CN204300077U - Ram preventer lifting bolt - Google Patents
Ram preventer lifting bolt Download PDFInfo
- Publication number
- CN204300077U CN204300077U CN201420700157.0U CN201420700157U CN204300077U CN 204300077 U CN204300077 U CN 204300077U CN 201420700157 U CN201420700157 U CN 201420700157U CN 204300077 U CN204300077 U CN 204300077U
- Authority
- CN
- China
- Prior art keywords
- lifting
- cylindrical section
- section
- ram preventer
- hand member
- 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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Abstract
<b> the utility model relates to drilling well well-control blowout prevention device hoisting technology field, and be a kind of ram preventer lifting bolt, it comprises bolt head, lifting portion and screw rod; Lifting portion is provided with between the right-hand member of bolt head and the left end of screw rod, the left end in lifting portion and the right-hand member of bolt head are connected as a single entity, the right-hand member in lifting portion and the left end of screw rod are connected as a single entity, and the outside around lifting portion is provided with and can be set with wire line hitch and limits its lifting groove moved left and right.The utility model reasonable and compact in structure, easy to use, it can install lifting wire line hitch by the lifting groove in wiring section, left cylindrical section and right cylindrical section, and limit it and move left and right, reduce the security risk of dismounting ram preventer, improve the working efficiency of dismounting and maintenance, there is simple, safe and reliable, laborsaving, easy, the efficient feature of structure.</b>
Description
Technical field
the utility model relates to drilling well well-control blowout prevention device hoisting technology field, is a kind of ram preventer lifting bolt.
Background technique
ram preventer is the crucial well control device realizing in drillng operation controlling well head pressure, general tonnage is larger, but do not design proprietary wire rope lifting position, tradition is all directly hung over by steel wire loop on side door fluid cylinder when carrying out dismounting, because preventer deadweight is larger, easily cause fluid cylinder to be out of shape, and then affect the sealing of cylinder body, cause sealing to be lost efficacy in advance.In addition, because fluid cylinder ectosome often has chamfering, wire rope deformation and fracture may be caused in lifting, there is potential safety hazard.
Summary of the invention
the utility model provides a kind of ram preventer lifting bolt, overcome the deficiency of above-mentioned prior art, when it effectively can solve the lifting of existing ram preventer, hang on side door fluid cylinder with steel wire loop and lift, fluid cylinder is yielding, affect cylinder body seal, the yielding problem even rupturing, there is potential safety hazard of wire rope.
the technical solution of the utility model is realized by following measures: a kind of ram preventer lifting bolt, comprises bolt head, lifting portion and screw rod; Lifting portion is provided with between the right-hand member of bolt head and the left end of screw rod, the left end in lifting portion and the right-hand member of bolt head are connected as a single entity, the right-hand member in lifting portion and the left end of screw rod are connected as a single entity, and the outside around lifting portion is provided with and can be set with wire line hitch and limits its lifting groove moved left and right.
here is the further optimization and/or improvements to above-mentioned model utility technological scheme:
above-mentioned lifting portion can comprise left cylindrical section, wiring section and right cylindrical section; The left end of left cylindrical section and the right-hand member of bolt head are connected as a single entity, and the right-hand member of right cylindrical section and the left end of screw rod are connected as a single entity, and left cylindrical section, wiring section and right cylindrical section are connected as a single entity from left to right, and lifting groove is positioned on the outer side surface of wiring section.
the external diameter of above-mentioned left cylindrical section can be greater than the external diameter of bolt head, and the external diameter of right cylindrical section can be equal with the external diameter of left cylindrical section, and the recess diameter of wiring section can be more than or equal to outer screw diameter.
can there be chamfering at the two ends, left and right of above-mentioned left cylindrical section and the two ends, left and right of right cylindrical section respectively, or/and the bottom surface of lifting groove can be arc surface.
above-mentioned screw rod can comprise polished rod section and thread section; There is retaining thread in the outside of thread section, and the right-hand member in lifting portion and the left end of polished rod section are connected as a single entity, and the right-hand member of polished rod section and the left end of thread section are connected as a single entity.
above-mentioned retaining thread can be the common outside thread of coarse thread that tooth form is equilateral triangle.
above-mentioned bolt head can be hexagonal prism.
the utility model reasonable and compact in structure, easy to use, it can install lifting wire line hitch by the lifting groove in wiring section, left cylindrical section and right cylindrical section, and limit it and move left and right, reduce the security risk of dismounting ram preventer, improve the working efficiency of dismounting and maintenance, there is simple, safe and reliable, laborsaving, easy, the efficient feature of structure.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.
accompanying drawing 2 is the left TV structure schematic diagram of accompanying drawing 1.
coding in accompanying drawing is respectively: 1 is bolt head, and 2 is lifting groove, and 3 is left cylindrical section, and 4 is wiring section, and 5 is right cylindrical section, and 6 is polished rod section, and 7 is thread section, and 8 is retaining thread, and d1 is recess diameter, and d0 is outer screw diameter, and L is the length dimension of polished rod section.
Embodiment
the utility model by the restriction of following embodiment, can not determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this ram preventer lifting bolt comprises bolt head 1, lifting portion and screw rod; Lifting portion is provided with between the right-hand member of bolt head 1 and the left end of screw rod, the left end in lifting portion and the right-hand member of bolt head 1 are connected as a single entity, the right-hand member in lifting portion and the left end of screw rod are connected as a single entity, and the outside around lifting portion is provided with and can be set with wire line hitch and limits its lifting groove 2 moved left and right.Can lifting wire line hitch be sleeved in lifting portion of the present utility model by lifting groove 2; and restriction overlap wire line hitch and move left and right; the available protecting side door fluid cylinder of ram preventer; reduce the security risk in ram preventer disassembly process, also improve the working efficiency of dismounting and maintenance.During actual use, only the plain bolt of upper end, former ram preventer side door both sides need be replaced with the utility model, after the utility model is tightened, the hitch at wire rope two ends is set with in the lifting groove 2 of the present utility model of both sides during lifting, the lifting of ram preventer can be carried out.
according to actual needs, above-mentioned ram preventer lifting bolt can be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, lifting portion comprises left cylindrical section 3, wiring section 4 and right cylindrical section 5; The left end of left cylindrical section 3 and the right-hand member of bolt head 1 are connected as a single entity, and the right right-hand member of cylindrical section 5 and the left end of screw rod are connected as a single entity, and left cylindrical section 3, wiring section 4 and right cylindrical section 5 are connected as a single entity from left to right, and lifting groove 2 is positioned on the outer side surface of wiring section 4.Left cylindrical section 3 and right cylindrical section 5 form step at lifting groove 2 the right and left, can effectively limit wire line hitch and move left and right.
as shown in accompanying drawing 1,2, the external diameter of left cylindrical section 3 is greater than the external diameter of bolt head 1, and the external diameter of right cylindrical section 5 is equal with the external diameter of left cylindrical section 3, and the recess diameter d1 of wiring section 4 is more than or equal to outer screw diameter d0.The external diameter that the external diameter of left cylindrical section 3 is greater than bolt head 1 can prevent wire line hitch from bolt head 1 slippage; Right cylindrical section 5 is equal with the external diameter of left cylindrical section 3 to be convenient to manufacture and to process; Recess diameter d1 is more than or equal to the intensity that outer screw diameter d0 can improve wiring section 4 neck, prevents the utility model from the fracture of wiring section 4 neck or distortion.
as shown in accompanying drawing 1,2, there is chamfering at the two ends, left and right of left cylindrical section 3 and the two ends, left and right of right cylindrical section 5 respectively, or/and the bottom surface of lifting groove 2 is arc surface.Left cylindrical section 3 and right cylindrical section about 5 two ends chamfering respectively, can avoid Sharp edge to hurt wire rope, available protecting lifting wire line hitch; The bottom surface of lifting groove 2 is arc surface, can lift wire line hitch by available protecting, avoid wire rope deformation and fracture, more safe and reliable.
as shown in accompanying drawing 1,2, screw rod comprises polished rod section 6 and thread section 7; There is retaining thread 8 in the outside of thread section 7, and the right-hand member in lifting portion and the left end of polished rod section 6 are connected as a single entity, and the right-hand member of polished rod section 6 and the left end of thread section 7 are connected as a single entity.The length dimension L of polished rod section is preferably equal to or less than the thickness size of ram preventer side door.
as shown in accompanying drawing 1,2, retaining thread 8 for tooth form be the common outside thread of coarse thread of equilateral triangle.Retaining thread 8 is coarse plain thread, can fix internal thread match with side door of blowout preventer.
as shown in accompanying drawing 1,2, bolt head 1 is hexagonal prism.Bolt head 1 is identical with the bolt head of conventional hexagonal hook bolt, is more convenient to assembling.
above technical characteristics constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, meet the demand of different situations.
Claims (10)
1. a ram preventer lifting bolt, is characterized in that comprising bolt head, lifting portion and screw rod; Lifting portion is provided with between the right-hand member of bolt head and the left end of screw rod, the left end in lifting portion and the right-hand member of bolt head are connected as a single entity, the right-hand member in lifting portion and the left end of screw rod are connected as a single entity, and the outside around lifting portion is provided with and can be set with wire line hitch and limits its lifting groove moved left and right.
2. ram preventer lifting bolt according to claim 1, is characterized in that lifting portion comprises left cylindrical section, wiring section and right cylindrical section; The left end of left cylindrical section and the right-hand member of bolt head are connected as a single entity, and the right-hand member of right cylindrical section and the left end of screw rod are connected as a single entity, and left cylindrical section, wiring section and right cylindrical section are connected as a single entity from left to right, and lifting groove is positioned on the outer side surface of wiring section.
3. ram preventer lifting bolt according to claim 2, it is characterized in that the external diameter of left cylindrical section is greater than the external diameter of bolt head, the external diameter of right cylindrical section is equal with the external diameter of left cylindrical section, and the recess diameter of wiring section is more than or equal to outer screw diameter.
4. ram preventer lifting bolt according to claim 2, is characterized in that there is chamfering at the two ends, left and right of left cylindrical section and the two ends, left and right of right cylindrical section respectively, or/and the bottom surface of lifting groove is arc surface.
5. ram preventer lifting bolt according to claim 3, is characterized in that there is chamfering at the two ends, left and right of left cylindrical section and the two ends, left and right of right cylindrical section respectively, or/and the bottom surface of lifting groove is arc surface.
6. the ram preventer lifting bolt according to claim 1 or 2 or 3 or 4 or 5, is characterized in that screw rod comprises polished rod section and thread section; There is retaining thread in the outside of thread section, and the right-hand member in lifting portion and the left end of polished rod section are connected as a single entity, and the right-hand member of polished rod section and the left end of thread section are connected as a single entity.
7. ram preventer according to claim 6 lifting bolt, is characterized in that retaining thread to be tooth form is the common outside thread of coarse thread of equilateral triangle.
8. the ram preventer lifting bolt according to claim 1 or 2 or 3 or 4 or 5, is characterized in that bolt head is hexagonal prism.
9. ram preventer lifting bolt according to claim 6, is characterized in that bolt head is hexagonal prism.
10. ram preventer lifting bolt according to claim 7, is characterized in that bolt head is hexagonal prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700157.0U CN204300077U (en) | 2014-11-20 | 2014-11-20 | Ram preventer lifting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700157.0U CN204300077U (en) | 2014-11-20 | 2014-11-20 | Ram preventer lifting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300077U true CN204300077U (en) | 2015-04-29 |
Family
ID=53105620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700157.0U Expired - Fee Related CN204300077U (en) | 2014-11-20 | 2014-11-20 | Ram preventer lifting bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895894A (en) * | 2015-07-01 | 2015-09-09 | 苏州利宏原精密零件有限公司 | Screw convenient to use |
-
2014
- 2014-11-20 CN CN201420700157.0U patent/CN204300077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895894A (en) * | 2015-07-01 | 2015-09-09 | 苏州利宏原精密零件有限公司 | Screw convenient to use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20201120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |