CN112707337A - Engineering vehicle landing leg hydro-cylinder overhead hoist - Google Patents
Engineering vehicle landing leg hydro-cylinder overhead hoist Download PDFInfo
- Publication number
- CN112707337A CN112707337A CN201911026028.1A CN201911026028A CN112707337A CN 112707337 A CN112707337 A CN 112707337A CN 201911026028 A CN201911026028 A CN 201911026028A CN 112707337 A CN112707337 A CN 112707337A
- Authority
- CN
- China
- Prior art keywords
- supporting
- lifting
- oil cylinder
- lifting frame
- leg oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/061—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks characterised by having a lifting jib
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/18—Load gripping or retaining means
- B66F9/183—Coplanar side clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2203/00—Grasping, holding, supporting the objects
- B62B2203/10—Grasping, holding, supporting the objects comprising lifting means
Abstract
The invention relates to a lifting device for a support leg oil cylinder of an engineering vehicle. The lifting device comprises a movable rack, a lifting mechanism and a supporting mechanism, wherein the lifting mechanism comprises a lifting frame and a lifting piece, the lifting frame is movably assembled on the movable rack in a guiding manner, the lifting piece is arranged on the lifting frame and is provided with a suspension part which is suspended outside the lifting frame, the suspension part is used for being matched with a matched lifting appliance to suspend a supporting leg oil cylinder, and the lifting mechanism also comprises a driving mechanism which is arranged on the movable rack and is used for driving the lifting frame to move in a guiding manner; the supporting mechanism comprises a supporting rod and a supporting piece arranged at the end part of the supporting rod, the supporting rod moves in a reciprocating mode and is arranged on the lifting frame so as to enable the supporting piece to be close to and far away from the supporting leg oil cylinder when in use, the supporting piece is used for supporting the supporting leg oil cylinder in the lifting supporting leg oil cylinder process, and the supporting mechanism further comprises a locking structure for locking the lifting frame and the supporting rod when the supporting rod stops moving. The lifting device can be used for solving the problem that the assembly efficiency of the support oil cylinder is low in the prior art.
Description
Technical Field
The invention relates to a lifting device for a support leg oil cylinder of an engineering vehicle.
Background
The supporting leg oil cylinder controls the lifting and the stability of the whole engineering vehicle in the operation process of the engineering vehicle, and is a very key structure in the engineering vehicle. The landing leg oil cylinder is installed in the mounting hole of landing leg to it is fixed with the landing leg through the mounting panel on its periphery, because the landing leg oil cylinder among the engineering vehicle is generally heavier, so in landing leg oil cylinder assembling process, generally hang the landing leg oil cylinder through going and assemble, the tip of landing leg oil cylinder is equipped with the grease hole, the grease hole can be passed by the hoist that the line hung, the landing leg oil cylinder is in assembling process, its axis need extend from top to bottom.
Although the lifting of the support oil cylinder can be conveniently realized through the travelling crane, the number of the travelling crane in a production workshop is limited, the time which can be allocated to the assembly of the support oil cylinder is limited, and the assembly efficiency of the support oil cylinder is undoubtedly reduced.
Disclosure of Invention
The invention aims to provide a lifting device for a support leg oil cylinder of an engineering vehicle, which is used for solving the problem of low assembly efficiency of the support leg oil cylinder in the prior art.
In order to achieve the purpose, the lifting device for the support leg oil cylinder of the engineering vehicle adopts the following technical scheme:
this engineering vehicle landing leg hydro-cylinder overhead hoist includes:
moving the frame;
the lifting mechanism comprises a lifting frame and a lifting piece, the lifting frame is movably assembled on the movable rack in a guiding mode, the lifting piece is arranged on the lifting frame and is provided with a suspension part which is suspended outside the lifting frame, the suspension part is used for being matched with a matched lifting appliance to be used for hanging the support oil cylinder, and the lifting mechanism further comprises a driving mechanism which is arranged on the movable rack and is used for driving the lifting frame to move in a guiding mode;
the supporting mechanism comprises a supporting rod and a supporting piece arranged at the end part of the supporting rod, the supporting rod moves in a reciprocating mode and is arranged on the lifting frame, so that the supporting piece can be close to and far away from the supporting leg oil cylinder when in use, the supporting piece is used for supporting the supporting leg oil cylinder in the lifting supporting leg oil cylinder process, and the supporting mechanism further comprises a locking structure for locking the lifting frame and the supporting rod when the supporting rod stops moving.
The lifting device for the support leg oil cylinder of the engineering vehicle has the beneficial effects that: when the lifting device is used, the supporting leg oil cylinder can be hung through the matching of a lifting piece in the lifting mechanism and a matched lifting appliance, the driving mechanism drives the lifting frame to move on the moving rack in a guiding mode to lift the supporting leg oil cylinder, meanwhile, the supporting piece in the supporting mechanism supports the supporting leg oil cylinder to prevent the supporting leg oil cylinder from swinging, further, the supporting leg oil cylinder can be prevented from colliding with other structures, then the lifting device is moved to be installed together with the supporting leg oil cylinder to the supporting leg position, the lifting of the supporting leg oil cylinder in a workshop is not needed, the limiting conditions during the assembly of the supporting leg oil cylinder are reduced, and further, the assembly efficiency of the supporting leg oil cylinder is improved.
Furthermore, the hoisting part is hinged to the lifting frame, the hinge axis of the hoisting part extends horizontally, the hoisting mechanism further comprises a telescopic arm, one end of the telescopic arm is hinged to the lifting frame, and the other end of the telescopic arm is hinged to the hoisting part and used for adjusting the included angle between the hoisting part and the horizontal plane. The lifting device is arranged in such a way that binding points on the lifting piece for binding the matched lifting tool can be adjusted in a larger range in the height direction, so that the lifting device can adapt to supporting leg oil cylinders of different specifications.
Furthermore, a guide rail is arranged on the movable rack, a roller matched with the guide rail is arranged on the lifting frame, and the lifting frame is movably assembled on the movable rack through the matching guide of the roller and the guide rail. The friction between the lifting frame and the movable rack can be reduced by the arrangement, and the energy consumption of the driving mechanism is further reduced.
Further, the supporting mechanism comprises a mounting seat and a lead screw, the mounting seat is fixedly mounted on the lifting frame, the lead screw forms the supporting rod, the lead screw is in running fit with the supporting piece, a threaded hole in threaded fit with the lead screw is formed in the mounting seat, and an external thread on the lead screw and an internal thread in the threaded hole form a locking structure together. The supporting mechanism does not need to be provided with a special locking structure, so that the structural complexity of the hoisting mechanism is reduced.
Further, the supporting piece is matched with the mounting seat in a guiding mode along the axial extension direction of the lead screw. The supporting leg oil cylinder is convenient to support by the supporting piece, when the supporting rod is moved, a worker does not need to be specially arranged to support the supporting piece to enable the supporting piece to be aligned with the supporting leg oil cylinder, and manpower waste is reduced.
Furthermore, a guide rod is arranged on the supporting piece, the guide rod is parallel to the lead screw, a guide hole for the guide rod to penetrate through is formed in the mounting seat, and the supporting piece is in guide fit with the mounting seat through the guide hole and the guide rod. Due to the arrangement, the guide rod deformation caused by collision of the support leg oil cylinder with the guide rod in the swinging process is avoided, and the supporting mechanism can not be used.
Further, a linear bearing is arranged in the guide hole, and the guide rod is matched with the linear bearing to realize the guide matching of the supporting piece and the mounting seat. Set up like this, can reduce the frictional force between guide bar and the mount pad, the degree of difficulty when reducing the drive bracing piece and removing.
Furthermore, the supporting piece is provided with an arc-shaped opening corresponding to the supporting leg oil cylinder, and when the supporting piece is used, the arc-shaped opening is attached to the outer peripheral surface of the supporting leg oil cylinder to support the supporting leg oil cylinder. The supporting piece is simple in structure and easy to machine, contact points between the supporting piece and the supporting leg oil cylinder are more, and stability of the supporting leg oil cylinder is good.
Furthermore, a rubber pad is arranged on the binding surface of the arc-shaped opening, which is contacted with the supporting leg oil cylinder. By the arrangement, the supporting piece can be prevented from damaging paint and a protective layer on the surface of the supporting leg oil cylinder.
Further, actuating mechanism includes the last pivot of rotation assembly at crane movement interval upside and rotates the lower pivot of assembly at crane movement interval downside, and upper and lower pivot parallel arrangement all is equipped with the sprocket or is equipped with the sprocket in going up pivot and the lower pivot, actuating mechanism still include with the chain of sprocket or sprocket adaptation, the chain is walked around last pivot and lower pivot, and its both ends respectively with crane fixed connection, actuating mechanism still includes pivot or lower pivot pivoted power device in the drive. The driving mechanism is simple in structural form and easy to realize.
Drawings
FIG. 1 is a using state diagram of an embodiment 1 of the engineering vehicle support oil cylinder lifting device provided by the invention;
FIG. 2 is a schematic structural diagram of a movable frame in an embodiment 1 of the engineering vehicle support leg cylinder lifting device provided by the invention;
FIG. 3 is a schematic structural diagram of an armrest in an embodiment 1 of the engineering vehicle leg cylinder lifting device provided by the invention;
fig. 4 is a schematic structural diagram of a supporting mechanism in embodiment 1 of the engineering vehicle leg cylinder lifting device provided by the invention (showing the internal structure of a supporting part);
FIG. 5 is a schematic structural diagram of a support in embodiment 1 of the engineering vehicle support oil cylinder lifting device provided by the invention;
FIG. 6 is a schematic structural diagram of a telescopic arm in an embodiment 1 of the engineering vehicle support leg oil cylinder lifting device provided by the invention;
fig. 7 is a partial structural schematic diagram of a hoisting mechanism in an embodiment 1 of the lifting device for the support leg oil cylinder of the engineering vehicle provided by the invention;
FIG 8 is a schematic structural diagram of a boom in embodiment 1 of the engineering vehicle leg cylinder lifting device provided by the invention;
FIG. 9 is a schematic structural diagram of a lifting frame in an embodiment 1 of the engineering vehicle leg cylinder lifting device provided by the invention;
fig. 10 is a schematic structural diagram of a lifting appliance in an embodiment 1 of the engineering vehicle leg cylinder lifting device provided by the invention;
fig. 11 is a schematic structural diagram of a support in embodiment 2 of the engineering vehicle leg cylinder lifting device provided by the invention.
In the drawings: 1-support, 2-bottom plate, 3-top plate, 4-road wheel, 5-battery box, 6-handrail, 7-control switch, 8-support mounting hole, 9-upper rotating shaft, 10-lower rotating shaft, 11-motor, 12-chain, 13-lifting frame, 14-upper limit switch, 15-support, 16-telescopic boom, 17-suspension arm, 18-lifting tool, 19-support oil cylinder, 20-support leg, 21-supporting mechanism, 22-lower limit switch, 23-handrail mounting hole, 24-mounting seat, 25-supporting part, 26-lead screw, 27-rotating disk, 28-guide rod, 29-lead screw nut, 30-linear bearing, 31-guide rod screw sleeve, 32-support rod, 33-support nut, 34-support connector, 35-sleeve, 36-telescopic arm nut, 37-telescopic rod, 38-telescopic arm connector, 39-suspension arm body, 40-support hinged shaft, 41-telescopic arm hinged shaft, 42-hanger connecting shaft, 43-square frame, 44-mounting seat fixing hole, 45-support fixing hole, 46-roller, 47-upper chain fixing seat, 48-lower chain fixing seat, 49-fixing screw, 50-telescopic arm hinged support, 51-steel wire rope, 52-clamp, 53-lifting hook, 54-lifting hook pin shaft, 55-limiting wall, 56-connecting hole, and 57-arc-shaped gap.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The embodiment 1 of the lifting device for the support leg oil cylinder of the engineering vehicle, provided by the invention, comprises the following steps:
the lifting device comprises a movable rack, a lifting mechanism and a supporting mechanism, wherein the lifting mechanism is arranged on the movable rack, and the supporting mechanism is arranged on the lifting mechanism.
As shown in fig. 1 and 2, the moving frame includes a bottom plate 2, a top plate 3 and four vertically extending pillars 1 arranged between the bottom plate 2 and the top plate 3, the four pillars 1 are C-shaped materials, four traveling wheels 4 are installed on the lower side of the bottom plate 2 to enable the moving frame to move, the four pillars 1 are arranged on the front portion of the bottom plate 2, and a battery box 5 is arranged on the rear portion of the bottom plate 2; four pillars 1 are grouped in pairs, and two pillars 1 in a group of pillars 1 positioned on the front side are opposite in opening.
As shown in fig. 1 and 3, the movable rack further includes an armrest 6, the armrest 6 is fixed on a group of pillars 1 near the rear side of the movable rack, a plurality of pillar mounting holes 8 are formed at intervals along the up-down direction on the group of pillars 1 near the rear side, an armrest mounting hole 23 is formed in the armrest 6, and the armrest 6 is mounted in the movable rack in a position-adjustable manner through the armrest mounting hole 23, the pillar mounting hole 8 and a matching bolt.
As shown in fig. 1, 7 and 9, the lifting mechanism comprises a lifting frame 13, the lifting frame 13 comprises a square frame 43, two rollers 46 are respectively installed on the left side and the right side of the square frame 43, the two rollers 46 on each side are arranged at intervals along the vertical direction, the four rollers 46 are respectively installed at corresponding positions through a fixing screw 49, when the rollers 46 are installed, it is ensured that the rollers 46 are not pressed by the fixing screws 49, and further the rollers 46 can rotate, when the lifting frame 13 is installed, the four rollers 46 on the lifting frame extend into openings of two support columns 1 close to the front side of the movable rack, the openings of the two support columns 1 form guide rails, and the lifting frame 13 is assembled on the two support columns 1 in a guiding and moving manner.
As shown in fig. 1, 7 and 9, the crane 13 is controlled by a driving mechanism, the driving mechanism includes an upper rotating shaft 9 rotatably mounted on the top plate 3 and a lower rotating shaft 10 rotatably mounted on the bottom plate 2, two chain wheels are respectively mounted on the upper rotating shaft 9 and the lower rotating shaft 10, the two chain wheels are arranged at intervals along the left-right direction, the chain wheels on the same side on the upper rotating shaft 9 and the lower rotating shaft 10 are correspondingly arranged in the up-down direction, the driving mechanism further includes two chains 12 adapted to the chain wheels on the upper rotating shaft and the lower rotating shaft, one chain 12 respectively bypasses the chain wheel on the left side of the upper rotating shaft and the chain wheel on the right side of the lower rotating shaft, and the other chain 12 respectively bypasses the chain wheels on the right; two upper chain fixing seats 47 are arranged on the upper side of the lifting frame 13, two lower chain fixing seats 48 are arranged on the lower side of the lifting frame 13, the upper ends of the two chains 12 are fixed on the two upper chain fixing seats 47 through pin shafts respectively, and the lower ends of the two chains 12 are fixed on the two lower chain fixing seats 48 through pin shafts respectively; the driving mechanism further comprises a motor 11 fixed on the top plate 3, the motor 11 drives the upper rotating shaft 9 to rotate through a worm gear mechanism, so as to drive the two chains 12 to move, and the lifting frame 13 is driven to move in the openings of the two support columns 1 in the moving process of the two chains 12, so that the lifting frame 13 can be guided to move in the vertical direction; the motor 11 and the matched worm and gear mechanism form a power device in the driving mechanism together.
As shown in fig. 1, 2 and 3, a control switch 7 for controlling the start and stop of the motor 11 is arranged on the armrest 6, and an operator can control the start and stop of the motor 11 through the control switch 7, so as to control the movement of the crane 13; an upper limit switch 14 and a lower limit switch 22 are respectively arranged on one strut 1 of the movable rack close to the front side, the upper limit switch 14 and the lower limit switch 22 are connected with the motor 11 in a control mode, when the lifting frame 13 moves downwards to touch the lower limit switch 22 or moves upwards to touch the upper limit switch 14, the motor 11 is controlled by the lower limit switch 22 and the upper limit switch 14 to be closed, and then the lifting frame 13 stops moving.
As shown in fig. 1, 5, 8 and 9, the lifting mechanism further comprises a boom 17, one end of the boom 17 is hinged on the crane 13, and the other end is suspended outside the crane 13. A support fixing hole 45 penetrating through the upper side cross beam is formed in the upper side cross beam of the square frame 43 of the lifting frame 13, a support 15 is installed in the support fixing hole 45, the support 15 comprises a support rod 32, external threads are formed in the peripheral surface of the support rod 32, the support rod 32 penetrates through the support fixing hole 45 and is fixed through two support nuts 33, a support connector 34 is arranged at the end part of the support rod 32, a hinge hole for the suspension arm 17 to hinge is formed in the support connector 34, and after the support 15 is fixed on the lifting frame 13, the axis of the hinge hole extends in the left-right direction; the suspension arm 17 comprises a suspension arm body 39 and a support articulated shaft 40, the suspension arm body 39 is a hollow pipe body, through holes for the support articulated shaft 40 to pass through are formed in two opposite pipe walls at the end part of the suspension arm body 39, when the suspension arm 17 is installed, the support connector 34 of the support 15 extends into the space between the two opposite pipe walls at the end part of the suspension arm body 39, the through holes for the support articulated shaft 40 to pass through on the suspension arm body 39 are coaxial with the articulated holes on the support connector 34, and then the support articulated shaft 40 is installed; the suspension arm 17 forms a hoisting piece in the hoisting mechanism; the structure of the boom 17 overhanging the crane 13 constitutes the overhanging part of the sling.
As shown in fig. 1, 6, 8 and 9, a telescopic boom 16 is arranged between the boom 17 and the crane 13, the telescopic boom 16 includes a sleeve 35, two telescopic boom nuts 36 are respectively fixed at two ends of the sleeve 35, the two telescopic boom nuts 36 are coaxially arranged with the sleeve 35, two telescopic rods 37 are respectively installed at two ends of the sleeve 35, external threads adapted to the internal threads of the telescopic boom nuts 36 are arranged on the outer circumferential surface of the telescopic rods 37, the telescopic rods 37 can move in a guiding manner relative to the sleeve 35, and two telescopic boom connectors 38 are respectively arranged at the opposite ends of the two telescopic rods 37; one end of the telescopic boom 16 is hinged on the suspension arm 17, the other end is hinged on the lifting frame 13, two telescopic boom connectors 38 at two ends of the telescopic boom 16 are provided with hinge holes for the corresponding pin shaft to pass through, and the connection relation of the telescopic boom 16, the lifting frame 13 and the suspension arm 17 is specifically as follows: a telescopic arm hinged support 50 is arranged on a square frame 43 of the lifting frame 13, a telescopic arm connector 38 at one end of a telescopic arm 16 is hinged on the telescopic arm hinged support 50, the lifting arm 17 further comprises a telescopic arm hinged shaft 41, two opposite pipe walls in the middle area of the lifting arm body 39 are provided with through holes for the telescopic arm hinged shaft 41 to pass through, the pipe wall vertical to the pipe wall provided with the through holes is provided with an opening for the end part of the telescopic arm 16 to extend into, the telescopic arm connector 38 at the other end of the telescopic arm 16 can extend into the lifting arm body 39 through the opening, the hinged hole on the telescopic arm connector 38 is coaxial with the through hole on the lifting arm body 39, and then the telescopic arm hinged shaft 41 is fixedly connected; the hinge axes at both ends of the telescopic arm 16 extend along the left-right direction; the telescopic boom 16 is arranged such that the boom 17 can be at different angles to the horizontal.
As shown in fig. 1, 8 and 10, a hanger 18 is installed at one end of a boom body 39 of a boom 17, which is far away from a crane 13, the hanger 18 comprises a steel wire rope 51, a clamp 52, a hook 53 and a hook pin 54, two ends of the steel wire rope 51 are bent and then clamped by the clamp 52 to form a fixed annular structure, the hook 53 passes through the fixed annular structure at one end of the steel wire rope 51, a through hole for the hook pin 54 to pass through is arranged on the hook 53, the hook pin 54 passes through the through hole and encloses a closed structure together with the hook 53, and when in use, the hook pin 54 passes through a yellow oil hole on a leg oil cylinder 19 and then is connected; the fixed annular structure at the other end of the steel wire rope 51 is fixed on the suspension arm 17, the suspension arm 17 further comprises a hanger connecting shaft 42, the steel wire rope 51 is fixed on the suspension arm 17 through the hanger connecting shaft 42, a through hole for the hanger connecting shaft 42 to penetrate through is formed in the pipe wall of the end portion, far away from the lifting frame 13, of the suspension arm body 39 of the suspension arm 17, an opening is further formed in the pipe wall corresponding to the through hole for the hanger connecting shaft 42 to penetrate through, the pipe wall with the opening is perpendicular to the pipe wall with the through hole, and the fixed annular structure on the steel wire rope 51 can stretch into the interior of the suspension arm body 39.
Reinforcing rings are welded at the perforated positions on the suspension arm body 39 corresponding to the support hinged shaft 40, the telescopic arm hinged shaft 41 and the hanger connecting shaft 42 so as to prevent the suspension arm body 39 at the perforated position from deforming; the axes of the support articulated shaft 40, the telescopic arm articulated shaft 41 and the hanger connecting shaft 42 extend along the left-right direction after being installed.
As shown in fig. 1, 4 and 9, the supporting mechanism 21 is used for supporting the leg oil cylinder 19, and includes a mounting seat 24, the mounting seat 24 is fixed on the crane 13, a mounting seat fixing hole 44 for fixing the mounting seat 24 is arranged on a lower side beam of a square frame 43 of the crane 13, and the mounting seat 24 is installed on the crane 13 through a matching bolt and the mounting seat fixing hole 44; the supporting mechanism 21 further comprises a screw rod 26, the mounting base 24 is provided with a through hole for the screw rod 26 to pass through, a threaded sleeve is welded and fixed in the through hole, the thread of the threaded sleeve is matched with the thread of the screw rod 26, the screw rod 26 rotates in the threaded sleeve and moves in a guiding manner relative to the mounting base 24, one end of the screw rod 26 is provided with a supporting piece 25, the supporting piece 25 is of a square box-shaped structure with one open side and comprises a box bottom plate and four side plates, two opposite side plates of the four side plates are larger in width, the other two opposite side plates are smaller in width, the box bottom plate of the supporting piece 25 is provided with a screw rod through hole, the screw rod 26 passes through the screw rod through hole during assembly, the screw rod 26 is provided with a screw rod nut 29 at two sides of the screw rod through hole, the two screw rod nuts 29 limit the supporting piece 25 at the end of the screw rod 26, but the screw rod nut 29 does not fix the, the holding part 25 can rotate freely on the screw 26; one end of the screw rod 26, which is far away from the supporting piece 25, is provided with a turntable 27, and when the device is used, the screw rod 26 is rotated through the turntable 27 to drive the supporting piece 25 to move in a guiding way relative to the mounting seat 24; the lead screw 26 constitutes a support rod in the holding mechanism 21.
As shown in fig. 4, a guide rod through hole is respectively arranged on the bottom plate of the box of the holding member 25 and on both sides of the screw rod through hole, a guide rod threaded sleeve 31 is respectively arranged in each of the two guide rod through holes, the two guide rods 28 are installed on the holding member 25 through the corresponding guide rod threaded sleeves 31, and the guide rods 28 are provided with external threads matched with the threads on the guide rod threaded sleeves 31; the mounting seat 24 is provided with a mounting seat through hole corresponding to each of the two guide rods 28, each of the two mounting seat through holes is provided with a linear bearing 30, during assembly, the guide rods 28 penetrate through the corresponding linear bearings 30, and during the process that the lead screw 26 drives the supporting member 25 to move, the guide rods 28 are used for preventing the supporting member 25 from rotating. The arc-shaped openings 57 are respectively arranged at the positions, close to the opening side, of the two side plates with larger width of the supporting piece 25, the arc-shaped openings 57 are used for encircling the supporting leg oil cylinder 19 when the supporting mechanism 21 supports the supporting leg oil cylinder 19, and rubber pads (not shown in the figure) are attached to the bottom surfaces of the arc-shaped openings 57 (namely, the attaching surfaces of the arc-shaped openings 57, which are used for attaching to the outer peripheral surface of the supporting leg oil cylinder 19).
When the lifting device is used, the lifting device is moved to the position where the supporting leg oil cylinder 19 is placed, the supporting leg oil cylinder 19 is lifted through the lifting appliance 18 after being wound, the motor 11 is started to control the lifting frame 13 to ascend, the supporting leg oil cylinder 19 is lifted gradually, in the process, the screw rod 26 is rotated to enable the supporting piece 25 to be close to the supporting leg oil cylinder 19, the bottom surface of the arc-shaped notch 57 on the supporting piece 25 is enabled to be attached to the outer peripheral surface of the supporting leg oil cylinder 19, the supporting leg oil cylinder 19 is supported, and the supporting leg oil cylinder 19 is prevented from swinging too much in the lifting process to cause accidents; gradually adjusting the screw rod 26, so that after the support oil cylinder 19 is supported by the final support piece 25, the axis of the support oil cylinder 19 extends up and down, then moving the lifting device to the position of the support leg 20, repeatedly moving the lifting device, so that the support oil cylinder 19 is aligned with the oil cylinder mounting hole on the support leg 20, then controlling the motor 11 to act, further controlling the lifting frame 13 to descend so that the support oil cylinder 19 gradually enters the oil cylinder mounting hole 20, after the lower end of the support oil cylinder 19 enters the oil cylinder mounting hole of the support leg 20, rotating the screw rod 26 so that the support piece 25 is far away from the support oil cylinder 19, after the support piece 25 is far away from the support oil cylinder 19, continuing to lower the support oil cylinder 19 until the support oil cylinder 19 falls to a set position, and then detaching the hook pin shaft 54 so that the lifting appliance 18 is separated.
The embodiment 2 of the lifting device for the support leg oil cylinder of the engineering vehicle, provided by the invention, comprises the following steps:
the difference from example 1 is that: as shown in fig. 11, the support connection head is replaced by a hinge support, the hinge support comprises two opposite limiting walls 55, each limiting wall 55 is provided with a connecting hole 56, when in assembly, the end part of the suspension arm is arranged between the two limiting walls 55, the through hole of the suspension arm for the support hinge shaft to pass through is coaxial with the two connecting holes 56, and then the support hinge shaft passes through the two through holes of the suspension arm and the two connecting holes 56 of the hinge support, so that the arrangement can limit the suspension arm in the left-right direction and improve the stability of the suspension arm.
In the above embodiment, the suspension arm is hinged to the lifting frame and used in cooperation with the telescopic arm, so that the included angle between the suspension arm and the horizontal plane can be adjusted. In other embodiments, the boom can also be directly fixedly installed on the lifting frame, or directly arranged with the lifting frame in an integrated manner.
In the above embodiment, the crane is provided with the roller, and the crane is matched with the movable rack in a rolling manner to realize the guiding movement of the crane. In other embodiments, the lifting frame can be not provided with a roller, and the lifting frame is in sliding fit with the movable rack to realize the guiding movement of the lifting frame and can also be used.
In the above embodiment, the supporting mechanism includes a mounting seat and a screw rod, the end of the screw rod is provided with a supporting part, and the supporting part is close to and far away from the supporting leg oil cylinder by rotating the screw rod; the screw thread between the screw rod and the mounting seat realizes the locking of the screw rod and the mounting seat, and further realizes the locking between the screw rod and the lifting frame. In other embodiments, the supporting mechanism can also be a hydraulic cylinder, a piston rod of the hydraulic cylinder forms a supporting rod, and the piston rod is connected with the supporting piece, so that the supporting piece is close to and far away from the supporting leg oil cylinder. The hydraulic cylinder can be used as well, and the hydraulic cylinder can be replaced by an air cylinder, an electric push rod and the like; in other embodiments, the screw rod can also be replaced by a polished rod, the polished rod passes through a through hole on the mounting seat, a threaded hole which is perpendicular to the through hole and enables the through hole to be communicated with the outside of the mounting seat is further arranged on the mounting seat, and then the polished rod is moved to the right position and then locked with the mounting seat by using the jackscrew, so that the polished rod is locked with the lifting frame.
In the above embodiment, two guide rods are installed on the supporting piece, two mounting seat through holes are formed in the mounting seat corresponding to the two guide rods, and the supporting piece is matched with the mounting seat in a guiding manner through the matching of the guide rods and the mounting seat through holes. In other embodiments, the guide rod can be fixed on the mounting seat, and the supporting piece is provided with the guide hole, so that the supporting piece can be guided to be matched with the mounting seat; in other embodiments, the guide rod may not be provided, that is, the guide structure is not provided between the holding member and the mounting seat, and in this case, in the process of rotating the screw rod, the holding member can rotate freely, so that an operator is required to hold the holding member, so that the arc-shaped opening on the holding member can be attached to the outer circumferential surface of the leg oil cylinder.
In the above embodiment, the arc-shaped opening is arranged at the position close to the opening side on the two side plates with the larger width of the supporting piece, the arc-shaped opening is used for supporting the supporting leg oil cylinder, and the rubber pad is further pasted on the bottom surface of the arc-shaped opening so as to prevent the supporting piece from damaging the paint and the protective layer on the surface of the supporting leg oil cylinder. In other embodiments, the bottom surface of the arc-shaped notch can be used without a rubber pad; the supporting part can be provided with a plurality of supporting rods without being provided with arc-shaped openings, and supporting parts used for supporting the supporting leg oil cylinder on the plurality of supporting rods form an arc shape together so as to be convenient for supporting the supporting leg oil cylinder and can be used as well.
In the above embodiment, the through holes of the mounting seat on the mounting seat are respectively provided with a linear bearing, and the guide rod is in guide fit with the linear bearings to realize the guide fit between the supporting piece and the mounting seat. In other embodiments, the linear bearing is not arranged in the through hole of the mounting seat, and the guide rod is directly matched with the through hole of the mounting seat in a guiding way and can also be used.
In the above embodiment, the driving mechanism includes an upper rotating shaft, a lower rotating shaft, a chain wheel and a power device, the power device drives the upper rotating shaft to rotate, so as to realize the lifting of the lifting frame, and the power device includes a motor and a worm and gear mechanism. In other embodiments, the power device may also be in other forms, such as only including a motor, the motor is coaxially driven with the upper rotating shaft, and the motor may also or alternatively drive the upper rotating shaft through a bevel gear; the power device can also drive the lower rotating shaft to realize the lifting of the lifting frame, and the lifting frame can also be driven by the power device; the driving mechanism can also be in other structural forms, for example, a hydraulic cylinder with an upward or downward action end can be arranged, the lifting frame is directly and relatively fixed with the action end of the hydraulic cylinder, and lifting is realized along with the action of the action end of the hydraulic cylinder, of course, the hydraulic cylinder can also be replaced by an electric cylinder or an air cylinder, and the hydraulic cylinder can also be used.
In the above embodiment, the chain wheels are installed on the upper rotating shaft and the lower rotating shaft, and the chain is driven by the upper rotating shaft and the lower rotating shaft through the chain wheels to move. In other embodiments, the upper and lower rotating shafts may also be provided with sprockets, and the sprockets can drive the corresponding chains to move, which can also be used.
Claims (10)
1. The utility model provides an engineering vehicle landing leg hydro-cylinder overhead hoist, characterized by includes:
moving the frame;
the lifting mechanism comprises a lifting frame and a lifting piece, the lifting frame is movably assembled on the movable rack in a guiding mode, the lifting piece is arranged on the lifting frame and is provided with a suspension part which is suspended outside the lifting frame, the suspension part is used for being matched with a matched lifting appliance to be used for hanging the support oil cylinder, and the lifting mechanism further comprises a driving mechanism which is arranged on the movable rack and is used for driving the lifting frame to move in a guiding mode;
the supporting mechanism comprises a supporting rod and a supporting piece arranged at the end part of the supporting rod, the supporting rod moves in a reciprocating mode and is arranged on the lifting frame, so that the supporting piece can be close to and far away from the supporting leg oil cylinder when in use, the supporting piece is used for supporting the supporting leg oil cylinder in the lifting supporting leg oil cylinder process, and the supporting mechanism further comprises a locking structure for locking the lifting frame and the supporting rod when the supporting rod stops moving.
2. The overhead hoist for the support leg oil cylinders of the engineering vehicles as claimed in claim 1, wherein the hoisting member is hinged to the lifting frame, the hinge axis of the hoisting member extends horizontally, the hoisting mechanism further comprises a telescopic arm, one end of the telescopic arm is hinged to the lifting frame, and the other end of the telescopic arm is hinged to the hoisting member and is used for adjusting the included angle between the hoisting member and the horizontal plane.
3. The lifting device for the engineering vehicle landing leg oil cylinder is characterized in that a guide rail is arranged on the movable rack, a roller matched with the guide rail is arranged on the lifting frame, and the lifting frame is movably assembled on the movable rack through the matching guidance of the roller and the guide rail.
4. The overhead hoist for the engineering vehicle landing leg oil cylinder as claimed in claim 1 or 2, wherein the supporting mechanism comprises a mounting seat and a lead screw, the mounting seat is fixedly mounted on the lifting frame, the lead screw forms the supporting rod, the lead screw is in running fit with the supporting piece, a threaded hole in threaded fit with the lead screw is formed in the mounting seat, and an external thread on the lead screw and an internal thread in the threaded hole form a locking structure together.
5. The overhead hoist for the support legs of the engineering vehicle as claimed in claim 4, wherein the supporting member is in guiding fit with the mounting seat along the axial extension direction of the screw rod.
6. The overhead hoist for the support leg oil cylinder of the engineering vehicle as claimed in claim 5, wherein the supporting member is provided with a guide rod, the guide rod is arranged in parallel with the screw rod, the mounting seat is provided with a guide hole for the guide rod to pass through, and the supporting member is in guide fit with the mounting seat through the guide hole and the guide rod.
7. The overhead hoist for the support leg oil cylinder of the engineering vehicle as claimed in claim 6, wherein the linear bearing is installed in the guide hole, and the guide rod is matched with the linear bearing to realize the guide matching of the supporting member and the mounting seat.
8. The overhead hoist for the support leg oil cylinder of the engineering vehicle as claimed in claim 1 or 2, wherein the supporting member is provided with an arc-shaped notch corresponding to the support leg oil cylinder, and when in use, the arc-shaped notch is attached to the outer peripheral surface of the support leg oil cylinder to support the support leg oil cylinder.
9. The overhead hoist for the support leg oil cylinder of the engineering vehicle as claimed in claim 8, wherein a rubber pad is arranged on the abutting surface of the arc-shaped notch, which is in contact with the support leg oil cylinder.
10. The lifting device for the engineering vehicle landing leg oil cylinders as claimed in claim 1 or 2, wherein the driving mechanism comprises an upper rotating shaft rotatably assembled on the upper side of the movement area of the lifting frame and a lower rotating shaft rotatably assembled on the lower side of the movement area of the lifting frame, the upper rotating shaft and the lower rotating shaft are arranged in parallel, the upper rotating shaft and the lower rotating shaft are both provided with sprockets or chain wheels, the driving mechanism further comprises a chain matched with the sprockets or the chain wheels, the chain bypasses the upper rotating shaft and the lower rotating shaft, two ends of the chain are fixedly connected with the lifting frame respectively, and the driving mechanism further comprises a power device for driving the upper rotating shaft or the lower rotating shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026028.1A CN112707337A (en) | 2019-10-25 | 2019-10-25 | Engineering vehicle landing leg hydro-cylinder overhead hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026028.1A CN112707337A (en) | 2019-10-25 | 2019-10-25 | Engineering vehicle landing leg hydro-cylinder overhead hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112707337A true CN112707337A (en) | 2021-04-27 |
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ID=75540931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911026028.1A Pending CN112707337A (en) | 2019-10-25 | 2019-10-25 | Engineering vehicle landing leg hydro-cylinder overhead hoist |
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| Country | Link |
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| CN (1) | CN112707337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509280A (en) * | 2022-02-17 | 2022-05-17 | 徐工消防安全装备有限公司 | Engineering vehicle landing leg sinking amount detection device |
-
2019
- 2019-10-25 CN CN201911026028.1A patent/CN112707337A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509280A (en) * | 2022-02-17 | 2022-05-17 | 徐工消防安全装备有限公司 | Engineering vehicle landing leg sinking amount detection device |
| CN114509280B (en) * | 2022-02-17 | 2023-11-10 | 徐工消防安全装备有限公司 | Engineering vehicle landing leg sinking amount detection device |
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