Transportation tool, transportation system and transportation method for lifting of heavy mass equipment

Abstract

This invention relates to the field of equipment lifting and transportation, specifically to a transportation fixture, transportation system, and transportation method for lifting large-mass equipment. The system includes: a lifting mechanism for providing lifting power, enabling the transportation fixture to lift or lower the entire equipment; the lifting mechanism comprises a lifting outer cylinder, a fixed inner cylinder, and a lifting unit, wherein the lifting outer cylinder is vertically positioned on the outside of the fixed inner cylinder and slidably connected thereto; the lifting unit is mounted on the fixed inner cylinder and is used to drive the lifting outer cylinder to move axially; a transportation mechanism is located at the bottom of the fixed inner cylinder and is used to move the equipment on the ground after it has been lifted; and a mounting assembly including a docking piece that matches the bottom frame of the equipment to be lifted, for detachably mounting the bottom frame of the equipment to be lifted onto the docking piece. This system is suitable for lifting and transporting large-mass equipment and occupies a small space.

Description

Technical Field

[0001] This invention relates to the field of equipment lifting and transportation, and more specifically, to a transportation tooling, transportation system, and transportation method for lifting large-mass equipment. Background Technology

[0002] In large-scale industrial production and equipment installation, the handling and positioning of heavy-duty equipment is a key technical aspect. Traditionally, the transfer of large, heavy-duty equipment typically relies on heavy lifting machinery such as gantry cranes and overhead cranes, or modular hydraulic flatbed trucks. These machines generally have an operating span of 10-30 meters, requiring a professional lifting team and strict height requirements for the work area. A typical operation includes: confirming the lifting points, selecting and verifying lifting equipment (including wire rope / synthetic fiber slings), and coordinating multiple lifting devices synchronously. Actual engineering cases show that in scenarios such as the lifting of petrochemical reaction towers and the installation of power plant turbines, especially where plant height is limited, conventional lifting equipment is unsuitable due to its large size. Summary of the Invention

[0003] The purpose of this invention is to provide a transport fixture for lifting large-mass equipment, which can be used for lifting and transferring large-mass equipment, and occupies little space.

[0004] Another object of the present invention is to provide a lifting and transport system that can be used for lifting and transferring large-mass equipment, and has a small footprint.

[0005] The technical solution of this invention is implemented as follows: A transport fixture for lifting heavy equipment, comprising: A lifting mechanism is used to provide lifting power so that the transport tooling drives the equipment to lift or lower as a whole; the lifting mechanism includes a lifting outer cylinder, a fixed inner cylinder and a lifting unit. The lifting outer cylinder is vertically arranged on the fixed inner cylinder and is located outside the fixed inner cylinder and slidably connected thereto. The lifting unit is arranged on the fixed inner cylinder and is used to drive the lifting outer cylinder to lift axially. A transport mechanism, located at the bottom of the fixed inner cylinder, is used to move the equipment on the ground after it is lifted. The mounting assembly includes a docking member that matches the bottom frame of the equipment to be lifted, for detachably mounting the bottom frame of the equipment to be lifted onto the docking member; The docking component is fixedly connected to the lifting outer cylinder to form a stable linkage structure between the equipment and the transport tooling.

[0006] Furthermore, the lifting unit adopts a worm gear and screw lifting mechanism, including a worm gear pair, a screw nut, a housing, and a lifting screw. The housing is located at the top of the fixed inner cylinder, the worm gear pair is located inside the housing, the lifting screw is installed on the inner ring of the worm gear and connected by a thread, a screw nut is also installed on the outside of the lifting screw, the screw nut is located below the worm gear, the lifting screw is located in the inner cavity of the fixed inner cylinder, the screw nut is fixedly installed at the top of the fixed inner cylinder, and the lifting screw, the screw nut and the central axis of the fixed inner cylinder coincide. The top of the lifting screw is fixedly connected to an outer cover, and the outer cover is placed on the outside of the housing. The top of the lifting outer cylinder is fixedly connected to the outer cover. By rotating the worm, the worm gear and screw lifting mechanism is driven, causing the lifting screw, the outer cover and the lifting outer cylinder to move together in the vertical direction, thereby achieving a smooth lifting of the equipment.

[0007] Furthermore, the worm gear screw lifting mechanism also includes a manual crank or an electric drive assembly, and a rocking part is provided at one end of the worm; One end of the manual crank is connected to the rocking part for manual lifting and lowering, or the output end of the electric drive assembly is connected to the rocking part for electric lifting and lowering.

[0008] Furthermore, a plurality of oil-free bushings are provided between the lifting outer cylinder and the fixed inner cylinder to achieve a sliding connection therebetween, and the oil-free bushings are fixedly connected to the lifting outer cylinder.

[0009] Furthermore, the transport mechanism includes a foot and caster assembly, the bottom of the fixed inner cylinder has a base plate, a threaded hole is vertically opened at the center of the base plate, and the threaded rod corresponding to the foot is threadedly connected to the threaded hole.

[0010] Furthermore, the caster assembly includes an axle, casters, and a connecting frame. The casters are respectively provided at both ends of the axle. The axle is fixedly connected to the lifting outer cylinder or the fixed inner cylinder through the connecting frame, and the two casters are symmetrically arranged about the lifting outer cylinder or the fixed inner cylinder.

[0011] Furthermore, a push-pull handle is also provided on the outer side of the lifting outer cylinder.

[0012] A lifting and transporting system includes the aforementioned transport fixtures for lifting large-mass equipment. At least three transport fixtures are arranged around the equipment, and the docking parts of each transport fixture are fixedly connected to the bottom frame of the equipment by fastening components to jointly lift the equipment off the ground.

[0013] Furthermore, the transport fixtures are configured in three triangular arrangements to improve connection stability and prevent the equipment from twisting or becoming unbalanced during the lifting process; At least two of the three docking parts on the three transport fixtures are different, so as to be used respectively for matching the three connections on the equipment.

[0014] A method for transporting large-mass equipment, employing the aforementioned lifting and transport system, includes the following steps: S1: Securely connect multiple transport tooling attachment components to the corresponding positions on the bottom frame of the equipment using docking parts; S2: Place the foot on a solid foundation to ensure stable support; S3: The operator turns the crank handle simultaneously or sequentially to drive the worm gear screw mechanism, so that the lifting screw rises synchronously and gradually raises the equipment; S4: Monitor the height difference of each tooling during the lifting process, control synchronization, and prevent the equipment from tilting; S5: After the equipment is raised to the predetermined height, the feet are screwed off the ground and the casters are placed on the ground. The equipment can move on the ground through the casters at the bottom of the transport fixture, and the transport fixture and the entire equipment are pushed to move the equipment to the destination, thus completing the equipment transport.

[0015] Compared with the prior art, the beneficial effects of the present invention are: This solution provides a transport fixture for lifting large-mass equipment. It uses fastening components to securely connect the docking parts to the corresponding connection holes on the bottom frame (base frame) of the equipment. The lifting mechanism, driven manually or electrically, lifts the outer cylinder along with the equipment, thus attaching the equipment to the fixture. Lifting stops once the equipment is completely off the ground. In practical use, multiple transport fixtures are arranged around the equipment, working together to lift and support it. Once the equipment is confirmed to be balanced, the equipment, along with the fixtures, is moved as a whole, completing the lifting, transport, and transfer of the equipment. Compared to heavy lifting machinery such as gantry cranes and bridge cranes, this fixture occupies less space, making it suitable for lifting and transporting large-mass equipment in confined spaces. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an isometric view of a single transport tool of the present invention; Figure 2 This is a cross-sectional view of the transport tooling of the present invention; Figure 3This is a schematic diagram of the structure of the present invention, which provides an oil-free bushing between the bottom end of the lifting outer cylinder and the fixed inner cylinder. Figure 4 This is a schematic diagram of the lifting and transport system of the present invention.

[0018] In the picture: 1- Worm gear screw lifting mechanism; 2- Screw nut; 3- Oil-free bushing; 4- Lifting screw; 5- Lifting outer cylinder; 6- Push-pull handle; 7- Connecting frame; 8- Fixed inner cylinder; 801- Base plate; 9- Outer cover; 10- Foot; 11- Casters; 12- Rocking part; 13- Manual crank handle; 14- Connecting part; 15- Worm gear. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] 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, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and 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, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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.

[0025] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0026] Example 1 Reference Figures 1-4 This embodiment provides a transport fixture for lifting large-mass equipment, which includes: The lifting mechanism is used to provide lifting power so that the transport tooling drives the equipment to lift or lower as a whole. The lifting mechanism includes a lifting outer cylinder 5, a fixed inner cylinder 8 and a lifting unit. The lifting outer cylinder 5 is set vertically on the fixed inner cylinder 8 and is located outside the fixed inner cylinder 8 and is slidably connected thereto. The lifting unit is set on the fixed inner cylinder 8 and is used to drive the lifting outer cylinder 5 to lift axially. The transport mechanism, located at the bottom of the fixed inner cylinder 8, is used to move the equipment on the ground after it is lifted. The mounting assembly includes a docking member 14, which matches the bottom frame of the equipment to be lifted and is used to detachably mount the bottom frame of the equipment to be lifted onto the docking member 14. The docking component 14 is fixedly connected to the lifting outer cylinder 5 to form a stable linkage structure between the equipment and the transport tooling.

[0027] The lifting unit adopts a worm gear screw lifting mechanism 1, including a worm gear pair, a screw nut 2, a housing, and a lifting screw 4. The housing is located on top of the fixed inner cylinder 8. The worm gear pair is located inside the housing. The lifting screw 4 is installed on the inner ring of the worm gear and connected by threads. The screw nut 2 is also installed on the outside of the lifting screw 4. The screw nut 2 is located below the worm gear. The lifting screw 4 is located in the inner cavity of the fixed inner cylinder 8. The screw nut 2 is fixedly installed on the top of the fixed inner cylinder 8, and the lifting screw 4, screw nut 2 and the central axis of the fixed inner cylinder 8 are coincident. The top of the lifting screw 4 is fixedly connected to the outer cover 9, and the outer cover 9 covers the outside of the housing. The top of the lifting outer cylinder 5 is fixedly connected to the outer cover 9. By rotating the worm 15, the worm gear screw lifting mechanism 1 is driven, which drives the lifting screw 4, the outer cover 9 and the lifting outer cylinder 5 to move together in the vertical direction, thereby realizing the smooth lifting of the equipment. Note: Worm gear screw jacks are existing technology. This improvement involves using them on a transport fixture or trolley, fixing them to the fixed inner cylinder 8. The lifting screw 4 drives the outer cover 9 and the outer lifting cylinder 5 to rise and fall synchronously, thus raising and lowering the equipment. When the outer lifting cylinder 5 is in the retracted state (at its lowest position), the overall height of the transport fixture is 1.2m to 1.6m, and the horizontal space occupied by a single transport fixture is less than one square meter. Therefore, compared with heavy lifting machinery such as gantry cranes and bridge cranes, it greatly reduces the horizontal area and vertical height occupied, significantly reducing the space required. It is particularly suitable for lifting and transporting equipment in small spaces.

[0028] The worm gear screw lifting mechanism 1 also includes a manual crank 13 or an electric drive assembly, and a rocking part 12 is provided at one end of the worm 15; One end of the manual crank 13 is connected to the rocking part 12 for manual lifting, or the output end of the electric drive assembly is connected to the rocking part 12 for electric lifting. The electric drive assembly may include a motor and a transmission assembly. The motor may be fixedly mounted on the lifting outer cylinder 5 or mounted on the top of the outer cover 9. The output shaft of the motor is connected to the rocking part 12 on the worm gear 15 through the transmission assembly to drive the worm gear 15 to rotate. The transmission assembly may be a conventional belt pulley transmission assembly, gear transmission assembly, or sprocket transmission assembly, which will not be described in detail here.

[0029] Several oil-free bushings 3 are provided between the lifting outer cylinder 5 and the fixed inner cylinder 8 to achieve a sliding connection between them, and the oil-free bushings 3 are fixedly connected to the lifting outer cylinder 5. Specifically, at least one oil-free bushing 3 is provided between the upper part of the lifting outer cylinder 5 and the fixed inner cylinder 8, and one oil-free bushing is provided between the bottom end of the lifting outer cylinder 5 and the fixed inner cylinder 8 to ensure that the lifting sleeve can move smoothly along the axial direction.

[0030] The transport mechanism includes a foot 10 and a caster assembly. The bottom of the fixed inner cylinder 8 has a base plate 801. A threaded hole is vertically opened at the center of the base plate 801, which is threaded to the threaded rod of the foot 10.

[0031] The caster assembly includes an axle, casters, and a connecting frame 7. Casters are mounted at both ends of the axle. The axle is fixedly connected to the lifting outer cylinder 5 or the fixed inner cylinder 8 via the connecting frame 7, and the two casters are symmetrically arranged about the lifting outer cylinder 5 or the fixed inner cylinder 8. Figure 1 As shown, this symmetrical arrangement can improve stability during movement and transportation.

[0032] A push-pull handle 6 is also provided on the outside of the lifting outer cylinder 5 to facilitate the movement of the tooling and equipment as a whole for transportation.

[0033] In summary, this transport tooling features a modular design, allowing multiple units to be combined for collaborative operation. Each unit comprises three main components: 1. Mounting Components – Enables rapid assembly and fixation of equipment. Connecting component 14: Fixed to the lower outer side of the lifting outer cylinder 5, it is used to match the pre-set mounting holes or connecting lugs on the bottom of the lifted equipment, and is fastened to form a stable connection through fastening components (such as bolt assemblies). The part of the connecting component 14 that connects with the equipment can adopt a standardized interface design to adapt to various equipment base frame types. Multiple transport toolings work together to form a multi-point layout, improving stability.

[0034] 2. Lifting mechanism – This mechanism lifts the equipment. The system adopts a worm gear screw drive + manual / electric dual-mode drive structure: a manual crank 13, which allows manual input of driving torque and is suitable for environments without power supply; a cranking part 12, located at one end of the worm 15, is used to connect the manual crank 13 or the motor output shaft, and is detachable for easy switching; a worm gear screw lifting mechanism 1, which contains a worm gear pair and a precision screw (lifting screw 4), converts rotary motion into linear lifting; and a screw nut 2, fixed to the fixed inner cylinder 8, provides a self-locking function when the lifting screw 4 is not rotating.

[0035] The worm gear 15 has a self-locking characteristic: when it stops rotating, due to the non-driving nature of the worm gear pair in the reverse direction, it can automatically lock its position to prevent the load from slipping and improve safety. The lifting screw 4 has high transmission precision: it can achieve millimeter-level adjustment, making it suitable for leveling precision equipment; Dual-mode drive compatibility: It can be operated manually for effortless operation, or connected to a small motor for electric control, adapting to different field conditions; Potential for multi-tool synchronous control: Multiple transport tools can maintain a consistent lifting height through mechanical linkage or electronic synchronous control systems.

[0036] 3. Transportation Mechanism – Integrated Mobility and Support The feet 10 contact the ground during the lifting process, serving as load-bearing points and providing stable support; they are usually adjustable for leveling. The connecting frame 7 is a transition structure connecting the casters and the main structure. The casters allow the feet 10 to be retracted or the equipment to be placed on the casters after lifting, enabling flexible movement. The sequential logic is as follows: 1. Foot 10 grounds → Tooling stable support; 2. Crank the worm gear 15 → the lifting support rises → the equipment is lifted off the ground; 3. After raising the object to the correct position, retract the feet 10 or move it directly using the casters; 4. Once in position, reverse the operation to lower the equipment.

[0037] The actual usage process of this transport tooling is as follows: 1. Installation Preparation Arrange three (or four) transport fixtures at predetermined positions around the equipment, and use fastening components to fasten the docking parts 14 to the connection holes on the bottom frame of the equipment, ensuring that the feet 10 of each fixture are in stable contact with the ground.

[0038] 2. Synchronous lifting Manually rotate the crank handle separately or simultaneously (synchronous operation is recommended). The worm gear screw lifting mechanism 1 drives the lifting screw 4 to rise slowly. Monitor the lifting height of each point in real time (using laser rangefinder or scale ruler) to avoid uneven load. Stop lifting when the equipment is completely off the ground.

[0039] 3. Transportation and movement After confirming the equipment is balanced, move the equipment and tooling together as a whole. The casters bear the running load, and the feet 10 can be retracted or removed.

[0040] 4. Installation After reaching the target position, rotate the worm gear 15 in the opposite direction to slowly lower the equipment. After landing, remove the connecting screws and remove the tooling.

[0041] Example 2 A lifting and transporting system includes the aforementioned transport fixtures for lifting large-mass equipment. At least three transport fixtures are arranged around the equipment, and the docking parts 14 of each transport fixture are fixedly connected to the bottom frame of the equipment by fastening components to jointly lift the equipment off the ground.

[0042] The transport fixtures are configured in three parts arranged in a triangular pattern, as shown in the reference. Figure 4 To improve connection stability and prevent the equipment from twisting or becoming unbalanced during lifting; the three docking parts 14 on the three transport fixtures are all different, so as to match three different connection points on the equipment respectively.

[0043] Example 3 A method for transporting large-mass equipment, employing the aforementioned lifting and transport system, includes the following steps: S1: Securely connect multiple transport tooling attachment components to the corresponding positions on the bottom frame of the equipment via the docking parts 14; S2: Place foot 10 on a solid foundation to ensure stable support; S3: The operator turns the crank handle simultaneously or sequentially to drive the worm gear screw mechanism, so that the lifting screw 4 rises synchronously and gradually raises the equipment; S4: Monitor the height difference of each tooling during the lifting process, control synchronization, and prevent the equipment from tilting; S5: After the equipment is raised to the predetermined height, screw the feet 10 off the ground and make the casters support the ground. The equipment can move on the ground through the casters at the bottom of the transport fixture, and push the transport fixture and the equipment as a whole to move the equipment to the destination, thus completing the equipment transport.

[0044] The beneficial effects of the technical solution of the present invention are: 1. Low space requirements: The compact structure allows for deployment in small spaces (such as cleanrooms and equipment rooms) without the need for large lifting equipment; 2. Suitable for lifting heavy equipment: Worm gear screws have strong load-bearing capacity. A single tool can be designed to bear a load of several tons or more, and when used in combination, it can reach tens of tons. 3. Excellent safety and self-locking performance: The worm gear screw lifting mechanism 1 has a self-locking function to prevent accidental falls; 4. Easy to operate: It has two lifting modes, manual and electric. The manual crank is 13mm more labor-saving and does not require a professional crane operator's certificate. The electric mode further reduces labor intensity. 5. Highly modular and scalable: Multiple tooling units can be combined to adapt to equipment of different sizes and weights; 6. Controllable precision: The lead screw drive allows for fine adjustment, meeting the high-precision installation requirements of semiconductor equipment and other devices.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A transport fixture for lifting large-mass equipment, characterized in that, include: A lifting mechanism is used to provide lifting power so that the transport tooling drives the equipment to lift or lower as a whole; the lifting mechanism includes a lifting outer cylinder (5), a fixed inner cylinder (8) and a lifting unit. The lifting outer cylinder (5) is set vertically on the fixed inner cylinder (8) and is located on the outside of the fixed inner cylinder (8) and slidably connected therebetween. The lifting unit is set on the fixed inner cylinder (8) and is used to drive the lifting outer cylinder (5) to lift axially. A transport mechanism, located at the bottom of the fixed inner cylinder (8), is used to move the equipment on the ground after it is lifted. The mounting assembly includes a docking member (14) that matches the bottom frame of the device to be lifted and is used to detachably mount the bottom frame of the device to be lifted onto the docking member (14). The docking component (14) is fixedly connected to the lifting outer cylinder (5) to form a stable linkage structure between the equipment and the transport tooling.

2. The transport tooling according to claim 1, characterized in that, The lifting unit adopts a worm gear and screw lifting mechanism (1), including a worm gear pair, a screw nut (2), a housing, and a lifting screw (4). The housing is located at the top of the fixed inner cylinder (8). The worm gear pair is located inside the housing. The lifting screw (4) is installed on the inner ring of the worm gear and connected by a thread. A screw nut (2) is also installed on the outside of the lifting screw (4). The screw nut (2) is located below the worm gear. The lifting screw (4) is located in the inner cavity of the fixed inner cylinder (8). The screw nut (2) is fixedly installed in the fixed inner cylinder. The top of (8) is connected to the center axis of the lifting screw (4), the screw nut (2) and the fixed inner cylinder (8). The top of the lifting screw (4) is fixedly connected to the outer cover (9), and the outer cover (9) covers the outside of the machine housing. The top of the lifting outer cylinder (5) is fixedly connected to the outer cover (9). By rotating the worm (15), the worm wheel screw lifting mechanism (1) is driven, which drives the lifting screw (4), the outer cover (9) and the lifting outer cylinder (5) to move together in the vertical direction, thereby realizing the smooth lifting of the equipment.

3. The transport tooling according to claim 2, characterized in that, The worm gear screw lifting mechanism (1) also includes a manual crank (13) or an electric drive assembly, and a rocking part (12) is provided at one end of the worm (15). One end of the manual crank (13) is connected to the rocking part (12) for manual lifting or lowering, or the output end of the electric drive assembly is connected to the rocking part (12) for electric lifting or lowering.

4. The transport fixture according to claim 2, characterized in that, A plurality of oil-free bushings (3) are provided between the lifting outer cylinder (5) and the fixed inner cylinder (8) to achieve a sliding connection between them, and the oil-free bushings (3) are fixedly connected to the lifting outer cylinder (5).

5. The transport fixture according to claim 1, characterized in that, The transport mechanism includes a foot (10) and a caster assembly. The bottom of the fixed inner cylinder (8) has a base plate (801). A threaded hole is vertically opened at the center of the base plate (801). The threaded rod of the foot (10) is threadedly connected to the threaded hole.

6. The transport tooling according to claim 5, characterized in that, The caster assembly includes an axle, casters, and a connecting frame (7). The casters are respectively provided at both ends of the axle. The axle is fixedly connected to the lifting outer cylinder (5) or the fixed inner cylinder (8) through the connecting frame (7), and the two casters are symmetrically arranged about the lifting outer cylinder (5) or the fixed inner cylinder (8).

7. The transport tooling according to claim 1, characterized in that, A push-pull handle (6) is also provided on the outside of the lifting outer cylinder (5).

8. A lifting and transporting system for equipment, characterized in that, The invention includes a transport fixture for lifting large-mass equipment as described in any one of claims 1-7, wherein at least three transport fixtures are arranged around the equipment, and the docking part (14) of each transport fixture is fixedly connected to the bottom frame of the equipment by a fastening assembly for jointly lifting the equipment off the ground.

9. The lifting and transport system according to claim 8, characterized in that, The transport fixtures are configured in three triangular arrangements to improve connection stability and prevent the equipment from twisting or becoming unbalanced during the lifting process; At least two of the three docking parts (14) on the three transport fixtures are different, so as to be used for the three connections on the mating device respectively.

10. A method for transporting large-mass equipment, characterized in that, The lifting and transport system as described in any one of claims 8-9 includes the following steps: S1: Securely connect the hooking components of multiple transport tools to the corresponding positions of the bottom frame of the equipment through the docking parts (14); S2: Place the foot (10) on a solid foundation to ensure stable support; S3: The operator turns the crank simultaneously or sequentially to drive the worm gear screw mechanism, so that the lifting screw (4) rises synchronously and gradually lifts the equipment; S4: Monitor the height difference of each tooling during the lifting process, control synchronization, and prevent the equipment from tilting; S5: After the equipment is raised to the predetermined height, the feet (10) are screwed off the ground and the casters are supported on the ground. The equipment can move on the ground through the casters at the bottom of the transport tool and push the transport tool and the equipment as a whole to move the equipment to the destination and complete the equipment transport.

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