CN114086199B - PEM (proton exchange membrane) electrolytic hydrogen production device convenient to overhaul - Google Patents

Abstract

The present invention provides a PEM electrolytic hydrogen production device that is easy to repair, including a PEM electrolytic hydrogen production main body, which also includes: a fixed frame, the fixed frame surrounds the bottom of the PEM electrolytic hydrogen production main body; a maintenance mechanism, including a connecting seat , a carrying frame, a loading plate and a moving part, one end of the connecting seat is slidably connected to the fixed frame, the carrying frame is connected to the other end of the connecting seat, and the loading plate is slidably connected to the carrying frame, the moving part is arranged on the carrying frame, for the carrying frame to move along the fixed frame; the lifting mechanism, the lifting mechanism is arranged on the carrying frame and connected to the loading plate, for Driving the loading plate up and down. The hydrogen production device of the present invention is provided with a movable maintenance mechanism, which cooperates with the lifting mechanism to facilitate the maintenance and maintenance of the hydrogen production equipment.

Description

An easy-to-maintain PEM electrolytic hydrogen production device

technical field

The invention relates to the technical field of electrolytic hydrogen production, in particular to a PEM electrolytic hydrogen production device which is convenient for maintenance.

Background technique

The perfluorosulfonic acid proton exchange membrane with good chemical stability, proton conductivity, and gas separation is selected as the solid electrolyte to replace the asbestos membrane for hydrogen production by PEM water electrolysis, which can effectively prevent electron transfer and improve the safety of the electrolyzer; and AE hydrogen production Compared with PEM water electrolysis, hydrogen production has higher working current density, higher overall efficiency, higher hydrogen gas integral fraction, higher gas production pressure, faster dynamic response speed, and can adapt to the volatility of renewable energy power generation. Water electrolysis hydrogen production technology with great development prospects, so PEM electrolysis hydrogen production device has been widely used in related fields;

For example, the patent CN110016682B discloses a water electrolysis hydrogen production device, including a bottom plate, the top surface of the bottom plate is lapped with a water electrolysis box, the bottom of the water electrolysis box is fixedly equipped with supporting feet, and the bottom of the water electrolysis box The support feet are overlapped with the bottom plate, and the right side of the top surface of the bottom plate is fixedly installed with a fixed bar and a magnetic baffle, and the fixed bar is located on both sides of the magnetic baffle, and the top of the fixed bar is lapped with a battery , the bottom of the storage battery is fixedly installed with a support bar and an adsorption plate. In the water electrolysis hydrogen production device, the adsorption plate is separated from the magnetic baffle by pumping the battery, and the battery and the support bar slide with the bottom plate and the fixing bar to remove the battery, and the suspension ring can be taken out by pulling out the suspension ring from the suspension rod. Through the air pipe and the air intake funnel, the third connecting pipe can be twisted to detach the liquid injection funnel, so as to achieve the effect of flexible disassembly and assembly of multiple components, and it is more convenient to use.

However, in the prior art, the overall volume of the PEM electrolytic hydrogen production device is large, most of which are similar to the above-mentioned patents, and lack of maintenance mechanism, which makes the equipment maintenance and maintenance very inconvenient. Therefore, there is a need for an electrolytic hydrogen production device with a maintenance mechanism.

Contents of the invention

In view of this, it is necessary to provide a PEM electrolytic hydrogen production device that is easy to repair, so as to solve the technical problem that the hydrogen production device in the prior art lacks a maintenance mechanism.

In order to achieve the above technical objectives, the technical solution of the present invention provides a PEM electrolytic hydrogen production device that is easy to overhaul, including a PEM electrolytic hydrogen production main body, which also includes:

a fixed frame, the fixed frame surrounds the bottom of the PEM electrolytic hydrogen production main body;

The maintenance mechanism includes a connecting seat, a carrying frame, a loading plate and a moving part. One end of the connecting seat is slidably connected to the fixed frame, the carrying frame is connected to the other end of the connecting seat, and the loading plate Slidingly connected to the carrying frame, the moving part is arranged on the carrying frame for the carrying frame to move along the fixed frame;

A lifting mechanism, the lifting mechanism is arranged on the carrying frame and connected to the loading board, and is used to drive the loading board up and down.

Further, the lifting mechanism includes a support frame, a screw, a lifting motor, a connecting block and a guide slide bar, the support frame is connected to the carrying frame, the screw is rotatably connected to the support frame, and the lifting motor is set On the support frame and its output end is connected to the screw rod, one end of the connecting block is provided with a threaded hole, and the other end is connected to the loading plate, and the connecting block is threadedly connected to the A screw rod, the guide slide rod is connected to the support frame and arranged parallel to the screw rod, and the guide slide rod passes through the connecting block.

Further, it also includes positioning posts, the number of which is multiple, and the plurality of positioning posts are arranged around and spaced apart from the fixed frame.

Further, it also includes a locking mechanism, which includes a lifting block, a locking motor, a driving gear, two racks, two clamping ends and their lifting ends, and the lifting block is slidably connected to the carrying There is a groove on the top of the frame, the locking motor is set on the lifting block and its output end is inserted into the groove, the driving gear is built into the groove and sleeved on the locking At the output end of the motor, the two racks are respectively arranged on both sides of the driving gear and meshed with the driving gear, the racks are slidably connected to the inner wall of the groove, and the two clamping ends are arranged At the bottom of the lifting block and connected to the two racks respectively, the two racks can be driven to move relative to each other through the locking motor, so as to drive the two clamping ends to clamp the positioning The lifting end is arranged on the carrying frame and connected to the lifting block, so as to drive the lifting block to move up and down.

Further, the lifting end includes a fixed plate, a U-shaped seat, a transmission rod, two transmission gears, a deriving rack, a driving motor and a driving wheel, the fixed plate is connected to the support frame, and the U-shaped seat is connected to On the fixed plate, the transmission rod crosses the U-shaped seat, the two transmission gears are respectively connected to the two ends of the transmission rod, and one end of the derivation rack is connected to the lifting block, The other end meshes with one of the transmission gears, the driving motor is arranged on the fixed plate, the driving wheel is connected to the output end of the driving motor and meshes with the other transmission gear to drive the Deriving the rack drives the lifting block to move up and down.

Further, the fixed frame is provided with a chute, and also includes a linkage mechanism, the linkage mechanism includes a linkage plate, a rotating shaft and a sliding piece, one end of the linkage plate is connected to the connecting seat, and the rotating shaft is rotatably connected to the The other end of the linkage plate, the sliding piece is connected to the rotating shaft and rotatably connected to the slide groove.

Further, a limiting rod is also included, and the limiting rod is arranged at the bottom of the fixing plate and is arranged relative to the deriving rack.

Further, the moving parts are rollers, and the rollers are arranged at the bottom of the carrying frame.

Further, one end of the clamping end is set in an arc shape.

Further, the height of the positioning column is smaller than the maximum lifting height of the lifting block.

Compared with the prior art, the beneficial effects of the present invention include: the hydrogen production device of the present invention is provided with a maintenance mechanism, the maintenance mechanism is connected with the main body of electrolytic hydrogen production, and it is also provided with a moving structure and a lifting structure, and the maintenance mechanism is provided with On the load plate, the operator can ride the maintenance mechanism, and through the cooperation of the moving structure and the lifting structure, the operator can be moved to the place where the main body of the electrolytic hydrogen production needs to be repaired and maintained as required. The structure is simple and easy to use.

Description of drawings

Fig. 1 is the embodiment provided by the present invention-the structural representation of the PEM electrolytic hydrogen production device that is convenient for maintenance;

Fig. 2 is the embodiment provided by the present invention - the structural representation of the maintenance mechanism in the PEM electrolytic hydrogen production device that is convenient for maintenance;

Fig. 3 is the embodiment provided by the present invention - the structural schematic diagram of the lifting mechanism in the PEM electrolytic hydrogen production device that is convenient for maintenance;

Fig. 4 is an embodiment provided by the present invention-a structural schematic diagram of a locking mechanism in a PEM electrolytic hydrogen production device that is convenient for maintenance;

Fig. 5 is an embodiment provided by the present invention-a schematic structural view of the lifting end in the PEM electrolytic hydrogen production device for easy maintenance;

Fig. 6 is a structural schematic diagram of the linkage mechanism in the PEM electrolytic hydrogen production device that is convenient for maintenance according to the embodiment provided by the present invention.

Detailed ways

Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.

Referring to Fig. 1, the present invention provides a PEM electrolytic hydrogen production device that is easy to overhaul, including a PEM electrolytic hydrogen production main body 100, which also includes a fixed frame 1, an overhaul mechanism 2 and a lifting mechanism 3, and the fixed frame 1 is installed to the PEM On the electrolytic hydrogen production main body 100 , the maintenance mechanism 2 is slidably connected to the fixed frame 1 , and the lifting mechanism 3 is arranged on the maintenance mechanism 2 .

The PEM electrolytic hydrogen production main body 100 is used to complete the water electrolytic hydrogen production work, the fixed frame 1 is installed on the PEM electrolytic hydrogen production main body 100, and is used to connect the maintenance mechanism 2, and the maintenance mechanism 2 is used to carry operators and move to the PEM electrolysis system. Where the hydrogen main body 100 needs to be overhauled and maintained, the lifting mechanism 3 is installed on the overhaul mechanism 2 to adjust the height of the overhaul mechanism 2, making it suitable for the larger PEM electrolytic hydrogen production main body 100, which is convenient for operators to overhaul and maintenance work.

The fixed frame 1 surrounds the bottom of the PEM electrolytic hydrogen production main body 100; the fixed frame 1 is also provided with a plurality of positioning columns 11, and a plurality of the positioning columns 11 are surrounded and arranged at intervals around the fixed frame 1 .

Referring to Fig. 2, the maintenance mechanism 2 includes a connecting seat 21, a carrying frame 22, a loading plate 23 and a moving part 24, one end of the connecting seat 21 is slidably connected to the fixed frame 1, and the carrying frame 22 is connected to The other end of the connecting seat 21, the loading plate 23 is slidingly connected to the carrying frame 22, and the moving part 24 is arranged on the carrying frame 22, wherein, the loading plate 23 is used to carry the operator, and the carrying The object board 23 is also provided with a protective fence, and the moving part 24 is a roller, and the roller is arranged on the bottom of the carrying frame 22, and is used for the moving of the carrying frame 22 relative to the fixed frame 1. A motor can also be provided for driving the carrying frame 22 to move.

Referring to Fig. 3, described elevating mechanism 3 comprises support frame 31, screw rod 32, lifting motor 33, connecting block 34 and guide slide bar 35, and described support frame 31 is connected with described carrying frame 22, and described screw rod 32 is connected in rotation The support frame 31 is vertically connected to the carrying frame 22, the lifting motor 33 is arranged on the support frame 31 and its output end is connected to the screw rod 32, and one end of the connecting block 34 is provided with a threaded hole , the other end is connected to the loading plate 23, the connecting block 34 is screwed to the screw rod 32 through the threaded hole, and the guide slide bar 35 is connected to the support frame 31 and parallel to the screw rod 32 It is provided that the guide sliding rod 35 passes through the connecting block 34 . The rotation of the screw rod 32 can be controlled by the lifting motor 33, and the screw rod 32 can drive the connecting block 34 and the loading plate 23 to rotate, but the guide slide bar 35 passes through the connecting block 34, which limits the rotation of the connecting block 34 and forms a screw drive structure. At this time, the connecting block 34 can be lifted up and down along the screw rod 32 to drive the loading plate 23 up and down, so as to adjust the height of the loading plate 23 and transport the operator to the designated position on the PEM electrolytic hydrogen production main body 100 .

Referring to Fig. 4, the hydrogen production device also includes a locking mechanism 4, which includes a lifting block 41, a locking motor 42, a driving gear 43, two racks 44, two clamping ends 45 and its lifting end 46, the lifting block 41 is slidably connected to the carrying frame 22 and has a groove 411 on its top, the locking motor 42 is installed on the top of the lifting block 41 through a mounting bracket and its output end is inserted vertically In the groove 411, the driving gear 43 is built in the groove 411 and sleeved on the output end of the locking motor 42, and the two racks 44 are respectively arranged on the two sides of the driving gear 43. side and meshed with the driving gear 43, the rack 44 is slidably connected to the inner wall of the groove 411, and the two clamping ends 45 are arranged at the bottom of the lifting block 41 and pass through the lifting block 41 They are respectively connected to the two racks 44, and the two racks 44 can be driven to move relatively by the locking motor 42, so as to drive the two clamping ends 45 to clamp the positioning column 11, so The lifting end 46 is disposed on the carrying frame 22 and connected to the lifting block 41 for driving the lifting block 41 to move up and down. Wherein, one end of the clamping end 45 is set in an arc shape, which is convenient for it to clamp the positioning column 11, and the height of the positioning column 11 is smaller than the maximum lifting height of the lifting block 41. In the initial state, the clamping end 45 Located above the positioning column 11, the carrying frame 22 can move along the fixed frame 1 through the rollers 24. After the carrying frame 22 moves to a designated position, the lifting block 41 and the clamping end 45 are controlled to descend through the lifting end 46, so that the two clamping ends The holding ends 45 are respectively located on both sides of the positioning column 11, and then the locking motor 42 drives the driving gear 43 to rotate, and the driving gear 43 drives the two racks 44 and the holding ends 45 to move relatively, so that the two holding ends can be controlled. 45 clamps the positioning column 11 to fix the carrying frame 22 to prevent it from moving again when the operator is overhauling the equipment.

5, the lift end 46 includes a fixed plate 461, a U-shaped seat 462, a transmission rod 463, two transmission gears 464, a derivation rack 465, a drive motor 466 and a drive wheel 467, and the fixed plate 461 is connected to the The support frame 31, the U-shaped seat 462 is connected to the fixed plate 461, the transmission rod 463 traverses through the U-shaped seat 462, and the two transmission gears 464 are respectively connected to the ends of the transmission rod 463. One end of the deriving rack 465 is connected to the lifting block 41, the other end is engaged with one of the transmission gears 464, the driving motor 466 is arranged on the fixed plate 461, and the driving wheel 467 is connected to The output end of the driving motor 466 is engaged with another transmission gear 464 to drive the deriving rack 465 to drive the lifting block 41 to move up and down. Wherein, a limit rod 468 is also arranged on the fixed plate 461, and the limit rod 468 is installed on the bottom of the fixed plate and is arranged relative to the deriving rack 465 to limit the lifting of the deriving rack 465 and the lifting block 41. height, when it is necessary to control the lifting block 41 to move up and down, start the driving motor 466, the driving motor 466 drives the driving wheel 467 to rotate, and the driving wheel 467 drives the transmission gear 464 and the transmission rod 463 to rotate, thereby controlling the transmission gear 464 to drive the derivation rack 465 Lifting, deriving the rack 465 can drive the lifting block 41 to lift, so as to complete the lifting of the two clamping ends 45, so that the clamping end 45 of the carrying frame 22 can not be disturbed by the positioning column 11 when it moves.

Referring to Fig. 6, as a preferred embodiment, the fixed frame 1 is also provided with a chute 12, and the hydrogen production device also includes a linkage mechanism 5, and the linkage mechanism 5 includes a linkage plate 51, a rotating shaft 52 and a sliding piece 53, so One end of the linkage plate 51 is connected to the connecting seat 21, the rotating shaft 52 is rotatably connected to the other end of the linkage plate 51, and the sliding piece 53 is connected to the rotating shaft 52 and rotatably connected to the chute 12. . Wherein, the diameter of the sliding piece 53 is determined according to the size of the chute 12, the sliding piece 53 is rotated and inserted into the chute 12, and it is also connected to the carrying frame 22 at the same time, which can play a role in guiding the carrying frame 22 to move along the fixed frame 1 .

The working principle of the embodiment provided by the present invention is as follows: the hydrogen production device of the present invention is provided with a fixed frame and an overhaul mechanism. The overhaul mechanism mainly includes a carrying frame and a loading plate that can carry people. Tightening mechanism, the bottom of which is also equipped with rollers and connected with the fixed frame through the linkage mechanism, the loading frame can be moved to the position where the electrolytic hydrogen production main body needs to be repaired through the rollers, and then the loading plate is controlled by the lifting mechanism to allow the loading plate to carry The operator reaches the required height, and then fixes the column carrying frame through the locking mechanism to prevent it from shifting.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention.

Claims (6)

1. An easy-to-maintain PEM electrolytic hydrogen production device, comprising a PEM electrolytic hydrogen production main body, characterized in that it also includes: a fixed frame, the fixed frame surrounds the bottom of the PEM electrolytic hydrogen production main body; The maintenance mechanism includes a connecting seat, a carrying frame, a loading plate and a moving part. One end of the connecting seat is slidably connected to the fixed frame, the carrying frame is connected to the other end of the connecting seat, and the loading plate Slidingly connected to the carrying frame, the moving part is arranged on the carrying frame for the carrying frame to move along the fixed frame; The lifting mechanism includes a support frame, a screw, a lifting motor, a connecting block and a guide slide bar, the support frame is connected to the carrying frame, the screw rod is rotatably connected to the support frame, and the lifting motor is arranged on the support frame and its output end is connected to the screw rod, one end of the connecting block is provided with a threaded hole, and the other end is connected to the loading plate, the connecting block is threadedly connected to the screw rod through the threaded hole, the The guide slide bar is connected to the support frame and arranged parallel to the screw rod, and the guide slide bar passes through the connecting block; It also includes positioning columns, the number of the positioning columns is multiple, and the plurality of positioning columns are surrounded and arranged on the fixed frame at intervals; It also includes a locking mechanism, which includes a lifting block, a locking motor, a driving gear, two racks, two clamping ends and a lifting end thereof, the lifting block is slidably connected to the carrying frame and its There is a groove on the top, the locking motor is set on the lifting block and its output end is inserted into the groove, the driving gear is built into the groove and sleeved on the output of the locking motor The two racks are respectively arranged on both sides of the driving gear and meshed with the driving gear, the racks are slidably connected to the inner wall of the groove, and the two clamping ends are arranged on the The bottom of the lifting block is connected to the two racks respectively, and the two racks can be driven to move relative to each other through the locking motor, so as to drive the two clamping ends to clamp the positioning column. The lifting end is arranged on the carrying frame and connected to the lifting block to drive the lifting block to move up and down; The lifting end includes a fixed plate, a U-shaped seat, a transmission rod, two transmission gears, a derivation rack, a driving motor and a driving wheel, the fixed plate is connected to the support frame, and the U-shaped seat is connected to the A fixed plate, the transmission rod passes through the U-shaped seat horizontally, the two transmission gears are respectively connected to both ends of the transmission rod, one end of the deriving rack is connected to the lifting block, and the other end is engaged In one of the transmission gears, the driving motor is arranged on the fixed plate, and the driving wheel is connected to the output end of the driving motor and meshed with the other transmission gear to drive the deriving rack Drive the lifting block to move up and down. 2. The easy-to-maintain PEM electrolytic hydrogen production device according to claim 1, characterized in that: the fixed frame is provided with a chute, and also includes a linkage mechanism, the linkage mechanism includes a linkage plate, a rotating shaft and a sliding piece, so One end of the linkage plate is connected to the connecting base, the rotating shaft is rotatably connected to the other end of the linkage plate, and the sliding sheet is connected to the rotating shaft and rotatably connected to the slide slot. 3. The easy-to-maintain PEM electrolytic hydrogen production device according to claim 1, further comprising a limit rod, the limit rod is arranged at the bottom of the fixing plate and is arranged opposite to the deriving rack. 4. The easy-to-maintain PEM electrolytic hydrogen production device according to claim 1, characterized in that: the moving part is a roller, and the roller is arranged at the bottom of the carrying frame. 5. The easy-to-maintain PEM electrolytic hydrogen production device according to claim 1, characterized in that: one end of the clamping end is set in an arc shape. 6. The easy-to-maintain PEM electrolytic hydrogen production device according to claim 1, characterized in that: the height of the positioning column is smaller than the maximum lifting height of the lifting block.

Images