CN-122009117-A - Emergency operation evacuation system and emergency operation method for containerized cargo loader

CN122009117ACN 122009117 ACN122009117 ACN 122009117ACN-122009117-A

Abstract

The invention relates to the technical field of emergency evacuation of loaders, and mainly discloses an emergency operation evacuation system and an emergency operation method of a cargo loader, wherein the emergency operation evacuation system comprises a manual pump, a brake emergency module, a landing leg emergency module, a bridge platform emergency module, a main platform emergency module and a loader; the loader is provided with a parking brake, a landing leg oil cylinder, a bridge platform lifting oil cylinder, a main platform lifting oil cylinder and a loader hydraulic system; each module is connected with a manual pump, a braking emergency module is connected between a parking brake and a loader hydraulic system in series, a landing leg emergency module is connected between a landing leg oil cylinder and the loader hydraulic system in series, a bridge platform emergency module is connected between a bridge platform lifting oil cylinder and the loader hydraulic system in series, the invention solves the problems of complicated operation of manual emergency measures of the existing loader, loss and influence caused by delay of flights and the like under the condition of possible faults.

Inventors

MA HAIBING
HUA YIFENG
SHAN PING
MA LIE
WANG WEI

Assignees

江苏天一航空工业股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. An emergency operation evacuation system of a cargo loader is characterized by comprising a manual pump (100), a brake emergency module (200), a landing leg emergency module (300), a bridge platform emergency module (400), a main platform emergency module (500) and a loader (600); The loader (600) is provided with a parking brake (601), a supporting leg oil cylinder (602), a bridge platform lifting oil cylinder (603), a main platform lifting oil cylinder (604) and a loader hydraulic system (605); Each emergency module is hydraulically connected with the manual pump (100), wherein the braking emergency module (200) is connected between the parking brake (601) and the loader hydraulic system (605) in series, the landing leg emergency module (300) is connected between the landing leg oil cylinder (602) and the loader hydraulic system (605) in series, the bridge platform emergency module (400) is connected between the bridge platform lifting oil cylinder (603) and the loader hydraulic system (605) in series, and the main platform emergency module (500) is connected between the main platform lifting oil cylinder (604) and the loader hydraulic system (605) in series.
2. The emergency operation evacuation system of a cargo loader according to claim 1, wherein the brake emergency module (200) includes a first loop cut-off needle valve (SYJ 1) and a first emergency loop on needle valve (Q1), the first loop cut-off needle valve (SYJ 1) being fully opened in an original state and the first emergency loop on needle valve (Q1) being fully closed in an original state; the first loop cutting needle valve (SYJ 1) is connected in series to a BRK loop of the parking brake (601) and the hydraulic system (605) of the loader, the input end of the first emergency loop cutting needle valve (Q1) is hydraulically connected with the manual pump (100), and the output end of the first loop cutting needle valve (SYJ 1) is connected with the parking brake (601) after being converged with the output end of the first loop cutting needle valve; the landing leg emergency module (300) comprises a second loop cut-off needle valve (SYJ 2) and a second emergency loop switch-on needle valve (Q2), wherein the original states of the second loop cut-off needle valve (SYJ 2) and the second emergency loop switch-on needle valve (Q2) are completely closed; The input end of the second emergency loop switching-on needle valve (Q2) is hydraulically connected with a rodless cavity of the supporting leg oil cylinder (602), the output end of the second emergency loop switching-on needle valve (Q2) is hydraulically connected with a hydraulic oil tank, the input end of the second loop switching-off needle valve (SYJ 2) is hydraulically connected with the manual pump (100), and the output end of the second loop switching-off needle valve (SYJ 2) is hydraulically connected with the supporting leg oil cylinder (602); The bridge platform emergency module (400) comprises a third loop cut-off needle valve (SYJ 3) and a third emergency loop connection needle valve (Q3), wherein the original state of the third loop cut-off needle valve (SYJ 3) is completely opened, and the original state of the third emergency loop connection needle valve (Q3) is completely closed; The third loop cut-off needle valve (SYJ 3) is connected in series to the bridge platform lifting cylinder (603) and the PLL loop of the loader hydraulic system (605), the input end of the third emergency loop cut-off needle valve (Q3) is hydraulically connected with the manual pump (100), and the output end of the third emergency loop cut-off needle valve (Q3) is connected with the bridge platform lifting cylinder (603) after being converged with the output end of the third loop cut-off needle valve (SYJ 3); the main platform emergency module (500) comprises a fourth loop cut-off needle valve (SYJ 4) and a fourth emergency loop connection needle valve (Q4), wherein the original state of the fourth loop cut-off needle valve (SYJ 4) is completely opened, and the original state of the fourth emergency loop connection needle valve (Q4) is completely closed; The fourth loop cut-off needle valve (SYJ 4) is connected in series with an AR loop of the main platform lifting oil cylinder (604) and the loader hydraulic system (605), the input end of the fourth emergency loop cut-on needle valve (Q4) is hydraulically connected with the manual pump (100), and the output end of the fourth emergency loop cut-on needle valve (Q4) is connected with the main platform lifting oil cylinder (604) after being converged with the output end of the fourth loop cut-off needle valve (SYJ 4).
3. The emergency operation evacuation system of the cargo loader according to claim 2, wherein eight support leg cylinders (602) are arranged, and rodless cavities of the eight support leg cylinders (602) are hydraulically connected with an input end of a second emergency loop connection needle valve (Q2) after being assembled through hydraulic pipelines; The hydraulic control ends of the eight supporting leg oil cylinders (602) are hydraulically connected with the output end of a second loop cutting needle valve (SYJ 2) after being summarized through hydraulic pipelines; The bridge platform lifting oil cylinder (603) and the main platform lifting oil cylinder (604) are respectively provided with a locking valve (A), and the locking valves (A) are respectively hydraulically connected with the output ends of a third emergency loop connection needle valve (Q3) and a fourth emergency loop connection needle valve (Q4); A fifth needle valve (SYIJ) is connected in series on a hydraulic circuit of the bridge platform emergency module (400), and the fifth needle valve (SYIJ) is hydraulically connected with a dead weight descending control passage of the bridge platform lifting oil cylinder (603).
4. The emergency operation evacuation system for a cargo loader according to any one of claims 1 to 3, wherein the brake emergency module (200), the leg emergency module (300), the bridge platform emergency module (400) and the main platform emergency module (500) are all connected with the corresponding parts of the manual pump (100) and the loader (600) and the loader hydraulic system (605) through hydraulic pipelines.
5. An emergency operation method for a cargo loader, which is characterized by comprising the following steps of: According to the emergency requirement, operating the corresponding emergency modules, cutting off the hydraulic circuits of the corresponding parts of the loader (600) and the hydraulic system (605) of the loader, and simultaneously connecting the hydraulic circuits of the parts and the manual pump (100), so that a plurality of emergency modules can be independently or synchronously operated; the manual pump (100) is driven to output hydraulic pressure, the hydraulic pressure is transmitted to corresponding parts of the loader (600) through a hydraulic pipeline, and emergency actions are completed by matching with the dead weight of the parts; after the emergency action is completed, the on-off state of the pipeline corresponding to the emergency module is reset, and the communication between the corresponding part of the loader (600) and the hydraulic circuit of the hydraulic system (605) of the loader is restored.
6. The emergency operation method of the cargo loader according to claim 5, wherein when the brake emergency module (200) is operated, a first loop cut-off needle valve (SYJ 1) is closed to cut off a BRK loop of the parking brake (601) and the hydraulic system (605) of the loader, the first loop cut-off needle valve (Q1) is fully opened to cut on the hydraulic loop of the parking brake (601) and the manual pump (100), the manual pump (100) is rocked to inject hydraulic oil into the parking brake (601) to a preset pressure and flow, the first loop cut-off needle valve (Q1) is closed, and after the loader (600) is pulled to a specified place at a speed less than or equal to 3km/h, the first loop cut-off needle valve (SYJ 1) is fully opened to restore loop communication; When the support leg emergency module (300) is operated, the second emergency loop switching needle valve (Q2) is completely opened to switch on the hydraulic loop of the rodless cavity and the hydraulic oil tank of the support leg oil cylinder (602), the second loop switching needle valve (SYJ 2) is completely opened to switch on the hydraulic loop of the support leg oil cylinder (602) and the manual pump (100), the manual pump (100) is rocked until all the eight support leg oil cylinders (602) are retracted, the second emergency loop switching needle valve (Q2) is completely closed first, then the second loop switching needle valve (SYJ 2) is completely closed, and the retraction state of the support leg oil cylinder (602) is locked by the loader hydraulic system (605).
7. The emergency operation method for the cargo loader according to claim 6, wherein when the bridge platform emergency module (400) is operated, the third loop cut-off needle valve (SYJ 3) is closed to cut off the PLL loop of the bridge platform lifting cylinder (603) and the hydraulic system (605) of the loader, the third emergency loop cut-off needle valve (Q3) is fully opened to connect the hydraulic loop of the bridge platform lifting cylinder (603) and the manual pump (100), the manual pump (100) is rocked to open the locking valve (A) to enable the self weight of the bridge platform lifting cylinder (603) to descend, the position of the fifth needle valve (SYIJ) locking cylinder is stopped halfway, the third loop cut-off needle valve (SYJ 3) is fully opened after the position is lowered to a preset height, and the third emergency loop cut-off needle valve (Q3) is fully closed to restore loop communication; When the main platform emergency module (500) is operated, the fourth loop cutting needle valve (SYJ 4) is closed to cut off the AR loop of the main platform lifting oil cylinder (604) and the hydraulic system (605) of the loader, the fourth emergency loop switching needle valve (Q4) is fully opened to switch on the hydraulic loop of the main platform lifting oil cylinder (604) and the manual pump (100), the manual pump (100) is rocked to open the locking valve (A) to enable the self weight of the main platform lifting oil cylinder (604) to descend, the fourth loop cutting needle valve (SYJ 4) can be directly fully opened after the self weight is stopped, the fourth loop cutting needle valve (SYJ 4) is fully opened after the self weight is reduced to a preset position, and the fourth emergency loop switching needle valve (Q4) is fully closed to restore loop communication.
8. The method for emergency operation of a cargo loader according to claim 6 or 7, wherein when the cargo loader (600) needs to be emergency evacuated from the aircraft approach position, the brake emergency module (200) is preferentially operated to release the parking brake, and after the cargo loader (600) is pulled to a safe area other than the aircraft approach position, the rest emergency modules are sequentially operated to complete the emergency operation of the corresponding components.
9. The emergency operation method for the cargo loader according to claim 8, wherein when the cargo loader (600) fails, all emergency modules are synchronously operated, and after the emergency actions of releasing the parking brake (601), retracting the supporting leg oil cylinder (602), and descending the bridge platform lifting oil cylinder (603) and the main platform lifting oil cylinder (604) are sequentially completed, the cargo loader (600) is pulled to withdraw from the near-airplane position at a speed of less than or equal to 3 km/h.
10. The method for emergency operation of a cargo loader according to claim 9, wherein, when the emergency operation is performed, a single emergency module which can be independently reset to complete the emergency operation can be reset, and all the emergency modules can be synchronously reset; The unset emergency module only affects the pipeline state of the corresponding loader (600) component, and does not interfere with the normal communication and operation of other components of the loader (600) and the loader hydraulic system (605).

Description

Emergency operation evacuation system and emergency operation method for containerized cargo loader Technical Field The invention relates to the technical field of emergency evacuation of loaders, in particular to an emergency operation evacuation system and an emergency operation method of a cargo loader. Background The container cargo loader is an airport container plate platform truck, is used for loading and unloading operations of cargoes such as containers, pallets and the like when an airplane approaches a airport, and has the characteristics of stable loading and unloading performance, high transmission efficiency, large bearing capacity, stable lifting, wide application range and the like, and greatly improves the efficiency and convenience of the air transportation industry. The emergency evacuation measures of the existing container cargo loader are mainly two modes, namely electric emergency and manual emergency, wherein the electric emergency uses a starting battery pack to realize quick emergency, and when the circuit fault or power failure and other conditions occur, the electric emergency depends on the manual emergency. The manual emergency measures of the existing container cargo loader are combined, the defects of complicated operation, multiple personnel operation and the like exist, and flight errors can be caused when equipment fails to work to a great extent, so that loss and influence are caused. Disclosure of Invention The invention aims to solve the technical problems that the manual emergency measures of the existing container cargo loader have the defects of complicated operation, multiple personnel operation and the like, and the equipment is greatly delayed to mistake flights when in faults, thereby causing loss and influence. The emergency operation evacuation system for the container cargo loader comprises a manual pump, a braking emergency module, a landing leg emergency module, a bridge platform emergency module, a main platform emergency module and a loader, wherein a parking brake, a landing leg oil cylinder, a bridge platform lifting oil cylinder, a main platform lifting oil cylinder and a loader hydraulic system are arranged on the loader, each emergency module is in hydraulic connection with the manual pump, the braking emergency module is connected between the parking brake and the loader hydraulic system in series, the landing leg emergency module is connected between the landing leg oil cylinder and the loader hydraulic system in series, the bridge platform emergency module is connected between the bridge platform lifting oil cylinder and the loader hydraulic system in series, and the main platform emergency module is connected between the main platform lifting oil cylinder and the loader hydraulic system in series. In a preferred implementation mode of the emergency operation evacuation system of the cargo loader, the braking emergency module comprises a first loop cut-off needle valve and a first emergency loop cut-off needle valve, the original state of the first loop cut-off needle valve is completely opened, the original state of the first emergency loop cut-off needle valve is completely closed, the first loop cut-off needle valve is connected to a BRK loop of a hydraulic system of a parking brake and a loading machine in series, the input end of the first emergency loop cut-off needle valve is hydraulically connected with a manual pump, the output end of the first loop cut-off needle valve is in hydraulic connection with the parking brake after being converged with the output end of the first loop cut-off needle valve, the landing leg emergency module comprises a second loop cut-off needle valve and a second emergency loop cut-off needle valve, the original state of the second loop cut-off needle valve and the second emergency loop cut-off needle valve are completely closed, the input end of the second emergency loop cut-off needle valve is hydraulically connected with a rodless cavity of a landing leg cylinder, the output end of the second emergency loop cut-off needle valve is hydraulically connected with the hydraulic pump, the input end of the second loop cut-off needle valve is hydraulically connected with the manual pump, the output end of the second loop cut-off needle valve is connected with the needle valve, the landing needle valve is completely connected with the landing needle valve, the landing stage needle valve is completely closed, the needle valve is completely connected with the needle valve in the original state of the needle valve, the needle valve is completely connected with the needle valve in the needle valve, the main platform emergency module comprises a fourth loop cut-off needle valve and a fourth loop cut-off needle valve, the original state of the fourth loop cut-off needle valve is completely opened, the original state of the fourth loop cut-off needle valve is completely closed, the fourth loop cut-off needle valve is connected