CN221739601U - Tension control device for stay wire of permanent magnet motor driven electric winding drum - Google Patents
Tension control device for stay wire of permanent magnet motor driven electric winding drum Download PDFInfo
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- CN221739601U CN221739601U CN202420158258.3U CN202420158258U CN221739601U CN 221739601 U CN221739601 U CN 221739601U CN 202420158258 U CN202420158258 U CN 202420158258U CN 221739601 U CN221739601 U CN 221739601U
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- 238000004804 winding Methods 0.000 title claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 34
- 239000003638 chemical reducing agent Substances 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 10
- 230000009467 reduction Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a tension control device for a permanent magnet motor driven electric reel stay wire, wherein a reel rotating support (3) is fixedly arranged at the top of a reel support table (6), a first junction box (5) is arranged at the side edge of the reel support table (6), a cable reel (2) is arranged at the upper part of the reel rotating support (3) through a rotating shaft and a collecting ring, a wire feeding frame (4) and a wire guide (7) are fixedly arranged at the front and rear parts of the cable reel (2) through the reel rotating support (3), a wire collecting plate (1) is welded and connected at the top of the reel rotating support (3), a second junction box (9) is arranged at the side edge of the reel rotating support (3) through a support, and a limit alarm device (8) and an electric tension device (10) are respectively connected at the two ends of the rotating shaft of the cable reel (2).
Description
Technical Field
The utility model relates to power supply equipment of an electrified loader, in particular to a tension control device for a pull wire of an electric winding drum driven by a permanent magnet motor.
Background
In order to reduce the use cost of engineering machinery, many engineering machinery now starts to use an electric scheme, and the electric engineering machinery mainly comprises a battery pack and a power supply frame, wherein the battery pack has a large working range and small use limit, but is limited by the capacity of the battery pack and the battery attenuation in winter, so that the scheme of battery pack power supply cannot work for a long time, the existing power supply frame mainly comprises a tower power supply frame as a basis, a counterweight in the tower power supply frame provides tension for a steel wire rope, and then a cable is hung on the steel wire rope through a cable to supply power for the engineering machinery, but the working range of the engineering machinery is severely limited by the mode, and if the working range is to be enlarged, a higher tower power supply frame needs to be built, so that the construction cost and the maintenance cost are higher.
At present, the utility model with the patent number of CN101126244B discloses a fuel oil and electric dual-purpose bulldozer, which comprises a chassis, a power system, a gearbox, a traveling system, a hydraulic pump station, a hydraulic system, an operating system, a control circuit, a cable drum, a drum oil motor and a transmission oil motor, wherein the power system drives the gearbox and the hydraulic pump station, an output shaft of the gearbox drives the traveling system, the hydraulic pump station provides pressure oil for the hydraulic system, the hydraulic system drives the operating system, and the power system comprises a fuel engine and an alternating current motor; the hydraulic pump station comprises a hydraulic pump station driven by a fuel engine and an electric hydraulic pump station driven by an alternating current motor, and the two hydraulic pump stations are connected with the hydraulic system through two-position three-way valves; the electro-hydraulic pump station provides pressure oil for the drum oil motor and the transmission oil motor; the fuel engine drives an input shaft of the gearbox; the transmission oil motor drives an intermediate shaft of the gearbox through a clutch device; the cable drum is used for accommodating cables, and the drum oil motor drives the cable drum to retract and release the cables; the control circuit controls the bulldozer to operate in the driving state of the alternating current motor. The utility model can effectively save fuel oil, reduce the pollution of fuel oil tail gas to the environment and greatly reduce the operation cost. However, the whole structure of the patent is complex, and in order to ensure that the power supply cable can be wound on the winding drum in time, a driver is required to frequently operate the winding drum oil motor to drive the cable winding drum to wind and unwind the cable, so that the use is not convenient.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the tension control device for the stay wire of the electric winding drum driven by the permanent magnet motor, which can automatically retract and release the power supply cable and maintain the tension of the power supply cable, and can effectively enlarge the working range of engineering machinery.
In order to achieve the above purpose, the permanent magnet motor driven electric reel stay wire tension control device comprises a wire collecting plate, a cable reel, a reel rotating support, a wire feeding frame, a first junction box, a reel support table, a wire guide, a limit alarm device, a magnetic disc, a switch disc, a speed reducer, a second junction box, an electric tension device, a braking resistor, a permanent magnet synchronous tension motor controller, a permanent magnet synchronous tension motor, a speed reducer and a current collecting wire manager, wherein the reel rotating support is fixedly arranged on the top of the reel support table, the first junction box is arranged on the side edge of the reel support table, the cable reel is arranged on the upper portion of the reel rotating support through a rotating shaft and a collecting ring, the front and rear ends of the cable reel are respectively fixedly arranged on the wire feeding frame and the wire guide through the reel rotating support, the top of the reel rotating support is connected with the wire collecting plate through the second junction box, two ends of the rotating shaft of the cable reel are respectively connected with the limit alarm device and the electric tension device, the braking resistor, the permanent magnet synchronous tension motor controller, the permanent magnet synchronous tension motor and the speed reducer are fixedly arranged on the outer side of a frame, the braking resistor is electrically connected with the permanent magnet synchronous tension motor controller on the inner side of the frame, the permanent magnet synchronous tension motor controller is electrically connected with the permanent magnet synchronous tension motor, the permanent magnet synchronous tension motor controller is connected with the inner side of the frame, and the permanent magnet synchronous tension motor is connected with one end of the transmission end of the electric tension motor through the rotating shaft and the rotating shaft is electrically connected with the rotating end of the speed reducer.
As a further improvement scheme of the utility model, the limit alarm device comprises a magnetic disc, a switch disc and a speed reducer, wherein the magnetic disc is connected with one end of a rotating shaft of the cable drum through the speed reducer in a transmission way, the switch disc is fixedly arranged on a drum rotating support, and a shaft part of the magnetic disc connected with the speed reducer is overlapped with the circle center of the switch disc.
As a further improvement of the utility model, the magnetic disk is provided with a magnetic induction switch, and the switch disk is provided with a plurality of magnets.
As a further improvement scheme of the utility model, the upper part of the line concentration plate is fixedly provided with a line concentration line arranging device.
As a further development of the utility model, the wire guide is provided with four wire guide rollers.
By means of the scheme, the utility model has at least the following advantages: compared with a conventional power supply tower, the cable drum capable of automatically winding and unwinding the power supply cable and the drum slewing bracket matched with the cable drum to change the direction are arranged on the engineering machinery or at the top end of the power supply tower, the power supply cable is kept in tension by the electric tension device, and finally the cable is prevented from being broken by the limit alarm device, so that the purposes of automatically winding and unwinding the power supply cable, keeping the tension of the power supply cable and effectively expanding the working range of the engineering machinery are achieved.
Drawings
FIG. 1 is a schematic perspective view of a permanent magnet motor driven motorized reel pull wire tension control device;
FIG. 2 is a front view of a permanent magnet motor driven motorized reel pull wire tension control device;
FIG. 3 is an enlarged view of a portion of FIG. 1A;
FIG. 4 is a perspective view of the motor operated spool pull wire tension control device with the housing removed;
In the figure: 1. the wire collecting plate, 2, a cable drum, 3, a drum rotating support, 4, a wire feeding frame, 5, a first junction box, 6, a drum supporting table, 7, a wire guide, 8, a limit alarm device, 8-1, a magnetic disc, 8-2, a switch disc, 8-3, a speed reducer, 9, a second junction box, 10, an electric tension device, 10-1, a braking resistor, 10-2, a permanent magnet synchronous tension motor controller, 10-3, a permanent magnet synchronous tension motor, 10-4, a speed reducer, 11 and a current collecting wire arranging device.
Detailed Description
The permanent magnet motor-driven electric reel stay wire tension control device according to the embodiment of the utility model is described below with reference to the accompanying drawings.
In a first embodiment of the present application, as shown in fig. 1, 2 to 4, the present permanent magnet motor-driven electric spool wire tension control device (hereinafter referred to as "the present patent") includes a wire feeding frame 4, a first junction box 5, a spool support table 6, a wire guide 7, a second junction box 9, and a current collecting wire guide 11, a spool rotating bracket 3 is fixedly installed on top of the spool support table 6, the rotating bracket is mainly used for changing the direction of the cable spool 2, so that the cable spool 2 can ensure that the power supply cable between the engineering machine and the power supply tower can always maintain tension in any direction of the engineering machine, and is convenient to be wound and unwound, the first junction box 5 is installed on the side of the spool support table 6, the cable spool 2 is installed on the upper portion of the spool rotating bracket 3 through a rotating shaft and a collecting ring, the front and back of the cable reel 2 are respectively and fixedly provided with a wire feeding frame 4 and a wire guide 7 through a reel rotating bracket 3, the top of the reel rotating bracket 3 is welded and connected with a wire collecting plate 1, the side edge of the reel rotating bracket 3 is provided with a junction box II 9 through a bracket, the two ends of a rotating shaft of the cable reel 2 are respectively connected with a limit alarm device 8 and an electric tension device 10, the electric tension device 10 also comprises a brake resistor 10-1, a permanent magnet synchronous tension motor controller 10-2, a permanent magnet synchronous tension motor 10-3 and a speed reducer 10-4, the outside of a frame of the electric tension device 10 is fixedly provided with the brake resistor 10-1, the brake resistor 10-1 is electrically connected with the permanent magnet synchronous tension motor controller 10-2 at the inner side of the frame of the electric tension device 10, the permanent magnet synchronous tension motor controller 10-2 is electrically connected with the permanent magnet synchronous tension motor 10-3, the output end of the permanent magnet synchronous tensioning motor 10-3 is in transmission connection with the speed reducer 10-4, the speed reducer 10-4 is in transmission connection with one end of the rotating shaft of the cable drum 2, and when the cable drum 2 keeps tension, if the power supply cable is not required to droop, a pulling force is definitely needed to be given to the power supply cable. This tension is provided by the permanent magnet synchronous tensioner motor 10-3. The permanent magnet synchronous tensioning motor 10-3 is controlled by the permanent magnet synchronous tensioning motor controller 10-2, so that the permanent magnet synchronous tensioning motor 10-3 can output constant torque, at the moment, the permanent magnet synchronous tensioning motor 10-3 can forward and backward rotate along with the forward or backward movement of the vehicle, but no matter whether the permanent magnet synchronous tensioning motor 10-3 rotates forward or backward, a fixed torque is always output, and thus the torque is amplified through the speed reducer 10-4 again, the required torque is achieved, and the power supply cable cannot sag. The torque of the speed reducer 10-4 can be adjusted through the permanent magnet synchronous tensioning motor controller 10-2, and even the length of a stay wire can be known through a displacement sensor on the cable drum 2, so that the torque can be adjusted at any time, and the torque at a small position and a large position of near torque can be realized. When the permanent magnet synchronous tensioning motor 10-3 rotates at a high speed, if the speed of the permanent magnet synchronous tensioning motor is required to be rapidly reduced, the permanent magnet synchronous tensioning motor 10-3 is equivalent to a generator, and can generate redundant electric quantity, and the redundant electric quantity generated by the permanent magnet synchronous tensioning motor 10-3 can only be consumed through the brake resistor 10-1.
The external cable is firstly connected to the first cable box 5, then the cable extending from the first cable box 5 passes through the wire feeding frame 4 and then reaches the wire collecting plate 1, the wire collecting and arranging device 11 on the wire collecting plate 1 is respectively connected to the second cable box 9 and the electric tension device 10 through the cable grooves preset on the reel slewing bracket 3, the wires of the second cable box 9 are respectively connected with the collecting ring and the limit alarm device 8, and the collecting ring is electrically connected to the power supply cable on the cable reel 2.
The utility model number CN101126244B is called the patent for short, the whole structure of the patent is complex, in order to ensure that a power supply cable can be wound on a winding drum in time, a driver is required to operate the winding drum oil motor to drive a cable winding drum to wind and unwind the cable, the use is not very convenient, the patent uses the power supply cable to wind on a cable winding drum 2 and controls the cable winding drum 2 to stretch and retract through an electric tension device 10, the problem of insufficient working range of engineering machinery caused by insufficient height of a traditional power supply tower can be effectively improved, the tension of a power supply line can be maintained without operation, and the working strength of the driver is effectively reduced.
The other structures of the second embodiment are the same on the basis of the first embodiment, and the only difference is that, as shown in fig. 3, the magnetic disc 8-1 is connected with one end of the rotating shaft of the cable drum 2 through the transmission of the speed reducer 8-3, the switch disc 8-2 is fixedly installed on the drum rotating support 3, the shaft part of the magnetic disc 8-1 connected with the speed reducer 8-3 is overlapped with the circle center of the switch disc 8-2, the magnetic induction switch is installed on the magnetic disc 8-1, and the switch disc 8-2 is provided with a plurality of magnets. When the cable drum 2 rotates, the rotating shaft of the cable drum 2 drives the speed reducer 8-3, after the rotation of the cable drum 2 is reduced by the speed reducer 8-3, the magnetic disc 8-1 can rotate for a certain angle only after the cable drum 2 rotates for one circle, a magnetic switch on the magnetic disc 8-1 prompts a driver of the residual allowance of a power supply cable on the cable drum 2 after passing through a corresponding magnet on the switch disc 8-2, and the limit alarm device 8 can control the automatic stop of the patent after the magnetic disc 8-1 senses the last magnet on the switch disc 8-2.
In order to further optimize the working efficiency of the present application, the upper portion of the panel 1 is fixedly provided with the current collecting and wire arranging device 11 in order to make the cable arrangement more regular. In order that the supply cable on the cable drum 2 is not scratched, the wire guide 7 is provided with four wire guide rollers.
When the tension control device is used, the permanent magnet motor is used for driving the tension control device of the electric reel, and the tension control device is connected with corresponding line equipment to be put into operation.
When the utility model is used, the concrete work is as follows:
During the use, install this patent at power tower top or engineering machine tool top, also can all install this patent at power tower top and engineering machine tool top and further promote working range, when engineering machine tool moves, engineering machine tool outwards starts, the power supply cable of cable drum 2 extension department on drum slewing bearing 3 can remain all the time towards engineering machine tool or power tower because of tension and wire guide 7, when engineering machine tool keeps away from, electric tension device 10 unblock, cable drum 2 emits power supply cable, cable drum 2 drives reduction gear 8-3 in the pivot of cable drum 2 when paying out power supply cable, the rotation of cable drum 2 is through the reduction gear 8-3 after the speed reduction, make magnetic disc 8-1 can rotate certain angle at cable drum 2 after oneself, magnetic switch on magnetic disc 8-1 is after corresponding magnet on switch disc 8-2, can point out the surplus of power supply cable on the cable drum 2, after magnetic disc 8-1 senses last magnet on switch disc 8-2, spacing alarm 8 can control this patent automatic shutdown, when engineering machine tool returns, electric tension device 10 reduces the power supply cable 10-2 and then drives the power supply cable 10-2 through the speed reduction gear, and then the power supply cable 10-2 is rotated, and power supply cable is guaranteed to be rotated by the power supply cable 2-2.
In summary, according to the permanent magnet motor driven electric reel stay wire tension control device provided by the embodiment of the utility model, the cable reel 2 capable of automatically winding and unwinding the power supply cable and the reel rotating bracket 3 matched with the cable reel 2 to change the direction are arranged on the engineering machinery or at the top end of the power supply tower, the power supply cable is kept in tension by the electric tension device, and finally the cable is prevented from being broken by the limit alarm device 8, so that the purposes of automatically winding and unwinding the power supply cable, keeping the tension of the power supply cable and effectively expanding the working range of the engineering machinery are achieved.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (5)
1. The permanent magnet motor driven electric reel stay wire tension control device comprises a wire collecting plate (1), a cable reel (2) and a current collecting wire arranging device (11), and is characterized in that a reel rotary support (3) is fixedly arranged at the top of a reel support table (6), a first junction box (5) is arranged at the side edge of the reel support table (6), the cable reel (2) is arranged on the upper part of the reel rotary support (3) through a rotating shaft and a collecting ring, a wire feeding frame (4) and a wire guider (7) are fixedly arranged on the front side and the rear side of the cable reel (2) respectively through the reel rotary support (3), the top of the reel rotary support (3) is welded and connected with the wire collecting plate (1), a limit alarming device (8) and an electric tension device (10) are respectively connected at two ends of the rotating shaft of the reel rotary support (3) through a support mounting junction box, the electric tension device (10) further comprises a brake resistor (10-1), a permanent magnet synchronous tension motor controller (10-2), a permanent magnet synchronous tension motor (10-3) and a speed reducer (10-4), a brake resistor (10-1) is fixedly arranged on the outer side of the frame of the electric tension device (10) and is electrically connected with the permanent magnet synchronous tension device (10-1) through the electric tension device (10-2), the permanent magnet synchronous tensioning motor controller (10-2) is electrically connected with the permanent magnet synchronous tensioning motor (10-3), the output end of the permanent magnet synchronous tensioning motor (10-3) is in transmission connection with the speed reducer (10-4), and the speed reducer (10-4) is in transmission connection with one end of a rotating shaft of the cable drum (2).
2. The tension control device for the pull wire of the permanent magnet motor driven electric winding drum according to claim 1, wherein the limit alarming device (8) comprises a magnetic disc (8-1), a switch disc (8-2) and a speed reducer (8-3), the magnetic disc (8-1) is connected with one end of a rotating shaft of the cable winding drum (2) through the speed reducer (8-3) in a transmission mode, the switch disc (8-2) is fixedly arranged on the winding drum rotating support (3), and a shaft portion of the magnetic disc (8-1) connected with the speed reducer (8-3) is overlapped with the circle center of the switch disc (8-2).
3. The tension control device for the pull wire of the permanent magnet motor driven electric winding drum according to claim 2, wherein the magnetic disc (8-1) is provided with a magnetic induction switch, and the switch disc (8-2) is provided with a plurality of magnets.
4. The tension control device for the stay wire of the permanent magnet motor driven electric winding drum according to claim 1, wherein the upper part of the wire collecting plate (1) is fixedly provided with a wire collecting and arranging device (11).
5. The permanent magnet motor driven motorized pulley pull wire tension control device according to claim 1 or 4, wherein the wire guide (7) is provided with four wire guide rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420158258.3U CN221739601U (en) | 2024-01-23 | 2024-01-23 | Tension control device for stay wire of permanent magnet motor driven electric winding drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420158258.3U CN221739601U (en) | 2024-01-23 | 2024-01-23 | Tension control device for stay wire of permanent magnet motor driven electric winding drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221739601U true CN221739601U (en) | 2024-09-20 |
Family
ID=92739035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420158258.3U Active CN221739601U (en) | 2024-01-23 | 2024-01-23 | Tension control device for stay wire of permanent magnet motor driven electric winding drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221739601U (en) |
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2024
- 2024-01-23 CN CN202420158258.3U patent/CN221739601U/en active Active
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