CN213063506U - Rotary joint - Google Patents
Rotary joint Download PDFInfo
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- CN213063506U CN213063506U CN202021531468.0U CN202021531468U CN213063506U CN 213063506 U CN213063506 U CN 213063506U CN 202021531468 U CN202021531468 U CN 202021531468U CN 213063506 U CN213063506 U CN 213063506U
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- roller bearing
- joint
- ring
- sleeve
- lower joint
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Abstract
The utility model provides a rotary joint, lower clutch are the echelonment, and the urceolus passes through tapered roller bearing and installs on the lower clutch, and roller bearing installs in roller bearing's left side, and the location is at the tip of lower clutch between the axle through the lower clutch, and roller bearing is through increasing the cover location, installs the lower adapter sleeve between the right side terminal surface of urceolus and the lower clutch, installs lip seal and oil blanket between lower adapter sleeve and the lower clutch and is equipped with the cap. The utility model is used for after the circulation is established to the solution well drilling in-process, want the drilling rod rotatory, the easy winding problem of high-pressure hose.
Description
Technical Field
The utility model belongs to the technical field of drilling equipment, especially, relate to a well drilling jointing equipment.
Background
The rotary joint has the effects that when a well drilling faucet and a top drive are damaged, circulation can be quickly established by the rotary joint, a drilling tool can be rotated, and safety risks and well control risks in a well are reduced.
At present, the simple connection mode is that the high-pressure hose is connected with one end of the adapter, the other end of the adapter is connected with the drill rod, circulation can be established when a drilling faucet and a top drive are damaged, and safety risks and well control risks in a well are reduced.
The simple and easy connected mode that uses exists the crossover sub and is connected the back with the drilling rod, wants rotatory drilling rod, and the drilling rod rotation drives the crossover sub rotation, causes the winding problem to appear with the high-pressure hose that the crossover sub links to each other. When well drilling tap, top drive damage, can only cooperate with rings through the elevator and carry out the single high-pressure hose of changing the damage, the winding condition appears in the high-pressure hose, leads to handling the complicated means in the well and is restricted greatly, still causes secondary accident easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the defect that above-mentioned prior art exists, provide rotary joint for solve the well drilling in-process and establish the circulation after, want to rotate the drilling tool, the easy winding problem of high-pressure hose.
The utility model adopts the following technical scheme:
the rotary joint comprises an upper joint, a sealing sleeve, a support ring, a V-shaped ring, a compression ring, a packing spare cap, a tapered roller bearing, a sealing ring, an outer cylinder, a diameter increasing sleeve, a roller bearing, a lip-shaped sealing ring, a lower connecting sleeve, a pin, an oil seal spare cap, a lower joint and a grease nipple.
The lower joint is in a step shape, the outer cylinder is installed on the lower joint through the tapered roller bearing and the roller bearing, the roller bearing is installed on the left side of the roller bearing, the roller bearing is located at the end portion of the lower joint through the shaft space of the lower joint, and the roller bearing is located through the diameter increasing sleeve. A lower connecting sleeve is arranged between the right end face of the outer cylinder and the lower joint, and a lip-shaped sealing ring and an oil seal spare cap are arranged between the lower connecting sleeve and the lower joint.
And a grease nozzle is arranged on the lower connecting sleeve at a position corresponding to the roller bearing.
The lower connecting sleeve is fixedly connected with the outer cylinder through a pin.
One end of the sealing sleeve is arranged in a right-end central hole of the upper joint, the other end of the sealing sleeve is arranged in a left-end central hole of the lower joint, a support ring, a V-shaped ring, a compression ring and a packing spare cap are sequentially arranged between the sealing sleeve and the upper joint from left to right, and a sealing ring is arranged between the sealing sleeve and the lower joint.
Preferably, the right end part of the upper joint is matched with the left end part of the outer cylinder, and the right end part of the upper joint is arranged in a cavity of the left end part of the outer cylinder.
The utility model has the advantages that:
(1) drilling tool joint (drilling rod) and rotary joint's top connection, drilling tool (drilling rod) are sat on the elevator, the elevator is sat on the drilling rig face, the carousel is rotatory to drive elevator and drilling tool (drilling rod) rotation, because roller bearing separates back with top connection and lower clutch, the top connection can follow the drilling rod and rotate together and the lower clutch can remain motionless, and then guarantee that the high pressure hose of being connected with the lower clutch is motionless, when realizing drilling tool (drilling rod) rotary cycle, can avoid the high pressure hose winding condition to appear, and then reduce interior safety risk.
(2) The upper joint of the rotary joint is integral, so that the bearing capacity is high, and the safety of the drilling tool is ensured.
(3) The rotary joint has the advantages of simple structure, light weight, small volume and convenient installation, can be quickly put into use after installation, establishes oil-gas circulation, and is convenient to carry, mount, dismount, maintain and store.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the rear structure of the installation state of the present invention.
In the figure: 1-an upper joint, 2-a sealing sleeve, 3-a support ring, 4-a V-shaped ring, 5-a compression ring, 6-a packing spare cap, 7-a tapered roller bearing, 8-a sealing ring, 9-an outer cylinder, 10-a diameter increasing sleeve, 11-a roller bearing, 12-a lip-shaped sealing ring, 13-a lower connecting sleeve, 14-a pin, 15-an oil seal spare cap, 16-a lower joint and 17-a grease nipple;
101-high pressure hose, 102-adapter, 103-drill pipe, 104-elevator, and 105-drill plate surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the rotary joint of the present invention comprises an upper joint 1, a sealing sleeve 2, a support ring 3, a V-shaped ring 4, a compression ring 5, a packing spare cap 6, a tapered roller bearing 7, a sealing ring 8, an outer cylinder 9, a diameter increasing sleeve 10, a roller bearing 11, a lip-shaped sealing ring 12, a lower connecting sleeve 13, a pin 14, an oil seal spare cap 15, a lower joint 16, and a grease nipple 17.
The lower joint 16 is in a step shape, the outer cylinder 9 is installed on the lower joint 16 through the tapered roller bearing 7 and the roller bearing 11, the roller bearing 7 is installed on the left side of the roller bearing 11, the roller bearing is positioned at the end part of the lower joint 16 through the shaft space of the lower joint 16, and the roller bearing is positioned in the middle of the lower joint 16 through the diameter increasing sleeve 10. A lower connecting sleeve 13 is arranged between the right end part of the outer cylinder 9 and a lower joint 16, and a lip-shaped sealing ring 12 and an oil seal spare cap 15 are arranged between the lower connecting sleeve 13 and the lower joint 16. The lip-shaped sealing ring 12 plays a role in sealing, and the oil seal spare cap 15 plays a role in pressing and sealing.
And a grease nozzle 17 is arranged on the lower connecting sleeve 13 at a position corresponding to the roller bearing 7. The grease nipple 17 is used to inject grease to lubricate the roller bearing.
The lower connecting sleeve 13 is fixedly connected with the outer cylinder 9 through a pin 14.
One end of the sealing sleeve 2 is arranged in a right-end central hole of the upper joint 1, the other end of the sealing sleeve 2 is arranged in a left-end central hole of the lower joint 16, a support ring 3, a V-shaped ring 4, a pressure ring 5 and a packing spare cap 6 are sequentially arranged between the sealing sleeve 2 and the upper joint 1 from left to right, and a sealing ring 8 is arranged between the sealing sleeve 6 and the lower joint 16. The support ring 3 plays a role in supporting and sealing, the V-shaped ring 4 and the pressure ring 5 play a role in sealing, and the packing spare cap 6 plays a role in compressing and sealing.
Preferably, the right end of the upper joint 1 is matched with the left end of the outer cylinder 9, and the right end of the upper joint 1 is arranged in a cavity of the left end of the outer cylinder 9.
The utility model discloses a working process:
when the device is used, firstly, the elevator 104 and the drill stem 103 are seated on the drilling disk surface 105, the upper joint 1 of the rotary joint is installed on the drill stem 103, then the high-pressure hose 101 is connected with the lower joint 16 of the rotary joint through the adapter 102, drilling fluid is introduced by using the high-pressure hose 101, the rotary disk is started, the elevator 104 and the drill stem 103 are driven to rotate, circulation is established, the drill stem 103 and the upper joint rotate synchronously, and the lower joint 16 and the high-pressure hose 101 can be kept still after the upper joint 1 and the lower joint 16 are separated by the roller bearing, so that the problem of winding of the high-pressure hose 101 is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (2)
1. The rotary joint comprises an upper joint, a sealing sleeve, a support ring, a V-shaped ring, a compression ring, a packing spare cap, a tapered roller bearing, a sealing ring, an outer cylinder, a diameter increasing sleeve, a roller bearing, a lip-shaped sealing ring, a lower connecting sleeve, a pin, an oil seal spare cap, a lower joint and a grease nipple, and is characterized in that the lower joint is in a step shape, the outer cylinder is arranged on the lower joint through the tapered roller bearing and the roller bearing, the roller bearing is arranged on the left side of the roller bearing and positioned at the end part of the lower joint through the shaft space of the lower joint, the roller bearing is positioned through the diameter increasing sleeve, the lower connecting sleeve is arranged between the right side end surface of the outer cylinder and the lower joint, the lip-shaped sealing ring and the oil seal spare cap are arranged between the lower connecting sleeve and the lower joint, the grease nipple is arranged on the position corresponding to the roller bearing, the lower connecting, the other end of the sealing sleeve is arranged in a left end central hole of the lower joint, a support ring, a V-shaped ring, a pressure ring and a packing spare cap are sequentially arranged between the sealing sleeve and the upper joint from left to right, and a sealing ring is arranged between the sealing sleeve and the lower joint.
2. A swivelling joint as claimed in claim 1, wherein the right end of the upper joint engages the left end of the outer barrel and the right end of the upper joint is mounted within the left end cavity of the outer barrel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021531468.0U CN213063506U (en) | 2020-07-29 | 2020-07-29 | Rotary joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021531468.0U CN213063506U (en) | 2020-07-29 | 2020-07-29 | Rotary joint |
Publications (1)
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CN213063506U true CN213063506U (en) | 2021-04-27 |
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Family Applications (1)
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CN202021531468.0U Active CN213063506U (en) | 2020-07-29 | 2020-07-29 | Rotary joint |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114991761A (en) * | 2022-05-17 | 2022-09-02 | 中煤科工集团西安研究院有限公司 | Multifunctional rotary conveyor for underground coal mine electric energy, signal and flushing fluid and method |
-
2020
- 2020-07-29 CN CN202021531468.0U patent/CN213063506U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114991761A (en) * | 2022-05-17 | 2022-09-02 | 中煤科工集团西安研究院有限公司 | Multifunctional rotary conveyor for underground coal mine electric energy, signal and flushing fluid and method |
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