CN200968185Y - Bidirectional hydraulic slips - Google Patents
Bidirectional hydraulic slips Download PDFInfo
- Publication number
- CN200968185Y CN200968185Y CN 200720115415 CN200720115415U CN200968185Y CN 200968185 Y CN200968185 Y CN 200968185Y CN 200720115415 CN200720115415 CN 200720115415 CN 200720115415 U CN200720115415 U CN 200720115415U CN 200968185 Y CN200968185 Y CN 200968185Y
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- dental lamina
- piston
- last
- slip spider
- 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 - Lifetime
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A bilateral hydraulic slip comprises a slip base (1), an upper slide block (2), a lower slide block (3), an upper dental plate (4) and a lower dental plate (5); wherein, the slip base (1) is a ring platform that is provided with a cone central hole (11), an upper hydraulic cylinder (13) and a lower hydraulic cylinder (14), the upper hydraulic cylinder (13) and the lower hydraulic cylinder (14) are respectively provided with an upper piston (15) and a lower piston (16), the tail end of the piston rod of the upper piston (15) and the lower piston (16) is connected with each other through an upper connection plate (151) and a lower connection plate (161), the upper slide block (2) and the lower slide block (3) are a cylindrical shaped sectorial cylinder that is arranged on both the upper side and the lower side of the slip base central hole (11), the upper dental plate (4) and the lower dental plate (5) are a sectorial cylinder that is separately fixed on the inner concave wall of the upper slide block (2) and the lower slide block (3), the upper slide block (2) is connected with the upper connection plate (151) through an upper connection rod (6) and the lower slide block (3) is connected with the lower connection plate (161) through the lower connection rod (7). The bilateral hydraulic slip is capable of clamping the tube column on double directions along the axial direction, which has the advantages of large clamping force and high reliability.
Description
Technical field
The utility model relates to oil drilling, well workover hydraulic pressure pipe slips.
Background technology
Slips has been used for the tubing string jig of lower tubular column when being oil drilling, well workover, existing hydraulic pressure pipe slips can only be with the unidirectional vertically chucking of tubing string, can not be with the two-way vertically chucking of tubing string.
The utility model content
The purpose of this utility model provide a kind of can be with the tubing string bidirectional hydraulic pressure pipe slips of two-way chucking vertically.
Technical solution of the present utility model is: it includes slip spider, top shoe, sliding block, last dental lamina and following dental lamina, slip spider is the big taper mesopore in little two ends in the middle of having, be axially arranged with the annular stage body of opposite last hydraulic cylinder of direction and following hydraulic cylinder between mesopore and the outer wall, be respectively equipped with upper piston and lower piston vertically in last hydraulic cylinder and the following hydraulic cylinder, the piston rod tail end of upper piston and lower piston links to each other with lower plate by annular upper plate respectively, top shoe is positioned at slip spider mesopore both sides up and down with sliding block for the relative tubular that is respectively, periphery wall is provided with the fan cylindrical shell of the conical surface that matches with the slip spider mesopore, last dental lamina and following dental lamina are respectively the fan cylindrical shell that is fixed on top shoe and the sliding block inner concave wall, top shoe links to each other with the last connecting rod that it is hinged respectively by two ends with upper plate, and sliding block is connected with the lower link that it is hinged respectively by two ends with lower plate.
Technique effect of the present utility model is: it can be with the two-way vertically chucking of tubing string, and it is big to have a clamping force, the advantage that reliability is high.
Description of drawings
Fig. 1 is that the utility model embodiment is along the upper piston sectional view;
Fig. 2 is that the utility model embodiment is along the lower piston sectional view;
Fig. 3 is that the utility model embodiment is along the guide peg sectional view;
Fig. 4 is the utility model embodiment sliding block stereogram;
Fig. 5 is a dental lamina stereogram under the utility model embodiment.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, it includes slip spider 1, top shoe 2, sliding block 3, last dental lamina 4 and following dental lamina 5, slip spider 1 is the big taper mesopore 11 in little two ends in the middle of having, be axially arranged with the annular stage body of opposite last hydraulic cylinder of direction 13 and following hydraulic cylinder 14 between mesopore 11 and the outer wall 12, be respectively equipped with upper piston 15 and lower piston 16 vertically in last hydraulic cylinder 13 and the following hydraulic cylinder 14, the piston rod tail end of upper piston 15 and lower piston 16 links to each other with lower plate 161 by annular upper plate 151 respectively, top shoe 2 and sliding block 3 is positioned at the slip spider mesopore about in the of 11 both sides for the relative tubular that is respectively, periphery wall is provided with the fan cylindrical shell of the conical surface that matches with slip spider mesopore 11, last dental lamina 4 and following dental lamina 5 are respectively the fan cylindrical shell that is fixed on top shoe 2 and sliding block 3 inner concave wall, top shoe 2 links to each other with the last connecting rod 6 that it is hinged respectively by two ends with upper plate 151, and sliding block 3 is connected with its lower link that is hinged 7 respectively by two ends with lower plate 161.Be respectively equipped with flange 17,18 on the upper surface of slip spider 1 and the edge, lower surface, be fixed with upper bush 8 and lower sleeve 9 that two ends are respectively equipped with flange 81,82 and 91,92 on it respectively.Be axially arranged with guide peg hole 19 between slip spider mesopore 11 and the outer wall 12, be fixed with guide peg 10 by guide peg by cap 101 in it, guide peg 10 two ends are through at respectively by being separately fixed at by cap 102,103 in the fairlead 104,105 on upper plate 151 and the lower plate 161.Upper piston 15 and lower piston 16 radially are fixed on the slip spider in the hydraulic cylinder 13 and following hydraulic cylinder 14 by sealing silk braid 152,162 respectively.Be respectively equipped with annular slot 21,31 on the inner concave wall of top shoe 2 and sliding block 3, be respectively equipped with annular snap platform 41,51 on last dental lamina 4 and the following dental lamina 5 evagination walls, be respectively equipped with set bolt 22,32 between top shoe 2 and the last dental lamina 4 and between sliding block 3 and the following dental lamina 5, be respectively equipped with anti-skidding line on the inner concave wall of last dental lamina 4 and following dental lamina 5.Be respectively equipped with hydraulic oil through hole 131,141 between last hydraulic cylinder 13 and following hydraulic cylinder 14 and slip spider 1 outer wall.
Claims (6)
1, bidirectional hydraulic pressure pipe slips, it is characterized in that: it includes slip spider (1), top shoe (2), sliding block (3), last dental lamina (4) and following dental lamina (5), slip spider (1) is the big taper mesopore (11) in little two ends in the middle of having, be axially arranged with the annular stage body of opposite last hydraulic cylinder (13) of direction and following hydraulic cylinder (14) between mesopore (11) and the outer wall (12), be respectively equipped with upper piston (15) and lower piston (16) in last hydraulic cylinder (13) and the following hydraulic cylinder (14) vertically, the piston rod tail end of upper piston (15) and lower piston (16) links to each other with lower plate (161) by annular upper plate (151) respectively, top shoe (2) is positioned at slip spider mesopore (11) both sides up and down with sliding block (3) for the relative tubular that is respectively, periphery wall is provided with the fan cylindrical shell of the conical surface that matches with slip spider mesopore (11), last dental lamina (4) and following dental lamina (5) are respectively the fan cylindrical shell that is fixed on top shoe (2) and sliding block (3) inner concave wall, top shoe (2) links to each other with the last connecting rod (6) that it is hinged respectively by two ends with upper plate (151), and sliding block (3) is connected with its lower link that is hinged (7) respectively by two ends with lower plate (161).
2, bidirectional hydraulic pressure pipe slips as claimed in claim 1, it is characterized in that being respectively equipped with flange (17), (18) on the upper surface of described slip spider (1) and the edge, lower surface, be fixed with upper bush (8) and lower sleeve (9) that two ends are respectively equipped with flange (81), (82) and (91), (92) on it respectively.
3, bidirectional hydraulic pressure pipe slips as claimed in claim 1, it is characterized in that being axially arranged with guide peg hole (19) between described slip spider mesopore (11) and the outer wall (12), be fixed with guide peg (10) by guide peg by cap (101) in it, guide peg (10) two ends are through at respectively by being separately fixed at by cap (102), (103) in fairlead (104) on upper plate (151) and the lower plate (161), (105).
4, bidirectional hydraulic pressure pipe slips as claimed in claim 1 is characterized in that described upper piston (15) and lower piston (16) radially are fixed in hydraulic cylinder on the slip spider (13) and the following hydraulic cylinder (14) by sealing silk braid (152), (162) respectively.
5, bidirectional hydraulic pressure pipe slips as claimed in claim 1, it is characterized in that being respectively equipped with annular slot (21), (31) on the inner concave wall of described top shoe (2) and sliding block (3), be respectively equipped with annular snap platform (41), (51) on last dental lamina (4) and following dental lamina (5) the evagination wall, be respectively equipped with set bolt (22), (32) between top shoe (2) and the last dental lamina (4) and between sliding block (3) and the following dental lamina (5), be respectively equipped with anti-skidding line on the inner concave wall of last dental lamina (4) and following dental lamina (5).
6, bidirectional hydraulic pressure pipe slips as claimed in claim 1 is characterized in that described going up between hydraulic cylinder (13) and following hydraulic cylinder (14) and slip spider (1) outer wall is respectively equipped with hydraulic oil through hole (131), (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720115415 CN200968185Y (en) | 2007-01-17 | 2007-01-17 | Bidirectional hydraulic slips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720115415 CN200968185Y (en) | 2007-01-17 | 2007-01-17 | Bidirectional hydraulic slips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200968185Y true CN200968185Y (en) | 2007-10-31 |
Family
ID=38967753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720115415 Expired - Lifetime CN200968185Y (en) | 2007-01-17 | 2007-01-17 | Bidirectional hydraulic slips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200968185Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004129B (en) * | 2007-01-17 | 2010-05-26 | 杨颖辉 | Bidirectional hydraulic pressure pipe slips |
| CN107165575A (en) * | 2017-07-17 | 2017-09-15 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius well deflecting drilling tool |
-
2007
- 2007-01-17 CN CN 200720115415 patent/CN200968185Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004129B (en) * | 2007-01-17 | 2010-05-26 | 杨颖辉 | Bidirectional hydraulic pressure pipe slips |
| CN107165575A (en) * | 2017-07-17 | 2017-09-15 | 河北中荣石油机械有限责任公司 | A kind of ultra-short radius well deflecting drilling tool |
| CN107165575B (en) * | 2017-07-17 | 2023-06-16 | 河北中荣石油机械有限责任公司 | Ultrashort radius well deflecting drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20071031 Effective date of abandoning: 20070117 |