CN212918341U - Main reducer assembly main tooth bearing outer ring press fitting jig - Google Patents
Main reducer assembly main tooth bearing outer ring press fitting jig Download PDFInfo
- Publication number
- CN212918341U CN212918341U CN202021362608.6U CN202021362608U CN212918341U CN 212918341 U CN212918341 U CN 212918341U CN 202021362608 U CN202021362608 U CN 202021362608U CN 212918341 U CN212918341 U CN 212918341U
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- outer ring
- bearing outer
- main
- pull rod
- pressure head
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model provides a main reducer assembly owner tooth bearing outer ring pressure equipment tool, the pull rod passes through self-lubricating direction bearing and base swing joint, the peripheral direction of base is surrounded has the buffer spring that the lower extreme is connected with the base downside wall, and the little bearing outer ring of main tooth in the main reducing shell body supports and presses on little bearing outer ring pressure head, the pot head that the pull rod is located in the main reducing shell body cavity is equipped with the big bearing outer ring pressure head of main tooth, the big bearing of main tooth in the main reducing shell body supports and presses the lower terminal surface at the big bearing outer ring pressure head of main tooth, and the bayonet socket endotheca is equipped with the clamp plate that the lower extreme supports and presses the big bearing outer ring pressure head up end of main tooth, and this frock is reliable and stable, can quick pressure equipment, and the back atress of both sides bearing outer ring pressure equipment is even, reduces outer ring and work piece pressure equipment deformation or the pressure equipment problem emergence not in place, guarantees the location axiality, and the press mounting precision is improved by adopting conical surface prepositioning guide.
Description
Technical Field
The utility model relates to a pressure equipment tool field, in particular to main reducer assembly owner tooth bearing outer ring pressure equipment tool.
Background
The existing press-fitting jig for the main gear bearing outer ring of the main reducer assembly generally adopts a split press-fitting mode to press-fit the main gear bearing outer ring, two hydraulic machines are needed to press-fit respectively, and visual inspection and clearance gauge inspection are carried out after pressing in to check whether the bearing outer ring is pressed in place, so that the press-fitting jig has the following defects: 1. the press-in forces cannot be controlled simultaneously, and the same press-in forces of the two outer rings cannot be ensured; 2. when a single bearing outer ring is pressed in, more equipment is needed, and the working procedure is complicated; 3. the bearing outer rings are pressed in a sub-process, and the coaxiality of the two bearing outer rings is not easy to guarantee; 4. the sub-process press mounting has low working efficiency, influences the press mounting rhythm and occupies more space.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a main reducer assembly owner tooth bearing outer loop pressure equipment tool has solved the problem that the background art provided.
In order to achieve the above object, an embodiment of the present invention provides a main gear bearing outer ring press-fitting jig for a main reducer assembly, comprising a workbench, wherein a pull rod movably penetrates through the workbench, the upper end surface of the workbench is connected with a bottom plate, the bottom plate is provided with a through hole for the pull rod to pass through, the through hole on the bottom plate is overlapped with a base sleeved on the pull rod, the pull rod is movably connected with the base through a self-lubricating guiding bearing, the upper end of the base is provided with a groove located in the circumferential direction of the pull rod, a small bearing outer ring press head sleeved on the pull rod is inserted in the groove, the periphery of the base is circumferentially surrounded with a buffer spring of which the lower end is connected with the lower side wall of the base, the upper end of the buffer spring is connected with an outer sleeve sleeved on the base, the middle part of the upper end of the outer sleeve is provided with a notch, the main gear small bearing outer ring in the main reducer outer ring press-fitting, the hydraulic reducer is characterized in that a main gear large bearing outer ring pressure head is sleeved at one end, located in a main reducer casing cavity, of the pull rod, the main gear large bearing in the main reducer casing is abutted against the lower end face of the main gear large bearing outer ring pressure head, a circumferential bayonet is formed in the pull rod, a pressing plate with the lower end abutted against the upper end face of the main gear large bearing outer ring pressure head is arranged on the bayonet, a pull rod support is inserted into the lower end of the pull rod, a connection adjusting sleeve is connected to the lower end of the pull rod support, and the lower end of the connection adjusting sleeve is connected with a telescopic end of an oil cylinder.
Optionally, the annular inner side wall of the outer ring of the main-tooth small bearing is a conical surface arranged obliquely downwards, and the outer circumferential side wall of the upper portion of the pressure head of the outer ring of the small bearing is of a conical surface structure matched with the inner side wall of the outer ring of the main-tooth small bearing.
Optionally, the annular inside wall of the big bearing of the main tooth is the inclined upward conical surface setting, the outer circumference lateral wall of the big bearing outer ring pressure head lower part of the main tooth is the conical surface structure matched with the inside wall of the big bearing of the main tooth.
Optionally, a plurality of jacks distributed annularly are formed in the end face of the lower portion of the base, and the base is inserted into the jacks through positioning pins and fixedly connected with the bottom plate.
Optionally, the cross-section hypomere of little bearing outer ring pressure head is the type of falling T structure, and the inside wall of little bearing outer ring pressure head is connected with the copper sheathing of cover on the pull rod, and the junction of the horizontal terminal surface of little bearing outer ring pressure head and base is provided with the adjusting shim of annular structure.
Optionally, a shield having a top portion overlapping the outer sleeve flange portion is disposed on the upper end surface of the bottom plate.
Optionally, an oil cylinder pull rod locking thin nut is sleeved at the joint of the telescopic end of the oil cylinder and the connection adjusting sleeve.
Optionally, a sensor flange is sleeved on the pull rod support, and a pressure-resistant sensor sleeved on the connection adjusting sleeve is arranged at the lower end of the sensor flange.
Optionally, the oil cylinder is connected with a hydraulic cylinder bracket, the top of which is installed on the bottom wall of the workbench.
Optionally, the pressing plate is of a U-shaped structure.
One of the above technical solutions has the following advantages or beneficial effects:
1. the bearing outer ring is pressed by adopting an up-and-down simultaneous pressing mode, so that the press mounting efficiency is improved, and the working space is saved;
2. the main reducer shell is pre-positioned and placed in a floating mode, and the press-fitting precision is improved;
3. the self-lubricating bearing is adopted, so that the positioning precision is improved, and the coaxiality of the upper bearing outer ring and the lower bearing outer ring is ensured;
the tool is stable and reliable, can be used for quickly press-fitting, the bearing outer rings on two sides are uniformly stressed after press-fitting, the problem that the press-fitting of the outer rings and workpieces is deformed or the press-fitting is not in place is solved, the positioning coaxiality is ensured, the tool is uniformly attached to the end faces of the bearing outer rings, and the press-fitting precision is improved by adopting conical surface pre-positioning guiding.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of part A of the present invention;
FIG. 3 is a schematic view of the structure of the pull rod of the present invention;
FIG. 4 is a schematic view of the base structure of the present invention;
FIG. 5 is a schematic view of the structure of the outer cover of the present invention;
FIG. 6 is a schematic view of the structure of the outer ring pressing head of the small bearing of the present invention;
FIG. 7 is a schematic structural view of the outer ring pressure head of the main gear large bearing of the present invention;
fig. 8 is the press-fitting assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-8, the embodiment of the utility model provides a main reducer assembly owner tooth bearing outer loop pressure equipment tool, including workstation 8, workstation 8 goes up the activity and runs through there is pull rod 18, workstation 8's up end is connected with bottom plate 9, set up the through-hole that supplies pull rod 18 to pass on the bottom plate 9, the through-hole department overlap joint on the bottom plate 9 has the cover to establish base 14 on pull rod 18, a plurality of jacks that are the hoop distribution are seted up to base 14 lower part terminal surface, base 14 inserts jack and bottom plate 9 fixed connection through the locating pin, pull rod 18 passes through self-lubricating guiding bearing 12 and base 14 swing joint, upper and lower bearing outer loop axiality is guaranteed.
The upper end of the base 14 is provided with a groove positioned in the circumferential direction of the pull rod 18, a small bearing outer ring pressure head 16 sleeved on the pull rod 18 is inserted in the groove, a buffer spring 11 with the lower end connected with the lower side wall of the base 14 is arranged around the outer circumference of the base 14, the upper end of the buffer spring 11 is connected with an outer sleeve 13 sleeved on the base 14, the middle part of the upper end of the outer sleeve 13 is provided with a notch, a main reducing shell 19 sleeved on the outer ring of the small bearing outer ring pressure head 16 is inserted in the notch, the main reducing shell 19 adopts rabbet prepositioning, the influence of the placement position of the main reducing shell 19 on the press-fitting precision is reduced by adopting a floating mode, the upper end surface of the bottom plate 9 is provided with a shield 10 with the top lapped on the flange part of the outer sleeve 13, a main tooth small bearing outer ring 17 in the main reducing shell 19 is abutted on the small bearing pressure, the outer circumferential side wall of the upper part of the small bearing outer ring pressure head 16 is of a conical surface structure matched with the inner side wall of the main gear small bearing outer ring 17.
The cross-section hypomere of little bearing outer ring pressure head 16 is the type of falling T structure, the inside wall of little bearing outer ring pressure head 16 is connected with the copper sheathing of cover on pull rod 18, the junction of the horizontal terminal surface of little bearing outer ring pressure head 16 and base 14 is provided with adjustment pad 15 of annular structure, the pot head that pull rod 18 is located main 19 cavity of reducing the shell casing is equipped with the big bearing outer ring pressure head of main tooth 21, the big bearing 20 of main tooth in the main shell casing 19 supports and presses the lower terminal surface at the big bearing outer ring pressure head of main tooth 21, the annular inside wall of the big bearing 20 of main tooth is oblique ascending conical surface setting, the outer circumference lateral wall of the big bearing outer ring pressure head of main tooth 21 lower part is the conical surface structure that matches with the big bearing 20 inside wall of main tooth, the annular bayonet socket has been seted up on pull rod 18, the bayonet socket endotheca is equipped with the clamp plate 22 that the lower extreme supported at the big bearing pressure.
The lower extreme of pull rod 18 is pegged graft and is had pull rod support 6, the lower extreme of pull rod support 6 is connected with connection adjusting sleeve 3, adjustment pressure equipment position, guarantee that pull rod 18 drives the pressure head pressure bearing outer ring and be in 1 effective stroke of hydro-cylinder, the cover is equipped with sensor flange 5 on pull rod support 6, the lower extreme of sensor flange 5 is provided with the anti pressure sensor 4 of cover on connecting adjusting sleeve 3, rely on anti pressure sensor 4 output signal, the force of impressing of every product bearing outer ring of real-time supervision, it is in the required scope to ensure the force of impressing, the lower extreme of connecting adjusting sleeve 3 is connected with the flexible end of hydro-cylinder 1, the flexible end of hydro-cylinder 1 overlaps with the junction of connecting adjusting sleeve 3 and is equipped with thin nut 2 of hydro-cylinder pull rod locking, be connected with hydraulic cylinder support 7.
The working principle is as follows: the main tooth small bearing outer ring 17 is placed on a tool, the cleaned main reducer shell 19 is placed on the tool, the small head is placed downwards, the main tooth large bearing 20 and the matched press-fitting tool are placed at the bearing position of the main reducer shell 19, the pressing plate 22 is clamped at the position of the clamping opening of the pull rod 18, the external press-fitting button is pressed, the telescopic end of the oil cylinder 1 is driven to be pressed upwards, the pressing is kept for 10 seconds, after the workpiece rotates for 90 degrees, the pressing button is loosened after the workpiece is pressed for 5 seconds again, the pressing plate 22 is taken down, the workpiece and the corresponding tool are taken down, and the operation is completed.
The tool is stable and reliable, can be used for quickly press-fitting, the bearing outer rings on two sides are uniformly stressed after press-fitting, the problem that the press-fitting of the outer rings and workpieces is deformed or the press-fitting is not in place is solved, the positioning coaxiality is ensured, the tool is uniformly attached to the end faces of the bearing outer rings, and the press-fitting precision is improved by adopting conical surface pre-positioning guiding.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a main reducer assembly owner tooth bearing outer loop pressure equipment tool, includes workstation (8), its characterized in that: the upper end surface of the workbench (8) is connected with a bottom plate (9), a through hole for the pull rod (18) to pass through is formed in the bottom plate (9), a base (14) sleeved on the pull rod (18) is overlapped at the through hole on the bottom plate (9), the pull rod (18) is movably connected with the base (14) through a self-lubricating guide bearing (12), a groove located in the circumferential direction of the pull rod (18) is formed in the upper end of the base (14), a small bearing outer ring pressure head (16) sleeved on the pull rod (18) is inserted in the groove, a buffer spring (11) with the lower end connected with the lower side wall of the base (14) is wound in the circumferential direction of the base (14), an outer sleeve (13) sleeved on the base (14) is connected to the upper end of the outer sleeve (13), a notch is formed in the middle of the upper end of the outer sleeve (13), and a main shell reducing shell body (19) sleeved on the outer ring pressure head (16) of the small bearing is inserted in the, the main gear small bearing outer ring (17) in the main reducer casing (19) is supported and pressed on the small bearing outer ring pressure head (16), one end cover that the pull rod (18) is located in the cavity of the main reducer casing (19) is provided with a main gear large bearing outer ring pressure head (21), the main gear large bearing (20) in the main reducer casing (19) is supported and pressed on the lower end face of the main gear large bearing outer ring pressure head (21), a circumferential bayonet is formed in the pull rod (18), a pressing plate (22) with the lower end supported on the upper end face of the main gear large bearing outer ring pressure head (21) is sleeved in the bayonet, a pull rod support (6) is inserted into the lower end of the pull rod (18), the lower end of the pull rod support (6) is connected with a connection adjusting sleeve (3), and the lower end of the connection adjusting sleeve (3) is connected with the telescopic end of an oil cylinder (1).
2. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: the annular inside wall of owner tooth small bearing outer ring (17) is slant decurrent conical surface setting, the outer circumference lateral wall on small bearing outer ring pressure head (16) upper portion is the conical surface structure that matches with main tooth small bearing outer ring (17) inside wall.
3. The main reducer assembly main gear bearing outer ring press fitting jig of claim 2, characterized in that: the annular inner side wall of the main tooth large bearing (20) is obliquely arranged on an upward conical surface, and the outer circumferential side wall of the lower part of the main tooth large bearing outer ring pressure head (21) is of a conical surface structure matched with the inner side wall of the main tooth large bearing (20).
4. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: a plurality of jacks distributed annularly are formed in the end face of the lower portion of the base (14), and the base (14) is inserted into the jacks through positioning pins and fixedly connected with the bottom plate (9).
5. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: the cross-section hypomere of little bearing outer ring pressure head (16) is the type of falling T structure, and the inside wall of little bearing outer ring pressure head (16) is connected with the copper sheathing of cover establishing on pull rod (18), and the junction of the horizontal terminal surface of little bearing outer ring pressure head (16) and base (14) is provided with adjustment gasket (15) of annular structure.
6. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: the upper end face of the bottom plate (9) is provided with a shield (10) the top of which is lapped on the flange part of the outer sleeve (13).
7. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: an oil cylinder pull rod locking thin nut (2) is sleeved at the joint of the telescopic end of the oil cylinder (1) and the connection adjusting sleeve (3).
8. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: the pull rod support (6) is sleeved with a sensor receiving disc (5), and the lower end of the sensor receiving disc (5) is provided with a pressure resisting sensor (4) which is sleeved on the connection adjusting sleeve (3).
9. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: the hydraulic cylinder (1) is connected with a hydraulic cylinder bracket (7) the top of which is arranged on the bottom wall of the workbench (8).
10. The main reducer assembly main gear bearing outer ring press fitting jig of claim 1, characterized in that: the pressing plate (22) is of a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021362608.6U CN212918341U (en) | 2020-07-13 | 2020-07-13 | Main reducer assembly main tooth bearing outer ring press fitting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021362608.6U CN212918341U (en) | 2020-07-13 | 2020-07-13 | Main reducer assembly main tooth bearing outer ring press fitting jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212918341U true CN212918341U (en) | 2021-04-09 |
Family
ID=75329425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021362608.6U Expired - Fee Related CN212918341U (en) | 2020-07-13 | 2020-07-13 | Main reducer assembly main tooth bearing outer ring press fitting jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212918341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967739A (en) * | 2023-09-25 | 2023-10-31 | 成都瑞迪智驱科技股份有限公司 | High-precision assembly fixture and method for rigid gear and cross bearing of harmonic reducer |
-
2020
- 2020-07-13 CN CN202021362608.6U patent/CN212918341U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967739A (en) * | 2023-09-25 | 2023-10-31 | 成都瑞迪智驱科技股份有限公司 | High-precision assembly fixture and method for rigid gear and cross bearing of harmonic reducer |
| CN116967739B (en) * | 2023-09-25 | 2023-12-12 | 成都瑞迪智驱科技股份有限公司 | High-precision assembly fixture and method for rigid gear and cross bearing of harmonic reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |