CN116335990B - Water pump shaft of automobile engine - Google Patents
Water pump shaft of automobile engine Download PDFInfo
- Publication number
- CN116335990B CN116335990B CN202310607556.6A CN202310607556A CN116335990B CN 116335990 B CN116335990 B CN 116335990B CN 202310607556 A CN202310607556 A CN 202310607556A CN 116335990 B CN116335990 B CN 116335990B
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- Prior art keywords
- gear
- outer sleeve
- water pump
- shaft
- rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 23
- 230000001050 lubricating effect Effects 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 abstract description 7
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
The invention belongs to the technical field of automobile engine water pumps, and provides an automobile engine water pump shaft which comprises a shaft body, an outer sleeve body sleeved on the shaft body, and a bearing body connected between inner sleeve walls at two ends of the outer sleeve body and the shaft body, wherein a detection mechanism which is in contact with the surface of the shaft body for crack detection and a heat dissipation mechanism which is in contact with the bearing body for heat dissipation are arranged on the inner sleeve wall of the outer sleeve body, and a transmission mechanism which is connected with the detection mechanism and the heat dissipation mechanism is arranged on the shaft body positioned in the outer sleeve body. The invention solves the problems that the prior art does not have a crack detection function, so that the damage condition of the water pump shaft of the automobile engine cannot be known, and the water pump of the automobile engine is easy to break suddenly during working; the heat dissipation mechanism can timely dissipate heat of the bearing on the water pump shaft during operation, and meanwhile intermittent lubrication of the contact part of the crack detection probe and the surface of the shaft body can be achieved through lubricating liquid in the hollow tube.
Description
Technical Field
The invention belongs to the technical field of automobile engine water pumps, and particularly relates to an automobile engine water pump shaft.
Background
The water pump of the automobile engine is an important component part of the modern internal combustion engine, plays an important role for the normal operation of the engine, and is used as a power source of a cooling system to drive a coolant to flow between a cooling water channel and a radiator so as to take away the redundant heat except the fuel combustion work, so that the engine can work in a proper temperature range to achieve the optimal working condition. And the water pump shaft of the automobile engine is one of important components of the water pump of the automobile engine. In long-term use, the surface of the water pump shaft of the automobile engine can gradually crack until the water pump shaft is broken and damaged when serious.
Through retrieving, chinese application number CN202222229987.7 discloses a car engine water pump shaft that bearing capacity is high, including the axostylus axostyle, be provided with the axle tooth on the axostylus axostyle, be provided with bottom axle tooth on the axostylus axostyle, be provided with the upper end axle tooth on the axostylus axostyle, be provided with the strengthening rib on the axostylus axostyle, be provided with the titanium alloy layer on the axostylus axostyle, set up in the steel ball on the bottom axle tooth, be provided with annular groove on the axostylus axostyle, be provided with the recess on the bottom axle tooth, be provided with the lubricating grease on the recess. Through adding the strengthening rib in the inside of axostylus axostyle to and add the steel ball in the inside of the axle tooth of bottom, can reach and to strengthen bearing capacity in the use of axostylus axostyle, the axostylus axostyle can bear higher pressure, has the steel ball in the bottom of axostylus axostyle, can carry out rolling connection, can more quick transmission in the transmission of axostylus axostyle, and reduce manufacturing material, use integral type structure. In this patent, a reinforced steel rod is arranged inside the shaft, so that a better supporting effect can be provided for the shaft in transmission. However, the technical scheme in the patent does not have a crack detection function, so that the damage condition of the water pump shaft of the automobile engine cannot be known, the water pump of the automobile engine is easy to break suddenly during working, and potential safety hazards and larger maintenance cost exist.
In addition, the problem that the bearing on the water pump shaft fails due to the fact that heat cannot be dissipated in time during operation exists at present.
Disclosure of Invention
The invention provides a water pump shaft of an automobile engine, and aims to solve the problems in the background art.
The invention discloses a water pump shaft of an automobile engine, which comprises a shaft body, an outer sleeve body sleeved on the shaft body, a bearing body connected between inner sleeve walls at two ends of the outer sleeve body and the shaft body, and outer baffle rings arranged at the outer sides of two ends of the outer sleeve body, wherein a detection mechanism which is in contact with the surface of the shaft body for crack detection and a heat dissipation mechanism which is in contact with the bearing body for heat dissipation are arranged on the inner sleeve wall of the outer sleeve body, and a transmission mechanism which is connected with the detection mechanism and the heat dissipation mechanism is arranged on the shaft body positioned in the outer sleeve body.
Preferably, the transmission mechanism comprises a transmission gear arranged on a shaft body in the outer sleeve body, a first gear, a second gear, an incomplete gear, a toothed ejector rod, a third gear, a transmission rod, a plurality of first bevel gears and a plurality of second bevel gears, wherein the first gear, the second gear, the incomplete gear, the toothed ejector rod, the third gear, the transmission rod, the plurality of first bevel gears and the plurality of second bevel gears are arranged on the transmission rod in sequence along the axial direction, the first bevel gears and the second bevel gears are in meshed connection with the plurality of first bevel gears in a corresponding mode, one side of the toothed ejector rod is connected with a return spring, the top of the toothed ejector rod is connected with the detection mechanism, and the plurality of second bevel gears are connected with the heat dissipation mechanism.
Preferably, the central angle corresponding to the toothed portion on the incomplete gear is 90 °.
Preferably, the detection mechanism comprises a hollow pipe connected with the upper inner sleeve wall of the outer sleeve body and axially distributed along the shaft body, a plurality of hollow guide rods sequentially distributed below the hollow pipe and communicated with the hollow pipe, and a plurality of crack detection probes arranged at the bottoms of the plurality of hollow guide rods and in contact with the surface of the shaft body, wherein lubricating liquid is filled in the hollow pipe, the crack detection probes are in communication connection with external detection equipment in a radio mode, a dredging and blocking component is arranged at the communication position of the hollow pipe and the plurality of hollow guide rods, and the end part of the toothed ejector rod stretches into the hollow pipe and is connected with the dredging and blocking component.
Preferably, the end of the hollow tube is provided with a liquid receiving tube which extends out of the outer sleeve.
Preferably, the bottom of the outer sleeve body is provided with a catheter.
Preferably, the lower side rod walls of the plurality of hollow guide rods are provided with liquid outlets communicated with the interiors of the hollow guide rods.
Preferably, the heat dissipation mechanism comprises a heat conduction ring in contact connection with bearing bodies at two ends of the outer sleeve body, a heat conduction rod with two ends connected to the heat conduction ring, and a plurality of heat dissipation blades distributed on the side edge of the heat conduction rod in sequence, wherein the plurality of heat dissipation blades are correspondingly and coaxially connected with a plurality of rotating shafts, and the plurality of second bevel gears are correspondingly and coaxially connected to the plurality of rotating shafts.
Preferably, the outer sleeve body is provided with heat dissipation holes on the sleeve wall corresponding to the heat dissipation direction of the heat dissipation blades.
Compared with the prior art, the invention has the beneficial effects that: according to the water pump shaft of the automobile engine, the surface condition of the shaft body is monitored in real time through the crack detection probe which is arranged and contacted with the surface of the shaft body, so that the problem that the damage condition of the water pump shaft of the automobile engine cannot be known and the water pump of the automobile engine is easy to break suddenly during working in the prior art is solved; secondly, through the drive mechanism that sets up for the cooling mechanism carries out timely heat dissipation to the bearing on the water pump shaft when the during operation, can also realize that the lubrication liquid in the hollow tube carries out intermittent lubrication in order to reduce the rotation friction to crack detection probe and shaft body surface contact department.
Drawings
FIG. 1 is a schematic perspective view of the device;
FIG. 2 is a schematic diagram of the front view of the present device;
FIG. 3 is a schematic rear view of the present device;
FIG. 4 is a schematic diagram of the internal structure of the device in front view;
FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 6 is a schematic view of the cross-sectional structure B-B of FIG. 2;
FIG. 7 is a schematic view of the cross-sectional C-C structure of FIG. 2;
fig. 8 is an enlarged schematic view of the structure at I in fig. 4.
In the figure: 1. a shaft body; 2. a jacket body; 3. a bearing body; 4. an outer baffle ring; 5. a transmission gear; 6. a first gear; 7. a second gear; 8. an incomplete gear; 9. a toothed ejector rod; 10. a transmission rod; 11. a first bevel gear; 12. a second bevel gear; 13. a return spring; 14. a hollow tube; 15. a hollow guide rod; 16. a crack detection probe; 17. a unblocking component; 18. a liquid receiving pipe; 19. a catheter; 20. a liquid outlet; 21. a heat conducting ring; 22. a heat conduction rod; 23. a heat radiation blade; 24. a rotating shaft; 25. a heat radiation hole; 26. and a third gear.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides an automobile engine water pump shaft, includes axis body 1, still including the cover establish outer sleeve body 2 on the axis body 1, connect in the outer sleeve body 2 both ends inner sleeve wall with bearing body 3 between the axis body 1, set up in outer fender ring 4 in the outer side of outer sleeve body 2 both ends, be provided with on the inner sleeve wall of outer sleeve body 2 with axis body 1 surface contact carries out crack detection's detection mechanism, with bearing body 3 contact carries out radiating mechanism, be located the outer sleeve body 2 inside be provided with on the axis body 1 with detection mechanism and radiating mechanism are connected drive mechanism.
The bearing body 3 is positioned between the shaft body 1 and the outer sleeve body 2 to play a role in connection; the outer sleeve body 2 is connected with a water pump of an automobile engine when being installed, and the outer baffle ring 4 plays a role in sealing and dust prevention; the transmission mechanism is connected to the shaft body 1, and when the device is used, power is provided through rotation of the shaft body 1 so as to power the detection mechanism and the heat dissipation mechanism, so that the detection mechanism and the heat dissipation mechanism are driven to work synchronously.
As a further improvement of the present embodiment, the transmission mechanism includes a transmission gear 5 disposed on the shaft body 1 inside the outer casing 2, a first gear 6 engaged with the transmission gear 5, a second gear 7, an incomplete gear 8 coaxially connected with the first gear 6, a toothed bar 9 engaged with the incomplete gear 8, a third gear 26 engaged with the second gear 7, a transmission bar 10 coaxially connected with the third gear 26, a plurality of first bevel gears 11 sequentially disposed on the transmission bar 10 in an axial direction, a plurality of second bevel gears 12 correspondingly engaged with the plurality of first bevel gears 11, one side of the toothed bar 9 is connected with a return spring 13, the top of the toothed bar 9 is connected with the detection mechanism, and the plurality of second bevel gears 12 are connected with the heat dissipation mechanism.
The transmission gear 5 is positioned at the left side of the shaft body 1 in the outer sleeve body 2, the first gear 6 is positioned above the transmission gear 5, the second gear 7 is positioned at the right lower part of the transmission gear 5 (see fig. 6), the central angle corresponding to the toothed part on the incomplete gear 8 is 90 degrees, namely the incomplete gear 8 is a quarter toothed gear, the toothed ejector rod 9 is positioned at the rear side of the incomplete gear 8, the third gear 26 is positioned at the front side of the transmission gear 5 and is positioned at the same level with the axial lead of the transmission gear 5; in this embodiment, fourteen first bevel gears 11 and fourteen second bevel gears 12 are respectively provided, and fourteen heat dissipation mechanisms are correspondingly provided.
As a further improvement of this embodiment, the detection mechanism includes a hollow tube 14 connected to the inner sleeve wall above the outer sleeve 2 and axially distributed along the shaft body 1, a plurality of hollow guide rods 15 sequentially distributed below the hollow tube 14 and communicated with the hollow tube 14, and a plurality of crack detection probes 16 disposed at the bottoms of the plurality of hollow guide rods 15 and in contact with the surface of the shaft body 1, where the hollow tube 14 is filled with a lubricating fluid, the crack detection probes 16 are in communication connection with an external detection device in a radio manner, a dredging and blocking assembly 17 is disposed at a communication position between the hollow tube 14 and the plurality of hollow guide rods 15, and an end portion with a tooth tip rod 9 extends into the hollow tube 14 and is connected with the dredging and blocking assembly 17.
The hollow tube 14 is located above the inside of the outer jacket 2, a liquid receiving tube 18 extending out of the outer jacket 2 is provided at an end of the hollow tube 14, and the inside of the hollow tube 14 can be replenished with a lubricating liquid through the liquid receiving tube 18. In this embodiment, the hollow guide rod 15 and the crack detecting probe 16 are provided with nineteen, the blocking component 17 is composed of a connecting plate and nineteen blocking blocks located at the bottom of the connecting plate, and the shape of the blocking blocks is adapted to the shape of the communication port between the top of the hollow guide rod 15 and the bottom of the hollow tube 14, so as to achieve a better blocking effect. Four liquid outlets 20 are arranged on the lower rod part of each hollow guide rod 15 and above the joint of the crack detection probe 16, and the four liquid outlets 20 are communicated with the hollow channels inside the hollow guide rods 15. Through the liquid outlet 20, the lubrication liquid entering the hollow guide rod 15 flows to the contact position of the crack detection probe 16 and the surface of the shaft body 1 along the crack detection probe 16, so that the purpose of reducing the rotation friction of the crack detection probe 16 is achieved.
As a further improvement of the present embodiment, the bottom of the outer casing 2 is provided with a catheter 19. The liquid lubricant, which lubricates the contact area between the crack detection probe 16 and the surface of the shaft body 1, can be discharged from the outer housing 2 through the liquid guide tube 19.
The motion process of the mechanism is as follows: the transmission gear 5 rotates anticlockwise to drive the first gear 6 to rotate clockwise, the first gear 6 drives the incomplete gear 8 to rotate synchronously and in the same direction, and the toothed part on the incomplete gear 8 and the toothed top rod 9 rotate in a meshed mode to enable the toothed top rod 9 to lift upwards. The lifting of the rod 9 with the tooth top drives the dredging component 17 to lift, so that the dredging component 17 is far away from the communication position between the hollow pipe 14 and the hollow guide rod 15, and the lubricating liquid can enter the hollow guide rod 15 and flow to the contact position between the crack detection probe 16 and the surface of the shaft body 1 along the hollow channel and the liquid outlet 20 inside the hollow guide rod 15, and the rotation friction is reduced; because the incomplete gear 8 is a quarter toothed gear, when the toothed part on the incomplete gear 8 is disengaged from the toothed top rod 9, the toothed top rod 9 is reset under the action of the return spring 13, so that the unblocking component 17 is located at the communicating position of the hollow pipe 14 and the hollow guide rod 15 again, the communicating position is blocked, and the lubricating liquid is prevented from continuously flowing into the hollow guide rod 15. As can be seen from the above process, the amount of the lubricant entering the hollow guide rod 15 each time is mainly determined by the travel time between the rising of the unblocking assembly 17 and the resetting, in addition to the lubricant itself, and the travel time between the rising of the unblocking assembly 17 and the resetting is determined by the engagement travel of the incomplete gear 8 and the toothed rod 9, so that the amount of the lubricant for each lubrication can be adjusted by adjusting the number of teeth of the toothed portion on the incomplete gear 8.
As a further improvement of the present embodiment, the heat dissipation mechanism includes a heat conducting ring 21 in contact with the bearing bodies 3 at two ends of the outer casing 2, a heat conducting rod 22 with two ends connected to the heat conducting ring 21, and a plurality of heat dissipation blades 23 distributed on the side edge of the heat conducting rod 22 and sequentially distributed, where the plurality of heat dissipation blades 23 are correspondingly coaxially connected with a plurality of rotating shafts 24, and the plurality of second bevel gears 12 are correspondingly coaxially connected with the plurality of rotating shafts 24. The heat conducting ring 21 is fixedly connected to the upper fixing portion of the bearing body 3, so that the heat conducting ring 21 does not rotate along with the rotating portion of the bearing body 3, the heat conducting rod 22 is positioned at the right front side of the shaft body 1 and at the right rear side of the heat radiating mechanism, and both the heat conducting ring 21 and the heat conducting rod 22 are made of heat conducting materials; in this embodiment, fourteen heat dissipating blades 23 and fourteen rotating shafts 24 are provided, the inside of the outer casing 2 is provided with mounting rods distributed alongside the shaft body 1, and the fourteen rotating shafts 24 are correspondingly connected to the mounting rods in a rotating manner.
As a further improvement of the present embodiment, the outer casing 2 is provided with heat dissipation holes 25 on the casing wall corresponding to the heat dissipation direction of the heat dissipation blades 23. Through the heat dissipation holes 25 and the heat dissipation blades 23, heat on the heat conduction rod 22 can be discharged, so that the purpose of cooling the bearing body 3 is achieved.
The working principle and the using flow of the invention are as follows:
the water pump shaft is arranged in a water pump shell of an automobile engine through an outer sleeve body 2, two ends of a shaft body 1 are correspondingly connected with a belt pulley and an impeller in a power mechanism, in the process of rotating the shaft body 1, a crack detection probe 16 is used for monitoring the surface condition of the shaft body 1 in real time, in the process of rotating the shaft body 1, heat is generated by bearing bodies 3 at two sides, and rotation friction exists between the rotation of the shaft body 1 and the crack detection probe 16, so that in the process of rotating the shaft body 1, a transmission gear 5 is used for driving a first gear 6 and a second gear 7 to simultaneously rotate, wherein the first gear 6 drives an incomplete gear 8 to rotate in the same direction, the incomplete gear 8 and a tooth top rod 9 are meshed and rotated, so that the tooth top rod 9 is vertically lifted, a loose and blocked assembly 17 is lifted from the communication position of a hollow pipe 14 and a hollow guide rod 15, lubricating liquid in the hollow pipe 14 enters a hollow channel in the hollow guide rod 15, and flows to the contact position of the crack detection probe 16 and the surface of the shaft body 1 through a liquid outlet 20, and the rotation friction is reduced; when the incomplete gear 8 is disengaged from the toothed top rod 9, the toothed top rod 9 is reset under the action of the return spring 13, the unblocking assembly 17 is unblocked at the communication position of the hollow pipe 14 and the hollow guide rod 15, through the process, the contact position of the crack detection probe 16 and the surface of the shaft body 1 is subjected to intermittent lubrication so as to keep the rotation friction at the contact position reduced, thereby reducing the abrasion of the crack detection probe 16, and the lubricating liquid falling from the shaft body 1 is finally discharged through the liquid receiving pipe 18;
when the crack detection probe 16 and the surface contact part of the shaft body 1 are subjected to intermittent lubrication, after the bearing bodies 3 on two sides generate heat, the heat on the bearing bodies 3 can be transferred to the heat conducting rod 22 through the heat conducting ring 21 by the aid of the heat transfer principle, the second gear 7 drives the transmission rod 10 to rotate, the transmission rod 10 drives the first bevel gear 11 coaxially connected to the transmission rod 10 to synchronously rotate in the same direction, the first bevel gear 11 drives the second bevel gear 12 matched with the transmission rod 11 to rotate, the second bevel gear 12 drives the heat radiating blades 23 to rotate through the rotating shaft 24 to generate wind power, and the generated wind power blows to the heat conducting rod 22, so that the temperature of the heat conducting rod 22 is reduced by the heat on the heat conducting rod 22, and the real-time cooling of the bearing bodies 3 is realized.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides an automobile engine water pump axle, includes axis body (1), its characterized in that: the novel bearing structure comprises a shaft body (1), an outer sleeve body (2), a bearing body (3) and an outer baffle ring (4), wherein the outer sleeve body (2) is sleeved on the shaft body (1), the bearing body (3) is connected between inner sleeve walls at two ends of the outer sleeve body (2) and the shaft body (1), the outer baffle ring (4) is arranged at the outer sides of two ends of the outer sleeve body (2), a detection mechanism which is in contact with the surface of the shaft body (1) for crack detection and a heat dissipation mechanism which is in contact with the bearing body (3) for heat dissipation are arranged on the inner sleeve wall of the outer sleeve body (2), and a transmission mechanism which is connected with the detection mechanism and the heat dissipation mechanism is arranged on the shaft body (1) in the outer sleeve body (2); the transmission mechanism comprises a transmission gear (5), a first gear (6) and a second gear (7), an incomplete gear (8), a toothed rod (9), a third gear (26), a transmission rod (10), a plurality of first bevel gears (11) and a plurality of second bevel gears (12), wherein the transmission gear (5) is arranged on a shaft body (1) positioned in the outer sleeve body (2), the first gear (6) and the second gear (7) are in meshed connection with the transmission gear (5), the incomplete gear (8) is coaxially connected with the first gear (6), the toothed rod (9) is in meshed connection with the incomplete gear (8), the third gear (26) is in meshed connection with the second gear (7), the transmission rod (10) is coaxially connected with the third gear (26), the first bevel gears (11) are sequentially arranged on the transmission rod (10) along the axial direction, the second bevel gears (12) are in corresponding meshed connection with the first bevel gears (11), one side of the toothed rod (9) is connected with a return spring (13), and the top of the toothed rod (9) is connected with the detection mechanism; the detection mechanism comprises a hollow tube (14) connected with the upper inner sleeve wall of the outer sleeve body (2) and axially arranged along the shaft body (1), a plurality of hollow guide rods (15) arranged below the hollow tube (14) and communicated with the hollow tube (14), and a plurality of crack detection probes (16) arranged at the bottoms of the plurality of hollow guide rods (15) and contacted with the surface of the shaft body (1), wherein lubricating liquid is filled in the hollow tube (14), the crack detection probes (16) are in communication connection with external detection equipment in a radio mode, a dredging and blocking assembly (17) is arranged at the communication position of the hollow tube (14) and the plurality of hollow guide rods (15), and the end part with the tooth crest rod (9) stretches into the hollow tube (14) and is connected with the dredging and blocking assembly (17).
2. The water pump shaft of an automotive engine of claim 1, wherein: the central angle corresponding to the toothed part on the incomplete gear (8) is 90 degrees.
3. The water pump shaft of an automotive engine of claim 2, wherein: the end part of the hollow tube (14) is provided with a liquid receiving tube (18) which extends out of the outer sleeve body (2).
4. A water pump shaft for an automotive engine as set forth in claim 3, wherein: the bottom of the outer sleeve body (2) is provided with a liquid guide tube (19).
5. The water pump shaft of an automotive engine of claim 4, wherein: the lower side rod walls of the plurality of hollow guide rods (15) are provided with liquid outlets (20) communicated with the inside of the hollow guide rods (15).
6. The water pump shaft of an automotive engine of claim 5, wherein: the heat dissipation mechanism comprises a heat conduction ring (21) which is in contact connection with bearing bodies (3) at two ends of the outer sleeve body (2), a heat conduction rod (22) with two ends connected to the heat conduction ring (21), and a plurality of heat dissipation blades (23) which are arranged on the side edge of the heat conduction rod (22) and distributed in sequence, wherein the plurality of heat dissipation blades (23) are correspondingly and coaxially connected with a plurality of rotating shafts (24), and the plurality of second bevel gears (12) are correspondingly and coaxially connected to the plurality of rotating shafts (24).
7. The water pump shaft of an automotive engine of claim 6, wherein: and a heat radiation hole (25) is formed in the outer sleeve body (2) and positioned on the sleeve wall corresponding to the heat radiation direction of the heat radiation blade (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607556.6A CN116335990B (en) | 2023-05-26 | 2023-05-26 | Water pump shaft of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607556.6A CN116335990B (en) | 2023-05-26 | 2023-05-26 | Water pump shaft of automobile engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116335990A CN116335990A (en) | 2023-06-27 |
| CN116335990B true CN116335990B (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310607556.6A Active CN116335990B (en) | 2023-05-26 | 2023-05-26 | Water pump shaft of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116335990B (en) |
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| WO2022003263A1 (en) * | 2020-06-30 | 2022-01-06 | Hydromecanique Et Frottement | Guide device and mechanical system comprising such a device |
| CN215861384U (en) * | 2021-04-23 | 2022-02-18 | 北京友安伟业机械设备有限公司 | High-heat-dissipation bearing body |
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| CN116335990A (en) | 2023-06-27 |
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