CN207363980U - A kind of drill stem fixed clamp hydraulic control system - Google Patents

A kind of drill stem fixed clamp hydraulic control system Download PDF

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Publication number
CN207363980U
CN207363980U CN201720852159.5U CN201720852159U CN207363980U CN 207363980 U CN207363980 U CN 207363980U CN 201720852159 U CN201720852159 U CN 201720852159U CN 207363980 U CN207363980 U CN 207363980U
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China
Prior art keywords
check valve
hydraulic
fluid cylinder
fixed clamp
drill stem
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CN201720852159.5U
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Chinese (zh)
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陈伦俊
池振华
卢伟
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CHENGDU ZHUOXIN INDUSTRY Co Ltd
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CHENGDU ZHUOXIN INDUSTRY Co Ltd
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Abstract

It the utility model is related to a kind of drill stem fixed clamp device of oilfield drilling well blowout preventing, especially a kind of drill stem fixed clamp hydraulic control system.Including the hydraulic power source, check valve I and check valve II being sequentially connected in series, described I one end of check valve is connected with hydraulic power source, and the other end is connected with fluid cylinder and check valve II respectively;II one end of check valve is connected with Fuel Tanking Unit II, and the other end is connected with check valve I and fluid cylinder respectively.The utility model is by the setting of check valve I and check valve II, and when needing to provide pressure to fluid cylinder, hydraulic oil flows into fluid cylinder by check valve I, when need to release fluid cylinder pressure when, hydraulic oil is flowed out in Fuel Tanking Unit II by check valve II.The opening and closing of check valve I and check valve II are controlled by control stick II, simple to operate.Hydraulic oil is controlled by check valve I and check valve II, hydraulic oil will not be revealed, it is ensured that the stabilization of liquid in-cylinder pressure.

Description

A kind of drill stem fixed clamp hydraulic control system
Technical field
It the utility model is related to a kind of drill stem fixed clamp device of oilfield drilling well blowout preventing, especially a kind of drill stem fixed clamp liquid Pressure control system.
Background technology
In the exploitation and Exploration Domain of oil gas field, when wellbore construction personnel obtain 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 generally 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 It may proceed to raise, drilling tool is altered upwards just as the liquid cylinder piston bar of a pressure-bearing.At this time if taking no action to be easy for causing to put Spray apparatus damages, 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 for operation step;
2nd, closing with pressure is carried out to fluid cylinder using reversal valve, since reversal valve can not be sealed effectively, fluid cylinder has leakage and presses, most Operation failure is caused eventually;
3rd, system oil return is to hydraulic power station, and hydraulic pressure unloading is incomplete caused by hydraulic station return check valve Opening pressure, Piston can not be pushed back so that drill stem fixed clamp can not unlock by causing piston spring.
Authorization Notice No. is CN204591201U, and authorized announcement date is that the Chinese utility model patent of 2015.08.26 discloses A kind of drill stem fixed clamp, including dead card body, dead card body are put together by two or more pieces of dead card component, its feature exists In:One end of dead card component is hinged, and the other end is connected with hydraulic Lock device.The utility model patent is exactly typical Drill stem fixed clamp in a manner of using hydraulic pressure as locking, but the hydraulic control system not publicly to solve the above problems.
Utility model content
The purpose of this utility model is that for problems of the prior art, a kind of drill stem fixed clamp hydraulic pressure control is proposed System processed, it is simple in structure, easy to maintain, it is easy to operate.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of drill stem fixed clamp hydraulic control system, including hydraulic power source, check valve I and the check valve II being sequentially connected in series, it is described I one end of check valve is connected with hydraulic power source, and the other end is connected with fluid cylinder and check valve II respectively;II one end of check valve and Fuel Tanking Unit II is connected, and the other end is connected with check valve I and fluid cylinder respectively.
The oiler of the check valve I is connected with hydraulic power source, the oil outlet oiler phase with fluid cylinder and check valve II respectively Even;II oiler of check valve is connected with the oil outlet and fluid cylinder of check valve I respectively, and oil outlet is connected with Fuel Tanking Unit II.
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 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 check valve I, check valve II and three-position four-way valve may be contained within switch board, and check valve I and check valve II are logical Cross control stick II to control, the three-position four-way valve is controlled by control stick I.
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 terminal 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 switch board, pressure gauge is connected with the hydraulic pressure entrance of fluid cylinder.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
1st, the utility model passes through the setting of check valve I and check valve II, when needing to provide pressure to fluid cylinder, liquid Pressure oil by check valve I flow into fluid cylinder, when need to release fluid cylinder pressure when, hydraulic oil flows out to Fuel Tanking Unit by check valve II In II.The opening and closing of check valve I and check valve II are controlled by control stick II, simple to operate.Pass through Check valve I and check valve II control hydraulic oil, and hydraulic oil will not be revealed, it is ensured that the stabilization of liquid in-cylinder pressure.Due to oil storage Device II is not closed, therefore when liquid in-cylinder pressure is released, the oil outlet of check valve II directly and air contact, Ke Yibao The thorough liquid in-cylinder pressure of releasing of card, piston are smoothly sprung back, the effectively unlock of dead card.
2nd, hydraulic motor is controlled by three-position four-way valve, it is possible to achieve the forward and reverse of hydraulic motor, and operate non- It is often simple.
3rd, 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, make the system complete Only need, by controlling the control of control stick I and control stick II to complete, to make operation simpler into whole locking and unlock operation It is single, allow operating personnel skillfully to grasp operating method in a short period of time.
4th, the setting of pressure gauge, can allow operating personnel clearly to know the size of liquid in-cylinder pressure, facilitate operating personnel into Row hydraulic control.
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 the utility model structural topology figure;
Fig. 2 is the dead card structure stereogram that the utility model is controlled;
Fig. 3 is structural perspective when the dead card that the utility model is controlled is opened;
Fig. 4 is structural perspective when the dead card that the utility model is controlled is opened(Sliding part does not mark);
Fig. 5 is the dead card sliding part schematic enlarged-scale view that the utility model is controlled;
Fig. 6 is the dead card sliding part structure cutaway view Amplified image controlled;
Fig. 7 is the dead card stud structure top perspective view controlled
Fig. 8 is the structure diagram of the utility model switch board;
Fig. 9 is the position relationship schematic diagram of the utility model control stick II 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 entrance;18th, groove;19th, sliding slot;20th, limited block I;21st, limited block II;23rd, handle I;24th, Hand II;25th, sliding block;26th, limiting 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 Spool is held.
Embodiment
Below in conjunction with the accompanying drawings, the utility model 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 attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings The component of example can be arranged and designed with a variety of configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this area is common Technical staff's all other embodiments obtained without creative efforts, belong to the model that the present invention protects Enclose.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present 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 invention product using when the orientation usually put 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 the device or element of instruction or hint 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 instruction or hint relative importance.
In the description of the present invention, 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 mechanically connect or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, can To be the connection inside two elements.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 utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment include:
A kind of drill stem fixed clamp hydraulic control system, including hydraulic power source 101, check valve I 102 and the check valve II being sequentially connected in series 106, described I 102 one end of check valve is connected with hydraulic power source 101, and the other end is connected with fluid cylinder 16 and check valve II 106 respectively;It is single It is connected to II 106 one end of valve with Fuel Tanking Unit II 107, the other end is connected with check valve I 102 and fluid cylinder 16 respectively.
The oiler of the check valve I 102 is connected with hydraulic power source 101, oil outlet respectively with fluid cylinder 16 and check valve II 106 Oiler be connected;II 106 oiler of check valve is connected with the oil outlet and fluid cylinder 16 of check valve I 102 respectively, oil outlet It is connected with Fuel Tanking Unit II 107.
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 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 check valve I 102, check valve II 106 and three-position four-way valve 108 may be contained within switch board 111, check valve I 102 and check valve II 106 by control stick II 110 control, the three-position four-way valve 108 pass through control stick I 109 control.
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, bottom and the control terminal of check valve I 102 and check valve II 106 of control stick II 110 distinguish phase Even.
Control flume 112 is provided with 111 panel of switch board, 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 switch board 111, pressure gauge 103 is connected with the hydraulic pressure entrance 17 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 hydraulic fluid port II to close.
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 drill stem fixed clamp that the utility model is controlled includes dead card component I 1 and dead card component II 28, dead card component I 1 and dead II 28 one end of card component is hinged;Dead I 1 one end of card component is fixedly connected with locking system 2, the other end and dead card component II 28 is hinged;Described dead II 28 one end of card component is hinged with dead card component I 1, and the other end is movable end;The locking system 2 includes Locking system body 29 and the sliding part 30 that can be slided along locking system body 29, between sliding part 30 and locking system body 29 It is provided with the groove 18 for placing dead II 28 movable end of card component.
It is provided with the locking system body 29 and is arranged at C with the corresponding C-shaped channel of 30 size of sliding part, sliding part 30 In type groove;Sliding slot 19 is both provided with the side wall of the C-shaped channel top and bottom, sliding part is provided with 30 corresponding position Sliding block 25 corresponding with sliding slot 19, sliding block 25 is arranged in sliding slot 19.
Limited block I 20 and limited block II 21 are provided with the sliding slot 19, is provided with sliding block 25 and limited block I 20 and limit The corresponding limiting slot 26 of position block II 21, is provided with spacing beam on the limiting 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 sliding part 30 includes mechanical interlock mechanism 4, and mechanical interlock mechanism 4 includes stud 7 and screw hole 15, and stud 7 is set It is placed in screw hole 15,7 outer wall of stud is provided with to be arranged in sliding part 2 with 15 matched screw thread of screw hole, screw hole 15;The spiral shell Hole 7 is connected with groove 18.
For the mechanical interlock mechanism 4 by fluid motor-driven, hydraulic motor includes drive shaft 5, and drive shaft 5 drives stud 7 The movement in screw hole 15.
The stud 7 has axis hole 13 and groove 14 close to the end set of drive shaft 5, and axis hole 13 and groove 14 are along stud 7 axial settings, groove 14 are arranged at the side of axis hole 13;The end of drive shaft 5 is fixedly installed driving key 6, and drive shaft 5 In in axis hole 13, driving key 6 is arranged in groove 14 end set.
The sliding part 30 is additionally provided with fluid cylinder 16, and piston 10 and spring 11 are provided with fluid cylinder 16, 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 entrance 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 fluid cylinder 16 is provided with two, and the hydraulic pressure oil groove 12 in 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 both provided between the piston 10 and sealing block 3 and fluid cylinder 16.
The utility model is needing to provide pressure to fluid cylinder 16 by the setting of check valve I 102 and check valve II 106 When, hydraulic oil by check valve I 102 flow into fluid cylinder 16, when need to release 16 pressure of fluid cylinder when, hydraulic oil passes through check valve II 106 flow out in Fuel Tanking Unit II 107.The opening and closing of check valve I 102 and check valve II 106 pass through control stick II 110 It is simple to operate to be controlled.Hydraulic oil is controlled by check valve I 102 and check valve II 106, hydraulic oil will not be let out Dew, it is ensured that the stabilization of pressure in fluid cylinder 16.Since Fuel Tanking Unit II 107 is no closed, therefore the pressure in fluid cylinder 16 of releasing When, the oil outlet of check valve II 106 is directly and air contact, it is ensured that pressure in fluid cylinder 16 of thoroughly releasing, piston 10 are suitable Profit rebound, the effectively unlock of dead card.
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 control, and the system is completed whole locking and unlock operation needs 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.
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 unlock of dead card component II 28, dead card component and locking system 2 is become an entirety, install Needing only to once lift with dismounting to complete, and installation and removal are all very convenient.
The setting of limited block I 20, limited block II 21 and limiting slot 26, further limits sliding block 19 along linear motion, together When, the setting of the spacing beam 27 between limited block I 20 and limited block II 21, can prevent sliding part 30 slide distance it is excessive and Sliding slot 19 is skidded off, increases the stability and security of the utility model.When opening locking system 2, spacing beam 27 moves to limit After at the block I 20 of position, the stop of block I 20 is limited, so that it may prevent sliding part from sliding 30 and going out sliding slot 19;It is spacing when closing locking system 2 After beam 27 is moved at limited block II 21, the stop of block II 21 is limited, so that it may prevent sliding part 30 from skidding off sliding slot 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, add security 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 Need not be that locking system 2 provides the operation that power can maintain extremely to block again during work.
Since situ of drilling well is there are 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 retarder It can obtain high torque so that equipment is simple.Meanwhile hydraulic motor is also cooled down 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 rotates, and stud 7 can advance or retreat in screw hole 15 during rotation, and stud 7 is in the process advanced or retreated In, driving key 6 slides in the groove 14 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 Column 7, can allow the position of hydraulic motor to remain unchanged, while also not allow the drive shaft 5 of hydraulic motor to be directly connected with stud 7, 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, avoid Stud 7 is damaged to hydraulic motor.
When using drill stem fixed clamp, first sliding part 30 is pulled out along sliding slot 19, dead card component II 28 is opened along hinge joint, Dead card component I 1 and dead card component II 28 are sleeved on drilling rod, close dead card component I 1 and dead card component II 28, by sliding part 30 It is pushed into along sliding slot 19.Be passed through hydraulic oil into fluid cylinder 16, the piston 10 allowed in fluid cylinder 16 compresses dead card component II 28, then again by Fluid motor-driven stud 7 rotation, the dead card component I 1 of locking and dead card component II 28 in screw hole 15, after stud 7 completes locking, Hydraulic pressure in fluid cylinder 16 is released.When needing to remove dead card, first into fluid cylinder 16 hydraulic oil is passed through, allows piston in fluid cylinder 16 Dead card component II 28 is compressed, is then reversely rotated, cancelled to dead card component in screw hole 15 by fluid motor-driven stud 7 again I 1 and the locking of dead card component II 28, after the completion for the treatment of that stud 7 reversely rotates, the hydraulic pressure in fluid cylinder 16 is released.By being passed through liquid Pressure oil, reduces the power that hydraulic motor needs to provide in driving stud 7 during locking and opening, reduces hydraulic motor Power, saves the energy.Also make the locking of stud 7 at the same time and open more convenient.
Embodiment 2
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment include:
A kind of drill stem fixed clamp hydraulic control system, including hydraulic power source 101, check valve I 102 and the check valve II being sequentially connected in series 106, described I 102 one end of check valve is connected with hydraulic power source 101, and the other end is connected with fluid cylinder 16 and check valve II 106 respectively;It is single It is connected to II 106 one end of valve with Fuel Tanking Unit II 107, the other end is connected with check valve I 102 and fluid cylinder 16 respectively.
Embodiment 3
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 2, difference lies in:
The oiler of the check valve I 102 is connected with hydraulic power source 101, oil outlet respectively with fluid cylinder 16 and check valve II 106 Oiler be connected;II 106 oiler of check valve is connected with the oil outlet and fluid cylinder 16 of check valve I 102 respectively, oil outlet It is connected with Fuel Tanking Unit II 107.
Embodiment 4
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 2, difference lies in:
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.
Embodiment 5
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 4, difference lies in:
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.
Embodiment 6
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 2, difference lies in:
The check valve I 102, check valve II 106 and three-position four-way valve 108 may be contained within switch board 111, check valve I 102 and check valve II 106 by control stick II 110 control, the three-position four-way valve 108 pass through control stick I 109 control.
Embodiment 7
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 6, difference lies in:
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, bottom and the control terminal of check valve I 102 and check valve II 106 of control stick II 110 distinguish phase Even.
Embodiment 8
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 7, difference lies in:
Control flume 112 is provided with 111 panel of switch board, the control stick II 110 passes through control flume 112, bottom It is connected by linear bearing 113 with switch board 111.
Embodiment 9
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 6, difference lies in:
Pressure gauge 103 is additionally provided with the switch board 111, pressure gauge 103 is connected with the hydraulic pressure entrance 17 of fluid cylinder 16.
Embodiment 10
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 1, difference lies in:
When needing to carry out locking to dead card, first control control stick I 109 to be adjusted to 0 grade, at this time three-position four-way valve 108 into 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, at this time check valve 102 I opens, 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, check valve 102 I and check valve II 106 are in closing at this time Closed state, the pressure remained steady in fluid cylinder 16.Control stick I 109 is adjusted to 1 grade, at this time the oil inlet of three-position four-way valve 108 with Actuator port II is connected, and actuator port I is connected with oil return opening, and hydraulic oil is flowed 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, The rotation in screw hole 15 of stud 7 is driven, by dead card component I 1 and dead II 28 locking of card component.
After the completion for the treatment of locking, control stick I 109 is adjusted to 0 grade, the oil inlet of three-position four-way valve 108 is closed with oil return opening at this time Close, actuator port I and actuator port II are closed.Control stick II 110 is adjusted to 5 grades, check valve 102 I is closed at this time, check valve II 106 open, 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 is worked as, check valve 102 I and check valve II 106 are in closing at this time State.
Embodiment 11
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 7, present embodiment discloses A kind of drill stem fixed clamp hydraulic control system, the present embodiment is substantially the same manner as Example 1, difference lies in:
When needing to carry out releasing locking to dead card, first control stick I 109 is controlled to be adjusted to 0 grade, at this time three-position four-way valve 108 Oil inlet and oil return opening close, actuator port I and actuator port II are closed.Control stick II 110 is adjusted to 4 grades, at this time unidirectionally 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 When pressure in fluid cylinder 16 reaches predetermined value, control stick II 110 is adjusted to 3 grades, check valve 102 I and check valve II 106 are equal at this time It is closed, the pressure remained steady in fluid cylinder 16.Control stick I 109 is adjusted to 2 grades, at this time three-position four-way valve 108 into Hydraulic fluid port is connected with actuator port I, and actuator port II is connected with oil return opening, and hydraulic oil is flowed out from hydraulic power source 101, passes sequentially through three The oil inlet of four-way valve 108, the actuator port I of three-position four-way valve 108, the inlet of hydraulic motor 105, hydraulic motor 105 The oil return opening of liquid outlet, the actuator port II of three-position four-way valve 108 and three-position four-way valve 108, flows into Fuel Tanking Unit I 104, from And allowing hydraulic motor 105 to invert, driving stud 7 reversely rotates in screw hole 15, releases dead card component I 1 and dead card component II 28 Locking.
After the completion of releasing locking, control stick I 109 is adjusted to 0 grade, at this time 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, check valve 102 I is closed at this time, check valve II 106 open, 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 is worked as, check valve 102 I and check valve II 106 are in closing at this time Closed state.
The gear title of control stick I 109 described in above example, not plays on or off with 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 the scope of protection of the utility model.
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 On or off closed state is named with other gear titles, falls within the scope of protection of the utility model.
Embodiment described above only expresses the embodiment of the application, its description is more specific and detailed, but simultaneously Therefore the limitation to the application protection domain cannot be interpreted as.It should be pointed out that for those 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 (8)

  1. A kind of 1. drill stem fixed clamp hydraulic control system, it is characterised in that:Including the hydraulic power source being sequentially connected in series(101), check valve I (102)With check valve II(106), the check valve I(102)One end and hydraulic power source(101)Be connected, the other 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)Be connected, the other end respectively with list To valve I(102)And fluid cylinder(16)It is connected.
  2. 2. drill stem fixed clamp hydraulic control system according to claim 1, it is characterised in that:The check valve I(102)Enter Hydraulic fluid port and hydraulic power source(101)Be connected, oil outlet respectively with fluid cylinder(16)With check valve II(106)Oiler be connected;The list To valve II(106)Oiler respectively with check valve I(102)Oil outlet and fluid cylinder(16)It is connected, oil outlet is connected with oil storage dress Put II(107).
  3. 3. drill stem fixed clamp hydraulic control system according to claim 1, it is characterised in that:The hydraulic power source(101)Also connect It is connected to three-position four-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.
  4. 4. drill stem fixed clamp hydraulic control system according to claim 3, it is characterised in that:The three-position four-way valve(108) Oil inlet and hydraulic power source(101)It is connected, oil return opening and Fuel Tanking Unit I(104)It is connected, actuator port I and hydraulic motor(105) Inlet be connected, actuator port II and hydraulic motor(105)Liquid outlet be connected.
  5. 5. drill stem fixed clamp hydraulic control system according to claim 3, it is characterised in that:The check valve I(102), it is single To valve II(106)And three-position four-way valve(108)It may be contained within switch board(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.
  6. 6. drill stem fixed clamp hydraulic control system according to claim 5, it is characterised in that:The check valve I(102)And list To valve II(106)Control mouth be oppositely arranged, control stick II(110)It is arranged at check valve I(102)With check valve II(106)It Between, control stick II(110)Bottom and check valve I(102)With check valve II(106)Control terminal be respectively connected with.
  7. 7. drill stem fixed clamp hydraulic control system according to claim 6, it is characterised in that:The switch board(111)Panel On be provided with control flume(112), the control stick II(110)Through control flume(112), bottom passes through linear bearing(113)With Switch board(111)It is connected.
  8. 8. drill stem fixed clamp hydraulic control system according to claim 5, it is characterised in that:The switch board(111)It is upper to go back It is provided with pressure gauge(103), pressure gauge(103)With fluid cylinder(16)Oil inlet be connected.
CN201720852159.5U 2017-07-14 2017-07-14 A kind of drill stem fixed clamp hydraulic control system Active CN207363980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720852159.5U CN207363980U (en) 2017-07-14 2017-07-14 A kind of drill stem fixed clamp hydraulic control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720852159.5U CN207363980U (en) 2017-07-14 2017-07-14 A kind of drill stem fixed clamp hydraulic control system

Publications (1)

Publication Number Publication Date
CN207363980U true CN207363980U (en) 2018-05-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720852159.5U Active CN207363980U (en) 2017-07-14 2017-07-14 A kind of drill stem fixed clamp hydraulic control system

Country Status (1)

Country Link
CN (1) CN207363980U (en)

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