An integrated platform for the inspection, transportation, storage and maintenance of rotating equipment

Abstract

This invention belongs to the field of mechanical design technology, specifically relating to an integrated platform for the inspection, transportation, storage, and maintenance of rotating equipment. The invention includes a base, a bracket, a support device, a sliding support device, and a clamping device. The outer side of the rear main support plate in the bracket device is welded to the front end face of the rear axial reinforcing beam in the base device; the outer side of the front main support plate in the bracket device is welded to the rear end face of the front axial reinforcing beam in the base device; the lower end face of the vertical support in the support device is welded to the upper end face of the longitudinal reinforcing beam in the base device; the lower inclined surfaces of the right and left inclined supports in the support device are welded to the inner sides of the left and right axial beams in the base device; and the bottom surface of the sliding base in the sliding support device is fitted to the upper end faces of the rear and front slide rails in the base device. This invention has a simple structure, is easy to operate, and can realize integrated functions such as inspection, transportation, storage, and maintenance of rotating equipment.

Description

Technical Field

[0001] This invention belongs to the field of mechanical design technology, specifically relating to an integrated platform for the inspection, transportation, storage and maintenance of rotating equipment. Background Technology

[0002] When large rotating equipment in nuclear power plants undergoes disassembly and overhaul, the priority is to adopt a whole-unit core assembly replacement maintenance mode. This involves removing the old core assembly from the rotating equipment, transporting the pre-repaired new core assembly to the site and reinstalling it into the rotating equipment, and then using spare time to inspect and repair the replaced old core assembly. After inspection and repair, the core assemblies are transported to a warehouse for storage, and regular turning and maintenance are performed on the stored core assemblies. Currently, there is a lack of an integrated platform for rotating equipment that integrates inspection, transportation, storage, and maintenance functions, which hinders the implementation of maintenance work. Summary of the Invention

[0003] The technical problem solved by this invention is to provide an integrated platform for the inspection, transportation, storage and maintenance of rotating equipment. The platform has a simple structure, is easy to operate, and can realize integrated functions such as inspection, transportation, storage and maintenance of rotating equipment.

[0004] The technical solution adopted in this invention is as follows:

[0005] An integrated platform for the inspection, transportation, storage, and maintenance of rotating equipment includes a base, a bracket, a support device, a sliding support device, and a clamping device. The outer side of the rear main support plate in the bracket device is welded to the front end face of the rear axial reinforcing beam in the base device; the outer side of the front main support plate in the bracket device is welded to the rear end face of the front axial reinforcing beam in the base device; the rear main support plate, front main support plate, and middle main support plate in the base device are welded to the left and right axial beams; and the lower end face of the vertical support in the support device is connected to the upper end face of the longitudinal reinforcing beam in the base device. End face welding connection; weld the inner side of the vertical support in the support device to the outer side of the rear axial reinforcing beam and the outer side of the front axial reinforcing beam in the base device; weld the lower inclined surfaces of the right and left inclined supports in the support device to the inner sides of the left and right axial beams in the base device; thread the external hexagonal head bolts in the clamping device to the threaded holes of the fixed cover plate in the support device; fit the bottom surface of the sliding base in the sliding frame device to the upper end surface of the rear slide rail and the upper end surface of the front slide rail in the base device, and connect the sliding base to the rear slide rail and the front slide rail by bolts.

[0006] The base includes a left axial crossbeam, a rear longitudinal crossbeam, a rear slide rail, a right axial crossbeam, a sealing belt binding lug, a rear axial reinforcing crossbeam, a front axial reinforcing crossbeam, a front slide rail, a front longitudinal crossbeam, a base plate, and a longitudinal reinforcing crossbeam. The inner side of the left axial crossbeam is welded to the left side of the rear longitudinal crossbeam and the left side of the front longitudinal crossbeam, respectively. The upper end face of the left axial crossbeam is flush with the upper end face of the rear longitudinal crossbeam and the upper end face of the front longitudinal crossbeam, respectively. The inner side of the right axial crossbeam is welded to the right side of the rear longitudinal crossbeam and the right side of the front longitudinal crossbeam, respectively. The upper end face of the right axial crossbeam is flush with the upper end face of the rear longitudinal crossbeam and the upper end face of the front longitudinal crossbeam, respectively.

[0007] The upper end face of the longitudinal reinforcing crossbeam is welded to the lower end face of the left axial crossbeam and the lower end face of the right axial crossbeam respectively; the upper end face of the base plate is welded to the lower end face of the longitudinal reinforcing crossbeam.

[0008] The lower end face of the rear axial reinforcing crossbeam is welded to the upper end face of the longitudinal reinforcing crossbeam; the rear end face of the rear axial reinforcing crossbeam is welded to the inner side of the rear longitudinal crossbeam.

[0009] The lower end face of the front axial reinforcing crossbeam is welded to the upper end face of the longitudinal reinforcing crossbeam; the front end face of the front axial reinforcing crossbeam is welded to the inner side of the front longitudinal crossbeam.

[0010] The inner side of the left axial crossbeam is welded to the left end face of the rear slide rail and the left end face of the front slide rail, respectively. The upper end face of the left axial crossbeam is flush with the upper end face of the rear slide rail and the upper end face of the front slide rail, respectively. The inner side of the right axial crossbeam is welded to the right end face of the rear slide rail and the right end face of the front slide rail, respectively. The upper end face of the right axial crossbeam is flush with the upper end face of the rear slide rail and the upper end face of the front slide rail, respectively.

[0011] The sealing belt binding lugs are inserted into the inner hole of the upper end face of the left axial crossbeam, and the wind turbine belt binding lugs are welded to the left axial crossbeam; the sealing belt binding lugs are inserted into the inner hole of the upper end face of the right axial crossbeam, and the wind turbine belt binding lugs are welded to the right axial crossbeam.

[0012] The bracket includes a rear main support plate, a support base plate, a support side plate, a front main support plate, and a middle main support plate. The inner side of the rear main support plate is welded to the rear end face of the support base plate and the rear end face of the support side plate, respectively. The inner side of the front main support plate is welded to the front end face of the support base plate and the front end face of the support side plate, respectively. The inner inclined surface of the middle main support plate is welded to the bottom surface of the support side plate. The inner upper surface of the middle main support plate is welded to the bottom surface of the support base plate.

[0013] The support device includes a fixed cover plate, a shaped bearing bush, a stop block, a height adjusting screw, a right inclined support, a vertical support, and a left inclined support. The inner side of the vertical support is welded to the left and right end faces of the movable base of the shaped bearing bush; the lower end face of the stop block is welded to the upper end face of the movable base of the shaped bearing bush; the height adjusting screw is threaded to the threaded hole of the movable base of the shaped bearing bush; the upper inclined surface of the right inclined support is welded to the outer side of the vertical support; and the upper inclined surface of the left inclined support is welded to the outer side of the vertical support.

[0014] The sliding display stand includes a rear support leg, a sliding base, and a display stand crossbeam. The upper end face of the rear support leg is welded to the lower end face of the display stand crossbeam; the upper end face of the sliding base is welded to the lower end face of the rear support leg.

[0015] The clamping device includes an internal hex head bolt, a clamping beam, and a clamping block. The upper end face of the clamping block is in contact with the lower end face of the clamping beam, and the clamping block and the clamping beam are fastened together by the internal hex head bolt.

[0016] It can realize shaft runout measurement, rotor runout measurement, core package storage and maintenance, and core package transportation.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] (1) The present invention provides an integrated platform for the maintenance, transportation, storage and repair of rotating equipment. It has a simple structure and is easy to operate. It can measure data such as shaft runout, rotor runout and thrust disc deflection of rotating equipment.

[0019] (2) The present invention provides an integrated platform for the maintenance, transportation, storage and upkeep of rotating equipment, which can realize the safe and stable transportation, overall storage and upkeep of rotating equipment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall assembly of an integrated platform for the inspection, transportation, storage and maintenance of rotating equipment provided by the present invention;

[0021] Figure 2 A schematic diagram of a rotating equipment maintenance, transportation, storage and upkeep integrated platform base device provided by the present invention;

[0022] Figure 3 A schematic diagram of an integrated platform bracket device for the maintenance, transportation, storage and upkeep of rotating equipment provided by the present invention;

[0023] Figure 4 A schematic diagram of a support device for an integrated platform for the inspection, transportation, storage and maintenance of rotating equipment provided by the present invention;

[0024] Figure 5 A schematic diagram of a sliding frame device for an integrated platform for the inspection, transportation, storage and maintenance of rotating equipment provided by the present invention;

[0025] Figure 6 A schematic diagram of a clamping device for an integrated platform for the inspection, transportation, storage and maintenance of rotating equipment provided by the present invention;

[0026] Figure 7 A schematic diagram illustrating shaft runout measurement for an integrated platform for the inspection, transportation, storage, and maintenance of rotating equipment provided by this invention.

[0027] Figure 8 A schematic diagram illustrating rotor runout measurement for an integrated platform for the inspection, transportation, storage, and maintenance of rotating equipment provided by this invention.

[0028] Figure 9 A schematic diagram illustrating the rotary equipment maintenance process provided by this invention, including its integrated platform for inspection, transportation, storage, and upkeep.

[0029] Figure 10 This is a schematic diagram illustrating the transportation of an integrated platform for the inspection, transportation, storage, and maintenance of rotating equipment provided by the present invention.

[0030] In the diagram: 1. Left axial crossbeam, 2. Rear longitudinal crossbeam, 3. Rear slide rail, 4. Right axial crossbeam, 5. Windmill with binding lugs, 6. Rear axial reinforcing crossbeam, 7. Front axial reinforcing crossbeam, 8. Front slide rail, 9. Front longitudinal crossbeam, 10. Base plate, 11. Longitudinal reinforcing crossbeam, 12. Rear main support plate, 13. Support base plate, 14. Support side plate, 15. Front main support plate, 16. Middle main support plate, 17. Fixed. 18. Fixed cover plate, 19. Irregular bearing shell, 20. Stop block, 21. Height adjustment screw, 22. Right diagonal support, 23. Vertical support, 24. Left diagonal support, 25. Rear support leg, 26. Sliding base, 27. Table frame crossbeam, 28. External hex head bolt, 29. Internal hex head bolt, 30. Clamping crossbeam, 31. Clamping block, 32. Shaft, 33. Core package, 34. Impeller, 35. Balance drum, 36. Thrust disc. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] like Figure 1 The integrated platform for maintenance, transportation, storage, and repair of rotating equipment provided by the present invention includes a left axial crossbeam 1, a rear longitudinal crossbeam 2, a rear slide rail 3, a right axial crossbeam 4, a windmill with binding lugs 5, a rear axial reinforcing crossbeam 6, a front axial reinforcing crossbeam 7, a front slide rail 8, a front longitudinal crossbeam 9, a base plate 10, a longitudinal reinforcing crossbeam 11, a rear main support plate 12, a support base plate 13, a support side plate 14, a front main support plate 15, a middle main support plate 16, a fixed cover plate 17, a special-shaped bearing bush 18, a stop block 19, a height adjustment screw 20, a right diagonal support 21, a vertical support 22, a left diagonal support 23, a rear support leg 24, a sliding base 25, a table frame crossbeam 26, an external hexagon head bolt 27, an internal hexagon head bolt 28, a clamping crossbeam 29, and a clamping block 30.

[0035] like Figure 2 As shown, the inner side of the left axial crossbeam 1 is welded to the left side of the rear longitudinal crossbeam 2 and the left side of the front longitudinal crossbeam 9, respectively, and the upper end face of the left axial crossbeam 1 is flush with the upper end face of the rear longitudinal crossbeam 2 and the upper end face of the front longitudinal crossbeam 9, respectively; the inner side of the right axial crossbeam 4 is welded to the right side of the rear longitudinal crossbeam 2 and the right side of the front longitudinal crossbeam 9, respectively, and the upper end face of the right axial crossbeam 4 is flush with the upper end face of the rear longitudinal crossbeam 2 and the upper end face of the front longitudinal crossbeam 9, respectively.

[0036] The upper end face of the longitudinal reinforcing beam 11 is welded to the lower end face of the left axial beam 1 and the lower end face of the right axial beam 4 respectively; the upper end face of the base plate 10 is welded to the lower end face of the longitudinal reinforcing beam 11.

[0037] The lower end face of the rear axial reinforcing crossbeam 6 is welded to the upper end face of the longitudinal reinforcing crossbeam 11; the rear end face of the rear axial reinforcing crossbeam 6 is welded to the inner side of the rear longitudinal crossbeam 2.

[0038] The lower end face of the front axial reinforcing crossbeam 7 is welded to the upper end face of the longitudinal reinforcing crossbeam 11; the front end face of the front axial reinforcing crossbeam 7 is welded to the inner side of the front longitudinal crossbeam 9.

[0039] The inner side of the left axial crossbeam 1 is welded to the left end face of the rear slide rail 3 and the left end face of the front slide rail 8 respectively, and the upper end face of the left axial crossbeam 1 is flush with the upper end face of the rear slide rail 3 and the upper end face of the front slide rail 8 respectively; the inner side of the right axial crossbeam 4 is welded to the right end face of the rear slide rail 3 and the right end face of the front slide rail 8 respectively, and the upper end face of the right axial crossbeam 4 is flush with the upper end face of the rear slide rail 3 and the upper end face of the front slide rail 8 respectively.

[0040] The sealing belt binding lug 5 is inserted into the inner hole of the upper end face of the left axial crossbeam 1, and the windmill belt binding lug 5 is welded to the left axial crossbeam 1; the sealing belt binding lug 5 is inserted into the inner hole of the upper end face of the right axial crossbeam 4, and the windmill belt binding lug 5 is welded to the right axial crossbeam 4.

[0041] The base consists of the left axial crossbeam 1, the rear longitudinal crossbeam 2, the rear slide rail 3, the right axial crossbeam 4, the sealing belt binding lug 5, the rear axial reinforcing crossbeam 6, the front axial reinforcing crossbeam 7, the front slide rail 8, the front longitudinal crossbeam 9, the base plate 10, and the longitudinal reinforcing crossbeam 11.

[0042] like Figure 3 As shown, the inner side of the rear main support plate 12 is welded to the rear end face of the support base plate 13 and the rear end face of the support side plate 14, respectively; the inner side of the front main support plate 15 is welded to the front end face of the support base plate 13 and the front end face of the support side plate 14, respectively; the inner inclined surface of the middle main support plate 16 is welded to the bottom surface of the support side plate 14; and the upper inner surface of the middle main support plate 16 is welded to the bottom surface of the support base plate 13.

[0043] The rear main support plate 12, the support base plate 13, the support side plate 14, the front main support plate 15, and the middle main support plate 16 constitute a bracket;

[0044] like Figure 4 As shown, the inner side of the vertical support 22 is welded to the left and right end faces of the movable base of the irregular bearing bush 18; the lower end face of the stop block 19 is welded to the upper end face of the movable base of the irregular bearing bush 18; the height adjustment screw 20 is threaded to the threaded hole of the movable base of the irregular bearing bush 18; the upper inclined surface of the right inclined support 21 is welded to the outer side of the vertical support 22; and the upper inclined surface of the left inclined support 23 is welded to the outer side of the vertical support 22.

[0045] The fixed cover plate 17, the irregular bearing bush 18, the stop block 19, the height adjustment screw 20, the right diagonal support 21, the vertical support 22, and the left diagonal support 23 constitute the support device.

[0046] like Figure 5 As shown, the upper end face of the rear support leg 24 is welded to the lower end face of the table frame crossbeam 26; the upper end face of the sliding base 25 is welded to the lower end face of the rear support leg 24.

[0047] The rear support leg 24, the sliding base 25, and the table frame crossbeam 26 constitute a sliding table frame device.

[0048] like Figure 6 As shown, the upper end face of the clamping block 30 is in contact with the lower end face of the clamping beam 29, and the clamping block 30 and the clamping beam 29 are fastened together by the hexagonal head bolts 28.

[0049] The internal hex head bolt 28, the clamping beam 29, and the clamping block 30 constitute a clamping device;

[0050] The outer side of the rear main support plate 12 is welded to the front end face of the rear axial reinforcing beam 6 in the base device; the outer side of the front main support plate 15 is welded to the rear end face of the front axial reinforcing beam 7 in the base device.

[0051] The rear main support plate 12, the front main support plate 15, and the middle main support plate 16 are welded to the left axial crossbeam 1 and the right axial crossbeam 4.

[0052] The lower end face of the vertical support 22 is welded to the upper end face of the longitudinal reinforcing beam 11 in the base device.

[0053] The inner side of the vertical support 22 is welded to the outer side of the rear axial reinforcing beam 6 and the outer side of the front axial reinforcing beam 7 in the base device.

[0054] The lower inclined surfaces of the right inclined support 21 and the left inclined support 23 are welded to the inner surfaces of the left axial crossbeam 1 and the right axial crossbeam 4 in the base device.

[0055] The external hexagonal head bolt 27 is threadedly connected to the threaded hole of the fixed cover plate 17;

[0056] The bottom surface of the sliding base 25 is in contact with the upper surface of the rear slide rail 3 and the upper surface of the front slide rail 8. The sliding base 25 is connected to the rear slide rail 3 and the front slide rail 8 by bolts.

[0057] The specific usage method is as follows:

[0058] [1] Shaft runout measurement

[0059] like Figure 7As shown, the shaft is placed horizontally on the irregularly shaped bearing 18 of a rotating equipment inspection, transportation, storage and maintenance integrated platform; an appropriate amount of lubricating oil is added to the working surface of the irregularly shaped bearing 18; the height adjustment set screw 20 is rotated to adjust the shaft to a suitable height; the sliding dial indicator device is adjusted to a suitable position along the rear slide rail 3 and the front slide rail 8; the magnetic dial indicator base is attracted to the dial indicator frame beam 26, and the dial indicator pointer is placed vertically on the shaft at the position where the runout needs to be measured; the shaft is rotated to measure the shaft runout.

[0060] [2] Rotor runout measurement

[0061] like Figure 8 As shown, the rotor is placed horizontally on the irregularly shaped bearing 18 of an integrated platform for the maintenance, transportation, storage, and repair of rotating equipment; an appropriate amount of lubricating oil is added to the working surface of the irregularly shaped bearing 18; the height adjustment screw 20 is rotated to adjust the rotor to a suitable height; the sliding dial indicator device is adjusted to a suitable position along the rear slide rail 3 and the front slide rail 8; the magnetic dial indicator base is attracted to the dial indicator frame beam 26, and the dial indicator pointer is placed vertically on the rotor at the position where the runout needs to be measured; the rotor is rotated to measure the rotor runout.

[0062] [3] Core-pack storage disk drive maintenance

[0063] like Figure 9 As shown, the core package is placed horizontally on the irregular bearing 18 of a rotating equipment inspection, transportation, storage and maintenance integrated platform; an appropriate amount of lubricating oil is added to the working surface of the irregular bearing 18; the height adjustment screw 20 is rotated to adjust the core package rotor to a suitable height; the rotor is rotated 180°; and the height adjustment screw 20 is released.

[0064] [4] Core Packaging Transportation

[0065] like Figure 10 As shown, the core package is placed horizontally on the irregularly shaped bearing 18 of an integrated platform for the maintenance, transportation, storage, and repair of rotating equipment; the height adjustment screw 20 is rotated to adjust the core package rotor to a suitable height; the V-groove under the clamping block 30 in the clamping device is fitted with the shaft 31; the external hexagonal head bolt 27 in the clamping device is threadedly connected and tightened to the stop block 19 in the support device; the sealing tape is installed on the sealing tape binding lug 5 to fix the core package; the shackle is installed into the lifting holes of the rear main support plate 12 and the front main support plate 15, the lifting strap is installed on the shackle, and the integrated platform for the maintenance, transportation, storage, and repair of rotating equipment, together with the core package, is lifted by lifting tools and placed on a special vehicle for transportation.

[0066] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0067] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rotating equipment overhauling, transporting, storing, maintaining and integrating platform, characterized in that, The base device, the bracket device, the support device, the sliding table device, the pressing device, the outer side of the rear main support plate (12) in the bracket device is welded with the front end surface of the rear axial strengthening crossbeam (6) in the base device; the outer side of the front main support plate (15) in the bracket device is welded with the rear end surface of the front axial strengthening crossbeam (7) in the base device; the rear main support plate (12), the front main support plate (15) and the middle main support plate (16) in the bracket device are welded with the left axial crossbeam (1) and the right axial crossbeam (4); the lower end surface of the vertical support (22) in the support device is welded with the upper end surface of the longitudinal strengthening crossbeam (11) in the base device; the inner side of the vertical support (22) is welded with the outer side of the rear axial strengthening crossbeam (6) and the outer side of the front axial strengthening crossbeam (7) in the base device; the upper end surface of the vertical support (22) is provided with a fixed cover plate (17); the lower inclined surface of the right inclined support (21) and the left inclined support (23) in the support device is welded with the inner side of the right axial crossbeam (4) and the left axial crossbeam (1) in the base device respectively; the outer hexagonal head bolt (27) in the pressing device is screwed with the threaded hole of the fixed cover plate (17) in the support device; the bottom surface of the sliding base (25) in the sliding table device is attached to the upper end surface of the rear slide rail (3) and the upper end surface of the front slide rail (8) in the base device, and the sliding base (25) is connected with the rear slide rail (3) and the front slide rail (8) through bolts; The base device includes a left axial crossbeam (1), a rear longitudinal crossbeam (2), a rear slide rail (3), a right axial crossbeam (4), a car closing belt binding lifting lug (5), a rear axial strengthening crossbeam (6), a front axial strengthening crossbeam (7), a front slide rail (8), a front longitudinal crossbeam (9), a bottom plate (10), and a longitudinal strengthening crossbeam (11); the inner side of the left axial crossbeam (1) is welded with the left side of the rear longitudinal crossbeam (2) and the left side of the front longitudinal crossbeam (9) respectively, and the upper end surface of the left axial crossbeam (1) is flush with the upper end surface of the rear longitudinal crossbeam (2) and the upper end surface of the front longitudinal crossbeam (9) respectively; the inner side of the right axial crossbeam (4) is welded with the right side of the rear longitudinal crossbeam (2) and the right side of the front longitudinal crossbeam (9) respectively, and the upper end surface of the right axial crossbeam (4) is flush with the upper end surface of the rear longitudinal crossbeam (2) and the upper end surface of the front longitudinal crossbeam (9) respectively; The upper end surface of the longitudinal strengthening crossbeam (11) is welded with the lower end surface of the left axial crossbeam (1) and the lower end surface of the right axial crossbeam (4) respectively; the upper end surface of the bottom plate (10) is welded with the lower end surface of the longitudinal strengthening crossbeam (11); The lower end surface of the rear axial strengthening crossbeam (6) is welded with the upper end surface of the longitudinal strengthening crossbeam (11); the rear end surface of the rear axial strengthening crossbeam (6) is welded with the inner side of the rear longitudinal crossbeam (2); The lower end surface of the front axial strengthening crossbeam (7) is welded with the upper end surface of the longitudinal strengthening crossbeam (11); the front end surface of the front axial strengthening crossbeam (7) is welded with the inner side of the front longitudinal crossbeam (9); The inner side surface of the left axial cross beam (1) is welded to the left end surface of the rear slide rail (3) and the left end surface of the front slide rail (8), and the upper end surface of the left axial cross beam (1) is flush with the upper end surface of the rear slide rail (3) and the upper end surface of the front slide rail (8); the inner side surface of the right axial cross beam (4) is welded to the right end surface of the rear slide rail (3) and the right end surface of the front slide rail (8), and the upper end surface of the right axial cross beam (4) is flush with the upper end surface of the rear slide rail (3) and the upper end surface of the front slide rail (8); The sealing belt binding lifting lug (5) is inserted into the inner hole of the upper end surface of the left axial cross beam (1), and the windmill belt binding lifting lug (5) is welded to the left axial cross beam (1); the sealing belt binding lifting lug (5) is inserted into the inner hole of the upper end surface of the right axial cross beam (4), and the windmill belt binding lifting lug (5) is welded to the right axial cross beam (4); The bracket device comprises a rear main support plate (12), a support bottom plate (13), a support side plate (14), a front main support plate (15), and a middle main support plate (16), the inner side surface of the rear main support plate (12) is welded to the rear end surface of the support bottom plate (13) and the rear end surface of the support side plate (14); the inner side surface of the front main support plate (15) is welded to the front end surface of the support bottom plate (13) and the front end surface of the support side plate (14); the inner side inclined surface of the middle main support plate (16) is welded to the bottom surface of the support side plate (14); and the inner side upper surface of the middle main support plate (16) is welded to the bottom surface of the support bottom plate (13); The support device comprises a fixed cover plate (17), a special-shaped bearing bush (18), a stop block (19), a height adjustment top screw (20), a right inclined support (21), a vertical support (22), and a left inclined support (23), the inner side surface of the vertical support (22) is welded to the left and right end surfaces of the movable base of the special-shaped bearing bush (18); the lower end surface of the stop block (19) is welded to the upper end surface of the movable base of the special-shaped bearing bush (18); the height adjustment top screw (20) is threadedly connected to the threaded hole of the movable base of the special-shaped bearing bush (18); the upper inclined surface of the right inclined support (21) is welded to the outer side surface of the vertical support (22); and the upper inclined surface of the left inclined support (23) is welded to the outer side surface of the vertical support (22); The sliding table stand device comprises a rear leg (24), a sliding base (25), and a table stand cross beam (26), the upper end surface of the rear leg (24) is welded to the lower end surface of the table stand cross beam (26); and the upper end surface of the sliding base (25) is welded to the lower end surface of the rear leg (24); The pressing device comprises an internal hex head bolt (28), a pressing cross beam (29), and a pressing block (30), the upper end surface of the pressing block (30) is attached to the lower end surface of the pressing cross beam (29), and the pressing block (30) and the pressing cross beam (29) are fastened by the internal hex head bolt (28).

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