CN203031525U - Power-driven torque wrench - Google Patents

Power-driven torque wrench Download PDF

Info

Publication number
CN203031525U
CN203031525U CN 201320031619 CN201320031619U CN203031525U CN 203031525 U CN203031525 U CN 203031525U CN 201320031619 CN201320031619 CN 201320031619 CN 201320031619 U CN201320031619 U CN 201320031619U CN 203031525 U CN203031525 U CN 203031525U
Authority
CN
China
Prior art keywords
gearbox
torque
motor
output shaft
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320031619
Other languages
Chinese (zh)
Inventor
林尚波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dude Machinery Technology (shanghai) Co ltd
Original Assignee
Dude Machinery Technology (shanghai) Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dude Machinery Technology (shanghai) Co ltd filed Critical Dude Machinery Technology (shanghai) Co ltd
Priority to CN 201320031619 priority Critical patent/CN203031525U/en
Application granted granted Critical
Publication of CN203031525U publication Critical patent/CN203031525U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a power-driven torque wrench which comprises a motor, a planetary reducer, a first gearbox or a second gearbox, a counteractive arm of force, a torque adjusting circuit, a display and a casing body. An output shaft of the motor is connected with an input shaft of the first gearbox or the second gearbox. An output shaft of the first gearbox or the second gearbox is connected with an input shaft of the planetary reducer. An output shaft of the planetary reducer is provided with a square body. The motor, the planetary reducer, the first gearbox or the second gearbox and the torque adjusting circuit are arranged in the casing body. The counteractive arm of force and the display are arranged outside the casing body. The torque adjusting circuit is used for controlling working currents of the motor so as to accurately control output torque. The display can be used for setting and displaying working torque. The power-driven torque wrench has the advantages of being simple in structure and convenient to use.

Description

The electric torque spanner
Technical field
The utility model relates to the electric tool technical field, especially a kind of electric torque spanner.
Background technology
The method of prior art control electric wrench output torque, mostly be the mechanical means that the gearbox gear is set, change by the gearbox gear, change the output torque of electric wrench, the problem that exists is, control passivity big, the moment of torsion control accuracy is low, can't satisfy to moment of torsion have higher requirements fastening be connected occasion.
The utility model content
The purpose of this utility model is a kind of electric torque spanner that provides at the deficiencies in the prior art, the utility model is by the operating current of torque regulating electric road control motor, thereby accurately control output torque, can set operation torque by display, have advantage simple in structure, easy to use.
The concrete technical scheme that realizes the utility model purpose is:
A kind of electric torque spanner, its characteristics are that it comprises motor, planetary reduction gear, first gearbox or second gearbox, the reaction arm of force, torque regulating electric road, display and housing, the power shaft of described first gearbox is 90 ° of settings with the coaxial setting of output shaft, the power shaft of second gearbox and output shaft; The output shaft of described motor is connected with the power shaft of first gearbox or second gearbox, the output shaft of first gearbox or second gearbox is connected with the power shaft of planetary reduction gear, the output shaft side of the being provided with body of planetary reduction gear, and motor, planetary reduction gear, first gearbox or second gearbox and torque regulating electric road are located in the housing, the reaction arm of force and display are located at hull outside; Described torque regulating electric routing current setting module and current detection module are formed, and the current settings module is connected with the power supply of motor through circuit, and current detection module one end is connected with motor, the other end is connected with display.
The utility model is controlled the operating current of motor by the torque regulating electric road, thereby accurately controls output torque, can set operation torque by display, has advantage simple in structure, easy to use.
Description of drawings
Fig. 1 is provided with the structural representation of first gearbox for the utility model;
Fig. 2 is provided with the structural representation of second gearbox for the utility model;
Fig. 3 is the block diagram on the utility model torque regulating electric road.
The specific embodiment
Consult Fig. 1, Fig. 2, the utility model comprises motor 1, planetary reduction gear 2, first gearbox 3 or second gearbox 4, the reaction arm of force 5, torque regulating electric road 6, display 7 and housing 8, the power shaft 31 of described first gearbox 3 and output shaft 32 coaxial settings, power shaft 41 and the output shaft 42 of second gearbox 4 are 90 ° of settings; The output shaft of described motor 1 is connected with the power shaft of first gearbox 3 or second gearbox 4, the output shaft of first gearbox 3 or second gearbox 4 is connected with the power shaft of planetary reduction gear 2, the output shaft side of the being provided with body 13 of planetary reduction gear 12, and motor 1, planetary reduction gear 2, first gearbox 3 or second gearbox 4 and torque regulating electric road 6 are located in the housing 8, the reaction arm of force 5 and display 7 are located at housing 8 outsides.
Consult Fig. 1, Fig. 3, described torque regulating electric road 6 is made up of current settings module 61 and current detection module 63, and current settings module 61 is connected through the power supply of circuit with motor 1, and current detection module 63 1 ends are connected with motor 1, the other end is connected with display 7.
The utility model is to use like this:
A), the output of operation torque:
When motor 1 work, the moment of torsion on motor 1 output shaft drives bolt or nut, the output of the moment of torsion of finishing the work by square body 13 and the box spanner of first gearbox 3 or second gearbox 4, planetary reduction gear 2 output shafts.
B), the setting of operation torque:
First method: the torque value of directly setting desire work by display 7.Second method: size and strength grade by display input bolt draw torque value by the microprocessor in the circuit after computing.This setting value is by the average current output valve of torque regulating electric road 6 control current settings modules 61; namely realize the Current Control to motor 1; cooperate the setting of first gearbox 3 or second gearbox, 4 gears; namely set output services moment of torsion of the present utility model; during work; when the utility model reached the output services moment of torsion, the utility model was with autostop.
The utility model housing 8 outsides are provided with the reaction arm of force 5, during work, the reaction arm of force 5 and frame are fixed, in the work, the reaction force that produces is passed to the reaction arm of force 5 by housing 8 and absorbs, and reduces the labour intensity of operating process, improves the security of operation.
The utility model torque regulating electric road 6 has memory function, can remember last working set value, opens switch, and display 7 can show last setting value automatically, and the gear setting that only needs to confirm first gearbox 3 or second gearbox 4 gets final product.
Owing to adopt first gearbox 3 or second gearbox 4, the utility model is divided into " one " font or two kinds of versions of " L " shape, wherein, what be provided with first gearbox 3 is " one " font structure, what be provided with second gearbox 4 is " L " shape structure; " one " font structure is common structure, has advantage easy to use; " L " shape structure is primarily aimed at the occasion that working space is restricted, and solves the problem of little space work.

Claims (2)

1. electric torque spanner, it is characterized in that it comprises motor (1), planetary reduction gear (2), first gearbox (3) or second gearbox (4), the reaction arm of force (5), torque regulating electric road (6), display (7) and housing (8), the power shaft (31) of described first gearbox (3) and the coaxial setting of output shaft (32), the power shaft (41) of second gearbox (4) is 90 ° of settings with output shaft (42); The output shaft of described motor (1) is connected with the power shaft of first gearbox (3) or second gearbox (4), the output shaft of first gearbox (3) or second gearbox (4) is connected with the power shaft of planetary reduction gear (2), the output shaft side of the being provided with body (13) of planetary reduction gear (12), and motor (1), planetary reduction gear (2), first gearbox (3) or second gearbox (4) and torque regulating electric road (6) are located in the housing (8), the reaction arm of force (5) and display (7) are located at housing (8) outside.
2. electric torque spanner according to claim 1, it is characterized in that torque regulating electric road (6) is made up of current settings module (61) and current detection module (63), current settings module (61) is connected through the power supply of circuit with motor (1), and current detection module (63) one ends are connected with motor (1), the other end is connected with display (7).
CN 201320031619 2013-01-22 2013-01-22 Power-driven torque wrench Expired - Fee Related CN203031525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320031619 CN203031525U (en) 2013-01-22 2013-01-22 Power-driven torque wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320031619 CN203031525U (en) 2013-01-22 2013-01-22 Power-driven torque wrench

Publications (1)

Publication Number Publication Date
CN203031525U true CN203031525U (en) 2013-07-03

Family

ID=48683667

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320031619 Expired - Fee Related CN203031525U (en) 2013-01-22 2013-01-22 Power-driven torque wrench

Country Status (1)

Country Link
CN (1) CN203031525U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753467A (en) * 2014-01-25 2014-04-30 浙江立邦电器有限公司 Electric spanner
CN103878731A (en) * 2014-04-03 2014-06-25 胡井湖 Impact-free digital display intelligent electric torque spanner
CN103934789A (en) * 2014-04-03 2014-07-23 胡井湖 Intelligent electric torque wrench, torque control system and control method thereof
CN110216616A (en) * 2019-06-20 2019-09-10 国网河南省电力公司电力科学研究院 A kind of Electric torque wrench and its man-machine interaction method
US10625405B2 (en) 2016-09-13 2020-04-21 Milwaukee Electric Tool Corporation Powered ratcheting torque wrench

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753467A (en) * 2014-01-25 2014-04-30 浙江立邦电器有限公司 Electric spanner
CN103878731A (en) * 2014-04-03 2014-06-25 胡井湖 Impact-free digital display intelligent electric torque spanner
CN103934789A (en) * 2014-04-03 2014-07-23 胡井湖 Intelligent electric torque wrench, torque control system and control method thereof
CN105397703A (en) * 2014-04-03 2016-03-16 胡井湖 Torque control system of intelligent electric torque spanner
CN103878731B (en) * 2014-04-03 2016-05-25 胡井湖 A kind of without impulsive force digital display intelligent electric torque spanner
CN105397703B (en) * 2014-04-03 2017-06-06 胡井湖 A kind of torque control system of intelligent electric torque wrench
US10625405B2 (en) 2016-09-13 2020-04-21 Milwaukee Electric Tool Corporation Powered ratcheting torque wrench
CN110216616A (en) * 2019-06-20 2019-09-10 国网河南省电力公司电力科学研究院 A kind of Electric torque wrench and its man-machine interaction method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130703

Termination date: 20190122