Wood pattern anchor pulling bench test device and test method

Abstract

The invention provides a wood pattern anchor pulling bench test device and test method. The wood pattern anchor pulling bench test device comprises a test bench for carrying a simulation ship body and an anchor system, the simulation ship body and a hawse pipe, and positioning and posture adjustment of the hawse pipe and an anchor mouth are completed through a push rod; the angle of the anchor mouth around the axis of the hawse pipe is adjusted by adjusting the initial butt joint position of the anchor mouth and the hawse pipe; under the working conditions of different hawse pipe and anchor mouth positioning and postures, the smooth condition of anchor lifting and dropping, the interference condition of an anchor fluke and a ship body outer plate on a rack and the fitting condition of an anchor and an anchor mouth are tested; a push rod is used for completing adjustment of transverse and longitudinal inclination angles of a simulated ship body, and transverse inclination and longitudinal inclination postures on the sea are simulated through combined adjustment of the transverse inclination angles and the longitudinal inclination angles of an anchor pulling test bed to carry out an anchor pulling and dropping test; by means of the angle indicating dial, the initial anchor weighing angle can be adjusted within the range of 0-180 degrees in the plane, the random anchor weighing angle is simulated to conduct the anchor pulling test, and by means of the onshore adjustable wood mold anchor pulling test, the correctness of anchor system design and the reasonability of installation are verified.

Description

Technical Field

[0001] The invention belongs to the technical field of anchor device design, and in particular relates to a wooden formwork anchor bench test device and a test method. Background Art

[0002] The design of anchor systems for large surface vessels is challenging. To verify the rationality of the anchor chain barrel layout and anchor lip design and mitigate potential risks during subsequent installation and operation, wooden model anchor pulling tests and research are necessary. Traditional wooden model anchor pulling rig tests and test methods primarily verify the compatibility of the anchor and anchor lip when the vessel is in an ideal horizontal position. These tests lack verification of the compatibility of the anchor and anchor lip under the vessel's heel and pitch attitudes, as well as under multiple anchor chain barrel assembly positions and angles. Flaws in the anchor system design are only revealed during the onboard installation and testing phases. Once a problem occurs, rectification is difficult and labor-intensive, delaying the project. Summary of the Invention

[0003] The present invention addresses the aforementioned issues by providing a wooden formwork anchor test bench and testing method. The wooden formwork of the anchor system components is assembled on the test bench to verify the compatibility of the various anchor system components (anchor, anchor chain barrel, and anchor lip). After assembly, the anchor and anchor chain are pulled from the test bench using a pulling device, and relevant data is measured.

[0004] The embodiment of the present application is implemented as follows: An embodiment of the present application provides a wooden model anchor pulling bench test device, which is characterized in that it includes a simulated hull bench, a pitch adjustment device, a roll adjustment device, a traction device, an anchor system and a control console, wherein the simulated hull bench includes a simulated hull and a test bench, which are connected through the pitch adjustment device and the roll adjustment device, and the roll and pitch angles of the simulated hull are adjusted according to the requirements of the anchor pulling test working conditions; the anchor system includes an anchor chain barrel and an anchor lip, the anchor lip is connected and fixed to the bottom end of the anchor chain barrel by a flange, and the anchor chain barrel is connected to the simulated hull through the anchor chain barrel adjustment assembly; the traction device is installed on the simulated hull and connected to the anchor chain; the console is installed on the simulated hull and electrically connected to the pitch adjustment device, the roll adjustment device and the traction device.

[0005] In some optional embodiments, an anchor angle indicator plate is provided on the test bench at a position corresponding to the anchor chain tube.

[0006] In some optional embodiments, the longitudinal inclination adjustment device includes an adjustable bearing seat and a rotating shaft, and the rotating shaft is symmetrically arranged on both sides of the simulated hull and is hinged to the adjustable bearing seat on the corresponding side, and the adjustable bearing seat is arranged on the test bench.

[0007] In some optional embodiments, the heel adjustment device is a platform push rod, the platform push rod is fixed on the test platform, and the telescopic end of the push rod is connected to the bottom of the simulated hull.

[0008] In some optional embodiments, the anchor chain barrel adjustment assembly includes an anchor chain barrel fixing bracket, an anchor chain barrel deflection bracket, an anchor chain barrel deflection push rod and an anchor chain barrel pitching push rod, the anchor chain barrel fixing bracket is hinged to the simulated hull, both sides of the anchor chain barrel are hinged to the anchor chain barrel fixing bracket through a rotating shaft, the anchor chain barrel deflection bracket is fixed to the simulated hull, the two ends of the anchor chain barrel deflection push rod are respectively hinged to the anchor chain barrel deflection bracket and the anchor chain barrel, the anchor chain barrel deflection push rod pushes the anchor chain barrel to drive the anchor chain barrel fixing bracket to rotate around the simulated hull, thereby adjusting the pitch angle of the anchor chain barrel, the two ends of the anchor chain barrel pitching push rod are respectively hinged to the anchor chain barrel fixing bracket and the anchor chain barrel, and the anchor chain barrel pitching push rod pushes the anchor chain barrel to rotate around the anchor chain barrel fixing bracket to adjust the inclination angle of the anchor chain barrel section.

[0009] In some optional embodiments, the adjustable bearing seat includes a rectangular support seat, a sliding bearing seat, a transverse screw and a longitudinal screw. The rectangular support seat includes an outer fixed frame and an inner sliding frame. Transverse slide rails are laid on the upper and lower inner walls of the outer fixed frame. The inner sliding frame is provided with corresponding transverse sliders. Longitudinal sliders are provided on the left and right sides of the sliding bearing seat. Corresponding longitudinal slide rails are provided on the left and right side walls of the inner sliding frame. The transverse screw is fixed on the outer fixed frame and connected to the inner sliding frame, driving the inner sliding frame to move transversely. The longitudinal screw is fixed on the inner sliding frame and connected to the sliding bearing seat, driving the sliding bearing seat to move longitudinally.

[0010] In some optional embodiments, the traction device is a traction winch, and the traction winch is connected to the anchor chain by configuring a wire rope and a guide wheel.

[0011] A test method for a wooden formwork anchor test device, characterized by comprising the following steps: Step a, Anchor assembly adjustment: The operator completes the initial positioning of the anchor system by adjusting the anchor chain barrel deflection bracket and the anchor chain barrel fixed bracket, and completes the relative angle positioning by adjusting the docking position of the anchor chain barrel and the anchor lip flange. The operator controls the extension and retraction of the anchor chain barrel pitch push rod and the anchor chain barrel deflection push rod through the console to complete the position and attitude adjustment of the anchor chain barrel and the anchor lip. If the operating conditions are met, the operator simulates the hull stand heel and pitch angle adjustment. If not, the operator repeats the anchor system assembly adjustment. Step b, simulate the adjustment of the hull stand's heel and pitch angles: The operator adjusts the platform push rod extension and retraction to complete the simulated hull heel and pitch angle adjustment, simulating the combination of heel and pitch posture at sea. If the operating conditions are met, the anchoring test is carried out. If not, the simulated hull platform heel and pitch angle adjustment is repeated. Step c: Operate the traction winch to perform the anchor hoisting test: The console controls the traction device to raise and lower the anchor at a set speed. The process of raising and lowering the anchor is recorded. Photos of the contact points between the anchor and the anchor lip are taken on both sides. The positioning and posture of the anchor chain barrel and the anchor lip are recorded. The ship's heel and pitch angles are simulated. Multiple sets of anchor raising and lowering control tests are carried out. Step d, test result analysis: The smoothness of anchoring, the interference between the anchor claw and the simulated hull on the test bench, and the fit between the anchor and the anchor lip are checked to verify the correctness of the anchor system design and meet the needs of actual ship installation.

[0012] In some optional embodiments, before the anchoring test, the anchoring angle indicator is placed directly below the anchor, aligned with the marking line in the anchor width direction, and the initial angle of the anchor is adjusted to simulate the changes in different initial anchoring angle states.

[0013] In some optional embodiments, the initial angle ranges from 0° to 180°.

[0014] The beneficial effects of this application are as follows: The application provides a wooden model anchor test bench test device and test method. Through this test method, a wooden model anchor test bench is constructed before installation on a real ship. A scaled-down wooden model anchor system is installed and tested on the bench. By inspecting the installation of the anchor chain barrel and anchor lip, and comparing the installation positioning and anchoring postures of different anchor chain barrels and anchor lips, the correctness of the anchor system layout and the rationality of multiple installation angle solutions are verified. This allows the rationality of the design and installation positioning of the anchor system to be verified before installation on a real ship, exposing anchor system design problems in advance and reducing risks after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a front view of the wooden formwork anchor test bench device according to an embodiment of the present application; Figure 2 A side view of a wooden formwork anchor test bench device according to an embodiment of the present application; Figure 3This is a front view of the anchor chain barrel adjustment assembly according to an embodiment of the present application; Figure 4 A top view of the anchor chain barrel adjustment assembly according to an embodiment of the present application; Figure 5 This is a block diagram of the working principle of the console in an embodiment of the present application; Figure 6 This is a test flow chart of the wooden formwork anchor bench test device according to an embodiment of the present application. DETAILED DESCRIPTION

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without making any creative efforts shall fall within the scope of protection of the present application.

[0019] It should be understood that the size of the serial numbers of the steps in the embodiment does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0021] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0022] Terms such as "transverse," "longitudinal," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" indicate orientations or positional relationships based on those shown in the accompanying drawings. These terms are used solely to facilitate the description of this application and to simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0024] The features and performance of the present application are further described in detail below with reference to the embodiments.

[0025] Example 1 like Figure 1 、 Figure 2 As shown, this embodiment discloses a wooden model anchor pulling bench test device, including a simulated hull bench 1, a pitch adjustment device 2, a roll adjustment device 3, a traction device 4, an anchor system 5 and a control console 6. The simulated hull bench includes a simulated hull 11 and a test bench 12. The simulated hull and the test bench are connected by the pitch adjustment device and the roll adjustment device. The roll and pitch angles of the simulated hull are adjusted according to the requirements of the anchor pulling test working conditions, and the roll and pitch postures at sea can be simulated to perform anchoring tests.

[0026] The anchor system includes a chain barrel 51 and an anchor lip 52. The anchor lip is fixed to the bottom end of the chain barrel by a flange. The angle of the anchor lip is adjusted by adjusting the docking angle between the anchor lip and the flange of the chain barrel. The chain barrel is connected to the simulated hull through the chain barrel adjustment component 53. The chain barrel adjustment component adjusts the angle of the chain barrel by pushing the chain barrel.

[0027] The traction device is installed on the simulated hull and connected to the anchor chain. It is preferably a traction winch. The traction winch is connected to the anchor chain by configuring a wire rope and a guide wheel to implement anchor lifting and traction.

[0028] The control console is installed on the simulated hull and is electrically connected to the longitudinal tilt adjustment device, the transverse tilt adjustment device and the traction device.

[0029] Furthermore, on the test bench, an anchoring angle indicator plate 7 is provided on the bench ground corresponding to the position of the anchor chain tube, which can adjust the initial anchoring angle within the range of 0-180 degrees on the plane to simulate a random anchoring angle for anchor pulling test.

[0030] Furthermore, the trim adjustment device includes an adjustable bearing seat 21 and a rotating shaft 22. The rotating shaft is symmetrically arranged on both sides of the simulated hull and is hinged to the adjustable bearing seat on the corresponding side. The adjustable bearing seat is installed on the test bench.

[0031] Furthermore, the heel adjustment device is a platform push rod, which is fixed on the test platform, and the telescopic end of the push rod is connected to the bottom of the simulated hull.

[0032] The heel and pitch swing of the simulated hull on the test bench is achieved through the horizontal and vertical adjustment of the adjustable slider bearing seat and the telescopic adjustment of the platform push rod.

[0033] Example 2 In this embodiment, if Figure 3 、 Figure 4 As shown, the anchor chain tube adjustment assembly includes an anchor chain tube fixing bracket 531, an anchor chain tube deflection bracket 532, an anchor chain tube deflection push rod 533, and an anchor chain tube pitching push rod 534. The anchor chain tube fixing bracket is hinged to the simulated hull. Both sides of the anchor chain tube are hinged to the anchor chain tube fixing bracket via a rotating shaft. The anchor chain tube deflection bracket is fixed to the simulated hull. The two ends of the anchor chain tube deflection push rod are respectively hinged to the anchor chain tube deflection bracket and the anchor chain tube. The anchor chain tube deflection push rod pushes the anchor chain tube to drive the anchor chain tube fixing bracket to rotate around the simulated hull to adjust the pitch angle of the anchor chain tube. The two ends of the anchor chain tube pitching push rod are respectively hinged to the anchor chain tube fixing bracket and the anchor chain tube. The anchor chain tube pitching push rod pushes the anchor chain tube to rotate around the anchor chain tube fixing bracket to adjust the inclination angle of the anchor chain tube section.

[0034] Example 3 In this embodiment, the adjustable bearing seat includes a rectangular support seat 211, a sliding bearing seat 212, a transverse screw 213 and a longitudinal screw 214. The rectangular support seat includes an outer fixed frame 2111 and an inner sliding frame 2112. Transverse slide rails are laid on the upper and lower inner walls of the outer fixed frame, and the inner sliding frame is provided with corresponding transverse sliders. Longitudinal sliders are provided on the left and right sides of the sliding bearing seat, and corresponding longitudinal slide rails are provided on the left and right side walls of the inner sliding frame. The transverse screw is fixed on the outer fixed frame and connected to the inner sliding frame, driving the inner sliding frame to move transversely. The longitudinal screw is fixed on the inner sliding frame and connected to the sliding bearing seat, driving the sliding bearing seat to move longitudinally.

[0035] Example 4 In this embodiment, the control console includes a signal acquisition unit, a logic control unit, a display, an alarm and an operation panel (see Figure 5The display is used to show the equipment status, the alarm is used for alarm prompts, and the operation panel is used for operators to input operation instructions; the signal acquisition unit is used to collect and identify the status information of the adjustable bearing seat, longitudinal adjustment device, heel adjustment device, anchor chain barrel pitch push rod, anchor chain barrel yaw push rod, and traction device.

[0036] like Figure 6 As shown, the test method using the above-mentioned wooden formwork anchor test device includes the following steps: S01, anchor system assembly and adjustment: the operator completes the initial positioning of the anchor system by adjusting the position of the anchor chain barrel deflection bracket and the anchor chain barrel fixed bracket, completes the relative angle positioning by adjusting the flange docking position of the anchor chain barrel and the anchor lip, and controls the anchor chain barrel pitch push rod and the anchor chain barrel deflection push rod through the console to complete the position and attitude adjustment setting of the anchor chain barrel and anchor lip.

[0037] S02, anchor assembly inspection, if it meets the operating conditions, simulate the hull stand heel and pitch angle adjustment, if it does not meet the operating conditions, repeat the anchor assembly adjustment.

[0038] S03 simulates the adjustment of the heel and pitch angles of the hull test bench. The operator adjusts the extension and retraction of the platform push rod and the adjustable bearing seat through the operation panel of the console to complete the adjustment of the simulated heel and pitch angles of the hull and simulate the combination of heel and pitch postures at sea.

[0039] S04, simulate the hull test bench assembly inspection, if it meets the operating conditions, carry out the anchor test, if it does not meet the operating conditions, repeat the simulated hull test bench heel and pitch angle adjustment.

[0040] S05, operating the traction device to perform an anchor lifting and anchor dropping test, and controlling the traction device to lift and drop the anchor at a set speed through the console.

[0041] S06, record the video of the process of raising and dropping the anchor, and take photos of the points where the anchor and the anchor lip meet on both sides.

[0042] S07, repeating steps S01 to S06, positioning and adjusting the anchor chain barrel and anchor lip, simulating the adjustment of the hull's heel and pitch, recording the combined working conditions of the anchor chain barrel, anchor lip, and simulated hull, and conducting multiple groups of anchoring control tests.

[0043] S08, test result analysis, checking the smoothness of anchoring, the interference between the anchor claw and the hull plating on the simulated hull, and the fit between the anchor and the anchor lip, to verify the correctness of the anchor system design and meet the needs of actual ship installation.

[0044] Furthermore, in step S05, before the anchoring test, the anchoring angle indicator plate is placed directly below the anchor, and the anchor width symmetry line is aligned with the marking line. The initial angle of the anchor is adjusted in the range of 0-180° to simulate the change of different initial anchoring angle states, and the initial angle state is recorded to simulate the random anchoring angle anchoring test.

Claims

1. A wooden formwork anchor test bench device, characterized in that: It includes a simulated hull test bench, a pitch adjustment device, a roll adjustment device, a traction device, an anchor system and a control console. The simulated hull test bench includes a simulated hull and a test bench, which are connected through the pitch adjustment device and the roll adjustment device to adjust the roll and pitch angles of the simulated hull according to the requirements of the anchor pulling test conditions; the anchor system includes a chain barrel and an anchor lip, the anchor lip is connected and fixed to the bottom end of the chain barrel through a flange, and the chain barrel is connected to the simulated hull through the chain barrel adjustment assembly; the traction device is installed on the simulated hull and connected to the anchor chain; the control console is installed on the simulated hull and electrically connected to the pitch adjustment device, the roll adjustment device and the traction device.

2. A wooden formwork anchor test device according to claim 1, characterized in that: On the test bench, an anchor angle indicator plate is provided at a position corresponding to the anchor chain tube.

3. A wooden formwork anchor test device according to claim 1 or 2, characterized in that: The trim adjustment device includes an adjustable bearing seat and a rotating shaft. The rotating shaft is symmetrically arranged on both sides of the simulated hull and is hinged to the adjustable bearing seat on the corresponding side. The adjustable bearing seat is installed on the test bench.

4. A wooden formwork anchor test bench device according to claim 3, characterized in that: The heel adjustment device is a platform push rod, which is fixed on the test platform, and the telescopic end of the push rod is connected to the bottom of the simulated hull.

5. A wooden formwork anchor test device according to claim 4, characterized in that: The anchor chain tube adjustment assembly includes an anchor chain tube fixing bracket, an anchor chain tube deflection bracket, an anchor chain tube deflection push rod and an anchor chain tube pitching push rod. The anchor chain tube fixing bracket is hinged to the simulated hull, and both sides of the anchor chain tube are hinged to the anchor chain tube fixing bracket through a rotating shaft. The anchor chain tube deflection bracket is fixed to the simulated hull, and both ends of the anchor chain tube deflection push rod are respectively hinged to the anchor chain tube deflection bracket and the anchor chain tube. The anchor chain tube deflection push rod pushes the anchor chain tube to drive the anchor chain tube fixing bracket to rotate around the simulated hull to adjust the pitch angle of the anchor chain tube. The two ends of the anchor chain tube pitching push rod are respectively hinged to the anchor chain tube fixing bracket and the anchor chain tube. The anchor chain tube pitching push rod pushes the anchor chain tube to rotate around the anchor chain tube fixing bracket to adjust the inclination angle of the anchor chain tube section.

6. A wooden formwork anchor test bench device according to claim 3 or 5, characterized in that: The adjustable bearing seat includes a rectangular support seat, a sliding bearing seat, a transverse screw and a longitudinal screw. The rectangular support seat includes an outer fixed frame and an inner sliding frame. Transverse slide rails are laid on the upper and lower inner walls of the outer fixed frame. The inner sliding frame is provided with corresponding transverse sliders. Longitudinal sliders are provided on the left and right sides of the sliding bearing seat. Corresponding longitudinal slide rails are provided on the left and right side walls of the inner sliding frame. The transverse screw is fixed on the outer fixed frame and connected to the inner sliding frame, driving the inner sliding frame to move transversely. The longitudinal screw is fixed on the inner sliding frame and connected to the sliding bearing seat, driving the sliding bearing seat to move longitudinally.

7. The wooden formwork anchor test device according to claim 5, characterized in that: The traction device is a traction winch, and the traction winch is connected to the anchor chain by configuring a steel wire rope and a guide wheel.

8. A test method using the wooden formwork anchor test device according to claim 4, characterized in that: The steps include: Step a, Anchor assembly adjustment: The operator completes the initial positioning of the anchor system by adjusting the anchor chain barrel deflection bracket and the anchor chain barrel fixed bracket, and completes the relative angle positioning by adjusting the docking position of the anchor chain barrel and the anchor lip flange. The operator controls the extension and retraction of the anchor chain barrel pitch push rod and the anchor chain barrel deflection push rod through the console to complete the position and attitude adjustment of the anchor chain barrel and the anchor lip. If the operating conditions are met, the operator simulates the hull stand heel and pitch angle adjustment. If not, the operator repeats the anchor system assembly adjustment. Step b, simulate the adjustment of the hull stand's heel and pitch angles: The operator adjusts the platform push rod extension and retraction to complete the simulated hull heel and pitch angle adjustment, simulating the combination of heel and pitch posture at sea. If the operating conditions are met, the anchoring test is carried out. If not, the simulated hull platform heel and pitch angle adjustment is repeated. Step c: Operate the traction winch to perform the anchor hoisting test: The console controls the traction device to raise and lower the anchor at a set speed. The process of raising and lowering the anchor is recorded. Photos of the contact points between the anchor and the anchor lip are taken on both sides. The positioning and posture of the anchor chain barrel and the anchor lip are recorded. The ship's heel and pitch angles are simulated. Multiple sets of anchor raising and lowering control tests are carried out. Step d, test result analysis: The smoothness of anchoring, the interference between the anchor claw and the simulated hull on the test bench, and the fit between the anchor and the anchor lip are checked to verify the correctness of the anchor system design and meet the needs of actual ship installation.

9. The test method of the wooden formwork anchor test device according to claim 8, characterized in that: Before the anchoring test, the anchoring angle indicator is placed directly below the anchor, aligned with the anchor width symmetry line, and the initial angle of the anchor is adjusted to simulate the state changes of different initial anchoring angles.

10. The test method of the wooden formwork anchor test device according to claim 9, characterized in that: The initial angle ranges from 0 to 180 degrees.

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