CN216422451U

CN216422451U - Tool for adding packing

Info

Publication number: CN216422451U
Application number: CN202122611490.7U
Authority: CN
Inventors: 霍战中; 陈威; 张坤; 路顺; 朱传坤; 张晓宪; 冀新胜
Original assignee: China Petroleum and Chemical Corp; Sinopec North China Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec North China Oil and Gas Co
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-03
Anticipated expiration: 2031-10-28

Abstract

The utility model provides an add instrument for packing, this add instrument for packing including be used for with sucker rod direction complex sliding sleeve, be equipped with the opening on the sliding sleeve to supply the sucker rod radially to get into from the opening in the sliding sleeve, the opening part of sliding sleeve is equipped with the sealing, in order to prevent the sucker rod is followed roll-off in the sliding sleeve, the below of sliding sleeve is equipped with the impact head for strike the packing. The utility model provides an add instrument for packing and utilize the sucker rod to lead and fix a position, can carry out accurate compaction to the packing of assigned position, and avoided the slip phenomenon between impact head and packing in the compaction process, improve the compaction efficiency of packing and the security in the compaction process.

Description

Tool for adding packing

Technical Field

The utility model relates to an add instrument for packing.

Background

In the later stage of oil field exploitation, the oil pumping machine well is required to be utilized for exploitation, in order to prevent the leakage of oil, gas and water in the oil-water well caused by the up-and-down movement of the oil pumping rod, a packing box is required to be sleeved on the oil pumping rod positioned at the position of the oil pumping machine well head, the packing in the packing box is utilized to seal the oil, gas and water in the oil-water well, and the abrasion of the packing can be caused by the long-time up-and-down movement of the oil pumping rod. Therefore, the packing in the packing box needs to be replaced regularly to ensure the sealing effect of the packing.

In the prior art, a packing is usually taken out and compacted through manual operation by means of tools such as a flat screwdriver and a hammer. The belt that will use usually on the oil field is as the packing, when adding the packing, at first stops the beam-pumping unit in qualified position, then lifts packing box gland and glan head off to hang on polished rod eye with the couple, two people cooperate and take out old packing after, alone be responsible for taking the right belt, another person is responsible for taking hammer and iron rod to pound the belt in the packing box, when adding the packing, need hit the iron rod with the hammer, the iron rod transmits power to the belt again on, with this pound the belt into in the packing box.

Firstly, because the hammer and the iron stick are moving tools which are not fixed, the stressed area is small, the hammer is easy to slide, and the fingers of operators are easy to be injured by crashing, so that safety accidents are caused; secondly, in the packing adding process, the iron rod and the packing are easy to slide, the packing cannot be tightly pressed and tamped, and the sealing effect is influenced; thirdly, the iron rod easily breaks down the screw thread of the packing box and the rod of the oil pumping unit when moving, thereby causing unnecessary loss; fourthly, the labor intensity is too high by adopting the mode that the hammer strikes the iron rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an add instrument for packing to when utilizing hand hammer and iron rod filling packing among the solution prior art, can not compact packing well and take place easily to injure the technical problem of accident by a crashing object.

The utility model discloses well add instrument for packing and adopt following technical scheme:

the utility model provides an add instrument for packing, including be used for with sucker rod direction complex sliding sleeve, be equipped with the opening on the sliding sleeve to supply the radial entering of sucker rod in the sliding sleeve, the opening part of sliding sleeve is equipped with the sealing, in order to prevent the sucker rod is followed roll-off in the sliding sleeve, the below of sliding sleeve is equipped with the impact head, is used for assaulting the packing.

The beneficial effects are that: the utility model provides an add instrument for packing when using, make the sucker rod earlier from the opening part radial entering sliding sleeve of sliding sleeve, utilize the sealing piece to seal the opening, the action about the sucker rod is followed to the operation sliding sleeve, can rely on the sucker rod to carry out radial spacing to the sliding sleeve in the motion process, utilizes the impact head of sliding sleeve below to strike the packing to compaction packing, the utility model provides an add instrument for packing and utilize the sucker rod to lead and fix a position, can carry out accurate compaction to the packing of assigned position, and avoided the slip phenomenon between impact head and packing in the compaction process, improve the compaction efficiency of packing and the security in the compaction process.

As a further improvement, the upper end and the lower end of the sliding sleeve are provided with sealing pieces.

The beneficial effects are that: the sealing pieces are arranged at the upper end and the lower end so as to prevent the corresponding part of the sucker rod from sliding out of the sliding sleeve when the sliding sleeve moves up and down along the sucker rod, thereby influencing the effect of guide fit.

As a further improvement, the sealing member is a limiting sleeve, the limiting sleeve is sleeved on the outer wall surface of the sliding sleeve and is in threaded fit with the sliding sleeve, an opening corresponding to the opening in the sliding sleeve is arranged on the limiting sleeve, and when the limiting sleeve is screwed with the sliding sleeve, the openings in the limiting sleeve and the sliding sleeve are staggered.

The beneficial effects are that: the sealing piece adopts a sleeve-shaped structure, so that the processing is convenient, and the matching with the sliding sleeve is convenient; the limiting sleeve is provided with an opening so that the sucker rod can radially enter the limiting sleeve when the limiting sleeve is installed; the stop collar and the sliding sleeve are in threaded fit, so that the stop collar and the sliding sleeve can be conveniently disassembled and assembled, and self-locking can be formed between the stop collar and the sliding sleeve during assembly.

As a further improvement, a cushion block is arranged on the inner wall surface of the sliding sleeve, an arc-shaped flange is arranged on the corresponding inner wall surface of the limiting sleeve, and the cushion block and the arc-shaped flange form radial stop matching on the circumference of the sucker rod so as to radially limit the sliding sleeve through the sucker rod.

The beneficial effects are that: the cushion block and the arc-shaped flange are matched with the sucker rod in a stopping manner on the circumference, so that the sliding sleeve moves up and down along the sucker rod more smoothly, the contact area between the sucker rod and the inner wall surface of the sliding sleeve can be reduced, and the resistance of the sliding sleeve during moving up and down is reduced.

As a further improvement, the cushion blocks are arranged at two ends of the sliding sleeve and form stop fit with the arc-shaped flanges in the axial direction of the sliding sleeve.

The beneficial effects are that: the cushion blocks are arranged at the two ends of the sliding sleeve, so that the distance between the cushion blocks and the arc-shaped flange is closer, a limiting surface in contact with the sucker rod is closer to a complete circumferential surface, and the guiding and matching effect is improved; secondly, can form the location to the stop collar, improve assembly efficiency.

As a further improvement, the impact head is detachably connected with a limiting sleeve at the lower end.

The beneficial effects are that: the impact head often needs to bear larger impact, is easy to damage, and is convenient to replace if detachably connected.

As a further improvement, the impact head is in threaded connection with a limiting sleeve at the lower end.

The beneficial effects are that: the threaded connection is convenient to process and disassemble and assemble.

As a further improvement, the cross section of the impact head is in a circular arc shape.

The beneficial effects are that: the arc-shaped cross section of the impact head is convenient for assembling with the limiting sleeve and is better attached to the outer wall surface of the sucker rod.

As a further improvement, the impact head is of a wedge-shaped structure from top to bottom.

The beneficial effects are that: the impact head is of a wedge-shaped structure, so that impact force is better concentrated, and a better compaction effect is achieved.

As a further improvement, the outer wall surface of the sliding sleeve is provided with a handle, the handle is integrally in a straight shape, and the handle and the sliding sleeve integrally form a cross-shaped structure.

The beneficial effects are that: the handle and the sliding sleeve integrally form a cross shape, so that force can be better applied to the sliding sleeve.

For the subject to be protected by the present patent, each preferred technical solution under the same subject may be adopted alone, and when the preferred technical solutions under the same subject can be combined, two or more preferred technical solutions under the same subject may be arbitrarily combined, and the technical solutions formed by the combination are not specifically described here, and are included in the description of the present patent in this form.

Drawings

FIG. 1 is a schematic structural view of a tool for adding a packing according to the present invention;

fig. 2 is a schematic view of the usage status of the tool for adding a packing in the present invention.

The names of the components corresponding to the corresponding reference numerals in the drawings are:

1. a sliding sleeve; 11. cushion blocks; 12. an opening; 2. an upper limit sleeve; 3. a lower limit sleeve; 4. an arcuate flange; 5. an impact head; 6. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the appearances of the phrase "comprising an … …" or similar limitation may be present without necessarily excluding the presence of additional identical elements in the process, method, article, or apparatus that comprises the same elements.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in further detail with reference to examples.

The utility model provides an add embodiment 1 of instrument for packing:

as shown in fig. 1, the instrument for adding packing that this embodiment provided includes one with sucker rod direction complex sliding sleeve 1, be equipped with the opening 12 that supplies the radial entering of sucker rod on the sliding sleeve 1, sliding sleeve 1's upper and lower both ends respectively are equipped with a stop collar, in order to prevent the sucker rod from opening 12 department roll-off sliding sleeve 1, the instrument for adding packing still includes a handle 6 and an impact head 5 in addition, when adding the packing, overlap sliding sleeve 1 outside the sucker rod, utilize the stop collar to carry out the blocking to opening 12, move from top to bottom along the sucker rod through handle 6 operation sliding sleeve 1, make impact head 5 strike packing with compaction packing.

Specifically, the sliding sleeve 1 is of a cylindrical structure as a whole, an opening 12 is formed in the side wall of the sliding sleeve 1, the extending direction of the opening 12 is consistent with the extending direction of the axis of the sliding sleeve 1, and the sliding sleeve 1 can be sleeved outside the sucker rod through the opening 12 to form guiding fit with the sucker rod. In addition, the upper end and the lower end of the sliding sleeve 1 are respectively provided with the limiting sleeve, namely an upper limiting sleeve 2 and a lower limiting sleeve 3, the upper limiting sleeve and the lower limiting sleeve are provided with openings corresponding to the upper opening 12 of the sliding sleeve 1, the whole structure is of a C-shaped structure and is used as a sealing piece to be sleeved on the outer wall surface of the sliding sleeve 1, the upper limiting sleeve and the lower limiting sleeve are in threaded fit with the sliding sleeve 1, as shown in figure 2, when the upper limiting sleeve and the lower limiting sleeve are screwed with the sliding sleeve 1, the openings on the upper limiting sleeve and the lower limiting sleeve are staggered, so that the limiting sleeve seals the opening 12 of the sliding sleeve 1 to prevent the pumping rod from sliding out of the sliding sleeve 1.

In this embodiment, two cushion blocks 11 are arranged on the inner wall surface of the sliding sleeve 1, the two cushion blocks 11 are respectively arranged near two ends of the sliding sleeve 1, the inner wall surfaces of the upper and lower limiting sleeves are provided with arc-shaped flanges 4, and the cushion blocks 11 and the arc-shaped flanges 4 are both located on the same cylindrical surface so as to radially position the sucker rod on the circumference. In addition, in order to facilitate the positioning of the stop collar during the assembly, the corresponding arc-shaped flange 4 and the port of the sliding sleeve 1 form a stop fit in the axial direction of the sliding sleeve 1.

In this embodiment, the impact head 5 is formed by machining a steel pipe and is in threaded connection with the lower limit sleeve 3 during assembly. The impact head 5 is of a wedge-shaped structure from top to bottom, and the cross section of the impact head is arc-shaped. In addition, the handle 6 is welded on the outer wall surface of the sliding sleeve 1, the handle 6 is in a straight shape, and forms a cross-shaped structure with the sliding sleeve 1 integrally.

The packing adding tool provided by the embodiment can generate better economic benefit, and the concrete analysis is that the time for adding the packing by using a hand hammer and an iron rod once is about 40 minutes, the time for adding the packing by using the tool provided by the embodiment is about 10 minutes, the construction time is shortened by thirty minutes compared with the original time, 1200 times of packing addition are calculated according to the whole area every year, twenty-five days of well opening time can be saved totally, the average daily yield of the whole area single well is 0.5 ton, the price of crude oil per ton is calculated according to 3500 yuan, the producible economic benefit is 13.3 ten thousand yuan, in addition, each expense generated by polished rod screw thread damage, personal injury and the like is about 10 ten thousand yuan, twenty ten thousand yuan net benefit can be brought in total, and the production cost of the single packing adding tool is only 300 yuan.

In the embodiment, when a packing is required to be added, the pumping unit is stopped, then the gland and the gland of the packing box are dismounted, the hanger is hung on the rope hanger, then the sliding sleeve 1 is sleeved outside the pumping rod, the limiting sleeves are respectively arranged at the two ends of the sliding sleeve 1 to ensure that the pumping rod is in guiding fit with the guide sleeve, and then the impact head 5 is arranged on the lower limiting sleeve 3, so that the preparation work is finished; only need next 6 messenger's sliding sleeve 1 of operating handle to move from top to bottom along the sucker rod, impact head 5 just can carry out the compaction to the packing of relevant position this moment, but also can be through the impact position of 1 adjustment impact head 5 of circumferential direction rotation sliding sleeve to the packing, utilize the direction and the positioning action of sucker rod for impact head 5 is to the accurate compaction of packing, and in the compaction process, is difficult for taking place relative slip between impact head 5 and the packing, improves the compaction efficiency of packing and the security among the compaction process.

The utility model discloses in add embodiment 2 of instrument for packing:

the difference between this embodiment and embodiment 1 lies in that the structure of sealing is different, and the sealing is the stop collar in embodiment 1, and the sealing adopts the latch hook structure in this embodiment, and open-ended one side is used for supplying the articulated installation of latch hook, and the opposite side is used for supplying latch hook overlap locking, can make the direction cooperation of sucker rod and sliding sleeve equally.

The utility model discloses in add embodiment 3 of instrument for packing:

the difference between the embodiment and the embodiment 1 lies in the installation position of the sealing member, and in the embodiment 1, one sealing member is respectively installed at the upper end and the lower end of the sliding sleeve. In the embodiment, four sealing pieces are arranged along the axial direction of the sliding sleeve, two of the sealing pieces are positioned at the upper end and the lower end of the sliding sleeve, the other two sealing pieces are positioned in the middle of the sliding sleeve, in other embodiments, the number and the installation position of the sealing pieces can be freely adjusted, and the sucker rod can only be ensured to slide out of the opening of the sliding sleeve.

The utility model discloses in add embodiment 4 of instrument for packing:

the difference between the embodiment and the embodiment 1 lies in the number of the cushion blocks, and in the embodiment 1, two cushion blocks are arranged on the inner wall surface of the sliding sleeve. In the embodiment, the inner wall surface of the sliding sleeve is provided with the cushion block, the cushion block is arranged in the middle of the sleeve and matched with the arc-shaped flange on the limiting sleeve, and radial positioning of the sucker rod can be realized in the circumferential direction.

The utility model discloses in add embodiment 5 of instrument for packing:

the present embodiment is different from embodiment 1 in the arrangement position of the spacers, and in embodiment 1, the two spacers are respectively arranged near both ends of the sleeve. In this embodiment, the two cushion blocks are respectively arranged at two end portions of the sleeve, and when the position-limiting sleeve is installed, the cushion blocks and the arc-shaped flanges on the corresponding position-limiting sleeve form stop fit in the axial direction of the sliding sleeve.

The utility model discloses in add embodiment 6 of instrument for packing:

the difference between the embodiment and the embodiment 1 lies in the installation position of the impact head, and in the embodiment 1, the impact head is screwed on the limit sleeve. In this embodiment, the impact head is integrally connected to the lower end of the sliding sleeve.

The utility model discloses in add embodiment 7 of instrument for packing:

the difference between this embodiment and embodiment 1 is the structure of the impact head, and in embodiment 1, the cross section of the impact head is circular arc. In this embodiment, the cross section of the impact head is bar-shaped.

The utility model discloses in add embodiment 8 of instrument for packing:

the difference between the embodiment and the embodiment 1 lies in the structure of the stop collar, and in the embodiment 1, the whole stop collar is in a C-shaped structure. In this embodiment, the stop collar is a collar.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an add instrument for packing, its characterized in that, including be used for with sucker rod direction complex sliding sleeve (1), be equipped with opening (12) on sliding sleeve (1) to supply the radial entering of sucker rod in sliding sleeve (1), the opening part of sliding sleeve (1) is equipped with the sealing, in order to prevent the sucker rod is followed roll-off in sliding sleeve (1), the below of sliding sleeve (1) is equipped with strikes head (5), is used for assaulting the packing.

2. The packing adding tool as set forth in claim 1, wherein the upper and lower ends of the sliding sleeve (1) are provided with sealing members.

3. The packing adding tool according to claim 1 or 2, wherein the sealing member is a limiting sleeve, the limiting sleeve is sleeved on the outer wall surface of the sliding sleeve (1) and is in threaded fit with the sliding sleeve (1), an opening corresponding to the opening (12) in the sliding sleeve is arranged on the limiting sleeve, and when the limiting sleeve and the sliding sleeve are screwed tightly, the openings in the limiting sleeve and the sliding sleeve are staggered.

4. The packing adding tool according to claim 3, wherein a cushion block (11) is arranged on the inner wall surface of the sliding sleeve (1), an arc-shaped flange (4) is arranged on the inner wall surface of the corresponding limiting sleeve, and the cushion block (11) and the arc-shaped flange (4) form radial stop fit on the circumference of the sucker rod so as to radially limit the sliding sleeve through the sucker rod.

5. Packing kit according to claim 4, characterised in that the spacers (11) are arranged at both ends of the sliding sleeve (1) and form a stop fit with the arc-shaped flange (4) in the axial direction of the sliding sleeve (1).

6. Packing kit according to claim 1 or 2 or 4 or 5, characterised in that the impact head (5) is detachably connected to a stop collar at the lower end.

7. The packing adding tool as set forth in claim 6, characterized in that the impact head (5) is in threaded connection with a stop collar at the lower end.

8. The packing instrument according to claim 7, characterized in that the cross-section of the impact head (5) is circular arc-shaped.

9. The packing adding tool as set forth in claim 8, wherein the impact head (5) is wedge-shaped from top to bottom.

10. The packing adding tool according to claim 1, 2, 4 or 5, wherein a handle (6) is arranged on the outer wall surface of the sliding sleeve (1), the handle (6) is in a straight shape integrally, and the handle and the sliding sleeve (1) form a cross-shaped structure integrally.