CN117340850B - Auxiliary device for maintaining ship engine - Google Patents

Auxiliary device for maintaining ship engine Download PDF

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Publication number
CN117340850B
CN117340850B CN202311388639.7A CN202311388639A CN117340850B CN 117340850 B CN117340850 B CN 117340850B CN 202311388639 A CN202311388639 A CN 202311388639A CN 117340850 B CN117340850 B CN 117340850B
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CN
China
Prior art keywords
engine
mounting
rotating ring
supporting
ring
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CN202311388639.7A
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Chinese (zh)
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CN117340850A (en
Inventor
黄成琦
黄成刚
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Guangzhou Sancheng Technology Co ltd
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Guangzhou Sancheng Technology Co ltd
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Priority to CN202311388639.7A priority Critical patent/CN117340850B/en
Publication of CN117340850A publication Critical patent/CN117340850A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B81/00Repairing or maintaining vessels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/10Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/14Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
    • B25H1/16Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height

Abstract

The invention discloses an auxiliary device for maintaining a ship engine, which relates to the technical field of engine maintenance equipment and comprises a base, wherein a support frame, a rotating ring, a speed reduction adjusting assembly, an elevation angle adjusting assembly and a support assembly are arranged on the base; the number of the supporting frames is two, and the tops of the two supporting frames are provided with coaxially arranged mounting rings; the rotating ring is of a columnar hollow structure, the rotating ring is rotatably arranged between the two mounting rings, and an out-of-control self-locking structure is arranged between the rotating ring and the mounting rings; the speed reduction adjusting assembly is used for supporting the engine and controlling the circumferential angle of the engine; the elevation angle adjusting component is used for controlling the rotation of the rotating ring and adjusting the installation elevation angle of the engine. The invention utilizes the matching of the worm wheel and the worm to freely control the angle of the installation shaft, is beneficial to inspection and maintenance, and can be more convenient for maintenance personnel to observe and inspect the engine so as to determine the specific position and property of the problem, thereby being beneficial to improving the maintenance efficiency and accuracy.

Description

Auxiliary device for maintaining ship engine
Technical Field
The invention relates to the technical field of engine maintenance equipment, in particular to an auxiliary device for maintaining a ship engine.
Background
The ship engine is used as a power device for ship navigation, the assembly and maintenance quality of the ship engine is an important foundation for guaranteeing the safe navigation of the ship, and in order to efficiently and reliably assemble and maintain the ship engine, the maintenance operation workbench of the ship engine is particularly important as a maintenance auxiliary device of the ship engine.
At present, when the ship engine is disassembled, assembled and maintained, the engine is mostly placed on a workbench for maintenance, the workbench can only play a role in supporting the ship engine, the ship engine is not effectively fixed, after the engine is placed, the engine position is difficult to move, and when the engine is maintained, the engine is inconvenient to move and overturn, so that the engine is inconvenient to carry out omnibearing maintenance.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when an engine is maintained, a workbench only can play a role in supporting a ship engine, the engine is not effectively fixed, the engine position is difficult to move and the engine is inconvenient to overhaul in an omnibearing way, and provides an auxiliary device for maintaining the ship engine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an auxiliary device is used in maintenance of boats and ships engine, includes the base, be equipped with on the base:
the number of the supporting frames is two, and the tops of the two supporting frames are provided with coaxially arranged mounting rings;
the rotating ring is of a columnar hollow structure, the rotating ring is rotatably arranged between the two mounting rings, and an out-of-control self-locking structure is arranged between the rotating ring and the mounting rings;
the speed reduction adjusting assembly is used for supporting the engine and controlling the circumferential angle of the engine, and comprises a mounting shell fixedly arranged in a rotating ring, a mounting shaft which is arranged along the radial direction of the rotating ring is rotatably arranged in the mounting shell, a worm wheel is coaxially and fixedly connected with the mounting shaft, a mounting plate for fixing the engine is arranged at the end part of the mounting shaft, a worm meshed with the worm wheel is rotatably arranged in the mounting shell, and a rocker is fixedly connected with the part of the worm, which exceeds the mounting shell;
and the elevation angle adjusting assembly is used for controlling the rotation of the rotating ring and adjusting the installation elevation angle of the engine.
Preferably, the inner wall of the mounting ring is provided with a limiting convex ring, and the outer circumferential surface of the rotating ring is provided with a limiting groove matched with the limiting convex ring.
Preferably, the out-of-control self-locking structure comprises a plurality of supporting plates fixedly arranged in a limiting groove, wherein the supporting plates are in arc-shaped arrangement, the convex surfaces of the supporting plates are close to the limiting convex rings, positioning holes are formed in the tops of the supporting plates, lubrication balls are arranged in the supporting plates, and the lubrication balls penetrate through the positioning holes and abut against the inner walls of the limiting convex rings.
Preferably, the rotating ring is provided with a supporting hole coaxially arranged with the mounting shaft, and the mounting shaft penetrates through the supporting hole and is rotationally connected with the supporting hole.
Preferably, bearings are arranged between the mounting shaft and the worm and the mounting housing.
Preferably, the mounting plate is provided with a mounting opening, and the mounting opening is in a strip shape.
Preferably, the elevation angle adjusting assembly comprises a supporting rod fixedly arranged on the base, a threaded rod is arranged on the supporting rod in a penetrating mode, a movable connection structure is arranged on the top end of the threaded rod and the mounting shaft, and an adjusting hand wheel is connected with the bottom end of the threaded rod in a threaded mode.
Preferably, the movable connection structure comprises a connection ring which is arranged on one side, far away from the mounting plate, of the mounting shaft in a sliding manner, a U-shaped connection block is fixedly arranged at the top end of the threaded rod, and the U-shaped connection block is clamped into the connection ring and is rotationally connected with the connection ring.
Preferably, still including setting up in the supporting component of mounting panel below, supporting component sets up the front side at the support frame for go up and down the height of engine, the dismouting between engine and the mounting panel of being convenient for, supporting component is including fixing the pneumatic cylinder that sets up on the base, the flexible end of pneumatic cylinder is fixed and is provided with the tray, the fixed many locating levers that are provided with in tray bottom, locating lever and base sliding connection.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, through the speed reduction adjusting assembly, the angle of the installation shaft is freely controlled by utilizing the matching of the worm wheel and the worm, so that the inspection and maintenance are facilitated, and through freely rotating the engine, maintenance personnel can more conveniently observe and inspect each part and the connection point of the engine to determine the specific position and property of the problem, and the maintenance efficiency and accuracy are facilitated to be improved; certain components of the engine may need to be repositioned or coordinated with other components to ensure proper operation of the engine, and maintenance personnel may more conveniently perform these adjustments by freely rotating the engine to achieve optimal operating conditions.
2. According to the invention, the elevation angle adjusting assembly is arranged, and the elevation angle is adjusted when the engine is fixed, so that the position of the engine can be adjusted according to the height of a maintainer, the maintenance position of the engine is fully exposed, the maintainer can easily contact with a part to be maintained, better accessibility is provided, the maintainer can keep a comfortable working posture, excessive bending and twisting of the body are avoided, maintenance operation can be naturally performed, discomfort and fatigue of the body are reduced, the attention and concentration of workers are improved, the risk of misoperation is reduced, and the maintenance safety is improved.
3. According to the invention, the supporting plate and the lubricating ball are arranged, when the angle of the rotating ring is slowly adjusted, the positioning hole on the supporting plate positions the lubricating ball, the lubricating ball plays a role in reducing the rotating resistance of the rotating ring, when the rotating ring is damaged and out of control due to the structure, the excessive rotating speed enables the supporting plate to push the lubricating ball to be too fast, the supporting plate is clamped into the contact connection included angle between the lubricating ball and the limiting convex ring, the rotating ring and the mounting ring are locked, and as the weight of the engine is larger, the rotating ring can be quickly locked when out of control, further sliding or rotation is prevented, so that the possibility of accident occurrence is reduced, the safety of personnel and equipment is protected, the accident risk is reduced, the out of control is quickly stopped, the control is restored, the further damage of the engine and the device is reduced, and the downtime and the maintenance cost are reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an auxiliary device for maintaining a ship engine;
fig. 2 is a schematic diagram of the overall structure of an auxiliary device for maintaining a ship engine according to the present invention;
fig. 3 is a schematic right-view structural diagram of an auxiliary device for maintaining a ship engine according to the present invention;
FIG. 4 is a schematic cross-sectional view of the mounting housing of the auxiliary device for repairing a marine engine according to the present invention;
fig. 5 is a schematic structural diagram of the auxiliary device for maintaining the ship engine in a normal state of a runaway self-locking structure;
FIG. 6 is a schematic structural view of an assist device for maintaining a marine engine in an extreme state of a self-locking structure for controlling the operation of the assist device;
fig. 7 is a schematic structural view of a rotating ring in an auxiliary device for maintaining a ship engine according to the present invention;
FIG. 8 is a schematic view of an elevation angle adjusting assembly in an auxiliary device for maintaining a ship engine according to the present invention;
FIG. 9 is a schematic view showing the structure of a rotary ring in embodiment 2 of the present invention;
FIG. 10 is a schematic view showing the structure of a mounting ring in embodiment 2 of the present invention;
fig. 11 is a schematic structural diagram of an uncontrolled self-locking structure in embodiment 2 of the present invention.
In the figure: 1. a base; 2. a support frame; 21. a mounting ring; 22. a limit convex ring; 23. a limit groove; 231. a support sheet; 232. positioning holes; 233. lubricating the balls; 3. a rotating ring; 31. a support hole; 4. a deceleration adjustment assembly; 41. mounting a shell; 42. a mounting shaft; 43. a worm wheel; 44. a worm; 45. a rocker; 46. a mounting plate; 461. a mounting port; 5. an elevation adjustment assembly; 51. a support rod; 52. a threaded rod; 53. an adjusting hand wheel; 54. a connecting ring; 55. a U-shaped connecting block; 6. a support assembly; 61. a hydraulic cylinder; 62. a tray; 63. a positioning rod; 71. inserting blocks; 72. a jack; 73. an electromagnet; 74. a permanent magnet; 75. a displacement sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the invention.
Example 1
Referring to fig. 1-3, an auxiliary device for maintaining a ship engine comprises a base 1, wherein a supporting frame 2, a rotating ring 3, a speed reduction adjusting assembly 4, an elevation angle adjusting assembly 5 and a supporting assembly 6 are arranged on the base 1, the speed reduction adjusting assembly 4 is fixed in the rotating ring 3, the engine is arranged on the speed reduction adjusting assembly 4, the circumferential rotation of the engine can be freely controlled through the speed reduction adjusting assembly 4, the engine is convenient to carry out omnibearing maintenance, the rotation of the rotating ring 3 can be controlled through the elevation angle adjusting assembly 5, the elevation angle of the engine is adjusted, better accessibility is provided, and a maintainer can keep a comfortable working posture.
The number of the supporting frames 2 is two, the two supporting frames 2 are symmetrically distributed, and the tops of the two supporting frames 2 are provided with mounting rings 21 which are coaxially arranged.
The rotating ring 3 is of a columnar hollow structure, the speed reduction adjusting component 4 is arranged in the inner space of the rotating ring 3, the rotating ring 3 is rotationally arranged between the two mounting rings 21, the rotating ring 3 integrally rotates to drive the speed reduction adjusting component 4 fixed with an engine to rotate, the engine rotates around the axis of the rotating ring 3, the elevation angle of the engine is changed, the position of the engine is more in accordance with the ergonomics, the operation of maintenance personnel is convenient, a runaway self-locking structure is arranged between the rotating ring 3 and the mounting rings 21, under extreme conditions, the rotating ring 3 and the mounting rings 21 can be rapidly limited and locked in a sliding manner, the possibility of accidents is reduced, and the safety is improved.
Referring to fig. 4, a limiting convex ring 22 is arranged on the inner wall of the mounting ring 21, a limiting groove 23 matched with the limiting convex ring 22 is formed in the outer circumferential surface of the rotating ring 3, and the rotating ring 3 is axially limited on the mounting ring 21 by matching the limiting convex ring 22 with the limiting groove 23, so that the rotating stability of the rotating ring 3 is improved, and the risk of axial deviation of the rotating ring 3 is reduced.
Referring to fig. 5 to 6, the out-of-control self-locking structure includes a plurality of supporting plates 231 fixedly disposed in the limiting groove 23, the supporting plates 231 are elastically deformed, the supporting plates 231 are arc-shaped, the convex surfaces of the supporting plates 231 are close to the limiting convex ring 22, a positioning hole 232 is formed in the top of the supporting plates 231, a lubricating ball 233 is disposed in the supporting plates 231, the lubricating ball 233 passes through the positioning hole 232 and abuts against the inner wall of the limiting convex ring 22, the plurality of supporting plates 231 are used for equally spacing the lubricating ball 233, the positioning hole 232 is used for positioning the lubricating ball 233, the lubricating ball 233 is supported between the limiting convex ring 22 and the limiting groove 23, the lubricating effect on rotation of the rotating ring 3 is achieved, the flexibility of the rotating ring 3 is guaranteed, and in extreme cases, the supporting plates 231 are deformed, and the lubricating ball 233 is locked and limited in sliding.
Referring to fig. 5 and 7, the engine is installed at the outer side of the rotating ring 3 during maintenance, so that the rotating ring 3 is stressed at one side and has a larger rotating trend, the other side of the rotating ring 3 is limited by the elevation angle adjusting assembly 5, the stability of the position of the rotating ring 3 is guaranteed, in a normal use state, when the elevation angle adjusting assembly 5 is used for controlling the rotating ring 3 to rotate to adjust the elevation angle of the engine, the rotating ring 3 slowly rotates, the lubrication balls 233 slowly roll in the rotating process of the rotating ring 3, the positioning holes 232 have a positioning effect on the lubrication balls 233, friction exists between the lubrication balls 233 and the inner wall of the positioning holes 232 in the rotating process, but the deformation influence on the supporting piece 231 is influenced by friction force generated between the lubrication balls 233 and the inner wall of the positioning holes 232 due to the fact that the rolling speed of the lubrication balls 233 is slower, the deformation of the supporting piece 231 is restored instantaneously by the elasticity of the supporting piece 231, and therefore the supporting piece 231 can stably move in the position of the lubrication balls 233 without influencing the rotation of the rotating ring 3, and the normal adjustment of the engine position is guaranteed.
Referring to fig. 6 and 7, in an extreme state, for example, the elevation adjusting assembly 5 is damaged, the rotating ring 3 is out of balance, and is rapidly rotated and dropped to the mounting side of the engine, at this time, the rotating ring 3 and the mounting ring 21 are rapidly rotated, the lubrication balls 233 simultaneously rapidly roll, the rolling speed of the lubrication balls 233 is relatively high, the deformation influence of the friction force generated between the lubrication balls 233 and the inner wall of the positioning hole 232 on the supporting piece 231 is relatively high, the elasticity of the supporting piece 231 is unable to be rapidly recovered, so that the lubrication balls 233 are pressed into the supporting piece 231 until the supporting piece 231 is positioned between the lubrication balls 233 and the limiting convex ring 22, the lubrication balls 233 tightly press the supporting piece 231 and the limiting convex ring 22 together, a great friction resistance is generated, so that the rotating ring 3 is immediately limited and cannot continue to rotate, locking is realized, further sliding or rotating is prevented, thereby reducing the possibility of accidents, protecting the safety of personnel and equipment, reducing the risk of accidents, further damage to the engine and the device, and reducing the downtime and maintenance cost.
Referring to fig. 4, the speed reducing and adjusting assembly 4 is used for supporting the engine and controlling the circumferential angle of the engine, which is beneficial to inspection and maintenance, the speed reducing and adjusting assembly 4 comprises a mounting shell 41 fixedly arranged in the rotating ring 3, the mounting shell 41 is fixed by bolts, a mounting shaft 42 radially arranged along the rotating ring 3 is rotationally arranged in the mounting shell 41, a mounting plate 46 for fixing the engine is arranged at the end of the mounting shaft 42, after the engine is arranged on the mounting plate 46, the engine is positioned at the tangential position of the rotating ring 3, so that the engine can be fully exposed, and along with the rotation of the rotating ring 3, the engine can be fully exposed for maintenance personnel to operate, a mounting opening 461 is formed in a strip shape, when the engine is fixedly arranged, the mounting opening 461 is aligned with a fixing hole of an engine mounting seat by bolts, and a certain range of adjustment can be performed when the bolts are fixedly arranged, so that the purpose of adapting to engines of different types can be achieved.
The installation shaft 42 is coaxially and fixedly connected with the worm wheel 43, the worm 44 meshed with the worm wheel 43 is rotationally arranged in the installation shell 41, a rocker 45 is fixedly connected to the part of the worm 44 beyond the installation shell 41, when the circumferential position of the engine needs to be adjusted, the worm 44 can be driven to rotate through the rotating rocker 45, the worm 44 and the worm wheel 43 are matched with each other to have the characteristics of amplifying torque and self-locking, so that the worm 44 can easily drive the worm wheel 43 to rotate and keep the worm wheel 43 in a position state, the engine can freely rotate, the stability is kept when the worm 44 stops rotating, the angle of the installation shaft 42 is freely controlled, the inspection and maintenance are facilitated, and maintenance staff can more conveniently observe and inspect various parts and connecting points of the engine through freely rotating the engine to determine the specific position and the property of the problem, and the improvement of maintenance efficiency and accuracy are facilitated; certain components of the engine may need to be repositioned or coordinated with other components to ensure proper operation of the engine, and maintenance personnel may more conveniently perform these adjustments by freely rotating the engine to achieve optimal operating conditions.
Referring to fig. 7, the support hole 31 coaxially arranged with the installation shaft 42 is formed in the rotation ring 3, the installation shaft 42 penetrates through the support hole 31 and is rotatably connected with the support hole 31, the installation shaft 42 is supported by the support hole 31, the support hole 31 is closer to the engine, the moment can be reduced, the pressure born by the installation housing 41 can be shared, the risk of deformation of the installation housing 41 is reduced, and the service life is prolonged.
Referring to fig. 7, bearings are provided between the mounting shaft 42 and the worm 44 and the mounting housing 41, and flexibility in rotation between the mounting shaft 42 and the worm 44 and the mounting housing 41 is improved.
The elevation angle adjusting component 5 is used for controlling the rotation of the rotating ring 3 to adjust the installation elevation angle of the engine.
Referring to fig. 8, the elevation angle adjusting assembly 5 includes a supporting rod 51 fixedly disposed on the base 1, the supporting rod 51 is disposed below the mounting shaft 42, a threaded rod 52 is disposed on the supporting rod 51 in a penetrating manner, a movable connection structure is disposed between the top end of the threaded rod 52 and the mounting shaft 42, an adjusting hand wheel 53 is threadably connected to the bottom end of the threaded rod 52, the mounting shaft 42 is under the action of gravity of the engine, one end of the mounting shaft, far away from the engine, is tilted upwards, the threaded rod 52 is driven to move upwards, the adjusting hand wheel 53 is made to abut against the bottom surface of the supporting rod 51, the threaded rod 52 can be axially moved by rotating the adjusting hand wheel 53, the top end position of the threaded rod 52 is changed, under the action of the movable connection structure, the threaded rod 52 can control the mounting shaft 42 to rotate around the axis of the rotating ring 3 while guaranteeing that the position change between the threaded rod 52 and the mounting shaft 42 does not interfere, and then the elevation angle of the engine is controlled, the position of the engine can be adjusted according to the height of the elevation angle of the engine, so that the maintenance person can be fully exposed in the maintenance position of the engine, the maintenance person can be contacted with the required parts more easily, better accessibility is provided, the maintenance person can keep comfortable work, and can be bent and can be free to work, and be prevented from being excessively and torqued.
Referring to fig. 8, the movable connection structure includes a connection ring 54 slidably disposed on one side of the mounting shaft 42 away from the mounting plate 46, a U-shaped connection block 55 is fixedly disposed at the top end of the threaded rod 52, the U-shaped connection block 55 is clamped into the connection ring 54 and is rotatably connected with the connection ring 54, when the height of the threaded rod 52 is controlled to change, the included angle between the threaded rod 52 and the mounting shaft 42 and the position of the connection point are changed, so that the connection ring 54 slides on the mounting shaft 42 to compensate the position of the connection point, and the change of the included angle between the threaded rod 52 and the mounting shaft 42 is compensated by the rotation between the U-shaped connection block 55 and the connection ring 54.
Referring to fig. 1-3, still include the supporting component 6 that sets up in mounting panel 46 below, supporting component 6 sets up in the front side of support frame 2 for go up and down to the height of engine, the dismouting between engine and the mounting panel 46 of being convenient for, supporting component 6 is including fixing the pneumatic cylinder 61 that sets up on base 1, the flexible end of pneumatic cylinder 61 is fixed to be provided with tray 62, when the installation engine, place the engine on tray 62, through extension pneumatic cylinder 61, make the engine reach the position that flushes with mounting panel 46, the engine's of being convenient for is fixed, retract down pneumatic cylinder 61 after the installation is accomplished, make the engine be in the unsettled state, be convenient for maintain, tray 62 is always located the engine below simultaneously, can guarantee that stains such as engine oil do not fall to the ground in the engine maintenance process, guarantee the cleanliness of maintenance, tray 62 bottom is fixed to be provided with many locating levers 63, locating lever 63 and base 1 sliding connection, guide pneumatic cylinder 61 through locating lever 63, stability when improving tray 62 removes.
Example 2
In embodiment 2, the limiting convex ring 22 is directly attached to the limiting groove 23, wherein the out-of-control self-locking structure comprises a plurality of insert blocks 71 slidably arranged in the limiting convex ring 22, a plurality of mounting grooves are formed in the limiting convex ring 22, the insert blocks 71 are located in the mounting grooves and can move in the mounting grooves along the axial direction of the mounting ring 21, a plurality of insertion holes 72 matched with the insert blocks 71 are formed in the inner wall of the limiting groove 23, and after the insert blocks 71 are inserted into the insertion holes 72, the rotating ring 3 and the mounting ring 21 are locked.
The inner wall of the mounting groove is provided with an electromagnet 73, one side of the insert block 71, which is close to the electromagnet 73, is provided with a permanent magnet 74, and the rotating ring 3 is provided with a displacement sensor 75 for controlling the current direction of the electromagnet 73, when the rotating ring 3 is in a normal state, the magnetic poles of the electromagnet 73 and one end, which is opposite to the permanent magnet 74, are opposite, the permanent magnet 74 is adsorbed by the magnetic force of the electromagnet 73, so that the insert block 71 is completely positioned in the mounting groove, the normal rotation of the rotating ring 3 is not influenced, in an extreme state, the rotating ring 3 is out of balance and rapidly rotates and falls down to the mounting side of the engine, at the moment, the rotating ring 3 and the mounting ring 21 are rapidly rotated, after receiving a signal of stalling rotation of the rotating ring 3, the current of the electromagnet 73 is controlled to be reversely switched on, so that the magnetic pole of the electromagnet 73 is changed, repulsive force is generated for the permanent magnet 74, the insert block 71 is pushed into the jack 72, the rotating ring 3 and the mounting ring 21 are locked, further sliding or rotating is prevented, the possibility of accident occurrence is reduced, the safety of personnel and equipment is protected, the accident is reduced, and the further damage of the engine and the device is reduced.
Further, the insert 71 is a wedge-shaped block, the section of the jack 72 is triangular, the oblique side of the insert 71 corresponds to the oblique side of the jack 72, and the oblique side of the insert 71 is in the opposite direction of stall rotation of the rotating ring 3, so that when the rotating ring 3 stalls, the straight side of the insert 71 abuts against the straight side of the jack 72, the fixing of the position of the rotating ring 3 is realized, when the rotating ring 3 stalls, the insert 71 extends outwards, a certain distance of offset exists in the rotating ring 3, the offset can be compensated by reversely rotating the rotating ring 3, the rotating ring 3 is restored to the position before stall, the subsequent maintenance work is facilitated, the control of the rotating ring 3 is restored, when the rotating ring 3 is reversely rotated, the oblique side of the insert 71 abuts against the oblique side of the jack 72, the insert 71 is retracted into the limit convex ring 22 until the insert 71 enters the jack 72 at the next position, the insert 72 is pushed into the jack 72 again by magnetic force, and the stable state of the rotating ring 3 is maintained when the device is maintained.
The specific working principle of the invention is as follows:
when the engine is used, the engine is placed on the tray 62, the hydraulic cylinder 61 is extended to enable the engine to reach the position flush with the mounting plate 46, the mounting opening 461 is aligned with the fixing hole of the engine mounting seat, the engine is fixed through bolts, and the hydraulic cylinder 61 is retracted downwards after the installation is finished, so that the engine is in a suspended state, more space is exposed, and the engine is convenient to maintain;
the adjusting hand wheel 53 is rotated, so that the threaded rod 52 can axially move, the top end position of the threaded rod 52 is changed, the angle adjustment of the mounting shaft 42 is realized, the rotating ring 3 is driven to rotate, the elevation angle of the engine is adjusted when the engine is fixed, the position of the engine can be adjusted according to the height of a maintenance person, the maintenance position of the engine is fully exposed, the maintenance person can easily contact with a part to be maintained, better accessibility is provided, and the maintenance person can keep a comfortable working posture;
when the different peripheral surfaces of the engine are required to be processed, in order to enable maintenance personnel to more conveniently observe and check various parts and connection points of the engine to determine the specific position and property of the problem, the worm 44 is driven to rotate by the rotating rocker 45, the worm 44 can easily drive the worm wheel 43 to rotate and keep the worm wheel 43 in a position state, the engine can freely rotate, maintenance efficiency and accuracy are improved, and the maintenance personnel can more conveniently adjust the positions of certain parts or cooperate with other parts through freely rotating the engine so as to ensure the normal operation of the engine to achieve the optimal working state.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (7)

1. The auxiliary device for maintaining the ship engine comprises a base (1), and is characterized in that the base (1) is provided with;
the number of the supporting frames (2) is two, and the tops of the two supporting frames (2) are provided with coaxially arranged mounting rings (21);
the rotating ring (3) is of a columnar hollow structure, the rotating ring (3) is rotatably arranged between two mounting rings (21), a runaway self-locking structure is arranged between the rotating ring (3) and the mounting rings (21), a limiting convex ring (22) is arranged on the inner wall of each mounting ring (21), a limiting groove (23) matched with the limiting convex ring (22) is formed in the outer peripheral surface of the rotating ring (3), the runaway self-locking structure comprises a plurality of supporting plates (231) fixedly arranged in the limiting grooves (23), the supporting plates (231) are arranged in an arc shape, the convex surfaces of the supporting plates (231) are close to the limiting convex rings (22), positioning holes (232) are formed in the tops of the supporting plates (231), and lubricating balls (233) are arranged in the supporting plates (231) and penetrate through the positioning holes (232) to abut against the inner walls of the limiting convex rings (22).
The speed reduction adjusting assembly (4) is used for supporting the engine and controlling the circumferential angle of the engine, the speed reduction adjusting assembly (4) comprises a mounting shell (41) fixedly arranged in the rotating ring (3), a mounting shaft (42) which is radially arranged along the rotating ring (3) is rotationally arranged in the mounting shell (41), a worm wheel (43) is coaxially and fixedly connected with the mounting shaft (42), a mounting plate (46) for fixing the engine is arranged at the end part of the mounting shaft (42), a worm (44) meshed with the worm wheel (43) is rotationally arranged in the mounting shell (41), and a rocker (45) is fixedly connected with the part of the worm (44) which exceeds the mounting shell (41);
and the elevation angle adjusting assembly (5) is used for controlling the rotation of the rotating ring (3) to adjust the installation elevation angle of the engine.
2. The auxiliary device for maintaining the ship engine according to claim 1, wherein the rotating ring (3) is provided with a supporting hole (31) coaxially arranged with a mounting shaft (42), and the mounting shaft (42) penetrates through the supporting hole (31) and is rotatably connected with the supporting hole (31).
3. The marine engine maintenance support device according to claim 1, wherein bearings are provided between the installation shaft (42) and the worm (44) and the installation housing (41).
4. The auxiliary device for maintaining a ship engine according to claim 1, wherein the mounting plate (46) is provided with a mounting opening (461), and the mounting opening (461) is elongated.
5. The auxiliary device for maintaining the ship engine according to claim 1, wherein the elevation angle adjusting assembly (5) comprises a supporting rod (51) fixedly arranged on the base (1), a threaded rod (52) is arranged on the supporting rod (51) in a penetrating mode, a movable connection structure is arranged at the top end of the threaded rod (52) and the mounting shaft (42), and an adjusting hand wheel (53) is connected with the bottom end of the threaded rod (52) in a threaded mode.
6. The auxiliary device for maintaining the ship engine according to claim 5, wherein the movable connecting structure comprises a connecting ring (54) which is arranged on one side of the mounting shaft (42) away from the mounting plate (46) in a sliding manner, a U-shaped connecting block (55) is fixedly arranged at the top end of the threaded rod (52), and the U-shaped connecting block (55) is clamped into the connecting ring (54) and is rotationally connected with the connecting ring (54).
7. The auxiliary device for maintaining the ship engine according to claim 1, further comprising a supporting component (6) arranged below the mounting plate (46), wherein the supporting component (6) is arranged on the front side of the supporting frame (2) and is used for lifting the height of the engine, the supporting component (6) is convenient for dismounting between the engine and the mounting plate (46), the supporting component (6) comprises a hydraulic cylinder (61) fixedly arranged on the base (1), a tray (62) is fixedly arranged at the telescopic end of the hydraulic cylinder (61), a plurality of positioning rods (63) are fixedly arranged at the bottom of the tray (62), and the positioning rods (63) are in sliding connection with the base (1).
CN202311388639.7A 2023-10-25 2023-10-25 Auxiliary device for maintaining ship engine Active CN117340850B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202539A (en) * 1978-11-15 1980-05-13 Avco Corporation Engine work stand
CN204149143U (en) * 2014-09-12 2015-02-11 沈阳航天三菱汽车发动机制造有限公司 Engine maintenance upset car
KR101963087B1 (en) * 2018-10-16 2019-03-27 진성환 Engine block rotation jig
CN209273393U (en) * 2018-08-16 2019-08-20 苏州斯塔克机械制造科技有限公司 A kind of mobile rotary tooling platform
CN110450093A (en) * 2019-09-10 2019-11-15 中国建筑第七工程局有限公司 A kind of dismounting engine rack
CN114179007A (en) * 2021-12-17 2022-03-15 长春市众诚智能科技有限公司 Visual inspection table for engine
CN218698499U (en) * 2022-11-03 2023-03-24 吉林省达兴名车服务有限公司 Engine tray for auto repair
CN116079670A (en) * 2022-12-15 2023-05-09 氢沄(河南)新能源科技有限公司 Multi-gesture equipment operation tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202539A (en) * 1978-11-15 1980-05-13 Avco Corporation Engine work stand
CN204149143U (en) * 2014-09-12 2015-02-11 沈阳航天三菱汽车发动机制造有限公司 Engine maintenance upset car
CN209273393U (en) * 2018-08-16 2019-08-20 苏州斯塔克机械制造科技有限公司 A kind of mobile rotary tooling platform
KR101963087B1 (en) * 2018-10-16 2019-03-27 진성환 Engine block rotation jig
CN110450093A (en) * 2019-09-10 2019-11-15 中国建筑第七工程局有限公司 A kind of dismounting engine rack
CN114179007A (en) * 2021-12-17 2022-03-15 长春市众诚智能科技有限公司 Visual inspection table for engine
CN218698499U (en) * 2022-11-03 2023-03-24 吉林省达兴名车服务有限公司 Engine tray for auto repair
CN116079670A (en) * 2022-12-15 2023-05-09 氢沄(河南)新能源科技有限公司 Multi-gesture equipment operation tool

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