CN-224231876-U - Quick detector for maintaining container spreader

CN224231876UCN 224231876 UCN224231876 UCN 224231876UCN-224231876-U

Abstract

The quick detector for maintaining the container lifting appliance comprises a hydraulic control system, wherein the hydraulic control system is provided with a motor, the motor is connected with a hydraulic pump, the oil inlet end of the hydraulic pump is connected with an oil tank through an oil inlet pipe, the oil outlet end of the hydraulic pump is connected with an oil inlet of a two-way valve bank through an oil outlet pipe, an oil return port of the two-way valve bank is connected with the oil tank through an oil return pipe, and a first working port and a second working port of the two-way valve bank are connected on a working circuit of a part to be detected through oil delivery pipes. The portable on-site detection device has the advantages that on-site portable detection can be realized, the detection efficiency is improved, and the detection cost is reduced.

Inventors

SUN SHIWEI
WANG ZHIYU
Qu Dingbin
XIE ZHANGFEI
LI HONGBO
WU JIAQIANG
ZHENG NAN

Assignees

重庆化工码头有限公司

Dates

Publication Date: 20260512
Application Date: 20250520

Claims (8)

1. The quick detector for maintaining the container lifting appliance comprises a hydraulic control system, wherein the hydraulic control system is provided with a motor, the motor is connected with a hydraulic pump, the oil inlet end of the hydraulic pump is connected with an oil tank through an oil inlet pipe, the oil outlet end of the hydraulic pump is connected with an oil inlet of a two-way valve bank through an oil outlet pipe, an oil return port of the two-way valve bank is connected with the oil tank through an oil return pipe, and a first working port and a second working port of the two-way valve bank are connected on a working circuit of a part to be detected through oil delivery pipes.
2. The quick detector for maintaining the container spreader of claim 1, wherein the two-way valve group comprises six guide plate two-way valves, and two working ports of each guide plate two-way valve are correspondingly connected to a working loop of a guide plate hydraulic motor; The two-way valve group also comprises a telescopic two-way valve, and two working ports of the telescopic two-way valve are correspondingly connected to a working loop of the telescopic hydraulic motor; The two-way valve group further comprises two opening and closing two-way valves, and two working ports of each opening and closing two-way valve are correspondingly connected to working loops of two opening and closing hydraulic cylinders; The two-way valve group also comprises a movable two-way valve, and two working ports of the movable two-way valve are correspondingly connected to a working loop of the movable hydraulic cylinder.
3. The quick detector for maintaining the container spreader according to claim 2, wherein the six guide plate bi-directional valves are respectively a yellow side green guide plate bi-directional valve, a red side green guide plate bi-directional valve, a yellow side blue guide plate bi-directional valve, a red side blue guide plate bi-directional valve and a red guide plate bi-directional valve; The yellow side green guide plate bi-directional valve is connected with the yellow side green guide plate electromagnetic valve F5, the red side green guide plate bi-directional valve is connected with the red side green guide plate electromagnetic valve F8, the yellow guide plate bi-directional valve is connected with the yellow guide plate electromagnetic valve F6, the yellow side blue guide plate bi-directional valve is connected with the yellow side blue guide plate electromagnetic valve F7, the red side blue guide plate bi-directional valve is connected with the red side blue guide plate bi-directional valve electromagnetic valve F10, and the red guide plate bi-directional valve is connected with the red guide plate electromagnetic valve F9; the telescopic two-way valve is connected with a 20-foot electromagnetic valve F13 and a 40-foot electromagnetic valve F14; The two opening and closing bi-directional valves are respectively a yellow side opening and closing bi-directional valve and a red side opening and closing bi-directional valve, the yellow side opening and closing bi-directional valve is connected with a yellow side unlocking electromagnetic valve F1 and a yellow side locking electromagnetic valve F2, and the red side opening and closing bi-directional valve is connected with a red side unlocking electromagnetic valve F3 and a red side locking electromagnetic valve F4; The movable bi-directional valve is connected with the yellow bias side solenoid valve F11 and the red bias side solenoid valve F12.
4. The quick detector for maintaining the container spreader according to claim 2 or 3, wherein the guide plate bi-directional valve is a two-position four-way reversing valve, and the telescopic bi-directional valve, the open-close bi-directional valve and the movable bi-directional valve are three-position four-way reversing valves.
5. The rapid detector for maintaining container spreaders according to claim 3, wherein the detection switch group is provided with a guide plate detection switch, an open-close detection switch, a telescopic detection switch and a movement detection switch; The guide plate detection switch comprises a green-yellow guide plate detection switch and a blue-red guide plate detection switch, wherein the green-yellow guide plate detection switch is connected with a yellow-side green guide plate electromagnetic valve F5, a red-side green guide plate electromagnetic valve F8 and a yellow guide plate electromagnetic valve F6, and the blue-red guide plate detection switch is connected with a yellow-side blue guide plate electromagnetic valve F7, a red-side blue guide plate bidirectional valve electromagnetic valve F10 and a red guide plate electromagnetic valve F9; The unlocking and locking detection switch is connected with a yellow side unlocking electromagnetic valve F1, a yellow side locking electromagnetic valve F2, a red side unlocking electromagnetic valve F3 and a red side locking electromagnetic valve F4; The telescopic detection switch is connected with a 20-foot electromagnetic valve F13 and a 40-foot electromagnetic valve F14; The movement detection switch is connected with the yellow-bias side movement solenoid valve F11 and the red-bias side movement solenoid valve F12.
6. The quick detector for maintaining the container spreader of claim 1, wherein the detection indicator light set is provided with a box limit indicator light, an unlocking limit indicator light, a locking limit indicator light, a 20-foot limit indicator light and a 40-foot limit indicator light.
7. The quick detector for maintaining the container spreader of claim 6, wherein the box-attaching limiting indicator comprises a yellow-side box-attaching limiting indicator and a red-side box-attaching limiting indicator, wherein the yellow-side box-attaching limiting indicator is connected with a yellow-side green box-attaching limiting contact S1, a yellow-side blue box-attaching limiting contact S2 and a relay K1, and the red-side box-attaching limiting indicator is connected with a red-side green box-attaching limiting contact S3, a red-side blue box-attaching limiting contact S4 and a relay K2; The unlocking limiting indicator lamp is connected with a yellow-side green unlocking limiting contact S5, a yellow-side blue unlocking limiting contact S6, a red-side green unlocking limiting contact S7, a red-side blue unlocking limiting contact S8 and a relay K3; The locking limit indicator lamp is connected with a yellow-side green locking limit contact S9, a yellow-side blue locking limit contact S10, a red-side green locking limit contact S11, a red-side blue locking limit contact S12 and a relay K4; The 20-foot limiting indicator lamp is connected with the 20-foot limiting contact S13 and the relay K5; the 40-foot limiting indicator light is connected with the 40-foot limiting contact S14 and the relay K6.
8. The rapid detector for maintaining container spreaders of claim 1 wherein the detection control box is powered by a 220vAc power supply, and the detection control loop is connected with an aviation plug on the spreader through an aviation socket on the detection control box.

Description

Quick detector for maintaining container spreader Technical Field The utility model relates to the technical field of container spreader testing, in particular to a quick detector for maintaining a container spreader. Background The container lifting appliance is a special lifting appliance for loading and unloading containers, and is connected with top corner fittings of the containers through twistlocks at four corners of a cross beam at the end part of the special lifting appliance, and a driver operates and controls the twistlocks to open and close so as to carry out container loading and unloading operations. The container sling belongs to key equipment in the lifting work, has high use frequency and highest failure rate. It is counted that 80% of the faults occur on the spreader when handling the container. In order to reduce the failure rate of the lifting appliance and ensure the smooth running of the transportation work, each function of the lifting appliance needs to be detected regularly. The prior art has the defects that the conventional detection of the container spreader generally needs to be carried to a fixed overhaul mechanism for detection, and the detection method is time-consuming and labor-consuming, low in detection efficiency and high in detection cost. Disclosure of utility model The quick detector for maintaining the container lifting appliance provided by the utility model can realize on-site portable detection, improve the detection efficiency and reduce the detection cost. The quick detector for maintaining the container lifting appliance comprises a hydraulic control system, wherein the hydraulic control system is provided with a motor, the motor is connected with a hydraulic pump, the oil inlet end of the hydraulic pump is connected with an oil tank through an oil inlet pipe, the oil outlet end of the hydraulic pump is connected with an oil inlet of a two-way valve bank through an oil outlet pipe, an oil return port of the two-way valve bank is connected with the oil tank through an oil return pipe, a first working port and a second working port of the two-way valve bank are connected on a working circuit of a part to be detected through oil delivery pipes, and the quick detector is characterized by further comprising a detection control box, the outer side face of the detection control box is provided with a control panel, the control panel is provided with a detection switch group and a detection indication lamp group, a PLC detection control circuit is arranged in the detection control box, the PLC detection control circuit and the hydraulic control system jointly form a detection control circuit, and a detection signal receiving end of the two-way valve bank is connected with the PLC detection control circuit. Through the design, the detection work of the part to be detected is realized through the detection switch on the control panel of the detection control box, and then the detection result judgment is carried out according to the correct display of the detection indicator lamp. The detection control box is simple in structure and convenient to carry, can be carried to the site for detection, and has the characteristics of high detection efficiency and low detection cost. Preferably, the two-way valve group comprises six guide plate two-way valves, and two working ports of each guide plate two-way valve are correspondingly connected to a working loop of a guide plate hydraulic motor; The two-way valve group also comprises a telescopic two-way valve, and two working ports of the telescopic two-way valve are correspondingly connected to a working loop of the telescopic hydraulic motor; The two-way valve group further comprises two opening and closing two-way valves, and two working ports of each opening and closing two-way valve are correspondingly connected to working loops of two opening and closing hydraulic cylinders; The two-way valve group also comprises a movable two-way valve, and two working ports of the movable two-way valve are correspondingly connected to a working loop of the movable hydraulic cylinder. The six guide plate bi-directional valves are respectively a yellow side green guide plate bi-directional valve, a red side green guide plate bi-directional valve, a yellow side blue guide plate bi-directional valve, a red side blue guide plate bi-directional valve and a red guide plate bi-directional valve; The yellow side green guide plate bi-directional valve is connected with the yellow side green guide plate electromagnetic valve F5, the red side green guide plate bi-directional valve is connected with the red side green guide plate electromagnetic valve F8, the yellow guide plate bi-directional valve is connected with the yellow guide plate electromagnetic valve F6, the yellow side blue guide plate bi-directional valve is connected with the yellow side blue guide plate electromagnetic valve F7, the red side blue guide plate bi-directional valve is conne