A water construction work boat

Abstract

The present invention discloses an above-water construction work vessel, which belongs to the field of above-water engineering equipment. It comprises a construction vessel, an operating platform and a crane. At least three telescopic positioning pile systems are provided on the construction vessel, and the positioning pile systems are controlled by a two-stage telescopic oil cylinder. The operating platform is welded to the bracket of the deck of the construction vessel, and is composed of at least three independent hydraulic cylinder scissor fork support structures; the crane is a telescopic folding arm crane, which is installed on the structural beam of the construction vessel. The present invention integrates a crane, an aerial work platform and a professional construction vessel to solve the problem of barrier-free inspection of the bottom surface of the bridge. Through the lifting aerial work platform, construction personnel and equipment can carry out inspections on the bottom of the bridge. A large-tonnage telescopic crane is installed on the construction vessel, which can carry out lifting operations on the vessel, covering the entire operating range of the vessel, solving the problem that lifting operations cannot be carried out below the bridge deck.

Description

Technical Field

[0001] The invention belongs to the field of water engineering equipment, in particular to a water construction operation boat. Background Art

[0002] Traditional bridge underside inspections generally fall into two construction techniques. One involves tying two ships together beneath the bridge, constructing scaffolding on the ships or bridge piers, and setting up a construction platform. Workers then perform construction and inspections on the platform. This method requires a long scaffolding construction period and carries significant risks. If strong winds or sudden floods occur, the ships can easily shift and the scaffolding can capsize, causing significant casualties and property damage. Another method involves temporarily controlling traffic on the bridge and using intelligent bridge inspection vehicles to inspect the underside of the bridge. However, this method is only suitable for a small number of straight bridges and cannot be used on cable bridges, steel beam bridges, and other bridges. The inspection process is quite limited, requiring high operational requirements from personnel, and requires long periods of road occupancy.

[0003] Through long-term practical research, the applicant found that the existing technology has the following defects and shortcomings: bridge inspection generally requires lifting and hoisting operations, which require two types of equipment: cranes and aerial work vehicles. However, these equipment can only stay on the bridge deck and cannot carry out lifting and hoisting operations under the bridge deck. Summary of the Invention

[0004] In order to overcome the above technical defects, the present invention provides an above-water construction work vessel to solve the problems involved in the background technology.

[0005] The present invention provides an above-water construction operation vessel, comprising:

[0006] A construction vessel is provided with at least three telescopic positioning pile systems, and the positioning pile systems are controlled by two-stage telescopic oil cylinders.

[0007] The working platform is welded to the support of the deck of the construction vessel and is composed of at least three independent hydraulic cylinder scissor fork support structures;

[0008] The crane is a telescopic folding arm crane and is installed on the structural beam of the construction vessel.

[0009] Preferably or optionally, the positioning pile system comprises:

[0010] The first-stage telescopic mechanism includes a first-stage oil cylinder vertically mounted on the construction vessel with its output end located upward, and a mounting sleeve with its upper closed end fixedly connected to the push rod of the first-stage oil cylinder and its lower open end facing downward;

[0011] The secondary telescopic mechanism comprises a secondary oil cylinder vertically mounted inside the mounting sleeve, and a positioning pile slidably mounted on the mounting sleeve and connected to the push rod of the secondary oil cylinder.

[0012] Preferably or optionally, displacement sensors are provided in both the first-stage oil cylinder and the second-stage oil cylinder, and the displacement sensors are magnetostrictive built-in oil cylinder sensors.

[0013] Preferably or optionally, the oil cylinder of the positioning pile system is provided with a pressure sensor.

[0014] Preferably or optionally, the hydraulic cylinder scissor fork support structure includes:

[0015] Four scissor mechanisms, each comprising a plurality of sets of scissor rods hinged in sequence, with two laterally aligned scissor mechanism brackets connected by a crossbeam to form a single unit. The scissor mechanism comprises, from bottom to top, a first scissor rod, a second scissor rod, and a third scissor rod. A sliding member is provided between the bottom end of a connecting rod of the first scissor rod and the deck of the construction vessel, enabling the bottom end of the connecting rod of the first scissor rod to move linearly along the deck of the construction vessel.

[0016] Four lifting cylinders, one end of each lifting cylinder is hinged to the first scissor rod and the other end is hinged to the third scissor rod, driving the contraction and expansion of the scissor mechanism;

[0017] Lifting platform, hingedly mounted above four scissor mechanisms.

[0018] Preferably or optionally, height-adjustable limit switches are installed at the four corners above the lifting platform.

[0019] Preferably or optionally, a displacement sensor is provided in the lifting cylinder, and the displacement sensor is a magnetostrictive built-in cylinder sensor.

[0020] Preferably or optionally, a follow-up ladder is provided below the side of the working platform.

[0021] Preferably or optionally, the lifting platform is provided with guardrails around it, which can be folded toward the inside of the platform and is equipped with a signal device for detecting the switch of the guardrail door to send a status signal that the door is closed and open, and start interlocking with the working platform.

[0022] Preferably or optionally, a slidable guide rail is installed on the structural beam of the construction vessel, and the crane chassis is provided with a guide wheel and a hydraulic chuck, the guide wheel is slidably installed on the guide rail, and the hydraulic chuck can clamp the structural beam.

[0023] The present invention relates to an above-water construction operation vessel, which has the following beneficial effects compared with the prior art:

[0024] 1. The present invention can directly drive the construction vessel to the bottom of the bridge, lift the aerial work platform, and put the workers and equipment on the platform, so that the bottom surface of the bridge can be directly inspected manually without the need to build scaffolding on the riverbed;

[0025] 2. The present invention can drive the construction ship directly to the bottom of the bridge and position the piles. The crane can not only lift large-sized cargo from the ship to the bridge, but also realize the lifting construction under the bridge, eliminating the problem of land engineering machinery blocking the road construction and the long construction period; for cable bridges, steel beam bridges and other bridges, the existing bridge inspection vehicles cannot carry out inspections on the bottom surface of the bridge. The present invention can carry out inspections directly from the river surface, which is convenient and fast.

[0026] 3. The present invention adopts a telescopic positioning pile design, and installs a pressure sensor and a displacement sensor in the telescopic oil cylinder of the positioning pile to realize the independent control of the telescopic extension of the positioning pile, and maintains the pressure of each positioning pile in a certain setting range through the control system, so that the ship can be well fixed.

[0027] 4. The present invention installs height-adjustable limit switches at the four corners above the lifting platform. When an obstacle touches the limit switch, the lifting platform will automatically stop rising, preventing it from rising infinitely when the operator is not careful during operations under the bridge, avoiding squeezing injuries.

[0028] 5. When the lifting platform of the present invention is lowered to the lowest position, the height of the lifting platform is the same as the deck level, which is convenient for walking.

[0029] 6. A ladder is provided below the side of the lifting platform of the present invention for people to go up and down. The ladder is a follow-up ladder. The ladder steps are level at any height of the lifting platform. There is an entrance and exit for people to go up and down the platform at the connection between the upper end of the ladder and the platform.

[0030] 7. The guardrail of this invention folds inwards of the lift platform and features a signaling device that detects whether the guardrail door is open or closed, signaling whether the door is closed or open, interlocking with the lift platform's activation. Furthermore, parts of the guardrail that might obstruct work are bolted to the platform and can be removed at any time.

[0031] 8. The crane of the present invention is mounted on a main structural beam of a vessel. Sliding guide rails are mounted on the beam, and the crane chassis is clamped to the beam using a hydraulic chuck. When the crane is not in operation, the chassis can be driven by a hydraulic cylinder to slide the entire crane on the guide rails within a specified range, thereby expanding the crane's operating range.

[0032] In summary, this invention integrates a crane, an aerial work platform, and a specialized construction vessel to achieve barrier-free inspection of the bridge underside. Using a lifting aerial work platform, construction personnel and equipment can inspect the bridge bottom. A large-tonnage telescopic crane installed on the construction vessel allows for lifting operations to be performed onboard, covering the entire operating range of the vessel, thus resolving the problem of lifting operations below the bridge deck. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a top view of the construction work vessel in the present invention.

[0034] Figure 2 It is a side view of the construction work boat of the present invention.

[0035] Figure 3 This is the working state of the positioning pile system in the present invention Figure 1 .

[0036] Figure 4 This is the working state of the positioning pile system in the present invention Figure 2 .

[0037] Figure 5 This is the working state of the positioning pile system in the present invention Figure 3 .

[0038] Figure 6 This is a schematic diagram of the installation of a displacement sensor built into an oil cylinder in the present invention.

[0039] Figure 7 Is the working state of the working platform in the present invention Figure 1 .

[0040] Figure 8 Is the working state of the working platform in the present invention Figure 2 .

[0041] Figure 9 Is the working state of the working platform in the present invention Figure 3 .

[0042] Figure 10 It is a structural schematic diagram of the hydraulic cylinder scissor fork support structure in the present invention.

[0043] Figure 11 It is a schematic diagram of the installation of the crane in the present invention.

[0044] The accompanying drawings are marked as follows: construction vessel 100, positioning pile system 110, first-level cylinder 111, installation sleeve 112, second-level cylinder 113, positioning pile 114, magnetostrictive built-in cylinder sensor 115, cylinder body 111a, oil chamber 111b, piston rod 111c, accommodating chamber 111d, waveguide wire 115a, non-magnetic gasket 115b, position magnet 115c, working platform 200, hydraulic cylinder scissors fork support structure 210, first scissors fork rod 211, second scissors fork rod 212, third scissors fork rod 213, lifting cylinder 214, lifting platform 215, limit switch 216, follow-up ladder 217, guardrail 218, sliding part 219, crane 300, guide wheel 310, hydraulic chuck 320, driving cylinder 330, guide rail 340. DETAILED DESCRIPTION

[0045] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced without one or more of these details. In other instances, certain technical features well known in the art are not described to avoid confusion with the present invention.

[0046] See attached Figures 1 to 11 , a water construction work vessel, including: a construction vessel 100, an operation platform 200 and a crane 300.

[0047] Among them, see the attached Figure 1 The construction vessel 100 is a professional construction vessel 100 with a maximum length of 55.15 meters, an overall length of 55 meters, a draft of 1.9 meters, and a Class A navigation zone. The construction vessel 100 is equipped with at least three telescopic positioning pile systems 114 to ensure the stability of the construction vessel 100 during construction. However, considering the stability of the center of gravity of the construction vessel 100, this embodiment preferably uses four telescopic positioning pile systems 114. This makes the center of gravity less likely to deviate from the stable zone, is more reliable, and better matches the shape of the construction vessel 100.

[0048] The locating pile system 114 is controlled by a two-stage telescopic cylinder and has at least two positions: one in which the locating pile system 114 is fully or partially extended, with the locating piles 114 driven down to the riverbed to secure the vessel. The other in which the locating pile system 114 is fully or partially retracted, minimizing the height of the locating pile system 114 above the deck to ensure smooth passage of the construction vessel through the bridge.

[0049] See attached Figures 3 to 5The positioning pile 114 system 110 includes: a first-level telescopic mechanism and a second-level telescopic mechanism; the first-level telescopic mechanism includes a first-level oil cylinder 111 vertically installed on the construction ship 100, with the output end located above, and a mounting sleeve 112 with a closed end at the upper part fixedly connected to the push rod of the first-level oil cylinder 111 and an open end at the lower part facing downward; the second-level telescopic mechanism includes a second-level oil cylinder 113 vertically installed inside the mounting sleeve 112, and a positioning pile 114 slidably installed on the mounting sleeve 112 and connected to the push rod of the second-level oil cylinder 113.

[0050] In conjunction with the engineering example, the stroke of the first-stage telescopic mechanism and the second-stage telescopic mechanism are both 3000mm. When the construction vessel is in an idle state, the first-stage telescopic mechanism is normally extended, and the second-stage telescopic mechanism is retracted and accommodated in the installation sleeve 112. The positioning pile 114 system 110 is located inside and above the construction vessel 100, corresponding to the attached Figure 3 The left side positioning pile 114 system 110 has the least water resistance on the entire construction vessel 100 and the highest stability. At this time, the height of the positioning pile 114 system 110 from the ship deck is about 4120mm, and the height from the water surface is 7412mm, which can basically pass through bridges that meet general design requirements. When the construction ship passes through some river-crossing bridges with smaller bridge heights and high-water-level bridges, the first-level telescopic mechanism can be appropriately retracted so that the lower part of the positioning pile 114 system 110 is located in the water, thereby lowering the height of the upper part of the positioning pile 114 system 110, generally to about 3120mm from the ship deck, which is basically the same as the height of the forecastle on the construction vessel 100, corresponding to the attached Figure 5 The left side positioning pile 114 system 110. When the construction vessel is in working condition, the first telescopic mechanism is normally contracted, the second telescopic mechanism is extended, and the positioning pile 114 system 110 is unfolded as much as possible, and the positioning pile 114 is inserted into the riverbed to fix the vessel. Figure 4 Right side positioning stake 114 system 110.

[0051] It is worth noting that the output directions of the first-level oil cylinder 111 and the second-level oil cylinder 113 are opposite. When the positioning pile 114 system 110 is in working state and idle state, at least one of the first-level oil cylinder 111 and the second-level oil cylinder 113 is in an extended state and the other is in a contracted state. The pressure change of the entire oil supply system is small, which improves the pressure stability and service life of the entire oil supply system.

[0052] In a further embodiment, displacement sensors are installed in both the primary and secondary cylinders 111, 113, to monitor the extension and retraction distance of the positioning piles 114. Each cylinder of the positioning piles 114 can be controlled individually or synchronously via a control system. The displacement sensors are magnetostrictive internal cylinder sensors 115, which are unaffected by the external environment.

[0053] Specifically, see the attached Figure 6 A magnetostrictive internal cylinder sensor 115 is fixed to the cylinder body 111a of the first and second cylinders 111, 113. A housing cavity 111d is formed within the piston rod 111c. A waveguide wire 115a on one side of the magnetostrictive internal cylinder sensor 115 passes through the oil chamber 111b within the cylinder and is inserted into the housing cavity 111d. An annular non-magnetic gasket 115b and a position magnet 115c are located at the outer end of the housing cavity 111d, which holds the waveguide wire 115a and allows it to pass through. The displacement of the first and second cylinders 111, 113 is determined by detecting the relative movement between the waveguide wire 115a, the annular non-magnetic gasket 115b, and the position magnet 115c.

[0054] In a further embodiment, due to the complex and potentially uneven riverbed conditions, displacement sensors can easily misjudge the position. Instead, pressure sensors are installed on the oil cylinders of the positioning pile 114 system 110. The control system adjusts the extension and retraction distance of the positioning pile 114 based on pressure feedback. If the pressure on the positioning pile 114 is too low, it indicates that the positioning pile 114 has not been fully inserted. The positioning pile 114 needs to be further inserted into the riverbed until the pressure on all four positioning piles 114 reaches a uniform set range. This ensures that the positioning pile 114 has reached a sufficient depth and is fixed to the riverbed, thus stabilizing the vessel.

[0055] See attached Figures 7 to 9 The working platform 200 is welded on the bracket of the deck of the construction vessel 100 and is composed of at least three independent hydraulic cylinder scissor fork support structures 210; the lifting height is 8m. When the platform is lowered to the lowest position, the platform height is the same as the deck level, which is convenient for walking.

[0056] See attached Figure 10The hydraulic cylinder scissor fork support structure 210 includes: four scissor mechanisms, four lifting cylinders 214 and a lifting platform 215. The scissor mechanism is composed of multiple groups of scissor rods hinged in sequence, and two transversely aligned scissor mechanism brackets are connected by a crossbeam to form a whole; the scissor mechanism is distributed from bottom to top with a first scissor rod 211, a second scissor rod 212 and a third scissor rod 213. A sliding member 219 is further provided between the bottom end of a connecting rod in the first scissor rod 211 and the deck of the construction vessel 100, so that the bottom end of a connecting rod in the first scissor rod 211 can move linearly along the deck of the construction vessel 100; the lifting cylinder 214 is hinged at one end to the first scissor rod 211 and at the other end to the third scissor rod 213 to drive the contraction and expansion of the scissor mechanism; the lifting platform 215 is hingedly installed above the four scissor mechanisms. Similarly, a displacement sensor is provided in the lifting cylinder 214. The displacement sensor is a magnetostrictive built-in cylinder sensor 115. The structure of the sensor is shown in the accompanying drawings and will not be described in detail here.

[0057] In this embodiment, the material of the scissor rod is a 400*200*12mm rectangular tube, the main materials of the bottom and upper frames are 32# and 28# channel steel and rectangular tube, and the table top is paved with 5mm patterned plate.

[0058] In a further embodiment, a ladder for people to go up and down is provided below the side of the lifting platform 215, and the ladder is a follower ladder 217. The platform is at any height and the ladder steps are all level. There is an entrance and exit for people to go up and down the platform at the connection between the upper end of the ladder and the platform.

[0059] In a further embodiment, a 1.1-meter-high guardrail 218 is installed around the lifting platform 215. The guardrail 218 is made of carbon steel tubing and features increased railing posts to prevent wobbling during use. A 100-mm-high kicker is provided beneath the guardrail 218. The guardrail 218 folds inward toward the platform and includes a signaling device that detects whether the guardrail 218 door is open or closed, signaling whether the door is closed or open, interlocking with the lifting platform 215. Furthermore, portions of the guardrail 218 that might obstruct work are bolted to the platform surface and can be removed at any time.

[0060] In addition, height-adjustable limit switches 216 (1.1-1.8 meters in height) are installed at the four corners above the lifting platform 215. When an obstacle touches the limit switch 216, the platform will automatically stop rising, preventing it from rising infinitely when the operator is not careful during operations under the bridge. Figure 3 As shown, it is installed at the four corners of the platform with the detection port facing upward.

[0061] During lifting operations, the platform can adopt the inching operation mode when working under the bridge. The operator on the platform presses the button to make the platform rise, and releases it to stop. This is a safe operation mode. The three platforms can be linked or controlled individually through the control system. When linked, one control box can control the synchronous lifting and lowering of the three platforms, which is convenient for transporting larger and longer items. The platform can stop at any position within the travel range. Each group of platforms has a displacement sensor installed on the cylinder. The displacement sensor of the cylinder can be used to calculate the height of the platform. Figure 3 As shown. The displacement sensor uses a magnetostrictive sensor built into the cylinder, such as Figure 5 As shown. The height to which the platform is raised can be set, and it will automatically rise to the set height and stop. The lifting button has two control modes. One is that the platform automatically rises and falls continuously when the button is pressed, and stops when it reaches the limit switch 216 or the set height; the other is the inching lifting mode. The platform rises and falls when the button is pressed, and stops when the button is released. The platform height can be fine-tuned, which is safer. The two control modes can be switched by the knob switch. The electrical equipment on the lifting platform 215 is all waterproof. The platform is equipped with three-position travel switches, the limit position, the upper limit position and the lower limit switch 216. The limit position switch is set at a height of 8m, the upper limit switch 216 is set at a commonly used height, and the lower limit switch 216 is set at the lowest position of the platform. In addition, a mechanical deadlock is provided at the upper limit position of 8m to prevent damage due to excessive extension when a limit switch 216 fails.

[0062] See attached Figure 11 The crane 300 is a telescopic folding boom crane with a boom structure consisting of six telescopic booms and two folding booms. It has a maximum operating range of 19 meters and a maximum lifting height of 21 meters. It can lift 70,000 kg at a minimum range of 4.95 meters and 12,000 kg at a maximum range of 19 meters. The boom's luffing and extension are infinitely controlled by hydraulic cylinders, allowing it to stay at any range and height.

[0063] The crane 300 is mounted on the structural beam of the construction vessel 100. Sliding guide rails 340 are installed on the structural beam of the construction vessel 100. The crane 300 chassis is equipped with guide wheels 310 and a hydraulic chuck 320. The guide wheels 310 are slidably mounted on the guide rails 340, and the hydraulic chuck 320 is capable of clamping the structural beam. When the crane 300 is not in operation, the chassis of the crane 300 can be driven by a hydraulic cylinder 330, sliding the entire crane 300 on the guide rails 340 within a certain range, thereby expanding the operating range of the crane 300. When the crane 300 is in operation, the hydraulic chuck 320 can clamp the structural beam to ensure the stability of the crane 300.

[0064] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. To avoid unnecessary repetition, the present invention will not further describe various possible combinations.

Claims

1. A water construction work vessel, characterized in that: include: A construction vessel, provided with at least three telescopic positioning pile systems, the positioning pile systems being controlled by two-stage telescopic oil cylinders; The working platform is welded to the support of the deck of the construction vessel and is composed of at least three independent hydraulic cylinder scissor fork support structures; The crane is a telescopic folding arm crane installed on the structural beam of the construction vessel. A slidable guide rail is installed on the structural beam of the construction vessel. The chassis of the crane is provided with a guide wheel and a hydraulic chuck. The guide wheel is slidably installed on the guide rail. The hydraulic chuck can clamp the structural beam. The positioning pile system includes: The first-stage telescopic mechanism includes a first-stage oil cylinder vertically mounted on the construction vessel with its output end located upward, and a mounting sleeve with its upper closed end fixedly connected to the push rod of the first-stage oil cylinder and its lower open end facing downward; A secondary telescopic mechanism comprises a secondary oil cylinder vertically mounted inside the mounting sleeve, and a positioning pile slidably mounted on the mounting sleeve and connected to the push rod of the secondary oil cylinder; Displacement sensors are provided in both the primary and secondary cylinders, and the displacement sensors are magnetostrictive built-in cylinder sensors. The magnetostrictive built-in cylinder sensors are fixed to the cylinder bodies of the primary and secondary cylinders. A receiving cavity is formed within the piston rods of the primary and secondary cylinders. A waveguide wire on one side of the magnetostrictive built-in cylinder sensor passes through the oil cavity in the cylinder and is inserted into the receiving cavity. An annular non-magnetic gasket and a position magnet are provided at the outer end of the receiving cavity, through which the waveguide wire passes. The displacement of the primary and secondary cylinders is determined by detecting the relative movement between the waveguide wire, the annular non-magnetic gasket, and the position magnet.

2. The water construction work vessel according to claim 1, characterized in that: Pressure sensors are provided in both the first-stage oil cylinder and the second-stage oil cylinder.

3. The water construction work vessel according to claim 1, characterized in that: The hydraulic cylinder scissor fork support structure includes: Four scissor mechanisms, each comprising a plurality of sets of scissor rods hinged in sequence, with two laterally aligned scissor mechanism brackets connected by a crossbeam to form a single unit. The scissor mechanism comprises, from bottom to top, a first scissor rod, a second scissor rod, and a third scissor rod. A sliding member is provided between the bottom end of a connecting rod of the first scissor rod and the deck of the construction vessel, enabling the bottom end of the connecting rod of the first scissor rod to move linearly along the deck of the construction vessel. Four lifting cylinders, one end of which is hinged on the first scissor rod and the other end is hinged on the third scissor rod, drive the contraction and expansion of the scissor mechanism; a lifting platform is hingedly installed above the four scissor mechanisms.

4. The water construction work vessel according to claim 3, characterized in that: Height-adjustable limit switches are installed at the four corners above the lifting platform.

5. The water construction work vessel according to claim 3, characterized in that: A displacement sensor is provided in the lifting oil cylinder, and the displacement sensor adopts a magnetostrictive built-in oil cylinder sensor.

6. The water construction work vessel according to claim 1, characterized in that: A follow-up ladder is provided below the side of the working platform.

7. The water construction work vessel according to claim 3, characterized in that: The lifting platform is surrounded by guardrails, which can be folded toward the inside of the platform. A signal device for detecting the switch of the guardrail door is installed on the guardrail to send out status signals of whether the guardrail door is closed or opened, and start interlocking with the working platform.

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