An on-line installation method of a chain and flight conveyor drive

Abstract

The present application relates to a kind of chain grate transmission device online installation method, it is characterized in that, including the following steps: S1, construction preparation;S2, assembly transmission device;S3, install temporary support frame;S4, transmission device hoisting;S5, main shaft hoisting;S6, transmission device and main shaft assembly;S7: adjustment in place;The present application is placed transmission device by setting two temporary support frames, again by chain, two transmission devices are close to main shaft and are assembled with main shaft connection, using this online installation assembly mode, overcome the technical problems that component size is large, weight is heavy after traditional offline assembly, difficult to install in place under narrow space, improve construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of metallurgy, and particularly relates to an online installation method of a chain grate transmission device. BACKGROUND

[0002] The chain grate is one of the most important devices in a metallurgical ball unit. Iron-containing material balls are distributed on the grate plate moving at a slow speed, and the balls are dried, preheated, oxidized and consolidated by hot air from a heating furnace, and then directly sent to a rotary kiln for roasting or a rotary hearth furnace for reduction. The chain grate is a large non-standard device, which is composed of a transmission device, a running part, a framework, a cover body, an air bellow group and the like. The device has a large number of components and a compact arrangement, and has a narrow installation space. In particular, the chain grate adopts double-side driving, and the double-side transmission devices need to be connected with the head wheel main shaft of the chain grate. The assembly precision is high, and if the traditional offline assembly is adopted, the size of the main shaft + transmission device is large, and it is difficult to directly hoist and position. Therefore, developing an online installation method of a chain grate transmission device can solve the installation technical problems of the large chain grate transmission device, and has important significance for ensuring the installation quality and operation safety of the chain grate body device. SUMMARY

[0003] The main purpose of the present application is to provide an online installation method of a chain grate transmission device, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the present application is implemented by the following technical scheme:

[0005] An online installation method of a chain grate transmission device, comprising the following steps:

[0006] S1, construction preparation: after the construction of the framework steel column, the transmission device foundation and the platform foundation in the plant is completed, the foundation acceptance before equipment installation is performed;

[0007] S2, assembling the transmission device;

[0008] S3, installing a temporary support frame: a temporary support frame is arranged outside the two side framework steel columns, one side of the temporary support frame is welded and fixed with the framework steel column, and the other side is fixed with the platform foundation in the plant;

[0009] S4, hoisting the transmission device: hoisting the transmission device by using a hoisting machine, and placing the two transmission devices on the temporary support frames on the two sides;

[0010] S5, hoisting the main shaft: hoisting the main shaft by using a hoisting machine and a sling between the two side framework steel columns, and hoisting the main shaft to a corresponding height of the transmission device;

[0011] S6, transmission device and main shaft assembly: set the hoisting crossbeam on the skeleton steel column, and hang the inverted chain under the hoisting crossbeam, slowly lift the transmission device on one side of the main shaft through the inverted chain and approach the main shaft, assemble and connect the main shaft and the transmission device, after completion, slowly lift the transmission device on the other side through the inverted chain and approach the main shaft, and assemble and connect the main shaft and the transmission device on the side;

[0012] S7: adjustment in place: after the assembly and connection of the main shaft and the transmission devices on both sides are completed, the inverted chain, the hoisting crossbeam and the temporary support frame are removed, the transmission device and the main shaft are combined and lowered in place by using the hoisting machinery and the lifting belt, the elevation and the center line of the transmission device are adjusted, after completion, the bottom of the transmission device is fixed with the embedded bolt on the transmission device foundation and grouting is carried out, that is, the overall installation in place of the transmission device is completed.

[0013] Preferably, in step S2, the speed reducer, the motor are assembled to form the transmission device offline, and the speed reducer, the gear box and other lubricated parts are uniformly coated with lubricating oil during assembly.

[0014] Preferably, in step S3, the temporary support frame is designed according to the load and structure form of the transmission device.

[0015] Preferably, in step S4, the assembled transmission device is eccentric, and a plurality of hoisting points need to be arranged to maintain the balance of hoisting.

[0016] Preferably, in step S6, after the adjustment of the shaft gap between the main shaft and the transmission device is completed, composite aluminum-based lubricating oil is applied to make it rotate flexibly without jamming phenomenon.

[0017] The application provides an online installation method of a chain and pallet machine transmission device, which has the following beneficial effects.

[0018] The application places the transmission device through the two temporary support frames, and then approaches the main shaft and assembles and connects the main shaft through the inverted chain, adopts this online installation and assembly mode, overcomes the technical problems that the offline assembly parts are large in size, heavy in weight and difficult to install in place in a narrow space, and improves the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the application;

[0020] In the figure: 1, skeleton steel column; 2, transmission device foundation; 3, platform foundation in the workshop; 4, temporary support frame; 5, transmission device; 6, hoisting crossbeam; 7, inverted chain; 8, lifting belt; 9, main shaft. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0022] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. 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.

[0023] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," 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 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. Therefore, they should not be construed as limiting this invention.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they may refer to a fixed connection, a detachable connection, or an integral connection; they may refer to a mechanical connection or an electrical connection; they may refer to a direct connection or an indirect connection through an intermediate medium; and they may 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] Examples, such as Figure 1 As shown, an online installation method for a chain grate machine transmission device includes the following steps:

[0026] S1. Construction preparation: 1. Frame steel column, 2. Transmission device foundation, 3. Platform foundation inside the factory building. After the construction is completed, conduct foundation acceptance before equipment installation.

[0027] S2. Assemble the transmission device 5;

[0028] The reducer and motor are assembled offline to form transmission device 5. During assembly, lubricating oil should be evenly applied to the reducer, gearbox and other lubrication parts.

[0029] S3, install temporary support frame 4: set up temporary support frame 4 on the outside of the two side skeleton steel columns 1, one side of the temporary support frame 4 is welded and fixed with the skeleton steel column 1, and the other side is fixed with the platform foundation 3 in the factory building;

[0030] According to the load and structure form of the transmission device 5, the temporary support frame 4 is designed.

[0031] S4, transmission device 5 hoisting: hoist the transmission device 5 by using the hoisting machinery, and place the two transmission devices 5 on the two sides of the temporary support frame 4;

[0032] The assembled transmission device 5 is eccentric, and a plurality of hoisting points need to be set to maintain the hoisting balance.

[0033] S5, main shaft 9 hoisting: hoist the main shaft 9 from the two sides of the skeleton steel column 1 by using the hoisting machinery and the lifting belt 8, and hoist the main shaft 9 to the corresponding height of the transmission device 5;

[0034] S6, transmission device 5 and main shaft 9 assembly: set up a hoisting beam 6 on the skeleton steel column 1, and hang a drop chain 7 under the hoisting beam 6, slowly hoist and approach the transmission device 5 on one side of the main shaft 9 through the drop chain 7, assemble and connect the main shaft 9 and the transmission device 5, and after completion, slowly hoist and approach the transmission device 5 on the other side through the drop chain 7 on the other side, and assemble and connect the main shaft 9 and the transmission device 5 on the other side;

[0035] After adjusting the shaft gap between the main shaft 9 and the transmission device 5, compound aluminum-based lubricating oil is applied to make the rotation flexible and free from jamming.

[0036] S7: adjustment in place: after the main shaft 9 and the transmission device 5 on both sides are assembled and connected, remove the drop chain 7, the hoisting beam 6 and the temporary support frame 4, and use the hoisting machinery and the lifting belt 8 to place the transmission device 5 and the main shaft 9 in place, adjust the elevation and center line of the transmission device 5, and after completion, fix the bottom of the transmission device 5 with the embedded bolt on the transmission device foundation 2 and grout, that is, the overall installation of the transmission device 5 is completed.

[0037] The application places the transmission device 5 through the two temporary support frames 4, and then approaches the two transmission devices 5 to the main shaft 9 through the drop chain 7 and assembles and connects them with the main shaft 9, which overcomes the technical difficulties of large size, heavy weight and difficult installation in a small space after traditional offline assembly, and improves the construction efficiency.

[0038] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An on-line installation method of a chain and flight conveyor drive apparatus, characterized by, It comprises the following steps: S1, construction preparation: after the construction of the skeleton steel column, the transmission device foundation and the platform foundation in the plant is completed, the foundation is inspected before the equipment installation; S2, assembling the transmission device; S3, installing the temporary support frame: a temporary support frame is arranged outside the skeleton steel column on both sides, one side of the temporary support frame is welded and fixed with the skeleton steel column, and the other side is fixed with the platform foundation in the plant; S4, hoisting the transmission device: the transmission device is hoisted by using the hoisting machinery, and the two transmission devices are placed on the temporary support frames on both sides; S5, hoisting the main shaft: the main shaft is hoisted between the skeleton steel columns on both sides by using the hoisting machinery and the lifting belt, and the main shaft is hoisted to the corresponding height of the transmission device; S6, assembling the transmission device and the main shaft: a hoisting beam is arranged on the skeleton steel column, and a chain hoist is hung below the hoisting beam, the transmission device on one side of the main shaft is slowly hoisted and approached by the chain hoist, the main shaft and the transmission device are assembled and connected, after completion, the transmission device on the other side is slowly hoisted and approached by the chain hoist on the other side, and the main shaft and the transmission device on the side are assembled and connected; S7, adjusting the position: after the main shaft and the transmission devices on both sides are assembled and connected, the chain hoist, the hoisting beam and the temporary support frame are removed, the transmission device and the main shaft are combined and lowered into position by using the hoisting machinery and the lifting belt, the elevation and the center line of the transmission device are adjusted, after completion, the bottom of the transmission device is fixed with the embedded bolt on the transmission device foundation and grouted, and the overall installation of the transmission device is completed.

2. An on-line installation method of a chain and flight conveyor drive device according to claim 1, characterized in that: In step S2, the speed reducer, the motor are assembled offline to form the transmission device, and the speed reducer, the gear box and other lubricated parts are uniformly coated with lubricating oil during assembly.

3. The online installation method of the chain and grate machine transmission device according to claim 1, characterized in that: In step S3, the temporary support frame is designed according to the load and structure form of the transmission device.

4. The online installation method of the chain and grate machine transmission device according to claim 1, characterized in that: In step S4, the assembled transmission device is eccentric, and multiple hoisting points need to be set to maintain the balance of hoisting.

5. The online installation method of the chain and grate machine transmission device according to claim 1, characterized in that: In step S6, after the adjustment of the gap between the main shaft and the transmission device is completed, composite aluminum-based lubricating oil is applied to make the rotation flexible and free of jamming.

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