CN203551191U - Calibrating device for torque multiplier - Google Patents
Calibrating device for torque multiplier Download PDFInfo
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- CN203551191U CN203551191U CN201320687851.9U CN201320687851U CN203551191U CN 203551191 U CN203551191 U CN 203551191U CN 201320687851 U CN201320687851 U CN 201320687851U CN 203551191 U CN203551191 U CN 203551191U
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 26
- 238000010030 laminating Methods 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
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Abstract
The utility model discloses a calibrating device for a torque multiplier, relating to the field of metering calibration, and aiming at solving the problem that a calibrator in the prior art can not satisfy the requirement for rapid and accurate in-situ calibration. The calibrating device for the torque multiplier comprises a support, a torque loading mechanism and a torque measuring device, wherein the torque loading mechanism is arranged on the support and comprises a first leading screw which is vertically arranged and a first nut which is connected with the leading screw in a matched manner; and the torque measuring device comprises a first torque sensor and a second torque sensor, the first torque sensor is arranged coaxial with the first leading screw, the second torque sensor is fixed on the support and arranged coaxial with the first torque sensor, and the torque input end of the second torque sensor is arranged opposite to the torque output end of the first torque sensor. The calibrating device of the torque multiplier of the utility model is used for calibrating the torque multiplier.
Description
Technical field
The utility model relates to measurement and calibration technical field, relates in particular to a kind of torque multiplier calibrating installation.
Background technology
During modern industry is produced, especially in the production assembling and field erected process of wind power generating set, torque multiplier is widely used, and the quality that the precision of torque multiplier directly affects assembling and installs guarantees that the precision control of torque multiplier is to controlling high-strength bolt assembly quality and preventing security risk most important.And be a difficult point of magnitude tracing in mechanics metering because the calibration of torque multiplier is subject to input, output torque precision and the radially impact of uneven loading action, the calibration of torque multiplier always.
At present, the calibrating mode of torque multiplier mainly contains two kinds: a kind of is moment of torsion input mode using manual torque spanner as torque multiplier calibration process, and another kind is as the mode that loads moment of torsion input with hydraulic pressure, motor servo system.
In the above-mentioned mode that realizes torque multiplier calibration, utility model people finds that in prior art, at least there are the following problems: in described first kind of way, input torque precision is low, input operation is unstable, radially unbalance loading is difficult to avoid, and cannot meet the accuracy requirement of torque multiplier magnitude tracing; Second way overall arrangement is with high costs, and volume, compared with being inconvenient to move greatly, is had relatively high expectations to calibration laboratory site facility; To sum up, existing two kinds of calibrating modes can not meet fast, field calibration demand accurately.
Utility model content
Embodiment of the present utility model provides a kind of torque multiplier calibrating installation, makes that torque multiplier calibrating installation is more simple, practical, portable, deployment cost is lower.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of torque multiplier calibrating installation, comprising: support; Torque loading mechanism, described torque loading mechanism is arranged on described support, the first nut that described torque loading mechanism comprises the first leading screw of vertical setting and is connected with described the first leading screw, described the first nut is connected with described support, one end of described the first leading screw is provided with operating parts, and the other end is provided with Connection Block; Torque-measuring apparatus, described torque-measuring apparatus comprises the first torque sensor and the second torque sensor, described the first torque sensor and described the first leading screw coaxially arrange, the input end of described the first torque sensor is connected with described Connection Block, described the second torque sensor is fixed on described support and with described the first torque sensor and coaxially arranges, and the moment of torsion output terminal of the torque input end of described the second torque sensor and described the first torque sensor is oppositely arranged.
Further, described the first nut is connected with described support by frame plate, and described the first nut is fixed on described frame plate, and described frame plate and described support are bolted, on described frame plate, along first direction, offer slotted hole, described bolt is connected with described support through after described slotted hole.
Further, described Connection Block is provided with draw-in groove along second direction, and the input end of described the first torque sensor is arranged in described draw-in groove and can slides along described second direction, and described second direction is mutually vertical in same level with described first direction.
Further, the end that described the first leading screw is connected with described Connection Block is prism structure, described Connection Block comprises connection boss, described connection raised head face offers the mounting hole that can hold described prism structure, the external diameter of a circle of the diameter of described mounting hole and described prism structure adapts, the sidewall of described connection boss offers at least one pair of pin-and-hole, the axis of described pin-and-hole is vertical with the axis of described mounting hole, in described pin-and-hole, be equipped with bearing pin, the sidewall laminating of the prism structure of described bearing pin and described the first leading screw end.
Further, the end that described the first leading screw is connected with described Connection Block is along being circumferentially with annular groove, and the position of the corresponding described annular groove of sidewall of described connection boss offers threaded hole, is provided with stop screw in threaded hole.
Further, also comprise retroaction arm of force block, described retroaction arm of force block is arranged on described support, and described retroaction arm of force block is for stopping the retroaction arm of force of torque multiplier to be measured.
Preferably, the bottom of described support is provided with stable piece, in described stable piece, offers pilot hole, and described the second torque sensor is arranged in described pilot hole.
Further, described torque loading mechanism also comprises high pulling torque charger, described high pulling torque charger comprises horizontally disposed the second leading screw, on described the second leading screw, be equipped with the second nut, described the second leading screw is arranged on described support, and one end of described the second leading screw is provided with operating parts, also comprises afterburning lever, one end of described afterburning lever is connected with described the second nut, the prism structure clamping of the other end and described the first leading screw end.
Further, the end of described afterburning lever is provided with elongated slot, and described the second nut is provided with locating shaft, and described locating shaft is arranged in described elongated slot, on described the second nut, be equipped with guide pole, described guide pole two ends are fixed on described support and are parallel with described the second leading screw.
Alternatively, described operating parts is handwheel.
The torque multiplier calibrating installation that the utility model embodiment provides, when torque multiplier is calibrated, the input end of torque multiplier is fixedly connected with the output terminal of described the first torque sensor, the output terminal of torque multiplier is fixedly connected with the input end of described the second torque sensor, when the first leading screw is subject to loading used time of doing of moment of torsion, the moment of torsion being applied on the first leading screw will pass to the first torque sensor by Connection Block, so the input value of moment of torsion can draw by the first torque sensor Measurement accuracy, and the second torque sensor is placed in the output terminal of torque multiplier, so the output torque value of torque multiplier can measure by the second torque sensor accurately.Because the first torque sensor, the first leading screw and the second torque sensor coaxially arrange, and the moment of torsion output terminal of the torque input end of the second torque sensor and described the first torque sensor is oppositely arranged, can avoid like this in calibration operation process, because the effect of unbalance loading radially causes measurement result to have error, calibrate incredible problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment torque multiplier calibrating installation;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the part drawing of the Connection Block of the utility model embodiment torque multiplier calibrating installation;
Fig. 5 is the A-A cut-open view of Fig. 4;
Fig. 6 is the part drawing of the first leading screw of the utility model embodiment torque multiplier calibrating installation.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment torque multiplier calibrating installation is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
Term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
With reference to Fig. 1, Fig. 1 is a specific embodiment of torque multiplier calibrating installation in the utility model embodiment, torque multiplier calibrating installation in the present embodiment, comprise: support 1, be arranged at the torque loading mechanism 2 on described support 1, the first nut 22 that torque loading mechanism 2 comprises the first leading screw 21 of vertical setting and is connected with described the first leading screw 21, described the first nut 22 is connected with described support 1, one end of described the first leading screw 21 is provided with operating parts 23, and the other end is provided with Connection Block 24; Torque-measuring apparatus 3, described torque-measuring apparatus 3 comprises the first torque sensor 31 and the second torque sensor 32, described the first torque sensor 31 coaxially arranges with described the first leading screw 21, the input end of described the first torque sensor 31 is connected with described Connection Block 24, described the second torque sensor 32 is fixed on described support 1 and with described the first torque sensor 31 and coaxially arranges, and the moment of torsion output terminal of the torque input end of described the second torque sensor 32 and described the first torque sensor 31 is oppositely arranged.
The torque multiplier calibrating installation that the utility model embodiment provides, when torque multiplier 5 is calibrated, the input end of torque multiplier 5 is connected by the first shaft coupling 6 with the output terminal of described the first torque sensor 31, the output terminal of torque multiplier 5 is connected by the second shaft coupling 7 with the input end of described the second torque sensor 32, during measurement, by operating parts 23, load moment of torsion, when the first leading screw 21 is subject to loading used time of doing of moment of torsion, the moment of torsion being applied on the first leading screw 21 will pass to the first torque sensor 31 by Connection Block 24, therefore the input value of moment of torsion can draw by the first torque sensor 31 Measurement accuracies, because the second torque sensor 32 is placed in the output terminal of torque multiplier 5, therefore the output torque value of torque multiplier 5 can measure by the second torque sensor 32 accurately.Because the first torque sensor 31, the first leading screw 21 and the second torque sensor 32 coaxially arrange, and the moment of torsion output terminal of the torque input end of the second torque sensor 32 and described the first torque sensor 31 is oppositely arranged, can avoid like this in calibration operation process, because the effect of unbalance loading radially causes measurement result to have error, calibrate incredible problem.
With reference to Fig. 2, for convenient, the first leading screw 21, the first torque sensor 31 and torque multiplier 5 are carried out to same axial adjustment, can preferably the first nut 22 be connected with described support 1 by frame plate 25, the first nut 22 is fixed on frame plate 25, frame plate 25 is connected by bolt 252 with support 1, on described frame plate 25, along first direction, offer slotted hole 251, bolt 252 is connected with described support through described slotted hole 251 is rear.Frame plate 25 provides a space carrier can to the first nut 22, makes the first nut 22 can be placed in the central part of described support 1; Frame plate 25 is connected by bolt 252 with support 1, on frame plate 25, along first direction, offer slotted hole 251, bolt 252 is connected with described support 1 through described slotted hole 251 is rear, make thus the position of frame plate 25 to adjust with respect to support 1, when unclamping after described bolt 252, described frame plate 25 can move along described first direction, when frame plate 25 is moved to suitable position, more described bolt 252 is locked.Because the first leading screw 21 is arranged in the first nut 22, therefore the first leading screw 21 can be realized by the position of adjusting frame plate 25 along the position of described first direction, conveniently the first leading screw 21, the first torque sensor 31 and torque multiplier 5 is carried out to same axial adjustment.
With reference to Fig. 4, for convenient, in multiple directions, the first leading screw 21, the first torque sensor 31 and torque multiplier 5 are carried out to same axial adjustment, preferably on Connection Block 24, along second direction, draw-in groove 241 is set, the input end of the first torque sensor 31 is arranged in described draw-in groove 241 and can slides along described second direction, and described second direction is mutually vertical in same level with described first direction.Described the first torque sensor 31 can carry out position adjustment along described second direction thus, described second direction is mutually vertical in same level with described first direction, in the enterprising line position adjustment of orthogonal both direction, can easily torque loading mechanism 2 and torque-measuring apparatus 3 be adjusted on same axis.
With reference to Fig. 4, Fig. 5, Fig. 6, the end that described the first leading screw 21 is connected with described Connection Block 24 is prism structure 211, described Connection Block 24 comprises connection boss 242, described connection boss 242 end faces offer the mounting hole 245 that can hold described prism structure 211, the external diameter of a circle of the diameter of described mounting hole 245 and described prism structure 211 adapts, the sidewall of described connection boss 242 offers at least one pair of pin-and-hole 243, the axis of described pin-and-hole 243 is vertical with the axis of mounting hole 245, in described pin-and-hole 243, be equipped with bearing pin 244, described bearing pin 244 is fitted with the sidewall of the prism structure 211 of described the first leading screw 21 ends.
The end being connected with described Connection Block 24 due to described the first leading screw 21 is prism structure 211, fine stress point is provided therefore to the loading of moment of torsion; And due to the sidewall laminating effect of bearing pin 244 to described prism structure 211, when described the first leading screw 21 rotates, Connection Block 24 can and then rotate together, has realized the transmission of moment of torsion.Because the diameter of mounting hole 245 and the external diameter of a circle of prism structure 211 adapt, therefore when described bearing pin 244 is extracted in pin-and-hole 243, the first leading screw 21 can circumferentially rotate with respect to described Connection Block 24, like this in position adjustment, when the first leading screw 21 rotates to correct position, the draw-in groove 241 of Connection Block 24 can be towards the direction of being convenient to described the first torque multiplier 31 and pushing.
Further, with reference to Fig. 4, Fig. 5, Fig. 6, the end that described the first leading screw 21 is connected with described Connection Block 24 is along being circumferentially with annular groove 212, and the position of the corresponding described annular groove 212 of sidewall of described connection boss 242 offers threaded hole 246, is provided with stop screw 245 in threaded hole 246.Because stop screw 245 can directly be deep in annular groove 212, so the first leading screw 21 is defined with respect to the axial displacement of Connection Block 24, guaranteed extracting after bearing pin 244, the first leading screw 21 can only do the rotation with respect to Connection Block 24, therefore can effectively prevent that Connection Block 24 from coming off.
For the ease of a retroaction fulcrum being provided to the torque multiplier 5 being calibrated, with reference to Fig. 1, also comprise retroaction arm of force block 4, described retroaction arm of force block 4 is arranged on described support 1, and described retroaction arm of force block 4 is for stopping the retroaction arm of force of torque multiplier to be measured.The design of retroaction arm of force block 4 is to provide a retroaction fulcrum to the retroaction arm of force 51 of the torque multiplier 5 being calibrated.
Preferably, with reference to Fig. 1, the bottom of described support 1 is provided with stablizes piece 11, in described stable piece 11, offers pilot hole, and described the second torque sensor 32 is arranged in described pilot hole.The stable piece 11 that support 1 bottom arranges plays the effect of firm balance to whole device, in described stable piece 11, offer pilot hole, described the second torque sensor 32 is arranged in described pilot hole, due to the snap action of described pilot hole and described the second torque sensor 32, therefore the second torque sensor 32 is circumferentially fixing with respect to whole support 1, the second torque sensor 32 also can take out easily in described pilot hole simultaneously, easy installation and removal.
With reference to Fig. 1, Fig. 2, Fig. 3, in order to realize the more loading of high pulling torque, described torque loading mechanism 2 also comprises high pulling torque charger 26, described high pulling torque charger 26 comprises horizontally disposed the second leading screw 261, on described the second leading screw 261, be equipped with the second nut 262, described the second leading screw 261 is arranged on described support 1, one end of described the second leading screw 261 is provided with operating parts 23, also comprise afterburning lever 264, one end of described afterburning lever 264 is connected with described the second nut 262, prism structure 211 clampings of the other end and described the first leading screw 21 ends.
High pulling torque charger 26 provides other a set of torque loading mechanism to calibrating installation, during calibration, need to apply the moment of torsion with different sizes to torque multiplier 5, measure the parameter under its effect that loads moment of torsion in difference, like this, input torque is more accurate, credible to the calibration of torque multiplier 5 within the specific limits.For the calibration of the torque multiplier of larger specifications and models, need larger moment of torsion input in addition, like this, the torque multiplier being beneficial to different size model that is designed with of high pulling torque charger 26 is calibrated.By described operating parts 23, can make described the second leading screw 261 rotate.One end of afterburning lever 264 is connected with the second nut 262, prism structure 211 clampings of the other end and described the first leading screw 261 ends, thus, the second nut 262 can drive afterburning lever 264 to rotate around afterburning lever 264 and the card contact of prism structure 211 along the straight-line displacement of the second leading screw 261, afterburning lever 264 is equivalent to a dial torque wrench acting on prism structure 211 with the joint end of prism structure 211, the length of afterburning lever is for providing the arm of force of moment of torsion, and therefore the rotation of afterburning lever can conveniently impose larger moment of torsion to described the first leading screw.
Further, the end of described afterburning lever 264 is provided with elongated slot 2641, described the second nut 262 is provided with locating shaft 2621, described locating shaft 2621 is arranged in described elongated slot 2641, on described the second nut 262, be equipped with guide pole 265, described guide pole 265 two ends are fixed on described support 1 and are parallel with the second leading screw 261.
Because the second nut 262 is done straight-line displacement along the second leading screw 261, and described afterburning lever 264 rotates around the first leading screw 261, afterburning lever 264 is not tensile rigid lever, and the design of elongated slot 2641 can make afterburning lever 264 can have certain relative displacement with the second nut 262 in the process of rotating.The effect of guide pole 265 is: on the one hand for the displacement of the second nut 262 provides a straight-line guidance, can prevent that on the other hand the second nut 262 is along with described the second leading screw 261 rotates together, thereby make the second nut 262 can only be along the direction translation of described guide pole.
Preferably, operating parts 23 can be used multiple manual operation part, as handwheel, handle, handle etc., for the ease of the application of force, preferably use handwheel, mechanism being applied in the process of moment of torsion, handwheel is the means of comparatively commonly using, and its advantage is that input torque stablizes, takes up room little, is convenient to people's manual manipulation.
In the description of this instructions, specific features, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. a torque multiplier calibrating installation, is characterized in that, comprising:
Support;
Torque loading mechanism, described torque loading mechanism is arranged on described support, the first nut that described torque loading mechanism comprises the first leading screw of vertical setting and is connected with described the first leading screw, described the first nut is connected with described support, one end of described the first leading screw is provided with operating parts, and the other end is provided with Connection Block;
Torque-measuring apparatus, described torque-measuring apparatus comprises the first torque sensor and the second torque sensor, described the first torque sensor and described the first leading screw coaxially arrange, the input end of described the first torque sensor is connected with described Connection Block, described the second torque sensor is fixed on described support and with described the first torque sensor and coaxially arranges, and the moment of torsion output terminal of the torque input end of described the second torque sensor and described the first torque sensor is oppositely arranged.
2. torque multiplier calibrating installation according to claim 1, it is characterized in that, described the first nut is connected with described support by frame plate, described the first nut is fixed on described frame plate, described frame plate and described support are bolted, on described frame plate, along first direction, offer slotted hole, described bolt is connected with described support through after described slotted hole.
3. torque multiplier calibrating installation according to claim 2, it is characterized in that, described Connection Block is provided with draw-in groove along second direction, the input end of described the first torque sensor is arranged in described draw-in groove and can slides along described second direction, and described second direction is mutually vertical in same level with described first direction.
4. torque multiplier calibrating installation according to claim 1, it is characterized in that, the end that described the first leading screw is connected with described Connection Block is prism structure, described Connection Block comprises connection boss, described connection raised head face offers the mounting hole that can hold described prism structure, the external diameter of a circle of the diameter of described mounting hole and described prism structure adapts, the sidewall of described connection boss offers at least one pair of pin-and-hole, the axis of described pin-and-hole is vertical with the axis of described mounting hole, in described pin-and-hole, be equipped with bearing pin, the sidewall laminating of the prism structure of described bearing pin and described the first leading screw end.
5. torque multiplier calibrating installation according to claim 1, it is characterized in that, the end that described the first leading screw is connected with described Connection Block is along being circumferentially with annular groove, and the position of the corresponding described annular groove of sidewall of described connection boss offers threaded hole, is provided with stop screw in threaded hole.
6. torque multiplier calibrating installation according to claim 1, it is characterized in that, also comprise retroaction arm of force block, described retroaction arm of force block is arranged on described support, and described retroaction arm of force block is for stopping the retroaction arm of force of torque multiplier to be measured.
7. torque multiplier calibrating installation according to claim 1, is characterized in that, the bottom of described support is provided with stable piece, in described stable piece, offers pilot hole, and described the second torque sensor is arranged in described pilot hole.
8. torque multiplier calibrating installation according to claim 1, it is characterized in that, torque loading mechanism also comprises high pulling torque charger, described high pulling torque charger comprises horizontally disposed the second leading screw, on described the second leading screw, be equipped with the second nut, described the second leading screw is arranged on described support, one end of described the second leading screw is provided with operating parts, also comprise afterburning lever, one end of described afterburning lever is connected with described the second nut, the prism structure clamping of the other end and described the first leading screw end.
9. torque multiplier calibrating installation according to claim 8, it is characterized in that, the end of described afterburning lever is provided with elongated slot, described the second nut is provided with locating shaft, described locating shaft is arranged in described elongated slot, on described the second nut, be equipped with guide pole, described guide pole two ends are fixed on described support and are parallel with described the second leading screw.
10. according to the torque multiplier calibrating installation described in any one in claim 1～9, it is characterized in that, described operating parts is handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687851.9U CN203551191U (en) | 2013-11-04 | 2013-11-04 | Calibrating device for torque multiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687851.9U CN203551191U (en) | 2013-11-04 | 2013-11-04 | Calibrating device for torque multiplier |
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| Publication Number | Publication Date |
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| CN203551191U true CN203551191U (en) | 2014-04-16 |
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| CN201320687851.9U Expired - Lifetime CN203551191U (en) | 2013-11-04 | 2013-11-04 | Calibrating device for torque multiplier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089732A (en) * | 2014-08-01 | 2014-10-08 | 昆山市创新科技检测仪器有限公司 | Novel torque detection instrument |
| CN104406877A (en) * | 2014-12-04 | 2015-03-11 | 天津市计量监督检测科学研究院 | Portable force value loaded detection device |
| CN106826655A (en) * | 2017-03-20 | 2017-06-13 | 无锡市翱宇特新科技发展有限公司 | A kind of accurately safe torque multiplier |
| CN109506833A (en) * | 2018-11-26 | 2019-03-22 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of structure and its calibration method using detecting device for determining torque of spanner calibration torque multiplier |
| CN117516776A (en) * | 2023-12-08 | 2024-02-06 | 阿米检测技术有限公司 | Torque calibration device for torque multiplier |
-
2013
- 2013-11-04 CN CN201320687851.9U patent/CN203551191U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089732A (en) * | 2014-08-01 | 2014-10-08 | 昆山市创新科技检测仪器有限公司 | Novel torque detection instrument |
| CN104406877A (en) * | 2014-12-04 | 2015-03-11 | 天津市计量监督检测科学研究院 | Portable force value loaded detection device |
| CN106826655A (en) * | 2017-03-20 | 2017-06-13 | 无锡市翱宇特新科技发展有限公司 | A kind of accurately safe torque multiplier |
| CN109506833A (en) * | 2018-11-26 | 2019-03-22 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of structure and its calibration method using detecting device for determining torque of spanner calibration torque multiplier |
| CN117516776A (en) * | 2023-12-08 | 2024-02-06 | 阿米检测技术有限公司 | Torque calibration device for torque multiplier |
| CN117516776B (en) * | 2023-12-08 | 2024-05-28 | 阿米检测技术有限公司 | Torque calibration device for torque multiplier |
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Granted publication date: 20140416 |