CN202793684U - Self-centering torque calibrating device - Google Patents
Self-centering torque calibrating device Download PDFInfo
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- CN202793684U CN202793684U CN 201220467504 CN201220467504U CN202793684U CN 202793684 U CN202793684 U CN 202793684U CN 201220467504 CN201220467504 CN 201220467504 CN 201220467504 U CN201220467504 U CN 201220467504U CN 202793684 U CN202793684 U CN 202793684U
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Abstract
The utility model relates to a self-centering torque calibrating device, which comprises a tension arm (1), a support rod (2), a key slot locking component (4), a calibration weight and an angle adjusting component, wherein the tension arm (1) is fixedly connected with the support rod (2) through a triangular connecting piece; the calibration weight is suspended on the tension arm (1); the bottom of the support rod (2) is provided with a triangular self-centering area; a rotating shaft test end of a torque tester is fixed in the triangular self-centering area of the support rod (2) through the key slot locking component (4); and the rotating shaft load end of the torque tester is fixed inside the angle adjusting component. The self-centering torque calibrating device disclosed by the utility model is simple in structure, safe and firm, convenient to detach and wide in suitability.
Description
Technical field
The utility model relates to torque calibration field, relates in particular a kind of self-centering torque calibrating installation of torque tester.
Background technology
Torsion testing machine, torque rotary speed tester, magnetic hysteresis dynamometer machine and electric eddy current dynamometer (hereinafter to be referred as torque tester) are in light industry and machinery, electromechanics trade, have a wide range of applications such as micro-machine, electric tool, electric motor car manufacturing plant etc., being mainly used in torque and conversion efficiency under the testing of electric motors rated power, is quality control and crucial detection testing equipment thereof.These equipment are as measurement instrument, and all will carry out period regulation every year, and according to national verification rules or calibrating standard, basic calibration steps is " arm of force * counterweight ".But the torque tester that most enterprises purchase in the reality does not generally dispose or matches the special-purpose arm of force and the counterweight that part is used for calibration by some enterprise.Because torque tester manufacturing enterprise is many, description series is many, can't assort the special-purpose arm of force of each the specification torque tester calibration that is applicable to each factory's production in the reality, like this so that the calibration of the torque tester of practical application is very inconvenient, thereby be difficult to guarantee the precision of torque testing.
Summary of the invention
The utility model proposes a kind of self-centering torque calibrating installation based on above-mentioned technical matters, can be widely used in the torque of various torque testers calibration, but simple to operate and generalization is strong.
Self-centering torque calibrating installation concrete scheme provided by the utility model is as follows:
A kind of self-centering torque calibrating installation, comprise the arm of force 1, support bar 2, keyway locking member 4 and calibrating weight, the described arm of force 1 is fixedly connected on the described support bar 2, described calibrating weight hangs on the described arm of force 1, the bottom of described support bar 2 has triangle self-centering zone, is fixed in the triangle self-centering zone of described support bar 2 by the rotating shaft test lead of described keyway locking member 4 with torque tester.
Further according to device described in the utility model, the well-regulated triangle openwork part of the wherein said arm of force 1 and support bar 2 processing, and be embedded in simultaneously the triangle openwork part on the arm of force 1 and the support bar 2 and the arm of force 1 and support bar 2 are fixed together by a triangle connection element 3.
Further according to device described in the utility model, the wherein said arm of force 1 is connected perpendicular connection with support bar, described calibrating weight by the hook vertical hanging in the described arm of force 1.
Further according to device described in the utility model, the triangle self-centering zone of wherein said support bar 2 bottoms is made of the triangle openwork part of wherein processing.
Further according to device described in the utility model, wherein said keyway locking member 4 comprises keyway clamping screw 6 and keyway latch segment 7, and described keyway latch segment 7 is connected to described rotating shaft test lead.
Further according to device described in the utility model, wherein said device further includes angle regulating equipment, and described angle regulating equipment is fixedly connected on the rotating shaft load end of torque tester, is used for adjusting the horizontality of the arm of force 1.
Further according to device described in the utility model, wherein said angle regulating equipment comprises self-centering triangle part 8, angle adjustment lever 9, angle adjustable bolt 10 and keyway clamping screw 11, wherein self-centering triangle part 8 is bolted in angle adjustment lever 9 tops, and by keyway clamping screw 11 the rotating shaft load end of torque tester is clamped between self-centering triangle part 8 and the angle adjustment lever 9, angle adjustable bolt 10 is used for adjusting the level angle of angle adjustment lever 9, elasticity coupling shaft by torque tester inside, change the horizontality of the arm of force 1, guarantee that the gravity direction of the arm of force and calibrating weight is perpendicular.
Self-centering torque calibrating installation described in the utility model has following technique effect:
1) wide adaptability, diameter Ф is all kinds of rotating shafts below 55, no matter be singly-bound, two key or spline form coupling shaft all available self-centering torque calibrating installation described in the utility model carry out the torque calibration, solved the difficulty that the configuration of metering detection department is difficult, configuration is uneven.
2) self-centering torque calibrating installation described in the utility model is simple in structure, safety firmly, but disassembled simply and assembling are easy to carry, are fit to on-the-spot the use, are conducive to cooperating between testing staff and the enterprise, have more embodied authenticity and the reliability of testing process.
Description of drawings
Fig. 1 (a) is the arm structure in the self-centering torque calibrating installation described in the utility model;
Fig. 1 (b) is the supporting bar structure in the self-centering torque calibrating installation described in the utility model;
Fig. 1 (c) is the triangle connection element in the self-centering torque calibrating installation described in the utility model;
Fig. 1 (d) is the keyway locking member in the self-centering torque calibrating installation described in the utility model;
Fig. 1 (e) applies parts for the counterweight in the self-centering torque calibrating installation described in the utility model;
Fig. 1 (f) is the angle regulating equipment in the self-centering torque calibrating installation described in the utility model;
Fig. 2 (a) is installed on the synoptic diagram of the rotating shaft test lead of torque tester for self-centering torque calibrating installation described in the utility model;
Fig. 2 (b) is installed on the synoptic diagram of the rotating shaft load end of torque tester for self-centering torque calibrating installation described in the utility model.
The Reference numeral implication is as follows among the figure:
The 1-arm of force, 2-support bar, 3-triangle connection element, 4-keyway locking member, 5-rotating shaft, 6-keyway clamping screw, 7-keyway latch segment, 8-self-centering triangle part, 9-angle adjustment lever, 10-angle adjustable bolt, 11-keyway clamping screw
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described in detail, but protection domain of the present utility model is not limited to this.
Such as accompanying drawing 1(a)-(f) and accompanying drawing 2(a)-(b) shown in, self-centering torque calibrating installation described in the utility model comprises the arm of force 1, support bar 2, triangle connection element 3, keyway locking member 4, angle regulating equipment and counterweight apply parts, wherein the arm of force 1 and support bar 2 adopt the stainless steel manufacturing, design and warp are cut into the regular triangle of hollow out, preferably can connect by triangle connection element 3 between the arm of force 1 and the support bar 2, wherein the hollow out triangular portions that can pass simultaneously on the arm of force 1 and the support bar 2 of triangle connection element 3 is fixed together the arm of force 1 and support bar 2, such as accompanying drawing 2(a) shown in, triangle connection element 3 has the three-legged structure shape corresponding with hollow out triangle on the arm of force and the support bar, and be embedded in simultaneously in the hollow out triangle of the arm of force and support bar, and use screw, packing ring pins and prevents from skidding off and prevent breaking away between the arm of force and support bar, further the arm of force 1 can be installed in a plurality of positions on support bar 2, as long as change the position of inlaying of triangle connection element 3, the distance of top and support bar 2 symcenter of the inverted triangle on the arm of force 1 is generally 300mm～500mm, mix standard test weight, can be combined into the standard torque of 1～10 series.The frame engraved structure has also alleviated weight except not yielding.Described keyway locking member 4 comprises keyway clamping screw 6 and keyway latch segment 7, and described counterweight applies parts and comprises hook and counterweight, and described hook can hang over the diverse location of the arm of force 1, cooperates different standard test weights, can form the standard torque of a plurality of series.Described angle regulating equipment comprises self-centering triangle part 8, angle adjustment lever 9, angle adjustable bolt 10 and keyway clamping screw 11, the triangle part 8 of wherein feeling relieved is bolted in angle adjustment lever 9 tops, and by keyway clamping screw 11 rotating shaft of torque tester is clamped in therebetween, can adjust the level angle of angle adjustment lever 9 by angle adjustable bolt 10, elasticity coupling shaft by torque tester inside, change the horizontality of the arm of force 1, guarantee that the gravity direction of the arm of force and calibrating weight is perpendicular.
Below the method for using self-centering torque calibrating installation described in the utility model that the torque of torque tester is calibrated is described:
Install: during use as shown in Figure 2, at first the arm of force 1 vertically is fixed on the support bar 2 by triangle connection element 3, then the Delta Region with support bar 2 bottoms is enclosed within torque tester front end rotating shaft 5(test lead) on, with the keyway latch segment 7 butt rotating shafts 5 in the keyway locking member 4, and selection and the corresponding keyway clamping screw 6 of the width of keyway rotating shaft 5 that is tightened, load onto angle regulating equipment in torque tester rear end rotating shaft (load end), being about to the rear end rotating shaft inserts between self-centering triangle part 8 and the angle adjustment lever 9, and screw by keyway clamping screw 11, thereby the rear end rotating shaft is fixed between self-centering triangle part 8 and the angle adjustment lever 9, the range finding display part of torque tester is installed at the center section of described front end rotating shaft and rear end rotating shaft.Make the arm of force 1 be in horizontality by adjusting angle adjusting bolt 10 and (observe bubble and scale, because described rotating shaft is linearity, therefore the adjusting of angle adjustable bolt 10 so that the rotating shaft rear end rotate with respect to reference surface, and then by the rotation of rotating shaft drive rotating shaft front end, finally drive the arm of force 1 rotation).
Load: by the requirement of calibration locked-in torque value, standard test weight is linked up with and is put in hitch point suspention at the arm of force 1, this moment is because the torque that the Weight gravity effect produces changes the horizontality of the arm of force 1, for ease of calculating the standard torque, make the arm of force 1 again be in horizontality by angle adjustable bolt 10 again, standard torque this moment loads to be finished, it is long-pending with respect to the sway brace displacement with hook that the standard torque numerical value that loads is counterweight weight, record simultaneously the indicating value on the torque tester, and carry out the calibration of torque by the standard torque value of relatively this indicating value and loading.For a plurality of standard torques, repeat above-mentioned load step, finish whole calibration process.
The self-centering torque calibration arm of force described in the utility model, be mainly used in the torque calibration of torsion testing machine, torque rotary speed tester, magnetic hysteresis dynamometer machine and electric eddy current dynamometer (hereinafter to be referred as torque tester), and installing and fixing between rotating shaft, adopted three-legged structure to have self-centering action, fastening by the keyway clamping screw, be applicable to the installation of diameter Ф all kinds of singly-bounds below 55, two key or spline form coupling shaft.The keyway clamping screw is a series, and the bolt head diameter dimension is consistent with width of keyway according to national standard.The effect of support bar is the fixedly arm of force and rotating shaft not only, is the suspension slot milling of counterweight simultaneously.
Below only be that preferred implementation of the present utility model is described; the technical solution of the utility model is not limited to this; the any known distortion that those skilled in the art do on the basis of major technique design of the present utility model all belongs to the claimed technology category of the present invention; also can adopt as described therein other connected modes, described angle regulating equipment also can omit between the arm of force and the support bar; etc. these all belong to technology category of the present utility model, the concrete protection domain of the utility model is as the criterion with the record of claims.
Claims (7)
1. self-centering torque calibrating installation, comprise the arm of force (1), support bar (2), keyway locking member (4) and calibrating weight, it is characterized in that, the described arm of force (1) is fixedly connected on the described support bar (2), described calibrating weight hangs on the described arm of force (1), the bottom of described support bar (2) has triangle self-centering zone, is fixed in the triangle self-centering zone of described support bar (2) by the rotating shaft test lead of described keyway locking member (4) with torque tester.
2. device according to claim 1, it is characterized in that, the well-regulated triangle openwork part of the wherein said arm of force (1) and support bar (2) processing, and be embedded in simultaneously the triangle openwork part on the arm of force (1) and the support bar (2) and the arm of force (1) and support bar (2) are fixed together by a triangle connection element (3).
3. device according to claim 2 is characterized in that, the described arm of force (1) is connected 2 with support bar) perpendicular connection, described calibrating weight is by linking up with vertical hanging in the described arm of force (1).
4. device according to claim 2 is characterized in that, the triangle self-centering zone of described support bar (2) bottom is made of the triangle openwork part of wherein processing.
5. each described device is characterized in that according to claim 1-4, and described keyway locking member (4) comprises keyway clamping screw (6) and keyway latch segment (7), and described keyway latch segment (7) is connected to described rotating shaft test lead.
6. each described device is characterized in that according to claim 1-4, and described device further includes angle regulating equipment, and described angle regulating equipment is fixedly connected on the rotating shaft load end of torque tester, is used for adjusting the horizontality of the arm of force (1).
7. device according to claim 6, it is characterized in that, described angle regulating equipment comprises self-centering triangle part (8), angle adjustment lever (9), angle adjustable bolt (10) and keyway clamping screw (11), wherein self-centering triangle part (8) is bolted in angle adjustment lever (9) top, and by keyway clamping screw (11) the rotating shaft load end of torque tester is clamped between self-centering triangle part (8) and the angle adjustment lever (9), angle adjustable bolt (10) is used for adjusting the level angle of angle adjustment lever (9), elasticity coupling shaft by torque tester inside, change the horizontality of the arm of force (1), guarantee that the gravity direction of the arm of force and calibrating weight is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220467504 CN202793684U (en) | 2012-09-14 | 2012-09-14 | Self-centering torque calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220467504 CN202793684U (en) | 2012-09-14 | 2012-09-14 | Self-centering torque calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793684U true CN202793684U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220467504 Expired - Fee Related CN202793684U (en) | 2012-09-14 | 2012-09-14 | Self-centering torque calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699008A (en) * | 2016-02-25 | 2016-06-22 | 重庆长安汽车股份有限公司 | Device for disposing weights and moment arms of dynamometer marking instrument |
| CN111289733A (en) * | 2020-03-29 | 2020-06-16 | 深圳天溯计量检测股份有限公司 | Calibration method for rotor-free vulcanizer torque calibrator |
-
2012
- 2012-09-14 CN CN 201220467504 patent/CN202793684U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699008A (en) * | 2016-02-25 | 2016-06-22 | 重庆长安汽车股份有限公司 | Device for disposing weights and moment arms of dynamometer marking instrument |
| CN105699008B (en) * | 2016-02-25 | 2018-04-03 | 重庆长安汽车股份有限公司 | A kind of counterweight, device of the arm of force for being used to place dynamometer machine marking apparatus |
| CN111289733A (en) * | 2020-03-29 | 2020-06-16 | 深圳天溯计量检测股份有限公司 | Calibration method for rotor-free vulcanizer torque calibrator |
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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 |
Granted publication date: 20130313 Termination date: 20140914 |
|
| EXPY | Termination of patent right or utility model |