Motor support replacement tool for marine small crane test

Abstract

The invention discloses a motor support replacement tool for a marine small crane test, which comprises a test bed hamper, a middle box transition section and a tower body, the middle box transition section is arranged on the test bed hamper, the tower body is arranged on the middle box transition section, and an adjustable motor mounting frame is arranged in the middle box transition section; the motor mounting frame comprises a transition plate fixedly arranged in the transition section of the middle box, a motor connecting plate is arranged on the transition plate, and the motor mounting frame is used for adjusting and fixing the transverse or longitudinal position of the motor body. Equipment debugging is carried out through temporary installation cooperation of the transition section of the middle box and the slewing bearing on the tower body, and therefore cutting and grinding of the tower body of the crane caused by cutting are avoided. In an out-field function test of a manufacturer, a middle box transition section is used for replacing a foundation pillar out-field test, and because a motor is designed to be fixed on a bracket in the foundation pillar, a part of brackets are required to be mounted in the middle box transition section to replace the motor bracket in the foundation pillar to fix the motor.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical equipment, and in particular to a motor bracket replacing tooling for a small marine crane test. Background Art

[0002] According to the applicant, in recent years, with the development of the shipbuilding industry and the increasing demand for deck cranes, product research and development and innovation have become important driving forces for the development of enterprises. In order to ensure that the quality and performance of the products meet expectations, some functional tests need to be carried out in the manufacturer before the products are put into use by users. This can help enterprises understand the key indicators of product performance, reliability, safety, etc., so as to optimize product design and manufacturing processes and improve product competitiveness. Enterprises must reduce costs and improve efficiency in market competition in order to gain advantages in price and quality, so that enterprises can obtain greater profits in the market and achieve sustainable development of the company.

[0003] Before leaving the factory, the marine crane needs to be put on the field test bench for some functional tests to verify the firmness of the connection of the various parts of the crane, check whether there is interference between the various moving parts, and whether the parameters such as the movement speed after the load test meet the design requirements.

[0004] Because the lower part of the base column of the connection body between the lower part of the marine small crane designed by us and the deck or the base on the deck is mostly welded, when the small crane is moved to the field and connected to the test bench bunker, we will design an upper and lower flange transition section to replace the base column for functional testing. In order to save space, we will install the main power motor in the base column when designing the steel structure of the small crane. When the small crane is tested in the field, it is necessary to consider installing some brackets in the transition section of the middle box to fix the motor during the small crane test.

[0005] If we copy the motor bracket designed for the product and fix it in the transition section of the middle box when we are in the field, it will increase the design and manufacturing costs, and it can only be used for special purposes and cannot meet the field tests on various types of small cranes. This requires us to design a variety of motor brackets according to different types of small cranes, which cannot improve efficiency and reduce costs.

[0006] In view of the above, it is necessary to propose a motor bracket for marine small crane testing to replace the tooling to solve the above problems. Summary of the invention

[0007] The purpose of the present invention is to overcome the defects in the prior art and provide a motor bracket for testing a small marine crane to replace the tooling.

[0008] To achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a motor bracket for testing a small ship crane is used to replace tooling, comprising a test bench bunker, an intermediate box transition section, and a tower body, wherein the intermediate box transition section is installed on the test bench bunker, the tower body is arranged on the intermediate box transition section, and an adjustable motor mounting frame is arranged in the intermediate box transition section; the motor mounting frame comprises a transition plate fixedly arranged in the intermediate box transition section, a motor connecting plate is installed on the transition plate, and the motor mounting frame is used to adjust and fix the lateral or longitudinal position of the motor body.

[0009] Furthermore, the test bench bunker includes a cylindrical tube and a bunker flange, and the top of the cylindrical tube is provided with a bunker flange; the intermediate box transition section includes a circular tube section, a lower flange, and an upper flange, and the diameter of the circular tube section matches the diameter of the cylindrical tube, and the lower side of the circular tube section is provided with a lower flange, and the upper side is provided with an upper flange; a slewing bearing is provided at the bottom of the tower body, and the upper flange is connected to the flange of the slewing bearing.

[0010] Furthermore, the transition plate includes at least two symmetrically arranged fixed ear plates, which are welded and fixed to the inner wall of the cylindrical tube, and are provided with multiple first mounting holes; the motor mounting frame also includes a motor connecting plate, which is I-shaped and includes a motor mounting area and side ear plates protruding to both sides, and the side ear plates are installed on the fixed ear plates, and are provided with second mounting holes corresponding to the first mounting holes; the motor body is fixed on the motor connecting plate, and the motor connecting plate is provided with a plurality of wide-spaced motor mounting waist holes arranged longitudinally.

[0011] Furthermore, at least one side of the fixed ear plate is a welding edge, and a supporting back plate is provided between the back of the fixed ear plate and the inner arc-shaped inner wall of the cylindrical tube.

[0012] Furthermore, the transition plate is in the shape of a long strip, and its two ends are fixedly welded in the cylindrical tube. One side surface of the transition plate is in the shape of a rack and is provided with a first tooth surface. The transition plate is provided with two parallel teeth in the cylindrical tube. A motor connecting plate is installed on the transition plate. The back side of the motor connecting plate is provided with a second tooth surface meshing with the first tooth surface. The motor connecting plate is limited in its lateral distance installed on the transition plate by the meshing of the two tooth surfaces, and also includes a bolt locking member for locking the motor connecting plate to the transition plate.

[0013] Furthermore, the motor connecting plate includes a motor mounting portion, which is longitudinally arranged on the surface of the motor connecting plate, and height limiting side edges are provided on both sides of the motor mounting portion. The thickness of the height limiting side edges is greater than the thickness of the motor mounting portion, so that the motor mounting portion forms a relatively concave surface on the surface of the motor connecting plate, and a plurality of motor mounting waist holes are distributed on the motor mounting portion.

[0014] Furthermore, a height limiting beam is provided in the concave surface of the motor mounting portion, third tooth surfaces are provided on both sides of the height limiting beam, fourth tooth surfaces are provided on the side where the height limiting sides are close to each other, and the third tooth surface is meshed with the fourth tooth surface.

[0015] Furthermore, the height limiting crossbeam is provided with a transverse waist hole arranged in the transverse direction, and a locking bolt is provided through the motor mounting waist hole, the transverse waist hole and the motor body.

[0016] Furthermore, a universal coupling is provided at the output end of the motor body, and the other end of the universal coupling is connected to the rotating end on the bottom plate of the tower body.

[0017] The advantages and beneficial effects of the present invention are as follows: since the lower part of most of the base columns of small ship cranes are designed to be welded so as to be connected by welding with the deck or base on the ship, if the base column is welded to the bunker according to the design and welding requirements and then tested, it will affect the flatness of the flange surface on the upper part of the base column, and subsequent grinding and other processes are required, which greatly increases the manufacturing cost. In the present invention, the temporary installation of the intermediate box transition section and the slewing bearing on the tower body are used to debug the equipment, and the equipment can be completely dismantled after the test is completed, thereby avoiding cutting and grinding of the crane tower body caused by cutting. During the field functional test of the manufacturer, an intermediate box transition section will be used to replace the base column field test. Since the motor is designed to be fixed on the bracket in the base column, this requires us to install some brackets in the intermediate box transition to replace the motor bracket in the base column to fix the motor. This design is a motor connection plate designed based on this requirement.

[0018] Different types of marine cranes will choose different types of motors. If each type of motor has a corresponding motor connection plate, the manufacturing cost will be greatly increased. Considering the design cost, manufacturing cost and manufacturing cycle, we designed the middle area of ​​the motor connection plate to be large, which is convenient for drilling multiple rows of holes and suitable for motors of different models. At the same time, after the thickness of this plate is appropriately thickened, the role of the universal coupling is fully utilized (appropriately retractable) to mill waist-shaped holes upward or downward on the basis of the original hole, so that motors of similar models can also be installed and fixed, making full use of space, saving manpower and material resources, improving efficiency, reducing placement space, etc., making work more time-saving and labor-saving. At the same time, we also made full use of the space of the intermediate box transition section and the bunker, and designed this motor bracket to be relatively long, which can be turned around for installation and fixation, greatly utilizing the space of the motor connection plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a motor bracket for a small marine crane test replacing a tooling device according to the present invention; Figure 2 It is a connection diagram of the motor in the present invention; Figure 3 is an axonometric view of the first embodiment of the present invention; Figure 4 is an exploded view of the first embodiment of the present invention; Figure 5 is an axonometric view of a second embodiment of the present invention; Figure 6 is a schematic diagram of the installation of the motor in the second embodiment of the present invention; Figure 7 It is one of the exploded views of the second embodiment of the present invention; Figure 8 This is the second exploded view of the second embodiment of the present invention; In the figure: 1. Test bench bunker; 2. Intermediate box transition section; 3. Tower body; 4. Motor mounting frame; 5. Transition plate; 6. Motor body; 7. Motor connecting plate; 8. Cylinder; 9. Bunker flange; 10. Circular tube section; 11. Lower flange; 12. Upper flange; 13. Slewing bearing; 14. Fixed ear plate; 15. First mounting hole; 16. Motor mounting area; 17. Side ear plate; 18. Second mounting hole; 19. Motor mounting waist hole; 20. Welding edge; 21. Support back plate; 22. First tooth surface; 23. Second tooth surface; 25. Motor mounting part; 26. Height limit side; 27. Height limit beam; 28. Third tooth surface; 29. ​​Fourth tooth surface; 30. Horizontal waist hole; 32. Universal coupling; 33. Tower body bottom plate; 34. Rotating end. DETAILED DESCRIPTION

[0020] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention. Embodiment 1

[0021] A motor bracket for testing a small marine crane is used instead of a tooling, such as Figure 1-4 As shown, it includes a test bench bunker 1, an intermediate box transition section 2, and a tower body 3. The intermediate box transition section 2 is installed on the test bench bunker 1, and the tower body 3 is arranged on the intermediate box transition section 2. An adjustable motor mounting frame 4 is arranged in the intermediate box transition section 2; the test bench bunker 1 is a mounting base structure of various models prefabricated on an outdoor test bench, and the test bench bunker 1 includes a cylindrical barrel 8 and a bunker flange 9, and the top of the cylindrical barrel 8 is provided with a bunker flange 9; a cylindrical barrel 8 is prefabricated at the outdoor test site, and the cylindrical barrel 8 cooperates with the base of the crane being tested, and a bunker flange 9 for installation is arranged on the top of the cylindrical barrel 8.

[0022] Furthermore, the intermediate box transition section 2 includes a circular tube section 10, a lower flange 11, and an upper flange 12. The diameter of the circular tube section 10 matches the diameter of the cylindrical tube 8. The lower side of the circular tube section 10 is provided with a lower flange 11, and the upper side is provided with an upper flange 12. Figure 1As shown, the lower flange 11 is installed on the bunker flange 9, and the upper flange 12 is used to install the crane to be tested. A slewing bearing 13 is provided at the bottom of the tower body 3, and the upper flange 12 is connected to the flange of the slewing bearing 13. Since the device is connected to the crane to be tested by flange connection, it can be easily disassembled and fixed. After the test is completed, the crane can be removed by removing the upper flange 12, and there is no need for cutting, grinding, etc., so the integrity of the crane can be better maintained.

[0023] The motor mounting frame 4 includes a transition plate 5 fixedly arranged in the intermediate box transition section 2, and a motor connecting plate 7 is installed on the transition plate 5. The motor mounting frame 4 is used to adjust and fix the horizontal or vertical position of the motor body 6. Specifically, as Figure 1 , 3 As shown, the transition plate 5 includes at least two symmetrically arranged fixed ear plates 14, the fixed ear plates 14 are welded and fixed to the inner wall of the cylindrical tube 8, and a plurality of first mounting holes 15 are provided on the fixed ear plates 14; the motor mounting frame 4 also includes a motor connecting plate 7, the motor connecting plate 7 is in an I-shape and includes a motor mounting area 16 and side ear plates 17 protruding to both sides, the side ear plates 17 are installed on the fixed ear plates 14, and the side ear plates 17 are provided with second mounting holes 18 corresponding to the first mounting holes 15; when installing, the side ear plates 17 are Corresponding to the position of the fixed ear plate 14, a bolt is then used to pass through the first mounting hole 15 and the second mounting hole 18, and locked, so that the motor connecting plate 7 is firmly mounted on the fixed ear plate; it can be understood that in this embodiment, only the upper fixed ear plate 14 is provided. In specific implementation, a lower fixed ear plate 14 can also be added to fix the lower side ear plate 17; in actual use, multiple first mounting holes 15 can be arranged horizontally, so that the motor mounting plate can be easily adjusted to change the horizontal position to adapt to the installation of various types of motors; Furthermore, the motor body 6 is fixed on the motor connecting plate 7, and the motor connecting plate 7 is provided with a plurality of motor mounting waist holes 19 arranged longitudinally and at a wide distance. Figure 4 As shown, the mounting holes are arranged in pairs on both sides to accommodate the four fixing bolt positions of motors of different models. When the fixing bolts are inserted, since the length direction of the mounting holes is arranged longitudinally, the position of the motor can be adjusted in the height direction to adapt to the installation and fixation of motor bodies 6 of different lengths and sizes.

[0024] Furthermore, at least one side of the fixed ear plate 14 is a welding edge 20. In order to enhance the strength of the fixed ear plate 14, a supporting back plate 21 is provided between the back of the fixed ear plate 14 and the inner arc-shaped inner wall of the cylindrical tube 8; Figure 4As shown, the support back plate 21 can increase the contact area between the fixed ear plate 14 and the circular tube section 10, and is perpendicular to the fixing direction of the longitudinal welding edge 20, effectively increasing the strength of the fixed ear plate 14. Figure 2 As shown, a universal coupling 32 is provided at the output end of the motor body 6 , and the other end of the universal coupling 32 is connected to a rotating end 34 on the bottom plate of the tower body 3 .

[0025] The structure of the motor mounting frame 4 for the marine small crane test of the present design is mainly composed of a transition plate 5, a motor connecting plate 7, and connecting bolts, gaskets, etc. The transition plate 5 is designed to be welded to the lower part of the upper flange 12 of the intermediate box transition section 2 when the intermediate box transition section 2 is designed, so as to avoid the intermediate box welding machine and then welding the transition plate 5 to affect the flange flatness of the intermediate box transition section 2. An additional motor connecting plate 7 is made separately and connected to the transition plate 5 by bolts, gaskets, etc. Various combination mounting holes or waist-milling holes are made on this motor connecting plate 7, which is convenient for field tests of small cranes of different models, reducing design costs and manufacturing costs.

[0026] The specific operation process is as follows: 1. After the installation of the ship-mounted small crane tower body 3 and the boom is completed, the tower body 3 and the boom are transported to an appropriate location outside the field.

[0027] 2. Remove the protective cover on the test bench bunker 1 and put the protective cover in the appropriate position.

[0028] 3. Select the appropriate intermediate box transition section 2 and test bolts and gaskets according to the bunker flange 9 holes and the center line of the bunker flange 9 holes (or select the appropriate intermediate box transition section 2 for drilling).

[0029] 4. Clean the upper flange 12 of the bunker and the upper and lower flanges 11 of the intermediate box transition section 2.

[0030] 5. Lift the intermediate box transition section 2 to the upper part of the test bench bunker 1, and connect the intermediate box transition section 2 to the bunker with bolts, gaskets, etc.

[0031] 6. Lift the tower body 3 to a suitable position on the upper part of the intermediate box transition section 2, and after proper adjustment, connect the tower body 3 and the upper flange 12 of the intermediate box transition section 2 with bolts, gaskets, etc.

[0032] 7. Select an appropriate motor connecting plate 7, and provide a manhole on the round pipe section 10 for easy entry and installation (or punch a hole on the motor connecting plate 7, or mill a waist-shaped hole, etc. to facilitate installation of the motor).

[0033] 8. Connect the motor body 6 and the like to the bottom plate of the tower body 3 through the universal coupling 32, and connect them to the motor connecting plate 7 through bolts.

[0034] 9. Connect the arm to the tower body 3.

[0035] 10. Carry out functional test of small marine crane according to the designer’s test outline.

[0036] 11. After the test, remove the boom, tower body 3, intermediate box transition section 2, etc.

[0037] 10. Ending. Embodiment 2

[0038] like Figure 5-8 As shown, the transition plate 5 is in the shape of a long strip, and its two ends are fixedly welded in the cylindrical tube 8. Compared with the transition plate 5 of the short plate structure installed on both sides in the first embodiment, the transition plate 5 in this embodiment is more integrated and more solid, and can be used as a track for the lateral adjustment position of the motor; further, a first tooth surface 22 is provided in the shape of a rack on one side surface of the transition plate 5 to form a rack-like structure, and the transition plate 5 is provided with two parallel lines in the cylindrical tube 8. A motor connecting plate 7 is installed on the transition plate 5, and a second tooth surface 23 meshingly connected with the first tooth surface 22 is provided on the back of the motor connecting plate 7, as shown in FIG. Figure 7 As shown, when the motor connecting plate 7 is installed, the two second tooth surfaces 23 on the back thereof can be meshed with the first tooth surfaces 22 of the two transition plates 5. Once the meshing is formed, the motor is firmly positioned in the lateral direction to prevent the motor from sliding laterally during operation vibration. The motor connecting plate 7 limits the lateral distance of its installation on the transition plate 5 through the meshing of the two tooth surfaces, and also includes a bolt locking member for locking the motor connecting plate 7 on the transition plate 5, specifically, as shown in FIG. Figure 6 , 7 As shown, a transverse waist hole is provided on the transition plate 5, and a through hole is provided on the motor connecting plate 7 at a position corresponding to its height. Bolts are passed through the transverse waist hole and the motor mounting plate and locked to fix them.

[0039] Further, the motor connecting plate 7 includes a motor mounting portion 25, which is arranged longitudinally on the surface of the motor connecting plate 7, and height limiting side edges 26 are arranged on both sides of the motor mounting portion 25, and the thickness of the height limiting side edges 26 is greater than the thickness of the motor mounting portion 25, so that the motor mounting portion 25 forms a relatively concave surface on the surface of the motor connecting plate 7, and a plurality of motor mounting waist holes 19 are distributed on the motor mounting portion 25. Figure 8As shown, the multiple motor mounting waist holes 19 provided in the motor mounting part 25 are preset in width and aperture according to different motor models, so when the motor changes its lateral mounting position, it is sufficient to insert the bolt into the corresponding motor mounting waist hole 19. The motor mounting waist hole 19 limits the lateral position of the motor relative to the motor connecting plate 7, but it still has the risk of slipping in the longitudinal position. As an improvement, a height limiting beam 27 is provided in the concave surface of the motor mounting part 25, and a third tooth surface 28 is provided on both sides of the height limiting beam 27. A fourth tooth surface 29 is provided on the side where the height limiting side edges 26 are close to each other, and the third tooth surface 28 is meshed with the fourth tooth surface 29. During installation, the two ends of the height limiting beam are inserted into the third tooth surface 28 through the fourth tooth surface 29, so that the height position can be limited, and the height limiting beam 27 is provided with a transverse waist hole 30 arranged in the transverse direction, and a locking bolt is provided through the motor mounting waist hole 19, the transverse waist hole 30 and the motor body 6. Therefore, in this embodiment, the lateral position and longitudinal position of the motor installation can be conveniently adjusted, and both are fixed by tooth meshing to avoid vibration displacement during the operation of the motor.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A motor bracket for testing a small marine crane to replace the tooling, characterized in that: The invention comprises a test bench bunker (1), an intermediate box transition section (2), and a tower body (3). The intermediate box transition section (2) is installed on the test bench bunker (1), the tower body (3) is installed on the intermediate box transition section (2), and an adjustable motor mounting frame (4) is arranged in the intermediate box transition section (2); the motor mounting frame (4) comprises a transition plate (5) fixedly arranged in the intermediate box transition section (2), a motor connecting plate (7) is installed on the transition plate (5), and the motor mounting frame (4) is used to adjust and fix the horizontal or vertical position of the motor body (6).

2. According to claim 1, a motor bracket for a small marine crane test replacing tooling is characterized in that: The test bench bunker (1) comprises a cylindrical tube (8) and a bunker flange (9), wherein the top of the cylindrical tube (8) is provided with a bunker flange (9); the intermediate box transition section (2) comprises a circular tube section (10), a lower flange (11), and an upper flange (12), wherein the diameter of the circular tube section (10) matches the diameter of the cylindrical tube (8), the lower side of the circular tube section (10) is provided with a lower flange (11), and the upper side is provided with an upper flange (12); the bottom of the tower body (3) is provided with a slewing bearing (13), and the upper flange (12) is connected to the flange of the slewing bearing (13).

3. The motor bracket for replacing the tooling for a small marine crane test according to claim 2 is characterized in that: The transition plate (5) comprises at least two symmetrically arranged fixed ear plates (14), the fixed ear plates (14) being welded and fixed to the inner wall of the cylindrical tube (8), and the fixed ear plates (14) being provided with a plurality of first mounting holes (15); the motor connecting plate (7) is in an I-shape and comprises a motor mounting area (16) and side ear plates (17) protruding to both sides, the side ear plates (17) being mounted on the fixed ear plates (14), and the side ear plates (17) being provided with second mounting holes (18) corresponding to the first mounting holes (15); the motor body (6) is fixed on the motor connecting plate (7), and the motor connecting plate (7) is provided with a plurality of motor mounting waist holes (19) arranged longitudinally and having a wide spacing.

4. The motor bracket for replacing the tooling for a small marine crane test according to claim 3 is characterized in that: At least one side of the fixed ear plate (14) is a welding edge (20), and a supporting back plate (21) is provided between the back of the fixed ear plate (14) and the inner arc-shaped inner wall of the cylindrical tube (8).

5. The motor bracket for replacing the tooling for a small marine crane test according to claim 1 is characterized in that: The transition plate (5) is in the shape of a long strip, and its two ends are fixedly welded in the cylindrical tube (8). One side surface of the transition plate (5) is provided with a first tooth surface (22) in the shape of a rack. The transition plate (5) is provided with two parallel teeth in the cylindrical tube (8). A motor connecting plate (7) is mounted on the transition plate (5). The back side of the motor connecting plate (7) is provided with a second tooth surface (23) meshingly connected with the first tooth surface (22). The motor connecting plate (7) is limited in its lateral distance installed on the transition plate (5) by the meshing of the two tooth surfaces, and also includes a bolt locking member for locking the motor connecting plate (7) on the transition plate (5).

6. The motor bracket for replacing the tooling for a small marine crane test according to claim 5 is characterized in that: The motor connecting plate (7) comprises a motor mounting portion (25), the motor mounting portion (25) being arranged longitudinally on the surface of the motor connecting plate (7), height limiting side edges (26) being arranged on both sides of the motor mounting portion (25), the thickness of the height limiting side edges (26) being greater than the thickness of the motor mounting portion (25), so that the motor mounting portion (25) forms a relatively concave surface on the surface of the motor connecting plate (7), and a plurality of motor mounting waist holes (19) are distributed on the motor mounting portion (25).

7. The motor bracket for replacing the tooling for a small marine crane test according to claim 6 is characterized in that: A height limiting crossbeam (27) is provided in the concave surface of the motor mounting portion (25), third tooth surfaces (28) are provided on both sides of the height limiting crossbeam (27), and a fourth tooth surface (29) is provided on the side where the height limiting side edges (26) are close to each other, and the third tooth surface (28) meshes with the fourth tooth surface (29).

8. The motor bracket for replacing the tooling for a small marine crane test according to claim 7 is characterized in that: The height limiting crossbeam (27) is provided with a transverse waist hole (30) arranged in the transverse direction, and a locking bolt is provided through the motor mounting waist hole (19), the transverse waist hole (30) and the motor body (6).

9. A motor bracket for replacing tooling for a small marine crane test according to claim 4 or 8, characterized in that: A universal coupling (32) is provided at the output end of the motor body (6), and the other end of the universal coupling (32) is connected to a rotating end (34) on the bottom plate of the tower body (3).

Images