CN107152256A - A kind of drill stem fixed clamp - Google Patents
A kind of drill stem fixed clamp Download PDFInfo
- Publication number
- CN107152256A CN107152256A CN201710572800.4A CN201710572800A CN107152256A CN 107152256 A CN107152256 A CN 107152256A CN 201710572800 A CN201710572800 A CN 201710572800A CN 107152256 A CN107152256 A CN 107152256A
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- card component
- dead
- dead card
- groove
- sliding part
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of oilfield drilling well blowout preventing device, especially a kind of drill stem fixed clamp for preventing that drilling tool from scurrying out to outside well.Including dead card component, tooth core is provided with the inwall of dead card component, dead card component is connected together with tooth core；The dead card component includes dead card component I and dead card component II, and dead card component I and dead one end of card component II are hinged；Dead one end of card component I is fixedly connected with locking system, and the other end is hinged with dead card component II；Described dead one end of card component II is hinged with dead card component I, and the other end is movable end；The locking system includes locking system body and the sliding part that can be slided along locking system body, and the groove for placing the dead movable end of card component II is provided between sliding part and locking system body.The present invention integrates multiple advantage, and installation and removal are needed only to once lift and can completed, and have greatly saved cost, increase production efficiency, and simple in construction, installs and safeguards all very convenient.
Description
Technical field
The present invention relates to a kind of oilfield drilling well blowout preventing device, especially a kind of drilling rod for preventing that drilling tool from scurrying out to outside well
Dead card.
Background technology
In the exploitation and Exploration Domain of oil gas field, when wellbore construction personnel obtain to various pressure oil-gas reservoirs, well
Bottom pressure applies an active force greatly pushed out to drilling fluid and drilling tool.When bottom pressure is more than what driller applied
Well kick or blowout phenomenon just occur during equilibrant force.At this moment well head has special preventer, prevents in well liquid from surface of drill stem
Outwards spray, and drilling tool typically has interior jet-preventing tool to prevent that liquid is altered upwards from drilling tool water hole in well.But at this moment borehole pressure
Rise is may proceed to, drilling tool is altered upwards just as the liquid cylinder piston bar of a pressure-bearing.If now taking no action to be easy for causing to put
Spray apparatus is damaged, and the drilling tool of several kms can all spray well head and cause Oil/gas Well blowout.The life of related personnel can seriously be jeopardized
Safety, and bring huge economic losses.Existing drill stem fixed clamp, the size of substantially dead card component or clip when dispatching from the factory all
It is fixed, but in actual applications, the size of drilling rod is not fixed, if running into different size or brill of different shapes
Bar, then need to change matched drill stem fixed clamp, cause the increase of cost and the waste of manpower and materials.
In order to solve the above-mentioned technical problem, Authorization Notice No. is CN204591201U, and authorized announcement date is 2015.08.26
Chinese invention patent disclose a kind of drill stem fixed clamp, including dead card body, dead card body is by two or more pieces of dead card group
Part is put together, it is characterised in that：One end of dead card component is hinged, and the other end is connected with hydraulic Lock device.
The drill stem fixed clamp by locking dead card component toward being passed through hydraulic pressure in hydraulic Lock device always, though the drill stem fixed clamp
Can so realize prevents drilling tool from being gone here and there out to outside well, but the requirement for being passed through hydraulic pressure always for hydraulic system and fluid pressure line is non-
Chang Gao, if hydraulic system or fluid pressure line break down and pressure release during drilling well, may result in drill stem fixed clamp and loosens very
Function is held tightly to losing, and pressure reduction of the dead card to drilling tool is risen to entirely without pressure, the accident for causing drilling tool to be gone here and there out to outside well
Occur.
The drill stem fixed clamp is hydraulic Lock device and dead card component is split type connection, is needed dead card group when mounted first
Part is enclosed on drilling tool, compresses dead card component, and hydraulic Lock device is then being hung to the position of dead card component by suspender, will be dead
Card component is inserted in the groove of hydraulic Lock device.Because the weight of hydraulic Lock device and dead card component is larger, installation and removal
It is required for more manpower and suspender to complete, inevitable trouble is brought to installation and removal.
The content of the invention
It is an object of the present invention to for problems of the prior art, propose a kind of drill stem fixed clamp, go for
The drilling rod of different sizes and shapes, while by the way that locking system is fixedly connected with dead card component, being opened by way of push-and-pull
Or locking system is closed, allow dead card to install, dismantle and safeguard all very convenient.
To achieve these goals, the technical solution adopted by the present invention is：
Tooth core is provided with a kind of drill stem fixed clamp, including dead card component, the inwall of dead card component, dead card component engages company with tooth core
Connect；The dead card component includes dead card component I and dead card component II, and dead card component I and dead one end of card component II are hinged；
Dead one end of card component I is fixedly connected with locking system, and the other end is hinged with dead card component II；Described dead one end of card component II with it is dead
Card component I is hinged, and the other end is movable end；The locking system includes locking system body and can slided along locking system body
Sliding part, the groove for placing the dead movable end of card component II is provided between sliding part and locking system body.
The C-shaped channel corresponding with sliding part size is provided with the locking system body, sliding part is arranged at C-shaped channel
It is interior；It is provided with chute, the corresponding position of sliding part and is provided with and chute phase on the side wall of the C-shaped channel top and bottom
Corresponding sliding block, sliding block is arranged in chute.
The phase being provided with limited block I and limited block II, sliding block with limited block I and limited block II is provided with the chute
Limited location beam is set on corresponding stopper slot, the stopper slot between limited block I and limited block II.
Handle II is provided with the sliding part；Handle I is provided with the dead card component II.
It is provided with the inwall of the dead card component in neck, tooth core and is provided with the fixture block corresponding with neck, the card
Block is connected together with neck；Correspondence position on the groove II of indent, fixture block is provided with the neck and is provided with projection, projection with
Groove II is connected together.
The bottom of the dead card component is additionally provided with the retainer ring that longitudinal section is L-type, and described retainer ring one end passes through screw
With dead card component bolt connection, the bottom of the other end and tooth core is connected together；The bottom of the tooth core is provided with and retainer ring phase
Corresponding groove III.
Set with teeth on the inwall of the tooth core；The dead card component is included between being provided between multiple tooth cores, two tooth cores
Gap.
The sliding part includes mechanical interlock mechanism, and mechanical interlock mechanism includes stud and screw, and stud is arranged at screw
Interior, stud outer wall is provided with the screw thread being engaged with screw, and screw is arranged in sliding part；The screw is connected with groove；It is described
Mechanical interlock mechanism is by fluid motor-driven, and hydraulic motor includes drive shaft, and drive shaft driving stud is moved in screw.
The stud is provided with axis hole and groove close to the end of drive shaft, and axis hole and groove are axially arranged along stud,
Groove is arranged at the side of axis hole；The end of drive shaft is fixedly installed driving key, and the end of drive shaft is arranged in axis hole,
Driving key is arranged in groove；The sliding part, which is additionally provided with fluid cylinder, fluid cylinder, is provided with piston and spring, and spring is arranged at work
Between plug and fluid cylinder, hydraulic pressure oil groove is formed between fluid cylinder and piston, hydraulic pressure oil groove is communicated with hydraulic pressure gateway.
Sealing block is additionally provided with the fluid cylinder, hydraulic pressure oil groove is formed between sealing block and piston；The fluid cylinder is provided with
Two, the hydraulic pressure oil groove in two fluid cylinders is connected by through hole；The hydraulic pressure gateway is single, is arranged on sealing block；It is described
Seal is provided between piston and sealing block and fluid cylinder.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the present invention is on the inwall of dead card component by setting dismountable tooth core, face that tooth core is contacted with drilling rod and drilling rod
Size, shape are equal, therefore can change corresponding tooth core according to the drilling rod of different size or shape, make same dead card can
With suitable for different drilling rods.Meanwhile, by the way that dead card component I is fixedly connected with locking system, locking system is arranged to push-and-pull
Formula structure, locking and the unblock of dead card component II are completed by push-and-pull sliding part, dead card component is turned into one with locking system
It is overall.The present invention integrates above-mentioned two-fold advantage, and installation and removal are needed only to once lift and can completed, and are greatly saved
Cost, increases production efficiency, and simple in construction, installs and safeguards all very convenient.
2nd, by the way that tooth core is connected together with dead card component, it is easy to the installation and replacing of tooth core.Neck inner groovy II and tooth
The position of tooth core, can be defined by the setting of core upper protruding block, tooth core is not dropped easily when installation and removal.
Retainer ring is coordinated with groove II, projection, is further defined the position of tooth core, it is ensured that tooth core is in locking drilling rod
During, installation and removal in cannot inadvertently fall out.
3rd, anti-slop serrations are provided with tooth core inwall, the connection of tooth core and drilling rod can be made even closer, increase drill stem fixed clamp
Fixed efficiency.
4th, tooth core is arranged to polylith, is easy to tooth core being installed into the neck of dead card component, while also allowing for dismounting.When dead
During card component is by drilling rod locking, the gap between tooth core can allow the inwall of tooth core preferably to be fitted with drilling rod, improve
The locking effect extremely blocked.
5th, the inwall of tooth core sets the various shapes such as camber, square, prismatic, can be applicable the drilling rod of various shapes, increases
Plus the scope of application extremely blocked.
6th, by the way that dead card component I is fixedly connected with locking system, locking system is arranged to push-pull structure, passes through push-and-pull
Sliding part completes locking and the unblock of dead card component II, dead card component and locking system is turned into an entirety, installation and removal
Needing only to once lift to complete, and mount and dismount all very convenient.
7th, the setting of limited block I, limited block II and stopper slot, further limits sliding block along linear motion, meanwhile, it is spacing
The setting of limit beam between block I and limited block II, can prevent that the distance of sliding part slip is excessive and skids off chute, increase is originally
The stability and security of invention.When opening locking system, after limit beam is moved at limited block I, the stop of block I is limited,
It is prevented from sliding part and skids off chute；When closing locking system, after limit beam is moved at limited block II, the resistance of block II is limited
Gear, so that it may prevent sliding part from skidding off chute.
8th, handle II and handle I are set respectively on sliding part and dead card component II, facilitate sliding part and dead card component II
Open.
9th, during drilling tool works, dead card component I and dead card component II are locked by mechanical locking mode,
Hydraulic oil need not be passed through always to keep the locking of dead card component I and dead card component II, add safety and stability, together
When in-site installation and using simple and convenient.
10th, dead card component I and dead card component II are subjected to locking by way of rotating stud, it is possible to achieve in drilling tool work
The operation that power can maintain extremely to block need not be provided during work again for locking system.
11st, because situ of drilling well has flammable explosive gas, make situ of drilling well safer using hydraulic motor.With fluid cylinder
Using identical power, without increasing other power sources newly, equipment is easy for installation.Torque Performance of Hydraulic Motor is big, is without increase decelerator
It can obtain high torque so that equipment is simple.Meanwhile, hydraulic motor is also cooled constantly by hydraulic oil in the running, does not deposit
In overheat risk.
12nd, while hydraulic motor drives drive shaft turns, driving key is with drive shaft turns, while driving key drives spiral shell
Post is rotated, and stud can advance or retreat in screw during rotation, and stud is during advance or retrogressing, transmission
Slided in groove I of the key in stud axis hole, keeping the position of the drive shaft and driving key feelings static relative to locking system
Under condition, stud is set to advance or retreat.The driving force of drive shaft is passed to by stud by driving key, the position of hydraulic motor can be allowed
Put that holding is constant, at the same do not allow yet hydraulic motor drive shaft directly and Stud connection, prevent that the drive shaft of hydraulic motor is direct
The axial force of stud is born, while locking system locking effect is ensured, it is to avoid stud is damaged to hydraulic motor.
13rd, in the use of the present invention, first pulling out sliding part along chute, dead card component II is opened along pin joint, will be dead
Card component I and dead card component II are enclosed on drilling rod, close dead card component I and dead card component II, sliding part is pushed into along chute.To
Hydraulic oil is passed through in fluid cylinder, the piston allowed in fluid cylinder compresses dead card component II, then again by fluid motor-driven stud in screw
Interior rotation, the dead card component I of locking and dead card component II, stud are completed after locking, and the hydraulic pressure in fluid cylinder is released.When needs are removed
During dead card, hydraulic oil is first passed through into fluid cylinder, the piston allowed in fluid cylinder compresses dead card component II, is then driven again by hydraulic motor
Dynamic stud is reversely rotated in screw, is cancelled to dead card component I and the locking of dead card component II, treats that stud reversely rotates completion
Afterwards, the hydraulic pressure in fluid cylinder is released.By being passed through hydraulic oil, hydraulic motor is reduced in driving stud in locking and the process opened
The middle power for needing to provide, reduces the power of hydraulic motor, saves the energy.Also make the locking of stud simultaneously and open more square
Just.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is structural perspective of the present invention；
Fig. 2 is structural perspective when dead card component of the invention is opened；
Fig. 3 is structural perspective when dead card component of the invention is opened（Sliding part is not marked）；
Fig. 4 is sliding part schematic enlarged-scale view of the present invention；
Fig. 5 is sliding part structure cutaway view Amplified image；
Fig. 6 is bolt structure top perspective view；
Fig. 7 is structure top view of the present invention；
Fig. 8 is A-A sectional views in Fig. 7；
Fig. 9 is dead card component longitudinal cross-section view；
Figure 10 is enlarged drawing at B in Fig. 9；
Figure 11 is the tooth core structural representation of the embodiment of the present invention 13.
Marked in figure：1st, dead card component I；2nd, locking system；3rd, sealing block；4th, mechanical interlock mechanism；5th, drive shaft；6th, pass
Dynamic key；7th, stud；8th, through hole；9th, seal；10th, piston；11st, spring；12nd, hydraulic pressure oil groove；13rd, axis hole；14th, groove；15th, spiral shell
Hole；16th, fluid cylinder；17th, hydraulic pressure gateway；18th, groove；19th, chute；20th, limited block I；21st, limited block II；23rd, handle I；24th,
Hand II；25th, sliding block；26th, stopper slot；27th, spacing beam；28th, dead card component II；29th, locking system body；30th, sliding part；31、
Tooth core；32nd, dead card component；33rd, retainer ring；34th, screw；35th, tooth；36th, projection.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " on ", " vertical ", " interior ", the orientation of instruction such as " outer " or
Position relationship be based on orientation shown in the drawings or position relationship, or the orientation usually put when using of the invention product or
Position relationship, or the orientation that usually understands of those skilled in the art or position relationship, are for only for ease of the description present invention
Described with simplifying, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are only used for distinguishing description,
And it is not intended that indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment includes：
Tooth core 31, dead card component 32 and tooth are provided with a kind of drill stem fixed clamp, including dead card component 32, the inwall of dead card component 32
Core 31 is connected together；The dead card component 32 includes dead card component I 1 and dead card component II 28, dead card component I 1 and dead card component
II 28 one end are hinged；Dead one end of card component I 1 is fixedly connected with locking system 2, and the other end is cut with scissors with dead card component II 28
Connect；Described dead one end of card component II 28 is hinged with dead card component I 1, and the other end is movable end；The locking system 2 includes locking
Device body 29 and the sliding part 30 that can be slided along locking system body 29, are set between sliding part 30 and locking system body 29
There is the groove 18 for placing the dead movable end of card component II 28.
The C-shaped channel corresponding with the size of sliding part 30 is provided with the locking system body 29, sliding part 30 is arranged at C
In type groove；Chute 19 is provided with the side wall of the C-shaped channel top and bottom, sliding part 30 is provided with corresponding position
The sliding block 25 corresponding with chute 19, sliding block 25 is arranged in chute 19.
It is provided with limited block I 20 and limited block II 21, sliding block 25 and is provided with and limited block I 20 and limit on the chute 19
Limited location beam is set on the corresponding stopper slot 26 of position block II 21, the stopper slot 26 between limited block I 20 and limited block II 21
27。
Handle II 24 is provided with the sliding part 30；Handle I 23 is provided with the dead card component II 28.
It is provided with the inwall of the dead card component 32 in neck, tooth core 31 and is provided with the fixture block corresponding with neck, institute
Fixture block is stated to be connected together with neck；Correspondence position on the groove II of indent, fixture block is provided with the neck and is provided with projection 36,
Projection 36 is connected together with groove II.
The bottom of the dead card component 32 is additionally provided with the retainer ring 33 that longitudinal section is L-type, and described one end of retainer ring 33 leads to
Screw 34 and the dead bolt connection of card component 32 are crossed, the other end and the bottom of tooth core 31 are connected together；The bottom of the tooth core 31 is set
It is equipped with the groove III corresponding with retainer ring 33.
With teeth 35 are set on the inwall of the tooth core 31；The dead card component is included between multiple tooth cores 31, two tooth cores 31
It is provided with gap.
The sliding part 30 includes mechanical interlock mechanism 4, and mechanical interlock mechanism 4 includes stud 7 and screw 15, and stud 7 is set
It is placed in screw 15, the outer wall of stud 7 is provided with the screw thread being engaged with screw 15, screw 15 is arranged in sliding part 2；The spiral shell
Hole 7 is connected with groove 18；The mechanical interlock mechanism 4 includes drive shaft 5 by fluid motor-driven, hydraulic motor, and drive shaft 5 drives
Stud 7 is moved in screw 15.
The stud 7 is provided with axis hole 13 and groove 14 close to the end of drive shaft 5, and axis hole 13 and groove 14 are along stud
7 is axially arranged, and groove 14 is arranged at the side of axis hole 13；The end of drive shaft 5 is fixedly installed driving key 6, and drive shaft 5
End is arranged in axis hole 13, and driving key 6 is arranged in groove 14；The sliding part 30 is additionally provided with fluid cylinder 16, fluid cylinder 16
Piston 10 and spring 11 are provided with, spring 11 is arranged between piston 10 and fluid cylinder 16, and hydraulic pressure is formed between fluid cylinder 16 and piston
Oil groove 12, hydraulic pressure oil groove 12 is communicated with hydraulic pressure gateway 17.
Sealing block 3 is additionally provided with the fluid cylinder 16, hydraulic pressure oil groove 12 is formed between sealing block 3 and piston 10；The liquid
The hydraulic pressure oil groove 12 that cylinder 16 is provided with two, two fluid cylinders 16 is connected by through hole 8；The hydraulic pressure gateway 17 is single, if
It is placed on sealing block 3；Seal 9 is provided between the piston 10 and sealing block 3 and fluid cylinder 16.
The present invention by setting dismountable tooth core 31 on the inwall of dead card component, face that tooth core 31 is contacted with drilling rod and
Size, the shape of drilling rod are equal, therefore can change corresponding tooth core 31 according to the drilling rod of different size or shape, make same
Individual dead card goes for different drilling rods.Meanwhile, by the way that dead card component I 1 is fixedly connected with locking system 2, locking system 2
It is arranged to push-pull structure, locking and the unblock of dead card component II 28 is completed by push-and-pull sliding part 30, makes dead card component and lock
Locking apparatus 2 turns into an entirety.The present invention integrates above-mentioned two-fold advantage, and installation and removal need only to once lift
Complete, greatly saved cost, increase production efficiency, and it is simple in construction, install and safeguard all very convenient.
By the way that tooth core 31 is connected together with dead card component, it is easy to the installation and replacing of tooth core 31.Neck inner groovy II with
The position of tooth core 31, can be defined by the setting of the upper protruding block 36 of tooth core 31, make tooth core 31 installation and removal when not
It can drop easily.Retainer ring 33 is coordinated with groove II, projection 36, is further defined the position of tooth core 31, it is ensured that
Tooth core 31 cannot inadvertently fall out during locking drilling rod, in installation and removal.
Anti-slop serrations 35 are provided with the inwall of tooth core 31, tooth core 31 and the connection of drilling rod can be made even closer, increase drilling rod
The fixed efficiency extremely blocked.Tooth core 31 is arranged to polylith, is easy to tooth core 31 being installed into the neck of dead card component, also allows for simultaneously
Dismounting.During dead card component is by drilling rod locking, the gap between tooth core 31 can allow tooth core inwall preferably with brill
Bar is fitted, and improves the locking effect extremely blocked.The inwall of tooth core 31 sets the various shapes such as camber, square, prismatic, can be applicable
The drilling rod of various shapes, increases the scope of application extremely blocked.
By the way that dead card component I 1 is fixedly connected with locking system 2, locking system 2 is arranged to push-pull structure, by pushing away
Draw sliding part 30 to complete locking and the unblock of dead card component II 28, dead card component is turned into an entirety with locking system 2, install
Needing only to once lift with dismounting to complete, and mount and dismount all very convenient.
The setting of limited block I 20, limited block II 21 and stopper slot 26, further limits sliding block 19 along linear motion, together
When, the setting of the limit beam 27 between limited block I 20 and limited block II 21, can prevent sliding part 30 slide distance it is excessive and
Chute 19 is skidded off, increases the stability and security of the present invention.When opening locking system 2, limit beam 27 moves to limited block I
After at 20, the stop of block I 20 is limited, so that it may prevent sliding part from sliding 30 and going out chute 19；When closing locking system 2, limit beam 27
After moving at limited block II 21, the stop of block II 21 is limited, so that it may prevent sliding part 30 from skidding off chute 19.
Handle II 24 and handle I 23 are set respectively on sliding part 30 and dead card component II 28, facilitate sliding part 30 and dead card
The opening of component II 28.
During drilling tool works, dead card component I 1 and dead card component II 28 are locked by mechanical locking mode
Tightly, it is not necessary to be passed through hydraulic oil always to keep the locking of dead card component I 1 and dead card component II 28, security is added and steady
It is qualitative, while in-site installation and use are simple and convenient.
Dead card component I 1 and dead card component II 28 are subjected to locking by way of rotating stud 7, it is possible to achieve in drilling tool
The operation that power can maintain extremely to block need not be provided during work again for locking system 2.
Because situ of drilling well has flammable explosive gas, make situ of drilling well safer using hydraulic motor.With fluid cylinder 16
Using identical power, without increasing other power sources newly, equipment is easy for installation.Torque Performance of Hydraulic Motor is big, is without increase decelerator
It can obtain high torque so that equipment is simple.Meanwhile, hydraulic motor is also cooled constantly by hydraulic oil in the running, does not deposit
In overheat risk.
While hydraulic motor drives the rotation of drive shaft 5, driving key 6 is rotated with drive shaft 5, while driving key 6 drives
Stud 7 is rotated, and stud 7 can advance or retreat in screw 15 during rotation, and stud 7 is in the process advanced or retreated
In, slided in groove I 14 of the driving key 6 in the axis hole 13 of stud 7, keep the position of drive shaft 5 and driving key 6 relative to
In the case that locking system 2 is static, stud 7 is set to advance or retreat.The driving force of drive shaft 5 is passed to by spiral shell by driving key 6
Post 7, can allow the position of hydraulic motor to keep constant, while do not allow the drive shaft 5 of hydraulic motor to be directly connected with stud 7 yet,
Prevent the drive shaft 5 of hydraulic motor from directly bearing the axial force of stud 7, while locking system 2 effect of locking is ensured, it is to avoid
Stud 7 is damaged to hydraulic motor.
In the use of the present invention, first pulling out sliding part 30 along chute 19, dead card component II 28 is opened along pin joint, will
Dead card component I 1 and dead card component II 28 are enclosed on drilling rod, dead card component I 1 and dead card component II 28 are closed, by the edge of sliding part 30
Chute 19 is pushed into.Hydraulic oil is passed through into fluid cylinder 16, the piston 10 allowed in fluid cylinder 16 compresses dead card component II 28, then again by liquid
Pressure motor drives stud 7 to be rotated in screw 15, and the dead card component I 1 of locking and dead card component II 28, stud 7 are completed after locking, will
Hydraulic pressure in fluid cylinder 16 is released.When needing to remove dead card, hydraulic oil first is passed through into fluid cylinder 16, the piston pressure allowed in fluid cylinder 16
Tight dead card component II 28, is then reversely rotated in screw 15 by fluid motor-driven stud 7, cancelled to dead card component I 1 again
With the locking of dead card component II 28, after the completion for the treatment of that stud 7 is reversely rotated, the hydraulic pressure in fluid cylinder 16 is released.By being passed through hydraulic pressure
Oil, reduce hydraulic motor needs the power of offer in driving stud 7 in locking and during opening, and reduces the work(of hydraulic motor
Rate, saves the energy.Also make the locking of stud 7 simultaneously and open more to facilitate.
Embodiment 2
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment includes：
Tooth core 31, dead card component 32 and tooth are provided with a kind of drill stem fixed clamp, including dead card component 32, the inwall of dead card component 32
Core 31 is connected together；The dead card component 32 includes dead card component I 1 and dead card component II 28, dead card component I 1 and dead card component
II 28 one end are hinged；Dead one end of card component I 1 is fixedly connected with locking system 2, and the other end is cut with scissors with dead card component II 28
Connect；Described dead one end of card component II 28 is hinged with dead card component I 1, and the other end is movable end；The locking system 2 includes locking
Device body 29 and the sliding part 30 that can be slided along locking system body 29, are set between sliding part 30 and locking system body 29
There is the groove 18 for placing the dead movable end of card component II 28.
Embodiment 3
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 2, and difference is：
The C-shaped channel corresponding with the size of sliding part 30 is provided with the locking system body 29, sliding part 30 is arranged at C-shaped channel
It is interior；It is provided with chute 19, the corresponding position of sliding part 30 and is provided with sliding on the side wall of the C-shaped channel top and bottom
The corresponding sliding block 25 of groove 19, sliding block 25 is arranged in chute 19.
Embodiment 4
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 3, and difference is：
It is provided with limited block I 20 and limited block II 21, sliding block 25 and is provided with and limited block I 20 and limited block on the chute 19
Limited location beam 27 is set on II 21 corresponding stopper slot 26, the stopper slot 26 between limited block I 20 and limited block II 21.
Embodiment 5
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 2, and difference is：
Handle II 24 is provided with the sliding part 30；Handle I 23 is provided with the dead card component II 28.
Embodiment 6
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 2, and difference is：
It is provided with the inwall of the dead card component 32 in neck, tooth core 31 and is provided with the fixture block corresponding with neck, the card
Block is connected together with neck；Correspondence position on the groove II of indent, fixture block is provided with the neck and is provided with projection 36, projection
36 are connected together with groove II.
Embodiment 7
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 6, and difference is：
The bottom of the dead card component 32 is additionally provided with the retainer ring 33 that longitudinal section is L-type, and described one end of retainer ring 33 passes through spiral shell
Nail 34 and the dead bolt connection of card component 32, the other end and the bottom of tooth core 31 are connected together；The bottom of the tooth core 31 is provided with
The groove III corresponding with retainer ring 33.
Embodiment 8
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 6, and difference is：
With teeth 35 are set on the inwall of the tooth core 31；The dead card component includes setting between multiple tooth cores 31, two tooth cores 31
There is gap.
Embodiment 9
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 2, and difference is：
The sliding part 30 includes mechanical interlock mechanism 4, and mechanical interlock mechanism 4 includes stud 7 and screw 15, and stud 7 is arranged at
In screw 15, the outer wall of stud 7 is provided with the screw thread being engaged with screw 15, and screw 15 is arranged in sliding part 2；The screw 7
Connected with groove 18；The mechanical interlock mechanism 4 is by fluid motor-driven, and hydraulic motor includes drive shaft 5, the driving spiral shell of drive shaft 5
Post 7 is moved in screw 15.
Embodiment 10
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 9, and difference is：
The stud 7 is provided with axis hole 13 and groove 14 close to the end of drive shaft 5, and axis hole 13 and groove 14 are along the axle of stud 7
To setting, groove 14 is arranged at the side of axis hole 13；The end of drive shaft 5 is fixedly installed driving key 6, and the end of drive shaft 5
Portion is arranged in axis hole 13, and driving key 6 is arranged in groove 14；The sliding part 30 is additionally provided with fluid cylinder 16, fluid cylinder 16 and set
Piston 10 and spring 11 are equipped with, spring 11 is arranged between piston 10 and fluid cylinder 16, and hydraulic oil is formed between fluid cylinder 16 and piston
Groove 12, hydraulic pressure oil groove 12 is communicated with hydraulic pressure gateway 17.
Embodiment 11
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 10, and difference is：
Sealing block 3 is additionally provided with the fluid cylinder 16, hydraulic pressure oil groove 12 is formed between sealing block 3 and piston 10；The fluid cylinder 16
The hydraulic pressure oil groove 12 being provided with two, two fluid cylinders 16 is connected by through hole 8；The hydraulic pressure gateway 17 is single, is arranged at
On sealing block 3；Seal 9 is provided between the piston 10 and sealing block 3 and fluid cylinder 16.
Embodiment 12
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 1, and difference is：
The inwall of the tooth core 31 is arc.The inwall of the tooth core 31 is the face that tooth core 31 is contacted with drilling rod.
Embodiment 13
As a kind of preferred embodiment of the present invention, with reference to Figure of description 11, present embodiment discloses a kind of drill stem fixed clamp, sheet
Embodiment is substantially the same manner as Example 1, and difference is：
The inwall of the tooth core 31 is square.The inwall of the tooth core 31 is the face that tooth core 31 is contacted with drilling rod.
Embodiment 14
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 10, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 1, and difference is：
The inwall of the tooth core 31 is prismatic.The inwall of the tooth core 31 is the face that tooth core 31 is contacted with drilling rod.
Embodiment described above only expresses the embodiment of the application, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the application protection domain can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, on the premise of technical scheme design is not departed from, various modifications and improvements can be made, these belong to this
The protection domain of application.
Claims (10)
1. a kind of drill stem fixed clamp, it is characterised in that：Including dead card component（32）, dead card component（32）Inwall on be provided with tooth core
（31）, dead card component（32）With tooth core（31）It is connected together；The dead card component（32）Including dead card component I（1）With dead card group
Part II（28）, dead card component I（1）With dead card component II（28）One end is hinged；Dead card component I（1）One end is filled with locking
Put（2）It is fixedly connected, the other end and dead card component II（28）It is hinged；The dead card component II（28）One end and dead card component I（1）
It is hinged, the other end is movable end；The locking system（2）Including locking system body（29）With can be along locking system body（29）
The sliding part of slip（30）, sliding part（30）With locking system body（29）Between be provided with the dead card component II of placement（28）Activity
The groove at end（18）.
2. drill stem fixed clamp according to claim 1, it is characterised in that：The locking system body（29）On be provided with it is sliding
Dynamic portion（30）The corresponding C-shaped channel of size, sliding part（30）It is arranged in C-shaped channel；The side wall of the C-shaped channel top and bottom
On be provided with chute（19）, sliding part（30）It is provided with corresponding position and chute（19）Corresponding sliding block（25）, it is sliding
Block（25）It is arranged at chute（19）It is interior.
3. drill stem fixed clamp according to claim 2, it is characterised in that：The chute（19）On be provided with limited block I（20）
With limited block II（21）, sliding block（25）On be provided with and limited block I（20）With limited block II（21）Corresponding stopper slot
（26）, limited block I（20）With limited block II（21）Between stopper slot（26）Upper setting limited location beam（27）.
4. drill stem fixed clamp according to claim 1, it is characterised in that：The sliding part（30）On be provided with handle II
（24）；The dead card component II（28）On be provided with handle I（23）.
5. drill stem fixed clamp according to claim 1, it is characterised in that：The dead card component（32）Inwall on be provided with card
Groove, tooth core（31）On be provided with the fixture block corresponding with neck, the fixture block is connected together with neck；It is provided with the neck
Correspondence position is provided with projection on the groove II of indent, fixture block（36）, projection（36）It is connected together with groove II.
6. drill stem fixed clamp according to claim 5, it is characterised in that：The dead card component（32）Bottom be additionally provided with it is vertical
Section is the retainer ring of L-type（33）, the retainer ring（33）One end passes through screw（34）With dead card component（32）Bolt connection, separately
One end and tooth core（31）Bottom be connected together；The tooth core（31）Bottom be provided with and retainer ring（33）Corresponding groove
Ⅲ。
7. drill stem fixed clamp according to claim 5, it is characterised in that：The tooth core（31）Inwall on set with teeth
（35）；The dead card component includes multiple tooth cores（31）, two tooth cores（31）Between be provided with gap.
8. drill stem fixed clamp according to claim 1, it is characterised in that：The sliding part（30）Including mechanical interlock mechanism
（4）, mechanical interlock mechanism（4）Including stud（7）And screw（15）, stud（7）It is arranged at screw（15）It is interior, stud（7）Outer wall
It is provided with and screw（15）The screw thread being engaged, screw（15）It is arranged at sliding part（2）It is interior；The screw（7）With groove（18）Even
It is logical；The mechanical interlock mechanism（4）By fluid motor-driven, hydraulic motor includes drive shaft（5）, drive shaft（5）Drive stud
（7）In screw（15）Interior motion.
9. drill stem fixed clamp according to claim 8, it is characterised in that：The stud（7）Close to drive shaft（5）End set
It is equipped with axis hole（13）And groove（14）, axis hole（13）And groove（14）Along stud（7）It is axially arranged, groove（14）It is arranged at axle
Hole（13）Side；Drive shaft（5）End be fixedly installed driving key（6）, and drive shaft（5）End be arranged at axis hole
（13）It is interior, driving key（6）It is arranged at groove（14）It is interior；The sliding part（30）It is additionally provided with fluid cylinder（16）, fluid cylinder（16）Inside set
It is equipped with piston（10）And spring（11）, spring（11）It is arranged at piston（10）With fluid cylinder（16）Between, fluid cylinder（16）With piston it
Between formed hydraulic pressure oil groove（12）, hydraulic pressure oil groove（12）It is communicated with hydraulic pressure gateway（17）.
10. drill stem fixed clamp according to claim 9, it is characterised in that：The fluid cylinder（16）Inside it is additionally provided with sealing block
（3）, sealing block（3）With piston（10）Between formed hydraulic pressure oil groove（12）；The fluid cylinder（16）It is provided with two, two fluid cylinders（16）
In hydraulic pressure oil groove（12）Pass through through hole（8）It is connected；The hydraulic pressure gateway（17）To be single, sealing block is arranged at（3）On；Institute
State piston（10）And sealing block（3）With fluid cylinder（16）Between be provided with seal（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572800.4A CN107152256B (en) | 2017-07-14 | 2017-07-14 | Drill rod dead clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572800.4A CN107152256B (en) | 2017-07-14 | 2017-07-14 | Drill rod dead clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152256A true CN107152256A (en) | 2017-09-12 |
| CN107152256B CN107152256B (en) | 2023-03-24 |
Family
ID=59797051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710572800.4A Active CN107152256B (en) | 2017-07-14 | 2017-07-14 | Drill rod dead clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107152256B (en) |
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| CN102606094A (en) * | 2012-03-29 | 2012-07-25 | 王新翰 | Drill pipe positioning, assembling and disassembling calipers |
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| CN204098090U (en) * | 2014-09-05 | 2015-01-14 | 厦门市工程检测中心有限公司 | The displacement observation device of pile body is protected in a kind of static loading test |
| CN204591201U (en) * | 2015-03-25 | 2015-08-26 | 成都市卓新实业有限公司 | A kind of drill stem fixed clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB426206A (en) * | 1933-03-08 | 1935-03-27 | Nat Supply Corp | Improvements in and relating to elevators or tube gripping devices as used in well drilling or operation |
| FR2491991A1 (en) * | 1980-10-14 | 1982-04-16 | Gray Charles | Combined well casing spider and elevator - has bowl section with casing gripping slips and pivotable gate members |
| CA2056917A1 (en) * | 1991-12-04 | 1993-06-05 | Steve Chabot | Apparatus for regaining control over oil and gas flowing from "blow out" walls |
| US20020148618A1 (en) * | 1999-09-22 | 2002-10-17 | Kaiser Garry R. | Safety slip ram |
| CN201460795U (en) * | 2009-04-29 | 2010-05-12 | 广汉川油井控装备有限公司 | Drill stem fixed clamp |
| CN201635672U (en) * | 2010-03-29 | 2010-11-17 | 四川省贝特石油技术有限公司 | Special hoop for anti-wear sheath of sleeve |
| CN102563302A (en) * | 2010-12-31 | 2012-07-11 | 海洋王照明科技股份有限公司 | Locking structure capable of rotating lamp pole |
| CN102606094A (en) * | 2012-03-29 | 2012-07-25 | 王新翰 | Drill pipe positioning, assembling and disassembling calipers |
| US20140290445A1 (en) * | 2013-04-01 | 2014-10-02 | Ridge Tool Company | Replaceable gripping inserts for wrenches |
| CN204098090U (en) * | 2014-09-05 | 2015-01-14 | 厦门市工程检测中心有限公司 | The displacement observation device of pile body is protected in a kind of static loading test |
| CN204591201U (en) * | 2015-03-25 | 2015-08-26 | 成都市卓新实业有限公司 | A kind of drill stem fixed clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107152256B (en) | 2023-03-24 |
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