively. The number of the check rings in this embodiment is two, and it should be noted that, in this embodiment, the two check rings are arranged along the axis of the first through hole 110, and are respectively arranged as the upper check ring 220 and the lower check ring 230 in the vertical direction, where the vertical direction refers to a relative position relationship of the two check rings in the working state. As shown in fig. 3, in the present embodiment, the pull pin 240 is respectively connected to the upper retainer ring 220 and the lower retainer ring 230, and can synchronously rotate the upper retainer ring 220 and the lower retainer ring 230.
Further, in one possible implementation, the bottom of the lower retainer ring 230 is provided with a baffle 250, and the baffle 250 is connected with the elevator body 100. As shown in fig. 1, the baffle 250 is disposed at the bottom of the elevator body 100, two ends of the baffle 250 respectively extend into the elevator body 100 to be connected with the elevator body 100, a through hole is disposed at the middle of the baffle 250, and the diameter of the through hole is equal to or greater than the diameter of the first through hole 110, specifically, the baffle 250 and the elevator body 100 may be connected by a screw 300 or a bolt. The baffle 250 in this embodiment is provided to prevent the lower retainer 230 from falling off.
Further, in a possible implementation manner, an upper chute 221 and a lower chute are provided in the elevator body 100; two ends of the upper chute 221 are respectively communicated with the first notch 120, and two ends of the lower chute are respectively communicated with the first notch 120; the upper retainer ring 220 is slidably disposed in the upper chute 221, and the lower retainer ring 230 is slidably disposed in the lower chute.
In this embodiment, the upper retainer ring 220 has the same shape and size as the lower retainer ring 230, specifically, as shown in fig. 2, the upper retainer ring 220 and the lower retainer ring 230 are both arc-shaped retainer rings, the upper chute 221 and the lower chute are both arc-shaped chutes, as described by way of example with the upper retainer ring 220 and the upper chute 221, the arc α of the upper retainer ring 220 is greater than 90 °, specifically, 110 ° is provided, the axis of the upper retainer ring 220 coincides with the axis of the first through hole 110, as shown in fig. 5, both ends of the upper chute 221 communicate with the first notch 120, and the arc β between both ends of the upper chute 221 is less than 90 °, specifically, 3560 ° is provided, the axis of the upper chute 221 coincides with the axis of the upper retainer ring 220, and accordingly, the axis of the lower chute coincides with the axis of the lower retainer ring 230.
In the using process, the upper retainer ring 220 can slide in the upper sliding groove 221, and can stretch into the upper sliding groove 221 to enter the first notch 120, and because the radian of the upper retainer ring 220 is greater than the radian between two ends of the upper sliding groove 221, when the upper retainer ring 220 is located in the first notch 120, two ends of the upper retainer ring 220 are located in the upper sliding groove 221, so that the sucker rod located in the first through hole 110 is retained, and similarly, the working principle of the lower retainer ring 230 is also the same, and the description is omitted.
Further, in one possible implementation, the pull pin 240 includes a handle and a first connecting rod and a second connecting rod respectively connected to the handle; an upper slide way 241 and a lower slide way 242 are arranged on one side of the elevator body 100, which is far away from the first notch 120, the upper slide way 241 is communicated with the upper slide way 221, and the lower slide way 242 is communicated with the lower slide way; the first connecting rod extends into the upper slide 241 to connect with the upper retainer 220, and the second connecting rod extends into the lower slide 242 to connect with the lower retainer 230. In this embodiment, the two ends of the upper sliding way 241 are respectively provided with a round hole, so that the first connecting rod can slide to the tail end and then stay in the round hole, thereby avoiding shaking, and similarly, the two ends of the lower sliding way 242 are also respectively provided with a round hole.
As shown in fig. 2 and 3, the handle is perpendicular to a first connection rod connected to one end of the upper retainer 220 and a second connection rod connected to one end of the lower retainer 230, respectively. Specifically, as shown in fig. 4, the elevator body 100 is provided with an upper sliding way 241 matched with the first connecting rod and a lower sliding way 242 matched with the second connecting rod, wherein the upper sliding way 241 is communicated with the upper sliding way 221 inside the elevator body 100, and the lower sliding way 242 is communicated with the lower sliding way inside the elevator body 100, so that the first connecting rod and the second connecting rod extend into and are connected with the upper retainer ring 220 and the lower retainer ring 230, and the connection mode may be welding or bolt connection.
Further, in one possible implementation, the arc length of the upper runner 241 is equal to the arc length of the lower runner 242. As shown in fig. 2 and 4, in this embodiment, taking the first connecting rod and the upper sliding way 241 as an example for description, when the first connecting rod is located at the rightmost end of the upper sliding way 241, the upper retaining ring 220 is completely located in the upper sliding way 221, and when the first connecting rod slides leftwards along the upper sliding way 241, the first connecting rod drives the upper retaining ring 220 to slide until the first connecting rod slides to the leftmost end of the upper sliding way 241, and the upper retaining ring 220 extends into the first notch 120.
Further, in one possible implementation, the slip body 210 is provided with an arcuate ramp 400 that engages a collar of a sucker rod. As shown in fig. 5 and 6, the slip body 210 is provided with an arc-shaped slope 400, and the radian of the arc-shaped slope 400 provided on each slip 200 is different, in this embodiment, the arc-shaped slope 400 is used for being engaged with the coupling or the head transition of the sucker rod, so as to ensure that the sucker rod is clamped on the slips 200.
Further, in a possible implementation manner, a lifting lug 130 is provided on the elevator body 100, and a bolt 131 is provided on the lifting lug 130. As shown in fig. 1, lifting lugs 130 for being engaged with the lifting rings are respectively provided at both sides of the elevator body 100, and a latch 131 for locking the lifting rings to prevent the lifting rings from slipping is provided on the lifting lugs 130.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 invention. 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.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A replaceable slip type sucker rod elevator is characterized by comprising an elevator body, a retainer ring assembly and a plurality of slips, wherein each slip is used for being matched with the elevator body independently,
the elevator body is provided with a first through hole for the sucker rod to pass through, a first notch is formed in the elevator body from the outer side wall to the inside, and the first notch is communicated with the first through hole;
the slip comprises a slip body, a second through hole for the sucker rod to pass through is formed in the slip body, a second notch is formed in the slip body from the outer side wall to the inner side, and the second notch is communicated with the second through hole;
the diameters of the second through holes of the slips are not equal, the axis of the first through hole is superposed with the axis of the second through hole, and the first gap is aligned with the second gap;
the retainer ring assembly comprises a plurality of retainer rings and a plurality of pull pins connected with the retainer rings, the retainer rings are located in the elevator body and are arranged on the periphery of the first through hole along the circumferential direction of the first through hole, and the retainer rings can rotate to the first gap along the circumferential direction of the first through hole.
2. The replaceable slip sucker rod elevator of claim 1, wherein the elevator body is provided with a slip receiving groove for receiving the slip from the top downward, and the first through hole is communicated with the bottom of the slip receiving groove.
3. The replaceable slip sucker rod elevator as set forth in claim 2, wherein the slip body is connected to the elevator body by a screw.
4. The replaceable slip sucker rod elevator of claim 1, wherein the plurality of retaining rings comprises an upper retaining ring and a lower retaining ring, the upper retaining ring and the lower retaining ring are arranged along the axis of the first through hole, and the pull pin is fixedly connected with the upper retaining ring and the lower retaining ring, respectively.
5. The replaceable slip sucker rod elevator of claim 4, wherein the bottom of the lower retainer ring is provided with a baffle, the baffle being connected to the elevator body.
6. The replaceable slip sucker rod elevator of claim 4 wherein the elevator body has an upper chute and a lower chute disposed therein;
two ends of the upper chute are respectively communicated with the first notch, and two ends of the lower chute are respectively communicated with the first notch;
the upper retainer ring is arranged in the upper sliding groove in a sliding mode, and the lower retainer ring is arranged in the lower sliding groove in a sliding mode.
7. The replaceable slip sucker rod elevator of claim 6, wherein the pull pin comprises a handle and first and second connecting rods connected to the handle, respectively;
an upper slideway and a lower slideway are arranged on one side of the elevator body, which is far away from the first notch, the upper slideway is communicated with the upper slideway, and the lower slideway is communicated with the lower slideway;
the first connecting rod stretches into the upper slideway and is connected with the upper retainer, and the second connecting rod stretches into the lower slideway and is connected with the lower retainer.
8. The replaceable slip sucker rod elevator of claim 7, wherein the upper run has an arc length equal to the arc length of the lower run.
9. The replaceable slip sucker rod elevator of claim 1 wherein the slip body is provided with an arcuate ramp engaging a coupling of the sucker rod.
10. The replaceable slip sucker rod elevator of claim 1, wherein the elevator body is provided with a lifting lug, and the lifting lug is provided with a latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023988.8U CN210483575U (en) | 2019-07-01 | 2019-07-01 | Replaceable slip type sucker rod elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023988.8U CN210483575U (en) | 2019-07-01 | 2019-07-01 | Replaceable slip type sucker rod elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210483575U true CN210483575U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921023988.8U Active CN210483575U (en) | 2019-07-01 | 2019-07-01 | Replaceable slip type sucker rod elevator |
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| Country | Link |
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| CN (1) | CN210483575U (en) |
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2019
- 2019-07-01 CN CN201921023988.8U patent/CN210483575U/en active Active
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