CN109366412B - Electric torque wrench for suspension - Google Patents

Electric torque wrench for suspension Download PDF

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Publication number
CN109366412B
CN109366412B CN201811496003.3A CN201811496003A CN109366412B CN 109366412 B CN109366412 B CN 109366412B CN 201811496003 A CN201811496003 A CN 201811496003A CN 109366412 B CN109366412 B CN 109366412B
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CN
China
Prior art keywords
handle
wrench
battery cover
key
clamping plate
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
CN201811496003.3A
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Chinese (zh)
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CN109366412A (en
Inventor
顾建凯
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.)
Nanjing Institute of Railway Technology
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Nanjing Institute of Railway Technology
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Filing date
Publication date
Application filed by Nanjing Institute of Railway Technology filed Critical Nanjing Institute of Railway Technology
Priority to CN201811496003.3A priority Critical patent/CN109366412B/en
Publication of CN109366412A publication Critical patent/CN109366412A/en
Application granted granted Critical
Publication of CN109366412B publication Critical patent/CN109366412B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers

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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 a suspended electrodynamic torque wrench, which comprises a handle body and a wrench head, wherein a driving head is embedded in the middle inside the wrench head, the bottom end of the driving head is connected with a square tenon, a gear seat screw is connected to the upper surface of the wrench head through threads, a forward and reverse rotation switch is arranged beside the gear seat screw, a sensor is embedded in the front end of the handle body, a handle is arranged at the rear end of the handle body, a datum line is arranged on the handle, a battery cover is arranged at the tail end of the handle, and the battery cover is connected to the tail end of the handle through a hinge at one end. The electric torque wrench for suspension is provided with the battery cover clamping plate, the protection ring and the fixing pin, wherein the battery cover clamping plate can fix a battery in the handle through the back-and-forth movement of the groove and is not easy to move; the protective ring can seal and fix the battery placing port and is not affected with damp; the fixed pin can be quick change spanner for some commonly used bolt fastening, convenient and fast.

Description

Electric torque wrench for suspension
Technical Field
The invention relates to the field of electric torque wrenches, in particular to an electric torque wrench for suspension.
Background
More than 50% of equipment operation faults are caused by bolt problems, the number of major accidents caused by the bolt problems is very remarkable, and therefore, the requirements of new equipment installation and maintenance specifications on bolt fastening torque are very strict, and particularly, the pretightening force of a connecting bolt needs to be accurately controlled for heavy mechanical equipment bearing loads and strong impact vibration. But the required pretightening force is very large, and the space condition is limited, so that a large-size tool cannot be adopted, and a torque wrench is required. The controller, which is a critical component of the torque wrench, greatly affects its performance.
However, the current electric torque wrench still has some disadvantages in use: the wrench head is not easy to disassemble and replace after long time; the battery cover is easy to damage after being fixed for a long time, so that the electric distance spanner cannot be used; the sealing ring in the battery area is not arranged, so that the use is easily influenced by humidity and the like; to this end, we propose an electric torque wrench for suspension.
Disclosure of Invention
The main object of the present invention is to provide an electrodynamic torque wrench for suspension that effectively solves the problems of the background art. In order to achieve the purpose, the invention adopts the technical scheme that:
an electric torque wrench for suspension comprises a handle body and a wrench head, wherein the front end of the handle body is connected with the wrench head, and the rear end of the handle body is provided with a handle; the controller is connected between the handle and the handle body, and the rubber buckle plate is arranged on the back of the handle and used for hanging the electric torque wrench; the controller comprises a front-end starting unit, a middle-end control unit and a rear-end alarm unit, wherein the front-end starting unit is provided with a battery and a power supply starting key, the middle-end control unit is provided with a single-chip microcomputer central processing unit and a torsion value adjusting unit, and the rear-end alarm unit is provided with a buzzer, an LED warning lamp and a sensor; the singlechip central processing unit consists of a controller initialization unit, a keyboard scanning and processing unit, a stepping motor control unit and a torque detection unit.
As an improvement, one side of the inside of the rubber buckle plate is provided with a first strong foam double-sided tape, one side of the first strong foam double-sided tape is provided with a first strong magnet, the other side of the inside of the rubber buckle plate is provided with a second strong foam double-sided tape, and one side of the second strong foam double-sided tape is provided with a second strong magnet.
As an improvement, the upper end of the controller is provided with a display screen, one side of the display screen is provided with an LED warning lamp, an ascending key and a descending key are respectively arranged below the LED warning lamp, a buzzer is arranged below the display screen, and the other side of the display screen is provided with a memory key, a backlight key, a power key and a torsion value key respectively.
As an improvement, the driving head is embedded in the middle of the interior of the wrench head, the bottom end of the driving head is connected with the square tenon, a gear seat screw is connected to the upper face of the wrench head through threads, a forward and reverse rotation switch is arranged beside the gear seat screw, a sensor is embedded in the front end of the handle body, a handle is arranged at the rear end of the handle body, a datum line is arranged on the upper face of the handle, a battery cover is arranged at the tail end of the handle and is connected to the tail end of the handle through a hinge at one end, a stretching plate is arranged at the other end of the battery cover, a clamping plate is connected to one end of the stretching plate and moves in a clamping groove in the interior of the handle through a spring, the clamping plate is fixedly connected to the tail end of the handle through a clamping hole, and a protection ring is fixedly mounted at the lower end of the battery cover.
As the improvement, the handle body is a cylinder, and the handle body is fixedly connected to one end of the wrench head through a fixing pin.
As an improvement, the square tenon is fixedly connected with the driving head and is a cube.
As an improvement, the surface of the handle is covered with an anti-skid leather sheath.
As an improvement, the middle part of the handle body is fixedly connected with a controller.
As an improvement, a display screen is embedded in the middle of the controller.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, through the battery clamping plate on the battery cover at the tail end of the handle, a user can insert the clamping plate into the clamping hole through the movement of the clamping groove of the battery clamping plate, so that the battery can be effectively prevented from shaking in use, and a certain stabilizing effect is achieved; through the protection ring below the battery cover, a user can seal the connection part of the battery cover and the handle, so that the battery is effectively controlled to be affected by moisture, and the battery can be better fixed in the handle; the user can choose the spanner that needs to use to carry out the side measurement through taking out of fixed pin to insert, and the change that the fixed pin can be quick has saved user's time, convenient and fast.
Simultaneously, set up a rubber buckle at the handle back, when hanging and get in a certain department, a powerful magnet and No. two powerful magnets adsorb each other, play the effect of fixed rubber buckle board, the rubber buckle board can be convenient hang the electric torque spanner and get and deposit.
Drawings
Fig. 1 is a schematic view of the overall structure of an electric torque wrench according to the present invention.
Fig. 2 is a side sectional view of the electric torque wrench of the present invention.
Fig. 3 is a cross-sectional view of the battery cover of the electric torque wrench of the present invention.
Fig. 4 is a side cross-sectional view of a battery cover of the electric torque wrench of the present invention.
Fig. 5 is a cross-sectional view of the rubber snap plate of the battery cover of the electric torque wrench of the present invention.
The reference signs are: 1. a handle body; 2. a wrench head; 3. a drive head; 4. a gear seat screw; 5. a forward and reverse rotation switch; 6. a fixing pin; 7. a sensor; 8. an LED warning light; 9. an up key; 10. a memory key; 11. a backlight key; 12. a handle; 13. a battery cover; 14. a power key; 15. a torque value key; 16. a buzzer; 17. a display screen; 18. a down bond; 19. a reference line; 20. a square tenon; 21. a controller; 22. a hinge; 23. stretching the plate; 24. a buckle plate; 25. a card slot; 26. a clamping hole; 27. a guard ring; 28. a rubber snap plate; 29. a first strong foam double-sided tape; 30. a first powerful magnet; 31. strong foam double-sided tape II; 32. a second powerful magnet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, an electric torque wrench comprises a handle body 1 and a wrench head 2, a driving head 3 is embedded in the middle of the interior of the wrench head 2, the bottom end of the driving head 3 is connected with a square tenon 20, a gear seat screw 4 is connected with the upper surface of the wrench head 2 through a thread, a forward-reverse switch 5 is arranged beside the gear seat screw 4, a sensor 7 is embedded in the front end of the handle body 1, a handle 12 is arranged at the rear end of the handle body 1, a datum line 19 is arranged on the handle 12, a battery cover 13 is arranged at the tail end of the handle 12, the battery cover 13 is connected with the tail end of the handle 12 through a hinge 22 at one end, a stretching plate 23 is arranged at the other end of the battery cover 13, a clamping plate 24 is connected with one end of the stretching plate 23, the clamping plate 24 moves in a clamping groove 25 in the interior of the handle 12 through a spring, a controller 21 is arranged in the middle of the handle body 1, a display screen 17 is arranged at the upper end of the controller 21, an LED warning light 8 is arranged on one side of the display screen 17, an ascending key 9 and a descending key 18 are respectively arranged below the LED warning lamp 8, a buzzer 16 is arranged below the display screen 17, a memory key 10, a backlight key 11, a power key 14 and a torque value key 15 are respectively arranged on the other side of the display screen 17, a clamping plate 24 is fixedly connected to the tail end of the handle 12 through a clamping hole 26, and a protection ring 27 is fixedly arranged at the lower end of the battery cover 13.
The handle body 1 is a cylinder, and the handle body 1 is fixedly connected to one end of the wrench head 2 through a fixing pin 6; the square tenon 20 is fixedly connected with the driving head 3, and the square tenon 20 is a cube; the surface of the handle 12 is covered with an anti-skid leather sheath; the middle part of the handle body 1 is fixedly connected with a controller 21; the display screen 17 is embedded in the middle of the controller 21.
When the electric torque wrench is used, a user fixedly connects the wrench head 2 and the handle body 1 through the fixing pin 6, opens the battery cover 13, puts the battery into the end groove of the handle 12, closes the battery cover 13 through the hinge 22 at the connection part of the battery cover 13 and the handle 12, the clamping plate 24 at the other end of the battery cover 13 moves back and forth in the clamping groove 25 through the stretching plate 23 and is embedded into the clamping hole 26, the battery cover 13 and the battery are sealed through the handle 12 through the protection ring 27 at the lower end of the battery cover 13, the user starts the electric torque wrench based on the single chip microcomputer by opening the power key 14 on the controller 21, the user fixes the square tenon 20 at the lower end of the driving head 3 on the bolt to be measured, the controller 21 uses the single chip microcomputer as a central processing chip, and the user adjusts the torque value key 15, the ascending key 9, the descending key 18 and the memory key 10, the testing torque is adjusted according to the data transmitted back by the sensor 7, the user controls the positive and negative rotation of the bolt by the positive and negative rotation switch 5 through the display of the display screen 17, the LED warning lamp 8 and the buzzer 16 on the controller 21 remind the fastening condition of the bolt when in use, and the controller software inside the controller 21 used when in use is composed of a controller initialization program, a keyboard scanning and processing program, a stepping motor control program, a torque detection program and the like.
When the electric torque wrench is not needed to be used, the rubber clamping plate 28 is hung and taken at a certain position, the first strong magnet 30 and the second strong magnet 32 are adsorbed to each other, the effect of fixing the rubber clamping plate 28 is achieved, the rubber clamping plate 28 can be used for conveniently hanging and storing the wrench, and the using convenience of the wrench is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (1)

1. An electric torque wrench for suspension, comprising a shank (1) and a wrench head (2), characterized in that: the front end of the handle body (1) is connected with a wrench head (2), and the rear end is provided with a handle (12); a controller (21) is connected between the handle (12) and the handle body (1), and a rubber clamping plate (28) is arranged on the back of the handle (12) and used for hanging an electric torque wrench;
the controller (21) comprises a front-end starting unit, a middle-end control unit and a rear-end alarm unit, wherein the front-end starting unit is provided with a battery and a power supply starting key, the middle-end control unit is provided with a single-chip microcomputer central processing unit and a torsion value adjusting unit, and the rear-end alarm unit is provided with a buzzer (16), an LED warning lamp (8) and a sensor; the singlechip central processing unit consists of a controller (21) initialization unit, a keyboard scanning and processing unit, a stepping motor control unit and a torque detection unit; the wrench is characterized in that a driving head (3) is embedded in the middle inside the wrench head (2), the bottom end of the driving head (3) is connected with a square tenon (20), a gear seat screw (4) is connected to the upper surface of the wrench head (2) through threads, a forward and reverse switch (5) is arranged beside the gear seat screw (4), a sensor (7) is embedded in the front end of a handle body (1), a handle (12) is arranged at the rear end of the handle body (1), a datum line (19) is arranged on the upper surface of the handle (12), a battery cover (13) is arranged at the tail end of the handle (12), the battery cover (13) is connected to the tail end of the handle (12) through a hinge (22) at one end, a stretching plate (23) is arranged at the other end of the battery cover (13), a clamping plate (24) is connected to one end of the stretching plate (23), and the clamping plate (24) moves in a clamping groove (25) inside the handle (12) through a spring, the clamping plate (24) is fixedly connected to the tail end of the handle (12) through a clamping hole (26), and a protection ring (27) is fixedly mounted at the lower end of the battery cover (13);
a first strong foam double-sided tape (29) is arranged on one side inside the rubber clamping plate (28), a first strong magnet (30) is arranged on one side of the first strong foam double-sided tape (29), a second strong foam double-sided tape (31) is arranged on the other side inside the rubber clamping plate (28), and a second strong magnet (32) is arranged on one side of the second strong foam double-sided tape (31);
the upper end of the controller (21) is provided with a display screen (17), one side of the display screen (17) is provided with an LED warning lamp (8), an ascending key (9) and a descending key (18) are respectively arranged below the LED warning lamp (8), a buzzer (16) is arranged below the display screen (17), and the other side of the display screen (17) is respectively provided with a memory key (10), a backlight key (11), a power key (14) and a torsion value key (15);
the wrench is characterized in that the handle body (1) is a cylinder, and the handle body (1) is fixedly connected to one end of the wrench head (2) through a fixing pin (6); the square tenon (20) is fixedly connected with the driving head (3), and the square tenon (20) is a cube; the surface of the handle (12) is covered with an anti-skid leather sheath; the middle part of the handle body (1) is fixedly connected with a controller (21); a display screen (17) is embedded in the middle of the controller (21);
the electric torque wrench also comprises a using method, which specifically comprises the following steps:
when the wrench is used, a wrench head (2) is fixedly connected with a handle body (1) through a fixing pin (6), a user opens a battery cover (13), the battery is placed in a tail end groove of the handle (12), the battery cover (13) is closed through a hinge (22) at the joint of the battery cover (13) and the handle (12), a clamping plate (24) at the other end of the battery cover (13) moves back and forth in a clamping groove (25) through a stretching plate (23) and is embedded in a clamping hole (26), a protection ring (27) at the lower end of the battery cover (13) seals the battery cover (13) and the battery through the handle (12), the user opens a power key (14) on a controller (21) to start the wrench based on single chip microcomputer, the user is fixed on a bolt to be measured through a square tenon (20) at the lower end of a driving head (3), and the interior of the controller (21) serves as a central processing chip through the single chip, a user adjusts the torque value key (15), the ascending key (9), the descending key (18) and the memory key (10) according to the data transmitted back by the sensor (7) to adjust the test torque, the user controls the positive and negative rotation of the bolt by the positive and negative rotation switch (5) through the display of the display screen (17), and the LED warning lamp (8) and the buzzer (16) on the controller (21) remind the fastening condition of the bolt in use;
when the electric torque wrench is not needed to be used, the rubber clamping plate (28) is hung and taken at a certain position, the first strong magnet (30) and the second strong magnet (32) are adsorbed to each other, the effect of fixing the rubber clamping plate (28) is achieved, the rubber clamping plate (28) can be used conveniently for hanging and taking the wrench, and the using convenience of the wrench is improved.
CN201811496003.3A 2018-12-24 2018-12-24 Electric torque wrench for suspension Expired - Fee Related CN109366412B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811496003.3A CN109366412B (en) 2018-12-24 2018-12-24 Electric torque wrench for suspension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811496003.3A CN109366412B (en) 2018-12-24 2018-12-24 Electric torque wrench for suspension

Publications (2)

Publication Number Publication Date
CN109366412A CN109366412A (en) 2019-02-22
CN109366412B true CN109366412B (en) 2021-09-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811496003.3A Expired - Fee Related CN109366412B (en) 2018-12-24 2018-12-24 Electric torque wrench for suspension

Country Status (1)

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CN (1) CN109366412B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201544172U (en) * 2009-09-03 2010-08-11 深圳市同力达精密工具有限公司 Digital-display torque wrench
IT1401500B1 (en) * 2010-08-02 2013-07-26 Atlas Copco Blm Srl SYSTEM AND METHOD FOR QUALITY CONTROL OF SCREWED JOINTS
CN105522523A (en) * 2014-10-22 2016-04-27 陕西杰创科技有限公司 Digital readout torque wrench
CN206216578U (en) * 2016-10-29 2017-06-06 沈阳中汽检测技术有限公司 Torque wrench
CN207027320U (en) * 2017-04-01 2018-02-23 青岛中青电子软件有限公司 Intelligent moment spanner
CN207666734U (en) * 2017-05-19 2018-07-31 河南省洛阳正骨医院 A kind of hip-joint repositioning device
CN207171897U (en) * 2017-09-18 2018-04-03 新疆维吾尔自治区送变电工程公司 A kind of anti-torque-indicating wrench of falling of novel high-altitude operation
CN208078050U (en) * 2018-03-05 2018-11-09 河南联合力达新能源科技有限公司 Cell safety anticollision device, collision-prevention device
CN108481241A (en) * 2018-04-13 2018-09-04 成都立创创新科技有限公司 A kind of Novel socket wrench

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