A kind of high pressure pipe joint turn-knob type quick access device
Technical field
The invention belongs to oil drill equipment technical fields, and in particular to a kind of high pressure pipe joint turn-knob type quick access device.
Background technique
Connection between manifold is the important process content of high pressure pipe joint assembling, the company of current worldwide manifold building
Structure type is connect, predominantly flanged joint connects two kinds with union.Union is required to carry out more after damage as vulnerable part
It changes and safeguards, operate large labor intensity, low efficiency, according to statistics, a set of typical land 7000m drilling machine, union are connected as at 40
Left and right, flanged joint be 30 at or so;One conventional pressure break well site includes 20 fracturing unit trucks, and the interface of manifold and fracturing unit truck is
40, the interface of manifold sled is 6.Union connects average operating time and calculated by 10 minutes, when flanged joint average operation
Between calculated by 30 minutes, a set of 7000m drilling machine high pressure pipe joint overall operation time reaches 22 hours;Pressure break well site high pressure pipe joint
It is more than hour to reach 8 for overall connection time, time-consuming long, and needs more people's operations.Current well drilling operation site faces automation
The not high bottleneck problem of degree, therefore there is an urgent need to carry out the exploitation of the quick quick access device of high pressure pipe joint.
Summary of the invention
The object of the present invention is to provide a kind of high pressure pipe joint turn-knob type quick access devices, solve existing high pressure pipe joint connection dress
Set the time-consuming long problem of connection.
The technical scheme adopted by the invention is that a kind of high pressure pipe joint turn-knob type quick access device, including tubulose female connector,
Tubulose pin end and retaining mechanism, female connector are set on pin end, and retaining mechanism is arranged in the middle part of female connector, pass through rotation lock
Female connector and pin end are locked or are disengaged by tight mechanism.
Technical characteristic of the invention also resides in,
Retaining mechanism is made of fan-shaped closing piece, drive disk and screw a, and screw a is threadedly coupled with closing piece, and drive disk is set in
On the outside of closing piece, it is provided with arc guide groove in drive disk, guide groove one end is close to drive disk inner wall, and the other end is outside drive disk
Wall, the head screw a is slided in guide groove drives closing piece to move radially.
At least two circumferential through-holes are offered in the middle part of female connector, closing piece is embedded in through-hole, and closing piece fits with the through hole.
Closing piece inner wall is provided with card slot a, and pin end outer wall is provided with the protruding end a matched with card slot a.
Female connector inner wall is provided with step-like groove b, and step-like sealing gear is disposed between female connector and pin end
Ring and ring packing bracket, seal stopper ring and seal bracket are embedded in groove b.
Seal stopper ring outer wall is arranged with dustband.
Seal bracket end outer lateral side close to seal stopper ring is arranged with sealing ring a, close to the seal bracket of pin end
Grooves d is offered on end face, sealing ring b is inlaid in grooves d, and seal bracket outer wall is arranged with guidance tape a.
Pin end outer wall is provided with card slot b, and closing piece inner wall is provided with the protruding end b matched with card slot b.
Spacer sleeve is equipped with guidance tape b and sealing ring c on pin end one end outer wall of female connector.
Retaining mechanism outer wall is fixed with driving handle.
The beneficial effects of the present invention are the present invention uses female connector, pin end and retaining mechanism, by rotating locking machine
Female connector and pin end are locked or are disengaged by structure, and structure is simple, and rapidly, reliably, good seal performance adapts to circulation of drilling fluid for connection
The operation of the high pressure pipe joints such as manifold, cementing manifold, throttle well killing manifold and fracture manifold has good economic performance and market
Promotional value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 1 mesohigh manifold turn-knob type quick access device of the embodiment of the present invention;
Fig. 2 is the positive structure schematic of 1 mesohigh manifold turn-knob type quick access device of the embodiment of the present invention;
Fig. 3 is the B-B cross-sectional view of Fig. 2;
Fig. 4 is the A-A echelon sectional view of Fig. 3 mesohigh manifold turn-knob type quick access device locking state;
Fig. 5 is the A-A echelon sectional view of Fig. 3 mesohigh manifold turn-knob type quick access device unlocked state;
Fig. 6 is the schematic perspective view of 2 mesohigh manifold turn-knob type quick access device of the embodiment of the present invention;
Fig. 7 is the positive structure schematic of 2 mesohigh manifold turn-knob type quick access device of the embodiment of the present invention;
Fig. 8 is the B-B cross-sectional view of Fig. 7;
Fig. 9 is the A-A echelon sectional view of Fig. 8 mesohigh manifold turn-knob type quick access device locking state;
Figure 10 is the A-A echelon sectional view of Fig. 8 mesohigh manifold turn-knob type quick access device unlocked state.
In figure, 1. female connectors, 2. drive disks, 3. closing pieces, 4. screw a, 5. driving handles, 6. pin ends, 7. seal brackets,
8. seal stopper ring, 9. guidance tape a, 10. sealing ring a, 11. screw b, 12. dustbands, 13. positioning pins, 14. guide grooves, 15. is logical
Hole.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Embodiment one
A kind of high pressure pipe joint turn-knob type quick access device of the present invention, referring to Figures 1 and 2, including tubulose female connector 1, tubulose
Pin end 6 and retaining mechanism, female connector 1 are set on pin end 6, and retaining mechanism setting is outside 1 middle part of female connector, retaining mechanism
Wall is fixed with driving handle 5, rotates retaining mechanism by driving handle 5 and female connector 1 and pin end 6 are locked or disengaged.
Referring to Fig. 3, retaining mechanism is made of fan-shaped closing piece 3, drive disk 2 and screw a4, and screw a4 and 3 screw thread of closing piece connect
It connects, drive disk 2 is set in 3 outside of closing piece, and 2 width of drive disk is greater than the width of closing piece 3.Arcuate guide is offered in drive disk 2
Slot 14, the cross section of guide groove 14 are T-type;14 one end of guide groove close to 2 inner wall of drive disk, the other end close to 2 outer wall of drive disk,
The head screw a4 is slided in guide groove 14, and closing piece 3 is driven to move radially.
It is opened up in the middle part of female connector 1 there are four circumferential sector through-hole 15, closing piece 3 is embedded in fan-shaped pylone 15, closing piece 3 and fan
15 clearance fit of shape through-hole, closing piece 3 can move radially in fan-shaped pylone 15.
3 inner wall of closing piece is provided with zigzag card slot a, and 6 outer wall of pin end is provided with the protruding end a matched with card slot a, just
In by 6 firm locking of female connector 1 and pin end.
1 inner wall of female connector is provided with step-like groove b, and step-like sealing is disposed between female connector 1 and pin end 6
Baffle ring 8 and ring packing bracket 7, seal stopper ring 8 and seal bracket 7 are embedded in groove b, and seal stopper ring 8 and seal bracket 7 are logical
It crosses screw b11 to be connected and fixed, 8 outer wall of seal stopper ring is arranged with dustband 12, and 1 inner wall of female connector, which offers, inlays dustband 12
Groove a.
7 end outer lateral side of seal bracket close to seal stopper ring 8 opens up fluted c, is inlaid with sealing ring in groove c
A10 offers grooves d on 7 end face of seal bracket of pin end 6, sealing ring b is inlaid in grooves d;Outside seal bracket 7
Wall opens up fluted m, and guidance tape a9 is inlaid in groove m.
When using one high pressure pipe joint of the present embodiment turn-knob type quick access device, female connector 1 is first inserted into the free end pipe A end
Left end inner cavity, by pipe A and 1 left end end fixing compact of female connector, then the free end the pipe B end insertion that will be connect with pipe A is public
Pin end 6 is finally inserted into female connector 1 by 6 right end inner cavity of connector by pipe B and 6 right end end fixing compact of pin end;It holds
Driving handle 5 rotates drive disk 2 counterclockwise, and the head to screw a4 is stuck in guide groove 14 end nearest apart from 2 inner wall of drive disk
When portion, i.e., female connector 1 and pin end 6 are locked into (see Fig. 4).
When needing to disengage female connector 1 and pin end 6, driving handle 5 is held, drive disk 2 is rotated clockwise, to screw a4
Head when being stuck in guide groove 14 end nearest apart from 2 outer wall of drive disk, i.e., female connector 1 and pin end 6 are disengaged (see figure
5)。
Embodiment two
A kind of high pressure pipe joint turn-knob type quick access device of the present invention, referring to figure 6 and figure 7, including tubulose female connector 1, tubulose
Pin end 6 and retaining mechanism, female connector 1 are set on pin end 6, and retaining mechanism setting is outside 1 middle part of female connector, retaining mechanism
Wall is fixed with driving handle 5, rotates retaining mechanism by driving handle 5 and female connector 1 and pin end 6 are locked or disengaged.
Referring to Fig. 8, retaining mechanism is made of fan-shaped closing piece 3, drive disk 2 and screw a4, and screw a4 and 3 screw thread of closing piece connect
It connects, drive disk 2 is set in 3 outside of closing piece, and 2 width of drive disk is greater than the width of closing piece 3, passes through between drive disk 2 and female connector 1
Positioning pin 13 is connected and fixed.
Arc guide groove 14 is offered in drive disk 2,14 one end of guide groove is close to 2 inner wall of drive disk, and the other end is close to drive
2 outer wall of Moving plate, the head screw a4 are slided in guide groove 14, and closing piece 3 is driven to move radially.
It is opened up in the middle part of female connector 1 there are four circumferential sector through-hole 15, closing piece 3 is embedded in fan-shaped pylone 15, closing piece 3 and fan
15 clearance fit of shape through-hole, closing piece 3 can move radially in fan-shaped pylone 15.
6 outer wall of pin end offers zigzag card slot b, and 3 inner wall of closing piece is provided with the protruding end b matched with card slot b, just
In by 6 firm locking of female connector 1 and pin end.
It is spaced apart groove there are four setting on 6 one end outer wall of pin end of female connector 1, is inlayed in two grooves of outermost
There is guidance tape b, is inlaid with sealing ring c in intermediate two grooves.
When using two high pressure pipe joint of the present embodiment turn-knob type quick access device, female connector 1 is first inserted into the free end pipe A end
Left end inner cavity, fixing compact, then the free end the pipe B end insertion 6 right end inner cavity of pin end that will be connect with pipe A, fixing compact,
Pin end 6 is finally inserted into 1 inner cavity of female connector, is affixed pin end left end end face closely with female connector inner cavity end face;It holds and drives
Fixed handle 5 rotates drive disk 2 counterclockwise, and the head to screw a4 is stuck in guide groove 14 end nearest apart from 2 inner wall of drive disk
When, i.e., female connector 1 and pin end 6 are locked into (see Fig. 9).
When needing to disengage female connector 1 and pin end 6, driving handle 5 is held, drive disk 2 is rotated clockwise, to screw a4
Head when being stuck in guide groove 14 end nearest apart from 2 outer wall of drive disk, i.e., female connector 1 and pin end 6 are disengaged (see figure
10)。