Grinding and clamping device for crankshaft bearing seat for ship
By adopting the design of multi-directional clamps and positioning keys in the marine crankshaft bearing seat grinding device, the problem of unstable clamping of large crankshaft bearing seats is solved, efficient and stable grinding effects are achieved, and the normal operation of the engine crankshaft is ensured.
Patent Information
- Application Number
- CN202420236015.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-01-31
AI Technical Summary
The existing marine crankshaft bearing seat grinding device cannot effectively clamp large crankshaft bearing seats, resulting in unstable grinding and affecting the working performance of the engine crankshaft.
Multi-directional longitudinal adjustment fixtures, transverse adjustment fixtures and support columns are used, combined with upper positioning keys and lower positioning keys, to achieve multi-directional clamping and positioning of the marine crankshaft bearing seat, exposing more surface area for robot polishing.
It achieves stable clamping and efficient grinding of different types of marine crankshaft bearing seats, improves grinding accuracy and range, and ensures stable rotation of the engine crankshaft.
Smart Images
Figure CN222371325U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ship heavy industry parts clamping devices, in particular to a grinding and clamping device for a crankshaft bearing seat for ships. Background Art
[0002] The function of the marine crankshaft bearing seat is to support and fix the marine engine crankshaft bearing. The crankshaft bearing seat cooperates with the marine engine crankshaft bearing to ensure that the marine engine crankshaft can rotate stably.
[0003] The marine crankshaft bearing seat is formed by casting, and its surface quality will affect the working performance of the marine engine crankshaft bearing and the marine engine crankshaft, so the surface of the marine crankshaft bearing seat is usually ground and polished.
[0004] At present, most of the crankshaft bearing seats for ships are large and heavy objects. Generally, there are only 60-type crankshaft bearing seats for ships and 50-type crankshaft bearing seats for ships. Their shapes and sizes are 1900mm×1700mm×430mm or 1750mm×1500mm×214mm respectively, and their weight is more than 1t.
[0005] At present, most of the existing marine crankshaft bearing seat grinding devices can only design different marine crankshaft bearing seat grinding devices for different marine crankshaft bearing seats, which is not only more expensive, but also relatively simple in use. Even if some marine crankshaft bearing seat grinding devices can design a universal marine crankshaft bearing seat grinding device, it is ignored that the marine crankshaft bearing seat is a large-scale object. When the universal marine crankshaft bearing seat grinding device is used to clamp the marine crankshaft bearing seat, the problem of loose clamping is prone to occur. Therefore, when an external force is used to machine-grind the engine crankshaft bearing, it is easy to shake, which affects the quality of grinding, and even the grinding and polishing does not meet the standard, which seriously affects the working performance of the engine crankshaft and makes the engine crankshaft unable to rotate stably. Utility Model Content
[0006] In order to solve the defects of the prior art, an embodiment of the utility model provides a grinding and clamping device for a crankshaft bearing seat for a ship.
[0007] The utility model embodiment adopts the following technical scheme: a grinding and clamping device for a crankshaft bearing seat for a ship includes a workbench, and also includes: a plurality of longitudinal adjustment fixtures, which are symmetrically fixedly installed on the workbench, including a first threaded hole, a second threaded hole, a first upper screw, a first lower screw, an upper positioning key, a lower positioning key and a first fixture table; the upper positioning key and the lower positioning key are both arranged on the first fixture table, the upper positioning key is located above the lower positioning key, the first threaded hole is arranged between the upper positioning key and the lower positioning key, the second threaded hole is arranged on the upper part of the upper positioning key, and a threaded connection with the first threaded hole is arranged in the first threaded hole. A first upper screw connected to the workbench, and a first lower screw threadedly connected to the workbench is provided in the second threaded hole; at least two lateral adjustment clamps are fixedly installed on the workbench, including a third threaded hole, a fourth threaded hole, a second upper screw, a second lower screw and a second clamp table; the third threaded hole and the fourth threaded hole are both arranged on the first clamp table, the third threaded hole is located above the fourth threaded hole, the third threaded hole is provided with a second upper screw threadedly connected to the workbench, and the fourth threaded hole is provided with a second lower screw threadedly connected to the workbench; a plurality of support columns for supporting the bottom of the crankshaft bearing seat for ships are installed on the workbench.
[0008] It can be seen that the use of the longitudinal adjustment clamp, the transverse adjustment clamp and the support column for supporting the bottom of the ship crankshaft bearing seat can clamp the ship crankshaft bearing seat in multiple directions, and at the same time, more outer surface area of the ship crankshaft bearing seat can be exposed to facilitate the use of robots to polish its surface.
[0009] Preferably, the longitudinal adjustment fixture is perpendicular to the crankshaft bearing seat for a ship, and the transverse adjustment fixture is perpendicular to the crankshaft bearing seat for a ship.
[0010] It can be seen that when clamping, the crankshaft bearing seat for ships can be ensured to be vertical relative to the longitudinal adjustment fixture and the transverse adjustment fixture, which is not only beneficial to the clamping effect of the crankshaft bearing seat for ships, but also can improve the accuracy of the robot in grinding the crankshaft bearing seat for ships in a vertical state.
[0011] Preferably, the plurality of support columns for supporting the bottom of the crankshaft bearing seat for a ship are located in front of the workbench, the transverse adjustment fixture is located behind the workbench, and the longitudinal adjustment fixture is located on the left and right sides of the workbench.
[0012] It can be seen that the lateral adjustment clamp is used for lateral clamping of the ship crankshaft bearing seat, the longitudinal adjustment clamp is used for longitudinal clamping of the ship crankshaft bearing seat, and the support column used to support the bottom of the ship crankshaft bearing seat is the other side of the support of the ship crankshaft bearing seat, so as to firmly fasten the ship crankshaft bearing seat from four directions of front, back, left and right.
[0013] Preferably, the plurality of support columns for supporting the bottom of the crankshaft bearing seat for a ship include a first support column and a second support column.
[0014] It can be seen that the first support column and the second support column are used to support different types of crankshaft bearing seats for ships respectively.
[0015] Preferably, a crossbeam is provided on the workbench, the crossbeam connects the left and right sides of the workbench, and the second supporting column is installed on the crossbeam.
[0016] It can be seen that, since different types of ship crankshaft bearing seats have different sizes, the second support column is installed in different areas of the workbench to more easily support the corresponding same type of ship crankshaft bearing seats.
[0017] Preferably, the first support column comprises a first spiral support rod for adjusting height and a first support base, the first support base is arranged on the workbench, and the first spiral support rod is connected to the first support base.
[0018] It can be seen that by adopting the height-adjustable first spiral support rod, the height can be adjusted according to actual needs to facilitate the grinding of the marine crankshaft bearing seat, while also achieving a supporting effect.
[0019] Preferably, the second support column comprises a second spiral support rod for adjusting the height and a second support base, the second support base is arranged on the crossbeam, and the second spiral support rod is connected to the second support base.
[0020] It can be seen that by adopting a height-adjustable second spiral support rod, the height can be adjusted according to actual needs, so as to facilitate the grinding of other types of marine crankshaft bearing seats that are different from the marine crankshaft bearing seats corresponding to the first spiral support rod, while also achieving the supporting effect.
[0021] Preferably, a notch for locating the bottom of a crankshaft bearing seat for a ship is provided at the top of the upper positioning key.
[0022] It can be seen that the notch is used to locate the corresponding notch in the bottom of the ship crankshaft bearing seat, so that the ship crankshaft bearing seat can be placed on the ship crankshaft bearing seat grinding and clamping device more quickly and efficiently.
[0023] Preferably, the distance between the upper positioning key and the lower positioning key is 290 mm.
[0024] It can be seen that by adjusting the positions of the upper positioning key and the lower positioning key, corresponding positioning can be performed for different types of ship crankshaft bearing seats.
[0025] Beneficial effects of the utility model
[0026] Compared with the existing grinding devices for marine crankshaft bearing seats, most of them can only be adapted to clamp and grind a single marine crankshaft bearing seat; in addition, some of the existing grinding devices for marine crankshaft bearing seats can meet the needs of clamping different types of marine crankshaft bearing seats, for example, by setting a one-way adjustable clamping device to clamp the marine crankshaft bearing seat, but the utility model is not limited to the structure of the existing grinding devices for marine crankshaft bearing seats, but by setting a longitudinal adjustment clamp, a transverse adjustment clamp and a support seat from the front, back, left, right and bottom in multiple directions and firmly, different marine crankshaft bearing seats can be positioned faster through the upper positioning key and the lower positioning key to achieve the effect of facilitating the installation of the marine crankshaft bearing seat, and different types of bearing seats can be clamped, and more space area of the marine crankshaft bearing seat can be revealed to facilitate the use of robots, that is, to grind the marine crankshaft bearing seat under the action of external force, and it can also be more efficient and more convenient, and can also grind the marine crankshaft bearing seat over a larger range. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 A schematic diagram of a grinding and clamping device for a crankshaft bearing seat for a ship of the utility model (a);
[0028] Figure 2 A schematic diagram of a grinding and clamping device for a crankshaft bearing seat for a ship of the utility model (b);
[0029] Figure 3 A top view of a grinding and clamping device for a crankshaft bearing seat for a ship according to Embodiment 1 of the utility model;
[0030] Figure 4 It is a partial structural schematic diagram of the longitudinal adjustment clamp of the utility model;
[0031] Figure 5 It is a partial structural schematic diagram of the lateral adjustment clamp of the utility model;
[0032] Figure 6 This is a partial structural schematic diagram of the first supporting column of the second embodiment of the utility model;
[0033] Figure 7 This is a partial structural diagram of the second support column of the third embodiment of the utility model; DETAILED DESCRIPTION
[0034] In the description of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.
[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] It should be understood that the term "and / or" used in this article is only a description of the same field of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.
[0037] The following is further described in detail through specific implementation methods:
[0038] The longitudinal adjustment clamp is further explained in detail: when the marine crankshaft bearing seat is clamped and placed on the positioning key of the marine crankshaft bearing seat grinding clamping device, there is a certain and very small error gap between the marine crankshaft bearing seat and the longitudinal adjustment clamp. In view of the error gap, the longitudinal adjustment clamp can fix the marine crankshaft bearing seat by rotating the first upper screw or the first lower screw to achieve the effect of adjusting the extremely small error gap. In addition, the longitudinal adjustment clamp is mainly used for clamping the marine crankshaft bearing seat in the longitudinal direction, that is, in the height direction.
[0039] The lateral adjustment clamp is further explained in detail: when the marine crankshaft bearing seat is clamped and placed on the positioning key of the marine crankshaft bearing seat grinding clamping device, there is a certain and very small error gap between it and the lateral adjustment clamp. In view of the error gap, the lateral adjustment clamp can fix the marine crankshaft bearing seat by rotating the third upper screw or the fourth lower screw to achieve the effect of adjusting the extremely small error gap. In addition, the lateral adjustment clamp is mainly used for clamping the marine crankshaft bearing seat in the lateral direction, that is, in the width direction.
[0040] The reference numerals in the drawings of the specification include:
[0041] 1-workbench, 2-first support column, 3-second support column, 4-positioning key, 5-lateral adjustment fixture, 6-longitudinal adjustment fixture, 7-crossbeam, 21-first spiral support rod, 22-first support base, 31-second spiral support rod, 32-second support base, 51-second lower screw, 52-fourth threaded hole, 53-second fixture table, 54-second upper screw, 61-lower positioning key, 62-first fixture table, 63-upper positioning key, 64-first threaded hole, 65-first upper screw, 66-first lower screw.
[0042] Embodiment 1
[0043] This embodiment provides a grinding and clamping device for a crankshaft bearing seat for a ship, which includes a workbench 1, a crankshaft bearing seat for a ship, a longitudinal adjustment fixture 6, a transverse adjustment fixture 5, and a support column and a crossbeam 7 for supporting the bottom of the crankshaft bearing seat for a ship. Figure 1 As shown, the longitudinal adjustment clamps 6 are symmetrical in pairs and fixed to the left and right sides of the workbench 1 with bolts; the transverse adjustment clamps 5 are fixed to the back of the workbench 1 with bolts; and a plurality of support columns for supporting the bottom of the crankshaft bearing seat for ships are installed in front of the workbench 1.
[0044] like Figure 2 As shown, a crossbeam 7 is provided in the hollow part in the middle of the workbench 1, and the crossbeam 7 is fixedly connected to the left and right sides of the workbench 1 and is close to the front of the workbench 1. The second support column 3 is fixedly installed on the crossbeam 7 by bolts, and the first support column 2 is fixedly installed on the table surface of the workbench 1 by bolts.
[0045] like Figure 3 As shown, in this embodiment, the multiple longitudinal adjustment clamps 6 are 4 longitudinal adjustment clamps 6, the at least two transverse adjustment clamps 5 are two transverse adjustment clamps 5, and the multiple support columns for supporting the bottom of the crankshaft bearing seat for ships include 2 first support columns 2 and 2 second support columns 3.
[0046] like Figure 4As shown, the longitudinal adjustment fixture 6 includes a first threaded hole 64, a second threaded hole, a first upper screw rod 65, a first lower screw rod 66, an upper positioning key 63, a lower positioning key 61 and a first fixture table 62; the upper positioning key 63 and the lower positioning key 61 are fixedly arranged on the first fixture table 62, and the upper positioning key 63 is located at the upper part of the lower positioning key 61. The first threaded hole 64 is fixedly arranged between the upper positioning key 63 and the lower positioning key 61, and the second threaded hole is fixedly arranged at the upper part of the upper positioning key 63. The first upper screw rod 65 is threadedly connected to the first threaded hole 64. The first upper screw rod 65 matches the first threaded hole 64 and can pass through the first threaded hole 64 by rotating the first upper screw rod 65. The first lower screw rod 66 is threadedly connected to the second threaded hole. The first lower screw rod 66 matches the second threaded hole and can pass through the second threaded hole by rotating the first lower screw rod 66. The first fixture table 62 is fixedly connected to the workbench 1 by bolts. The tops of the upper positioning key 63 and the lower positioning key 61 are both provided with notches, and the notches can correspond to the corresponding openings at the bottom of the crankshaft bearing seat for ships. Figure 4 As shown, the shape of the notch is a convex triangular prism.
[0047] like Figure 5 As shown, the lateral adjustment fixture 5 includes a third threaded hole, a fourth threaded hole 52, a second upper screw rod 54, a second lower screw rod 51 and a second fixture table 53; the third threaded hole and the fourth threaded hole 52 are installed on the second fixture table 53, and the third threaded hole is located above the fourth threaded hole 52. The second upper screw rod 54 threadedly connected to the third threaded hole is arranged in the third threaded hole, and the second upper screw rod 54 matches the third threaded hole, and the third threaded hole can be passed through by rotating the second upper screw rod 54. The first fixture table 62 is fixedly connected to the workbench 1 by bolts. The second lower screw rod 51 threadedly connected to the fourth threaded hole 52 is arranged in the fourth threaded hole 52, and the second lower screw rod 51 matches the fourth threaded hole 52, and the fourth threaded hole 52 can be passed through by rotating the second lower screw rod 51. The second fixture table 53 is fixedly connected to the workbench 1 by bolts.
[0048] The distance between the upper positioning key 63 and the lower positioning key 61 is 290 mm, and the 290 mm is a first unit number. The apertures of the first threaded hole 64, the second threaded hole, the third threaded hole, and the fourth threaded hole 52 are approximately 11% of the first unit number, the spacing between the first threaded hole 64 and the second threaded hole is the first unit number, and the spacing between the third threaded hole and the fourth threaded hole 52 is the first unit number.
[0049] The ship crankshaft bearing seats include 60 type ship crankshaft bearing seats and 50 type ship crankshaft bearing seats.
[0050] The specific implementation process is as follows:
[0051] When the 60-type ship crankshaft bearing seat is hoisted onto the grinding and clamping device for the ship crankshaft bearing seat, the bottom end of the 60-type ship crankshaft bearing seat will first contact the upper positioning key 63, and the notch of the upper positioning key 63 can easily fit with the corresponding opening of the base of the 60-type ship crankshaft bearing seat, saving installation time and improving installation efficiency; and contact the first support column 2, and use the upper positioning key 63 and the first support column 2 to position and support the 60-type ship crankshaft bearing seat respectively, and then rotate the first upper screw 65 and the second upper screw 54 through the first threaded hole 64 and the third threaded hole and through the threaded holes correspondingly arranged on the outer surface of the 60-type ship crankshaft bearing seat in sequence, so as to achieve the effect of tightening and fixing the 60-type ship crankshaft bearing seat. It should be noted that at this time, the 60-type ship crankshaft bearing seat is perpendicular to the longitudinal adjustment fixture 6 and the transverse adjustment fixture 5 respectively.
[0052] When the 50-type ship crankshaft bearing seat is hoisted onto the grinding and clamping device for the ship crankshaft bearing seat, the bottom end of the 50-type ship crankshaft bearing seat will first contact the lower positioning key 61, and the notch of the upper positioning key 63 can easily fit with the corresponding opening of the base of the 50-type ship crankshaft bearing seat, saving installation time and improving installation efficiency; and contact the second support column 3, using the lower positioning key 61 and the second support column 3 to position and support the 50-type ship crankshaft bearing seat, and then by rotating the first lower screw 66 and the second lower screw 51, respectively through the second threaded hole and the fourth threaded hole 52 and through the threaded holes correspondingly arranged on the outer surface of the 50-type ship crankshaft bearing seat, so as to achieve the effect of tightening and fixing the 50-type ship crankshaft bearing seat. It should be noted that at this time, the 50-type ship crankshaft bearing seat is perpendicular to the longitudinal adjustment fixture 6 and the transverse adjustment fixture 5.
[0053] The beneficial effects of this embodiment
[0054] This embodiment provides a longitudinal adjustment fixture 6, a transverse adjustment fixture 5 and a support seat that is multi-directional and firm from the front, back, left, right and bottom. It can also install the ship crankshaft bearing seat more quickly by providing a positioning key 4. At the same time, the first support column 2, the second support column 3, the upper positioning key 63, the lower positioning key 61, the first upper screw 65, the first lower screw 66, the second upper screw 54 and the second lower screw 51 can be used to position, clamp and support different types of ship crankshaft bearing seats, and more space area of the ship crankshaft bearing seat can be exposed to facilitate the grinding of the ship crankshaft bearing seat under the action of external force when using a robot. It can also be more efficient and convenient, and can also grind the ship crankshaft bearing seat over a larger range.
[0055] At the same time, the distance between the upper positioning key 63 and the lower positioning key 61 is 290mm, and the spacing between the first threaded hole 64 and the second threaded hole is also 290mm, which is just greater than the height of the 50-type bearing seat, that is, 214mm, and the height of the support seat can be adjusted. In addition, the distance between the upper positioning keys 63 that are opposite to each other is greater than the distance between the lower positioning keys 61 that are opposite to each other, which can meet the requirements of using the marine crankshaft bearing seat grinding and clamping device to install different types of marine crankshaft bearing seats at the same time. If it is necessary to grind the marine crankshaft bearing seat together to save man-hours, and the grinding position is mainly that different types of bearing seats are installed together on the marine crankshaft bearing seat grinding and clamping device, the corresponding parts can also be exposed, and the corresponding parts can be polished by machines or humans when different types of marine crankshaft bearing seats are installed at the same time. This situation is especially suitable for the case where the grinding interval is not long and the workload is large, and different types of bearing seats are installed at the same time for grinding.
[0056] Embodiment 2
[0057] Different from the first embodiment, Figure 6 As shown, the first support column 2 includes a first spiral support rod 21 for adjusting the height and a first support base 22, and the first support base 22 is fixedly installed on the workbench 1 by bolts. The first threaded support rod is provided with an external thread, and the interior of the first support base 22 is provided with an internal thread, and the first threaded support rod and the first support base 22 are connected by a screw.
[0058] The beneficial effects of this embodiment
[0059] The 60-type ship crankshaft bearing seat is supported by the height-adjustable first spiral support rod 21. When the robot is used to grind the ship crankshaft bearing seat, a certain gap between the 60-type ship crankshaft bearing seat and the workbench 1 is required so that the robot can be used to grind the 60-type ship crankshaft bearing seat base. At the same time, the part of the 60-type ship crankshaft bearing seat base that cannot be polished by the robot, that is, the part where the gap between the 60-type ship crankshaft bearing seat base and the ship crankshaft bearing seat grinding clamping device is small, can be manually polished by adjusting the height.
[0060] It should be noted that, regarding other parts not mentioned, the parts include specific devices and implementation methods, please refer to the aforementioned method embodiment part, and no further details will be given here.
[0061] Embodiment 3
[0062] The difference from the first and second embodiments is that Figure 7As shown, the second support column 3 includes a second spiral support rod 31 for adjusting the height and a second support base 32, and the second support base 32 is fixedly installed on the workbench 1 by bolts. The second threaded support rod is provided with an external thread, and the interior of the second support base 32 is provided with an internal thread, and the second threaded support rod and the second support base 32 are connected by a screw.
[0063] The beneficial effects of this embodiment
[0064] The 50-type ship crankshaft bearing seat is supported by a first spiral support rod with adjustable height. When a robot is used to grind the ship crankshaft bearing seat, a certain gap between the 50-type ship crankshaft bearing seat and the workbench is required so that the robot can be used to grind the 50-type ship crankshaft bearing seat base. At the same time, the part of the 50-type ship crankshaft bearing seat base that cannot be polished by the robot, that is, the part with a smaller gap between the 50-type ship crankshaft bearing seat base and the ship crankshaft bearing seat grinding clamping device, can be manually polished by adjusting the height.
[0065] It should be noted that, with regard to other parts not mentioned, the parts include specific devices and implementation methods, please refer to the aforementioned method embodiment part, and no further details will be given here.
[0066] Although the subject matter has been described in language specific to structural features and / or methodological logical actions, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. On the contrary, the specific features and actions described above are merely example forms of implementing the claims.
[0067] The above is only an embodiment of the utility model. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to explain the content of the claims.
Claims
1. A grinding and clamping device for a crankshaft bearing seat for a ship, comprising a workbench and a crankshaft bearing seat for a ship, characterized in that: Also includes: A plurality of longitudinal adjustment fixtures are symmetrically fixedly installed on the workbench, including a first threaded hole, a second threaded hole, a first upper screw, a first lower screw, an upper positioning key, a lower positioning key and a first fixture table; the upper positioning key and the lower positioning key are both arranged on the first fixture table, the upper positioning key is located above the lower positioning key, the first threaded hole is arranged between the upper positioning key and the lower positioning key, the second threaded hole is arranged on the upper part of the upper positioning key, the first threaded hole is provided with a first upper screw threadedly connected thereto, and the second threaded hole is provided with a first lower screw threadedly connected thereto; At least two lateral adjustment fixtures are fixedly mounted on the workbench, and include a third threaded hole, a fourth threaded hole, a second upper screw, a second lower screw, and a second fixture table; the third threaded hole and the fourth threaded hole are both arranged on the first fixture table, the third threaded hole is located above the fourth threaded hole, the third threaded hole is provided with a second upper screw threadedly connected thereto, and the fourth threaded hole is provided with a second lower screw threadedly connected thereto; A plurality of support columns for supporting the bottom of a crankshaft bearing seat for a ship are installed on a workbench.
2. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 1 is characterized in that: The longitudinal adjustment fixture is perpendicular to the crankshaft bearing seat for ships, and the transverse adjustment fixture is perpendicular to the crankshaft bearing seat for ships.
3. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 2, characterized in that: The plurality of support columns for supporting the bottom of the crankshaft bearing seat for ships are located in front of the workbench, the transverse adjustment fixture is located behind the workbench, and the longitudinal adjustment fixture is located on the left and right sides of the workbench.
4. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 1, characterized in that: The plurality of support columns for supporting the bottom of a crankshaft bearing seat for a ship include a first support column and a second support column.
5. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 4, characterized in that: The workbench is provided with a crossbeam, the crossbeam connects the left and right sides of the workbench, and the second supporting column is installed on the crossbeam.
6. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 4, characterized in that: The first support column includes a first spiral support rod for adjusting height and a first support base. The first support base is arranged on a workbench, and the first spiral support rod is connected to the first support base.
7. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 5, characterized in that: The second support column includes a second spiral support rod for adjusting the height and a second support base, the second support base is arranged on the crossbeam, and the second spiral support rod is connected to the second support base.
8. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 1, characterized in that: The top of the upper positioning key is provided with a notch for positioning the bottom of the crankshaft bearing seat for a ship.
9. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 1, characterized in that: The distance between the upper positioning key and the lower positioning key is 290 mm.
10. The grinding and clamping device for a crankshaft bearing seat for a ship according to claim 1, characterized in that: The distance between the first threaded hole and the second threaded hole is 290 mm.