Rapid assembling method for crank arm machine and universal wheel of extrusion granulating unit

Abstract

The invention discloses a rapid assembling method for a crank arm machine and universal wheels of an extrusion granulation unit, and belongs to the technical field of installation of extrusion granulation units, the assembling method comprises the following steps: adopting a plurality of devices for centralized combination and installation according to the limitation of a field actual operation space; the equipment is transported to a designated position through the reserved door by utilizing a transportation machine; the crank arm machine and the universal wheels are arranged at specified positions in advance according to the calculated position map for condition inspection and rechecking, and meanwhile, four stress points are positioned according to the laid steel plate; when the equipment runs, observation and measurement are carried out in four directions, and after the equipment enters a reserved position through the universal wheel equipment, measurement personnel need to re-check the coordinates, and then final positioning is carried out; when the equipment slowly falls on the set sizing block group and the equipment falls on the sizing block, the stress condition of each point is observed, meanwhile, the height difference is adjusted through the adjustable sizing block group, and after each point of the temporary sizing block group is uniformly stressed, the universal wheels are withdrawn, and the equipment enters for alignment, so that the installation precision of the unit is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of installation of an extrusion granulation unit, and in particular relates to a method for quickly assembling a crankshaft machine and a universal wheel of an extrusion granulation unit. Background Art

[0002] At present, the installation of extrusion granulation units at home and abroad basically adopts winches, electric hoists, pulley blocks and base drags (the drags must be prefabricated one month in advance, and the layout of the winches is limited by space and the setting points need to be reinforced). During transportation, rollers are arranged on the laid flat steel belts, and the base drags are placed on the rollers. Then, the equipment is hoisted onto the drag with a large crane, and finally the winch is started to tow the equipment to its foundation through the drag. The traction speed of the equipment during the drag transportation is relatively slow, the equipment stability during the transportation process is poor, and the cooperation of multiple people is not high. The safety risk of wire rope breakage of the winch and pulley block is relatively large, and the construction efficiency is low.

[0003] Various domestic construction machinery and tools are rapidly appearing and being used in engineering construction. It is necessary to find a method suitable for construction in a small space from the structure, size and installation space of the equipment to replace the installation method of the traditional extrusion granulation unit. The traditional extrusion granulation unit has a long tooling manufacturing cycle, low safety factor and high cost, which has a great impact on the overall construction progress of the project and is not conducive to the short-term and fast construction requirements of domestic projects. For the innovation of the installation technology of the extrusion granulation unit, the research and development of technology is becoming more and more important, and it is necessary to find a more efficient, fast and safe construction method. Summary of the invention

[0004] To achieve the above object, the technical solution of the present invention is as follows: a method for quickly assembling a crankshaft machine + universal wheel of an extrusion granulator unit, the assembly method comprising the following steps: According to the actual operating space limitations on site, multiple devices are installed in a centralized manner; Use transport machinery to transport the equipment to the designated location through the reserved door; The articulated boom and universal wheel are arranged in advance at the designated positions according to the calculated position diagram for situation inspection and verification. At the same time, the four stress points are positioned according to the laid steel plates. When the equipment is running, observation and measurement are performed in four directions. After entering the reserved position through the universal wheel equipment, the surveyor needs to recheck the coordinates before final positioning. The equipment slowly falls on the set shim group. When the equipment falls on the shims, observe the force conditions at each point. At the same time, adjust the height difference through the adjustable shim group. After the force at each point of the temporary shim group is evenly distributed, withdraw the universal wheel and the equipment enters alignment.

[0005] As an improvement of the present invention, the method also includes determining the locations and size requirements of doors and holes that need to be reserved, marking the locations that need to be reinforced, the heavy-load vehicle stopping area is a secondary reinforcement area for the heavy-load floor, the bearing capacity of the foundation meets the strength requirements of the heavy-load vehicle and the articulated boom crane, and at the same time, the transportation direction of the equipment is kept consistent with the installation direction.

[0006] Based on the above technical characteristics, the transportation of extrusion equipment requires sufficient space for the boom crane and transport vehicles to enter and exit. Therefore, careful planning must be carried out during the civil construction phase, and the location and size requirements of the doors and holes to be reserved must be communicated in writing to the civil engineering professionals, and the locations that need to be reinforced must be marked. This can not only ensure the smooth installation of the equipment, but also avoid unnecessary waste caused by rework by the civil engineering professionals, and save costs at the same time.

[0007] As an improvement of the present invention, the reserved channel in the steps is 9 m wide and 7 m high.

[0008] Based on the above technical features, the reserved channel is 9 m wide and 7 m high. The heavy-load vehicle stopping area is the secondary reinforcement area of ​​the heavy-load floor. The bearing capacity of the foundation meets the strength requirements of the heavy-load vehicles and the articulated boom crane. At the same time, the transportation direction of the equipment must be consistent with the installation direction. Due to space limitations, the direction of the equipment cannot be adjusted.

[0009] As an improvement of the present invention, when selecting a boom crane, the lifting height and amplitude of the boom crane should be determined based on the geometric dimensions and installation height of the hoisted equipment, and this should be used as the basis for selecting the arm length. The lifting capacity of the boom crane should be selected based on the weight of the equipment. The lifting weight, lifting height and amplitude must meet the hoisting requirements. The length and inclination angle of the arm should be determined by calculation. The arm length should be selected to meet the lifting height requirements and make the arm length the shortest.

[0010] Based on the above technical features, in order to improve work efficiency, if the working parameters of the lifting equipment differ too much and cannot meet the requirements of the lifting operation, they should be selected separately.

[0011] As an improvement of the present invention, the length of the wall rod is determined according to parameters such as the structural size of the hoisted equipment, the lifting height, and the reserved height for hoisting. Whether the wall rod collides with the surrounding columns and beams requires actual calculation.

[0012] Based on the above technical features, the inclination angle of the wall rod and the working radius of the crane must meet the results calculated without affecting the installed equipment, and must also meet the spatial position relationship between the equipment, foundation and boom crane.

[0013] As an improvement of the present invention, a full-length steel wire rope is stretched along the longitudinal center line of the unit as the longitudinal reference line for the unit foundation acceptance. After the installation reference line and the center line position are determined, the center line positions of the foundation are marked with 0.5mm steel wire, and then the related dimensions such as parallelism and verticality are checked one by one.

[0014] Based on the above technical features, the extrusion granulation unit is a linear arrangement unit with the gear box as the installation reference. When accepting the unit foundation, a full-length steel wire rope is pulled along the longitudinal center line of the unit as the longitudinal reference line for the unit foundation acceptance to prevent the cumulative error caused by the unit-related foundation acceptance.

[0015] As an improvement of the present invention, in the steps, for small and medium-sized equipment that cannot be installed using a crankshaft crane, the 360-degree rotation and walking of the universal wheels are utilized to smoothly install the equipment at the designated location.

[0016] As an improvement of the present invention, after the transport vehicle enters the reserved position, the temporary base of the equipment is removed in time. The temporary support is removed from both sides to the middle to prevent the equipment from slipping due to an unstable base during the removal process. After the transport vehicle is installed and the equipment is separated from the transport vehicle, the transport vehicle is evacuated in time to allow sufficient operating space for the equipment installation.

[0017] As an improvement of the present invention, the installation technology of single heavy equipment: for the main gearbox, main motor, mixing barrel, melt pump reducer and other heavy equipment, according to the equipment parameters, foundation position and space position, the crankshaft installation method is adopted, and the transportation channel is set at the same time, the position and displacement of the machinery are reasonably set, and the safe operation space is reserved to smoothly install the large-tonnage equipment on the foundation. The coordination between the crankshafts saves a lot of tooling production time and cost compared with the traditional installation method, and improves work efficiency.

[0018] As an improvement of the present invention, the installation technology of small and medium-sized single equipment: the universal wheel is used for direct installation and moving to the base of the equipment. The universal wheel solves the problem of being able to operate in a small space and meet the requirements of maneuvering in a small space. It can move 360 ​​degrees indoors and only relies on the electric hoist to unload the equipment and drop it on the universal wheel. It is convenient and fast to hoist relatively light plate heat exchangers, granulation water tanks, granulation water pumps, hot oil systems, hydraulic systems and auxiliary equipment, which can effectively reduce manpower and save working hours.

[0019] As an improvement of the present invention, CAD three-dimensional simulation technology: path setting is the key to simulation, and the movement of the equipment is divided into linear movement and curvilinear movement. In linear movement, firstly, the movement trajectory of the main equipment is analyzed according to the drawings, and the corresponding coordinate position is calculated. It is also necessary to calculate the movement time according to the movement speed, and set the path of the main equipment according to different times and corresponding coordinate information. The setting of the curved movement path is complicated. Since the displacement, angle, etc. of the main equipment and the auxiliary equipment are different during the movement, it is necessary to analyze their respective movement trajectories according to the drawings, summarize the coordinate positions of the key time points with the help of tools such as CAD, and set the movement paths of the main equipment and the auxiliary equipment according to the time and coordinate positions. During the three-dimensional simulation of the equipment, the movement situation is tracked in time to check whether there are any hidden dangers, and the rationality of the lifting method is verified.

[0020] As an improvement of the present invention, multi-point lifting technology: the main gearbox, main motor, mixing barrel, melting pump, and pelletizing trolley are large in size and irregular in size, and multiple lifting points need to be set for lifting (lifting point setting requirements: horizontal, longitudinal and vertical directions are represented by X, Y, and Z respectively, the center of gravity is 0 point, and X and Y are set symmetrically on both sides of the center of gravity. The sling forms a certain angle in the XZ or YZ plane to ensure that the two lifting points will not produce a large extrusion pressure and ensure stable lifting) to ensure that the equipment is balanced during installation. The site adopts two large-scale crankshaft cranes for simultaneous lifting to ensure the quality of equipment placement and improve the safety factor for effective control. In the calculation and distribution of loads, the weight and center of gravity must be ensured to be accurate first to ensure that the actual force will not deviate from the theoretical calculation. Secondly, the lifting slings must have sufficient safety margins to ensure that there will be no problem of sling breakage during double-machine lifting.

[0021] As an improvement of the present invention, the secondary reinforcement technology for heavy-loaded floors: considering that the weight of a single gearbox is 90 tons, the main motor is 45 tons, and the mixing cylinder is 42 tons, it is necessary to calculate in advance whether the strength of the concrete floor can be met by the boom crane + the suspended equipment. The load of a single boom crane + the suspended equipment on the ground is = 90t / 2+95t=140t, the contact area between the boom crane and the ground is = 1.2*1.2*4+1.5*1.5=8.01㎡, and the ground bearing capacity is = 140t / 8.01㎡=17.478t / ㎡. The original ground bearing capacity is 10t / ㎡<17.478t / ㎡, which does not meet the requirements of the boom crane for the ground bearing capacity.

[0022] As an improvement of the present invention, the secondary reinforcement technology of heavy-loaded floor: the original floor load does not meet the requirements. After a special meeting is held by the owner, designer and supervisor to discuss the secondary reinforcement of the original floor, and combined with the previous heavy-loaded ground construction experience, the heavy-loaded floor reinforcement treatment method is as follows: 250 thick C30 concrete, internal Ø16 bidirectional @150*150 (double-layer steel bars), 500 thick graded crushed stone, compaction coefficient ≥0.95; after the secondary reinforcement construction of the foundation is completed, the foundation bearing capacity characteristic value is 225KPa≥17.478t / ㎡ after detection by a third party, which meets the foundation bearing capacity requirements.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: scientifically and reasonably arranging the order and method of positioning each device of the extrusion granulator, classifying large equipment and small and medium-sized equipment, selecting a suitable installation method, and selecting according to the actual installation limited space; the selection of equipment installation combination is very important, and those with similar size and weight and capable of connecting operation are classified into the same category; for small and medium-sized equipment, full use is made of universal wheels to save installation time and improve work efficiency to the greatest extent; the equipment leveling and alignment procedures are simplified, and the installation accuracy of the unit is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the assembly method of the present invention. DETAILED DESCRIPTION

[0025] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0026] Example: Figure 1 As shown in the figure, the application of crankshaft and universal wheel in the installation process of extrusion granulation unit: Step S1, combined with the equipment arrival plan on site and based on the actual space limitation of site operation, multiple equipments are installed in a centralized manner, which is conducive to giving full play to the efficiency of the crankshaft machine. For small and medium-sized equipment that cannot be installed by the crankshaft machine, the 360° rotation and walking of the universal wheel are used to smoothly install the equipment in the designated position.

[0027] Step S2, using existing transport machinery to transport the main motor, gear box, lubricating oil gear box and other equipment to the designated location through the reserved north gate in sequence, and laying thick steel plates and reinforcing the foundation at the reserved channel position to avoid damaging the completed floor.

[0028] Step S3, the articulated boom and universal wheel are arranged in the designated position in advance according to the position diagram calculated by CAD to check and verify the various conditions of the counterweight, outriggers, and main arm. At the same time, the four force points are positioned according to the laid steel plates. When the articulated boom and universal wheel are arranged, a distance of 50 cm is reserved between the beams and columns of the frame structure according to the CAD running track to avoid collision.

[0029] Step S4: After the transport vehicle enters the reserved position, the temporary base of the equipment is removed in time. The temporary support is removed from both sides to the middle to prevent the equipment from slipping due to unstable base during the removal process. After the transport vehicle is installed and the equipment is separated from the transport vehicle, the transport vehicle is evacuated in time to allow enough operating space for equipment installation.

[0030] Step S5, when working together, the weight of the equipment is evenly distributed, and the equipment lifting points are evenly arranged. During the lifting process, the operation must be carried out according to the instructions of the commander. Considering that many equipment sizes are irregular and they are precision equipment, the lifting process must be stable. The selection of slings must be calculated according to the weight of the equipment, and the distribution of the equipment weight is based on force analysis and moment calculation to ensure the safety and efficiency of the equipment during the lifting process.

[0031] Step S6: When the equipment is running, someone must observe and measure in four directions to ensure that the equipment does not deviate after entering the reserved position. After the universal wheel equipment enters the reserved position, the measurement personnel need to recheck the coordinates (coupling elevation and concentric position re-measurement between the gear box and the cylinder) and make sure they are correct before final positioning.

[0032] Step S7, the equipment slowly falls on the set shim group. When the equipment falls on the shim, observe the force of each point, and adjust the height difference through the adjustable shim group to ensure that the force of each point is uniform. After the force of each point of the temporary shim group is uniform, withdraw the universal wheel and the equipment enters the fine alignment.

[0033] Construction control steps in this embodiment: reserved channel setting The transportation of extrusion equipment requires sufficient space for the boom crane and transport vehicles to enter and exit. Therefore, careful planning must be carried out during the civil construction phase. The location and size requirements of the doors and holes that need to be reserved must be communicated in writing to the civil engineering professionals, and the locations that need to be reinforced must be marked. This can not only ensure the smooth installation of the equipment, but also avoid unnecessary waste caused by rework by the civil engineering professionals, while saving costs. The reserved channel is 9 m wide and 7 m high. The heavy-load vehicle parking area is the secondary reinforcement area of ​​the heavy-load floor. The bearing capacity of the foundation meets the strength requirements of the heavy-load vehicles and boom cranes. At the same time, the transportation direction of the equipment must be consistent with the installation direction. Due to space limitations, the direction of the equipment cannot be adjusted.

[0034] Construction control steps of this embodiment: Principles for determining the length and inclination of the boom of the crankshaft When selecting a boom crane, the lifting height and amplitude of the boom crane should be determined according to the geometric dimensions and installation height of the hoisted equipment, and this should be used as the basis for selecting the arm length. The lifting capacity of the boom crane should be selected according to the weight of the equipment. The lifting weight, lifting height and amplitude must meet the hoisting requirements. The length and inclination of the boom should be determined through calculation. The length of the boom should be selected to meet the lifting height requirements and make the boom length the shortest to improve work efficiency. If the working parameters of the hoisting equipment differ too much and cannot meet the hoisting operation requirements, they should be selected separately.

[0035] Construction control steps of this embodiment: non-interference analysis of confined space position According to the structural dimensions of the hoisted equipment, lifting height, hoisting reserved height and other parameters, the length of the wall rod is determined, and actual calculation is required to determine whether the wall rod collides with the surrounding columns and beams. The inclination angle of the wall rod and the working radius of the crane must be calculated without affecting the installed equipment, and must also meet the spatial position relationship between the equipment, foundation and boom crane.

[0036] Construction control steps of this embodiment: Installation reference line, parallelism and verticality determination The extrusion granulation unit is a linear arrangement unit, with the gearbox as the installation reference. When the unit foundation is inspected, a full-length steel wire rope is pulled along the longitudinal center line of the unit as the longitudinal reference line for the unit foundation acceptance to prevent the cumulative error caused by the unit-related foundation acceptance. After determining the installation reference line and center line position, use 0.5mm steel wire to mark the position of each center line of the foundation, and then check the parallelism and verticality and other related dimensions one by one. The installation drawings of the granulation unit are generally provided by foreign design institutes. During the equipment foundation re-measurement process, the dimensions of the domestically designed equipment foundation drawings must be reviewed with the dimensions marked on the foreign installation drawings.

[0037] Technical highlights and difficulties of this embodiment: Installation technology of single heavy equipment For equipment with relatively large weight, such as the main gearbox, main motor, mixing barrel, and melt pump reducer, the crankshaft crane installation method is adopted according to the equipment parameters, foundation location, and space position. At the same time, a transportation channel is set up, the mechanical position and shift are reasonably set, and safe operation space is reserved to smoothly install the large-tonnage equipment on the foundation. The coordination between the crankshaft cranes saves a lot of tooling production time and cost compared to the traditional installation method, and improves work efficiency.

[0038] Technical highlights and difficulties of this embodiment: installation technology of small and medium-sized single equipment The universal wheel is directly installed and moved to the base of the equipment. The universal wheel solves the problem of working in a small space and meets the requirements of maneuvering in a small space. It can move 360 ​​degrees indoors and only relies on the electric hoist to unload the equipment and put it on the universal wheel. It is convenient and fast to hoist relatively light plate heat exchangers, granulation water tanks, granulation water pumps, hot oil systems, hydraulic systems and auxiliary equipment, which can effectively reduce manpower and save working hours.

[0039] Technical highlights and difficulties of this embodiment: CAD 3D simulation technology The setting of the path is the key to the simulation. The movement of the equipment is divided into linear movement and curved movement. In linear movement, first analyze the movement trajectory of the main equipment according to the drawings, calculate the corresponding coordinate position, and calculate the movement time according to the movement speed, and set the path of the main equipment according to different times and corresponding coordinate information. The setting of the curved movement path is complicated. Since the displacement, angle, etc. of the main equipment and the auxiliary equipment are different during the movement, it is necessary to analyze their respective movement trajectories according to the drawings, summarize the coordinate positions of the key time points with the help of tools such as CAD, and set the movement paths of the main equipment and the auxiliary equipment according to the time and coordinate positions. During the three-dimensional simulation of the equipment, track the movement in a timely manner, check whether there are any hidden dangers, and verify the rationality of the lifting method.

[0040] Technical highlights and difficulties of this embodiment: multi-point lifting technology The main gearbox, main motor, mixing barrel, melting pump, and pelletizing trolley are large in size and irregular in size. Multiple lifting points are required for lifting (lifting point setting requirements: horizontal, longitudinal and vertical directions are represented by X, Y, and Z respectively, the center of gravity is 0 point, X and Y are set symmetrically on both sides of the center of gravity, and the sling forms a certain angle in the XZ or YZ plane to ensure that the two lifting points will not produce a large extrusion pressure and ensure stable lifting). To ensure the force balance during the equipment installation process, two large crankshaft cranes are used for lifting at the same time on site to ensure the quality of the equipment in place and improve the safety factor for effective control. In the calculation and distribution of loads, the weight and center of gravity must be accurate first to ensure that the actual force will not deviate from the theoretical calculation. Secondly, the slings must have sufficient safety margin to ensure that there will be no sling breakage during the double-machine lifting.

[0041] Technical highlights and difficulties of this embodiment: Secondary reinforcement technology for heavy-loaded floors: ① Considering the weight of a single gearbox of 90 tons, a main motor of 45 tons, and a mixing drum of 42 tons, it is necessary to calculate in advance whether the strength of the concrete floor can be met by the boom crane + the suspended equipment. The load of a single boom crane + the suspended equipment on the ground is = 90t / 2+95t=140t, the contact area between the boom crane and the ground is = 1.2*1.2*4+1.5*1.5=8.01㎡, and the ground bearing capacity is = 140t / 8.01㎡=17.478t / ㎡. The original ground bearing capacity is 10t / ㎡<17.478t / ㎡, which does not meet the requirements of the boom crane for the ground bearing capacity.

[0042] ② The original floor load did not meet the requirements. The owner, designer and supervisor held a special meeting to discuss the secondary reinforcement of the original floor. Combined with the previous experience in heavy-loaded ground construction, the heavy-loaded floor reinforcement method is as follows: 250 thick C30 concrete, internal Ø16 bidirectional @150*150 (double-layer steel bars), 500 thick graded crushed stone, compaction coefficient ≥0.95; after the secondary reinforcement of the foundation, the third-party test showed that the characteristic value of the foundation bearing capacity was 225KPa≥17.478t / ㎡, which met the foundation bearing capacity requirements.

[0043] It should be noted that the above content only illustrates the technical idea of ​​the present invention and cannot be used to limit the protection scope of the present invention. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications all fall within the protection scope of the claims of the present invention.

Claims

1. A method for quickly assembling a crankshaft machine + universal wheel for an extrusion granulation machine, characterized in that: The assembly method comprises the following steps: According to the actual operating space limitations on site, multiple devices are installed in a centralized manner; Use transport machinery to transport the equipment to the designated location through the reserved door; The articulated boom and universal wheel are arranged in advance at the designated positions according to the calculated position diagram for situation inspection and verification. At the same time, the four stress points are positioned according to the laid steel plates. When the equipment is running, observation and measurement are performed in four directions. After entering the reserved position through the universal wheel equipment, the surveyor needs to recheck the coordinates before final positioning. The equipment slowly falls on the set shim group. When the equipment falls on the shims, observe the force conditions at each point. At the same time, adjust the height difference through the adjustable shim group. After the force at each point of the temporary shim group is evenly distributed, withdraw the universal wheel and the equipment enters alignment.

2. The method for quickly assembling a crankshaft machine and a universal wheel for an extrusion granulation machine according to claim 1, characterized in that: The method also includes determining the locations and size requirements of doors and holes that need to be reserved, marking the locations that need to be reinforced, the heavy-load vehicle parking area is the secondary reinforcement area of ​​the heavy-load floor, the foundation bearing capacity meets the strength requirements of the heavy-load vehicle and boom crane, and the equipment transportation direction is kept consistent with the installation direction.

3. The method for quickly assembling a crankshaft machine and a universal wheel of an extrusion granulation machine according to claim 2 is characterized in that: The reserved passage in the steps is 9 m wide and 7 m high.

4. The method for quickly assembling a crankshaft machine and a universal wheel of an extrusion granulation machine according to claim 1, characterized in that: In the steps, when selecting a boom crane, the lifting height and amplitude of the boom crane should be determined according to the geometric dimensions and installation height of the hoisted equipment, and this should be used as the basis for selecting the arm length. The lifting capacity of the boom crane is then selected according to the weight of the equipment. The lifting weight, lifting height and amplitude must meet the hoisting requirements. The length and inclination angle of the arm should be determined by calculation. The arm length should be selected to meet the lifting height requirements and make the arm length the shortest.

5. The method for quickly assembling a crankshaft machine and a universal wheel for an extrusion granulation machine according to claim 1, characterized in that: In the steps, the length of the wall rod is determined according to the structural dimensions of the hoisted equipment, the lifting height, the reserved height for hoisting and other parameters, and actual calculation is required to determine whether the wall rod collides with the surrounding columns and beams.

6. The method for quickly assembling a crankshaft machine and a universal wheel of an extrusion granulation machine according to claim 1, characterized in that: In the steps, a full-length steel wire rope is stretched along the longitudinal center line of the unit as the longitudinal reference line for the unit foundation acceptance. After the installation reference line and the center line position are determined, the center line positions of the foundation are marked with 0.5mm steel wire, and then the parallelism and verticality related dimensions are checked one by one.

7. The method for quickly assembling a crankshaft machine and a universal wheel of an extrusion granulation machine according to claim 1, characterized in that: In the steps, for small and medium-sized equipment that cannot be installed using a crankshaft crane, the 360-degree rotation and walking of the universal wheels are utilized to smoothly install the equipment at the designated location.

8. The method for quickly assembling a crankshaft machine and a universal wheel for an extrusion granulation machine according to claim 1, characterized in that: After the transport vehicle enters the reserved position, the temporary base of the equipment shall be removed in time. The temporary support shall be removed from both sides to the middle to prevent the equipment from slipping due to unstable base during the removal process. After the transport vehicle is installed and the equipment is detached from the transport vehicle, the transport vehicle shall be evacuated in time to allow sufficient operating space for equipment installation.

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