AGV (Automatic Guided Vehicle) wheel set conveying trolley

Abstract

The utility model relates to an AGV (Automatic Guided Vehicle) wheel set conveying trolley which comprises a trolley body, two pairs of holding claw mechanisms and a driving mechanism, the two pairs of holding claw mechanisms are arranged on the vehicle body; the holding claw mechanism comprises two holding claw modules; each holding claw module comprises a worm, a supporting seat, a supporting rod and a worm gear; the worm is horizontally and rotationally arranged on the vehicle body; one end of the supporting rod is fixedly connected with the worm gear, and the worm gear is rotationally arranged on the supporting seat and meshed with the worm; the two worms on the same pair of holding claw mechanisms share the same axis; in the same holding claw mechanism, the end of the outer side of the worm of any holding claw module is connected with a driving motor, and the two worms in the same holding claw mechanism are connected through a coupler. And the rotating directions of the tooth shapes of the two worm wheels on the same holding claw mechanism are opposite. The AGV wheel set conveying trolley can be used for conveying various wheel sets such as a trailer wheel set and a bullet train wheel set, and comprises a wheel set with a brake disc and a gear box.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, and particularly relates to an AGV wheel pair transporting trolley. Background Art

[0002] With the development of Industry 4.0, the wheel pair production and repair equipment in railway vehicle and subway vehicle manufacturing plants and repair workshops are all developing towards intelligence, automation and unmanned operation. The RTLD-AGV01-I intelligent wheel pair AGV conveying system is developed to realize the intelligence of wheel pair conveying and can run through the whole process of wheel pair production.

[0003] Disadvantages of the prior art: The use site needs to be flat and anti-slip, otherwise the synchronous track will be worn greatly.

[0004] It is expected to provide an AGV wheel pair transporting trolley that can solve the above technical problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an AGV wheel pair transporting trolley, which can transport various wheel pairs, such as trailer wheel pairs and driving wheel pairs, including wheel pairs with brake discs and gearboxes.

[0006] To achieve the purpose of the above utility model, an AGV wheel pair transporting trolley includes a vehicle body, two pairs of clamping jaw mechanisms and a driving mechanism;

[0007] The two pairs of clamping jaw mechanisms are arranged on the vehicle body;

[0008] Each clamping jaw mechanism includes two clamping jaw modules;

[0009] Each clamping jaw module includes a worm, a support seat, a support rod and a worm gear;

[0010] The worm is horizontally and rotatably arranged on the vehicle body;

[0011] The support seat is fixed on the vehicle body;

[0012] One end of the support rod is fixedly connected with the worm gear, the worm gear is rotatably arranged on the support seat and meshes with the worm;

[0013] The two worms on the same pair of clamping jaw mechanisms share the same axis;

[0014] In the same clamping jaw mechanism, the outer end of the worm of any clamping jaw module is connected with a driving motor, and the two worms in the same clamping jaw mechanism are connected by a coupling;

[0015] The helix directions of the tooth profiles of the two worm gears on the same pair of clamping jaw mechanisms are opposite;

[0016] The driving mechanism is arranged on the vehicle body and is used to drive the vehicle body to move.

[0017] Preferably, a pair of rollers are arranged on the upper parts of the side surfaces of the support rods facing each other in the same pair of clamping jaw mechanisms.

[0018] Preferably, the driving mechanism includes two synchronous track modules, and the two synchronous track modules are respectively arranged on both sides of the vehicle body;

[0019] The synchronous track module includes a servo motor, two synchronous track wheels and a synchronous track;

[0020] The two synchronous track wheels are rotatably arranged at both ends of one side of the vehicle body;

[0021] The synchronous track is sleeved on the two synchronous track wheels;

[0022] The servo motor is connected to any one of the synchronous track wheels.

[0023] Preferably, a protective cover is covered on the vehicle body, and a hollow area is arranged on the protective cover corresponding to the position of the support rod.

[0024] Furthermore, a sensor is arranged at the bottom of the vehicle body, an emergency stop switch is arranged at the top of the protective cover, the sensor is in signal connection with the emergency stop switch, and the emergency stop switch is electrically connected to the two servo motors respectively.

[0025] Preferably, a plurality of synchronous belt wheels are rotatably arranged on both sides of the vehicle body, and the synchronous track is sleeved on the synchronous belt wheels.

[0026] An AGV wheel pair transport trolley of the present utility model has the following advantages compared with the prior art:

[0027] (1) It can transport wheel pairs from point to point over a long distance by a single AGV, or multiple AGVs can relay the transportation; from interval to interval for transporting wheel pairs, the AGV can automatically identify the wheel pairs in front and queue for storage; it also has the function of automatically searching for and identifying wheel pairs; the AGV can cooperate with an in-built intelligent turntable, or can make a right-angle turn by arranging magnetic strips and directly enter the equipment working area; it can achieve automatic deviation correction and position detection through magnetic navigation; through magnetic navigation, for centering and positioning, when there is a left or right deviation, deviation correction can be achieved;

[0028] (2) The lifting component of the clamping jaw is driven by a motor-driven worm and worm system. When braking, the worm and worm have excellent self-locking performance, that is, under certain conditions, the worm can actively drive the worm wheel, while the worm wheel cannot drive the worm; at the same time, the dial wheel is made of nylon, so that when it contacts the axle, it will not wear the surface of the axle body;

[0029] (3) The structure is simple and it is convenient to use. Description of the Drawings

[0030] Figure 1 The following is a schematic structural diagram of an AGV wheel pair transport trolley according to this embodiment Figure 1 ;

[0031] Figure 2 The following is a schematic structural diagram of the protective cover in this embodiment

[0032] Figure 3 The following is a schematic structural diagram of an AGV wheel pair transport trolley according to this embodiment Figure 2 ;

[0033] Figure 4 The following is a schematic structural diagram of an AGV wheel pair transport trolley according to this embodiment Figure 3 。 Detailed Description of the Invention

[0034] The following further describes the present invention in conjunction with the accompanying drawings and specific embodiments

[0035] Embodiment

[0036] As Figure 1 shown, an AGV wheel pair transport trolley includes a vehicle body 1, two pairs of claw mechanisms, and a driving mechanism

[0037] The two pairs of claw mechanisms are arranged on the vehicle body 1; each claw mechanism includes two claw modules, and each claw module includes a worm 2, a support seat 3, a support rod 4, and a worm gear 5; the worm 2 is horizontally and rotatably arranged on the vehicle body 1; the support seat 3 is fixed on the vehicle body 1; one end of the support rod 4 is fixedly connected to the worm gear 5, the worm gear 5 is rotatably arranged on the support seat 3, and meshes with the worm 2

[0038] The two worms 2 on the same pair of claw mechanisms share the same axis; in the same claw mechanism, the outer end of the worm 2 of any claw module is connected to a driving motor 6, and the two worms 2 in the same claw mechanism are connected by a coupling 7; the helix directions of the tooth profiles of the two worm gears 5 on the same pair of claw mechanisms are opposite

[0039] In this embodiment, a pair of rollers 8 are provided on the upper parts of the mutually facing sides of the support rods 4 in the same pair of claw mechanisms; when the support rods 4 on the two pairs of claw mechanisms limit the axle of the wheel, the rollers 8 can reduce the friction between the axle and the support rod

[0040] The lifting component of the claw adopts a motor-driven worm and worm gear system. During braking, the worm and worm gear have excellent self-locking performance, that is, under certain conditions, the worm can actively drive the worm gear, while the worm gear cannot drive the worm

[0041] The driving mechanism is arranged on the vehicle body 1 and is used to drive the vehicle body to move.

[0042] In this embodiment, the driving mechanism includes two synchronous track modules, and the two synchronous track modules are respectively arranged on both sides of the vehicle body 1; the synchronous track module includes a servo motor 9, two synchronous track wheels 10 and a synchronous track 11; the two synchronous track wheels 10 are rotatably arranged at both ends of one side of the vehicle body 1; the synchronous track 11 is sleeved on the two synchronous track wheels 10; the servo motor 9 is connected to any one of the synchronous track wheels; with such a setting, the synchronous track adopts the structure of a servo motor driving the synchronous track wheel, the two sets of synchronous tracks are independently driven, and the rotational speed difference for moving and turning can be realized, so as to realize the movement and walking of the trolley. When the transmission performance meets the requirements, the overall machine mass is reduced, the friction with the ground is increased, and the maneuverability of the overall machine is improved.

[0043] In this embodiment, as Figure 2 shown, a protective cover 12 is covered on the vehicle body 1, and a hollow area 13 is provided on the protective cover 12 corresponding to the position of the support rod; with such a setting, it plays a protective role for the two pairs of clamping mechanisms and the driving mechanism inside the vehicle body 1.

[0044] In this embodiment, as Figure 3 and Figure 4 shown, a sensor 14 is provided at the bottom of the vehicle body 1, an emergency stop switch 15 is provided at the top of the protective cover 12, the sensor 14 is signal-connected to the emergency stop switch 15, and the emergency stop switch 15 is electrically connected to the two servo motors 9 respectively; with such a setting, a single AGV can perform long-distance point-to-point conveying of wheel pairs, or multiple AGVs can perform relay conveying; from one section to another section for conveying wheel pairs, the AGV can automatically identify the wheel pairs in front and queue and store them; it also has the function of automatically searching for and identifying wheel pairs; the AGV can cooperate with an in-built intelligent turntable, or can perform a right-angle turn by arranging magnetic strips and directly enter the equipment working area.

[0045] Furthermore, a plurality of synchronous belt wheels 16 are rotatably arranged on both sides of the vehicle body 1, and the synchronous track 11 is sleeved on the synchronous belt wheels 16, playing a certain supporting role.

[0046] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An AGV wheel pair transport trolley, characterized in that, It includes a vehicle body, two pairs of gripper mechanisms and a driving mechanism; The two pairs of gripper mechanisms are arranged on the vehicle body; Each gripper mechanism includes two gripper modules; Each gripper module includes a worm, a support seat, a support rod and a worm gear; The worm is horizontally and rotatably arranged on the vehicle body; The support seat is fixed on the vehicle body; One end of the support rod is fixedly connected to the worm gear, the worm gear is rotatably arranged on the support seat and meshes with the worm; The two worms on the same pair of gripper mechanisms share the same axis; In the same gripper mechanism, the outer end of the worm of any gripper module is connected to a driving motor, and the two worms in the same gripper mechanism are connected by a coupling; The helix directions of the tooth profiles of the two worm gears on the same gripper mechanism are opposite; The driving mechanism is arranged on the vehicle body and is used to drive the vehicle body to move.

2. The AGV wheel pair transport trolley according to claim 1, characterized in that, A pair of rollers are arranged on the upper parts of the mutually facing sides of the support rods in the same pair of gripper mechanisms.

3. The AGV wheel pair transport trolley according to claim 1, characterized in that, The driving mechanism includes two synchronous track modules, and the two synchronous track modules are respectively arranged on both sides of the vehicle body; Each synchronous track module includes a servo motor, two synchronous track wheels and a synchronous track; The two synchronous track wheels are rotatably arranged at both ends of one side of the vehicle body; The synchronous track is sleeved on the two synchronous track wheels; The servo motor is connected to any one of the synchronous track wheels.

4. An AGV wheel pair transport trolley according to claim 1, characterized in that, A protective cover is covered on the vehicle body, and a hollow area is provided on the protective cover corresponding to the position of the support rod.

5. The AGV wheel pair transport trolley according to claim 4, characterized in that, Sensors are arranged at the bottom of the vehicle body, an emergency stop switch is arranged at the top of the protective cover, the sensors are signal-connected to the emergency stop switch, and the emergency stop switch is electrically connected to the two servo motors respectively.

6. The AGV wheel pair transporting trolley according to claim 3, characterized in that, A plurality of synchronous belt wheels are rotatably arranged on both sides of the vehicle body, and the synchronous track is sleeved on the synchronous belt wheels.

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