CN111590309A - Bolt dismounting torque increasing device - Google Patents
Bolt dismounting torque increasing device Download PDFInfo
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- CN111590309A CN111590309A CN201910125193.6A CN201910125193A CN111590309A CN 111590309 A CN111590309 A CN 111590309A CN 201910125193 A CN201910125193 A CN 201910125193A CN 111590309 A CN111590309 A CN 111590309A
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- shaft assembly
- gear
- bearing
- support plate
- output shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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- Mechanical Engineering (AREA)
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Abstract
A bolt dismounting torque increaser, comprising: fixed connection's planetary gear mechanism, first carriage plate and second carriage plate in proper order and set up jackshaft assembly, fixed output shaft assembly, portable output shaft assembly and the sliding support seat between first carriage plate and second carriage plate respectively, wherein: the intermediate shaft assembly is rotatably arranged between the first support plate and the second support plate and connected with the planetary gear mechanism, the fixed output shaft assembly is rotatably arranged between the first support plate and the second support plate and meshed with the intermediate shaft assembly, the movable output shaft assembly is movably arranged between the first support plate and the second support plate and meshed with the intermediate shaft assembly, and the sliding support seat is movably arranged between the movable output shaft assembly and the first support plate. The invention simplifies the operation steps of assembling and disassembling the locking bolt, greatly improves the working efficiency and safety, can adapt to the application of a plurality of transmission platforms, and has convenient adjustment of the sliding support seat, convenient and fast adjustment of the center distance, more compact and concise structure and more convenient operation.
Description
Technical Field
The invention relates to a technology in the field of mechanical part dismounting, in particular to a bolt dismounting torque increaser.
Background
Lock bolts are widely used in the field of automotive transmission manufacturing, and very large torque forces are required to tighten and loosen the lock bolts. Taking an automobile transmission as an example, the tightening torque is very large and is coated with thread tightening glue when the locking bolt is assembled, and after the thread tightening glue is solidified, the loosening torque required for disassembling the locking bolt is much larger than the tightening torque during assembly, so that the operation is time-consuming and labor-consuming and the efficiency is low when the locking bolt is manually disassembled. At present, the cost of the equipment for loosening and tightening the large-torque bolt is up to tens of thousands yuan or even hundreds of thousands, and the equipment cannot be basically equipped in a manual trial-manufacturing workshop, a repair workshop, an automobile maintenance shop and the like of a factory.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the bolt dismounting torque increaser which is coaxially connected with the intermediate shaft assembly through the planetary gear mechanism, the intermediate shaft assembly is simultaneously meshed with the fixed output shaft and the movable output shaft, and the intermediate shaft assembly simultaneously outputs the increased torque to the fixed output end and the movable output end, so that the mounting and dismounting of two locking nuts are completed, the structure is more compact and concise, and the operation is more convenient.
The invention is realized by the following technical scheme:
the invention comprises the following steps: fixed connection's planetary gear mechanism, first carriage plate and second carriage plate in proper order and set up jackshaft assembly, fixed output shaft assembly, portable output shaft assembly and the sliding support seat between first carriage plate and second carriage plate respectively, wherein: the intermediate shaft assembly is rotatably arranged between the first support plate and the second support plate and connected with the planetary gear mechanism, the fixed output shaft assembly is rotatably arranged between the first support plate and the second support plate and meshed with the intermediate shaft assembly, the movable output shaft assembly is movably arranged between the first support plate and the second support plate and meshed with the intermediate shaft assembly, and the sliding support seat is movably arranged between the movable output shaft assembly and the first support plate.
The planetary gear mechanism includes: planet carrier, ring gear, sun gear and a plurality of planet wheel, wherein: the sun gear is arranged at the center of the gear ring, the planet gears are uniformly distributed in the gear ring and are respectively meshed with the sun gear and the gear ring, and the planet carrier is arranged on one side surface of the center of the gear ring and is connected with the planet gears through bolts.
The intermediate shaft assembly comprises: counter shaft, intermediate gear and flat key with counter shaft bearing, wherein: the intermediate gear is arranged in the middle of the intermediate shaft, the flat key is arranged on the intermediate shaft, and the inner ring of the intermediate shaft bearing is arranged on one side, close to the flat key, of the intermediate shaft and is connected with the planetary gear mechanism.
The fixed output shaft assembly comprises: fixed axle, fixed gear and bearing support, wherein: the fixed gear is arranged in the middle of the fixed shaft, and the bearing supports are arranged at two ends of the fixed shaft and are respectively connected with the first support plate and the second support plate.
The movable output shaft assembly comprises: an output gear shaft with a bearing, wherein: the output gear shaft is respectively connected with the sliding support seat and the second bracket plate.
Technical effects
Compared with the prior art, the locking bolt assembly and disassembly operation steps are simplified, the working efficiency and safety are greatly improved due to the design of the double output shafts, the center distance between the two output shafts can be adjusted to adapt to the application of a plurality of transmission platforms, the sliding support seat is convenient to adjust, the center distance is convenient to adjust, the torque requirement of the torque increaser on an input source is lower, and the planetary gear mechanism is adopted as a first-stage speed reduction, so that the whole torque increaser is more compact and concise in structure and more convenient to operate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of a planetary gear mechanism of the present invention;
FIG. 4 is a rear elevational view of the planetary gear mechanism of the present invention;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic view of the overall structure of the handle of the present invention;
FIG. 8 is a schematic view of the construction of the intermediate shaft assembly according to the present invention;
FIG. 9 is a schematic view of a fixed output shaft assembly according to the present invention;
FIG. 10 is a schematic view of a movable output shaft assembly according to the present invention;
in the figure: a is a front view, and b is a cross-sectional structure schematic diagram of the front view;
FIG. 11 is a schematic view of a sliding support according to the present invention;
FIG. 12 is a schematic view of the connection of the first and second brace panels of the present invention;
FIG. 13 is a schematic view of a connecting rod according to the present invention;
FIG. 14 is a schematic structural diagram of an example of use of the present invention;
in the figure: the planetary gear mechanism 1, the intermediate shaft assembly 2, the fixed output shaft assembly 3, the movable output shaft assembly 4, the sliding support seat 5, the first support plate 6, the second support plate 7, the planet carrier 8, the gear ring 9, the sun gear 10, the planet gear 11, the handle 12, the mounting hole 13, the threaded hole 14, the spline groove 15, the needle bearing 16, the first wear-resistant spacer 17, the square hole 18, the outer ring 19, the intermediate shaft 20, the intermediate gear 21, the intermediate shaft bearing 22, the flat key 23, the fixed shaft 24, the fixed gear 25, the bearing support 26, the bearing 27, the output gear shaft 28, the blind hole 29, the through hole 30, the bearing boss 31, the first arc-shaped groove 32, the first bearing hole 33, the center boss 34, the second arc-shaped groove 35, the second bearing hole 36, the connecting rod 37, the bolt 38 and the second wear-resistant spacer 39.
Detailed Description
As shown in fig. 1, the bolt dismounting torque increaser according to the present embodiment includes: planetary gear mechanism 1, jackshaft assembly 2, fixed output shaft assembly 3, portable output shaft assembly 4, sliding support seat 5, first carriage board 6 and second carriage board 7, wherein: planetary gear mechanism 1, first mounting plate 6 and second mounting plate 7 are with a central symmetry and through connecting rod 37 range upon range of setting from top to bottom in proper order, jackshaft assembly 2 with planetary gear mechanism 1 coaxial coupling and set up in first mounting plate 6 and second mounting plate 7 centre, fixed output shaft assembly 3 and portable output shaft assembly 4 set up respectively between first mounting plate 6 and second mounting plate 7 and with the meshing of jackshaft assembly 2, slide support 5 sets up 6 and links to each other with portable output shaft assembly 4 under the first mounting plate.
The planetary gear mechanism 1 includes: planet carrier 8, ring gear 9, sun gear 10 and three planet wheels 11, wherein: the sun gear 10 is arranged in the center of the gear ring 9, the three planet gears 11 are uniformly distributed in the gear ring 9 and are simultaneously meshed with the sun gear 10 and the gear ring 9, and the planet carrier 8 is arranged on one side surface of the center of the gear ring 9 and is connected with the planet gears 11 through bolts 38.
The planet carrier 8 is provided with a spline groove 15 matched with the intermediate shaft 20, the joint of the planet carrier and the planet wheel 11 is provided with a needle bearing 16 matched with the planet wheel, and the needle bearing 16 is provided with a first wear-resistant space ring 17.
The outer side of the gear ring 9 is provided with a handle 12 and a mounting hole 13 corresponding to the handle 12, and the gear ring 9 is provided with a threaded hole 14.
The top end of the sun gear 10 is provided with a square hole 18, and a bearing outer ring 19 matched with an intermediate shaft 20 is arranged in the sun gear 10.
As shown in fig. 8, the intermediate shaft assembly 2 includes: an intermediate shaft 20 with an intermediate shaft bearing 22, an intermediate gear 21 and a flat key 23, wherein: the intermediate gear 21 is arranged in the middle of the intermediate shaft 20, the flat key 23 is arranged on the intermediate shaft 20 and matched with the spline groove 15, and the inner ring of the intermediate shaft bearing 22 is arranged on one side, close to the flat key 23, of the intermediate shaft 20 and matched with the outer ring 19 of the intermediate bearing.
The fixed output shaft assembly 3 includes: a stationary shaft 24, a stationary gear 25 and a bearing support 26, wherein: a fixed gear 25 is provided at a middle position of the fixed shaft 24 and engaged with the intermediate gear 21, and bearing supports 26 are provided at both ends of the fixed shaft and coupled to the first and second bracket plates 6 and 7, respectively.
As shown in fig. 10, the movable output shaft assembly 4 includes: an output gear shaft 28 with bearings 27, wherein: the output gear shaft 28 is connected to the slide bearing 5 and the second bracket plate 7, respectively, and is engaged with the intermediate gear 21.
A blind hole 29 for mounting a bearing is formed in the output gear shaft 28.
A second wear-resistant space ring 39 is arranged between the output gear shaft 28 and the second bracket plate 7.
As shown in fig. 12, the first bracket plate 6 is provided with a first arc-shaped groove 32 and a first bearing hole 33, the first bracket plate 6 is provided with a central boss 34 matched with the sliding support seat 5, wherein: one end of the slide bearing 5 is located in the first arc-shaped groove 32, and a bearing support 26 for fixing the output shaft assembly 3 is disposed in the first bearing hole 33.
The second support plate 7 is provided with a second arc-shaped groove 35 and a second bearing hole 36, wherein: the other bearing support 26 of the fixed output shaft assembly 3 is located in the second bearing hole 36 and the output end of the movable output shaft assembly 4 is located in the second arcuate slot 35.
As shown in fig. 11, one end of the slide support base 5 is provided with a through hole 30 matched with the central boss 34, the other end is provided with a threaded hole 14 on the front side for connecting with the first support plate 6, and the reverse side is provided with a bearing boss 31 matched with the bearing 27.
The length of the connecting rod 37 between the planetary gear mechanism 1 and the first carrier plate 6 is smaller than the connecting rod 37 between the first carrier plate 6 and the second carrier plate 7.
As shown in fig. 14, in the device, a torque input source gives torque through a square hole 18 at the top end of the sun gear 10 and drives the sun gear 10 to rotate, firstly, the device is subjected to primary speed reduction (a gear ring is fixed and the sun gear is driven and revolves while a planetary gear rotates and drives the planetary carrier 8 to rotate together, the rotation direction of the planetary carrier 8 is consistent with the rotation direction of the sun gear 10, speed reduction and torque increase are carried out again through meshing of a secondary gear, the intermediate shaft assembly 2 simultaneously outputs the increased torque to the fixed output shaft assembly 3 serving as a fixed output end and the movable output shaft assembly 4 serving as a movable output end, and therefore installation and disassembly of two lock nuts are completed.
By loosening the two bolts for fixing the sliding support seat and the first support plate, the sliding support seat and the movable output end of the bolt dismounting torque increaser can respectively and freely move in the arc-shaped grooves of the first support plate and the second support plate, and the bolt is screwed up to be adjusted to a satisfactory center distance position, so that the requirements of dismounting and mounting shafting locking bolts with different center distances are met.
The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the invention, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a bolt dismouting increases turns round ware which characterized in that includes: fixed connection's planetary gear mechanism, first carriage plate and second carriage plate in proper order and set up jackshaft assembly, fixed output shaft assembly, portable output shaft assembly and the sliding support seat between first carriage plate and second carriage plate respectively, wherein: the intermediate shaft assembly is rotatably arranged between the first support plate and the second support plate and connected with the planetary gear mechanism, the fixed output shaft assembly is rotatably arranged between the first support plate and the second support plate and meshed with the intermediate shaft assembly, the movable output shaft assembly is movably arranged between the first support plate and the second support plate and meshed with the intermediate shaft assembly, and the sliding support seat is movably arranged between the movable output shaft assembly and the first support plate.
2. The bolt dismounting torque booster according to claim 1, wherein said planetary gear mechanism comprises: planet carrier, ring gear, sun gear and a plurality of planet wheel, wherein: the sun gear is arranged at the center of the gear ring, the planet gears are uniformly distributed in the gear ring and are respectively meshed with the sun gear and the gear ring, and the planet carrier is arranged on one side surface of the center of the gear ring and is connected with the planet gears through bolts.
3. The bolt dismounting torque booster according to claim 1, wherein the first bracket plate is provided with a first arc-shaped groove and a first bearing hole, and the first bracket plate is provided with a central boss matched with the sliding support seat, wherein: the first arc-shaped groove is connected with the sliding support seat in a sliding manner, and the first bearing hole is matched with the fixed output shaft assembly;
the second mounting plate on be equipped with second arc wall and second bearing hole, wherein: the second arc-shaped groove is connected with the movable output shaft assembly in a sliding mode, and the second bearing hole is matched with the fixed output shaft assembly.
4. The stud disassembly and assembly torque multiplier of claim 1, wherein said intermediate shaft assembly comprises: counter shaft, intermediate gear and flat key with counter shaft bearing, wherein: the intermediate gear is arranged in the middle of the intermediate shaft, the flat key is arranged on the intermediate shaft and matched with the spline groove, and the inner ring of the intermediate shaft bearing is arranged on one side, close to the flat key, of the intermediate shaft and matched with the bearing outer ring.
5. The stud disassembly and assembly torque multiplier of claim 1, wherein said stationary output shaft assembly comprises: fixed axle, fixed gear and bearing support, wherein: the fixed gear is arranged in the middle of the fixed shaft, and the bearing supports are arranged at two ends of the fixed shaft and are respectively connected with the first support plate and the second support plate.
6. The stud disassembly and assembly torque multiplier of claim 1, wherein said movable output shaft assembly comprises: an output gear shaft with a bearing, wherein: the output gear shaft is respectively connected with the sliding support seat and the second bracket plate and is meshed with the intermediate gear.
7. The bolt dismounting torque increaser according to claim 1, 3 or 6, wherein one end of the sliding support seat is provided with a through hole matched with the central boss, the other end of the sliding support seat is provided with a threaded hole on the front side for connecting with the first support plate, and the reverse side is provided with a bearing boss matched with the bearing.
8. The bolt dismounting torque increaser according to claim 2, wherein the planet carrier is provided with a spline groove matched with the intermediate shaft, the joint of the planet gear and the spline groove is provided with a matched needle bearing, and the needle bearing is provided with a first wear-resistant space ring.
9. The bolt dismounting torque increaser according to claim 2, wherein a handle and a mounting hole corresponding to the handle are arranged outside the gear ring, and a threaded hole is arranged on the gear ring.
10. The bolt dismounting torque increaser according to claim 2, wherein a square hole is arranged at the top end of the sun wheel, and a bearing outer ring matched with the intermediate shaft is arranged in the sun wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125193.6A CN111590309A (en) | 2019-02-20 | 2019-02-20 | Bolt dismounting torque increasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125193.6A CN111590309A (en) | 2019-02-20 | 2019-02-20 | Bolt dismounting torque increasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111590309A true CN111590309A (en) | 2020-08-28 |
Family
ID=72181293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910125193.6A Pending CN111590309A (en) | 2019-02-20 | 2019-02-20 | Bolt dismounting torque increasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111590309A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833774A (en) * | 2022-05-12 | 2022-08-02 | 湖北登峰高强螺栓有限公司 | Fastening mechanism capable of fixing multiple holes at one time and installation method thereof |
-
2019
- 2019-02-20 CN CN201910125193.6A patent/CN111590309A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833774A (en) * | 2022-05-12 | 2022-08-02 | 湖北登峰高强螺栓有限公司 | Fastening mechanism capable of fixing multiple holes at one time and installation method thereof |
| CN114833774B (en) * | 2022-05-12 | 2023-09-15 | 湖北登峰高强螺栓有限公司 | Fastening mechanism capable of fixing multiple holes at one time and mounting method thereof |
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