CN210855097U - Three-dimensional hydraulic jacking machine and three-dimensional jacking system - Google Patents
Three-dimensional hydraulic jacking machine and three-dimensional jacking system Download PDFInfo
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- CN210855097U CN210855097U CN201921589843.4U CN201921589843U CN210855097U CN 210855097 U CN210855097 U CN 210855097U CN 201921589843 U CN201921589843 U CN 201921589843U CN 210855097 U CN210855097 U CN 210855097U
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Abstract
The utility model discloses a three-dimensional hydraulic pressure jacking machine and three-dimensional jacking system, three-dimensional hydraulic pressure jacking machine includes the frame, is located the top of frame is suitable for the edge the master cylinder that the surface level of frame slided, is located the first lateral cylinder and the second lateral cylinder of the circumference side of master cylinder, and be suitable for the drive the walking wheel subassembly of frame walking. One ends of the first lateral oil cylinder and the second lateral oil cylinder which are far away from the main oil cylinder are connected with the frame; the main oil cylinder stretches along the Z direction, the first lateral oil cylinder stretches along the X direction, and the second lateral oil cylinder stretches along the Y direction. The utility model discloses compact structure promotes in a flexible way to can many cooperation operations, improve and promote the tonnage, be applicable to hull bridge segmentation and large-scale steel construction spare centering and fold work.
Description
Technical Field
The utility model relates to a hydraulic pressure professional equipment belongs to hull bridge segmentation and large-scale steel construction installation operation field, especially relates to a three-dimensional hydraulic pressure jacking machine and three-dimensional jacking system.
Background
The three-dimensional hydraulic jacking machine is mainly used for jacking and centering the closure operation of the ship bridge segments and the large-scale steel structural members, and the multiple hydraulic jacking machines are matched to jack and transversely move the ship bridge segments and the large-scale steel structural members so as to finish the centering closure operation of the ship bridge segments and the large-scale steel structural members.
In recent years, the weight of the ship bridge segments and the large steel structural members is continuously increased, the functions and the lifting capacity of equipment used in installation are increased, and the weight of the ship bridge segments and the large steel structural members become important factors for restricting the operation and the development of installation projects of the ship bridge segments and the large steel structural members. Traditional hydraulic jack often can not carry out diversified removal to being jacked equipment, and hydraulic jack's range of motion itself is also restricted, hardly realizes many hydraulic jack cooperation jacking, can't adapt to present large-scale installation engineering operation and development.
SUMMERY OF THE UTILITY MODEL
In order to solve hydraulic jack among the prior art can not carry out diversified removal to by jacking equipment, hydraulic jack's range of motion itself is also limited, hardly realizes many hydraulic jack cooperation jacking, can't adapt to the technical problem of present large-scale installation engineering operation and development, the utility model provides a three-dimensional hydraulic jacking machine solves above-mentioned problem.
The utility model provides a three-dimensional hydraulic jacking machine, include the frame, be located the top of frame is suitable for the edge the master cylinder that the surface level of frame slided, is located the first lateral cylinder and the second lateral cylinder of the circumference side of master cylinder to and be suitable for the drive the walking wheel subassembly of frame walking.
One ends of the first lateral oil cylinder and the second lateral oil cylinder which are far away from the main oil cylinder are connected with the frame; the main oil cylinder stretches along the Z direction, the first lateral oil cylinder stretches along the X direction, and the second lateral oil cylinder stretches along the Y direction. The traveling wheel assembly is used for controlling the frame to travel and moving the three-dimensional hydraulic jacking machine to a specified position, the main oil cylinder, the first lateral oil cylinder and the second lateral oil cylinder are high-pressure oil cylinders and are respectively used for controlling the jacked equipment to move along three mutually perpendicular directions, the movement of three dimensions of the jacked equipment is realized, and the three-dimensional hydraulic jacking machine is suitable for centering and folding work of ship body bridge sections and large-scale steel structural members.
Preferably, a sliding plate is fixed to the top of the frame, and the master cylinder is located above the sliding plate and can horizontally slide along the surface of the sliding plate.
Preferably, the sliding plate is made of a plastic alloy material with a low friction coefficient.
Further, the top of master cylinder is equipped with the ball seat assembly, the ball seat assembly includes ball seat, bulb and connects the ball seat with the fixed column of bulb, the ball seat with the axial one end of master cylinder is fixed, and the other end of master cylinder is placed on the frame, the upper surface of bulb with by the contact of jacking equipment, the contact surface of ball seat and bulb is spherical curved surface, the bulb can be followed spherical curved surface is relative the ball seat motion. When jacking the hull, the bulb can produce small angle change, is favorable to laminating the hull bottom surface, in addition, has the error when many synchronous jacking, can absorb the error with the sphere rotation.
Further, the center of the ball head is provided with a through hole suitable for the fixing column to pass through, and the hole diameter of the through hole is gradually increased from the middle part of the ball head to one end close to the ball seat.
Furthermore, the walking wheel assembly comprises a plurality of walking wheels and a lifting device for driving the walking wheels to lift, when the three-dimensional hydraulic jacking machine needs to walk, the lifting device extends to drive the walking wheels to jack up the frame, and the frame leaves the ground; when an object needs to be pushed, the lifting device drives the travelling wheels to retract into the frame, the frame is in contact with the ground, and the frame plays a supporting role.
Further, the lifting device includes: the triangular frame is provided with a first vertex, a second vertex and a third vertex which enclose a triangle, and the first vertex, the second vertex and the third vertex are hinged points; a piston rod of the lifting oil cylinder is rotatably connected with the tripod at the second vertex; one end of the first fixing plate is fixed with the frame, and the other end of the first fixing plate is rotatably connected with the tripod at the third vertex; and the second fixing plate is fixedly connected with the frame, and one end of the lifting oil cylinder, which is far away from the piston rod, is rotatably connected with the second fixing plate.
The traveling wheel and the tripod are rotatably connected to the first vertex; when a piston rod of the lifting oil cylinder moves, the travelling wheel is suitable for rotating around the vertex III; the travelling wheels, the lifting oil cylinder and the rotating shaft of the first fixing plate in rotating connection with the tripod are parallel to each other, and the heights of the first vertex, the third vertex and the second vertex are sequentially increased. The walking wheel, the first fixing plate and the lifting oil cylinder are arranged close to the vertex angle of the tripod, so that the walking wheel, the first fixing plate and the lifting oil cylinder can protrude out of the edge of the tripod.
When the piston rod is in a retraction state, the height of the walking wheel is the highest, and the walking wheel is completely positioned above the lower surface of the frame and does not play a walking supporting role; when the piston rod begins to extend out, the walking wheels rotate around the vertex III, the gravity centers of the walking wheels gradually descend under the pushing of the piston rod, and the walking wheels gradually protrude out of the lower surface of the frame to prop up the frame.
Preferably, the lifting device is a driving oil cylinder fixed with the frame, and the driving oil cylinder stretches along the Z direction and is used for driving the travelling wheels to vertically move.
Furthermore, the three-dimensional hydraulic jacking machine further comprises an electric box, wherein a walking handle button box suitable for controlling the walking wheel assembly, an oil cylinder button box suitable for controlling the main oil cylinder, the first lateral oil cylinder and the second lateral oil cylinder, and a total emergency stop button suitable for emergency stop are arranged in the electric box.
Furthermore, the three-dimensional hydraulic jacking machine also comprises a front driving wheel, a connecting frame assembly and a handle assembly, wherein the front driving wheel is driven by the driving oil cylinder, the handle assembly is positioned in front of the driving oil cylinder, and an operator is positioned in front of the handle assembly to control the handle assembly; the link assembly set up in between actuating cylinder and the front driving wheel, the link assembly with the center pin of front driving wheel rotates and is connected, and be suitable for the winding actuating cylinder's center pin is rotatory, the link assembly can not restrict the front driving wheel rolls and gos forward, and the link assembly with handle assembly fixed connection.
When operating personnel operates the handle assembly when turning to, the front driving wheel follows the handle assembly turns to together to the realization the change of front driving wheel advancing direction, simultaneously because actuating cylinder and frame fixed connection, consequently actuating cylinder does not follow the handle assembly is rotatory, only need overcome actuating cylinder during turning to with the rotatory frictional force between the link assembly can, turn to convenient laborsaving.
The front driving wheel is driven by the driving oil cylinder to lift, when equipment needs to be jacked, an extension rod of the driving oil cylinder is in a retracted state, and the front driving wheel is located above the lower surface of the frame and bears pressure by means of the frame; when the frame needs to be moved horizontally, the extension rod of the driving oil cylinder extends out, so that the front driving wheel protrudes out of the lower surface of the frame, and the three-dimensional hydraulic jacking machine is driven to advance.
Furthermore, the connecting frame assembly comprises a driving wheel connecting plate, a handle connecting plate and a rotating sleeve which are sequentially fixed from top to bottom; the driving wheel connecting plate is rotationally connected with a central shaft of the front driving wheel; the handle connecting plate is fixed at the bottom of the handle assembly; the rotating sleeve is suitable for being rotatably connected with an extension rod of the driving oil cylinder and is suitable for axially limiting the extension rod of the driving oil cylinder, and the driving oil cylinder is prevented from being separated from the rotating sleeve.
Preferably, a through hole is formed in the center of the rotating sleeve, and an inner boss is arranged on the inner surface of the rotating sleeve; an upper clamping plate and a lower clamping plate are arranged on an extension rod of the driving oil cylinder, the upper clamping plate is suitable for abutting against the upper surface of the rotating sleeve, the lower clamping plate is suitable for abutting against the lower surface of the inner boss, and axial limiting is achieved through the upper clamping plate and the lower clamping plate.
Further, the handle assembly is including being fixed in the journal stirrup at handle connecting plate top, be equipped with on the journal stirrup with the parallel articulated shaft of the center pin of front drive wheel, the journal stirrup passes through the articulated shaft rotates with the pipe support to be connected, the upper portion of pipe support is fixed with the handle, and the pipe support can pass through the journal stirrup is rotatory to the direction that is close to operating personnel, can be according to the angle of operating personnel's height adjustment pipe support.
Further, the cover is equipped with the spring on the articulated shaft, just the one end of spring is fixed with the journal stirrup, the other end with the pipe support is fixed, works as the pipe support is rotatory to be kept away from during the driving cylinder, the spring is taut gradually, when loosening during the pipe support, the pipe support can the automatic recovery normal position.
Further, the pipe support includes upper and lower fixed connection's lower part U type pipe and the square pipe in upper portion, lower part U type pipe with the journal stirrup rotates to be connected, and the U type notch orientation of lower part U type pipe is kept away from actuating cylinder's direction sets up, works as when the pipe support is in vertical state, the middle inside wall of lower part U type pipe with the surface laminating setting of journal stirrup makes the pipe support remains vertical state under the free state all the time, and can not clash when reseing into actuating cylinder.
The utility model also provides a three-dimensional jacking system, including three or three above-mentioned three-dimensional hydraulic jacking machines, every the electric box all is connected with the wireless control handle electricity, realizes many synchronous operation, improves the jacking tonnage.
The utility model has the advantages that:
(1) the three-dimensional hydraulic jacking machine of the utility model controls the frame to walk by the walking wheel component and can be moved to a designated large-scale installation engineering site; the high-pressure oil cylinders in the XYZ directions are adopted to carry out the lifting, the whole structure is compact, the lifting is flexible, a plurality of hydraulic cylinders can be matched to run, the lifting tonnage is improved, and the high-pressure hydraulic lifting device is suitable for centering and folding work of ship body bridge sections and large-scale steel structural members.
(2) Three-dimensional hydraulic jacking machine, the top of master cylinder is equipped with the ball seat assembly, the ball seat assembly comprises sphere pivoted ball seat and bulb, makes the bulb have small inclined space, is favorable to laminating hull surface, when many synchronous operation, rotates with the sphere and can absorb the error.
(3) The three-dimensional hydraulic jacking machine of the utility model has the advantages that the walking wheel component has a lifting function, and when the three-dimensional hydraulic jacking machine needs to walk, the walking wheel component extends out to walk; when an object needs to be pushed, the travelling wheel assembly retracts to enable the frame to be in contact with the ground, the travelling wheel assembly does not bear the weight of the pushed object, and the pushing tonnage is improved.
(4) Three-dimensional hydraulic pressure jacking machine, through lift cylinder's flexible action and tripod to the control of walking wheel movement track, the tripod decomposes three-dimensional hydraulic pressure jacking machine's gravity to two directions of lift cylinder and first fixed plate, has reduced lift cylinder's atress size, has improved energy utilization.
(5) Three-dimensional jacking system be connected by wireless control handle and each three-dimensional hydraulic pressure jacking machine's electric box electricity, each three-dimensional hydraulic pressure jacking machine of synchro control pushes up the motion, improves whole tonnage and convenience and practicality with it.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of an embodiment of a three-dimensional hydraulic jack according to the present invention;
fig. 2 is a side view of an embodiment of the three-dimensional hydraulic jack according to the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic structural view of the master cylinder of the present invention;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
FIG. 6 is an enlarged view at M of FIG. 5;
fig. 7 is a front view of a traveling wheel assembly according to embodiment 4 of the present invention;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;
fig. 9 is a schematic view of the walking wheel assembly according to embodiment 3 of the present invention when the walking wheel is in the retracted state
Fig. 10 is a schematic structural view of a front driving wheel and a lifting device thereof according to embodiment 3 of the present invention;
FIG. 11 is a front view corresponding to FIG. 10;
FIG. 12 is a cross-sectional view taken along line D-D of FIG. 11;
FIG. 13 is a sectional view taken along line E-E of FIG. 11;
fig. 14 is an enlarged view at N in fig. 12.
In the figure, 1, a frame, 101, a mounting seat, 102, a rear wheel mounting groove, 103, a sliding plate, 2, a main cylinder, 201, a lifting lug, 3, a first lateral cylinder, 4, a second lateral cylinder, 5, a ball seat assembly, 501, a ball head, 5011, a through hole, 502, a ball seat, 503, a fixing column, 504, a spring, 505, a spring seat, 6, a driving cylinder, 7, a tripod, 701, a triangular plate, 702, a ribbed plate, 8, a lifting cylinder, 801, a piston rod, 9, a first fixing plate, 10, a second fixing plate, 11, a traveling wheel, 12, a vertex one, 13, a vertex two, 14, a vertex three, 15, a front driving wheel, 16, a connecting frame assembly, 1601, a driving wheel connecting plate, 1602, a handle, a connecting plate 16021, a groove, 1603, a rotating sleeve, 16031, a through hole, 17, a handle assembly, 1701, an ear, 1702, a hinged shaft, 1703, a pipe frame, 17031, a lower U-shaped pipe, The device comprises an upper square pipe 1704, a handle 18, a fixing plate 19, an inner boss 20, an upper clamping plate 21, a lower clamping plate 22, a lower boss 23, a mounting plate 24 and a return spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model discloses well Z is to being vertical direction, and X is to being the horizontal direction with Y, and one side that is close to front drive wheel 15 is the place ahead, and the direction of keeping away from front drive wheel 15 is the rear.
One ends of a first lateral oil cylinder 3 and a second lateral oil cylinder 4 which are far away from the main oil cylinder 2 are connected with the frame 1; the main oil cylinder 2 extends and retracts along the Z direction, the first lateral oil cylinder 3 extends and retracts along the X direction, and the second lateral oil cylinder 4 extends and retracts along the Y direction. The walking wheel assembly is used for controlling the frame 1 to walk and moving the three-dimensional hydraulic jacking machine to a specified position.
Two lifting lugs 201 are arranged on the circumferential side wall of the main oil cylinder 2, the first lateral oil cylinder 3 and the second lateral oil cylinder 4 are respectively arranged on the lifting lugs 201, two mounting seats 101 with pin shafts are arranged at the top of the frame 1, and one ends of the first lateral oil cylinder 3 and the second lateral oil cylinder 4 far away from the main oil cylinder 2 are in pin joint in the mounting seats 101.
Horizontal sliding between the frame 1 and the main cylinder 2 can be realized by a plurality of balls embedded at the bottom of the main cylinder 2, in addition, a sliding structure which can move relatively under the action of external force in the prior art can be applied to the utility model, as shown in figure 1, the top of the frame 1 in the embodiment is fixed with a sliding plate 103, the main cylinder 2 is positioned above the sliding plate 103 and can slide along the surface level of the sliding plate 103, the sliding plate 103 is the prior art and is usually made of plastic alloy materials with low friction coefficient, the plastic alloy is based on polymers copolymerized by different monomers, modified by adopting synthetic rare earth nano materials and various additives, and the homogeneous polymer manufactured by a special synthesis process has the characteristics of low outstanding friction coefficient, self-lubricating maintenance-free property, corrosion resistance, wear resistance, large bearing pressure, ageing resistance and the like, the bottom of the main oil cylinder 2 is also made of a special material with a low friction coefficient, and a panel contacted with the sliding plate 103 is matched with the sliding plate 103 to realize relative sliding movement.
As shown in fig. 1 to 3, the walking wheel assembly generally comprises two or more walking wheels 11, preferably three walking wheels 11 are used to satisfy the planar supporting effect, one of the three walking wheels 11 is a driving wheel and is driven by a driving motor, and the rest is driven wheels. The wheel shaft of the walking wheel 11 can be fixed with the frame 1, the relative height of the walking wheel 11 and the frame 1 is kept unchanged, when an object is pushed, the walking wheel 11 needs to bear pressure, the pressure bearing capacity of the walking wheel 11 is limited, and the pushing tonnage of the three-dimensional hydraulic jacking machine can be reduced. Therefore, the walking wheel assembly in this embodiment comprises a plurality of walking wheels 11 and a lifting device for driving the walking wheels 11 to lift, when the three-dimensional hydraulic jacking machine needs to walk, the lifting device extends to drive the walking wheels 11 to jack up the frame 1, and the frame 1 leaves the ground; when an object needs to be lifted, the lifting device drives the travelling wheels 11 to retract into the frame 1, the frame 1 is in contact with the ground, and the frame 1 bears the jacking pressure.
As shown in fig. 1, the lifting device may be a driving oil cylinder 6 fixed to the frame 1, the driving oil cylinder 6 extends and retracts in the Z direction to drive the traveling wheels 11 to move vertically, the system pressure of the driving oil cylinder 6 is usually 15 to 20MPa, and the lifting device may also be lifted through a roller screw transmission mode in the prior art.
The lifting device can also adopt the following structure: as shown in fig. 3 and 7-9, the lifting frame comprises a tripod 7, a lifting cylinder 8, a first fixing plate 9 and a second fixing plate 10, wherein the first fixing plate 9 and the second fixing plate 10 are both fixed on the frame 1, the tripod 7 is of a plate-shaped structure, the tripod 7 is provided with a vertex I12, a vertex II 13 and a vertex III 14 which enclose a triangle, and the vertex I12, the vertex II 13 and the vertex III 14 are all hinged points; the central shaft of the walking wheel 11 and the tripod 7 are rotatably connected with the vertex I12, and the rotating shaft is the central shaft of the walking wheel 11; a piston rod 801 of the lifting oil cylinder 8 and the tripod 7 are rotatably connected to the second vertex 13; the first fixing plate 9 and the tripod 7 are rotatably connected with the third vertex 14; when the piston rod 801 of the lifting cylinder 8 moves, the travelling wheel 11 is suitable for rotating around the vertex three 14; the first vertex 12, the second vertex 13 and the third vertex 14 respectively indicate that the rotating connection points of the travelling wheel 11, the lifting oil cylinder 8, the first fixing plate 9 and the tripod 7 are all close to the vertex angle of the tripod 7, so that the travelling wheel 11, the first fixing plate 9 and the lifting oil cylinder 8 can protrude out of the edge of the tripod 7. The travelling wheels 11, the lifting oil cylinder 8 and the first fixing plate 9 are parallel to a rotating shaft which is rotatably connected with the tripod 7, and the heights of the first vertex 12, the third vertex 14 and the second vertex 13 are sequentially increased, namely the lifting oil cylinder 8 is positioned above, the travelling wheels 11 are positioned below, the third vertex 14 is used as a rotating center, and the lifting oil cylinder 8 can downwards press the travelling wheels 11.
Because the traveling wheel 11 rotates around the third vertex 14, the second vertex 13 on the tripod 7 also rotates around the third vertex 14, that is, the end of the piston rod 801 extends out while the distance from the third vertex 14 needs to be kept unchanged, so the whole lift cylinder 8 should be in an active state, specifically, one end of the lift cylinder 8 far away from the piston rod 801 is rotatably connected with the second fixing plate 10, as shown in fig. 3, the first fixing plate 9 is located behind the traveling wheel 11, when the traveling wheel 11 is located above the lower surface of the frame 1, the piston rod 801 is in a retracted state, that is, the state shown in fig. 8, when walking is needed, the lift cylinder 8 is activated, the piston rod 801 extends out to drive the second vertex 13 to gradually move obliquely downwards, because the first fixing plate 9 is fixed, the third vertex 14 is a fixed point, points on the tripod 7 all rotate around the third vertex 14, so the traveling wheel 11 rotates anticlockwise around the third vertex 14, the end of the piston rod 801 tends to move away from the third vertex 14, so that the lifting cylinder 8 rotates counterclockwise through the rotational connection between the lifting cylinder 8 and the second fixing plate 10, the extending direction of the piston rod 801 is changed, the distance between the end of the piston rod 801 and the third vertex 14 is kept unchanged, and the state shown in fig. 9 is the state when the piston rod 801 is completely extended.
The gravity of the three-dimensional hydraulic jacking machine is decomposed towards the two directions of the lifting oil cylinder 8 and the first fixing plate 9 by the arrangement of the triangular support 7, so that the stress of the lifting oil cylinder 8 is reduced, and the energy utilization rate is improved.
Specifically, as shown in fig. 6, the center of the ball head 501 is provided with a through hole 5011 for passing the fixing post 503, and the hole 5011 gradually increases from the middle of the ball head 501 to an end close to the ball seat 502, so as to provide a space for the tilting rotation of the ball head 501. Keep away from the spacing up end in through-hole 5011 of fixed column 503 one end of ball seat 502, fixed column 503 stretches into in the ball seat 502 and is fixed with ball seat 502, can adopt welded fastening, also can adopt threaded connection, the axial connection of bulb 501 and ball seat 502 is realized through the up end of through-hole 5011 and the fixed connection of fixed column 503 and ball seat 502, in order to keep the up end level of bulb 501, the center of bulb 501 sets up two-layer shoulder hole, through-hole 5011 is located the lower floor, and through-hole 5011 is the less round hole of aperture in two-layer shoulder hole. The fixing column 503 may be a screw capable of having a boss, the boss on the screw is used for abutting against the upper end face of the through hole 5011, and since an axial displacement space is provided between the ball seat 502 and the ball head 501, in order to avoid the mutual shaking of the ball seat 502 and the ball head 501, preferably, a spring seat 505 is further provided on the top of the fixing column 503, a spring 504 is sleeved on the fixing column 503 between the spring seat 505 and the upper end face of the through hole 5011, the spring 504 is in a stretched state, the ball seat 502 and the ball head 501 are tightened by virtue of the contraction force of the spring 504, and when the ball head 501 rotates relative to the ball seat 502, the ball seat 502 and the ball head 501 have an axial.
One ends of a first lateral oil cylinder 3 and a second lateral oil cylinder 4 which are far away from the main oil cylinder 2 are connected with the frame 1; the main oil cylinder 2 extends and retracts along the Z direction, the first lateral oil cylinder 3 extends and retracts along the X direction, and the second lateral oil cylinder 4 extends and retracts along the Y direction.
As shown in fig. 1 and 3, the three-dimensional hydraulic jacking machine further includes a front driving wheel 15, a connecting frame assembly 16 and a handle assembly 17, the front driving wheel 15 is driven by the driving cylinder 6 which extends and retracts along the Z direction, an extension rod of the driving cylinder 6 faces downwards, and the driving cylinder 6 is fixed with the frame 1 in a specific fixing mode: a fixed plate 18 is fixed on the cylinder body of the driving oil cylinder 6, and a mounting plane fixedly connected with a workshop is arranged on the fixed plate 18.
The front driving wheel 15 is positioned right below the driving oil cylinder 6 and driven to lift by the driving oil cylinder 6, the driving oil cylinder 6 positively presses the front driving wheel 15, and the telescopic length of the driving oil cylinder 6 is the lifting height of the front driving wheel 15. The handle assembly 17 is located in front of the drive cylinder 6, and the operator is located in front of the handle assembly 17 to control the handle assembly 17.
The connecting frame assembly 16 is arranged between the driving oil cylinder 6 and the front driving wheel 15, the connecting frame assembly 16 is connected with the central shaft of the front driving wheel 15 in a rotating mode and is suitable for rotating around the central shaft of the driving oil cylinder 6, the rotating connection means that the connecting frame assembly 16 is provided with a shaft hole for erecting the central shaft of the front driving wheel 15, the central shaft of the front driving wheel 15 is installed in the shaft hole through a bearing, when the front driving wheel 15 rolls and advances, the shaft hole of the connecting frame assembly 16 and the central shaft of the front driving wheel 15 rotate relatively, so that the connecting frame assembly 16 does not need to rotate together with the front driving wheel 15, the connecting resistance of the connecting frame assembly 16 when the front driving wheel 15 rolls and advances is small, the connecting frame assembly 16 cannot limit the front driving wheel 15 to roll and advance, and the connecting frame assembly 16 is.
When an operator operates the handle assembly 17 to steer, because the rotation plane of the handle assembly 17 is parallel to the central axis of the front driving wheel 15 and is vertical to the central axis of the driving oil cylinder 6, the central axis of the front driving wheel 15 and the front driving wheel 15 rotate together with the handle assembly 17, the steering of the front driving wheel 15 is realized, the driving oil cylinder 6 is fixed, the handle assembly 17 rotates by taking the central axis of the driving oil cylinder 6 as the center, the steering does not need to drive the frame 1 to change the direction, only the rotation friction force between the driving oil cylinder 6 and the connecting frame assembly 16 needs to be overcome, and the steering is convenient and labor-saving.
As shown in fig. 10 and 11, the specific structure of the connecting frame assembly 16 in this embodiment is: comprises a driving wheel connecting plate 1601, a handle connecting plate 1602 and a rotary sleeve 1603 which are fixed by screws from top to bottom in sequence; the driving wheel connecting plate 1601 is rotatably connected with a central shaft of the front driving wheel 15, that is, a shaft hole for erecting the central shaft of the front driving wheel 15 is positioned on the driving wheel connecting plate 1601; the handle connecting plate 1602 is fixed at the bottom of the handle assembly 17, and the handle assembly 17 and the rotating sleeve 1603 are fixed at the top of the handle connecting plate 1602 side by side; the rotating sleeve 1603 is suitable for being rotatably connected with an extension rod of the driving oil cylinder 6, the extension rod of the driving oil cylinder 6 is sleeved on the rotating sleeve 1603 and is suitable for axially limiting the extension rod of the driving oil cylinder 6, and the driving oil cylinder 6 is prevented from being separated from the rotating sleeve 1603.
The rotating sleeve 1603 is generally clamped end to axially limit an extension rod of the driving cylinder 6, and specifically, may adopt, but is not limited to, the following structure: as shown in fig. 12 and 14, a through hole 16031 is formed in the center of the rotating sleeve 1603 for inserting the extension rod of the driving cylinder 6, an inner boss 19 is formed on the inner surface of the rotating sleeve 1603, the inner boss 19 extends towards the center of the rotating sleeve 1603, and a height difference exists between the inner boss 19 and the handle connecting plate 1602; be equipped with last cardboard 20 and lower cardboard 21 on driving cylinder 6's the extension bar, it is suitable for to support the upper surface at rotatory sleeve 1603 to go up cardboard 20, lower cardboard 21 is suitable for the lower surface that supports interior boss 19, lower cardboard 21 is located the space between interior boss 19 and the handle connecting plate 1602, realize axial spacing through last cardboard 20 and lower cardboard 21, rotatory sleeve 1603 and interior boss 19 are integrative fixed, it is integrative fixed with driving cylinder 6 to go up cardboard 20, during the installation, insert rotatory sleeve 1603 with driving cylinder 6's extension bar earlier, it is fixed at driving cylinder 6's end to overlap cardboard 21 down afterwards, fix rotatory sleeve 1603 on the handle connecting plate 1602 fixed with driving wheel connecting plate 1601 at last. The lower clamping plate 21 and the tail end of the driving oil cylinder 6 can be in threaded connection.
The two walking wheel assemblies are used as rear wheels for walking, as shown in fig. 2, the front driving wheel 15 is used as a driving wheel for driving walking and steering, and the bottom of the frame 1 is provided with a rear wheel mounting groove 102 for mounting the walking wheel assemblies.
As shown in fig. 3, the lifting device in the walking wheel assembly of this embodiment drives the walking wheel 11 to lift by using the triangle principle of the tripod 7; because the tripod 7 is the main atress part, consequently, need to have better structural strength, as shown in fig. 7, fig. 8, the tripod 7 includes two set squares 701 that the symmetry set up and the floor 702 that is located between two set squares 701, as preferred, the floor 702 is provided with threely, three floor 702 circumference interval arrangement is in walking wheel 11, between lift cylinder 8 and the first fixed plate 9, when the floor 702 is used for strengthening structural strength, can also separate walking wheel 11, lift cylinder 8 and first fixed plate 9, be convenient for install the location fast, avoid the installation dislocation to lead to the time collision of rotation between the part.
Embodiment 4, in embodiment 3, the rotating sleeve 1603 is fixed to the handle connecting plate 1602 after the driving cylinder 6 is installed on the rotating sleeve 1603, at this time, the rotating sleeve 1603 is heavy and is not easy to be positioned with the handle connecting plate 1602, and the rotating sleeve 1603 is easy to deflect, therefore, as shown in fig. 14, in this embodiment, the top of the handle connecting plate 1602 in embodiment 3 is changed from a plane to a concave-convex surface with a groove 16021 at the center, the inner side wall of the groove 16021 is circular, the bottom of the rotating sleeve 1603 is provided with a lower boss 22 suitable for being clamped in the groove 16021, the lower clamp plate 21 is positioned in the groove 16021, the lower boss 22 refers to a boss extending towards the lower part of the rotating sleeve 1603, the inner boss 19 can be arranged at the bottom of the rotating boss and above the lower boss 22, the lower boss 22 of the rotating sleeve 1603 is inserted into the groove 16021 for pre-positioning during installation, and the rotating sleeve 1603, the recess 16021 may be a square groove, and at this time, the lower boss 22 cannot be rotated after being inserted into the recess 16021, and the screw hole of the rotating sleeve 1603 completely corresponds to the screw hole of the handle attachment plate 1602. The groove 16021 may not only cooperate with the lower boss 22 to pre-position the rotating sleeve 1603, but also may reserve an installation space for the lower chucking plate 21.
Example 5, on the basis of example 3 or example 4, as shown in fig. 10 to 13, a handle assembly 17 includes two hinge lugs 1701 fixed on the top of a handle connecting plate 1602, a pipe frame 1703 rotatably connected with the hinge lugs 1701 through hinge shafts 1702, and a handle 1704 fixed on the pipe frame 1703, the hinge lugs 1701 are symmetrically arranged, the hinge shafts 1702 are parallel to the central axis of the front driving wheel 15, the two hinge lugs 1701 are welded on a mounting plate 23, the mounting plate 23 is then fixed with the handle connecting plate 1602 by screws, the pipe frame 1703 is clamped between the two hinge lugs 1701, both ends of the hinge shafts 1702 are fastened by nuts, the pipe frame 1703 is required to be rotated after fastening, the pipe frame 1703 can keep fixed with the hinge shafts 1702 in position without external force, the handle 1704 is fixed on the upper part of the pipe frame 1703, the handle 1704 has two hinge shafts symmetrically arranged in a horn form, tube support 1703 is a rectangular tube, and the planar side walls of tube support 1703 facilitate mounting and securing of handle 1704. Normally, pipe support 1703 is in vertical state, can rotate the pulling of pipe support 1703 to the operating personnel direction during the operation of operating personnel, adjusts pipe support 1703's angle according to operating personnel's height.
In example 6 and example 5, the pipe frame 1703 needs to be fixed in position by means of nut fastening, if the pipe frame 1703 is fastened too tightly, a cogging phenomenon is easy to occur during rotation of the pipe frame 1703, if the pipe frame 1703 is fastened too loosely, the pipe frame 1703 is easy to shake or even transversely hang on the hinge ear 1701, and the pipe frame 1703 cannot automatically reset after rotating, for this reason, as shown in fig. 10 and fig. 13, in this embodiment, on the basis of example 5, the hinge shaft 1702 is sleeved with the return spring 24, one end of the return spring 24 is fixed with the hinge ear 1701, the other end is fixed with the pipe frame 1703, when the pipe frame 1703 rotates away from the driving cylinder 6, the return spring 24 is gradually tensioned, when the pipe frame 1703 is loosened, the pipe frame 1703 rotates reversely and resets under the elastic force of the return spring 24, in this embodiment, when the pipe frame 1703 moves to the vertical position, the return spring 24 is in, pipe support 1703 can reset to vertical position all the time, and the nut at articulated shaft 1702 both ends need not to play the fastening effect to pipe support 1703 in this embodiment, and pipe support 1703 rotation resistance greatly reduced can not appear the card phenomenon of pause.
In embodiment 7 and embodiment 6, when the pipe frame 1703 is restored, under the action of inertia force, the pipe frame 1703 may rock back and forth on both sides of the vertical position until stopping, and the pipe frame 1703 may hit the driving cylinder 6 during the rocking process, for this embodiment, as shown in fig. 10 and fig. 12, the pipe frame 1703 includes a lower U-shaped pipe 17031 and an upper square pipe 17032 fixedly connected up and down, the lower U-shaped pipe 17031 is rotatably connected with the hinge lug 1701, and the U-shaped slot of the lower U-shaped pipe 17031 is arranged towards the direction far away from the driving cylinder 6, when the pipe frame 1703 is in the vertical state, the middle inner side wall of the lower U-shaped pipe 17031 is arranged to be attached to the surface of the hinge lug 1701, as shown in fig. 12, both ends of the lower U-shaped pipe 17031 are through and the end face is U-shaped, the upper square pipe 17032 is a rectangular pipe, the front and back sides of the hinge lug 1701 are flat, the top is transited, the top is used for the upper square pipe 17032 to insert, when the pipe frame 1703 moves to the vertical, the middle face of the lower U-shaped pipe 17031 is abutted on the front side plane of the hinge ear 1701, the pipe frame 1703 can not continuously swing towards the driving oil cylinder 6, and when the pipe frame 1703 is pulled towards the direction of an operator, the pipe frame 1703 can rotate along the arc-shaped face at the top of the hinge ear 1701. Return spring 24 may also be under tension in this embodiment when tube carrier 1703 is in the vertical position.
In a specific embodiment of the present invention, the three-dimensional hydraulic jacking machine further includes an electrical box, wherein the electrical box is provided with a walking handle button box suitable for controlling the walking wheel assembly, a cylinder button box suitable for controlling the main cylinder 2, the first lateral cylinder 3 and the second lateral cylinder 4, and a total emergency stop button suitable for emergency stop, and the electrical control is realized through the electrical box. The electric box can be placed on the frame 1, and can also be controlled by a manual control handle, taking the embodiment as an example for jacking the ship body, and the operation steps of the three-dimensional hydraulic jacking machine during walking are as follows:
1. ensuring that the three-dimensional hydraulic jacking machine has no load before walking operation; the main power switch in the electric box is closed;
2. starting an oil pump, selecting a switch of a walking handle button box to ascend, pressing a starting button, extending an oil cylinder in the lifting device, jacking the frame 1 by a walking wheel assembly, and enabling the frame 1 to leave the ground; the walking handle button box selects to advance, the starting button is pressed, and the three-dimensional hydraulic jacking machine advances; the walking handle button box is selected to retreat, the starting button is pressed, and the three-dimensional hydraulic jacking machine retreats;
3. after the three-dimensional hydraulic jacking machine is in place, the walking handle button box selection switch selectively descends, the starting button is pressed, the oil cylinder in the lifting device extends and retracts, the whole frame 1 descends until the walking wheel 11 and the front driving wheel 15 are completely retracted to be above the lower surface of the frame 1, the starting button is loosened, and then the selection switch is adjusted to the middle position.
The operation steps of the three-dimensional hydraulic jacking machine during jacking are as follows:
1. before the jacking operation, the walking wheels 11 and the front driving wheels 15 are ensured to be retracted to the right position; the main power switch in the electric box is closed;
2. selecting an oil pump starting button to start an oil pump;
3. selecting a Z-direction jacking button on the oil cylinder button box, and extending and jacking a piston rod 801 of the main oil cylinder 2; releasing the button, and stopping jacking;
4. selecting a push or pull button of an X-direction oil cylinder or a Y-direction oil cylinder to extend in the X direction, retract in the X direction, extend in the Y direction and retract in the Y direction, starting to push or pull the ship body to move by the first lateral oil cylinder 3 and the second lateral oil cylinder 4, and stopping when the button is released to move;
5. pressing and keeping the Z-direction descending button, descending a piston rod 801 of the main oil cylinder 2, and descending the ship body;
6. pressing a 'pump station closing' button to close the pump station;
7. the total emergency stop button can cut off the power of the whole machine and stop the work forcibly.
And when four three-dimensional hydraulic lifting machines are used for lifting simultaneously, 4 operators are needed, 1 commander and 4 operators are matched with each other, and the operation is carried out according to the unified instruction of the commander.
1. when the wireless control handle linkage control console is used for controlling four three-dimensional hydraulic jacking machines, 1 operator is needed;
2. connecting a signal wire to confirm that all the three-dimensional hydraulic jacking machines are placed in the same direction;
3. the three-dimensional hydraulic jacking machine is controlled by accessing the wireless control handle access/disconnection button, and an access indicator lamp of the accessed three-dimensional hydraulic jacking machine is lightened;
4. loosening an emergency stop button, pressing down a pump station for starting, and starting an accessed three-dimensional hydraulic jacking machine pump station;
5. pressing and keeping the X-direction oil cylinder to extend, retracting the X-direction oil cylinder, extending the Y-direction oil cylinder, retracting the Y-direction oil cylinder, jacking the Z-direction oil cylinder, and operating corresponding actions of all connected three-dimensional hydraulic jacking machines by a Z-direction oil cylinder descending button; the action of the disconnection button is stopped;
6. and (5) disconnecting the pump station closing button, and closing the accessed three-dimensional hydraulic jacking machine pump station.
But this embodiment adopts wireless remote control N platform to combine, and convenient to use and practicality effectively solve the on-the-spot complicated place of large-scale installation engineering and walk the difficult problem of line.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A three-dimensional hydraulic jack, comprising:
the device comprises a frame (1), a main oil cylinder (2) which is positioned at the top of the frame (1) and is suitable for horizontally sliding along the surface of the frame (1), a first lateral oil cylinder (3) and a second lateral oil cylinder (4) which are positioned on the circumferential side of the main oil cylinder (2), and a walking wheel assembly which is suitable for driving the frame (1) to walk;
one ends of the first lateral oil cylinder (3) and the second lateral oil cylinder (4) far away from the main oil cylinder (2) are connected with the frame (1); the main oil cylinder (2) stretches along the Z direction, the first lateral oil cylinder (3) stretches along the X direction, and the second lateral oil cylinder (4) stretches along the Y direction.
2. The three-dimensional hydraulic jack according to claim 1, wherein: a sliding plate (103) is fixed to the top of the frame (1), and the main oil cylinder (2) is located above the sliding plate (103) and can horizontally slide along the surface of the sliding plate (103).
3. The three-dimensional hydraulic jack according to claim 2, wherein: the sliding plate (103) is made of plastic alloy materials with low friction coefficient.
4. The three-dimensional hydraulic jack according to claim 1, wherein: the top of master cylinder (2) is equipped with ball seat assembly (5), ball seat assembly (5) include ball seat (502), bulb (501) and connect ball seat (502) with fixed column (503) of bulb (501), ball seat (502) with the axial one end of master cylinder (2) is fixed, the upper surface of bulb (501) with by jacking equipment contact, the contact surface of ball seat (502) and bulb (501) is spherical curved surface, bulb (501) can be followed spherical curved surface is relative ball seat (502) motion.
5. The three-dimensional hydraulic jack according to claim 4, wherein: the center of the ball head (501) is provided with a through hole (5011) suitable for the fixing column (503) to pass through, and the hole diameter of the through hole (5011) is gradually increased from the middle of the ball head (501) to one end close to the ball seat (502).
6. The three-dimensional hydraulic jack according to claim 1, wherein: the walking wheel assembly comprises a plurality of walking wheels (11) and a lifting device for driving the walking wheels (11) to lift.
7. The three-dimensional hydraulic jack according to claim 6, wherein the lifting device comprises:
a tripod (7), the tripod (7) having a first vertex (12), a second vertex (13) and a third vertex (14) enclosing a triangle;
a piston rod (801) of the lifting oil cylinder (8) and the tripod (7) are rotatably connected to the second vertex (13);
one end of the first fixing plate (9) is fixed with the frame (1), and the other end of the first fixing plate (9) is rotatably connected with the tripod (7) to form a third vertex (14);
the second fixing plate (10), the second fixing plate (10) is fixedly connected with the frame (1), and one end, far away from the piston rod (801), of the lifting oil cylinder (8) is rotatably connected with the second fixing plate (10);
the walking wheel (11) and the tripod (7) are rotatably connected with the first vertex (12); when a piston rod (801) of the lifting oil cylinder (8) moves, the travelling wheel (11) is suitable for rotating around the vertex three (14); the travelling wheels (11), the lifting oil cylinder (8), the first fixing plate (9) and the tripod (7) are mutually parallel to each other, and the heights of the first vertex (12), the third vertex (14) and the second vertex (13) are sequentially increased.
8. The three-dimensional hydraulic jack according to claim 6, wherein: the lifting device is a driving oil cylinder (6) fixed with the frame (1), and the driving oil cylinder (6) stretches along the Z direction.
9. The three-dimensional hydraulic jack according to any one of claims 1-8, wherein: the three-dimensional hydraulic jacking machine further comprises an electrical box, wherein a walking handle button box suitable for controlling the walking wheel assembly, an oil cylinder button box suitable for controlling the main oil cylinder (2), the first lateral oil cylinder (3) and the second lateral oil cylinder (4) and a total emergency stop button suitable for emergency stop are arranged in the electrical box.
10. The utility model provides a three-dimensional jacking system which characterized in that: the three-dimensional hydraulic jack comprising three or more than three hydraulic jacks as claimed in claim 9, wherein each of said electrical boxes is electrically connected to a wireless control handle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562872A (en) * | 2019-09-23 | 2019-12-13 | 常州瑞阳液压成套设备有限公司 | Three-dimensional hydraulic jacking machine and three-dimensional jacking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562872A (en) * | 2019-09-23 | 2019-12-13 | 常州瑞阳液压成套设备有限公司 | Three-dimensional hydraulic jacking machine and three-dimensional jacking system |
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