CN215373771U - Novel utensil is examined with differential mechanism assembly interference to reduction gear case blank face - Google Patents
Novel utensil is examined with differential mechanism assembly interference to reduction gear case blank face Download PDFInfo
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- CN215373771U CN215373771U CN202121989651.XU CN202121989651U CN215373771U CN 215373771 U CN215373771 U CN 215373771U CN 202121989651 U CN202121989651 U CN 202121989651U CN 215373771 U CN215373771 U CN 215373771U
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- rotating shaft
- rotating
- fan blades
- differential
- speed reducer
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Abstract
The utility model provides a novel detection tool for interference between a blank surface of a shell of a speed reducer and a differential assembly, which comprises a mechanism base, a rotating shaft and rotary fan blades, wherein the rotating shaft is connected with the mechanism base; the bearing hole between the mechanism base and the reducer shell is matched and connected; the rotating shaft is detachably arranged at the top of the mechanism base, the rotating shaft and the mechanism base are rotatably connected, and the axis of the rotating shaft is superposed with the central axis of the differential mechanism; the rotating fan blades are arranged on one side of the rotating shaft, the size of the cross sections of the rotating fan blades is larger than that of the differential gear, and the rotating fan blades rotate along with the rotating shaft and are used for simulating the assembly of the differential assembly.
Description
Technical Field
The utility model belongs to the technical field of interference detection tools, and particularly relates to a novel detection tool for interference between a blank surface of a shell of a speed reducer and a differential assembly.
Background
At present, a main reducer is an important component of an industrial vehicle, is positioned at the tail end of a vehicle transmission system and is also an important component of a drive axle, and the main reducer has the basic functions of reducing the rotating speed and increasing the torque by passing the engine torque transmitted by a universal transmission device through the main reducer and changing the transmission direction of the torque by a bevel gear pair.
However, because the casting blank in the reducer housing is mostly a casting surface, the size is difficult to control, and the condition that differential assembly and reducer housing blank surface interfere during assembly easily appears, therefore, an interference check tool is urgently needed for checking whether the condition that the reducer housing blank surface interferes with the differential assembly exists before a workpiece is transported after the reducer housing is processed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel checking fixture for interference between a blank surface of a shell of a speed reducer and a differential assembly, which can be used for checking whether the blank surface of the shell of the speed reducer interferes with the differential assembly or not before a workpiece is transferred after the shell of the speed reducer is machined.
The technical scheme of the utility model is realized as follows: a novel checking fixture for interference between a blank surface of a shell of a speed reducer and a differential assembly comprises a mechanism base, a rotating shaft and rotary fan blades;
the bearing hole between the mechanism base and the reducer shell is matched and connected;
the rotating shaft is detachably arranged at the top of the mechanism base, the rotating shaft and the mechanism base are rotatably connected, and the axis of the rotating shaft is superposed with the central axis of the differential mechanism;
the rotary fan blades are arranged on one side of the rotating shaft, the cross section size of the rotary fan blades is larger than that of the differential gear, and the rotary fan blades rotate along with the rotating shaft and are used for simulating assembly of the differential assembly.
As a preferred embodiment, the outer side cover of pivot is equipped with rotatory sleeve, and rotatory sleeve includes same two, and two rotatory sleeves are respectively the cover and are located the top outside of pivot and the bottom outside of pivot, and fixed connection sets up between gyration flabellum and the rotatory sleeve.
As a preferred embodiment, a rotary through hole which is through from top to bottom is formed in the rotary sleeve, the rotary shaft penetrates through the rotary through hole, one end of the rotary sleeve is inwards recessed to form a clamping groove, and the rotary fan blades and the clamping groove are detachably connected.
As a preferred embodiment, the clamping groove and the rotating fan blade are detachably connected through a cylindrical pin and a slotted screw.
As a preferred embodiment, the right end of the rotary fan blade is recessed inwards to form a first groove, the top end of the rotary fan blade is recessed inwards to form a second groove, and the bottom end of the rotary fan blade is recessed inwards to form a third groove.
In a preferred embodiment, the rotary fan blade is provided with a first blade hole and a second blade hole which penetrate through the rotary fan blade from left to right.
As a preferred embodiment, the side of the second groove away from the rotating shaft is arranged at an inclined angle, and the cross-sectional area of the top end of the second groove is larger than that of the bottom end of the second groove.
As a preferred embodiment, after the top end of the rotating shaft penetrates through the rotating sleeve, the rotating sleeve and the rotating shaft are fixed through a limit nut, a locknut is sleeved on the outer side of the top end of the rotating shaft, and the locknut is arranged above the limit nut.
In a preferred embodiment, after the bottom end of the rotating shaft penetrates through the rotating sleeve, the rotating shaft and the mechanism base are fixed through a fastening nut.
After the technical scheme is adopted, the utility model has the beneficial effects that:
1. the actual assembly condition of the differential assembly is in a form of profiling the cross section of the differential and rotating;
2. the weight is light, the carrying is easy, the operation is simple, and the abrasion element is convenient to disassemble and replace;
3. the detection result is accurate;
4. the timely treatment before the transportation can reduce the cost of manpower, material resources and time spent in the later period of repair.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a state diagram of the present invention in use.
In the figure, 1-mechanism base; 2-a rotating shaft; 3-rotating fan blades; 4-rotating the sleeve; 5-locknut; 6-a limit nut; 7-slotted screws; 8-cylindrical pins; 9-fastening a nut; 10-a card slot; 11-a first groove; 12-a second groove; 13-a third groove; 14-first blade hole; 15-second blade hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the drawings of fig. 1 to 3, a novel checking fixture for interference between a blank surface of a shell of a speed reducer and a differential assembly comprises a mechanism base 1, a rotating shaft 2 and rotary fan blades 3;
the bearing hole between the mechanism base 1 and the reducer shell is matched and connected;
the rotating shaft 2 is detachably arranged at the top of the mechanism base 1, the rotating shaft 2 and the mechanism base 1 are rotatably connected, and the axis of the rotating shaft 2 is superposed with the central axis of the differential mechanism;
the rotary fan blades 3 are arranged on one side of the rotating shaft 2, the section size of the rotary fan blades 3 is larger than that of the differential gear, and the rotary fan blades 3 rotate along with the rotating shaft 2 and are used for simulating assembly of the differential assembly.
The outside cover of pivot 2 is equipped with rotatory sleeve 4, and rotatory sleeve 4 includes the same two, and two rotatory sleeves 4 overlap respectively and locate the top outside of pivot 2 and the bottom outside of pivot 2, and fixed connection sets up between gyration flabellum 3 and the rotatory sleeve 4.
Be provided with the rotatory through-hole that link up from top to bottom on the rotating sleeve 4, pivot 2 runs through the setting of rotatory through-hole, and the one end of rotating sleeve 4 is inwards sunken to form draw-in groove 10, can dismantle the connection setting between rotary fan blade 3 and the draw-in groove 10. The clamping groove 10 and the rotary fan blade 3 are detachably connected through a cylindrical pin 8 and a slotted screw 7.
The right-hand member of gyration flabellum 3 inwards caves in and forms first recess 11, and the top of gyration flabellum 3 inwards caves in and forms second recess 12, and the bottom of gyration flabellum 3 inwards caves in and forms third recess 13. The rotary fan blade 3 is provided with a first fan blade hole 14 and a second fan blade hole 15 which penetrate left and right.
The side of the second groove 12 far away from the rotating shaft 2 is arranged at an inclined angle, and the cross sectional area of the top end of the second groove 12 is larger than that of the bottom end of the second groove 12.
After rotating sleeve 4 was run through on the top of pivot 2, through 6 fixed rotating sleeve 4 of stop nut and pivot 2, the top outside cover of pivot 2 was equipped with locknut 5, and locknut 5 sets up in stop nut 6's top. After the bottom end of the rotating shaft 2 penetrates through the rotating sleeve 4, the rotating shaft 2 and the mechanism base 1 are fixed through a fastening nut 9.
During the use, mechanism base 1 and reduction gear shell dead eye cooperation to fixed utensil of examining, fixed with fastening nut 9 between pivot 2 and the mechanism base 1, 2 axes of pivot and the coincidence of differential mechanism axis. In order to make the result more accurate, the section size of the installed rotary fan blade 3 is slightly larger than that of the gear so as to make up the fit clearance between the elements. The rotating sleeve 4 and the rotating fan blade 3 are positioned by a positioning pin and fastened by a slotted bolt, the rotating sleeve 4 and the rotating shaft 2 are fastened by a limiting nut 6 and a locknut 5 so as to prevent the rotating sleeve 4 from loosening and falling, the mechanism base 1 is provided with a tool withdrawal groove, and the tool withdrawal groove is used for avoiding the interference of the checking fixture and the edge of the shell reduction blank. After the checking fixture is matched with the shell of the speed reducer, the assembly condition of the differential assembly can be simulated by rotating the rotary fan blades 3 for one circle, and whether an interference phenomenon exists can be observed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A novel checking fixture for interference between a blank surface of a shell of a speed reducer and a differential assembly is characterized by comprising a mechanism base, a rotating shaft and rotating fan blades;
the bearing hole between the mechanism base and the reducer shell is matched and connected;
the rotating shaft is detachably arranged at the top of the mechanism base, the rotating shaft and the mechanism base are rotatably connected, and the axis of the rotating shaft is superposed with the central axis of the differential mechanism;
the rotary fan blades are arranged on one side of the rotating shaft, the cross section size of each rotary fan blade is larger than the size of the differential gear, and the rotary fan blades rotate along with the rotating shaft and are used for simulating the assembly of the differential assembly.
2. The novel checking fixture for detecting interference between blank surfaces of speed reducer housings and differential assemblies as claimed in claim 1, wherein two rotating sleeves are sleeved on the outer side of the rotating shaft, the two rotating sleeves are respectively sleeved on the outer side of the top end of the rotating shaft and the outer side of the bottom end of the rotating shaft, and the rotating fan blades and the rotating sleeves are fixedly connected.
3. The novel checking fixture for detecting interference between blank surfaces of speed reducer housings and differential assemblies as claimed in claim 2, wherein the rotating sleeve is provided with a rotating through hole which is through from top to bottom, the rotating shaft penetrates through the rotating through hole, one end of the rotating sleeve is recessed inwards to form a clamping groove, and the rotating fan blades and the clamping groove are detachably connected.
4. The novel checking fixture for detecting interference between blank surfaces of speed reducer housings and differential assemblies as claimed in claim 3, wherein the clamping grooves and the rotary fan blades are detachably connected through cylindrical pins and slotted screws.
5. The novel checking fixture for detecting interference between blank surfaces of speed reducer housings and differential assemblies as claimed in claim 4, wherein right ends of the rotating fan blades are recessed inwards to form a first groove, top ends of the rotating fan blades are recessed inwards to form a second groove, and bottom ends of the rotating fan blades are recessed inwards to form a third groove.
6. The novel checking fixture for detecting interference between blank surfaces of speed reducer housings and differential assemblies as claimed in claim 5, wherein the rotating fan blades are provided with first fan blade holes and second fan blade holes which penetrate left and right.
7. The novel checking fixture for interference between the blank surface of the shell of the speed reducer and the differential assembly as claimed in claim 6, wherein the side surface of the second groove, which is far away from the rotating shaft, is arranged at an inclined angle, and the cross-sectional area of the top end of the second groove is larger than that of the bottom end of the second groove.
8. The novel checking fixture for detecting interference between blank surfaces of speed reducer housings and differential assemblies as claimed in claim 7, wherein after the top end of the rotating shaft penetrates through the rotating sleeve, the rotating sleeve and the rotating shaft are fixed through a limiting nut, and a locknut is sleeved on the outer side of the top end of the rotating shaft and arranged above the limiting nut.
9. The novel checking fixture for detecting interference between the blank surface of the shell of the speed reducer and the differential assembly as claimed in claim 7, wherein the rotating shaft and the mechanism base are fixed through a fastening nut after the bottom end of the rotating shaft penetrates through the rotating sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121989651.XU CN215373771U (en) | 2021-08-23 | 2021-08-23 | Novel utensil is examined with differential mechanism assembly interference to reduction gear case blank face |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121989651.XU CN215373771U (en) | 2021-08-23 | 2021-08-23 | Novel utensil is examined with differential mechanism assembly interference to reduction gear case blank face |
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CN215373771U true CN215373771U (en) | 2021-12-31 |
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CN202121989651.XU Active CN215373771U (en) | 2021-08-23 | 2021-08-23 | Novel utensil is examined with differential mechanism assembly interference to reduction gear case blank face |
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2021
- 2021-08-23 CN CN202121989651.XU patent/CN215373771U/en active Active
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