CN114414386B - Anchor chain loading equipment and anchor chain length measuring method - Google Patents
Anchor chain loading equipment and anchor chain length measuring method Download PDFInfo
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- CN114414386B CN114414386B CN202111682081.4A CN202111682081A CN114414386B CN 114414386 B CN114414386 B CN 114414386B CN 202111682081 A CN202111682081 A CN 202111682081A CN 114414386 B CN114414386 B CN 114414386B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention provides anchor chain loading equipment which comprises a loading base, wherein the loading base comprises a connecting frame, a base, a first fixed support and a second fixed support, a loading track and a chain conveying track are arranged on the base, the chain conveying track is symmetrically arranged relative to the loading track, a chain conveying support is arranged on the chain conveying track in a sliding mode, a chain conveying clamping jaw is arranged on the chain conveying support, the loading track and the chain conveying track are arranged along the length direction of an anchor chain, a clamping device is arranged on the first fixed support, 2 loading oil cylinders are arranged on the second fixed support, a movable support is arranged on one side, away from the first fixed support, of the second fixed support, a piston rod in each loading oil cylinder is connected with the movable support, a clamping device is arranged on each movable support, and the first fixed support, the second fixed support and the movable support form a loading area. The loading oil cylinder of the loading equipment has short stroke and is suitable for anchor chains of various models. The invention also provides a measuring method of the length of the anchor chain, which is reasonable and efficient.
Description
Technical Field
The invention relates to the field of anchor chains, in particular to anchor chain loading equipment and an anchor chain length measuring method.
Background
The high-strength large-specification marine anchor chain and marine oil platform mooring anchor chain are important facilities related to the safety of ocean-going, offshore, inland river ships and marine oil platforms, because the marine anchor chain and the marine oil platform mooring anchor chain (hereinafter referred to as the anchor chain) need to work for a long time under the action of periodic load, the mechanical performance detection of the anchor chain is indispensable, relevant specifications of each classification society, relevant international standards and national standards are stipulated, tensile tests must be carried out on all chain rings according to tensile load values stipulated by different specifications and strength levels after the heat treatment of the anchor chain, five-ring length must be measured in the tensile test process in national standards GB/T549-2008 electric welding anchor chain and GB/T20848-2007 mooring chain, meanwhile, each national classification society has the inspection requirement on the five-ring length, and some foreign classification societies also put forward the requirement on-line automatic measurement of the five-ring length. When the loading equipment is used for carrying out a tension test on the anchor chain, the length of the anchor chain is measured by using a manual or automatic measuring device, but the stroke of a loading oil cylinder of the existing loading equipment is longer, so that the manufacturing cost is increased, and although the stroke of the loading oil cylinder of the existing loading equipment is shorter, the existing loading equipment cannot be used for the anchor chain with longer length, and when the anchor chain needs to be measured, a reasonable measuring area cannot be formed, the chain transmission is inconvenient, and the measuring precision is influenced by a clamping mode. Although there is a method for measuring the length of the anchor chain, there is no method for measuring the system combined with the loading device, and therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide anchor chain loading equipment, which is short in stroke of a loading oil cylinder, suitable for anchor chains of various models, and capable of forming a reasonable loading area so as to measure the length of the anchor chain in the following process, convenient for chain conveying and preventing the anchor chain from deviating from a loading track in the chain conveying process.
In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that the anchor chain loading device comprises a loading base, wherein the loading base comprises a connecting frame, a base, a first fixed support and a second fixed support, the connecting frame is symmetrically arranged, the first fixed support and the second fixed support are respectively arranged at two ends of the connecting frame, the connecting frame is respectively and fixedly connected with the first fixed support and the second fixed support, the connecting frame is arranged along the length direction of an anchor chain, a loading track and a chain conveying track are arranged on the base, the chain conveying track is symmetrically arranged relative to the loading track, a chain conveying support is arranged on the chain conveying track in a sliding mode, a chain conveying clamping jaw is arranged on the chain conveying support, the loading track and the chain conveying track are arranged along the length direction of the anchor chain, the loading track and the chain conveying track are located between the connecting frames, a clamping device is arranged on the first fixed support, 2 loading oil cylinders are arranged on the second fixed support, a movable support is arranged on one side, which is far away from the first fixed support, piston rods in the loading oil cylinders are connected with the movable supports, a clamping device is arranged on the movable support, and a movable support is formed by the first fixed support and the second fixed support.
As a preferred technical scheme: the clamping device is arranged perpendicular to the loading rail.
As a preferred technical scheme: the clamping device comprises a clamping oil cylinder, a clamping push rod, a clamping seat and a clamping block, wherein the clamping push rod is arranged in the clamping oil cylinder, the clamping seat is connected with the clamping push rod, the clamping seat is connected with the clamping block, the clamping oil cylinder on the first fixed support is fixedly connected with the first fixed support, and the clamping oil cylinder on the second fixed support is fixedly connected with the second fixed support.
As a preferred technical scheme: and a pressure sensor is arranged at the joint of the piston rod of the loading oil cylinder and the movable support.
As a preferred technical scheme: the link is formed by connecting 2 at least connection frames, and 2 adjacent connection frames pass through bolted connection, the defeated chain track includes the track board, forms defeated chain track between every 2 track boards, the track board is formed by track limiting plate and 1 at least intermediate lamella concatenation.
As a preferred technical scheme: the chain conveying clamping jaw is obliquely arranged.
As a preferable technical scheme: the chain transmission support is H-shaped, 4 pin bodies are arranged on the chain transmission support, pulleys are arranged on the pin bodies, and the 4 pin bodies of the chain transmission support are inserted into a chain transmission track.
The invention also provides a method for measuring the length of the anchor chain, which uses anchor chain loading equipment, an automatic measuring device with a laser probe, a chain transmission counter and a computer electrically connected with the automatic measuring device to measure the anchor chain, and comprises the following steps:
step 1: an operator correctly fills the first ring number and the ring number of the measuring area in an operation interface of a computer;
and 2, step: the method comprises the steps that an operator confirms an area of an anchor chain to be measured, the anchor chain is stopped to a proper position by using an auxiliary trolley, if a fixed end clamp can clamp a head ring of the measuring area, whether a clamping device on a movable support can clamp a tail ring of the anchor chain in the measuring area is observed, after the head and the tail are confirmed, an automatic mode is selected, a full-automatic button is pressed, and then the full-automatic measuring mode is started.
And 3, step 3: the chain conveying support conveys the anchor chain forward for a certain number of rings, whether a chain conveying counter is triggered or not is observed during chain conveying, if the chain conveying counter is not triggered, the chain is conveyed again until the chain conveying counter is triggered, the anchor chain is conveyed in place after the chain conveying counter is triggered, the first fixed support and the clamping device of the movable support clamp the chain rings at the same time, the loading oil cylinder is opened, and the anchor chain is pulled backward until the target tonnage is reached and the tonnage is kept;
and 4, step 4: the automatic measuring device starts from the front end of the first ring and moves to the last ring at a slow speed until the whole measuring area is completed, and all the measured values of the five-ring length in the period are transmitted to the computer and stored as a file;
and 5: after the measurement is finished, the loading oil cylinder resets to drive the movable support to return until the tonnage is unloaded to zero, and the first fixed support and the movable support simultaneously loosen the clamping device.
As a preferable technical scheme: and in the step 3, carrying out ordinary loading on the anchor chain, and carrying out PID loading and pressure maintaining on the anchor chain when the tonnage is larger than 10 until the tonnage meets the requirement and the holding time is more than 10 s.
As a preferable technical scheme: in step 5, after the measurement is completed, whether automatic circulation is needed is judged, and if the automatic circulation is needed, the step 3 is returned to continue the measurement.
The invention has the beneficial effects that: compared with the traditional structure, the anchor chain loading equipment and the anchor chain length measuring method are as follows:
1) A part of loading area is formed between the first fixed support and the second fixed support and is suitable for anchor chains with various sizes, the first fixed support is provided with a clamping device, the movable support is provided with a clamping device, and the loading oil cylinder pushes the movable support to tighten the anchor chains, so that the first fixed support and the movable support have enough loading area to facilitate the subsequent length measurement of the anchor chains, and simultaneously push the chain conveying support to convey the anchor chains to a proper position and prevent the anchor chains from deviating from a loading track.
2) Preferably, the clamping device is arranged perpendicular to the loading track, and when the anchor chain is straightened, the clamping direction of the clamping device is perpendicular to the anchor chain, so that after clamping, compared with oblique clamping, the measurement accuracy is higher.
3) Preferably, the pressure sensor measures the load and feeds back the load in time so as to adjust the load of the loading oil cylinder.
4) Preferably, two adjacent connecting frames are connected by bolts, and the length can be changed by increasing the number of connecting frames so as to load the anchor chains with different sizes.
5) Preferably, the chain conveying clamping jaw is obliquely arranged and props against the anchor chain, so that the pushing effect is better.
6) Preferably, set up to participate in and guarantee that the traffic direction of chain transmission support is unanimous with the chain transmission track, avoid the deviating chain transmission track of chain transmission support, and move more steadily.
7) The anchor chain length measuring method adopts the automatic measuring device to be matched with the anchor chain loading equipment, so that the reasonable and efficient measurement of the anchor chain length is more accurate.
Drawings
FIG. 1 is a three-dimensional view of the present invention;
FIG. 2 is a three-dimensional view of another aspect of the present invention;
FIG. 3 is an assembly view of the chain carrier and chain track;
FIG. 4 is an assembly view of the clamping device;
FIG. 5 is a view showing the construction of the base;
FIG. 6 is a top view of the present invention;
FIG. 7 is a diagram of a measurement method;
in fig. 1-7, 1, a loading base; 101. a connecting frame; 102. a base; 1021. a limiting seat; 1022. loading the rail seat; 103. a first fixed support; 104. a second fixed support; 2. loading a track; 3. a chain conveying track; 301. a track plate; 3011. a limiting plate; 3012. a middle plate; 4. a chain conveying bracket; 401. a chain conveying clamping jaw; 402. a pin; 403. a pulley; 5. a clamping device; 501. clamping the oil cylinder; 502. clamping the push rod; 503. a clamping seat; 5031. a card slot; 504. a clamping block; 6. loading an oil cylinder; 601. a piston rod; 7. a movable support; 8. a pressure sensor; 9. a roller; 10. a slide rail; 11. a tensile machine.
Detailed Description
The invention is further described below with reference to the accompanying drawings;
referring to fig. 1-7, an anchor chain loading apparatus includes a loading base 1, where the loading base 1 includes a connecting frame 101, a base 102, and a first fixing support 103 and a second fixing support 104 respectively disposed at two ends of the connecting frame 101, the connecting frame 101 is respectively fastened to the first fixing support 103 and the second fixing support 104, the connecting frame 101 is disposed along a length direction of an anchor chain, the base 102 is provided with a loading rail 2 and a conveying rail 3, the conveying rail 3 is symmetrically disposed with respect to the loading rail 2, the conveying rail 3 is slidably provided with a conveying bracket 4, the conveying bracket 4 is provided with a conveying clamping jaw 401, the loading rail 2 and the conveying rail 3 are disposed along the length direction of the anchor chain, the loading rail 2 and the conveying rail 3 are located between the connecting frame 101, the first fixing support 103 is provided with a clamping device 5, the second fixing support 104 is provided with 2 loading cylinders 6, one side of the second fixing support 104 away from the first fixing support 103 is provided with a movable support 7, a piston rod 601 in the loading cylinder 6 is connected to the movable support 103, and the movable support 601 and the movable support 103, and the second fixing support 7, and the movable support 103 and the movable support 7 are formed into a movable support 7;
the anchor chain loading equipment is matched with a tensile machine 11 to carry out a tensile test on an anchor chain, and the conventional anchor chain loading equipment has two technical schemes, wherein one scheme is that the two moving supports are pushed by a loading oil cylinder to move in opposite directions to load the anchor chain; the other type is a fixed support and a movable support, the clamping device 5 is obliquely arranged, the clamping device on the fixed support and the clamping device on the movable support are oppositely arranged to prolong the length of the test section, but the clamping device in the mode is complex in structure, in actual operation, the size span of the anchor chain is large, when a long test section is needed, the length of the test section is unrealistic only by the technical scheme, in addition, in the tension test, the length of the anchor chain needs to be measured, the technical scheme cannot form a reasonable measuring area, in addition, the two technical schemes both need to be manually used for chain conveying, and the working strength is large. The inventor forms a reasonable loading area by arranging a first fixed support 103, a second fixed support 104 and a movable support 7 so as to measure the length of an anchor chain subsequently, wherein the first fixed support 103 and the movable support 7 are provided with a clamping device 5, the clamping device 5 clamps the anchor chain, a loading oil cylinder 6 is arranged on the second fixed support 104, and the second fixed support 104 is close to the movable support 7, so that the stroke of the loading oil cylinder 6 can be reduced, the first fixed support 103 is far away from the movable support 7, and the clamping device 5 is arranged on the first fixed support 103, so that the test length of the anchor chain can be enough, and a connecting frame 101 is tightly connected with the first fixed support 103 and the second fixed support 104; the chain conveying support 4 and the chain conveying track 3 are arranged in a sliding mode, the chain conveying clamping jaw 401 is arranged on the chain conveying support 4, the anchor chain is clamped through the chain conveying clamping jaw 401, the chain conveying support 4 is pushed to slide along the chain conveying track 3, the anchor chain can be conveyed to a proper position, labor intensity is reduced, labor efficiency is improved, in the subsequent anchor chain length measurement, the number of chain conveying rings can be controlled more conveniently, the chain conveying clamping jaw 401 clamps the anchor chain, and the anchor chain can be prevented from deviating from the loading track 2; therefore, the technical scheme has the advantages that the loading area is more reasonable, the requirement of the tensile test on the length of the anchor chain test section is met, the labor intensity is reduced, the anchor chain is prevented from deviating from the loading track 2, and the number of the conveying rings can be conveniently controlled during subsequent measurement.
As shown in fig. 1 to 7, in some embodiments, the clamping device 5 is disposed perpendicular to the loading rail 2, so that the clamping direction of the clamping device 5 is perpendicular to the anchor chain, when the loading cylinder 6 is loading the anchor chain, the anchor chain is straightened, and when the length of the anchor chain needs to be measured, the measurement is performed by using an automatic measuring device, so that the measurement cannot be mistakenly measured, the clamping device 5 which is obliquely disposed is easy to slip, and after straightening, two receiving points are likely to be deviated, which affects the measurement accuracy.
As shown in fig. 1 to 7, in some embodiments, the clamping device 5 includes a clamping cylinder 501, a clamping push rod 502, a clamping seat 503 and a clamping block 504, the clamping push rod 502 is disposed in the clamping cylinder 501, the clamping seat 503 is connected to the clamping push rod 502, the clamping seat 503 is connected to the clamping block 504, the clamping cylinder 501 on the first fixing support 103 is connected to the first fixing support 103 through a bolt, the clamping cylinder 501 on the second fixing support 104 is connected to the second fixing support 104 through a bolt, specifically, a locking nut is screwed at one end of the clamping push rod 502, a clamping groove 5031 is disposed at one end of the clamping seat 503 facing the clamping push rod 502, and the locking nut is disposed in the clamping groove 5031.
As shown in fig. 1 to 7, in some embodiments, a pressure sensor 8 is disposed at a connection between a piston rod 601 of the loading cylinder 6 and the movable support 7, so that a load is fed back in time when the loading cylinder 6 is loaded, and the loading cylinder 6 is adjusted in time to meet the loading requirement.
As shown in fig. 1-7, in some embodiments, the number of the connecting frames 101 is 4, wherein 2 connecting frames 101 form one side by being connected by bolts, and the other 2 connecting frames 101 form the other side by being connected by bolts; defeated chain track 3 includes that a plurality of track boards 301,2 track boards 301 interval sets up and forms defeated chain track 3, and track board 301 is formed by 2 limiting plate 3011 and at least one intermediate lamella 3012 concatenation again, and the upper end of base 102 is equipped with spacing seat 1021, limiting plate 3011 and intermediate lamella 3012 card are established in spacing seat 1021, limiting plate 3011's one end is equipped with the recess, and the recess realizes spacingly with spacing seat 1021 cooperation, and link 101 quantity can add or reduce according to the demand to satisfy the requirement of not unidimensional anchor chain to the test segment length, improve the commonality, adjust intermediate lamella 3012's quantity simultaneously and change defeated chain track 3's length, installation and dismantlement convenience.
As shown in fig. 1-7, in some embodiments, the upper end of the base 102 is provided with a loading rail seat 1022 for placement of the loading rail 2.
As shown in fig. 1-7, in some embodiments the chain gripper 401 is arranged obliquely, the chain gripper 401 being arranged obliquely in order to better push the anchor chain.
As shown in fig. 1 to 7, in some embodiments, the chain transmission support 4 is H-shaped, 4 pins 402 are provided on the chain transmission support 4, pulleys 403 are provided on the pins 402, the 4 pins 402 of the chain transmission support 4 are inserted into the chain transmission track 3, and the pins 402 are inserted into the track to form a limit position, so that the movement track of the chain transmission support 4 is not deviated, and the pulleys 403 slide on the surface of the chain transmission track 3, so that the operation is more stable.
Referring to fig. 1-7, in some embodiments, rollers 9 are disposed on the movable support 7, sliding rails 10 are symmetrically disposed at the lower end of the movable support 7, the sliding rails 10 are in a shape of a v 21274, the rollers 9 roll in the sliding rails 10, the sliding rails 10 limit the rollers 9, and the sliding rails 10 provide a sufficient sliding distance for the movable support 7.
In some embodiments, as shown in fig. 1-7, the first fixing support 103 and the second fixing support 104 are provided with U-shaped grooves, in which the two ends of the anchor chain are prevented from deviating excessively and sliding off the loading rail 2.
As shown in fig. 1-7, in some embodiments, the piston rod 601 is flanged to the cradle 7.
As shown in fig. 1-7, in some embodiments, the load applied by the load cylinder 6 is at most 1500KN.
The invention also provides a method for measuring the length of the anchor chain, which uses anchor chain loading equipment, an automatic measuring device with a laser probe, a chain transmission counter and a computer electrically connected with the automatic measuring device to measure the anchor chain, wherein the free measuring device is a trolley loaded with the laser probe, the trolley is driven by a power source and can automatically move according to instructions, and the computer processes measured data, and the measuring method comprises the following steps:
step 1: an operator correctly fills the first ring number and the ring number of the measuring area in an operation interface of a computer;
step 2: an operator confirms an area of an anchor chain to be measured, stops the anchor chain to a proper position by using the auxiliary trolley, if a fixed end clamp can clamp the head ring of the measuring area, observes whether a clamping device 5 on the movable support 7 can clamp the tail ring of the anchor chain in the measuring area, selects an automatic mode after the head and the tail are confirmed, and enters a full-automatic measuring mode by pressing a full-automatic button;
and step 3: the chain conveying support 4 conveys the anchor chain forward for a certain number of rings, whether a chain conveying counter is triggered or not is observed during chain conveying, if the chain conveying counter is not triggered, the chain is conveyed again until the chain conveying counter is triggered, the anchor chain is conveyed in place after the chain conveying counter is triggered, the first fixed support 103 and the clamping device 5 of the movable support 7 simultaneously clamp the chain rings, the loading oil cylinder 6 is opened, and the anchor chain is pulled backwards until the target tonnage is reached and the tonnage is kept;
and 4, step 4: the automatic measuring device starts from the front end of the first ring and moves to the last ring at a slow speed until the whole measuring area is completed, the length value of each five-ring measured in the period is transmitted to the computer and stored as a file until the length of the last ring is measured, finally the total length is sent to the computer, the free measuring device returns, namely the trolley returns, and the measurement is completed;
and 5: after the measurement is finished, the loading oil cylinder 6 is reset to drive the movable support 7 to return until the tonnage is unloaded to zero, and the clamping device 5 is simultaneously loosened by the first fixed support 103 and the movable support 7.
In some embodiments, in step 3, the loading oil cylinder 6 performs ordinary loading on the anchor chain, and after the tonnage of the anchor chain is greater than 10, performs PID loading and pressure maintaining on the anchor chain until the tonnage reaches the requirement, and the retention time is more than 10 s.
In some embodiments, in step 5, it is determined whether automatic cycling is required after the measurement is completed, and if automatic cycling is required, the step 3 is returned to continue the measurement.
Example 1
An anchor chain loading device comprises a loading base 1, wherein the loading base 1 comprises a connecting frame 101, a base 102, a loading track 2 arranged on the base 102, a chain conveying track 3, a first fixed support 103 and a second fixed support 104 which are respectively arranged at two ends of the connecting frame 101, the connecting frame 101 is respectively and fixedly connected with the first fixed support 103 and the second fixed support 104, the connecting frame 101 is arranged along the length direction of an anchor chain, the chain conveying track 3 is provided with a chain conveying support 4 in a sliding manner, the chain conveying support 4 is provided with a chain conveying clamping jaw 401, the loading track 2 and the chain conveying track 3 are arranged along the length direction of the anchor chain, the first fixed support 103 is provided with a clamping device 5, the second fixed support 104 is provided with 2 loading oil cylinders 6, one side of the second fixed support 104, which is far away from the first fixed support 103, is provided with a movable support 7, a piston rod 601 in the loading oil cylinder 6 is connected with the movable support 7, the movable support 7 is provided with the clamping device 5, the first fixed support 103, the second fixed support 104 and the movable support 7 form a loading area, the clamping device 5 is arranged perpendicular to the loading track 2, the clamping device 5 comprises a clamping cylinder 501, a clamping push rod 502, a clamping seat 503 and a clamping block 504, the clamping push rod 502 is arranged in the clamping cylinder 501, the clamping seat 503 is connected with the clamping push rod 502, the clamping seat 503 is connected with the clamping block 504, the clamping cylinder 501 on the first fixed support 103 is fixedly connected with the first fixed support 103, the clamping cylinder 501 on the second fixed support 104 is fixedly connected with the second fixed support 104, a pressure sensor 8 is arranged at the joint of a piston rod 601 of the loading cylinder 6 and the movable support 7, the connecting frame 101 is formed by connecting at least 2 connecting frames, the adjacent 2 connecting frames are connected through bolts, the chain conveying track 3 comprises track plates 301, the chain conveying track 3 is formed between every 2 track plates 301, the track plate 301 is formed by splicing a track limiting plate 3011 and at least 1 intermediate plate 3012, the chain conveying clamping jaw 401 is obliquely arranged, the chain conveying support 4 is of an H shape, 4 plug pins 402 are arranged on the chain conveying support 4, pulleys 403 are arranged on the plug pins 402, and the 4 plug pins 402 of the chain conveying support 4 are inserted into the chain conveying track 3.
A method for measuring the length of an anchor chain uses anchor chain loading equipment, an automatic measuring device with a laser probe, a chain transmission counter and a computer electrically connected with the automatic measuring device to measure the anchor chain, the free measuring device is a trolley loaded with the laser probe, the trolley is driven by a power source and can automatically move according to instructions, and the computer processes measured data, wherein the measuring method comprises the following steps:
step 1: an operator correctly fills the first ring number and the ring number of the measuring area in an operation interface of a computer;
step 2: an operator confirms the area of the anchor chain to be measured, stops the anchor chain to a proper position by using the auxiliary trolley, enables the fixed end clamp to clamp the head ring of the measuring area, observes whether the clamping device 5 on the movable support 7 can clamp the tail ring of the anchor chain in the measuring area, selects an automatic mode after the head and the tail are confirmed, and presses a full-automatic button to enter the full-automatic measuring mode;
and step 3: the chain conveying support 4 conveys the anchor chain forward for a certain number of rings, whether a chain conveying counter is triggered or not is observed during chain conveying, if the chain conveying counter is not triggered, the chain is conveyed again until the chain conveying counter is triggered, the anchor chain is conveyed in place after the chain conveying counter is triggered, the chain rings are clamped by the clamping devices 5 of the first fixed support 103 and the movable support 7 at the same time, the loading oil cylinder 6 is opened, the loading oil cylinder 6 carries out ordinary loading on the anchor chain, and after the tonnage of the anchor chain is greater than 10, PID loading and pressure maintaining are carried out on the anchor chain until the tonnage reaches the requirement, and the maintaining time is more than 10 s;
and 4, step 4: the automatic measuring device starts from the front end of the first ring and moves to the last ring at a slow speed until the whole measuring area is completed, the length value of each five-ring measured in the period is transmitted to the computer and stored as a file until the length of the last ring is measured, finally the total length is sent to the computer, the free measuring device returns, namely the trolley returns, and the measurement is completed;
and 5: after the measurement is finished, the loading oil cylinder 6 is reset to drive the movable support 7 to return until the tonnage is unloaded to zero, the clamping device 5 is simultaneously loosened by the first fixed support 103 and the movable support 7, whether automatic circulation is needed or not is judged after the measurement is finished, and if the automatic circulation is needed, the step 3 is returned to continue the measurement.
The foregoing examples are given solely for the purpose of illustrating the invention and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the invention.
Claims (10)
1. An anchor chain loading device, characterized by: comprises a loading base (1), the loading base (1) comprises a connecting frame (101) and a base (102) which are symmetrically arranged, a first fixed support (103) and a second fixed support (104) which are respectively arranged at two ends of the connecting frame (101), the connecting frame (101) is respectively and tightly connected with the first fixed support (103) and the second fixed support (104), the connecting frame (101) is arranged along the length direction of an anchor chain, a loading track (2) and a chain conveying track (3) are arranged on the base (102), the chain conveying track (3) is symmetrically arranged relative to the loading track (2), a chain conveying support (4) is arranged on the chain conveying track (3) in a sliding manner, a chain conveying clamping jaw (401) is arranged on the chain conveying support (4), the loading track (2) and the chain conveying track (3) are arranged along the length direction of the anchor chain, the loading track (2) and the chain conveying track (3) are positioned between the connecting frame (101), a clamping device (5) is arranged on the first fixed support (103), a movable support (6) of the second fixed support (104), and a piston rod (7) is arranged in the movable support (601), and a clamping device (5) is arranged on the movable support (7), and the first fixed support (103), the second fixed support (104) and the movable support (7) form a loading area.
2. The chain loading apparatus as claimed in claim 1, wherein: the clamping device (5) is arranged perpendicular to the loading rail (2).
3. The chain loading apparatus as claimed in claim 1, wherein: clamping device (5) are including pressing from both sides tight hydro-cylinder (501), press from both sides tight push rod (502), press from both sides tight seat (503) and press from both sides tight piece (504), press from both sides tight push rod (502) and establish in pressing from both sides tight hydro-cylinder (501), press from both sides tight seat (503) and press from both sides tight piece (504) and be connected, press from both sides tight hydro-cylinder (501) and first fixing support (103) fastening connection on first fixing support (103), press from both sides tight hydro-cylinder (501) and second fixing support (104) fastening connection on second fixing support (104).
4. The chain loading apparatus as claimed in claim 1, wherein: and a pressure sensor (8) is arranged at the joint of a piston rod (601) of the loading oil cylinder (6) and the movable support (7).
5. The chain loading apparatus as claimed in claim 1, wherein: the number of the connecting frames (101) is 4, wherein 2 connecting frames (101) are connected through bolts to form one side, and the other 2 connecting frames (101) are connected through bolts to form the other side.
6. The chain loading apparatus as claimed in claim 1, wherein: the chain conveying clamping jaw (401) is obliquely arranged.
7. The chain loading apparatus as claimed in claim 1, wherein: the chain transmission support (4) is H-shaped, 4 plug pins (402) are arranged on the chain transmission support (4), pulleys (403) are arranged on the plug pins (402), and the 4 plug pins (402) of the chain transmission support (4) are inserted into the chain transmission track (3).
8. A method for measuring the length of an anchor chain is characterized in that: measuring an anchor chain using the anchor chain loading apparatus of any one of claims 1 to 7, an automatic measuring device with a laser probe, a chain transmission counter, a computer electrically connected to the automatic measuring device, comprising the steps of:
step 1: an operator correctly fills the first ring number and the ring number of the measuring area in an operation interface of a computer;
step 2: an operator confirms an area of an anchor chain to be measured, the anchor chain is stopped to a proper position by using the auxiliary trolley, if a fixed end clamp can be clamped to the head ring of the measuring area, whether a clamping device (5) on the movable support (7) can be clamped to the tail ring of the anchor chain in the measuring area is observed, after the heads and the tails are confirmed, an automatic mode is selected, and a full-automatic button is pressed, so that a full-automatic measuring mode is entered;
and step 3: the chain conveying support (4) conveys the anchor chain forward for a certain number of rings, whether a chain conveying counter is triggered or not is observed during chain conveying, if the chain conveying counter is not triggered, the chain is conveyed again until the chain conveying counter is triggered, the anchor chain is conveyed in place after the chain conveying counter is triggered, the chain rings are clamped by clamping devices (5) of a first fixed support (103) and a movable support (7) at the same time, a loading oil cylinder (6) is opened, and the anchor chain is pulled backwards until the target tonnage is reached and the tonnage is kept;
and 4, step 4: the automatic measuring device starts from the front end of the first ring and moves to the last ring at a slow speed until the whole measuring area is completed, and all the measured values of the five-ring length in the period are transmitted to the computer and stored as a file;
and 5: after the measurement is finished, the loading oil cylinder (6) resets to drive the movable support (7) to return until the tonnage is unloaded to zero, and the first fixed support (103) and the movable support (7) simultaneously loosen the clamping device (5).
9. The method of measuring the length of an anchor chain according to claim 8, wherein: in the step 3, the loading oil cylinder (6) carries out ordinary loading on the anchor chain, when the tonnage of the anchor chain is larger than 10, PID loading is carried out on the anchor chain, pressure maintaining is carried out until the tonnage meets the requirement, and the maintaining time is more than 10 s.
10. The method of measuring the length of an anchor chain according to claim 8, wherein: in step 5, after the measurement is completed, whether automatic circulation is needed is judged, and if the automatic circulation is needed, the step 3 is returned to continue the measurement.
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| CN116753846B (en) * | 2023-08-16 | 2023-11-21 | 江苏亚星锚链股份有限公司 | Chain length measuring device |
| CN118009843B (en) * | 2024-04-08 | 2024-06-21 | 兴化市通舟船舶设备有限公司 | Anchor chain length measuring device |
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