CN217945191U - Permanent magnet synchronous motor driven heavy vehicle shunting machine - Google Patents
Permanent magnet synchronous motor driven heavy vehicle shunting machine Download PDFInfo
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- CN217945191U CN217945191U CN202222354797.8U CN202222354797U CN217945191U CN 217945191 U CN217945191 U CN 217945191U CN 202222354797 U CN202222354797 U CN 202222354797U CN 217945191 U CN217945191 U CN 217945191U
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Abstract
The utility model provides a permanent magnet synchronous motor driven heavy-duty shunting machine, which belongs to the technical field of heavy-duty shunting, wherein travelling wheels are positioned at the bottom of a main vehicle; the towing power device is positioned on the main vehicle and provides power for the traveling wheels, and the towing power devices at least comprise two towing power devices; the limiting guide device is positioned on the main vehicle, and the limiting guide device limits and guides the main vehicle in the moving process of the main vehicle so that the main vehicle moves along the rack; the towing power device comprises a permanent magnet synchronous motor and a gear, the power output end of the permanent magnet synchronous motor drives the gear to rotate, the gear is meshed with the rack, and the permanent magnet synchronous motor provides power for the main vehicle to move along the rack; the permanent magnet synchronous motor is used for driving the gear to rotate, the gear and the rack are meshed to drive the main vehicle to move along the rack, and the problem that the main vehicle slips in the moving process is avoided due to the meshing of the gear and the rack.
Description
Technical Field
The utility model belongs to the technical field of the heavy duty car shunting technique and specifically relates to a PMSM driven heavy duty car shunting machine.
Background
The heavy-duty shunting machine is an important component of a railway open wagon tipper system, and is mainly used for dragging a whole train of heavy cars to a specified position, dragging single-section or double-section heavy cars to a position where a tipper is located, and pushing empty wagon which is completely overturned to a transfer platform.
Patent numbers: cn200920248007.X, patent name: a shunting machine for an unloading system of a high-efficiency single-car dumper is accessory equipment of the unloading system of the dumper, and four groups of traveling wheels are fixed on a frame through bolts; the anti-tipping device, the support, the large guide wheel, the small guide wheel, the driving device and the position detection device are fixed on the frame by bolts, and the large guide wheel and the small guide wheel are in contact with and guide the side surface of the guide plate of the track device. This drive arrangement of shunting machine uses single motor to provide power, and easy in the use because the condition that skids or reverses the line appears in the power shortage, in case skidded or reverses the line and cause the incident easily, secondly, utilize big leading wheel and little leading wheel jointly with orbital deflector plate side contact and direction, the structure is comparatively complicated, this patent does not give drive arrangement's drive mode.
Therefore, a heavy-duty shunting machine which can prevent the shunting machine from slipping or running backwards in the using process is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a PMSM driven heavily car shunting machine provides one kind and utilizes PMSM drive gear to rotate, utilizes the cooperation drive owner car of wheel and rack to move along rack length direction's a PMSM driven heavily car shunting machine.
The technical scheme of the utility model is realized like this: a permanent magnet synchronous motor driven heavy vehicle shunting machine comprises a main vehicle, traveling wheels, a dragging power device, a rack and a limiting guide device, wherein the traveling wheels are positioned at the bottom of the main vehicle; the towing power device is positioned on the main vehicle and provides power for the traveling wheels, and the towing power devices at least comprise two towing power devices; the limiting and guiding device is positioned on the main vehicle, and the limiting and guiding device limits and guides the main vehicle in the moving process of the main vehicle so that the main vehicle moves along the rack; the dragging power device comprises a permanent magnet synchronous motor and a gear, wherein the power output end of the permanent magnet synchronous motor drives the gear to rotate, the gear is meshed with a rack, and the permanent magnet synchronous motor provides power for the main vehicle to move along the rack.
On the basis of the technical scheme, preferably, the advancing or retreating direction of the travelling wheel is parallel to the extending direction of the rack.
On the basis of the above technical solution, preferably, the rack includes a transmission gear, the transmission gear is located on one side of the rack, and the transmission gear is arranged along the length direction of the rack.
On the basis of the above technical scheme, preferably, the rack includes the driving gear, the driving gear is located two opposite sides of rack, and the driving gear on two sides of rack sets up along the length direction of rack.
On the basis of the technical scheme, preferably, the limiting and guiding device at least comprises four guide wheels, at least two guide wheels are positioned on one side of the rack, and at least two guide wheels are positioned on the other side of the rack.
On the basis of the technical scheme, preferably, the guide wheel is rotatably arranged on the main vehicle, and the guide wheel and the walking wheel are positioned on the same side of the main vehicle.
On above technical scheme's basis, preferred, the leading wheel includes the guide way, and the guide way sets up around the periphery of leading wheel, and the rack side slides and sets up in the guide way.
On the basis of the above technical solution, preferably, at least one of the gears is engaged with the driving teeth on one side surface of the rack, and at least one of the gears is engaged with the driving teeth on the other side surface of the rack.
On the basis of the technical scheme, the crane further comprises a large arm and a large arm driving device, wherein the large arm driving device is fixedly arranged on the main crane, the large arm is hinged to one side of the main crane, the large arm driving device is connected with the large arm, and the large arm driving device drives the large arm to swing.
On the basis of the technical scheme, preferably, the large arm driving device comprises an air cylinder, a stepping motor and a connecting piece, wherein one end of the air cylinder is hinged to the main vehicle, and the other end of the air cylinder is hinged to the large arm; the connecting piece includes head rod and second connecting piece, head rod and second connecting piece are articulated, and the one end that the second connecting piece was kept away from to the head rod is connected with the step motor output, and the one end that the head rod was kept away from to the second connecting piece is articulated with big arm.
The utility model discloses a PMSM driven heavily car shunting machine has following beneficial effect for prior art:
(1) The permanent magnet synchronous motor is used for driving the gear to rotate, the gear is meshed with the rack to drive the main vehicle to move along the rack, and the problem of slipping of the main vehicle in the moving process is avoided due to the meshing of the gear and the rack;
(2) The towing power devices at least comprise two power devices, and the permanent magnet synchronous motor is used for providing power for the movement of the main vehicle, so that the problem of backward movement caused by insufficient power is avoided;
(3) The permanent magnet synchronous motor drives the main vehicle without a speed reduction structure, can directly output lower rotating speed and larger torque, avoids the fault hidden trouble of the speed reducer, greatly prolongs the service life of the product and reduces the manufacturing cost of the product;
(4) The permanent magnet synchronous motor has the advantages of high power factor, high efficiency, low heat consumption of the rotor, contribution to realizing energy conservation and consumption reduction, short response time of the permanent magnet synchronous motor, suitability for frequent forward and reverse rotation and realization of forward and reverse of the main vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a permanent magnet synchronous motor driven heavy-duty shunting machine of the present invention;
fig. 2 is a front view of the permanent magnet synchronous motor driven heavy-duty shunting device of the present invention;
fig. 3 is a top view of fig. 2 according to the present invention;
fig. 4 is a bottom view of fig. 2 according to the present invention;
fig. 5 is a bottom view of the utility model relates to a PMSM driven heavy duty car shunting machine.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-4, a permanent magnet synchronous motor driven heavy-duty shunting machine comprises a main vehicle 1, traveling wheels 2, a dragging power device 3, a rack 6 and a limiting guide device 7.
The towing power device 3 is positioned on the main vehicle 1 as shown in fig. 1-4, the towing power device 3 provides power for the traveling wheels 2, and the towing power devices 3 at least comprise two power devices; the travelling wheel 2 is positioned at the bottom of the main vehicle 1; the advancing or retreating direction of the walking wheel 2 is parallel to the extending direction of the rack 6, the walking wheel 2 supports the main vehicle 1, the walking wheel 2 is directly contacted with the ground, and the advancing or retreating of the walking wheel 2 is along the rack 6 because the main vehicle 1 needs to advance or retreat along the rack 6.
The shunting machine is used for towing an entire train of heavy vehicles to a specified position, so that the fixed position of the rack 6 is the position where the heavy vehicles need to move, and the main vehicle 1 also needs a power device for providing power.
The dragging power device 3 comprises a permanent magnet synchronous motor 31 and a gear 32, wherein the gear 32 is driven to rotate by the power output end of the permanent magnet synchronous motor 31, the gear 32 is meshed with the rack 6, the permanent magnet synchronous motor 31 provides power for the main vehicle 1 to move along the rack 6, the permanent magnet synchronous motor 31 provides power, a speed reduction structure is not needed, a low rotating speed and a large torque can be directly output, the fault hidden danger of a speed reducer is avoided, the service life of a product is greatly prolonged, and the manufacturing cost of the product is reduced; the permanent magnet synchronous motor has high power factor, high efficiency and low heat consumption of a rotor, is beneficial to realizing energy conservation and consumption reduction, has short response time, is suitable for frequent forward and reverse rotation, and realizes the forward and reverse of the main vehicle; the gear 32 and the rack 6 are matched to drive the main vehicle 1 to move, so that the phenomenon of slipping in the moving process is avoided, and the use is safer and more reliable.
In this embodiment, the number of the permanent magnet synchronous motors 31 is 6, the number of the gears 32 is also 6, and each gear 32 is matched with one permanent magnet synchronous motor 31, because the gears 32 are matched with the racks 6, the more the permanent magnet synchronous motors 31 are, the more the power is, and the better the transmission stability is.
In order to realize the matching of the gear 32 and the rack 6, as a preferred embodiment, the rack 6, as shown in fig. 1-4, includes a transmission tooth 61, the transmission tooth 61 is located on one side of the rack 6, the transmission tooth 61 is arranged along the length direction of the rack 6, and the gear 32 and the rack 6 are common parts, which is convenient for obtaining and low in price.
In order to ensure that the gear 32 and the rack 6 are kept engaged, as a preferred embodiment, the limiting and guiding device 7, as shown in fig. 1 to 4, includes at least four guiding wheels 71, at least two of the guiding wheels 71 are located on one side of the rack 6, at least two of the guiding wheels 71 are located on the other side of the rack 6, and the guiding wheels 71 on both sides of the rack 6 clamp the rack 6, so as to avoid the gear 32 and the rack 6 from being disengaged under the reaction force during the transmission process, so that the transmission process is continued, and the backing or slipping of the main vehicle 1 during the traveling process is avoided; the rack 6 comprises at least two guide wheels 71 on one side, so that the stress is more balanced, and the main vehicle 1 is prevented from swinging under the reaction force of the rack 6 and the gear 32.
In a preferred embodiment, the guide wheel 71 includes a guide groove 711, the guide groove 711 is provided around the outer periphery of the guide wheel 71, the rack 6 is slidably provided in the guide groove 711, and the guide groove 711 guides the rack 6, thereby improving reliability.
As a preferred embodiment, the guide wheel 71 is rotatably arranged on the main vehicle 1, the guide wheel 71 and the travelling wheels 2 are both positioned at the bottom of the main vehicle 1, and the guide wheel 71 and the travelling wheels 2 are both positioned at the bottom of the main vehicle 1, so that the space is saved, and the influence of external objects on the guide wheel 71 and the travelling wheels 2 is avoided.
As shown in fig. 1-4, the device further comprises a large arm 4 and a large arm driving device 5, wherein the large arm driving device 5 is fixedly arranged on the main vehicle 1, the large arm 4 is hinged on one side of the main vehicle 1, the large arm driving device 5 is connected with the large arm 4, and the large arm driving device 5 drives the large arm 4 to swing.
The large arm driving device 5 comprises an air cylinder 51, a stepping motor 52 and a connecting piece 53, wherein one end of the air cylinder 51 is hinged on the main vehicle 1, and the other end of the air cylinder 51 is hinged on the large arm 4; the connecting piece 53 comprises a first connecting rod 531 and a second connecting rod 532, the first connecting rod 531 and the second connecting rod 532 are hinged, one end of the first connecting rod 531, which is far away from the second connecting rod 532, is connected with the output end of the stepping motor 52, and one end of the second connecting rod 532, which is far away from the first connecting rod 531, is hinged with the big arm 4.
A use method of a permanent magnet synchronous motor driven heavy vehicle shunting machine comprises the following steps:
the pitch angle of the large arm is adjusted through the air cylinder 51, the large arm 4 is connected with a heavy vehicle to be transferred at a proper position, the permanent magnet synchronous motor 31 is started, the gear 32 is meshed with the transmission gear 61 on the rack 6, the main vehicle 1 reaches a specified position along the rack 6 in the rotating process of the gear 32, the permanent magnet synchronous motor 31 stops, and the large arm 4 is separated from the heavy vehicle.
Example 2:
in embodiment 1, the transmission gear 61 is located on one side surface of the rack 6, the transmission gear 61 is arranged along the length direction of the rack 6, at this time, the gear 32 is matched with one side surface of the rack 6, external forces applied by the gear 32 all face the same direction, the stress of the guide wheels 71 on both sides of the rack 6 is different, and the whole operation process is unstable.
As shown in fig. 5, the present embodiment differs from embodiment 1 in that: the rack 6 comprises gear teeth 61, said gear teeth 61 being located on opposite sides of the rack 6, the gear teeth 61 on both sides of the rack 6 being arranged along the length of the rack 6.
At least one gear 32 is meshed with the transmission teeth 61 on one side surface of the rack 6, and at least one gear 32 is meshed with the transmission teeth 61 on the other side surface of the rack 6.
At the moment, two side surfaces of the rack 6, which are provided with the transmission teeth 61, are respectively meshed with at least one gear 32, reaction forces generated in the meshing process of the gears 32 on two sides of the rack 6 and the transmission teeth 61 are mutually counteracted or are mutually counteracted partially, the bearing force difference of the guide wheels 71 on two sides of the rack 6 is reduced, the service life of the guide wheels 71 is prolonged, and the moving process of the main vehicle 1 is more stable.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heavy-duty shunting machine driven by a permanent magnet synchronous motor comprises a main vehicle (1), traveling wheels (2), a dragging power device (3), a rack (6) and a limiting guide device (7), wherein,
the travelling wheels (2) are positioned at the bottom of the main vehicle (1);
the dragging power devices (3) are positioned on the main vehicle (1), the dragging power devices (3) provide power for the walking wheels (2), and the dragging power devices (3) at least comprise two dragging power devices;
the method is characterized in that: the limiting guide device (7) is positioned on the main vehicle (1), and the limiting guide device (7) limits and guides the main vehicle (1) in the moving process of the main vehicle (1) so that the main vehicle (1) moves along the rack (6);
the dragging power device (3) comprises a permanent magnet synchronous motor (31) and a gear (32), the power output end of the permanent magnet synchronous motor (31) drives the gear (32) to rotate, the gear (32) is meshed with a rack (6), and the permanent magnet synchronous motor (31) provides power for the main vehicle (1) to move along the rack (6).
2. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 1, characterized in that: the advancing or retreating direction of the travelling wheels (2) is parallel to the extending direction of the rack (6).
3. The permanent magnet synchronous motor driven heavy-duty shunting machine of claim 2, characterized in that: the rack (6) comprises a transmission gear (61), the transmission gear (61) is located on one side face of the rack (6), and the transmission gear (61) is arranged along the length direction of the rack (6).
4. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 2, characterized in that: the rack (6) comprises transmission teeth (61), the transmission teeth (61) are located on two opposite side faces of the rack (6), and the transmission teeth (61) on the two side faces of the rack (6) are arranged along the length direction of the rack (6).
5. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 3 or 4, characterized in that: the limiting and guiding device (7) at least comprises four guiding wheels (71), at least two guiding wheels (71) are located on one side of the rack (6), and at least two guiding wheels (71) are located on the other side of the rack (6).
6. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 5, characterized in that: the guide wheel (71) is rotatably arranged on the main vehicle (1), and the guide wheel (71) and the walking wheels (2) are positioned on the same side of the main vehicle (1).
7. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 6, characterized in that: the guide wheel (71) comprises a guide groove (711), the guide groove (711) is arranged around the periphery of the guide wheel (71), and the side face of the rack (6) is arranged in the guide groove (711) in a sliding mode.
8. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 4, characterized in that: at least one gear (32) is meshed with the transmission teeth (61) on one side surface of the rack (6), and at least one gear (32) is meshed with the transmission teeth (61) on the other side surface of the rack (6).
9. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 1, characterized in that: the large arm driving device (5) is fixedly arranged on the main car (1), the large arm (4) is hinged to one side of the main car (1), the large arm driving device (5) is connected with the large arm (4), and the large arm driving device (5) drives the large arm (4) to swing.
10. The permanent magnet synchronous motor driven heavy vehicle shunting machine of claim 9, wherein: the large arm driving device (5) comprises an air cylinder (51), a stepping motor (52) and a connecting piece (53), one end of the air cylinder (51) is hinged to the main vehicle (1), and the other end of the air cylinder (51) is hinged to the large arm (4); the connecting piece (53) comprises a first connecting rod (531) and a second connecting piece (532), the first connecting rod (531) is hinged to the second connecting piece (532), one end, away from the second connecting piece (532), of the first connecting rod (531) is connected with the output end of the stepping motor (52), and one end, away from the first connecting rod (531), of the second connecting piece (532) is hinged to the large arm (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222354797.8U CN217945191U (en) | 2022-09-05 | 2022-09-05 | Permanent magnet synchronous motor driven heavy vehicle shunting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222354797.8U CN217945191U (en) | 2022-09-05 | 2022-09-05 | Permanent magnet synchronous motor driven heavy vehicle shunting machine |
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| CN217945191U true CN217945191U (en) | 2022-12-02 |
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|---|---|---|---|
| CN202222354797.8U Active CN217945191U (en) | 2022-09-05 | 2022-09-05 | Permanent magnet synchronous motor driven heavy vehicle shunting machine |
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| CN (1) | CN217945191U (en) |
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- 2022-09-05 CN CN202222354797.8U patent/CN217945191U/en active Active
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