A power supply system for a factory flatbed truck

Abstract

The present invention relates to the field of flatbed truck technology, specifically to a factory flatbed truck power supply system, including an electric flatbed truck, a power supply track and a power system, wherein the electric flatbed truck includes a chassis, two identical power-collecting wheels are symmetrically fixedly installed at both ends of one side of the bottom of the chassis, and an inner shell is fixedly installed on the top of the chassis on one side of the power-collecting wheel. The present invention merges a single-phase power supply track in the flatbed truck track power system into the running track, while canceling the power-collecting pole of the flatbed truck, and sets an AC-DC-AC frequency conversion system rectifier at the outlet end of the original step-down transformer, rectifies the current after the step-down transformer is stepped down into direct current, transmits it to the power supply track, and then boosts the voltage to 380V through the booster transformer on the flatbed truck, which can effectively avoid the problem of damage to the power-collecting pole due to gravity overload or gravity imbalance of the flatbed truck, or the power-collecting pole deviating from the track, thereby affecting the normal use of the flatbed truck.

Description

Technical Field

[0001] The invention relates to the technical field of flatbed trucks, and in particular to a power supply system for a factory flatbed truck. Background Art

[0002] A flatbed car is an electric rail-mounted in-plant transport vehicle. It is also called an electric flat car, a trolley, or a cross-car. It has the advantages of simple structure, convenient use, easy maintenance, large carrying capacity, and less pollution.

[0003] The voltage reduction of the flatbed power supply system commonly used in factories is composed of a transformer, a track, a power pole and a step-up transformer. During the load operation, due to the downward pressure of the heavy objects or the unbalanced arrangement of the heavy objects, the telescopic sleeve of the power pole is stuck or the power pole deviates from the track, causing damage to the power pole, affecting the normal use of the flatbed truck. Summary of the invention

[0004] The purpose of the present invention is to provide a factory flatbed truck power supply system to solve the problems raised in the above background technology. To achieve the above purpose, the present invention provides the following technical solutions: a factory flatbed truck power supply system, including an electric flatbed truck, a power supply track and a power system, the electric flatbed truck includes a chassis, two identical power-taking wheels are symmetrically fixedly installed at both ends of one side of the bottom of the chassis, an inner shell is fixedly installed on the top of the chassis on one side of the principle power-taking wheel, and a driving mechanism is fixedly installed on the chassis;

[0005] The driving mechanism comprises two connecting members symmetrically arranged on the side wall of the chassis away from the power-taking wheel, a wheel axle is rotatably installed between the two connecting members, both ends of the wheel axle are fixedly installed with power wheels, a driven gear is fixedly installed on the wheel axle, a driving gear is meshed with the driven gear, the driving gear is fixedly installed on the rotating shaft, the rotating shaft is rotatably installed on the inner wall of the inner shell, a driven bevel gear is fixedly installed on the rotating shaft, the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is fixedly installed on the power output end of the driving motor, and the driving motor is fixedly installed on the top of the chassis;

[0006] The power-collecting wheel comprises a wheel frame, the wheel frame is fixedly mounted on the bottom of the chassis, a rotating shaft is fixedly mounted on the power-collecting wheel, a rubber wheel is rotatably mounted on the rotating shaft, and a conductor is fixedly mounted on the inner side of the bottom of the wheel frame;

[0007] The power supply track includes a double-track track and a power supply metal column. The double-track track is an I-shaped structure. The top of the double-track track is rollingly connected with the rubber wheel. The side wall of the double-track track is fixedly installed with an exposed power supply metal column.

[0008] The power system comprises a control circuit, a step-down transformer and an AC-DC-AC frequency conversion system rectifier device, and the step-down transformer is electrically connected to the AC-DC-AC frequency conversion system rectifier device through the control circuit.

[0009] Preferably, the chassis is a hollow cubic structure, a control module is fixedly installed inside the chassis, and the control module is electrically connected to the drive motor.

[0010] Preferably, an outer shell is fixedly mounted on the top of the chassis, and the inner shell is arranged inside the outer shell.

[0011] Preferably, a booster transformer is disposed inside the housing, and the booster transformer is electrically connected to the conductor and the control module.

[0012] Preferably, the power supply track is a double-track structure, the number of the double-track tracks is two, and the two power supply tracks are arranged in parallel.

[0013] Preferably, the AC-DC-AC frequency conversion system rectifier device includes a rectifier, a filter system and an inverter, and the rectifier is one of a diode three-phase bridge uncontrolled rectifier or a fully controlled rectifier composed of high-power transistors.

[0014] Preferably, the power system is electrically connected to a power supply metal pole.

[0015] Preferably, the power wheel is rollingly connected to the double-track track.

[0016] Preferably, the power supply metal column and the conductor overlap each other, the power supply metal column is a cylindrical structure, the position where the power supply metal column and the conductor overlap each other matches, and the power supply metal column is electrically connected to the power system.

[0017] Preferably, the driving mechanism is arranged inside the inner shell.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention merges a single-phase power supply track in the flatbed car track power system into the running track, cancels the power supply post of the flatbed car, and sets an AC-DC-AC frequency conversion system rectifier at the outlet end of the original step-down transformer. The current stepped down by the step-down transformer is rectified into direct current, which is transmitted to the power supply track, and the voltage is boosted to 380V by the booster transformer on the flatbed car. This can effectively avoid the problem that the telescopic sleeve of the power supply post is stuck or the power supply post deviates from the track due to gravity overload or gravity imbalance of the flatbed car, thereby affecting the normal use of the flatbed car.

[0020] The present invention removes electricity by using power-collecting wheels, thereby eliminating the original power-collecting pole, simplifying the structure of the original flatbed vehicle, and reducing the failure rate and subsequent maintenance cost of the flatbed vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a rear view of the electric flatbed vehicle of the present invention when it is connected to the power supply track;

[0023] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged local structure at center A;

[0024] Figure 4 It is a schematic diagram of the internal structure of the housing of the electric flatbed vehicle of the present invention;

[0025] Figure 5 It is a schematic diagram of the internal structure of the inner shell of the electric flatbed vehicle of the present invention;

[0026] Figure 6 For the present invention Figure 5 A magnified schematic diagram of the local structure at B in the middle;

[0027] Figure 7 It is a schematic diagram of the internal structure of the chassis of the present invention.

[0028] In the figure: 1. Electric flatbed car; 101. Chassis; 101a. Shell; 102. Control module; 103. Power-collecting wheel; 103a. Wheel frame; 103b. Rotating shaft; 103c. Rubber wheel; 103d. Conductor; 104. Booster transformer; 105. Inner shell; 106. Connector; 107. Wheel axle; 108. Power wheel; 109. Driven gear; 110. Driving gear; 111. Rotating shaft; 112. Driven bevel gear; 113. Driving bevel gear; 114. Driving motor; 2. Power supply track; 201. Double-track track; 202. Power supply metal column; 3. Power system. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical staff in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 7The present invention provides a technical solution: a factory flatbed car power supply system, comprising an electric flatbed car 1, a power supply track 2 and a power system 3, the electric flatbed car 1 comprises a chassis 101, two identical power-taking wheels 103 are symmetrically fixedly installed at both ends of one side of the bottom of the chassis 101, an inner shell 105 is fixedly installed on the top of the chassis 101 on one side of the power-taking wheel 103, and a driving mechanism is fixedly installed on the chassis 101;

[0031] The driving mechanism includes two connecting members 106 symmetrically arranged on the side wall of the chassis 101 away from the power-collecting wheel 103, a wheel axle 107 is rotatably installed between the two connecting members 106, and a power wheel 108 is fixedly installed at both ends of the wheel axle 107, a driven gear 109 is fixedly installed on the wheel axle 107, and a driving gear 110 is meshed and installed on the driven gear 109, and the driving gear 110 is fixedly installed on the rotating shaft 111, and the rotating shaft 111 is rotatably installed on the inner wall of the inner shell 105, and a driven bevel gear 112 is fixedly installed on the rotating shaft 111, and the driven bevel gear 112 is meshed and connected to the driving bevel gear 113, and the driving bevel gear 113 is fixedly installed on the power output end of the driving motor 114, and the driving motor 114 is fixedly installed on the top of the chassis 101;

[0032] The power-collecting wheel 103 includes a wheel frame 103a, which is fixedly mounted on the bottom of the chassis 101. A rotating shaft 103b is fixedly mounted on the power-collecting wheel 103, a rubber wheel 103c is rotatably mounted on the rotating shaft 103b, and a conductor 103d is fixedly mounted on the inner side of the bottom of the wheel frame 103a.

[0033] The power supply track 2 includes a double track 201 and a power supply metal column 202. The double track 201 is an I-shaped structure. The top of the double track 201 is rollingly connected to the rubber wheel 103c. The side wall of the double track 201 is fixedly installed with an exposed power supply metal column 202.

[0034] The power system 3 includes a control circuit, a step-down transformer and an AC-DC-AC frequency conversion system rectifier device. The step-down transformer is electrically connected to the AC-DC-AC frequency conversion system rectifier device through the control circuit.

[0035] In this embodiment, the chassis 101 is a hollow cubic structure. A control module 102 is fixedly installed inside the chassis 101 . The control module 102 is electrically connected to the drive motor 114 .

[0036] In this embodiment, an outer shell 101 a is fixedly mounted on the top of the chassis 101 , and the inner shell 105 is disposed inside the outer shell 101 a .

[0037] In this embodiment, a boost transformer 104 is disposed inside the housing 101 a , and the boost transformer 104 is electrically connected to the conductor 103 d and the control module 102 .

[0038] In this embodiment, the power supply track 2 is a double-track structure, the number of the double-track tracks 201 is two, and the two power supply tracks 2 are arranged in parallel.

[0039] In this embodiment, the AC-DC-AC frequency conversion system rectifier includes a rectifier, a filter system and an inverter. The rectifier is a diode three-phase bridge uncontrolled rectifier or a fully controlled rectifier composed of high-power transistors.

[0040] In this embodiment, the power system 3 is electrically connected to the power supply metal column 202 .

[0041] In this embodiment, the power wheel 108 is rollingly connected to the double-track track 201 .

[0042] In this embodiment, the power supply metal column 202 overlaps with the conductor 103d. The power supply metal column 202 is a cylindrical structure. The position where the power supply metal column 202 overlaps with the conductor 103d matches. The power supply metal column 202 is electrically connected to the power system 3.

[0043] In this embodiment, the driving mechanism is disposed inside the inner shell 105 .

[0044] The use method and advantages of the present invention: When the factory flatbed vehicle power supply system is used, the working process is as follows:

[0045] like Figures 1 to 7 As shown, when in use, the power system 3 converts 380V industrial electricity into 36V through its internal control circuit, step-down transformer and AC / DC frequency conversion system rectifier device, and transmits the current to the power supply metal column 202, the power supply metal column 202 transmits the current to the conductor 103d, the conductor 103d transmits the current to the booster transformer 104, the booster transformer 104 boosts 36V to 380V industrial electricity, and supplies it to the drive motor 114 for use, and the rotation of the power wheel 108 is controlled by the drive motor 114, thereby driving the electric flatbed vehicle 1 forward and backward. In this power supply system, there is no need for a separate power supply track, and the original power supply column of the electric flatbed vehicle is also cancelled, which simplifies the structure of the flatbed vehicle and facilitates later maintenance.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A factory flatbed truck power supply system, comprising an electric flatbed truck (1), a power supply track (2) and a power system (3), characterized in that: The electric flatbed vehicle (1) comprises a chassis (101), two identical power-collecting wheels (103) are symmetrically fixedly mounted at both ends of one side of the bottom of the chassis (101), an inner shell (105) is fixedly mounted on the top of the chassis (101) on one side of the power-collecting wheels (103), and a driving mechanism is fixedly mounted on the chassis (101); The driving mechanism comprises two connecting members (106) symmetrically arranged on the side wall of the chassis (101) away from the power-collecting wheel (103); a wheel axle (107) is rotatably installed between the two connecting members (106); power wheels (108) are fixedly installed at both ends of the wheel axle (107); a driven gear (109) is fixedly installed on the wheel axle (107); the driven gear (109) is meshed with a driving gear (110); the driving gear (110) 110) is fixedly mounted on a rotating shaft (111), the rotating shaft (111) is rotatably mounted on the inner wall of the inner shell (105), a driven bevel gear (112) is fixedly mounted on the rotating shaft (111), the driven bevel gear (112) is meshedly connected to a driving bevel gear (113), the driving bevel gear (113) is fixedly mounted on the power output end of a driving motor (114), and the driving motor (114) is fixedly mounted on the top of the chassis (101); The power-collecting wheel (103) comprises a wheel frame (103a), wherein the wheel frame (103a) is fixedly mounted on the bottom of the chassis (101), a rotating shaft (103b) is fixedly mounted on the power-collecting wheel (103), a rubber wheel (103c) is rotatably mounted on the rotating shaft (103b), and a conductor (103d) is fixedly mounted on the inner side of the bottom of the wheel frame (103a); The power supply track (2) comprises a double-track track (201) and a power supply metal column (202); the double-track track (201) is an I-shaped structure; the top end of the double-track track (201) is rollingly connected to the rubber wheel (103c); and the side wall of the double-track track (201) is fixedly mounted with an exposed power supply metal column (202); The power system (3) comprises a control circuit, a step-down transformer and an AC-DC-AC frequency conversion system rectifier device, and the step-down transformer is electrically connected to the AC-DC-AC frequency conversion system rectifier device via the control circuit.

2. A factory flatbed truck power supply system according to claim 1, characterized in that: The chassis (101) is a hollow cubic structure, and a control module (102) is fixedly installed inside the chassis (101), and the control module (102) is electrically connected to a drive motor (114).

3. A factory flatbed truck power supply system according to claim 1, characterized in that: An outer shell (101a) is fixedly mounted on the top of the chassis (101), and the inner shell (105) is arranged inside the outer shell (101a).

4. A factory flatbed truck power supply system according to claim 3, characterized in that: A boost transformer (104) is disposed inside the housing (101a), and the boost transformer (104) is electrically connected to the conductor (103d) and the control module (102).

5. A factory flatbed truck power supply system according to claim 1, characterized in that: The power supply track (2) is a double-track structure, the number of the double-track tracks (201) is two, and the two power supply tracks (2) are arranged in parallel.

6. A factory flatbed truck power supply system according to claim 1, characterized in that: The AC-DC-AC frequency conversion system rectifier device comprises a rectifier, a filter system and an inverter. The rectifier is a diode three-phase bridge uncontrolled rectifier or a fully controlled rectifier composed of high-power transistors.

7. A factory flatbed truck power supply system according to claim 1, characterized in that: The power system (3) is electrically connected to the power supply metal pole (202).

8. A factory flatbed truck power supply system according to claim 1, characterized in that: The power wheel (108) is rollingly connected to the double-track track (201).

9. A factory flatbed truck power supply system according to claim 1, characterized in that: The power supply metal column (202) and the conductor (103d) overlap each other, the power supply metal column (202) is a cylindrical structure, the positions where the power supply metal column (202) and the conductor (103d) overlap each other match, and the power supply metal column (202) is electrically connected to the power system (3).

10. A factory flatbed truck power supply system according to claim 1, characterized in that: The driving mechanism is arranged inside the inner shell (105).

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