CN202057445U - Torque detector - Google Patents
Torque detector Download PDFInfo
- Publication number
- CN202057445U CN202057445U CN2011200705199U CN201120070519U CN202057445U CN 202057445 U CN202057445 U CN 202057445U CN 2011200705199 U CN2011200705199 U CN 2011200705199U CN 201120070519 U CN201120070519 U CN 201120070519U CN 202057445 U CN202057445 U CN 202057445U
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- torque
- force
- moment
- arm
- torsion
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a torque detector, comprising a torque input component (6), a torque display component (21), a torque detection component and a seat frame fixing the forementioned components, wherein the torque detection component comprises a driving moment arm (5) coaxially sleeved to the torque input component (6) and rotating along with the torch input component (6); and a torque conversion test cylinder (8) respectively connected to the driving moment arm (5) and the torque display component (21). The driving moment arm (5) inputs the angular displacement thereof to the torque conversion test cylinder (8), and the torque conversion test cylinder (8) converts the angular displacement and outputs a displacement value to the torque display component (21) for displaying the torque detection value. The utility model solves the problem that a torque more than 3000Nm can not be accurately detected, which is generally existed at home and abroad.
Description
Technical field
The utility model relates to and is used for the torsion-testing equipment of a kind of 100Nm to 1000KNm, particularly a kind of torque tester is applicable to hydraulic torque wrench, aerodynamic moment spanner, electric torque spanner, manually dial torque wrench and torque multiplier etc. can be set the detection and the demarcation of the moment of torsion output of the instrument of output torque and equipment.
Background technology
In current commercial unit, the key components and parts of a lot of device product, especially Large-Scale Equipments, equipment connects and all uses the bolt and nut connected mode, so that maintenance in the future, maintenance.For example: steam power plant, hydro-electric power generating equipment, nuclear power generating equipment, wind power generating set equipment, metallurgical equipment, mining equiment, shipbuilding equipment, petrochemical equipment or the like all has thousands of large-scale bolt to be used for the connection of its key components and parts, these bolts all need according to the design technology requirement, use can be exported the hydraulic torque wrench of amount moment of torsion, the aerodynamic moment spanner, the electric torque spanner, manually pine is tightened and torn open to dial torque wrench or torque multiplier, with guarantee to the pretightning force of individual coupling bolt try one's best identical, guarantee that equipment component is by effectively, safety, connect reliably.But it is that the torque setting of these torque tools or equipment all is that Theoretical Calculation is come out when dispatching from the factory by producer or demarcate factory-said value by external torque sensor, after China has used a period of time, cannot demarcate again at home, cause the bolted moment of torsion of parts of domestic a lot of key equipments to connect inefficacy.When serious, can cause the chemical plant to leak blast, oil depot leakage pollution, the aerogenerator accident of collapsing or the like.The demarcation of the actual torque of its torque tool or equipment and detection never have a kind of reliable and stable torsion-testing instrument at home.The torque tester of the utility model patent has solved a great problem that exists in the present domestic industry industry effectively.
Exist in the world at present torque tester use an elastomeric elasticity coefficient, calculate the moment of torsion that acts on the elastic body according to corresponding deflection again.Elastic body is after using certain hour like this, because factors such as fatigue deformations, certain variation can take place in elasticity coefficient, so the moment of torsion of being surveyed is in the different lifetime stage of equipment, measure the moment of torsion that comes and be not quite similar, need after the certain hour section, demarcate again.
The China and even the whole world all are used for various heavy industry in the weight equipment of greatly developing at present, especially industries such as the nuclear power of new energy field, wind-power electricity generation.In the total process of assembling of blower fan, how bolt guarantees that by the work that moment of torsion tights a bolt of deciding of industrial requirements correct screw-down torque value is a difficult problem always.One screw-down torque value on the bolt is incorrect, just may cause equipment failure, even whole blower fan collapse (the domestic many cases blower fan that taken place collapses).It is installed, and nut quantity is many, and torque precision requires high, has become a bottleneck that is difficult to break through of blower fan general assembly work.
In sum, the problem that mainly exists of prior art is: 1, whether the factory-said value of the torque tool equipment of Gou Maiing correctly cannot be verified; 2, after torque tool equipment used certain hour, whether the torque value of setting still correctly cannot be demarcated, and has become a bottleneck that is difficult to break through of industrial trade bolt assembly working.
The utility model content
For overcoming the deficiency of above-mentioned prior art, the technical problems to be solved in the utility model provides a kind of torque tester.Use this instrument, can detect and demarcate: hydraulic torque wrench, aerodynamic moment spanner, electric torque spanner, manual dial torque wrench and torque multiplier etc. can be set the instrument and the real moment of torsion output valve of equipment of output torque.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of torque tester comprises moment of torsion input block, moment of torsion display unit, moment of torsion detection part and the fixing mounting of above-mentioned parts,
Described moment of torsion detection part comprises:
Drive the arm of force, this drives the arm of force with the coaxial socket of moment of torsion input block, and answers the rotation of moment of torsion input block and the one rotation;
With goes through torque conversion test cylinder, this goes through torque conversion test cylinder is connected with the moment of torsion display unit with the driving arm of force respectively, drive the arm of force and import its angular displacement to goes through torque conversion test cylinder, by the conversion of goes through torque conversion test cylinder, export a detected value to the moment of torsion display unit to show the moment of torsion detected value.
Further, the described driving arm of force, moment of torsion input block connect by spline.
Further, described goes through torque conversion test cylinder comprises a round end, and corresponding junction is a concave spherical surface in arm of force with driving for it, and this round end and the described driving arm of force are fixed by a split pin, and this split pin is answered described driving arm of force rotation and the one rotation.
Further, described goes through torque conversion test cylinder is a hydraulic piston mechanism.
Further, described goes through torque conversion test cylinder is connected by a connecting pipe with described moment of torsion display.
Further, described mounting comprises that also the spring bearing and the driving arm of force slide up and down bearing, and the described driving arm of force slides up and down bearing by the aforementioned driving arm of force and connects with spring bearing.
Further, described goes through torque conversion test cylinder interior is provided with liquid and the piston that produces pressure, links to each other with the moment of torsion input block by driving the arm of force on the piston, and shows conversion equipment with the pressure that display device links to each other.
Further, described torque tester also comprises a correcting unit, described correcting unit comprise described arm of force angle indication pointer and with the pointer backplate index dial of display pointer deflection angle, arm of force angle indication pointer by thread spindle with drive the arm of force and be connected, with demonstration arm of force deviation angle.
Compared with prior art, the beneficial effects of the utility model are:
The utility model torque tester has been realized the survey that convenience is correct and has been demarcated instrument and the real moment of torsion output valve of equipment that hydraulic torque wrench, aerodynamic moment spanner, electric torque spanner, manual dial torque wrench and torque multiplier etc. can be set output torque by structure mechanical, hydraulic pressure;
The utility model drives the arm of force and is connected by spline with the moment of torsion input block, can not have input torque under the situation of unbalance loading.
The utility model goes through torque conversion test cylinder round end is fixed by a split pin with driving the arm of force, and the round end of goes through torque conversion test cylinder is cooperated fully with driving arm of force indent sphere, imports detected moment of torsion stably.
The utility model driving arm of force slides up and down bearing by the driving arm of force and connects with spring bearing, can guarantee the moment of torsion accuracy of importing under the situation of minimum friction force.
The utility model comprises torque correction parts, and arm of force deviation angle can directly be read, and revises the torque value that directly detects from the moment of torsion display.
Use the utility model torque tester can not change owing to the variation of the elasticity coefficient of material; Use the utility model torque tester not need to detect again in use for some time and demarcate; The utility model torque tester has solved the moment of torsion detection of present torque tool and equipment and the difficult problem in the staking-out work.
Description of drawings
Fig. 1 is the decomposing schematic representation of the utility model torque tester;
Fig. 2 is a goes through torque conversion test cylinder top plan view of the present invention.
Label declaration in the accompanying drawing:
1, second body
3, lower supporting bearing on the torque input shaft
4, body connects register pin up and down
5, drive the arm of force
6, torque input shaft
7, drive the arm of force and slide up and down bearing
8, goes through torque conversion test cylinder
9, body connects seal pad up and down
10, first body
13, body coupling bolt up and down
14, retroaction back-up block
17, arm of force angle indication needle pivot and angle indication pointer
18, pointer backplate and pointer offset index dial
20 moment of torsion display installation panels
21, moment of torsion display
22, split pin is fixed
Embodiment
Below in conjunction with drawings and Examples embodiment of the present utility model is further described in detail, but should limit protection domain of the present utility model with this.
Seeing also and paying figure is the decomposing schematic representation of the utility model torque tester.The utility model torque tester comprises moment of torsion input block 6, moment of torsion display unit 21, moment of torsion detection part and the fixing mounting of above-mentioned parts.
Moment of torsion input block 6 is that a cross section is the hexagonal longitudinal axis in the present embodiment, to be inserted in torque tool to be measured or equipment.But this moment of torsion input block also can be other geometric cross section axles, with adaptive torque tool to be measured or equipment.
The moment of torsion detection part comprises the driving arm of force 5 and goes through torque conversion test cylinder 8 in the present embodiment.This drives the arm of force 5 and passes through the coaxial socket of spline with aforementioned sexangle torque input shaft 6, and answers 6 rotations of sexangle torque input shaft and one rotation generation one angular displacement; This goes through torque conversion test cylinder 8 comprises a round end 8-2, corresponding junction is a concave spherical surface (not identifying among the figure) in arm of force with driving for it, this round end and the described driving arm of force 5 fix 22 by a split pin, this split pin should be rotated and the one rotation by the described driving arm of force 5, and drive the 8 rotation generation angular displacements of goes through torque conversion test cylinder, thereby finish angular displacement input to goes through torque conversion test cylinder 8.Goes through torque conversion test cylinder 8 internal hydraulic pressure piston structures are realized the conversion of the moment arm of force because of this displacement, produce a corresponding new displacement, move to reach corresponding torque display scale on the display unit 21 with the connecting pipe that moment of torsion display unit 21 connects to drive goes through torque conversion test cylinder 8, promptly show detected moment of torsion at display unit 21.
Goes through torque conversion is tested cylinder 8 inner structures as shown in Figure 2: goes through torque conversion test cylinder 8 internal side wall are provided with sealing ring 8-3 and reveal to prevent internal oil pressure, and are provided with a verge ring 8-4 with directed 8-5 piston motion direction.Piston ball rod 8-2 on the piston 8-5 links to each other with moment of torsion input block 6 by driving the arm of force 5.During the goes through torque conversion test, moment of torsion input block 6 input torques are delivered to and drive the arm of force 5, drive the arm of force 5 and can produce an acting force to the round end 8-2 of goes through torque conversion test cylinder 8, this power will act on the hydraulic oil of body 8-1 cavity of goes through torque conversion test cylinder 8, pressure that hydraulic oil produces is presented on the moment of torsion display unit 21 by the electronic metering equipment conversion.This hydraulic pressure converts and the numeral demonstration sets in advance.
The present invention also comprises a correcting unit, and is excessive to proofread and correct when moment of torsion, drives the arm of force 5 and produces displacement so that the situation of measured value generation deviation.Arm of force angle indication pointer 17 is connected with the driving arm of force 5 by thread spindle, the pointer backplate index dial 18 of arm of force angle indication pointer 17 correspondences.Drive the pointer backplate index dial 18 scales relation of the arm of force 5 deflection angles, regulate being provided with in advance with arm of force angle indication pointer 17 correspondences.Can the sensing pin anglec of rotation by this index dial, draw the length that the arm of force reduces, thereby draw the minimizing value of torque value, revise the value that shows on the moment of torsion display, thereby obtain the detected moment of torsion of more accurate reality.
The present embodiment mounting comprises lower supporting bearing 3 on second body 1, first body 10, the torque input shaft, drive the arm of force slides up and down bearing 7, upper body and connects and support 1, following body connect support 2, body connects seal pad 9, body coupling bolt 13, retroaction back-up block 14 up and down up and down.Mounting from top to bottom connects by bolt is accurate by illustrating successively, and by above-mentioned parts such as reservation opening even twisting moment conversion testing cylinders 8.Wherein, the driving arm of force slides up and down bearing by the driving arm of force and connects with spring bearing, can guarantee the moment of torsion accuracy of importing under the situation of minimum friction force.
The utility model using method is as follows:
Torque tester in use, import a definite value moment of torsion by one with the measure-alike Hexagonal jacket of torque input shaft hexagonal when torque tool to be measured or equipment, this moment of torsion can be delivered to the driving arm of force by torque input shaft, be delivered to goes through torque conversion test cylinder then, this is the tested torque value that the moment of torsion display will show corresponding input.
Specifically may further comprise the steps:
1, hydraulic torque wrench, aerodynamic moment spanner, electric torque spanner, manual dial torque wrench and torque multiplier etc. detected or that demarcate cooperate with torque input shaft by a sleeve that matches with the torque input shaft hexagonal.
2, hydraulic torque wrench, aerodynamic moment spanner, electric torque spanner, manual dial torque wrench and torque multiplier etc. detected or that demarcate are imported the moment of torsion of setting.
3, by a series of conversions of the utility model torque tester, can read torque value from the moment of torsion display.
4, by reading the torque deviation coefficient on the arm of force deviation chart.
5, reading torque value with the moment of torsion display multiply by the torque deviation coefficient and just obtains detected or the hydraulic torque wrench demarcated, aerodynamic moment spanner, electric torque spanner, the manual true output torque value of dial torque wrench and torque multiplier etc.
This utility model torque tester can be produced the utility model torque tester of specification model in different size by the specification size that changes the goes through torque conversion test cylinder and the driving arm of force.
The above is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model.Have in the technical field under any and know the knowledgeable usually, in not breaking away from spirit and scope of the present utility model, when doing the moving and retouching in various limits, therefore protection domain of the present utility model is as the criterion when looking claims institute confining spectrum.
Claims (8)
1. torque tester comprises moment of torsion input block (6), moment of torsion display unit (21), moment of torsion detection part and the fixing mounting of above-mentioned parts, it is characterized in that,
Described moment of torsion detection part comprises:
Drive the arm of force (5), this drives the arm of force (5) with the coaxial socket of moment of torsion input block (6), and answers moment of torsion input block (6) rotation and the one rotation;
With goes through torque conversion test cylinder (8), this goes through torque conversion test cylinder (8) is connected with moment of torsion display unit (21) with the driving arm of force (5) respectively, drive the arm of force (5) and import its angular displacement to goes through torque conversion test cylinder (8), by goes through torque conversion test cylinder (8) conversion, export a detected value to moment of torsion display unit (21) to show the moment of torsion detected value.
2. torque tester as claimed in claim 1 is characterized in that, the described driving arm of force (5), moment of torsion input block (6) connect by spline.
3. torque tester as claimed in claim 1, it is characterized in that, described goes through torque conversion test cylinder (8) comprises a round end, (5) corresponding junction is a concave spherical surface in arm of force with driving for it, this round end and the described driving arm of force (5) are fixed (22) by a split pin, and this split pin should be rotated and the one rotation by the described driving arm of force (5).
4. torque tester as claimed in claim 1 is characterized in that, described goes through torque conversion test cylinder (8) is a hydraulic piston mechanism.
5. torque tester as claimed in claim 1 is characterized in that, described goes through torque conversion test cylinder (8) is connected by a connecting pipe with described moment of torsion display (21).
6. torque tester as claimed in claim 1, it is characterized in that, described mounting comprises that also the spring bearing (3) and the driving arm of force slide up and down bearing (7), and the described driving arm of force (5) slides up and down the same spring bearing of bearing (7) (3) by the aforementioned driving arm of force and connects.
7. torque tester as claimed in claim 1, it is characterized in that, described goes through torque conversion test cylinder (8) inside is provided with liquid and the piston (8-5) that produces pressure, piston (8-5) is gone up by driving the arm of force (5) and is linked to each other with moment of torsion input block (6), and the pressure that links to each other with display device 21 shows conversion equipment.
8. torque tester as claimed in claim 1, it is characterized in that, described torque tester also comprises a correcting unit, described correcting unit comprise described arm of force angle indication pointer (17) and with the pointer backplate index dial (18) of display pointer (17) deflection angle, arm of force angle indication pointer (17) is connected with the driving arm of force (5) by thread spindle, to show arm of force deviation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200705199U CN202057445U (en) | 2011-03-17 | 2011-03-17 | Torque detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200705199U CN202057445U (en) | 2011-03-17 | 2011-03-17 | Torque detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057445U true CN202057445U (en) | 2011-11-30 |
Family
ID=45017416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200705199U Expired - Lifetime CN202057445U (en) | 2011-03-17 | 2011-03-17 | Torque detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202057445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156018A (en) * | 2011-03-17 | 2011-08-17 | 李圣用 | Torque tester |
| CN104458095A (en) * | 2014-12-04 | 2015-03-25 | 珠海健帆生物科技股份有限公司 | Tightening torque real-time detection device for blood purification consumable material |
-
2011
- 2011-03-17 CN CN2011200705199U patent/CN202057445U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156018A (en) * | 2011-03-17 | 2011-08-17 | 李圣用 | Torque tester |
| CN104458095A (en) * | 2014-12-04 | 2015-03-25 | 珠海健帆生物科技股份有限公司 | Tightening torque real-time detection device for blood purification consumable material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111130 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |