Manual release hydraulic pump

The utility model discloses a manual release hydraulic pump, which belongs to the technical field of hydraulic pumps and comprises a pump body, a pump cavity and a valve cavity are arranged in the pump body, and the pump cavity is communicated with the valve cavity through a one-way valve I; one end of the pump cavity is slidably connected with a pressing mechanism, and the other end of the pump cavity communicates with an oil inlet through a one-way valve II; the pressing mechanism comprises a power mechanism, the power mechanism is connected with a pump rod mechanism, and the pump rod mechanism is slidably connected with the pump cavity; one end of the valve cavity is slidably connected with a valve rod mechanism, and the middle of the valve cavity communicates with an oil outlet throughan oil outlet channel. The hydraulic brake is specially designed for solving the problem that when a hydraulic system breaks down, equipment can be moved only by detaching the brake, and the hydraulic brake is low in price,