Permanent magnet brushless asynchronous motor power unit for AGV

Abstract

The utility model relates to the technical field of motor power units, in particular to a permanent magnet brushless asynchronous motor power unit for an AGV (Automatic Guided Vehicle), which comprises an oil tank, a controller and a motor, the upper end of the oil tank is fixedly connected with a functional block, and the side end of the functional block is fixedly connected with a one-way valve, an overflow valve, a three-position four-way electromagnetic valve, a hydraulic lock, a two-way check valve and a proportional electromagnetic valve respectively. The motor is located above the oil tank and connected with the controller, the power output end of the motor is provided with an inner meshing pump, the lower end of the inner meshing pump is connected with the oil tank through a pipeline, the upper end of the inner meshing pump is connected with the functional block through a pipeline, two fixing plates are fixedly connected to the middle of the two-way check valve, and the side ends of the two fixing plates are fixedly connected with sealing pieces. According to the utility model, the integrated level is high, the work is stable, the variable speed adjustment can be realized, and the use requirements of different working conditions can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor power unit technical field, concretely is a kind of permanent magnet brushless asynchronous motor power unit for AGV. BACKGROUND

[0002] AGV is equipped with electromagnetic or optical automatic navigation device, can automatically travel along the specified navigation path, does not need the carrier of driver in use, use more safely, also greatly reduce the available labor cost.

[0003] Battery is its power source large AGV unit main component, traditional production and manufacture are separately purchased by host manufacturer, then each spare part is spliced, make splicing process complicated, and spare part comes from each factory, easy to appear the situation of size not standard, therefore it is easy to appear performance anomaly and leakage. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of permanent magnet brushless asynchronous motor power unit for AGV, to solve the problem raised in above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of permanent magnet brushless asynchronous motor power unit for AGV, including oil tank, controller and motor, the upper end of the oil tank is fixedly connected with function block, the side end of the function block is fixedly connected with one-way valve, overflow valve, three-position four-way electromagnetic valve, hydraulic lock, bidirectional check valve and proportional electromagnetic valve respectively, the motor is located above the oil tank, the motor is connected, the power output end of the motor is equipped with internal meshing pump, the lower end of the internal meshing pump is connected with oil tank by pipeline, the upper end of the internal meshing pump is connected with function block by pipeline, the middle of the bidirectional check valve is fixedly connected with two fixed plates, the side end of two fixed plates is fixedly connected with sealing element, the middle of two fixed plates is slidably connected with extrusion column, the middle of the extrusion column is sleeved with adjusting sleeve, the middle of the bidirectional check valve is slidably connected with adjusting plate, the lower end of the fixed plate is equipped with communicating port.

[0006] Preferably, the sealing element is a vertebral body structure, and the two sealing elements are oppositely arranged.

[0007] Preferably, the side end of the adjusting plate is fixedly connected with a sealing rubber sleeve, the sealing rubber sleeve is slightly deformed, and the sealing rubber sleeve has an annular structure.

[0008] Preferably, the two ends of the extrusion column penetrate the adjusting sleeve, the upper end of the adjusting sleeve is fixedly connected with the inner wall of the bidirectional check valve, and the two ends of the extrusion column penetrate the two fixed plates.

[0009] Preferably, the top end of the adjusting sleeve is rotationally connected with a transmission gear, and the side end of the transmission gear is meshingly connected with a driving gear, and the transmission gear and the driving gear are both helical gears.

[0010] Compared with the prior art, the unit can greatly improve production efficiency and reduce risk points, the unit integrates the one-way valve, the overflow valve, the three-position four-way electromagnetic valve, the bidirectional hydraulic lock, the bidirectional check valve and the proportional electromagnetic valve on one hydraulic valve group, saves installation space, effectively avoids machine working abnormity caused by excessive wiring, and realizes flexible lifting, descending and stepless speed regulation of the AGV vehicle, is not affected by environment and temperature, has long-term full-load working, small temperature rise, realizes hydraulic lock structure by using the bidirectional check valve during valve group design, guarantees pressure maintaining and no sliding during long-time working of the unit, guarantees stable descending working by the proportional electromagnetic valve when the unit descends, realizes variable speed regulation, and meets different working condition use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a connection front view of the power unit.

[0012] Figure 2 It is a connection side view of the power unit.

[0013] Figure 3 It is a connection top view of the power unit.

[0014] Figure 4 It is a hydraulic principle diagram of the power unit.

[0015] Figure 5 It is an internal connection schematic view of the bidirectional check valve.

[0016] In the figure: 1 controller, 2 motor, 3 internal meshing pump, 4 one-way valve, 5 overflow valve, 6 three-position four-way electromagnetic valve, 7 hydraulic lock, 8 bidirectional check valve, 9 proportional electromagnetic valve, 10 function block, 11 oil tank, 12 fixed plate, 13 communication port, 14 sealing element, 15 adjusting plate, 16 sealing rubber sleeve, 17 adjusting sleeve, 18 extrusion column, 19 transmission gear, 20 driving gear. DETAILED DESCRIPTION

[0017] In order to deepen the understanding and recognition of the utility model, the technical solutions in the utility model embodiments will be clearly and completely described and introduced in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and do not limit the utility model in any form. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of AGV car permanent magnet brushless asynchronous motor power unit, including oil tank 11, controller 1 and motor 2, the upper end of oil tank 11 is fixedly connected with function block 10, the side end of function block 10 is fixedly connected with check valve 4, overflow valve 5, three-position four-way electromagnetic valve 6, hydraulic lock 7, two-way check valve 8 and proportional electromagnetic valve 9 respectively, motor 2 is above oil tank 11, motor 2 and controller 1 are connected, the power output end of motor 2 is equipped with internal meshing pump 3, the lower end of internal meshing pump 3 is connected with oil tank 11 by pipeline, the upper end of internal meshing pump 3 is connected with function block 10 by pipeline, two fixed plates 12 are fixedly connected in the middle of two-way check valve 8, the side end of two fixed plates 12 is all fixedly connected with sealing element 14, extrusion column 18 is slidably connected in the middle of two fixed plates 12, adjusting sleeve 17 is sleeved in the middle of extrusion column 18, adjusting plate 15 is slidably connected in the middle of two-way check valve 8, the lower end of fixed plate 12 is equipped with intercommunication 13, proportional electromagnetic valve 9 guarantees that descending work is stable, and variable speed regulation can be realized.

[0019] Sealing element 14 is vertebral body structure, two sealing elements 14 are oppositely arranged, the middle of adjusting plate 15 is equipped with through-hole, two ends of sealing element 14 penetrate through through-hole, the side end of adjusting plate 15 is fixedly connected with sealing rubber sleeve 16, sealing rubber sleeve 16 slightly deforms, sealing rubber sleeve 16 is annular structure, two ends of extrusion column 18 penetrate through adjusting sleeve 17, the upper end of adjusting sleeve 17 is fixedly connected with the inner wall of two-way check valve 8, two ends of extrusion column 18 penetrate through two fixed plates 12, the top end of adjusting sleeve 17 is rotatably connected with transmission gear 19, the side end of transmission gear 19 is engagedly connected with driving gear 20, transmission gear 19 and driving gear 20 are all bevel gears, by driving driving gear 20 to rotate, driving gear 20 drives transmission gear 19 to rotate, to change the position of extrusion column 18, extrusion column 18 extrudes adjusting plate 15, and moves in one direction adjusting plate 15, when liquid flows from left to right in two-way check valve, extrusion column 18 extrudes left adjusting plate 15 and moves a distance, separates sealing rubber sleeve 16 from sealing element 14, so that liquid can flow to right adjusting plate 15, and extrudes right adjusting plate 15, when liquid backflows, right adjusting plate 15 is reset, adjusting plate 15, sealing element 14 and sealing rubber sleeve 16 three mutually cooperate, to seal and realize hydraulic lock structure, ensure that unit works for a long time and does not slide down.

[0020] Although the embodiments of the utility model have been shown and described, it needs to emphasize: the above description is only the introduction and description of the use mode of the embodiments of the utility model, and is not any form of restriction on the utility model. For ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A permanent magnet brushless asynchronous motor power unit for AGV vehicles, comprising a fuel tank (11), a controller (1) and a motor (2), characterized in that: The upper end of the oil tank (11) is fixedly connected with a function block (10), the side end of the function block (10) is fixedly connected with a check valve (4), an overflow valve (5), a three-position four-way electromagnetic valve (6), a hydraulic lock (7), a bidirectional check valve (8) and a proportional electromagnetic valve (9), the motor (2) is located above the oil tank (11), the motor (2) is connected with the controller (1), the power output end of the motor (2) is provided with an internal meshing pump (3), the lower end of the internal meshing pump (3) is connected with the oil tank (11) through a pipeline, the upper end of the internal meshing pump (3) is connected with the function block (10) through a pipeline, the middle of the bidirectional check valve (8) is fixedly connected with two fixed plates (12), the side end of the two fixed plates (12) is fixedly connected with a sealing element (14), the middle of the two fixed plates (12) is slidably connected with an extrusion column (18), the middle of the extrusion column (18) is sleeved with an adjusting sleeve (17), the middle of the bidirectional check valve (8) is slidably connected with an adjusting plate (15), the lower end of the fixed plate (12) is provided with a communication port (13).

2. The AGV vehicle permanent magnet brushless asynchronous motor power unit according to claim 1, characterized in that: The sealing element (14) is a vertebral body structure, the two sealing elements (14) are oppositely arranged, the middle of the adjusting plate (15) is provided with a through hole, and the two ends of the sealing element (14) penetrate the through hole.

3. The AGV vehicle permanent magnet brushless asynchronous motor power unit according to claim 1, characterized in that: The side end of the adjusting plate (15) is fixedly connected with a sealing rubber sleeve (16), the sealing rubber sleeve (16) is slightly deformed, and the sealing rubber sleeve (16) is an annular structure.

4. The AGV vehicle permanent magnet brushless asynchronous motor power unit according to claim 1, characterized in that: The two ends of the extrusion column (18) penetrate the adjusting sleeve (17), the upper end of the adjusting sleeve (17) is fixedly connected with the inner wall of the bidirectional check valve (8), and the two ends of the extrusion column (18) penetrate the two fixed plates (12).

5. The AGV vehicle used permanent magnet brushless asynchronous motor power unit according to claim 1, characterized in that: The top end of the adjusting sleeve (17) is rotatably connected with a transmission gear (19), the side end of the transmission gear (19) is meshingly connected with a driving gear (20), and the transmission gear (19) and the driving gear (20) are both bevel gears.

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