This machine is a vertical hoist , the foundation of which bears the full weight of the equipment, so the basic arrangement must be checked before installation.
Install the machine in the following order: install the foundation bolt according to the drawing on the basis, then firmly install the lower section on the foundation, then connect the middle casing on the lower section, and then connect the upper section after the connection is completed; Then install the transmission platform, install the reducer, motor, coupling and protective cover on the transmission platform; and turn the high-speed shaft of the reducer by hand to check whether the rotation of each unit is smooth and easy.
In order to prevent the hoist from shifting to the side, a support device must be installed in the upper section. The device should be securely fastened to the building near the unit and should not restrict the machine from freely expanding and contracting in the vertical direction.
When the metal components of the machine are installed, start assembling the hopper, tape, and finally install the left and right half covers.
When assembling the hopper on the tape, first cut a piece of tape of the required length, and strictly calculate the hole line for fixing the hopper on the tape according to the drawing to ensure that the hopper has the correct pitch and configuration, and is not allowed to exceed the allowable on the drawing. Deviation (a simple template can be made between each of the two hoppers, and the hopper bolt hole is punched out with a punch before the tape is installed).
2, the basic requirements for installation
The foundation for the installation must be sturdy, and the relative positions must be correct to ensure that the lower section support surface of the unit is in a horizontal position.
The connection of the middle casing allows the waterproof canvas or asbestos tape to be padded to ensure a seal. The connecting flanges of the cabinets must be neat and must not be significantly misaligned. The centerline stress of all the intermediate casings should be on the same lead line, and the linear deviation should not exceed 1 mm in the length of 1 m, and the cumulative deviation should not exceed 1/2000 of the full height.
The drive roller shaft and the tension roller shaft should be parallel to each other.
The hopper tape installed in the machine should not be skewed or collided. The tape joint should be firm, close and continuous.
The belt tensioning device is used to evenly adjust the tape to have the tension necessary for normal operation. In order to ensure that the bolt tensioning device has sufficient stroke during use, the tensioning device should not be used downward after the installation adjustment. Not less than 4/5 of the full trip.
The assembly of the hopper on the tape must be strong and reliable and properly arranged.
The baffle must be placed in the middle casing according to the drawings.
The axis of the drive drum of the hoist should be on the same horizontal line as the axis of the low speed of the reducer, which allows the offset to be no more than 0.2 mm and the axis angle 40/.
The axis of the motor and the axis of the high speed shaft of the reducer should be parallel to each other on a horizontal plane.
When moving with a high speed shaft human machine after full installation, the rotation should be easy, smooth, moving parts and the fixed collision phenomenon occurs is not allowed, if all of the above requirements to achieve satisfactory and that, should all the bolts are tightened, lifting clear All the pieces of material inside the machine , and the lubrication system is filled with lubrication, and then a two-hour no-load test can be carried out.
3, no load test precautions
Observe the operation of the hopper, and the running part must not collide and jam with the relevant parts.
Check whether the oil temperature in each bearing is normal, and whether the sealing device has oil leakage: the working condition of the transmission device, whether there is excessive noise in the reducer; whether the function of the electrical control device is normal.
When the load is not tested, the check device should be carefully observed. The pawl should be disengaged from the ratchet teeth under the action of centrifugal force. When stopping, the pawl should be in reliable contact with the ratchet teeth under the action of the leaf spring.
Check that all fastening bolts are loose. Check if the hopper and tape fastening screws are loose after parking. When the no-load test is considered satisfactory, a 16-hour load test should be carried out.
4, load test precautions
The load test shall be carried out under the conditions of the original designed conveying capacity and the materials to be transported.
First observe the operation of the transmission, whether the load of the motor has reached full load or overload, whether the electrical control equipment is working properly, whether the noise of the reducer is excessive, the working condition of the upper section and the lower section, whether the tape slips on the drum Whether the running speed meets the design requirements.
Under the condition of uniform feeding, pay attention to the drawing characteristics of the conveying material, whether the center of the material conveyed at the feeding port is aligned with the center of the hopper, and no material accumulation phenomenon may occur in the lower section of the machine. It is necessary to observe the fullness of the conveyed material in the hopper and whether the delivery amount meets the design requirements.
The material shall be thrown out from the discharge port and shall not collide with the top of the upper casing and the two walls of the discharge opening, and the material shall not be allowed to reverse.
After obtaining good results through the load operation, the machine can consider the installation to be completed.
5, the use and maintenance of the hoist
The machine should have a fixed person in the work process. The caretaker must have general technical knowledge and familiarity with the performance of the machine.
The use of this machine (characteristics, working conditions, conveying capacity, etc. of the material to be conveyed) shall strictly comply with all the provisions of this specification.
The use unit shall comply with the “Safety Operation Procedures for Equipment Maintenance and Inspection†and obey the compliance personnel. The caretaker must have a handover system and carefully check the work of the hoisting departments.
There should be a fixed feeding device to evenly coat the machine. The feeding capacity of the feeding device shall be within the range of conveying volume listed in the main technical specifications of the hoisting machine , and the lower section shall not be blocked by the conveying material.
All inspection doors must be completely closed during work. Appropriate lighting should be installed at the upper and lower sections and the frequently opened inspection doors. If a fault occurs during work, it must be stopped immediately to eliminate the fault. If there are defects that should not be eliminated immediately, but there is no excessive impact on the work, it should be recorded and eliminated when it is to be repaired.
The caretaker should always check the work of each part, but it is absolutely forbidden to clean and repair the moving parts of the machine during operation.
The bolt tensioning device in the lower section should be adjusted to maintain the normal tension of the tape. The caretaker should always observe the working condition of the hopper tape, and the damaged hopper should be removed.
The caretaker is mainly responsible for observing the sporadic work such as working status, cleaning, lubrication and inspection adjustment. The machine must be started under no load and stopped after unloading.
Hoist addition to maintaining normal lubrication during use (column lubrication, methods, and materials cycle in Table 10) of the outer parts and replace them damage, defects must be eliminated when using the described maintenance, removal of damaged parts and waste Replace the lubricant. The use unit can make an overhaul cycle based on the working conditions of the hoist .
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