CN113601444A - Impact fastener with adjustable double-end - Google Patents
Impact fastener with adjustable double-end Download PDFInfo
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- CN113601444A CN113601444A CN202110956184.9A CN202110956184A CN113601444A CN 113601444 A CN113601444 A CN 113601444A CN 202110956184 A CN202110956184 A CN 202110956184A CN 113601444 A CN113601444 A CN 113601444A
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- output shaft
- shaft
- adjusting
- fastening device
- double
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- 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
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
- B25B21/023—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket for imparting an axial impact, e.g. for self-tapping screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a double-head adjustable impact fastening device, which comprises a first output shaft and a second output shaft, wherein the first output shaft and the second output shaft are arranged in parallel at intervals, the first output shaft and the second output shaft are both connected with a central driving shaft, the central driving shaft drives the first output shaft and the second output shaft to synchronously rotate, one end of the first output shaft and one end of the second output shaft form the impact fastening device, an angle adjusting mechanism is arranged between the first output shaft and the central driving shaft, the angle adjusting mechanism is used for adjusting an included angle between centers of the first output shaft and the second output shaft and a central connecting line of the central driving shaft, the impact fastening device can adjust the distance between the first output shaft and the second output shaft according to the use condition, the installation of bolts in various arrangement modes can be effectively realized, the double-head impact fastening device is suitable for fastening and dismounting bolts used at small intervals, and the output torque of the bolts can be effectively ensured, the working efficiency is improved, and the applicability of the impact fastening device can be effectively increased.
Description
Technical Field
The invention relates to the technical field of impact fastening devices, in particular to a double-head adjustable impact fastening device.
Background
The impact fastening device is a novel handheld electric device for screwing and disassembling various types of threaded fasteners, has the significance of realizing efficient mechanization of small-sized manual assembly and manufacture, and is widely applied to various engineering projects or industries such as railway track installation and maintenance, building construction, cable installation and the like.
In actual production, high-strength bolt links have been widely used. The material of the high-strength bolt and the heat treatment process thereof are strictly controlled and checked. Therefore, the torsional shear fracture moment is generally controlled within a relatively accurate specified range, so that the reliability of the bolt connection is ensured. When the tightening torque is too large, if the strength of the threaded fastener is insufficient, the problems of part twist-off and the like of a connecting part can be caused; when the tightening torque is too small, the threaded fastener may become loose or even break away, resulting in a connection with no reliability. Therefore, when using a threaded fastener, it is usually required to lock the threaded fastener with a predetermined tightening torque to ensure the reliability of the connection. In addition, high-strength threaded fasteners are generally produced and used in batches, the working environment is harsh, and if a conventional wrench or a conventional single-head impact fastening device is used for fixed-torque tightening, inconvenience exists in the use process of tools, the working efficiency is low, and the application range is narrow.
Disclosure of Invention
The purpose of the invention is: the utility model provides an impact fastener with adjustable double-end, the bolt-up that is fit for the booth apart from using and dismantles the use, can effectively ensure the output moment of torsion to the bolt, improves work efficiency, increases impact fastener's suitability.
In order to achieve the purpose, the invention adopts the technical scheme that:
impact fastener with adjustable double-end, including first, second output shaft, first, second output shaft parallel interval arrangement, first, second output shaft all with central drive shaft connection, the synchronous rotation of first, second output shaft of center drive shaft drive, first, second output shaft one end constitutes and strikes fastener, be provided with angle adjustment mechanism between first, second output shaft and the central drive shaft, angle adjustment mechanism is used for adjusting the contained angle between the center of first, second output shaft and the central drive shaft line.
The invention also has the following features:
the shaft body of the first output shaft is provided with a first adjusting arm in a rotating mode, the shaft body of the second output shaft is provided with a second adjusting arm, the angle adjusting mechanism is arranged between the first adjusting arm and the second adjusting arm, and the angle adjusting mechanism is used for adjusting the overhanging ends of the first adjusting arm and the second adjusting arm to be close to or far away from each other.
The angle adjusting mechanism comprises a first adjusting nut arranged at the overhanging end of the first adjusting arm, a second adjusting nut is arranged at the overhanging end of the second adjusting arm, adjusting screw rods are arranged in the first adjusting nut and the second adjusting nut, and the rotating directions of the adjusting screw rods and nuts matched with the first adjusting nut and the second adjusting nut are opposite.
The rod bodies of the first output shaft and the second output shaft are provided with driven gears, the central driving shaft is provided with a driving gear, and the driven gears are meshed with the driving gear.
The middle section of the first adjusting arm is in rotating connection with the first output shaft, one end of the first adjusting arm is in rotating connection with the central driving shaft, the middle section of the second adjusting arm is in rotating connection with the second output shaft, and one end of the second adjusting arm is in rotating connection with the central driving shaft.
The central driving shaft is rotatably arranged on the motor shell, and one ends of the first output shaft and the second output shaft are in sliding fit with the motor shell.
The motor shell is provided with a first arc-shaped sliding hole, the circle center of the first arc-shaped sliding hole is concentric with the central driving shaft, one end of each of the first output shaft and the second output shaft is provided with a sliding bearing, and the sliding bearings are arranged in the first arc-shaped sliding holes in a sliding mode.
The shaft ends of the first output shaft and the second output shaft extend out of one side of the wrench rack, and the wrench rack is plate-shaped and fixed with one end of the motor shell.
The wrench is characterized in that a second arc-shaped sliding hole is formed in the wrench rack, the circle center of the second arc-shaped sliding hole is concentric with the central driving shaft, and supporting bearings are arranged on the shaft bodies of the first output shaft and the second output shaft and are arranged in the second arc-shaped sliding hole in a sliding mode.
The middle section position of accommodate the lead screw is provided with the regulation swing handle, be provided with the slide rail in the spanner frame, it is the disc and slidingtype setting at the slide rail to adjust the swing handle.
Compared with the prior art, the invention has the beneficial effects that: the double-head impact fastening device can simultaneously screw two bolts to ensure the balance of torque output, the central driving shaft drives the first output shaft and the second output shaft to synchronously rotate to drive the bolts, the first output shaft and the second output shaft are arranged in parallel at intervals, so that the axial size of the impact fastening device is reduced as much as possible, an included angle between the center of the first output shaft and the center connecting line of the central driving shaft is adjusted through the purpose of the angle adjusting mechanism, the distance between the first output shaft and the second output shaft can be adjusted according to the use condition, the installation of bolts in various arrangement modes can be effectively realized, the double-head impact fastening device is suitable for fastening and dismounting bolts used at small intervals, the output torque of the bolts can be effectively ensured, the working efficiency is improved, and the applicability of the impact fastening device can be effectively increased.
Drawings
FIGS. 1 and 2 are schematic views of two views of a double-ended adjustable impact fastener;
FIGS. 3 and 4 are schematic views of the dual-headed adjustable impact fastener shown in two views after the fastener has been removed from the handle and motor;
FIGS. 5 and 6 are schematic views of the dual-head adjustable impact fastener after it has been removed from the motor housing and the wrench housing;
fig. 7 is a schematic structural view of the motor housing.
Detailed Description
The double-ended adjustable impact fastening device of the present invention is further described with reference to fig. 1 to 7:
the double-head adjustable impact fastening device comprises a first output shaft 100 and a second output shaft 200, wherein the first output shaft 100 and the second output shaft 200 are arranged in parallel at intervals, the first output shaft 100 and the second output shaft 200 are both connected with a central driving shaft 300, the central driving shaft 300 drives the first output shaft 100 and the second output shaft 200 to synchronously rotate, one end of the first output shaft 100 and one end of the second output shaft 200 form the impact fastening device, an angle adjusting mechanism is arranged between the first output shaft 100 and the central driving shaft 300 and between the center of the first output shaft 100 and the center of the second output shaft 200 and the center of the central driving shaft 300, and the angle adjusting mechanism is used for adjusting an included angle between the center connecting lines of the centers of the first output shaft 100 and the second output shaft 200 and the center of the central driving shaft 300.
The double-end impact fastening device can simultaneously screw two bolts to ensure the balance of torque output, the central driving shaft 300 drives the first output shaft 100 and the second output shaft 200 to synchronously rotate, to perform driving of the bolt, the first and second output shafts 100, 200 are arranged in parallel with each other with a space therebetween, so that the axial dimension of the impact fastening device is made as small as possible, and the included angle between the center of the first and second output shafts 100 and 200 and the central connecting line of the central driving shaft 300 is adjusted through the purpose of the angle adjusting mechanism, the distance between the first output shaft 100 and the second output shaft 200 can be adjusted according to the use condition, the installation of bolts with various arrangement modes can be effectively realized, the double-end impact fastening device is suitable for fastening and disassembling bolts used at small intervals, can effectively ensure the output torque of the bolts, improves the working efficiency, and can effectively increase the applicability of the impact fastening device.
Taking a wire clamp in the power equipment as an example, when the wire clamp wiring operation in the power equipment is implemented, the included angle between the center of the first output shaft 100 and the center of the second output shaft 200 and the center connecting line of the center driving shaft 300 is adjusted according to the distance between the double bolts on the wire clamp, so that one end of the first output shaft 100 and one end of the second output shaft 200 form an impact fastening device to be combined with the double bolts on the wire clamp, and the impact fastening device is started, so that the double bolts on the wire clamp can be synchronously screwed.
As a preferable embodiment of the present invention, the first output shaft 100 is provided with a first adjusting arm 110 on the shaft body in a rotating manner, the second output shaft 200 is provided with a second adjusting arm 210 on the shaft body, the angle adjusting mechanism is arranged between the first adjusting arm 110 and the second adjusting arm 210, and the angle adjusting mechanism is used for adjusting the overhanging ends of the first adjusting arm 110 and the second adjusting arm 210 to approach or separate from each other.
When the angle between the first output shaft 100 and the second output shaft 200 is adjusted, the first adjusting arm 110 is rotatably arranged on the shaft body of the first output shaft 100, the second adjusting arm 210 is arranged on the shaft body of the second output shaft 200, and the angle between the center connecting lines of the first output shaft 100 and the second output shaft 200 and the center driving shaft 300 is adjusted by adjusting the distance between the overhanging ends of the first adjusting arm 110 and the second adjusting arm 210, so that the purpose of adjusting the angle between the first adjusting arm 110 and the second adjusting arm 210 is achieved.
Preferably, the angle adjusting mechanism includes a first adjusting nut 120 disposed at the overhanging end of the first adjusting arm 110, a second adjusting nut 220 is disposed at the overhanging end of the second adjusting arm 210, adjusting screws 410 are disposed in the first adjusting nut 120 and the second adjusting nut 220, and the screwing directions of the adjusting screws 410 and nuts matched with the first adjusting nut 120 and the second adjusting nut 220 are opposite.
When the distance between the overhanging ends of the first adjusting arm 110 and the second adjusting arm 210 is adjusted, the adjusting screw 410 is rotated to enable the first adjusting nut 120 and the second adjusting nut 220 to synchronously approach or depart from each other in an opposite direction or in an opposite direction, so that the included angle between the first output shaft 100 and the second output shaft 200 is adjusted, and the distance between the two ends of the impact fastening device is adjusted to adapt to the screwing operation of bolts under different conditions.
More preferably, when the first and second output shafts 100 and 200 are connected to the center drive shaft 300, the shafts of the first and second output shafts 100 and 200 are provided with driven gears 500, the center drive shaft 300 is provided with a drive gear 310, and the driven gears 500 are engaged with the drive gear 310.
When the first and second output shafts 100 and 200 are driven, the center drive shaft 300 rotates, and the drive gear 310 rotates the first and second output shafts 100 and 200, thereby rotating the double impact heads.
Further, the middle section of the first adjusting arm 110 forms a rotational connection with the first output shaft 100, one end of the first adjusting arm 110 forms a rotational connection with the central driving shaft 300, the middle section of the second adjusting arm 210 forms a rotational connection with the second output shaft 200, and one end of the second adjusting arm 210 forms a rotational connection with the central driving shaft 300.
When the first adjusting arm 110 and the second adjusting arm 210 are connected, the middle section of the first adjusting arm 110 is rotatably connected to the first output shaft 100, the middle section of the second adjusting arm 210 is rotatably connected to the second output shaft 200, and one end of the second adjusting arm 210 is rotatably connected to the central driving shaft 300, so that the structure is stable, and the impact fastening device can effectively bear external impact force.
More specifically, in the case where the central driving shaft 300 is rotatably provided to the motor housing 600 for implementing the impact fastening device, one ends of the first and second output shafts 100 and 200 are slidably engaged with the motor housing 600.
When the adjustment and guidance of one ends of the first and second output shafts 100, 200 are implemented, the motor housing 600 is provided with a first arc-shaped sliding hole 610, a circle center of the first arc-shaped sliding hole 610 is concentric with the central driving shaft 300, one ends of the first and second output shafts 100, 200 are both provided with sliding bearings 420, and the sliding bearings 420 are slidably arranged in the first arc-shaped sliding hole 610.
More specifically, when the other ends of the first and second output shafts 100 and 200 are rotatably supported, the shaft ends of the first and second output shafts 100 and 200 extend out of one side of the wrench housing 700, and the wrench housing 700 is plate-shaped and fixed to one end of the motor housing 600.
Further, a second arc-shaped sliding hole 710 is formed in the wrench frame 700, a circle center of the second arc-shaped sliding hole 710 is concentric with the central driving shaft 300, the shaft bodies of the first and second output shafts 100 and 200 are provided with a support bearing 430, and the support bearing 430 is slidably disposed in the second arc-shaped sliding hole 710.
When the distance between the first output shaft 100 and the second output shaft 200 of the double-impact fastening device is adjusted, an adjusting rotary handle 440 is arranged at the middle section of the adjusting screw rod 410, a sliding rail 720 is arranged on the wrench frame 700, and the adjusting rotary handle 440 is in a circular plate shape and is arranged on the sliding rail 720 in a sliding manner.
The adjustment knob 440 is rotated to rotate the adjustment screw 410, so that the first and second output shafts 100 and 200 approach or separate from each other around the central driving shaft 300, thereby achieving fine adjustment of the distance between the first and second output shafts 100 and 200 to adapt to the installation operation of bolts under different conditions.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an impact fastener with adjustable double-end which characterized in that: the impact fastening device comprises a first output shaft (100) and a second output shaft (200), wherein the first output shaft (100) and the second output shaft (200) are arranged in parallel at intervals, the first output shaft (100) and the second output shaft (200) are both connected with a central driving shaft (300), the central driving shaft (300) drives the first output shaft (100) and the second output shaft (200) to synchronously rotate, one end of the first output shaft (100) and one end of the second output shaft (200) form an impact fastening device, an angle adjusting mechanism is arranged between the first output shaft (100) and the central driving shaft (300) and between the center of the first output shaft (100) and the center of the second output shaft (200) and a center connecting line of the central driving shaft (300), and the angle adjusting mechanism is used for adjusting an included angle between centers of the first output shaft (100) and the second output shaft (200) and the center connecting line of the central driving shaft (300).
2. The double-ended adjustable impact fastening device according to claim 1, characterized in that: the rotating type is provided with first regulating arm (110) on the shaft body of first output shaft (100), be provided with second regulating arm (210) on the shaft body of second output shaft (200), angle adjustment mechanism sets up between first regulating arm (110) and second regulating arm (210), angle adjustment mechanism is used for adjusting the overhang end of first regulating arm (110) and second regulating arm (210) and is close to or keeps away from.
3. The double-ended adjustable impact fastening device according to claim 2, characterized in that: the angle adjusting mechanism comprises a first adjusting nut (120) arranged at the overhanging end of a first adjusting arm (110), a second adjusting nut (220) is arranged at the overhanging end of a second adjusting arm (210), adjusting screws (410) are arranged in the first adjusting nut (120) and the second adjusting nut (220), and the rotating directions of the adjusting screws (410) are opposite to those of nuts matched with the first adjusting nut (120) and the second adjusting nut (220).
4. The double-ended adjustable impact fastening device according to claim 3, characterized in that: the rod bodies of the first output shaft (100) and the second output shaft (200) are respectively provided with a driven gear (500), the central driving shaft (300) is provided with a driving gear (310), and the driven gears (500) are respectively meshed with the driving gear (310).
5. The double-ended adjustable impact fastening device according to claim 4, characterized in that: the middle section of the first adjusting arm (110) is in rotating connection with the first output shaft (100), one end of the first adjusting arm (110) is in rotating connection with the central driving shaft (300), the middle section of the second adjusting arm (210) is in rotating connection with the second output shaft (200), and one end of the second adjusting arm (210) is in rotating connection with the central driving shaft (300).
6. The double-ended adjustable impact fastening device according to claim 5, characterized in that: the central driving shaft (300) is rotatably arranged on the motor shell (600), and one ends of the first output shaft and the second output shaft (100 and 200) are in sliding fit with the motor shell (600).
7. The double-ended adjustable impact fastening device according to claim 6, characterized in that: the motor shell (600) is provided with a first arc-shaped sliding hole (610), the circle center of the first arc-shaped sliding hole (610) is concentric with the central driving shaft (300), one ends of the first output shaft (100) and the second output shaft (200) are provided with sliding bearings (420), and the sliding bearings (420) are arranged in the first arc-shaped sliding hole (610) in a sliding mode.
8. The double-ended adjustable impact fastening device according to claim 7, characterized in that: the shaft ends of the first output shaft (100) and the second output shaft (200) extend out of one side of the wrench rack (700), and the wrench rack (700) is plate-shaped and fixed with one end of the motor shell (600).
9. The double-ended adjustable impact fastening device according to claim 8, characterized in that: the wrench rack (700) is provided with a second arc-shaped sliding hole (710), the circle center of the second arc-shaped sliding hole (710) is concentric with the central driving shaft (300), the shaft bodies of the first output shaft (100) and the second output shaft (200) are provided with supporting bearings (430), and the supporting bearings (430) are arranged in the second arc-shaped sliding hole (710) in a sliding mode.
10. The double-ended adjustable impact fastening device according to claim 9, characterized in that: the middle section position of accommodate the lead screw (410) is provided with adjusts swing handle (440), be provided with slide rail (720) on spanner frame (700), adjust swing handle (440) and be the disc and slidingtype setting on slide rail (720).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110956184.9A CN113601444A (en) | 2021-08-19 | 2021-08-19 | Impact fastener with adjustable double-end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110956184.9A CN113601444A (en) | 2021-08-19 | 2021-08-19 | Impact fastener with adjustable double-end |
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CN113601444A true CN113601444A (en) | 2021-11-05 |
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CN202110956184.9A Pending CN113601444A (en) | 2021-08-19 | 2021-08-19 | Impact fastener with adjustable double-end |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US6543314B1 (en) * | 2001-12-12 | 2003-04-08 | Padahoyt Tools | Torque wrench assembly |
CN203680164U (en) * | 2013-11-09 | 2014-07-02 | 蓬莱奥斯勃机械有限公司 | Double-head impact-type sleeper bolt spanner |
US8826777B1 (en) * | 2012-04-03 | 2014-09-09 | The Boeing Company | Fastening tools for connectors and methods of fastening connectors |
CN204771484U (en) * | 2015-06-16 | 2015-11-18 | 重庆长安汽车股份有限公司 | Bolt tightening device of adjustable interval |
CN205128994U (en) * | 2015-11-24 | 2016-04-06 | 沈阳远大科技园有限公司 | Hand -held type double -end perforator |
CN110932180A (en) * | 2019-11-27 | 2020-03-27 | 国网山东省电力公司经济技术研究院 | Auxiliary installation device for cable clamp |
CN112792918A (en) * | 2020-12-28 | 2021-05-14 | 南京信息职业技术学院 | Adjustable two hole device that bore of interval |
CN113183682A (en) * | 2021-06-17 | 2021-07-30 | 聊城大学 | Axle center distance adjustable auto wheel loading and unloading mechanism and device |
-
2021
- 2021-08-19 CN CN202110956184.9A patent/CN113601444A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6543314B1 (en) * | 2001-12-12 | 2003-04-08 | Padahoyt Tools | Torque wrench assembly |
US8826777B1 (en) * | 2012-04-03 | 2014-09-09 | The Boeing Company | Fastening tools for connectors and methods of fastening connectors |
CN203680164U (en) * | 2013-11-09 | 2014-07-02 | 蓬莱奥斯勃机械有限公司 | Double-head impact-type sleeper bolt spanner |
CN204771484U (en) * | 2015-06-16 | 2015-11-18 | 重庆长安汽车股份有限公司 | Bolt tightening device of adjustable interval |
CN205128994U (en) * | 2015-11-24 | 2016-04-06 | 沈阳远大科技园有限公司 | Hand -held type double -end perforator |
CN110932180A (en) * | 2019-11-27 | 2020-03-27 | 国网山东省电力公司经济技术研究院 | Auxiliary installation device for cable clamp |
CN112792918A (en) * | 2020-12-28 | 2021-05-14 | 南京信息职业技术学院 | Adjustable two hole device that bore of interval |
CN113183682A (en) * | 2021-06-17 | 2021-07-30 | 聊城大学 | Axle center distance adjustable auto wheel loading and unloading mechanism and device |
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Application publication date: 20211105 |