CN114576260A - Large-angle compensation heavy-load suspension ball joint suitable for deep sea mining operation - Google Patents
Large-angle compensation heavy-load suspension ball joint suitable for deep sea mining operation Download PDFInfo
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- CN114576260A CN114576260A CN202011370467.7A CN202011370467A CN114576260A CN 114576260 A CN114576260 A CN 114576260A CN 202011370467 A CN202011370467 A CN 202011370467A CN 114576260 A CN114576260 A CN 114576260A
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- mining operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0604—Construction of the male part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0661—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the two co-operative parts each having both convex and concave interfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0666—Sealing means between the socket and the inner member shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0666—Sealing means between the socket and the inner member shaft
- F16C11/0676—Sealing means between the socket and the inner member shaft allowing operational relative movement of joint parts due to sliding between parts of the sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/068—Special features relating to lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B2021/003—Mooring or anchoring equipment, not otherwise provided for
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Joints Allowing Movement (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a large-angle compensation heavy-load suspension spherical joint suitable for deep-sea mining operation, which comprises an upper shell and a spherical lower joint which are coaxially sleeved together, wherein the upper shell is connected to a mining operation platform in a suspension manner, and the spherical lower joint is connected with an underwater hard pipe to connect an underwater system and the mining operation platform into a whole. The large-angle compensation heavy-load suspension ball joint is used as a flexible connecting device, can compensate the angular deviation of underwater equipment in ocean current during mining operation or danger avoidance, relieves the bending moment of a mining operation platform and the underwater equipment, avoids the bending damage of an underwater hard pipe, and ensures the safety of the equipment for mining operation.
Description
Technical Field
The invention relates to the technical field of deep sea mining, in particular to a large-angle compensation heavy-load suspension ball joint suitable for deep sea mining operation.
Background
Deep-sea mining engineering is a relatively complex system engineering which is mainly divided into a surface system and an underwater system. The water surface system mainly comprises a mining operation platform and a laying and recovering system; the underwater system mainly comprises an underwater hard pipe, an underwater relay station, a multi-stage lifting pump, a hose, a mining vehicle and the like. During actual mining operations, the underwater system is suspended above a water surface system, and under the influence of sea waves, ocean currents and other factors, the underwater system can shift to cause failure and damage of hard pipes, so that the whole mining engineering is adversely affected.
Therefore, the connection suspension equipment between the water surface system and the underwater system is an important ring in the mining system, and whether the connection suspension equipment can work safely and reliably is related to whether the whole mining engineering can be carried out smoothly. However, the research content in the country is less, and the problems in the mining operation cannot be effectively solved, so that a connecting device for a water surface system and an underwater system is needed to be designed, so that the connecting device can meet the heavy-load operation requirement of a deep sea mining system, and the large-angle offset compensation of the deep sea mining water surface system and the deep sea mining underwater system under the complex sea condition is met, so that the mining system can work safely and reliably, and the reliability and the safety of the whole deep sea mining engineering operation are improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the large-angle compensation heavy-load suspension ball joint suitable for the deep sea mining operation, the ball joint can meet the requirement of the heavy-load suspension operation of a deep sea mining system, and the large-angle offset compensation of a deep sea mining water surface and an underwater system under the complex sea condition can be met.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a wide-angle compensation heavy load hangs ball joint suitable for in deep sea mining operation, establishes last casing and ball lower clutch including coaxial cover together, the inside of going up the casing is equipped with mends the core, the bottom threaded connection who goes up the casing has the fixed plate, fixed mounting has ball type seat on the fixed plate, the ball type face of ball type seat with the ectosphere of ball lower clutch cooperatees, the interior sphere of ball lower clutch with the ectosphere of mending the core cooperatees, makes ball lower clutch can be in under the exogenic action swing or rotate in going up the casing.
In the technical scheme, the bushing core is composed of a vertical section and a spherical section which are of an integrated structure, a spring is sleeved on the outer circumference of the vertical section, the outer spherical surface of the spherical section is matched with the inner spherical surface of the spherical lower joint, and a spherical sealing element is arranged between the outer spherical surface of the spherical section and the inner spherical surface of the spherical lower joint.
Among the above-mentioned technical scheme, go up the casing and constitute by first upper end, first connecting portion and first lower extreme, first upper end is the flange structure, be used for with the joint hangs on the mining operation platform of surface of water system, be equipped with the recess on the lower part inside wall of first connecting portion, the upper end of mending the core vertical section is inserted in the recess, just the part that lies in the recess on the mending the core vertical section is equipped with axial seal spare, first lower extreme is the tubular structure, the ball-type end and the ball-type seat setting of mending core, ball-type lower clutch are in the tubular structure of first lower extreme.
Further, the spherical lower joint is composed of a second upper end portion, a second connecting portion and a second lower end portion, the second upper end portion is a spherical end, and the end face of the second lower end portion is connected with the underwater conveying hard pipe flange.
A spherical sliding plate is arranged between the outer spherical surface of the second upper end portion and the spherical surface of the spherical seat, the spherical sliding plate is made of a polytetrafluoroethylene interlayer sliding plate, and the spherical seat has the advantages of being good in self-lubricating effect and high in bearing capacity.
In addition, the side surface of the inner ring of the fixed plate is provided with a buffer rubber layer which can limit the maximum swing angle of the ball joint.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a large-angle compensation heavy-load suspension spherical joint which is suitable for the working condition of heavy-load mining in deep sea. The large-angle compensation heavy-load suspension ball joint provided by the invention is used as a flexible connecting device, can compensate the angle deviation of underwater equipment under the influence of ocean currents during mining operation or danger avoidance, can relieve the bending moment of a mining operation platform and the underwater equipment, avoids the bending damage of an underwater hard pipe, and ensures the equipment safety of the mining operation. The method has the following beneficial effects:
1. according to the spherical joint, the spherical lower joint can rotate or swing in any direction in the upper shell through the matching of the inner spherical surface of the spherical lower joint and the outer spherical surface of the bushing and the matching of the outer spherical surface of the spherical lower joint and the spherical surface of the spherical seat, the situation that a hard pipe is damaged due to possible deviation under the influence of factors such as sea waves, ocean currents and the like can be avoided, and the mining operation requirements under different marine environments can be met;
2. according to the spherical joint, the outer spherical surface of the spherical lower joint is a stainless steel processing spherical surface, and is matched with a spherical sliding plate manufactured by a polytetrafluoroethylene interlayer sliding plate, so that the spherical joint has the characteristics of small friction coefficient and high bearing capacity, and the requirements of flexible rotation and swinging under the heavy load condition can be met;
3. according to the spherical joint, the axial sealing element is arranged between the complementary core and the upper shell, and the spherical sealing element is arranged between the outer spherical surface of the complementary core and the inner spherical surface of the spherical lower joint, so that the internal part of the spherical joint can meet the conveying requirement of ore pulp in mining operation under the pre-pressure action of the complementary core and the spring;
4. the ball joint has the advantages of strong integral bearing capacity, simple and reliable mechanical structure and convenient maintenance.
Drawings
Fig. 1 is a sectional view showing the overall structure of the ball joint according to the present invention.
FIG. 2 is a cross-sectional view of the ball joint of the present invention during angular compensation.
Shown in the figure:
1-upper shell, 1.1-first upper end, 1.2-first connecting part, 1.3-first lower end, 2-bushing, 3-spring, 4-spherical lower joint, 4.1-second upper end, 4.2-second connecting part, 4.3-second lower end, 5-spherical sliding plate, 6-spherical seat, 7-fixing plate, 8-axial sealing element, 9-spherical sealing element, 10-connecting bolt, 11-nut and 12-buffer rubber layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides a large angle compensating heavy duty suspension ball joint suitable for use in deep sea mining operations, is used for connecting a water surface system and an underwater system, can meet the requirement of large-angle offset compensation of deep-sea mining under complex sea conditions, the joint comprises an upper shell 1 and a spherical lower joint 4 which are coaxially sleeved together, a bushing 2 is arranged in the upper shell 1, the bottom of the upper shell 1 is fixedly connected with a fixing plate 7 through a connecting bolt 10 and a nut 11, a spherical seat 6 is fixedly arranged on the fixed plate 7, the spherical surface of the spherical seat 6 is matched with the outer spherical surface of the spherical lower joint 4, the inner spherical surface of the spherical lower joint 4 is matched with the outer spherical surface of the bushing 2, so that the spherical lower joint 4 can swing or rotate in the upper shell 1 under the action of external force, and the large-angle offset compensation function of the joint is realized.
Specifically, the bushing 2 is composed of a vertical section and a spherical section which are of an integral structure, a spring 3 is sleeved on the outer circumference of the vertical section, the spherical surface of the bushing 2 compresses the inner spherical surface of the spherical lower joint 4 under the action of the spring 3, and the upper end of the vertical end of the bushing 2 is inserted into the upper shell 1;
go up casing 1 and constitute by first upper end 1.1, first connecting portion 1.2 and first lower extreme 1.3, first upper end 1.1 is the flange structure, be used for with the joint hangs on the mining operation platform of surface of water system, be equipped with the recess on the lower part inside wall of first connecting portion 1.2, the upper end of mending 2 vertical segments of core is inserted in the recess, just it is equipped with axial seal 8 to mend the part that lies in the recess on 2 vertical segments of core, first lower extreme 1.3 is the tubular structure, mend the spherical end and the spherical seat 6 setting of core 2, spherical lower extreme 4 in the tubular structure of first lower extreme 1.3.
Furthermore, the outer spherical surface of the spherical section of the bushing 2 is matched with the inner spherical surface of the spherical lower joint 4, a spherical sealing element 9 is arranged between the outer spherical surface of the spherical section and the inner spherical surface of the spherical lower joint 4, and an axial sealing element 8 is arranged between the bushing 2 and the upper shell 1, so that the overall sealing performance of the whole spherical joint can be ensured.
Specifically, the spherical lower joint 4 is composed of a second upper end portion 4.1, a second connecting portion 4.2 and a second lower end portion 4.3, the second upper end portion 4.1 is a spherical end, and the end face of the second lower end portion 4.3 is connected with an underwater conveying hard pipe flange.
Further, go up casing 1 with ball-type lower clutch 4 is integrated into one piece structure, just go up casing 1 and ball-type lower clutch 4 and be with the latus rectum flange, satisfy deep sea mining underwater equipment connection requirement.
Specifically, the second upper end portion 4.1 is of a spherical structure, and the outer spherical surface of the second upper end portion is a stainless steel processing spherical surface, so that the second upper end portion has the advantage of small friction coefficient; a spherical sliding plate 5 is arranged between the outer spherical surface of the second upper end portion 4.1 and the spherical surface of the spherical seat 6, the spherical sliding plate 5 is made of a polytetrafluoroethylene interlayer sliding plate, and the spherical sliding plate and the stainless steel spherical surface of the second upper end portion 4.1 are matched to have the advantages of good self-lubricating effect and high bearing capacity.
Specifically, the buffer rubber layer 12 is arranged on the side face of the inner ring of the fixed plate 7, so that the maximum swing angle of the ball joint can be limited.
When the ball joint is implemented specifically, the ball joint is mainly used for compensating large-angle offset of an underwater system under a complex sea condition aiming at the condition that the underwater system is influenced by sea waves and ocean currents and is likely to offset; the state when the angle compensation is performed is as shown in fig. 2, the spherical end (second upper end portion 4.1) of the spherical lower joint 4 is matched with the outer spherical surface of the bushing 2 due to the fact that the inner spherical surface of the spherical end is matched with the outer spherical surface of the bushing 2, and the outer spherical surface of the spherical end is matched with the spherical sliding plate 5 arranged on the spherical seat 6, so that the spherical lower joint 4 can rotate or swing at any angle in the upper shell 1 to adapt to the shaking of the underwater hard pipe under the action of external force, the large-angle compensation function is realized, and the hard pipe is prevented from being damaged.
In conclusion, the large-angle compensation heavy-load suspension spherical joint suitable for deep sea mining operation is provided, the upper shell 1 is connected and suspended on a water surface system mining operation platform, the spherical lower joint 4 is connected with an underwater conveying hard pipe flange, and the underwater system and the water surface mining operation platform are connected into a whole. In the deep sea mining engineering, when the underwater system is influenced by sea waves and ocean currents and has large angle deviation relative to a mining operation platform of a water surface system, and the safety of the mining operation is influenced, the large-angle compensation heavy-load suspension ball joint can be lowered, the underwater system is connected and suspended on the mining operation platform of the water surface system, the heavy-load suspension operation requirement of the deep sea mining system can be met, the large-angle deviation between the deep sea mining water surface and the underwater system under the complex sea condition can be compensated, and the reliability and the safety of the deep sea mining engineering operation are guaranteed.
The parts not described in the specification are prior art or common general knowledge. The present embodiments are illustrative only and not intended to limit the scope of the present invention, and modifications and equivalents thereof by those skilled in the art are considered to fall within the scope of the present invention as set forth in the claims.
Claims (6)
1. The utility model provides a wide-angle compensation heavy load hangs ball-type joint suitable for in deep sea mining operation which characterized in that: the spherical shell comprises an upper shell body (1) and a spherical lower joint (4) which are coaxially sleeved together, wherein a bushing (2) is arranged inside the upper shell body (1), a fixing plate (7) is connected to the bottom of the upper shell body (1) in a threaded manner, a spherical seat (6) is fixedly mounted on the fixing plate (7), the spherical surface of the spherical seat (6) is matched with the outer spherical surface of the spherical lower joint (4), the inner spherical surface of the spherical lower joint (4) is matched with the outer spherical surface of the bushing (2), and the spherical lower joint (4) can swing or rotate in the upper shell body (1) under the action of external force.
2. A large angle compensating heavy duty suspension ball joint adapted for use in deep sea mining operations as claimed in claim 1 wherein: the bushing (2) is composed of a vertical section and a spherical section which are of an integral structure, a spring (3) is sleeved on the outer circumference of the vertical section, the outer spherical surface of the spherical section is matched with the inner spherical surface of the spherical lower joint (4), and a spherical sealing element (9) is arranged between the outer spherical surface of the spherical section and the inner spherical surface of the spherical lower joint (4).
3. A large angle compensating heavy duty suspension ball joint adapted for use in deep sea mining operations as claimed in claim 2, wherein: go up casing (1) by first upper end (1.1), first connecting portion (1.2) and first lower extreme (1.3) constitute, first upper end (1.1) are flange structure, be used for with the joint hangs on the mining operation platform of surface of water system, be equipped with the recess on the lower part inside wall of first connecting portion (1.2), the upper end of mending core (2) vertical section inserts in the recess, just it is equipped with axial seal spare (8) to mend the part that lies in the recess on core (2) vertical section, first lower extreme (1.3) are the tubular structure, the ball-type end and the ball type seat (6) of mending core (2), ball-type lower joint (4) set up in the tubular structure of first lower extreme (1.3).
4. A large angle compensating heavy duty suspension ball joint adapted for use in deep sea mining operations as claimed in claim 1 wherein: the spherical lower joint (4) is composed of a second upper end part (4.1), a second connecting part (4.2) and a second lower end part (4.3), the second upper end part (4.1) is a spherical end, and the end face of the second lower end part (4.3) is connected with an underwater conveying hard pipe flange.
5. A large angle compensating heavy duty suspension ball joint adapted for use in deep sea mining operations as claimed in claim 4, wherein: a spherical sliding plate (5) is arranged between the outer spherical surface of the second upper end part (4.1) and the spherical surface of the spherical seat (6), and the spherical sliding plate (5) is made of a polytetrafluoroethylene interlayer sliding plate.
6. A large angle compensating heavy duty suspension ball joint adapted for use in deep sea mining operations as claimed in claim 1 wherein: and a buffer rubber layer (12) is arranged on the side surface of the inner ring of the fixed plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370467.7A CN114576260A (en) | 2020-11-30 | 2020-11-30 | Large-angle compensation heavy-load suspension ball joint suitable for deep sea mining operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370467.7A CN114576260A (en) | 2020-11-30 | 2020-11-30 | Large-angle compensation heavy-load suspension ball joint suitable for deep sea mining operation |
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| Publication Number | Publication Date |
|---|---|
| CN114576260A true CN114576260A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011370467.7A Pending CN114576260A (en) | 2020-11-30 | 2020-11-30 | Large-angle compensation heavy-load suspension ball joint suitable for deep sea mining operation |
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| Country | Link |
|---|---|
| CN (1) | CN114576260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115890179A (en) * | 2022-11-21 | 2023-04-04 | 成都环泰睿诚科技有限公司 | Self-adaptive mounting fixing pin device for aero-engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207921116U (en) * | 2018-03-20 | 2018-09-28 | 池香娥 | A kind of whole spherical plain bearing rod end equipped with lubricating sleeve and flange seat |
| CN210829113U (en) * | 2019-08-26 | 2020-06-23 | 宝鸡石油机械有限责任公司 | Ball joint for ocean mining riser |
-
2020
- 2020-11-30 CN CN202011370467.7A patent/CN114576260A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207921116U (en) * | 2018-03-20 | 2018-09-28 | 池香娥 | A kind of whole spherical plain bearing rod end equipped with lubricating sleeve and flange seat |
| CN210829113U (en) * | 2019-08-26 | 2020-06-23 | 宝鸡石油机械有限责任公司 | Ball joint for ocean mining riser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115890179A (en) * | 2022-11-21 | 2023-04-04 | 成都环泰睿诚科技有限公司 | Self-adaptive mounting fixing pin device for aero-engine |
| CN115890179B (en) * | 2022-11-21 | 2023-09-26 | 成都环泰睿诚科技有限公司 | Self-adaptive fixing pin installation device for aero-engine |
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Application publication date: 20220603 |