CN214734219U

CN214734219U - Pallet forklift capable of loading and unloading goods quickly

Info

Publication number: CN214734219U
Application number: CN202120399523.3U
Authority: CN
Inventors: 梁丰会
Original assignee: Sichuan Geding Technology Co Ltd
Current assignee: Sichuan Geding Technology Co Ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-11-16
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a tray fork truck of fast loading and unloading goods relates to commodity circulation transportation technical field, including crotch, hoisting frame and discharge devices, sliding connection has the hoisting frame on the crotch, and the hoisting frame can remove along z axle direction, and the bottom of hoisting frame is fixed with the prong, is provided with discharge devices on the hoisting frame, and discharge devices is located the top of prong, and discharge devices supports or unloads the goods on the prong through the back-and-forth movement. The fork teeth are obliquely arranged, and the height of one end, fixed by the fork teeth and the lifting frame, of the fork teeth is lower than that of the other end of the fork teeth, so that goods have a movement trend close to the fork frame on the fork teeth, when the goods are vibrated, the goods on the fork teeth can move close to the fork frame, the situation that the goods fall off due to the fact that the goods do not move outwards is avoided, meanwhile, the fork teeth are supported through the unloading device, and the goods on the fork teeth are transported more stably.

Description

Pallet forklift capable of loading and unloading goods quickly

Technical Field

The utility model relates to a commodity circulation transportation technical field specifically is a tray fork truck of fast loading and unloading goods.

Background

Forklifts have an irreplaceable role in modern logistics technology. The main function of fork truck is for stacking and shifting the goods, and fork truck when goods stack, the jack-up system often need to accomplish preceding, hypsokinesis action and side and move the action. The lifting system is driven to tilt forwards and backwards through the reciprocating motion of the extension and retraction of a piston rod of a tilting oil cylinder connected with the lifting system. When the goods are lifted to the highest point, the forward-tilting hoisting system can greatly enlarge the distance between the center of gravity of the goods and the center of a front wheel of the forklift (the center of the front wheel of the forklift is a balanced fulcrum of the whole forklift), so that the stability of the whole forklift is reduced. In order to complete the movement of the lifting system for moving the goods laterally, a side shifter is generally assembled, and the fork can be moved leftwards and rightwards by the movement of the side shifter, namely the forward and backward tilting movement and the side shifting movement of the lifting system are completed by two devices.

Most of the existing fork arms of the forklift are plane fork arms or cylindrical round teeth, and the fork arms are easy to shake in the process of transporting goods, so that the goods on the fork arms tilt forward, and fall off from the fork arms easily, so that the goods are damaged, and the transportation efficiency is influenced; meanwhile, the existing fork lifting mechanism is complex in structure and poor in stability, so that the lifting vibration is large, and the falling of the goods is easily caused by the vibration generated in the process of lifting or lowering the fork.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a tray fork truck of fast loading and unloading goods, the lift through the hoisting frame drives the whole lift of goods, makes the rise and the decline of goods more will be stable, makes the goods on the prong receive the vibration to be difficult for dropping, unloads the goods on the prong through discharge attachment simultaneously, has realized unloading fast.

The purpose of the utility model is realized through the following technical scheme: a pallet forklift capable of quickly loading and unloading goods comprises a fork frame, a lifting frame and an unloading device, wherein the lifting frame is connected to the fork frame in a sliding mode and can move in the z-axis direction, fork teeth are fixed to the bottom of the lifting frame, the unloading device is arranged on the lifting frame and located above the fork teeth, and the unloading device supports or unloads the goods on the fork teeth through front and back movement.

Adopt above-mentioned technical scheme's effect to do, make discharge devices support the one end of goods, support the goods through discharge devices, make the more stable of freight on the prong, push down the goods through discharge devices when needing to unload simultaneously, realized unloading fast, improved freight's stability and security greatly, improved discharge efficiency simultaneously.

Furthermore, a fixed frame is fixed to the top of the fork frame, the lifting frame is in sliding connection with the fixed frame through a lifting mechanism, first air cylinders are arranged on two sides of the lifting frame, the bottom of each first air cylinder is hinged to the fork frame through a support, and a telescopic shaft of each first air cylinder is hinged to the side wall of the lifting frame.

Further, hoist mechanism includes connecting rod and fixed plate, the equal vertical spout of having seted up in two inboard relative fixed frames, the both ends of connecting rod slidable respectively set up in the spout, be fixed with on the hoisting frame the fixed plate, be fixed with the ear seat on the fixed plate, the fixed cover of ear seat is established on the connecting rod.

Furthermore, the two ends of the connecting rod are rotatably connected with idler wheels, and the idler wheels are arranged in the sliding grooves in a rolling mode.

Furthermore, the unloading device comprises a propelling disc and two scissor structures, the two scissor structures are arranged on the inner side of the lifting frame in a bilateral symmetry mode, the top of one end of each scissor structure is connected with the lifting frame in a sliding mode, the bottom of one end of each scissor structure is hinged to the lifting frame, the top of the other end of each scissor structure is connected with the propelling disc in a sliding mode, the bottom of the other end of each scissor structure is hinged to the propelling disc, and a driving device is arranged between the two scissor structures.

Furthermore, the driving device comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is close to the lifting frame, two ends of the first rotating shaft are respectively connected with the two scissor structures in a rotating mode, the second rotating shaft is close to the propulsion disc, two ends of the second rotating shaft are respectively connected with the two scissor structures in a rotating mode, a second air cylinder is arranged on the first rotating shaft, and a telescopic shaft of the second air cylinder is connected with the second rotating shaft.

Further, the lifting mechanism is provided with two, two the lifting mechanism along the direction of height interval setting of fixed frame.

The utility model has the advantages that:

1. make discharge devices support the one end of goods, support the prong through discharge devices, make the more stable of freight on the prong, push down the goods through discharge devices when needing to unload simultaneously, realized unloading fast, improved freight's stability and security greatly, improved unloading efficiency simultaneously.

2. The telescopic lifting frame driven by the first cylinder moves up and down along the z-axis direction, and the motion of the lifting frame is more stable due to the matching of the connecting rod and the sliding groove, so that the vibration of the fork teeth during moving up and down is reduced, the influence of the vibration on the goods is reduced, and meanwhile, the condition that the goods fall down due to the vibration is avoided.

Drawings

FIG. 1 is a perspective view of a pallet truck for rapid loading and unloading of goods in accordance with the present invention;

FIG. 2 is a front view of a pallet truck for rapid loading and unloading of goods in accordance with the present invention;

FIG. 3 is a top view of a pallet truck for quickly loading and unloading goods in accordance with the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

in the figure, 1-fork frame, 2-lifting frame, 3-fork arm, 4-fixing frame, 5-first air cylinder, 6-support, 7-sliding groove, 8-connecting rod, 9-fixing plate, 10-lug seat, 11-roller, 12-propelling disc, 13-scissor structure, 14-first rotating shaft, 15-second rotating shaft and 16-second air cylinder.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in fig. 1 to 4, a pallet forklift for fast loading and unloading goods comprises a fork frame 1, a lifting frame 2 and an unloading device, wherein the lifting frame 2 is connected onto the fork frame 1 in a sliding manner, the lifting frame 2 can move along the z-axis direction, fork teeth 3 are fixed at the bottom of the lifting frame 2, the unloading device is arranged on the lifting frame 2 and is positioned above the fork teeth 3, and the unloading device supports or unloads goods on the fork teeth 3 through moving back and forth. In specific implementation, the fork teeth 3 are obliquely arranged, and the height of one end, fixed by the fork teeth 3 and the lifting frame 2, of the fork teeth 3 is lower than that of the other end of the fork teeth, so that goods have a movement trend close to the fork frame 1 on the fork teeth 3, when the fork teeth are vibrated, the goods on the fork teeth 3 can move close to the fork frame 1, the situation that no goods fall off due to outward movement of the goods is avoided, meanwhile, the fork teeth 3 are supported by the unloading device, so that the goods on the fork teeth 3 are more stably transported, meanwhile, the goods are pushed down by the unloading device when the goods need to be unloaded, the quick unloading is realized, the stability and the safety of the goods transportation are greatly improved, and the unloading efficiency is improved; the fork tine 3 can also adopt a structure with a trapezoidal side section, so that the upper surface of the fork tine 3 is an inclined plane, and the height of the upper surface of the fork tine 3 close to one end of the fork frame 1 is lower than that of the upper surface of the fork tine 3 at the other end, so that goods on the fork tine 3 have a movement tendency close to the fork frame 1; simultaneously, the fork teeth 3 are inclined by matching with the self-inclination function of the forklift, so that the goods are prevented from sliding off.

Further, as shown in fig. 1 and 2, the top of fork frame 1 is fixed with fixed frame 4, hoist frame 2 passes through hoist mechanism and fixed frame 4 sliding connection, hoist frame 2's both sides all are provided with first cylinder 5, the bottom of first cylinder 5 is passed through support 6 and is articulated with fork frame 1, the telescopic shaft of first cylinder 5 is articulated with the lateral wall of hoist frame 2, hoist mechanism includes connecting rod 8 and fixed plate 9, the equal vertical spout 7 of having seted up in two inboard that fixed frame 4 is relative, the both ends of connecting rod 8 slidable respectively set up in spout 7, be fixed with fixed plate 9 on hoist frame 2, be fixed with ear seat 10 on fixed plate 9, ear seat 10 fixed cover is established on connecting rod 8. Flexible drive hoisting frame 2 through first cylinder 5 reciprocates along the z axle direction, and the adaptation through connecting rod 8 and spout 7 makes hoisting frame 2's motion more stable to reduce the vibrations of prong 3 when reciprocating, reduce the influence of vibrations to the goods, avoid the condition that the goods falls because of vibrations simultaneously.

Further, as shown in fig. 3 and 4, both ends of the connecting rod 8 are rotatably connected with rollers 11, and the rollers 11 are rotatably disposed in the sliding groove 7. The connecting rod 8 is driven to move in the sliding groove 7 through rolling of the roller 11 in the sliding groove 7, ascending or descending of the lifting frame 2 is achieved, sliding friction between the connecting rod 8 and the sliding groove 7 is changed into rolling friction through the roller 11, and therefore friction force received when the lifting mechanism moves is reduced, movement of the lifting mechanism is more stable, vibration of the fork teeth 3 when moving is reduced, and influence of vibration on goods on the fork teeth 3 is avoided.

Further, as shown in fig. 1 and fig. 2, the unloading device includes a pushing tray 12 and two scissor structures 13, the two scissor structures are symmetrically arranged on the inner side of the lifting frame 2, the top of one end of the scissor structure 13 is slidably connected with the lifting frame 2, the bottom of one end of the scissor structure 13 is hinged with the lifting frame 2, the top of the other end of the scissor structure 13 is slidably connected with the pushing tray 12, the bottom of the other end of the scissor structure 13 is hinged with the pushing tray 12, a driving device is arranged between the two scissor structures 13, the driving device includes a first rotating shaft 14 and a second rotating shaft 15, the first rotating shaft 14 is arranged near the lifting frame 2, two ends of the first rotating shaft are respectively rotatably connected with the two scissor structures 13, the second rotating shaft 15 is arranged near the pushing tray 12, two ends of the second rotating shaft are respectively rotatably connected with the two scissor structures 13, a second cylinder 16 is arranged on the first rotating shaft 14, a telescopic shaft of the second cylinder 16 is connected with the second rotating shaft 15, the lifting mechanisms are two and are arranged at intervals along the height direction of the fixed frame 4. The scissor structure 13 is driven to extend and contract through the extension of the second air cylinder 16, so that the propulsion disc 12 is driven to move forwards or backwards, when goods are transported, the second air cylinder 16 drives the scissor structure 13 to contract, the propulsion disc 12 moves backwards, the goods on the fork teeth 3 are supported through the propulsion disc 12, the goods are prevented from moving close to the fork frame 1 in the transportation process through the support of the propulsion disc 12, when the goods need to be unloaded, the second air cylinder 16 drives the scissor structure 13 to expand, the propulsion disc is driven to move forwards, the goods on the fork teeth 3 are quickly unloaded, and the unloading efficiency is improved. The unloading device is the prior art, and specifically refers to issued patents: CN201922057774.9 discloses a fork truck fork frame advancing device with side function of moving, this advancing device's structure is the same with discharge devices's structure, and this application has added hoist mechanism on the basis of above-mentioned patent to improve the stability of prong 3 motion, improved the fork truck shape in the above-mentioned patent simultaneously, avoided fork truck to transport the in-process goods and fallen from prong 3, improved the stability of transportation, avoided the influence of vibration to goods transportation.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The pallet forklift capable of quickly loading and unloading goods is characterized by comprising a fork frame (1), a lifting frame (2) and an unloading device, wherein the lifting frame (2) is connected onto the fork frame (1) in a sliding mode, the lifting frame (2) can move in the z-axis direction, fork teeth (3) are fixed at the bottom of the lifting frame (2), the unloading device is arranged on the lifting frame (2), the unloading device is located above the fork teeth (3), and the unloading device supports or unloads the goods on the fork teeth (3) through front and back movement.

2. A pallet fork lift for rapid loading and unloading of goods as claimed in claim 1, characterized in that a fixed frame (4) is fixed on top of said fork carriage (1), said lifting frame (2) is slidably connected with said fixed frame (4) by a lifting mechanism, both sides of said lifting frame (2) are provided with a first cylinder (5), the bottom of said first cylinder (5) is hinged with said fork carriage (1) by a support (6), and the telescopic shaft of said first cylinder (5) is hinged with the side wall of said lifting frame (2).

3. The pallet fork truck for fast loading and unloading of goods according to claim 2, characterized in that the lifting mechanism comprises a connecting rod (8) and a fixing plate (9), sliding grooves (7) are vertically formed on two opposite inner sides of the fixing frame (4), two ends of the connecting rod (8) are slidably arranged in the sliding grooves (7) respectively, the fixing plate (9) is fixed on the lifting frame (2), lug seats (10) are fixed on the fixing plate (9), and the lug seats (10) are fixedly sleeved on the connecting rod (8).

4. A pallet fork lift truck as claimed in claim 3, characterized in that the connecting rod (8) is rotatably connected at both ends with rollers (11), said rollers (11) being rollably disposed in said runners (7).

5. A pallet fork lift truck for rapid loading and unloading of goods according to claim 1, characterized in that the unloading device comprises a propulsion disc (12) and two scissor structures (13) arranged bilaterally symmetrically inside the lifting frame (2), the top of one end of the scissor structures (13) is slidably connected to the lifting frame (2), the bottom of one end of the scissor structures (13) is hinged to the lifting frame (2), the top of the other end of the scissor structures (13) is slidably connected to the propulsion disc (12), the bottom of the other end of the scissor structures (13) is hinged to the propulsion disc (12), and a driving device is arranged between the two scissor structures (13).

6. A pallet fork lift truck as claimed in claim 5, characterized in that said drive means comprise a first rotary shaft (14) and a second rotary shaft (15), said first rotary shaft (14) being arranged close to said lifting frame (2) and being rotatably connected at both ends to said two scissor structures (13), respectively, said second rotary shaft (15) being arranged close to said propulsion disc (12) and being rotatably connected at both ends to said two scissor structures (13), respectively, said first rotary shaft (14) being provided with a second cylinder (16), the telescopic shaft of said second cylinder (16) being connected to said second rotary shaft (15).

7. A pallet fork lift truck as claimed in claim 3, characterized in that there are two of said lifting mechanisms, two of said lifting mechanisms being spaced apart along the height of said fixed frame (4).