CN202767971U

CN202767971U - Bidirectional extractor

Info

Publication number: CN202767971U
Application number: CN 201220502049
Authority: CN
Inventors: 康永志; 董敬荣
Original assignee: MUDANJIANG XINXIANG PETROLEUM MACHINERY CO Ltd
Current assignee: MUDANJIANG XINXIANG PETROLEUM MACHINERY CO Ltd
Priority date: 2012-09-28
Filing date: 2012-09-28
Publication date: 2013-03-06
Anticipated expiration: 2022-09-28

Abstract

The utility model relates to a bidirectional extractor. The bidirectional extractor comprises a rope socket (1), a body (2), an upper cam set assembly (3), an extracting assembly (4), a guide body (5), a lower cam set assembly (6), a guide claw (7), a guide claw spring (8) and a bottom plug (9), a second guide claw (10) is arranged on the opposite side of the guide claw (7) on the guide body (5) and is hinged on the guide body (5) through a second guide claw pin (11), the guide claw spring (8) is mounted between the guide claw (7) and the second guide claw (10), and one end of the guide claw spring (8) butts against the second guide claw (10) while the other end of the guide claw spring (8) butts against the guide claw (7). The bidirectional extractor can meet requirements of different testing points on tools, cannot result in wrong testing data and is beneficial to normal downhole testing. The bidirectional extractor is provided with the guide claws in two directions, the guide claws are selected according to direction requirements during operation, and the selected guide claw is placed at a stretching position while the other guide claw can be locked automatically.

Description

Two-way throw in catcher

Technical field

The utility model relates to petroleum tool, is specifically related to a kind of throw in catcher.

Background technology

Along with the popularization and application of oil field subdivision injection tubing string, contiguous test point is increasing, and needs to adopt not the in the same way operational method of test department position, drags for miscarrying and causes test data wrong with anti-error, is unfavorable for the carrying out of test job under the normal well.

Summary of the invention

The purpose of this utility model provides a kind of multiple functional capable of reversing, two-way throw in catcher of being conducive to the different test point job requirements in down-hole.

Technical solution of the present utility model is: it comprises that rope socket, main body, overhead cam assembly, pulling assembly, guide body, lower Cam set assembly, guide grab, guide grab spring and the end are stifled, the offside of guide grab is provided with the second guide grab that is subjected to lower Cam set assembly control on the guide body, the upper end of the second guide grab and lower Cam set assembly merga pass the second guide grab pin that matches is hinged on the guide body, the guide grab spring fitting between guide grab and the second guide grab, be pressed on the second guide grab along the radially end top of guide body, other end top is pressed on the guide grab.

Technique effect of the present utility model is: use it can satisfy different test points to the requirement of instrument, can not cause test data wrong, be conducive to normal downhole testing.It has the guide grab of both direction, requires the selective guide pawl according to direction during operation, and selected guide grab places deployed position, and opposite side can automatic locking.

Two-way throw in catcher of the present utility model has following characteristics:

1. easy to operate, range of application is large, and is practical;

2. safe and reliable, a pulling success rate 100%;

3. anti-corrosion anti-scale, long service life.

Description of drawings

Fig. 1 is the utility model embodiment sectional view;

Fig. 2 is that the utility model embodiment Fig. 1 A-A is to sectional view;

Fig. 3 is that the utility model embodiment Fig. 1 B-B is to sectional view.

The specific embodiment

Such as Fig. 1, Fig. 2, shown in Figure 3, it comprises rope socket 1, main body 2, overhead cam assembly 3, pulling assembly 4, guide body 5, lower Cam set assembly 6, guide grab 7, guide grab spring 8 and the end stifled 9, the offside of guide grab 7 is provided with the second guide grab 10 that is subjected to lower Cam set assembly 6 controls on the guide body 5, the upper end of the second guide grab 10 and lower Cam set assembly 6 merga pass the second guide grab pin 11 that matches is hinged on the guide body 5, and guide grab spring 8 is installed between guide grab 7 and the second guide grab 10, radially end top along guide body 5 is pressed on the second guide grab 10, other end top is pressed on the guide grab 7.

Rope socket 1 is threaded connection the upper end in main body 2, overhead cam assembly 3 is positioned at rope socket 1 below and is installed on the main body 2, pulling assembly 4 is positioned at overhead cam assembly 3 belows and is installed on the main body 2, the top axial of guide body 5 axially links to each other by the lower end of screw thread with main body 2, lower Cam set assembly 6 is positioned at main body 2 belows and is installed on the guide body 5, guide grab 7 is positioned at lower Cam set assembly 6 belows and is hinged on the guide body 5, the lower end of guide body 5 is provided with lock ring 12, and the upper end of lock ring 12 is sleeved on the bottom of guide body 5 and is fastened by the position-limitting pin 13 that radially is fixed between lock ring 12 and the guide body 5, the lower end is connected to blocking up 9 the end of with by thread spindle.

Overhead cam assembly 3 is made of upper lockwheel 31, upper torsion spring 32, upper release piece 33, upper release piece screw 34, upper lockwheel 31 is rotatably installed on the main body 2 by upper lockwheel pin 35, upper torsion spring 32 and upper release piece 33 are hinged on the upper lockwheel 31 by upper release piece screw 34, and an end of upper torsion spring 32 is stuck on the lockwheel 31, the other end is stuck on the release piece 33.

Pulling assembly 4 is made of pulling pawl 41, pulling latch spring 42, pulling joint 43 and pressing and sending head assembly 44, pulling pawl 41 is hinged on the main body 2 by pulling pawl pin nail 45, match with the wheel assembly 3 of locking in the upper end of pulling pawl 41, pulling latch spring 42 is installed between pulling pawl 41 and the main body 2, be pressed on the main body 2 along the radially end top of main body 2, other end top is pressed on the pulling pawl 41, pulling joint 43 is installed in the lower end of pulling pawl 41 by attachment screw 46, pressing and sending head assembly 44 is installed on the pulling joint 43.Pulling latch spring 42 top is pressed in a end on the main body 2 and is provided with by screw thread and is installed in spring compression screw 47 on the main body 2.

Lower Cam set assembly 6 is made of lower lockwheel 61, lower torsion spring 62, lower release piece 63, lower release piece screw 64, lower lockwheel 61 is rotatably installed on the guide body 5 by lower lockwheel pin 65, lower torsion spring 62 and lower release piece 63 are hinged on the lower lockwheel 61 by lower release piece screw 64, and an end of lower torsion spring 62 is stuck on the lower lockwheel 61, the other end is stuck on the lower release piece 63.

The position that rope socket 1 is connected with main body 2 is provided with O RunddichtringO 14.The position that main body 2 and guide body 5 are connected radially is provided with between directional bolt 15, main body 2 and the guide body 5 and is provided with O RunddichtringO 14.

Operating principle of the present utility model:

Under carry 2-3 rice on letting slip behind the seating nipple and transfer again, d/d guide grab enters between work nest along the guiding helicoid skid steering of pipe column tools, salvages or deliver the instruments such as blanking plug.

The utility model is furnished with the guide grab that both direction uses, and requires the selective guide pawl according to direction during operation, and selected guide grab places deployed position, and opposite side can automatic locking.

Claims

1. two-way throw in catcher, it comprises rope socket (1), main body (2), overhead cam assembly (3), pulling assembly (4), guide body (5), lower Cam set assembly (6), guide grab (7), (9) are blocked up at guide grab spring (8) and the end, it is characterized in that: the offside of the upper guide grab (7) of guide body (5) is provided with the second guide grab (10) that is subjected to lower Cam set assembly (6) control, the upper end of the second guide grab (10) and lower Cam set assembly (6) merga pass the second guide grab pin (11) that matches is hinged on the guide body (5), and guide grab spring (8) is installed between guide grab (7) and the second guide grab (10), radially end top along guide body (5) is pressed on the second guide grab (10), other end top is pressed on the guide grab (7).

2. two-way throw in catcher as claimed in claim 1, it is characterized in that described rope socket (1) is threaded connection the upper end in main body (2), overhead cam assembly (3) is positioned at rope socket (1) below and is installed on the main body (2), pulling assembly (4) is positioned at overhead cam assembly (3) below and is installed on the main body (2), the top axial of guide body (5) axially links to each other by the lower end of screw thread with main body (2), lower Cam set assembly (6) is positioned at main body (2) below and is installed on the guide body (5), guide grab (7) is positioned at lower Cam set assembly (6) below and is hinged on the guide body (5), the lower end of guide body (5) is provided with lock ring (12), and the upper end of lock ring (12) is sleeved on the bottom of guide body (5) and is fastened by the position-limitting pin (13) that radially is fixed between lock ring (12) and the guide body (5), the lower end is connected to blocking up (9) end of with by thread spindle.

3. two-way throw in catcher as claimed in claim 1, it is characterized in that described overhead cam assembly (3) is made of upper lockwheel (31), upper torsion spring (32), upper release piece (33), upper release piece screw (34), upper lockwheel (31) is rotatably installed on the main body (2) by upper lockwheel pin (35), upper torsion spring (32) and upper release piece (33) are hinged on the upper lockwheel (31) by upper release piece screw (34), and an end of upper torsion spring (32) is stuck on the lockwheel (31), the other end is stuck on the release piece (33).

4. two-way throw in catcher as claimed in claim 1, it is characterized in that described pulling assembly (4) is by pulling pawl (41), pulling latch spring (42), pulling joint (43) and pressing and sending head assembly (44) consist of, pulling pawl (41) is hinged on the main body (2) by pulling pawl pin nail (45), match with the wheel assembly of locking (3) in the upper end of pulling pawl (41), pulling latch spring (42) is installed between pulling pawl (41) and the main body (2), radially end top along main body (2) is pressed on the main body (2), other end top is pressed on the pulling pawl (41), pulling joint (43) is installed in the lower end of pulling pawl (41) by attachment screw (46), pressing and sending head assembly (44) is installed on the pulling joint (43).

5. two-way throw in catcher as claimed in claim 4 is characterized in that described pulling latch spring (42) top is pressed in a end on the main body (2) and is provided with by screw thread and is installed in spring compression screw (47) on the main body (2).

6. two-way throw in catcher as claimed in claim 1, it is characterized in that described lower Cam set assembly (6) is made of lower lockwheel (61), lower torsion spring (62), lower release piece (63), lower release piece screw (64), lower lockwheel (61) is rotatably installed on the guide body (5) by lower lockwheel pin (65), lower torsion spring (62) and lower release piece (63) are hinged on the lower lockwheel (61) by lower release piece screw (64), and an end of lower torsion spring (62) is stuck on the lower lockwheel (61), the other end is stuck on the lower release piece (63).

7. two-way throw in catcher as claimed in claim 1 is characterized in that the position that described rope socket (1) is connected with main body (2) is provided with O RunddichtringO (14).

8. two-way throw in catcher as claimed in claim 1 is characterized in that position that described main body (2) and guide body (5) are connected radially is provided with between directional bolt (15), main body (2) and the guide body (5) to be provided with O RunddichtringO (14).