CN216235779U - Main winding device driven by permanent magnet synchronous motor - Google Patents
Main winding device driven by permanent magnet synchronous motor Download PDFInfo
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- CN216235779U CN216235779U CN202122839613.2U CN202122839613U CN216235779U CN 216235779 U CN216235779 U CN 216235779U CN 202122839613 U CN202122839613 U CN 202122839613U CN 216235779 U CN216235779 U CN 216235779U
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- permanent magnet
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- main winch
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Abstract
The utility model provides a permanent-magnet synchronous motor driven main hoisting apparatus, it includes main hoist frame (6), installs main hoist (5) in main hoist frame (6), its characterized in that: the input end of the main winch frame (6) is provided with a permanent magnet synchronous driving motor (1) through a dial (2), the output shaft of the permanent magnet synchronous driving motor is connected with the input end of a main winch speed reducer (4) through a spline shaft (3), and a brake for controlling the start and stop of the main winch (5) is arranged in the main winch speed reducer (4). Because the power source of the winch is driven by the motor, the transmission efficiency is up to more than 98 percent, the instant doubling torque can be provided, the construction noise is low, the cost of the power source of the winch is reduced, and the method follows the national carbon neutralization target step. Through market verification of batch pure electric rotary drilling rigs, the rotary drilling rig is popular with customers, efficient and low-noise construction is achieved, and greater value can be created for the customers.
Description
Technical Field
The utility model relates to a main hoisting device driven by a permanent magnet synchronous motor for a pure electric or hybrid rotary drilling rig.
Background
Along with the rapid development of the infrastructure of China, the demand of the rotary drilling rig in projects such as highway bridges, railways, water conservancy, urban construction and the like is continuously increased, and along with the continuous expansion of the construction range, the effect of the rotary drilling rig on a national heavy device is very obvious, and China firstly puts forward in 2020: china will improve the autonomous contribution of the country, adopt more powerful policies and measures, strive for the carbon dioxide emission to reach the peak value 2030 years ago, strive for the carbon neutralization 2060 years ago. Along with the stricter environmental protection requirements, the electric trend reminds the electric requirements of all parts of the rotary drilling rig. The main winch of the traditional rotary drilling rig mostly uses a hydraulic motor to provide power, and the hydraulic motor mainly depends on import, so that the hydraulic motor is limited by the import motor in the aspects of price, supply period, after sale and the like. The motor drive can solve the restriction of import motor in price, supply period, after sale, etc.
Disclosure of Invention
The utility model aims to provide a main hoisting device driven by a permanent magnet synchronous motor, which is mainly applied to a pure electric or hybrid rotary drilling rig aiming at the defects in the prior art. The motor is used for driving the main winch, so that energy recovery can be realized in construction, and high efficiency and energy conservation can create greater value for customers.
The object of the utility model can be achieved by the following technical measures:
the main winch device driven by the permanent magnet synchronous motor comprises a main winch frame and a main winch arranged on the main winch frame; the input end of the main winch frame is provided with a permanent magnet synchronous driving motor through a transition disc, the output shaft of the permanent magnet synchronous driving motor is connected with the input end of a main winch speed reducer through a spline shaft, and a brake for controlling the start and stop of the main winch is arranged in the main winch speed reducer.
The permanent magnet synchronous driving motor adopts the structural characteristics that the permanent magnet synchronous driving motor is combined with the input end of the main winch frame through the dial plate, and the output shaft of the permanent magnet synchronous driving motor is connected with the input end of the main winch speed reducer through the spline shaft, so that the coaxiality and rigid transmission can be ensured, and the transmission efficiency can reach more than 98%.
The utility model has the following beneficial effects:
1. the utility model is used on a pure electric or hybrid rotary drilling rig, replaces the original hydraulic motor power source scheme, expands the hoisting driving scheme, gets rid of the restrictions of imported hydraulic motors on cost, supply period, purchase, after sale and the like, improves the construction efficiency and reduces the construction noise.
2. The permanent magnet synchronous driving motor is used for driving the main winch, and the instantaneous torque is doubled to provide larger lifting force when the drill rod is lifted.
3. The permanent magnet synchronous driving motor is used for driving the main winch, the drill rod lifting working condition motor serves as a driving machine, and the drill rod lowering working condition motor serves as a generator for recovering energy and storing electric energy.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a view showing an installation structure of the present invention.
Fig. 3 is a left side view of fig. 1.
Numbers in fig. 1, 2, and 3: the device comprises a permanent magnet synchronous motor 1, a transition disc 2, a spline shaft 3, a speed reducer 4, a main winch 5, a main winch frame 6, a suspension system 7 and a rope pressing device 8.
Fig. 4 is a diagram illustrating the present invention.
Number in fig. 4: 4-1 unloading device, 4-2 lifting device electric main winch, 4-3 loading covering piece, 4-4 drilling bucket, 4-5 rotary and amplitude changing device, 4-6 power head, 4-7 drill rod, 4-8 steel wire rope, 4-9 back pulley device, 4-10 mast and 4-11 pulley frame assembly.
Detailed Description
The utility model will be further described with reference to the following examples (drawings):
as shown in fig. 1, 2 and 3, the permanent magnet synchronous motor-driven main winding device of the present invention includes a main winding frame 6, a main winding 5 installed on the main winding frame 6; the input end of the main winch frame 6 is provided with a permanent magnet synchronous driving motor 1 through a dial 2, the output shaft of the permanent magnet synchronous driving motor is connected with the input end of a main winch speed reducer 4 through a spline shaft 3, and a brake for controlling the start and stop of a main winch 5 is arranged in the main winch speed reducer 4.
The permanent magnet synchronous driving motor adopts the structural characteristics that the through-dial 2 is combined with the input end of the main winch frame 6, and the output shaft of the permanent magnet synchronous driving motor is connected with the input end of the main winch speed reducer 4 through the spline shaft 3, so that the coaxiality and rigid transmission can be ensured, and the transmission efficiency can reach more than 98%.
The main winch can be widely used on a hybrid/pure electric rotary drilling rig by using motor driving, as shown in fig. 4, after the rotary drilling rig is in place at a preset pile position, the drilling bucket 4-4 with a trembler is positioned to the center of a pile hole by using a mast 4-10 to guide to lower a drill rod 4-7, a hybrid rotary drilling rig provides power for a power head 4-6 through an engine or a battery, the drill rod 4-7 drives the drilling bucket 4-4 to gyrate and crush rock soil through the drill rod 4-7 through torque provided by the power head 4-6 and the downward pressure of a pressurizing device, and the rock soil is squeezed into the drilling bucket 4-4, then the electric main winch 2 of the lifting device lifts and lowers the telescopic drill rod 4-7 through a steel wire rope 4-8 to realize the soil unloading outside the hole 4-4 of the drilling bucket, and the reciprocating work of the drilling machine is realized by the rotation of the lower vehicle device 4-1 and the lifting of the amplitude changing device 4-5.
Claims (1)
1. The utility model provides a permanent-magnet synchronous motor driven main hoisting apparatus, it includes main hoist frame (6), installs main hoist (5) in main hoist frame (6), its characterized in that: the input end of the main winch frame (6) is provided with a permanent magnet synchronous driving motor (1) through a dial (2), the output shaft of the permanent magnet synchronous driving motor is connected with the input end of a main winch speed reducer (4) through a spline shaft (3), and a brake for controlling the start and stop of the main winch (5) is arranged in the main winch speed reducer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122839613.2U CN216235779U (en) | 2021-11-19 | 2021-11-19 | Main winding device driven by permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122839613.2U CN216235779U (en) | 2021-11-19 | 2021-11-19 | Main winding device driven by permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216235779U true CN216235779U (en) | 2022-04-08 |
Family
ID=80947203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122839613.2U Active CN216235779U (en) | 2021-11-19 | 2021-11-19 | Main winding device driven by permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216235779U (en) |
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2021
- 2021-11-19 CN CN202122839613.2U patent/CN216235779U/en active Active
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