CN215329295U - Follow-up compensation testing device of marine platform telescopic trestle - Google Patents
Follow-up compensation testing device of marine platform telescopic trestle Download PDFInfo
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- CN215329295U CN215329295U CN202120424610.XU CN202120424610U CN215329295U CN 215329295 U CN215329295 U CN 215329295U CN 202120424610 U CN202120424610 U CN 202120424610U CN 215329295 U CN215329295 U CN 215329295U
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Abstract
The utility model discloses a follow-up compensation testing device of a maritime work platform telescopic trestle, wherein a base of the telescopic trestle is mounted on a trestle carrying platform, the follow-up compensation testing device of the maritime work platform telescopic trestle comprises a lapping platform, two platform slide rails and at least two traction winches, the lapping platform is used for lapping the end part of the telescopic trestle, the two traction winches are respectively arranged in the front and back directions of the lapping platform, the lapping platform is mounted on the platform slide rails, and the lapping platform can horizontally move or laterally move relative to the trestle carrying platform along the platform slide rails. The utility model has the advantages of low test cost, small risk, convenient realization and verification significance, and is worthy of popularization and application.
Description
Technical Field
The utility model relates to the field of follow-up compensation testing of a maritime work platform telescopic trestle, in particular to a follow-up compensation testing device of the maritime work platform telescopic trestle.
Background
At present, international famous telescopic trestle manufacturers including UPTIME, Marine aluminum, Ampelmann, KenzFigee and the like mainly pass field debugging for testing and verifying mature products. For telescopic trestle manufacturers in China, the product research and development time is short, the product application experience is low, and system tests under different conditions need to be carried out to find the problems and the defects of the research and development products.
Currently, no standard/guide is provided for trestle by CCS classification society in China. In the test, the requirements of classification societies such as DNV and ABS are often referred to. As specified in specification DNVGL-ST-0358, field commissioning includes functional testing, load testing, appearance checking, and identification checking.
Aiming at trestle equipment, the function test generally comprises the following tests of expansion, rotation, amplitude variation, active emergency lifting and lap joint follow-up compensation. The landing stage follow-up compensation means that the landing stage is lapped between two platforms, or between the platform and a ship, when external forces such as waves cause relative motion, the landing stage is adjusted to adapt to the change of the relative motion through amplitude, angle and length, so that the landing stage is relatively stable, and the function is a core technology for realizing the safe operation of the landing stage.
At present, verification of a trestle follow-up compensation function generally adopts two modes of a real ship lap joint test and a shore crane lap joint test, and has advantages and disadvantages of different degrees.
The actual working condition is perfectly verified by the real ship test, but the practical working condition is disadvantageous in that a platform or a ship which is provided with a lap joint space such as a topsides and a deck surface and matched with each other needs to be rented on a trestle bearing test platform, and the cost is very high except that the rented platform and the ship are difficult to meet the test conditions (such as the difference of the topsides).
In China, a team tries to park a trestle bearing platform at a wharf, and lifts a tooling platform by using a shore crane, so that the trestle is lapped on the platform. This scheme low price, but the frock platform is extremely unstable, and the safety risk is big, and when carrying out emergent breaking away from the test, the landing stage lifts up the back and very easily takes place to interfere with the hoist cable of loop wheel machine, brews major accident.
Therefore, a test device which is safe, simple and easy to implement is urgently needed in a follow-up compensation function test in a trestle offshore test.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to solve the problem that the telescopic trestle follow-up compensation function is difficult to test, and provides a follow-up compensation testing device of a marine platform telescopic trestle, which has the advantages of low test cost, small risk, convenience in implementation and verification significance.
In order to achieve the purpose, the utility model provides a follow-up compensation testing device for a telescopic trestle of a maritime work platform, which is characterized in that a base of the telescopic trestle is mounted on a trestle carrying platform, the follow-up compensation testing device for the telescopic trestle of the maritime work platform comprises a lapping platform, two platform slide rails and at least two traction winches, wherein the lapping platform is used for lapping the end part of the telescopic trestle, the two traction winches are respectively arranged in the front and back directions of the lapping platform, the lapping platform is mounted on the platform slide rails, and the lapping platform can horizontally move or laterally move relative to the trestle carrying platform along the platform slide rails.
According to a further technical scheme, the lapping platform comprises a platform frame, a deck is arranged at the top of the platform frame, a plurality of landing cone baffles are welded on the deck and used for compensating friction force between a landing cone of the telescopic trestle and the deck, and when the lapping platform moves, the landing cone is pushed to move in an auxiliary mode.
According to a further technical scheme, a plurality of mounting lifting lugs are welded on the deck.
The further technical scheme of the utility model is that the deck is provided with an inspection manhole.
The further technical scheme of the utility model is that the inspection manhole is a waist circle with the size of 400mm x 600 mm.
According to a further technical scheme, traction lifting lugs are welded at the front end and the rear end of the platform frame respectively, and the two traction winches are connected with the corresponding traction lifting lugs through traction ropes respectively.
According to a further technical scheme, the lap-joint platform further comprises a maintenance stair welded on the platform frame.
The further technical scheme of the utility model is that a plurality of moving wheels are welded at the bottom of the platform frame.
The further technical scheme of the utility model is that the platform track is formed by channel steel.
The follow-up compensation testing device of the telescopic trestle of the marine platform has the beneficial effects that:
1. the structure is simple, the installation, the use and the disassembly are easy, and the production and manufacturing cost is low;
2. the device can be placed on the open deck surface of a trestle carrying platform, and can also be placed in a wharf area (under the condition of matching a freeboard), no obstacles exist around the trestle carrying platform, and the trestle lapping and testing process is simple and easy to implement;
3. the safety is controllable, the influence of test environment conditions is not easy to happen, and safety accidents in the test process can be effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a following compensation testing apparatus of a marine platform telescopic trestle according to a preferred embodiment of the present invention;
FIG. 2 is a front view of the landing;
FIG. 3 is a side view of the landing;
FIG. 4 is a top view of the landing;
FIG. 5 is a perspective view of the landing;
FIG. 6 is a schematic diagram of a lap joint test of a preferred embodiment of the follow-up compensation testing device of the marine platform telescopic trestle of the present invention;
FIG. 7 is a schematic view of a servo compensation simulation of the servo compensation testing apparatus of the present invention;
FIG. 8 is a top view of the servo compensation simulation of the preferred embodiment of the servo compensation testing device of the telescopic trestle of the marine platform of the present invention.
The reference numbers illustrate:
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a follow-up compensation testing device for a telescopic trestle of a marine platform, which is mainly used for a follow-up compensation function test of a large wave compensation telescopic trestle and belongs to the field of ocean engineering.
Specifically, referring to fig. 1 to 8, a base of the telescopic trestle 1 is mounted on a trestle carrying platform 2, and a preferred embodiment of the servo compensation testing device of the telescopic trestle of the marine platform of the present invention includes a lapping platform 3, two platform rails 4, and at least two traction winches, wherein the lapping platform 3 is used for lapping an end of the telescopic trestle 1, and the two traction winches are respectively disposed in a front-rear direction of the lapping platform 3, for example, a first traction winch 5 of the two traction winches is disposed in front of the lapping platform 3, and a second traction winch 6 is disposed behind the lapping platform 3.
The lap-joint platform 3 is installed on the platform track 4, and the lap-joint platform 3 can move horizontally or laterally relative to the trestle carrying platform 2 along the platform track 4.
In view of the fact that the core of the follow-up compensation is that the trestle changes along with the change of the relative motion between two overlapped objects, the function test of the follow-up compensation can be realized only by arranging another movable platform which moves relative to the trestle carrying platform 2, therefore, the lap-joint platform 3 and the two platform rails 4 are arranged in the embodiment, and the lap-joint platform 3 can move horizontally or laterally relative to the trestle carrying platform 2 along the platform rails 4.
Wherein the two traction winches are retracted one by one to perform alternate functions with the test conditions, the traction winches should have sufficient tension (typically 5t and above) to overcome the friction between the landing platform 3 and the platform rail 4. The traction winch comprises a steel wire rope, and the safe working load is matched with the pulling force of the traction winch.
This embodiment pulls the lapped platform 3 through the winch and removes, and the lapped relative motion of simulation real ship carries out the follow-up compensation function test of the scalable landing stage of marine platform, compares in the current real ship overlap joint compensation test and bank hang the overlap joint compensation test, has following advantage:
1. the test device of the embodiment has simple structure, easy installation, use and disassembly and low production and manufacturing cost;
2. the test device of the embodiment can be placed on the open deck surface of the trestle carrying platform 2, and can also be placed in a wharf area (under the condition of matching of a freeboard), no obstacles are arranged around the trestle carrying platform, and the trestle lapping and testing process is simple and easy to implement;
3. the test device of this embodiment is safe controllable, is difficult for receiving experimental environmental condition influence, can effectively avoid the emergence of test process incident.
In this embodiment, the lapping platform 3 includes the platform frame 7, the top of platform frame 7 is provided with the deck, the welding has a plurality of landing awl baffles 8 on the deck, a plurality of landing awl baffles 8 are used for compensating the landing awl of scalable trestle 1 with the frictional force on deck, work as when the lapping platform 3 moves, supplementary promotion the landing awl removes.
In this embodiment, the platform frame 7 is formed by welding a plurality of steel structural beams to form the bearing main body of the lap joint platform 3, and a steel deck is arranged at the top of the bearing main body to bear the landing cone of the telescopic trestle 1.
The landing cone baffle plates 8 are 4 blocks in total, are steel ear plates, are welded on the deck surface at the top of the platform frame 7 and are used for compensating the friction force between the landing cone and the steel deck at the top of the platform frame 7, and when the lap joint platform 3 moves, the landing cone is assisted to be pushed to move.
A plurality of mounting lugs 9 are welded on the deck.
As an implementation manner, four mounting lifting lugs 9 are distributed at four corners of the top plane of the platform frame 7, and are connected with the top of the platform frame 7 by welding for hoisting the lapping platform 3.
In this embodiment, the deck is provided with an access manhole 10. Wherein, the manhole 10 is a waist circle with the size of 400mm 600 mm. The manhole 10 facilitates the loading and unloading of steel decks by operators.
In this embodiment, the front end and the rear end of the platform frame 7 are respectively welded with traction lifting lugs 11, and the two traction winches are respectively connected with the corresponding traction lifting lugs 11 through traction ropes.
The two traction lifting lugs 11 are made of steel and are connected with the middle regions of the head and the tail of the bottom of the platform frame 7 in a welding mode, and the traction winch pulls the traction lifting lugs 11 through a steel wire rope to realize the movement of the lap joint platform 3 relative to the platform track 4.
The landing 3 also includes a service stairway 12 welded to the landing frame 7.
As an embodiment, the service stairway 12 is formed by welding steel structures, and the end part of the service stairway is welded on the platform frame 7, so that an operator can conveniently go up and down the service stairway 12.
In this embodiment, a plurality of moving wheels 13 are welded to the bottom of the platform frame 7.
As an embodiment, in this embodiment, remove wheel 13 totally six, set up in four corners and middle part of platform frame 7 below, remove wheel 13 through round pin hub connection on the otic placode of both sides, the otic placode then through the welding with the steel construction roof beam of platform frame 7 below is connected, under the exogenic action, remove wheel 13 and can rotate for the round pin axle, thereby realize the removal of overlap joint platform 3.
Further, in this embodiment, the platform rail 4 is formed by a channel steel, and the moving wheel 13 is placed in the channel steel and moves relatively in the channel steel along with an external force.
The working principle of the follow-up compensation testing device of the marine platform telescopic trestle is explained in detail below.
As shown in fig. 6, when a follow-up compensation test of the telescopic trestle 1 is performed, the telescopic trestle 1 is extended to a working length and then bends downward, a landing cone of the telescopic trestle is lapped on the top of the lapping platform 3, and an operator of the telescopic trestle starts a lapping mode.
As shown in fig. 7 to 8, two traction winches are pulled and placed one by one to pull the lap-joint platform 3 to move horizontally or laterally, and the telescopic arm of the trestle moves under the action of the friction force of the steel deck of the lap-joint platform 3 and the thrust of the landing cone baffle 8, so that the change of the extension length, the rotation angle and the argument of the telescopic trestle relative to the initial position is generated, the test state of the trestle is observed, and the purpose of the follow-up compensation test of the telescopic trestle 1 is achieved.
The follow-up compensation testing device of the telescopic trestle of the marine platform has the beneficial effects that:
1. the structure is simple, the installation, the use and the disassembly are easy, and the production and manufacturing cost is low;
2. the device can be placed on the open deck surface of a trestle carrying platform, and can also be placed in a wharf area (under the condition of matching a freeboard), no obstacles exist around the trestle carrying platform, and the trestle lapping and testing process is simple and easy to implement;
3. the safety is controllable, the influence of test environment conditions is not easy to happen, and safety accidents in the test process can be effectively avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a follow-up compensation testing arrangement of scalable landing stage of marine platform, a serial communication port, the base of scalable landing stage is carried on landing stage carries on the platform, the follow-up compensation testing arrangement of scalable landing stage of marine platform includes overlap joint platform, two platform slide rails, two at least traction winch, wherein the overlap joint platform is used for the overlap joint scalable landing stage's tip, two traction winch branch are located the fore-and-aft direction of overlap joint platform, the overlap joint platform install in on the platform slide rail, the overlap joint platform can be followed the platform slide rail for landing stage horizontal motion or lateral motion are carried to the landing stage.
2. The follow-up compensation testing device of marine platform telescopic trestle of claim 1, characterized in that the lapping platform comprises a platform frame, the top of the platform frame is provided with a deck, a plurality of landing cone baffles are welded on the deck, the landing cone baffles are used for compensating the friction force between the landing cone of the telescopic trestle and the deck, and when the lapping platform moves, the lapping platform assists in pushing the landing cone to move.
3. The marine platform telescopic trestle follow-up compensation testing device of claim 2, wherein a plurality of mounting lugs are welded on the deck.
4. The offshore platform telescopic trestle follow-up compensation testing device of claim 2, wherein a service manhole is arranged on the deck.
5. The marine platform telescopic trestle follow-up compensation testing device of claim 4, wherein the service manhole is a waist circle with a size of 400mm x 600 mm.
6. The marine platform telescopic trestle follow-up compensation testing device as claimed in claim 2, wherein traction lifting lugs are welded to the front end and the rear end of the platform frame respectively, and the two traction winches are connected with the corresponding traction lifting lugs through traction ropes respectively.
7. The marine platform telescopic trestle follow-up compensation testing device of claim 2, wherein the landing further comprises a service stair welded to the platform frame.
8. The marine platform telescopic trestle follow-up compensation testing device of claim 2, wherein a plurality of moving wheels are welded at the bottom of the platform frame.
9. The marine platform telescopic trestle follow-up compensation testing device of claim 1, wherein the platform slide rail is composed of channel steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120424610.XU CN215329295U (en) | 2021-02-26 | 2021-02-26 | Follow-up compensation testing device of marine platform telescopic trestle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120424610.XU CN215329295U (en) | 2021-02-26 | 2021-02-26 | Follow-up compensation testing device of marine platform telescopic trestle |
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| CN215329295U true CN215329295U (en) | 2021-12-28 |
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| CN202120424610.XU Active CN215329295U (en) | 2021-02-26 | 2021-02-26 | Follow-up compensation testing device of marine platform telescopic trestle |
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