Vertical bucket elevator installation and construction process
1 bucket elevator upper mounting
Bucket elevator upper components: the upper part by a bucket elevator drive unit (motor, reducer and base), couplings, wheels and frame composition on tape.
Bucket elevator installation process upper
Unpack the Device acceptance, dumps the device from the device with a forklift or truck to the ground near the building in which the equipment, if equipment location is a layer,
then the direct use of a forklift or truck to the side equipment foundation. If the device is based on a higher position, then use crane lifting, crane model selection
Optional equipment should refer to the location of the height of the lifting position in which the radius of gyration, equipment weight. If the equipment is overweight, high
position, then prepared a separate lifting program.Plastic belt conveyor
After re-inspection equipment foundation, hand truck or hoist with two roll bar will add bucket elevator drive unit (motor, reducer and base), couplings, belt wheel and bracket
on the flat side to move equipment foundation, and then use the guide chain upgrade in place.
Drive unit and the tape wheel alignment bracket in place: on the basis of the cross according to the centerline respectively on tape drives and wheel bracket for alignment, the
drive to find Punctuality is: drive on the base surface of the motor and gearhead coupling between (or the motor output shaft
) And reducer output shaft; wheel bracket on the tape to find Punctuality is: on the upper surface of the base tape wheel bracket and bracket two belt wheel bearing face. Find
positive ways to use box-type levels measured, using oblique horn adjustment, the two groups should be less than the distance L between the horn 500mm, and the horn should be
placedmaterial handling conveyor
Symmetry. Horn specifications and dimensions shall meet GB50231-98 "machinery and equipment for construction and acceptance of universal norms" Appendix V requirements.
Drive unit and the belt wheel bracket grouting: after passing the time alignment once with a fine stone concrete grout until the concrete strength of 75%, it can be secondary
grouting. Note the following:
(1) bolt hole size to meet the requirements;
(2) bolt hole should be clean and free of debris;
(3) should be vertical bolt, nut bolt protruding 2-3 pitch.
2 bucket elevator lower mounting
The composition of the lower bucket elevator: bucket wheel machine tape from the next lower and lower base composition.
Intermediate guide wheels mounted
In accordance with the bucket elevator intermediate guide wheel installation diagram for the installation, use the method of measuring the middle hanging wire guide wheel center
Install the intermediate guide wheels should note the following:
All the central axis of the intermediate guide wheels should be parallel to each other and with the bucket elevator up and down the central axis of the tire in the same vertical
plane, tolerance of ± 2mm.
All intermediate guide wheels the outer contour line should be in the same vertical plane, tolerance of ± 2mm.
3 bucket elevator casing installation
Structure: bucket elevator casing is composed of many segments rectangular flange bolts, gasket from the middle.
Bucket elevator belt wheel up and down after installation tape according to the specific characteristics of bucket elevator, bucket elevator sub-assembly housing. For ease of
installation tape and hopper, bucket elevator generally reserved for close to a section of the lower belt wheel bucket elevator casing, bucket elevator Central section of the
upper housing and the bucket elevator discharge port
Cover. Measured with a hanging wire bucket elevator casing nonstraightness.
Mention machine shell intermediate support device installation: Because bucket elevator casing longer and have a certain weight, the installation must have some intermediate
support means supporting bucket elevator casing. Intermediate support device according to installation diagram and installation requirements for installation.
Bucket elevator Case Note:
(1) bucket elevator casing connections between segments at the sealing gasket should not be forced to connect.
(2) bucket machine housing should not straightness ≤ H/1000, and ≤ 6mm.
4 tape and mounting hopper
Tape Connection: Connection tape and glue the bolts connecting France legally, their connections shall comply with the following requirements:
(1) Rubber cloth tape ends shall be cut into the appropriate cord layer stepped shape, joint length should be 1-2 times the width;
(2) the material with adhesive tape material should have the same flexibility;
(3) joints should be firm, increasing the thickness of the joints shall not exceed 5% of the thickness of the tape;
(4) Adhesive tape curing temperature and curing time and room temperature bonding shall comply with technical documentation and equipment requirements for adhesives;
(5) tape bolted or glued joints should overlap along the tape running direction;
(6) to pre-tension the tape, pre-tension is preferably 1.5-2 times the work force, pre-stretched to 24 hours duration.
(7) hopper installation: bucket elevator manufacturers in accordance with installation drawings and specification requirements for installation hoppers. Install hopper to note
Strict accordance with the bucket elevator manufacturers installation drawings and specification requirements for installation are not free to change the location and number of
Joints hopper installation: lap length should span three hopper, which is connected with the tape ends of the bolt axis distance of not less than 50mm.