CN211545843U - Forklift device for quickly carrying, loading and unloading goods - Google Patents

Abstract

The utility model discloses a forklift device for fast transporting, loading and unloading goods, which comprises at least two fork arms, wherein each fork arm comprises a bottom frame and a cover plate positioned above the bottom frame, and the bottom frame is rotationally connected with the cover plate through a rotary rod; the bottom frame is internally provided with a roller, and the bottom frames of the fork arms at two sides are also internally provided with chain transmission components for driving the roller to rotate; an oil cylinder is arranged on one of the fork arms, an oil cylinder piston is connected with a horizontally arranged pull rod, the pull rod is respectively connected with the underframe of each fork arm through a plurality of pull pieces to drive the underframe of the fork arm to move horizontally, and the roller and the underframe are lifted through a rotating rod; the cover plate is provided with a notch for accommodating the movement of the roller, and the roller is higher than the cover plate and lower than the cover plate in the process of being pulled by the pull rod. The utility model discloses increase the gyro wheel on traditional fork truck, make the goods move in or shift out fork truck voluntarily, avoid a plurality of artifical transports, only one-man operation can accomplish automatic loading, discharge work.

Description

Forklift device for quickly carrying, loading and unloading goods

Technical Field

The utility model belongs to the technical field of commodity circulation transport loading and unloading, in particular to carry fork truck device of loading and unloading goods fast.

Background

Fork trucks are often used during the loading and unloading of goods. The forklift has various varieties and types, is driven by power and is also driven by manpower; the fork arm is characterized by comprising two or more fork arms, and when the fork arm is used, the fork arms extend into the position below a cargo to be carried, and then the fork arms lift the cargo and move. Such a truck is suitable for goods with pallets, the bottom of which is usually made up of two layers of wooden strips in a longitudinal and transverse direction, forming a passage for the fork arms to enter and exit.

However, in some cases, the bottom of the cargo does not carry pallets; i.e. the entire bottom surface of the cargo is in contact with the ground. At this time, in order to extend the fork arms into or withdraw the fork arms from the lower part of the cargo, the foot support needs to be manually pushed to complete the operation. Obviously, the loading and unloading processes are complicated, the efficiency is low, and the goods outer package is easy to damage.

Disclosure of Invention

The utility model aims at providing a carry fork truck device of goods handling fast to it is loaded down with trivial details, inefficiency to solve current fork truck goods handling process, and fragile problem, simplifies personnel's operation and intensity of labour, improves vanning efficiency.

Therefore, the technical scheme of the utility model is that: a forklift device for rapidly transporting, loading and unloading goods comprises an operating handle, a case and at least two fork arms, wherein the operating handle is arranged behind the case, and the fork arms are arranged at the front end of the case in parallel; the device also comprises a driving wheel and a driving component for driving the driving wheel to rotate;

the method is characterized in that: the fork arm comprises a bottom frame and a cover plate positioned above the bottom frame, the cover plate is fixed with the case, and the bottom frame is rotationally connected with the cover plate through a rotating rod; the bottom frame is internally provided with a roller, and the bottom frames of the fork arms at two sides are also internally provided with chain transmission components for driving the roller to rotate; one fork arm is provided with an oil cylinder, an oil cylinder piston is connected with a horizontally arranged pull rod, and the pull rod is positioned between the case and the fork arm and is arranged perpendicular to the fork arm; the pull rod is respectively connected with the underframe of each fork arm through a plurality of pull pieces, the oil cylinder drives the underframe of the fork arms to move horizontally through the pull rod and the pull pieces, and the roller and the underframe are lifted through a rotating rod; the cover plate is provided with a notch for accommodating the movement of the roller, and the roller is higher than the cover plate and lower than the cover plate in the process of being pulled by the pull rod.

Further, the rotating speed of the roller is greater than that of the driving wheel, and the rotating direction of the roller is opposite to that of the driving wheel.

Furthermore, the machine case also comprises a driving shaft and a speed reducing motor, wherein the driving shaft is matched with the speed reducing motor through a gear set; the chain transmission assembly comprises a transmission chain wheel and a chain, the transmission chain wheel and the roller are coaxially arranged, and the chain is connected with the adjacent roller assembly; and driving chain wheels are arranged at two ends of the driving shaft and are matched with chains on the fork arms at two sides.

Furthermore, a chain tensioning assembly is arranged on a first chain, connected with the driving chain wheel, of the two side fork arms, the chain tensioning assembly comprises a side plate with an inclined sliding groove, a fixing pin and a sliding pin are arranged in the sliding groove, the fixing pin is fixed at the bottom of the sliding groove, the sliding pin can move along the sliding groove, and a spring is arranged between the fixing pin and the sliding pin; and a tensioning chain wheel is arranged on the sliding pin and matched with the first chain.

Furthermore, an oil cylinder control assembly matched with the oil cylinder is also arranged in the case; the oil cylinder control assembly comprises an oil pump and a motor, wherein the oil pump is connected with the oil cylinder to control the translation and lifting of the roller.

Furthermore, two ends of a rotating rod on the side surface of the fork arm underframe are respectively connected with the fork arm underframe and the cover plate in a rotating mode through pin shafts.

When loading, the oil cylinder enables the roller to rise to the highest point through the pull rod and the pull piece, the goods are in contact with the roller, the driving wheel moves forwards, namely rotates clockwise, the roller rotates anticlockwise, and the goods move onto the fork arm under the rolling action of the roller; after the goods are loaded, the roller descends to the lowest point, so that the goods are in contact with the cover plate, and then the driving wheel rotates or turns according to the advancing requirement; when unloading, the roller rises to the highest point, the goods are in contact with the roller, then the driving wheel retreats, namely anticlockwise rotates, the roller rotates clockwise, and the goods move downwards under the rolling effect of the roller.

Furthermore, when goods are loaded and unloaded, the rotating speed of the roller is greater than that of the driving wheel, and the rotating direction of the roller is opposite to that of the driving wheel.

In the above description, the position of the operating handle and the fork arm is defined as that the operating handle is located behind the fork arm, when the goods are loaded, the goods are located at the front end of the fork arm, and the driving wheel moves forward, which means that the driving wheel rotates clockwise to drive the forklift to move toward the goods; when the goods are unloaded, the goods are on the fork arms, and the driving wheel moves backwards, which means that the driving wheel rotates anticlockwise to drive the forklift to be far away from the goods.

The utility model adds the roller on the traditional forklift, so that the sliding friction between the forklift and the goods is converted into rolling friction when loading or unloading the goods, thereby facilitating the movement of the goods; simultaneously, the gyro wheel can rotate and rotation direction and drive wheel opposite direction, produces the effort to the goods when the gyro wheel rotates to make the goods move in or shift out fork truck voluntarily, avoid a plurality of manual handling, only one-man operation can accomplish automatic loading, discharge work.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

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

FIG. 2 is a schematic structural view of the present invention (with the cover plate removed);

FIG. 3 is a schematic view of the loading and unloading of the present invention;

fig. 4 is a schematic structural view of the yoke of the present invention (with the cover plate and the chain removed);

fig. 5 is a schematic view of the internal structure of the first yoke of the present invention;

fig. 6 is a schematic view of the internal structure of the second prong of the present invention;

fig. 7 is a schematic structural view of the chain tensioning assembly of the present invention.

Labeled as: the device comprises an operating handle 11, a handle connecting rod 12, a steering mounting plate 13, a bracket 14, a driving shaft 21, a driven gear 22, a driving gear 23, a chassis plate 24, a fork arm 3, a chassis 30, a first fork arm 31, a second fork arm 32, a driving wheel 4, a roller 51, a shaft 52, a chain wheel 53, a chain 54, a driving chain wheel 55, an auxiliary wheel 56, an auxiliary shaft 57, a first chain 58, a speed reducing motor 6, a cover plate 7, an oil cylinder 72, a pull rod 73, a pull tab 74, a rotating rod 75, a hydraulic oil pump 76, a hydraulic motor 77, a chain tensioning assembly 8, a side plate 81, a sliding groove 82, a fixed pin 83, a sliding pin 84, a spring 85, a tensioning chain wheel 86 and a.

Detailed Description

See the drawings. The forklift device of the embodiment comprises three parts, namely a steering driving component, a chassis and a fork arm 3, wherein the chassis comprises a lower chassis plate 24 and a transverse shell component, the chassis plate 24 and the transverse shell component are fixedly installed, and the shell component is detachable; a steering driving mechanism is arranged behind the case and comprises an operating handle 11, a handle connecting rod 12, a driving wheel 4, a steering mounting plate 13 and the like; the operating handle 11 is mounted on a steering mounting plate 13 through a handle connecting rod 12, a driving wheel 4 and a first driving motor for driving the driving wheel to rotate are mounted below the steering mounting plate 13, and the steering mounting plate 13 is fixed on the chassis through a support 14; and a control module is arranged in the operating handle 11, and all operations are controlled through keys.

The quick-witted case front end is equipped with three rows of parallel arrangement's yoke 3, including both sides provide the first yoke 31 of gyro wheel power and play the second yoke 32 of auxiliary action, yoke 3 includes chassis 30 and the apron 7 that is located the chassis top, and apron 7 is fixed mutually with quick-witted case, rotates through rotary rod 75 between chassis 30 and the apron 7 to be connected, and rotary rod 75 both ends rotate through round pin axle and yoke chassis 30, apron 7 respectively to be connected, and when yoke chassis 30 received the power of horizontal direction, rotary rod 75 can make yoke chassis 30 and gyro wheel 51 synchronous translation and lift.

The bottom of the middle second fork arm 32 is provided with an oil cylinder 72, the piston of the oil cylinder is connected with a horizontally arranged pull rod 73, and the pull rod 73 is positioned between the chassis and the fork arm and is arranged perpendicular to the fork arm; the pull rod 73 is respectively connected with the underframe 30 of all the fork arms through a plurality of pull pieces 74, the oil cylinder 72 drives the underframe 30 of the fork arms to move horizontally through the pull rod 73 and the pull pieces 74, and the roller 51 and the underframe 30 are lifted through a rotating rod 75; the cover plate 7 is provided with a gap for accommodating the movement of the roller, and when the bottom frame 30 is subjected to horizontal pulling force or pushing force, the bottom frame 30 is limited by the rotating rod 75, and the bottom frame 30 rotates and rises around the rotation of the two ends of the rotating rod, so that the purpose of lifting the roller is achieved.

A roller is arranged in the underframe, a roller assembly is arranged in the underframe of the first fork arm 31, and the roller assembly comprises a roller 51 and a shaft 52 which are connected in a key manner; meanwhile, the shafts 52 of the roller assemblies of the first fork arms 31 on the two sides are provided with chain wheels 53, and the adjacent chain wheels 53 are driven by chains 54; a driving shaft 21 is arranged in the case, driving chain wheels 55 are arranged at two ends of the driving shaft 21, and the driving chain wheels 55 are connected with chains 54 below the fork arms at two sides; a driven gear 22 is fixed to the drive shaft 21 and is engaged with a drive gear 23 of the reduction motor 6. The reduction motor 6 drives the driving shaft 21 to rotate, and the driving sprockets 55 at the two ends of the driving shaft 21 drive the connected first chains 58, thereby driving the rollers 51 to rotate.

Because the yoke underframe 30 and the roller 51 are driven by the pull rod and can horizontally move, the chain tensioning assembly 8 is arranged on the first chain 58 connecting the driving sprocket 55 and the roller assembly, the chain tensioning assembly comprises side plates 81 at two sides, the side plates are fixed on the frame, slide grooves 82 obliquely arranged are arranged on the side plates, fixed pins 83 and slide pins 84 are arranged in the slide grooves, the fixed pins 83 are fixed at the bottoms of the slide grooves 82, the slide pins 84 can move along the slide grooves 82, springs 85 are arranged between the fixed pins 83 and the slide pins 84, and the springs 85 give the slide pins a force close to the fixed pins; the slide pin 84 is provided with a tension sprocket 86, and the tension sprocket 86 is engaged with the first chain 58.

When the roller 51 is in the low rest position, the first chain 58 is under tension, the spring 85 is under tension, and the sliding pin 84 is above the sliding slot 82. When the roller 51 moves closer to the chassis and rises, the first chain 58 changes from a tensioned state to a relaxed state, and the spring is compressed by the spring force to a distance such that the sliding pin 84 slides down the sliding slot 82 and the tensioning sprocket 86 pulls the first chain 58 to re-tension the first chain.

An auxiliary wheel 56 and an auxiliary shaft 57 are installed in the chassis of the second fork arm 32, the auxiliary wheel 56 is installed on the auxiliary shaft 57, a bearing is arranged in the auxiliary wheel 56, the auxiliary wheel can rotate on the auxiliary shaft 57, no power transmission is carried on the auxiliary shaft 57, the auxiliary wheel 57 is fixed on the second fork arm 32, and the auxiliary wheel 56 plays a role in supporting and reducing friction.

When goods 10 need be boxed, need install wedge iron plate (can dismantle) at the yoke anterior segment, through the work of the button control hydro-cylinder on the operating handle 11, drive yoke chassis 30 and gyro wheel 51 through the pull rod and remove to quick-witted case direction, make gyro wheel 51 rise to contact with goods 10, control drive wheel 4 (clockwise rotation) slowly to advance simultaneously, and control gear motor 6 drives gyro wheel 51 through chain 54 and rotates, and the rotation direction of gyro wheel 51 is opposite with drive wheel 4 direction, also is exactly gyro wheel 51 anticlockwise rotation. The speed of the roller 51 is slightly higher than that of the driving wheel 4, when the hydraulic forklift puts the goods 10 on the fork arm 3, the goods 10 can move towards the tail end of the fork arm under the rolling action of the roller 51 until the goods are completely on the fork arm, and therefore the automatic loading function is achieved. After the container is filled, the roller 51 is lowered to the lowest point, so that the goods 10 are in contact with the cover plate 7 to prevent the goods from sliding on the roller 51, and then the driving wheel 4 rotates or turns according to the traveling requirement, while the roller 51 stops rotating. After the device is manually operated to a specified position, unloading is started, the driving wheel 4 is controlled to rotate anticlockwise through a button on the control handle 11, meanwhile, the speed reducing motor 6 drives the idler wheel 51 to rotate clockwise through the chain 54, at the moment, the speed of the idler wheel 51 is slightly higher than that of the driving wheel 4, the goods 10 move towards the ground under the rolling action of the idler wheel 51, namely, the goods are far away from the forklift device, and the automatic unloading function of the forklift device under the condition that the goods are not moved is realized.

Claims (6)

1. A forklift device for rapidly transporting, loading and unloading goods comprises an operating handle, a case and at least two fork arms, wherein the operating handle is arranged behind the case, and the fork arms are arranged at the front end of the case in parallel; the device also comprises a driving wheel and a driving component for driving the driving wheel to rotate;

the method is characterized in that: the fork arm comprises a bottom frame and a cover plate positioned above the bottom frame, the cover plate is fixed with the case, and the bottom frame is rotationally connected with the cover plate through a rotating rod; the bottom frame is internally provided with a roller, and the bottom frames of the fork arms at two sides are also internally provided with chain transmission components for driving the roller to rotate; one fork arm is provided with an oil cylinder, an oil cylinder piston is connected with a horizontally arranged pull rod, and the pull rod is positioned between the case and the fork arm and is arranged perpendicular to the fork arm; the pull rod is respectively connected with the underframe of each fork arm through a plurality of pull pieces, the oil cylinder drives the underframe of the fork arms to move horizontally through the pull rod and the pull pieces, and the roller and the underframe are lifted through a rotating rod; the cover plate is provided with a notch for accommodating the movement of the roller, and the roller is higher than the cover plate and lower than the cover plate in the process of being pulled by the pull rod.

2. A forklift device for rapidly moving load and unload goods as recited in claim 1, wherein: the rotating speed of the roller is greater than that of the driving wheel, and the rotating direction of the roller is opposite to that of the driving wheel.

3. A forklift device for rapidly moving load and unload goods as recited in claim 1, wherein: the machine case also comprises a driving shaft and a speed reducing motor, wherein the driving shaft is matched with the speed reducing motor through a gear set; the chain transmission assembly comprises a transmission chain wheel and a chain, the transmission chain wheel and the roller are coaxially arranged, and the chain is connected with the adjacent roller assembly; and driving chain wheels are arranged at two ends of the driving shaft and are matched with chains on the fork arms at two sides.

4. A forklift device for rapidly moving load and unload goods as recited in claim 3, wherein: a chain tensioning assembly is arranged on a first chain, of which the fork arms at two sides are connected with the driving chain wheel, and comprises a side plate with an inclined sliding groove, a fixed pin and a sliding pin are arranged in the sliding groove, the fixed pin is fixed at the bottom of the sliding groove, the sliding pin can move along the sliding groove, and a spring is arranged between the fixed pin and the sliding pin; and a tensioning chain wheel is arranged on the sliding pin and matched with the first chain.

5. A forklift device for rapidly moving load and unload goods as recited in claim 1, wherein: an oil cylinder control assembly matched with the oil cylinder is also arranged in the case; the oil cylinder control assembly comprises an oil pump and a motor, wherein the oil pump is connected with the oil cylinder to control the translation and lifting of the roller.

6. A forklift device for rapidly moving load and unload goods as recited in claim 1, wherein: and two ends of a rotating rod on the side surface of the fork arm underframe are respectively connected with the fork arm underframe and the cover plate in a rotating way through pin shafts.

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