CN212296267U - Wellhead iron - Google Patents
Wellhead iron Download PDFInfo
- Publication number
- CN212296267U CN212296267U CN202020718158.3U CN202020718158U CN212296267U CN 212296267 U CN212296267 U CN 212296267U CN 202020718158 U CN202020718158 U CN 202020718158U CN 212296267 U CN212296267 U CN 212296267U
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- CN
- China
- Prior art keywords
- hole
- support column
- iron
- backup pad
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 36
- 230000004323 axial length Effects 0.000 claims description 8
- 238000005086 pumping Methods 0.000 abstract description 17
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a well head iron, include two backup pads and set up the support column between two backup pads, the both ends of support column offset with two backup pads respectively, two backup pads are provided with a through-hole respectively, the support column is equipped with the cavity passageway that link up, the central axis of through-hole with the coincidence of the central axis of cavity passageway, the through-hole in the backup pad at least is the step hole. The utility model discloses a set up the step hole in the backup pad, make support column and backup pad support in the step face in step hole mutually, realize the location of support column and backup pad on the one hand, on the other hand reduces the relative displacement between support column and the backup pad, makes the stability between support column and the backup pad increase to reduce the friction of support column and beam-pumping unit polished rod, reduce the probability of beam-pumping unit polished rod wearing and tearing.
Description
Technical Field
The utility model belongs to the technical field of oil development apparatus technique and specifically relates to a well head iron is related to.
Background
At present, a load meter of a beam-pumping unit and a belt-pumping unit in an oil field is arranged between a rope hanger and a square clamp, and when the load meter is overhauled and replaced, the load of the pumping unit needs to be unloaded. In the unloading process, the situations of polished rod slippage, slip sheet crushing, burr generation of the polished rod and the like occur occasionally, and the operations of fastening a square clip, replacing a slip sheet, removing burrs and the like are needed for many times, so that potential safety hazards exist, the labor intensity of operators is increased, the maintenance cost is increased, the well shut-down time is prolonged, the crude oil yield is reduced, and the economic benefit is influenced.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a well head iron, this well head iron is the increase of the distance between square calliper and the polished rod eye, cooperates with specialized tool for operating personnel can overhaul, dismantle the load appearance comparatively conveniently, thereby eliminate the potential safety hazard, reduce operating personnel's intensity of labour, raise the efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a well head iron, includes two backup pads and sets up the support column between two backup pads, the both ends of support column offset with two backup pads respectively, two backup pads are provided with a through-hole respectively, the support column is equipped with the cavity passageway that link up, the central axis of through-hole with the coincidence of the central axis of cavity passageway, the through-hole in the backup pad of at least is the step hole.
Furthermore, the support column and the support plate provided with the step hole are abutted against the step surface of the step hole.
Further, the stepped hole comprises a large hole and a small hole, and the axial length of the large hole is smaller than that of the small hole.
Further, the diameter of the hollow channel of the support column is equal to the diameter of the small hole of the stepped hole.
Further, the outer diameter of the support column is equal to the diameter of the large hole of the stepped hole.
Furthermore, the two supporting plates are respectively a first supporting plate and a second supporting plate which are arranged at the upper end and the lower end of the supporting column, the through holes arranged in the first supporting plate and the second supporting plate are step holes and are respectively a first step hole and a second step hole, and two end faces of the supporting column are respectively abutted against step faces of the first step hole and the second step hole.
Furthermore, the two supporting plates are respectively a first supporting plate and a second supporting plate which are arranged at the upper end and the lower end of the supporting column, the through hole of one supporting plate is a step hole, one end face of the supporting column is abutted against the step face of the step hole, and the other end face of the supporting column is abutted against the end face of the other supporting plate.
Further, the diameter of the through hole of the other support plate is equal to the diameter of the hollow channel of the support column.
Furthermore, the end face, facing the support column, of the first support plate is a plane or a circular arc surface.
Furthermore, the support column is located the cylinder outside the through-hole, and the cylinder width along two backup pads length direction is not more than along the cylinder width of two backup pads width direction.
Adopt technical scheme after, bring following beneficial effect:
the utility model provides a well head iron through set up the step hole in the backup pad, makes support column and backup pad support in the step face in step hole mutually, realizes the location of support column and backup pad on the one hand, and on the other hand reduces the relative displacement between support column and the backup pad, makes the stability between support column and the backup pad increase to reduce the friction of support column and beam-pumping unit polished rod, reduce the probability of beam-pumping unit polished rod wearing and tearing.
The utility model provides a well head iron, the macroporous axial length of step hole is less than the axial length of aperture, can ensure that the step face in step hole has reasonable thickness to the backup pad between another terminal surface of aperture, prevents that this part backup pad from warping.
Drawings
FIG. 1: the embodiment of the utility model provides a provide a head view of well head iron.
FIG. 2: another embodiment of the utility model provides a front view of a well head iron.
FIG. 3: the embodiment of the utility model provides a left side view of well head iron that provides.
FIG. 4: the embodiment of the utility model provides a top view of well head iron that provides.
FIG. 5: the embodiment of the utility model provides a provide a front view of second backup pad of well head iron.
FIG. 6: the embodiment of the utility model provides a top view of second backup pad of well head iron that provides.
Reference numerals: 1. a first support plate; 11. a first stepped bore; 2. a second support plate; 21. a second stepped bore; 3. a support pillar; 4. macropores; 5. a small hole; 6. step surface
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The wellhead iron is applied to the pumping unit in the petroleum industry. A polished rod of the pumping unit is sequentially connected with a square clamp, wellhead iron, a load instrument and a rope hanger from top to bottom, the cross section of the load instrument is smaller than that of the rope hanger, the load instrument is connected with the rope hanger, and the load instrument is positioned in the middle of the end face of the rope hanger. When overhauing, changing the load appearance, the load of oil pumping unit needs to be uninstalled, and this needs to use professional tools such as jack to assist, if the distance undersize between polished rod eye and the square calliper, then can't use the jack, increases and dismantles the degree of difficulty. The distance between the square clamp and the rope hanger can be increased by the wellhead iron, so that the lifting jack can be conveniently and fast used for assisting in dismounting.
As shown in fig. 1 to 4, a wellhead iron comprises two supporting plates and a supporting column 3 arranged between the two supporting plates, wherein two ends of the supporting column 3 are respectively abutted against the two supporting plates, the two supporting plates are respectively provided with a through hole, the supporting column is provided with a through hollow channel, the central axis of the through hole coincides with the central axis of the through hollow channel of the supporting column 3, and the through hole in at least one supporting plate is a step hole.
It is specific, the well head iron is including two backup pads that set up from top to bottom and set up support column 3 between two backup pads, the central point of two backup pads puts and has set up a through-hole respectively, support column 3 is hollow structure, be provided with the cavity passageway that link up, the both ends of support column 3 offset with the terminal surface of two backup pads respectively, and offset in the central point of two backup pads puts, make the central axis of two through-holes and the central axis coincidence of support column 3 cavity passageway, thereby make the central point of whole well head iron put and form a pore about running through, in order to supply the polished rod of beam-pumping unit to pass. In the two supporting plates, the through hole on at least one supporting plate is set as a step hole. The support column 3 and the support plate provided with the step hole are abutted against the step surface 6 of the step hole. The stepped hole comprises a large hole 4 and a small hole 5 (see figures 5 and 6), the axial length of the large hole 4 is smaller than that of the small hole 5, the axial length of the large hole 4 is 3-7mm, the diameter of the large hole 4 is larger than that of the small hole 5, the diameter of the hollow channel of the support column 3 is equal to that of the small hole 5 of the stepped hole, and the outer diameter of the support column 3 is equal to that of the large hole 4 of the stepped hole.
Set up support column 3 between two backup pads of well head iron for well head iron increases along polished rod axial length, and then makes the distance between square checkpost and the polished rod eye increase. Set up the step hole in the backup pad, make support column 3 support the step face 6 in the step hole with the backup pad, realize the location of support column 3 and backup pad on the one hand, on the other hand reduces the relative displacement between support column 3 and the backup pad, makes the stability between support column 3 and the backup pad increase to reduce the friction of support column 3 and beam-pumping unit polished rod, reduce the probability of beam-pumping unit polished rod wearing and tearing.
The axial length of the large hole 4 of the stepped hole is smaller than that of the small hole 5, so that the support plate between the stepped surface 6 of the stepped hole and the other end surface of the small hole 5 has reasonable thickness, the support plate is prevented from deforming, and the load instrument or the square clamp connected with the support plate is prevented from being damaged due to the deformation of the support plate.
The supporting column 3 is provided with a through hollow channel, the center of the supporting plate is provided with a through hole, mainly for forming a pore passage for the polish rod of the pumping unit to pass through, the pore passage only needs to enable the polish rod of the pumping unit to pass through smoothly, the diameter of the hollow channel of the supporting column 3 is equal to that of the small hole 5 of the stepped hole, and the pore passages formed by the hollow channel of the supporting column 3 and the small hole 5 of the stepped hole have a single inner diameter, namely, the width of the part of the pore passage formed by the hollow channel of the supporting column 3 and the width of the part of the pore passage formed by the small hole 5 of the stepped hole are smaller widths for the polish rod to pass through, so that the supporting plate of the part of the supporting column 3 which is not hollow and the part of the.
The diameter of the outer diameter of the support column 3 is equal to that of the large hole 4 of the stepped hole, so that the support column 3 is embedded into the stepped hole, the support column 3 is prevented from moving along the horizontal direction, and the polished rod is prevented from being abraded.
The utility model discloses an among the embodiment, two backup pads are respectively for setting up in first backup pad 1 and the second backup pad 2 at support column 3 upper and lower both ends, set up and are the step hole in the through-hole of first backup pad 1 and second backup pad 2, are first step hole 11 and second step hole 21 respectively, and the both ends face of support column 3 offsets with the step face 6 of first step hole 11 and second step hole 21 respectively. All set up the step hole in two backup pads, it is more convenient to make the location of support column 3 on the one hand, and on the other hand makes the possibility that relative displacement takes place for support column 3 and backup pad lower, increases the stability between support column 3 and the backup pad, reduces the friction of well head iron and beam-pumping unit polished rod, reduces the probability of beam-pumping unit polished rod wearing and tearing.
The utility model discloses a another embodiment does, and two backup pads are respectively for setting up in the first backup pad 1 and the second backup pad 2 at support column 3 upper and lower both ends, and the through-hole of one of them backup pad is the step hole, and a terminal surface of support column 3 offsets with step face 6 in step hole, and another terminal surface offsets with the terminal surface of another backup pad. The diameter of the through hole of the other support plate is equal to the diameter of the hollow channel of the support column 3. That is, the through hole provided in the first support plate 1 is a stepped hole, and the through hole provided in the second support plate 2 is a general through hole, or the through hole provided in the first support plate 1 is a general through hole, and the through hole provided in the second support plate 2 is a stepped hole. Only the through hole of a backup pad is the step hole, then well head iron is dismantled comparatively conveniently.
The utility model discloses an among the embodiment, first backup pad 1 is plane or arc surface towards the terminal surface of support column 3, promptly, terminal surface is plane or arc surface under first backup pad 1. When utilizing the jack to assist dismantlement load appearance, the supporting seat of jack offsets with 1 terminal surface down of first backup pad, in order to make jack and well head iron can cooperate better, the lower terminal surface of first backup pad 1 have with the supporting seat complex shape of jack, be the plane when the supporting seat of jack, then the lower terminal surface of first backup pad 1 is the plane, is the arc surface when the supporting seat of jack, then the lower terminal surface of first backup pad 1 is the complex arc surface with it.
The utility model discloses an among the embodiment, support column 3 is located the cylinder outside the through-hole, and the cylinder width on two backup pad length direction of edge is not more than the cylinder width on two backup pad width direction of edge.
Specifically, the hollow structure of the support column 3 and the through holes in the two support plates are matched with the polished rod in shape, for example, if the cross section of the polished rod is circular, the cross section of the hollow structure of the support column 3 and the cross sections of the through holes in the two support plates are also circular. If two backup pads all set up the step hole, then the both ends of support column 3 all are located the step hole, if only one of them backup pad sets up the step hole, then the one end of support column 3 is located the step hole, support column 3 is located the cylinder outside the step hole, the projection of its periphery in the backup pad can be circular also can be non-circular, promptly, when the periphery is circular, whole support column 3 is regular hollow cylinder, when the periphery is non-circular, this part cylinder mills the opposite side by former hollow cylinder and forms, the opposite side of being milled is close to the relative both sides of backup pad respectively, the distance between this relative both sides is the length of backup pad. Thus, after the opposite sides are milled, the width of the part of the column body of the supporting column 3 is reduced, the distance from the two opposite sides of the supporting plate to the part of the column body is increased, and when the supporting plate is matched with a jack, a piston cylinder for placing the jack in a relatively wide position can be provided.
Alternatively, the ends of the support columns 3 in the stepped holes may also be milled opposite sides, i.e. the entire support column 3 is milled opposite sides.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention will still fall within the scope of the present invention.
Claims (10)
1. The utility model provides a well head iron, includes two backup pads and sets up the support column between two backup pads, the both ends of support column offset its characterized in that with two backup pads respectively: the support column is provided with a through hole, the support column is provided with a through hollow channel, the central axis of the through hole is superposed with the central axis of the hollow channel, and the through hole in at least one support plate is a step hole.
2. A wellhead iron as claimed in claim 1, wherein: the support column and the support plate provided with the step hole are abutted against the step surface of the step hole.
3. A wellhead iron as claimed in claim 2, wherein: the stepped hole comprises a large hole and a small hole, and the axial length of the large hole is smaller than that of the small hole.
4. A wellhead iron as claimed in claim 3, wherein: the diameter of the hollow channel of the support column is equal to the diameter of the small hole of the stepped hole.
5. A wellhead iron as claimed in claim 4, wherein: the outer diameter of the support column is equal to the diameter of a large hole of the stepped hole.
6. A wellhead iron as claimed in claim 1, wherein: the two supporting plates are respectively a first supporting plate and a second supporting plate which are arranged at the upper end and the lower end of the supporting column, the through holes arranged in the first supporting plate and the second supporting plate are step holes and are respectively a first step hole and a second step hole, and two end faces of the supporting column respectively abut against the step faces of the first step hole and the second step hole.
7. A wellhead iron as claimed in claim 1, wherein: the two supporting plates are respectively a first supporting plate and a second supporting plate which are arranged at the upper end and the lower end of the supporting column, the through hole of one supporting plate is a step hole, one end face of the supporting column is abutted against the step face of the step hole, and the other end face of the supporting column is abutted against the end face of the other supporting plate.
8. A wellhead iron as claimed in claim 7, wherein: the diameter of the through hole of the other supporting plate is equal to the diameter of the hollow channel of the supporting column.
9. A wellhead iron as claimed in any one of claims 6 to 8, characterised in that: the end face, facing the support column, of the first support plate is a plane or an arc surface.
10. A wellhead iron as claimed in any one of claims 1 to 7, characterised in that: the support column is located the cylinder outside the through-hole, and the cylinder width on along two backup pad length direction is not more than along the cylinder width on two backup pad width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020718158.3U CN212296267U (en) | 2020-04-30 | 2020-04-30 | Wellhead iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020718158.3U CN212296267U (en) | 2020-04-30 | 2020-04-30 | Wellhead iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296267U true CN212296267U (en) | 2021-01-05 |
Family
ID=73965154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020718158.3U Expired - Fee Related CN212296267U (en) | 2020-04-30 | 2020-04-30 | Wellhead iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212296267U (en) |
-
2020
- 2020-04-30 CN CN202020718158.3U patent/CN212296267U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |