Electric hydraulic plug shaft device for ship

Abstract

The utility model discloses a ship electric hydraulic plug shaft device which comprises a guide rail assembly, a driving walking vehicle and a driven walking vehicle which are arranged on the guide rail assembly in a sliding mode, and a power hydraulic pump station used for controlling the driving walking vehicle to move. According to the electric hydraulic shaft plugging device, the shaft plugging speed of a shaft system can be accurately controlled, meanwhile, the upper position, the lower position, the left position and the right position of the shaft system can be adjusted in real time in the shaft plugging process, the shaft plugging efficiency and the shaft system installation precision are improved, the reliability and the safety of shaft plugging of the shaft system are guaranteed, and a large amount of labor cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shipbuilding technical field especially relates to a ship electric hydraulic plug axle device. BACKGROUND

[0002] The ship power device is the heart of the ship, and the ship shafting is a whole set of equipment from the output end of the main engine or the transmission equipment to the propeller, which generally includes the propeller shaft, the stern shaft, the intermediate shaft, the bearing and the shafting accessories, etc. The installation of the propeller shaft and the stern shaft is usually carried out by using the winch and the plug axle trolley. The plug axle trolley is pulled forward by the winch and the steel wire rope, and a lifting ring needs to be installed. The shaft speed of the winch cannot be accurately controlled. The up-down and left-right adjustment of the plug axle trolley is adjusted by manpower, which is time-consuming, laborious and low in efficiency. SUMMARY

[0003] Therefore, the utility model provides a ship electric hydraulic plug axle device to solve the problems in the above background art.

[0004] A ship electric hydraulic plug axle device, comprising a guide rail assembly, a driving walking trolley and a driven walking trolley slidingly arranged on the guide rail assembly, and a power hydraulic pump station for controlling the movement of the driving walking trolley,

[0005] The driving walking trolley and the driven walking trolley each comprise a trolley body, a walking roller arranged at the bottom of the trolley body and slidingly arranged on the guide rail assembly, a V-shaped shaft support base arranged above the trolley body by a lifting mechanism, a V-shaped shaft support arranged on the V-shaped shaft support base, and a horizontal moving mechanism. A V-shaped groove for clamping and supporting the shafting is formed in the center of the V-shaped shaft support. A clamping hoop for tightly clamping the shafting is arranged at the top of the V-shaped shaft support. The horizontal moving mechanism is arranged on both sides of the shafting to adjust the horizontal position of the shafting. The movable end of the horizontal moving mechanism horizontally abuts against the side surface of the shafting. A pull ring and a hydraulic distribution valve are arranged on the side surface of the trolley body. The hydraulic distribution valve is connected to the power hydraulic pump station through a distribution pipeline.

[0006] The driving walking trolley further comprises a driving motor for controlling the start and stop of the trolley. The driving motor is connected to the walking roller of the trolley through a driving mechanism. The pull ring of the driving walking trolley is connected to the pull ring of the driven walking trolley through a traction rope.

[0007] Preferably, the guide rail assembly comprises a support and guide rails fixed on the support. The walking roller is movably arranged in the guide rail.

[0008] Preferably, the lifting mechanism comprises a lifting oil cylinder. The cylinder barrel of the lifting oil cylinder is fixed at the top center of the trolley body, and the piston rod is fixed at the bottom center of the V-shaped shaft support base. The lifting oil cylinder is connected to the hydraulic distribution valve through a distribution pipeline.

[0009] Preferably, the lifting mechanism further comprises a plurality of vertically arranged lifting guide columns, the plurality of lifting guide columns are symmetrically arranged on both sides of the lifting oil cylinder, one end of the lifting guide column is fixed on the top of the trolley body, and the other end is fixed on the bottom of the V-shaped shaft support base.

[0010] Preferably, the transverse moving mechanism comprises a transverse moving oil cylinder, a cylinder barrel of the transverse moving oil cylinder is fixed on the V-shaped shaft support base, a piston rod horizontally abuts against a side surface of the V-shaped shaft support, and the transverse moving oil cylinder is connected with the hydraulic distribution valve through a distribution pipeline.

[0011] Preferably, the V-shaped shaft support base is provided with at least one V-shaped shaft support, the V-shaped shaft support comprises two shaft support pieces which are symmetrically arranged along a center line of the V-shaped shaft support base, inner side surfaces of the shaft support pieces are inclined surfaces, and each shaft support piece is fixed with a clamping piece at the top.

[0012] Preferably, the power hydraulic pump station comprises an oil tank, a hydraulic pump arranged on the oil tank and a control box, an oil outlet of the hydraulic pump is connected with the hydraulic distribution valve through a hydraulic pipeline, a drain port is arranged at the bottom of the oil tank, and a stop valve is arranged on the drain port.

[0013] Preferably, a plurality of rollers are further arranged at the bottom of the oil tank.

[0014] The electric hydraulic shaft plugging device can accurately control the speed of the shaft system, and can adjust the up, down, left and right positions of the shaft system in real time during the plugging process, thereby improving the plugging efficiency and the shaft system installation precision, ensuring the reliability and safety of the shaft system, and saving a large amount of labor cost.

[0015] The electric hydraulic shaft plugging device can accurately control the speed of the shaft system, and can adjust the up, down, left and right positions of the shaft system in real time during the plugging process, thereby improving the plugging efficiency and the shaft system installation precision, ensuring the reliability and safety of the shaft system, and saving a large amount of labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings required in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0017] Figure 1 is a front view of the active walking vehicle.

[0018] Figure 2 is a side view of the active walking vehicle.

[0019] Figure 3 is a top view of the active walking vehicle.

[0020] Figure 4 is a front view of the driven walking vehicle.

[0021] Figure 5 is a side view of the driven walking vehicle.

[0022] Figure 6 is a top view of the driven walking vehicle.

[0023] Figure 7 is a schematic view of the power hydraulic pump station.

[0024] Figure 8 is a front view of the guide rail assembly.

[0025] Figure 9 is a side view of the guide rail assembly.

[0026] The meanings of the reference numerals in the drawings are as follows:

[0027] 1 is a driving walking vehicle, 11 is a trolley main body, 12 is a walking roller, 13 is a V-shaped shaft support base, 14 is a V-shaped shaft support, 15 is a hoop, 16 is a pull ring, 17 is a hydraulic distribution valve, 18 is a driving motor, 19 is a lifting oil cylinder, 110 is a lifting guide column, and 111 is a transverse moving oil cylinder

[0028] 2 is a driven walking vehicle,

[0029] 3 is a power hydraulic pump station, 31 is an oil tank, 32 is a hydraulic pump, 33 is a control box, 34 is a hydraulic pipeline, 35 is a discharge port, and 36 is a roller,

[0030] 4 is a guide rail assembly, 41 is a support, and 42 is a guide rail

[0031] 5 is a shafting. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will describe the utility model through the specific embodiment shown in the drawings. However, it should be understood that these descriptions are only exemplary, and not to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0033] The terms used in the present disclosure are merely for the purpose of describing specific embodiments, and are not intended to limit the present disclosure. The singular forms "a", "said" and "the" used in the present disclosure and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0034] In order to better understand the technical scheme of the utility model, the utility model will be described in detail below in conjunction with the drawings.

[0035] The utility model discloses a kind of ship electric hydraulic plug shaft devices, including guide rail assembly 4, slidingly set on guide rail assembly active walking car 1 and driven walking car 2, and power hydraulic pump station 3 for controlling active walking car movement.

[0036] The active walking car 1 and driven walking car 2 are used for transporting shafting to plug the shafting into the shaft hole. The active walking car 1 and driven walking car 2 have basically the same structure and each include a trolley body 11, a walking roller 12 arranged at the bottom of the trolley body 11 and slidingly arranged on the guide rail assembly, a V-shaped shaft support base 13 arranged above the trolley body 11 through a lifting mechanism, a V-shaped shaft support 14 arranged on the V-shaped shaft support base 13, and a horizontal moving mechanism.

[0037] The lifting mechanism includes a lifting oil cylinder 19, the cylinder barrel of which is fixed at the top center of the trolley body 11, and the piston rod of which is fixed at the bottom center of the V-shaped shaft support base 13. The lifting oil cylinder 19 is connected with a hydraulic distribution valve 17 through a distribution pipeline. The height direction position of the V-shaped shaft support base 13 can be adjusted through the lifting oil cylinder 19 to adjust the height position of the shafting.

[0038] Preferably, in order to ensure the stability of the lifting of the V-shaped shaft support base 13, the lifting mechanism further includes a plurality of vertically arranged lifting guide columns 110, which are symmetrically arranged on both sides of the lifting oil cylinder 19. The lifting guide columns 110 can be arranged in various forms, for example, the lifting guide columns 110 can be arranged as telescopic columns with variable length, and one end of the lifting guide columns 110 is fixed at the top of the trolley body 11, and the other end is fixed at the bottom of the V-shaped shaft support base 13. Alternatively, the lifting guide columns 110 can be arranged as guide columns with fixed length, and a through hole is formed in the V-shaped shaft support base 13, and one end of the lifting guide columns 110 is fixed at the top of the trolley body, and the other end penetrates through the V-shaped shaft support base 13. When the V-shaped shaft support base 13 moves up and down under the action of the lifting oil cylinder 19, the lifting guide columns 110 can guide and limit the V-shaped shaft support base 13 to move linearly in the vertical direction. In the present embodiment, six lifting guide columns 110 are arranged, which are respectively distributed on the left and right sides of the lifting oil cylinder 19.

[0039] At least one V-shaped shaft support 14 is arranged on the V-shaped shaft support base 13, and a V-shaped groove for clamping and supporting the shafting is formed in the center of the V-shaped shaft support 14. A clamping hoop 15 is arranged at the top of the V-shaped shaft support 14 to tightly clamp the shafting 5.

[0040] Specifically, the V-shaped shaft support 14 comprises two shaft support pieces symmetrically arranged along the center line of the V-shaped shaft support base 13, and the inner side of each shaft support piece is a slope. Since the inner side of each shaft support piece is a slope, a V-shaped groove is formed between the two shaft support pieces, and the shafting 5 is placed in the V-shaped groove. The top of each shaft support piece is fixed with a hoop piece, and the two hoop pieces are symmetrically arranged. When the two hoop pieces are closed, a hoop 15 is formed to tightly hold the shafting 5.

[0041] The shafting 5 is provided with a transverse moving mechanism on both sides, which is used to adjust the transverse position of the shafting 5, so that the axis of the shafting 5 is always coincident with the center line of the stern shaft hole. The movable end of the transverse moving mechanism transversely abuts against the side surface of the shafting 5.

[0042] The transverse moving mechanism comprises a transverse moving oil cylinder 111, the cylinder barrel of which is fixed on the V-shaped shaft support base 13, and the piston rod horizontally abuts against the side surface of the shafting 5.

[0043] The side surface of the trolley main body is provided with a pull ring 16 and a hydraulic distribution valve 17. The hydraulic distribution valve 17 is connected with the power hydraulic pump station through a hydraulic pipeline. The lifting oil cylinder 19 and the transverse moving oil cylinder 111 are connected with the hydraulic distribution valve 17 through distribution pipelines.

[0044] The active walking trolley further comprises a driving motor 18 for controlling the start and stop of the trolley. The driving motor 18 is connected with the walking roller 12 through a driving mechanism. The pull ring of the active walking trolley is connected with the pull ring of the driven walking trolley through a traction rope. In the embodiment, the driving motor 18 is a variable frequency motor, which has a self-locking function when it stops running. The variable frequency motor is safe and reliable on uphill and downhill.

[0045] The power hydraulic pump station 3 comprises an oil tank 31, a hydraulic pump 32 arranged on the oil tank 31, and a control box 33. The oil outlet of the hydraulic pump 32 is connected with the hydraulic distribution valve 17 through a hydraulic pipeline 34. The oil tank 31 is used to store pressure oil. The hydraulic pump 32 pumps the oil in the oil tank 31 out and sends it to the hydraulic distribution valve 17 through the hydraulic pipeline 34. The hydraulic distribution valve 17 distributes the oil to the lifting oil cylinder 19 and the transverse moving oil cylinder 111.

[0046] The bottom of the oil tank 31 is provided with a drain port 35, and a stop valve is installed on the drain port 35. The drain port 35 is used to empty the oil tank for cleaning.

[0047] A plurality of rollers 36 are further installed on the bottom of the oil tank 31.

[0048] In actual use, the liquid level of the pressure oil in the oil tank 31 should be higher than 1 / 2 of the liquid level.

[0049] The guide rail assembly 4 comprises a support 41, guide rails 42 fixed on the support 41, and the walking rollers 12 of the driving walking vehicle 1 and the driven walking vehicle 2 are movably arranged in the guide rails 42, the specifications of the guide rails 42 match the specifications of the walking rollers 12, and the opening distance between the two guide rails 42 is equal to the opening distance between the left and right walking rollers 12.

[0050] The support 41 is welded by channel steel, angle steel and flat steel, and when the support is arranged, the slope of the upper plane of the support should be noted. The height of the upper plane of the support 41 should be equal to the height from the center line of the shafting to the berth or the bottom of the dock minus the height from the contact surface between the walking roller and the guide rail to the center line of the shafting.

[0051] The use method of the ship electric hydraulic shaft plugging device comprises the following steps:

[0052] In the first step, the guide rail assembly 4 is installed according to the height from the center line of the shafting to the berth or the bottom of the dock, the opening distance between the two guide rails 42 is equal to the opening distance between the left and right walking rollers 12, the installation height of the guide rail needs to meet the shaft plugging requirement, and the installation slope of the guide rail is consistent with the inclination angle of the shafting.

[0053] In the second step, the driving walking vehicle 1 is installed at the front end (higher position) of the guide rail, the driven walking vehicle 2 is installed at the rear end (lower position) of the guide rail, and the pull ring of the driving walking vehicle is connected to the pull ring of the driven walking vehicle through the traction rope.

[0054] In the third step, the hydraulic pump 32 of the power hydraulic pump station 3 is connected to the hydraulic distribution valve 17 of the driving walking vehicle 1 and the driven walking vehicle 2 through the hydraulic pipeline 34 respectively, and the power supply is connected.

[0055] In the fourth step, the shafting is hung in the V-shaped groove of the V-shaped shaft support 14 of the driving walking vehicle 1 and the driven walking vehicle 2, and the shafting is tightly held by the clamping hoop 15 of the driving walking vehicle 1 and the driven walking vehicle 2.

[0056] In the fifth step, the power supply is turned on through the power switch on the control box 33, and the position of the shafting in the vertical and horizontal directions is adjusted by the lifting oil cylinder 19 and the transverse oil cylinder 111.

[0057] In the sixth step, the driving motor 18 of the driving walking vehicle 1 is controlled by the control box 33, the driving walking vehicle 1 pulls the driven walking vehicle 2, the shafting is gradually plugged into the stern shaft hole, and attention should be paid to the uniformity of the gap between the outer circle of the shafting and the inner circle of the stern shaft during the shaft plugging process. If the gap is found to be uneven, the shaft plugging should be stopped, the position should be adjusted again in the fifth step, and then the shaft plugging should be continued until the shaft plugging is completed.

[0058] It should be clear that the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the present application.

Claims

1. A marine electro-hydraulic piston shaft device, characterized in that, It includes a guide rail assembly (4), an active traveling vehicle (1) and a driven traveling vehicle (2) slidably mounted on the guide rail assembly, and a power hydraulic pump station (3) for controlling the movement of the active traveling vehicle. Both the active walking vehicle (1) and the driven walking vehicle (2) include a trolley body (11), a walking roller (12) set at the bottom of the trolley body (11) and slidably set on the guide rail assembly, a V-shaped shaft support base (13) set above the trolley body (11) through a lifting mechanism, a V-shaped shaft support (14) set on the V-shaped shaft support base (13) and a transverse movement mechanism. A V-shaped groove is formed in the center of the V-shaped shaft support (14) for securing and supporting the shaft system. A clamp (15) is set on the top of the V-shaped shaft support (14) for holding the shaft system (5). The transverse movement mechanism is set on both sides of the shaft system (5) to adjust the transverse position of the shaft system (5). The movable end of the transverse movement mechanism is laterally pushed against the side of the shaft system (5). A pull ring (16) and a hydraulic distribution valve (17) are provided on the side of the trolley body. The hydraulic distribution valve (17) is connected to the power hydraulic pump station through a hydraulic pipeline. The active walking vehicle also includes a drive motor (18) for controlling the start and stop of the vehicle. The drive motor (18) is connected to its walking roller (12) through a drive mechanism. The pull ring of the active walking vehicle is connected to the pull ring of the driven walking vehicle through a traction rope.

2. The marine electro-hydraulic piston shaft device according to claim 1, characterized in that, The guide rail assembly (4) includes a support (41), a guide rail (42) fixed on the support (41), and a traveling roller (12) movably disposed in the guide rail (42).

3. The marine electro-hydraulic piston shaft device according to claim 1, characterized in that, The lifting mechanism includes a lifting cylinder (19), the cylinder of which is fixed at the top center of the trolley body (11), and the piston rod is fixed at the bottom center of the V-shaped shaft support base (13). The lifting cylinder (19) is connected to the hydraulic distribution valve (17) through a distribution pipeline.

4. The marine electro-hydraulic piston shaft device according to claim 3, characterized in that, The lifting mechanism also includes multiple vertically arranged lifting guide columns (110), which are symmetrically arranged on both sides of the lifting cylinder (19). One end of the lifting guide column is fixed to the top of the trolley body (11), and the other end is fixed to the bottom of the V-shaped shaft support base (13).

5. The marine electro-hydraulic piston shaft device according to claim 1, characterized in that, The lateral movement mechanism includes a lateral movement cylinder (111), the cylinder of which is fixed on a V-shaped shaft support base (13), and the piston rod is horizontally pressed against the side of the V-shaped shaft support (14). The lateral movement cylinder (111) is connected to a hydraulic distribution valve (17) through a distribution pipeline.

6. The marine electro-hydraulic piston shaft device according to claim 1 or 5, characterized in that, At least one V-shaped shaft support (14) is provided on the V-shaped shaft support base (13). The V-shaped shaft support (14) includes two shaft support members symmetrically arranged along the center line of the V-shaped shaft support base (13). The inner side of the shaft support member is a slope. A clamping plate is fixed on the top of each shaft support member. When the two symmetrical clamping plates on the left and right are put together, they form a clamping plate (15) for holding the shaft system tightly.

7. The marine electro-hydraulic piston shaft device according to claim 1, characterized in that, The power hydraulic pump station (3) includes an oil tank (31), a hydraulic pump (32) installed on the oil tank (31), and a control box (33). The oil outlet of the hydraulic pump (32) is connected to the hydraulic distribution valve (17) through a hydraulic pipeline (34). A vent (35) is provided at the bottom of the oil tank (31), and a shut-off valve is installed on the vent (35).

8. The marine electro-hydraulic piston shaft device according to claim 7, characterized in that, The bottom of the oil tank (31) is also equipped with multiple rollers (36).

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