CN209457897U - A kind of strong ground pressure type blowout hookup - Google Patents
A kind of strong ground pressure type blowout hookup Download PDFInfo
- Publication number
- CN209457897U CN209457897U CN201920007027.1U CN201920007027U CN209457897U CN 209457897 U CN209457897 U CN 209457897U CN 201920007027 U CN201920007027 U CN 201920007027U CN 209457897 U CN209457897 U CN 209457897U
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- China
- Prior art keywords
- drilling rod
- upper shell
- slips
- pressure type
- blowout hookup
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Abstract
A kind of strong ground pressure type blowout hookup, belongs to technical field of mine safety.It is characterized by comprising the drilling rod clamping mechanism and pedestal that dock above and below, drilling rod is passed through from drilling rod channel (7)；Drilling rod clamping mechanism includes upper shell (4), upper shell (4) bottom is connect with pedestal, multiple slips (3) are evenly arranged in the inner cavity of upper shell (4), slips (3) is arranged in the outer ring of drilling rod for clamping drilling rod, it is additionally provided with and is connected from after the barrel that the outer ring of upper shell (4) passes through upper shell (4) with corresponding slips (3) with slips (3) one-to-one slips clamping screw (5), slips clamping screw (5).In this strong ground pressure type blowout hookup, by the way that drilling rod clamping mechanism is arranged, clamping can be carried out to drilling rod by the slips in drilling rod clamping mechanism, avoid drilling rod from projecting under the action of high artesian, eliminate security risk.
Description
Technical field
A kind of strong ground pressure type blowout hookup, belongs to technical field of mine safety.
Background technique
Depressing high artesian by force is one of disaster of coal mine, gently then causes equipment damage, stop work and production, heavy then flood
Well is flooded in face, causes great personal injury.It is depressed by force in underground and visits the work that high artesian is a quite dangerous, with underground
The hydraulic pressure of the increase of coal seam buried depth, water-bearing layer is also gradually increased.To complete construction task safely, current conventional operation stream
Cheng Shi: room is bored in construction first, and drilling machine is fixed, then just can with construction drill, be drilled into after certain depth will under good casing, reach
To design time, 0.5m below cleaning bottom of hole to orifice tube carries out pressure test, is further continued for creeping into after qualified.It is depressed by force when being drilled into
When position containing high artesian, high artesian can be mingled with fractured rock high speed ejection along drilling immediately, if fixed bad, high pressure water
Drilling machine will be knocked over.Be also equipped with blowout hookup in the prior art, but traditional blowout hookup there is no to drilling rod into
Row is fixed, therefore high artesian is once out of hand, and drilling rod can rapidly project under the action of high artesian, to driller
Safety belt comes dangerous.
Summary of the invention
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of by setting drilling rod
Clamping mechanism can carry out clamping to drilling rod by the slips in drilling rod clamping mechanism, avoid drilling rod in the effect of high artesian
Lower injection eliminates the strong ground pressure type blowout hookup of security risk.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the strong ground pressure type blowout hookup, feature
It is: including drilling rod clamping mechanism and pedestal, drilling rod channel is provided at the center of drilling rod clamping mechanism and pedestal, bores
Bar is passed through from drilling rod channel；Drilling rod clamping mechanism includes upper shell, and upper shell bottom is connect with pedestal, in the inner cavity of upper shell
In be evenly arranged with multiple slips, slips is arranged in the outer ring of drilling rod for clamping drilling rod, is additionally provided with and slips corresponds
Slips clamping screw, slips clamping screw from the outer ring of upper shell pass through upper shell barrel after with corresponding slips connect.
Preferably, the drilling rod clamping mechanism is connected through a screw thread with pedestal.
Preferably, the pedestal includes chassis and the connecting cylinder for being fixed on chassis surface.
Preferably, it is fixed with connecting tube with one heart in the bottom of upper shell, connecting tube is packed into the inner ring of the connecting cylinder simultaneously
It is threadedly coupled with connecting cylinder.
Preferably, the upper shell upper end opening, is fixed with top cover at upper end opening.
Preferably, more top cover fixing bolts are evenly arranged on the surface of the top cover, top cover fixing bolt is worn downwards
It crosses top cover to screw in later in the barrel of upper shell, top cover is fixed at the upper port of upper shell.
Preferably, gasket is also placed in the upper shell, gasket is placed on the cylinder bottom of upper shell and is located at
The lower section of slips.
Compared with prior art, beneficial effect possessed by the utility model is:
In this strong ground pressure type blowout hookup, by the way that drilling rod clamping mechanism is arranged, pass through the slips in drilling rod clamping mechanism
Clamping can be carried out to drilling rod, avoid drilling rod from projecting under the action of high artesian, eliminate security risk, and can be effective
The high high artesian of control spray.By the way that gasket is arranged in upper shell, high artesian is avoided to leak.
Detailed description of the invention
Fig. 1 is strong ground pressure type blowout hookup half sectional view.
Fig. 2 is strong ground pressure type blowout hookup top view.
Wherein: 1, top cover 2, top cover fixing bolt 3, slips 4, upper shell 5, slips clamping screw 6, gasket 7,
Drilling rod channel 8, connecting tube 9, connecting cylinder 10, chassis.
Specific embodiment
Fig. 1 ~ 2 are the most preferred embodiments of the utility model, and 1 ~ 2 pair of the utility model is done furtherly with reference to the accompanying drawing
It is bright.
As shown in Figure 1 and 2, a kind of strong ground pressure type blowout hookup, including drilling rod clamping assembly and pedestal, drilling rod clamping assembly
It is docked above and below with pedestal, is provided with perforative drilling rod channel 7 in the middle part of drilling rod clamping assembly and pedestal, drilling rod is from drilling rod
It is passed through in channel 7.
Drilling rod clamping assembly includes upper shell 4, and 4 upper end opening of upper shell is provided with top at the upper end opening of upper shell 4
Lid 1 is evenly arranged with more top cover fixing bolts 2 on the surface of top cover 1, and top cover fixing bolt 2 is passed down through the back spin of top cover 1
In the barrel for entering upper shell 4, top cover 1 is fixed at the upper port of upper shell 4.It is provided at the cylinder bottom center of upper shell 4
For the centre bore that drilling rod passes through, aperture corresponding with 4 bottom centre bores of upper shell is again provided at the center of top cover 1.
Muti-piece slips 3 is evenly arranged in the inner cavity of upper shell 4, when the drilling rod channel 7 of this strong ground pressure type blowout hookup
In when being placed with drilling rod, drilling rod can be locked by slips 3.It is provided with and the one-to-one slips clamping screw of slips 3
5, slips clamping screw 5 is correspondingly connected with from after the barrel that the outside of upper shell 4 passes through upper shell 4 with corresponding slips 3, to phase
The position of slips 3 is answered to be controlled.Gasket 6 is also placed in upper shell 4, gasket 6 is placed on the cylinder bottom of upper shell 4
And it is located at the lower section of slips 3.
Connecting tube 8 is fixed with one heart in the bottom of upper shell 4, at the interior lumen of connecting tube 8 and 4 bottoms of upper shell center
Centre bore is corresponding up and down.External screw thread is offered in the outer surface of connecting tube 8, connecting tube 8 and whorl of base cooperate, and realize drilling rod card
The connection of tight component and pedestal.
Pedestal includes circular chassis 10 and the connecting cylinder 9 for being concentrically mounted to 10 upper surface of chassis, the center on chassis 10
Place equally offers centre bore, and chassis 10 can be realized by flange, realizes this strong ground pressure type blowout prevention by the fixation hole on flange
The installation of device.Internal screw thread is offered on the inner wall of connecting cylinder 9, for the connection with connecting tube 8 in drilling rod clamping mechanism.Even
The interior lumen of connect cylinder 9 is corresponding up and down with the centre bore at 10 center of chassis.
After connecting tube 8 and connecting cylinder 9 are connected through a screw thread, it is arranged at 10 center of top cover 1, upper shell 4 and chassis
The barrel chamber that the centre bore at place, the inner cavity of upper shell 4 and connecting tube 8 and connecting cylinder 9 dock collectively constitutes above-mentioned drilling rod channel
7。
Specific work process and working principle are as follows:
This strong ground pressure type blowout hookup is fixed by chassis 10 first, chassis 10 passes through bolt and high artesian
Valve be connected, then drilling rod is put into from drilling rod channel 7, drilling rod will be placed in upper shell 4 after being put into gasket 6 and
Then top cover 1 is placed at the upper port of upper shell 4 and top cover 1 is fixed by top cover fixing bolt 2 by slips 3.When
When encountering high artesian, avoid drilling rod from drilling rod channel 7 drilling rod clamping by slips 3 by rotation slips clamping screw 5
It scurries out.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (7)
1. a kind of strong ground pressure type blowout hookup, it is characterised in that: including drilling rod clamping mechanism and pedestal, in drilling rod clamping mechanism
And drilling rod channel (7) are provided at the center of pedestal, drilling rod is passed through from drilling rod channel (7)；Drilling rod clamping mechanism includes upper
Cylinder (4), upper shell (4) bottom are connect with pedestal, and multiple slips (3), slips are evenly arranged in the inner cavity of upper shell (4)
(3) outer ring of drilling rod is arranged in for clamping drilling rod, is additionally provided with and slips (3) one-to-one slips clamping screw (5), card
Watt clamping screw (5) is connected from after the barrel that the outer ring of upper shell (4) passes through upper shell (4) with corresponding slips (3).
2. pressure type blowout hookup in strong ground according to claim 1, it is characterised in that: the drilling rod clamping mechanism and pedestal
It is connected through a screw thread.
3. pressure type blowout hookup in strong ground according to claim 1 or 2, it is characterised in that: the pedestal includes chassis
(10) and it is fixed on the connecting cylinder (9) on chassis (10) surface.
4. pressure type blowout hookup in strong ground according to claim 3, it is characterised in that: solid with one heart in the bottom of upper shell (4)
Surely have connecting tube (8), connecting tube (8) is packed into the inner ring of the connecting cylinder (9) and is threadedly coupled with connecting cylinder (9).
5. pressure type blowout hookup in strong ground according to claim 1, it is characterised in that: described upper shell (4) upper end opening,
Top cover (1) is fixed at upper end opening.
6. pressure type blowout hookup in strong ground according to claim 5, it is characterised in that: uniform on the surface of the top cover (1)
More top cover fixing bolts (2) are provided with, top cover fixing bolt (2) is passed down through the cylinder of screw-in upper shell (4) after top cover (1)
In wall, top cover (1) is fixed at the upper port of upper shell (4).
7. pressure type blowout hookup in strong ground according to claim 1, it is characterised in that: also placed in the upper shell (4)
Have gasket (6), gasket (6) is placed on the cylinder bottom of upper shell (4) and is located at the lower section of slips (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920007027.1U CN209457897U (en) | 2019-01-03 | 2019-01-03 | A kind of strong ground pressure type blowout hookup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920007027.1U CN209457897U (en) | 2019-01-03 | 2019-01-03 | A kind of strong ground pressure type blowout hookup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209457897U true CN209457897U (en) | 2019-10-01 |
Family
ID=68043608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920007027.1U Active CN209457897U (en) | 2019-01-03 | 2019-01-03 | A kind of strong ground pressure type blowout hookup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209457897U (en) |
-
2019
- 2019-01-03 CN CN201920007027.1U patent/CN209457897U/en active Active
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