CN1417450A - Bayonet joint mechanism with automatic interval compensation - Google Patents
Bayonet joint mechanism with automatic interval compensation Download PDFInfo
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- CN1417450A CN1417450A CN 02148689 CN02148689A CN1417450A CN 1417450 A CN1417450 A CN 1417450A CN 02148689 CN02148689 CN 02148689 CN 02148689 A CN02148689 A CN 02148689A CN 1417450 A CN1417450 A CN 1417450A
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Abstract
The bayonet joint mechanism with automatic interval compensation for boring machine consists of four parts including female joint, male joint, sliding female taper sleeve and interval compensating compression spring. The sliding female taper sleeve and the interval compensating compression spring are installed inside the female joint, the female joint and the male joint are centered by the cone, the famel joint has J-shaped bayonet slot on the tube wall, and the male joint has boss in the corresponding position for joint with the J-shape bayonet slot. In connection state, the male and female conic surfaces are always maintained close the this results in good centering and rigid transmission and easy connection and disconnection.
Description
The present invention is a kind of automatic bayonet socket bindiny mechanism that compensates of band gap that drilling machine is used that relates to, and is specially adapted to the position that auger, water brill etc. connect drill bits, brill tube, the frequent loading and unloading of extension bar and so on that extend.
Existing drilling machine connects drill bit, bores tube, the method for attachment of lengthening extension bar is that screwed connection adds cone and sets upright, locatees, this connection advantage is that simple in structure, good rigidly, concentricity can guarantee with the accuracy of manufacture, it is time-consuming that maximum shortcoming is detained on being, shackle is required great effort very much, and operating efficiency is too low.Number of patent application 00266786X water bores uses the bayonet type quick-connect machanism, pointed out the bayonet type quick connecting method, but there is not safe anti-drop function, in a single day stall suddenly when water drills body of wall, the danger that comes off because of effect of inertia generation bayonet socket easily, this mechanism is with steel ball stake transfer torque with offer the bayonet socket that does not seal in female joint in addition, and the weak point of bayonet socket distortion takes place easily for unreasonable on stressed.The patent application in another this field, application number 01203777X water bores uses quick-connect machanism, it is the three steel ball snap joints transfer torque mechanisms of holding concurrently, it has not only unloads but also slip-off preventing and eliminate joint gap fast, has transmission rigidity, but it belongs to accurate and baroque bindiny mechanism, be not suitable in the site operation of condition harshness, using, maximum weak point in the practicality is in the engineering the drilling construction, inevitably often run into mud, the drilling cuttings machine is assorted is stained with bindiny mechanism's fitting face and the difficulty even stuck of unloading, and in a single day this mechanism come off in boring, do not connect because of passing sliding sleeve, the new difficulty of junk occurs not dragging for.I also once applied for a patent, the bayonet socket bindiny mechanism of application number 022459642 band safety locking pin, attempt to solve quick connection with the bayonet socket mode, solve the slip-off preventing function with safety locking pin, but because the two-part cylinder that it is used is set upright, it there is inevitable fit-up gap, thereby greatly reduce the connection rigidity, jounce easily takes place in the running, thereby but having limited the weak point of its scope of application, this patent application determines to recall.
The purpose of this invention is to provide a kind of band gap bayonet socket bindiny mechanism of compensation automatically, it will solve technically: the first, connect, dismantle quick; The second, gapped automatic compensation function can satisfy the requirement of needed coupling stiffness of drilling machine and smoothness of operation; The 3rd, it is succinct that structural component is wanted, has brill upright opening in harshness, bubble in muddy water, work also harmless extensive compliance and durability: the 4th, have come off function and insert the band gap bayonet socket bindiny mechanism of compensation automatically that can make things convenient for a kind of function admirable that connects again along boring of anti-inertia in case come off.
Our technical scheme is to centralize near the non-self-locking cone from the locking angle with a pair of, use female pushing sleeve of slip and gap compensation stage clip and carry out the bayonet type quick-connect machanism that clearance automatic compensation is a core, for reaching transmission rigidity and avoiding jounce in the running, adopted and allowed female coupling tap be nested with in the female joint cavity to be slidingly matched, all the time push the female coupling tap cover of reasonable length to be close to die nipple face in the male joint with axially putting gap compensation stage clip, reach in and the kilter of rigidity.Our concrete scheme is that the bayonet socket bindiny mechanism that band gap compensates automatically is made up of four parts such as female joint body, male joint, slip female coupling tap cover and gap compensation stage clips, bayonet socket bindiny mechanism is abutted against closely and sets upright from the non-self-locking cone centering of the locking angle, this cone can not only maintain good connection rigidity but also not have self-locking, can rotate to do bayonet socket operation and be convenient to withdraw.On the barrel of the oral area of female joint body, axially open two to three uniform J type bayonet slot, on the corresponding axle journal of male joint, put two to three uniform buckling and torsion pass square boss, buckle in the trip groove of the J type bayonet socket on the female joint body with it, gap compensation stage clip is being pushed slip female coupling tap cover all the time makes the female coupling tap face seamlessly be close to the cone of male joint, slip female coupling tap cover root is equipped with sealing ring, and the chamber that slip female coupling tap on the female joint body is overlapped seals.On the outer rim of slip female coupling tap cover, establish the movable stopper slot of slip female coupling tap cover, on the slip female coupling tap cover chamber wall of female joint body, radially be provided with the movable limited screw of slip female coupling tap cover, limited screw is at the die nipple body pushing slip female coupling tap cover of male joint, the torsion pass boss snaps under the situation of bayonet slot packs into, it can be gap compensation stage clip certain precompression is set, and slip female coupling tap cover then is limited to stay in the female joint body when also making male joint withdraw female joint.Grease holes is also annotated as maintenance in the limited screw hole, and the movable stopper slot that female coupling tap puts is then held concurrently and often is in good lubrication state for oil storage fat groove makes slip female coupling tap cover.Sealing is by cone self fitted seal between cone.In order to solve anti-inertia that bayonet socket the connects function that comes off, measure of the present invention is to have done improvement on bayonet slot, bayonet slot on the female joint body is made the J font, it has the bayonet socket translot that axially enters groove, cross break that buckles torsion pass square boss, and establishes the disconnection proof clamping hook groove as J word eave tile on buckle translot head.Design gaps compensation stage clip has precompressed thrust, and no the pressure of the drill state buckles the torsion pass boss and is crushed on all the time in the trip groove, and has well, and chance stops to bore the inertia falling-off effect that may occur suddenly during anti-drilling body through walls.For this bindiny mechanism is used on the drilling machine, end thrust does not drop on the bearing torque square boss during work, put the cavity bottom of slip female coupling tap cover at the female joint body, if the slip female coupling tap overlaps spacing thrust step, work as public affairs, female joint connects, buckle torsion pass square boss when snapping in bayonet slot translot position, distance (e) between slip female coupling tap cover and the spacing thrust step, generally can be located at the 0.5-1.0 millimeter, and J type bayonet socket translot direct-axis is to staying a gap greater than (e) value (f) to buckling torsion pass square boss, thrust passes on the spacing thrust step when guaranteeing operate as normal, makes to buckle a torsion pass square boss torsion pass square.Because the effect of the gap of this connection compensation stage clip, between die nipple body and the slip female coupling tap cover is gapless, radial clearance and oscillating quantity, depend on the manufacturing play of slip female coupling tap cover and the ratio of slip female coupling tap cover and its external diameter, for reducing the harmful effect of play in transmission of slip female coupling tap cover, satisfy instructions for use, should use the less slip cooperating relationship in gap between slip female coupling tap cover and the chamber wall, the ratio of the female coupling tap that slides in addition cover length and its external diameter is big more, then transmission rigidity is good more, experimental results show that, its practical ratio is best at 1-1.1, and the stable bond of die nipple body, practical ratio should be best at 0.9-1.0 between die nipple body length and die nipple body outside diameter.Use near determining about the male and female cone from the non-self-locking cone face angle optimum value of the locking angle, proof will have the measured to the greatest extent rigidity of setting upright, again not self-locking by experiment, still can make things convenient for rotating operation bayonet socket and withdrawing, the optimum value of face angle 8 ° 30 '-9 ° 30 ' between.The such structure and the impact of performance of generation, it is low to have solved the efficient of then unloading that transmission rigidity is good generally in the prior art, otherwise the transmission rigidity that the efficient of unloading is high is then poor, perhaps bore and use quick-connect machanism as number of patent application 01203777X water, this three steel balls connect the transfer torque of holding concurrently fast because than precision and complex structure, meet mud in the construction, drilling cuttings, machine is assorted, the unities of contradictions such as unpractical weak point of the difficulty of often unloading, band gap is the bayonet socket bindiny mechanism of compensation automatically, its outstanding effect is its existing good transmission rigidity, simple for structure, easily maintenance, can be at vertical drilling, extensive compliance and durability that bubble is worked under the medium exacting terms of muddy water can finish connecing or unloading again free-hand moment, have satisfied purpose of design of the present invention comprehensively.
Beneficial effect of the present invention: if clearly use the technology of the present invention, manufacture the band gap quick transit joint of bayonet type and the lengthening extension bar of compensation automatically for existing with the drilling machine of screwed connection, the screwed connection that can make all hand water drills, auger, drill bit, diamond drill machine tube etc. be difficult to unload, all become safety, the moment formula of unloading, also keep good transmission rigidity, thereby increase work efficiency greatly.
Description of drawings:
Fig. 1 uses the band gap bayonet socket bindiny mechanism technology of compensation automatically, and the band gap of making the drilling machine that is used for traditional screwed connection compensates the overall structure schematic diagram that bayonet socket connects quick transit joint automatically, and this figure also is a Figure of abstract;
Fig. 2 is the structural representation that the bayonet socket of the automatic compensation of band gap connects quick transit joint female joint body;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of male joint;
Fig. 5 is the structural representation of slip female coupling tap cover;
Fig. 6 uses the band gap lengthening extension bar structural representation of the bayonet socket bindiny mechanism technology manufacturing of compensation automatically;
The bayonet socket bindiny mechanism of band gap auto-compensation of the present invention as shown in Figure 1 in the double dot dash line square frame Male joint has been inserted female joint and has been buckled the transmission torque boss and just changed the bayonet socket translot over to and not yet entered the J type The schematic diagram of snap fit groove position, sequence number (1) is the female joint body, and sequence number (2) is male joint, and mother connects Body (2) and male joint (1) all will be done good antirust processing, and sequence number (3) is the slip female coupling tap Cover, (4) are the backlash compensation stage clips, and its seat is in spring pressing chamber (24), and (5) are arranged on male joint On the axle journal, 2-3 is uniform buckles the transmission torque boss, and (6) are arranged on female joint body oral area barrel Upper 2-3 uniform J type bayonet slot, (7) are provided in a side of the sealing ring that the slip female coupling tap puts, (8) Be the movable stopper slot of female coupling tap cover on the slip female coupling tap cover outer rim, (9) are signal die nipple bodies, and (10) are Water hole in the male joint, (11) are the die nipple bodies that is connected with boring bar tool, and (12) are public screw threads, (13) be water hole on the female joint body, (14) are to unload screw thread on the female joint body to use flat side, (15) Be the upper female coupling tap face that connects that is connected with water of male joint (2), (16) are the flat sides of the spanner in the male joint, (17) Be to be connected the female screw thread that connects with water, (18) are the chambers that signal slip female coupling tap cover is packed into, it and slide Be the littler slip cooperating relationship in gap between the female coupling tap cover, (34) are the movable spacing spiral shells of slip female coupling tap cover Silk, it is compressed at the backlash compensation stage clip, in the situation that pin and box sub connects, screws in the female coupling tap cover In the upper movable stopper slot (8), when male joint was withdrawn, slip female coupling tap cover was obstructed outer bullet, Crack compensation stage clip then keeps certain precompression. Can also utilize the limited screw hole toward the dress of slip female coupling tap cover Join and annotate lubricant grease in gap and the movable stopper slot (8), to keep good lubricating. (19) be anti-Konisphere, (e) is the gap that this bindiny mechanism assembling interchangeability must be stayed among the figure, (e) value should be 0.5 Between-1.0 millimeters, be the spacing thrust surface of slip female coupling tap cover (a), when this face bears construction operation The axial thrust of the pressure of the drill can find out among the figure that pin and box sub leans on cone centering to set upright, also by the conical surface self Gapless fitted seal, die nipple body (9) contact with slip female coupling tap cover (3) that just to be in gapless good Set upright state. Carry out the bayonet socket operation, die nipple body (9) is pushing to the right axially, slip female coupling tap cover (3) Be close in die nipple body (9) situation, compression clearance compensation stage clip, the limit turns clockwise until buckle Transmission torque boss (5) enters when J type bayonet socket translot reaches terminal point and looses one's grip, and the sliding of spring force nature Moving female coupling tap cover is pasting the die nipple body and is making die nipple body retraction, buckles the card that the transmission torque boss then snaps in J type bayonet socket Collude groove (22), crouch in snap fit groove (22), snap fit owing to have spring thrust to force to buckle the transmission torque boss Groove (22) has again certain depth, can prevent effectively that sealing bores unexpected start-stop, and the drilling pipe that may cause is used to Property comes off, and reaches safe purpose. And when dismounting is also as long as push inwards male joint and counterclockwise rotation To bayonet socket enter groove (25) position then male joint eject, it is fully the same that to unload a bayonet-type bulb equally fast Speed is convenient. Belong to formation fast transition blank area beyond the double dot dash line frame, this is in the embodiment explanation Set forth. (f) buckles transmission torque boss (5) to enter the bayonet socket translot among the figure, axially stay greater than (e) gap of value is passed on the spacing thrust surface (a) to guarantee axial weight on bit. (g) be the snap fit groove The degree of depth, its optimum value be buckle transmission torque boss (5) diameter 1/3rd to four/ Between one.
The female joint body of the bayonet socket bindiny mechanism of band gap compensation as shown in Figure 2 in the double dot dash line square frame (1), sequence number (L8) is the chamber that slip female coupling tap cover (3) is packed into, and (20) are female joint body oral areas The cylindrical body of J type bayonet socket (6) is set, and (21) are the bayonet socket translots, and (22) are the cards of J type bayonet socket Collude groove, bayonet socket translot (21) and snap fit groove (22) are all spacious logical with outer wall, and (23) are dustproof Ring recess, (24) are spring pressing chambers, are the groove that enters of bayonet socket shown in (25), (35) are slip female coupling tap covers Movable limited screw hole, (32) are the approaching channels of dress sealing ring, (33) are the reinforcing outer rims of female joint. G is the degree of depth of the semicircle J type snap fit groove of expression (22).
Be the left view of Fig. 2 female joint body (1) as shown in Figure 3, mainly expressed bayonet socket and entered groove (25) it is not uncovered as female spline and outer wall, to guarantee female joint body oral area intensity, bayonet socket horizontal stroke About about 40 ° of the displacement β of groove.
The structural representation of male joint as shown in Figure 4 (2), its clear expression on the axle journal (27) of corresponding female joint oral area cylindrical body (20), being provided with two to three uniform buckle torsion pass square boss (5) it is the cylinder of projection, (15) be to bore the female coupling tap face that joins with water, (16) be the flat side of card spanner, (9) be signal die nipple body, α is a face angle, it is non-from the locking angle near from the locking angle, its optimum value 8 ° 30 '-9 ° 30 ' between, r is the die nipple body length, and d is a die nipple body outside diameter, and the optimum value of its practicality of r/d is between 0.9-1.0.
The structural representation of female coupling tap cover (3) as shown in Figure 5 slides, (29) be slip female coupling tap cover outer rim, (30) be the female coupling tap face, (8) be the movable stopper slot of establishing on the outer rim of slip female coupling tap cover stage casing of slip female coupling tap cover, it also is oil storage fat groove, (28) be seal groove, L is the length of slip female coupling tap cover, and D is the external diameter of slip female coupling tap cover.The optimum value of its practicality of L/D is between 1.0-1.1.
Be to use the band gap lengthening extension bar of the bayonet socket bindiny mechanism technology manufacturing of compensation automatically as shown in Figure 6, left side double dot dash line box indicating band gap compensates the female joint body (1) of bayonet socket bindiny mechanism automatically, and gap compensation stage clip (4) and slip female coupling tap cover (3) in cavity, have been installed, sealing ring (7), dust ring (19), gap compensation stage clip (4) is being done under the situation of suitable precompression, in the movable movable stopper slot of limited screw (34) screw-in (8), block slip female coupling tap cover and do not ejected, gap compensation stage clip precompression generally needs the 2-3 kilogram.H is the maximum free travel of slip female coupling tap cover among the figure, and the h value should add the f sum greater than g, shows among the figure that the outer limited screw (34) that plays of slip female coupling tap cover hinders, and it has sub-fraction to charge into J type bayonet socket translot (21) to be in disconnected free travel state.The right double dot dash line box indicating male joint (2), the hollow lever of lengthening extension bar is done in (26) expression, sequence number (31) expression weld bond, but the also integral material manufacturing of extension bar that extends certainly.
The specific embodiment: the most preferred embodiment of the bayonet socket bindiny mechanism of the automatic compensation of band gap of the present invention is to consult Fig. 1 to connect quick transit joint and lengthening extension bar with its production drilling machine with the automatic bayonet socket that compensates of band gap to shown in Figure 6.Make in the existing society and exist in a large number, directly connect with screw thread, the drilling machine that has the difficulty of unloading, mix after the quick transit joint of bayonet socket of the automatic compensation of this band gap, unload bore tube, extension bar change into band gap automatically the bayonet socket connecting portion of compensation carry out, realize that moment unloads and keep the advantage of good communication rigidity, reach and raise the efficiency and the labour-saving purpose.Contrast Fig. 1 integral body is that the bayonet socket of said band gap compensation connects quick transit joint, it has been expressed in the double dot dash line frame among the figure, band gap is the overall structure schematic diagram of the bayonet socket bindiny mechanism of compensation automatically, this is existing elaborating in description of drawings, and from the overall picture of Fig. 1, female screw thread (17) and female coupling tap face (15) are made by existing drilling machine screwed connection standard in male joint (2) left side, (16) be flat side, be convenient to its stubborn auger that is connected on, on the output shaft head (38) that water bores, generally no longer dismounting, double dot dash line (37) signal water bores, (36) the flat side on the signal water auger spindle head, public screw thread (12) and die nipple face (11) are made by existing drilling machine screw thread standard in the right of female joint body (1), are connected on the instruments such as boring tube with it, bore tube generally no longer dismounting herein unless change.Tube is bored in double dot dash line (39) signal.After mixing band gap automatically the bayonet socket of compensation connecting quick transit joint, bore the band gap of tube and the water dismounting between boring in the middle of just changing into and carried out at the bayonet socket bindiny mechanism position of compensation automatically.Obviously drilling machine, instrument are mixed band gap automatically after the quick transit joint of bayonet type of compensation, can realize between auger and drill bit, the brill tube that not only moment unloads, and still keep good transmission rigidity.The end band gap that the bayonet socket bindiny mechanism technology of directly using band gap to compensate is automatically as shown in Figure 6 made is the bayonet socket female joint of compensation automatically, one end is made the male joint (2) of bayonet socket connection, the middle quick extension bar that extends of bayonet socket connection that upward extends the body of rod (26) and become the automatic compensation of band gap that welds.
Use method of operating:
Because cone has fabulous guiding centralizing function, hold male joint (2), direct-axis is yearned for female joint body interpolation, the action of commentaries on classics is clockwise done on the limit, finds bayonet socket automatically and continues to make the sliding of male joint cone to move the female coupling tap cover, presses gap compensation stage clip, change over to and loose one's grip when translot top is trip groove position when buckling torsion pass square boss, be subjected to stage clip effect slip female coupling tap cover rollback, make to buckle torsion pass square boss (5) and snap in the trip groove (22) of J type bayonet socket, reach the purpose that the anti-inertia of safety comes off.And need dismantle the time, hand push male joint (2) makes to buckle torsion pass square boss (5) and axially extruded trip groove and the counterclockwise rotation groove that axially enters to bayonet socket and promptly eject automatically, and slip female coupling tap cover remains in the chamber by movable limited screw.Can connect male joint during maintenance, unload limited screw (34) again, in limited screw hole (35), annotate lubricant grease, will rise and clean and lubrication, very convenient.
The quick transit joint that the bayonet socket bindiny mechanism that band gap compensates automatically makes with regard to embodiment, it is owing to the high efficiency that not only has moment to unload, again because the high concentricity, transmission rigidity, the anti-run safety that have had the clearance automatic compensation function to keep are also simple for structure owing to it, easily maintenance, have the compliance and the durability of under harsh conditions, working, any auger and hand water drill can be equipped with use, have good economic results in society.
Claims (5)
1. the band gap bayonet socket bindiny mechanism of compensation automatically, it is characterized in that it is by female joint body (1), male joint (2), slip female coupling tap cover (3) and gap compensation stage clip (4) four parts are formed, bayonet socket bindiny mechanism is abutted against closely and sets upright from non-self-locking cone (9) centering of the locking angle, on the barrel of the oral area (20) of female joint body, axially open two to three uniform J type bayonet slot, on the corresponding axle journal (27) of male joint (2), put two to three uniform torsion pass square boss (5) that buckle, buckle in the trip groove (22) of the J type bayonet slot on the female joint body with it, gap compensation stage clip (4) seat is in spring pressing chamber (24), all the time pushing slip female coupling tap cover (3) makes its conical surface (30) be close to the cone (9) of male joint, slip female coupling tap cover root is equipped with sealing ring (7), on slip female coupling tap cover outer rim (29), establish the movable stopper slot (8) of female coupling tap cover, the bottom of the slip female coupling tap cover chamber (18) of female joint body (1) has the slip female coupling tap to overlap spacing thrust surface (α), is provided with the movable limited screw (34) of slip female coupling tap cover on the chamber wall of slip female coupling tap cover chamber (18).
2. according to the automatic bayonet socket bindiny mechanism of compensation of the described band gap of claim 1, it is characterized in that centering set upright cone face angle a optimum value 8 ° 30 '-9 ° 30 ' between.
3. according to the automatic bayonet socket bindiny mechanism that compensates of the described band gap of claim 1, the bayonet socket that it is characterized in that two to three uniform J type bayonet slot (6) on the female joint body enters the external wall of groove (25) butt joint and does not open wide, and the trip groove (22) of the translot (21) of J type bayonet socket and J type bayonet socket and fittings body outer wall are opened, the optimum value of trip groove (22) degree of depth (g) of J type bayonet socket be buckle torsion pass square boss (5) diameter 1/3rd to 1/4th between.
4. according to the automatic bayonet socket bindiny mechanism of compensation of the described band gap of claim 1, the optimum ratio of the tapered sleeve length L and the dimension cover outer diameter D of the female coupling tap cover (3) that it is characterized in that sliding, L/D is 1-1.1.
5. according to the automatic bayonet socket bindiny mechanism of compensation of the described band gap of claim 1, it is characterized in that the cone length r of die nipple body of male joint and the optimum ratio of cone outside diameter d, r/d is 0.9-1.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02148689 CN1417450A (en) | 2002-11-18 | 2002-11-18 | Bayonet joint mechanism with automatic interval compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02148689 CN1417450A (en) | 2002-11-18 | 2002-11-18 | Bayonet joint mechanism with automatic interval compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1417450A true CN1417450A (en) | 2003-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02148689 Pending CN1417450A (en) | 2002-11-18 | 2002-11-18 | Bayonet joint mechanism with automatic interval compensation |
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| CN (1) | CN1417450A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358675C (en) * | 2004-10-14 | 2008-01-02 | 陈月辉 | Quick safety connecting mechanism |
| CN103046877A (en) * | 2011-10-15 | 2013-04-17 | 王晓强 | Anti-dropping mechanism of quick joint |
| CN104838086A (en) * | 2012-10-26 | 2015-08-12 | 哈里伯顿能源服务公司 | Mechanically actuated device positioned below mechanically actuated release assembly utilizing j- slot device |
| EP3374591A4 (en) * | 2015-11-10 | 2019-07-03 | Swick Mining Services Ltd | A connection device |
| CN116006096A (en) * | 2023-03-27 | 2023-04-25 | 纬达石油装备有限公司 | Safety joint and use method thereof |
-
2002
- 2002-11-18 CN CN 02148689 patent/CN1417450A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358675C (en) * | 2004-10-14 | 2008-01-02 | 陈月辉 | Quick safety connecting mechanism |
| CN103046877A (en) * | 2011-10-15 | 2013-04-17 | 王晓强 | Anti-dropping mechanism of quick joint |
| CN104838086A (en) * | 2012-10-26 | 2015-08-12 | 哈里伯顿能源服务公司 | Mechanically actuated device positioned below mechanically actuated release assembly utilizing j- slot device |
| EP3374591A4 (en) * | 2015-11-10 | 2019-07-03 | Swick Mining Services Ltd | A connection device |
| US11168823B2 (en) | 2015-11-10 | 2021-11-09 | Swick Mining Services Ltd | Connection device |
| CN116006096A (en) * | 2023-03-27 | 2023-04-25 | 纬达石油装备有限公司 | Safety joint and use method thereof |
| CN116006096B (en) * | 2023-03-27 | 2023-05-30 | 纬达石油装备有限公司 | Safety joint and use method thereof |
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