CN219498358U - Frequency converter and power device of screwing machine - Google Patents
Frequency converter and power device of screwing machine Download PDFInfo
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- CN219498358U CN219498358U CN202320740472.5U CN202320740472U CN219498358U CN 219498358 U CN219498358 U CN 219498358U CN 202320740472 U CN202320740472 U CN 202320740472U CN 219498358 U CN219498358 U CN 219498358U
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- butt joint
- fixedly connected
- frequency converter
- connector
- power device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application provides a frequency converter and power device of a screwing machine, which comprises a frequency converter, wherein an installation seat is fixedly connected inside an installation groove through a screw, and the outer surfaces of a first connector and a second connector are respectively inserted with a first butt joint and a second butt joint; the inside fixedly connected with power cable of first butt joint, the one end that the connecting cable kept away from the second butt joint is used for fixed connection high fundamental frequency three-phase asynchronous motor. According to the utility model, the frequency converter, the connecting cable and the high-fundamental frequency three-phase asynchronous motor are arranged, so that sparks are not needed to be replaced periodically when the power device works, the rotating speed of the power device is not changed greatly along with the change of a load, the installation efficiency of ground screws is improved, the rotating speed of the whole power device can be adjusted according to specific working conditions under the condition that the torque is unchanged, the speed is continuously adjustable, and the fixing plate, the connecting plate, the fixing rod and the limiting block are arranged, so that the installation efficiency of the device is improved.
Description
Technical Field
The application belongs to ground screw machine technical field, and more specifically relates to a frequency converter and power device of screwing.
Background
At present, a single-phase series excited motor is generally adopted as a power device of a ground screw screwing machine on the market, and because the series excited motor is provided with a brush holder, the carbon brush is in rotary friction contact with the brush holder during working, the electromagnetic interference is large, and the carbon brush needs to be replaced irregularly.
Aiming at the defects, the applicant considers that a power device of the screwing machine is formed by combining a frequency converter and a high-fundamental-frequency three-phase asynchronous motor, but a connecting cable is connected with the power cable by a screw in the use process, and the assembling and the disassembling are complicated.
Disclosure of Invention
In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the frequency converter and the three-phase high-frequency driving screw are provided, a mounting groove is formed in the frequency converter, a mounting seat is fixedly connected to the inside of the mounting groove through a screw, a first connector and a second connector are fixedly connected to the bottom of the mounting seat, and a first butt joint and a second butt joint are respectively inserted into the outer surfaces of the first connector and the second connector;
the inside of the first butt joint is fixedly connected with a power cable, the inside of the second butt joint is fixedly connected with a connecting cable, and one end, far away from the second butt joint, of the connecting cable is used for fixedly connecting a high-fundamental-frequency three-phase asynchronous motor;
the utility model discloses a frequency converter, including the frequency converter, the inside of frequency converter has been seted up the spacing groove, the quantity of spacing groove is two, and is symmetrical distribution, two the inside of spacing groove respectively with first butt joint and second butt joint swing joint, and the laminating of the surface of first butt joint and second butt joint has the stopper.
Optionally, a circular groove is formed in the frequency converter, and a sliding block is connected to the inner side wall of the circular groove in a sliding mode.
Optionally, the surface fixedly connected with fixed column of slider, the inside wall fixedly connected with dog in circular slot, and the fixed column runs through the dog.
Optionally, the surface swing joint of fixed column has the spring, and the spring is located between slider and the dog.
Optionally, the one end fixedly connected with fixed plate that the slider was kept away from to the fixed column, and the side surface fixedly connected with connecting plate of fixed plate, the side surface fixedly connected with dead lever of connecting plate, and the top of dead lever and the bottom fixed connection of stopper.
The application also provides a power device of screwing, including above-mentioned converter, the converter passes through connecting cable and is connected with high fundamental frequency three-phase asynchronous motor.
The utility model has the following beneficial effects:
1. compared with the prior art, through setting up converter, connecting cable and high fundamental frequency three-phase asynchronous motor, this power device during operation does not have the spark and need not regularly change spare parts, power device is little along with the change rotational speed change of load, has improved ground screw installation's efficiency, can adjust the rotational speed of whole power device according to specific operating mode under the unchangeable circumstances of moment of torsion moreover, and speed is continuous adjustable.
2. Compared with the prior art, the frequency converter is through setting up fixed plate, connecting plate, dead lever and stopper, utilizes the fixed plate to drive the fixed column and reciprocates for the slider compresses the spring, and then is convenient for drive stopper and first butt joint and second butt joint separation through connecting plate and dead lever, thereby is convenient for separate first butt joint and second butt joint with first connector and second connector respectively, thereby realizes quick installation and the change of power cable and connecting cable, is favorable to the efficiency of hoisting device installation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view of the internal portion of the frequency converter of the present utility model;
FIG. 4 is an enlarged view of FIG. 3A in accordance with the present utility model;
FIG. 5 is a schematic diagram of an internal part of a frequency converter according to the present utility model;
fig. 6 is an enlarged view of fig. 5 at B in accordance with the present utility model.
The symbols in the drawings illustrate:
1. a frequency converter; 2. a power cable; 3. a connecting cable; 4. high-fundamental frequency three-phase asynchronous motor; 5. a circular groove; 6. a slide block; 7. fixing the column; 8. a spring; 9. a stop block; 10. a fixing plate; 11. a connecting plate; 12. a fixed rod; 13. a limiting block; 14. a mounting groove; 15. a mounting base; 16. a first connector; 17. a second connector; 18. a first pair of joints; 19. a second pair of joints; 20. and a limit groove.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
Referring to fig. 1-6, in the frequency converter provided by the utility model, a mounting groove 14 is formed in the frequency converter 1, a mounting seat 15 is fixedly connected in the mounting groove 14 through a screw, a first connector 16 and a second connector 17 are fixedly connected at the bottom of the mounting seat 15, and a first butt joint 18 and a second butt joint 19 are respectively inserted on the outer surfaces of the first connector 16 and the second connector 17;
the inside fixedly connected with power cable 2 of first butt joint 18, the inside fixedly connected with connecting cable 3 of second butt joint 19, connecting cable 3 keep away from the one end fixedly connected with high fundamental frequency three-phase asynchronous motor 4 of second butt joint 19, form the power device of screwing.
The limiting grooves 20 are formed in the frequency converter 1, and the number of the limiting grooves 20 is two and symmetrically distributed. The first and second connectors 18, 19 are conveniently limited by the limiting groove 20 so as to be connected with the first and second connectors 16, 17. The inside of the two limiting grooves 20 is movably connected with the first butt joint 18 and the second butt joint 19 respectively, and the limiting blocks 13 are attached to the outer surfaces of the first butt joint 18 and the second butt joint 19. The first butt joint 18 and the second butt joint 19 are supported by the two side limiting blocks 13, so that the stability of the connection of the first butt joint 18 and the second butt joint 19 is enhanced.
The input ends of the power cable 2 and the frequency converter 1 can be single-phase power input, three-phase power input, or single-phase power input and three-phase power input, so that the three-phase industrial power and the single-phase civil power can be used as input power, the application range of the screwing power device for the power is widened, the frequency of the frequency converter 1 can be continuously adjustable, the frequency can be continuously adjusted under the rated frequency point of the motor, the work belongs to constant torque work, namely the rotating speed of the motor can be continuously adjusted, the torque is unchanged, and the rotating speed of the whole set of power device can be adjusted at any time according to different working conditions when screwing ground screws.
The rated frequency of the high-fundamental frequency three-phase asynchronous motor 4 is 300 Hz-600 Hz, the rated synchronous rotating speed is 18000 rpm-36000 rpm, the high-fundamental frequency three-phase asynchronous motor 4 greatly improves the power density due to the design of the high-fundamental frequency, the weight of the motor is greatly reduced, the working intensity of workers is reduced when the motor is operated, and the squirrel-cage three-phase asynchronous motor is durable, and the vibration and noise are much smaller than those of a single-phase series motor.
The high-fundamental frequency three-phase asynchronous motor 4 has a nominal frequency of typically 400Hz and a nominal synchronous speed of 24000rpm.
The inside of the frequency converter 1 is provided with a circular groove 5, and the inner side wall of the circular groove 5 is connected with a sliding block 6 in a sliding way.
The surface fixedly connected with fixed column 7 of slider 6, the inside wall fixedly connected with dog 9 of circular slot 5, and fixed column 7 runs through dog 9.
The outer surface of the fixed column 7 is movably connected with a spring 8, and the spring 8 is positioned between the sliding block 6 and the stop block 9.
One end of the fixed column 7 far away from the sliding block 6 is fixedly connected with a fixed plate 10, the side surface of the fixed plate 10 is fixedly connected with a connecting plate 11, the side surface of the connecting plate 11 is fixedly connected with a fixed rod 12, and the top of the fixed rod 12 is fixedly connected with the bottom of a limiting block 13. Utilize fixed plate 10 to drive fixed column 7 and reciprocate for slider 6 compresses spring 8, and then is convenient for drive stopper 13 and first butt joint 18 and the separation of second butt joint 19 through connecting plate 11 and dead lever 12, thereby be convenient for with first butt joint 18 and the separation of second butt joint 19 with first connector 16 and second connector 17 respectively, thereby realize quick installation and the change of power cable 2 and connecting cable 3, be favorable to the efficiency of hoisting device installation.
Working principle: when the screw screwing device is used, the fixing plate 10 is utilized to drive the fixing column 7 to move upwards, the sliding block 6 is used for compressing the spring 8, and then the limiting block 13 is driven by the connecting plate 11 and the fixing rod 12 to be separated from the first butt joint 18 and the second butt joint 19, so that the first butt joint 18 and the second butt joint 19 are separated from the first connecting joint 16 and the second connecting joint 17, the quick installation and replacement of the power cable 2 and the connecting cable 3 are realized, the installation efficiency of the device is improved, only single-phase power input can be realized through the power cable 2 and the input end of the frequency converter 1, only three-phase power input can be realized, and only single-phase power input can be realized, so that no matter whether three-phase industrial power is used or single-phase civil power is used, the use range of the screwing device for the power is widened, and the frequency of the frequency converter 1 can be continuously adjustable, the work under the rated frequency point of the motor belongs to constant torque work, namely the rotation speed of the motor can be continuously adjusted, the rotation speed of the motor can be continuously, the rotation speed of the motor can be adjusted according to the whole set of the screw can be adjusted according to the rotation speed of the screw screwing device, and the screw can be installed at any time.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.
Claims (7)
1. A frequency converter, characterized in that: the frequency converter is characterized in that an installation groove (14) is formed in the frequency converter (1), an installation seat (15) is fixedly connected to the inside of the installation groove (14) through a screw, a first connector (16) and a second connector (17) are fixedly connected to the bottom of the installation seat (15), and a first butt joint (18) and a second butt joint (19) are respectively spliced on the outer surfaces of the first connector (16) and the second connector (17);
the inside of the first butt joint (18) is fixedly connected with a power cable (2), the inside of the second butt joint (19) is fixedly connected with a connecting cable (3), and one end, far away from the second butt joint (19), of the connecting cable (3) is used for fixedly connecting a high-fundamental-frequency three-phase asynchronous motor (4);
limiting grooves (20) are formed in the frequency converter (1), the number of the limiting grooves (20) is two, the limiting grooves are symmetrically distributed, the two limiting grooves (20) are movably connected with a first butt joint (18) and a second butt joint (19) respectively, and limiting blocks (13) are attached to the outer surfaces of the first butt joint (18) and the second butt joint (19).
2. A transducer according to claim 1, wherein: the inside of converter (1) has offered circular slot (5), the inside wall sliding connection of circular slot (5) has slider (6).
3. A transducer according to claim 2, wherein: the outer surface fixedly connected with fixed column (7) of slider (6), the inside wall fixedly connected with dog (9) of circular slot (5), and fixed column (7) run through dog (9).
4. A transducer according to claim 3, wherein: the outer surface of the fixed column (7) is movably connected with a spring (8), and the spring (8) is positioned between the sliding block (6) and the stop block (9).
5. A transducer according to claim 4, wherein: one end of the fixed column (7) far away from the sliding block (6) is fixedly connected with a fixed plate (10), and the side surface of the fixed plate (10) is fixedly connected with a connecting plate (11).
6. A transducer according to claim 5, wherein: the side surface of the connecting plate (11) is fixedly connected with a fixing rod (12), and the top of the fixing rod (12) is fixedly connected with the bottom of the limiting block (13).
7. A power device of screwing, which is characterized in that: frequency converter (1) according to any of claims 1-6, which frequency converter (1) is connected to a high-fundamental frequency three-phase asynchronous motor (4) by means of a connection cable (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320740472.5U CN219498358U (en) | 2023-03-31 | 2023-03-31 | Frequency converter and power device of screwing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320740472.5U CN219498358U (en) | 2023-03-31 | 2023-03-31 | Frequency converter and power device of screwing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219498358U true CN219498358U (en) | 2023-08-08 |
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ID=87483936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320740472.5U Active CN219498358U (en) | 2023-03-31 | 2023-03-31 | Frequency converter and power device of screwing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219498358U (en) |
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2023
- 2023-03-31 CN CN202320740472.5U patent/CN219498358U/en active Active
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