CN110802539B - Auxiliary device for mounting electromechanical equipment - Google Patents

Auxiliary device for mounting electromechanical equipment Download PDF

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Publication number
CN110802539B
CN110802539B CN201911100822.6A CN201911100822A CN110802539B CN 110802539 B CN110802539 B CN 110802539B CN 201911100822 A CN201911100822 A CN 201911100822A CN 110802539 B CN110802539 B CN 110802539B
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CN
China
Prior art keywords
connecting rod
motor
transverse
gear
channel
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Expired - Fee Related
Application number
CN201911100822.6A
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Chinese (zh)
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CN110802539A (en
Inventor
孟宝星
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Xuzhou College of Industrial Technology
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Xuzhou College of Industrial Technology
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Priority to CN201911100822.6A priority Critical patent/CN110802539B/en
Publication of CN110802539A publication Critical patent/CN110802539A/en
Application granted granted Critical
Publication of CN110802539B publication Critical patent/CN110802539B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14Hand 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The invention discloses an auxiliary device for mounting electromechanical equipment, wherein the lower end of a connecting rod is provided with a handle, the upper end of the connecting rod is provided with a branch connecting rod, a channel is arranged in the branch connecting rod, a permanent magnet which can slide left and right and can rotate simultaneously is connected in the channel in a sliding manner, the permanent magnet is fixedly connected with the left end of a gear shaft, the gear shaft penetrates through a through hole at the right end of the channel, and the right end of the gear shaft is connected with a screwdriver head; the gear shaft is meshed with the gear, the gear is connected with the rotating shaft, and the rotating shaft is connected with the output shaft of the motor; the left end of the channel is fixedly provided with an electromagnet opposite to the permanent magnet, the electromagnet is electrically connected with the power supply module, and when a power supply switch of the electromagnet is switched on, the electromagnet generates magnetic force for pushing the permanent magnet to the right; the motor is electrically connected with the power supply module and is also in signal connection with the motor controller, and the motor controller comprises a clockwise rotation switch for clockwise rotation of the motor and a reverse rotation switch for reverse rotation of the motor. The invention can effectively fasten the screw component on the side surface of the narrow space when the electromechanical device is installed.

Description

Auxiliary device for mounting electromechanical equipment
Technical Field
The invention relates to the field of mechanical equipment, in particular to an auxiliary device for mounting electromechanical equipment.
Background
Electromechanical equipment is often complicated, and the parts that relate to are numerous, need all kinds of professional tools to carry out accurate equipment or installation to it to make its purpose that reaches reliable work. Because the mounting and combining of electromechanical equipment are complex, connecting pieces such as screws are often needed to be connected at the connecting parts of the two parts, and the positions of the connecting pieces such as the screws are often located on the side surface of the narrow channel, so that the traditional screwdriver is difficult to play a role, and an installer has to take time and labor to fasten the screws.
Disclosure of Invention
The present invention has been made to overcome the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an auxiliary device for electromechanical device installation, which has a simple structure and is capable of effectively fastening a screw member located on a side of a narrow space when the electromechanical device is installed.
The technical scheme of the invention is as follows: an auxiliary device for mounting electromechanical equipment comprises a connecting rod, wherein a handle is arranged at the lower end of the connecting rod, a transverse branch connecting rod is arranged at the upper end of the connecting rod, a channel along the length direction of the rod is arranged in the branch connecting rod, a permanent magnet which can slide left and right along the longitudinal direction of the channel and can rotate along the central line of the channel is connected in the channel in a sliding mode, the right end of the permanent magnet is fixedly connected with the left end of a toothed shaft, the right end of the toothed shaft penetrates through a through hole at the right end of the channel, a connector used for connecting a screwdriver bit is arranged at the right end of the toothed shaft, and the; the gear shaft is meshed with a gear, wherein the gear extends into the channel from an inlet formed in the side wall of the branch connecting rod and is meshed with the gear shaft, the gear is connected with a rotating shaft, and the rotating shaft is connected with an output shaft of a motor; an electromagnet opposite to the permanent magnet is fixed at the left end in the channel, the electromagnet is electrically connected with the power supply module through an electromagnet power supply switch, and when the electromagnet power supply switch is switched on, the electromagnet generates magnetic force for pushing the permanent magnet to the right; the motor is electrically connected with the power supply module and is also in signal connection with the motor controller, and the motor controller comprises a clockwise rotation switch for clockwise rotation of the motor and a reverse rotation switch for reverse rotation of the motor.
The length of the connecting rod is adjustable; the connecting rod comprises a barrel, the lower end of the barrel is connected with the handle, a rod body is sleeved in the barrel, the upper end of the rod body is connected with the branch connecting rod, and a first locking mechanism for locking the relative position between the rod body and the barrel is arranged between the rod body and the barrel; the power module is fixed at the lowest end in the barrel, the motor is fixed in a motor accommodating cavity formed in the upper end of the rod body, and the rotating shaft penetrates through a rotating shaft through hole formed in the side wall of the upper end of the rod body and then is connected with an output shaft of the motor; and a bearing seat is further fixed on the side wall of the branch connecting rod, a bearing is arranged in the bearing seat, and the rotating shaft penetrates through the inner ring of the bearing and is fixedly connected with the inner ring of the bearing through a key.
Still the cover is equipped with the lantern ring on the above-mentioned barrel, the lantern ring is equipped with the sucking disc with the one end fixed connection of length adjustable transverse bar, the other end of transverse bar, the sucking disc is used for adsorbing on electromechanical device, thereby avoids the connecting rod rocks about in service.
The transverse rod comprises a transverse sleeve and a transverse connecting rod sleeved in the transverse sleeve, a second locking mechanism used for locking the relative position of the transverse sleeve and the transverse connecting rod is arranged between the transverse sleeve and the transverse connecting rod, the transverse sleeve is fixedly connected with the lantern ring, and the transverse connecting rod is connected with the sucker.
The handle is of a triangular frame structure; the electromagnet power supply switch, the forward rotation switch and the reverse rotation switch are all arranged on the handle.
The adsorption end of the sucker is of a disc-shaped structure made of rubber materials.
The invention has the beneficial effects that: the embodiment of the invention provides an auxiliary device for electromechanical equipment installation, which has a simple structure, and can effectively fasten screw parts positioned on the side surface of a narrow space when electromechanical equipment is installed, when the screw parts are fastened, a connecting rod disclosed by the invention is inserted into the narrow space, a screwdriver bit disclosed by the invention is contacted with the screw parts, then an electromagnet power supply switch is started, so that the screwdriver bit constantly supports the screw tightly, the screw is kept in close contact with the screw, a clockwise switch is started to supply power to a motor, the motor drives a gear to rotate through a rotating shaft after rotating, the gear drives a gear shaft to rotate, the gear shaft drives the screwdriver bit to rotate, and the screw is fastened; when the screw needs to be detached, the reverse switch is turned on, and the purpose of loosening the screw can be achieved in the reverse direction. The invention has simple structure and strong practicability, and can effectively fasten or disassemble the screw on the side surface of a narrow space.
Drawings
FIG. 1 is an overall schematic view of the present invention;
fig. 2 is a schematic view of one end of the screwdriver bit of the present invention.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
Referring to fig. 1 and 2, the invention provides an auxiliary device for electromechanical device installation, which comprises a connecting rod 1, wherein a handle 2 is arranged at the lower end of the connecting rod 1, a transverse branch connecting rod 21 is arranged at the upper end of the connecting rod 1, a channel 8 along the length direction of the connecting rod is arranged in the branch connecting rod 21, a columnar permanent magnet 9 capable of sliding left and right along the longitudinal direction of the channel and rotating along the central line of the channel 8 is connected in the channel 8 in a sliding manner, the right end of the permanent magnet 9 is fixedly connected with the left end of a toothed shaft 4, the right end of the toothed shaft 4 penetrates through a through hole at the right end of the channel 8, a connector used for connecting a screwdriver bit 5 is arranged at the right end of the toothed shaft 4, the connector is connected with the screwdriver bit 5, and the screwdriver bit 5 has magnetism and can suck a screw; the gear shaft 4 is meshed with a gear 6 positioned on the side edge of the gear shaft, wherein the gear 6 extends into the channel 8 from an inlet 20 formed in the side wall of the sub-connecting rod 21 and is meshed with the gear shaft 4, the gear 6 is connected with a rotating shaft 7, the rotating shaft 7 is connected with an output shaft of a motor 11, and the motor 11 can be fixed on the connecting rod 1 or arranged in the connecting rod 1; the left end in the channel 8 is fixedly provided with the electromagnet 3 opposite to the permanent magnet 9, the electromagnet 3 can generate repulsion to the permanent magnet 9, the electromagnet 3 is electrically connected with the power module 16 through the electromagnet power supply switch 18, and after the electromagnet power supply switch 18 is switched on, the electromagnet 3 generates magnetic force for pushing the permanent magnet 9 to the right; the motor 11 is electrically connected to a power module 16, and the motor 11 is also in signal connection with a motor controller that includes a forward switch 17 for forward rotation of the motor and a reverse switch 19 for reverse rotation of the motor. According to the electromechanical device, the screw component on the side face of the narrow space can be conveniently fastened when the electromechanical device is installed, when the screw components are fastened, the screw is firstly adsorbed on the screwdriver head, the screwdriver head is kept to adsorb the nut end of the screw component, one end of the screwdriver head of the connecting rod is inserted into the narrow space and aligned with the installation hole, the other end of the screw is abutted against the orifice of the installation hole, then the electromagnet power supply switch is turned on, the screwdriver head constantly abuts against the screw and keeps close contact with the screw, the clockwise switch is turned on to supply power to the motor, the motor drives the gear to rotate through the rotating shaft, the gear drives the gear shaft to rotate, and the gear shaft drives the screwdriver head to rotate, so that the screw is inserted into the screw hole and fastened; when the screw needs to be detached, the reverse switch is turned on, and the purpose of loosening the screw can be achieved in the reverse direction.
Furthermore, the length of the connecting rod 1 is adjustable, and the length of the connecting rod can be adjusted to adapt to the screw installation of slits with different depths; the connecting rod 1 comprises a barrel body 1-1, the lower end of the barrel body 1-1 is connected with a handle 2, a rod body 1-2 is sleeved in the barrel body 1-1, the upper end of the rod body 1-2 is connected with the branch connecting rod 21, a first locking mechanism 1-3 for locking the relative position between the rod body 1-2 and the barrel body 1-1 is arranged between the rod body 1-2 and the barrel body 1-1, and the first locking mechanism 1-3 can be a locking bolt; the power module 16 is fixed at the lowest end inside the barrel body 1-1, the motor 11 is fixed in a motor accommodating cavity formed in the interior of the upper end of the rod body 1-2, and the rotating shaft 7 penetrates through a rotating shaft through hole formed in the side wall of the upper end of the rod body 1-2 and then is connected with an output shaft of the motor 11; the side wall of the branch connecting rod 21 is also fixed with a bearing seat 10, a bearing is arranged in the bearing seat 10, and the rotating shaft 7 penetrates through the inner ring of the bearing and is fixedly connected with the inner ring of the bearing through a key.
Further, still the cover is equipped with lantern ring 12 on barrel 1-1, lantern ring 12 and the one end fixed connection of length adjustable transverse bar 13, and the other end of transverse bar 13 is equipped with sucking disc 14, sucking disc 14 is used for adsorbing on electromechanical device to avoid as far as connecting rod 1 rocks about in the work.
Further, the transverse rod 13 includes a transverse sleeve and a transverse link sleeved in the transverse sleeve, a second locking mechanism 15 for locking the relative position of the transverse sleeve and the transverse link is arranged between the transverse sleeve and the transverse link, wherein the transverse sleeve is fixedly connected with the lantern ring 12, and the transverse link is connected with the sucker 14. The length of the transverse rod 13 is adjustable, and the transverse rod can be adsorbed on the wall parts of the equipment corresponding to the slits with different widths.
Furthermore, the handle 2 is a triangular frame structure, so that the handle is convenient to hold by two hands; the electromagnet power supply switch 18, the clockwise rotation switch 17 and the reverse rotation switch 19 are all arranged on the handle 2, and are convenient to open and close in the holding process.
Further, the suction end of the suction cup 14 is a disc-shaped structure made of rubber material.
In conclusion, the screw components on the side wall of the narrow space can be effectively fastened when the electromechanical equipment is installed, when the screw components are fastened, the connecting rod is inserted into the narrow space, the screwdriver bit of the screw driver is in contact with the screw components, then the electromagnet power supply switch is turned on, so that the screwdriver bit constantly props up the screw, the screw is kept in close contact with the screw, the clockwise switch is turned on to supply power to the motor, the motor drives the gear to rotate through the rotating shaft after rotating, the gear drives the gear shaft to rotate, the gear shaft drives the screwdriver bit to rotate, and the screw is fastened; when the screw needs to be detached, the reverse switch is turned on, and the purpose of loosening the screw can be achieved in the reverse direction. The invention has simple structure and strong practicability, and can effectively fasten or disassemble the screw on the side surface of a narrow space.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (3)

1. The auxiliary device for mounting the electromechanical equipment comprises a connecting rod (1), wherein a handle (2) is arranged at the lower end of the connecting rod (1), and is characterized in that a transverse branch connecting rod (21) is arranged at the upper end of the connecting rod (1), a channel (8) along the length direction of the connecting rod is arranged in the branch connecting rod (21), a permanent magnet (9) which can slide left and right along the longitudinal direction of the channel and can rotate along the central line of the channel (8) is connected in the channel (8) in a sliding manner, the right end of the permanent magnet (9) is fixedly connected with the left end of a toothed shaft (4), the right end of the toothed shaft (4) penetrates through a through hole at the right end of the channel (8), a joint for connecting a screwdriver bit (5) is arranged at the right end of the toothed shaft (4), and the joint is connected; the gear shaft (4) is meshed with a gear (6), wherein the gear (6) extends into the channel (8) from an inlet (20) formed in the side wall of the branch connecting rod (21) and is meshed with the gear shaft (4), the gear (6) is connected with a rotating shaft (7) in a shaft mode, and the rotating shaft (7) is connected with an output shaft of the motor (11); an electromagnet (3) opposite to the permanent magnet (9) is fixed at the left end inside the channel (8), the electromagnet (3) is electrically connected with a power module (16) through an electromagnet power supply switch (18), and after the electromagnet power supply switch (18) is switched on, the electromagnet (3) generates magnetic force which repels the permanent magnet (9) to the right; the motor (11) is electrically connected with the power supply module (16), the motor (11) is also in signal connection with a motor controller, and the motor controller comprises a forward switch (17) for enabling the motor (11) to rotate forward and a reverse switch (19) for enabling the motor (11) to rotate reversely;
the length of the connecting rod (1) is adjustable; the connecting rod (1) comprises a barrel body (1-1), the lower end of the barrel body (1-1) is connected with the handle (2), a rod body (1-2) is sleeved in the barrel body (1-1), the upper end of the rod body (1-2) is connected with the branch connecting rod (21), and a first locking mechanism (1-3) used for locking the relative position between the rod body (1-2) and the barrel body (1-1) is arranged between the rod body (1-2) and the barrel body (1-1); the power module (16) is fixed at the lowest end inside the barrel body (1-1), the motor (11) is fixed in a motor accommodating cavity formed in the interior of the upper end of the rod body (1-2), and the rotating shaft (7) penetrates through a rotating shaft through hole formed in the side wall of the upper end of the rod body (1-2) and then is connected with an output shaft of the motor (11); a bearing seat (10) is further fixed on the side wall of the sub-connecting rod (21), a bearing is arranged in the bearing seat (10), and the rotating shaft (7) penetrates through an inner ring of the bearing and is fixedly connected with the inner ring of the bearing through a key; the barrel body (1-1) is further sleeved with a sleeve ring (12), the sleeve ring (12) is fixedly connected with one end of a transverse rod (13) with adjustable length, a sucker (14) is arranged at the other end of the transverse rod (13), and the sucker (14) is used for being adsorbed on electromechanical equipment, so that the connecting rod (1) is prevented from shaking in work; the transverse rod (13) comprises a transverse sleeve and a transverse connecting rod sleeved in the transverse sleeve, a second locking mechanism (15) for locking the relative position of the transverse sleeve and the transverse connecting rod is arranged between the transverse sleeve and the transverse connecting rod, the transverse sleeve is fixedly connected with the lantern ring (12), and the transverse connecting rod is connected with the sucker (14);
the auxiliary device for electromechanical equipment installation can effectively fasten screw parts on the side face of a narrow space when electromechanical equipment is installed, when the screw parts are fastened, the connecting rod is inserted into the narrow space, the screwdriver bit is in contact with the screw parts, then the electromagnet power supply switch is turned on, so that the screwdriver bit constantly supports against the screw to keep close contact with the screw, the clockwise switch is turned on to supply power to the motor, the motor drives the gear to rotate through the rotating shaft after rotating, the gear drives the gear shaft to rotate, the gear shaft drives the screwdriver bit to rotate, and the screw is fastened; when the screw needs to be detached, the reverse switch is turned on, and the purpose of loosening the screw in the reverse direction can be achieved.
2. An auxiliary device for electromechanical equipment mounting, according to claim 1, characterized in that said handle (2) is a triangular frame structure; the electromagnet power supply switch (18), the forward switch (17) and the reverse switch (19) are all arranged on the handle (2).
3. An auxiliary device for electromechanical device mounting, according to claim 1, characterized in that the suction end of said suction cup (14) is a disc-like structure made of rubber material.
CN201911100822.6A 2019-11-12 2019-11-12 Auxiliary device for mounting electromechanical equipment Expired - Fee Related CN110802539B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911100822.6A CN110802539B (en) 2019-11-12 2019-11-12 Auxiliary device for mounting electromechanical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911100822.6A CN110802539B (en) 2019-11-12 2019-11-12 Auxiliary device for mounting electromechanical equipment

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CN110802539A CN110802539A (en) 2020-02-18
CN110802539B true CN110802539B (en) 2021-07-02

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111590505A (en) * 2020-06-28 2020-08-28 广德姑苏线路板有限公司 Automatic mechanism of assembling of multi-angle electronic part
CN112828799A (en) * 2020-12-08 2021-05-25 中国石油天然气股份有限公司 Dismounting device of bearing support

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205734643U (en) * 2016-01-26 2016-11-30 国网山东省电力公司巨野县供电公司 A kind of station screwdriver
CN205852645U (en) * 2016-08-03 2017-01-04 中铁建电气化局集团第三工程有限公司 Railway hard crossbeam assembling procedure electric wrench
CN206154192U (en) * 2016-11-10 2017-05-10 九江国科远大机电有限公司 Multifunctional wrench
CN108393681A (en) * 2018-01-09 2018-08-14 奇瑞汽车股份有限公司 A kind of bolt loading and unloading tool
CN207824438U (en) * 2017-12-26 2018-09-07 苏州市福英电子有限公司 A kind of mechanical processing fixture convenient for positioning
CN108544433A (en) * 2018-06-29 2018-09-18 万建成 A kind of electrician's portable multifunctional electric drill

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130319183A1 (en) * 2012-06-04 2013-12-05 Don K. Clover Apparatus and Methods for threading a nut along an elongate member

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205734643U (en) * 2016-01-26 2016-11-30 国网山东省电力公司巨野县供电公司 A kind of station screwdriver
CN205852645U (en) * 2016-08-03 2017-01-04 中铁建电气化局集团第三工程有限公司 Railway hard crossbeam assembling procedure electric wrench
CN206154192U (en) * 2016-11-10 2017-05-10 九江国科远大机电有限公司 Multifunctional wrench
CN207824438U (en) * 2017-12-26 2018-09-07 苏州市福英电子有限公司 A kind of mechanical processing fixture convenient for positioning
CN108393681A (en) * 2018-01-09 2018-08-14 奇瑞汽车股份有限公司 A kind of bolt loading and unloading tool
CN108544433A (en) * 2018-06-29 2018-09-18 万建成 A kind of electrician's portable multifunctional electric drill

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