Dock launching belt cable guiding device

Abstract

The utility model provides a dock launching belt cable guiding device, and relates to the technical field of ship auxiliary equipment, the dock launching belt cable guiding device comprises a supporting base, a guiding device, a plurality of groups of roller transmission devices, a clamp device and a limiting protection device, the guiding device is located above the supporting base, and the guiding device is of a cylindrical spindle body structure with two thick ends and a thin middle; through holes are formed in the bottoms of the guide devices; a plurality of groups of roller transmission devices are mounted on the supporting base and below the guide device; the roller transmission device comprises a roller in sliding connection with the track; clamp devices are arranged in front of and behind the guide device, are mounted at the top of the supporting base and comprise two clamps, and clips are mounted on the inner sides of the clamps; a guide wheel assembly is connected to the clamp device and comprises a cable guide wheel. Multiple sets of limiting protection devices are arranged on the inner walls of the two sides of the supporting base and comprise wheels, and the multiple sets of wheels are in sliding connection with the two side walls of the track. According to the utility model, the cable position requirements of different ship types can be met, manual operation is not needed, and the device can walk along with the ship.

Description

Technical Field

[0001] This utility model relates to the field of ship auxiliary equipment technology, and in particular to a device for guiding cables during dock launching. Background Technology

[0002] During the entry and exit of large vessels from the dry dock, the traction and guidance of mooring lines are crucial for ensuring smooth operations. Normally, the lines are released by winches outside the dry dock and pulled in and out of the dock by towing jacks. However, when the vessel is in a semi-floating state, the height of the towing jacks is limited and cannot exceed the top of the dry dock. In this situation, the lines will rub against the edge of the dry dock as they enter the dock.

[0003] Currently, there are no dedicated cable guiding devices in port and dock operations to solve this problem. To prevent cables from directly rubbing against the dock edge, operators often use temporary fixtures (steel pipe supports) for auxiliary guidance. While this method can reduce friction to some extent, it still has the following shortcomings:

[0004] 1. Unstable structure: Temporary equipment lacks standardized design and fixed support, and is mostly temporary. It lacks rigidity and is prone to displacement or damage after the cables are stressed, which cannot guarantee the continuity of operation.

[0005] 2. Poor guiding effect: The temporary tooling does not have limiting and anti-jump functions, and the cable is prone to slipping or tangling when the direction of force changes, which poses a safety hazard.

[0006] 3. High friction loss: The surface of temporary tooling is rough and lacks special anti-friction materials. The cable and tooling or dock edge are severely rubbed, resulting in rapid wear and short service life.

[0007] 4. High degree of manual intervention: During the operation, workers need to constantly adjust the position of temporary tools to adapt to changes in the angle of the cable, which is not only labor-intensive but also inefficient.

[0008] 5. Inability to move with the ship: The temporary tooling is fixed and cannot work in conjunction with the mooring trolley. When the ship enters or leaves the dry dock, the relative position of the mooring lines and the ship changes constantly, and the temporary tooling cannot move synchronously, resulting in uneven tension or bending of the mooring lines.

[0009] It is evident that the temporary tooling methods relied upon by existing technologies lack stability and safety, and cannot meet the demands for high efficiency in modern ship dock operations. Utility Model Content

[0010] To address the aforementioned technical problems, a device for guiding cables during dock launching is provided. The technical means employed in this invention are as follows:

[0011] A device for guiding cables during dock launching includes: a support base, a guide device, multiple sets of roller transmission devices, a clamping device, and a limiting and protective device. The guide device is located in the upper middle part of the support base and has an overall cylindrical spindle structure that is thick at both ends and thin in the middle. The bottom of the guide device is provided with a through hole for the winch wire rope to pass through.

[0012] The multiple sets of roller transmission devices are installed on the support base and distributed in the front, back, left and right directions below the guide device; the roller transmission device includes rollers, and the multiple sets of rollers are slidably connected to the upper surface of the track below the support base.

[0013] The guide device is equipped with clamping devices at both the front and rear. The clamping devices are installed on the top of the support base and include two clamps. Each clamp has a clip installed on its inner side. A guide wheel assembly is connected to the clamping device, and the guide wheel assembly includes a cable guide wheel.

[0014] The inner walls on both sides of the support base are provided with multiple sets of limiting and protective devices, each of which includes wheels, and the multiple sets of wheels are slidably connected to the two side walls of the track.

[0015] Furthermore, the support base has an inverted U-shaped structure, including a top panel and side panels. The side panels are fixedly connected to both sides of the top panel, and a reinforcing panel is connected to the bottom of the side panels.

[0016] Furthermore, the clamping device also includes a fixed shaft and a clamping box. The clamping box is mounted on the upper plate of the support base. The clamps are mounted inside the clamping box via a clamping positioning shaft. Each clamp has a hole at its top, through which a fixed shaft parallel to the axis of the clamping positioning shaft passes. Both ends of the fixed shaft protruding from the clamp are locked by pins. A threaded hole is formed in the middle of the fixed shaft, with the axis of the threaded hole perpendicular to the axis of the clamping positioning shaft. A horizontal shaft is connected to the threaded holes on both clamps. The horizontal shaft has two external threads with opposite thread directions, which are threaded to the threaded holes on the two clamps respectively. A handle is provided at one end of the horizontal shaft.

[0017] Furthermore, the guide wheel assembly also includes a guide wheel flange, a guide wheel panel, and a guide wheel shaft. The guide wheel flange is mounted on the fixture box, the guide wheel panel is mounted on the guide wheel flange, the guide wheel shaft is mounted on the guide wheel panel, the cable guide wheel is mounted on the guide wheel shaft via a bearing, a flange clip is mounted on the fixture box, and the end of the fixture positioning shaft is connected between the flange clip and the guide wheel flange.

[0018] Furthermore, the roller transmission device also includes a housing and a rotating shaft. The upper plate of the support base has multiple mounting holes, and the housing is installed in the mounting holes. The housing is welded together from two side panels and a middle cover plate. The two ends of the rotating shaft are respectively installed on the two side panels, and the roller is installed on the rotating shaft through bearings.

[0019] Furthermore, the limiting and protective device also includes a base plate, a positioning bushing, a wheel axle panel, and a shaft. The base plate is fixed to the side plate of the support base by multiple sets of bolts. The wheel axle panel is mounted on the base plate. Both ends of the shaft are mounted on the wheel axle panel. The wheel is mounted on the shaft by bearings. The positioning bushing is connected to the shaft and arranged on both sides of the wheel.

[0020] Furthermore, the outer wall of the side plate is provided with a reinforcing shaft plate, which is arranged on both sides of the base plate.

[0021] Furthermore, the outer wall of the side plate is provided with multiple reinforcing ribs.

[0022] Compared with the prior art, the present invention has the following advantages:

[0023] 1. In response to the problem that docks lack guiding devices and rely solely on temporary tooling, this utility model of an automatically moving cable-guided device can adapt to the cable-carrying position requirements of different ship types, without manual operation, and can move with the ship. The preparation time for cable-carrying on a single ship is reduced from 30 minutes to 12 minutes, and the efficiency is increased by 60%.

[0024] 2. In response to the problem of cable wear due to the fixed angle of the cable being fixed on site and the limitation of the ship type, the cable guide device of this utility model can be adjusted downwards to a downward angle of 0°-60°. The cable is completely in contact with the guide device, thereby changing the direction of the cable. This avoids uneven stress caused by friction and compression of the cable with the edge of the dock, thereby increasing the service life of the cable by 80%.

[0025] 3. Addressing the issue of poor compatibility with various ship types, this utility model's cable guide wheel is compatible with 30-80mm cables, enabling a horizontal cable-carrying angle within the range of -150° to 150°. Furthermore, the traveling structure, through the cooperation of clamps with the dockway, can move along the same track, in the same direction, and at the same speed as the cable-guided device, truly moving alongside the ship. Simultaneously, the traveling wheel is compatible with standard 400mm dock tracks, meeting the needs of different ship types (5000-30000 tons) and different undocking conditions.

[0026] Based on the above reasons, this utility model can be widely promoted in the fields of mooring cable traction and guidance. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a perspective view of the device for guiding the cable during dock launching according to this utility model.

[0029] Figure 2 This is a front view of the device for guiding the launching cable in a dock according to this utility model.

[0030] Figure 3 This is a side view of the device for guiding the launching cable in a dock according to this utility model.

[0031] Figure 4 This is a top view of the device for guiding the launching cable in a dock according to this utility model.

[0032] Figure 5 This is a schematic diagram of the structure of the support base of this utility model.

[0033] Figure 6 This is a schematic diagram of the guiding device of this utility model.

[0034] Figure 7 This is a schematic diagram of the front and rear roller transmission device of this utility model.

[0035] Figure 8 This is a schematic diagram of the front and rear clamps of this utility model.

[0036] Figure 9 This is a schematic diagram of the limiting and protective device of this utility model.

[0037] Figure 10 This is a front view of the bow and stern of this utility model.

[0038] Figure 11 This is a top view of the present invention from the midship direction.

[0039] In the diagram: 1. Base plate; 2. Positioning bushing; 3. Wheel; 4. Wheel axle panel; 5. Shaft; 6. Top panel; 7. Side plate; 8. Cover plate; 9. Roller; 10. Panel; 11. Shaft; 12. Guide wheel flange; 13. Guide wheel panel; 14. Cable guide wheel; 15. Guide wheel shaft; 16. Fixture; 17. Clamp; 18. Pin; 19. Fixed shaft; 20. Fixture box; 21. Guide. 22. Reinforcing shaft plate; 23. Reinforcing panel; 24. Reinforcing rib; 25. Flange clamp; 26. Fixture positioning shaft; 27. Horizontal shaft; 28. Handle; 29. ​​Cable winch; 30. Cable; 31. Cement base for mooring trolley track; 32. Upper edge of the dock; 33. Towing lug; 34. Very large crude carrier; 35. Trolley track; 36. Side outer plate; 37. Winch; 38. Mooring trolley. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0041] The following are the main technical problems existing in current dock-based cable operations:

[0042] 1. Cable friction problem

[0043] During the semi-floating phase of a vessel's entry into or exit from dry dock, the towing jacks are limited in height, preventing the cable from extending above the top of the dry dock. When the external winch releases the cable, it rubs directly against the edge of the dry dock. This friction leads to:

[0044] (1) The surface of the cable is severely worn, shortening its service life;

[0045] (2) Uneven stress distribution on the cable, with localized stress concentration, makes it prone to breakage;

[0046] (3) High frictional resistance affects the traction efficiency of the winch and increases energy consumption.

[0047] 2. Insufficient automation

[0048] (1) It cannot be linked with the winch and mooring trolley, and the position needs to be adjusted frequently by hand;

[0049] (2) During the process of the ship entering and leaving the dock, the cable may be bent, slack or overstretched due to the trolley lagging behind or mismatched position.

[0050] (3) Manual operation is labor-intensive, inefficient, and carries operational risks.

[0051] 3. Issues related to shipboard coordination

[0052] (1) When a ship is berthing or leaving the dock, the mooring trolley usually pulls the ship along the track. The current fixed guiding device cannot keep in sync with the mooring trolley:

[0053] (2) The cable guide trolley lags behind, causing the relative position of the cable and the ship to shift, increasing the risk of unstable cable force;

[0054] (3) It is impossible to “move with the ship”, causing the cable to jump and wear when the ship moves.

[0055] 4. Safety hazards

[0056] (1) Friction, job hopping, and instability may lead to:

[0057] (2) The cable broke, endangering the safety of the ship and personnel;

[0058] (3) Cable entanglement affects the progress of the operation and may even force the operation to be interrupted;

[0059] (4) High-intensity human intervention increases the risk of accidents in port operations.

[0060] Therefore, this utility model provides a device for guiding cables during dock launching, comprising: a support base, a guide device 21, multiple sets of roller transmission devices, a clamping device, and a limiting and protective device. The guide device 21 is located in the upper middle part of the support base and has an overall cylindrical spindle structure that is thicker at both ends and thinner in the middle (the overall structure is trumpet-shaped, with large diameters at both ends and narrowing in the middle). It is used to flexibly limit and guide the cable to prevent the cable from rubbing against the edge of the dock. A through hole is provided at the bottom of the guide device 21, which runs through the entire device, for the winch 37 wire rope to pass through. Through this through hole, the winch 37 wire rope can maintain linkage with this device and drive the device. The track reciprocates on the track; multiple sets of roller drive devices are installed on the support base and distributed in the front, back, left and right directions below the guide device 21; the roller drive device includes rollers 9, and multiple sets of rollers 9 are slidably connected to the upper surface of the track below the support base; clamping devices are provided at the front and back of the guide device 21, and the clamping devices are installed on the top of the support base, including two clamps 16, and the inner side of each clamp 16 is equipped with a clip 17; guide wheel assemblies are connected to the clamping devices, and the guide wheel assemblies include cable guide wheels 14; multiple sets of limiting protection devices are provided on the inner walls of both sides of the support base, and the limiting protection devices include wheels 3, and multiple sets of wheels 3 are slidably connected to the two side walls of the track.

[0061] Preferably, the support base is a steel frame structure in an inverted U-shape, including an upper panel 6 and side panels 7. The side panels 7 are fixedly connected to both sides of the upper panel 6, and a reinforcing panel 23 is connected to the bottom of the side panels 7. Multiple reinforcing ribs 24 are provided on the outer wall of the side panels 7. The support base is made of Q335 high-strength steel and manufactured into a cuboid frame structure through welding. This structure not only provides solid support for the entire device, but the side elbow plate reinforcement also provides excellent torsional resistance when the cable is guided. The upper surface of the support base is an mounting plane for installing other components, and the side panels have multiple connection holes for easy bolt connection and fixation with components such as limit protection devices.

[0062] Preferably, the clamping device further includes a fixed shaft 19 and a clamping box 20. The clamping box 20 is mounted on the upper panel 6 of the support base. The clamps 16 are mounted in the clamping box 20 via a clamping positioning shaft 26. Each clamp 16 has a hole at its top, through which a fixed shaft 19 parallel to the axis of the clamping positioning shaft 26 passes. Both ends of the fixed shaft 19 protruding from the clamp 16 are locked by pins 18. A threaded hole is formed in the middle of the fixed shaft 19, with the axis of the threaded hole perpendicular to the axis of the clamping positioning shaft 26. A horizontal shaft 27 is connected to the threaded holes on both clamps 16. The horizontal shaft 27 has two external threads with opposite directions, which are threaded into the threaded holes on the two clamps 16 respectively. A handle 28 is provided at one end of the horizontal shaft 27. Rotating the handle 28 rotates the horizontal shaft 27, which in turn drives the two clamps 16 to open and close through the two external threads with opposite directions.

[0063] Preferably, the guide wheel assembly further includes a guide wheel flange 12, a guide wheel panel 13, and a guide wheel shaft 15. The guide wheel flange 12 is mounted on the clamp box 20, the guide wheel panel 13 is mounted on the guide wheel flange 12, the guide wheel shaft 15 is mounted on the guide wheel panel 13, and the cable guide wheel 14 is mounted on the guide wheel shaft 15 via bearings. A flange clip 25 is installed on the clamp box 20, and the end of the clamp positioning shaft 26 is connected between the flange clip 25 and the guide wheel flange 12. The clamp device adopts an openable snap-fit ​​structure, and the cable guide wheel 14 is connected to the steel wire rope above the track. Winches 37 are respectively provided at the head and tail of the dock to drive the steel wire rope to reciprocate, thereby driving the device to run along the track.

[0064] Preferably, the roller drive device further includes a housing and a rotating shaft 11. The upper panel 6 of the support base has multiple mounting holes, and the housing is installed in these holes. The housing is welded together from two side panels 10 and a central cover plate 8. The two ends of the rotating shaft 11 are respectively mounted on the two side panels 10, and the rollers 9 are mounted on the rotating shaft 11 via bearings. In this embodiment, a total of four rollers are provided, distributed in the front, back, left, and right directions, all in contact with the track, to support and stabilize the operation of the device.

[0065] Preferably, the limiting and protective device further includes a base plate 1, a positioning bushing 2, a wheel axle panel 4, and a shaft 5. The base plate 1 is fixed to the side plate 7 of the support base by multiple sets of bolts. The wheel axle panel 4 is mounted on the base plate 1. Both ends of the shaft 5 are mounted on the wheel axle panel 4. The wheels 3 are mounted on the shaft 5 by bearings. The positioning bushing 2 is connected to the shaft 5 and arranged on both sides of the wheels 3. In this embodiment, four circular wheels 3 are provided, one each in the front, back, left, and right. The wheels 3 can rotate freely through the bearings, thereby reducing friction and ensuring that the device moves smoothly on the track. The wheels 3 are mounted on the support base and located on both sides of the track to limit the lateral displacement of the device and prevent it from deviating from the track. The base plate 1 is provided with multiple holes for connection with the side plate 7 using M22 high-strength bolts to ensure that the wheels 3 can withstand the high-intensity lateral pressure in large dock operations. The outer wall of the side plate 7 is provided with reinforcing shaft plates 22, which are arranged on both sides of the base plate 1.

[0066] The working principle of this utility model:

[0067] In use, confirm that the installation area of ​​this device is the trolley track 35 above the cement base 31 of the mooring trolley track. Clean the trolley track 35 and surrounding debris to ensure the installation surface is flat. Place the dock launching cable guide device of this utility model on the trolley track 35, corresponding to the position of the ship, so that the cable 30 is attached to the middle of the upper surface of the guide device 21. The specific placement method is as follows: align the inverted U-shaped support base with the trolley track 35, so that the upper panel 6 is above the trolley track 35, the two side panels 7 are on the outer sides of the trolley track 35, the four rollers 9 are in contact with the upper part of the trolley track 35, and the wheels 3 on both sides are in contact with the side walls of the trolley track 35 respectively. The trolley track 35 is pre-existing, and the mooring trolley 38 corresponding to the ship is also placed on the trolley track 35. The mooring trolley 38 is connected to the ship's towing lug 33 by ropes. A winch 37 is installed at each end of the trolley track 35, and a steel wire rope connects the two winches 37. The mooring trolley 38 is connected to the steel wire rope. The two winches 37, the mooring trolley 38, the connection method between the mooring trolley 38 and the ship, the mooring trolley 38 pulling the ship via the rope, and the connection between the mooring trolley 38 and the steel wire rope are all existing technologies. The device of this utility model shares a trolley track 35 with the mooring trolley 38, and is also connected to the steel wire rope between the two winches 37.

[0068] After the device is placed on the trolley track 35, it is connected to the wire rope between the two winches 37. The wire rope first passes over the cable guide wheel 14 at one end of the device, then passes between the two clamps 16 at one end, and then through the through hole at the bottom of the guide device 21. After exiting the through hole, it passes between the two clamps 16 at the other end, and then passes over the cable guide wheel 14 at the other end of the device. Each clamp 16 at each end has a clip 17 installed on its inner side. Each clip 17 has a semi-circular groove on its inner side. The semi-circular grooves of the two clips 17 interlock to form a circular groove, which clamps and fixes the wire rope to the device. Rotating the handle 28 drives the horizontal shaft 27 to rotate. Since the two external threads have opposite directions, the two clamps 16 can be driven to move closer or further apart. When they move closer, they clamp and fix the wire rope, thus achieving a fixed connection between the device and the wire rope.

[0069] Start the two winches 37 to drive the device and the mooring trolley 38 to move along the trolley track 35, and move forward in the same direction and at the same speed as the mooring trolley 38, so as to move with the ship.

[0070] After the operation is completed, turn off the winch 37, rotate the horizontal shaft 27 in the opposite direction to move the two clamps 16 away from each other, and release the cable.

[0071] Figure 10 The image shows a VLCC (Very Large Crude Carrier 34) in a semi-floating state. At this point, the distance between the towing lug 33 (out of dock) and the upper edge 32 of the dock is H1 = 4281 mm. The height of the concrete base 31 of the mooring trolley track in the dock is H2 = 500 mm, resulting in a height difference of H3 = 4781 mm. The towing lug 33 is L1 = 5047 mm from the edge of the dock. At this point, the vertical angle of the cable 30 is 43°. This device shares a track with the mooring trolley 38 and moves synchronously with the ship under the traction of the wire rope, thus maintaining a constant vertical angle. The cable-guided device (cable-guided trolley) of this invention runs on the track at the top of the dock. The cable-guided trolley uses a horn-shaped anti-friction structure to smoothly guide the cable 30, preventing damage to the cable 30 due to excessive force.

[0072] Figure 11 The horizontal distance L2 between the cable reel 31 and the towing lug 33 (marked in the center) is 12447mm. The horizontal distance L3 between the outer side plate 36 and the center of the trolley track 35 is 5386mm. The longitudinal distance L4 between the towing lug 33 and the center of the trolley track 35 is 7625mm. The horizontal angle θ of the cable 30 is 125° at this point. As the trolley moves synchronously with the ship, the horizontal angle changes continuously, but the cable still rotates at the center of the trolley, preventing vertical offset that could cause cable slippage. Therefore, this trolley is perfectly suitable for various ship types in the shipyard's dry dock, including those in floating states.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for guiding the launching cables of a ship during launching from a dock, characterized in that The utility model relates to a kind of cable winding and unwinding device, including: Support base, guide device (21), multiple groups of roller transmission devices, clamp device and limiting protection device, the guide device (21) is located the upper middle part of support base, overall is the cylinder fusiform structure of two thick, middle thin;The bottom of the guide device (21) is provided with the through hole for the wire rope of winch (37) to pass through; The multiple groups of roller transmission devices are installed on support base, and are distributed below the guide device (21) front and back left and right;The roller transmission device includes roller (9), and multiple groups of rollers (9) are slidably connected with the upper surface of track below support base; The front and back of the guide device (21) are provided with clamp device, and the clamp device is installed on the top of support base, including two clamps (16), the inner side of the clamp (16) is equipped with clip (17);The clamp device is connected with guide wheel assembly, and the guide wheel assembly includes cable guide wheel (14); The inner wall of the both sides of the support base is equipped with multiple groups of limiting protection device, and the limiting protection device includes wheel (3), and multiple groups of wheels (3) are slidably connected with the two side walls of track.

2. A device for guiding the launching cables of a ship in a dock according to claim 1, characterized in that, The support base is inverted U-shaped structure, including upper panel (6) and side plate (7), the both sides of the upper panel (6) are fixedly connected with side plate (7), and the bottom of the side plate (7) is connected with reinforcing panel (23).

3. The device for guiding the launching cables of a dock according to claim 1, characterized in that, The clamp device further includes fixed shaft (19) and clamp box (20), the clamp box (20) is installed on the upper panel (6) of support base, the lower side of the clamp (16) is installed in the clamp box (20) through clamp positioning shaft (26), the upper side of each clamp (16) is provided with hole, the hole is provided with fixed shaft (19) penetrating, the axis of the fixed shaft (19) is parallel with the axis of clamp positioning shaft (26), the both ends of the fixed shaft (19) are locked through pin (18) after penetrating out of the clamp (16), the middle part of the fixed shaft (19) is provided with threaded hole, the axis of the threaded hole is perpendicular to the axis of clamp positioning shaft (26), the threaded holes on the two clamps (16) are jointly connected with horizontal shaft (27), the horizontal shaft (27) is provided with two sections of external threads with opposite screw directions, the two sections of external threads are respectively screwed with the threaded holes on the two clamps (16), and one end of the horizontal shaft (27) is provided with handle (28).

4. A device for guiding the launching cables of a ship dock according to claim 3, characterized in that, The guide wheel assembly further includes guide wheel flange (12), guide wheel panel (13) and guide wheel shaft (15), the guide wheel flange (12) is installed on the clamp box (20), the guide wheel panel (13) is installed on the guide wheel flange (12), the guide wheel shaft (15) is installed on the guide wheel panel (13), the cable guide wheel (14) is installed on the guide wheel shaft (15) through bearing, the clamp box (20) is installed with flange clip (25), and the end of the clamp positioning shaft (26) is connected between the flange clip (25) and the guide wheel flange (12).

5. The device for guiding the launching cables of a dock according to claim 1, characterized in that, The roller transmission device further comprises a housing and a rotating shaft (11), a plurality of mounting holes are formed in the upper panel (6) of the support base, the housing is mounted in the mounting holes, the housing is welded by two side panels (10) and a middle cover plate (8), two ends of the rotating shaft (11) are respectively mounted on the two side panels (10), and the roller (9) is mounted on the rotating shaft (11) through a bearing.

6. The device for guiding the launching cables of a dock according to claim 1, characterized in that, The limiting protection device further comprises a base plate (1), a positioning shaft sleeve (2), an axle panel (4) and a shaft (5), the base plate (1) is fixed on the side plate (7) of the support base through a plurality of groups of bolts, the axle panel (4) is mounted on the base plate (1), two ends of the shaft (5) are mounted on the axle panel (4), the wheel (3) is mounted on the shaft (5) through a bearing, and the positioning shaft sleeve (2) is connected to the shaft (5) and arranged on the two sides of the wheel (3).

7. A device for guiding the launching cables of a ship dock according to claim 6, characterized in that, The outer wall of the side plate (7) is provided with a reinforcing shaft plate (22), and the reinforcing shaft plate (22) is arranged on the two sides of the base plate (1).

8. The device for guiding the launching cables of a dock according to claim 2, characterized in that, The outer wall of the side plate (7) is provided with a plurality of reinforcing ribs (24).

Images