A main bearing bush automatic centering tool for a marine diesel engine assembly

Abstract

The application provides a main bearing bush automatic centering tool for ship diesel engine assembly, which comprises a horizontal plate, a connecting plate, a connecting board, a fixing plate and a moving plate, the connecting plate is symmetrically fixedly installed with the horizontal plates at both ends, and the connecting board is fixedly installed between the horizontal plates on the side of the connecting plate, compared with the conventional main bearing bush installation equipment for ship diesel engine assembly, the equipment can quickly position and center the main bearing bush during use, simplifies the overall operation process, greatly saves the installation time of the main bearing bush, improves the overall work efficiency, and can be applied to any form of main bearing bush centering, has a wide working range, can quickly move the equipment left and right and up and down, is convenient for adjusting the position of the equipment as a whole, provides convenience for subsequent positioning of the main bearing bush, and saves the overall operation time.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of diesel engine assembly, in particular to a main bearing bush automatic centering tool for ship diesel engine assembly. BACKGROUND

[0002] The diesel engine is a very important part for the ship running and working, which needs to go through multiple processes during installation, and is very complex, especially for the positioning and installation of the main bearing bush. In the current assembly process of the ship diesel engine, multiple main bearing bushes need to be installed, so the main bearing bush and the bearing block need to be precisely centered, otherwise the main bearing bush may be pulled out or damaged. However, this process is completely dependent on manual installation and calibration by workers during work, and the overall calibration accuracy and work efficiency are completely related to the experience and technology of the workers, which may cause slow installation process, low installation efficiency, and installation quality errors, thereby affecting the overall use of the diesel engine.

[0003] Therefore, it is necessary to provide a new main bearing bush automatic centering tool for ship diesel engine assembly to solve the above technical problems. SUMMARY

[0004] To solve the above technical problems, the present application provides a main bearing bush automatic centering tool for ship diesel engine assembly, which is convenient to position and automatically centered.

[0005] The main bearing bush automatic centering tool for ship diesel engine assembly provided by the present application comprises a horizontal plate, a connecting plate, a connecting plate, a fixed plate and a moving plate, the connecting plate is symmetrically fixed and installed at both ends of the horizontal plate, the connecting plate is fixed and installed between the horizontal plates on the side of the connecting plate, the fixed plate is arranged on the side away from the connecting plate between the horizontal plates, the moving plate is symmetrically and slidingly installed in the fixed plate, the clamping device is fixedly installed in the fixed plate, the centering device comprises a top block, a clamping groove and a supporting rod, the top block is fixedly installed at the bottom end of the moving plate, the clamping groove is formed in the top block, the supporting rod is fixedly installed in the top block, the positioning device is fixedly installed at the end of the horizontal plate, and the connecting device is fixedly installed on the surface of the connecting plate.

[0006] Preferably, the length of the connecting plate is 180mm, which ensures that the positions of the two horizontal plates are consistent with the overall width of the bearing block, and facilitates subsequent positioning.

[0007] Preferably, the clamping device comprises a shell, a moving groove, a bidirectional screw rod, a guide rod, a moving end and a motor, the shell is fixedly installed on the side surface of the fixed plate, the shell and the fixed plate are provided with a moving groove inside, the bidirectional screw rod is rotatably installed inside the shell, the guide rod is fixedly installed on the side surface of the bidirectional screw rod inside the shell, the moving end is symmetrically screw-engaged with the outside of the bidirectional screw rod, the moving end is slidably connected with the guide rod, the moving end is fixedly connected with the moving plate, and the motor is fixedly installed at the end of the bidirectional screw rod.

[0008] Preferably, a sliding slot is formed at the bottom end of the moving end inside the fixed plate, so that the moving end is more stable and convenient when driving the moving plate to move.

[0009] Preferably, a fixed shell is arranged outside the motor, and the fixed shell is fixedly connected with the fixed plate, so as to ensure the stability of the motor during use and prevent loosening.

[0010] Preferably, the clamping groove is in a trapezoidal shape, and a cylindrical groove is formed at the top end of the clamping groove inside the top block, so that the both ends of the main bearing bush are better clamped into the clamping groove, and the positioning of the subsequent supporting rod is more accurate.

[0011] Preferably, the positioning device comprises a limiting rod, a sliding block, a sliding groove, a positioning column and a positioning rod, the limiting rod is fixedly installed at the end of the cross plate, the sliding block is arranged outside the limiting rod, the sliding groove is formed in the sliding block, the limiting rod is slidably connected with the sliding groove, the sliding block is fixedly connected with the fixed plate, the positioning column is fixedly installed at the bottom end of the sliding block, and the positioning rod is fixedly installed at the bottom end of the connecting portion of the cross plate and the connecting plate.

[0012] Preferably, the radii of the positioning rod and the positioning column are both smaller than the radius of the fastening screw hole of the bearing block, so that the positioning rod and the positioning column are better inserted into the fastening screw hole of the bearing block, and the equipment is quickly positioned.

[0013] Preferably, the connecting device comprises a connecting column, a ground block, a slot, a threaded groove, a threaded rod and a nut, the connecting column is fixedly installed on the surface of the connecting plate, the ground block is fixedly installed at the top end of the connecting column, the slot is formed in the ground block, the threaded groove is formed in the ground block, the threaded rod is screw-engaged in the threaded groove, and the nut is screw-engaged at the end of the threaded rod.

[0014] Preferably, grooves are symmetrically formed in the both sides of the ground block, so that the rotation of the threaded rod and the nut is more convenient.

[0015] Compared with the related art, the main bearing bush automatic centering tool for ship diesel engine assembly has the following beneficial effects:

[0016] The main bearing bush automatic centering tool for ship diesel engine assembly has the following beneficial effects:

[0017] The main bearing bush automatic centering tool for ship diesel engine assembly has the following beneficial effects:1、Through the use of the centering device and the clamping device, the main shaft bush can be quickly positioned and centered, the overall operation process is simplified, the installation time of the main shaft bush is greatly saved, the overall work efficiency is improved, and the equipment can be suitable for centering of any form of main shaft bush, and the working range is wide;

[0018] 2、Through the use of the positioning device and the connecting device, the equipment as a whole can be quickly moved left and right and up and down, the position of the equipment as a whole is adjusted, and convenience is provided for subsequent positioning of the main shaft bush, and the overall operation time is saved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is one of the overall structure schematic diagrams provided by the application;

[0020] Figure 2 It is the second overall structure schematic diagram provided by the application;

[0021] Figure 3 It is the third overall structure schematic diagram provided by the application;

[0022] Figure 4 It is a clamping device structure schematic diagram provided by the application;

[0023] Figure 5 It is a centering device structure schematic diagram provided by the application;

[0024] Figure 6 It is a positioning device structure schematic diagram provided by the application;

[0025] Figure 7 It is a connecting device structure schematic diagram provided by the application.

[0026] Marked numbers in the figure: 1, horizontal plate; 2, connecting plate; 3, connecting plate; 4, fixed plate; 5, moving plate; 6, clamping device; 61, shell; 62, moving groove; 63, bidirectional screw rod; 64, guide rod; 65, moving end; 66, motor; 7, centering device; 71, top block; 72, clamping groove; 73, support rod; 8, positioning device; 81, limiting rod; 82, sliding block; 83, sliding groove; 84, positioning column; 85, positioning rod; 9, connecting device; 91, connecting column; 92, ground block; 93, insertion slot; 94, threaded groove; 95, threaded rod; 96, nut. DETAILED DESCRIPTION

[0027] The application will be further described below in combination with the drawings and embodiments.

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 ,Figure 6 and Figure 7 The main bearing bush automatic centering tool for ship diesel engine assembly comprises:

[0029] Embodiment one:

[0030] In the specific implementation process, as shown in Figure 1 , Figure 2 and Figure 3 , the cross plate 1, the connecting plate 2, the connecting plate 3, the fixed plate 4 and the moving plate 5 are symmetrically fixed and installed at both ends of the connecting plate 2, the connecting plate 3 is fixed and installed on the side of the connecting plate 2 between the cross plates 1, the fixed plate 4 is arranged on the side of the cross plate 1 away from the connecting plate 2, the moving plate 5 is symmetrically and slidingly installed in the fixed plate 4, the clamping device 6 is fixedly installed in the fixed plate 4, the centering device 7 is fixedly installed at the bottom end of the moving plate 5, the centering device 7 comprises a top block 71, a clamping groove 72 and a supporting rod 73, the top block 71 is fixedly installed at the bottom end of the moving plate 5, the clamping groove 72 is formed in the top block 71, and the supporting rod 73 is fixedly installed in the top block 71, the positioning device 8 is fixedly installed at the end of the cross plate 1, and the connecting device 9 is fixedly installed on the surface of the connecting plate 3.

[0031] In use, the device is placed at the target position, the main bearing bush to be installed is placed between the centering devices 7, the clamping device 6 is used to extrude the main bearing bush at the centering end, the main bearing bush is contracted to the target size, the connecting device 9 is used to connect and cooperate the whole device with the lifting mechanism, the device is moved to the target position, the positioning device 8 is used to quickly position the installation position of the main bearing bush, and finally the centering device 7 is used to quickly install the main bearing bush to the target position, the two ends of the main bearing bush are respectively clamped into the clamping grooves 72, then the main bearing bush is contracted by the extrusion of the supporting rod 73 and the clamping device 6, the whole device is moved downward to ensure that the supporting rod 73 can be accurately aligned with the fastening hole of the frame, then the main bearing bush is completely attached to the frame bearing groove by the elastic expansion characteristics, and the installation is completed, and the width of the clamping device 6 does not need to be adjusted for the installation of the subsequent multiple main bearing bushes, and the installation and placement of the subsequent multiple main bearing bushes can be completed by repositioning the positioning device 8, so that the working efficiency of the whole device is improved.

[0032] As shown in Figure 1 , the length of the connecting plate 2 is 180mm, which ensures that the positions of the two cross plates 1 are consistent with the overall width of the frame bearing groove in use, facilitating subsequent positioning.

[0033] As shown in Figure 4As shown, the clamping device 6 includes a shell 61, a moving groove 62, a bidirectional screw rod 63, a guide rod 64, a moving end 65 and a motor 66, the shell 61 is fixedly installed on the side of the fixed plate 4, the shell 61 and the fixed plate 4 are jointly provided with the moving groove 62 inside, the bidirectional screw rod 63 is rotatably installed inside the shell 61, the guide rod 64 is fixedly installed on the side of the bidirectional screw rod 63 inside the shell 61, the moving end 65 is symmetrically screw-engaged and installed outside the bidirectional screw rod 63, the moving end 65 is slidably connected with the guide rod 64, the moving end 65 is fixedly connected with the moving plate 5, and the motor 66 is fixedly installed at the end of the bidirectional screw rod 63.

[0034] In use, the bidirectional screw rod 63 is rotated and adjusted by starting the motor 66, and then the two moving ends 65 outside the bidirectional screw rod 63 drive the moving plate 5 to move simultaneously under the limiting of the guide rod 64, and the centering end part of the main bearing bush is extruded through the cooperation of the centering device 7.

[0035] Reference Figure 4 As shown, the sliding groove is provided at the bottom end of the moving end 65 inside the fixed plate 4, which makes the moving end 65 more stable and convenient when driving the moving plate 5 to move.

[0036] Reference Figure 5 As shown, the motor 66 is provided with a fixed housing outside, and the fixed housing is fixedly connected with the fixed plate 4, which ensures the stability of the motor 66 during use and prevents loosening.

[0037] Reference Figure 5 As shown, the clamping groove 72 is in the shape of a trapezoid, and a cylindrical recess is provided at the top end of the clamping groove 72 inside the top block 71, which makes the both end parts of the main bearing bush better clamped into the clamping groove 72 inside, and the positioning of the subsequent supporting rod 73 is more accurate.

[0038] Reference Figure 6 As shown, the positioning device 8 includes a limiting rod 81, a sliding block 82, a sliding groove 83, a positioning column 84 and a positioning rod 85, the limiting rod 81 is fixedly installed at the end of the cross plate 1, the limiting rod 81 is provided with the sliding block 82 outside, the sliding groove 83 is provided inside the sliding block 82, the limiting rod 81 is slidably connected with the sliding groove 83, the sliding block 82 is fixedly connected with the fixed plate 4, the positioning column 84 is fixedly installed at the bottom end of the sliding block 82, and the positioning rod 85 is fixedly installed at the bottom end of the connecting portion of the cross plate 1 and the connecting plate 2.

[0039] In use, the left and right positions of the sliding block 82 are moved through the cooperation of the sliding block 82 and the sliding groove 83, so that the positioning column 84 at the bottom end of the sliding block 82 can be accurately inserted into the fastening screw hole of the bearing block, and the preliminary positioning of the main bearing bush can be realized, and because of the use of the positioning rod 85, the position of the whole device can be positioned in advance, which is convenient for subsequent adjustment.

[0040] Referring to Figure 6 As shown, the radius of both the positioning rod 85 and the positioning column 84 is smaller than the radius of the fastening screw hole of the base bearing block, which in use enables the positioning rod 85 and the positioning column 84 to be better inserted into the fastening screw hole of the base bearing block, achieving rapid positioning of the device.

[0041] Referring to Figure 7 As shown, the connecting device 9 comprises a connecting column 91, a ground block 92, a slot 93, a threaded slot 94, a threaded rod 95 and a nut 96. The connecting column 91 is fixedly installed on the surface of the connecting plate 3. The ground block 92 is fixedly installed at the top end of the connecting column 91. The slot 93 is formed in the ground block 92. The threaded slot 94 is formed in the ground block 92. The threaded rod 95 is screwedly installed in the threaded slot 94. The nut 96 is screwedly installed at the end of the threaded rod 95.

[0042] In use, the connecting end of the hoisting mechanism is inserted into the slot 93, and then the connecting part is reinforced by the use of the threaded slot 94 and the threaded rod 95. Because of the use of the nut 96, the connection is further strengthened, which facilitates the movement of the device as a whole by the hoisting mechanism.

[0043] Referring to Figure 7 As shown, recesses are symmetrically formed in the inside of the ground block 92. In use, the recesses make the rotation of the threaded rod 95 and the nut 96 more convenient.

[0044] Embodiment Two:

[0045] Please refer to Figure 5 The radius of the support rod 73 is the same as the radius of the fastening screw hole of the base, which in use enables the support rod 73 to be inserted into the fastening screw hole of the base through the lowering of the device as a whole, achieving rapid centering and positioning.

[0046] Working principle: the automatic centering tool of the main bearing bush of the ship diesel engine assembly is used in the target position, then the main bearing bush to be installed is placed between the centering device 7, then the main bearing bush of the centering end part is extruded by using the clamping device 6, the bidirectional screw rod 63 is rotated and adjusted by starting the motor 66, then the two movable ends 65 outside the bidirectional screw rod 63 drive the moving plate 5 to move at the same time through the limiting of the guide rod 64, the main bearing bush of the centering end part is extruded through the cooperation of the centering device 7, the main bearing bush is contracted to the target size, then the whole equipment is connected and cooperated with the lifting mechanism through the use of the connecting device 9, the connecting end of the lifting mechanism is inserted into the slot 93, then the connection part is reinforced through the use of the threaded groove 94 and the threaded rod 95, and the connection of the two is further strengthened due to the use of the nut 96, so that the whole equipment can be moved by the lifting mechanism, then the equipment is moved to the target position, the position of the main bearing bush installation is quickly positioned through the use of the positioning device 8, the left and right positions of the sliding block 82 are moved through the cooperation of the sliding block 82 and the sliding groove 83, so that the positioning column 84 at the bottom end of the sliding block 82 can be accurately inserted into the fastening screw hole of the bearing bushing, so that the preliminary positioning of the main bearing bush installation can be realized, and the position of the whole equipment can be positioned in advance due to the use of the positioning rod 85, so that subsequent adjustment is facilitated, finally the main bearing bush is quickly installed to the target position through the use of the centering device 7, the two ends of the main bearing bush are respectively clamped into the clamping groove 72, then the main bearing bush is contracted through the extrusion of the supporting rod 73 and the clamping device 6, then the whole equipment is moved downward, so that the supporting rod 73 can be accurately aligned with the fastening screw hole of the bearing, then the main bearing bush is completely attached to the bearing bushing by using the elastic expansion characteristics, so that the installation is completed, and the width of the clamping device 6 does not need to be adjusted when the subsequent multiple main bearing bushes are installed, only the positioning device 8 needs to be repositioned to complete the installation and placement of the subsequent multiple main bearing bushes, so that the working efficiency of the whole equipment is improved.

[0047] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A main bearing bush automatic centering tooling for a marine diesel engine assembly, characterised in that, Include: Cross plate (1), connecting plate (2), connecting plate (3), fixed plate (4) and moving plate (5), the connecting plate (2) is fixedly installed with cross plate (1) at both ends, the connecting plate (3) is fixedly installed between the cross plate (1) on the side of the connecting plate (2), the fixed plate (4) is arranged on the side away from the connecting plate (2) between the cross plate (1), the fixed plate (4) is symmetrically slidably installed with moving plate (5) inside, the fixed plate (4) is fixedly installed with clamping device (6) inside, the clamping device (6) includes shell (61), moving groove (62), two-way screw rod (63), guide rod (64), moving end (65) and motor (66), the fixed plate (4) is fixedly installed with shell (61) on the side, the shell (61) and the fixed plate (4) are provided with moving groove (62) inside, the two-way screw rod (63) is rotatably installed inside the shell (61), the guide rod (64) is fixedly installed inside the shell (61) on the side of the two-way screw rod (63), the moving end (65) is symmetrically screw threadedly engaged and installed outside the two-way screw rod (63), the moving end (65) is slidably connected with the guide rod (64), the moving end (65) is fixedly connected with the moving plate (5), the motor (66) is fixedly installed at the end of the two-way screw rod (63), the two-way screw rod (63) is driven to rotate by the motor (66), so that the two moving ends (65) drive the moving plate (5) and the centering device (7) to move synchronously, so as to clamp and compress the opening of the main bearing bush to be installed to the target size; The moving plate (5) is fixedly installed with centering device (7) at the bottom end, the centering device (7) includes top block (71), clamping groove (72) and support rod (73), the moving plate (5) is fixedly installed with top block (71) at the bottom end, the top block (71) is provided with clamping groove (72) inside, the top block (71) is fixedly installed with support rod (73) inside, the support rod (73) can accurately align the fastening screw hole of the base; The end of the cross plate (1) is fixedly installed with positioning device (8), the surface of the connecting plate (3) is fixedly installed with connecting device (9); The positioning device (8) includes limiting rod (81), sliding block (82), sliding groove (83), positioning column (84) and positioning rod (85), the end of the cross plate (1) is fixedly installed with limiting rod (81), the limiting rod (81) is provided with sliding block (82) outside, the sliding block (82) is provided with sliding groove (83) inside, the limiting rod (81) is slidably connected with the sliding groove (83), the sliding block (82) is fixedly connected with the fixed plate (4), the sliding block (82) is fixedly installed with positioning column (84) at the bottom end, the cross plate (1) and the connecting plate (2) are symmetrically fixedly installed with positioning rod (85) at the bottom end of the connecting portion; The positioning column (84) and the positioning rod (85) are used for inserting into the corresponding fastening screw hole on the bearing block.

2. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 1, wherein, The overall length of the connecting plate (2) is 180mm.

3. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 1, wherein, The sliding groove is provided at the bottom end of the moving end (65) inside the fixed plate (4).

4. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 1, wherein, The motor (66) is externally provided with a fixed shell, and the fixed shell is fixedly connected with the fixed plate (4).

5. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 1, wherein, The clamping groove (72) is in the shape of a trapezoid as a whole, and a cylindrical groove is formed in the top block (71) inside the top end of the clamping groove (72).

6. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 5, wherein, The radii of the positioning rod (85) and the positioning column (84) are both smaller than the radius of the fastening screw hole of the stand bearing.

7. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 1, wherein, The connecting device (9) comprises a connecting column (91), a ground block (92), a slot (93), a threaded groove (94), a threaded rod (95) and a nut (96), the connecting column (91) is fixedly installed on the surface of the connecting plate (3), the ground block (92) is fixedly installed at the top end of the connecting column (91), the slot (93) is formed in the ground block (92), the threaded groove (94) is formed in the ground block (92), the threaded rod (95) is screwedly installed in the threaded groove (94), and the nut (96) is screwedly installed at the end of the threaded rod (95).

8. The marine diesel engine assembled main bearing bush auto-centering tooling of claim 7, wherein, Grooves are symmetrically formed in the inside of the ground block (92).

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