Counterweight forklift truck powered by hydrogen fuel cell

Abstract

The utility model discloses a counterweight forklift powered by a hydrogen fuel cell, which comprises a frame, a cab arranged above the frame, a hydrogen supply device arranged on one side of the cab, a transportation device arranged on the other side of the cab, and a counterweight arranged below the hydrogen supply device, a driving wheel set and a steering wheel set are arranged at the two ends of the frame respectively, steering wheels are arranged below the balance weight, the hydrogen fuel cell is arranged in the middle of the frame, a hydraulic station is arranged between the cab and the hydrogen supply device, and a gas-electricity module and an electric module are further distributed in the cab. The counterbalance forklift truck is efficient and environmentally friendly, zero-emission operation can be achieved in a pure hydrogen mode, switching of three energy supply modes can be supported through the gas-electricity module, energy consumption can be optimized according to different working conditions, efficiency and economical efficiency are both considered, the cabin for containing the compressed hydrogen tank is arranged, the maintenance cost of the compressed hydrogen tank is reduced, and the service life of the compressed hydrogen tank is prolonged. The capacity of the compressed hydrogen tank in the device is larger, so that the endurance time of the forklift is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of counterbalance forklift, concretely relates to a counterbalance forklift powered by hydrogen fuel cell. BACKGROUND

[0002] Forklift is the industrial handling vehicle, is often used for the transportation of large objects in warehouse, according to the power source, forklift is mainly divided into internal combustion engine forklift and electric forklift, wherein electric forklift can be divided into pure battery forklift and hydrogen fuel cell forklift, and hydrogen fuel cell forklift combines the advantages of pure battery forklift and internal combustion engine forklift, is not only not restricted in the closed space use, but also can keep high performance running state for a long time.

[0003] In prior art, due to the compact structure of forklift, and the hydrogen fuel power system is relatively large, it is very inconvenient to arrange the power system, electric control system and hydraulic system on the forklift, and the built-in hydrogen bottle on the hydrogen fuel powered forklift in prior art is inconvenient for daily maintenance and repair, and the hydrogen bottle capacity is small, the hydrogen storage rate is insufficient, resulting in short forklift endurance, in view of the above, a hydrogen fuel cell powered counterbalance forklift is urgently needed. CONTENT OF THE UTILITY MODEL

[0004] To solve the above-mentioned partial or all technical problems in prior art, the utility model provides a hydrogen fuel cell powered counterbalance forklift, the hydrogen fuel cell powered counterbalance forklift includes frame, the driver's cabin arranged on the frame top, the hydrogen supply device arranged on the driver's cabin one side, the transport device arranged on the driver's cabin other side, the counterweight arranged below the hydrogen supply device, the frame both ends are provided with drive wheel group and steering wheel group, the steering wheel is arranged below the counterweight, the hydrogen fuel cell is arranged in the middle of the frame, the hydraulic station is arranged between the driver's cabin and the hydrogen supply device, the driver's cabin is also provided with fuel cell module, electrical module.

[0005] Further, in the above-mentioned hydrogen fuel cell powered counterbalance forklift, the driver's cabin includes the support frame arranged on the frame top, the roof support frame arranged on the support frame top, the driver's seat arranged between the roof support frame and the frame, the electrical module is arranged in the upper part of the support frame, and the fuel cell module is arranged below the driver's seat.

[0006] As a specific embodiment, in the above-mentioned hydrogen fuel cell powered counterbalance forklift, the hydrogen supply device is a compressed hydrogen tank, the cabin is opened on one side of the frame, and the compressed hydrogen tank is arranged in the cabin.

[0007] As a specific embodiment, in the above-mentioned hydrogen fuel cell powered counterbalance forklift, the hydraulic station is connected to the transport device.

[0008] As a specific embodiment, in the above hydrogen fuel cell powered counterbalanced forklift, the hydrogen fuel cell is connected to the fuel module.

[0009] The hydrogen fuel cell powered counterbalanced forklift has the following advantages and beneficial effects:

[0010] The counterbalanced forklift provided in the device is high in efficiency and environmental protection, can realize zero-emission operation in a pure hydrogen mode, and can support three energy supply mode switching through the fuel module, can optimize energy consumption for different working conditions, and takes into account efficiency and economy, the maintenance cost of the compressed hydrogen tank is reduced by setting the cabin for placing the compressed hydrogen tank, and unlike the prior art, the capacity of the compressed hydrogen tank in the device is larger, the endurance time of the forklift is prolonged, and the device has good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only for further understanding of the embodiments of the present application and constitute a part of the present application. For those skilled in the art, other drawings can also be obtained without creative labor. In the drawings:

[0012] Figure 1 is a structural schematic view of the hydrogen fuel cell powered counterbalanced forklift of the present application.

[0013] EXPLANATION OF REFERENCE NUMERALS

[0014] 1-transporting device, 2-frame, 3-driving wheel set, 4-steering wheel set, 5-cab, 6-supporting frame, 7-electrical module, 8-fuel module, 9-hydrogen supply device, 10-counterweight, 11-hydraulic station. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will combine the specific embodiments of the present application and the corresponding drawings to clearly and completely describe the technical scheme of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0016] As Figure 1The utility model discloses a kind of hydrogen fuel cell energy supply's balanced counterbalanced fork truck, including frame 2, the cab 5 being set to frame 2 top, the hydrogen supply device 9 being set to cab 5 side, the transport device 1 being set to cab 5 other side, the counterweight 10 being set to hydrogen supply device 9 below, wherein, frame 2 is used as the basic frame of the fork truck, operator controls the fork truck in cab 5, hydrogen supply device 9 is used to provide hydrogen source for fork truck, and store hydrogen, the setting of counterweight 10, can play the role of balance when transport device 1 carries heavy object, transport device 1 is as one of the most important structures in fork truck, mainly play the role of carrying heavy object, frame 2 both ends are provided with drive wheel set 3 and steering wheel set 4 respectively, by the rotation of drive wheel set 3, power is provided for fork truck, by steering wheel set 4 cooperation drive wheel set 3, can make fork truck realize horizontal direction's steering travel, steering wheel set 4 is set below counterweight 10, hydrogen fuel cell (not shown in the figure) is set in frame 2 middle part, by hydrogen fuel cell, energy is supplied for fork truck, hydraulic station 11 is set between cab 5 and hydrogen supply device 9, cab 5 place is also laid out with fuel cell module 8, electrical module 7, by electrical module 7, to provide the control logic, instruction of whole vehicle, by fuel cell module 8, to provide whole vehicle power source, more specifically, fuel cell module 8 can control fork truck to convert between pure electricity, electricity hydrogen, pure hydrogen three modes.

[0017] Further, in the hydrogen fuel cell energy supply's balanced counterbalanced fork truck of the utility model, cab 5 includes the support frame 6 being set to frame 2 top, the roof support frame being set to support frame 6 top, the driver's seat being set between roof support frame and frame 2, roof support frame adopts high-strength steel material, ensures the safety of operator, electrical module 7 is set to support frame 6 middle upper part, fuel cell module 8 is set below driver's seat.

[0018] As a specific embodiment, in the hydrogen fuel cell energy supply's balanced counterbalanced fork truck of the utility model, hydrogen supply device 9 is compressed hydrogen tank, frame 2 side is provided with cabin, compressed hydrogen tank is arranged in cabin, relative to prior art, the capacity of compressed hydrogen tank in the device is larger, in turn make the endurance of fork truck more durable, and since compressed hydrogen tank is placed in cabin, it is more convenient to maintain and repair compressed hydrogen tank.

[0019] As a specific embodiment, in the hydrogen fuel cell energy supply's balanced counterbalanced fork truck of the utility model, hydraulic station 11 is connected to transport device 1, so setting, improve the response speed of transport device 1, make fork truck whole operation precision higher.

[0020] As a specific embodiment, in the hydrogen fuel cell energy supply's balanced counterbalanced fork truck of the utility model, hydrogen fuel cell is connected to fuel cell module 8.

[0021] The working principle of the counterbalanced forklift powered by the hydrogen fuel cell is as follows:

[0022] The high-pressure hydrogen gas stored in the compressed hydrogen tank is delivered to the hydrogen fuel cell through a pipeline, in the hydrogen fuel cell, hydrogen gas and oxygen separated from air have an electrochemical reaction to generate water and release electric energy, the generated electric energy is stabilized and distributed through the electrical module 7, and the fuel module 8 adjusts energy output in real time according to load demand, supports three working modes, in the pure electric mode, the forklift is powered by the vehicle-mounted lithium battery pack alone, is suitable for low load or short-time operation, in the electric-hydrogen mode, the hydrogen fuel cell and the lithium battery work cooperatively to improve the endurance, and in the pure hydrogen mode, the forklift depends on the hydrogen fuel cell for power supply to realize zero-emission continuous operation.

[0023] Compared with the prior art, the counterbalanced forklift powered by the hydrogen fuel cell has the following advantages and beneficial effects:

[0024] The counterbalanced forklift provided in the device is high in efficiency and environmental protection, can realize zero-emission operation in the pure hydrogen mode, can support three power supply mode switching through the fuel module 8, can optimize energy consumption according to different working conditions, and takes into account efficiency and economy, the cabin body for placing the compressed hydrogen tank is arranged, the maintenance cost of the compressed hydrogen tank is reduced, and the capacity of the compressed hydrogen tank in the device is larger than that in the prior art, so that the endurance time of the forklift is prolonged, and the device has good practicability.

[0025] It should be noted that, in this document, unless otherwise explicitly specified and limited, the term "connection" or its synonyms should be understood broadly, for example, "connection" can be fixed connection, can be detachable connection, can be mechanical connection, can be electrical connection, can be direct connection, can be indirect connection through an intermediate medium, can be internal connection of two elements or interaction relationship between two elements, and the specific meaning of the above-mentioned term in the utility model can be understood by the person skilled in the art according to the specific situation. Moreover, expressions such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. At the same time, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. In addition, "front", "back", "left", "right", "up", "down" and the like in this document are referred to the placement state shown in the drawings.

[0026] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and are not limited to them; although the utility model is described in detail with reference to the examples, those skilled in the art should understand that: the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A hydrogen fuel cell powered counterbalance fork truck characterized by, The hydrogen fuel cell powered counterbalanced forklift truck comprises a frame, a cab arranged above the frame, a hydrogen supply device arranged at one side of the cab, a transport device arranged at the other side of the cab, a counterweight arranged below the hydrogen supply device, drive wheel sets and steering wheel sets arranged at both ends of the frame respectively, the steering wheels arranged below the counterweight, the hydrogen fuel cell arranged in the middle of the frame, a hydraulic station arranged between the cab and the hydrogen supply device, a fuel module and an electrical module arranged at the cab.

2. The hydrogen fuel cell powered counterbalance fork truck of claim 1 wherein, The cab comprises a support frame arranged above the frame, a roof support frame arranged at the top of the support frame, and a driver's seat arranged between the roof support frame and the frame, the electrical module arranged in the upper middle of the support frame, and the fuel module arranged below the driver's seat.

3. The hydrogen fuel cell powered lift truck balance of claim 1 wherein, The hydrogen supply device is a compressed hydrogen tank, a cabin is arranged at one side of the frame, and the compressed hydrogen tank is arranged in the cabin.

4. The hydrogen fuel cell powered lift truck balance of claim 1 wherein, The hydraulic station is connected to the transport device.

5. The hydrogen fuel cell powered lift truck balance of claim 1 wherein, The hydrogen fuel cell is connected to the fuel module.

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