CN217873156U

CN217873156U - Hydrogen fuel cell is hydrogenation compressor for fork truck

Info

Publication number: CN217873156U
Application number: CN202221351889.4U
Authority: CN
Inventors: 李强; 张向前
Original assignee: Shanghai Mengshi Fluid Machinery Co ltd
Current assignee: Shanghai Mengshi Fluid Machinery Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-22
Anticipated expiration: 2032-05-30

Abstract

The utility model belongs to hydrogen energy application, concretely relates to hydrogen fuel cell is hydrogenation compressor for fork truck. The device comprises a gas pressurization module, a medium transmission and control module, a base-cam module, a console, a cooling system, a transmission module, a power module and a frame, wherein the medium transmission and control module, the console, the cooling system, the transmission module and the power module are arranged on the frame, the base-cam module is arranged in the middle of the frame, the gas pressurization module is fixed on the base-cam module, the power module is connected with the base-cam module through the transmission module, the cooling system is connected with the gas pressurization module through a circulating water pipe, and the gas pressurization module is connected with the medium transmission and control module through an air inlet pipeline. The beneficial effects are that: modular structure, compact structure adopt two-stage piston pressure boost structure, more reliable and more stable. The problem that a large amount of heat is generated when the compressor works is effectively solved by adopting a water cooling structure.

Description

Hydrogen fuel cell is hydrogenation compressor for fork truck

Technical Field

The utility model belongs to hydrogen energy application, concretely relates to hydrogen fuel cell is hydrogenation compressor for fork truck.

Background

At present, the capacity of the domestic forklift market is large, the application scene is often relatively closed, and along with the increasing severity of environmental problems, a clean energy source is particularly needed to replace the traditional power. The hydrogen fuel cell has the advantages of zero emission, low noise, quick hydrogenation and long service life as a power source of the forklift, and is one of important development directions of the forklift in the future. In the aspect of technology, the fuel cell for the forklift already has practical application conditions, and the feasibility of the fuel cell is verified by wide application in foreign countries; at present, hydrogen fuel cell forklifts in China are still in a preliminary exploration stage, but the hydrogen fuel cell forklifts are generally considered by the industry persons to be limited by factors such as high cost and insufficient technical level, but the application of the hydrogen fuel cell forklifts still has remarkable advantages compared with the traditional forklifts and lithium battery forklifts, and the hydrogen fuel cell forklifts are bound to become an important direction for transformation of the forklifts in the future. In the market in recent years, the fuel cell forklift is vigorously pushed, a plurality of vehicle enterprises and supporting enterprises begin to put into research and development or produce finished products at present, and the domestic fuel cell forklift is applied in large scale and is ready for daily use and popularized or reaches billion scale; therefore, the development and production of a mature, safe and reliable hydrogenation compressor with functionality meeting the matching requirements of fuel cell forklifts is one of the current core matching directions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen fuel cell is hydrogenation compressor for fork truck, it has the performance that function integration, compact structure, output pressure are stable, safe and reliable just satisfy the large-traffic requirement of system, can realize the hydrogenation of hydrogen fuel cell fork truck under different service environment safely high-efficiently simultaneously and use.

The technical scheme of the utility model as follows: a hydrogen compressor for a hydrogen fuel cell forklift comprises a gas pressurization module, a medium transmission and control module, a base-cam module, a control platform, a cooling system, a transmission module, a power module and a frame, wherein the medium transmission and control module is arranged at one end of the frame, the base-cam module is arranged in the middle of the frame, the control platform and the cooling system are arranged at the other end of the frame, the transmission module and the power module are further arranged in the frame, the gas pressurization module is fixed on the base-cam module, the base-cam module is fixed at the middle position of the frame, the power module is installed at one end of the frame, the power module and the base-cam module are connected with each other through the transmission module, the cooling system is connected with the gas pressurization module through a circulating water pipe, the control platform is arranged on a base of the frame, and the gas pressurization module is connected with the medium transmission and control module through an air inlet pipeline.

The gas boosting module can realize two-stage boosting, contain one-level cylinder subassembly, second grade cylinder subassembly and pipeline, one-level cylinder subassembly, through the tube coupling between the second grade cylinder subassembly, one-level cylinder subassembly passes through tube coupling entry stop valve, the entry stop valve passes through tube coupling entry filter, the entry filter passes through the tube coupling medium entry, second grade cylinder subassembly passes through tube coupling exit filter, exit filter passes through tube coupling high pressure outlet, manual relief valve one end and one-level cylinder subassembly, tube coupling between the second grade cylinder subassembly, the other end of manual relief valve passes through the tube coupling relief opening.

The base-cam module is used for supporting and transmitting motion and comprises an upper base and a lower base, the upper base and the lower base are fixedly connected through bolts, a cam shaft is arranged between the upper base and the lower base, a bearing is sleeved in the middle of the cam shaft and connected with a connecting rod piston assembly, and a synchronous belt pulley is matched outside the cam shaft.

The power module is used for providing original power for the compressor and comprises a speed reducer and a motor, and the speed reducer is connected with the motor through a pin shaft.

The cooling system comprises a water cooler, a water inlet valve, a water outlet valve, a sewage draining valve and a circulating water pipe, wherein the bottom of the water cooler is connected with a sewage draining pipe, and the middle part of the water cooler is connected with the water inlet valve and the water outlet valve.

The transmission module comprises a synchronous belt wheel and a synchronous belt and is used for transmitting torque to the camshaft.

The beneficial effects of the utility model reside in that:

1) The design of high pressure and large flow meets the multifunctional use requirement, and the product can be widely applied to the forklift logistics industry and can also be applied to various hydrogen-using scenes such as ports, wharfs and bus stations;

2) The modularized structure and the compact structure are adopted, and a two-stage piston type pressurization structure is adopted, so that the structure is more stable and reliable;

3) The water cooling structure is adopted to effectively solve the problem that a large amount of heat is generated when the compressor works;

4) The explosion-proof motor and the pipe valve with mature and reliable performance are selected, and the structure is more compact and the work is more reliable through the integrated design while the cost is controlled.

Drawings

Fig. 1 is a left side view of a hydrogen compressor for a hydrogen fuel cell forklift provided by the present invention;

fig. 2 is a rear view of a hydrogen compressor for a hydrogen fuel cell forklift according to the present invention;

fig. 3 is a top view of a hydrogen compressor for a hydrogen fuel cell forklift provided by the present invention;

FIG. 4 is a front view of the base-cam module;

FIG. 5 is a side view of the base-cam module;

FIG. 6 is a schematic diagram of a power module;

FIG. 7 is a schematic view of a cooling system.

In the figure: the system comprises a gas pressurizing module 1, a medium transmission and control module 2, a base-cam module 3, a control table 4, a cooling system 5, a transmission module 6, a power module 7, a frame 8, a primary cylinder assembly 11, a manual pressure release valve 12, an inlet stop valve 13, an inlet filter 14, a medium inlet 15, a leakage collecting port 16, a leakage discharging port 17, a high-pressure outlet 18, an outlet filter 19, a secondary cylinder assembly 20, an upper base 21, a lower base 22, a camshaft 24, a bearing 25, a connecting rod piston assembly 23, a synchronous belt pulley 26, a speed reducer 27, a motor 28, a circulating water pipe 31, a water chiller 32, a water inlet valve 33, a blowdown valve 34 and a water outlet valve 35.

Detailed Description

The following detailed description of the present design structure is made with reference to the accompanying drawings and specific embodiments.

The utility model provides a hydrogen fuel cell for fork truck hydrogenation compressor adopts two-stage piston pressure boost structure, adopts belt transmission between power unit and actuating mechanism, compressor cylinder head cooling mode: and (5) circulating water cooling.

As shown in fig. 1 and 2, the hydrogen compressor for the hydrogen fuel cell forklift includes a gas pressurizing module 1, a medium transmission and control module 2, a base-cam module 3, a console 4, a cooling system 5, a transmission module 6, a power module 7 and a frame 8, wherein the medium transmission and control module 2 is arranged at one end of the frame 8, the base-cam module 3 is arranged in the middle of the frame 8, the console 4 and the cooling system 5 are arranged at the other end of the frame 8, and the transmission module 6 and the power module 7 are further arranged in the frame 8.

As shown in fig. 4 and 5, the base-cam module 3 is used for supporting and transmitting motion, and includes an upper base 21 and a lower base 22, the upper base 21 and the lower base 22 are fixedly connected through bolts, a cam shaft 24 is disposed between the upper base 21 and the lower base 22, a bearing 25 is sleeved in the middle of the cam shaft 24, the bearing 25 is connected with a connecting rod piston assembly 23, and a synchronous pulley 26 is fitted outside the cam shaft 24.

The gas pressurizing module 1 is fixed on the base-cam module 3 through a bolt, the cam-connecting rod-piston mechanisms are arranged in the base-cam module 3 and are mutually connected through a pin shaft, the connecting rod-piston do reciprocating motion up and down along with the rotation of the cam shaft, then the motion is transmitted to a secondary cylinder piston shaft in the gas pressurizing module 1, and the secondary cylinder piston shaft also does reciprocating motion up and down along with the rotation of the cam shaft; the base-cam module 3 is fixed at the middle position of the frame 8 through bolts; the power module 7 is arranged at one end in the frame 8 through a fixing bolt; the power module 7 and the base-cam module 3 are connected with each other through the transmission module 6 and transmit power to the camshaft; the inlet of a primary cylinder in the gas pressurization module 1 is connected with an inlet stop valve 13 in the medium transmission and control module 2 through an air inlet pipeline, medium gas enters a secondary cylinder from the inlet of the secondary cylinder through a pipeline between the inlet and the outlet for repressurization after being pressurized by the primary cylinder, and then high-pressure gas enters a downstream connecting pipeline of the medium transmission and control module 2 through the outlet of the secondary cylinder and is supplied with high-pressure gas downstream; the gas pressurizing module 1 can generate a large amount of heat in the working process, a cooling water inlet and outlet pipeline and a connector are uniformly arranged at the first and second cylinder ends at the moment, a water outlet valve 35 in the cooling system 5 is connected with a water inlet of the first and second cylinder ends in the gas pressurizing module 1 through a circulating water pipe, a water inlet valve 33 is connected with a water outlet of the first and second cylinder ends in the gas pressurizing module 1 through the circulating water pipe, the cooling system is started, circulating water continuously and circularly flows along the water pipe, the heat of the cylinder body is taken away, and the safe working of equipment is ensured; the console 4 is arranged on 8 the frame base for controlling and monitoring the operation of the whole apparatus.

Gas pressurizing module 1 can realize the two-stage pressure boost, finally satisfy the pressurization requirement of low reaches equipment, specifically contain one-level jar subassembly 11, second grade jar subassembly 20 and pipeline gas, one-level jar subassembly 11, through the tube coupling between the second grade jar subassembly 20, one-level jar subassembly 11 passes through tube coupling entry stop valve 13, entry stop valve 13 passes through tube coupling entry filter 14, entry filter 14 passes through tube coupling medium entry 15, second grade jar subassembly 20 passes through tube coupling export filter 19, export filter 19 passes through tube coupling high pressure outlet 18, manual relief valve 12 one end and one-level jar subassembly 11, the tube coupling between the second grade jar subassembly 20, the other end of manual relief valve 12 passes through tube coupling relief port 17.

The medium transmission and control module 2 comprises a filter, various pipelines, joints, a control valve, a pressure sensor and the like; as shown in fig. 3, in the medium gas flow direction, the medium gas enters the system pipeline from the medium inlet 15, enters the primary cylinder assembly 11 after passing through the inlet filter 14 and the inlet stop valve 13, enters the secondary cylinder assembly 20 after primary pressurization, passes through the connecting pipeline between the primary and secondary cylinders, performs secondary pressurization, and provides high-pressure hydrogen from the outlet of the secondary cylinder to the downstream through the downstream pipeline and the outlet filter 19 and the high-pressure outlet 18; after the equipment work, guarantee under the environment of safety accessible manual relief valve 12 and carry out the pressure release exhaust, equipment integration has high pressure relief valve and pressure sensor in addition, but automatic exhaust when system work superpressure guarantees safe in utilizationly.

As shown in fig. 6, the power module 7 for providing the compressor with original power includes a speed reducer 27 and a motor 28, and the speed reducer 27 and the motor 28 are connected to each other by a pin.

The motor in the power module drives the speed reducer to rotate at a certain rotating speed, the output end of the shaft of the speed reducer is sleeved with a synchronous belt wheel, the input end of the camshaft in the base cam module is also sleeved with a synchronous belt wheel, at the moment, the two synchronous belt wheels are connected through a synchronous belt, at the moment, the movement and the torque are transmitted to the camshaft driving the connecting rod piston to move through the transmission module, the first-stage cylinder and the second-stage cylinder of the compressor are made to alternately reciprocate, at the moment, the compressor normally works, the medium gas is continuously pressurized, and the downstream high-pressure container is inflated until the working target of the rated pressure is completed. In the process, the water cooler normally operates, cooling water circularly flows around the piston cylinder and in the water pipe, heat generated by the movement of the piston is continuously taken away, and the normal operation of equipment is ensured.

As shown in fig. 7, the cooling system 5 includes a water chiller 32, a water inlet valve 33, a water outlet valve 35, a blowdown valve 34 and a circulating water pipe 31, the bottom of the water chiller 32 is connected with the blowdown pipe 34, the middle part of the water chiller 32 is connected with the water inlet valve 33 and the water outlet valve 35, the cooling system 5 is used for cooling the cylinder head of the compressor and part of pipelines, and the specific work is that cooling water is continuously circulated and takes away a large amount of heat generated by the movement of the piston of the compressor; the whole compressor device can be ensured to work safely and reliably.

The transmission module 6 comprises a synchronous belt wheel and a synchronous belt and is used for transmitting torque to the camshaft.

The control platform: the system is integrated with a display screen and various electric control switches, and signals are collected and converged for actual control and monitoring;

the rated working pressure of the compressor is 35MPa, the aim is to charge a 52L hydrogen fuel cell forklift gas cylinder, and the gas cylinder can be fully charged in 20-30 min.

Claims

1. The utility model provides a hydrogen fuel cell is hydrogenation compressor for fork truck which characterized in that: the gas pressurization control device comprises a gas pressurization module, a medium transmission and control module, a base-cam module, a control platform, a cooling system, a transmission module, a power module and a frame, wherein the medium transmission and control module is arranged at one end of the frame, the base-cam module is arranged in the middle of the frame, the control platform and the cooling system are arranged at the other end of the frame, the transmission module and the power module are further arranged in the frame, the gas pressurization module is fixed on the base-cam module, the base-cam module is fixed at the middle position of the frame, the power module is arranged at one end in the frame, the power module is connected with the base-cam module through the transmission module, the cooling system is connected with the gas pressurization module through a circulating water pipe, the control platform is arranged on a base of the frame, and the gas pressurization module is connected with the medium transmission and control module through an air inlet pipeline.

2. The hydrogen compressor for a hydrogen fuel cell forklift as claimed in claim 1, wherein: the gas boosting module can realize two-stage boosting, contain one-level cylinder subassembly, second grade cylinder subassembly and pipeline, one-level cylinder subassembly, through the tube coupling between the second grade cylinder subassembly, one-level cylinder subassembly passes through tube coupling entry stop valve, the entry stop valve passes through tube coupling entry filter, the entry filter passes through the tube coupling medium entry, second grade cylinder subassembly passes through tube coupling exit filter, exit filter passes through tube coupling high pressure outlet, manual relief valve one end and one-level cylinder subassembly, tube coupling between the second grade cylinder subassembly, the other end of manual relief valve passes through the tube coupling relief opening.

3. The hydrogen compressor for a hydrogen fuel cell forklift as claimed in claim 1, wherein: the base-cam module is used for supporting and transmitting motion and comprises an upper base and a lower base, the upper base and the lower base are fixedly connected through bolts, a cam shaft is arranged between the upper base and the lower base, a bearing is sleeved in the middle of the cam shaft and connected with a connecting rod piston assembly, and a synchronous belt pulley is matched outside the cam shaft.

4. The hydrogen compressor for a hydrogen fuel cell forklift as claimed in claim 1, wherein: the power module is used for providing original power for the compressor and comprises a speed reducer and a motor, and the speed reducer is connected with the motor through a pin shaft.

5. The hydrogen compressor for a hydrogen fuel cell forklift as claimed in claim 1, wherein: the cooling system comprises a water cooler, a water inlet valve, a water outlet valve, a sewage draining valve and a circulating water pipe, wherein the bottom of the water cooler is connected with a sewage draining pipe, and the middle part of the water cooler is connected with the water inlet valve and the water outlet valve.

6. The hydrogen compressor for a hydrogen fuel cell forklift as claimed in claim 1, wherein: the transmission module comprises a synchronous belt wheel and a synchronous belt and is used for transmitting torque to the camshaft.