CN208885231U - Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring - Google Patents

Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring Download PDF

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Publication number
CN208885231U
CN208885231U CN201821702034.5U CN201821702034U CN208885231U CN 208885231 U CN208885231 U CN 208885231U CN 201821702034 U CN201821702034 U CN 201821702034U CN 208885231 U CN208885231 U CN 208885231U
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China
Prior art keywords
spring
mandril
hole
ontology
clamping screw
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CN201821702034.5U
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Chinese (zh)
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汪成元
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Guanghan Huayou Drilling And Product Equipment Manufacturing Co Ltd
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Guanghan Huayou Drilling And Product Equipment Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of spring, holding tool, including ontology, mandril, clamping screw, spring, spring bearer plate are robbed in blowout prevention inside the Pass fastly, are disposed with locking groove, optical axis on the mandril from free end to working end;One end of the clamping screw passes through locking hole and is clamped with the locking groove of the mandril in through-hole, and the clamping screw is threadedly coupled with locking hole;The spring is set on the optical axis of mandril, and perforation is provided on the spring bearer plate, and the working end of the mandril sequentially passes through the through-hole of ontology, the perforation of spring bearer plate and connect with nut;One end of the spring is contacted with spring bearer plate, and the diameter of the perforation of the spring bearer plate is less than the diameter of spring.The utility model may be implemented fast closing check valve, can more effectively prevent overflow and well kick by the way that spring is arranged on mandril;The utility model passes through the position of clamping screw fixed mandril, has preferable practicability.

Description

Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring
Technical field
The utility model belongs to spray and robs the technical field of holding tool, and in particular to dress work is robbed in blowout prevention inside the Pass fastly for a kind of spring Tool.
Background technique
At present in drilling process, since the reserves of underground oil and gas reservoir cannot be grasped completely on ground, in reality During applying drilling engineering, when encountering reserves and the biggish reservoir of pressure, well kick will occur, it is mishandling to well kick, Or processing is not in time, it also occur that serious gas blowout accident, or even cause the grievous injury to equipment and personnel;When generation well In order to control more serious well kick or blowout when the initial stage gushed, perhaps blowout spray gesture was weaker, site operation personnel usually can Close to well head, loaded check valve is successfully robbed using easy tool.In drilling process, pacify when overflow well kick omen occurs for well Holding tool is robbed in blowout prevention in filling, and prevents formation fluid and drilling fluid from spraying damage rotary hose upwards along drill string hydrophthalmia and leading to well It sprays, pressure, which is laid equal stress on, in control drill string newly establishes circulation.
Utility model content
The purpose of this utility model is to provide a kind of spring, holding tool is robbed in blowout prevention inside the Pass fastly, the utility model by Spring is set on mandril, fast closing check valve may be implemented, can more effectively prevent overflow and well kick;The utility model passes through The position of clamping screw fixed mandril has preferable practicability.
Holding tool is robbed in blowout prevention inside the Pass to the spring fastly is that one kind is mounted on drill string and prevents well kick blowout, is bored for controlling Reflux inside knock-off joint, it is ensured that the safety of rotary drill, drilling rod, standpipe and equipment;The utility model utilizes spring Rapid reset The device of check-valves is closed, there is preferable practicability.
The technical solution of the utility model is as follows: holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring, including ontology, mandril, Clamping screw, spring, spring bearer plate, the body interior are provided with mounting groove, and the side of the ontology is provided with and mounting groove The through-hole of connection, and the bottom of ontology is provided with the locking hole with through-hole vertical connection;From free end to work on the mandril End is disposed with locking groove, optical axis;One end of the clamping screw passes through locking hole and the locking with the mandril in through-hole Groove clamping, the clamping screw are threadedly coupled with locking hole;The spring is set on the optical axis of mandril, the spring bearer plate On be provided with perforation, the working end of the mandril sequentially passes through the through-hole of ontology, the perforation of spring bearer plate and connect with nut;Institute The one end for stating spring is contacted with spring bearer plate, and the diameter of the perforation of the spring bearer plate is less than the diameter of spring.
In use, when drill string channel is open state, then mandril opens check-valves to the utility model before robbing dress, Mandril is slid into first in the mounting groove of ontology makes the working end of mandril open check-valves, and then rotating clamping screw makes one end It is clamped with the locking groove of mandril, with the position of fixed mandril, spring is compressed on the optical axis of mandril by spring bearer plate at this time;When When robbing dress, then the clamping screw locking groove far from mandril that makes one end is rotated, mandril can slide in through-holes at this time, then mandril It resets under the action of the spring, to realize closure of check ring.Before robbing dress, mandril opens check-valves, drill string channel open state; When robbing dress, clamping screw is unclamped, mandril rebounds, closure of check ring.
In order to preferably realize the utility model, further, limiting groove, the spring are provided in the mounting groove Pressing plate is mounted in limiting groove.The installation site of the ontology is corresponding drill string joints button-type, and the limiting groove can be Stair-stepping groove, for the position of fixed spring pressing plate, the spring bearer plate makes spring in mandril optical axis for contradicting spring The optical axis of upper compression, the mandril can slide in the perforation of spring bearer plate, and spring is compressed by spring bearer plate.
It further include the retaining ring that spring bearer plate side is set further to preferably realize the utility model, it is described Retaining ring is arranged between spring bearer plate and nut, and the working end of the mandril passes through retaining ring and connect with nut.
In order to preferably realize the utility model, further, the corresponding locking groove setting in one end of the clamping screw For pyramidal structure;The locking groove corresponds to the groove that clamping screw is provided with several dentations.It is arranged in the locking groove There is the structure of several dentations, and is the groove of clamping, the i.e. groove of dentation between adjacent tooth.
In order to preferably realize the utility model, further, the other end of the clamping screw is provided with set lever; Internal screw thread is provided in the locking hole of the ontology, the clamping screw is correspondingly arranged on external screw thread;The working end of the mandril It is provided with and the matched external screw thread of nut.
It further include body handle further to preferably realize the utility model, the screw top of the ontology connects Connect body handle.
In order to preferably realize the utility model, further, peep hole, the peep hole are also provided on the ontology It is connected to through-hole.The peep hole is the hole of perforation, can be convenient the locking situation of observation clamping screw and mandril before robbing dress, To prevent clamping screw from not blocking mandril flute profile locking groove, check-valves is closed in advance during robbing dress, causes to rob dress Failure, effectively improves safety in utilization.
Relative to commonly holding tool is robbed, this product is equipped with spring, and quick closedown may be implemented, and can more effectively prevent to overflow Stream and well kick.Peep hole is provided on ontology, it can be seen that the locking situation of clamping screw and mandril, compared to commonly rob holding tool with Feel that locking, use are safer.Structure is simple, easy to operate and be easy to carry about with one.Replaceable ontology, spring bearer plate and retaining ring are used for Other button-type drill strings, it is applied widely.
The utility model has the beneficial effects that
(1) body interior is provided with mounting groove, and the side of the ontology is provided with the through-hole being connected to mounting groove, and The bottom of ontology is provided with the locking hole with through-hole vertical connection;Lock is disposed on the mandril from free end to working end Tight groove, optical axis;One end of the clamping screw passes through locking hole and is clamped with the locking groove of the mandril in through-hole, the lock Tight bolt is threadedly coupled with locking hole;The spring is set on the optical axis of mandril, and perforation, institute are provided on the spring bearer plate The working end for stating mandril sequentially passes through the through-hole of ontology, the perforation of spring bearer plate and connect with nut;One end of the spring with Spring bearer plate contact, the diameter of the perforation of the spring bearer plate are less than the diameter of spring.The utility model on mandril by setting Spring is set, fast closing check valve may be implemented, can more effectively prevent overflow and well kick;The utility model passes through clamping screw The position of fixed mandril has preferable practicability.
It (2) further include the retaining ring that spring bearer plate side is set, the retaining ring is arranged between spring bearer plate and nut, institute The working end for stating mandril passes through retaining ring and connect with nut.The retaining ring setting is used for fixed spring pressing plate in ontology inner hole, prevents It only shifts, there is preferable practicability.
(3) the corresponding locking groove in one end of the clamping screw is set as pyramidal structure;The corresponding locking of the locking groove Bolt is provided with the groove of several dentations.The utility model locks groove by the effective clamping of clamping screw of taper, simultaneously The precision adjusted is improved by the groove of several dentations, there is preferable practicability.
(4) peep hole is also provided on the ontology, the peep hole is connected to through-hole.The utility model passes through peep hole Facilitate the locking situation of observation clamping screw and mandril, improves safety in utilization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the operation schematic diagram of the utility model.
Wherein: 1- mandril, 2- ontology, 3- body handle, 4- spring, 5- spring bearer plate, 6- retaining ring, 7- nut, 8- locking Bolt, 9- set lever, 10- peep hole, 11- lock groove.
Specific embodiment
Embodiment 1:
Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring, as shown in Figure 1 and Figure 2, including ontology 2, mandril 1, clamping screw 8, Spring 4, spring bearer plate 5, the ontology 2 be internally provided with mounting groove, and the side of the ontology 2 is provided with to be connected to mounting groove Through-hole, and the bottom of ontology 2 is provided with the locking hole with through-hole vertical connection;On the mandril 1 from free end to working end according to It is secondary to be provided with locking groove 11, optical axis;One end of the clamping screw 8 passes through locking hole and the locking with the mandril 1 in through-hole Groove 11 is clamped, and the clamping screw 8 is threadedly coupled with locking hole;The spring 4 is set on the optical axis of mandril 1, the bullet Be provided with perforation on spring pressing plate 5, the working end of the mandril 1 sequentially pass through the through-hole of ontology 2, spring bearer plate 5 perforation and with Nut 7 connects;One end of the spring 4 is contacted with spring bearer plate 5, and the diameter of the perforation of the spring bearer plate 5 is less than spring 4 Diameter.
In use, mandril 1 opens check-valves to the utility model before robbing dress, and mandril 1 is slid into the peace of ontology 2 first The working end of mandril 1 is set to open check-valves in tankage, then rotating clamping screw 8 makes the locking groove 11 of one end Yu mandril 1 Clamping, with the position of fixed mandril 1, spring 4 is compressed in the optical axis of mandril 1 by spring bearer plate 5 at this time, and drill string channel is to open at this time Open state;When robbing dress, i.e., the check-valves that band robs that holding tool and runner are opened is connected to the process on the drill string of well kick state, then Rotation clamping screw 8 makes locking groove 11 of the one end far from mandril 1, and mandril 1 can slide in through-holes at this time, then mandril 1 exists It is resetted under the action of spring 4, to realize closure of check ring.As shown in Fig. 2, mandril 1 opens check-valves before robbing dress, drill string is logical Road open state;When robbing dress, clamping screw 8 is unclamped, mandril 1 rebounds, closure of check ring.
The utility model may be implemented fast closing check valve, can more effectively hinder by the way that spring 4 is arranged on mandril 1 Only overflow and well kick;The utility model passes through the position of 8 fixed mandril 1 of clamping screw, has preferable practicability.Relative to general Logical to rob holding tool, this product is equipped with spring 4, quick closedown may be implemented, and can more effectively prevent overflow and well kick.Ontology 2 On be provided with peep hole 10, it can be seen that the locking situation of clamping screw 8 and mandril 1, compared to commonly rob holding tool with feel lock, Using safer.Structure is simple, easy to operate and be easy to carry about with one.Replaceable ontology 2, spring bearer plate 5 and retaining ring 6 are for other buttons Type drill string, it is applied widely.
Embodiment 2:
The present embodiment is to optimize on the basis of embodiment 1, as shown in Figure 1, being provided with limit in the mounting groove Groove, the spring bearer plate 5 are mounted in limiting groove.It further include the retaining ring 6 that 5 side of spring bearer plate is set, the retaining ring 6 It is arranged between spring bearer plate 5 and nut 7, the working end of the mandril 1 passes through retaining ring 6 and connect with nut 7.
The setting of retaining ring 6 is used for fixed spring pressing plate 5 in ontology inner hole, prevents from shifting, has preferable practicability.This Utility model may be implemented fast closing check valve, can more effectively prevent overflow and well by the way that spring 4 is arranged on mandril 1 It gushes;The utility model passes through the position of 8 fixed mandril 1 of clamping screw, has preferable practicability.Dress work is robbed relative to common Tool, this product are equipped with spring 4, quick closedown may be implemented, and can more effectively prevent overflow and well kick.Sight is provided on ontology 2 Examine hole 10, it can be seen that the locking situation of clamping screw 8 and mandril 1, compared to commonly robbing holding tool with feeling to lock, using more pacifying Entirely.Structure is simple, easy to operate and be easy to carry about with one.Replaceable ontology 2, spring bearer plate 5 and retaining ring 6 are used for other button-type drill strings, It is applied widely.
The other parts of the present embodiment are same as Example 1, and so it will not be repeated.
Embodiment 3:
The present embodiment is optimized on the basis of embodiment 1 or 2, and the corresponding locking in one end of the clamping screw 8 is recessed Slot 11 is set as pyramidal structure;The corresponding clamping screw 8 of locking groove 11 is provided with the groove of several dentations.The locking The other end of bolt 8 is provided with set lever 9;Internal screw thread is provided in the locking hole of the ontology 2, the clamping screw 8 is right External screw thread should be provided with;The working end of the mandril 1 is provided with and the matched external screw thread of nut 7.
The utility model in use, can rotate clamping screw 8, as shown in Figs. 1-2, institute by set lever 9 The end for stating clamping screw 8 offers mounting hole, and the set lever 9 is mounted in mounting hole, and set lever 9 and locking screw Bolt 8 vertically connects, and rotation is facilitated to use, and has preferable practicability.
The utility model locks groove 11 by the effective clamping of clamping screw 8 of taper, has preferable practicability.This reality With novel by the way that spring 4 is arranged on mandril 1, fast closing check valve may be implemented, can more effectively prevent overflow and well kick; The utility model passes through the position of 8 fixed mandril 1 of clamping screw, has preferable practicability.Relative to commonly holding tool is robbed, originally Product is equipped with spring 4, and quick closedown may be implemented, and can more effectively prevent overflow and well kick.Peep hole is provided on ontology 2 10, it can be seen that the locking situation of clamping screw 8 and mandril 1 is locked compared to holding tool is commonly robbed with feeling, and use is safer. Structure is simple, easy to operate and be easy to carry about with one.Replaceable ontology 2, spring bearer plate 5 and retaining ring 6 are used for other button-type drill strings, are applicable in Range is wide.
The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.
Embodiment 4:
The present embodiment is optimized on the basis of embodiment 3, further includes body handle 3, the top spiral shell of the ontology 2 Line connects body handle 3.Peep hole 10 is also provided on the ontology 2, the peep hole 10 is connected to through-hole.
As shown in Figs. 1-2, the peep hole 10 is arranged in the lower section of through-hole, and peep hole 10 be located at through-hole and locking hole it Between, the clamping screw 8 passes through locking hole, peep hole 10, and the locking groove 11 protruded into through-hole and with mandril 1 is clamped.
The utility model locks groove 11 by the effective clamping of clamping screw 8 of taper, has preferable practicability.This reality With novel by the way that spring 4 is arranged on mandril 1, fast closing check valve may be implemented, can more effectively prevent overflow and well kick; The utility model passes through the position of 8 fixed mandril 1 of clamping screw, has preferable practicability.Relative to commonly holding tool is robbed, originally Product is equipped with spring 4, and quick closedown may be implemented, and can more effectively prevent overflow and well kick.Peep hole is provided on ontology 2 10, it can be seen that the locking situation of clamping screw 8 and mandril 1 is locked compared to holding tool is commonly robbed with feeling, and use is safer. Structure is simple, easy to operate and be easy to carry about with one.Replaceable ontology 2, spring bearer plate 5 and retaining ring 6 are used for other button-type drill strings, are applicable in Range is wide.
The other parts of the present embodiment are same as Example 3, and so it will not be repeated.
Embodiment 5:
Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring, as shown in Figure 1 and Figure 2, including mandril 1, ontology 2, body handle 3, Spring 4, spring bearer plate 5, retaining ring 6, nut 7, clamping screw 8, set lever 9, the ontology 2 are the basic part of this product, peace Holding position is corresponding drill string joints button-type, and inside has the through-hole of installation mandril 1, is additionally provided with installation body handle 3, locking screw The internal thread hole of bolt 8, and the mounting groove of installation spring bearer plate 5, retaining ring 6.
The mandril 1 passes through the through-hole of ontology 2, and there is locking groove 11 and set for limit to shoot on the mandril 1 The part and end of the optical axis of spring 4 are provided with the external screw thread for stop nut 7.
One end of the body handle 3 has the external screw thread matched with 2 internal thread hole of ontology.
The spring 4 is mounted on the optical axis portion of mandril 1;The spring bearer plate 5 is mounted on the limiting groove inside ontology 2 It is interior, there is the perforation passed through for mandril 1 thereon.
The retaining ring 6 is mounted in the limiting groove inside ontology 2, has the hole passed through for mandril 1 thereon.
The nut 7 is mounted on mandril 1 with externally threaded one end, and cannot pass through the retaining ring 6 for limit.
The external screw thread of the clamping screw 8 is matched with the internal screw thread of the locking hole of ontology 2, and one end is band taper thereon , for locking groove 11, also with the through-hole of installation locking handle 9.
The set lever 9 is mounted on clamping screw 8 without externally threaded one end.
In use, when drill string channel is open state, then mandril 1 opens non-return to the utility model before robbing dress Valve, first sliding into mandril 1 in the mounting groove of ontology 2 makes the working end of mandril 1 open check-valves, then rotates clamping screw 8 It is clamped the locking groove 11 of one end and mandril 1, with the position of fixed mandril 1, spring 4 is compressed in by spring bearer plate 5 at this time On the optical axis of mandril 1;When robbing dress, then the locking groove 11 far from mandril 1 that makes one end of clamping screw 8 is rotated, at this time mandril 1 It can slide in through-holes, then mandril 1 resets under the action of spring 4, to realize closure of check ring.As shown in Fig. 2, robbing dress Before, mandril 1 opens check-valves, drill string channel open state;When robbing dress, clamping screw 8 is unclamped, mandril 1 rebounds, and check-valves closes It closes.
The utility model may be implemented fast closing check valve, can more effectively hinder by the way that spring 4 is arranged on mandril 1 Only overflow and well kick;The utility model passes through the position of 8 fixed mandril 1 of clamping screw, has preferable practicability.Relative to general Logical to rob holding tool, this product is equipped with spring 4, quick closedown may be implemented, and can more effectively prevent overflow and well kick.Ontology 2 On be provided with peep hole 10, it can be seen that the locking situation of clamping screw 8 and mandril 1, compared to commonly rob holding tool with feel lock, Using safer.Structure is simple, easy to operate and be easy to carry about with one.Replaceable ontology 2, spring bearer plate 5 and retaining ring 6 are for other buttons Type drill string, it is applied widely.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within Within the protection scope of the utility model.

Claims (7)

1. holding tool is robbed in blowout prevention to a kind of spring inside the Pass fastly, which is characterized in that including ontology (2), mandril (1), clamping screw (8), spring (4), spring bearer plate (5), the ontology (2) are internally provided with mounting groove, the side of the ontology (2) be provided with The through-hole of mounting groove connection, and the bottom of ontology (2) is provided with the locking hole with through-hole vertical connection;On the mandril (1) from Free end to working end is disposed with locking groove (11), optical axis;One end of the clamping screw (8) pass through locking hole and with The locking groove (11) of mandril (1) in through-hole is clamped, and the clamping screw (8) is threadedly coupled with locking hole;The spring (4) It is set on the optical axis of mandril (1), perforation is provided on the spring bearer plate (5), the working end of the mandril (1) sequentially passes through The perforation of the through-hole, spring bearer plate (5) of ontology (2) is simultaneously connect with nut (7);One end and spring bearer plate (5) of the spring (4) Contact, the diameter of the perforation of the spring bearer plate (5) are less than the diameter of spring (4).
2. holding tool is robbed in blowout prevention to a kind of spring according to claim 1 inside the Pass fastly, which is characterized in that in the mounting groove It is provided with limiting groove, the spring bearer plate (5) is mounted in limiting groove.
3. holding tool is robbed in blowout prevention to a kind of spring according to claim 2 inside the Pass fastly, which is characterized in that further include that setting exists The retaining ring (6) of spring bearer plate (5) side, the retaining ring (6) is arranged between spring bearer plate (5) and nut (7), and is mounted on limit In the groove of position;The working end of the mandril (1) passes through retaining ring (6) and connect with nut (7).
4. holding tool is robbed in blowout prevention to a kind of spring according to claim 1 inside the Pass fastly, which is characterized in that the clamping screw (8) corresponding locking groove (11) in one end is set as pyramidal structure;The locking groove (11) corresponding clamping screw (8) is provided with The groove of several dentations.
5. holding tool is robbed in blowout prevention to a kind of spring according to claim 4 inside the Pass fastly, which is characterized in that the clamping screw (8) the other end is provided with set lever (9);Internal screw thread, the clamping screw are provided in the locking hole of the ontology (2) (8) it is correspondingly arranged on external screw thread;The working end of the mandril (1) is provided with and nut (7) matched external screw thread.
6. holding tool is robbed in blowout prevention to a kind of spring according to claim 1-5 inside the Pass fastly, which is characterized in that also wrap It includes body handle (3), the screw top of the ontology (2) connects body handle (3).
7. holding tool is robbed in blowout prevention to a kind of spring according to claim 1 inside the Pass fastly, which is characterized in that the ontology (2) On be also provided with peep hole (10), the peep hole (10) is connected to through-hole.
CN201821702034.5U 2018-10-19 2018-10-19 Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring Active CN208885231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821702034.5U CN208885231U (en) 2018-10-19 2018-10-19 Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821702034.5U CN208885231U (en) 2018-10-19 2018-10-19 Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring

Publications (1)

Publication Number Publication Date
CN208885231U true CN208885231U (en) 2019-05-21

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ID=66516696

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Application Number Title Priority Date Filing Date
CN201821702034.5U Active CN208885231U (en) 2018-10-19 2018-10-19 Holding tool is robbed in blowout prevention inside the Pass fastly for a kind of spring

Country Status (1)

Country Link
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