CN201695970U - Tube clamping device with three clamping jaws for vertical tube draw bench - Google Patents
Tube clamping device with three clamping jaws for vertical tube draw bench Download PDFInfo
- Publication number
- CN201695970U CN201695970U CN201020242868XU CN201020242868U CN201695970U CN 201695970 U CN201695970 U CN 201695970U CN 201020242868X U CN201020242868X U CN 201020242868XU CN 201020242868 U CN201020242868 U CN 201020242868U CN 201695970 U CN201695970 U CN 201695970U
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- China
- Prior art keywords
- jaw
- guide rail
- main body
- clamping
- upper gripper
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Abstract
The utility model discloses a tube clamping device with three clamping jaws for a vertical tube draw bench, which relates to a tube clamp and solves the problems that the existing tube clamping device positions tubes inaccurately when in clamping, thus leading to low reliability and stability, and further influencing the working efficiency. An upper clamping jaw hydraulic cylinder is used for adjusting the position of an clamping head; the upper clamping head slides along an upper clamping jaw first guide rail and an upper clamping jaw second guide rail; a first middle clamping jaw main body and a second middle clamping jaw main body are connected with a connecting rod respectively; a middle clamping jaw hydraulic cylinder changes the openness of the first middle clamping jaw main body and the second middle clamping jaw main body by the connecting rods through change of self stroke; a lower clamping jaw hydraulic cylinder is used for adjusting the position of a lower clamping jaw; and the lower jaw slides along a lower jaw first guide rail and a lower jaw second guide rail. When clamping tubes, the upper clamping jaw, the middle clamping jaw and the lower clamping jaw actuate simultaneously, thus forming a three-point positioning mode of using a main clamping jaw for clamping and using auxiliary clamping jaws for upper and lower supporting, and remarkably improving the reliability and stability for clamping tubes.
Description
Technical field
The utility model relates to a kind of clamp device, is specifically related to a kind of clamp device that is applicable to the vertical tube drawbench of key equipment in the offshore boring island pipe system.
Background technology
At present, in the marine drilling process, the ratio that the pipe processing operation accounts for is big, the performance of the vertical tube drawbench of its key equipment be guarantee security of system fast, the precondition that links up of stability and high efficiency, operation.Whether the clamp device design of vertical tube drawbench rationally directly influences the operating efficiency of pipe processing operation.Existing clamp device is located inaccurate when clamping, causes the problem of poor reliability, poor stability, and then has influenced operating efficiency; In addition, the versatility of existing equipment is also poor.
The utility model content
The purpose of this utility model provides a kind of vertical tube drawbench clamp device that has three jaws, and is inaccurate in clamping time location to solve existing clamp device, causes the problem of poor reliability, poor stability, and then influenced the problem of operating efficiency.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: the vertical tube drawbench clamp device that has three jaws described in the utility model comprises upper gripper jaw, middle jaw and following jaw, described upper gripper jaw, middle jaw II and following jaw from top to bottom are provided with and link together, and described upper gripper jaw comprises upper gripper jaw hydraulic cylinder, upper grip, upper gripper jaw first guide rail and upper gripper jaw second guide rail; Jaw main body, middle jaw first chuck, middle jaw second chuck, two middle jaw pitman shafts and two middle jaw gyroaxises in the jaw main body, second in jaw hydraulic cylinder, two connecting rods, first during the jaw II comprises in described; Following jaw III comprises jaw hydraulic cylinder, following jaw first guide rail, following jaw second guide rail and lower chuck down; The upper gripper jaw hydraulic cylinder is used to adjust the position of upper grip, is provided with upper gripper jaw first guide rail and upper gripper jaw second guide rail respectively in the both sides of upper grip, and upper grip slides along upper gripper jaw first guide rail, upper gripper jaw second guide rail; Jaw main body in first, the jaw main body is connected with a connecting rod 8 separately in second, jaw first chuck during the working end of jaw main body is equipped with in first, jaw second chuck during the working end of jaw main body is equipped with in second, the jaw main body is connected with a connecting rod by a middle jaw pitman shaft in first, the jaw main body is connected with another connecting rod by jaw pitman shaft in another in second, the root of jaw main body is around a middle jaw gyroaxis revolution in first, the root of jaw main body jaw gyroaxis revolution in another in second, middle jaw hydraulic cylinder changes jaw main body in first by changing its stroke drivening rod, the aperture of jaw main body in second; Following jaw hydraulic cylinder is used to adjust the position of lower chuck, is provided with jaw first guide rail, following jaw second guide rail down respectively in the both sides of lower chuck, and lower chuck is along jaw first guide rail, following jaw second guide rail slide down.
The beneficial effects of the utility model are:
Clamp device described in the utility model has the advantage of clamp good reliability, clamp good stability, has overcome deficiency of the prior art.And the utility model also has good versatility, and overall structure is simple, and flexible movements are reliable; Use of the present utility model can improve the operating efficiency of vertical tube drawbench greatly.The utility model is provided with upper gripper jaw, middle jaw, following jaw, and middle jaw is the main folder pawl, and upper gripper jaw, following jaw are auxiliary jaw.In the clamp operation upper gripper jaw, middle jaw, three jaws of jaw move simultaneously down, have formed the three-point fix mode of the clamping of main folder pawl, the auxiliary upper and lower support of jaw, have significantly improved reliability, the stability of clamp.Compare with existing equipment, need change the situation of clamping annex when the design of upper and lower auxiliary chuck has improved the clamping different tube diameters, the chucking device versatility is good.Owing to needn't change annex on the chuck, reduce non-cutting time in the clamp operation.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model; Fig. 2 is the sectional view along A-A line among Fig. 1; Fig. 3 is the sectional view along B-B line among Fig. 1; Fig. 4 is the sectional view along C-C line among Fig. 1; Fig. 5 is the sectional view along D-D line among Fig. 3.
The specific embodiment
The specific embodiment one: shown in Fig. 1～5, the described vertical tube drawbench clamp device that has three jaws of present embodiment comprises upper gripper jaw I, middle jaw II and following jaw III, described upper gripper jaw I, middle jaw II and following jaw III from top to bottom are provided with and link together, and described upper gripper jaw I comprises upper gripper jaw hydraulic cylinder 1, upper grip 2, upper gripper jaw first guide rail 3 and upper gripper jaw second guide rail 4; Jaw main body 12 in the jaw main body 9, second in the jaw hydraulic cylinder 7 during the jaw II comprises in described, two connecting rods 8, first, middle jaw first chuck 10, middle jaw second chuck 11, two middle jaw pitman shafts 13 and two middle jaw gyroaxises 14; Following jaw III comprises jaw hydraulic cylinder 15, following jaw first guide rail 16, following jaw second guide rail 17 and lower chuck 18 down; Upper gripper jaw hydraulic cylinder 1 is used to adjust the position of upper grip 2, is provided with upper gripper jaw first guide rail 3 and upper gripper jaw second guide rail 4 respectively in the both sides of upper grip 2, and upper grip 2 slides along upper gripper jaw first guide rail 3, upper gripper jaw second guide rail 4; Jaw main body 9 in first, jaw main body 12 is connected with a connecting rod 8 separately in second, jaw first chuck 10 during the working end of jaw main body 9 is equipped with in first, jaw second chuck 11 during the working end of jaw main body 12 is equipped with in second, jaw main body 9 is connected with a connecting rod 8 by a middle jaw pitman shaft 13 in first, jaw main body 12 is connected with another connecting rod 8 by jaw pitman shaft 13 in another in second, the root of jaw main body 9 is around middle jaw gyroaxis 14 revolutions in first, the root of jaw main body 12 jaw gyroaxis 14 revolutions in another in second, middle jaw hydraulic cylinder 7 changes jaw main body 9 in first by changing its stroke drivening rod 8, the aperture of jaw main body 12 in second; Following jaw hydraulic cylinder 15 is used to adjust the position of lower chuck 18, is provided with jaw first guide rail 16, following jaw second guide rail 17 down respectively in the both sides of lower chuck 18, and lower chuck 18 is along jaw first guide rail 16, following jaw second guide rail 17 slide down.
The specific embodiment two: as depicted in figs. 1 and 2, the described clamp device of present embodiment also comprises the clamping limb IV, and described clamping limb IV is folded on the both sides of working end of upper gripper jaw I, and clamping limb IV and upper gripper jaw I are rotationally connected.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: as depicted in figs. 1 and 2, the described clamp device of present embodiment also comprises first gyroaxis 5 and second gyroaxis 6, and the clamping limb IV is rotationally connected with the upper gripper jaw I by first gyroaxis 5, second gyroaxis 6.Other composition and annexation are identical with the specific embodiment two.
Operating principle of the present utility model (referring to Fig. 1～5):
The utility model comprises upper gripper jaw I, middle jaw II, following jaw III, and middle jaw II is the main folder pawl, and upper gripper jaw I, following jaw III are auxiliary jaw.In the clamp operation, adjust the position of upper grip 2,, designed upper gripper jaw first guide rail 3, upper gripper jaw second guide rail in upper grip 2 both sides, guaranteed the stability of its motion so that adapt to the drilling pipe of clamping different tube diameters by the stroke S1 that changes upper gripper jaw hydraulic cylinder 1; Stroke S2 by jaw hydraulic cylinder 7 in changing in the clamp operation changes the aperture of jaw main body 12 in the jaw main body in first 9, second by two connecting rods 8, to adapt to the drilling rod of clamping different-diameter, middle jaw first chuck of installing on the jaw 10, middle jaw second chuck 11 have improved the stability of clamp; In the clamp operation, adjust the position (same upper grip) of lower chuck by the stroke S1 of jaw hydraulic cylinder 15 under changing, so that adapt to the drilling pipe of clamping different tube diameters, design time jaw first guide rail 16, following jaw second guide rail 17 in lower chuck 18 both sides, guaranteed the stability of its motion.
As shown in Figure 1: control chuck (around first gyroaxis 5 and second gyroaxis 6) revolution S3 degree in the clamp operation, preparation is got pipe from preorder equipment, as Fig. 3,4, get upper gripper jaw I in the pipe process shown in 5, following jaw III and upper gripper jaw hydraulic cylinder 1, following jaw hydraulic cylinder 15 stretches out stroke S1 simultaneously, make upper grip 2 along upper gripper jaw first guide rail 3, upper gripper jaw second guide rail 4 skids off adapter, meanwhile lower chuck 18 is along following jaw first guide rail 16, following jaw second guide rail 17 skids off adapter, the middle jaw hydraulic cylinder 7 of jaw II stretches out stroke S2 simultaneously, by connecting rod 8, connecting rod driving shaft 13 make in jaw first in jaw main body 9, jaw main body 12 is around its gyroaxis 14 actions (rotation) in second, and then the aperture of jaw II (main folder pawl) in changing, make middle jaw first chuck 10 that is installed on the main folder pawl, middle jaw second chuck 11 clamping drilling rods 19; Upper gripper jaw hydraulic cylinder 1, the auxiliary clamping of stroke S1 realization of jaw hydraulic cylinder 15 down by adjusting auxiliary chuck improves clamp stability simultaneously.Chuck after the stable holding (around axle 5,6) revolution S3 degree is realized standpipe.
Upper gripper jaw hydraulic cylinder 1 by adjusting auxiliary chuck, the stroke S2 of stroke S1, the middle jaw hydraulic cylinder 7 of jaw hydraulic cylinder 15 to be to adapt to the drilling rod of clamping different tube diameters down.The effect of upper and lower auxiliary chuck is: auxiliary preorder equipment is taken over; Auxiliary main folder pawl realizes stablizing clamp.
Claims (3)
1. vertical tube drawbench clamp device that has three jaws, it is characterized in that: described clamp device comprises upper gripper jaw (I), middle jaw (II) and following jaw (III), described upper gripper jaw (I), middle jaw (II) and following jaw (III) from top to bottom are provided with and link together, and described upper gripper jaw (I) comprises upper gripper jaw hydraulic cylinder (1), upper grip (2), upper gripper jaw first guide rail (3) and upper gripper jaw second guide rail (4); Jaw main body (12), middle jaw first chuck (10), middle jaw second chuck (11), two middle jaw pitman shafts (13) and two middle jaw gyroaxises (14) in the jaw main body (9), second in the jaw hydraulic cylinder (7), two connecting rods (8), first during jaw (II) comprises in described; Following jaw III comprises jaw hydraulic cylinder (15), following jaw first guide rail (16), following jaw second guide rail (17) and lower chuck (18) down; Upper gripper jaw hydraulic cylinder (1) is used to adjust the position of upper grip (2), be provided with upper gripper jaw first guide rail (3) and upper gripper jaw second guide rail (4) respectively in the both sides of upper grip (2), upper grip (2) slides along upper gripper jaw first guide rail (3), upper gripper jaw second guide rail (4); Jaw main body (9) in first, jaw main body (12) is connected with a connecting rod (8) separately in second, jaw first chuck (10) during the working end of jaw main body (9) is equipped with in first, jaw second chuck (11) during the working end of jaw main body (12) is equipped with in second, jaw main body (9) is connected with a connecting rod (8) by a middle jaw pitman shaft (13) in first, jaw main body (12) is connected with another connecting rod (8) by jaw pitman shaft (13) in another in second, the root of jaw main body (9) turns round around a middle jaw gyroaxis (14) in first, the root of jaw main body (12) jaw gyroaxis (14) revolution in another in second, middle jaw hydraulic cylinder (7) changes jaw main body (9) in first by changing its stroke drivening rod (8), the aperture of jaw main body (12) in second; Following jaw hydraulic cylinder (15) is used to adjust the position of lower chuck (18), be provided with jaw first guide rail (16), following jaw second guide rail (17) down respectively in the both sides of lower chuck (18), lower chuck (18) is along jaw first guide rail (16), following jaw second guide rail (17) slide down.
2. the vertical tube drawbench clamp device that has three jaws according to claim 1, it is characterized in that: described clamp device also comprises a clamping limb (IV), described clamping limb (IV) is folded on the both sides of working end of upper gripper jaw (I), and clamping limb (IV) is rotationally connected with upper gripper jaw (I).
3. the vertical tube drawbench clamp device that has three jaws according to claim 1, it is characterized in that: described clamp device also comprises first gyroaxis (5) and second gyroaxis (6), and clamping limb (IV) is rotationally connected with upper gripper jaw (I) by first gyroaxis (5), second gyroaxis (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020242868XU CN201695970U (en) | 2010-06-30 | 2010-06-30 | Tube clamping device with three clamping jaws for vertical tube draw bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020242868XU CN201695970U (en) | 2010-06-30 | 2010-06-30 | Tube clamping device with three clamping jaws for vertical tube draw bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201695970U true CN201695970U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020242868XU Expired - Lifetime CN201695970U (en) | 2010-06-30 | 2010-06-30 | Tube clamping device with three clamping jaws for vertical tube draw bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201695970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730234A (en) * | 2020-07-13 | 2020-10-02 | 宝鸡文理学院 | Safety type auxiliary device for welding electrical cabinet |
-
2010
- 2010-06-30 CN CN201020242868XU patent/CN201695970U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730234A (en) * | 2020-07-13 | 2020-10-02 | 宝鸡文理学院 | Safety type auxiliary device for welding electrical cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU OPR MARINE ENGINEERING CO., LTD. Free format text: FORMER OWNER: WUSHUN LINCHUAN OFFSHORE PIPELINES + RISERS INC. Effective date: 20120426 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 344119 FUZHOU, JIANGXI PROVINCE TO: 311121 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120426 Address after: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West No. 1500 Building No. 2 room 111 Patentee after: Hangzhou OPY Ocean Engineering Co.,Ltd. Address before: 344119 Liancheng street, Liancheng District, Linchuan District, Jiangxi, Fuzhou Patentee before: Fuzhou Linchuan Baiyong Marine Engineering Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |