A roll-on ramp test device

By designing a roll-on/roll-off (Ro-Ro) tunnel bench test device, simulating the structure of the Ro-Ro tunnel area of ​​a ship, and collecting data on key stress points, the problem of deviation between theoretical calculations and actual stress in the design and installation of the Ro-Ro tunnel system was solved, improving the accuracy of test results and structural stability.

CN116642680BActive Publication Date: 2025-11-28CHINA MERCHANTS JINLING SHIPBUILDING (JIANGSU) CO LTD +2
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Patent Information

Application Number
CN202310628311.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-30
Publication Date
2025-11-28
Estimated Expiration
2043-05-30

AI Technical Summary

Technical Problem

In the design and installation of roll-on/roll-off (Ro-Ro) systems, existing technologies have discrepancies between theoretical calculations and software simulations and actual stress conditions, which may lead to structural fractures or fatigue, and in severe cases, structural failure.

Method used

Design a roll-on/roll-off (Ro-Ro) tunnel bench test device, including a ramp test area and a ramp test area, to simulate the structure of the Ro-Ro tunnel area of ​​a ship. Collect data on key stress points through strain gauges and testing equipment to provide guidance for design, manufacturing and installation.

Benefits of technology

It improves the accuracy of test results for roll-on/roll-off (Ro-Ro) systems, ensures structural stability, reduces the risk of structural failure, and lowers costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a roll-on access ramp bench test device, which is divided into a jump plate test area and a ramp test area. The jump plate test area comprises, from bottom to top, a first anti-tilting water tank, a jump plate deck, two access structures and a bridge deck, the two access structures are symmetrically arranged on the left and right sides of the upper end surface of the jump plate deck, the bridge deck is arranged on the upper end surfaces of the two access structures, and a leaning structure is arranged on the upper end surface of the bridge deck. The ramp test area comprises a second anti-tilting water tank, two third anti-tilting water tanks, two fourth anti-tilting water tanks, two fifth anti-tilting water tanks and a ramp deck arranged on the upper end surfaces of the second anti-tilting water tank, the two third anti-tilting water tanks, the fourth anti-tilting water tank and the fifth anti-tilting water tank. Strain gauges are arranged at stress points in the jump plate test area and the ramp test area. The roll-on access ramp bench test device is suitable for testing requirements of multiple types of jump plate structures and ramp structures, and has the advantages of reliable structure, low cost and reusability.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of shipbuilding, and particularly relates to a roll-on / roll-off passageway bench test device. BACKGROUND

[0002] The roll-on / roll-off passageway system is a special equipment for roll-on / roll-off ships, and is a passageway equipment for horizontal loading and unloading, which is used to connect the wharf and each deck loading part on the ship, and generally includes multiple complex mechanical structures such as an external gangway, an internal ramp, a movable vehicle deck and a lifting platform, and needs to be equipped with complex mechanical and electrical control equipment. At present, the supply mode of the roll-on / roll-off passageway system on the market is generally that the equipment manufacturer provides the design and key components of the complete roll-on / roll-off passageway system, and the shipyard is responsible for manufacturing the steel structure part of the roll-on / roll-off passageway system. The equipment manufacturer needs to provide manufacturing and installation guidance for the shipyard when manufacturing and installing the steel structure part, and provide debugging services after the key components are delivered to the shipyard. Therefore, the manufacturer needs to have the ability to complete the detailed design of the equipment and provide necessary manufacturing, installation and debugging services for the shipyard.

[0003] In the design and installation and debugging process of the roll-on / roll-off passageway system and related structures at home and abroad, the theoretical calculation and software simulation methods are mostly used, which deviates from the actual stress of the roll-on / roll-off passageway in operation, and may cause the structure to be broken or fatigued, and even cause the structure to fail. SUMMARY

[0004] In view of the above problems, the present application provides a roll-on / roll-off passageway bench test device, which is suitable for the test requirements of multiple types of gangway structures and ramp structures, and has reliable structure, low cost and reusability.

[0005] To achieve the above purpose, the present application adopts the following technical solutions:

[0006] A roll-on ramp passage gantry test device, the device is divided into a jump test area and a ramp test area, the adjacent side of the jump test area and the ramp test area abuts; the jump test area comprises a first anti-tilting water tank, a jump deck, two passage structures and a bridge deck arranged in turn from bottom to top, the two passage structures are symmetrically arranged on the left and right sides of the upper end surface of the jump deck, the bridge deck is arranged on the upper end surface of the two passage structures, and a leaning structure is arranged on the upper end surface of the bridge deck; a hinge support is arranged on the upper part of the outer side wall of the first anti-tilting water tank in the length direction, a test jump is connected with the hinge support through a hinge, a plurality of strain gauges are uniformly distributed on the hinge support, a plurality of strain gauges are uniformly distributed on the side of the lower end surface of the jump deck and the bridge deck close to the jump in the width direction, an eye plate for connecting one end of a hydraulic cylinder for pulling the jump to open and close is arranged on the lower end surface of the bridge deck, a plurality of strain gauges are uniformly distributed on the eye plate, and strain gauges are arranged at stress points of the leaning structure; the ramp test area comprises a second anti-tilting water tank, two third anti-tilting water tanks, two fourth anti-tilting water tanks and a fifth anti-tilting water tank which are arranged at intervals away from the first anti-tilting water tank, and a ramp deck arranged on the upper end surfaces of the second anti-tilting water tank, the two third anti-tilting water tanks, the two fourth anti-tilting water tanks and the fifth anti-tilting water tank, the second anti-tilting water tank and the fifth anti-tilting water tank are located at the two ends of the length direction of the ramp deck respectively, the two third anti-tilting water tanks and the two fourth anti-tilting water tanks are symmetrically arranged on the two sides of the ramp opening of the ramp deck, a test ramp is hinged to the side wall of the ramp opening close to the second anti-tilting water tank, strain gauges are arranged on the lifting ropes at the connection position of the test ramp and the ramp opening on the lower end surface of the ramp deck located directly above the second anti-tilting water tank, and at the intersection position of the lower end surface of the ramp deck and the side plate of the anti-tilting water tank, the lifting rope assembly is connected with the test ramp, and a plurality of strain gauges are electrically connected with detection equipment.

[0007] Further, when the height of the jump deck is lower than the height of the ramp deck, an inclined ramp communicating the jump deck and the ramp deck is arranged on the jump deck, the inclination of the inclined ramp should be not greater than 15°; a plurality of strain gauges are arranged on the inclined ramp, the plurality of strain gauges are symmetrically arranged with respect to the center line of the length direction of the inclined ramp, and the plurality of strain gauges are electrically connected with detection equipment.

[0008] Further, the test device further comprises a concrete base layer located at the bottom layer, the first anti-tilting water tank, the second anti-tilting water tank, the third anti-tilting water tank, the fourth anti-tilting water tank and the fifth anti-tilting water tank are all fixed on the concrete base layer; between two adjacent anti-tilting water tanks, a group of struts are arranged every 2-4 rib positions, the lower end of the strut is fixedly connected with the concrete base layer through a foundation bolt, and the upper end of the strut is fixedly connected with a T-shaped material.

[0009] Further, injection pipes and air pipes are arranged on the jump deck and the ramp deck, and the injection pipes and the air pipes are located in the area where the deck plate and the anti-tilting water tank intersect.

[0010] Further, the leaning structure comprises two leaning base seats arranged symmetrically on the left and right sides of the bridge deck, the two leaning base seats are located between the two passage structures, a leaning base is arranged on the upper end surface between the two leaning base seats, and a hydraulic pump station is arranged between the two leaning base seats; the leaning base seat comprises a closed leaning base seat wall structure surrounded by a leaning base seat wall plate, an eye plate for connecting a steel wire rope located between the gangway and the leaning base seat is arranged on the upper part of the side wall of each of the two leaning base seats close to the gangway, a strain gauge is arranged on the eye plate, a support frame for supporting the gangway in the retracted state is fixed to the side wall of the leaning base close to the gangway, a plurality of strain gauges are arranged on the support frame, and the strain gauges are electrically connected to a detection device.

[0011] Further, the test device further comprises a ladder and a guardrail, the ladder is arranged on both sides of the gangway test area end of the gangway deck close to the slope test area and the side wall of the leaning base seat inside the passage structure, and an opening is arranged at the intersection area of the bridge deck and the ladder inside the passage structure; the guardrail is arranged on the gangway deck, the slope deck, the bridge deck, and the longitudinal free edge of the slope.

[0012] Further, the first anti-tilting water tank, the second anti-tilting water tank, the third anti-tilting water tank, the fourth anti-tilting water tank, and the fifth anti-tilting water tank each comprise a box structure surrounded by a plurality of wall plates, a manhole cover and a discharge plug are arranged on the side wall plates, anti-tilting knee plates are arranged between the lower end of the first anti-tilting water tank, the second anti-tilting water tank, the third anti-tilting water tank, the fourth anti-tilting water tank, and the fifth anti-tilting water tank and the concrete base, and elbow plates are connected between the upper end of the second anti-tilting water tank, the third anti-tilting water tank, the fourth anti-tilting water tank, and the fifth anti-tilting water tank and the T-shaped profiles; a rectangular slot hole is arranged at the lower end of the side wall plate of the third anti-tilting water tank and the fourth anti-tilting water tank, a limiting block is inserted into the rectangular slot hole, and one end of the limiting block is located in the rectangular slot hole; the passage structure comprises a plurality of wall plates, a transfer platform is arranged in the passage structure, one side of the transfer platform is welded and connected with the wall plate, and the free edge of the transfer platform is connected with the ladder.

[0013] Further, a ball flat steel is arranged inside the leaning base seat, inside the box structure of each anti-tilting water tank, and inside the passage structure, the ball flat steel comprises horizontally arranged horizontal ball flat steels and vertically arranged vertical ball flat steels, the horizontal ball flat steels are connected in series at the head and tail by welding to form a horizontal frame structure, and the vertical ball flat steels are connected in series at the head and tail by welding to form a vertical frame structure; the leaning base comprises four vertical columns and ball flat steels, two vertical columns are arranged vertically on the wall plate of the leaning base seat, two horizontal columns are arranged horizontally and welded at the two ends with the two vertical columns, and every two ball flat steels are welded into a herringbone shape and welded with the horizontal column, and the support frame is fixedly connected with the two horizontal columns.

[0014] Further, the end of the gangway deck connected with the test gangway is provided with a downward angle, and the angle is 3-10°.

[0015] Further, the hinge support member comprises a hinge support member surrounding wall plate and an eye plate, one side of the hinge support member surrounding wall plate and the eye plate are fixedly connected with the surrounding wall plate of the first anti-tilting water tank, the eye plate is located on the upper end surface of the hinge support member surrounding wall plate, and the plurality of strain gauges on the hinge support member are uniformly distributed on the eye plate.

[0016] The roll-on channel test bench device of the application provides a test bench structure for roll-on equipment. The test bench structures of the gangway test area and the ramp test area are consistent with the typical structure of the roll-on channel area of a ship body. The anti-tilting water tank is designed to simulate the surrounding wall structure around the gangway structure in the roll-on channel area of the ship body and the bulkhead structure around the ramp structure, while ensuring the stability of the ship body structure. The installation and operation of the roll-on equipment and accessories are consistent with the actual ship, so as to ensure the accuracy of the test results. The strain data of the key stress points and local areas of the roll-on channel structure are collected and analyzed through the measurement system, so as to provide guidance and basis for the design, manufacture and installation of the roll-on channel system. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a side view of the roll-on channel test bench device of the application;

[0018] Figure 2 is a top view of the roll-on channel test bench device of the application;

[0019] Figure 3 is Figure 1 A-A direction view in the middle;

[0020] Figure 4 is Figure 1 B-B direction view in the middle;

[0021] Figure 5 is Figure 1 C-C direction view in the middle;

[0022] Figure 6 is Figure 1 D-D direction view in the middle;

[0023] Figure 7 is Figure 1 enlarged schematic view of part E in the middle;

[0024] Figure 8 is Figure 1 enlarged schematic view of part F in the middle;

[0025] Figure 9The schematic diagram of the use state of the roll-on access trestle test device.

[0026] Wherein, 1-concrete base layer, 2-limiting block, 3-first anti-tilt water tank, 4-support column, 5-boarding deck, 6-enclosure wall plate 6, 7-ramp, 8-access structure, 9-hydraulic pump station, 10-leaner base, 11-leaner, 12-guardrail, 13-manway, 14-transfer platform, 15-hinge support, 16-elbow plate, 17-anti-tilt elbow plate, 18-anchorage bolt, 19-manhole cover, 20-T profile, 21-ball flat steel, 22-door, 23-window, 24-strain gauge, 25-detection equipment, 26-drainage plug, 27-rectangular slot, 28-eye plate, 29-injection pipe, 30-breather pipe, 31-bridge deck, 32-support frame, 33-test boarding, 34-hydraulic oil cylinder, 35-steel wire rope, 36-second anti-tilt water tank, 37-third anti-tilt water tank, 38-fourth anti-tilt water tank, 39-fifth anti-tilt water tank, 40-ramp deck, 41-test ramp, 42-lifting rope assembly. Embodiment

[0027] The application will be further described below in conjunction with the drawings and specific embodiments.

[0028] As Figures 1-9 shown, a roll-on access trestle test device, the device includes the bottommost concrete base layer 1, the test device is divided into boarding test area and ramp test area, the adjacent side of the boarding test area and the ramp test area abuts; the boarding test area includes the first anti-tilt water tank 3, the boarding deck 5, two access structures 8 and the bridge deck 31 arranged in turn from bottom to top, two access structures 8 are symmetrically arranged on the left and right sides of the upper end face of the boarding deck 5, the bridge deck 31 is erected on the upper end face of the two access structures 8, and a leaner structure is arranged on the upper end face of the bridge deck 31; hinge supports 15 are arranged on the upper part of the outer enclosure wall of the first anti-tilt water tank 3 in the length direction, the hinge supports 15 include hinge support enclosure wall plates 151 and eye plates 28, one side of the hinge support enclosure wall plates 151 and the eye plates 28 is fixedly connected with the enclosure wall plate of the first anti-tilt water tank 3, the eye plates 28 are located on the upper end face of the hinge support enclosure wall plates 151, a test boarding 33 is hingedly connected with the eye plates 28, one end of the test boarding 33 is connected with the boarding deck 5, the boarding deck 5 is provided with a downward corner at the end connected with the test boarding 33, the corner is 3-10°, a plurality of strain gauges 24 are uniformly arranged on the eye plates 28; a plurality of strain gauges 24 are uniformly arranged on the lower end face of the boarding deck 5 and the bridge deck 31 near the boarding in the width direction, an eye plate 28 for connecting one end of a hydraulic oil cylinder 34 for pulling the boarding to open and close is arranged on the lower end face of the bridge deck 31, a plurality of strain gauges 24 are uniformly arranged on the eye plate 28, and strain gauges 24 are arranged at stress points of the leaner structure;

[0029] The ramp test area includes a second anti-tilting water tank 36, two third anti-tilting water tanks 37, two fourth anti-tilting water tanks 38 and a fifth anti-tilting water tank 39 arranged at intervals away from the first anti-tilting water tank 3, and a ramp deck 40 erected on the upper end faces of the second anti-tilting water tank 36, the two third anti-tilting water tanks 37, the two fourth anti-tilting water tanks 38 and the fifth anti-tilting water tank 39, the second anti-tilting water tank 36 and the fifth anti-tilting water tank 39 are respectively located at both ends of the length direction of the ramp deck 40, the two third anti-tilting water tanks 37 and the two fourth anti-tilting water tanks 38 are symmetrically arranged on both sides of the ramp opening of the ramp deck 40, the test ramp 41 is hinged to the side wall close to the second anti-tilting water tank 36 of the ramp opening, and the strain gauges 24 are installed on the lifting rope assembly 42 at the connection between the test ramp 41 and the ramp opening, on the lower end face of the ramp deck 40 directly above the second anti-tilting water tank 36, and at the intersection of the lower end face of the ramp deck 40 and the side plate of the anti-tilting water tank, the lifting rope assembly 42 is connected to the test ramp 41, and the plurality of strain gauges 24 are electrically connected to the detection equipment; when the height of the jump deck 5 is lower than the height of the ramp deck 40, the inclined ramp 7 is arranged on the jump deck 5 to communicate the jump deck 5 and the ramp deck 40, the inclination of the inclined ramp 7 should be no more than 15°; a plurality of strain gauges 24 are arranged on the inclined ramp 7, the plurality of strain gauges 24 are symmetrically arranged with respect to the center line of the length direction of the inclined ramp 7, and the plurality of strain gauges 24 are electrically connected to the detection equipment 25.

[0030] The leaning structure includes two leaning base stations 10 symmetrically arranged on the left and right sides of the bridge deck 31, the two leaning base stations 10 are located between the two passage structures 8, a leaning frame 11 is erected on the upper end faces of the two leaning base stations 10, and a hydraulic pump station 9 is arranged between the two leaning base stations 10, the hydraulic pump station 9 is provided with a door 22 and a window 23; the leaning base station 10 includes a closed leaning base station surrounding wall structure surrounded by the surrounding wall plate 6, eye plates 28 for connecting steel wires 35 located between the test jump deck 33 and the leaning base station 10 are arranged on the upper part of the side wall of the side of each of the two leaning base stations 10 close to the jump deck, strain gauges 24 are installed on the eye plates 28, support frames 32 for supporting the jump deck in the retracted state are fixed on the side wall of the side of the leaning frame close to the test jump deck 33, and a plurality of strain gauges 24 are arranged on the support frames 32, and the strain gauges 24 are electrically connected to the detection equipment 25.

[0031] The first anti-tilt water tank 3, the second anti-tilt water tank 36, the third anti-tilt water tank 37, the fourth anti-tilt water tank 38 and the fifth anti-tilt water tank 39 are fixed on the concrete base 1; between two adjacent anti-tilt water tanks, a group of struts 4 are arranged every 2-4 rib positions, the lower end of the strut 4 is fixedly connected with the concrete base 1 through the anchor bolt 18, and the upper end of the strut 4 is fixedly connected with the T-shaped material 20; the first anti-tilt water tank 3, the second anti-tilt water tank 36, the third anti-tilt water tank 37, the fourth anti-tilt water tank 38 and the fifth anti-tilt water tank 39 all include a box structure, the box structure is surrounded by a plurality of surrounding wall plates 6, a manhole cover 19 and a discharge plug 26 are arranged on the side surrounding wall plate 6, the lower end of the first anti-tilt water tank 3, the second anti-tilt water tank 36, the third anti-tilt water tank 37, the fourth anti-tilt water tank 38 and the fifth anti-tilt water tank 39 is provided with anti-tilt knee plates 17 between the front and back sides and the concrete base 1, and the upper end of the second anti-tilt water tank 36, the third anti-tilt water tank 37, the fourth anti-tilt water tank 38 and the fifth anti-tilt water tank 39 is connected with the elbow plate 16 between the front and back sides and the T-shaped material 20; a rectangular slot hole 27 is arranged at the lower end of the side surrounding wall plate 6 of the third anti-tilt water tank 37 and the fourth anti-tilt water tank 38, a limiting block is inserted into the rectangular slot hole 27, and one end of the limiting block 2 is located in the rectangular slot hole 27; the passage structure 8 includes a plurality of surrounding wall plates 6, a transfer platform 14 is arranged in the passage structure 8, one side of the transfer platform 14 is welded and connected with the surrounding wall plate 6, and the free edge of the transfer platform 14 is connected with the man ladder 13.

[0032] A ball flat steel 21 is arranged inside the leaning rack base 10, inside the box structure of each anti-tilt water tank and inside the passage structure 8, the ball flat steel 21 includes horizontal ball flat steels arranged at equal intervals in the horizontal direction and vertical ball flat steels arranged at equal intervals in the vertical direction, the horizontal ball flat steels are connected in series at the head and tail through welding to form a horizontal frame structure, and the vertical ball flat steels are connected in series at the head and tail through welding to form a vertical frame structure; the leaning rack includes four vertical columns and the ball flat steel 21, two vertical columns are arranged vertically on the surrounding wall plate 6 of the leaning rack base 10; two vertical columns are arranged horizontally, and the two ends are welded with the two vertically arranged vertical columns; every two ball flat steels 21 are welded into a herringbone shape and are connected with the horizontally arranged vertical column through welding, and the support frame is fixedly connected with the two horizontal vertical columns.

[0033] The test device further includes a man ladder 13 and a guardrail 12, the man ladder 13 is arranged inside the passage structure 8, on both sides of the jumping plate deck 5 close to one end of the ramp test area and on the side wall of the leaning rack base 10, and an opening is arranged at the intersection area of the bridge deck 31 and the man ladder 13 inside the passage structure 8; the guardrail 12 is arranged on the longitudinal free edge of the jumping plate deck 5, the ramp deck 40, the bridge deck 31 and the slope 7; the jumping plate deck 5 and the ramp deck 40 are both provided with an injection pipe 29 and a breather pipe 30, and the injection pipe 29 and the breather pipe 30 are located in the area where the deck plate intersects with the anti-tilt water tank.

[0034] It should be understood by those of ordinary skill in the art that the above description is only specific embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A roll-on access gangway test apparatus, characterized by, The device is divided into a jump test area and a ramp test area, and the adjacent sides of the jump test area and the ramp test area abut against each other; the jump test area comprises, from bottom to top, a first anti-tilting water tank, a jump deck, two passage structures and a bridge deck, the two passage structures are symmetrically arranged on the left and right sides of the upper end surface of the jump deck, the bridge deck is arranged on the upper end surfaces of the two passage structures, and a leaning structure is arranged on the upper end surface of the bridge deck; a hinge support is arranged on the upper part of the outer side wall of the first anti-tilting water tank in the length direction, a test jump is connected to the hinge support through a hinge, a plurality of strain gauges are uniformly distributed on the hinge support, a plurality of strain gauges are uniformly distributed on the side of the lower end surface of the jump deck and the bridge deck close to the jump in the width direction, an eye plate for connecting one end of a hydraulic cylinder for pulling the jump to open and close is arranged on the lower end surface of the bridge deck, a plurality of strain gauges are uniformly distributed on the eye plate, and strain gauges are arranged at stress points of the leaning structure; the ramp test area comprises, spaced apart in a direction away from the first anti-tilting water tank, a second anti-tilting water tank, two third anti-tilting water tanks, two fourth anti-tilting water tanks and a fifth anti-tilting water tank, and a ramp deck arranged on the upper end surfaces of the second anti-tilting water tank, the two third anti-tilting water tanks, the two fourth anti-tilting water tanks and the fifth anti-tilting water tank, the second anti-tilting water tank and the fifth anti-tilting water tank are respectively located at the two ends of the length direction of the ramp deck, the two third anti-tilting water tanks and the two fourth anti-tilting water tanks are symmetrically arranged on the two sides of the ramp opening of the ramp deck, a test ramp is hingedly connected to the side wall of the ramp opening close to the second anti-tilting water tank, strain gauges are arranged on the lifting ropes at the following positions: the lower end surface of the ramp deck directly above the second anti-tilting water tank, the connection position of the test ramp and the ramp opening, the web of the T-shaped profile on the lower end surface of the ramp deck, and the intersection of the lower end surface of the ramp deck and the side plate of the anti-tilting water tank, the lifting rope assembly is connected to the test ramp, and a plurality of strain gauges are electrically connected to the detection equipment.

2. A roll-on access bay test device according to claim 1, wherein, When the height of the jump deck is lower than the height of the ramp deck, an inclined ramp connecting the jump deck and the ramp deck is arranged on the jump deck, and the inclination of the inclined ramp should be no greater than 15°; a plurality of strain gauges are arranged on the inclined ramp, the plurality of strain gauges are symmetrically arranged with respect to the center line of the length direction of the inclined ramp, and the plurality of strain gauges are electrically connected to the detection equipment.

3. A roll-on access bay test rig according to claim 2, wherein, The test device further comprises a concrete base layer at the bottommost layer, and the first anti-tilting water tank, the second anti-tilting water tank, the third anti-tilting water tank, the fourth anti-tilting water tank and the fifth anti-tilting water tank are all fixed to the concrete base layer; between two adjacent anti-tilting water tanks, a group of struts are arranged every 2-4 rib positions, the lower end of the strut is fixedly connected to the concrete base layer through a foundation bolt, and the upper end of the strut is fixedly connected to a T-shaped profile.

4. A roll-on access bay test rig according to claim 3, wherein, An injection pipe and an air pipe are arranged on the jump deck and the ramp deck, and the injection pipe and the air pipe are located in the area where the deck and the anti-tilting water tank intersect.

5. A roll-on access bay test apparatus according to claim 4, wherein, The leaning structure comprises two leaning base stations symmetrically arranged on the left and right sides of the bridge deck, the two leaning base stations are located between the two passage structures, a leaning base is arranged on the upper end surface between the two leaning base stations, and a hydraulic pump station is arranged between the two leaning base stations; the leaning base station comprises a closed leaning base station wall structure surrounded by leaning base station wall plates, eye plates for connecting steel wires located between the gangway and the leaning base station are arranged on the upper part of the side walls of the two leaning base stations close to the gangway, strain gauges are mounted on the eye plates, a support frame for supporting the gangway in the retracted state is fixed to the side wall of the leaning base close to the gangway, a plurality of strain gauges are arranged on the support frame, and the strain gauges are electrically connected with detection equipment.

6. A roll-on dock bay test apparatus according to claim 5, wherein, The test device further comprises a ladder and a guardrail, the ladder is arranged on the two sides of the gangway structure inside and the side wall of the leaning base station close to the end of the ramp test area of the gangway deck, and an opening is arranged at the intersection area of the bridge deck and the ladder inside the passage structure; the guardrail is arranged on the gangway deck, the ramp deck, the bridge deck and the longitudinal free edge of the ramp.

7. A roll-on dock bay test apparatus according to claim 6, wherein, The first anti-tilt water tank, the second anti-tilt water tank, the third anti-tilt water tank, the fourth anti-tilt water tank and the fifth anti-tilt water tank each comprise a box structure surrounded by a plurality of wall plates, a manhole cover and a relief plug are arranged on the side wall plates, anti-tilt knee plates are arranged between the lower end of the first anti-tilt water tank, the second anti-tilt water tank, the third anti-tilt water tank, the fourth anti-tilt water tank and the fifth anti-tilt water tank and the concrete base, and elbow plates are connected between the upper end of the second anti-tilt water tank, the third anti-tilt water tank, the fourth anti-tilt water tank and the fifth anti-tilt water tank and the T-shaped profiles; a rectangular slot hole is arranged at the lower end of the side wall plate of the third anti-tilt water tank and the fourth anti-tilt water tank, a limiting block is inserted into the rectangular slot hole, and one end of the limiting block is located in the rectangular slot hole; the passage structure comprises a plurality of wall plates, and a transfer platform is arranged in the passage structure, one side of the transfer platform is welded and connected with the wall plate, and the free edge of the transfer platform is connected with the ladder.

8. A roll-on dock bay test apparatus according to claim 7, wherein, Ball flat steels are arranged in the leaning base station, the box structure of each anti-tilt water tank and the passage structure, the ball flat steel comprises horizontally arranged horizontal ball flat steels and vertically arranged vertical ball flat steels, the horizontal ball flat steels are connected in series by welding to form a horizontal frame structure, and the vertical ball flat steels are connected in series by welding to form a vertical frame structure; the leaning base comprises four columns and ball flat steels, two columns are arranged vertically on the wall plates of the leaning base station, two columns are arranged horizontally, and the two ends of the two columns are welded with the two vertically arranged columns; every two ball flat steels are welded to form a herringbone shape and are connected with the horizontally arranged columns by welding, and the support frame is fixedly connected with the two horizontal columns.

9. A roll-on dock platform test apparatus according to claim 1, wherein, The end of the gangway deck connected with the test gangway is provided with a downward angle, and the angle is 3-10°.

10. A roll-on dock bay test apparatus according to claim 1, wherein, The hinge support comprises hinge support wall plates and eye plates, one side of the hinge support wall plates and the eye plates is fixedly connected with the wall plates of the first anti-tilt water tank, the eye plates are located on the upper end surface of the hinge support wall plates, and the plurality of strain gauges on the hinge support are uniformly distributed on the eye plates.

Citation Information

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