CN113183090B - Bolt assembling and disassembling device - Google Patents
Bolt assembling and disassembling device Download PDFInfo
- Publication number
- CN113183090B CN113183090B CN202110518109.4A CN202110518109A CN113183090B CN 113183090 B CN113183090 B CN 113183090B CN 202110518109 A CN202110518109 A CN 202110518109A CN 113183090 B CN113183090 B CN 113183090B
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- gear
- bolt
- assembling
- disassembling
- assembly
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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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
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Abstract
The invention relates to the technical field of bolt assembling and disassembling tools and discloses a bolt assembling and disassembling device. The bolt assembling and disassembling device comprises an assembling and disassembling head, an operating handle, an input rod, an amplification assembly, an acceleration assembly, a total output gear and a reversing gear, wherein one end of the assembling and disassembling head is detachably connected with a nut of a bolt, and the other end of the assembling and disassembling head is provided with the assembling and disassembling gear; the input rod can move relative to the operating handle to drive the assembling and disassembling head to rotate the assembling and disassembling bolt; the amplifying assembly and the accelerating assembly are arranged between the input rod and the assembling and disassembling gear, and the input rod can be selectively meshed with the amplifying assembly or the accelerating assembly to amplify the torque assembling and disassembling bolt or accelerate the assembling and disassembling bolt; the amplifying output gear of the amplifying assembly and the accelerating output gear of the accelerating assembly are both meshed with the total output gear, the assembling and disassembling gear is provided with an inner gear ring and a planetary gear ring, and the total output gear can be directly meshed with the inner gear ring or meshed with the planetary gear ring through a reversing gear so as to install or disassemble the bolt. The invention is suitable for different bolt assembling and disassembling occasions, and has high efficiency and convenient operation.
Description
Technical Field
The invention relates to the technical field of bolt disassembling tools, in particular to a bolt assembling and disassembling device.
Background
The threaded connection is a detachable fixed connection which is widely used, and has the advantages of simple structure, reliable connection, convenient assembly and disassembly and the like. Bolts are common components for achieving threaded connections.
In the prior art, a wrench is generally used for assembling and disassembling the bolt. The torque required by different loading and unloading processes is different, and when large torque is required, operators need to be more strenuous; the problems of low efficiency, inconvenient operation and the like exist in the bolt assembling and disassembling process through the wrench.
Therefore, a bolt assembling and disassembling device is needed to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide a bolt assembling and disassembling device which is suitable for different bolt assembling and disassembling occasions, and has high efficiency and convenient operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bolt handling apparatus comprising:
one end of the assembling and disassembling head is detachably connected with a nut of the bolt, and the other end of the assembling and disassembling head is provided with an assembling and disassembling gear;
the input rod can move relative to the operating handle so as to drive the assembling and disassembling head to rotationally assemble and disassemble the bolt;
the input rod can be selectively meshed with the amplifying assembly or the accelerating assembly so as to amplify the torque to load and unload the bolt or accelerate to load and unload the bolt;
the assembly and disassembly gear is provided with an inner gear ring and a planetary gear ring, and the total output gear can be directly meshed with the inner gear ring or meshed with the planetary gear ring through the reversing gear so as to install or disassemble the bolt.
As a preferred scheme of the bolt assembling and disassembling device, the bolt assembling and disassembling device further comprises a shell connected with the operating handle, an upper cover buckled on the shell and a framework arranged between the shell and the upper cover, the amplification assembly and the acceleration assembly are arranged in the shell, and the amplification output gear, the acceleration output gear, the total output gear and the reversing gear are all rotationally connected with the framework and are convexly arranged on the shell.
As a preferable aspect of the bolt handling apparatus, the amplification output gear and the acceleration output gear are rotatably provided on the frame by a ratchet structure configured such that the amplification output gear and the acceleration output gear can be engaged with the total output gear only in a certain direction.
Preferably, the input lever is provided with a ratchet arrangement configured to engage the amplification assembly or the acceleration assembly only when the input lever is moved in one direction.
As a preferable mode of the bolt assembling and disassembling device, the input rod can move or rotate relative to the operating handle, and a reset piece is arranged between the input rod and the operating handle.
As a preferable mode of the bolt handling apparatus, the amplifying assembly includes an amplifying input gear and an amplifying intermediate wheel set engaged with the amplifying input gear, the input rod is selectively engageable with the amplifying input gear, the amplifying intermediate wheel set is engaged with the amplifying output gear, and a torque of the amplifying output gear is larger than a torque of the amplifying input gear.
As a preferable scheme of the bolt assembling and disassembling device, the amplifying intermediate wheel set comprises a first gear, a second gear and a third gear which are meshed in sequence, the first gear is meshed with the amplifying input gear, and the third gear is meshed with the amplifying output gear.
As a preferable mode of the bolt handling apparatus, the acceleration assembly includes an acceleration input gear and an acceleration intermediate gear set engaged with the acceleration input gear, the input lever is selectively engageable with the acceleration input gear, the acceleration intermediate gear set is engaged with the acceleration output gear, and the rotation speed of the acceleration output gear is greater than that of the acceleration input gear.
As a preferable mode of the bolt handling device, the accelerating intermediate wheel set includes a fourth gear and a fifth gear which are coaxially arranged, the fourth gear is meshed with the amplifying input gear, and the fifth gear is meshed with the amplifying output gear.
As a preferable aspect of the bolt attaching and detaching device, the attaching and detaching head includes:
the disc spring is abutted against the side surface of the assembling and disassembling gear through the torque control knob;
the telescopic connector is detachably arranged on the torque control knob, and the telescopic connector is detachably connected with the screw cap.
The beneficial effects of the invention are as follows:
the assembling and disassembling head is detachably connected with a nut of the bolt and drives the assembling and disassembling head to rotate to assemble and disassemble the bolt by operating the input rod; when the input rod is engaged with the amplification assembly, the amplification assembly can amplify the input torque so that the bolt assembling and disassembling device can be used in the bolt assembling and disassembling occasions requiring larger torque; through setting up the loading and unloading gear, change the direction of rotation of loading and unloading head for bolt dismounting device can be used for the installation of bolt, also can be used for the dismantlement of bolt. The bolt assembling and disassembling device can be suitable for different bolt assembling and disassembling occasions, and is high in efficiency and convenient to operate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is an exploded view of a bolt handling apparatus according to an embodiment of the present invention;
fig. 2 is a partially exploded view of a bolt handling apparatus according to an embodiment of the present invention.
In the figure:
1. assembling and disassembling the head; 11. assembling and disassembling the gear; 12. a disc spring; 13. a torque control knob; 14. a sleeve connector;
21. an operating handle; 22. an input lever; 23. a housing; 24. an upper cover; 25. a framework;
3. an amplification assembly; 31. amplifying the input gear; 32. an amplifying output gear; 33. a first gear; 34. a second gear; 35. a third gear;
4. an acceleration assembly; 41. an acceleration input gear; 42. an acceleration output gear; 43. a fourth gear; 44. a fifth gear;
51. a total output gear; 52. a reversing gear.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the present embodiment provides a bolt assembling and disassembling device, which comprises an assembling and disassembling head 1, an operating handle 21, an input rod 22, an amplifying assembly 3, an accelerating assembly 4, a total output gear 51 and a reversing gear 52, wherein one end of the assembling and disassembling head 1 is detachably connected with a nut of a bolt, and the other end is provided with an assembling and disassembling gear 11; the input rod 22 can move relative to the operating handle 21 to drive the assembling and disassembling head 1 to rotate the assembling and disassembling bolt; the amplifying assembly 3 and the accelerating assembly 4 are arranged between the input rod 22 and the loading and unloading gear 11, and the input rod 22 can be selectively meshed with the amplifying assembly 3 or the accelerating assembly 4 to amplify the torque loading and unloading bolt or accelerate the loading and unloading bolt; the amplification output gear 32 of the amplification assembly 3 and the acceleration output gear 42 of the acceleration assembly 4 are both meshed with a main output gear 51, the loading and unloading gear 11 is provided with an inner gear ring and a planetary gear ring, and the main output gear 51 can be directly meshed with the inner gear ring or meshed with the planetary gear ring through a reversing gear 52 so as to be installed or disassembled on or from bolts.
The assembling and disassembling head 1 is used for being detachably connected with a nut of a bolt, and the assembling and disassembling head 1 is driven to rotate to assemble and disassemble the bolt by operating the input rod 22; when the input rod 22 is engaged with the amplifying assembly 3, the amplifying assembly 3 can amplify the input torque so that the bolt assembling and disassembling device can be used in the bolt assembling and disassembling occasions needing larger torque, and when the input rod 22 is engaged with the accelerating assembly 4, the accelerating assembly 4 can accelerate the rotating speed of the assembling and disassembling head 1 so that the bolt assembling and disassembling device can be used in the occasions needing to assemble and disassemble the bolt quickly; through setting up loading and unloading gear 11, change the direction of rotation of dismantling the head for bolt dismounting device can be used for the installation of bolt, also can be used for the dismantlement of bolt. The bolt assembling and disassembling device can be suitable for different bolt assembling and disassembling occasions, and is high in efficiency and convenient to operate.
Specifically, the bolt assembling and disassembling device further comprises a shell 23 connected with the operating handle 21, an upper cover 24 buckled on the shell 23, and a framework 25 arranged between the shell 23 and the upper cover 24, wherein the shell 23 and the upper cover 24 are used for accommodating the amplifying assembly 3 and the accelerating assembly 4, and the amplifying output gear 32, the accelerating output gear 42, the total output gear 51 and the reversing gear 52 are rotatably connected with the framework 25 and are convexly arranged on the shell 23 for being meshed with the assembling and disassembling gear 11 or the reversing gear 52.
Alternatively, the reversing gear 52 may be slidably disposed on the frame 25, and sliding the reversing gear 52 may enable the total output gear 51 to engage the inner ring gear directly or with the planet ring gear via the reversing gear 52, it being understood that the rotation of the mount/demount head 1 is reversed when the total output gear 51 is engaged with the inner ring gear directly or with the planet ring gear via the reversing gear 52.
In this embodiment, to reduce the number of repetitions of connecting the removal head to the bolt during nut removal, the input rod 22 is provided with a ratchet structure configured to engage the amplification assembly 3 or the acceleration assembly 4 only when the input rod 22 is moved in one direction. Further, the input lever 22 is movable or rotatable relative to the operation handle 21, and a reset member is provided between the input lever 22 and the operation handle 21. The dismounting can be completed without disconnecting the dismounting head from the bolt in the process of dismounting the bolt. The ratchet structure is prior art, and the detailed structure is not described herein.
Illustratively, to accommodate operating habits when the input lever 22 is moved relative to the handle, when the operator pulls the input lever 22, the input lever 22 can engage with the amplification assembly 3 or the acceleration assembly 4 to load and unload the bolt, and when the operator releases the input lever 22, the reset member acts to reset the input lever 22 in the opposite direction to the direction in which the operator pulls the input lever 22, facilitating the next pulling. Wherein the return member may be a spring. Similarly, when the input rod 22 rotates relative to the handle, the ratchet structure can engage with the amplifying assembly 3 or the accelerating assembly 4 when the operator holds the input rod 22, and the reset member can reset the input rod 22 in the opposite direction, and the reset member can be a torsion spring.
Specifically, the amplifying assembly 3 includes an amplifying input gear 31 and an amplifying intermediate gear set engaged with the amplifying input gear 31, the input rod 22 can be selectively engaged with the amplifying input gear 31, the amplifying intermediate gear set is engaged with the amplifying output gear 32, and the torque of the amplifying output gear 32 is greater than the torque of the amplifying input gear 31.
In the present embodiment, the amplifying intermediate wheel set includes a first gear 33, a second gear 34 and a third gear 35 which are engaged in sequence, the first gear 33 is engaged with the amplifying input gear 31, and the third gear 35 is engaged with the amplifying output gear 32. The first gear 33, the second gear 34 and the third gear 35 can be arranged by those skilled in the art according to the magnification factor required for the torque, as long as the torque of the amplification output gear 32 is larger than the torque of the amplification input gear 31.
Further, the acceleration assembly 4 includes an acceleration input gear 41 and an acceleration intermediate gear set engaged with the acceleration input gear 41, the input lever 22 can be selectively engaged with the acceleration input gear 41, the acceleration intermediate gear set is engaged with the acceleration output gear 42, and the rotation speed of the acceleration output gear 42 is greater than that of the acceleration input gear 41.
In the present embodiment, the acceleration intermediate wheel set includes a fourth gear 43 and a fifth gear 44 which are coaxially disposed, the fourth gear 43 is engaged with the amplification input gear 31, and the fifth gear 44 is engaged with the amplification output gear 32. Those skilled in the art can set the fourth gear 43 and the fifth gear 44 according to the required rotation speed ratio as long as the rotation speed of the accelerator output gear 42 is greater than that of the accelerator input gear 41.
Further, to avoid back drag of the total output gear 51 on the accelerating intermediate wheel set when the amplifying assembly 3 is used, and back drag of the total output gear 51 on the amplifying intermediate wheel set when the accelerating assembly 4 is used. The amplification output gear 32 and the acceleration output gear 42 are rotatably provided on the frame 25 by a ratchet structure configured such that the amplification output gear 32 and the acceleration output gear 42 can be engaged with the total output gear 51 only in a certain direction. Illustratively, when the amplifying assembly 3 is used, the amplifying output gear 32 is meshed with the total output gear 51, and since the total output gear 51 is also meshed with the accelerating output gear 42, and the accelerating output gear 42 is provided with a ratchet structure, the accelerating output gear 42 does not rotate with the total output gear 51.
In this embodiment, the mounting/dismounting head 1 comprises a disc spring 12 and a sleeve joint 14, wherein the disc spring 12 is abutted against the side surface of the mounting/dismounting gear 11 through a torque control knob 13; the sleeve connector 14 is detachably arranged on the torque control knob 13, and the sleeve connector 14 is detachably connected with the screw cap. The disc spring 12 is arranged to facilitate the adjustment of the torque of the mount/demount head 1 so as to avoid the damage to the bolt caused by the excessive torque. The sleeve connector 14 is detachably connected with the torque control knob 13, so that different forms such as a socket connector of an inner hexagon bolt or a socket connector of a common bolt can be replaced more conveniently, different sizes can be replaced, and the universality of the bolt assembling and disassembling device is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Claims (4)
1. A bolt handling device, comprising:
one end of the assembling and disassembling head (1) is detachably connected with a nut of the bolt, and the other end of the assembling and disassembling head is provided with an assembling and disassembling gear (11);
the handling head (1) comprises:
a disc spring (12) which is abutted against the side surface of the assembling and disassembling gear (11) through a torque control knob (13);
the sleeve connector (14) is detachably arranged on the torque control knob (13), and the sleeve connector (14) is detachably connected with the screw cap;
the bolt assembling and disassembling device comprises an operating handle (21) and an input rod (22), wherein the input rod (22) can move relative to the operating handle (21) to drive the assembling and disassembling head (1) to rotatably assemble and disassemble the bolt;
the amplifying assembly (3) and the accelerating assembly (4) are arranged between the input rod (22) and the assembling and disassembling gear (11), and the input rod (22) can be selectively meshed with the amplifying assembly (3) or the accelerating assembly (4) so as to amplify torque to assemble and disassemble the bolt or accelerate to assemble and disassemble the bolt;
a main output gear (51) and a reversing gear (52), wherein the amplification output gear (32) of the amplification assembly (3) and the acceleration output gear (42) of the acceleration assembly (4) are both meshed with the main output gear (51), the loading and unloading gear (11) is provided with an inner gear ring and a planetary gear ring, and the main output gear (51) can be directly meshed with the inner gear ring or meshed with the planetary gear ring through the reversing gear (52) so as to be mounted or dismounted on the bolt;
the electric power steering device is characterized by further comprising a shell (23) connected with the operating handle (21), an upper cover (24) buckled on the shell (23) and a framework (25) arranged between the shell (23) and the upper cover (24), wherein the amplification assembly (3) and the acceleration assembly (4) are arranged in the shell (23), and the amplification output gear (32), the acceleration output gear (42), the total output gear (51) and the reversing gear (52) are rotationally connected with the framework (25) and are convexly arranged on the shell (23);
the amplification output gear (32) and the acceleration output gear (42) are rotatably arranged on the framework (25) through a ratchet structure, and the ratchet structure is configured that the amplification output gear (32) and the acceleration output gear (42) can only be meshed with the total output gear (51) along a certain direction;
the input rod (22) is provided with a ratchet structure which is configured to be capable of engaging with the amplification assembly (3) or the acceleration assembly (4) only when the input rod (22) moves in a certain direction;
the amplifying assembly (3) comprises an amplifying input gear (31) and an amplifying intermediate wheel set engaged with the amplifying input gear (31), the input rod (22) can be selectively engaged with the amplifying input gear (31), the amplifying intermediate wheel set is engaged with the amplifying output gear (32), and the torque of the amplifying output gear (32) is larger than that of the amplifying input gear (31);
the acceleration assembly (4) comprises an acceleration input gear (41) and an acceleration intermediate wheel set engaged with the acceleration input gear (41), the input rod (22) can be selectively engaged with the acceleration input gear (41), the acceleration intermediate wheel set is engaged with the acceleration output gear (42), and the rotation speed of the acceleration output gear (42) is greater than that of the acceleration input gear (41).
2. Bolt handling device according to claim 1, characterized in that the input lever (22) is movable or rotatable relative to the operating handle (21), a reset being arranged between the input lever (22) and the operating handle (21).
3. Bolt handling device according to claim 1, characterised in that the enlarged intermediate wheel set comprises a first gear wheel (33), a second gear wheel (34) and a third gear wheel (35) meshing in sequence, the first gear wheel (33) meshing with the enlarged input gear wheel (31) and the third gear wheel (35) meshing with the enlarged output gear wheel (32).
4. Bolt handling device according to claim 1, characterised in that the accelerating intermediate wheel set comprises a fourth gear wheel (43) and a fifth gear wheel (44) arranged coaxially, the fourth gear wheel (43) meshing with the amplifying input gear wheel (31), the fifth gear wheel (44) meshing with the amplifying output gear wheel (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518109.4A CN113183090B (en) | 2021-05-12 | 2021-05-12 | Bolt assembling and disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110518109.4A CN113183090B (en) | 2021-05-12 | 2021-05-12 | Bolt assembling and disassembling device |
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| Publication Number | Publication Date |
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| CN113183090A CN113183090A (en) | 2021-07-30 |
| CN113183090B true CN113183090B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110518109.4A Active CN113183090B (en) | 2021-05-12 | 2021-05-12 | Bolt assembling and disassembling device |
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| CN (1) | CN113183090B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2696773Y (en) * | 2004-04-16 | 2005-05-04 | 金龙鹤 | Force boosted mechanical spanner |
| CN101315770A (en) * | 2008-05-27 | 2008-12-03 | 北京承芯卓越科技有限公司 | System on speech recognition piece and voice recognition method using the same |
| WO2017062651A1 (en) * | 2015-10-07 | 2017-04-13 | Eca Medical Instruments | Gearless spring washer high torque device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201744955U (en) * | 2010-05-24 | 2011-02-16 | 宁波工程学院 | Novel high-efficiency wrench |
| US9197146B2 (en) * | 2012-07-26 | 2015-11-24 | Milwaukee Electric Tool Corporation | Brushless direct-current motor and control for power tool |
| CN202862121U (en) * | 2012-10-29 | 2013-04-10 | 陕西科技大学 | Variable-speed mounting and dismounting device |
| CN203245777U (en) * | 2013-04-03 | 2013-10-23 | 杭州巨星工具有限公司 | Wrench |
| CN205572270U (en) * | 2016-02-23 | 2016-09-14 | 陈淑汝 | Quick ratchet spanner improvement structure |
| CN206588863U (en) * | 2017-02-22 | 2017-10-27 | 南京航空航天大学 | A kind of self-boosting type Two-way spanner |
| CN207387540U (en) * | 2017-10-31 | 2018-05-22 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of reversing torque multiplier |
| CN207814410U (en) * | 2017-12-05 | 2018-09-04 | 衡阳市锦泰工具有限公司 | The transmission system of folk art term position horse riding machine |
| CN211416843U (en) * | 2020-01-07 | 2020-09-04 | 南京机电职业技术学院 | Portable vehicle-mounted tire replacing device |
| CN212192924U (en) * | 2020-05-08 | 2020-12-22 | 朱碧霞 | Gear box high-speed shaft replacing tool |
-
2021
- 2021-05-12 CN CN202110518109.4A patent/CN113183090B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2696773Y (en) * | 2004-04-16 | 2005-05-04 | 金龙鹤 | Force boosted mechanical spanner |
| CN101315770A (en) * | 2008-05-27 | 2008-12-03 | 北京承芯卓越科技有限公司 | System on speech recognition piece and voice recognition method using the same |
| WO2017062651A1 (en) * | 2015-10-07 | 2017-04-13 | Eca Medical Instruments | Gearless spring washer high torque device |
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| CN113183090A (en) | 2021-07-30 |
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