CN214771777U - LNG unloads cantilever rotary joint repair tools - Google Patents
LNG unloads cantilever rotary joint repair tools Download PDFInfo
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- CN214771777U CN214771777U CN202120690623.1U CN202120690623U CN214771777U CN 214771777 U CN214771777 U CN 214771777U CN 202120690623 U CN202120690623 U CN 202120690623U CN 214771777 U CN214771777 U CN 214771777U
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Abstract
The utility model discloses a maintenance tool for a rotary joint of an LNG discharging arm, which comprises a cross-shaped bracket body for supporting and fixing the rotary joint; the fixing frame is composed of two fixed rods symmetrically arranged on the upper surface of the bracket body; the disassembling frame comprises a cross beam and telescopic rods positioned at two ends of the cross beam, the telescopic rods of the disassembling frame can be correspondingly inserted into the fixed rods, the fixed rods and the telescopic rods are respectively provided with adjusting holes, and bolts are inserted into the adjusting holes after the telescopic rods are inserted into the fixed rods; four ends of the bracket body are respectively provided with a stand column, and the bottom of the stand column is provided with an adjusting bolt. The utility model discloses a fixed cross support body and dismantlement frame provide respectively the fixed position of dismantling the rotary joint outer lane and the dismantlement position of separating the inner and outer lane of rotary joint, realize unloading arm rotary joint safety and disassemble the maintenance and return the dress fast, have avoided the risk of equipment body and sealed face destruction, have improved the reliability in the maintenance process, have greatly improved work efficiency.
Description
Technical Field
The utility model relates to a LNG unloads material arm rotary joint repair tools.
Background
The LNG unloading arm is a loading and unloading device, and when an LNG ship arrives at an LNG receiving station wharf, the LNG is conveyed to a storage tank of the receiving station through the liquid-phase unloading arm and an unloading pipeline by virtue of an unloading pump on the ship. When the discharge arm reaches the operating cycle, the rotary joint on the arm needs to be overhauled. The rotary joint comprises a rotary joint inner ring, a rotary joint outer ring, a track inner ring, a ball and a track outer ring which are sequentially arranged between the rotary joint inner ring and the outer ring from inside to outside, ball plugs on the rotary joint inner ring and the rotary joint outer ring, a flood plug sealing ring between the rotary joint inner ring and the rotary joint outer ring, and a plurality of bolt holes are formed in the end surfaces of the rotary joint inner ring and the rotary joint outer ring.
When the rotary joint is sealed and leaks or ball abrasion and raceway extension deformation occur, the conventional maintenance method is a traditional 'live-pulling hard-pulling' maintenance mode by utilizing a cross puller, a chain block hoisting and the like, the maintenance of the rotary joint cannot be normally completed, the maintenance period is long, and the body and the sealing surface of the rotary joint are easily damaged in the maintenance process.
Therefore, provide a discharge arm rotary joint maintenance device, can realize conveniently and swiftly that discharge arm rotary joint disassembles the maintenance safely and returns the dress fast, the problem that the field awaits a urgent need to solve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a technical problem such as is difficult to dismantle appears leaking or track inner and outer lane extension deformation to unloading arm process pipeline rotary joint, according to rotary joint overall dimension and structural feature, provides a LNG unloading arm rotary joint maintenance device, can realize unloading arm rotary joint's safety disassembling maintenance and quick repacking in convenient and fast ground.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a maintenance tool for a rotary joint of an LNG discharging arm comprises a cross-shaped bracket body 1 for supporting and fixing the rotary joint; the fixing frame is arranged at the top of the support body 1 and consists of two fixing rods 2 symmetrically arranged on the upper surface of the support body 1, and the fixing frame is used for fixing the rotary joint when the ball is removed; the disassembly frame comprises a cross beam 3 and telescopic rods 4 positioned at two ends of the cross beam 3, the disassembly frame is used for providing connection support when separating the inner ring of the rotary joint from the outer ring of the rotary joint, and the telescopic rods 4 of the disassembly frame can be correspondingly inserted into the fixed rod 2; four ends of the bracket body 1 are respectively provided with an upright post 5.
The support body 1 comprises a support beam 9 and support rods 10 centrally fixed on two sides of the support beam 9, the length of the support beam 9 and the total length of the support rods 10 only need to exceed the diameter of a rotary joint, and the length of the support beam 9 and the length of the support rods 10 can be adjusted by a person skilled in the art according to actual use requirements. Specifically, the supporting beam 9 is selected from channel steel, and is further selected from C10 channel steel, and the notch of the channel steel is downward; the support rod 10 is selected from a square tube.
The support beam 9 of the support body 1 is provided with bolt holes 11 corresponding to the bolt holes of the outer ring of the rotary joint, and the support body 1 is connected with the outer ring of the rotary joint through bolts so as to fix the rotary joint.
Preferably, the bolt holes 11 on the bracket body 1 correspond to two bolt holes of the outer ring of the rotary joint through a central point.
The fixing rod 2 is selected from a square tube.
The cross beam 3 is selected from channel steel, and further selected from C5 channel steel, the notch of the channel steel is downward, and the top end of the telescopic rod 4 is fixed in the groove of the cross beam 3; the telescopic rod 4 is selected from a square tube.
The bottom of the upright post 5 is provided with an adjusting bolt 6, the inclination direction of the rotary joint can be adjusted through the adjusting bolt, and the ball is convenient to install or take out.
Preferably, the upright post 5 is of a hollow structure, so that an adjusting bolt can extend into the upright post conveniently; specifically, the upright post 5 can be a seamless steel tube. Further preferably, a nut 7 matched with the adjusting bolt 6 is arranged at the bottom end of the upright post 5, or threads matched with the adjusting bolt 6 are arranged on the inner wall of the upright post 5 to realize threaded fixation between the adjusting bolt and the upright post.
The LNG unloading arm rotary joint maintenance tool further comprises a driving device, and the driving device comprises a jack 12, a thrust bearing 13 and a rotary supporting rod 14. The utility model discloses drive arrangement takes activity package assembly, and jack, thrust bearing and rotation support pole's mounting means are the conventional mode that technical personnel in the field are familiar with. When the rotary joint is maintained, the rotary supporting rod 14, the thrust bearing 13 and the jack 12 are sequentially placed on the inner ring of the rotary joint from bottom to top, the thrust bearing 13 is used for connecting the jack 12 and the rotary supporting rod 14, the fixed frame and the dismounting frame provide supporting force for the jack, and the inner ring of the rotary joint is extruded through the driving device.
The utility model has the advantages that:
use the utility model discloses LNG unloads material arm rotary joint repair tools fixes rotary joint on cross support body earlier, exerts pressure through drive arrangement rotary joint inner circle, after taking off the ball stopper, demolishs the ball one by one, progressively demolishs rotary joint's interior outer lane and track interior outer lane, accomplishes rotary joint's whole disintegration. Use the utility model discloses LNG unloads arm rotary joint repair tools, according to the reverse operation of dismantling rotary joint, can assemble the rotary joint after the disintegration equally.
The utility model discloses LNG unloading arm rotary joint repair tools provides the fixed position of dismantling the rotary joint outer lane and the dismantlement position of separating the inner and outer lane of rotary joint respectively through fixed cross support body and dismantlement frame to convenient and fast ground realizes unloading arm rotary joint safety and disassembles maintenance and quick repacking, because drive arrangement to rotary joint atress of exerting pressure evenly, has avoided the risk of equipment body and sealed face destruction, has improved the reliability in the maintenance process, has greatly improved work efficiency.
Drawings
Figure 1 is the utility model discloses LNG unloads material arm rotary joint repair tools's schematic structure diagram.
Fig. 2 is the utility model discloses LNG unloading arm rotary joint repair tools's support body's schematic diagram.
Figure 3 is the utility model discloses LNG unloading arm rotary joint repair tools's side view.
In the figure, 1-a bracket body, 2-a fixed rod, 3-a cross beam, 4-a telescopic rod, 5-an upright post, 6-an adjusting bolt, 7-a nut, 8-an adjusting hole, 9-a supporting beam, 10-a supporting rod, 11-a bolt hole, 12-a jack, 13-a thrust bearing, 14-a rotary supporting rod and 15-a rotary joint.
Detailed Description
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-3, a maintenance tool for a rotary joint of an LNG unloading arm comprises a cross-shaped support body 1 for supporting and fixing the rotary joint, a fixing frame, a disassembling frame and a driving device, wherein the fixing frame, the disassembling frame and the driving device are arranged at the top of the support body 1.
The support body 1 comprises a support beam 9 and support rods 10 which are centrally fixed on two sides of the support beam 9; four ends of the support body 1 are respectively provided with an upright post 5 with a hollow structure, the top end of the upright post 5 is fixed in a groove of a support beam 9, the bottom of the upright post 5 is provided with an adjusting bolt 6, the bottom end of the upright post 5 is provided with a nut 7 matched with the adjusting bolt 6, the adjusting bolt 6 extends into the upright post 5 and then is in threaded fixation with the nut 7, the adjusting bolt 6 can be used for realizing the adjustment of the inclined direction of the rotary joint, and the ball is convenient to install or take out; the bracket body 1 is provided with two bolt holes 11 corresponding to the two bolt holes of the outer ring of the rotary joint through the central point symmetry, so that the maintenance tool is connected with the outer ring of the rotary joint through the bolts.
The fixing frame consists of two fixing rods 2 symmetrically arranged on the upper surface of the bracket body 1 and is used for fixing the rotary joint when the ball is dismounted; the disassembly frame comprises a cross beam 3 and telescopic rods 4 positioned at two ends of the cross beam 3, the disassembly frame is used for providing connection support when separating an inner ring of the rotary joint from an outer ring of the rotary joint, the top ends of the telescopic rods 4 of the disassembly frame are fixed in the grooves of the cross beam 3, and the lower ends of the telescopic rods 4 can be correspondingly inserted into the fixed rods 2; dead lever 2, telescopic link 4 be equipped with regulation hole 8 respectively, the interval of two adjacent regulation holes 8 in the vertical direction is 80mm, telescopic link 4 inserts dead lever 2 back, through inserting the bolt fastening toward regulation hole 8, adjust the height between support body 1 and the crossbeam 3 of dismantling the frame through the regulation hole.
Specifically, the support beam 9 is selected from a C10 channel steel, and the notch of the channel steel faces downwards; the support rod 10 is selected from a square tube; the beam 3 is selected from C5 channel steel, and the notch of the channel steel faces downwards; the telescopic rod 4 is selected from a square tube.
The driving device comprises a jack 12, a thrust bearing 13 and a rotary supporting rod 14, the driving device adopts a movable assembly structure, when the rotary joint is maintained, the rotary supporting rod 14, the thrust bearing 13 and the jack 12 are sequentially placed on an inner ring of a rotary joint 15 from bottom to top, the thrust bearing 13 is connected with the jack 12 and the rotary supporting rod 14, the fixed frame and the dismounting frame provide supporting force for the jack, and the inner ring of the rotary joint is extruded through the driving device.
The fixing frame on the cross-shaped fixing support body of the LNG discharging arm rotary joint maintenance tool is used for fixing the rotary joint when the ball is dismounted; the disassembly frame is fixedly connected to the cross-shaped fixed support body through bolts and used for providing connection support when separating the inner ring of the rotary joint from the outer ring of the rotary joint; the jack of the driving device provides supporting force to extrude the inner ring of the rotary joint through the disassembling frame, the rotary supporting rod of the driving device is utilized to ensure that the rotary joint is uniformly stressed when the rotary joint is disassembled, the sealing surface of the rotary joint body is protected from being damaged, and the maintenance time is greatly shortened. When the abrasion of the balls and the raceways of the rotary joint is serious, the rotary joint is fixed on the cross-shaped support body, the rotary support rod is fixed, the inner ring of the rotary joint is pressed through the driving device, so that the main sealing elastic force is overcome, the rotary support rod is pushed to drive the inner ring of the rotary joint to rotate, the jack is not moved, the track can be opened, the balls are removed one by one after the ball plug is taken down, the inner ring and the outer ring of the rotary joint and the inner ring and the outer ring of the track are removed step by step, and the whole disassembly of the rotary joint is completed. Likewise, the maintenance device can also assemble the disassembled rotary joint in reverse operation of disassembling the rotary joint.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a LNG unloading arm rotary joint repair tools which characterized in that: comprises a cross-shaped bracket body (1) for supporting and fixing a rotary joint; the fixing frame and the disassembling frame are arranged at the top of the bracket body (1), and the fixing frame is composed of two fixing rods (2) symmetrically arranged on the upper surface of the bracket body (1); the disassembly frame comprises a cross beam (3) and telescopic rods (4) positioned at two ends of the cross beam (3), and the telescopic rods (4) of the disassembly frame can be correspondingly inserted into the fixing rods (2); four ends of the bracket body (1) are respectively provided with an upright post (5).
2. The LNG discharge arm swivel joint servicing tool of claim 1, characterized in that: the support body (1) comprises a support beam (9) and support rods (10) which are centrally fixed on two sides of the support beam (9).
3. The LNG discharge arm swivel joint servicing tool of claim 2, characterized in that: the supporting beam (9) is a channel steel, and a notch of the channel steel faces downwards; the support rod (10) is a square tube.
4. The LNG discharge arm swivel joint servicing tool of claim 2, characterized in that: the support beam (9) of the support body (1) is provided with bolt holes (11) corresponding to the bolt holes of the outer ring of the rotary joint, and the support body (1) is connected with the outer ring of the rotary joint through bolts so as to fix the rotary joint.
5. The LNG discharge arm swivel joint servicing tool of claim 4, characterized in that: bolt holes (11) on the bracket body (1) correspond to two bolt holes of the outer ring of the rotary joint through central point symmetry.
6. The LNG discharge arm swivel joint servicing tool of claim 1, characterized in that: the fixing rod (2) is selected from a square tube; the cross beam (3) is selected from channel steel, the notch of the channel steel faces downwards, and the top end of the telescopic rod (4) is fixed in the groove of the cross beam (3); the telescopic rod (4) is selected from a square tube.
7. The LNG discharge arm swivel joint servicing tool of claim 1, characterized in that: the fixing rod (2) and the telescopic rod (4) are respectively provided with an adjusting hole (8), and after the telescopic rod (4) is inserted into the fixing rod (2), a bolt is inserted into the adjusting hole (8).
8. The LNG discharge arm swivel joint servicing tool of claim 1, characterized in that: and an adjusting bolt (6) is arranged at the bottom of the upright post (5).
9. The LNG discharge arm swivel joint servicing tool of claim 8, characterized in that: the bottom end of the upright post (5) is provided with a nut (7) matched with the adjusting bolt (6), or the inner wall of the upright post (5) is provided with a thread matched with the adjusting bolt (6).
10. The LNG discharge arm swivel joint servicing tool of claim 1, characterized in that: LNG unloading arm rotary joint repair tools still include drive arrangement, drive arrangement include jack (12), thrust bearing (13) and runing rest (14), during the maintenance rotary joint, place runing rest (14), thrust bearing (13), jack (12) on the runing rest inner circle from bottom to top in proper order, connect jack (12) and runing rest (14) by thrust bearing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120690623.1U CN214771777U (en) | 2021-04-06 | 2021-04-06 | LNG unloads cantilever rotary joint repair tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120690623.1U CN214771777U (en) | 2021-04-06 | 2021-04-06 | LNG unloads cantilever rotary joint repair tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214771777U true CN214771777U (en) | 2021-11-19 |
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ID=78669466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120690623.1U Active CN214771777U (en) | 2021-04-06 | 2021-04-06 | LNG unloads cantilever rotary joint repair tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214771777U (en) |
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2021
- 2021-04-06 CN CN202120690623.1U patent/CN214771777U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: No. 22, Chaoyangmen street, Chaoyang District, Beijing 100020 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC TIANJIN LIQUEFACTION NATURAL GAS CO.,LTD. Address before: 300457 1-1101, building 2, Longtai Plaza, the intersection of the second street of Tianjin Development Zone and Xincheng East Road, Binhai New Area, Tianjin Patentee before: SINOPEC TIANJIN LIQUEFACTION NATURAL GAS CO.,LTD. |
|
| TR01 | Transfer of patent right |