CN108860651B - Arm lifting type vertical lifting trailer - Google Patents
Arm lifting type vertical lifting trailer Download PDFInfo
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- CN108860651B CN108860651B CN201810581178.8A CN201810581178A CN108860651B CN 108860651 B CN108860651 B CN 108860651B CN 201810581178 A CN201810581178 A CN 201810581178A CN 108860651 B CN108860651 B CN 108860651B
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000009434 installation Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/32—Ground or aircraft-carrier-deck installations for handling freight
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention provides an arm-lifting type vertical lifting trailer, which comprises an angle-adjustable chassis, a lifting mechanism, a hydraulic driving mechanism, a lifting platform and a bullet tray, wherein the lifting mechanism is slidably arranged on the chassis, the hydraulic driving mechanism, the lifting platform and the bullet tray are arranged on the lifting platform, the lower part of the lifting platform is not blocked and can directly fall to the ground, the low point is low enough, meanwhile, the vertical lifting movement of the hinged point of the lifting arm and the lifting platform can be realized through reasonably designing the sizes of the lifting arm and a pull rod, the degree of freedom is high, meanwhile, the bullet-hanging tray comprises a support component, a transverse moving component, a rotating component and a pitching component, the transverse moving component is used for realizing the sliding of the bullet tray in the support component, the 360-degree rotation of the bullet-hanging tray is realized through the rotating component, the included angle between an upper connecting plate and a horizontal plane is adjusted through the pitching component, and therefore, meanwhile, the invention is of a pure mechanical structure and has high reliability.
Description
Technical Field
The invention belongs to the technical field of missile hooking vehicle lifting, and particularly relates to an arm lifting type vertical lifting trailer.
Background
The lifting trailer is also called as a missile hooking vehicle or a top trailer, and is an automatic vehicle, one vehicle carries one missile, the missile can perform actions of lifting, descending, longitudinal movement, transverse movement, rotation, pitching, rolling and the like, various ammunitions are sent to a suspension device, and then the suspension is accurately positioned and completed. In addition, the missile hanging vehicle can also be provided with a secondary oil tank, various hanging cages and a pylon. The other 'horse carrying' almost completes more than eighty percent of the ground guarantee operation of the air force.
The prior missile hanging vehicle in the industry is divided into a shear differential type hydraulic lifting trailer and an arm lifting trailer, wherein the shear differential type hydraulic lifting trailer has the advantage of higher lifting height and has the defect that the low point is not enough due to the structural form limitation of a shear fork, so that the requirement of special industry cannot be met; the arm lifting type trailer has the advantages that the low point can meet the low point requirement of special industries, the arm lifting type trailer has the defects of insufficient freedom degree, incapability of vertical lifting and capability of meeting the lifting requirement of convenience and quickness, and the trailer body is heavy and inconvenient to operate manually.
Disclosure of Invention
The invention aims to provide an arm lifting type vertical lifting trailer which has better freedom degree while meeting the low point requirement.
In order to achieve the purpose, the invention adopts the technical scheme that: an arm-lifting type vertical lifting trailer comprises an angle-adjustable chassis, a lifting mechanism, a hydraulic driving mechanism, a lifting platform and a supporting elastic disc, wherein the lifting mechanism is slidably mounted on the chassis, the supporting elastic disc is mounted on the lifting platform, the chassis comprises a traction assembly, a front wheel assembly, a front spiral lifting mechanism, a frame and a rear wheel assembly, the front wheel assembly and the rear wheel assembly are respectively arranged at the front end and the rear end of the frame, the traction assembly for traction of the lifting trailer is arranged at the forefront of the frame, the front spiral lifting mechanism for adjusting a preset angle of the lifting trailer is arranged between the front wheel assembly and the frame, and two slide rails for mounting the lifting mechanism are arranged on the inner side of the frame;
elevating system includes the coaster, from pole, lift arm, pneumatic cylinder and pull rod, the bilateral symmetry of coaster is provided with a plurality of groups can be in the slide rail gliding pulley, install the pneumatic cylinder on the coaster, be provided with the connecting plate on the lower terminal surface of lifting the arm, the removal end of pneumatic cylinder articulates on the connecting plate, the bottom of lifting the arm articulates on the coaster, the middle part position department fixedly connected with L type pole of lifting the arm, the bottom of L type pole with lift arm fixed connection, two free ends of L type pole are respectively through one the pull rod with the chassis links to each other, the both ends of pull rod with the chassis with the pull rod
The L type pole is hinged when connected, the lifting platform is installed at the top end of the lifting arm, the lifting arm is hinged between the L type pole and the lifting arm, a slave pole used for enabling the lifting platform to be always kept horizontal is arranged on two sides of the lifting arm respectively, the bottom end of the slave pole is hinged on the pulley, and the top end of the slave pole is hinged with the lifting platform;
the hydraulic driving mechanism is connected with the hydraulic cylinder and is used for driving the hydraulic cylinder to act;
the supporting assembly comprises two supporting arms arranged in parallel and two sliding plates arranged in parallel, the two supporting arms and the two sliding plates are sequentially connected end to form a frame-shaped structure, the traversing assembly is positioned on the inner side of the frame-shaped structure, and sliding grooves for sliding the traversing assembly are correspondingly formed in the two sliding plates; the transverse moving assembly comprises a lead screw, a lead screw nut, a sliding bottom frame and a rotating handle, the sliding bottom frame is arranged between two supporting arms, a plurality of groups of sliding mechanisms which can slide on a sliding groove are arranged on two side walls of the sliding bottom frame, which are opposite to the sliding plate, the lead screw penetrates through one of the supporting arms, one end of the lead screw, which is far away from the sliding bottom frame, is connected with the rotating handle, one end of the lead screw, which is close to the sliding bottom frame, penetrates through the side walls of the sliding bottom frame, the sliding bottom frame is embedded with the lead screw nut at the connection part of the sliding bottom frame and the lead screw, the lead screw nut is sleeved on the lead screw, and the sliding bottom frame can be driven to slide on the sliding groove by twisting the rotating; the rotary component comprises a turntable bearing, the turntable bearing is installed at the top end of the sliding bottom frame, and the pitching component is installed on the turntable bearing; the pitching assembly comprises an upper connecting plate, a central rotating shaft, a trapezoidal nut, a left-handed trapezoidal screw, a right-handed trapezoidal screw and a rotating base, wherein an ear plate is arranged on the lower end face of the upper connecting plate, the top end of the rotating base is hinged on the ear plate through the central rotating shaft, the bottom end of the rotating base is installed on a turntable bearing, the right-handed trapezoidal screw is hinged on the rotating base, the left-handed trapezoidal screw is hinged on the lower end face of the upper connecting plate and is positioned right above the right-handed trapezoidal screw, the trapezoidal nut is sleeved on the left-handed trapezoidal screw and the right-handed trapezoidal screw together, the left-handed thread matched with the left-handed trapezoidal screw is arranged on the inner wall of the top end of the trapezoidal nut, the right-handed thread matched with the right-handed trapezoidal screw is arranged on the inner wall of the bottom end of the trapezoidal nut, and the included angle between, and a plurality of adjusting rods are uniformly arranged on the outer wall of the trapezoidal nut along the circumferential direction.
Furthermore, the hydraulic driving mechanism comprises an oil tank, an oil absorption filter, a manual pump, a one-way valve, an explosion-proof valve, a one-way throttle valve, a liquid level meter and an air filter, wherein the liquid level meter is arranged in the oil tank, an oil outlet of the oil tank is communicated with an oil inlet of the hydraulic cylinder through a hydraulic connecting pipeline, the oil absorption filter, the manual pump, the one-way valve and the explosion-proof valve are sequentially arranged on the hydraulic connecting pipeline between the oil outlet of the oil tank and the oil inlet of the hydraulic cylinder, the oil outlet of the hydraulic cylinder is communicated with an oil return port of the oil tank through a hydraulic connecting pipeline, and the one-way throttle valve and the air filter are sequentially arranged on the hydraulic connecting pipeline between the oil outlet of the hydraulic cylinder and the;
further, the front spiral lifting mechanism comprises a lifting shaft, a tapered roller bearing, a ratchet wrench, a rotating nut, a rotating shaft, a traction shaft and an annular ring, the tapered roller bearing is sleeved at the top end of the lifting shaft, the outer ring of the tapered roller bearing is connected with the frame, the bottom end of the lifting shaft is in threaded connection with a rotating nut, the annular ring is arranged on the outer side of the rotating nut and is fixedly connected with the rotating nut through a rotating shaft, the rotating shaft is in threaded connection with the outer wall of the rotating nut, the outer wall of the annular ring is provided with a front wheel assembly and a traction shaft for mounting a traction assembly, the top of the lifting shaft is provided with an installation groove along the axial direction and the ratchet wrench is installed in the installation groove, the height between the frame and the front wheel assembly is adjusted by rotating the ratchet wrench, so that the preset angle of the trailer is adjusted.
Furthermore, slide mechanism is provided with two sets ofly, slide mechanism includes stopper I, follower bearing and stopper II, stopper I with stopper II symmetries set up the both sides at the follower bearing.
Further, the hinge point of the slave rod and the lifting platform is located above the hinge point of the lifting arm and the lifting platform.
Further, the pulley is arranged at the opposite front end of the chassis, and the pull rod is arranged at the opposite rear end of the chassis.
Further, the pulleys are provided with two groups.
Compared with the prior art, the invention has the following beneficial effects:
1. the lifting platform is free of any stop below and can directly fall to the ground, the low point is low enough, meanwhile, the vertical lifting motion of the hinged point of the lifting arm and the lifting platform can be realized through reasonably designing the sizes of the lifting arm and the pull rod, the degree of freedom is high, in addition, in the lifting process of the lifting mechanism, the pulley, the lifting arm, the slave rod and the lifting platform form a parallelogram mechanism, and the lifting platform is ensured to be always kept horizontal to the ground in the lifting process.
2. The lifting trailer comprises a supporting assembly, and a transverse moving assembly, a rotating assembly and a pitching assembly which are arranged on the inner side of the supporting assembly, the supporting assembly is used for enabling the pellet tray to slide in the supporting assembly, the rotating assembly is used for enabling the pellet hanging tray to rotate for 360 degrees, and the pitching assembly is used for adjusting the included angle between the upper connecting plate and the horizontal plane, so that the lifting trailer has good degree of freedom.
3. The hydraulic driving mechanism of the trailer is arranged on the frame, so that the space of the whole trailer is saved, the axle distance is reduced, the turning radius of the vehicle is indirectly reduced, and the flexibility of the vehicle is increased; and the handle of the ratchet wrench is adjusted clockwise and anticlockwise to finish the adjustment of the pitching and pitching postures of the trailer lifting chassis, so that the product on the trailer lifting chassis is parallel to the axis direction of the launching frame when being hung, and the hanging efficiency of the product on the trailer lifting is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a base pan according to the present invention;
FIG. 3 is a schematic view of the construction of the lifting mechanism of the present invention;
FIG. 4 is a schematic view of the hydraulic drive mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the tray according to the present invention;
FIG. 6 is a schematic structural view of a support assembly of the present invention;
FIG. 7 is a schematic view of the connection of the support assembly to the traversing assembly of the present invention;
FIG. 8 is a schematic view of the connection of the traversing assembly to the revolving assembly according to the present invention;
FIG. 9 is a schematic view of the construction of the pitch assembly of the present invention;
FIG. 10 is a schematic view showing the connection relationship between the trapezoidal nut, the left-handed trapezoidal screw and the right-handed trapezoidal screw according to the present invention;
FIG. 11 is a schematic view of the construction of the screw elevating mechanism of the present invention;
the labels in the figure are: 1. a pellet plate, 2, a lifting mechanism, 3, a hydraulic driving mechanism, 4, a traction assembly, 5, a front wheel assembly, 6, a front screw lifting mechanism, 601, a lifting shaft, 602, a tapered roller bearing, 603, a ratchet wrench, 604, a rotation nut, 605, a rotation shaft, 606, a traction shaft, 607, an annular ring, 7, a carriage, 8, a rear wheel assembly, 11, a pull rod, 12, a lifting platform, 13, a tackle, 14, a slave rod, 15, a lifting arm, 16, a hydraulic cylinder, 17, a chassis, 18, a L-shaped rod, 19, a pulley, 20, a slide rail, 21, an oil absorption filter, 22, a manual pump, 23, a check valve, 24, an explosion-proof valve, 25, a check throttle valve, 26, a liquid level meter, 27, an air cleaner, 28, an oil tank, 31, a support assembly, 3101, a support arm, 3102, a slide plate, 3103, a chute, 32, a traverse assembly, 3201, a lead screw, 3202, a lead screw nut, 3203, the underframe that slides, 3204, twist grip, 3205, stopper I, 3206, follow-up bearing, 3207, stopper II, 33, gyration subassembly, 3301, slewing bearing, 34, every single move subassembly, 3401, go up the fishplate bar, 3402, central rotation axis, 3403, trapezoidal nut, 3404, the trapezoidal screw rod of levogyration, 3405, the trapezoidal screw rod of dextrorotation, 3406, rotating base, 3407, otic placode, 3408, adjust the pole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.
An arm-lifting type vertical lifting trailer comprises a chassis 17 with an adjustable angle, a lifting mechanism 2 slidably mounted on the chassis, a hydraulic driving mechanism 3, a lifting platform 12 and a bullet tray 1 mounted on the lifting platform, as shown in fig. 1, wherein the chassis 17 comprises a traction assembly 4, a front wheel assembly 5, a front spiral lifting mechanism 6, a frame 7 and a rear wheel assembly 8, the front wheel assembly 5 and the rear wheel assembly 8 are respectively arranged at the front end and the rear end of the frame 7, the traction assembly 4 for traction lifting the trailer is arranged at the forefront of the frame 7, a front spiral lifting mechanism 6 for adjusting a preset angle of the lifting trailer is arranged between the front wheel assembly 5 and the frame 7, and two slide rails 20 for mounting the lifting mechanism 2 are arranged on the inner side of the frame;
as shown in fig. 3, the lifting mechanism 2 includes a pulley 13, a slave rod 14, a lifting arm 15, a hydraulic cylinder 16 and a pull rod 11, wherein two sets of pulleys 19 capable of sliding in a sliding rail are symmetrically arranged on two sides of the pulley 13, the pulleys 19 are provided with two sets, and meanwhile, in order to achieve better stability, a slider can be arranged between the two pulleys, the height of the slider is slightly smaller than the diameter of the pulley, in addition, in the embodiment, the design of the roller adopts a conical structure, and tapered roller bearings are selected for the bearings and are used back to back in pairs. The installation design adjusting shim of gyro wheel is used for adjusting gyro wheel and slide clearance. The locking nut is a finished BNRS20 type nut, and the locking effect of the locking nut is superior to that of a double nut. The slide adopts the structural style of taking certain tapering, with the gyro wheel cooperation, makes the coaster can rely on self gravity to realize directional removal, avoids the coaster jamming. The tackle is a basic force bearing part of the lifting mechanism and is formed by welding rectangular steel pipes with the size of 80 multiplied by 60 multiplied by 5mm and steel plates, and the external dimension (length multiplied by width multiplied by height): 790mm X590 mm X195 mm, having a self-weight of 60 kg. At the position of connecting the hydraulic cylinder and the rotating shaft of the lifting arm, the structure is reinforced by repair welding steel plates, and the bearing capacity of the structure is improved. Two pairs of steel rollers are designed on two sides of the pulley and can freely move in a sliding groove of the frame, and when the pulley is welded, other parts except four roller shafts are welded into a whole. After the welding stress is fully released, the matching holes are clamped out once, and the coaxiality requirement of the holes is guaranteed. And finally, welding the roller shaft, and ensuring the coaxiality requirement of the roller shaft through the matching of the shaft holes. The lifting arm is formed by welding square steel pipes (60mm multiplied by 90mm multiplied by 5mm) and steel plates, and has the external dimensions (length multiplied by width multiplied by height): 1470mm × 420mm × 265mm and 74kg of self weight, the root part design rotating shaft is connected with the pulley, the lifting arm main body is two longitudinal square steel pipes, in order to enhance the integral rigidity and strength of the cantilever beam, the strength and the rigidity of the main stress direction are improved by welding steel plates on the upper surface and the lower surface, meanwhile, the torsional rigidity is improved by welding three square steel pipes transversely, and the design requirements are ensured by welding post-processing such as matching dimension of the appearance and matching shaft holes. Install pneumatic cylinder 16 on the coaster 13, be provided with connecting plate 151 on the lower terminal surface of lift arm 15, the removal end of pneumatic cylinder 16 articulates on connecting plate 1501, the bottom of lift arm 15 articulates on coaster 13, the middle position department fixedly connected with of lift arm 15 + -type pole 18, the bottom of + -type pole 18 with lift arm 15 fixed connection, two free ends of + -type pole 18 respectively through one pull rod 11 with chassis 17 links to each other, the both ends of pull rod 11 with chassis 17 with when connecting with + -type pole 18 all adopt the hinge, the lift platform 12 is installed the top of lift arm 15 and adopt the hinge between the two, the both sides of lift arm 15 are provided with one respectively and are used for making the lift platform 12 remain the level from pole 14 all the time, articulate from the bottom of pole 14 on coaster 13, the top end of the slave rod 14 is hinged with the lifting platform 12; the follow pole 14 with the pin joint of lifting platform 12 is located lift arm 15 with the top of the pin joint of lifting platform 12, coaster 13 sets up the relative front end of chassis 17, pull rod 11 sets up the relative rear end of chassis 17, coaster 13 are this lifting mechanism's load basis, can freely move in the slide rail that sets up on lifting trailer chassis 17, coaster 13, pneumatic cylinder 16 and lift arm 15 articulate in proper order, form firm triangle-shaped at the root and support, and the one end of pull rod 11 is connected on chassis 17 through the pivot, and the other end is articulated with lifting arm 15 middle part. When the hydraulic cylinder 16 makes a telescopic motion under the power action of the hydraulic system, the lifting arm 15 is driven to make a pitching motion. Simultaneously, under the action of the pull rod 11, the trolley 13 moves back and forth on the track together with the lifting arm 15. Through the size of rational design lift arm 15 and pull rod 11, can realize lifting arm 15 and lifting platform 12 pin joint's vertical lift motion. In the lifting process of the lifting mechanism, the pulley 13, the lifting arm 15, the slave rod 11 and the lifting platform 12 form a parallelogram mechanism, so that the lifting platform 12 is always kept horizontal with the ground in the lifting process.
The hydraulic driving mechanism 3 is connected with the hydraulic cylinder 16 and is used for driving the hydraulic cylinder 16 to act; as shown in fig. 4, the hydraulic driving mechanism 3 includes an oil tank 28, an oil suction filter 21, a manual pump 22, a check valve 23, an explosion-proof valve 24, a check throttle valve 25, a level meter 26 and an air cleaner 27, the oil tank 28 is internally provided with the level meter 26, an oil outlet of the oil tank 28 is communicated with an oil inlet of the hydraulic cylinder 16 through a hydraulic connecting pipeline, the oil suction filter 21, the manual pump 22, the check valve 23 and the explosion-proof valve 24 are sequentially arranged on the hydraulic connecting pipeline between the oil outlet of the oil tank 28 and the oil inlet of the hydraulic cylinder 16, the oil outlet of the hydraulic cylinder 16 is communicated with an oil return port of the oil tank 28 through a hydraulic connecting pipeline, and the check throttle valve 25 and the air cleaner 27 are sequentially arranged on the hydraulic connecting pipeline between the oil outlet of the hydraulic cylinder 16 and the oil return port of the oil tank;
as shown in fig. 5, the pallet 1 includes a support assembly 31, and a traverse assembly 32, a rotation assembly 33 and a pitch assembly 34 which are arranged inside the support assembly 31, as shown in fig. 6 to 8, the support assembly 31 includes two support arms 3101 which are arranged in parallel and two sliding plates 3102 which are arranged in parallel, the two support arms 3101 and the two sliding plates 3102 are sequentially connected end to end and then enclose a frame-shaped structure, the traverse assembly 32 is located inside the frame-shaped structure, and sliding grooves 3103 for the traverse assembly 32 to slide are correspondingly arranged on the two sliding plates 3102; the traverse motion assembly 32 comprises a lead screw 3201, a lead screw nut 3202, a sliding bottom frame 3203 and a rotating handle 3204, the sliding bottom frame 3203 is arranged between two supporting arms 3101, the sliding bottom frame 3203 is provided with a plurality of groups of sliding mechanisms which can slide on the sliding groove 3103 on two side walls facing the sliding plate 3102, the sliding mechanisms are provided with two groups, each sliding mechanism comprises a limiting block I3205, a follow-up bearing 3206 and a limiting block II 3207, and the limiting blocks I3205 and the limiting blocks II 3207 are symmetrically arranged on two sides of the follow-up bearing 3206. The lead screw 3201 is arranged in one of the support arms 3101 in a penetrating manner, one end of the lead screw 3201 far away from the sliding bottom frame 3203 is connected with a rotating handle 3204, one end of the lead screw 3201 close to the sliding bottom frame 3203 penetrates through the side wall of the sliding bottom frame 3203, a lead screw nut 3202 is embedded at the joint of the sliding bottom frame 3203 and the lead screw 3201, the lead screw nut 3202 is sleeved on the lead screw 3201, and the sliding bottom frame 3203 can be driven to slide on the sliding chute 3103 by twisting the rotating handle 3204; the rotating assembly 33 comprises a turntable bearing 3301, the turntable bearing 3301 is mounted at the top end of the sliding bottom frame 3203, and the pitching assembly 34 is mounted on the turntable bearing 3301, so that the function of rotating 360 degrees can be realized; as shown in fig. 9, the pitching assembly 34 includes an upper connecting plate 3401, a central rotating shaft 3402, a trapezoidal nut 3403, a left-handed trapezoidal screw 3404, a right-handed trapezoidal screw 3405, and a rotating base 3406, wherein an ear plate 3407 is provided on a lower end surface of the upper connecting plate 3401, a top end of the rotating base 3406 is hinged on the ear plate 3407 through the central rotating shaft 3402, a bottom end of the rotating base 3406 is installed on a turntable bearing 3301, the rotating base 3406 is hinged with the right-handed trapezoidal screw 3405, the lower end surface of the upper connecting plate 3401 is hinged with the left-handed trapezoidal screw 3404, as shown in fig. 10, the left-handed trapezoidal screw 3404 is located right above the right-handed trapezoidal screw 3405, the left-handed trapezoidal screw 3404 and the right-handed trapezoidal screw 3405 are sleeved with the trapezoidal nut 3403 together, a left-handed thread matched with the left-handed trapezoidal screw 3404 is provided on an inner wall of a, be provided with on trapezoidal nut 3403's the bottom inner wall with dextrorotation trapezoidal screw 3405 assorted right-handed screw, adjust the contained angle of upper transfer plate 3401 and horizontal plane through rotating trapezoidal nut 3403, the every single move subassembly mainly is used for realizing 3 every single move angle, further optimizes this scheme, evenly be provided with a plurality of along circumference on trapezoidal nut 3403's the outer wall and adjust pole 3408.
As shown in fig. 11, the front screw lifting mechanism 6 includes a lifting shaft 601, a tapered roller bearing 602, a ratchet wrench 603, a rotating nut 604, a rotating shaft 605, a pulling shaft 606 and an annular ring 607, the tapered roller bearing 602 is sleeved on the top end of the lifting shaft 601, an outer ring of the tapered roller bearing 602 is connected to the frame 7, the bottom end of the lifting shaft 601 is connected to the rotating nut 604 in a threaded manner, the annular ring 607 is disposed outside the rotating nut 604 and fixedly connected to the rotating nut 604 through the rotating shaft 605, the rotating shaft 605 is connected to the outer wall of the rotating nut 604 in a threaded manner, the outer wall of the annular ring 607 is provided with a front wheel assembly 5 and a pulling shaft 606 for installing a pulling assembly 4, the top of the lifting shaft 601 is provided with an installation groove along the axial direction and the ratchet wrench 603 is installed in the installation groove, the adjustment of the trailer lifting preset angle is achieved by adjusting the height between the frame 7 and the front wheel assembly 5 by turning the ratchet wrench 603.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a trailer is lifted to formula vertical lift of arm, includes chassis, the elevating system of slidable mounting on the chassis of the adjustable formula of angle, hydraulic drive mechanism, lift the platform and install the tray of popping on lifting the platform, its characterized in that: the chassis comprises a traction assembly, a front wheel assembly, a front spiral lifting mechanism, a frame and a rear wheel assembly, wherein the front wheel assembly and the rear wheel assembly are respectively arranged at the front end and the rear end of the frame;
the lifting mechanism comprises a pulley, a slave rod, a lifting arm, a hydraulic cylinder and a pull rod, wherein a plurality of groups of pulleys capable of sliding in a sliding rail are symmetrically arranged on two sides of the pulley, the hydraulic cylinder is installed on the pulley, a connecting plate is arranged on the lower end face of the lifting arm, the moving end of the hydraulic cylinder is hinged on the connecting plate, the bottom end of the lifting arm is hinged on the pulley, a L-shaped rod is fixedly connected at the middle position of the lifting arm, the bottom end of the L-shaped rod is fixedly connected with the lifting arm, two free ends of the L-shaped rod are respectively connected with the chassis through the pull rod, two ends of the pull rod are hinged when being connected with the chassis and the L-shaped rod, the lifting platform is installed at the top end of the lifting arm and hinged between the two, two sides of the lifting arm are respectively provided with a slave rod for enabling the lifting platform to be always kept horizontal, the bottom end of the slave rod is hinged to the pulley, and the top end of the slave rod is hinged to the lifting platform;
the hydraulic driving mechanism is connected with the hydraulic cylinder and is used for driving the hydraulic cylinder to act;
the supporting assembly comprises two supporting arms arranged in parallel and two sliding plates arranged in parallel, the two supporting arms and the two sliding plates are sequentially connected end to form a frame-shaped structure, the traversing assembly is positioned on the inner side of the frame-shaped structure, and sliding grooves for sliding the traversing assembly are correspondingly formed in the two sliding plates; the transverse moving assembly comprises a lead screw, a lead screw nut, a sliding bottom frame and a rotating handle, the sliding bottom frame is arranged between two supporting arms, a plurality of groups of sliding mechanisms which can slide on a sliding groove are arranged on two side walls of the sliding bottom frame, which are opposite to the sliding plate, the lead screw penetrates through one of the supporting arms, one end of the lead screw, which is far away from the sliding bottom frame, is connected with the rotating handle, one end of the lead screw, which is close to the sliding bottom frame, penetrates through the side walls of the sliding bottom frame, the sliding bottom frame is embedded with the lead screw nut at the connection part of the sliding bottom frame and the lead screw, the lead screw nut is sleeved on the lead screw, and the sliding bottom frame can be driven to slide on the sliding groove by twisting the rotating; the rotary component comprises a turntable bearing, the turntable bearing is installed at the top end of the sliding bottom frame, and the pitching component is installed on the turntable bearing; the pitching assembly comprises an upper connecting plate, a central rotating shaft, a trapezoidal nut, a left-handed trapezoidal screw, a right-handed trapezoidal screw and a rotating base, wherein an ear plate is arranged on the lower end face of the upper connecting plate, the top end of the rotating base is hinged on the ear plate through the central rotating shaft, the bottom end of the rotating base is installed on a turntable bearing, the right-handed trapezoidal screw is hinged on the rotating base, the left-handed trapezoidal screw is hinged on the lower end face of the upper connecting plate and is positioned right above the right-handed trapezoidal screw, the trapezoidal nut is sleeved on the left-handed trapezoidal screw and the right-handed trapezoidal screw together, the left-handed thread matched with the left-handed trapezoidal screw is arranged on the inner wall of the top end of the trapezoidal nut, the right-handed thread matched with the right-handed trapezoidal screw is arranged on the inner wall of the bottom end of the trapezoidal nut, and the included angle between, and a plurality of adjusting rods are uniformly arranged on the outer wall of the trapezoidal nut along the circumferential direction.
2. An arm-lift vertical lift trailer as claimed in claim 1 wherein: the hydraulic driving mechanism comprises an oil tank, an oil absorption filter, a hand pump, a one-way valve, an explosion-proof valve, a one-way throttle valve, a liquid level meter and an air filter, wherein the liquid level meter is arranged in the oil tank, an oil outlet of the oil tank is communicated with an oil inlet of the hydraulic cylinder through a hydraulic connecting pipeline and is positioned between the oil outlet of the oil tank and the oil inlet of the hydraulic cylinder, the oil absorption filter, the hand pump, the one-way valve and the explosion-proof valve are sequentially arranged on the hydraulic connecting pipeline, the oil outlet of the hydraulic cylinder is communicated with an oil return port of the oil tank through the hydraulic connecting pipeline and is positioned between the oil outlet of the hydraulic cylinder and the oil return port of the oil tank, and the one-.
3. An arm-lift vertical lift trailer as claimed in claim 1 wherein: the front spiral lifting mechanism comprises a lifting shaft, a tapered roller bearing, a ratchet wrench, a rotating nut, a rotating shaft, a traction shaft and an annular ring, the tapered roller bearing is sleeved at the top end of the lifting shaft, the outer ring of the tapered roller bearing is connected with the frame, the bottom end of the lifting shaft is in threaded connection with a rotating nut, the annular ring is arranged on the outer side of the rotating nut and is fixedly connected with the rotating nut through a rotating shaft, the rotating shaft is in threaded connection with the outer wall of the rotating nut, the outer wall of the annular ring is provided with a front wheel assembly and a traction shaft for mounting a traction assembly, the top of the lifting shaft is provided with an installation groove along the axial direction and the ratchet wrench is installed in the installation groove, the height between the frame and the front wheel assembly is adjusted by rotating the ratchet wrench, so that the preset angle of the trailer is adjusted.
4. An arm-lift vertical lift trailer as claimed in claim 1 wherein: the sliding mechanism is provided with two sets of, sliding mechanism includes stopper I, follow-up bearing and stopper II, stopper I with II symmetries of stopper set up the both sides at follow-up bearing.
5. An arm-lift vertical lift trailer as claimed in claim 1 wherein: the hinge point of the slave rod and the lifting platform is positioned above the hinge point of the lifting arm and the lifting platform.
6. An arm-lift vertical lift trailer as claimed in claim 1 wherein: the pulley is arranged at the opposite front end of the chassis, and the pull rod is arranged at the opposite rear end of the chassis.
7. An arm-lift vertical lift trailer as claimed in claim 1 wherein: the pulleys are provided with two groups.
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| CN201810581178.8A CN108860651B (en) | 2018-06-07 | 2018-06-07 | Arm lifting type vertical lifting trailer |
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| CN201810581178.8A CN108860651B (en) | 2018-06-07 | 2018-06-07 | Arm lifting type vertical lifting trailer |
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| CN108860651A CN108860651A (en) | 2018-11-23 |
| CN108860651B true CN108860651B (en) | 2020-04-28 |
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