CN107860568B - Detection device and method suitable for container spreader test - Google Patents
Detection device and method suitable for container spreader test Download PDFInfo
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- CN107860568B CN107860568B CN201711002901.4A CN201711002901A CN107860568B CN 107860568 B CN107860568 B CN 107860568B CN 201711002901 A CN201711002901 A CN 201711002901A CN 107860568 B CN107860568 B CN 107860568B
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Abstract
The invention relates to a detection device and a detection method, in particular to a detection device and a detection method suitable for a container spreader test. The device comprises a basic platform, a hydraulic loading system and a measuring reference module, wherein the hydraulic loading system and the measuring reference module are arranged on the basic platform; the basic platform is provided with a track, the two symmetrically arranged movable gantry frames can move back and forth on the track, and the electrical control of the whole test detection device is controlled by the test operation system. Therefore, the invention has the following advantages: 1. the comprehensive detection platform can be used for carrying out multi-specification container spreader tests, and the investment of a field and detection equipment is saved. 2. Through multiple loading of single station, detection efficiency is improved. 3. And a measurement reference is adopted, so that the measurement accuracy and the measurement efficiency are improved. 4. Ground operation is adopted, the test process is convenient to observe, and the test safety is improved.
Description
Technical Field
The invention relates to a detection device and a detection method, in particular to a detection device and a detection method suitable for a container spreader test.
Background
After the container spreader is manufactured, tests such as a twist lock test, a static load test, a dynamic load test, a downwarping degree test and the like need to be completed.
The container spreader is generally used for static load and dynamic load tests by adopting containers, the container is required to be used for carrying out the static load and dynamic load tests, and the weights are arranged for uniform load and unbalance load setting so as to detect parameters such as the downwarping degree and the lock head planeness of a structural part.
The performance test of the container spreader is directly related to the safety and reliability of the spreader.
At present, standard containers mainly have several types of 10ft/20ft/30ft/40ft/45ft, wherein a lifting appliance twist lock mechanism interface mainly has three types of 10ft, 20ft (30ft) and 40ft (45ft), the application range is wide, the lifting appliance has 20ft (30ft) and 40ft (45ft), and after the manufacturing of the container lifting appliance is finished, the tests such as twist lock test, static load test, dynamic load test, downwarping degree and lock head flatness detection are mainly carried out.
When the container spreader is tested, firstly, a lock rotating test is carried out, and the operation accuracy of a lock head of a lock rotating mechanism is verified; carrying out related load tests by using weights for container loading tests, carrying out uniform load and unbalanced load setting through weight arrangement, and carrying out static load tests and dynamic load tests; and detecting parameters such as downwarping degree and lock head planeness of the structural part.
When container spreader is experimental among the prior art, verify the tapered end operation accuracy of latch mechanism earlier, pack the weight into the container dress test again and carry out relevant load test, arrange through the weight and carry out the setting of all carrying, unbalance loading to detect the degree of downwarping of structure, tapered end plane degree isoparametric.
The prior art has the following defects:
1. the container spreaders with different sizes need containers with different sizes for testing, and the test floor area is large.
2. The method needs load adjustment or replacement of containers with different loads for testing, and is low in efficiency.
3. The hanging position of the container spreader is high, and the container spreader is inconvenient to observe.
Disclosure of Invention
The technical problem of the invention is mainly solved by the following technical scheme:
a detection device suitable for a container spreader test is characterized by comprising a basic platform, a hydraulic loading system and a measurement reference module, wherein the hydraulic loading system and the measurement reference module are arranged on the basic platform; the basic platform is provided with a track, the two symmetrically arranged movable gantry frames can move back and forth on the track, and the electrical control of the whole test detection device is controlled by the test operation system.
In the above test detection device for the container spreader, the hydraulic loading system is mainly used for supporting the container spreader and simulating the loading of the spreader, and comprises a bidirectional hydraulic cylinder and a pressure adjusting device connected with the bidirectional hydraulic cylinder; the end part of the piston of the hydraulic cylinder is connected with a corner fitting structure (the corner fitting is a universal standard fitting) of the container and is used for connecting a lock head to support or load; four hanging strips used for hanging the container lifting appliance are arranged on the movable gantry frame, and the movable gantry frame is provided with a locking device which is a current universal rail locking mechanism).
In foretell a be suitable for experimental detection device of container spreader, the measuring basis module mainly used hoist is downwarp and is measured, body module including a plurality of rectangle.
The invention creatively realizes the following functions:
1. the device is a comprehensive platform which is suitable for containers with different sizes and specifications, can be loaded in an adjustable mode and is convenient to detect, and the device is firstly required to meet two widely applied standard interface container spreaders of 20ft (30ft) and 40ft (45ft) for testing;
2. when the container spreader twist lock test is carried out, the operation accuracy of the twist lock can be conveniently observed.
3. The container spreader needs to meet two working conditions of normal load and limit unbalance load during a loading test.
4. After the container spreader loading test, the parameters such as lower deflection of the side beam, the planeness of the lock head and the like are convenient.
A schematic diagram of a container spreader test detection method and apparatus is shown in fig. 3.
A detection method suitable for a container spreader test is characterized by comprising the following steps:
And 2, starting the hydraulic loading system, lifting the corner fittings to a preset height, and positioning the movable gantry frames at two ends of the basic platform.
And 3, hoisting the base platform on the container spreader, enabling the rotary lock head to fall into the corner fitting hole (the technical requirement of the rotary lock test is a general technical condition, but the whole test platform and the test method are innovative), then conducting the rotary lock test, circularly rotating the rotary lock for N times, checking the accuracy of the rotary lock action, and completing the rotary lock test, wherein N is a positive integer greater than or equal to 1.
And 4, rotating the twist lock to a lifting position, connecting the movable gantry frame and the container lifting appliance by using the lifting belt, and starting a locking device on the movable gantry frame 4 to lock the movable gantry frame on the track after adjusting the position.
And 5, inputting the uniform load, starting the hydraulic loading system, acting for M minutes, returning the hydraulic system, and completing the static load test.
And 6, inputting an unbalance load, starting the hydraulic loading system, acting for W minutes, returning the hydraulic system, and completing the dynamic load test.
And 7, removing the connection between the movable gantry frame and the sling of the container lifting appliance, and resetting the movable gantry frame to the two ends of the basic platform after the movable gantry frame is loosened.
And 8, adjusting the upper planes of all the detection reference modules to be the same horizontal plane, and measuring the lower deflection of the container spreader by using the upper planes of the detection reference modules as references.
And 9, hoisting the container spreader out, returning the hydraulic system and closing the test operation system.
Therefore, the invention has the following advantages: 1. the comprehensive detection platform can be used for carrying out multi-specification container spreader tests, and the investment of a field and detection equipment is saved. 2. Through multiple loading of single station, detection efficiency is improved. 3. And a measurement reference is adopted, so that the measurement accuracy and the measurement efficiency are improved. 4. Ground operation is adopted, the test process is convenient to observe, and the test safety is improved.
Drawings
Fig. 1a is a schematic view of a container spreader (40 ft (45ft) as an example).
FIG. 1b is a schematic top view of the structure of FIG. 1 a.
Fig. 2a is a schematic diagram of a method and an apparatus for testing a spreader.
Fig. 2b is a schematic top view of the structure of fig. 2 a.
Fig. 3a is a schematic diagram of the operation of the container spreader test detection method and apparatus of the present invention.
Fig. 3b is a schematic top view of the structure of fig. 3 a.
Fig. 4a is a schematic structural diagram of the container spreader test detection method and apparatus of the present invention.
Fig. 4b is a schematic top view of the structure of fig. 4 a.
Fig. 4c is a schematic left view of the structure of fig. 4 a.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the figure, 1-a basic platform, 2-a hydraulic loading system, 3-a measuring reference module, 4-a movable gantry frame, 5-a test operation system, 6-a container spreader, 7-a hoisting module, 8-a twist lock tapered end and 9-a hoisting body.
Example (b):
firstly, the following specific structure of the invention is introduced:
as shown in figure 1, a 1-hoisting module is connected with a steel cable of a crane, a 2-twist lock tapered end is connected with a container corner fitting, the planeness of the tapered end is detected during the test, a 3-hoisting body plays a role in integral bearing, and the downwarping degree of the 3-hoisting body is mainly measured during the test.
As shown in fig. 2, the 1-basic platform is an assembly platform of other systems of the whole device, and is provided with a hydraulic loading system assembly interface, a detection reference module positioning surface and a movable gantry frame walking track, the 2-hydraulic loading system adopts a bidirectional hydraulic acting cylinder, supports a container when acting upwards, loads when acting downwards, adjusts the load through system pressure adjustment when loading, the 3-detection reference module provides a measurement reference surface, the 4-movable gantry frame adopts motor drive, walks on the track, can self-lock on the track, and meets the integral loading rigidity. 5-test operation system is mainly used for test operation and system detection and can be operated in multiple angles by a remote controller.
As shown in fig. 3, the 1-basic platform is an assembly platform of other systems of the whole device, and is provided with a hydraulic loading system assembly interface, a detection reference module positioning surface and a movable gantry frame walking track, the 2-hydraulic loading system adopts a bidirectional hydraulic acting cylinder, a piston is connected with a corner fitting, a container is supported when the simulation container interface acts upwards, the container is loaded when the simulation container interface acts downwards, load adjustment is carried out through system pressure adjustment when the container interface acts downwards, the 3-detection reference module provides a measurement reference surface, the 4-movable gantry frame adopts motor drive and walks on the track, a hanging strip on a gantry is connected with a container hanger lifting point when the gantry frame reaches a lifting position, and the movable gantry frame is locked on the track by a locking device after the position is adjusted. 5-test operation system is mainly used for test operation and system detection and can be operated in multiple angles by a remote controller.
As shown in fig. 3, the invention provides a method and a device for testing a container spreader, which comprises a base platform 1, a hydraulic loading system 2, a testing reference module 3 and a movable gantry frame 4. The method for testing and detecting the container spreader comprises the following specific steps:
and starting the test operating system 6, detecting the states of the modules, starting the test after confirming that the states are normal, and optionally selecting the operation of a table and the operation of a remote controller during the test.
2. And starting the hydraulic loading system 2, lifting the corner fittings to a preset height, and positioning the movable gantry frames 4 at two ends of the basic platform.
3. Hang basic platform 1 on container spreader 5, the twist lock tapered end falls into the corner fittings hole, switches on after the twist lock mechanism power, carries out the twist lock experiment this moment, and the twist lock circulation rotates 50 times, and the inspection twist lock effect degree of accuracy is accomplished the twist lock experiment.
4. The twist lock is turned to the lifting position, the gantry frame 4 and the container spreader 5 are moved, and the sling is utilized
And connecting the movable gantry frame 4 and the container lifting appliance 5, adjusting the positions, and then starting a locking device on the movable gantry frame 4 to lock the movable gantry frame 4 on the track.
5. Inputting the uniform load, starting the hydraulic loading system 2, acting for 12 minutes, returning the hydraulic system, and completing the static load test.
6. Inputting an unbalance loading load, starting the hydraulic loading system 2, acting for 12 minutes, returning the hydraulic system, and completing the dynamic loading test.
7. The connection between the movable gantry frame 4 and the hanging strip of the container hanger 5 is released, and after the movable gantry frame 4 is released, the movable gantry frame 4 is reset to the two ends of the basic platform 1.
8. And measuring the lower deflection of the container spreader 5 by using the detection reference module 3.
9. The container spreader 5 is lifted out, the hydraulic system is returned, and the test operation system is closed.
Secondly, the following describes the specific case of the present invention with reference to the working mode.
The working principle of the invention is as follows: the device can meet the test of two widely applied standard interface container spreaders under different working conditions, and mainly comprises a basic platform, a measuring reference module, a hydraulic loading system, a movable gantry frame and a test operation system.
The foundation platform is used as the foundation and the reference of other modules of the whole test device; the hydraulic loading system is mainly used for supporting a container spreader and simulating loading of the spreader, and consists of 8 sets of bidirectional hydraulic cylinders, a pressure regulating device, a pipeline and related control elements, wherein pistons of the hydraulic cylinders are connected with a container corner fitting structure and are used for connecting a lock head to support or load; the measuring datum is mainly used for measuring the lower flexibility of the lifting appliance; the detection operating system is mainly used for setting a loading mode and outputting a test result; the movable gantry frame is similar to a crown block and is provided with four hanging strips for hanging a container spreader; the test operation system is mainly used for test operation and system detection and is provided with a remote controller for multi-angle operation.
The detection method for the container spreader test comprises the following steps:
the test operation system is mainly used for test operation, system detection, optional station operation and remote controller operation;
the corner fitting is lifted to a preset height by using the hydraulic loading system, the container lifting appliance falls on the base platform, the rotary lock head falls into a corner fitting hole, after the power supply of the rotary lock mechanism is switched on, the rotary lock test is carried out at the moment, the rotary lock rotates for 50 times in a circulating manner, the rotary lock action accuracy is checked, and the rotary lock test is completed.
And then the movable gantry frame and the container spreader are connected by the sling and then the movable gantry frame is locked. And starting the hydraulic loading system, setting different loads, and respectively completing a static load test and a dynamic load test.
And after the load test is relieved, the reference surface of the detection reference module is used for detecting the downwarping degree.
The basic platform of the container spreader test detection device is an assembly platform of other systems of the whole device, and provides a hydraulic loading system assembly interface, a detection reference module positioning surface and a movable gantry frame walking track; the hydraulic loading system adopts a bidirectional hydraulic acting cylinder, a piston is connected with a corner fitting, a container is supported when a simulation container interface acts upwards, loading is carried out when the simulation container interface acts downwards, and load adjustment is carried out through system pressure regulation when loading is carried out; the detection reference module provides a measurement reference surface; the movable gantry frame is driven by a motor and runs on the track, a hanging strip on the gantry is connected with a hanging point of a container hanging device when the gantry frame reaches a hanging position, and the movable gantry frame is locked on the track by using a locking device after the position is adjusted.
When in work:
starting a test operating system, detecting the state of each module, and starting a test after confirming that the state is normal; starting a hydraulic loading system, and jacking the corner fitting structure to a supporting height by a hydraulic device; lifting the container spreader onto the detection device to enable the rotary lock head to fall into the box corner fitting; repeatedly starting the container spreader twist lock mechanism for 50 times to verify the operation accuracy of the lock head; after the twist lock test is finished, when the lock head locks the corner fitting, the movable gantry frame is started, after the hanging strip is aligned with the hanging point of the hanging tool, the gantry frame is fixed, and the hanging strip is used for connecting the container hanging tool; starting the operation detection system, setting a loading value of the hydraulic system, and carrying out a loading test; and (4) utilizing the measuring reference module to load the lower deflection and the lock head planeness of the container lifting appliance.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (1)
1. A test detection method suitable for a container spreader is characterized in that based on a test detection device suitable for the container spreader, the test detection device comprises a basic platform, a hydraulic loading system arranged on the basic platform, a measurement reference module and a test operation system; the basic platform is provided with a track, the two symmetrically arranged movable gantry frames can move back and forth on the track, and the electrical control of the whole test detection device is controlled by a test operation system; the hydraulic loading system is used for supporting a container spreader and spreader analog loading, and comprises a bidirectional hydraulic cylinder and a pressure adjusting device connected with the bidirectional hydraulic cylinder; the end part of the piston of the hydraulic cylinder is connected with the corner fitting structure of the container and is used for connecting a lock head to support or load; four hanging strips for hanging a container hanger are arranged on the movable gantry frame, and the movable gantry frame is provided with a locking device; the measuring reference module is used for measuring the lower deflection of the lifting appliance and comprises a plurality of rectangular body modules;
the method comprises the following steps:
the foundation platform is used as the foundation and the reference of other modules of the whole test device; the hydraulic loading system consists of 8 sets of bidirectional hydraulic cylinders, a pressure adjusting device, a pipeline and related control elements, the test operating system is used for setting a loading mode, and test results are output; the test operation system is used for test operation and system detection and is provided with a remote controller for multi-angle operation;
the detection method for the container spreader test comprises the following steps:
firstly, lifting a corner fitting to a preset height by using a starting hydraulic loading system, enabling a container lifting appliance to fall on a base platform, enabling a rotary lock tapered end to fall into a corner fitting hole, carrying out a rotary lock test after a power supply of a rotary lock mechanism is switched on, circularly rotating the rotary lock for 50 times, checking the accuracy of the rotary lock action, and completing the rotary lock test;
then moving the movable gantry frame and the container spreader, and locking the movable gantry frame after connecting the movable gantry frame and the container spreader by using the hanging strip; starting a hydraulic loading system, setting different loads, and respectively completing a static load test and a dynamic load test;
carrying out down-deflection detection by using a reference surface of the detection reference module after the load test is removed;
the basic platform of the container spreader test detection device is an assembly platform of other systems of the whole device, and provides a hydraulic loading system assembly interface, a detection reference module positioning surface and a movable gantry frame walking track; the hydraulic loading system adopts a bidirectional hydraulic acting cylinder, a piston is connected with a corner fitting, a container is supported when a simulation container interface acts upwards, loading is carried out when the simulation container interface acts downwards, and load adjustment is carried out through system pressure regulation when loading is carried out; the detection reference module provides a measurement reference surface; the movable gantry frame is driven by a motor and runs on the track, a hanging strip on the gantry is connected with a hanging point of a container hanging device when the gantry frame reaches a hanging position, and the movable gantry frame is locked on the track by using a locking device after the position is adjusted.
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| CN102175442B (en) * | 2011-02-15 | 2012-08-01 | 上海海事大学 | Simulation test system for double-lifting double-hoister bridge crane |
| KR101285439B1 (en) * | 2013-04-15 | 2013-07-12 | 주식회사백상 | Performance Tester and the Methods of Spring Hanger |
| CN204086022U (en) * | 2014-08-08 | 2015-01-07 | 河南卫华重型机械股份有限公司 | Hoisting sling load testing machine |
| CN204807325U (en) * | 2015-04-14 | 2015-11-25 | 赤湾集装箱码头有限公司 | Hoist detects auxiliary device |
| CN206258249U (en) * | 2016-12-22 | 2017-06-16 | 青岛港国际股份有限公司港机分公司 | The special overload test device of container spreader |
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