CN208057550U - A kind of Operating Pressure machine - Google Patents
A kind of Operating Pressure machine Download PDFInfo
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- CN208057550U CN208057550U CN201820491047.6U CN201820491047U CN208057550U CN 208057550 U CN208057550 U CN 208057550U CN 201820491047 U CN201820491047 U CN 201820491047U CN 208057550 U CN208057550 U CN 208057550U
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- 239000000446 fuel Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 9
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- 239000012530 fluid Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 129
- 238000010586 diagram Methods 0.000 description 7
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- 230000003068 static effect Effects 0.000 description 2
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- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model belongs to Operating Pressure equipment technical field, disclose a kind of Operating Pressure machine, including workbench, wellhead assembly, upper junction plate, lower loading plate, stationary slip group, lifting hydraulic cylinder, upper loading plate, turntable, mobile slips group and rotary joint, between mobile slips group and turntable, rotary joint includes inner cylinder and the outer barrel that is set on inner cylinder for rotary joint setting；Inner cylinder is fixedly connected with the mobile slips group and turntable respectively, and the peripheral surface of inner cylinder is equipped with the multiple annular grooves being connected to respectively with the first hydraulic cylinder and second hydraulic cylinder；Outer barrel is equipped with corresponds the multiple fuel feed holes being connected to multiple annular grooves.The utility model is by being arranged rotary joint, therefore without dismantling the hydraulic line in mobile slips group during Operating Pressure machine rotary operation, to which achieve the purpose that being capable of continuous rotation operation.
Description
Technical field
The utility model belongs to Operating Pressure equipment technical field, and in particular to a kind of Operating Pressure machine.
Background technology
Currently, Operating Pressure range has been directed to：It is under balance pressure drilling, slimhole drilling, sidetracking, lower oil tube with pressure, with pressure
Rise setting of casing, it is with pressure remove bushing pipe, drilling out with pressure, brill bridge plug with pressure, brill sand plug with pressure, acidification, pressure break, salvaging, milling,
Squeeze method scraps well operations etc..
The process of the rotary operation of existing Operating Pressure machine is：The closing of slips group is moved first, clamps tubing string, fixing card
Watt group is opened, then the hydraulic line in mobile slips group is removed, and then lifting hydraulic cylinder and turntable act simultaneously, drive and move
Slips group and tubing string are rotated when moving up, after tubing string moves up in place, then will mobile slips
On hydraulic line restore, then stationary slip group close, clamp tubing string, finally move slips group opening, lifting hydraulic cylinder band
Dynamic mobile slips group downwards or moves upwards and returns to original position, repeats the above steps, until rotary operation terminates.It can be seen that
Existing Operating Pressure machine needs frequently to dismantle and restore the hydraulic line in mobile slips group, seriously in rotary operation
Affect the construction efficiency of Operating Pressure machine rotary operation.And due to the hydraulic control circuit of lifting hydraulic cylinder and lifting liquid
Cylinder pressure itself oozes in existing, and causes existing Operating Pressure machine that can not carry out fixed point rotary operation.
Utility model content
In order to solve the above problem of the existing technology, the utility model aim is that providing one kind can be carried out continuously
Operating Pressure machine of the rotary operation without removing hydraulic line in mobile slips group.The utility model is connect by the way that rotation is arranged
Head, outer barrel is static, and inner cylinder follows turntable to rotate, and drives the liquid of the first hydraulic cylinder and second hydraulic cylinder action in mobile slips group
Pressure oil enters the annular groove of inner cylinder through the fuel feed hole on outer barrel, then enters first hydraulic cylinder and second hydraulic cylinder by annular groove；Cause
This, without dismantling the hydraulic line in mobile slips group, can continuously be revolved during Operating Pressure machine rotary operation to reach
Transfer to the purpose of industry.
Technical solution used by the utility model is：
A kind of Operating Pressure machine, including：
Workbench；
Wellhead assembly；
Upper junction plate is fixed at the lower end of the workbench；
Lower loading plate, is fixedly connected on the wellhead assembly；
Stationary slip group is fixedly connected on the lower loading plate；
Lifting hydraulic cylinder, the both ends of the cylinder body of lifting hydraulic cylinder are fixed with the upper junction plate and lower loading plate respectively to be connected
It connects, the piston rod of lifting hydraulic cylinder stretches out upwards；
Upper loading plate, is fixedly connected on the piston rod of lifting hydraulic cylinder；
Turntable is fixedly connected on loading plate；Turntable is equipped with the hydraulic motor for driving the turntable rotation and resistance
The only brake of the turntable rotation；
Mobile slips group, including mobile anti-jack slips, mobile load-bearing slips, the first liquid for driving the anti-jack slips opening and closing
Cylinder pressure and the second hydraulic cylinder for driving the mobile load-bearing slips opening and closing；
Rotary joint, setting is between mobile slips group and turntable；Including inner cylinder and the outer barrel being set on inner cylinder；Inner cylinder
Be fixedly connected respectively with the mobile slips group and turntable, the peripheral surface of inner cylinder be equipped with respectively with the first hydraulic cylinder and the
Multiple annular grooves of two hydraulic cylinders connection；Outer barrel is equipped with corresponds the multiple fuel feed holes being connected to multiple annular grooves.
Further, the Operating Pressure machine further includes the first hydraulic control circuit for controlling the brake action；Institute
Stating the first hydraulic control circuit includes：
Guide's oil circuit；
Oil return line is connect with the drain tap of the hydraulic motor；
Oil circuit is rotated forward, is connect with the rotating forward oil inlet of the hydraulic motor, the hydraulic motor is driven to rotate forward；
Oil circuit is inverted, is connect with the reversion oil inlet of the hydraulic motor, the hydraulic motor is driven to invert；
Check valve is connected on and rotates forward on oil circuit；
Pilot sequencing valve is connected in parallel with the check valve；The control port of pilot sequencing valve connects with the reversion oil circuit
It connects；
Shuttle valve, two oil inlets respectively with the rotating forward oil circuit and reversion oil circuit connection；
First pilot operated directional control valve, two oil inlets are connect with the oil outlet of the oil return line and shuttle valve respectively, liquid controlled reversing
The oil outlet of valve is connect with the brake；
Brake valve is released, two oil inlets connect with the control port of the guide's oil circuit and the first pilot operated directional control valve respectively
It connects, the oil outlet for releasing brake valve is connect with the oil return line.
Further, the Operating Pressure machine further includes the second of the control first hydraulic cylinder and second hydraulic cylinder action
Hydraulic control circuit；Second hydraulic control circuit includes the first hydraulic station, first manual three position four-way directional control valve, second-hand
Dynamic three position four-way directional control valve, the first hydraulic control one-way valve, the second hydraulic control one-way valve, third hydraulic control one-way valve and the 4th fluid-control one-way
Valve；
The oil outlet of first hydraulic station oil inlet and second with the first manual three position four-way directional control valve respectively
The oil inlet of hand-operated three-position connects；
Two oil outlets of the first manual three position four-way directional control valve by rotary joint respectively with the first fluid-control one-way
The oil inlet of the oil inlet of valve and the second hydraulic control one-way valve connects；
Two oil outlets of second hand-operated three-position by rotary joint respectively with third fluid-control one-way
The oil inlet of the oil inlet of valve and the 4th hydraulic control one-way valve connects；
The oil outlet of first hydraulic control one-way valve and the rod chamber of first hydraulic cylinder connect, the control of the first hydraulic control one-way valve
Liquefaction mouth and the rodless cavity of first hydraulic cylinder connect；
The oil outlet of second hydraulic control one-way valve and the rodless cavity of first hydraulic cylinder connect, the control of the second hydraulic control one-way valve
Liquefaction mouth and the rod chamber of first hydraulic cylinder connect；
The oil outlet of the third hydraulic control one-way valve and the rod chamber of second hydraulic cylinder connect, the control of third hydraulic control one-way valve
Liquefaction mouth and the rodless cavity of second hydraulic cylinder connect；
The oil outlet of 4th hydraulic control one-way valve and the rodless cavity of second hydraulic cylinder connect, the control of the 4th hydraulic control one-way valve
Liquefaction mouth and the rod chamber of second hydraulic cylinder connect.
Further, first hydraulic station includes the first oil circuit and the second oil circuit；First oil circuit and the second oil circuit wrap
It includes along the sequentially connected fuel tank in fuel-displaced direction, filter, hydraulic pump, check-valves, pressure reducing valve and flowmeter；Second oil circuit is also
Including hydraulic control 2/2-way reversal valve；The oil inlet and oil outlet of the hydraulic control 2/2-way reversal valve respectively with the first oil circuit
The oil outlet of oil outlet and the second oil circuit connects；The oil outlet of the control port and the first hydraulic station of hydraulic control 2/2-way reversal valve
It is connect with the oil outlet of the second oil circuit；Time of the first manual three position four-way directional control valve and the second hand-operated three-position
Hydraulic fluid port is connect with the fuel tank.
Further, the oil outlet of the check-valves of first oil circuit and the second oil circuit is respectively connected with shut-off valve and overflows
Flow valve.
Further, it is in series with accumulator group between the check-valves and the pressure reducing valve of the second oil circuit of second oil circuit.
Further, the Operating Pressure machine further includes that the third hydraulic control of the control lifting hydraulic cylinder action is returned
Road；Third hydraulic control circuit includes the second hydraulic station, accumulator, the second pilot operated directional control valve and pilot control valve；
The oil inlet of second pilot operated directional control valve is connect with the second hydraulic station, two oil outlets of the second pilot operated directional control valve
It is connect respectively with the rodless cavity of the rod chamber of lifting hydraulic cylinder and lifting hydraulic cylinder；Second pilot operated directional control valve and lifting hydraulic cylinder
The oil outlet of rodless cavity connection is connect with the accumulator；
The oil inlet of the pilot control valve is connect with the second hydraulic station, and two oil outlets of pilot control valve are respectively with
Two control ports of two pilot operated directional control valves connect.
Further, the top and bottom end of the inner cylinder have been respectively fixedly connected with upper end cover and bottom end cover；It is set on upper end cover
Have and corresponds oil outlet be connected to multiple annular grooves, it is equal between upper end cover and outer barrel and between bottom end cover and outer barrel
It is respectively arranged with sealing ring.
Further, the upper end cover and bottom end cover are detachably connected on the top and bottom end of the inner cylinder respectively.
Further, it is provided with rolling bearing between the inner barrel and outer barrel.
The beneficial effects of the utility model are：
The utility model is by being arranged rotary joint, and outer barrel is static, and inner cylinder follows turntable to rotate, and drives in mobile slips group
First hydraulic cylinder and the hydraulic oil of second hydraulic cylinder action enter the annular groove of inner cylinder through the fuel feed hole on outer barrel, then by annular
Slot enters first hydraulic cylinder and second hydraulic cylinder；Therefore without dismantling mobile slips group during Operating Pressure machine rotary operation
On hydraulic line, to which achieve the purpose that being capable of continuous rotation operation；Secondly, by the way that shuttle is arranged in the first hydraulic control circuit
Valve releases brake valve by setting, is revolving so as to when operating turntable forward or reverse, automatically open brake
When transferring to the reaction torque occurred in industry turntable being driven to invert, releasing brake valve can be operated in time, makes brake operation；Also,
By the way that the first hydraulic control one-way valve, the second hydraulic control one-way valve, third hydraulic control one-way valve and are arranged in the second hydraulic control circuit
Four hydraulic control one-way valves；On the one hand it avoids causing first hydraulic cylinder and second hydraulic cylinder to malfunction because of rotary joint leakage, another party
Face is unable to pressure release, to protect when first manual three position four-way directional control valve and the second hand-operated three-position are in middle position
Hold the locking state of mobile slips group.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Operating Pressure machine of the utility model；
Fig. 2 is the structural schematic diagram of rotary joint in a kind of Operating Pressure machine shown in FIG. 1；
Fig. 3 is the hydraulic schematic diagram that turntable positive and negative rotation is controlled in a kind of Operating Pressure machine shown in FIG. 1；
Fig. 4 is the hydraulic schematic diagram of the first hydraulic control circuit in a kind of Operating Pressure machine shown in FIG. 1；
Fig. 5 is the hydraulic schematic diagram of the second hydraulic control circuit in a kind of Operating Pressure machine shown in FIG. 1；
Fig. 6 is the hydraulic schematic diagram of the first hydraulic station in Fig. 5；
Fig. 7 is the hydraulic schematic diagram of third hydraulic control circuit in a kind of Operating Pressure machine shown in FIG. 1；
In figure：1- workbench；2- moves slips group；2a- first hydraulic cylinders；2b- second hydraulic cylinders；3- rotary joints；3a-
Upper end cover；3b- outer barrels；3c- sealing rings；3d- bottom end covers；3e- inner cylinders；4- turntables；4a- hydraulic motors；4b- brakes；5- is solid
Determine slips group, 6- upper junction plates；7- lifting hydraulic cylinders；The first hydraulic control one-way valves of 8a-；The second hydraulic control one-way valves of 8b-；8c- thirds
Hydraulic control one-way valve；The 4th hydraulic control one-way valves of 8d-；9- pilot control valves；The second pilot operated directional control valves of 10-；11- accumulators；12- is solved
Except brake valve；The first pilot operated directional control valves of 13-；14- shuttle valves；15- pilot sequencing valves；16- check valves；The upper loading plates of 17-；Under 18-
Loading plate；19- wellhead assemblies；20a- first manual three position four-way directional control valves；The second hand-operated three-positions of 20b-；
21- tubing strings；22- filters；23- hydraulic pumps；24- check-valves；25- shut-off valves；26- overflow valves；27- pressure reducing valves；28- flows
Meter；29- hydraulic control 2/2-way reversal valves；30- fuel tanks.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment does further explaination to the utility model.
Embodiment 1：
As shown in figs. 1-7, the present embodiment provides a kind of Operating Pressure machines, including：
Workbench 1；
Wellhead assembly 19；
Upper junction plate 6 is fixed at the lower end of the workbench 1；
Lower loading plate 18, is fixedly connected on the wellhead assembly 19；
Stationary slip group 5 is fixedly connected on the lower loading plate 18；
The both ends of lifting hydraulic cylinder 7, the cylinder body of lifting hydraulic cylinder 7 are solid with the upper junction plate 6 and lower loading plate 18 respectively
Fixed connection, the piston rod of lifting hydraulic cylinder 7 stretch out upwards；
Upper loading plate 17 is fixedly connected on the piston rod of lifting hydraulic cylinder 7；
Turntable 4 is fixedly connected on loading plate 17；Turntable 4 is equipped with the hydraulic motor 4a for driving the turntable 4 to rotate
And the brake 4b for preventing the turntable 4 from rotating；
Mobile slips group 2, including mobile anti-jack slips, mobile load-bearing slips, the driving anti-jack slips opening and closing first
The hydraulic cylinder 2a and second hydraulic cylinder 2b for driving the mobile load-bearing slips opening and closing；
Rotary joint 3, setting is between mobile slips group 2 and turntable 4；Including inner cylinder 3e and it is set in outer on inner cylinder 3e
Cylinder 3b；Inner cylinder 3e is fixedly connected with the mobile slips group 2 and turntable 4 respectively, the peripheral surface of inner cylinder 3e be equipped with respectively with institute
State multiple annular grooves that first hydraulic cylinder 2a is connected to second hydraulic cylinder 2b；Outer barrel 3b is equipped with multiple annular grooves one by one
Multiple fuel feed holes of corresponding connection.
The utility model is the improvement carried out on the 235K Operating Pressure machines of Canadian SNUBCO companies, therefore, described
Workbench 1, upper junction plate 6, lower loading plate 18, stationary slip group 5, lifting hydraulic cylinder 7, upper loading plate 17, turns wellhead assembly 19
Prior art realization may be used in disk 4 and mobile slips group 2.
As shown in Figure 1, the length of single tubing string 21 is usually at 12 meters or so, the stroke of lifting hydraulic cylinder 7 at 3 meters or so,
Therefore when having carried out lower tubular column, need to dismount the hydraulic line 4 times in mobile slips group 2；Since hydraulic line largely hangs down
It in aerial, is connected in mobile slips group 2 by pipeline umbrella, and after removing hydraulic line every time, is required for fixing connector,
Therefore, dismounting hydraulic line wastes a big chunk time.Therefore, the utility model by mobile slips group 2 and turntable 4 it
Between setting rotary joint 3 improve the rotary operation efficiency of Operating Pressure machine to remove dismounting hydraulic line from；According to scene
Situation, after rotary joint 3, the swiveling work machine improved efficiency of Operating Pressure machine 25%.
As shown in Fig. 2, in the present embodiment, in order to prevent outside hydraulic fluid leak to rotary joint 3, the top of the inner cylinder 3e
It is respectively fixedly connected with upper end cover 3a and bottom end cover 3d with bottom end；Upper end cover 3a is equipped with to be corresponded with multiple annular grooves
The oil outlet of connection is respectively provided with sealing ring between upper end cover 3a and outer barrel 3b and between bottom end cover 3d and outer barrel 3b
3c.Preferably, the sealing ring 3c is replaced for convenience, and the upper end cover 3a and bottom end cover 3d are detachably connected on described respectively
The top and bottom end of inner cylinder 3e.Further, in order to reduce the resistance that inner cylinder 3e and outer barrel 3b is relatively rotated, the inner cylinder 3e
It is provided with rolling bearing between outer barrel 3b.
Operating Pressure machine in the present embodiment further includes the first hydraulic control circuit of the control brake 4b actions；Institute
Stating the first hydraulic control circuit includes：
Guide's oil circuit；
Oil return line is connect with the drain tap of the hydraulic motor 4a；
Oil circuit is rotated forward, is connect with the rotating forward oil inlet of the hydraulic motor 4a, the hydraulic motor 4a is driven to rotate forward；
Oil circuit is inverted, is connect with the reversion oil inlet of the hydraulic motor 4a, the hydraulic motor 4a is driven to invert；
Check valve 16 is connected on and rotates forward on oil circuit；
Pilot sequencing valve 15 is connected in parallel with the check valve 16；The control port of pilot sequencing valve 15 and the reversion
Oil circuit connection；
Shuttle valve 14, two oil inlets respectively with the rotating forward oil circuit and reversion oil circuit connection；
First pilot operated directional control valve 13, two oil inlets are connect with the oil outlet of the oil return line and shuttle valve respectively, and hydraulic control is changed
It is connect to the oil outlet of valve 13 with the brake 4b；
Release brake valve 12, the control port with the guide's oil circuit and the first pilot operated directional control valve 13 respectively of two oil inlets
Connection, the oil outlet for releasing brake valve 12 are connect with the oil return line.
The oil circuit for controlling the hydraulic motor 4a positive and negative rotations is realized using the existing oil circuit in 235K Operating Pressure machines, is such as schemed
Shown in 3.
As shown in figure 4, under normal circumstances, releasing brake valve 12 and being in position shown in Fig. 4, the first pilot operated directional control valve 13
In position shown in Fig. 4；Therefore when needing hydraulic motor 4a forward or reverse, rotating forward oil circuit or reversion oil circuit can all pass through
Shuttle valve and the first pilot operated directional control valve 13 open brake 4b, make hydraulic motor 4a can be with forward or reverse；Once hydraulic pressure occurs
For motor 4a to when being rotated in the opposite direction with scheduled side, manual operation releases brake valve 12, and releasing brake valve 12 is made to act,
Guide's oil circuit pushes the commutation of the first pilot operated directional control valve 13, and to which brake 4b is closed, hydraulic motor 4a can not be rotated.It needs to illustrate
, the scheduled direction refers to predetermined hydraulic pressure motor 4a forward or reverse.
Since the hydraulic control circuit of existing control first hydraulic cylinder 2a and second hydraulic cylinder 2b actions are not provided with liquid
Check valve is controlled, and the Median Function of first manual three position four-way directional control valve 20a and the second hand-operated three-position 20b are
Pressure release, simultaneously because newly-increased rotary joint 3 has leakage, it is thus possible to first hydraulic cylinder 2a and second hydraulic cylinder 2b be caused to miss
Action；Therefore, as it can be seen in figures 5 and 6, the Operating Pressure machine in the present embodiment further includes the control first hydraulic cylinder 2a and second
Second hydraulic control circuit of hydraulic cylinder 2b actions；Second hydraulic control circuit includes the first hydraulic station, first manual three
Position and four-way reversing valve 20a, the second hand-operated three-position 20b, the first hydraulic control one-way valve 8a, the second hydraulic control one-way valve 8b,
Third hydraulic control one-way valve 8c and the 4th hydraulic control one-way valve 8d；
The oil outlet of first hydraulic station respectively with the oil inlet of the first manual three position four-way directional control valve 20a and
The oil inlet of two hand-operated three-position 20b connects；
Two oil outlets of the first manual three position four-way directional control valve 20a by rotary joint respectively with the first hydraulic control list
Oil inlet connection to the oil inlet and the second hydraulic control one-way valve 8b of valve 8a；
Two oil outlets of the second hand-operated three-position 20b by rotary joint respectively with third hydraulic control list
Oil inlet connection to the oil inlet and the 4th hydraulic control one-way valve 8d of valve 8c；
The oil outlet of the first hydraulic control one-way valve 8a is connect with the rod chamber of first hydraulic cylinder 2a, the first hydraulic control one-way valve
The control port of 8a is connect with the rodless cavity of first hydraulic cylinder 2a；
The oil outlet of the second hydraulic control one-way valve 8b is connect with the rodless cavity of first hydraulic cylinder 2a, the second hydraulic control one-way valve
The control port of 8b is connect with the rod chamber of first hydraulic cylinder 2a；
The oil outlet of the third hydraulic control one-way valve 8c is connect with the rod chamber of second hydraulic cylinder 2b, third hydraulic control one-way valve
The control port of 8c is connect with the rodless cavity of second hydraulic cylinder 2b；
The oil outlet of the 4th hydraulic control one-way valve 8d is connect with the rodless cavity of second hydraulic cylinder 2b, the 4th hydraulic control one-way valve
The control port of 8d is connect with the rod chamber of second hydraulic cylinder 2b.
When the rod chamber and rodless cavity and second hydraulic cylinder 2b rod chambers and rodless cavity of first hydraulic cylinder 2a is without oil inlet
When, the first hydraulic control one-way valve 8a, the second hydraulic control one-way valve 8b, third hydraulic control one-way valve 8c and the 4th hydraulic control one-way valve 8d are closed
It closes, to keep the locking state of mobile slips group 2.
As shown in fig. 6, the first hydraulic station in the present embodiment includes the first oil circuit and the second oil circuit；First oil circuit and second
Oil circuit includes along the sequentially connected fuel tank 30 in fuel-displaced direction, filter 22, hydraulic pump 23, check-valves 24, pressure reducing valve 27 and stream
Gauge 28；Second oil circuit further includes hydraulic control 2/2-way reversal valve 29；The oil inlet of the hydraulic control 2/2-way reversal valve 29
Mouth and oil outlet are connect with the oil outlet of the oil outlet of the first oil circuit and the second oil circuit respectively；Hydraulic control 2/2-way reversal valve 29
The oil outlet of control port and the first hydraulic station is connect with the oil outlet of the second oil circuit；The first manual three position four-way directional control valve
The oil return opening of 20a and the second hand-operated three-position 20b are connect with the fuel tank.It is commutated by the way that hydraulic control 2/2-way is arranged
Valve 29, in the hydraulic fluid pressure deficiency of the first oil circuit, be immediately switched to the second oil circuit, use the second oil circuit pair second
Hydraulic control circuit fuel feeding.Preferably, in the present embodiment, the oil outlet of the check-valves 24 of first oil circuit and the second oil circuit is equal
It is connected separately with shut-off valve 25 and overflow valve 26.Further, the decompression of the check-valves 24 and the second oil circuit of second oil circuit
Accumulator group 31 is in series between valve 27.By the way that accumulator group 31 is arranged, in the hydraulic oil of the first oil circuit and the second oil circuit
When pressure is insufficient, hydraulic oil is supplemented into the second oil circuit.
In existing Operating Pressure machine, the hydraulic control circuit that control lifting hydraulic cylinder 7 acts uses big flow three four
7 uplink of logical hand-operated direction valve control lifting hydraulic cylinder, decentralization or stopping；The 3-position 4-way hand-operated direction valve is guiding valve, is existed interior
It oozes；Simultaneously because 7 long-time use of lifting hydraulic cylinder causes to wear, it can also cause interior ooze；It needs to pinpoint when carrying out rotary operation
When construction, the spool of 3-position 4-way hand-operated direction valve can be made to be in middle position；It is oozed due to interior, the piston rod of lifting hydraulic cylinder 7 can not
Long-time holding position is constant.Therefore, in the present embodiment, as shown in fig. 7, the Operating Pressure machine further includes the control lifting
The third hydraulic control circuit that hydraulic cylinder 7 acts；Third hydraulic control circuit includes the second hydraulic station, accumulator 11, the second liquid
Control reversal valve 10 and pilot control valve 9；
The oil inlet of second pilot operated directional control valve 10 is connect with the second hydraulic station, two of the second pilot operated directional control valve 10
Oil outlet is connect with the rodless cavity of the rod chamber of lifting hydraulic cylinder 7 and lifting hydraulic cylinder 7 respectively；Second pilot operated directional control valve 10 and act
The oil outlet for rising the rodless cavity connection of hydraulic cylinder 7 is connect with the accumulator 11；
The oil inlet of the pilot control valve 9 is connect with the second hydraulic station, two oil outlets of pilot control valve 9 respectively with
Two control ports of the second pilot operated directional control valve 10 connect.It is protected by the way that accumulator 11 is arranged to the supplement pressure of lifting hydraulic cylinder 7
The in-cylinder pressure of lifting hydraulic cylinder 7 is demonstrate,proved, the position to ensure the piston rod of lifting hydraulic cylinder 7 is constant, completes fixed point rotary and makees
Industry.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Go out other various forms of products.Above-mentioned specific implementation mode should not be understood the limitation of pairs of the scope of protection of the utility model,
The scope of protection of the utility model should be subject to be defined in claims, and specification can be used for explaining that right is wanted
Seek book.
Claims (10)
1. a kind of Operating Pressure machine, it is characterised in that：Including：
Workbench (1)；
Wellhead assembly (19)；
Upper junction plate (6), is fixed at the lower end of the workbench (1)；
Lower loading plate (18), is fixedly connected on the wellhead assembly (19)；
Stationary slip group (5) is fixedly connected on the lower loading plate (18)；
Lifting hydraulic cylinder (7), the both ends of the cylinder body of lifting hydraulic cylinder (7) respectively with the upper junction plate (6) and lower loading plate
(18) it is fixedly connected, the piston rod of lifting hydraulic cylinder (7) stretches out upwards；
Upper loading plate (17), is fixedly connected on the piston rod of lifting hydraulic cylinder (7)；
Turntable (4) is fixedly connected on loading plate (17)；Turntable (4) is equipped with the hydraulic pressure horse for driving turntable (4) rotation
Up to (4a) and the brake (4b) for preventing the turntable (4) from rotating；
Mobile slips group (2), including mobile anti-jack slips, mobile load-bearing slips, the first liquid for driving the anti-jack slips opening and closing
The second hydraulic cylinder (2b) of cylinder pressure (2a) and the driving mobile load-bearing slips opening and closing；
Rotary joint (3), setting is between mobile slips group (2) and turntable (4)；Including inner cylinder (3e) and it is set in inner cylinder (3e)
On outer barrel (3b)；Inner cylinder (3e) is fixedly connected with the mobile slips group (2) and turntable (4) respectively, the periphery of inner cylinder (3e)
Face is equipped with the multiple annular grooves being connected to respectively with the first hydraulic cylinder (2a) and second hydraulic cylinder (2b)；It is set on outer barrel (3b)
Have and corresponds the multiple fuel feed holes being connected to multiple annular grooves.
2. a kind of Operating Pressure machine according to claim 1, it is characterised in that：The Operating Pressure machine further includes control institute
State the first hydraulic control circuit of brake (4b) action；First hydraulic control circuit includes：
Guide's oil circuit；
Oil return line is connect with the drain tap of the hydraulic motor (4a)；
Oil circuit is rotated forward, is connect with the rotating forward oil inlet of the hydraulic motor (4a), the hydraulic motor (4a) is driven to rotate forward；
Oil circuit is inverted, is connect with the reversion oil inlet of the hydraulic motor (4a), the hydraulic motor (4a) is driven to invert；
Check valve (16) is connected on and rotates forward on oil circuit；
Pilot sequencing valve (15) is connected in parallel with the check valve (16)；The control port of pilot sequencing valve (15) with it is described anti-
Turn oil circuit connection；
Shuttle valve (14), two oil inlets respectively with the rotating forward oil circuit and reversion oil circuit connection；
First pilot operated directional control valve (13), two oil inlets are connect with the oil outlet of the oil return line and shuttle valve respectively, liquid controlled reversing
The oil outlet of valve (13) is connect with the brake (4b)；
Release brake valve (12), the control port with the guide's oil circuit and the first pilot operated directional control valve (13) respectively of two oil inlets
Connection, the oil outlet for releasing brake valve (12) are connect with the oil return line.
3. a kind of Operating Pressure machine according to claim 1, it is characterised in that：The Operating Pressure machine further includes control institute
State the second hydraulic control circuit of first hydraulic cylinder (2a) and second hydraulic cylinder (2b) action；The second hydraulic control circuit packet
Include the first hydraulic station, first manual three position four-way directional control valve (20a), the second hand-operated three-position (20b), the first hydraulic control
Check valve (8a), the second hydraulic control one-way valve (8b), third hydraulic control one-way valve (8c) and the 4th hydraulic control one-way valve (8d)；
The oil outlet of first hydraulic station oil inlet and second with the first manual three position four-way directional control valve (20a) respectively
The oil inlet of hand-operated three-position (20b) connects；
Two oil outlets of the first manual three position four-way directional control valve (20a) by rotary joint (3) respectively with the first hydraulic control
The oil inlet connection of the oil inlet and the second hydraulic control one-way valve (8b) of check valve (8a)；
Two oil outlets of second hand-operated three-position (20b) by rotary joint (3) respectively with third hydraulic control
The oil inlet of the oil inlet of check valve (8c) and the 4th hydraulic control one-way valve (8d) connects；
The oil outlet of first hydraulic control one-way valve (8a) is connect with the rod chamber of first hydraulic cylinder (2a), the first hydraulic control one-way valve
The control port of (8a) is connect with the rodless cavity of first hydraulic cylinder (2a)；
The oil outlet of second hydraulic control one-way valve (8b) is connect with the rodless cavity of first hydraulic cylinder (2a), the second hydraulic control one-way valve
The control port of (8b) is connect with the rod chamber of first hydraulic cylinder (2a)；
The oil outlet of the third hydraulic control one-way valve (8c) is connect with the rod chamber of second hydraulic cylinder (2b), third hydraulic control one-way valve
The control port of (8c) is connect with the rodless cavity of second hydraulic cylinder (2b)；
The oil outlet of 4th hydraulic control one-way valve (8d) is connect with the rodless cavity of second hydraulic cylinder (2b), the 4th hydraulic control one-way valve
The control port of (8d) is connect with the rod chamber of second hydraulic cylinder (2b).
4. a kind of Operating Pressure machine according to claim 3, it is characterised in that：First hydraulic station includes the first oil circuit
With the second oil circuit；First oil circuit and the second oil circuit include along the sequentially connected fuel tank in fuel-displaced direction (30), filter (22), liquid
Press pump (23), check-valves (24), pressure reducing valve (27) and flowmeter (28)；Second oil circuit further includes the commutation of hydraulic control 2/2-way
Valve (29)；The oil inlet and oil outlet of the hydraulic control 2/2-way reversal valve (29) respectively with the oil outlet of the first oil circuit and second
The oil outlet of oil circuit connects；The control port of hydraulic control 2/2-way reversal valve (29) and the oil outlet of the first hydraulic station and the second oil
The oil outlet on road connects；The first manual three position four-way directional control valve (20a) and the second hand-operated three-position (20b)
Oil return opening is connect with the fuel tank.
5. a kind of Operating Pressure machine according to claim 4, it is characterised in that：First oil circuit and the second oil circuit only
The oil outlet for returning valve (24) is respectively connected with shut-off valve (25) and overflow valve (26).
6. a kind of Operating Pressure machine according to claim 4 or 5, it is characterised in that：The check-valves of second oil circuit
(24) accumulator group (31) is in series between the pressure reducing valve of the second oil circuit (27).
7. a kind of Operating Pressure machine according to claim 1, it is characterised in that：The Operating Pressure machine further includes control institute
State the third hydraulic control circuit of lifting hydraulic cylinder (7) action；Third hydraulic control circuit includes the second hydraulic station, accumulator
(11), the second pilot operated directional control valve (10) and pilot control valve (9)；
The oil inlet of second pilot operated directional control valve (10) is connect with the second hydraulic station, and two of the second pilot operated directional control valve (10) go out
Hydraulic fluid port is connect with the rodless cavity of the rod chamber of lifting hydraulic cylinder (7) and lifting hydraulic cylinder (7) respectively；Second pilot operated directional control valve (10)
The oil outlet being connect with the rodless cavity of lifting hydraulic cylinder (7) is connect with the accumulator (11)；
The oil inlet of the pilot control valve (9) is connect with the second hydraulic station, two oil outlets of pilot control valve (9) respectively with
Two control ports of the second pilot operated directional control valve (10) connect.
8. a kind of Operating Pressure machine according to claim 1, it is characterised in that：The top and bottom end of the inner cylinder (3e) point
It is not fixedly connected with upper end cover (3a) and bottom end cover (3d)；Upper end cover (3a), which is equipped with to correspond with multiple annular grooves, to be connected
Logical oil outlet is respectively provided with close between upper end cover (3a) and outer barrel (3b) and between bottom end cover (3d) and outer barrel (3b)
Seal (3c).
9. a kind of Operating Pressure machine according to claim 8, it is characterised in that：The upper end cover (3a) and bottom end cover (3d)
It is detachably connected on the top and bottom end of the inner cylinder (3e) respectively.
10. a kind of Operating Pressure machine according to claim 1, it is characterised in that：The inner cylinder (3e) and outer barrel (3b) it
Between be provided with rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491047.6U CN208057550U (en) | 2018-04-08 | 2018-04-08 | A kind of Operating Pressure machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491047.6U CN208057550U (en) | 2018-04-08 | 2018-04-08 | A kind of Operating Pressure machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057550U true CN208057550U (en) | 2018-11-06 |
Family
ID=63984798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820491047.6U Withdrawn - After Issue CN208057550U (en) | 2018-04-08 | 2018-04-08 | A kind of Operating Pressure machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317113A (en) * | 2018-04-08 | 2018-07-24 | 四川艾文思创能源科技有限公司 | A kind of Operating Pressure machine |
-
2018
- 2018-04-08 CN CN201820491047.6U patent/CN208057550U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317113A (en) * | 2018-04-08 | 2018-07-24 | 四川艾文思创能源科技有限公司 | A kind of Operating Pressure machine |
| CN108317113B (en) * | 2018-04-08 | 2024-05-28 | 四川艾文思创能源科技有限公司 | Pressurized working machine |
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Granted publication date: 20181106 Effective date of abandoning: 20240528 |
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| AV01 | Patent right actively abandoned |
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