CN205590233U - Stable freight forklift - Google Patents

Abstract

The utility model discloses a stable cargo forklift, which comprises a body body, a base, a base guide rail, a cargo fork, a lifting frame and a hydraulic oil cylinder. The body body is fixed on the rear end of the base, and a control switch panel and a Observation screen, the base is fixed with a base guide rail, the base guide rail is slidingly connected with the lifting frame, one end of the hydraulic cylinder is hinged with the lifting frame, the other end is connected with the body body with bolts, and the front end of the lifting frame is slidingly connected with a fork. The lower part of the fork fixing frame is equipped with multiple forks, the upper part of the lifting frame is equipped with a rotating shaft, and the chain winding drum is installed on the rotating shaft. The fork fixing frame and the chain winding drum are connected by a lifting chain, and the two ends of the rotating shaft Each is connected with a motor, and a monitor is installed in the middle position of the upper part of the lifting frame. The utility model can effectively prevent the forklift from tilting forward or rolling over, improves the flexibility, safety factor and stability of the forklift, reduces energy waste, has simple overall structure, is convenient to use, and has high handling efficiency.

Description

A stable delivery forklift

technical field

The utility model relates to the technical field of forklift equipment, in particular to a forklift capable of realizing stable cargo transportation.

Background technique

With the rapid development of industrialization in my country, the mechanization of the handling industry is becoming more and more common. As a dual-purpose vehicle for high-lift loading and unloading and short-distance transportation, forklifts are especially suitable for vehicle loading and unloading and factory workshops, warehouses, port terminals, stations, freight yards, etc. It is an indispensable equipment for the transportation of heavy goods for the loading and unloading of flammable, explosive and fire-prohibited items. At present, people pay more and more attention to the safety and work efficiency of forklift trucks. In the field of forklift technology, the original forklift needs to install a larger counterweight at the rear end, otherwise the forklift is prone to lean forward when carrying heavy objects, especially when passing through complex roads, it is easier to lean forward or roll over, there is a safety hazard Hidden danger. Due to the large mass of the counterweight of the forklift itself, the flexibility during driving is greatly reduced, thereby reducing the handling efficiency, not only wasting fuel, but also causing environmental pollution, which does not meet the requirements of economic efficiency and energy conservation and environmental protection. It is widely used today when resources are scarce. In order to solve the above technical problems, it is necessary to design a stable cargo forklift with good stability, simple structure, easy operation and safe and reliable.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, provide a forklift structure with good stability, high safety factor and reliability, and horizontally movable forks and elevating frames, which reduces the risk of forward tilt and rollover accidents of the forklift. occur.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a stable cargo forklift, including a body, a base, a base guide rail, a fork, a fork fixing frame, a lifting frame and a hydraulic cylinder, etc.; The body body is fixed on the rear end above the base, and the bottom of the base is supported by three left and right wheels. A control switch panel and an observation screen are installed on the right side inside the body body, and a control switch group is installed on the control switch panel; The front end of the base is fixed with a base guide rail, the base guide rail is divided into a left base guide rail and a right base guide rail, and the base guide rail is slidingly connected with the lower end of the lifting frame; one end of the hydraulic cylinder is hinged with the lifting frame, and the other end is connected with the lifting frame. The body of the vehicle body is connected and fixed with bolts; the front end of the lifting frame is slidably connected with a fork fixing frame, and the fork fixing frame includes the left frame of the fork fixing frame and the right frame of the fork fixing frame, and the lower part of the front end of the fork fixing frame is connected by bolts A cargo fork is fixed; a rotating shaft is installed on the upper part of the lifting frame, and two chain winding drums are symmetrically installed on the rotating shaft through a key connection, and the fork fixing frame and the chain winding drum are connected by a lifting chain; the lifting frame Including the left frame of the lifting frame and the right frame of the lifting frame, a motor is respectively fixed on the upper outer end of the two, and the two motors are connected to the two ends of the rotating shaft through a coupling; a monitor is installed in the middle of the beam of the lifting frame, and the monitor will The information is returned to the viewing screen inside the bodywork.

The base guide rail is slidingly connected to the lower end of the lifting frame through a horizontal slider and a horizontal chute, the horizontal chute is in the middle of the upper end surface of the base guide rail, the horizontal slider is fixed at the lower end of the lifting frame, and the horizontal slider is slidably embedded in the in the horizontal chute and can slide along it; the lifting frame is slidingly connected with the fork fixing frame through the longitudinal chute and the longitudinal sliding block, the longitudinal chute is in the middle of the front end of the lifting frame, and the longitudinal sliding block is fixed on the fork fixing frame At the upper position of the rear end face, the longitudinal slider is slidably embedded in the longitudinal chute and can slide along it; the inside of the horizontal chute and the longitudinal chute is an arc-shaped structure, and the horizontal slider and the longitudinal slider are also arc-shaped Structure, clearance fit between the chute and the slider.

The hydraulic oil cylinder of the forklift structure is composed of cylinder barrels, piston rods and other components, and two or three are evenly arranged side by side.

The fork of the forklift structure is provided with two or more, and the fork and the fork fixing frame are connected and fixed by bolts, and the angle between the two is slightly less than 90 degrees.

The control switch group on the control switch panel in the vehicle body controls the expansion and contraction of the hydraulic oil cylinder and the forward and reverse rotation of the motor.

The horizontal chute must ensure that the lifting frame can move to the front end of the base, and the lowest position of the longitudinal chute must ensure that the fork can be lowered to the ground position.

Compared with the prior art, the beneficial effect of the utility model is that the fork and lifting frame of the forklift can move horizontally on the base, and during the transportation process, the heavy objects are placed in the middle of the base of the forklift, which reduces the center of gravity And it is concentrated inside the forklift, which can greatly prevent the occurrence of forward tilt or rollover accidents, improve the safety factor and stability of the forklift, in addition, while reducing the counterweight, it improves the overall flexibility of the forklift and reduces the risk of accidents caused by accidents. Energy waste caused by counterweight. The forklift has the advantages of simple structure, convenient use, complete functions and high handling efficiency, and is especially suitable for handling goods in warehouses, factories, ports and other places, and is an innovation to the existing forklift structure.

Description of drawings

The following is a brief description of the contents expressed in the drawings and the marks in the drawings in this specification:

Fig. 1 is a side view structural schematic diagram of a stable delivery forklift of the utility model;

Fig. 2 is a top view structural diagram of the front-end loading part of the forklift described in Fig. 1;

Fig. 3 is a schematic diagram of the front structure of the lifting frame in the forklift described in Fig. 1;

Fig. 4 is a structural schematic diagram of the sliding connection part between the forklift base guide rail and the lift frame described in Fig. 1;

Fig. 5 is a structural schematic diagram of the sliding connection part between the forklift lifting frame and the fork fixing frame described in Fig. 1;

Fig. 6 is a schematic diagram of the lowest working position of the forklift shown in Fig. 1 when picking and placing parts.

The marks in the figure are: 1. Body body, 2. Base, 3. Wheels, 4. Control switch panel, 5. Control switch group, 6. Cylinder, 7. Hydraulic cylinder, 8. Piston rod, 9. Base Guide rail, 10, cargo fork, 11, cargo fork fixed frame, 12, lifting frame, 13, motor, 14, monitor, 15, horizontal slider, 16, horizontal chute, 17, left base guide rail, 18, right Base guide rail, 19, left frame of elevating frame, 20, right frame of elevating frame, 21, left frame of fork fixed frame, 22, right frame of fork fixed frame, 23, chain, 24, chain reel, 25, rotation Axle, 26, vertical slide block, 27, vertical chute, 28, observation screen.

detailed description

The utility model provides a stable cargo forklift. In order to make the purpose, technical solution and advantages clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. The specific implementation methods are as follows: Figure 1 - As shown in Figure 6, the utility model is a stable cargo forklift, including a body body 1, a base 2, a base guide rail 9, a fork 10, a fork fixing frame 11, a lifting frame 12, and a hydraulic cylinder 7; Described body body 1 is fixed on the rear end above base 2, and the bottom of base 2 is supported by respectively three wheels 3 on the left and right sides, and control switch panel 4 and observation screen 28 are equipped with on the right side of body body 1 inside, on the control switch panel 4 A control switch group 5 is installed; the front end of the base 2 is fixed with a base guide rail 9, the base guide rail 9 is divided into a left base guide rail 17 and a right base guide rail 18, and the base guide rail 9 is slidingly connected with the lower end of the lifting frame 12 One end of the hydraulic cylinder 7 is hinged with the lifting frame 12, and the other end is connected and fixed with the body body 1 by bolts; Frame left frame 21 and goods fork fixed frame right frame 22, goods fork 10 is fixed on the lower part of the front end of goods fork fixed frame 11, a rotating shaft 25 is installed on the top of lifting frame 12, and two chains are symmetrically installed on rotating shaft 25 by key connection. The winding cylinder 24, the fork fixing frame 11 and the chain winding cylinder 24 are connected by a lifting chain 23; the lifting frame 12 includes a lifting frame left frame 19 and a lifting frame right frame 20, and a Motor 13, two motors 13 and two ends of rotating shaft 25 are connected by shaft coupling; Monitor 14 is installed in the middle of the crossbeam of described lifting frame 12, and the information that monitor 14 returns is shown in the observation of control switch panel 4 in body body 1 screen 28, so that the driver can observe the position of the heavy object on the pallet fork 10 in real time, which is convenient for operation and improves the handling efficiency.

The base guide rail 9 is slidably connected to the lower end of the lifting frame 12 through a horizontal slider 15 and a horizontal chute 16, the horizontal chute 16 is in the middle of the upper end surface of the base guide rail 9, and the horizontal slider 15 is fixed at the lower end of the lifting frame 12, The horizontal slider 15 is slidably embedded in the horizontal chute 16 and can slide along it, and then drives the lifting frame 12 to realize horizontal movement; 11 is slidingly connected, the longitudinal chute 27 is in the middle of the front end of the lifting frame 12, the longitudinal slider 26 is fixed on the upper position of the rear end surface of the fork fixed frame 11, and the longitudinal slider 26 is slidably embedded in the longitudinal chute 27 and can be moved along it. Sliding, and then realize the up and down sliding of the forklift fixing bracket 11.

The hydraulic cylinder 7 of the forklift structure is composed of cylinder barrel 6, piston rod 8 and other components. In order to ensure the stability of the movement of lifting frame 12, two or three are evenly arranged side by side.

The fork 10 of the forklift structure is provided with two or more, and the fork 10 and the fork fixing frame 11 are connected and fixed by bolts, and the angle between the two is slightly less than 90 degrees, so as to ensure that the goods will not slip when lifting the goods. .

The expansion and contraction of the hydraulic cylinder 7 of the forklift structure and the positive and negative rotation of the motor 13 are all controlled by the control in the body body 1. The control switch group 5 on the closing panel 4 is controlled.

As shown in accompanying drawing 4, the structure schematic diagram of the sliding connection part between the base guide rail 9 and the lifting frame 12 and the structural schematic diagram of the sliding connection part between the lifting frame 12 and the fork fixed frame 11 shown in accompanying drawing 5, the horizontal chute 16 and the longitudinal The inside of the chute 27 is an arc-shaped structure, and the horizontal slider 15 and the vertical slider 26 are also arc-shaped structures. The clearance fit between the chute and the slider reduces sliding resistance while ensuring motion stability.

As shown in accompanying drawing 6, the schematic diagram of the lowest working position when the forklift picks and places parts, the horizontal chute 16 must ensure that the lifting frame 12 can move to the front end of the base 2, and the lowest position of the longitudinal chute 27 must ensure that the fork 10 can be lowered to Ground location.

The use process of the utility model is: when carrying goods, the driver drives the forklift to the side of the goods storage position, and controls the forward or reverse rotation of the motor 13 through the control switch group 5 on the control switch panel 4, and the motor 13 drives the rotating shaft 25 Rotate, and then make chain reel 24 rotate, realize the coiling up of chain 23 or put down, and chain 23 rolls up when motor 13 forward rotation, puts down during reverse rotation. Because the other end of the chain 23 is connected with the fork holder 11, the winding of the chain 23 can realize the lifting of the fork holder 11, and then realize the lifting of the fork 10. When the goods are to be carried, the piston rod 8 of the hydraulic cylinder 7 is controlled by the control switch group 5 to extend, and then the lifting frame 12 is pushed to make the horizontal slider 15 at the lower end move forward along the horizontal slide groove 16 on the base guide rail 9 to the base. seat 2 front end. Through the joint action of the hydraulic cylinder 7 and the lifting chain 23, the fork 10 of the forklift is adjusted to reach the position where the goods are to be transported, thereby facilitating the movement of the goods from the truck or the shelf to the fork 10. When the goods being transported are located on the ground and other objects lower than the base 2 of the forklift, in order to facilitate the observation of goods lower than the height of the base 2, a monitor 14 is installed on the top of the lifting frame 12, and the driver passes through the viewing screen 28 in the car. The location information of the goods can be observed conveniently in real time to achieve accurate and fast forklifting. After the cargo is placed on the fork 10, the driver controls the fork fixing frame 11 to move down to the base 2 through the control switch group 5, and at the same time controls the piston rod 8 of the hydraulic cylinder 7 to retract, driving the lifting frame 12 to move backward, so that The center of gravity is lowered and concentrated in the middle of the vehicle body, preventing the forklift from tilting forward or rolling over due to uneven roads during transportation, and achieving stable transportation. When the cargo is delivered to the designated location, the driver controls the piston rod 8 of the hydraulic cylinder 7 to stretch out to move the lifting frame 12 forward, and at the same time controls the rotation of the motor 13 to roll up or down the chain 23 to adjust the vertical height of the fork 10. Until the fork 10 reaches the designated placement height of the goods, the goods can be transported to the designated position.

The utility model can improve the stability of the forklift in the process of carrying goods, prevent rollover accidents, and improve the safety of transportation in complex road conditions. At the same time, the forklift does not need or only needs a very small counterweight, which improves the flexibility of transportation, reduces energy waste, meets the requirements of energy conservation and environmental protection, has high efficiency, simple structure, and is suitable for popularization.

The unexplained parts involved in the utility model are the same as the prior art or implemented by adopting the prior art.

Claims (2)

1. A stable cargo forklift, its structure includes a body (1), a base (2), a base guide rail (9), a fork (10), a fork holder (11), and a lifting frame (12) And hydraulic cylinder (7), it is characterized in that: The body body (1) is fixed on the rear end of the base (2), and the base guide rail (9) is fixed on the front end of the base (2), and the base guide rail (9) is slidingly connected with the lower end of the lifting frame (12) ; A fork holder (11) is slidably connected to the front end surface of the lifting frame (12), and the lower part of the front end of the fork holder (11) is bolted and fixed with a fork (10); One end of the hydraulic cylinder (7) is hinged with the lifting frame (12), and the other end is fixed with the vehicle body (1) with bolts, and two or three hydraulic cylinders (7) are evenly arranged side by side. 2. A stable cargo forklift according to claim 1, characterized in that: the base guide rail (9) is slidably connected to the lower end of the lifting frame (12) through a horizontal chute (16) and a horizontal slider (15), Wherein the horizontal chute (16) is at the middle part of the upper end surface of the base guide rail (9), and the horizontal slider (15) is fixed at the lower end of the lifting frame (12); the lifting frame (12) passes through the longitudinal chute (27) and the longitudinal sliding The block (26) is slidingly connected with the fork holder (11), wherein the longitudinal chute (27) is at the middle part of the front end of the lifter (12), and the longitudinal slider (26) is fixed on the rear end of the fork holder (11). Upper position; the inside of the horizontal chute (16) and the longitudinal chute (27) is an arc-shaped structure, the horizontal slider (15) and the longitudinal slider (26) are also arc-shaped, and the gap between the chute and the slider Clearance fit.