CN209922737U - Installation device of main motor of large-scale overflow ball mill - Google Patents
Installation device of main motor of large-scale overflow ball mill Download PDFInfo
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- CN209922737U CN209922737U CN201920734197.XU CN201920734197U CN209922737U CN 209922737 U CN209922737 U CN 209922737U CN 201920734197 U CN201920734197 U CN 201920734197U CN 209922737 U CN209922737 U CN 209922737U
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Abstract
The utility model discloses an installation device of a main motor of a large-scale overflow ball mill, which is used for installing a stator and a rotor of the main motor, and comprises a steel support, two support jacking devices and a hoisting assembly, wherein a slide rail is arranged below the steel support; the utility model provides an among the technical scheme, through steel support, support jacking device and hoisting assembly's horizontal and fore-and-aft bidirectional regulation, guaranteed the installation accuracy of rotor with the stator, construction preparation simple work, construction operation safety is convenient, labour saving and time saving practices thrift the cost.
Description
Technical Field
The utility model relates to a technical field of large-scale overflow type ball mill installation, in particular to installation device of large-scale overflow type ball mill main motor.
Background
The traditional ball mill of the mineral processing system has small volume, and a main motor is assembled and transported in a factory by a supplier to be installed and positioned on site. Due to the recent progress of the mineral separation process, the capacity of the ball mill is greatly improved, the volume of the ball mill is larger and larger, and the size and the weight of parts are also larger and larger. For example, the mounting height of the overflow ball mill is increased from about 3m to about 10m, and a main motor is also split into a stator, a rotor, a rotating shaft section and the like which are respectively transported to a mounting site for assembly.
The weight and the size of the stator and the rotor which are assembled on site are large, the precision requirement of air assembly is high, the clearance is controlled within 15mm, the coaxiality of the motor and the gear shaft is controlled within 0.2mm, the construction difficulty is large, the number of assembling devices is large, and the installation cost is high.
Disclosure of Invention
The utility model aims at providing an installation device of main motor of large-scale overflow type ball mill, the installation accuracy that aims at solving main motor of large-scale overflow type ball mill requires highly, and the construction degree of difficulty is big, and equipment is many, problem such as installation cost height.
In order to achieve the above object, the utility model provides an installation device of a main motor of a large-scale overflow ball mill, which is used for installing a rotor and a stator of the main motor, the installation device comprises a steel support, a hoisting component and two support jacking devices, a slide rail is arranged below the steel support, the steel support is slidably arranged on the slide rail and is provided with an installation station of the rotor and the stator, the two support jacking devices are respectively arranged at the front side and the rear side of the steel support, each support jacking device comprises a support, a jack and a bracket, the hoisting component comprises a truck crane, a hoisting carrying pole and a manual chain hoist which are arranged above the stator and the rotor, the truck crane is used for feeding the rotor into the stator along the front-back direction and placing the two ends of the rotor on the two brackets, the jack supports the two ends of the rotor, and the steel support drives the stator to slide to the installation station, and the truck crane pulls and rotates the hoisting carrying pole and the manual chain hoist so as to adjust the installation clearance between the rotor and the stator to complete the installation of the rotor and the stator.
Preferably, the bottom of the steel support is provided with a roller matched with the slide rail, the roller is connected with a driving motor, the slide rail is installed at the steel support, a first locking device is arranged at the installation station of the slide rail, a position sensor and a second locking device are arranged at the installation station of the slide rail, the driving motor, the position sensor, the first locking device and the second locking device are electrically connected with a control device, the control device controls and drives the driving motor to drive the steel support to slide, and the locking device is controlled to lock the steel support at the installation station of the stator and the rotor according to a sensing signal of the position sensor.
Preferably, the steel support is made of a steel plate with the thickness of 20 mm.
Preferably, the hoisting carrying pole is made of DN200 seamless steel tube and a steel plate with the thickness of 20 mm.
The utility model provides an among the technical scheme, through the truck crane with the rotor along around to sending into in the stator and making the both ends of rotor rest in two brackets, and the jack holds in the palm the rotor to solve the truck crane and lift a crane rotor and pass through the difficult problem of stator, through the installation station of steel support slidable mounting slide rail and rotor and stator, when the steel support drives the stator and slides to the installation station, the truck crane pulls the rotation hoist and mount shoulder pole and manual chain block accomplish the installation of rotor and stator with the installation clearance of adjustment rotor and stator, horizontal and fore-and-aft bidirectional control of steel support, support jacking device and hoist and mount subassembly has guaranteed the installation accuracy of rotor and stator, and construction preparation work is simple, construction operation safety and convenience, labour saving and time saving practices thrift the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic front view of a stator of a main machine;
fig. 2 is a schematic view of an embodiment of a mounting device for a main motor of a large overflow ball mill according to the present invention;
FIG. 3 is a schematic view of the front end bearing of the rotor of FIG. 2 passing through the inner race of the stator;
fig. 4 is a schematic view illustrating the correction of the hoisting position of the rotor entering the inner ring of the stator in fig. 2.
The reference numbers illustrate: 1-stator, 2-rotor, 3-steel support, 31-roller, 4-support jacking device, 41-support, 42-jack, 43-bracket, 5-hoisting component, 51-truck crane, 52-hoisting carrying pole, 53-manual chain hoist, 6-slide rail, 61-position sensor, 62-first locking device, 63-second locking device and 7-rubber sheet.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The utility model provides an installation device of main motor of large-scale overflow type ball mill for the installation of the rotor of main motor and stator, figure 1 to figure 4 are the utility model provides an embodiment of an installation device of main motor of large-scale overflow type ball mill.
Referring to fig. 1 to 4 together, the mounting device of the main motor of the large-scale overflow ball mill comprises a steel support 3, a hoisting assembly 5 and two support jacking devices 4, a slide rail 6 is arranged below the steel support 3, the steel support 3 is slidably mounted on the slide rail 6 and has a mounting station for a rotor 2 and a stator 1, the two support jacking devices 4 are respectively arranged at the front side and the rear side of the steel support 3, each support jacking device 4 comprises a support 41, a jack 42 and a bracket 43, the hoisting assembly 5 comprises a truck crane 51, a hoisting carrying pole 52 and a manual chain block 53 which are arranged above the stator 1 and the rotor 2, the truck 51 is used for feeding the rotor 2 into the stator 1 in the front-back direction and placing two ends of the rotor 2 on the two brackets 43, the jack 42 jacks the two ends of the rotor 2, and the steel support 3 drives the stator 1 to slide to the mounting station, the truck crane 51 pulls and rotates the hoisting carrying pole 52 and the manual chain block 53 to adjust the installation gap between the rotor 2 and the stator 1 to complete the installation of the rotor 2 and the stator 1.
In the technical scheme provided by the utility model, the rotor 2 is sent into the stator 1 along the front-back direction through the truck crane 51, the two ends of the rotor 2 are placed on the two brackets 43, the two ends of the rotor 2 are supported by the jack 42, so as to solve the problem that the truck crane 51 lifts the rotor 2 to pass through the stator 1, the steel support 3 is used for slidably mounting the slide rail 6 and is provided with the mounting stations of the rotor 2 and the stator 1, when the steel support 3 drives the stator 1 to slide to the mounting stations, the truck crane 51 pulls the hoisting carrying pole 52 and the manual chain hoist 53 to adjust the mounting clearance between the rotor 2 and the stator 1 to complete the installation of the rotor 2 and the stator 1, the horizontal and longitudinal bidirectional adjustment of the steel support 3, the support jacking device 4 and the hoisting component 5 ensures the mounting precision of the rotor 2 and the stator 1, the construction preparation work is simple, the construction operation is safe and convenient, time and labor saving, and the cost is saved.
In this embodiment, referring to fig. 2 to 4, a roller 31 matched with the slide rail 6 is disposed at the bottom of the steel support 3, the roller 31 is connected to a driving motor, a first locking device 62 is disposed at a position where the slide rail 6 is mounted on the steel support 3, a position sensor 61 and a second locking device 63 are disposed at a mounting position of the slide rail 6, the driving motor, the position sensor 61, the first locking device 62, and the second locking device 63 are electrically connected to a control device, the control device controls and drives the driving motor to drive the steel support 3 to slide, and controls the locking device to lock the steel support 3 at the mounting positions of the stator 1 and the rotor 2 according to a sensing signal of the position sensor 61. The position sensor 61 and the locking device are matched for transverse adjustment, so that the transverse installation of the rotor 2 and the stator 1 is more convenient, and the adjustment is more accurate.
In this embodiment, the steel support 3 is made of a steel plate with a thickness of 20 mm.
In this embodiment, the hoisting carrying pole 52 is made of DN200 seamless steel pipe and steel plate with a thickness of 20 mm.
The mounting steps of the main motor of the large-scale overflow ball mill comprise:
(1) flattening and tamping a field near the foundation of the ball mill, paving a slide rail 6 on the field, slidably mounting a roller 31 at the bottom of the steel support 3 on the slide rail 6, and locking the steel support 3 on the slide rail 6 through a first locking device 62;
(2) the stator 1 is hoisted to the steel support 3 by using a truck crane 51, is fixedly installed in place, is leveled and placed, and is covered with a rubber sheet 7 with the thickness of 3mm at the lower half part of the inner wall surface of the inner ring of the stator 1, and the coverage range of the rubber sheet 7 is at least 180 degrees, so that the inner ring of the stator 1 is protected from being damaged, and the problem of motor quality caused by damage to coil insulating paint due to collision in the assembling process of the stator 1 and the rotor 2 is avoided;
(3) a 100t truck crane 51 is used for tying a hoisting belt to hoist the rotor 2, the hoisting belt is used for protecting a bearing of the rotor 2, a hoisting point is arranged on a rotating shaft close to two ends of the rotor 2, the bearing of the rotor 2 penetrates through the center of an inner ring of the stator 1 by utilizing the rotation of the 100t truck crane 51, and the bearing at two ends of the rotor 2 is placed on two brackets 43 after the bearing of the rotor 2 penetrates out of the stator 1;
(4) unloading the 100t truck crane 51, controlling the first locking device 62 to unlock by the control device, controlling the driving motor to drive the steel support 3 to slide along the slide rail 6, and controlling the second locking device 63 to lock the steel support 3 at the installation stations of the stator 1 and the rotor 2 according to the sensing signal of the position sensor 61, so that the rotor 2 enters the inner ring of the stator 1;
(5) replacing a special hoisting carrying pole 52 with the hoisting capacity of 100t, hoisting the hoisting carrying pole 52 by a 100t truck crane 51, wherein the carrying pole is respectively tied with two chain hoists with the hoisting weight of 25t, the special hoisting carrying pole 52 made of seamless steel tubes is matched with a chain block and a steel wire rope, when the hoisting carrying pole 52 hoists the rotor 2, the integral position of the rotor 2 is fixed so as to prevent the rotor 2 and the stator 1 from having displacement deviation, so that the position of the rotor 2 can be conveniently adjusted and straightened, the hoisting carrying pole 52 spans across the stator 1 of the main motor, rubber sheets with the thickness of 3mm are wrapped on bearings at two ends of the rotor 2, and the two chain hoists are tied outside the rubber sheets so as to protect the rotor 2 bearing from being damaged;
(6) the levelness and the fine-tuning hoisting height of the rotor 2 are adjusted by the traction chain hoist, the rotor 2 is controlled to swing by tying ropes at two ends of a rotating shaft of the rotor 2, the truck crane 51 is slightly rotated, the gap between the rotor 2 and the stator 1 is controlled to be 7mm, and after the rotor 2 and the stator 1 of the main motor are assembled, the main motor is integrally hoisted to the bearing seat by the 100t truck crane 51.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (4)
1. The utility model provides a large-scale overflow type ball mill owner motor's installation device for the installation of the stator and the rotor of main motor, its characterized in that: comprises a steel support, two support jacking devices and a hoisting component, a slide rail is arranged below the steel support, the steel support is slidably arranged on the slide rail and is provided with an installation station of a rotor and a stator, the two support jacking devices are respectively arranged at the front side and the rear side of the steel support, each support jacking device comprises a support, a jack and a bracket, the hoisting component comprises a truck crane, a hoisting carrying pole and a manual chain block which are arranged above the stator and the rotor, the truck crane is used for conveying the rotor into the stator along the front-back direction and enabling two ends of the rotor to be placed on the two brackets, and the jack supports the two ends of the rotor, when the steel support drives the stator to slide to the mounting station, and the truck crane pulls and rotates the hoisting carrying pole and the manual chain hoist so as to adjust the installation clearance between the rotor and the stator to complete the installation of the rotor and the stator.
2. The mounting device of the main motor of a large overflow ball mill according to claim 1, wherein: the steel support bottom be equipped with slide rail complex gyro wheel, the gyro wheel is connected with driving motor, the slide rail installation steel support department is equipped with first locking device, the installation station department of slide rail is equipped with position inductor and second locking device, driving motor, position inductor, first locking device and second locking device electric connection have controlling means, controlling means control drive driving motor drives the steel support slides, and according to the sensing signal of position inductor, control locking device will the steel support locking is at the installation station of stator and rotor.
3. The mounting device of the main motor of a large overflow ball mill according to claim 1, wherein: the steel support is made of a steel plate with the thickness of 20 mm.
4. The mounting device of the main motor of a large overflow ball mill according to claim 1, wherein: the hoisting carrying pole is made of DN200 seamless steel tubes and steel plates with the thickness of 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920734197.XU CN209922737U (en) | 2019-05-22 | 2019-05-22 | Installation device of main motor of large-scale overflow ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920734197.XU CN209922737U (en) | 2019-05-22 | 2019-05-22 | Installation device of main motor of large-scale overflow ball mill |
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| Publication Number | Publication Date |
|---|---|
| CN209922737U true CN209922737U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920734197.XU Active CN209922737U (en) | 2019-05-22 | 2019-05-22 | Installation device of main motor of large-scale overflow ball mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015616A (en) * | 2019-05-22 | 2019-07-16 | 中国十五冶金建设集团有限公司 | A kind of mounting device and installation method of large size overflowball mill main motor |
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2019
- 2019-05-22 CN CN201920734197.XU patent/CN209922737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015616A (en) * | 2019-05-22 | 2019-07-16 | 中国十五冶金建设集团有限公司 | A kind of mounting device and installation method of large size overflowball mill main motor |
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