# US 9,751,537 B2 · High-speed rail rescue crane and a multifunctional high-speed rail rescue train > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,751,537 B2 - Document ID: US9751537B2 - Status: Granted - Kind: B2 - Application number: 14/427,306 - Filed: 2014-06-20 - Published: 2015-08-27 - Granted: 2017-09-05 - Earliest claimed: 2013-06-21 - Applicants: Chen Fang - Inventors: Chen Fang - Web page: https://patentgrep.com/patent/US9751537B2 ## CPC - B61D 15/02: Breakdown cranes (crane gear B66C) - B61D 15/00: Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways (conveyor frames mounted for movement on rail tracks B65G41/02; wheeled machines used in permanent way construction or maintenance E01B) - B66C 23/50: mounted on railway vehicles, e.g. breakdown cranes - B66C 23/78: Supports, e.g. outriggers, for mobile cranes - B61D: BODY DETAILS OR KINDS OF RAILWAY VEHICLES (vehicles in general B60; adaptation of vehicles to special systems B61B; underframes B61F) - B66C: CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES ({specially adapted for lifting invalids A61G7/10;} rope, cable, or chain winding mechanisms, braking or detent devices therefor B66D; specially adapted for nuclear reactors G21) ## Abstract The present application relates to a new high-speed rail rescue crane and a multifunctional high-speed rail rescue train, comprising a vehicle equipped with wheels; a concave floor disposed on middle of the vehicle floor; wherein a steel frame base is disposed on the concave floor; a cassette deck is set on both sides of the steel frame base and a V-type chute is set up on the cassette deck; a pedestal floor is disposed on the steel frame base, a sliding tenon is set on both sides of the pedestal floor, the sliding tenons is engaged with the V-type chute; an end of the pedestal floor is connected to a trip lever of a hydraulic cylinder fixed on the steel frame base; a rotary support is fixed on the pedestal floor, a crane is fixed on the pedestal floor; legs of the crane are disposed on the vehicle floor; and a slot engaged with a steel rail is disposed on root of the legs of the crane. The present high-speed rail wreck crane is safer, more stable and more practical; this multifunctional high-speed rail rescue train is suitable for the rescue of multi-type accidents of high-speed rail and it is also suitable in unique terrains, such as elevated sections, tunnels, canyons and water. ## Claims ### Claim 1 A rail rescue crane comprising: a vehicle equipped with wheels; and a concave floor disposed on middle of the vehicle floor; wherein a steel frame base is disposed on the concave floor; a cassette deck is set on both sides of the steel frame base and a V-type chute is set on the cassette deck; a pedestal floor is disposed on the steel frame base; a sliding tenon is set on both sides of the pedestal floor, wherein the sliding tenon is engaged with the V-type chute; an end of the pedestal floor is connected to a trip lever of a hydraulic cylinder fixed on the steel frame base; a rotary support is fixed on the pedestal floor, a crane is fixed on the pedestal floor; legs of the crane are disposed on the vehicle floor; and a slot engaged with a steel rail is disposed on root of the legs of the crane, wherein the legs of the crane comprise eight concave legs that are invertedly fastened to the top surface of the rail and retained to an I-type waist of the steel rail. ### Claim 2 (depends on 1) The rail rescue crane of claim 1, wherein the concave leg is fastened and locked onto the I-type waist of the steel rail by a sliding block. ### Claim 3 (depends on 1) The rail rescue crane of claim 1, further comprising a cab disposed on the crane; wherein the cab comprises a signal processor, a computer terminal and a controller disposed inside of the cab. ### Claim 4 (depends on 3) The rail rescue crane of claim 3, wherein the top of boom of the crane, the edge of the V-shape chute, the center of the rotary support and the root of the legs are equipped with sensors that communicated with the computer terminal and the signal processor. ### Claim 5 (depends on 1) The rail rescue crane of claim 1, wherein diameter of the rotary support is less than the rail gauge. ### Claim 6 (depends on 1) The rail rescue crane of claim 1, wherein the pedestal floor, the rotary support and the upper components of them can be horizontally movable, and the center of the rotary support and the crane boom do not cross the gauge line on the side of the acting force. ### Claim 7 A multifunctional rail rescue train comprising a rescue command vehicle; a medical ambulance; a firefighting vehicle; a high-speed rail rescue crane; a rescue and crane auxiliary vehicle; and a drilling and excavate vehicle; and a rail rescue crane, wherein the rail rescue crane further comprises a vehicle equipped with wheels; and a concave floor is disposed in middle of the vehicle floor, wherein: a steel frame base is disposed on the concave floor; a cassette deck is set on both sides of the steel frame base and a V-type chute is set on the cassette deck; a pedestal floor is disposed on the steel frame base; a sliding tenon is set on both sides of the pedestal floor, wherein the sliding tenon is engaged with the V-type chute; an end of the pedestal floor is connected to a trip lever of a hydraulic cylinder fixed on the steel frame base; a rotary support is fixed on the pedestal floor, a crane is fixed on the pedestal floor; legs of the crane are disposed on the vehicle floor; and a slot engaged with a steel rail is disposed on root of the legs of the crane, wherein the legs of the crane comprise eight concave legs that are invertedly fastened to the top surface of the rail and retained to an I-type waist of the steel rail. ### Claim 8 (depends on 7) The rail rescue crane of claim 7, wherein the concave leg is fastened and locked onto the I-type waist of the steel rail by a sliding block. ### Claim 9 (depends on 7) The rail rescue crane of claim 7, further comprising a cab disposed on the crane; wherein the cab comprises a signal processor, a computer terminal and a controller disposed inside of the cab. ### Claim 10 (depends on 9) The rail rescue crane of claim 9, wherein the top of boom of the crane, the edge of the V-shape chute, the center of the rotary support and the root of the legs are equipped with sensors that communicated with the computer terminal and the signal processor. ### Claim 11 (depends on 7) The rail rescue crane of claim 7, wherein diameter of the rotary support is less than the rail gauge. ### Claim 12 (depends on 7) The rail rescue crane of claim 7, wherein the pedestal floor, the rotary support and the upper components of them can be horizontally movable, and the center of the rotary support and the crane boom do not cross the gauge line on the side of the acting force.