CN201280416Y

CN201280416Y - Suspension type side-shifting distance-regulating fork

Info

Publication number: CN201280416Y
Application number: CNU2008201615094U
Authority: CN
Inventors: 包训权
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-18
Filing date: 2008-10-18
Publication date: 2009-07-29
Anticipated expiration: 2018-10-18

Abstract

A suspension type side shifter distance adjustment fork belongs to the technical field of special tools of a forklift, and aims to provide a suspension type side shifter distance adjustment fork which has the characteristics of simple structure, light weight, and good synchronization performance, and does not need to install a serial shaft fork. The fork is suitable for forklifts with large or small tonnages and has the technical points that the cylinder body of a side shift oil cylinder (7) is fixedly connected to a hanging plate (6) and an outer fork frame is mounted in a matched and superposition manner on the hanging plate (6); piston rods at two ends of the side shift oil cylinder prop against an oil cylinder seat (5) fixed on the lower end surface of an upper beam (3) of the outer fork frame; under the driving of hydraulic pressure, the side shift oil cylinder drives the outer fork frame to conduct leftward or rightward side shift on the hanging plate; an upper chain and a lower chain (21) are wound between two chain wheels (20) and connected with chain connecting pieces fixed on the back sides of a left plectrum plate and a right plectrum plate (22), so that the chains form a close circuit in serial connection; a distance adjustment oil cylinder (23) is utilized to drive the right plectrum plate; and the transmission effect of the chains is utilized to ensure that the left plectrum plate and the right plectrum plate can conduct synchronous inward or outward distance adjustment.

Description

Suspension type sidesway roll adjustment fork

Technical field

The utility model relates to the special-purpose accessory of a kind of fork truck, particularly makes the pallet fork integral left move right, adjust the pallet fork spacing by hydraulic-driven, thus the suspension type sidesway roll adjustment fork that is used for lift truck attachment that makes things convenient for the goods fork to get and stack.

Background technology

Chinese patent 200620068433.1 discloses a kind of integral side displacement range regulation fork of large tonnage fork lift, this integral side displacement range regulation roll adjustment fork comprises interior goods shelf, preceding goods shelf and two pallet forks, preceding goods shelf is for falling a door shape, its middle part level is provided with pallet fork load-bearing axle, and two pallet fork tops are socketed in respectively on the pallet fork load-bearing axle.The rear portion of goods shelf before interior goods shelf vertically is positioned at, interior goods shelf upper level welding axle sleeve, plug-in mounting load-bearing axle in the axle sleeve, load-bearing axle two ends are fixedly connected on respectively on the both sides upright arm of preceding goods shelf, load-bearing axle parallel beneath is provided with the sidesway oil cylinder, the upright arm of goods shelf one side before the head sections of sidesway oil cylinder connects, the afterbody end connecting bushing outside.Goods shelf before the sidesway oil cylinder promotes by moving load-bearing axle and cooperating of axle sleeve, can be realized sliding with respect to the left and right sidesway of interior goods shelf.The upright arm inboard, both sides of preceding goods shelf connects the afterbody of a roll adjustment oil cylinder respectively, the head end of left side roll adjustment oil cylinder is connected with right fork, the head of right side roll adjustment oil cylinder is connected with left pallet fork, and left and right roll adjustment oil cylinder can promote the roll adjustment function that left and right pallet fork is inwardly realized simultaneously, outwards slided on the load-bearing axle.Front overhang is little though this integral side displacement range regulation roll adjustment fork has, and load-carrying capacity is big, and the advantage of compact conformation etc., its structure are comparatively complicated, and net synchronization capability is poor.

Summary of the invention

The purpose of this utility model provide a kind of simple in structure, in light weight, net synchronization capability is good and easy for installation, need not to install string shaft type pallet fork, is applicable to the suspension type sidesway roll adjustment fork that big or small tonnage fork truck uses.

Its technical scheme is: a kind of suspension type sidesway roll adjustment fork, comprise outer crotch, link plate, sidesway oil cylinder, roll adjustment oil cylinder, sprocket wheel, chain, dial plate, oil pipe and safety valve, it is characterized in that: two of the back side fixed interval of the entablatrance in the outer crotch exceed its top, cross-sectional plane is going up of approximate " 7 " font and links up with, fitting respectively in the hook groove of last hook the link plate that a cross-sectional plane is approximate " 7 " font is installed, captives joint with the cylinder part of sidesway oil cylinder in the bottom of link plate; The piston rod end at the left and right two ends of sidesway oil cylinder is welded with undersetting with the back side that is symmetricly set on the oil cylinder seat butt cross sill on the entablatrance lower surface respectively, and entablatrance and cross sill both sides are respectively arranged with side plate;

The inboard, middle part of outer crotch both sides side plate is symmetrically installed with sprocket wheel; Be symmetrically arranged with guide rail on lower surface, entablatrance front side and the upper surface, cross sill front side, coupling is installed left and right two and is dialled plate on the guide rail; The upper and lower chain that is looped around between two sprocket wheels is connected with the chain connector that is fixed on left and right group of backboard face respectively; Be horizontally installed with the roll adjustment oil cylinder on the upper surface of the inboard bonded assembly cross sill of left side board, the piston rod end of roll adjustment oil cylinder is connected and fixed with being fixed on the right piston rod attaching parts of dialling the backboard face, forms the closed loop of connecting.

Its technique effect is: the utility model is owing to the cylinder body of captive joint sidesway oil cylinder on link plate, and crotch outside the coupling stack is installed on link plate, with the piston rod at sidesway oil cylinder two ends respectively with the lower surface that is fixed on outer crotch entablatrance on the oil cylinder seat butt, so work as the sidesway oil cylinder under the driving action of hydraulic pressure, promote sidesway oil cylinder piston bar and move to the left or to the right, drive simultaneously outer crotch on link plate to the right or sidesway left; Simultaneously, be looped around between two sprocket wheels upper and lower chain respectively be fixed on the left and right group of chain connector on the backboard face and be connected, make chain form a closed loop that is connected in series, and adopt the roll adjustment hydraulic oil cylinder driving right side to dial plate, thereby, make left and right group of plate can make synchronous inside or outside distance adjustment by the gearing of chain.Therefore, realized the purpose of distance adjustment between the left and right sidesway of outer crotch and the pallet fork.In addition, the utlity model has simple in structure, in light weight, easy for installation, need not to install characteristics such as string shaft type pallet fork, stability and fastness and net synchronization capability are good, be applicable to the fork truck use of big or small tonnage.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is that the A of Fig. 1 is to lateral plan.

The specific embodiment

As shown in Figure 1, 2, a kind of suspension type sidesway roll adjustment fork comprises outer crotch, link plate, sidesway oil cylinder, roll adjustment oil cylinder, sprocket wheel, chain, dials plate, oil pipe and safety valve.Outer crotch is made of entablatrance, cross sill, last hook, undersetting, oil cylinder seat and side plate.The two ends of entablatrance 3 and cross sill 1 are connected with side plate 2 respectively, form a tower structure.Two of the back side fixed interval of entablatrance exceed the entablatrance top, cross-sectional plane is going up of approximate " 7 " font and links up with 4, fit respectively in the hook groove of last hook the link plate 6 that a cross-sectional plane is approximate " 7 " font is installed.Captive joint with the cylinder part of sidesway oil cylinder 7 in the bottom of link plate, piston rod 10 terminations at the left and right two ends of sidesway oil cylinder respectively with oil cylinder seat 5 butts that are symmetricly set on the entablatrance lower surface.Under the driving action of sidesway oil cylinder at hydraulic pressure, make piston rod move to the left or to the right, drive simultaneously outer crotch on link plate to the right or be moved to the left.The back side of cross sill is welded with undersetting 8.Coupling is equipped with nylon slide block 11 in the last hook hook groove, is connected to realize that hook mates with the flexibility between the link plate.

The inboard, middle part of the both sides side plate 2 of outer crotch is symmetrically installed with between sprocket wheel 20, two sprocket wheels by chain 21 around connection.Be symmetrically arranged with guide rail on outer lower surface, crotch entablatrance front side and the upper surface, cross sill front side, coupling is equipped with the left and right two groups of plates 22 that are used for firm pallet fork on the guide rail.Be looped around between two sprocket wheels upper and lower chain respectively be fixed on the left and right group of chain connector on the backboard face and be connected, make chain form a closed loop that is connected in series.Be horizontally installed with roll adjustment oil cylinder 23 on the rear side end face of the inboard bonded assembly cross sill of left side board, piston rod 24 ends of roll adjustment oil cylinder head be fixed on the right piston rod attaching parts of dialling the backboard face and be connected and fixed.Under the driving action of roll adjustment oil cylinder at hydraulic pressure, make the piston rod of roll adjustment oil cylinder do the action stretch out or shrink, thereby drive and rightly to dial that plate is done to the right or moving left, under the effect that forms closed loop bonded assembly chain, make left and right group of plate can make synchronous inside or outside distance adjustment.

Oil inlet on the roll adjustment oil cylinder 23 and oil outlet are respectively by interface corresponding be connected of oil pipe 25 with safety valve 26.Safety valve is installed on the valve plate 27, and valve plate is fastened on the upper surface of left link plate attaching parts.

The hook 12 of one approximate " mouth " font is set on the link plate, is used for the lifting of sidesway roll adjustment fork is installed to the goods shelf of fork truck.

Claims

1, a kind of suspension type sidesway roll adjustment fork, comprise outer crotch, link plate, sidesway oil cylinder, roll adjustment oil cylinder, sprocket wheel, chain, dial plate, oil pipe and safety valve, it is characterized in that: the two ends of entablatrance (3) and cross sill (1) are connected with side plate (2) respectively, form a tower structure; Two of the back side fixed interval of the entablatrance in the outer crotch (3) entablatrance exceed its top, cross-sectional plane is going up of approximate " 7 " font and links up with (4), fit respectively in the hook groove of last hook the link plate (6) that a cross-sectional plane is approximate " 7 " font is installed; The bottom of link plate is connected and fixed by the cylinder part of cylinder body attaching parts and sidesway oil cylinder (7), piston rod (10) termination at the left and right two ends of sidesway oil cylinder respectively with oil cylinder seat (5) butt that is symmetricly set on the entablatrance lower surface; The back side of cross sill is welded with undersetting (8);

The inboard, middle part of outer crotch both sides side plates (2) is symmetrically installed with sprocket wheel (20); Lower surface, entablatrance front side and cross sill (1) are symmetrically arranged with guide rail on the upper surface, front side, and coupling is installed left and right two and dialled plate (22) on the guide rail; Be looped around between two sprocket wheels upper and lower chain (21) respectively be fixed on left and right group of plate (22) back side on chain connector be connected; Be horizontally installed with roll adjustment oil cylinder (23) on the upper surface of the inboard bonded assembly cross sill of left side board, the piston rod of roll adjustment oil cylinder (24) end is connected and fixed with being fixed on the right piston rod attaching parts of dialling the backboard face, makes chain form a closed loop that is connected in series.

2, a kind of suspension type sidesway roll adjustment fork according to claim 1, it is characterized in that: coupling is equipped with nylon slide block (11) between in link plate and the last pocket for the punch head.

3, a kind of suspension type sidesway roll adjustment fork according to claim 1, it is characterized in that: the oil inlet on the roll adjustment oil cylinder (23) is connected by the corresponding interface of oil pipe (25) with safety valve (26) respectively with oil outlet.

4, according to claim 1 or 3 described a kind of suspension type sidesway roll adjustment forks, it is characterized in that: safety valve (26) is installed on the valve plate (27), and valve plate is fixed on the upper surface of link plate attaching parts.