CN111070148A - Bolt fastening device and control method thereof - Google Patents
Bolt fastening device and control method thereof Download PDFInfo
- Publication number
- CN111070148A CN111070148A CN201911352281.6A CN201911352281A CN111070148A CN 111070148 A CN111070148 A CN 111070148A CN 201911352281 A CN201911352281 A CN 201911352281A CN 111070148 A CN111070148 A CN 111070148A
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- sleeve
- gear
- bolt
- fastening device
- output shaft
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- 238000000034 method Methods 0.000 title claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 16
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a bolt fastening device and a control method thereof, comprising the following steps: the transmission assembly is characterized by comprising a driving gear, and the driving gear is arranged on the output shaft of the reduction gearbox; the driving gear is meshed with the external gear sleeve; the planetary wheel assembly is arranged in the outer gear sleeve. The bolt fastening device of the invention is provided with a positioning bolt and used for fastening or loosening the positioning bolt; the bolt fastening device adopts single power output, can simultaneously drive a single or a plurality of screwdriver heads to fasten or loosen the bolt, has low manufacturing cost, simple structure, convenient carrying and maintenance, convenient operation and improved working efficiency.
Description
Technical Field
The invention relates to a fastening device, in particular to a bolt fastening device.
Background
One of the conventional bolt fastening devices is to fasten the bolt structure by a torque wrench through multiple single rotations, so that the normal operation of the bolt fastening device is affected due to the uneven stress of a plurality of bolt structures. Some bolt fastening devices are fastened by driving a motor, but only one bolt can be fastened at a time. Some bolt fastening devices can fasten a plurality of bolts at the same time, but are driven by a plurality of motors, so that the bolt fastening device is complex in structure, difficult to operate, high in cost and free of a pre-positioning function.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides a bolt fastening device which has a positioning function, can simultaneously fasten or unfasten a plurality of bolts, and adopts single power output.
The technical scheme adopted by the invention is as follows:
a bolt fastening device comprising: the output shaft of the driving motor is connected with the input shaft of the reduction gearbox, the output shaft of the reduction gearbox is connected with the bit assembly through a transmission assembly, the transmission assembly comprises a driving gear, and the driving gear is arranged on the output shaft of the reduction gearbox; the driving gear is meshed with the external gear sleeve; the planetary wheel assembly is arranged in the outer gear sleeve.
Preferably, the planet assembly comprises an inner sleeve disposed within an outer sleeve; the inner gear sleeve is connected with the batch head component.
Preferably, the batch head assembly comprises a batch head sleeve; the batch head sleeve comprises a front end sleeve and a rear end sleeve; the front end sleeve is provided with a bit sleeve outer gear sleeve; the external gear sleeve of the bit sleeve is meshed with the internal gear sleeve; the inner surface of the outer gear sleeve of the batch head sleeve is provided with a bulge along the circumferential direction; a limiting mounting hole is formed in the center of the rear sleeve; a screwdriver bit power output shaft is arranged in the limiting mounting hole; a linear bearing is arranged in the middle of the screwdriver head power output shaft; the rear end of the rear sleeve is inserted into the linear bearing; the rear end of the bit power output shaft is provided with a small planet wheel;
the rear end sleeve penetrates through the planet wheel support;
a front-end ultrathin bearing is arranged on the outer side of the circumference of the planet wheel support;
the screwdriver head power output shaft is provided with an electromagnetic clutch device;
a sun gear is arranged on the central shaft;
a positioning hole is formed in the center of the planet wheel support;
the front end of the central shaft is arranged in the positioning hole;
preferably, the sun gear meshes with the pinion.
Preferably, the planet wheel support is provided with a supporting seat; the supporting seat is provided with a supporting hole; the rear sleeve penetrates through the support hole.
Preferably, the electromagnetic clutch device is a disc-shaped neodymium iron boron magnet arranged at the rear end part of the screwdriver head power output shaft; the back part of the disc-shaped neodymium iron boron magnet is provided with an electromagnet; the electromagnet is arranged on the electromagnet bracket; a rear end ultrathin bearing is sleeved outside the electromagnet support; the center of the electromagnet bracket is provided with a central shaft.
Preferably, the electromagnet support is a disc-shaped support.
Preferably, the number of the small planet wheels is four; the small planet wheels are uniformly distributed along the circumference; the planet wheel support is connected with the electromagnet support through a connecting shaft.
Preferably, the outer circumferential surface of the rear ultrathin bearing is arranged in the outer gear sleeve; the outer circumferential surface of the rear ultrathin bearing is matched with the inner surface of the outer gear sleeve; the mounting plate supporting seat is a circular ring bulge arranged on the front end face of the mounting plate.
Preferably, the rear-end ultrathin bearing is arranged in the mounting plate supporting seat; the mounting plate is provided with mounting plate mounting holes; the output shaft of the reduction box penetrates through the mounting hole of the mounting plate; the reduction box is arranged on the mounting plate.
A bolt fastening device control method includes the following control steps:
the motor outputs power to the driving gear through the reduction gearbox, the driving gear transmits the power to the external gear sleeve, the external gear sleeve is connected with the internal gear sleeve, and the power is transmitted to the internal gear sleeve;
the electromagnet is controlled to attract and repel the opposite neodymium iron boron, so that the corresponding batch head is driven to move, the inner gear sleeve and the gear on the batch head are meshed or separated, and the rotation or stop of the batch head is controlled;
the sun gear in the inner gear sleeve plays a transition role and is meshed with the four small planetary gears to move, at most three pairs of electromagnets are controlled to open and close the neodymium iron boron at one time, and one small planetary gear positioned on the screwdriver head power output shaft is reserved to be meshed with the sun gear
Compared with the prior art, the invention has the beneficial effects that:
the bolt fastening device of the invention is provided with a positioning bolt and used for fastening or loosening the positioning bolt; the bolt fastening device adopts single power output, can simultaneously drive a single or a plurality of screwdriver heads to fasten or loosen the bolt, has low manufacturing cost, simple structure, convenient carrying and maintenance, convenient operation and improved working efficiency.
Drawings
FIG. 1 is an exploded view of a bolt fastening device according to the present invention;
FIG. 2 is a schematic structural view of the bolt fastening apparatus of the present invention;
FIG. 3 is a schematic view of the construction of the planetary assembly of the bolt tightening apparatus of the present invention;
FIG. 4 is a schematic view showing a connection structure of an electromagnet support and an electromagnet of the bolt fastening apparatus according to the present invention;
FIG. 5 is a schematic view of a connection structure of a planet wheel carrier and a sun wheel support shaft of the bolt fastening device of the invention;
FIG. 6 is a schematic view showing a connection structure of a bit and a bit power output shaft of the bolt fastening device according to the present invention;
fig. 7 is a schematic end view of the front end socket of the bolt fastening device of the present invention.
In the drawings, the main parts are illustrated by symbols:
in the figure:
1. driving motor 2 and reduction gearbox
3. Drive gear 4, outer gear sleeve
5. Inner gear sleeve 6 and front end sleeve
7. Rear end sleeve 8 and bit sleeve external gear sleeve
9. Bulge 10 and limiting mounting hole
11. Bit power output shaft 12 and linear bearing
13. Mounting plate 14, little planet wheel
15. Planet wheel support 16 and support base
17. Support hole 18 and front end ultrathin bearing
19. Nd-Fe-B magnet 20 and electromagnet
21. Electromagnet support 22 and rear end ultrathin bearing
23. Center shaft 24, sun gear
25. Positioning hole 26 and connecting shaft
27. And (7) mounting a plate supporting seat.
Detailed Description
The invention is described in detail below with reference to the figures and examples:
as can be seen in fig. 1-7, a bolt fastening device includes: the output shaft of the driving motor 1 is connected with the input shaft of the reduction gearbox 2, the output shaft of the reduction gearbox is connected with the bit assembly through a transmission assembly, the transmission assembly comprises a driving gear 3, and the driving gear 3 is arranged on the output shaft of the reduction gearbox; the driving gear 3 is meshed with the outer gear sleeve 4; the planetary wheel assembly is arranged in the outer gear sleeve 4.
The planet wheel component comprises an inner gear sleeve 5 arranged in an outer gear sleeve 4; the inner gear sleeve 5 is connected with the bit assembly.
The batch head assembly comprises a batch head sleeve; the batch head sleeve comprises a front end sleeve 6 and a rear end sleeve 7; the front end sleeve 6 is provided with a bit sleeve outer gear sleeve 8; the bit sleeve outer gear sleeve 8 is meshed with the inner gear sleeve 5; the inner surface of the bit sleeve outer gear sleeve 8 is provided with a bulge 9 along the circumferential direction; a limiting mounting hole 10 is formed in the center of the rear sleeve 7; a bit power output shaft 11 is arranged in the limiting mounting hole 10; the middle part of the bit power output shaft 11 is provided with a linear bearing 12; the rear end of the rear sleeve 7 is inserted into the linear bearing 12; the rear end of the bit power output shaft 11 is provided with a small planet wheel 14;
the rear sleeve 7 penetrates through the planet wheel support 15;
a front-end ultrathin bearing 18 is arranged on the outer side of the circumference of the planet wheel support 15;
the bit power output shaft 11 is provided with an electromagnetic clutch device;
a sun gear 24 is arranged on the central shaft 23;
a positioning hole 25 is formed in the center of the planet wheel support 15;
the front end of the central shaft 23 is arranged in the positioning hole 25;
the sun gear 24 meshes with the small planetary gears 14.
The diameter of the front sleeve 6 is larger than that of the rear sleeve 7.
The planet wheel support 15 is provided with a support base 16; the supporting seat 16 is provided with a supporting hole 17; the rear end sleeve 7 penetrates through the support hole 17.
The electromagnetic clutch is a disc-shaped neodymium iron boron magnet 19 arranged at the rear end part of the screwdriver head power output shaft 11; an electromagnet 20 is arranged at the rear part of the disc-shaped neodymium iron boron magnet 19; the electromagnet 20 is arranged on the electromagnet bracket 21; a rear end ultrathin bearing 22 is sleeved outside the electromagnet support 21; the center of the electromagnet bracket 21 is provided with a central shaft 23.
The electromagnet support 21 is a disc-shaped support.
Four small planet wheels 14; the small planet wheels are uniformly distributed along the circumference; the planet wheel carrier 15 is connected to the electromagnet carrier 21 via a connecting shaft 26.
The outer circumference of the rear ultrathin bearing 22 is arranged in the outer gear sleeve 4; the outer circumferential surface of the rear ultrathin bearing 22 is matched with the inner surface of the outer gear sleeve 4; the mounting plate supporting seat 27 is a circular ring bulge arranged on the front end surface of the mounting plate.
The rear end ultrathin bearing 22 is arranged in the mounting plate supporting seat 27; the mounting plate 13 is provided with mounting plate mounting holes 28; the output shaft of the reduction gearbox penetrates through the mounting plate mounting hole 28; the reduction gearbox 2 is arranged on the mounting plate 13.
A bolt fastening device control method includes the following control steps:
the motor outputs power to the driving gear through the reduction gearbox, the driving gear transmits the power to the external gear sleeve, the external gear sleeve is connected with the internal gear sleeve, and the power is transmitted to the internal gear sleeve;
the electromagnet is controlled to attract and repel the opposite neodymium iron boron, so that the corresponding batch head is driven to move, the inner gear sleeve and the gear on the batch head are meshed or separated, and the rotation or stop of the batch head is controlled;
the sun gear in the inner gear sleeve plays a transition role and is meshed with the four small planetary gears to move, at most three pairs of electromagnets are controlled to open and close the neodymium iron boron at one time, and one small planetary gear positioned on the screwdriver head power output shaft is reserved to be meshed with the sun gear. So as to prevent the phenomenon of tooth collision when all the planet wheels are separated from the sun gear and the attraction is caused.
The outer gear sleeve is connected with the inner gear sleeve; the screwdriver head is connected with a screwdriver head power output shaft, the small planetary gear is connected with the screwdriver head power output shaft, the neodymium iron boron is connected with the screwdriver head power output shaft, the screwdriver head power output shaft is connected with a planetary gear bracket through a linear bearing, the planetary gear bracket is connected with an electromagnet bracket through four connecting shafts, and the sun gear is connected with the planetary gear bracket and the electromagnet bracket through a middle sun gear supporting shaft; the electromagnet is connected with the electromagnet bracket; the electromagnet bracket is connected with the mounting plate; the mounting plate is connected with the motor reduction box; the outer gear sleeve is connected with the planet wheel support and the electromagnet support through two ultrathin bearings.
The invention relates to a bolt fastening device which comprises a power driving unit, a component connecting unit, a gear power transmission unit, an electromagnet suction unit and a bit sub-assembly.
The power driving unit consists of a direct current motor, a reduction box and an output gear.
The component connecting unit consists of a component mounting plate, an outer gear sleeve, a planet wheel support and an electromagnet support.
The gear power transmission unit consists of a power output gear, an inner gear sleeve, an outer gear sleeve, a planetary gear and a sun gear;
the electromagnet attraction unit consists of an electromagnet and neodymium iron boron.
The batch head sub-assembly consists of a batch head, a linear bearing, a batch head power output shaft, a planetary gear and neodymium iron boron.
The direct current motor is connected with the mounting plate, the power output gear is connected with the motor, and the outer gear sleeve is connected with the inner gear sleeve.
The bolt fastening device of the invention positions the bolt and fastens or loosens the bolt; the bolt fastening device adopts single power output, can simultaneously drive a single or a plurality of screwdriver heads to fasten or loosen the bolt, has low manufacturing cost, simple structure, convenient carrying and maintenance, convenient operation and improved working efficiency.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. A bolt fastening device comprising: the transmission mechanism is characterized in that the transmission assembly comprises a driving gear (3), and the driving gear (3) is arranged on the output shaft of the reduction gearbox; the driving gear (3) is meshed with the outer gear sleeve (4); the planetary wheel component is arranged in the outer gear sleeve (4).
2. The bolt-fastening device according to claim 1, wherein: the planet wheel component comprises an inner gear sleeve (5) arranged in the outer gear sleeve (4); the inner gear sleeve (5) is connected with the batch head component.
3. The bolt-fastening device according to claim 2, wherein: the batch head assembly comprises a batch head sleeve; the batch head sleeve comprises a front end sleeve (6) and a rear end sleeve (7); the front end sleeve (6) is provided with a bit sleeve outer gear sleeve (8); the external gear sleeve (8) of the bit sleeve is meshed with the internal gear sleeve (5); the inner surface of the bit sleeve outer gear sleeve (8) is provided with a bulge (9) along the circumferential direction; a limiting mounting hole (10) is formed in the center of the rear end sleeve (7); a bit power output shaft (11) is arranged in the limiting mounting hole (10); a linear bearing (12) is arranged in the middle of the bit power output shaft (11); the rear end of the rear end sleeve (7) is inserted into the linear bearing (12); the rear end of the bit power output shaft (11) is provided with a small planet wheel (14);
the rear end sleeve (7) penetrates through the planet wheel bracket (15);
a front end ultrathin bearing (18) is arranged on the outer side of the circumference of the planet wheel support (15);
the bit power output shaft (11) is provided with an electromagnetic clutch device;
a sun gear (24) is arranged on the central shaft (23);
a positioning hole (25) is formed in the center of the planet wheel support (15);
the front end of the central shaft (23) is arranged in the positioning hole (25);
the sun gear (24) is meshed with the small planet wheels (14).
4. The bolt-fastening device according to claim 3, wherein: the planet wheel bracket (15) is provided with a supporting seat (16); the supporting seat (16) is provided with a supporting hole (17); the rear end sleeve (7) penetrates through the supporting hole (17).
5. The bolt-fastening device according to claim 4, wherein: the electromagnetic clutch device is a disc-shaped neodymium iron boron magnet (19) arranged at the rear end part of the screwdriver head power output shaft (11); an electromagnet (20) is arranged at the rear part of the disc-shaped neodymium iron boron magnet (19); the electromagnet (20) is arranged on the electromagnet bracket (21); a rear end ultrathin bearing (22) is sleeved on the outer side of the electromagnet support (21); the center of the electromagnet bracket (21) is provided with a central shaft (23).
6. The bolt-fastening device according to claim 5, wherein: the electromagnet bracket (21) is a disc-shaped supporting frame.
7. The bolt-fastening device according to claim 6, wherein: four small planet wheels (14); the small planet wheels are uniformly distributed along the circumference; the planet wheel support (15) is connected with the electromagnet support (21) through a connecting shaft (26).
8. The bolt-fastening device according to claim 7, wherein: the outer circumferential surface of the rear ultrathin bearing (22) is arranged in the outer gear sleeve (4); the outer circumferential surface of the rear ultrathin bearing (22) is matched with the inner surface of the outer gear sleeve (4); the mounting plate supporting seat (27) is a circular ring bulge arranged on the front end surface of the mounting plate.
9. The bolt-fastening device according to claim 8, wherein: the rear end ultrathin bearing (22) is arranged in the mounting plate supporting seat (27); the mounting plate (13) is provided with a mounting plate mounting hole (28); the output shaft of the reduction box penetrates through the mounting plate mounting hole (28); the reduction gearbox (2) is arranged on the mounting plate (13).
10. A bolt-tightening apparatus control method according to any one of claims 1 to 9, characterized by comprising the control steps of:
the motor outputs power to the driving gear through the reduction gearbox, the driving gear transmits the power to the external gear sleeve, the external gear sleeve is connected with the internal gear sleeve, and the power is transmitted to the internal gear sleeve;
the electromagnet is controlled to attract and repel the opposite neodymium iron boron, so that the corresponding batch head is driven to move, the inner gear sleeve and the gear on the batch head are meshed or separated, and the rotation or stop of the batch head is controlled;
the sun gear in the inner gear sleeve plays a transition role and is meshed with the four small planetary gears to move, at most three pairs of electromagnets are controlled to open and close the neodymium iron boron at one time, and one small planetary gear positioned on the screwdriver head power output shaft is reserved to be meshed with the sun gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352281.6A CN111070148A (en) | 2019-12-25 | 2019-12-25 | Bolt fastening device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352281.6A CN111070148A (en) | 2019-12-25 | 2019-12-25 | Bolt fastening device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111070148A true CN111070148A (en) | 2020-04-28 |
Family
ID=70317713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911352281.6A Pending CN111070148A (en) | 2019-12-25 | 2019-12-25 | Bolt fastening device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111070148A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975815A (en) * | 2021-03-24 | 2021-06-18 | 国网安徽省电力有限公司电力科学研究院 | Electric ratchet wrench |
| CN114248101A (en) * | 2021-12-21 | 2022-03-29 | 长虹美菱股份有限公司 | Splicing type multi-screw installation and adjustment device |
-
2019
- 2019-12-25 CN CN201911352281.6A patent/CN111070148A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975815A (en) * | 2021-03-24 | 2021-06-18 | 国网安徽省电力有限公司电力科学研究院 | Electric ratchet wrench |
| CN112975815B (en) * | 2021-03-24 | 2023-08-18 | 国网安徽省电力有限公司电力科学研究院 | Electric ratchet wrench |
| CN114248101A (en) * | 2021-12-21 | 2022-03-29 | 长虹美菱股份有限公司 | Splicing type multi-screw installation and adjustment device |
| CN114248101B (en) * | 2021-12-21 | 2023-10-31 | 长虹美菱股份有限公司 | Spliced multi-screw installation and adjustment device |
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