CN110789894B - Stacker with high bearing capacity and transportation method - Google Patents

Stacker with high bearing capacity and transportation method Download PDF

Info

Publication number
CN110789894B
CN110789894B CN201911045100.5A CN201911045100A CN110789894B CN 110789894 B CN110789894 B CN 110789894B CN 201911045100 A CN201911045100 A CN 201911045100A CN 110789894 B CN110789894 B CN 110789894B
Authority
CN
China
Prior art keywords
assembly
power assembly
linear motion
vertical
fixedly connected
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.)
Expired - Fee Related
Application number
CN201911045100.5A
Other languages
Chinese (zh)
Other versions
CN110789894A (en
Inventor
陶俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinken College Of Technology
Original Assignee
Jinken College Of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinken College Of Technology filed Critical Jinken College Of Technology
Priority to CN201911045100.5A priority Critical patent/CN110789894B/en
Publication of CN110789894A publication Critical patent/CN110789894A/en
Application granted granted Critical
Publication of CN110789894B publication Critical patent/CN110789894B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02Storage devices
    • B65G1/04Storage devices mechanical
    • B65G1/0407Storage devices mechanical using stacker cranes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

The invention discloses a stacker with high bearing capacity and a transportation method, belonging to the field of storage equipment, wherein the stacker with high bearing capacity comprises: the vertical column is at least one, the vertical column makes transverse linear motion between the lower rail and the upper rail, the telescopic fork makes vertical linear motion on one side of the vertical column, one end of the transverse power assembly is fixedly connected with the middle position of the other side of the vertical column, the transverse power assembly and the telescopic fork are respectively positioned on two sides of the vertical column, one end of the transverse power assembly is fixedly connected with the middle position of the bottom end of the telescopic fork, and the transverse power assembly and the vertical power assembly are in rigid transmission; according to the stacker, the transverse power assembly and the vertical power assembly respectively perform rigid transmission at the middle positions of the upright post and the telescopic fork, so that the stacker can carry out heavy object transportation work under high load, the probability of deviation in the working process is reduced, and the service life is prolonged.

Description

Stacker with high bearing capacity and transportation method
Technical Field
The invention relates to the field of storage equipment, in particular to a stacker with high bearing capacity and a transportation method.
Background
The stacker is used as basic equipment of an automatic stereoscopic warehouse to transport, store in and take goods out of the warehouse, but the conventional stacker realizes long-distance linear motion of the stacker by using flexible connection of a chain and sprocket assembly and a belt wheel assembly.
First, the flexible links such as the chain sprocket assembly and the pulley assembly have a low load capacity and are not suitable for transporting heavy objects with high loads.
Then a common point of the transmission modes of the chain sprocket assembly and the belt wheel assembly is that active force can be only applied to one side of the upright post and one side of the telescopic fork of the stacker, the other sides of the upright post and the telescopic fork slide under the action of passive force, and the upright post and the telescopic fork deviate towards one side of the passive sliding under the action of the single side of the force during linear motion, so that the damage is easy to occur, and particularly, the one side of the passive sliding can deviate even to cause rigid friction when a heavy object is borne, thereby causing the problem of low service life.
Disclosure of Invention
The purpose of the invention is as follows: a stacker with high bearing capacity and a transportation method thereof are provided to solve the problems in the prior art.
The technical scheme is as follows: a high capacity stacker comprising: the vertical column, the lower rail, the upper rail, the telescopic fork, the transverse power assembly and the vertical power assembly.
The upright post is connected with the lower rail and the upper rail in a sliding manner, and the upright post performs transverse linear motion between the lower rail and the upper rail.
The telescopic fork is connected with one side of the upright column in a sliding mode, and the telescopic fork moves vertically and linearly on one side of the upright column.
The horizontal power assembly is characterized in that one end of the horizontal power assembly is fixedly connected with the middle position of the other side of the upright column, the other end of the horizontal power assembly is fixedly connected with the end faces of the lower rail and the upper rail, the horizontal power assembly and the telescopic fork are respectively positioned on two sides of the upright column, and the horizontal power assembly applies force to the upright column, wherein the force is the same as the extending direction of the lower rail.
The one end and the stand fixed connection of vertical power component, other end fixed connection are in the bottom intermediate position of flexible fork, vertical power component applys the power the same with the extending direction of stand to flexible fork.
And the transverse power assembly and the vertical power assembly are in rigid transmission.
In a further embodiment, the stand has two, two stand top fixedly connected with roofs, bottom fixedly connected with bottom plate, flexible fork and vertical power component are all installed between two stands, vertical power component and bottom plate fixed connection carry on spacingly to flexible fork and vertical power component through two stands, share the pressure of both sides for flexible fork and vertical power component, avoid flexible fork to take place to bend partially.
In a further embodiment, sliding connection is carried out between roof and the last track, between bottom plate and the lower track to and between flexible fork and the stand through first guide rail set spare, leads the horizontal linear motion and the vertical linear motion of stand and flexible fork through first guide rail set spare, avoids stand and last track and lower track to take place the rigidity friction, and flexible fork takes place the rigidity friction with the stand, improves the life of stacker.
In a further embodiment, the vertical power assembly comprises a scissor type lifting assembly and a first linear motion mechanism, the scissor type lifting assembly is respectively connected with the bottom plate and the telescopic fork in a sliding mode through a second guide rail assembly, the scissor type lifting assembly comprises a plurality of first support rods, every two of the first support rods are hinged to form a line shape, the first linear motion mechanism is fixedly connected with the scissor type lifting assembly and the bottom plate, linear motion of the first linear motion mechanism is changed into angular displacement of the first support rods through the scissor type lifting assembly, transverse displacement caused by the angular displacement of the first support rods is eliminated through the second guide rail assembly, only vertical displacement is reserved, the telescopic fork is made to do linear motion along the extending direction of the upright column, and the stroke of the first linear motion mechanism is amplified through superposition of the angular displacement of the plurality of first support rods.
In a further embodiment, the first linear motion mechanism is a first hydraulic cylinder fixed at the middle position of the bottom plate, the cylinder body of the first hydraulic cylinder is fixedly connected with the bottom plate, the telescopic rod of the first hydraulic cylinder is fixedly connected with the middle cross point of the first supporting rod, the motion direction of the second hydraulic cylinder is the same as the extension direction of the upright column, and because the angular displacement of the first supporting rod is performed around the middle cross point, the telescopic rod of the first hydraulic cylinder is fixedly connected with the middle cross point of the first supporting rod, and then the first hydraulic cylinder is fixed at the middle position of the bottom plate, the stress points of the scissor type lifting assembly can be guaranteed to be uniformly distributed around the gravity centers of the bottom plate and the telescopic fork, so that the telescopic fork is prevented from shifting when moving linearly in the vertical direction and generating rigid friction with the upright.
In a further embodiment, the first linear motion mechanism is a first ball screw mechanism, a screw of the first ball screw mechanism has a forward screw portion and a reverse screw portion having the same stroke, and the connecting position of the positive thread part and the reverse thread part is positioned at the middle position of the bottom plate, the positive thread part and the reverse thread part are respectively provided with ball nuts matched with the positive thread part and the reverse thread part, the ball nuts are respectively and fixedly connected with two first supporting rods which are mutually crossed, the central axis direction of a screw rod of the first ball screw mechanism is vertical to the extending direction of the upright post, two first support rods which are mutually crossed are simultaneously moved to the connecting position of the positive thread part and the reverse thread part through a first ball screw mechanism, thereby reach and guarantee to cut formula lifting unit's stress point evenly distributed around bottom plate and flexible fork focus, take place the skew and produce the rigidity friction when avoiding flexible fork to do vertical linear motion.
Compared with the embodiment using the first hydraulic cylinder and the embodiment using the first ball screw mechanism as the first linear motion mechanism, the embodiment using the first hydraulic cylinder has the advantages of simple structure, convenience in assembly and short production period, and the initial height of the first ball screw mechanism is lower than that of the embodiment using the first hydraulic cylinder, so that goods do not need to be lifted up for using the stacker.
In a further embodiment, the end surfaces of the two ends of the lower rail and the upper rail are fixedly connected through a vertical plate, the transverse power assembly comprises a shear type push-pull assembly and a second linear motion mechanism, the shear type push-pull assembly is respectively connected with the vertical plate and the vertical column in a sliding mode, the shear type push-pull assembly comprises a plurality of second support rods, every two of the second support rods are hinged to form a yao-shaped figure, and the second linear motion mechanism is fixedly connected with the shear type push-pull assembly and the vertical plate. The linear motion of the second linear motion mechanism is changed into the angular displacement of the second supporting rod through the shear type push-pull assembly, the vertical displacement caused by the angular displacement of the second supporting rod is eliminated through the third guide rail assembly, only the transverse displacement is reserved, therefore, the telescopic fork is made to do linear motion along the extending direction of the lower rail, and the stroke of the second linear motion mechanism is amplified through the superposition of the angular displacement of the second supporting rods.
In a further embodiment, the second linear motion mechanism is a second hydraulic cylinder fixed at the middle position of the vertical plate, the cylinder body of the second hydraulic cylinder is fixedly connected with the vertical plate, the telescopic rod of the second hydraulic cylinder is fixedly connected with the middle cross point of the second supporting rod, the motion direction of the second hydraulic cylinder is the same as the extension direction of the lower rail, and the angular displacement of the second supporting rod is performed around the middle cross point, so that the telescopic rod of the second hydraulic cylinder is fixedly connected with the middle cross point of the second supporting rod, and then the first hydraulic cylinder is fixed at the middle position of the vertical plate, so that the stress points of the scissor type lifting assembly are uniformly distributed at the central positions of the vertical plate and the stress surface of the upright column, and the upright column is prevented from shifting during transverse linear motion and generating rigid friction with the upper rail and the lower rail.
In a further embodiment, the second linear motion mechanism is a second ball screw mechanism, a screw rod of the second ball screw mechanism has a forward thread part and a reverse thread part with the same stroke, the joint position of the forward thread part and the reverse thread part is located at the middle position of the bottom plate, ball nuts matched with the forward thread part and the reverse thread part are respectively installed on the forward thread part and the reverse thread part, the ball nuts are respectively and fixedly connected with two second support rods which are mutually crossed, and the central axis direction of the screw rod of the second ball screw mechanism is perpendicular to the extending direction of the lower rail.
The second ball screw mechanism enables the two second support rods which are mutually crossed to move towards the connecting position of the positive thread part and the reverse thread part simultaneously, so that stress points of the shear type lifting assembly are guaranteed to be uniformly distributed around the gravity center positions of the vertical plate and the stress surface of the stand column, and the stand column is prevented from shifting to generate rigid friction when doing transverse linear motion.
A transporting method of a stacker with high bearing capacity comprises the first step of enabling the distance between first supporting rods of a scissor type lifting assembly to be reduced to the minimum through a first linear motion mechanism, enabling a telescopic fork to return to an original point, enabling the distance between second supporting rods of the scissor type push-pull assembly to be reduced to the minimum through a second linear motion mechanism, and enabling an upright post to return to the original point.
And secondly, after the goods are obtained through the telescopic fork, the second linear motion mechanism is started to amplify the working stroke of the second linear motion mechanism through the shear type push-pull assembly, and then the stand column is pushed to move to a preset position.
And thirdly, after the upright post moves to a preset position, starting the first linear motion mechanism, amplifying the working stroke of the first linear motion mechanism through the scissor type lifting assembly, and pushing the telescopic fork to move to the preset position.
And fourthly, placing the goods at a preset position through the telescopic fork, and then repeating the first step to reset the telescopic fork and the upright post.
When the first linear motion mechanism and the second linear motion mechanism do linear motion, each first supporting rod and each second supporting rod of the scissor type lifting assembly and each first supporting rod and each second supporting rod of the scissor type push-pull assembly are enabled to perform angular displacement around a central cross point, only vertical displacement is reserved for transverse displacement generated when the angular displacement of the first supporting rods is eliminated through the second guide rail assembly, only transverse displacement is reserved for vertical displacement generated when the angular displacement of the second supporting rods is eliminated through the third guide rail assembly, then the strokes of the first linear motion mechanism and the second linear motion mechanism are amplified through superposition of the angular displacements of the first supporting rods and the second supporting rods, so that the telescopic fork is enabled to do vertical linear motion, and the stand column is enabled to do transverse linear motion.
Has the advantages that: the invention discloses a stacker with high bearing capacity and a transportation method, wherein a power assembly consisting of rigid transmission assemblies such as a shear assembly and a linear motion mechanism is used for driving a stand column and a telescopic fork, so that the problems that flexibly connected chains and belts such as a chain and chain wheel assembly and a belt wheel assembly have small bearing capacity and are not suitable for transporting heavy objects with high load are solved, and the one end that makes horizontal power component and the intermediate position fixed connection of stand have avoided the stand to take place the skew when carrying out horizontal linear motion and produce the problem of rigid friction with last track and lower track, make vertical power component fixed connection have avoided flexible fork to take place the skew when carrying out vertical linear motion and produce the problem of rigid friction with the stand in the bottom intermediate position of flexible fork, improved power component's load-carrying capacity, make stand and flexible fork can bear heavier goods.
Drawings
FIG. 1 is a schematic diagram of an axial structure of the present invention.
Fig. 2 is a schematic structural view of a vertical power assembly of a first embodiment of the invention.
Fig. 3 is a schematic structural view of a lateral power assembly of a first embodiment of the present invention.
Fig. 4 is a schematic view of a vertical power assembly of a second embodiment of the present invention.
Fig. 5 is a schematic structural view of a lateral power assembly of a second embodiment of the present invention.
Fig. 6 is a schematic view of a vertical power assembly of a third embodiment of the present invention.
Fig. 7 is a schematic structural view of a lateral power assembly of a third embodiment of the present invention.
Fig. 8 is a schematic structural view of a ball screw mechanism according to a second embodiment of the present invention.
The reference numerals shown in fig. 1 to 8 are: the lifting device comprises a stand column 1, a lower rail 2, an upper rail 3, a telescopic fork 4, a transverse power assembly 5, a vertical power assembly 6, a top plate 11, a bottom plate 12, a first guide rail assembly 13, a vertical plate 21, a scissor type lifting assembly 61, a first linear motion mechanism 62, a second guide rail assembly 63, a first supporting rod 611, a scissor type push-pull assembly 51, a second linear motion mechanism 52, a third guide rail assembly 53 and a second supporting rod 511.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The applicant researches and discovers that the existing piler which uses flexible connection of a chain sprocket assembly and a belt pulley assembly to carry out transmission has two problems on the transportation of heavy objects, one is that the bearing capacity of the piler is limited due to smaller bearing capacity of a chain and a belt, the other is that the chain and the belt are used for applying tension to one side of a vertical column and a telescopic fork of the piler, the other side of the piler passively slides, one side applying active force and the other side passively slides in opposite directions, the side applying the active force and the side applying the passive sliding are easy to deviate and damage, particularly, the telescopic fork bears larger gravity when bearing the heavy objects, the deviating angle is larger and even generates rigid friction, the service life is reduced, in order to solve the problems, the applicant provides the piler with high bearing capacity and a transportation method, and the shear type structure is used as the rigid transmission assembly to overcome the limitation that the, and install rigid transmission assembly in the intermediate position of stand and flexible fork, make stand and flexible fork both sides sliding connection's position atress even.
A high capacity stacker comprising: the lifting device comprises a stand column 1, a lower rail 2, an upper rail 3, a telescopic fork 4, a transverse power assembly 5, a vertical power assembly 6, a top plate 11, a bottom plate 12, a first guide rail assembly 13, a vertical plate 21, a scissor type lifting assembly 61, a first linear motion mechanism 62, a second guide rail assembly 63, a first supporting rod 611, a scissor type push-pull assembly 51, a second linear motion mechanism 52, a third guide rail assembly 53 and a second supporting rod 511.
The number of the upright columns 1 is at least one, in this embodiment, two upright columns 1 are uniformly arranged for stressing two sides of the telescopic fork 4, top plates 11 are fixedly connected to the top ends of the two upright columns 1, and bottom plates 12 are fixedly connected to the bottom ends of the two upright columns 1, so that the upright columns 1 form a whole.
The lower rail 2 and the upper rail 3 extend in the same direction, the lower rail 2 and the upper rail 3 are parallel to each other, and the extending direction of the column 1 is perpendicular to the extending direction of the lower rail 2.
In the embodiment shown in fig. 1 to 7, the end surfaces of both ends of the upper rail 3 and the lower rail 2 are fixedly provided with rigid vertical plates 21 by screws to provide supporting force for the transverse power assembly 5.
The vertical power assembly 6 comprises a scissor type lifting assembly 61 and a first linear motion mechanism 62, the scissor type lifting assembly 61 is composed of a plurality of first supporting rods 611, hinged holes are formed in the two ends and the middle of the first supporting rods 611, the first supporting rods 611 are hinged in a Y-shaped mode in a pairwise mode through pins, and in order to apply more symmetrical force to the vertical column 1 as shown in fig. 1, the two sets of scissor type lifting assemblies 61 are symmetrically arranged in the middle of the two sides of the telescopic fork 4, and when the vertical power assembly 6 is used, the force which is the same as the extending direction of the vertical column 1 is applied to the telescopic fork 4.
The transverse power assembly 5 comprises a scissor type push-pull assembly 51 and a second linear motion mechanism 52, the scissor type push-pull assembly 51 is composed of a plurality of second support rods 511, hinge holes are formed in two ends and the middle of each second support rod 511, the second support rods 511 are hinged in a Y-shaped mode in pairs by using pin shafts, as shown in fig. 1, in order to apply more symmetrical force to the upright post 1, two sets of scissor type push-pull assemblies 51 are symmetrically arranged in the middle of two sides of the upright post 1, and when the transverse power assembly 5 is used, the force in the same extending direction as the lower rail 2 is applied to the upright post 1.
In the first embodiment as shown in fig. 2 and 3, the first linear motion mechanism 62 is a first hydraulic cylinder, the second linear motion mechanism 52 is a second hydraulic cylinder, and the cylinder body of the first hydraulic cylinder is fixed at the middle position of the bottom plate 12 by using a screw, the telescopic rod of the first hydraulic cylinder is fixedly connected with the pin shaft of the middle cross point of the first support bar 611, the second hydraulic cylinder is fixed at the middle position of the vertical plate 21 by using a screw, the telescopic rod of the second hydraulic cylinder is fixedly connected with the pin shaft of the middle cross point of the second support bar 511, the motion direction of the first hydraulic cylinder is the same as the extension direction of the upright 1, the motion direction of the second hydraulic cylinder is the same as the extension direction of the lower rail, so that the first support bar 611 and the second support bar 511 both make angular displacement around the middle cross point during operation, and the linear motion of the first hydraulic cylinder and the second hydraulic cylinder is converted into the, the stroke of the linear motion of the first hydraulic cylinder and the second hydraulic cylinder is then amplified by the superposition of the angular displacements of the first support bar 611 and the second support bar 511.
During the assembly process, firstly, the lower rail 2 is fixed on the ground by using expansion screws, then the slide rails of the first guide rail are respectively fixed on the opposite surfaces of the lower rail 2 and the upper rail 3 and the opposite surfaces of the two upright posts 1, then the slide blocks of the first guide rail are respectively arranged below the bottom plate 12, above the top plate 11 and on two sides of the telescopic fork 4, then the upright posts 1 are in sliding connection with the lower rail 2 and the upper rail 3 through the first guide rail, the telescopic fork 4 is in sliding connection with one side of the middle of the upright posts 1, the upright posts 1 are in transverse linear motion between the lower rail 2 and the upper rail 3, the telescopic fork 4 is in vertical linear motion on one side of the upright posts 1, wherein the transverse linear motion and the vertical linear motion of the upright posts 1 and the telescopic fork 4 are guided through the first guide rail assembly 13, so as to avoid the rigid friction between the upright posts 1 and the upper rail 3 and the lower rail 2, the telescopic fork 4 and the upright post 1 generate rigid friction, so that the service life of the stacker is prolonged.
Then, screws are used for installing a sliding rail of a second guide rail above the bottom plate 12 and below the telescopic fork 4, sliding blocks of the second guide rail are installed at the tail ends of the first support rods 611 at the two ends of the scissor type lifting assembly 61, then a cylinder body of a first hydraulic cylinder is fixed at the middle position of the bottom plate 12, a telescopic rod of the first hydraulic cylinder is fixedly connected with a pin shaft of a middle cross point of the scissor type lifting assembly 61 through a bushing, and then the scissor type lifting assembly 61 is respectively connected with the bottom plate 12 and the telescopic fork 4 in a sliding mode through the second guide rail, so that the vertical power assembly 6 is formed.
Finally, screws are used for mounting a slide rail of a third guide rail on one side of the upright post 1 opposite to the telescopic fork 4 and one side of the upright plate 21 opposite to the upright post 1, slide blocks of the third guide rail are mounted at the tail ends of second support rods 511 at two ends of the scissor type push-pull assembly 51, then a cylinder body of a second hydraulic cylinder is fixed at the middle position of the upright plate 21, a telescopic rod of the second hydraulic cylinder is fixedly connected with a pin shaft at the middle cross point of the scissor type push-pull assembly 51 through a bushing, and then the scissor type push-pull assembly 51 is respectively connected with the bottom plate 12 and the telescopic fork 4 in a sliding mode through the third guide rail to form the transverse power assembly.
The working principle is that firstly, the distance between the first supporting rods 611 of the scissor type lifting assembly 61 is reduced to the minimum through the first linear motion mechanism 62, the telescopic fork 4 is reset to the original point, the spacing between the second struts 511 of the scissor push-pull assembly 51 is minimized by the second linear motion mechanism 52, the column 1 is reset to the origin, then after the goods are obtained by the telescopic fork 4, the second linear motion mechanism 52 is started to amplify the working stroke of the second linear motion mechanism 52 through the scissor type push-pull assembly 51, the upright post 1 is pushed to move to a preset position, then after the upright post 1 moves to a preset position, the first linear motion mechanism 62 is started to amplify the working stroke of the first linear motion mechanism 62 through the scissor type lifting assembly 61, the telescopic fork 4 is pushed to move to the preset position, and finally the telescopic fork 4 and the upright post 1 are reset by repeating the first step after the goods are placed at the preset position through the telescopic fork 4.
When the first linear motion mechanism 62 and the second linear motion mechanism 52 do linear motion, by utilizing the characteristic that each of the first support bar 611 and the second support bar 511 of the scissor type lifting assembly 61 and the scissor type push-pull assembly 51 performs angular displacement around a central intersection, only vertical displacement is reserved when the angular displacement of the first support bar 611 is eliminated through the second guide rail assembly 63, only horizontal displacement is reserved when the angular displacement of the second support bar 511 is eliminated through the third guide rail assembly 53, and then the strokes of the first linear motion mechanism 62 and the second linear motion mechanism 52 are amplified through the superposition of the angular displacements of the first support bar 611 and the second support bar 511, so that the telescopic fork 4 does vertical linear motion, and the upright 1 does horizontal linear motion.
In the second embodiment as shown in fig. 4 and 5, since the solution of using the hydraulic cylinder for the hydraulic cylinder also requires a reserved space above the height of the cylinder body on the bottom plate 12 and the vertical plate 21, the cargo needs to be lifted up when in use, and a ball screw mechanism is used as the linear motion mechanism in order to solve this problem.
As shown in fig. 8, the screw of the ball screw mechanism has a forward thread portion and a reverse thread portion with the same stroke, and two ball nuts respectively matching with the forward thread portion and the reverse thread portion, the servo motor is rotatably connected with one end of the screw of the ball screw mechanism through a speed reducer and a coupler, the two ball nuts are simultaneously moved in opposite directions by driving the screw of the ball screw mechanism through the servo motor, the connecting position of the forward thread portion and the reverse thread portion is located at the middle position of the bottom plate 12 during assembly, and the distances from the connecting positions of the two ball nuts to the forward thread portion and the reverse thread portion are equal, the first ball screw mechanism is used as a first linear motion mechanism 62 matching with the scissor type lifting assembly 61, and the second ball screw mechanism is used as a second linear motion mechanism 52 matching with the scissor type push-pull assembly 51.
Then, the two ball nuts of the first ball screw mechanism are fixedly connected with the tail ends of the two first support rods 611 which are arranged at the tail end of the scissor type lifting assembly 61 and are mutually crossed, the ball nuts of the first ball screw mechanism are fixedly connected with the slide block of the second guide rail, and the autorotation of the first ball screw mechanism is overcome through the second guide rail.
Then, two ball nuts of the second ball screw mechanism are fixedly connected with the tail ends of two second support rods 511 which are arranged at the tail ends of the scissor type push-pull assembly 51 and are mutually crossed, the ball nuts of the second ball screw mechanism are fixedly connected with a slide block of a third guide rail, and the autorotation of the second ball screw mechanism is overcome through the third guide rail.
In the third embodiment as shown in fig. 6 and 7, because the servo motor is arranged at one side of the ball screw mechanism, the screw rod is too long, and the situation that the screw rod is bent by torque is easy to occur, so that the servo motor is rotationally connected with the ball screw mechanism through the reducer and the coupler of the double output shafts, and two screw rods with opposite threads and ball nuts matched with the two screw rods are arranged at two ends of the reducer.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims (3)

1. A high capacity stacker, comprising: the device comprises a stand column (1), a lower rail (2), an upper rail (3), a telescopic fork (4), a transverse power assembly (5) and a vertical power assembly (6);
the device comprises at least one upright post (1), wherein the upright post (1) is connected with a lower track (2) and an upper track (3) in a sliding manner, and the upright post (1) does transverse linear motion between the lower track (2) and the upper track (3);
the telescopic fork (4) is connected with one side of the upright post (1) in a sliding manner, and the telescopic fork (4) makes vertical linear motion on one side of the upright post (1);
one end of the transverse power assembly (5) is fixedly connected with the middle position of the other side of the upright post (1), the other end of the transverse power assembly is fixedly connected with the end faces of the lower rail (2) and the upper rail (3), the transverse power assembly (5) and the telescopic fork (4) are respectively positioned on two sides of the upright post (1), and the transverse power assembly (5) applies force to the upright post (1) in the same direction as the extension direction of the lower rail (2);
one end of the vertical power assembly (6) is fixedly connected with the upright post (1), the other end of the vertical power assembly is fixedly connected to the middle position of the bottom end of the telescopic fork (4), and the vertical power assembly (6) applies force to the telescopic fork (4) in the same direction as the extending direction of the upright post (1);
wherein the transverse power assembly (5) and the vertical power assembly (6) are in rigid transmission;
the telescopic pallet fork is characterized in that the number of the upright columns (1) is two, the top ends of the two upright columns (1) are fixedly connected with a top plate (11), the bottom ends of the two upright columns (1) are fixedly connected with a bottom plate (12), the telescopic pallet fork (4) and the vertical power assembly (6) are both installed between the two upright columns (1), and the vertical power assembly (6) is fixedly connected with the bottom plate (12);
the vertical power assembly (6) comprises a scissor type lifting assembly (61) and a first linear motion mechanism (62), the scissor type lifting assembly (61) is respectively in sliding connection with the bottom plate (12) and the telescopic fork (4) through a second guide rail assembly (63), the scissor type lifting assembly (61) comprises a plurality of first supporting rods (611), every two of the first supporting rods (611) are hinged to form a yao-shaped structure, and the first linear motion mechanism (62) is fixedly connected with the scissor type lifting assembly (61) and the bottom plate (12);
the first linear motion mechanism (62) is a first ball screw mechanism, the first ball screw mechanism comprises two screw rods with opposite threads and ball nuts respectively matched with the two screw rods, the connecting positions of the forward threaded screw rod and the reverse threaded screw rod are positioned in the middle of the bottom plate (12), the ball nuts are respectively fixedly connected with two first supporting rods (611) which are mutually crossed, and the central axis direction of the screw rods of the first ball screw mechanism is vertical to the extending direction of the upright post (1);
the servo motor is rotationally connected with the first ball screw mechanism through the speed reducer with the double output shafts, and two output shafts of the speed reducer are respectively rotationally connected with two screw rods with opposite threads;
the top plate (11) is in sliding connection with the upper track (3), the bottom plate (12) is in sliding connection with the lower track (2), and the telescopic fork (4) is in sliding connection with the upright post (1) through a first guide rail assembly (13);
the end faces of two ends of the lower rail (2) and the end faces of two ends of the upper rail (3) are fixedly connected through a vertical plate (21), the transverse power assembly (5) comprises a shear type push-pull assembly (51) and a second linear motion mechanism (52), the shear type push-pull assembly (51) is respectively in sliding connection with the vertical plate (21) and the vertical column (1), the shear type push-pull assembly (51) comprises a plurality of second supporting rods (511), every two of the second supporting rods (511) are hinged in a Y-shaped mode, and the second linear motion mechanism (52) is fixedly connected with the shear type push-pull assembly (51) and the vertical plate (21).
2. The stacker crane with high bearing capacity according to claim 1, wherein the second linear motion mechanism (52) is a second hydraulic cylinder fixed at the middle position of the vertical plate (21), the cylinder body of the second hydraulic cylinder is fixedly connected with the vertical plate (21), the telescopic rod of the second hydraulic cylinder is fixedly connected with the middle cross point of the second support rod (511), and the motion direction of the second hydraulic cylinder is the same as the extension direction of the lower rail.
3. The stacker crane with high bearing capacity according to claim 1, wherein the second linear motion mechanism (52) is a second ball screw mechanism, a screw of the second ball screw mechanism has a forward thread part and a reverse thread part with the same stroke, the connecting positions of the forward thread part and the reverse thread part are positioned in the middle of the bottom plate (12), ball nuts matched with the forward thread part and the reverse thread part are respectively installed on the forward thread part and the reverse thread part, the ball nuts are respectively and fixedly connected with two second support rods (511) which are intersected with each other, and the central axis direction of the screw of the second ball screw mechanism is perpendicular to the extending direction of the lower rail (2).
CN201911045100.5A 2019-10-30 2019-10-30 Stacker with high bearing capacity and transportation method Expired - Fee Related CN110789894B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911045100.5A CN110789894B (en) 2019-10-30 2019-10-30 Stacker with high bearing capacity and transportation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911045100.5A CN110789894B (en) 2019-10-30 2019-10-30 Stacker with high bearing capacity and transportation method

Publications (2)

Publication Number Publication Date
CN110789894A CN110789894A (en) 2020-02-14
CN110789894B true CN110789894B (en) 2021-06-11

Family

ID=69442137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911045100.5A Expired - Fee Related CN110789894B (en) 2019-10-30 2019-10-30 Stacker with high bearing capacity and transportation method

Country Status (1)

Country Link
CN (1) CN110789894B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115417044A (en) * 2020-12-31 2022-12-02 深圳市海柔创新科技有限公司 Lifting device and transfer robot
CN117533773A (en) * 2021-12-22 2024-02-09 南通中集元能集成科技有限公司 Integrated equipment material loading is equipped
CN115072247B (en) * 2022-07-22 2022-11-08 太原市奥特莱物流科技有限公司 Stacker with high bearing capacity

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102180326A (en) * 2011-04-06 2011-09-14 深圳市当代通信技术有限公司 Internet of things (IOT) intelligent concentrated storage system based on double-track-shuttling stacking machine
CN204162353U (en) * 2014-04-09 2015-02-18 燕山大学 Large bearing capacity scissor-type lifting platform
CN105600260A (en) * 2015-10-16 2016-05-25 钟高锋 Self-service intelligent storage and retrieval device with communicating storage and retrieval trolley
CN106698248A (en) * 2015-07-17 2017-05-24 佛山市禾才科技服务有限公司 Long guide rail mechanism stable in operation
CN208103818U (en) * 2018-03-16 2018-11-16 江苏波司登供应链管理有限公司 Automatic clamping and placing goods mechanical hand in a kind of storage warehouse
DE102017112658A1 (en) * 2017-06-08 2018-12-13 Claus Henkel logistics vehicle
CN109081276A (en) * 2018-10-18 2018-12-25 河南工业和信息化职业学院 A kind of electric power overhaul safety device
CN209536079U (en) * 2018-11-16 2019-10-25 四川南骏汽车集团有限公司 A kind of compression set of garbage compression vehicle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205556016U (en) * 2016-04-27 2016-09-07 江苏光明环境设备有限公司 Three -dimensional scissors formula workstation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102180326A (en) * 2011-04-06 2011-09-14 深圳市当代通信技术有限公司 Internet of things (IOT) intelligent concentrated storage system based on double-track-shuttling stacking machine
CN204162353U (en) * 2014-04-09 2015-02-18 燕山大学 Large bearing capacity scissor-type lifting platform
CN106698248A (en) * 2015-07-17 2017-05-24 佛山市禾才科技服务有限公司 Long guide rail mechanism stable in operation
CN105600260A (en) * 2015-10-16 2016-05-25 钟高锋 Self-service intelligent storage and retrieval device with communicating storage and retrieval trolley
DE102017112658A1 (en) * 2017-06-08 2018-12-13 Claus Henkel logistics vehicle
CN208103818U (en) * 2018-03-16 2018-11-16 江苏波司登供应链管理有限公司 Automatic clamping and placing goods mechanical hand in a kind of storage warehouse
CN109081276A (en) * 2018-10-18 2018-12-25 河南工业和信息化职业学院 A kind of electric power overhaul safety device
CN209536079U (en) * 2018-11-16 2019-10-25 四川南骏汽车集团有限公司 A kind of compression set of garbage compression vehicle

Also Published As

Publication number Publication date
CN110789894A (en) 2020-02-14

Similar Documents

Publication Publication Date Title
CN110789894B (en) Stacker with high bearing capacity and transportation method
CN203229195U (en) Roller table device
CN108238427A (en) Promote turnover device
CN211812921U (en) Fixed hydraulic guide rail lift goods lift
CN107572447A (en) A kind of transfer pallet fork lift and vehicle production line
CN1958409B (en) Stacking machine and stereo storage rack
CN211812134U (en) Commodity circulation transportation is with material handling platform of multi-direction removal
CN207158709U (en) Transfer pallet fork lift and vehicle production line
CN115676688B (en) Step-by-step elevating equipment
CN214086612U (en) Truss type automatic transfer device
CN217498561U (en) Heavy-load bidirectional storing and taking device and double-track heavy-load stacker
CN210339465U (en) Goods climbing mechanism
CN214879885U (en) Shear type lifting device with mechanical lever type boosting mechanism
CN108583404A (en) Cloud type rail carry vehicle
CN211569224U (en) Transverse shear line sheet stock bearing and transferring equipment
CN112093724A (en) Self-adaptation combination yoke on carrier
CN217650839U (en) Four-upright-column cargo carrying platform stacker
CN218595189U (en) Adjusting device for adjusting tray posture on storage shelf and storage shelf
CN217895026U (en) Lifting platform
CN219546604U (en) Servo drive elevator
CN221253827U (en) Heavy-load lifting platform based on rigid chain
CN213141194U (en) Anode carbon block carrying device
CN219730377U (en) Counterweight deflection mechanism and crane
CN210366846U (en) Electric hydraulic lifting conveyor
CN217921306U (en) Jacking device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210611

Termination date: 20211030

CF01 Termination of patent right due to non-payment of annual fee