CN102787816A - Opposite slurry injection joint - Google Patents
Opposite slurry injection joint Download PDFInfo
- Publication number
- CN102787816A CN102787816A CN2011101328452A CN201110132845A CN102787816A CN 102787816 A CN102787816 A CN 102787816A CN 2011101328452 A CN2011101328452 A CN 2011101328452A CN 201110132845 A CN201110132845 A CN 201110132845A CN 102787816 A CN102787816 A CN 102787816A
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- China
- Prior art keywords
- pipe
- tube connector
- sealing
- core
- connecting pipe
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Abstract
The invention relates to an equipment component for opposite slurry injection, in particular to an opposite slurry injection joint. The opposite slurry injection joint comprises a drill pipe connecting pipe, a high-pressure rubber pipe connecting pipe and a sealing bearing support which are arranged coaxially, wherein the drill pipe connecting pipe is composed of a transition connecting pipe and a drill pipe end pipe connected with the outer end of the transition connecting pipe, and is coaxially provided with a core pipe which is in sealing connection with the drill pipe connecting pipe through a sealing mechanism; the sealing end of the core pipe is inserted into the inner end of the transition connecting pipe; the transition connecting pipe is sleeved by the sealing bearing support; the sealing bearing support is in removable connection with a core pipe bracket comprising an annular radial end plate; the connecting end of the core pipe is embedded into a hole of the annular radial end plate; and the high-pressure rubber pipe connecting pipe is compressed and fixed with the annular radial end plate through a flange fixedly connected with the high-pressure rubber pipe connecting pipe, and communicated with the core pipe. After slurry leaks when sealing fillers are damaged due to high-speed rotation and friction, the opposite slurry injection joint can be used continuously only by removing the core pipe bracket and the sealing mechanism and replacing the core pipe and the sealing fillers, and the opposite slurry injection joint is convenient and quick and convenient in maintenance.
Description
Technical field
The present invention relates to the part of appliance of a kind of mud, relate in particular to a kind of mud annotating joint to annotating.
Background technology
The horizontal orientation crossing technology has obvious superiority when obstacles such as oil and gas pipes river crossing, lake, the main line of communication, railway terminal and important area.The general mud that adopts is to annotating technology in the present directed crossing construction; Its technological principle is that rig driving drilling tool rotary goes back to when dragging reaming; Mud is connected rotation to annotating joint one end with drilling pipe; The other end is connected with high-pressure rubber pipe and does not rotate, this moment the mud pumping plant with mud through high-pressure rubber pipe, to annotating in joint and the drilling pipe injection hole, to reach the purpose of protection hole wall, clear hole and flushing drill bit.Existing mud is said to annotating joint such as Fig. 2, and its sealed bearing suit 2a is on high-pressure rubber pipe tube connector 1a, and is and affixed with drilling pipe tube connector 4a, filling sealing filler 3a between drilling pipe tube connector and high-pressure rubber pipe tube connector.In drilling pipe tube connector high speed rotary course, sealed bearing is with the rotation of drilling pipe tube connector, and its interior high-pressure rubber pipe tube connector of setting-in does not change.There is following shortcoming in present mud to annotating joint: the drilling pipe tube connector is through sealing filler and its interior high-pressure rubber pipe tube connector high speed rotary grinding of setting-in; Sealing filler consumes easily; After sealing filler damages the generation spillage, need whole sealed bearing be taken apart, change high-pressure rubber pipe tube connector and sealing filler; Complex procedures, difficult in maintenance.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiency that exists in the prior art, provides a kind of mud of being convenient to safeguard to annotating joint.
The present invention is achieved through following technical scheme:
A kind of mud is to annotating joint; The drilling pipe tube connector that comprises coaxial setting; High-pressure rubber pipe tube connector and sealed bearing, said drilling pipe tube connector is made up of a transition tube connector and the drilling pipe end pipe that is connected its outer end, and the coaxial core pipe that is provided with sealed end insertion transition tube connector the inner and is tightly connected with it through sealing mechanism; Said sealed bearing is sleeved on the transition tube connector; The core pipe holder of the ring-like radially end plate of the dismantled and assembled connecting band of sealed bearing, the link setting-in of said core pipe is gone in the hole of ring-like radially end plate, and said high-pressure rubber pipe tube connector is through being fixed with ring-like radially end plate with its affixed flange and being communicated with the core pipe.
Said sealing mechanism is made up of the sealing filler and the gland spare that closely are filled between transition tube connector and the core seal of tube end, and said gland spare is connected with the inner port locking of transition tube connector.
Said sealing filler is a V-shaped seal ring.
Said gland spare is made up of the position adjustments nut that cooperates with transition tube connector port, the locking nut that has gland and the gland of compression seal filler that are pressed on the position adjustments nut.
The invention has the beneficial effects as follows:
Because said sealed bearing is sleeved on the transition tube connector; And the core pipe on the core pipe holder is fixed in the sealing grafting on the transition tube connector, after high speed rotary grinding makes sealing filler damage the generation spillage, only need pull down core pipe holder and sealing mechanism; Change core pipe and sealing filler; Just can continue to use, convenient and swift, be convenient to safeguard; Adopt in addition the sealing mechanism that constitutes by the sealing filler and the gland spare that are filled in closely between transition tube connector and the core seal of tube end; Said gland spare is made up of the position adjustments nut that cooperates with transition tube connector port, the locking nut that has gland and the gland of compression seal filler that are pressed on the position adjustments nut, can maintain easily and adjust the tightness of sealing mechanism.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention.
Fig. 2 is that the mud of prior art is to annotating joint.
Among the figure: 1. flange, 2. core pipe bracing frame, 3. gland, 4. position adjustments nut, 5. core pipe; 6. sealed bearing, 7.V RunddichtringO, 8. locking nut, 9. high-pressure rubber pipe tube connector; 10. transition tube connector, 11. drilling pipe end pipes, 1a. high-pressure rubber pipe tube connector, 2a. sealed bearing; 3a. sealing filler, 4a. drilling pipe tube connector, A. high-pressure rubber pipe, B. drilling pipe.
The specific embodiment
For the technician who makes the present technique field understands technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and most preferred embodiment.
As shown in Figure 1; The present invention includes the drilling pipe tube connector of coaxial setting; High-pressure rubber pipe tube connector 9 and sealed bearing 6, said drilling pipe tube connector is made up of a transition tube connector 10 and the drilling pipe end pipe 11 that is connected its outer end, and the coaxial core pipe 5 that is provided with sealed end insertion transition tube connector the inner and is tightly connected with it through sealing mechanism; Said sealed bearing 6 is sleeved on the transition tube connector 10; The core pipe holder 2 of the ring-like radially end plate of the dismantled and assembled connecting band of sealed bearing, the link setting-in of said core pipe is gone in the hole of ring-like radially end plate, and said high-pressure rubber pipe tube connector is through being fixed with ring-like radially end plate with its affixed flange 1 and being communicated with the core pipe.
During work, drilling pipe drives the drilling pipe tube connector and rotates at a high speed, with the affixed high-pressure rubber pipe tube connector 9 of high-pressure rubber pipe and core pipe holder 2, do not change with affixed sealed bearing 6 of core pipe holder and the core pipe 5 that is pressed on the core pipe holder; After high speed rotary grinding makes sealing filler damage the generation spillage; Only need pull down core pipe holder 2 and sealing mechanism, change core pipe 5 and sealing filler, just can continue to use; Convenient and swift, be convenient to safeguard.The sealing filler that uses in this example is V-shaped seal ring 7.
Adopt in addition the sealing mechanism that constitutes by the V-shaped seal ring 7 and the gland spare that are filled in closely between transition tube connector 10 and core pipe 5 sealed ends; Said gland spare is made up of the position adjustments nut 4 that cooperates with transition tube connector 10 ports, the gland 3 that is pressed in the locking nut that has gland 8 on the position adjustments nut and presses V-shaped seal ring 7, can maintain easily and adjust the tightness of sealing mechanism.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. a mud is to annotating joint; Comprise the drilling pipe tube connector of coaxial setting, high-pressure rubber pipe tube connector and sealed bearing is characterized in that; Said drilling pipe tube connector is made up of a transition tube connector and the drilling pipe end pipe that is connected its outer end; And the coaxial core pipe that is provided with sealed end insertion transition tube connector the inner and is tightly connected with it through sealing mechanism, said sealed bearing is sleeved on the transition tube connector, the core pipe holder of the ring-like radially end plate of the dismantled and assembled connecting band of sealed bearing; The link setting-in of said core pipe is gone in the hole of ring-like radially end plate, and said high-pressure rubber pipe tube connector is through being fixed with ring-like radially end plate with its affixed flange and being communicated with the core pipe.
2. a kind of mud according to claim 1 is to annotating joint; It is characterized in that; Said sealing mechanism is made up of the sealing filler and the gland spare that closely are filled between transition tube connector and the core seal of tube end, and said gland spare is connected with the inner port locking of transition tube connector.
3. a kind of mud according to claim 2 is characterized in that to annotating joint said sealing filler is a V-shaped seal ring.
According to claim 2 or 3 described a kind of mud to annotating joint; It is characterized in that said gland spare is made up of the position adjustments nut that cooperates with transition tube connector port, the locking nut that has gland and the gland of compression seal filler that are pressed on the position adjustments nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101328452A CN102787816A (en) | 2011-05-20 | 2011-05-20 | Opposite slurry injection joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101328452A CN102787816A (en) | 2011-05-20 | 2011-05-20 | Opposite slurry injection joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102787816A true CN102787816A (en) | 2012-11-21 |
Family
ID=47153377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101328452A Pending CN102787816A (en) | 2011-05-20 | 2011-05-20 | Opposite slurry injection joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102787816A (en) |
-
2011
- 2011-05-20 CN CN2011101328452A patent/CN102787816A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121121 |