CN212825092U

CN212825092U - Self-locking device of manual turnover mechanism for turnover tool in fuel cell production

Info

Publication number: CN212825092U
Application number: CN202021786368.2U
Authority: CN
Inventors: 华周发; 陈煦帆; 刘震
Original assignee: Shandong Cube New Energy Technology Co Ltd
Current assignee: Shandong Cube New Energy Technology Co Ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-03-30
Anticipated expiration: 2030-08-22

Abstract

The utility model provides a manual turnover mechanism self-locking device used on a turnover tool for fuel cell production, which relates to the field of fuel cell production, and comprises an upper gear and a lower gear, wherein the gear radiuses of the upper gear and the lower gear are equal, the upper gear and the lower gear are rigidly connected by welding, the convex part of the upper gear corresponds to the concave part of the lower gear, a transmission shaft penetrates between the upper gear and the lower gear, and the transmission shafts are rigidly connected with the upper gear and the lower gear by welding, when the transmission shaft is rotated, the gear can be stopped rotating by matching the brake rod with the tooth root of the upper gear, when the rotation is stopped, the brake rod is clamped into the gear under the action of the reset device, so that the gear can not move under the condition of no external force, the whole device has simple structure and low cost, the cost of the fuel cell overturning tool can be reduced, and the fuel cell overturning tool is suitable for users with low requirements on the precision of the rotating angle in the assembling process.

Description

Self-locking device of manual turnover mechanism for turnover tool in fuel cell production

Technical Field

The utility model relates to a fuel cell produces technical field, especially relates to a manual tilting mechanism self-lock device that is used for fuel cell to produce on the upset frock.

Background

During the assembly of the fuel cell, it is often necessary to turn over the fuel cell for assembly due to product characteristics. At present, fuel cell assembly tools on the market are mostly fixed, the assembly tools with rotating function are mostly electric, self-locking of rotating devices is realized by utilizing clutches, turbine screws and the like, and the device is used on manual rotating devices and self-locking of manual rotating devices is realized by utilizing devices such as gears, springs and the like.

In the production and assembly of the fuel cell, the requirement on the transmission precision of the turnover mechanism is not high, and a plurality of complex self-locking devices with high cost are adopted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a self-locking device of a manual turnover mechanism for a turnover tool for fuel cell production.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a manual tilting mechanism self-lock device for on fuel cell production upset frock, including last gear and lower gear, the gear radius of going up gear and lower gear equals, and goes up gear and lower gear and pass through welding mode rigid connection, and the centre of a circle of going up gear and lower gear is on same axis, and the bulge of going up the gear is corresponding with the sunk part of lower gear, it has the transmission shaft to run through between last gear and the lower gear, and the centre of a circle of transmission shaft, last gear and lower gear is on same axis, and the transmission shaft all passes through welded mode rigid connection with last gear, lower gear, transmission shaft one end is equipped with the bottom plate, and the transmission shaft runs through the bottom plate, and bottom plate and transmission shaft swing joint.

Preferably, a brake rod is arranged at the recessed part of the upper gear, one end of the brake rod abuts against the recessed part of the upper gear, the brake rod is movably connected with the recessed part of the upper gear, a push rod is arranged at the other end of the brake rod, a pin shaft is arranged between the push rod and the brake rod, and the push rod and the brake rod are connected through the pin shaft.

Preferably, a circular baffle is fixed on the surface of the brake rod, a pushing disc is arranged on the surface of the brake rod close to the pushing rod and movably connected with the brake rod, a spring is arranged between the pushing disc and the circular baffle, and two ends of the spring are respectively fixedly connected with the circular baffle and the surface of the pushing disc.

Preferably, a protective shell is arranged on the outer side of the brake rod, the brake rod penetrates through the protective shell, the circular baffle, the spring and the pushing disc are located inside the protective shell, a bolt is arranged between the bottom of the protective shell and the bottom plate, and the protective shell and the bottom plate are fixedly connected through the bolt.

Preferably, the one end of catch bar is equipped with the telescopic link, and telescopic link and catch bar fixed connection, telescopic link one end is equipped with the cylinder, and cylinder and telescopic link swing joint, the cylinder bottom is fixed with the connecting plate, bolt fixed connection is passed through to connecting plate and bottom plate.

Preferably, the cross section of the root of the brake lever end part close to the upper gear and the root of the upper gear are the same, and the matching gap between the brake lever end part and the root of the upper gear is 0.2 mm.

Preferably, the surfaces of the teeth and the tooth roots of the upper gear and the lower gear are subjected to alkaline heating blackening and bluing treatment to form a dense oxide film protective layer, and the thickness of the oxide film protective layer is 0.5 mm.

Advantageous effects

The utility model discloses in, when the rotation transmission shaft, the tooth root department cooperation through brake lever and last gear can make gear stall, and brake lever makes the gear can't take place the motion under the condition of no exogenic action in the gear because resetting means's effect card goes into during stall.

The utility model discloses in, overall arrangement simple structure, it is with low costs, can reduce the cost of fuel cell upset frock, be applicable to the not high user of assembly process pairing rotation angle required precision.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a sectional view of the present invention.

Illustration of the drawings:

1. a drive shaft; 2. a lower gear; 3. an upper gear; 4. a fixing plate; 5. a protective shell; 6. a brake lever; 7. a push rod; 8. a telescopic rod; 9. a cylinder; 10. a connecting plate; 11. a bolt; 12. a circular baffle; 13. a spring; 14. pushing the disc; 15. and (7) a pin shaft.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1 and 2, a manual turnover mechanism self-locking device for a fuel cell production turnover tool comprises an upper gear 3 and a lower gear 2, the gear radii of the upper gear 3 and the lower gear 2 are equal, the upper gear 3 and the lower gear 2 are rigidly connected through a welding mode, the circle centers of the upper gear 3 and the lower gear 2 are on the same axis, the protruding portion of the upper gear 3 corresponds to the recessed portion of the lower gear 2, a transmission shaft 1 penetrates through the upper gear 3 and the lower gear 2, the circle centers of the transmission shaft 1, the upper gear 3 and the lower gear 2 are on the same axis, the transmission shaft 1 is rigidly connected with the upper gear 3 and the lower gear 2 through a welding mode, a fixing plate 4 is arranged at one end of the transmission shaft 1, the transmission shaft 1 penetrates through the fixing plate 4, and the fixing plate 4 is movably connected with the transmission shaft 1.

The integral self-locking device mainly comprises a protective shell 5, a reset device, a brake rod 6, an upper gear 3, a lower gear 2 and a transmission shaft 1, wherein the brake rod 6 limits the gear displacement on the transmission shaft 1 to realize the self-locking function of the rotating device, and the minimum positioning angle of the brake rod 6 to the gear is determined by the gear modulus.

Referring to fig. 3 and 4, a brake lever 6 is disposed at a recessed portion of an upper gear 3, one end of the brake lever 6 abuts against the recessed portion of the upper gear 3, the brake lever 6 is movably connected with the recessed portion of the upper gear 3, a push rod 7 is disposed at the other end of the brake lever 6, a pin 15 is disposed between the push rod 7 and the brake lever 6, the push rod 7 and the brake lever 6 are pinned by the pin 15, an expansion link 8 is disposed at one end of the push rod 7, the expansion link 8 is fixedly connected with the push rod 7, an air cylinder 9 is disposed at one end of the expansion link 8, the air cylinder 9 is movably connected with the expansion link 8, a connecting plate 10 is fixed at the bottom of the air cylinder 9, the connecting plate 10 is fixedly connected with a fixed plate 4 by a bolt 11, a circular baffle 12 is fixed on the surface of the brake lever 6, a push disk 14 is disposed on the surface of the brake lever 6 close to the push, and the both ends of spring 13 respectively with circular baffle 12, push away 14 fixed surface connections of driving disk, the brake lever 6 outside is equipped with protective housing 5, and brake lever 6 runs through protective housing 5, and circular baffle 12, spring 13 and push away driving disk 14 and all be located protective housing 5 inside, be equipped with bolt 11 between protective housing 5 bottom and the fixed plate 4, and protective housing 5 and fixed plate 4 pass through bolt 11 fixed connection.

When rotating transmission shaft 1, the tooth root department cooperation through brake lever 6 and last gear 3 can make gear stall, brake lever 6 makes the gear unable emergence motion under the condition of no exogenic action because resetting means's effect card is gone into the gear during stall, through cylinder 9 drive telescopic link 8, telescopic link 8 and catch bar 7 are fixed, the shrink of telescopic link 8 also can drive catch bar 7's shrink, catch bar 7 and brake lever 6 are fixed, under the initial condition, the tight protective housing 5 inner wall is pasted to push away driving disk 14, when catch bar 7 promotes

brake lever

6, 14 pressure spring 13 of push disk, and 6 tip of brake lever just laminate each other with the gear, when the gear needs to rotate, cylinder 9 drive telescopic link 8 shrink, the gear can normal rotation.

The cross sections of the roots of the brake rod 6 end part close to the upper gear 3 and the upper gear 3 are the same, the fit clearance between the brake rod 6 end part and the roots of the upper gear 3 is 0.2mm, the surfaces of the teeth and the roots of the upper gear 3 and the lower gear 2 are subjected to alkaline heating blackening and bluing treatment to form a compact oxide film protective layer, and the thickness of the oxide film protective layer is 0.5 mm.

The blackening treatment of the surfaces of the upper gear 3 and the lower gear 2 is also called as bluing treatment, and the principle is to rapidly oxidize the surfaces of the gears to form a compact oxide film protective layer, the blackening treatment has two methods of traditional alkaline heating blackening and later normal temperature blackening, and the blackening treatment of the upper gear 3 and the lower gear 2 is mainly used for adding an oxide protective layer on the surfaces of the gears to enhance the corrosion resistance and the wear resistance of the gears.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A manual tilting mechanism self-lock device for on fuel cell production upset frock, including last gear (3) and lower gear (2), its characterized in that: go up gear (3) and gear radius of lower gear (2) and equal, and go up gear (3) and gear (2) down through welding mode rigid connection, and the centre of a circle of going up gear (3) and gear (2) down is on same axis, and the bulge of going up gear (3) is corresponding with the sunk part of gear (2) down, it has transmission shaft (1) to run through between gear (3) and gear (2) down, and the centre of a circle of transmission shaft (1), last gear (3) and gear (2) down is on same axis, and transmission shaft (1) all with last gear (3), gear (2) down through welded mode rigid connection, transmission shaft (1) one end is equipped with fixed plate (4), and transmission shaft (1) run through fixed plate (4), and fixed plate (4) and transmission shaft (1) swing joint.

2. The self-locking device of the manual turnover mechanism for the turnover tool for fuel cell production, as claimed in claim 1, is characterized in that: the brake device is characterized in that a brake rod (6) is arranged on a recessed portion of the upper gear (3), one end of the brake rod (6) is abutted to the recessed portion of the upper gear (3), the brake rod (6) is movably connected with the recessed portion of the upper gear (3), a push rod (7) is arranged at the other end of the brake rod (6), a pin shaft (15) is arranged between the push rod (7) and the brake rod (6), and the push rod (7) is connected with the brake rod (6) through the pin shaft (15).

3. The self-locking device of the manual turnover mechanism for the turnover tool for fuel cell production, as claimed in claim 2, is characterized in that: the brake device is characterized in that a circular baffle (12) is fixed on the surface of the brake rod (6), a pushing disc (14) is arranged on the surface of the brake rod (6) close to the pushing rod (7), the pushing disc (14) is movably connected with the brake rod (6), a spring (13) is arranged between the pushing disc (14) and the circular baffle (12), and two ends of the spring (13) are fixedly connected with the circular baffle (12) and the pushing disc (14) respectively.

4. The self-locking device of the manual turnover mechanism for the turnover tool for fuel cell production, as claimed in claim 2, is characterized in that: protective housing (5) are arranged on the outer side of brake lever (6), brake lever (6) penetrates through protective housing (5), round baffle plate (12), spring (13) and pushing disc (14) are located inside protective housing (5), bolt (11) is arranged between the bottom of protective housing (5) and fixing plate (4), and protective housing (5) and fixing plate (4) are fixedly connected through bolt (11).

5. The self-locking device of the manual turnover mechanism for the turnover tool for fuel cell production, as claimed in claim 2, is characterized in that: the one end of catch bar (7) is equipped with telescopic link (8), and telescopic link (8) and catch bar (7) fixed connection, telescopic link (8) one end is equipped with cylinder (9), and cylinder (9) and telescopic link (8) swing joint, cylinder (9) bottom is fixed with connecting plate (10), bolt (11) fixed connection is passed through to connecting plate (10) and fixed plate (4).

6. The self-locking device of the manual turnover mechanism for the turnover tool for fuel cell production, as claimed in claim 2, is characterized in that: the cross sections of the tooth roots of the end part of the brake rod (6) close to the upper gear (3) and the upper gear (3) are the same, and the fit clearance between the end part of the brake rod (6) and the tooth root of the upper gear (3) is 0.2 mm.

7. The self-locking device of the manual turnover mechanism for the turnover tool for fuel cell production, as claimed in claim 1, is characterized in that: the surfaces of the teeth and the tooth roots of the upper gear (3) and the lower gear (2) are subjected to alkaline heating blackening and bluing treatment to form compact oxide film protective layers, and the thickness of each oxide film protective layer is 0.5 mm.