CN114657341B - Engine crankshaft quenching equipment and method for hydrogen energy hybrid commercial vehicle - Google Patents
Engine crankshaft quenching equipment and method for hydrogen energy hybrid commercial vehicle Download PDFInfo
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- CN114657341B CN114657341B CN202210393212.5A CN202210393212A CN114657341B CN 114657341 B CN114657341 B CN 114657341B CN 202210393212 A CN202210393212 A CN 202210393212A CN 114657341 B CN114657341 B CN 114657341B
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- 230000000171 quenching effect Effects 0.000 title claims abstract description 38
- 238000010791 quenching Methods 0.000 title claims abstract description 35
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000001257 hydrogen Substances 0.000 title claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000009950 felting Methods 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 22
- 239000010687 lubricating oil Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/30—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for crankshafts; for camshafts
Abstract
The invention discloses a quenching device and a quenching method for an engine crankshaft of a hydrogen energy hybrid power commercial vehicle, and relates to the technical field of engine crankshafts.
Description
Technical Field
The invention relates to the technical field of engine crankshafts, in particular to equipment and a method for producing and quenching an engine crankshaft of a hydrogen energy hybrid power commercial vehicle.
Background
The crankshaft is the most important part in the engine, it bears the force transmitted by the connecting rod, and convert it into torque, output through the crankshaft and drive other accessories on the engine to work, the crankshaft is subjected to centrifugal force of the rotating mass, combined action of gas inertial force and reciprocating inertial force of periodic variation, make the crankshaft bear the action of bending torsion load, therefore the crankshaft needs to possess sufficient intensity and rigidity in the production process, the journal surface needs to be wear-resistant, work uniformly, equilibrium is good, in order to improve intensity and rigidity of the crankshaft, the crankshaft usually strengthens or improves its performance through the flow such as quenching in the production process, make the crankshaft have longer life and working efficiency through this kind of improvement.
The invention discloses quenching equipment for producing automobile engine crankshafts and a processing method, and relates to the field of crankshaft quenching equipment. According to the invention, the circulation effect of cooling oil is realized through the second transmission belt, the third transmission gear, the spiral disc, the circulation pipe and the like, the rotation of the second clamping wheel drives the fourth transmission gear to rotate, the rotation of the fourth transmission gear drives the spiral disc to rotate in the circulation pipe, the rotation of the spiral disc transfers the cooling oil in the cooling tank into the circulation pipe, the cooling oil in the circulation pipe is circulated into the oil tank for continuous use, and by the measure, the cooling oil does not need to be circulated by an additional device, so that the construction or installation cost of the equipment body on related equipment is reduced.
However, in the prior art, the crankshaft is directly immersed in the quenching liquid, and since the surface of the crankshaft is provided with the lubricating oil holes, water films are easily formed on the surfaces of the lubricating oil holes in the quenching process, so that the quenching liquid cannot be immersed in the lubricating oil holes, and the lubricating oil holes of the crankshaft cannot be subjected to good quenching treatment, thereby affecting the quenching effect in the lubricating oil pore canal, and therefore, improvement is needed.
Disclosure of Invention
The invention provides a quenching device for a crankshaft of an engine of a hydrogen energy hybrid commercial vehicle and a production method thereof, and aims to solve the problems in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a hydrogen energy hybrid commercial car engine crankshaft quenching equipment, includes first backup pad, first cylinder is installed to the bottom of first backup pad, the output of first cylinder is provided with the support frame, mechanical tongs are installed to the bottom symmetry of support frame, first motor is installed to the lateral wall of support frame, the output fixedly connected with revolving plate of first motor, the surface mounting of revolving plate has the second motor, the output fixedly connected with lead screw of second motor, the outer wall threaded connection of lead screw has the movable plate, the lateral wall symmetry fixedly connected with guide arm of revolving plate, the guide arm runs through the movable plate, movable plate and guide arm sliding connection, the second cylinder is installed to the bottom of movable plate, the output of second cylinder is provided with the felting needle.
As a preferable scheme of the invention, the rotating plate is semicircular, the central shaft of the screw rod deviates from the central shaft of the rotating plate, the output end of the screw rod is rotationally connected with the first connecting plate, and one end of the guide rod, which is far away from the rotating plate, is fixedly connected with the first connecting plate.
As a preferable scheme of the invention, the side wall of the supporting frame is provided with a first chute, the side wall of the first connecting plate is fixedly connected with a sliding block, and the sliding block is in sliding connection with the first chute.
As a preferable scheme of the invention, the bottom of the movable plate is fixedly connected with a second supporting plate, the surface of the second supporting plate is fixedly connected with a fixed pipe, the outer wall of the fixed pipe is connected with the movable pipe in a sliding way, the movable pipe is fixedly connected with the output end of a second cylinder, the inner wall of the movable pipe is rotationally connected with a first rotating rod, the lower end of the first rotating rod is fixedly connected with a track rod, the track rod penetrates through the second supporting plate, the lower end of the track rod is fixedly connected with a puncture needle, the surface of the track rod is provided with a second sliding groove, the side wall of the fixed pipe is fixedly connected with a fixed plate, the side wall of the fixed plate is provided with a second groove, the second groove is internally connected with a first sliding column through a second spring, and the first sliding column is slidingly connected in the second sliding groove.
As a preferred embodiment of the present invention, the second chute includes a first vertical portion and a spiral portion, the spiral portion surrounds the track rod one round, a lowest point of the spiral portion is communicated with a lowest point of the first vertical portion, and a highest point of the spiral portion is communicated with a highest point of the first vertical portion.
As a preferable scheme of the invention, the upper end of the fixed pipe is provided with a first groove, a first spring is fixedly connected in the first groove, and one end of the first spring, which is far away from the fixed pipe, is fixedly connected with the inner top of the moving pipe.
As a preferable scheme of the invention, the pricking pin is conical, the cross section of one end of the pricking pin, which is close to the second cylinder, is larger than the cross section of one end of the pricking pin, which is far away from the second cylinder, and the outer wall of the pricking pin is fixedly connected with the spiral plate.
As a preferable scheme of the invention, the output end of the first cylinder is fixedly connected with a concave plate, the inner wall of the concave plate is fixedly connected with a fixed rod, the outer wall of the fixed rod is connected with a second connecting plate in a sliding way, the bottom of the second connecting plate is fixedly connected with a supporting frame, a third spring is fixedly connected between the second connecting plate and the concave plate, the surface of the first supporting plate is provided with a third sliding groove, the surface of the second connecting plate is fixedly connected with a second sliding column, the second sliding column is connected in the third sliding groove in a sliding way, and the third sliding groove comprises a second vertical part and a wavy part.
As a preferred scheme of the invention, the production method of the engine crankshaft quenching equipment of the hydrogen energy hybrid commercial vehicle comprises the following specific steps:
step one: the mechanical gripper is controlled to grip the crankshaft, and the first cylinder is started to send the crankshaft into the cooling pool for quenching;
step two: when the crankshaft is completely contacted with the cooling liquid, the crankshaft is continuously lowered, and the crankshaft is rocked while the crankshaft is lowered;
step three: when the crankshaft is completely contacted with the cooling liquid, the first motor, the second motor and the second cylinder are controlled to puncture a water film formed on the surface of an oil hole on the crankshaft by the puncture needle;
step four: when the pricker pierces the water film formed on the surface of the oil hole on the crankshaft, the pricker rotates, and under the action of the spiral plate, the pricker is enabled to spiral and convey the cooling liquid into the oil hole in the rotating process.
Compared with the prior art, the invention has the advantages that:
(1) The control machinery tongs snatch the bent axle, start first cylinder and send the bent axle to the cooling bath in quenching, when the bent axle is complete when contacting with the coolant liquid, start first motor drive revolving plate and rotate, through the design to slider and first spout, make things convenient for first connecting plate to take place to rotate under the driving action of first motor, simultaneously, can restrict the rotation angle of revolving plate, start second motor drive lead screw and rotate, through the design to the guide arm, make things convenient for the rotation of lead screw to drive the movable plate and remove, the removal of movable plate drives the felting needle and removes, thereby adjust the position of felting needle on three-dimensional space, start second cylinder drive felting needle to pierce in the oilhole, thereby puncture the water film that the oilhole surface formed, improve the quenching effect in the oilhole passageway.
(2) The second cylinder is started to drive the moving pipe to slide downwards on the outer wall of the fixed pipe, the moving of the moving pipe drives the first rotating rod to move downwards, the moving of the first rotating rod drives the track rod to move downwards, at the moment, the first sliding column slides in the first vertical part, the pricking pin pierces a water film formed on the surface of the oil hole, when the first sliding column is at the highest point of the first vertical part, the second cylinder is controlled to enable the moving pipe to move upwards, in the process, the first sliding column moves in the spiral part, so that the pricking pin can rotate when moving upwards, and due to the fact that the spiral plate is fixedly connected to the outer wall of the pricking pin, the rotation of the spiral plate accelerates the flow of cooling liquid near the oil hole, so that the cooling liquid is improved to enter the oil hole channel, and quenching efficiency of the oil hole channel is improved.
(3) When the first cylinder is started to drive the concave plate to move downwards, the crankshaft just completely dips into the cooling liquid when the second sliding column moves to the lowest point of the second vertical part, the supporting frame is continuously moved downwards, the second sliding column slides in the wavy part, and the second connecting plate is connected with the outer wall of the fixed rod in a sliding manner, and a third spring is fixedly connected between the second connecting plate and the concave plate, so that the second connecting plate can shake when moving downwards, the crankshaft shakes in the cooling liquid, and the quenching efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention
FIG. 2 is a schematic view of a portion of the structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of A-A in FIG. 2 according to the present invention.
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a track rod according to an embodiment of the present invention
Fig. 6 is a schematic diagram of a first supporting board structure according to an embodiment of the invention.
The reference numerals in the figures illustrate:
1. a first support plate; 2. a first cylinder; 3. a support frame; 4. a moving plate; 5. a second cylinder; 6. a needle; 7. a mechanical gripper; 8. a first motor; 9. a rotating plate; 10. a second motor; 11. a screw rod; 12. a guide rod; 13. a first connector plate; 14. a first chute; 15. a slide block; 16. a second support plate; 17. a fixed tube; 18. a moving tube; 19. a first groove; 20. a first spring; 21. a first rotating lever; 22. a track bar; 23. a second spring; 24. a first strut; 25. a second chute; 251. a first vertical portion; 252. a spiral part; 26. a fixing plate; 27. a second groove; 28. a spiral plate; 29. a concave plate; 30. a fixed rod; 31. a third chute; 311. a second vertical portion; 312. a wavy portion; 32. a second strut; 33. a third spring; 34. a second connector plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, a quenching device for an engine crankshaft of a hydrogen energy hybrid commercial vehicle comprises a first supporting plate 1, wherein a first air cylinder 2 is installed at the bottom of the first supporting plate 1, a supporting frame 3 is arranged at the output end of the first air cylinder 2, mechanical grippers 7 are symmetrically installed at the bottom of the supporting frame 3, a first motor 8 is installed on the side wall of the supporting frame 3, a rotating plate 9 is fixedly connected with the output end of the first motor 8, a second motor 10 is installed on the surface of the rotating plate 9, a lead screw 11 is fixedly connected with the output end of the second motor 10, a movable plate 4 is connected with the outer wall of the lead screw 11 in a threaded manner, a guide rod 12 is symmetrically and fixedly connected with the side wall of the rotating plate 9, the lead screw 11 is positioned between the two guide rods 12, the guide rod 12 penetrates through the movable plate 4, the movable plate 4 is in sliding connection with the guide rod 12, a second air cylinder 5 is installed at the bottom of the movable plate 4, and a puncture needle 6 is arranged at the output end of the second air cylinder 5.
The rotating plate 9 is semicircular, and because the central axis of the screw rod 11 deviates from the central axis of the rotating plate 9, the angle of the screw rod 11 in the Y-Z plane can be adjusted by driving the rotating plate 9 to rotate, the output end of the screw rod 11 is rotationally connected with the first connecting plate 13, one end of the guide rod 12, which is far away from the rotating plate 9, is fixedly connected with the first connecting plate 13, and the first connecting plate 13 plays a supporting role on the screw rod 11 and the guide rod 12.
The side wall of the support frame 3 is provided with a first chute 14, the side wall of the first connecting plate 13 is fixedly connected with a sliding block 15, and the sliding block 15 is slidably connected in the first chute 14.
In this embodiment: the mechanical gripper 7 is controlled to grip the crankshaft, the first cylinder 2 is started to convey the crankshaft into the cooling pond for quenching, when the crankshaft is completely contacted with cooling liquid, the first motor 8 is started to drive the rotating plate 9 to rotate, the first connecting plate 13 is convenient to rotate under the driving action of the first motor 8 through the design of the sliding block 15 and the first sliding groove 14, meanwhile, the rotating angle of the rotating plate 9 can be limited, the second motor 10 is started to drive the screw rod 11 to rotate, the screw rod 12 is designed, the screw rod 11 is convenient to rotate to drive the moving plate 4 to move, the moving plate 4 moves to drive the pricking pin 6 to move, the position of the pricking pin 6 on the three-dimensional space is regulated, the second cylinder 5 is started to drive the pricking pin 6 to pierce into the oil hole, so that a water film formed on the surface of the oil hole is pierced, and the quenching effect in the oil hole channel is improved.
Example 2
This example is an improvement over example 1 by referring again to fig. 3-5 in addition to the drawing of example 1.
The bottom fixedly connected with second backup pad 16 of movable plate 4, the fixed pipe 17 of fixed surface of support plate 16, the outer wall sliding connection of fixed pipe 17 has movable pipe 18, movable pipe 18 fixed connection is at the output of second cylinder 5, the inner wall rotation of movable pipe 18 is connected with first bull stick 21, the lower extreme fixedly connected with track pole 22 of first bull stick 21, track pole 22 runs through second backup pad 16, the lower extreme and the felting needle 6 fixed connection of track pole 22, the surface of track pole 22 opens there is second spout 25, the lateral wall fixedly connected with fixed plate 26 of fixed pipe 17, the lateral wall of fixed plate 26 opens there is second recess 27, be connected with first slide column 24 through second spring 23 in the second recess 27, first slide column 24 sliding connection is in second spout 25.
The second chute 25 includes a first vertical portion 251 and a spiral portion 252, the spiral portion 252 surrounds the track bar 22 for one revolution, the lowest point of the spiral portion 252 is communicated with the lowest point of the first vertical portion 251, and the highest point of the spiral portion 252 is communicated with the highest point of the first vertical portion 251.
The upper end of the fixed pipe 17 is provided with a first groove 19, a first spring 20 is fixedly connected in the first groove 19, and one end, far away from the fixed pipe 17, of the first spring 20 is fixedly connected with the inner top of the movable pipe 18.
The pricking pin 6 is conical, the cross section of the end of the pricking pin 6 close to the second air cylinder 5 is larger than the cross section of the end of the pricking pin 6 far away from the second air cylinder 5, and the outer wall of the pricking pin 6 is fixedly connected with a spiral plate 28.
In this embodiment: the second cylinder 5 is started to drive the moving tube 18 to slide downwards on the outer wall of the fixed tube 17, the moving tube 18 moves to drive the first rotating rod 21 to move downwards, the first rotating rod 21 moves to drive the track rod 22 to move downwards, at the moment, the first sliding column 24 slides in the first vertical part 251, the pricking pin 6 pierces a water film formed on the surface of the oil hole, when the first sliding column 24 is at the highest point of the first vertical part 251, the second cylinder 5 is controlled to move the moving tube 18 upwards, in the process, the first sliding column 24 moves in the spiral part 252, so that the pricking pin 6 can rotate while moving upwards, and as the spiral plate 28 is fixedly connected to the outer wall of the pricking pin 6, the rotation of the spiral plate 28 accelerates the flow of cooling liquid near the oil hole, so that the cooling liquid enters the oil hole channel and the quenching efficiency of the oil hole channel is improved.
Example 3
This embodiment is an explanation based on embodiment 2, referring to fig. 6.
The output end of the first cylinder 2 is fixedly connected with a concave plate 29, the inner wall of the concave plate 29 is fixedly connected with a fixed rod 30, the outer wall of the fixed rod 30 is slidably connected with a second connecting plate 34, the bottom of the second connecting plate 34 is fixedly connected with a support frame 3, a third spring 33 is fixedly connected between the second connecting plate 34 and the concave plate 29, a third sliding groove 31 is formed in the surface of the first support plate 1, a second sliding column 32 is fixedly connected with the surface of the second connecting plate 34, the second sliding column 32 is slidably connected in the third sliding groove 31, and the third sliding groove 31 comprises a second vertical portion 311 and a wavy portion 312.
In this embodiment: when the first cylinder 2 is started to drive the concave plate 29 to move downwards, and the second slide column 32 moves to the lowest point of the second vertical portion 311, the crankshaft is just completely immersed in the cooling liquid, the support frame 3 is continuously moved downwards, and the second connecting plate 34 can shake while moving downwards under the action of the third spring 33 and the fixed rod 30 through the design of the wavy portion 312, so that the crankshaft shakes in the cooling liquid, and the quenching efficiency is improved.
Example 4
This example is an explanation based on example 3, and reference is made to fig. 1 to 6.
A production method of a hydrogen energy hybrid power commercial vehicle engine crankshaft quenching device comprises the following specific steps:
step one: the mechanical gripper 7 is controlled to grip the crankshaft, and the first cylinder 2 is started to send the crankshaft into a cooling pool for quenching;
step two: when the crankshaft is completely contacted with the cooling liquid, the crankshaft is continuously lowered, and the crankshaft is rocked while the crankshaft is lowered;
step three: when the crankshaft is completely contacted with the cooling liquid, the first motor 8, the second motor 10 and the second cylinder 5 are controlled to ensure that the pricking pin 6 pricks a water film formed on the surface of an oil hole on the crankshaft;
step four: when the pricking pin 6 pricks the water film formed on the surface of the oil hole on the crankshaft, the pricking pin 6 rotates, and the pricking pin 6 is enabled to screw and convey the cooling liquid into the oil hole in the rotating process under the action of the spiral plate 28.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. The utility model provides a hydrogen energy hybrid commercial car engine crankshaft quenching equipment, includes first backup pad (1), its characterized in that: the utility model discloses a mechanical hand (7) are installed to the bottom of first backup pad (1), output of first cylinder (2) is provided with support frame (3), mechanical hand (8) are installed to the bottom symmetry of support frame (3), first motor (8) are installed to the lateral wall of support frame (3), the output fixedly connected with revolving plate (9) of first motor (8), the surface mounting of revolving plate (9) has second motor (10), the output fixedly connected with lead screw (11) of second motor (10), the outer wall threaded connection of lead screw (11) has movable plate (4), the lateral wall symmetry fixedly connected with guide arm (12) of revolving plate (9), guide arm (12) run through movable plate (4), movable plate (4) and guide arm (12) sliding connection, second cylinder (5) are installed to the bottom of movable plate (4), the output of second cylinder (5) is provided with felting needle (6).
2. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 1, wherein: the rotary plate (9) is semicircular, the central shaft of the screw rod (11) deviates from the central shaft of the rotary plate (9), the output end of the screw rod (11) is rotationally connected with a first connecting plate (13), and one end of the guide rod (12) far away from the rotary plate (9) is fixedly connected with the first connecting plate (13).
3. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 2, wherein: the side wall of the supporting frame (3) is provided with a first sliding groove (14), the side wall of the first connecting plate (13) is fixedly connected with a sliding block (15), and the sliding block (15) is slidably connected in the first sliding groove (14).
4. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 1, wherein: the bottom fixedly connected with second backup pad (16) of movable plate (4), the fixed pipe (17) of fixed surface of second backup pad (16), the outer wall fixedly connected with movable pipe (18) of fixed pipe (17), movable pipe (18) fixedly connected with is at the output of second cylinder (5), the inner wall rotation of movable pipe (18) is connected with first bull stick (21), the lower extreme fixedly connected with track pole (22) of first bull stick (21), track pole (22) run through second backup pad (16), the lower extreme and the needle (6) fixedly connected of track pole (22), second spout (25) are opened on the surface of track pole (22), the lateral wall fixedly connected with fixed plate (26) of fixed pipe (17), the lateral wall of fixed plate (26) is opened there is second recess (27), be connected with first traveller (24) through second spring (23) in second recess (27), first traveller (24) sliding connection is in second spout (25).
5. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 4, wherein: the second sliding groove (25) comprises a first vertical portion (251) and a spiral portion (252), the spiral portion (252) surrounds the track rod (22) in a circle, the lowest point of the spiral portion (252) is communicated with the lowest point of the first vertical portion (251), and the highest point of the spiral portion (252) is communicated with the highest point of the first vertical portion (251).
6. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 4, wherein: the upper end of the fixed pipe (17) is provided with a first groove (19), a first spring (20) is fixedly connected in the first groove (19), and one end, far away from the fixed pipe (17), of the first spring (20) is fixedly connected with the inner top of the movable pipe (18).
7. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 1, wherein: the puncture needle (6) is conical, the cross section of one end of the puncture needle (6) close to the second cylinder (5) is larger than the cross section of one end of the puncture needle (6) far away from the second cylinder (5), and the outer wall of the puncture needle (6) is fixedly connected with a spiral plate (28).
8. The hydrogen energy hybrid commercial vehicle engine crankshaft quenching apparatus as claimed in claim 1, wherein: the output of first cylinder (2) fixedly connected with concave plate (29), the inner wall fixedly connected with dead lever (30) of concave plate (29), the outer wall sliding connection of dead lever (30) has second joint board (34), the bottom and the support frame (3) fixed connection of second joint board (34), fixedly connected with third spring (33) between second joint board (34) and concave plate (29), open on the surface of first backup pad (1) has third spout (31), the fixed surface of second joint board (34) is connected with second slide (32), second slide (32) sliding connection is in third spout (31), third spout (31) are including second vertical portion (311) and wave portion (312).
9. The application method of the quenching equipment for the production of the engine crankshaft of the hydrogen energy hybrid commercial vehicle is implemented according to any one of claims 1-8, and is characterized by comprising the following specific steps:
step one: the mechanical gripper (7) is controlled to grip the crankshaft, and the first cylinder (2) is started to convey the crankshaft into the cooling pool for quenching;
step two: when the crankshaft is completely contacted with the cooling liquid, the crankshaft is continuously lowered, and the crankshaft is rocked while the crankshaft is lowered;
step three: when the crankshaft is completely contacted with the cooling liquid, the first motor (8), the second motor (10) and the second cylinder (5) are controlled to ensure that the pricking pin (6) pricks a water film formed on the surface of an oil hole on the crankshaft;
step four: after the water film formed on the surface of the oil hole on the crankshaft is punctured by the pricking pin (6), the pricking pin (6) rotates, and under the action of the spiral plate (28), the pricking pin (6) is enabled to spiral and convey cooling liquid into the oil hole in the rotating process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393212.5A CN114657341B (en) | 2022-04-14 | 2022-04-14 | Engine crankshaft quenching equipment and method for hydrogen energy hybrid commercial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393212.5A CN114657341B (en) | 2022-04-14 | 2022-04-14 | Engine crankshaft quenching equipment and method for hydrogen energy hybrid commercial vehicle |
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| CN114657341A CN114657341A (en) | 2022-06-24 |
| CN114657341B true CN114657341B (en) | 2023-06-20 |
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