CN212799483U

CN212799483U - Three-way fork truck's fork subassembly

Info

Publication number: CN212799483U
Application number: CN202021513377.4U
Authority: CN
Inventors: 匡代春; 叶青云; 胡刚刚
Original assignee: Ningbo Ruyi JSCL
Current assignee: Ningbo Ruyi JSCL
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-26
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a fork assembly of a three-way forklift, which solves the problems that the fork assembly in the forklift in the prior art can not be adjusted in multiple directions and the adjustment range is difficult to be grasped, the fork assembly of the three-way forklift comprises a fork body, a lifting mechanism, a side-shifting mechanism and a rotating mechanism, and the three-way adjustment of the fork body can be realized by arranging the lifting mechanism, the side-shifting mechanism and the rotating mechanism, so that the adjustment of the fork body is more flexible, the forklift is more convenient to use, meanwhile, a stay wire encoder is arranged in the lifting mechanism, the lifting height of the fork body can be well monitored, a limiting mechanism and an electric induction device are arranged in the side-shifting mechanism, the same can accurately monitor the side-shifting distance of the fork body, can also carry out mechanical limiting and electric limiting on the side-shifting mechanism, and an induction switch, an induction unit and a limiting screw are arranged in the rotating mechanism, can carry out mechanical spacing and electric spacing to the fork body simultaneously, make things convenient for driver's operation and judgement.

Description

Three-way fork truck's fork subassembly

Technical Field

The utility model relates to a fork truck field refers in particular to a three-dimensional fork truck's fork subassembly.

Background

Along with the rapid development of economy, forklifts are applied to a plurality of places such as factories, logistics stations, passenger transport stations and the like, and the forklift industry has a huge market prospect, so that a plurality of companies specially apply certain patents and layouts for the forklift technology, but in the prior art, the forks in the forklift technology are generally only provided with lifting mechanisms for lifting the forks, so that the forks are convenient to insert or move, but the fork flexibility of unidirectional adjustment is not enough, in the existing forklift structure, the adjustment amplitude of the forks cannot be well monitored when the forks are adjusted, the adjustment amplitude of the forks can only be determined by means of feeling, so that abundant driving experience is needed, but when the richer driving experience has judgment errors, the operation is easy to change more complicatedly, and accidents are easy to happen.

Disclosure of Invention

The utility model discloses having considered aforementioned problem and having made, utility model's purpose provides a three-dimensional fork truck's fork subassembly, and the flexibility ratio that the fork was adjusted is enough high, and the fork amplitude of regulation is comparatively directly perceived, convenient operation.

In order to achieve the above object, the utility model provides a three-way fork truck's fork subassembly, include:

a fork body;

the lifting mechanism is used for lifting the fork body, and the fork body is fixed on the lifting mechanism;

the side shifting mechanism is used for side shifting the pallet fork body;

the rotating mechanism is used for rotating the fork body.

According to last three-way fork truck's fork subassembly, hoist mechanism includes support frame, promotion hydro-cylinder and lifting sprocket, it fixes to promote the hydro-cylinder between the support frame, it is provided with the drive shaft and lifting sprocket meets to promote the hydro-cylinder upper end, the support frame both sides are provided with the spout, just support frame one side is provided with the encoder of acting as go-between, is used for detecting the promotion height of fork body.

According to a three-way fork truck's fork subassembly, the fork body includes two forks and connecting plate, two forks are all fixed on the connecting plate, the connecting plate both sides all are provided with first leading wheel, first leading wheel activity card is established in the spout.

According to the fork assembly of the three-way forklift, the lifting chain wheel is provided with the chain, and one end of the chain is provided with the clamping block and is fixedly connected with the connecting plate.

According to a three-way fork truck's fork subassembly, the mechanism of moving of side includes slide, side and moves motor, guiding mechanism and drive gear, be provided with the guide way on the both sides about the slide, just the slide is close to be provided with the rack on one side of fork, drive gear is provided with two, side is moved the motor below and is provided with the axis of rotation, two drive gear all sets up in the axis of rotation, and with rack toothing.

According to last three-way fork truck's fork subassembly, guiding mechanism includes direction wheelset and lower direction wheelset, it establishes to go up direction wheelset activity card in the guide way of slide upside, direction wheelset activity card is established down in the guide way of slide downside, go up the direction wheelset with down the direction wheelset respectively with the both ends of axis of rotation meet, just it meets all to be provided with the connecting block between direction wheelset, lower direction wheelset and the axis of rotation to go up the direction wheelset, down the direction wheelset and the axis of rotation all with connecting block swing joint.

According to the fork assembly of the three-way forklift, the side-moving mechanism further comprises a limiting mechanism and an electric induction device, the limiting mechanism is used for limiting the guide mechanism, and the electric induction device is used for inducing the side-moving length of the side-moving mechanism.

According to the fork assembly of the three-way forklift, the rotating mechanism comprises a rotating oil cylinder, a rotating shaft and a limiting screw, wherein the rotating oil cylinder is arranged below the supporting frame and is connected with the lifting mechanism through the rotating shaft.

According to the fork subassembly of three-way fork truck, rotatory hydro-cylinder with it connects bridge fixed connection to be provided with between the mechanism to move to one side, stop screw sets up connect on the bridge, support frame bottom side is provided with an arc butt piece, arc butt piece is used for the butt stop screw.

According to the fork subassembly of three-way fork truck, be provided with inductive switch on the connecting bridge, be provided with induction element in the arc butt piece, work as induction element moves extremely during the inductive switch top, arc butt piece stop motion.

The utility model discloses following beneficial effect has:

1. the lifting mechanism, the side-moving mechanism and the rotating mechanism are arranged to adjust the pallet fork body in a three-way mode, the adjustment is more flexible, and the forklift can conveniently and flexibly fork the fork connection object.

2. Be provided with the encoder of acting as go-between on the hoist mechanism, the promotion height of can real time monitoring fork body, convenient operation.

3. The side-moving mechanism and the rotating mechanism are both provided with a mechanical limiting mechanism and an electric limiting structure, the limiting effect is good, and the collision can be reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the back structure of the present invention;

fig. 3 is a schematic view of the rotating mechanism and the lifting mechanism of the present invention;

fig. 4 is a schematic structural view of the side shift mechanism of the present invention.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, a three-way forklift fork assembly, comprising:

a fork body 100 for forking goods.

The lifting mechanism 200 is used for lifting the fork body 100, the fork body 100 is fixed on the lifting mechanism 200, when the fork body 100 is attached to the ground, goods can be better forked and loaded, when the fork body 100 is lifted to a proper height, the transportation is more convenient, and the fork body 100 can be prevented from being touched with an object on the ground to cause interference.

The side-shifting mechanism 300 is used for side-shifting the fork body 100, and when the side-shifting mechanism 300 moves the fork body 100, the lifting mechanism 200 and the rotating mechanism 400 are driven to move together.

The rotating mechanism 400 is used for rotating the fork body 100, the rotating mechanism 400 drives the fork body 100 and the lifting mechanism 200 to rotate together, in the scheme, the fork body 100 can be lifted up and down, and can also move horizontally and rotate in the horizontal plane, so that the position of the fork body 100 is convenient to adjust, under certain special conditions, objects can be flexibly forked without moving the position of the fork, and the operation is more flexible.

Preferably, the lifting mechanism 200 includes a support frame 210, a lifting cylinder 220 and a lifting chain wheel 230, the lifting cylinder 220 is fixed between the support frames 210, the upper end of the lifting cylinder 220 is provided with a driving shaft connected with the lifting chain wheel 230, two sides of the support frame 210 are provided with sliding grooves 211, and one side of the support frame 210 is provided with a pull encoder 240 for detecting the height of the lifting chain wheel 230, so that when the lifting mechanism works, the lifting cylinder 220 drives the lifting chain wheel 230 to move up and down through the driving shaft, and the support frame 210 and the lifting cylinder 220 do not move.

Further preferably, the fork body 100 includes two forks 110 and a connecting plate 120, the two forks 110 are both fixed on the connecting plate 120, the first guide wheels 121 are disposed on both sides of the connecting plate 120, and the first guide wheels 121 are movably clamped in the sliding groove 211, so that the first guide wheels 121 roll in the sliding groove 211 and move upward along the direction of the sliding groove 211 only by driving the connecting plate 120 to move upward.

Further preferably, a chain is arranged on the lifting chain wheel 230, one end of the chain is provided with a clamping block 231a and is fixedly connected with the connecting plate 120, when the lifting chain wheel 230 moves upwards, the chain is driven to move upwards, the clamping block 231a arranged at the lower end of the chain drives the connecting plate 120 to move upwards, and further drives the two forks 110 to move upwards, the height of the fork body 100 is lifted, when the fork body 100 is required to descend, only the driving shaft is required to descend, the fork body 100 loses the support, the gravity of the fork body also descends, the same is achieved, in the application, the lifting height of the lifting chain wheel 230 is determined by the lifting height of the fork body 100, and the lifting height of the fork body 100 can be monitored in real time through the stay wire encoder 240.

In this embodiment, a spool is further disposed below the cable encoder 240, the spool provides a cable for the cable encoder 240, and a return mechanism is disposed on the spool, so that the spool can rewind the released cable after the lifting sprocket 230 descends.

Preferably, the side-moving mechanism 300 comprises a sliding plate 310, a side-moving motor 320, a guide mechanism 330 and a driving gear 340, wherein guide grooves 311 are formed on the upper side and the lower side of the sliding plate 310, a rack 312 is formed on one side of the sliding plate 310 close to the fork, two driving gears 340 are arranged, a rotating shaft 321 is arranged below the side-moving motor 320, the two driving gears 340 are arranged on the rotating shaft 321 and meshed with the rack 312, the side-moving motor 320 drives the rotating shaft 321 to rotate, the rotating shaft 321 rotates to drive the driving gears 340 to rotate, and when the driving gears 340 are meshed with the rack 312, the rotation is converted into translation, namely the driving gears 340 move on the sliding plate 310 along the direction of the rack 312 and also drive the side-moving motor 320 and the guide.

Preferably, in this embodiment, the driving gears 340 are vertically distributed on the rotation shaft 321, rotate synchronously, and mesh with the racks 312 disposed on the upper and lower sides of the sliding plate 310, respectively, so that the driving effect is better.

Further preferably, the guide mechanism 330 includes an upper guide wheel set 331 and a lower guide wheel set 332, the upper guide wheel set 331 is movably clamped in the guide groove 311 on the upper side of the sliding plate 310, the lower guide wheel set 332 is movably clamped in the guide groove 311 on the lower side of the sliding plate 310, the upper guide wheel set 331 and the lower guide wheel set 332 are respectively connected to two ends of the rotating shaft 321, connecting blocks 333 are respectively arranged between the upper guide wheel set 331 and the rotating shaft 321 and between the lower guide wheel set 332 and the rotating shaft 321, the upper guide wheel set 331, the lower guide wheel set 332 and the rotating shaft 321 are movably connected to the connecting blocks 333, the upper guide wheel set 331 and the lower guide wheel set 332 both play a role in guiding and also play a role in limiting, and it is ensured that the driving gear 340 and.

Further preferably, the side-shifting mechanism 300 further comprises a limiting mechanism 350 and an electric sensing device, the limiting mechanism 350 is a limiting guide mechanism 330, and the electric sensing device is used for sensing the side-shifting length of the side-shifting mechanism 300, in this embodiment, the limiting mechanism 350 is provided as two limiting plates and is arranged at two ends of the upper side of the sliding plate 310, a fixture block 351 extends out of the outer side of the connecting block 333, when the upper guide wheel set 331 moves to two ends of the guide groove 311, the fixture block 351 abuts against the limiting plates and cannot move outwards continuously to perform a mechanical limiting, and simultaneously, the electric sensing device can perform an electric limiting on the side-shifting mechanism 300 while feeding back the side-shifting length of the side-shifting mechanism 300 to prevent strong impact on the limiting plates.

Preferably, the rotating mechanism 400 includes a rotating cylinder 410, a rotating shaft and a limit screw 420, the rotating cylinder 410 is disposed under the supporting frame 210 and connected to the lifting mechanism 200 through the rotating shaft, the rotating cylinder 410 drives the rotating shaft to rotate, so as to drive the whole lifting mechanism 200 to move together, and since the fork body 100 is mounted on the lifting mechanism 200, the fork body 100 can be driven to rotate together.

Further preferably, a connecting bridge 430 is fixedly connected between the rotary cylinder 410 and the side shift mechanism 300, the limit screw 420 is arranged on the connecting bridge 430, an arc-shaped abutting block 212 is arranged on the side surface of the bottom of the support frame 210, the arc-shaped abutting block 212 is used for abutting against the limit screw 420, the support frame 210 rotates along with the rotation of the rotary shaft, but in order to limit the rotating amplitude of the support frame 210, when the support frame 210 rotates to the extent that the arc-shaped abutting block 212 is connected with the limit screw 420, the support frame 210 cannot continue to rotate along the direction, and similarly, a connecting bridge 430 is arranged between the rotary cylinder 410 and the side wing mechanism, when the side shift mechanism 300 works, the rotary mechanism 400, the lifting mechanism 200 and the fork body 100 are driven to move together through the connecting bridge 430.

Be provided with inductive switch 431 on the connecting bridge 430, be provided with the induction element in the arc butt piece 212, when induction element moved to inductive switch 431 top, arc butt piece 212 stop motion is provided with inductive switch 431 for it is spacing to electrically in order to avoid arc butt piece 212 to extrude stop screw 420 always.

The utility model provides a pair of three-dimensional fork truck's fork subassembly, through setting up hoist mechanism, side mechanism and rotary mechanism of moving, the three-dimensional regulation that can realize the fork body, make the regulation of fork body more nimble, fork truck's use is more convenient, be provided with the encoder of acting as go-between in the hoist mechanism simultaneously, the promotion height of control fork body that can be fine, be provided with stop gear and electric induction system in the mechanism is moved to the side, the same can be to the side of fork body move the distance and carry out accurate control, it is spacing with the electricity also to move the mechanism to the side, be provided with inductive switch again in rotary mechanism, inductance unit and stop screw, it is spacing with the electricity to carry out machinery simultaneously to the fork body, make things convenient for driver's operation and judgement.

The technical solutions of the present invention have been described in detail with reference to the accompanying drawings, and the described embodiments are used to help understand the ideas of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the claims.

Claims

1. A three-way forklift fork assembly, comprising:

a fork body;

the lifting mechanism is used for lifting the fork assembly, and the fork body is fixed on the lifting mechanism;

the side shifting mechanism is used for side shifting the pallet fork body;

the rotating mechanism is used for rotating the fork body.

2. The fork assembly of claim 1, wherein the lifting mechanism comprises support frames, lifting cylinders and lifting sprockets, the lifting cylinders are fixed between the support frames, the upper ends of the lifting cylinders are provided with driving shafts connected with the lifting sprockets, sliding grooves are formed in two sides of each support frame, and a stay wire encoder is arranged on one side of each support frame and used for detecting the lifting height of the fork body.

3. The fork assembly of claim 2, wherein said fork body comprises two forks and a connecting plate, said two forks being secured to said connecting plate, said connecting plate having first guide wheels disposed on opposite sides thereof, said first guide wheels being movably captured within said slide slots.

4. The fork assembly of claim 3, wherein said lifting sprocket has a chain with a gripping block at one end for fixedly engaging said connecting plate.

5. The fork assembly of claim 1, wherein the side shift mechanism comprises a slide plate, a side shift motor, a guide mechanism and a drive gear, wherein guide grooves are formed in the upper and lower sides of the slide plate, a rack is formed on the side of the slide plate close to the fork, two drive gears are arranged, a rotating shaft is arranged below the side shift motor, and both of the two drive gears are arranged on the rotating shaft and meshed with the rack.

6. The three-way forklift fork assembly as claimed in claim 5, wherein the guiding mechanism comprises an upper guiding wheel set and a lower guiding wheel set, the upper guiding wheel set is movably clamped in the guiding groove on the upper side of the sliding plate, the lower guiding wheel set is movably clamped in the guiding groove on the lower side of the sliding plate, the upper guiding wheel set and the lower guiding wheel set are respectively connected with two ends of the rotating shaft, connecting blocks are arranged between the upper guiding wheel set, the lower guiding wheel set and the rotating shaft, and the upper guiding wheel set, the lower guiding wheel set and the rotating shaft are movably connected with the connecting blocks.

7. The fork assembly of a three-way forklift of claim 5, wherein said side-shifting mechanism further comprises a limit mechanism for limiting said guide mechanism and an electric sensing device for sensing the side-shifting length of said side-shifting mechanism.

8. The fork assembly of claim 2, wherein said swivel mechanism comprises a swivel cylinder, a swivel shaft and a stop screw, said swivel cylinder being disposed below said carriage and connected to said lifting mechanism via said swivel shaft.

9. The fork assembly of claim 8, wherein a connecting bridge is fixedly connected between the rotary cylinder and the side-shifting mechanism, the limit screw is disposed on the connecting bridge, and an arc-shaped abutting block is disposed on a side surface of a bottom of the supporting frame and is used for abutting against the limit screw.

10. The fork assembly of claim 9, wherein the bridge has an inductive switch disposed thereon, and wherein the arcuate abutment block has an inductive element disposed therein, wherein the arcuate abutment block stops moving when the inductive element moves above the inductive switch.