CN104495697B - Automatic charging mechanism for prolonging working time of storage battery of electric fork lift truck - Google Patents

Abstract

The invention discloses an automatic charging mechanism for prolonging working time of a storage battery of an electric fork lift truck. The automatic charging mechanism comprises inner and outer portal frames of a forklift, and further comprises a slide rail oil cylinder and a slide rail base which are arranged on the forklift, wherein the piston rod of the slide rail oil cylinder is connected with a sliding block arranged in the slide rail base, a return spring for returning the piston rod is connected to the piston rod or the sliding block; a silicon rectification generator is arranged on the sliding block; a rack capable of engaging with a small gear of the silicon rectification generator is arranged on the inner portal frame of the forklift; the slide rail oil cylinder is connected with a forklift oil tank through a multi-way valve; when the inner portal frame of the forklift is lifted, the multi-way valve is used for supplying oil to a large cavity of the slide rail oil cylinder, the piston rod pushes the sliding block to drive the silicon rectification generator to move, the small gear is separated from the rack; when the inner portal frame of the forklift is descended, the multi-way valve is opened for communicating the large cavity of the slide rail oil cylinder with the oil tank; under the action of return force of the return spring, the small gear is re-engaged with the rack, and the descended rack drives the small gear to rotate for realizing power generation by the silicon rectification generator.

Description

An automatic charging mechanism for prolonging the working time of battery forklift battery

technical field

The invention relates to a battery forklift, in particular to a battery for extending the working time of a battery forklift

automatic charging mechanism.

Background technique

Forklifts are industrial handling vehicles that have played an increasingly important role in logistics handling. The power of forklifts can be powered by fuel or batteries. Considering that many forklifts are used indoors in the factory area, in order to prevent fuel exhaust from polluting the air in the factory area and improve the working environment of workers, it is becoming more and more popular to use batteries as power for forklifts. However, due to the limitations of the battery itself, the continuous working time of the battery forklift is limited, and the battery forklift needs to be charged frequently, which limits the application and promotion of the battery forklift. For this reason, how to provide a kind of battery forklift that can prolong the battery forklift battery working time urgently needs to be solved by industry personnel.

Contents of the invention

In order to overcome the deficiencies in the prior art above, the present invention provides an automatic charging mechanism for prolonging the working time of batteries in forklifts, which can convert the potential energy of the lowering of the mast inside the forklift into electrical energy, greatly prolonging the working time of batteries and saving energy. .

The technical solution adopted by the present invention to solve its technical problems is:

An automatic charging mechanism for prolonging the working time of batteries for forklift batteries, including forklift inner masts and forklift outer masts, and also includes slide rail oil cylinders and slide rail seats installed on the forklift trucks, and slide blocks are installed in the slide rail seats , the piston rod of the slide rail oil cylinder is connected with the slider, and the piston rod or the slider is connected with a return spring for resetting the piston rod, and a silicon rectifier generator is installed on the slider, and the silicon rectifier generates electricity There is a pinion at the end of the rotating shaft of the machine, and the inner mast of the forklift is provided with a rack that can engage with the pinion, and the slide rail oil cylinder is connected with the oil tank of the forklift through a multi-way valve. The multi-way valve supplies oil to the large cavity of the slide rail cylinder, the piston rod pushes the slider to drive the silicon rectifier generator to move, the pinion is separated from the rack, and when the inner mast of the forklift is lowered, the multi-way valve opens to make the large cavity of the slide rail cylinder and the oil tank Connected, under the reset force of the return spring, the pinion is meshed with the rack again, and the descending rack drives the pinion to rotate to realize the power generation of the silicon rectifier generator.

As an improvement of the above technical solution, the pinion gear meshes with the rack through a speed increasing gear.

As a further improvement of the above technical solution, the slide rail seat and the slide rail oil cylinder are installed and fixed on the top beam of the outer mast of the forklift.

Further, the rack is connected and fixed on the inner mast flange of the forklift.

The beneficial effect of the present invention is: adopt the present invention of above-mentioned structure, through slide rail oil cylinder, slide rail seat, silicon rectifier generator and return spring etc., the pinion gear on the silicon rectifier generator cooperates the rack on the forklift inner mast, makes When the inner mast of the forklift is lowered, a multi-way valve is used to connect the large cavity of the slide rail cylinder with the fuel tank, and under the action of the reset force of the return spring, the pinion meshes with the rack again, and the lowered rack drives the pinion to rotate to realize a silicon rectifier generator Power generation, it is easy to convert the potential energy of the forklift inner mast and the falling goods on it into electrical energy to charge the battery. As long as the forklift is working, the potential energy will be collected and stored in the battery, which greatly prolongs the working time of the battery. , saves a lot of energy, well solves the limitations of the battery forklift due to the storage itself, and is conducive to the further popularization and application of the battery forklift, and the structure of the mechanism described in the present invention is simple, reasonable and compact, and easy to install. The implementation is simple and the cost is low.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Referring to Fig. 1, a kind of automatic charging mechanism of the present invention prolongs the working time of battery forklift battery, comprises forklift inner mast 1 and forklift outer mast 2, also includes slide rail oil cylinder 3, slide rail seat 4 installed on the forklift , a slide block 5 is installed in the slide rail seat 4, the piston rod 31 of the slide rail oil cylinder 3 is connected with the slide block 5, and the piston rod 31 or the slide block 5 is connected with a return spring that resets the piston rod 31 6. The silicon rectifier generator 7 is installed on the slider 5, the end of the rotating shaft of the silicon rectifier generator 7 has a pinion 71, and the forklift inner mast 1 is provided with a pinion gear 71 The meshing rack 8, the slide rail cylinder 3 is connected with the forklift fuel tank through a multi-way valve. When the inner mast 1 of the forklift is lifted, the multi-way valve supplies oil to the large cavity of the slide rail cylinder 3, and the piston rod 31 pushes the slider 5 Drive the silicon rectifier generator 7 to move, the pinion 71 is separated from the rack 8, and when the forklift inner mast 1 is lowered, the multi-way valve is opened so that the large chamber of the slide rail oil cylinder communicates with the fuel tank, and the pinion 71 is reset under the reset force of the return spring 6. Engaging with the rack 8, the descending rack 8 drives the pinion 71 to rotate to realize the power generation of the silicon rectifier generator, and the silicon rectifier generator is connected to the battery on the battery forklift to charge the battery.

Preferably, the pinion 71 meshes with the rack 8 through the speed-increasing gear 9, the speed n of the silicon rectifier generator is in the range of 380~3800rpm, and the lowering speed V Between 150mm/s~200mm/s, when the pinion 71 meshes directly with the rack 8, its working speed is around 380rpm, and when the pinion 71 meshes with the rack 8 through the speed-up gear 9, it can speed up Ten times, that is around 3800rpm.

Preferably, the slide rail seat 4 and the slide rail oil cylinder 3 are installed and fixed on the upper beam 10 on the top of the outer mast of the forklift.

Further preferably, the rack 8 is connected and fixed on the inner mast wing of the forklift, and the inner mast of the forklift has two left and right wing plates, so two automatic charging mechanisms can be symmetrically arranged on one forklift, thereby collecting Lots of energy.

The working principle of the present invention is as follows: when the inner mast 1 of the forklift is lifted, the multi-way valve supplies oil to the large cavity of the slide rail oil cylinder 3, and the piston rod 31 pushes the slider 5 to drive the silicon rectifier generator 7 to move, so that the pinion 71 Break away from the rack 8 to ensure the normal lifting of the inner mast 1 of the forklift without gear meshing resistance; The pinion 71 meshes with the rack 8 again under the action, and the descending rack 8 drives the pinion 71 to rotate to realize the silicon rectifier generator to generate electricity, and the silicon rectifier generator connects the battery on the battery forklift to charge the battery.

Adopt the present invention of above-mentioned structure, through slide rail oil cylinder 3, slide rail seat 4, silicon rectifier generator 7 and back-moving spring 6, the pinion 71 wheel on the silicon rectifier generator 7 cooperates the rack 8 on the forklift inner mast 1 , so that when the inner mast 1 of the forklift is lowered, a multi-way valve is used to connect the large chamber of the slide rail oil cylinder with the oil tank, and the pinion 71 meshes with the rack 8 under the action of the reset force of the return spring 6, and the descending rack 8 drives the small The gear 71 rotates to realize the power generation of the silicon rectifier generator 7, which easily converts the potential energy of the forklift inner mast and the goods on it from falling into electrical energy to charge the battery. As long as the forklift is working, the potential energy is collected and stored in the battery. , which greatly prolongs the working time of the battery, saves a lot of energy, and solves the limitations of the battery forklift due to the storage itself, which is conducive to the further popularization and application of the battery forklift. The structure of the mechanism is simple, reasonable and compact, the installation is convenient, the implementation is simple, and the cost is low.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned embodiments, as long as it achieves the technical effect of the present invention by any same or similar means, it should fall within the protection scope of the present invention .

Claims (4)

1. null1. the automatic charging mechanism extending the battery fork lift truck battery-operated time，Including inner door frame of forklift truck and outer portal frame of forklift，It is characterized in that: also include the slide rail oil cylinder being arranged on fork truck、Slide track seat，Described slide track seat is provided with slide block，The piston rod of slide rail oil cylinder is connected with described slide block，Connect on piston rod or slide block and have the back-moving spring making described piston rod reset，On described slide block, silicon rectification generator is installed，The roller end of described silicon rectification generator has little gear，The tooth bar that can engage it is provided with described little gear on described inner door frame of forklift truck，Described slide rail oil cylinder is connected with forklift fuel tank by banked direction control valves，When inner door frame of forklift truck hoists, banked direction control valves is to the big chamber fuel feeding of slide rail oil cylinder，Piston rod promotes slide block to drive silicon rectification generator to move，Little gear departs from tooth bar，When inner door frame of forklift truck declines，Banked direction control valves is opened so that the big chamber of slide rail oil cylinder connects with fuel tank，Under back-moving spring reset force effect, little gear is multiple engages with tooth bar，The rack drives pinion rotation declined realizes silicon rectification generator generating.
2. A kind of automatic charging mechanism extending the battery fork lift truck battery-operated time the most according to claim 1, it is characterised in that: described little gear is engaged with described tooth bar by speed increasing gear.
3. A kind of automatic charging mechanism extending the battery fork lift truck battery-operated time the most according to claim 1 and 2, it is characterised in that: described slide track seat, slide rail oil cylinder are fixed on the entablature of outer portal frame of forklift top.
4. A kind of automatic charging mechanism extending the battery fork lift truck battery-operated time the most according to claim 3, it is characterised in that: described tooth bar is fastened on inner door frame of forklift truck wing plate.