CN215904709U - A remove and rise platform for installation of boats and ships steering oar - Google Patents

Abstract

The invention discloses a mobile lifting platform for mounting a ship rudder propeller, which comprises a mobile platform, wherein a horizontal lifting platform is arranged on the mobile platform through a lifting mechanism; the four corners of the bottom of the mobile platform are provided with walking wheel mechanisms, and a supporting mechanism is arranged beside each walking wheel mechanism; the traveling wheel mechanism is erected on the assembled track; a moving platform lifting lug is arranged on the side surface of the moving platform; a hydraulic pump station is fixed at the bottom of the mobile platform; the upper surface of the mobile platform is also provided with a power distribution cabinet and an electrical control cabinet; the platform can be used for stably, smoothly, accurately and conveniently mounting the rudder or the paddle of the ship.

Description

A remove and rise platform for installation of boats and ships steering oar

Technical Field

The invention relates to the field of ship manufacturing, in particular to a mobile lifting platform for installing a ship rudder propeller.

Background

The rudder and the oar of the ship are ship steering and power devices. The rudder is usually made of steel materials, and has large size, high gravity center, heavy weight and small cross section width; the paddle is usually made of brass, the shape of the paddle is complex, the middle cylinder structure is large in weight, and the supporting point is small; when a ship rudder propeller is installed, the weight of the rudder and the propeller is large and often reaches more than one hundred tons, the positioning precision requirement is high, the installation space is limited, and the installation cannot be assisted by a large crane.

In addition, when the ship rudder propeller is installed, because the weight of the rudder and the propeller is large, when the rudder and the propeller are moved to the designated positions, a large-scale platform is often needed for transportation, the steering process cannot be avoided in the transportation process of the large-scale platform, and in the steering process, the track design and the traveling wheel design in the traditional technology are often very inconvenient.

Disclosure of Invention

The invention aims to provide a mobile lifting platform for mounting a ship rudder and oar, so that the rudder or oar of a ship can be stably, smoothly, accurately and conveniently mounted by using the platform.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mobile lifting platform for mounting a ship rudder propeller comprises a mobile platform, wherein a horizontal lifting platform is arranged on the mobile platform through a lifting mechanism;

the four corners of the bottom of the mobile platform are provided with walking wheel mechanisms, and a supporting mechanism is arranged beside each walking wheel mechanism; the traveling wheel mechanism is erected on the assembled track;

a moving platform lifting lug is arranged on the side surface of the moving platform; a hydraulic pump station is fixed at the bottom of the mobile platform; the upper surface of the mobile platform is also provided with a power distribution cabinet and an electrical control cabinet;

the walking wheel mechanism comprises a supporting frame with an upper opening and a lower opening, at least two walking wheels are respectively fixed in the supporting frame through wheel shafts, and the wheel shafts are arranged on the supporting frame in a rolling manner through bearings; the center of the tread of the walking wheel is inwards concave; the bottommost end of the wheel shaft is lower than the bottommost ends of the two side surfaces of the supporting frame parallel to the wheel shaft;

the upper surface of the supporting frame is provided with a supporting plate, and two sides of the bottom of the supporting plate are connected with a vertical connecting plate; the connecting plate is attached to the outer side of the supporting frame and fixed to the supporting frame through a first pin shaft; the topmost end of the wheel shaft is lower than the lower surface of the supporting plate;

a vertical connecting column is fixed on the upper surface of the supporting plate, the top end of the connecting column is connected with a steering end at the bottom end of a vertical steering hydraulic cylinder, and the top end of the steering hydraulic cylinder is connected to the bottom of the mobile platform through a horizontally arranged connecting flange;

at least one wheel shaft is connected with the hydraulic motor speed reduction all-in-one machine, and the hydraulic motor speed reduction all-in-one machine is fixed outside the supporting frame;

the supporting mechanism comprises a fixed hydraulic cylinder fixed at the bottom of the moving platform, and the telescopic end of the fixed hydraulic cylinder is vertically downwards connected with the horizontal supporting disc; when the telescopic end of the fixed hydraulic cylinder moves to the bottommost end, the supporting disc is lower than the bottom end of the walking wheel mechanism;

the spliced track is formed by splicing a plurality of groups of track assemblies, each track assembly comprises a horizontal long-strip-shaped base, a protruding guide rail is fixedly arranged on the upper surface of the base through a pressing plate in a pressing mode, and the central axis of the protruding guide rail and the central axis of the base are located on the same vertical plane;

the length of the protruding guide rail is the same as that of the base; the protruding guide rail horizontally protrudes out of the base at the head end, so that a blank area is reserved at the tail end of the base; the blank area is provided with an embedding opening, and the embedding opening comprises a truncated cone-shaped embedding hole with a smaller end facing downwards and an embedding strip connected with the embedding hole; the center of the embedding hole is positioned on the central axis of the base, and the embedding strip is positioned on the central axis of the base; an embedded body corresponding to the embedded port is fixed at the bottom of the head end of the protruding guide rail horizontally protruding out of the base;

two adjacent track assemblies are detachably connected through an embedding body embedded in the embedding port;

the lifting platform comprises a lifting base and four lifting installation bodies which are respectively installed at four corners of the lifting base; the four lifting installation bodies are respectively fixed on the four lifting mechanisms;

a plurality of ball devices are longitudinally and transversely arranged and fixed on the upper surface of the lifting base, each ball device comprises a cylindrical ball base vertically fixed on the upper surface of the lifting base, and balls are arranged in the ball bases; the ball base is covered with a ball cover plate, the center of the ball cover plate is provided with a cover plate opening, and the top of the ball protrudes from the cover plate opening;

the lifting mounting body comprises a supporting column of which the bottom end is fixed on the lifting base, a lifting connecting plate horizontally extends from the top end of the supporting column towards the direction departing from the lifting base, and a vertically through bolt hole is formed in one end, far away from the supporting column, of the lifting connecting plate;

a plurality of adjusting hydraulic cylinders are arranged at the edge of the upper surface of the lifting base, and the telescopic ends of the adjusting hydraulic cylinders are vertical to the edge of the lifting platform and face inwards;

the lifting mechanism comprises a lifting base, a vertical lifting guide pillar is fixed above the lifting base, a guide pillar sleeve is slidably sleeved on the lifting guide pillar and connected to a horizontal lifting support plate, a lifting lug plate is fixed at the bottom of the lifting support plate and hinged to a connecting block through a second pin shaft, and the connecting block is fixed at the top end of the telescopic end of a lifting hydraulic cylinder;

the lifting support plate is supported below the lifting connecting plate and is fixed with the lifting connecting plate through a bolt;

the four lifting bases are respectively fixed at four corners of the upper surface of the mobile platform.

The guide post cover includes: a bottom circular cylinder and an upper circular cylinder connected above the bottom circular cylinder;

the bottom circular cylinder comprises a self-lubricating graphite copper sleeve sleeved on the outer wall of the lifting guide pillar and a sleeve body sleeved on the outer wall of the self-lubricating graphite copper sleeve; the bottom of the self-lubricating graphite copper sleeve is connected to a horizontal ring bottom plate, and the ring bottom plate extends to the position right below the sleeve body and is connected with the sleeve body through a bolt; a circular ring top plate extends from the top of the sleeve body towards the direction of the lifting guide pillar, and the circular ring top plate is tightly attached to the upper part of the self-lubricating graphite copper sleeve; gaps are reserved between the circular ring top plate and the circular ring bottom plate and the outer wall of the lifting guide pillar;

the upper circular ring column body is sleeved on the lifting guide pillar, and the bottom end of the upper circular ring column body is connected to the upper surface of the circular ring top plate; a gap is left between the upper circular cylinder and the lifting guide post.

The lifting base is of a rectangular structure, and the adjusting hydraulic cylinder is only arranged at the edge positions close to the two long sides of the lifting base; the adjusting hydraulic cylinders are four and are respectively arranged at the adjacent positions of the four lifting installation bodies.

The supporting frame is a rectangular frame; the bottommost ends of the two side surfaces of the supporting frame, which are vertical to the wheel axle, are lower than the bottommost ends of the two side surfaces of the supporting frame, which are parallel to the wheel axle; the bottommost ends of the two side surfaces of the supporting frame perpendicular to the wheel axle are lower than the bottommost end of the wheel axle.

The first pin shaft is parallel to the wheel shaft.

Each walking wheel mechanism comprises two walking wheels, and two wheel shafts respectively connected to the two walking wheels are connected through a transmission system.

The bottom of the convex guide rail extends out of the convex structures towards two sides, and the outer sides of the convex structures are provided with limit blocks welded on the base.

The limiting block and the protruding structure are provided with a pressing plate in an upward pressing mode, and the pressing plate is fixedly connected with the limiting block through a bolt.

Concave strips are arranged on two sides of the base; and a track lifting lug is arranged at the concave strip.

Compared with the prior art, the invention has the advantages that:

1. to the pin-connected panel track, can splice the use behind the track subassembly of appointed quantity through the cooperation hoist and mount of loop wheel machine and lug as required, because the position correspondence setting of embedding body and inlay the mouth can guarantee that the protruding guide rail on two adjacent track subassemblies is located same straight line to the process of assembling need not the fastener, thereby efficiency is very high. And the arrangement of the limiting block and the pressing plate can also ensure that the protruding guide rail is positioned on the central axis. During the dismouting, also only need with adjacent track subassembly disassemble can, very convenient and efficient. Therefore, when the direction of the track needs to be changed, the track only needs to be disassembled and assembled again, and the track is very convenient.

2. The moving platform utilizes the travelling wheel mechanism, when the steering is needed, the travelling wheel mechanism is lifted off the track through the supporting mechanism, the track direction is changed, the travelling wheel is controlled to integrally rotate to the track direction through the steering hydraulic cylinder, the moving platform is put down again through the supporting mechanism, the travelling direction can be changed, the whole moving platform does not need to be steered in the process, and the steering is very convenient.

3. The elevating mechanism can ensure that the levelness of the lifting base in the lifting process is high and the lifting is stable, because the lifting lug plate can rotate to adjust the advancing direction of the lifting lug plate in the lifting process, the lifting support plate can move along the lifting guide pillar all the time, and the lifting support plate can ensure that the lifting base is kept in a horizontal state all the time.

4. The lifting base is supported by the balls, so that a large rudder or paddle can be pushed to move on the lifting base by using a small force of the adjusting hydraulic cylinder, and the position of the large rudder or paddle can be adjusted to achieve an accurate installation position. Therefore, the platform has the advantages of labor saving, stability, high accuracy and the like.

Drawings

FIG. 1 is a schematic view of a mobile lift platform of the present invention;

FIG. 2 is a schematic view of a lift platform of the present invention;

FIG. 3 is a schematic view of the ball bearing assembly of the present invention;

FIG. 4 is an exploded view of the ball bearing assembly of the present invention;

FIG. 5 is a schematic top perspective view of the lift mechanism of the present invention;

FIG. 6 is a schematic side perspective view of the lift mechanism of the present invention;

fig. 7 is an axial cross-sectional view of the guide post sleeve and the guide post sleeve of the lifting mechanism of the present invention;

FIG. 8 is a schematic view of a mobile platform of the present invention;

fig. 9 is a top perspective view of the traction mechanism of the present invention;

FIG. 10 is a bottom perspective view of the travel wheel mechanism of the present invention;

FIG. 11 is a track assembly schematic view of a sectional track of the present invention;

FIG. 12 is an enlarged view of block A of FIG. 11 in accordance with the present invention;

FIG. 13 is a side view of a rail assembly of the sectional rail of the present invention;

FIG. 14 is a side view of the assembled track of the present invention prior to assembly of two adjacent track assemblies;

fig. 15 is a bottom view of the assembled track of the present invention before assembly of two adjacent track assemblies.

In the figure, the device comprises a moving platform 1, a supporting mechanism 10, a walking wheel mechanism 11, a lifting mechanism 13, a lifting mechanism 15, a power distribution cabinet 16, an electrical control cabinet 17, a hydraulic pump station 19 and a moving platform lifting lug;

111. the hydraulic steering system comprises a steering hydraulic cylinder 112, a support plate 113, a support frame 114, a connecting plate 115, a first pin shaft 116, a wheel shaft 117, a road wheel 118, a hydraulic motor speed reduction integrated machine 119 and a connecting flange;

131. the lifting guide column, 132, a lifting base, 133, a guide column sleeve, 134, a lifting support plate, 135, a lifting lug plate, 136, a second pin shaft, 137, a self-lubricating graphite copper sleeve, 138, a circular base plate, 139 and an upper circular cylinder;

2. a lifting platform 21, a lifting installation body 22, a lifting base 23, a ball device 231, a ball base 232, balls 233, a ball cover plate 24 and an adjusting hydraulic cylinder;

51. base, 52, protruding guide rail, 53, embedding mouth, 54, stopper, 55, protruding structure, 56, embedding body, 57, track lug, 58, clamp plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 15, the mobile lifting platform for mounting the rudder propeller of the ship comprises a mobile platform 1, wherein a horizontal lifting platform 2 is arranged on the mobile platform 1 through a lifting mechanism 13;

four corners of the bottom of the mobile platform 1 are provided with walking wheel mechanisms 11, and a supporting mechanism 10 is arranged beside each walking wheel mechanism 11; the traveling wheel mechanism 11 is erected on the assembled track;

a moving platform lifting lug 19 is arranged on the side surface of the moving platform 1; a hydraulic pump station 17 is fixed at the bottom of the mobile platform 1; the upper surface of the mobile platform 1 is also provided with a power distribution cabinet 15 and an electrical control cabinet 16;

the walking wheel mechanism 11 comprises a supporting frame 113 with an upper opening and a lower opening, at least two walking wheels 117 are respectively fixed in the supporting frame 113 through wheel shafts 116, and the wheel shafts 116 are arranged on the supporting frame 113 through bearings in a rolling manner; the tread center of the road wheel 117 is recessed inwards; the lowermost end of the axle 116 is lower than the lowermost ends of both side surfaces of the support frame 113 parallel to the axle 116;

the upper surface of the supporting frame 113 is provided with a supporting plate 112, and two sides of the bottom of the supporting plate 112 are connected with a vertical connecting plate 114; the connecting plate 114 is attached to the outer side of the supporting frame 113 and fixed to the supporting frame 113 through a first pin 115; the topmost end of the axle 116 is lower than the lower surface of the support plate 112;

a vertical connecting column is fixed on the upper surface of the supporting plate 112, the top end of the connecting column is connected with a steering end at the bottom end of a vertical steering hydraulic cylinder 111, and the top end of the steering hydraulic cylinder 111 is connected to the bottom of the mobile platform 1 through a horizontally arranged connecting flange 119;

at least one wheel shaft 116 is connected to a hydraulic motor speed reducing integrated machine 118, and the hydraulic motor speed reducing integrated machine 118 is fixed outside the supporting frame 113;

the supporting mechanism 10 comprises a fixed hydraulic cylinder fixed at the bottom of the moving platform 1, and the telescopic end of the fixed hydraulic cylinder is vertically downwards connected with a horizontal supporting disc; when the telescopic end of the fixed hydraulic cylinder moves to the bottommost end, the supporting disc is lower than the bottom end of the travelling wheel mechanism 11;

the assembled track is formed by splicing a plurality of groups of track components, each track component comprises a horizontal long-strip-shaped base 51, a protruding guide rail 52 is fixedly pressed on the upper surface of the base 51 through a pressing plate 58, and the central axis of the protruding guide rail 52 and the central axis of the base 51 are positioned on the same vertical plane;

the protruding guide rail 52 is the same length as the base 51; the protruded guide rail 52 is horizontally protruded from the base 51 at the head end, thereby leaving a blank area at the tail end of the base 51; an embedding opening 53 is formed in the blank area, and the embedding opening 53 comprises a truncated cone-shaped embedding hole with a smaller end facing downwards and an embedding strip connected with the embedding hole; the center of the embedding hole is positioned on the central axis of the base 51, and the embedding strip is positioned on the central axis of the base 51; an embedding body 56 corresponding to the embedding opening 53 is fixed at the bottom of the head end of the protruding guide rail 52 which horizontally protrudes out of the base 51;

two adjacent track assemblies are detachably connected by embedding bodies 56 into the embedding openings 53;

the lifting platform 2 comprises a lifting base 22 and four lifting installation bodies 21 which are respectively installed at four corners of the lifting base 22; the four lifting installation bodies 21 are respectively fixed on the four lifting mechanisms 13;

a plurality of ball devices 23 are longitudinally and transversely arranged and fixed on the upper surface of the lifting base 22, each ball device 23 comprises a cylindrical ball base 231 vertically fixed on the upper surface of the lifting base 22, and balls 232 are arranged in the ball bases 231; the ball seat 231 is covered with a ball cover plate 233, the center of the ball cover plate 233 is provided with a cover plate opening, and the top of the ball 232 protrudes from the cover plate opening;

the lifting installation body 21 comprises a supporting column of which the bottom end is fixed on the lifting base 22, the top end of the supporting column horizontally extends out of a lifting connecting plate in the direction departing from the lifting base 22, and one end of the lifting connecting plate, which is far away from the supporting column, is provided with a vertically through bolt hole;

a plurality of adjusting hydraulic cylinders 24 are arranged at the edge of the upper surface of the lifting base 22, and the telescopic ends of the adjusting hydraulic cylinders 24 are vertical to the edge of the lifting platform 2 and face inwards;

the lifting mechanism 13 comprises a lifting base 132, a vertical lifting guide post 131 is fixed above the lifting base 132, a guide post sleeve 133 is slidably sleeved on the lifting guide post 131, the guide post sleeve 133 is connected to a horizontal lifting support plate 134, a lifting lug plate 135 is fixed at the bottom of the lifting support plate 134, the lifting lug plate 135 is hinged to a connecting block through a second pin shaft 136, and the connecting block is fixed at the top end of the telescopic end of a lifting hydraulic cylinder;

the lifting support plate 134 is supported below the lifting connecting plate and fixed with the lifting connecting plate through bolts;

the four elevating bases 132 are fixed to four corners of the upper surface of the movable platform 1, respectively.

The guide post cover 133 includes: a bottom circular cylinder, and an upper circular cylinder 139 connected above the bottom circular cylinder;

the bottom circular cylinder comprises a self-lubricating graphite copper sleeve 137 sleeved on the outer wall of the lifting guide pillar 131 and a sleeve body sleeved on the outer wall of the self-lubricating graphite copper sleeve 137; the bottom of the self-lubricating graphite copper sleeve 137 is connected to a horizontal ring bottom plate 138, and the ring bottom plate 138 extends to the position right below the sleeve body and is connected with the sleeve body through bolts; a circular ring top plate extends from the top of the sleeve body towards the direction of the lifting guide pillar 131, and the circular ring top plate is tightly attached to the upper part of the self-lubricating graphite copper sleeve 137; gaps are reserved between the circular ring top plate and the circular ring bottom plate 138 and the outer wall of the lifting guide pillar 131;

the upper circular cylinder 139 is sleeved on the lifting guide pillar 131 and the bottom end is connected to the upper surface of the circular top plate; a gap is left between the upper circular cylinder 139 and the lifting guide post 131.

The lifting base 22 is of a rectangular structure, and the adjusting hydraulic cylinders 24 are only arranged at the edge positions of two long strips close to the lifting base 22; the number of the adjusting hydraulic cylinders 24 is four, and the four adjusting hydraulic cylinders 24 are respectively arranged at the adjacent positions of the four lifting installation bodies 21.

The support frame 113 is a rectangular frame; the bottommost ends of the two sides of the supporting frame 113 perpendicular to the axle 116 are lower than the bottommost ends of the two sides of the supporting frame 113 parallel to the axle 116; the lowermost end of the support frame 113 perpendicular to both sides of the axle 116 is lower than the lowermost end of the axle 116.

The first pin 115 is parallel to the axle 116.

Each of the traveling wheel mechanisms 11 includes two traveling wheels 117, and two wheel shafts 116 connected to the two traveling wheels 117, respectively, are connected by a transmission system.

The bottom of the projecting guide rail 52 extends towards two sides to form a projecting structure 55, and a stop block 54 welded on the base 51 is arranged outside the projecting structure 55.

The limiting block 54 and the protruding structure 55 are provided with a pressing plate 58 in an upward pressing manner, and the pressing plate 58 is fixedly connected with the limiting block 54 through a bolt.

Concave strips are arranged on two sides of the base 51; and a track lifting lug 57 is arranged at the concave strip.

The separate use and advantages of the lifting mechanism 13 are as follows: the lifting base 132 and the bottom end of the hydraulic lifting cylinder are fixed on a fixed platform, and the lifting support plate 134 can be pushed to move up and down along the lifting guide post 131 by the telescopic end of the hydraulic lifting cylinder. An object to be lifted is placed on the lifting support plate 134, and the object is fastened to the lifting support plate 134 through bolt holes or other means, so that the lifting of the object can be completed. In addition, for the lifting of a large platform (such as the lifting base 132 in the invention), the device can be arranged below a plurality of corners of the large platform, and the lifting of the large platform can be realized by synchronously controlling a plurality of lifting hydraulic cylinders of the device. In the invention, the self-lubricating graphite copper sleeve 137 is arranged, and only the self-lubricating graphite copper sleeve 137 is contacted with the lifting guide post 131 when moving, so that the lifting process is very smooth, and due to the hinged arrangement of the lifting lug plate 135, in the installation process, even if the telescopic rod of the hydraulic cylinder is not completely parallel to the lifting guide post 131, in the lifting process, the advancing direction of the lifting lug plate 135 can be adjusted through rotation, so that the lifting support plate 134 can always move along the lifting guide post 131, and therefore, the lifting support plate can be always in a horizontal state, and the lifting process can be smooth and stable. The upper circular cylinder 139 is not in contact with the lifting guide rod under normal conditions, but the axial direction during installation can be ensured by referring to the relative position of the upper circular cylinder 139 and the lifting guide column 131, and the self-lubricating graphite copper bush 137 can still play a good guiding role for the guide column bush 133 after being seriously worn so as to ensure the level of the lifting support plate 134. In addition, lubricating oil is filled between the upper circular cylinder 139 and the lifting guide post 131, so that the smooth lifting can be ensured.

The lifting mechanism 13 is connected to the lifting connecting plate, and the lifting mechanism 13 is mounted on the moving platform 1, so that the lifting base 132 can be lifted on the moving platform 1.

In use, the rudder or paddle is mounted above the lifting base 22 and is supported by the plurality of balls 232. At this time, the lifting base 22 can be lifted by the lifting mechanism 13, so as to lift the rudder or paddle to the installation position, and then the rudder or paddle is pushed by the plurality of adjusting hydraulic cylinders 24 to slide on the balls 232, so that the position of the rudder or paddle in the horizontal direction can be finely adjusted until the rudder or paddle accurately reaches the installation position. In principle, the adjustment cylinders 24 are mounted on all four sides of the lifting base 22, so that the rudder or paddle can be adjusted both transversely and longitudinally. However, since the lifting platform 2 of the present invention is mounted on the moving platform 1 which can move in the length direction, only fine adjustment in the width direction is required, and at this time, only the adjusting hydraulic cylinders 24 are required to be mounted at the edge positions corresponding to the two lengths.

The mobile platform 1 is described next:

first, the split rails need to be split first. The multiple rail assemblies are hoisted by matching the crane and the rail lifting lugs 57 and then spliced for use, and the positions of the embedding bodies 56 and the embedding openings 53 are correspondingly arranged, so that the projecting guide rails 52 on two adjacent rail assemblies can be ensured to be positioned on the same straight line. The stop blocks 54 and the pressure plates 58 are arranged to ensure that the protruding guide rail 52 is located on the central axis. During the dismouting, also only need with adjacent track subassembly disassemble can, it is very convenient.

After the track is assembled, the connecting flange 119 that will turn to the top setting of pneumatic cylinder 111 is connected with moving platform 1 bottom, pack up the fixed pneumatic cylinder in supporting mechanism 10, lift moving platform 1 through moving platform lug 19 and make the walking wheel 117 of moving platform 1 bottom erect on the pin-connected panel track, because walking wheel 117 tread center is to the indent, the indent structure can be set up and go and be difficult for derailing on convex pin-connected panel track face, two lower sides of walking frame can also play limiting displacement.

The power supply of the power distribution cabinet 15 of the mobile platform 1 is connected, the hydraulic pump station 17 is controlled to start through the electric control cabinet 16, then the hydraulic motor speed reduction integrated machine 118 is controlled to start, and the hydraulic motor speed reduction integrated machine 118 can use large torsional force to provide power for the traveling wheels 117. When steering is needed, the support disc can be attached to the ground and continuously extend to lift the mobile platform 1 above the track by extending the fixed hydraulic cylinder in the support mechanism 10, at this time, after the assembly type track is disassembled and is successfully installed again according to a specified direction, the traveling direction can be changed under the condition that the overall direction of the mobile platform 1 is unchanged by controlling the traveling wheels 117 to integrally rotate to the track direction through the steering hydraulic cylinder 111 (the action and the connection mode are well known in the technical field of the invention and are not described in detail herein) and putting down the mobile platform 1 through the support mechanism 10, which is very convenient for the transportation of the mobile platform 1 for moving large goods such as ship rudder paddles and the like in the invention.

The ship rudder or paddle is arranged, the rudder or paddle is arranged on the lifting platform 2, and the lifting platform 2 is placed on the mobile platform 1. The mobile platform 1 carrying the rudder or oar can be controlled to move axially towards the ship, transported to the installation site and after the installation is completed, the platform is moved radially out towards the ship, at which time the rotation in the direction of movement is 90 °. Due to the limited space at the bottom of the mobile platform 1, the detachable and spliced properties of the spliced track also play an important role in the steering process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (9)

1. A mobile lifting platform for mounting a ship rudder propeller is characterized by comprising a mobile platform (1), wherein a horizontal lifting platform (2) is arranged on the mobile platform (1) through a lifting mechanism (13);

four corners of the bottom of the moving platform (1) are provided with walking wheel mechanisms (11), and a supporting mechanism (10) is arranged beside each walking wheel mechanism (11); the walking wheel mechanism (11) is erected on the assembled track;

a moving platform lifting lug (19) is arranged on the side surface of the moving platform (1); a hydraulic pump station (17) is fixed at the bottom of the mobile platform (1); the upper surface of the mobile platform (1) is also provided with a power distribution cabinet (15) and an electrical control cabinet (16);

the walking wheel mechanism (11) comprises a supporting frame (113) with an upper opening and a lower opening, at least two walking wheels (117) are respectively fixed in the supporting frame (113) through wheel shafts (116), and the wheel shafts (116) are arranged on the supporting frame (113) in a rolling mode through bearings; the tread center of the travelling wheel (117) is inwards concave; the bottommost end of the wheel shaft (116) is lower than the bottommost ends of two side surfaces of the supporting frame (113) parallel to the wheel shaft (116);

the upper surface of the supporting frame (113) is provided with a supporting plate (112), and two sides of the bottom of the supporting plate (112) are connected with a vertical connecting plate (114); the connecting plate (114) is attached to the outer side of the supporting frame (113) and fixed to the supporting frame (113) through a first pin shaft (115); the topmost end of the axle (116) is lower than the lower surface of the support plate (112);

a vertical connecting column is fixed on the upper surface of the supporting plate (112), the top end of the connecting column is connected with a steering end at the bottom end of a vertical steering hydraulic cylinder (111), and the top end of the steering hydraulic cylinder (111) is connected to the bottom of the mobile platform (1) through a horizontally arranged connecting flange (119);

at least one wheel shaft (116) is connected to a hydraulic motor speed reducing integrated machine (118), and the hydraulic motor speed reducing integrated machine (118) is fixed outside the supporting frame (113);

the supporting mechanism (10) comprises a fixed hydraulic cylinder fixed at the bottom of the moving platform (1), and the telescopic end of the fixed hydraulic cylinder is vertically connected with a horizontal supporting disc downwards; when the telescopic end of the fixed hydraulic cylinder moves to the bottommost end, the supporting disc is lower than the bottom end of the walking wheel mechanism (11);

the assembled track is formed by splicing a plurality of groups of track components, each track component comprises a horizontal long-strip-shaped base (51), a protruding guide rail (52) is fixedly pressed on the upper surface of the base (51) through a pressing plate (58), and the central axis of the protruding guide rail (52) and the central axis of the base (51) are positioned on the same vertical plane;

the protruding guide rail (52) is the same length as the base (51); the protruding guide rail (52) horizontally protrudes from the base (51) at the head end, so that a blank area is reserved at the tail end of the base (51); an embedding opening (53) is formed in the blank area, and the embedding opening (53) comprises a truncated cone-shaped embedding hole with a smaller end facing downwards and an embedding strip connected to the embedding hole; the center of the embedding hole is positioned on the central axis of the base (51), and the embedding strip is positioned on the central axis of the base (51); an embedded body (56) corresponding to the embedded opening (53) is fixed at the bottom of the head end of the protruding guide rail (52) which horizontally protrudes out of the base (51);

the adjacent two track assemblies are detachably connected through the embedding body (56) embedded into the embedding opening (53);

the lifting platform (2) comprises a lifting base (22) and four lifting installation bodies (21) which are respectively installed at four corners of the lifting base (22); the four lifting installation bodies (21) are respectively fixed on the four lifting mechanisms (13);

a plurality of ball devices (23) are longitudinally and transversely arranged and fixed on the upper surface of the lifting base (22), each ball device (23) comprises a cylindrical ball base (231) vertically fixed on the upper surface of the lifting base (22), and balls (232) are arranged in the ball bases (231); the ball base (231) is covered with a ball cover plate (233), a cover plate opening is formed in the center of the ball cover plate (233), and the top of the ball (232) protrudes out of the cover plate opening;

the lifting installation body (21) comprises a supporting column of which the bottom end is fixed on the lifting base (22), a lifting connecting plate horizontally extends from the top end of the supporting column in the direction departing from the lifting base (22), and one end of the lifting connecting plate, which is far away from the supporting column, is provided with a vertically through bolt hole;

a plurality of adjusting hydraulic cylinders (24) are mounted at the edge of the upper surface of the lifting base (22), and the telescopic ends of the adjusting hydraulic cylinders (24) are perpendicular to the edge of the lifting platform (2) and face inwards;

the lifting mechanism (13) comprises a lifting base (132), a vertical lifting guide post (131) is fixed above the lifting base (132), a guide post sleeve (133) is sleeved on the lifting guide post (131) in a sliding manner, the guide post sleeve (133) is connected to a horizontal lifting support plate (134), a lifting lug plate (135) is fixed at the bottom of the lifting support plate (134), the lifting lug plate (135) is hinged to a connecting block through a second pin shaft (136), and the connecting block is fixed at the top end of the telescopic end of a lifting hydraulic cylinder;

the lifting support plate (134) is supported below the lifting connecting plate and is fixed with the lifting connecting plate through bolts;

the four lifting bases (132) are respectively fixed at four corners of the upper surface of the movable platform (1).

2. Mobile lifting platform for the installation of rudder propellers of a vessel according to claim 1, characterised in that the guide post bushing (133) comprises: a bottom circular cylinder, and an upper circular cylinder (139) connected above the bottom circular cylinder;

the bottom circular cylinder comprises a self-lubricating graphite copper sleeve (137) sleeved on the outer wall of the lifting guide pillar (131) and a sleeve body sleeved on the outer wall of the self-lubricating graphite copper sleeve (137); the bottom of the self-lubricating graphite copper sleeve (137) is connected to a horizontal ring bottom plate (138), and the ring bottom plate (138) extends to the position right below the sleeve body and is connected with the sleeve body through a bolt; a circular ring top plate extends from the top of the sleeve body towards the direction of the lifting guide pillar (131), and the circular ring top plate is tightly attached to the upper part of the self-lubricating graphite copper sleeve (137); gaps are reserved between the circular ring top plate and the circular ring bottom plate (138) and the outer wall of the lifting guide pillar (131);

the upper circular cylinder (139) is sleeved on the lifting guide column (131) and the bottom end of the upper circular cylinder is connected to the upper surface of the circular top plate; a gap is reserved between the upper circular cylinder (139) and the lifting guide post (131).

3. The mobile lifting platform for installation of a rudder propeller of a ship as claimed in claim 1, wherein the lifting base (22) is of a rectangular structure, and the adjusting hydraulic cylinders (24) are arranged only at positions adjacent to two long edges of the lifting base (22); the four adjusting hydraulic cylinders (24) are arranged, and the four adjusting hydraulic cylinders (24) are respectively arranged at the adjacent positions of the four lifting installation bodies (21).

4. The mobile lifting platform for installation of a rudder propeller of a ship as claimed in claim 1, characterised in that the support frame (113) is a rectangular frame; the bottommost ends of two side surfaces of the supporting frame (113) perpendicular to the wheel axle (116) are lower than the bottommost ends of two side surfaces of the supporting frame (113) parallel to the wheel axle (116); the bottommost end of the two sides of the supporting frame (113) perpendicular to the axle (116) is lower than the bottommost end of the axle (116).

5. The mobile lifting platform for installation of a rudder propeller of a ship according to claim 1, characterised in that the first pin (115) and the axle (116) are parallel to each other.

6. The mobile lifting platform for installation of a rudder propeller of a ship as claimed in claim 1, wherein each of the travelling wheel mechanisms (11) comprises two travelling wheels (117), and the two wheel shafts (116) respectively connected to the two travelling wheels (117) are connected by a transmission system.

7. The mobile lifting platform for installation of the rudder propeller of the ship as claimed in claim 1, wherein the bottom of the projecting guide rail (52) extends towards two sides to form projecting structures (55), and the outer sides of the projecting structures (55) are provided with limiting blocks (54) welded on the base (51).

8. The mobile lifting platform for installation of the rudder propeller of the ship as claimed in claim 7, wherein a pressure plate (58) is pressed on the limiting block (54) and the protruding structure (55), and the pressure plate (58) is fixedly connected with the limiting block (54) through a bolt.

9. The mobile lifting platform for installation of the rudder propeller of the ship as claimed in claim 1, wherein concave strips are arranged on two sides of the base (51); and a track lifting lug (57) is arranged at the concave strip.

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