CN107165601A - A kind of drill stem fixed clamp and its control method - Google Patents
A kind of drill stem fixed clamp and its control method Download PDFInfo
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- CN107165601A CN107165601A CN201710572818.4A CN201710572818A CN107165601A CN 107165601 A CN107165601 A CN 107165601A CN 201710572818 A CN201710572818 A CN 201710572818A CN 107165601 A CN107165601 A CN 107165601A
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- card component
- dead card
- hydraulic
- dead
- check valve
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims abstract description 96
- 238000005553 drilling Methods 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims description 120
- 239000010720 hydraulic oil Substances 0.000 claims description 63
- 239000003921 oil Substances 0.000 claims description 62
- 239000000446 fuel Substances 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 description 18
- 238000007789 sealing Methods 0.000 description 13
- 239000007921 spray Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of drill stem fixed clamp device of oilfield drilling well blowout preventing, especially a kind of drill stem fixed clamp and its control method.Including dead card component I and dead card component II, 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 is by the way that dead card component I is fixedly connected with locking system, locking system is arranged to push-pull structure, locking and the unblock of dead card component II are completed by push-and-pull sliding part, dead card component is set to turn into an entirety with locking system, installation and removal are needed only to once lift and can completed, and are mounted and dismounted all very convenient.
Description
Technical field
The present invention relates to a kind of drill stem fixed clamp device of oilfield drilling well blowout preventing, especially a kind of drill stem fixed clamp and its control
Method processed.
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, can seriously jeopardize the life of related personnel
Safety, and bring huge economic losses.Current most drill stem fixed clamp all carries out locking using hydraulic pressure, but traditional liquid
Pressure control system has the disadvantages that：
1st, control system is complicated, and operating system has 4 operating handles, complex operation step；
2nd, closing with pressure is carried out to fluid cylinder using reversal valve, because reversal valve can not be sealed effectively, fluid cylinder has leakage and pressed, and finally makes
Into operation failure；
3rd, system oil return is to hydraulic power station, and hydraulic pressure unloading is incomplete caused by hydraulic station return check valve Opening pressure, causes
Piston spring can not push back piston so that drill stem fixed clamp can not be unlocked.
Authorization Notice No. is CN204591201U, and authorized announcement date discloses one for 2015.08.26 Chinese invention patent
Drill stem fixed clamp, including dead card body are planted, dead card body is put together by two or more pieces of dead card component, 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 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 and its controlling party
Method, it is simple in construction, easy to maintenance, it is simple to operate.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of drill stem fixed clamp, including dead card component I and dead card component II, dead card component I and dead one end of card component II are hinged on one
Rise；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
It is hinged with dead card component I, the other end is movable end；The locking system includes locking system body and can be along locking system body
The sliding part of slip, is provided with the groove for placing the dead movable end of card component II 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 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 sliding part, which is additionally provided with fluid cylinder, fluid cylinder, is provided with piston and spring, spring be arranged at piston and fluid cylinder it
Between, hydraulic pressure oil groove is formed between fluid cylinder and piston, hydraulic pressure oil groove is communicated with hydraulic pressure gateway.
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.
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.
Sealing block is additionally provided with the fluid cylinder, hydraulic pressure oil groove is formed between sealing block and piston.
The hydraulic pressure oil groove that the fluid cylinder is provided with two, two fluid cylinders is connected by through hole；The hydraulic pressure gateway is single
It is individual, it is arranged on sealing block；Seal is provided between the piston and sealing block and fluid cylinder.
Hydraulic pressure gateway on the fluid cylinder is connected with check valve I and check valve II respectively, described one end of check valve I and liquid
Potential source is connected, and the other end is connected with fluid cylinder and check valve II respectively；The one end of check valve II is connected with Fuel Tanking Unit II, the other end point
It is not connected with check valve I and fluid cylinder.
The hydraulic power source is also associated with three-position four-way valve, and three-position four-way valve is filled with hydraulic power source, hydraulic motor and oil storage respectively
I is put to be connected.
The check valve I, check valve II and three-position four-way valve may be contained within rack, and check valve I and check valve II pass through
Control stick II is controlled, and the three-position four-way valve is controlled by control stick I.
The oiler of the check valve I is connected with hydraulic power source, the oiler phase of oil-out respectively with fluid cylinder and check valve II
Even；The oiler of check valve II is connected with the oil-out and fluid cylinder of check valve I respectively, and oil-out is connected with Fuel Tanking Unit II.
The oil inlet of the three-position four-way valve is connected with hydraulic power source, and oil return opening is connected with Fuel Tanking Unit I, actuator port I with
The inlet of hydraulic motor is connected, and actuator port II is connected with the liquid outlet of hydraulic motor.
The control mouth of the check valve I and check valve II is oppositely arranged, and control stick II is arranged at check valve I and check valve II
Between, the bottom of control stick II and the control end of check valve I and check valve II are respectively connected with.
Control flume is provided with the control cabinet panel, the control stick II passes through control flume, and bottom passes through linear bearing
It is connected with switch board.
Pressure gauge is additionally provided with the rack, pressure gauge is connected with the oil inlet of fluid cylinder.
A kind of control system of drill stem fixed clamp, comprises the following steps：
A. locking system is opened, dead card component I and dead card component II are opened around pin joint, after being enclosed on drilling rod, the dead card of closure
Component I and dead card component II, close locking system；
B. hydraulic power source is connected with fluid cylinder, hydraulic oil is filled with into fluid cylinder, hydraulic oil promotes piston to be moved to dead card component II, will
Dead card component I and the dead locking of card component II；
C. the hydraulic oil in hydraulic power source is filled with hydraulic motor, driving hydraulic motor is rotated, and hydraulic motor drives locking system
Locking is carried out to dead card component I and dead card component II, after after the locking that stud is completed to dead card component I and dead card component II, stopped
Hydraulic oil is only filled with into hydraulic motor；
D. the hydraulic oil in fluid cylinder is released into Fuel Tanking Unit II.
When releasing the locking to dead card component I and dead card component II, comprise the following steps：
E. hydraulic power source is connected with fluid cylinder, hydraulic oil is filled with into fluid cylinder, hydraulic oil promotes piston to be moved to dead card component II, will
Dead card component I and the dead locking of card component II；
F. the hydraulic oil in hydraulic power source is filled with hydraulic motor, driving hydraulic motor is rotated backward, releases locking system to dead
After the completion of the locking of card component I and dead card component II, locking to be released, stop being filled with hydraulic oil into hydraulic motor；
G. the hydraulic oil in fluid cylinder is released into Fuel Tanking Unit II.
In the step A, the mode for opening locking system is to slide sliding part to the left, you can realizes and opens locking dress
The purpose put；The mode for closing locking system is to slide sliding part to the right, you can realize the purpose for closing locking system.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the present invention is by the way that dead card component I is fixedly connected with locking system, and locking system is arranged to push-pull structure, by pushing away
Draw sliding part to complete locking and the unblock of dead card component II, dead card component is turned into an entirety with locking system, pacify installation and dismantling
Unload and need only to once lift and can complete, mount and dismount all very convenient.
2nd, 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.
3rd, 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.
4th, 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.
5th, 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.
6th, 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.
7th, 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 of the key in stud axis hole, keeping the position of the drive shaft and driving key situation static relative to locking system
Under, stud is advanced or is retreated.The driving force of drive shaft is passed to by stud by driving key, the position of hydraulic motor can be allowed
Keep constant, at the same do not allow yet hydraulic motor drive shaft directly and Stud connection, prevent the drive shaft of hydraulic motor directly to hold
By the axial force of stud, while locking system locking effect is ensured, it is to avoid stud is damaged to hydraulic motor.
8th, in the use of the present invention, first pulling out sliding part along chute, dead card component II is opened along pin joint, will extremely be blocked
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 liquid
Hydraulic oil is passed through in cylinder, the piston allowed in fluid cylinder compresses dead card component II, then again by fluid motor-driven stud in screw
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 remove dead
During card, hydraulic oil is first passed through into fluid cylinder, the piston allowed in fluid cylinder compresses dead card component II, then passes through fluid motor-driven again
Stud is reversely rotated in screw, is cancelled to dead card component I and the locking of dead card component II, after the completion for the treatment of that stud is reversely rotated,
Hydraulic pressure in fluid cylinder is released.By being passed through hydraulic oil, hydraulic motor is reduced during driving stud in locking and opening
The power provided is provided, the power of hydraulic motor is reduced, the energy is saved.Also make the locking of stud simultaneously and open more to facilitate.
9th, by the setting of check valve I and check valve II, when needing to provide pressure to fluid cylinder, hydraulic oil passes through list
To valve I flow into fluid cylinder, when need to release fluid cylinder pressure when, hydraulic oil is flowed out in Fuel Tanking Unit II by check valve II.Unidirectionally
The opening and closing of valve I and check valve II are controlled by control stick II, simple to operate.Pass through the He of check valve I
Check valve II controls hydraulic oil, and hydraulic oil will not be revealed, it is ensured that the stabilization of liquid in-cylinder pressure.Because Fuel Tanking Unit II does not have
Closed, therefore when liquid in-cylinder pressure is released, the oil-out of check valve II is directly and air contact, it is ensured that thoroughly release
Liquid in-cylinder pressure, the smooth resilience of piston, the effectively unblock of dead card.
10th, hydraulic motor is controlled by three-position four-way valve, it is possible to achieve the forward and reverse of hydraulic motor, and operated non-
It is often simple.
11st, check valve I and check valve II are controlled by control stick II, and three-position four-way valve is controlled by control stick I, makes the system complete
Only need to, by controlling the control of control stick I and control stick II to complete, make operation simpler into whole locking and unblock operation
It is single, allow operating personnel skillfully to grasp operating method in a short period of time.
12nd, it is manometric to set, operating personnel can be allowed clearly to know the size of liquid in-cylinder pressure, facilitate operating personnel to enter
Row hydraulic control.
13rd, control method of the present invention is simple to operate, can be complete only by two control sticks of operation, meanwhile, control stick
Gear by prior setting, operating personnel only need to be operated according to fixed gear order, easy to learn, can be with
The accidents such as maloperation will not occur in operation for guarantee.
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 hydraulic control topological diagram of the present invention；
Fig. 8 is the structural representation of switch board of the present invention；
Fig. 9 is the position relationship schematic diagram of control stick II of the present invention and check valve I and check valve II.
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；101、
Hydraulic power source；102nd, check valve I；103rd, pressure gauge；104th, Fuel Tanking Unit I；105th, hydraulic motor；106th, check valve II；107th, store up
Oily device II；108th, three-position four-way valve；109th, control stick I；110th, control stick II；111st, switch board；112nd, control flume；113rd, it is straight
Bobbin is held.
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 7, present embodiment discloses a kind of drilling rod
Dead card and its control method, the present embodiment include：
A kind of drill stem fixed clamp, including dead card component I 1 and dead card component II 28, dead card component I 1 and dead one end of card component II 28 hinge
It is connected together；Dead one end of card component I 1 is fixedly connected with locking system 2, and the other end is hinged with dead card component II 28；The dead card
The one end of component II 28 is hinged with dead card component I 1, and the other end is movable end；The locking system 2 includes the He of locking system body 29
The sliding part 30 that can be slided along locking system body 29, is provided with the dead card group of placement between sliding part 30 and locking system body 29
The groove 18 of the movable end of part 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.
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 is driven by hydraulic motor 105, and hydraulic motor 105 includes drive shaft 5, driving
Axle 5 drives stud 7 to be moved in screw 15.
The sliding part 30, which is additionally provided with fluid cylinder 16, fluid cylinder 16, is provided with piston 10 and spring 11, and spring 11 is arranged at
Between piston 10 and fluid cylinder 16, hydraulic pressure oil groove 12 is formed between fluid cylinder 16 and piston, hydraulic pressure oil groove 12 is communicated with hydraulic pressure gateway
17。
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.
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.
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 hydraulic pressure oil groove 12 that the fluid cylinder 16 is provided with two, two fluid cylinders 16 is connected by through hole 8；The hydraulic pressure comes in and goes out
Mouth 17 is single, is arranged on sealing block 3；Seal 9 is provided between the piston 10 and sealing block 3 and fluid cylinder 16.
Hydraulic pressure gateway 17 on the fluid cylinder 16 is connected with check valve I 102 and check valve II 106 respectively, described unidirectional
The one end of valve I 102 is connected with hydraulic power source 101, and the other end is connected with fluid cylinder 16 and check valve II 106 respectively；The one end of check valve II 106
It is connected with Fuel Tanking Unit II 107, the other end is connected with check valve I 102 and fluid cylinder 16 respectively.
The hydraulic power source 101 is also associated with three-position four-way valve 108, three-position four-way valve 108 respectively with hydraulic power source 101, hydraulic pressure
Motor 105 is connected with Fuel Tanking Unit I 104.
The check valve I 102, check valve II 106 and three-position four-way valve 108 may be contained within rack 111, check valve I 102
Controlled with check valve II 106 by control stick II 110, the three-position four-way valve 108 is controlled by control stick I 109.
The oiler of the check valve I 102 is connected with hydraulic power source 101, oil-out respectively with fluid cylinder 16 and check valve II 106
Oiler be connected；The oiler of check valve II 106 is connected with the oil-out and fluid cylinder 16 of check valve I 102 respectively, oil-out
It is connected with Fuel Tanking Unit II 107.
The oil inlet of the three-position four-way valve 108 is connected with hydraulic power source 101, and oil return opening is connected with Fuel Tanking Unit I 104, work
The inlet for making hydraulic fluid port I with hydraulic motor 105 is connected, and actuator port II is connected with the liquid outlet of hydraulic motor 105.
The control mouth of the check valve I 102 and check valve II 106 is oppositely arranged, and control stick II 110 is arranged at check valve I
Between 102 and check valve II 106, phase is distinguished in the bottom of control stick II 110 with the control end of check valve I 102 and check valve II 106
Even.
Control flume 112 is provided with the panel of switch board 111, the control stick II 110 passes through control flume 112, bottom
It is connected by linear bearing 113 with switch board 111.
Pressure gauge 103 is additionally provided with the rack 111, pressure gauge 103 is connected with the oil inlet of fluid cylinder 16.
When control stick I 109 is in 0 grade, oil inlet and the oil return opening of three-position four-way valve 108 are closed, actuator port I and work
Make the closing of hydraulic fluid port II.
When control stick I 109 is in 1 grade, oil inlet and the actuator port II of three-position four-way valve 108 are connected, actuator port I
Connected with oil return opening.
When control stick I 109 is in 2 grades, oil inlet and the actuator port I of three-position four-way valve 108 are connected, actuator port II
Connected with oil return opening.
When control stick II 110 is in 3 grades, check valve 102 I and check valve II 106 are in closed mode.
When control stick II 110 is in 4 grades, check valve 102 I is opened, and check valve II 106 is closed.
When control stick II 110 is in 5 grades, check valve 102 I is closed, and check valve II 106 is opened.
A kind of control system of drill stem fixed clamp, comprises the following steps：
A. locking system 2 is opened, dead card component I 1 and dead card component II 28 are opened around pin joint, after being enclosed on drilling rod, closure
Dead card component I 1 and dead card component II 28, close locking system 2；
B. hydraulic power source 101 is connected with fluid cylinder 16, hydraulic oil is filled with into fluid cylinder 16, hydraulic oil promotes piston 10 to dead card component
II 28 motions, by dead card component I 1 and the dead locking of card component II 28；
C. the hydraulic oil in hydraulic power source 101 is filled with hydraulic motor 105, driving hydraulic motor 105 is rotated, hydraulic motor 105
Drive the dead card component I 1 of 2 pairs of locking system and dead card component II 28 to carry out locking, treat that stud 7 is completed to dead card component I 1 and dead card
After the locking of component II 28, stop being filled with hydraulic oil into hydraulic motor 105；
D. the hydraulic oil in fluid cylinder 16 is released into Fuel Tanking Unit II 107.
When releasing the locking to dead card component I 1 and dead card component II 28, comprise the following steps：
E. hydraulic power source 101 is connected with fluid cylinder 16, hydraulic oil is filled with into fluid cylinder 16, hydraulic oil promotes piston 10 to dead card component
II 28 motions, by dead card component I 1 and the dead locking of card component II 28；
F. the hydraulic oil in hydraulic power source 101 is filled with hydraulic motor 105, driving hydraulic motor 105 is rotated backward, and releases locking
After the completion of the locking of the dead card component I 1 of 2 pairs of device and dead card component II 28, locking to be released, stop filling into hydraulic motor 105
Enter hydraulic oil；
G. the hydraulic oil in fluid cylinder 16 is released into Fuel Tanking Unit II 107.
In the step A, the mode for opening locking system 2 is to slide sliding part 30 to the left, you can realizes and opens locking
The purpose of device 2；The mode for closing locking system 2 is to slide sliding part 30 to the right, you can realizes and closes locking system 2
Purpose.
The present invention is by the way that dead card component I 1 is fixedly connected with locking system 2, and locking system 2 is arranged to push-pull structure,
Locking and the unblock of dead card component II 28 are completed by push-and-pull sliding part 30, makes dead card component and locking system 2 whole as one
Body, installation and removal are needed only to once lift and can completed, and are mounted and dismounted 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 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.
Pass through the setting of check valve I 102 and check valve II 106, when needing to provide pressure to fluid cylinder 16, hydraulic oil
By check valve I 102 flow into fluid cylinder 16, when need to release 16 pressure of fluid cylinder when, hydraulic oil flows out to storage by check valve II 106
In oily device II 107.The opening and closing of check valve I 102 and check valve II 106 are controlled by control stick II 110,
It is simple to operate.Hydraulic oil is controlled by check valve I 102 and check valve II 106, hydraulic oil will not be revealed, it is ensured that liquid
The stabilization of pressure in cylinder 16.Because Fuel Tanking Unit II 107 is no closed, therefore in fluid cylinder 16 of releasing when pressure, check valve
II 106 oil-out is directly and air contact, it is ensured that pressure in fluid cylinder 16 of thoroughly releasing, the smooth resilience of piston 10, dead card
Effectively unblock.
Hydraulic motor 105 is controlled by three-position four-way valve 108, it is possible to achieve the forward and reverse of hydraulic motor 105, and
Operation is very simple.Check valve I 102 and check valve II 106 are controlled by control stick II 110, and three-position four-way valve 108 is by control stick I
109 controls, make the system complete whole locking and unblock operation and only need to by controlling the control of control stick I 109 and control stick II
110 can complete, and make operation simpler, allow operating personnel skillfully to grasp operating method in a short period of time.Pressure
The setting of table 103, can allow operating personnel clearly to know the size of pressure in fluid cylinder 16, facilitate operating personnel to carry out hydraulic pressure control
System.
Control method of the present invention is simple to operate, can be complete only by two control sticks of operation, meanwhile, the shelves of control stick
Position is by setting in advance, and operating personnel only need to be operated according to fixed gear order, easy to learn, it is ensured that
The accidents such as maloperation will not occur in operation.
Embodiment 2
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment includes：
A kind of drill stem fixed clamp, including dead card component I 1 and dead card component II 28, dead card component I 1 and dead one end of card component II 28 hinge
It is connected together；Dead one end of card component I 1 is fixedly connected with locking system 2, and the other end is hinged with dead card component II 28；The dead card
The one end of component II 28 is hinged with dead card component I 1, and the other end is movable end；The locking system 2 includes the He of locking system body 29
The sliding part 30 that can be slided along locking system body 29, is provided with the dead card group of placement between sliding part 30 and locking system body 29
The groove 18 of the movable end of part II 28.
Embodiment 3
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, 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 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 3, 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 driven by hydraulic motor 105, and hydraulic motor 105 includes drive shaft 5, drive shaft 5
Stud 7 is driven to be moved in screw 15.
Embodiment 5
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 4, and difference is：
The sliding part 30, which is additionally provided with fluid cylinder 16, fluid cylinder 16, is provided with piston 10 and spring 11, and spring 11 is arranged at piston
Between 10 and fluid cylinder 16, hydraulic pressure oil groove 12 is formed between fluid cylinder 16 and piston, hydraulic pressure oil groove 12 is communicated with hydraulic pressure gateway 17.
Embodiment 6
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 5, 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 7
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 6, 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 8
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 7, 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.
Embodiment 9
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 8, 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.
Embodiment 10
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, 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 hydraulic pressure oil groove 12 that the fluid cylinder 16 is provided with two, two fluid cylinders 16 is connected by through hole 8；The hydraulic pressure gateway 17
To be single, it is arranged on sealing block 3；Seal 9 is provided between the piston 10 and sealing block 3 and fluid cylinder 16.
Embodiment 11
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 5, and difference is：
Hydraulic pressure gateway 17 on the fluid cylinder 16 is connected with check valve I 102 and check valve II 106 respectively, the check valve I
102 one end are connected with hydraulic power source 101, and the other end is connected with fluid cylinder 16 and check valve II 106 respectively；The one end of check valve II 106 with
Fuel Tanking Unit II 107 is connected, and the other end is connected with check valve I 102 and fluid cylinder 16 respectively.
Embodiment 12
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 11, and difference is：
The hydraulic power source 101 is also associated with three-position four-way valve 108, three-position four-way valve 108 respectively with hydraulic power source 101, hydraulic motor
105 are connected with Fuel Tanking Unit I 104.
Embodiment 13
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 12, and difference is：
The check valve I 102, check valve II 106 and three-position four-way valve 108 may be contained within rack 111, check valve I 102 and list
Controlled to valve II 106 by control stick II 110, the three-position four-way valve 108 is controlled by control stick I 109.
Embodiment 14
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 13, and difference is：
The oiler of the check valve I 102 is connected with hydraulic power source 101, and oil-out enters with fluid cylinder 16 and check valve II 106 respectively
Hydraulic fluid port is connected；The oiler of check valve II 106 is connected with the oil-out and fluid cylinder 16 of check valve I 102 respectively, oil-out connection
There is Fuel Tanking Unit II 107.
Embodiment 15
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 13, and difference is：
The oil inlet of the three-position four-way valve 108 is connected with hydraulic power source 101, and oil return opening is connected with Fuel Tanking Unit I 104, working oil
Mouth I is connected with the inlet of hydraulic motor 105, and actuator port II is connected with the liquid outlet of hydraulic motor 105.
Embodiment 16
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 15, and difference is：
The control mouth of the check valve I 102 and check valve II 106 is oppositely arranged, and control stick II 110 is arranged at the He of check valve I 102
Between check valve II 106, the bottom of control stick II 110 and the control end of check valve I 102 and check valve II 106 are respectively connected with.
Embodiment 17
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 16, and difference is：
Control flume 112 is provided with the panel of switch board 111, the control stick II 110 passes through control flume 112, and bottom passes through
Linear bearing 113 is connected with switch board 111.
Embodiment 18
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
Dead card, the present embodiment is substantially the same manner as Example 17, and difference is：
Pressure gauge 103 is additionally provided with the rack 111, pressure gauge 103 is connected with the oil inlet of fluid cylinder 16.
Embodiment 19
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
The control method extremely blocked, the present embodiment includes：
A kind of control system of drill stem fixed clamp, comprises the following steps：
A. locking system 2 is opened, dead card component I 1 and dead card component II 28 are opened around pin joint, after being enclosed on drilling rod, closure
Dead card component I 1 and dead card component II 28, close locking system 2；
B. hydraulic power source 101 is connected with fluid cylinder 16, hydraulic oil is filled with into fluid cylinder 16, hydraulic oil promotes piston 10 to dead card component
II 28 motions, by dead card component I 1 and the dead locking of card component II 28；
C. the hydraulic oil in hydraulic power source 101 is filled with hydraulic motor 105, driving hydraulic motor 105 is rotated, hydraulic motor 105
Drive the dead card component I 1 of 2 pairs of locking system and dead card component II 28 to carry out locking, treat that stud 7 is completed to dead card component I 1 and dead card
After the locking of component II 28, stop being filled with hydraulic oil into hydraulic motor 105；
D. the hydraulic oil in fluid cylinder 16 is released into Fuel Tanking Unit II 107.
Embodiment 20
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
The control method extremely blocked, the present embodiment is substantially the same manner as Example 19, and difference is：
When releasing the locking to dead card component I 1 and dead card component II 28, comprise the following steps：
E. hydraulic power source 101 is connected with fluid cylinder 16, hydraulic oil is filled with into fluid cylinder 16, hydraulic oil promotes piston 10 to dead card component
II 28 motions, by dead card component I 1 and the dead locking of card component II 28；
F. the hydraulic oil in hydraulic power source 101 is filled with hydraulic motor 105, driving hydraulic motor 105 is rotated backward, and releases locking
After the completion of the locking of the dead card component I 1 of 2 pairs of device and dead card component II 28, locking to be released, stop filling into hydraulic motor 105
Enter hydraulic oil；
G. the hydraulic oil in fluid cylinder 16 is released into Fuel Tanking Unit II 107.
Embodiment 21
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
The control method extremely blocked, the present embodiment is substantially the same manner as Example 19, and difference is：
In the step A, the mode for opening locking system 2 is to slide sliding part 30 to the left, you can realizes and opens locking system
2 purpose；The mode for closing locking system 2 is to slide sliding part 30 to the right, you can realize the purpose for closing locking system 2.
Embodiment 22
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
The control method extremely blocked, the present embodiment is substantially the same manner as Example 20, and difference is：
When needing to carry out locking to dead card, first control stick I 109 is controlled to be adjusted to 0 grade, now the oil inlet of three-position four-way valve 108
Closed with oil return opening, actuator port I and actuator port II are closed.Control stick II 110 is adjusted to 4 grades, now 102 I dozens, check valve
Open, check valve II 106 is closed, and the hydraulic oil in hydraulic power source 101 is filled with fluid cylinder 16, treat that pressure gauge 103 is indicated in fluid cylinder 16
Pressure when reaching predetermined value, control stick II 110 is adjusted to 3 grades, now check valve 102 I and check valve II 106 are in closing
Pressure remained steady in state, fluid cylinder 16.Control stick I 109 is adjusted to 1 grade, now the oil inlet and work of three-position four-way valve 108
Make the connection of hydraulic fluid port II, actuator port I is connected with oil return opening, and hydraulic oil flows out from hydraulic power source 101, passes sequentially through three-position four-way valve
108 oil inlet, actuator port II, the liquid outlet of hydraulic motor 105, the inlet of hydraulic motor 105, three-position four-way valve 108
Actuator port I and three-position four-way valve 108 oil return opening, flow into Fuel Tanking Unit I 104, so as to allow hydraulic motor 105 to rotate,
Stud 7 is driven to be rotated in screw 15, by dead card component I 1 and the dead locking of card component II 28.
Treat after the completion of locking, control stick I 109 is adjusted to 0 grade, now the oil inlet of three-position four-way valve 108 is closed with oil return opening
Close, actuator port I and actuator port II are closed.Control stick II 110 is adjusted to 5 grades, now check valve 102 I is closed, check valve II
106 are opened, and the hydraulic oil in fluid cylinder 16 is flowed into Fuel Tanking Unit II 107 by check valve II 106, and the pressure in fluid cylinder 16 is let out
Put.After the completion of pressure releasing, control stick II 110 is adjusted to 3 and worked as, now check valve 102 I and check valve II 106 are in closing
State.
When control stick I 109 is in 0 grade, oil inlet and the oil return opening of three-position four-way valve 108 are closed, actuator port I and work
Make the closing of hydraulic fluid port II.
When control stick I 109 is in 1 grade, oil inlet and the actuator port II of three-position four-way valve 108 are connected, actuator port I
Connected with oil return opening.
When control stick I 109 is in 2 grades, oil inlet and the actuator port I of three-position four-way valve 108 are connected, actuator port II
Connected with oil return opening.
When control stick II 110 is in 3 grades, check valve 102 I and check valve II 106 are in closed mode.
When control stick II 110 is in 4 grades, check valve 102 I is opened, and check valve II 106 is closed.
When control stick II 110 is in 5 grades, check valve 102 I is closed, and check valve II 106 is opened.
Embodiment 22
As a kind of preferred embodiment of the present invention, with reference to Figure of description 1 to accompanying drawing 7, present embodiment discloses a kind of drilling rod
The control method extremely blocked, the present embodiment is substantially the same manner as Example 20, and difference is：
When needing to carry out releasing locking to dead card, first control stick I 109 is controlled to be adjusted to 0 grade, now three-position four-way valve 108 enters
Hydraulic fluid port is closed with oil return opening, and actuator port I and actuator port II are closed.Control stick II 110 is adjusted to 4 grades, now check valve 102
I is opened, and check valve II 106 is closed, and the hydraulic oil in hydraulic power source 101 is filled with fluid cylinder 16, treats that pressure gauge 103 indicates fluid cylinder 16
When interior pressure reaches predetermined value, control stick II 110 is adjusted to 3 grades, now check valve 102 I and check valve II 106 are in closing
Pressure remained steady in closed state, fluid cylinder 16.Control stick I 109 is adjusted to 2 grades, now the oil inlet of three-position four-way valve 108 with
Actuator port I is connected, and actuator port II is connected with oil return opening, and hydraulic oil flows out from hydraulic power source 101, passes sequentially through three-position four-way valve
108 oil inlet, the actuator port I of three-position four-way valve 108, the inlet of hydraulic motor 105, the liquid outlet of hydraulic motor 105,
The actuator port II of three-position four-way valve 108 and the oil return opening of three-position four-way valve 108, are flowed into Fuel Tanking Unit I 104, so as to allow liquid
Pressure motor 105 is inverted, and driving stud 7 is reversely rotated in screw 15, releases the locking of dead card component I 1 and dead card component II 28.
Release after the completion of locking, control stick I 109 is adjusted to 0 grade, now the oil inlet and oil return opening of three-position four-way valve 108
Close, actuator port I and actuator port II are closed.Control stick II 110 is adjusted to 5 grades, now check valve 102 I is closed, check valve
II 106 are opened, and the hydraulic oil in fluid cylinder 16 is flowed into Fuel Tanking Unit II 107 by check valve II 106, by the pressure in fluid cylinder 16
Release.After the completion of pressure releasing, control stick II 110 is adjusted to 3 and worked as, now check valve 102 I and check valve II 106 are in closing
Closed state.
When control stick I 109 is in 0 grade, oil inlet and the oil return opening of three-position four-way valve 108 are closed, actuator port I and work
Make the closing of hydraulic fluid port II.
When control stick I 109 is in 1 grade, oil inlet and the actuator port II of three-position four-way valve 108 are connected, actuator port I
Connected with oil return opening.
When control stick I 109 is in 2 grades, oil inlet and the actuator port I of three-position four-way valve 108 are connected, actuator port II
Connected with oil return opening.
When control stick II 110 is in 3 grades, check valve 102 I and check valve II 106 are in closed mode.
When control stick II 110 is in 4 grades, check valve 102 I is opened, and check valve II 106 is closed.
When control stick II 110 is in 5 grades, check valve 102 I is closed, and check valve II 106 is opened.
The gear title of control stick I 109 described in above example, is not opened or closed with beating for three-position four-way valve 108
The state closed is completely constant, and three-position four-way valve 108 can be opened or closed state others by those skilled in that art
Gear title is named, and falls within protection scope of the present invention.
The gear title of control stick II 110 described in above example, not with check valve I 102 and check valve II 106
The state opened or closed it is completely constant, those skilled in that art can beating check valve I 102 and check valve II 106
Closed state is opened or closed with other gear titles to be named, protection scope of the present invention is fallen within.
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 I（1）With dead card component II（28）, dead card component I（1）With
Dead card component II（28）One end is hinged；Dead card component I（1）One end and locking system（2）Be fixedly connected, the other end with it is 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；It is described
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）The groove of movable 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 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 hydraulic motor（105）Driving, hydraulic motor（105）Including drive shaft（5）, drive shaft
（5）Drive stud（7）In screw（15）Interior motion.
4. drill stem fixed clamp according to claim 3, it is characterised in that：The sliding part（30）It is additionally provided with fluid cylinder（16）,
Fluid cylinder（16）Inside it is provided with piston（10）And spring（11）, spring（11）It is arranged at piston（10）With fluid cylinder（16）Between, fluid cylinder
（16）Hydraulic pressure oil groove is formed between piston（12）, hydraulic pressure oil groove（12）It is communicated with hydraulic pressure gateway（17）.
5. drill stem fixed clamp according to claim 4, it is characterised in that：The fluid cylinder（16）On hydraulic pressure gateway（17）Point
Not with check valve I（102）With check valve II（106）It is connected, the check valve I（102）One end and hydraulic power source（101）It is connected, separately
One end respectively with fluid cylinder（16）With check valve II（106）It is connected；Check valve II（106）One end and Fuel Tanking Unit II（107）It is connected,
The other end respectively with check valve I（102）And fluid cylinder（16）It is connected.
6. drill stem fixed clamp according to claim 5, it is characterised in that：The hydraulic power source（101）It is also associated with 3-position 4-way
Valve（108）, three-position four-way valve（108）Respectively with hydraulic power source（101）, hydraulic motor（105）With Fuel Tanking Unit I（104）It is connected.
7. drill stem fixed clamp according to claim 6, it is characterised in that：The check valve I（102）, check valve II（106）With
Three-position four-way valve（108）It may be contained within rack（111）It is interior, check valve I（102）With check valve II（106）Pass through control stick II
（110）Control, the three-position four-way valve（108）Pass through control stick I（109）Control.
8. the control system of the drill stem fixed clamp described in a kind of claim 7, it is characterised in that comprise the following steps：
A. locking system is opened（2）, by dead card component I（1）With dead card component II（28）Open, be enclosed on drilling rod around pin joint
Afterwards, dead card component I is closed（1）With dead card component II（28）, close locking system（2）；
B. by hydraulic power source（101）With fluid cylinder（16）Connection, to fluid cylinder（16）Hydraulic oil is inside filled with, hydraulic oil promotes piston（10）To
Dead card component II（28）Motion, by dead card component I（1）With dead card component II（28）Locking；
C. by hydraulic power source（101）In hydraulic oil be filled with hydraulic motor（105）In, drive hydraulic motor（105）Rotate, hydraulic pressure horse
Reach（105）Drive locking system（2）To dead card component I（1）With dead card component II（28）Locking is carried out, stud is treated（7）Completion pair
Dead card component I（1）With dead card component II（28）Locking after, stop to hydraulic motor（105）In be filled with hydraulic oil；
D. by fluid cylinder（16）In hydraulic oil release to Fuel Tanking Unit II（107）In.
9. the control method of drill stem fixed clamp according to claim 8, it is characterised in that release to dead card component I（1）With it is dead
Card component II（28）Locking when, comprise the following steps：
E. by hydraulic power source（101）With fluid cylinder（16）Connection, to fluid cylinder（16）Hydraulic oil is inside filled with, hydraulic oil promotes piston（10）To
Dead card component II（28）Motion, by dead card component I（1）With dead card component II（28）Locking；
F. by hydraulic power source（101）In hydraulic oil be filled with hydraulic motor（105）In, drive hydraulic motor（105）Rotate backward, solve
Except locking system（2）To dead card component I（1）With dead card component II（28）Locking, after the completion of locking to be released, stop to hydraulic pressure
Motor（105）In be filled with hydraulic oil；
G. by fluid cylinder（16）In hydraulic oil release to Fuel Tanking Unit II（107）In.
10. the control method of drill stem fixed clamp according to claim 8, it is characterised in that：In the step A, locking is opened
Device（2）Mode be, by sliding part（30）Slide to the left, you can realize and open locking system（2）Purpose；Close locking dress
Put（2）Mode be, by sliding part（30）Slide to the right, you can realize and close locking system（2）Purpose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572818.4A CN107165601B (en) | 2017-07-14 | 2017-07-14 | Drill rod dead clamp and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572818.4A CN107165601B (en) | 2017-07-14 | 2017-07-14 | Drill rod dead clamp and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165601A true CN107165601A (en) | 2017-09-15 |
| CN107165601B CN107165601B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710572818.4A Active CN107165601B (en) | 2017-07-14 | 2017-07-14 | Drill rod dead clamp and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482567A (en) * | 2021-07-16 | 2021-10-08 | 陕西瑞鹰国际油气工程技术服务有限公司 | Emergency rescue system and emergency rescue method for blowout accident |
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| CA2056917A1 (en) * | 1991-12-04 | 1993-06-05 | Steve Chabot | Apparatus for regaining control over oil and gas flowing from "blow out" walls |
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| 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 |
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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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113482567A (en) * | 2021-07-16 | 2021-10-08 | 陕西瑞鹰国际油气工程技术服务有限公司 | Emergency rescue system and emergency rescue method for blowout accident |
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| Publication number | Publication date |
|---|---|
| CN107165601B (en) | 2023-03-24 |
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