Carrying and hoisting method with cooperation of rolling bar and chain block

Abstract

The invention relates to the technical field of mechanical equipment installation, and aims at providing a carrying and hoisting method with cooperation of a rolling bar and a chain block, rolling power is provided for rolling bar carrying through chain block hoisting, horizontal movement of mechanical equipment is achieved through a rolling bar carrying method, and finally transportation and accurate installation of the mechanical equipment are achieved. The problems that in installation of large mechanical equipment in an existing plant, due to indoor installation and limited space, the mechanical equipment cannot be transported and installed directly through a hoisting machine tool are effectively solved, operation is easy, and cost is low. The device not only can be used for mechanical equipment installation, but also can be used for transportation and installation of facilities and equipment for buildings, agriculture and the like, and is high in generalizability and wide in application range.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical equipment installation, and in particular relates to a conveying and hoisting method coordinated with a roller bar and a fall chain. Background Art

[0002] With the continuous development of industrialization, mechanical equipment plays an important role in the production process. The installation process of mechanical equipment is even more crucial, which is directly related to the smooth operation of the entire production system. However, in reality, it is common that the installation of large mechanical equipment in the factory cannot be directly hoisted into place by crane due to indoor installation and limited space.

[0003] Therefore, a method is needed to transport and install mechanical equipment that cannot be directly used with lifting equipment, especially for indoor limited spaces. This invention is a method of transporting and hoisting with roller bar and fall chain, which combines the roller bar transport method and fall chain hoisting to achieve stable and safe transportation and precise installation of equipment. Summary of the invention

[0004] The object of the present invention is to provide a method for transporting and hoisting with the cooperation of a roller bar and a fall chain, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A method for carrying and hoisting with a roller bar and a chain, comprising the following steps:

[0007] S1: Select appropriate steel beams in the factory;

[0008] S2: Weld 1# lifting ring, 2# lifting ring and 3#~n# lifting rings at equal distances on the selected factory building steel beams;

[0009] S3: Select the specifications of the 1# fall chain and the 2# fall chain according to the lifting load calculation, and determine the maximum inclination of the fall chain lifting;

[0010] S4: Two sets of lifting lugs are symmetrically welded at the designed height positions of the front face and the front ends of both sides of the mechanical equipment to be transported;

[0011] S5: Select a pallet, a fastener and a connecting plate, and install the selected fastener and connecting plate on the pallet to fix the mechanical equipment to be transported;

[0012] S6: Install the roller track on the floor of the plant. The roller track should be located directly below the selected steel beam of the plant.

[0013] S7: Select a roller bar, place the selected roller bar on one end of the roller track, and place the installed pallet on the roller bar;

[0014] S8: Hang and fix the 1# fall chain on the 1# lifting ring, and the 2# operator is responsible for the operation. Hang and fix the 2# fall chain on the 2# lifting ring, and the 1# operator is responsible for the operation. The 1# operator and the 2# operator pull the fall chain at the same time to slightly lift the front end of the mechanical equipment and roll forward the designed distance, then release the fall chain and drop the equipment, move the 1# fall chain to the 3# lifting ring, move the 2# fall chain to the 4# lifting ring, and move the rolling bar rolled out from the tail to the front end of the mechanical equipment to participate in the next repeated rolling process.

[0015] In step S1, the steel beams of the factory building need to be selected through on-site investigation and force analysis and calculation before final determination.

[0016] In step S5, the dimensions of the carriage are designed based on the load and force calculation of the mechanical equipment, and fasteners and connecting plates that can fix the mechanical equipment are selected or designed based on the bottom dimensions of the mechanical equipment and the placement position on the carriage.

[0017] In step S6, the rolling track is a rail rolling track or a sleeper rolling track.

[0018] When the factory building does not have the installation conditions, the ground can be leveled and hardened to replace the raceway. The strength grade of the hardened ground concrete shall not be lower than the standard requirements, and the flatness error shall not be greater than the standard specified value.

[0019] In step S7, the diameter and length of the rolling bar must be determined through design calculation, and the weight of the rolling bar needs to be controlled within a certain range so that it can be moved from back to front during use.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0021] 1) The present invention utilizes chain hoisting to provide rolling power for roller transport, utilizes roller transport method to realize horizontal movement of mechanical equipment, and finally realizes transportation and precise installation of mechanical equipment, effectively solving the problem of installation of large mechanical equipment in existing factory buildings, and being unable to directly use hoisting equipment for transportation and installation of mechanical equipment due to indoor installation and limited space, and has simple operation and low cost.

[0022] 2) The present invention can be used not only for the installation of mechanical equipment, but also for the transportation and installation of construction, agricultural and other facilities and equipment. It has high scalability and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view of an embodiment of the present invention.

[0024] Figure 2 It is a side view of an embodiment of the present invention.

[0025] Serial numbers and names of the accompanying drawings: Roller bar 1, drag plate 2, mechanical equipment 3, lifting lug 4, factory steel beam 5, 1# lifting ring 6, 1# fall chain 7, 2# lifting ring 8, 2# fall chain 9, 3#~n# lifting rings 10, 1# operator 11, 2# operator 12, roller way 13. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example

[0029] like Figure 1-2 As shown, the present invention provides a method for carrying and hoisting with a roller bar and a fall chain, comprising the following steps:

[0030] S1: Select a suitable factory building steel beam 5 in the factory building. The factory building steel beam 5 needs to be selected through on-site investigation and force analysis and calculation to be finally determined;

[0031] S2: Weld 1# lifting ring 6, 2# lifting ring 8 and 3#~n# lifting ring 10 at equal distances on the selected factory steel beam 5;

[0032] S3: Select the specifications of the 1# fall chain 7 and the 2# fall chain 9 according to the lifting load calculation, and determine the maximum inclination of the fall chain lifting;

[0033] S4: symmetrically weld two groups (4) of lifting lugs 4 at the designed height positions of the front end face and the front ends of both sides of the mechanical equipment 3 to be transported;

[0034] S5: Select a pallet 2, fasteners and a connecting plate, and install the selected fasteners and connecting plate on the pallet 2 to fix the mechanical equipment 3 to be transported. The pallet 2 should be designed according to the load and force calculation of the mechanical equipment 3, and the fasteners and connecting plate that can fix the mechanical equipment 3 should be designed according to the bottom surface size of the mechanical equipment 3 and the placement position on the pallet 2;

[0035] S6: Install the roller track 13 on the factory floor. The roller track 13 should be located directly below the selected factory steel beam 5. When the installation site conditions permit, the roller track 13 can be set as a rail roller track and a sleeper roller track; if the conditions are not met, the ground can be leveled and hardened. The strength grade of the hardened ground concrete shall not be lower than the standard requirements, and the flatness error shall not be greater than the standard specified value;

[0036] S7: Select a roller bar 1, place the selected roller bar 1 at one end of the raceway 13, and place the installed support plate 2 on the roller bar 1. The diameter and length of the roller bar 1 must be determined through design calculations, and the weight of the roller bar 1 must be controlled within a certain range so that it can be moved from the back to the front when in use.

[0037] S8: Hang and fix the 1# fall chain 7 on the 1# lifting ring 6, and the 2# operator 12 is responsible for the operation. Hang and fix the 2# fall chain 9 on the 2# lifting ring, and the 1# operator 11 is responsible for the operation. The 1# operator 11 and the 2# operator 12 pull the fall chains at the same time to slightly lift the front end of the mechanical equipment 3 and roll forward the designed distance, then release the fall chain and drop the equipment, move the 1# fall chain 7 to the 3# lifting ring, move the 2# fall chain 9 to the 4# lifting ring, and move the roller 1 rolled out from the tail to the front end of the mechanical equipment 3 to participate in the next repeated rolling process.

[0038] The working principle of the present invention is as follows: a number of lifting rings are welded in sequence and equidistantly on two existing factory steel beams in the factory as fixed anchor points of the fall chains, and two groups of fall chains are alternately moved from front to back and hung on the anchor points for use, and the fall chains are pulled to slightly lift the front end of the mechanical equipment 3. Under the action of the horizontal component of the inclined pulling force, the middle and rear ends of the mechanical equipment 3 generate friction rolling through the drag plate 2 connected to the bottom and the roller 1 under the drag plate 2 to achieve slow horizontal movement. When the mechanical equipment 3 moves a certain distance, the fall chains are pulled in the opposite direction to make the front end of the mechanical equipment 3 fall and stop rolling; the two groups of fall chains are moved to the 3# and 4# lifting rings for hanging and fixing, and the roller 1 rolled out from the tail of the mechanical equipment 3 is moved to the front end of the mechanical equipment 3, and then the fall chains are pulled to repeat the aforementioned rolling process until the mechanical equipment 3 is moved to the installation position for adjustment and installation.

Claims

1. A method for handling and hoisting with a roller bar and a chain, characterized in that: The following steps are involved: S1: Select a suitable steel beam (5) from the factory building; S2: welding 1# lifting ring (6), 2# lifting ring (8) and 3# to n# lifting rings (10) at equal intervals on the selected factory building steel beam (5); S3: Select the specifications of the 1# fall chain (7) and the 2# fall chain (9) according to the lifting load calculation, and determine the maximum inclination of the fall chain lifting; S4: symmetrically welding two sets of lifting lugs (4) at the designed height positions of the front end face and the front ends of both sides of the mechanical equipment (3) to be transported; S5: Selecting a support plate (2), a fastener and a connecting plate, and installing the selected fastener and connecting plate on the support plate (2) to fix the mechanical equipment (3) to be transported; S6: Install a roller track (13) on the floor of the factory building. The roller track (13) should be located directly below the selected factory building steel beam (5); S7: Select a roller bar (1), place the selected roller bar (1) on one end of the roller track (13), and place the installed support plate (2) on the roller bar (1); S8: The 1# fall chain (7) is hung and fixed on the 1# lifting ring (6), and the 2# operator (12) is responsible for the operation. The 2# fall chain (9) is hung and fixed on the 2# lifting ring (8), and the 1# operator (11) is responsible for the operation. The 1# operator (11) and the 2# operator (12) simultaneously pull the fall chains to slightly lift the front end of the mechanical equipment (3) and roll forward the designed distance. Then, the fall chains are released to lower the equipment, and the 1# fall chain (7) is moved to the 3# lifting ring, and the 2# fall chain (9) is moved to the 4# lifting ring. The rolling bar (1) rolled out from the tail is moved to the front end of the mechanical equipment (3) to participate in the next repeated rolling process.

2. The method for transporting and hoisting with a roller bar and a chain according to claim 1 is characterized in that: In step S1, the factory building steel beam (5) needs to be selected through on-site investigation and force analysis and calculation to be finally determined.

3. The method for transporting and hoisting with a roller bar and a chain according to claim 1, characterized in that: In step S5, the dimensions of the carriage (2) are designed based on the load of the mechanical equipment (3) and the force it bears, and the fasteners and connecting plates that can fix the mechanical equipment (3) are selected or designed based on the bottom dimensions of the mechanical equipment (3) and the placement position on the carriage (2).

4. The method for transporting and hoisting with a roller bar and a chain according to claim 1 is characterized in that: In the step S6, the rolling track (13) is a rail rolling track or a sleeper rolling track.

5. The method for transporting and hoisting with a roller bar and a chain according to claim 4 is characterized in that: When the factory building does not have the installation conditions, the ground can be leveled and hardened to replace the raceway (13). The strength grade of the hardened ground concrete shall not be lower than the standard requirements, and the flatness error shall not be greater than the standard specified value.

6. The method for transporting and hoisting with a roller bar and a chain according to claim 1, characterized in that: In step S7, the diameter and length of the roller (1) must be determined through design calculations, and the weight of the roller (1) must be controlled within a certain range so that it can be easily moved from the back to the front during use.

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