A truss-like hydraulic lifting apparatus with plugs, comprising: a pile reinforcing frame; a truss structure extending through and mounted within the pile reinforcing frame, wherein the truss structure comprises a first number of uniformly disposed support legs, and each of the support legs is provided with a support leg inserting hole; a first number of power source devices each provided with a plug corresponding to a support leg inserting hole of each of the support legs; characterised by a detachable mechanism for detachably fixing each of the power source devices to the pile reinforcing frame, wherein the detachable mechanism comprises: a base plate which is laterally fixed relative to the pile reinforcing frame, is provided with an opening through which the support leg vertically passes, and forms a protective cap above the power source device, wherein the lateral dimension of the protective cap is larger than the lateral dimension of the power source device, wherein (option A) the base plate is detachably mounted on the pile reinforcing frame via a plug structure, with a mounting plug hole being arranged on the base plate, and the pile reinforcing frame is provided with a mounting plug corresponding to the mounting plug hole, or wherein (option B) the base plate is detachably mounted on the pile reinforcing frame via a tenon-mortise structure in which a tenon is provided on each of two ends of the base plate connected with the pile reinforcing frame, and a mortise corresponding to the tenon is provided on the pile reinforcing frame. a pile reinforcing frame; a truss structure extending through and mounted within the pile reinforcing frame, wherein the truss structure comprises a first number of uniformly disposed support legs, and each of the support legs is provided with a support leg inserting hole; a first number of power source devices each provided with a plug corresponding to a support leg inserting hole of each of the support legs; characterised by a detachable mechanism for detachably fixing each of the power source devices to the pile reinforcing frame, wherein the detachable mechanism comprises: a base plate which is laterally fixed relative to the pile reinforcing frame, is provided with an opening through which the support leg vertically passes, and forms a protective cap above the power source device, wherein the lateral dimension of the protective cap is larger than the lateral dimension of the power source device, wherein (option A) the base plate is detachably mounted on the pile reinforcing frame via a plug structure, with a mounting plug hole being arranged on the base plate, and the pile reinforcing frame is provided with a mounting plug corresponding to the mounting plug hole, or wherein (option B) the base plate is detachably mounted on the pile reinforcing frame via a tenon-mortise structure in which a tenon is provided on each of two ends of the base plate connected with the pile reinforcing frame, and a mortise corresponding to the tenon is provided on the pile reinforcing frame. a base plate which is laterally fixed relative to the pile reinforcing frame, is provided with an opening through which the support leg vertically passes, and forms a protective cap above the power source device, wherein the lateral dimension of the protective cap is larger than the lateral dimension of the power source device, wherein (option A) the base plate is detachably mounted on the pile reinforcing frame via a plug structure, with a mounting plug hole being arranged on the base plate, and the pile reinforcing frame is provided with a mounting plug corresponding to the mounting plug hole, or wherein (option B) the base plate is detachably mounted on the pile reinforcing frame via a tenon-mortise structure in which a tenon is provided on each of two ends of the base plate connected with the pile reinforcing frame, and a mortise corresponding to the tenon is provided on the pile reinforcing frame.