A cart

Abstract

The present application provides a kind of cart, comprising: rack;Hub assembly is installed on rack by rotating shaft, hub assembly includes wheel hub motor and brake disc fixedly connected with wheel hub motor;Brake assembly is installed on rack, including first driving part and brake pad, first driving part is fixedly connected with rack, and brake pad is connected with first driving part;Operating assembly is installed on rack, including second driving part and brake handle, second driving part is connected with first driving part by hydraulic oil pipe, brake handle is installed on second driving part, when braking, hydraulic oil in second driving part is extruded to first driving part along hydraulic oil pipe by brake handle, pushes brake pad, so that brake pad contacts and extrudes brake disc.The present application simultaneously controls two brake assemblies by one operating assembly, to facilitate operation, and two wheels are simultaneously braked to realize rapid stop, and can avoid side slip phenomenon when braking, so that the cart running process is safer.

Claims

1. A trolley, characterized in that, include: frame; A hub assembly is rotatably mounted on the frame via a pivot. The hub assembly includes a hub motor and a brake disc. The brake disc is fixedly connected to the hub motor, and the hub motor and the brake disc can rotate synchronously around the pivot. A braking assembly is mounted on the frame, and the braking assembly includes a first drive member and a brake pad, wherein the first drive member is fixedly connected to the frame, and the brake pad is connected to the first drive member; An operating component, mounted on the frame, includes a second drive unit and a brake handle. The second drive unit is connected to the first drive unit via a hydraulic oil pipe. The brake handle is mounted on the second drive unit. When braking, the brake handle pushes the hydraulic oil in the second drive unit along the hydraulic oil pipe to be squeezed into the first drive unit, thereby pushing the brake pads so that the brake pads contact and squeeze the brake disc. The bottom of the frame is symmetrically equipped with bearing seats on both sides. The wheel hub assembly and the brake assembly are respectively installed on the bearing seats on both sides. The operating assembly is connected to the first drive component of the brake assembly on both sides through two hydraulic oil pipes. A switch is provided at the bottom of the second drive unit, and the switch is connected to the control box on the frame via a signal line; The brake handle includes a grip, a brake, and a switch trigger. The brake and the switch trigger are located at the same end of the grip and are at an angle to each other. The brake unit is used to push the oil pipe screw inside the second drive member to move, and the switch trigger unit is used to control the on / off state of the switch.

2. The trolley according to claim 1, characterized in that, The wheel hub assembly is fixedly connected to the bearing housing via the rotating shaft, and the wheel hub motor and the brake disc are mounted on the rotating shaft.

3. The trolley according to claim 2, characterized in that, The rotating shaft is provided with a flat groove at one end where it is connected to the bearing seat, and the rotating shaft is fixedly connected to the bearing seat by a pressure plate, the pressure plate being located at the flat groove.

4. The trolley according to claim 1, characterized in that, The first driving component includes a housing and a piston disposed within the housing. The housing has an oil inlet connected to the hydraulic oil pipe. Hydraulic oil enters the housing through the oil inlet to push the piston.

5. The trolley according to claim 4, characterized in that, The brake pads include a first brake pad and a second brake pad, the first brake pad being fixedly connected to the piston, and the second brake pad being fixedly connected to the housing.

6. The trolley according to claim 5, characterized in that, The brake disc is located between the first brake pad and the second brake pad.

7. The trolley according to claim 1, characterized in that, The second drive component includes an oil housing, and the oil pipe screw is located inside the oil housing, forming an oil storage chamber between the oil housing and the oil pipe screw. The oil storage chamber is connected to the oil storage chamber of the first drive component through the hydraulic oil pipe.

8. The trolley according to claim 7, characterized in that, The brake handle is rotatably connected to the oil tank via a rotating shaft, and a return spring is sleeved on the rotating shaft.

9. The trolley according to claim 1, characterized in that, The frame also includes a push rod, on which the control box and the operating components are mounted.

10. The trolley according to claim 1, characterized in that, The frame is also equipped with a housing, and a battery pack assembly is installed on one side of the housing.

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