CN117416894B - Double-extension clamping type fork - Google Patents

Double-extension clamping type fork Download PDF

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Publication number
CN117416894B
CN117416894B CN202311601751.4A CN202311601751A CN117416894B CN 117416894 B CN117416894 B CN 117416894B CN 202311601751 A CN202311601751 A CN 202311601751A CN 117416894 B CN117416894 B CN 117416894B
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CN
China
Prior art keywords
fork
driving
fixedly connected
rotating shaft
plate
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.)
Active
Application number
CN202311601751.4A
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Chinese (zh)
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CN117416894A (en
Inventor
吴楠
陈新安
胡小龙
刘季晶
肖佳东
汪巍蔷
林奇峰
董勇
宋海松
杭哲
卞嘉诚
董静思
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.)
Zhejiang Zhongyang Liku Technology Co ltd
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Zhejiang Zhongyang Liku Technology Co ltd
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Application filed by Zhejiang Zhongyang Liku Technology Co ltd filed Critical Zhejiang Zhongyang Liku Technology Co ltd
Priority to CN202311601751.4A priority Critical patent/CN117416894B/en
Publication of CN117416894A publication Critical patent/CN117416894A/en
Application granted granted Critical
Publication of CN117416894B publication Critical patent/CN117416894B/en
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Classifications

    • 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
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems
    • 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
    • B66F9/07504—Accessories, e.g. for towing, charging, locking
    • 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

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

The invention discloses a double-extension clamping type pallet fork, which relates to the technical field of cargo conveying equipment and comprises a bearing frame, wherein two symmetrical and separate bottom forks are arranged on the surface of the bearing frame, a clamping driving device is fixedly arranged on the surface of the bearing frame, toothed driving parts are arranged on the bottom forks, a telescopic part comprises a middle fork I, a middle fork II and an inner fork, a shifting fork part is arranged at two ends of the inner fork, a bearing part is arranged at the bottom of the inner fork, the bearing part comprises a rotating shaft, a supporting plate is fixedly connected with the surface of the rotating shaft, the use of a drag chain is reduced through flat belts, the structure is lighter and thinner, the occupied space is reduced, the space utilization rate is improved, the supporting plate is driven to rotate to the bottom of a cargo through the movement of the bearing part, the effect of supporting the cargo is achieved, the falling-off condition of the cargo is avoided, meanwhile, the stability of the cargo during transportation is improved, the cargo loss is reduced, and the potential safety hazard effect is reduced through the arrangement of two parallel sliding rails.

Description

Double-extension clamping type fork
Technical Field
The invention relates to the technical field of cargo conveying equipment, in particular to a double-extension clamping type fork.
Background
The use of the high-rise warehouse shelf greatly improves the space utilization rate while the development of the logistics industry is very rapid along with the rapid development of economy, and a warehouse logistics transfer robot system matched with a warehouse is also more and more emphasized. Various stereoscopic warehouses are generated, and the clamping fork is used as novel logistics equipment, so that the solution of warehouse logistics is enriched, and the novel logistics equipment is characterized by being light and concise, and can realize safer and more efficient loading and unloading operation on a light material box warehouse.
The fork is embraced to clamp on the present market still below defect, dials the power supply problem of finger motor and sensor, and current fork adopts the tow chain power supply mostly, causes fork thickness thicker, and fixed fork plate only has a slide rail, and during operation stability is relatively poor, and it is fixed that the goods is pressed from both sides tightly mainly through two tines when snatching the goods, and the goods bottom does not set up bearing structure, if frictional force is difficult to cause the goods to drop when pressing from both sides and embracing the goods and falls down, causes the goods loss to the potential safety hazard has been improved.
Disclosure of Invention
The invention aims to provide a double-extension clamping fork, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a dual-extension clamp fork, comprising:
The bearing frame is provided with two symmetrical and separate bottom forks on the surface, the clamping driving device is fixedly arranged on the surface of the bearing frame, the toothed driving piece is arranged on the bottom fork, and the junction box is fixedly arranged on the bottom fork;
The surface of each bottom fork is provided with a telescopic part, each telescopic part comprises a first middle fork, a second middle fork and an inner fork, the surface of each bottom fork is fixedly connected with two parallel sliding rails, the first middle fork is in sliding connection with the bottom fork through the sliding rails, the second middle fork is arranged in a middle fork space formed by the first middle fork and is connected with the first middle fork, and the inner fork is arranged in an inner fork space of the second middle fork and is connected with the second middle fork;
The shifting fork parts are arranged at two ends of the inner fork and used for hooking cargoes;
The bearing part is arranged at the bottom of the inner fork and comprises a rotating shaft, and a supporting plate is fixedly connected with the surface of the rotating shaft and used for driving the supporting plate to rotate when the inner fork clamps to act, so that the cargoes are prevented from falling off.
Optionally, the first bottom fork and the first middle fork are connected with the second middle fork through a power supply belt and a traction belt, the first middle fork moves in parallel relative to the first bottom fork, the second middle fork moves in parallel relative to the first middle fork, the second middle fork is connected with the second inner fork through a drag chain, and the second inner fork moves in parallel relative to the second middle fork.
Optionally, the toothed driving piece includes installing a plurality of sprockets and the drive piece that drives on bottom fork surface sprocket pivoted, a plurality of the surface of sprocket is connected with the drive chain jointly, the bottom of well fork one is provided with rack portion, rack portion with the drive chain meshes.
Optionally, the shift fork part includes shift fork driving motor and shift fork, shift fork driving motor fixed mounting is in the surface of interior fork, shift fork driving motor with the connection of shift fork is through milling flat axle sleeve cooperation connection, be provided with fork meso position sensing piece on the axle sleeve.
Optionally, the support member comprises:
the driving rod is provided with a through hole used for the driving rod to pass through, the driving rod is in sliding connection with the inner fork through the through hole, the end part of the driving rod is fixedly connected with a driving block, the bottom of the driving block is fixedly connected with a fixing plate II, the bottom of the inner fork is fixedly connected with a fixing block, a telescopic rod is fixedly connected between the fixing block and the fixing plate II together, a spring is sleeved on the surface of the telescopic rod, and two ends of the spring are fixedly connected with the surface of the fixing block and the surface of the fixing plate II respectively;
The bottom of the inner fork is provided with a notch, the rotating shaft is fixedly connected to the inner wall of the notch in a rotating way, the number of the rotating shaft and the number of the supporting plates are two, the rotating shaft and the supporting plates are symmetrically distributed, and the surface of the supporting plates is provided with inclined surface parts;
The tooth transmission assembly is arranged on the rotating shaft and connected with the driving block and used for driving the rotating shaft to rotate.
Optionally, the tooth transmission subassembly includes the gear, gear fixed connection is in the surface of pivot, two symmetry respectively spouts have been seted up on the surface of fork, two equal sliding connection has the slider in the spout, the fixed surface of slider is connected with fixed plate one, fixed plate one with jointly articulated between the drive piece has the rotating plate, the lower surface fixedly connected with tooth row of slider, tooth row with the gear meshes.
Optionally, the inside of layer board is seted up flutedly, the inner wall fixedly connected with electric putter of recess, electric putter's telescopic part fixedly connected with regulating plate, the regulating plate with the inner wall sliding connection of recess, the tip of regulating plate is located outside the layer board, and regulating plate tip fixedly connected with riding block, the regulating plate plus the height of riding block with the layer board is parallel.
Optionally, the first middle fork and the second middle fork are both provided with modularized belt tensioning devices, the first middle fork is provided with a traction belt pressing plate, and the bottom fork is provided with a limit stop.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention reduces the use of the drag chain by arranging the flat belt for supplying power, so that the structure is lighter and thinner, the occupied space is reduced, and the space utilization rate is improved.
2. According to the invention, in the process of clamping and holding operation by the mutual approaching of the two inner forks, the driving rod is propped against the goods, and the driving rod moves in a translational manner relative to the inner forks by the continuous movement of the inner forks, so that the driving block is driven to move, the two sliding blocks and the two tooth rows are driven to move and slide along the sliding chute simultaneously by the two rotating plates, and the two rotating shafts rotate simultaneously by the meshing relationship with the gears, so that the supporting plate is driven to rotate into the bottom of the goods, the effect of supporting the goods from the bottom is realized, the situation that the goods fall off under the condition of smaller clamping and holding force is avoided, the stability of the goods during transportation is improved, the loss of the goods is reduced, and the potential safety hazard is reduced.
3. According to the invention, the first middle fork, the second middle fork and the inner fork are arranged to slide relatively, so that the distance between two stations can be reached, the travel of the fork is increased, double deep clamping is realized, more goods can be made under the same area, the drag chain is reduced by supplying power through the flat belt, the structure is compact, the fork extending part is lighter and thinner, the goods distance can be reduced, the storage capacity is increased, and the space utilization is improved.
4. According to the invention, the shifting fork driving motor is started to drive the shifting fork to rotate, so that goods are hooked and prevented from falling off, and the shifting fork driving motor is connected with the shifting fork through the milling flat shaft sleeve in a matched manner, so that the shifting finger is prevented from slipping during working, and the stability of the goods during transportation is improved.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is an isometric view of a fork structure of the present invention;
FIG. 3 is a schematic view of a load-bearing frame structure of the present invention;
FIG. 4 is an isometric view of a fork assembly of the present invention;
FIG. 5 is a front view of a fork member of the present invention;
FIG. 6 is a front view of the bottom fork structure of the present invention;
FIG. 7 is a front view of a fork-like structure of the present invention;
FIG. 8 is an isometric view of a partial structure of an inner fork of the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 8A in accordance with the present invention;
FIG. 10 is a second perspective view of a partial structure of an inner fork of the present invention;
fig. 11 is a cross-sectional view of the pallet structure of the present invention.
In the figure: 1. a load-bearing frame; 2. a bottom fork; 201. a drive chain; 3. a first middle fork; 301. a rack portion; 4. a second middle fork; 5. an inner fork; 501. a through hole; 502. a notch; 503. a chute; 6. a fork member; 61. a shifting fork drives a motor; 62. a shifting fork; 63. a fork middle position sensing piece; 7. a limit stop; 8. traction belt press plate; 9. a modular belt tensioner; 10. a power supply belt; 11. traction belt; 12. a junction box; 13. clamping and holding a driving device; 14. a slide rail; 15. a driving rod; 16. a slide block; 17. a first fixing plate; 18. a rotating plate; 19. a tooth row; 20. a driving block; 21. a second fixing plate; 22. a telescopic rod; 23. a spring; 24. a rotating shaft; 25. a gear; 26. a supporting plate; 261. a groove; 262. an electric push rod; 263. and an adjusting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
Referring to fig. 1 to 11, the present embodiment provides a technical solution: a dual-extension clamp fork, comprising:
the bearing frame 1, the surface of the bearing frame 1 is provided with two symmetrical and separate bottom forks 2, the surface of the bearing frame 1 is fixedly provided with a clamping driving device 13, the bottom forks 2 are provided with toothed driving pieces, the bottom forks 2 are fixedly provided with a junction box 12, the clamping driving devices 13 are connected through an expanding sleeve, the concentricity of installation can be ensured, and a motor can be effectively protected, namely, the connection part slips and idles when the load exceeds rated torque;
the surface of the two bottom forks 2 is provided with telescopic components, each telescopic component comprises a middle fork I3, a middle fork II 4 and an inner fork 5, the surface of the bottom fork 2 is fixedly connected with two parallel sliding rails 14, the middle fork I3 is in sliding connection with the bottom fork 2 through the sliding rails 14, the middle fork II 4 is arranged in a middle fork space formed by the middle fork I3 and is connected with the middle fork I3, and the inner fork 5 is arranged in an inner fork space of the middle fork II 4 and is connected with the middle fork II 4;
the shifting fork parts 6 are arranged at two ends of the inner fork 5 and used for hooking cargoes;
The bearing part is arranged at the bottom of the inner fork 5 and comprises a rotating shaft 24, and a supporting plate 26 is fixedly connected to the surface of the rotating shaft 24 and used for driving the supporting plate 26 to rotate and preventing cargoes from falling off when the inner fork 5 clamps and holds.
More specifically, in the present embodiment: the stacker advances to a goods shelf position, then the bearing frame 1 is lifted to a position flush with a goods lattice to be subjected to task operation, the toothed driving piece drives the middle fork one 3 on the two bottom forks 2 to stretch out simultaneously, the middle fork one 3 is driven to stretch out, the middle fork two 4 is driven to stretch out, the inner fork 5 is driven to stretch out to two sides of goods, then the two bottom forks 2 are driven by the clamping driving device 13, the two bottom forks 2 are close to each other, the two inner forks 5 are driven to clamp the goods, the goods are clamped by the inner fork 5, the bearing component is driven to move, the rotating shaft 24 rotates in the moving process of the bearing component, the supporting plate 26 rotates by the rotating shaft 24, the supporting plate 26 stops after rotating to the bottom of the goods, thereby the effect of bearing the goods is achieved, the fork component 6 is started to hook the goods, the situation that the goods fall off under the condition of small clamping force is avoided, the stability of the goods during transportation is improved, the loss of the goods is reduced, the hidden danger is reduced, the goods are reset by the toothed driving piece 3, the goods are driven to clamp by the inner fork 5, and the goods are moved to the clamping frame 1, and the work is completed.
When the task operation of storing goods is needed, the toothed driving piece is started again to drive the middle fork 3 to stretch out, the goods which are in the clamped state on the bearing frame 1 gradually stretch out, the two bottom forks 2 are driven to be far away from each other through the clamping driving device 13 when the goods move to the upper part of the goods shelf, the two inner forks 5 are far away from each other, the clamping state of the goods is relieved, the inner forks 5 are far away from each other, the bearing parts are driven to reset, the rotating shaft 24 and the supporting plate 26 are reset, the shifting fork parts 6 are reset, the goods storage operation is completed, the stability of the middle fork 3 in moving is improved through the sliding rail 14 which is arranged in parallel, the use of a drag chain is reduced through flat belt power supply, the structure is lighter and thinner, the occupied space is reduced, and the space utilization rate is improved.
Embodiment two:
Based on the above embodiments:
Referring to fig. 1 to 8, a bottom fork 2 is connected with a middle fork 3, the middle fork 3 is connected with a middle fork 4 through a power supply belt 10 and a traction belt 11, the middle fork 3 moves in parallel relative to the bottom fork 2, the middle fork 4 moves in parallel relative to the middle fork 3, the middle fork 4 is connected with an inner fork 5 through a drag chain, a space between the inner fork 5 and the middle fork 4 is reasonably utilized for running lines, and the inner fork 5 moves in parallel relative to the middle fork 4.
More specifically, in the present embodiment: in the sliding process of the middle fork I3 along the sliding rail 14, the middle fork II 4 is driven to move through the power supply belt 10 and the traction belt 11, and the inner fork 5 is driven to move through the drag chain, so that the double-deep effect is realized, the travel of the fork is increased, more goods can be made under the same area, the drag chain is reduced through flat belt power supply, the structure is compact, the fork extending part is lighter and thinner, the goods spacing can be reduced, the storage capacity is increased, and the space utilization is improved.
Embodiment III:
Based on the above embodiments:
Referring to fig. 1 to 8, a toothed driving member in a first embodiment is disclosed as follows, the toothed driving member includes a plurality of sprockets mounted on a surface of a bottom fork 2 and a driving member for driving the sprockets to rotate, surfaces of the plurality of sprockets are commonly connected with a driving chain 201, a rack portion 301 is disposed at a bottom of a middle fork 3, and the rack portion 301 is engaged with the driving chain 201.
More specifically, in the present embodiment: the driving piece drives the chain wheel to rotate, the chain wheel rotates to drive the driving chain 201 to move, the driving chain 201 moves, the middle fork 3 is driven to slide along the slide rail 14 through the meshing relationship with the rack part 301, and the bidirectional telescoping effect of the middle fork 3 is realized through the forward and reverse rotation of the chain wheel.
Embodiment four:
Based on the above embodiments:
Referring to fig. 1 to 8, a shift fork component in the first embodiment is disclosed as follows, and the shift fork component includes a shift fork driving motor 61 and a shift fork 62, where the shift fork driving motor 61 is fixedly installed on the surface of the inner fork 5, and the shift fork driving motor 61 and the shift fork 62 are connected through a milled flat shaft sleeve in a matched manner.
More specifically, in the present embodiment: through starting shift fork driving motor 61, drive shift fork 62 is rotatory to catch on the goods, prevent to drop, and pass through the shaft sleeve cooperation connection of milling flat through the connection of shift fork driving motor 61 and shift fork 62, prevent that the during operation from dialling to indicate to skid, improve the stability when the goods transportation.
Fifth embodiment:
Based on the above embodiments:
Referring to fig. 8 to 11, a support member according to a first embodiment is disclosed as follows, the support member comprising:
the driving rod 15, the surface of the inner fork 5 is provided with a through hole 501 for the driving rod 15 to pass through, the driving rod 15 is in sliding connection with the inner fork 5 through the through hole 501, the end part of the driving rod 15 is fixedly connected with a driving block 20, the bottom of the driving block 20 is fixedly connected with a fixing plate II 21, the bottom of the inner fork 5 is fixedly connected with a fixing block, a telescopic rod 22 is fixedly connected between the fixing block and the fixing plate II 21 together, the surface of the telescopic rod 22 is sleeved with a spring 23, and two ends of the spring 23 are respectively fixedly connected with the surface of the fixing block and the surface of the fixing plate II 21;
The bottom of the inner fork 5 is provided with a notch 502, the rotating shaft 24 is fixedly connected to the inner wall of the notch 502 in a rotating way, the number of the rotating shaft 24 and the supporting plates 26 is two, the rotating shaft and the supporting plates 26 are symmetrically distributed, and the surface of each supporting plate 26 is provided with a bevel part;
The tooth transmission assembly is arranged on the rotating shaft 24 and connected with the driving block 20 for driving the rotating shaft 24 to rotate.
More specifically, in the present embodiment: when two inner forks 5 are close to each other to clamp and hold work, the actuating lever 15 gradually moves to the goods direction, and contact goods earlier than inner forks 5, along with the actuating lever 15 of both sides all support the goods, and continue to move through inner forks 5, make actuating lever 15 move in the translation of inner forks 5, and cause the pulling force to spring 23 through fixed plate two 21, move through actuating lever 15, drive actuating block 20 and remove, move through actuating block 20, drive tooth transmission assembly motion, make two pivots 24 rotate simultaneously, and the rotation range is ninety degrees, thereby drive layer board 26 rotation, and screw in the goods bottom through the inclined plane portion that its surface set up more easily, at this moment, two inner forks 5 medial surface and laminating with the goods, actuating lever 15 tip is located through-hole 501, thereby the effect of supporting goods from the bottom has been realized, the condition that the goods appears droing under the circumstances of clamping dynamics is less, the condition of goods transportation has been avoided, the stability when inner forks 5 are transported and are accomplished, reduce the potential safety hazard, reset when actuating lever 15 and goods are separated, spring 23 no longer receives spring 23 pressure, thereby the reset force is recovered with the follow-up work of spring 26.
Example six:
Based on the above embodiments:
Referring to fig. 8 to 11, a tooth transmission assembly in a fifth embodiment is disclosed as follows, the tooth transmission assembly includes a gear 25, the gear 25 is fixedly connected to a surface of a rotating shaft 24, two symmetrical and separate sliding grooves 503 are formed on a surface of a fork, sliding blocks 16 are slidably connected in the two sliding grooves 503, a first fixing plate 17 is fixedly connected to a surface of the sliding blocks 16, a rotating plate 18 is hinged between the first fixing plate 17 and a driving block 20, a tooth row 19 is fixedly connected to a lower surface of the sliding blocks 16, and the tooth row 19 is meshed with the gear 25.
More specifically, in the present embodiment: the driving rod 15 drives the driving block 20 to move in the direction away from the inner fork 5, the two rotating plates 18 are driven to rotate, the two sliding blocks 16 are driven to slide along the sliding groove 503 simultaneously through the rotation of the two rotating plates 18, the two sliding blocks 16 are driven to move simultaneously, the two tooth rows 19 are driven to move, and the rotating shaft 24 is driven to rotate by a certain amplitude through the meshing relationship with the gear 25, so that the supporting plate 26 is rotated to the bottom of a cargo, and the effect of supporting is realized.
Embodiment seven:
Based on the above embodiments:
Referring to fig. 8 to 11, a recess 261 is formed in the support plate 26, an electric push rod 262 is fixedly connected to an inner wall of the recess 261, an adjusting plate 263 is fixedly connected to a telescopic portion of the electric push rod 262, the adjusting plate 263 is slidably connected to an inner wall of the recess 261, an end portion of the adjusting plate 263 is located outside the support plate 26, a supporting block is fixedly connected to an end portion of the adjusting plate 263, and a height of the adjusting plate 263 plus the supporting block is parallel to the support plate 26.
More specifically, in the present embodiment: when the cargoes clamped and held are large, the adjusting plate 263 is driven to slide in the groove 261 by starting the electric push rod 262 so as to prolong the range of the bearing, adapt to the large cargoes and improve the practicability of the clamped and held fork in use.
Example eight:
Based on the above embodiments:
referring to fig. 1 and 2, a modularized belt tensioning device 9 is arranged on each of the first middle fork 3 and the second middle fork 4, a traction belt pressing plate 8 is arranged on the first middle fork 3, and a limit stop 7 is arranged on the bottom fork 2.
More specifically, in the present embodiment: through setting up modularization belt overspeed device tensioner 9, make things convenient for tensioning and dismantlement maintenance, improve anti-skidding effect through setting up traction belt clamp plate 8, the difficult roll-off of belt during the work atress to through setting up limit stop 7, prevent that the fork from surpassing the stroke, the security when guaranteeing the fork use.
Working principle: when the double-extension clamping type pallet fork is used, the method comprises the following steps of:
step S1: when the task of taking out goods is required, the goods is moved to the goods shelf through the stacker, and then the bearing frame 1 is lifted to a position which is level with the goods lattice of the task;
Step S2: then the driving piece drives the chain wheel to rotate, the chain wheel is used for driving the driving chain 201 to move, the driving chain 201 is used for moving, and the two middle forks 3 are driven to extend out simultaneously through the meshing relationship with the rack part 301;
Step S3: the two middle forks 3 extend to drive the two middle forks 4 to extend, the middle forks 4 extend to drive the inner forks 5 to extend, the inner forks 5 extend to two sides of the goods, and then the two bottom forks 2 are driven by the clamping driving device 13 to be close to each other, so that the two inner forks 5 are driven to clamp the goods;
step S4: in the process that the two inner forks 5 are close to each other, the driving rod 15 props against the goods, the driving rod 15 moves in a translation way relative to the inner forks 5 through the continuous movement of the inner forks 5, the driving block 20 is driven to move, the two sliding blocks 16 are driven to simultaneously slide along the sliding groove 503 through the two rotating plates 18, the two tooth rows 19 are driven to simultaneously move through the two sliding blocks 16, and the two rotating shafts 24 are simultaneously rotated through the meshing relationship with the gears 25, so that the supporting plate 26 is driven to rotate into the bottom of the goods, the effect of supporting the goods from the bottom is realized, the situation that the goods fall off under the condition of smaller clamping force is avoided, the stability of the goods during transportation is improved, the loss of the goods is reduced, and the potential safety hazard is reduced;
step S5: after clamping and supporting the goods, the shifting fork driving motor 61 is started to drive the shifting fork 62 to rotate, so that the goods are hooked, then the middle driving fork 3 is reset, the goods are moved to the bearing frame 1, the goods are taken out, and the goods storage operation is the same.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a two clamp of stretching embrace formula fork, its characterized in that, two clamp of stretching embrace formula fork includes:
The bearing frame (1), the surface of bearing frame (1) is provided with two respectively symmetrical bottom forks (2), clamping driving device (13) is fixedly arranged on the surface of bearing frame (1), toothed driving piece is arranged on bottom fork (2), and junction box (12) is fixedly arranged on bottom fork (2);
The surface of each bottom fork (2) is provided with a telescopic part, each telescopic part comprises a first middle fork (3), a second middle fork (4) and an inner fork (5), two parallel sliding rails (14) are fixedly connected to the surface of each bottom fork (2), the first middle fork (3) is in sliding connection with the bottom fork (2) through the sliding rails (14), the second middle fork (4) is arranged in a middle fork space formed by the first middle fork (3) and is connected with the first middle fork (3), and the inner fork (5) is arranged in the inner fork space of the second middle fork (4) and is connected with the second middle fork (4);
The shifting fork components (6) are arranged at two ends of the inner fork (5) and used for hooking cargoes;
The double-extension clamping type pallet fork further comprises a bearing part, the bearing part is arranged at the bottom of the inner fork (5), the bearing part comprises a rotating shaft (24), a supporting plate (26) is fixedly connected to the surface of the rotating shaft (24), and the bearing part is used for driving the supporting plate (26) to rotate and preventing cargoes from falling off when the inner fork (5) clamps and holds;
The bottom fork (2) is connected with the middle fork (3) and the middle fork (3) is connected with the middle fork (4) through a power supply belt (10) and a traction belt (11), the middle fork (3) moves in parallel relative to the bottom fork (2), the middle fork (4) moves in parallel relative to the middle fork (3), the middle fork (4) is connected with the inner fork (5) through a drag chain, and the inner fork (5) moves in parallel relative to the middle fork (4);
The toothed driving piece comprises a plurality of chain wheels arranged on the surface of the bottom fork (2) and a driving piece for driving the chain wheels to rotate, wherein the surfaces of the plurality of chain wheels are commonly connected with a driving chain (201), the bottom of the middle fork (3) is provided with a rack part (301), and the rack part (301) is meshed with the driving chain (201);
the support member includes:
the driving rod (15), a through hole (501) for the driving rod (15) to pass through is formed in the surface of the inner fork (5), the driving rod (15) is in sliding connection with the inner fork (5) through the through hole (501), a driving block (20) is fixedly connected to the end part of the driving rod (15), a fixing plate II (21) is fixedly connected to the bottom of the driving block (20), a fixing block is fixedly connected to the bottom of the inner fork (5), a telescopic rod (22) is fixedly connected between the fixing block and the fixing plate II (21), a spring (23) is sleeved on the surface of the telescopic rod (22), and two ends of the spring (23) are fixedly connected with the surface of the fixing block and the surface of the fixing plate II (21) respectively;
the bottom of the inner fork (5) is provided with a notch (502), the rotating shaft (24) is fixedly connected to the inner wall of the notch (502) in a rotating way, the number of the rotating shaft (24) and the number of the supporting plates (26) are two, the rotating shaft and the supporting plates are symmetrically distributed, and inclined surface parts are arranged on the surfaces of the supporting plates (26);
The tooth transmission assembly is arranged on the rotating shaft (24) and connected with the driving block (20) for driving the rotating shaft (24) to rotate;
The tooth transmission assembly comprises a gear (25), the gear (25) is fixedly connected to the surface of the rotating shaft (24), two sliding grooves (503) which are symmetrical respectively are formed in the surface of the fork, sliding blocks (16) are slidably connected in the two sliding grooves (503), a first fixing plate (17) is fixedly connected to the surface of each sliding block (16), a rotating plate (18) is hinged between the first fixing plate (17) and the driving block (20), a tooth row (19) is fixedly connected to the lower surface of each sliding block (16), and the tooth row (19) is meshed with the gear (25);
the fork component (6) comprises a fork driving motor (61) and a fork (62), the fork driving motor (61) is fixedly arranged on the surface of the inner fork (5), the fork driving motor (61) is connected with the fork (62) through milling flat shaft sleeve matched connection, and a fork middle position sensing piece (63) is arranged on the shaft sleeve.
2. The dual reach pinch fork as defined in claim 1, wherein: the inside of the supporting plate (26) is provided with a groove (261).
3. The dual reach pinch fork of claim 2, wherein: the inner wall of the groove (261) is fixedly connected with an electric push rod (262), a telescopic part of the electric push rod (262) is fixedly connected with an adjusting plate (263), and the adjusting plate (263) is in sliding connection with the inner wall of the groove (261).
4. A dual reach pinch fork as defined in claim 3, wherein: the end part of the adjusting plate (263) is positioned outside the supporting plate (26), the end part of the adjusting plate (263) is fixedly connected with a supporting block, and the height of the adjusting plate (263) plus the supporting block is parallel to the supporting plate (26).
5. The dual reach pinch fork of claim 2, wherein: the belt tensioning device is characterized in that the first middle fork (3) and the second middle fork (4) are respectively provided with a modularized belt tensioning device (9), the first middle fork (3) is provided with a traction belt pressing plate (8), and the bottom fork (2) is provided with a limit stop (7).
CN202311601751.4A 2023-11-28 2023-11-28 Double-extension clamping type fork Active CN117416894B (en)

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CN117416894B true CN117416894B (en) 2024-07-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110872082A (en) * 2018-08-30 2020-03-10 沈阳新松机器人自动化股份有限公司 Single deep hooking type pallet fork
CN111169877A (en) * 2018-11-09 2020-05-19 沈阳新松机器人自动化股份有限公司 Double-deep-position hooking fork for stacking machine
CN111675154A (en) * 2020-07-20 2020-09-18 哈工大机器人(山东)物流科技有限公司 Chain transmission telescopic clamping fork
CN213011833U (en) * 2020-07-20 2021-04-20 哈工大机器人(山东)物流科技有限公司 Chain transmission telescopic clamping fork
CN214990061U (en) * 2020-11-27 2021-12-03 米亚斯物流设备（昆山）有限公司 Light-load high-speed clamping type pallet fork
CN216190829U (en) * 2021-11-05 2022-04-05 合肥井松智能科技股份有限公司 Fork with clamping and holding shifting fork

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110872082A (en) * 2018-08-30 2020-03-10 沈阳新松机器人自动化股份有限公司 Single deep hooking type pallet fork
CN111169877A (en) * 2018-11-09 2020-05-19 沈阳新松机器人自动化股份有限公司 Double-deep-position hooking fork for stacking machine
CN111675154A (en) * 2020-07-20 2020-09-18 哈工大机器人(山东)物流科技有限公司 Chain transmission telescopic clamping fork
CN213011833U (en) * 2020-07-20 2021-04-20 哈工大机器人(山东)物流科技有限公司 Chain transmission telescopic clamping fork
CN214990061U (en) * 2020-11-27 2021-12-03 米亚斯物流设备（昆山）有限公司 Light-load high-speed clamping type pallet fork
CN216190829U (en) * 2021-11-05 2022-04-05 合肥井松智能科技股份有限公司 Fork with clamping and holding shifting fork

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