CN210307574U - Torque force display assembly of hydraulic wrench - Google Patents
Torque force display assembly of hydraulic wrench Download PDFInfo
- Publication number
- CN210307574U CN210307574U CN201920801471.0U CN201920801471U CN210307574U CN 210307574 U CN210307574 U CN 210307574U CN 201920801471 U CN201920801471 U CN 201920801471U CN 210307574 U CN210307574 U CN 210307574U
- Authority
- CN
- China
- Prior art keywords
- hydraulic wrench
- display screen
- driving shaft
- storage module
- torque
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a hydraulic wrench torsion display module, torsion inductor are fixed in on the circumference wall of hydraulic wrench drive shaft, and the installation casing is pegged graft on the terminal surface of hydraulic wrench drive shaft, and in display screen, zero return button, shift knob, singlechip and storage module all were fixed in the installation casing, torsion inductor, display screen, zero return button, shift knob and storage module all correspond and link to each other with the singlechip, and power module provides the electric energy for singlechip, storage module, display screen and torsion inductor. The utility model discloses can be so that the pressure that final spanner was applyed is accurately reflected at operation hydraulic pressure spanner in-process, reduced the high expense of product censorship, the height of its accuracy has reduced the time cost that personnel calculated simultaneously, and is convenient, also can avoid the hydraulic pressure spanner because the fracture danger that the atress is too big and produce simultaneously.
Description
The technical field is as follows:
the utility model relates to a hydraulic wrench torque force display module.
Background art:
the hydraulic wrench is one of the special devices at present, and is characterized by huge torque, which can reach hundreds of thousands of kilometers at most, and certain danger. At present, hydraulic wrench manufacturers on the market are more and have different specifications, so that the torque values of the hydraulic wrenches produced by each manufacturer and even each batch of the same manufacturer are different. The user often needs two steps to use to purchase hydraulic wrench at every turn, firstly need send to the torque detection mechanism and carry out the torque experiment to it, detects its specific output value, detects the height of expense, time cycle is of a specified duration. Secondly, the calculation is compared and calculated according to a formula or a table given by a manufacturer, the calculation is troublesome in use, recalculation is needed among different torques, and the labor time is consumed. Simultaneously, the torque of the hydraulic wrench is huge, and a user is not clear about the internal stress condition of the hydraulic wrench and is easy to break to cause danger.
The invention content is as follows:
the utility model provides a hydraulic wrench torsion display module, the utility model discloses can directly demonstrate its torsion change, great pressure is applyed just safe suitable in use, has reduced the security that improves the user of service operation when high cost, the manual calculation trouble of censorship.
The utility model discloses the technical scheme who adopts has: a torque force display assembly of a hydraulic wrench comprises a hydraulic wrench driving shaft, a torque force strain sheet, a mounting shell, a display screen, a zero returning button, a switch button, a single chip microcomputer, a storage module and a power module, wherein the torque force strain sheet is fixed on the circumferential wall of the hydraulic wrench driving shaft, the mounting shell is inserted on the end face of the hydraulic wrench driving shaft, the display screen, the zero returning button, the switch button, the single chip microcomputer and the storage module are all fixed in the mounting shell, the torque force strain sheet, the display screen, the zero returning button, the switch button and the storage module are correspondingly connected with the single chip microcomputer, and the power module provides electric energy for the single chip microcomputer, the storage module, the display screen and the torque force strain sheet;
the method comprises the steps of calibrating the metal deformation of a hydraulic wrench driving shaft, writing the numerical relationship between the deformation and the torque force value in the process of calibrating the hydraulic wrench driving shaft into a storage module, detecting the deformation generated in the use process of the hydraulic wrench driving shaft by a torque strain gauge, and displaying the numerical value of the torque force value corresponding to the generated deformation on a display screen by a singlechip.
Furthermore, a mounting plane is milled on the circumferential wall of the driving shaft of the hydraulic wrench, and the torsion strain gauge is fixed on the mounting plane through glue.
Furthermore, a second wire arranging hole is formed in the axial direction of the driving shaft of the hydraulic wrench in a first wire arranging hole in the radial direction of the mounting plane, and the first wire arranging hole is communicated with the second wire arranging hole.
Furthermore, the installation shell is connected with the driving shaft of the hydraulic wrench through a magnetic data line, a female head in the magnetic data line is fixed in the second flat cable hole and connected with the torque strain gauge, and a male head in the magnetic data line is fixedly installed on the installation shell and connected with the single chip microcomputer.
Furthermore, the mounting shell is made of aluminum alloy, a boss part is arranged on one side end face of the mounting shell and is inserted into the second flat cable hole, and a male head in the magnetic data cable is fixed in the boss part.
Further, be equipped with the installation cavity on the installation casing, the apron is fixed in on the terminal surface of installation casing and sealed with the installation cavity, is equipped with the mounting groove that is used for installing the display screen, returns zero button and shift knob on the apron, and singlechip, power and storage module all are fixed in the installation cavity of installation casing.
Furthermore, the torsion strain gauge is an LTSX-03 torsion strain gauge.
Further, the single chip microcomputer is of an LTDP-03 type.
The utility model discloses following beneficial effect has:
the utility model discloses can be so that the pressure that final spanner was applyed is accurately reflected at operation hydraulic pressure spanner in-process, reduced the high expense of product censorship, the height of its accuracy has reduced the time cost that personnel calculated simultaneously, and is convenient, also can avoid the hydraulic pressure spanner because the fracture danger that the atress is too big and produce simultaneously.
Description of the drawings:
fig. 1 is a structural diagram of the present invention.
Fig. 2 is an explosion diagram of the present invention.
Fig. 3 is a working principle diagram of the present invention.
Fig. 4 is a graph showing the relationship between the deformation and the torque force when the driving shaft of the hydraulic wrench is calibrated.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings.
As fig. 1 and fig. 2, the utility model relates to a hydraulic wrench torsion display subassembly, including hydraulic wrench drive shaft 1, torsion foil gage 2, installation casing 3, display screen 5, return to zero button 6, shift knob 7, a single-chip microcomputer, storage module and power module, torsion foil gage 2 is fixed in on the circumference wall of hydraulic wrench drive shaft 1, installation casing 3 is pegged graft on the terminal surface of hydraulic wrench drive shaft 1, display screen 5, return to zero button 6, shift knob 7, singlechip and storage module all are fixed in installation casing 3, torsion foil gage 2, display screen 5, return to zero button 6, shift knob 7 and storage module all correspond and link to each other with the singlechip, power module is the singlechip, storage module, display screen 5 and torsion foil gage 2 provide the electric energy.
With reference to fig. 3, the working principle of the present invention is:
the metal deformation calibration is carried out before each hydraulic wrench driving shaft 1 leaves a factory, and the metal deformation calibration of the hydraulic wrench driving shaft 1 is carried out through a torque calibration instrument. The relation between the deformation of the driving shaft and the torsion value is recorded in detail in the calibration process (see fig. 4), and after the calibration is completed, the numerical relation between the deformation and the torsion value in the calibration process of the driving shaft 1 of the hydraulic wrench is written into the storage module.
When in use, the high-precision torque strain gauge 2 is used for detecting the tiny deformation of the hydraulic wrench driving shaft 1 caused by stress when in use, and then the small deformation is converted into a corresponding torque value according to the deformation and the deformation degree thereof by the singlechip according to the data accessed in the storage module, and the torque value is displayed through the display screen 5.
The torsion strain gauge 2 adopts a torsion strain gauge with the type LTSX-03, the torsion precision grade can reach +/-3 per mill precision, and the precision is far higher than the precision of manual conversion in the past.
The single chip microcomputer is a single chip microcomputer with the model number of LTDP-03 produced by Nanjing Litter Hydraulic technical Limited company.
The on-off button 7 is used to turn the display assembly on and off, and the zero-back button 6 is used to zero the data on the display screen 5. The power module adopts the lithium cell power supply, conveniently changes the battery, convenient to use. The utility model discloses well zero-returning button 6, shift knob 7, display screen 5, storage module and power module are outsourcing spare, and its mounting structure and theory of operation are the well-known technology, so the utility model discloses no longer give unnecessary details to this part content.
In order to facilitate the installation of the torsion strain gauge 2, a mounting plane 10 is milled on the circumferential wall of the driving shaft 1 of the hydraulic wrench, and the torsion strain gauge 2 is fixed on the mounting plane 10 by glue.
In order to avoid exposing the connecting wire outside the hydraulic wrench driving shaft 1, a second wire arranging hole 12 is arranged in the radial direction of the mounting plane 10 and the axial direction of the hydraulic wrench driving shaft 1 at the first wire arranging hole 11, and the first wire arranging hole 11 is communicated with the second wire arranging hole 12.
The utility model provides an it is connected through magnetism to inhale the data line between installation casing 3 and the hydraulic wrench drive shaft 1, and the female head in the data line is inhaled to magnetism is fixed in second winding displacement hole 12, and female head links to each other with torsion foil gage 2, inhales on public first fixed mounting casing 3 in the data line, just public head links to each other with the singlechip.
The structure of data line is inhaled to magnetism is current well-known structure, so the utility model discloses no longer give unnecessary details to the structure of data line is inhaled to magnetism.
The mounting housing 3 and the hydraulic wrench driving shaft 1 in the invention can also be connected by the existing aviation plug for data connection.
The mounting shell 3 is made of aluminum alloy, the surface of the mounting shell is subjected to nickel plating and nitriding treatment, and the mounting shell has impact resistance and a compact structure, is convenient to disassemble and adapts to various working environments.
In order to protect the magnetic data line better, a boss part 8 is arranged on one side end face of the mounting shell 3, the boss part 8 is inserted into the second line hole 12, and a male head in the magnetic data line is fixed in the boss part 8.
Be equipped with the installation cavity on installation casing 3, apron 4 is fixed in on the terminal surface of installation casing 3 and sealed with the installation cavity, is equipped with the mounting groove that is used for installing display screen 5, return to zero button 6 and shift knob 7 on apron 4, and singlechip, power and storage module all are fixed in the installation cavity of installation casing 3.
When the hydraulic wrench is used, a threaded hole is formed in the mounting shell 3, and the mounting shell 3 is fixed on the hydraulic wrench through screws. The utility model has the advantages of no need of inspection or direct display of wrench torque force value through complicated manual conversion, simple operation, convenience and practicality, reduced inspection cost and greatly reduced manual time; the torque change that hydraulic wrench bore at the during operation can direct indication, suggestion personnel prevent the overload operation, have protected operating personnel's security.
The utility model provides a hydraulic wrench that is used for structure of torsion demonstration can all-purpose various specifications, model on the market, and the commonality is extensive.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a hydraulic wrench torque shows subassembly, includes hydraulic wrench drive shaft (1), its characterized in that: the hydraulic wrench is characterized by further comprising a torque strain gauge (2), an installation shell (3), a display screen (5), a zero returning button (6), a switch button (7), a single chip microcomputer, a storage module and a power module, wherein the torque strain gauge (2) is fixed on the circumferential wall of the hydraulic wrench driving shaft (1), the installation shell (3) is inserted on the end face of the hydraulic wrench driving shaft (1), the display screen (5), the zero returning button (6), the switch button (7), the single chip microcomputer and the storage module are all fixed in the installation shell (3), the torque strain gauge (2), the display screen (5), the zero returning button (6), the switch button (7) and the storage module are all correspondingly connected with the single chip microcomputer, and the power module provides electric energy for the single chip microcomputer, the storage module, the display screen (5) and the torque strain gauge (2); the method comprises the steps of calibrating the metal deformation of a hydraulic wrench driving shaft (1), writing the numerical relationship between the deformation and the torsion value in the calibration process of the hydraulic wrench driving shaft (1) into a storage module, detecting the deformation generated in the use process of the hydraulic wrench driving shaft (1) by a torsion strain gauge (2), and displaying the numerical value of the torsion value corresponding to the generated deformation on a display screen (5) by a single chip microcomputer.
2. A hydraulic wrench torque indicator assembly as claimed in claim 1, wherein: the circumferential wall of the hydraulic wrench driving shaft (1) is milled with a mounting plane (10), and the torsion strain gauge (2) is fixed on the mounting plane (10) through glue.
3. A hydraulic wrench torque indicator assembly as claimed in claim 2, wherein: the first wire arranging hole (11) in the radial direction of the mounting plane (10) is provided with a second wire arranging hole (12) in the axis direction of the hydraulic wrench driving shaft (1), and the first wire arranging hole (11) is communicated with the second wire arranging hole (12).
4. A hydraulic wrench torque indicator assembly as claimed in claim 3, wherein: the installation shell (3) is connected with a hydraulic wrench driving shaft (1) through a magnetic data line, a female head in the magnetic data line is fixed in a second line hole (12), the female head is connected with a torque strain gauge (2), and a male head in the magnetic data line is fixedly installed on the installation shell (3) and connected with a single chip microcomputer.
5. A hydraulic wrench torque indicator assembly as claimed in claim 4, wherein: the installation shell (3) is made of aluminum alloy, a boss part (8) is arranged on one side end face of the installation shell (3), the boss part (8) is inserted into the second wire arranging hole (12), and a male head in the magnetic data wire is fixed in the boss part (8).
6. A hydraulic wrench torque indicator assembly as claimed in claim 5, wherein: be equipped with installation cavity and apron (4) on installation casing (3), apron (4) are fixed in on the terminal surface of installation casing (3) and sealed the installation cavity, are equipped with the mounting groove that is used for installing display screen (5), return to zero button (6) and shift knob (7) on apron (4), and singlechip, power and storage module all are fixed in the installation cavity of installation casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801471.0U CN210307574U (en) | 2019-05-30 | 2019-05-30 | Torque force display assembly of hydraulic wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801471.0U CN210307574U (en) | 2019-05-30 | 2019-05-30 | Torque force display assembly of hydraulic wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210307574U true CN210307574U (en) | 2020-04-14 |
Family
ID=70141562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920801471.0U Active CN210307574U (en) | 2019-05-30 | 2019-05-30 | Torque force display assembly of hydraulic wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210307574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857652A (en) * | 2021-01-22 | 2021-05-28 | 南京力特液压技术有限责任公司 | Hydraulic wrench torque calibration method and device |
-
2019
- 2019-05-30 CN CN201920801471.0U patent/CN210307574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857652A (en) * | 2021-01-22 | 2021-05-28 | 南京力特液压技术有限责任公司 | Hydraulic wrench torque calibration method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101797737B (en) | Anti-vibration torque sensing and control device for tools | |
| CN102837283A (en) | Numerical-control constant-torque electric spanner | |
| CN112033595B (en) | Central shaft type inter-dimensional decoupling three-dimensional wireless passive sensor | |
| CN210307574U (en) | Torque force display assembly of hydraulic wrench | |
| CN201837490U (en) | Torsion sensor | |
| CN202886050U (en) | Process fluid pressure measuring system | |
| CN203680177U (en) | Digital-display torque-adjustable electric screw driver | |
| CN207071789U (en) | Electric screwdriver static torque sensor | |
| JPS614676A (en) | Controller for clamping torque of impulse wrench | |
| CN105973512B (en) | A kind of self-generating wireless transmission piezoelectric type torque dynamometer | |
| CN215920306U (en) | Clutch type power transmission device and torsion detection module thereof | |
| CN206365585U (en) | A kind of luggage hand handle with function of weighing | |
| CN215059236U (en) | Digital display type torsion multiplier | |
| CN202540196U (en) | Direct measurement type digital display torque spanner | |
| CN209197981U (en) | A kind of pressure gauge with pressure relief device | |
| CN210108597U (en) | Pressure test unit and pressure tester | |
| CN211904495U (en) | Special piezoelectric sensor for electronic product | |
| CN203455453U (en) | Oil pressure relay detection testing device | |
| CN207487860U (en) | Digitize static torque detecting system | |
| CN220408572U (en) | Can realize torque force spanner of synchronous detection of torsion value | |
| CN219998400U (en) | Mobile explosion-proof lithium battery power supply device | |
| CN221376916U (en) | Portable plum blossom contact pressure testing arrangement | |
| CN212674336U (en) | Intelligent wireless portable torque testing device | |
| CN220313198U (en) | Digital display mechanical torque wrench with communication function | |
| CN220794501U (en) | Diaphragm capsule manometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210624 Address after: 210000 2 / F, building 6, Huitong Creative Industry Park, 96 Shidai Avenue, Liuhe District, Nanjing City, Jiangsu Province Patentee after: Nanjing Lite Hydraulic Technology Co., Ltd Address before: 210000 Room 401, unit 3, building 17, Fangzhou garden, Xiongzhou street, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Mao Ronglei |