CN105004478A - Force arm lever system applied to torque standard machine and torque standard machine - Google Patents
Force arm lever system applied to torque standard machine and torque standard machine Download PDFInfo
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- CN105004478A CN105004478A CN201510506136.4A CN201510506136A CN105004478A CN 105004478 A CN105004478 A CN 105004478A CN 201510506136 A CN201510506136 A CN 201510506136A CN 105004478 A CN105004478 A CN 105004478A
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- arm lever
- girder
- lever system
- main shaft
- limit cutter
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Abstract
The invention discloses a force arm lever system applied to a torque standard machine and a torque standard machine. The force arm lever system applied to the torque standard machine comprises a main shaft, a bearing, a bearing pedestal, a front mean beam, a rear main beam, edge cutter fixing pieces and an edge cutter, wherein the main shaft is installed on the bearing pedestal through the bearing, the front main beam and the rear main beam, which are arranged in a mutually parallel mode, are located at two sides of the bearing pedestal respectively, and the main shaft penetrates through a center hole of the front main beam and a center hole of the rear main beam; the front main beam and the rear main beam form a force arm lever, the force arm lever takes the main shaft as a rotating shaft, the front main beam and the rear main beam are connected to two sides of a connecting piece assembly respectively so as to strengthen the force arm lever; the two edge cutter fixing pieces are located at the left end and the right end of the force arm lever respectively, two sides of each edge cutter fixing piece are fixed to the front main beam and the rear main beam respectively, the edge cutter fixing pieces are vertical with the front main beam and the rear main beam, and the edge cutter is fixed on the edge cutter fixing piece with a blade facing upward. The torque standard machine can be enabled to realize wide-range high-precision measurement by applying the force arm lever system disclosed by the invention.
Description
Technical field
The present invention relates to moment of torsion monitoring and testing field, more specifically, relate to and be a kind ofly used in arm lever system in standard torquer and a kind of standard torquer.
Background technology
Torque sensor can be used for detecting the torsional moment on various rotation or non-rotary mechanical parts.Lever moment of torsion amplifies moment of torsion by lever, thus calibrates torque sensor.Along with development in science and technology, in industrial circle, occurred increasing wide range, high precision torque sensor, and current existing standard torquer is difficult to the requirement that realization is calibrated it.
Inventor finds through further investigation, the degree of stability of the structure of arm lever for realize carrying out wide range, high-acruracy survey standard torquer extremely important.
Summary of the invention
The present invention proposes a kind of arm lever system with high stability structure that can be used in standard torquer.The invention allows for a kind of standard torquer adopting this arm lever system.
According to an aspect of the present invention, propose a kind of arm lever system be used in standard torquer, this arm lever system comprises: main shaft, bearing, bearing seat, front girder, rear girder, limit cutter fixture, limit cutter; Main shaft is arranged on bearing seat by bearing, and the front girder be set parallel to each other and rear girder are positioned at bearing seat both sides, and main shaft is through the center pit of front girder and the center pit of rear girder; Front girder and rear girder composition arm lever, described arm lever take main shaft as rotation axis, and front girder and rear girder are connected to the both sides of web member assembly respectively, to reinforce described arm lever; Two limit cutter fixtures lay respectively at the two ends, left and right of arm lever, the both sides of each limit cutter fixture are fixed to front girder and rear girder respectively, and limit cutter fixture and front girder and rear girder perpendicular, limit cutter is fixed on the cutter fixture of limit with blade direction upwards.
Described web member assembly can comprise four web joints.Described four web joints can be divided into two groups that are positioned at main shaft both sides, and often group can comprise two web joints.These two groups of web joints can be symmetrical relative to the vertical plane through main-shaft axis, and two web joints often in group can be symmetrical relative to the surface level through main-shaft axis.Any two web joints being positioned at diagonal position in described four web joints can relative to main-shaft axis Central Symmetry.
The both sides of each limit cutter fixture can have step syndeton.The both sides of each limit cutter fixture are fixed to front girder and rear girder respectively by described step syndeton.
Two limit cutter fixtures can all have outside projection.Limit cutter can be arranged on the upper surface of described projection.
This arm lever system also can comprise suspender.Suspender can have the cutter matched with the blade of limit cutter to hold, and suspender can have counterweight link.
This arm lever system also can comprise front weight member, right weight member and left weight member.Front weight member is arranged on the main shaft outside front girder by hole threaded on inwall, and the screw thread on this hole inwall can match with the screw thread of corresponding site on main shaft.Right weight member is arranged on the inside side of the limit cutter fixture of arm lever right-hand member by screw rod.Left weight member is arranged on the inside side of the limit cutter fixture of arm lever left end by screw rod.
Described bearing can be air bearing.
Bearing seat both sides and thickness can be had between front girder and rear girder adjust pad.
Front girder, rear girder, limit cutter fixture and web member assembly can be made up of invar alloy.
According to a further aspect in the invention, also proposed a kind of standard torquer, this standard torquer adopts arm lever system as above.
The quadrilateral structure that each aspect of the present invention is formed by forward and backward girder, web joint and limit cutter fixture etc., obtain the stable arm lever system that firmly can be used in standard torquer, thus standard torquer can be made to carry out wide range, high-acruracy survey.
Accompanying drawing explanation
In conjunction with the drawings disclosure illustrative embodiments is described in more detail, above-mentioned and other object of the present disclosure, Characteristics and advantages will become more obvious, wherein, in disclosure illustrative embodiments, identical reference number represents same parts usually.
Fig. 1 shows the front view of the arm lever system according to an exemplary embodiment of the present disclosure.
Fig. 2 shows the vertical view of arm lever system as shown in Figure 1.
Fig. 3 shows the partial schematic diagram that limit cutter 2 in arm lever system as shown in Figure 1 and cutter hold the contact portion of 3.
Fig. 4 shows the partial schematic diagram of the thickness adjustment pad in arm lever system as shown in Figure 1.
Embodiment
Below with reference to accompanying drawings preferred implementation of the present disclosure is described in more detail.Although show preferred implementation of the present disclosure in accompanying drawing, but should be appreciated that, the disclosure can be realized in a variety of manners and not should limit by the embodiment of setting forth here.On the contrary, provide these embodiments to be to make the disclosure more thorough and complete, and the scope of the present disclosure intactly can be conveyed to those skilled in the art.
In the disclosure, as nothing is understood clearly on the contrary, term " inside and outside " refers to the direction relative to arm lever, and wherein, " interior " refers to the direction towards arm lever, and " outward " refers to the direction away from arm lever; " water, flat ", " perpendicular, straight ", " upper and lower ", " left and right " refer to the direction of the front view shown in relative Fig. 1; " forward and backward " can refer to the relative position of front girder and rear girder.
Fig. 1 shows the front view of the arm lever system according to an exemplary embodiment of the present disclosure, and wherein in left-half, limit cutter 2 and cutter hold the contact portion of 3 and illustrate with the form of sectional view corresponding to the part of web member 8.Fig. 2 shows the vertical view of arm lever system as shown in Figure 1.
As depicted in figs. 1 and 2, this arm lever system comprises main shaft 9, bearing seat 4, bearing, front girder 6, rear girder 7, limit cutter fixture 5, limit cutter 2.Main shaft 9 is arranged on bearing seat 4 by bearing, and the front girder 6 be set parallel to each other and rear girder 7 are positioned at bearing seat 4 both sides, and main shaft 9 is through the center pit of front girder 6 and the center pit of rear girder 7.Front girder 6 and rear girder 7 form arm lever, this arm lever with main shaft 9 for rotation axis.Front girder 6 and rear girder 7 are connected to the both sides of web member assembly respectively, to reinforce this arm lever.Two limit cutter fixtures 5 lay respectively at the two ends, left and right of arm lever, and the both sides of each limit cutter fixture 5 are fixed to front girder 6 and rear girder 7 respectively, and limit cutter fixture 5 and front girder 6 and rear girder 7 perpendicular.Limit cutter 2 is fixed on limit cutter fixture 5 with blade direction upwards.The limit cutter fixture 5 of front girder 6, rear girder 7 and both sides can form a firmly quadrilateral structure, and makes this structure be able to further reinforcing by the web member assembly be connected between front girder 6 and rear girder 7, makes its firm stable and not yielding.
In this illustrative embodiments, web member assembly can comprise 4 web joints 8.These 4 web joints 8 can be divided into two groups that are positioned at main shaft 9 both sides, and often group can comprise two web joints 8.These two groups of web joints 8 can be symmetrical relative to the vertical plane of the axis through main shaft 9, and two web joints 8 often in group can be symmetrical relative to the surface level taking out line through main shaft 9.Any two web joints being positioned at diagonal position in four web joints 8 can be symmetrical relative to the axis centre of main shaft 9.Inventor, through repeatedly deriving and testing proof, adopts the arm lever system of this reinforcing mode to have very high structural stability.
In addition, as shown in Figure 2, the both sides of each limit cutter fixture 5 have step syndeton, and the both sides of each limit cutter fixture 5 are fixed to front girder 6 and rear girder 7 respectively by this step syndeton.This syndeton, compared with traditional " L-type " syndeton, can have higher degree of stability.
As shown in Figure 1, two the limit cutter fixtures 5 being positioned at two ends, arm lever left and right can all have outside projection, and limit cutter 2 can be arranged on the upper surface of this projection.This structure is more convenient for applying force application part and is exerted a force to the arm of force.Such as, this projection can be hooked projection, and limit cutter 2 can be arranged on the upper surface at hook-shaped position.
As shown in Figure 2, this arm lever system also can comprise the suspender 1 that can be placed on the limit cutter fixture 5 at arm lever two ends.Suspender 1 can have the cutter matched with the blade of limit cutter 2 and hold 3, limit cutter 2 and cutter can be linear contact lay between holding 3, to improve the sensitivity of calibration.Suspender 1 also can have counterweight link.Those skilled in the art can arrange counterweight link suitable arbitrarily as required, such as, and claw hook as shown in Figure 1.
This arm lever system also can comprise weight member, and weight member can be used for the centroid position regulating this arm lever system.In exemplary embodiment as shown in Figure 2, this arm lever system can comprise front weight member 11, right weight member 12 and left weight member 15.Front weight member 11 is arranged on the main shaft 9 outside front girder 6 by hole threaded on inwall, and the screw thread on this hole inwall matches with the screw thread of corresponding site on main shaft 9.Move forward and backward along main shaft 9 to make it by rotating front weight member 11.Right weight member 12 is arranged on the inside side of the limit cutter fixture 5 of arm lever right-hand member by screw rod 13, and left weight member 15 is arranged on the inside side of the limit cutter fixture 5 of arm lever left end by screw rod 16.Left and right weight member 15,12 can move left and right along respective screw rod 16,13.
The bearing adopted in this exemplary embodiment can be air bearing, to reduce friction force, improves calibration accuracy and measures range.
As shown in Figure 2, in this exemplary embodiment, bearing seat 4 both sides and can have thickness between front girder 6 and rear girder 7 and adjust pad 10, by the thickness of adjustment (such as polishing) thickness adjustment pad 10, adjust bearing seat 4 and the distance between front girder 6 and rear girder 7.
Major architectural structure in this exemplary embodiment, such as front girder 6, rear girder 7, limit cutter fixture 5 and web member assembly can be formed by invar alloy (invar).Invar alloy has the little feature of expansion coefficient, can improve the thermal stability of the structure of this arm lever system.
Fig. 3 shows the partial schematic diagram that limit cutter 2 in arm lever system as shown in Figure 1 and cutter hold the contact portion of 3.Can find out, limit cutter 2 and cutter can be linear contact lay between holding 3, and this structure is conducive to the sensitivity improving calibration.
Fig. 4 shows the partial schematic diagram of the thickness adjustment pad 10 in arm lever system as shown in Figure 1, and this figure is sectional view.Thickness can be had between bearing seat 4 both sides and forward and backward girder and adjust pad 10, so that the distance between adjustment bearing seat 4 and forward and backward girder.
The disclosure also discloses a kind of standard torquer adopting arm lever system as above.
Be described above each embodiment of the present disclosure, above-mentioned explanation is exemplary, and non-exclusive, and be also not limited to disclosed each embodiment.When not departing from the scope and spirit of illustrated each embodiment, many modifications and changes are all apparent for those skilled in the art.The selection of term used herein, is intended to explain best the principle of each embodiment, practical application or to the technological improvement in market, or makes other those of ordinary skill of the art can understand each embodiment disclosed herein.
Claims (10)
1. one kind is used in the arm lever system in standard torquer, it is characterized in that, this arm lever system comprises: main shaft (9), bearing, bearing seat (4), front girder (6), rear girder (7), limit cutter fixture (5), limit cutter (2);
Main shaft (9) is arranged on bearing seat (4) by bearing, the front girder (6) be set parallel to each other and rear girder (7) are positioned at bearing seat (4) both sides, and the center pit of main shaft (9) through front girder (6) and the center pit of rear girder (7);
Front girder (6) and rear girder (7) composition arm lever, described arm lever with main shaft (9) for rotation axis, front girder (6) and rear girder (7) are connected to the both sides of web member assembly respectively, to reinforce described arm lever;
Two limits cutter fixture (5) lay respectively at the two ends, left and right of arm lever, the both sides of each limit cutter fixture (5) are fixed to front girder (6) and rear girder (7) respectively, and limit cutter fixture (5) and front girder (6) and rear girder (7) perpendicular, limit cutter (2) is fixed on limit cutter fixture (5) with blade direction upwards.
2. the arm lever system be used in standard torquer according to claim 1, it is characterized in that, described web member assembly comprises four web joints (8), described four web joints (8) are divided into two groups that are positioned at main shaft (9) both sides, often group comprises two web joints (8), these two groups of web joints (8) are symmetrical relative to the vertical plane through main shaft (9) axis, and two web joints (8) often in group are symmetrical relative to the surface level through main shaft (9) axis, any two web joints (8) being positioned at diagonal position in described four web joints (8) are symmetrical relative to main shaft (9) axis centre.
3. the arm lever system be used in standard torquer according to claim 1, it is characterized in that, the both sides of each limit cutter fixture (5) have step syndeton, and the both sides of each limit cutter fixture (5) are fixed to front girder (6) and rear girder (7) respectively by described step syndeton.
4. the arm lever system be used in standard torquer according to claim 1, is characterized in that, two limits cutter fixture (5) all have outside projection, and limit cutter (2) is arranged on the upper surface of described projection.
5. the arm lever system be used in standard torquer according to claim 1, it is characterized in that, this arm lever system also comprises suspender (1), suspender (1) has the cutter matched with the blade of limit cutter (2) to hold, and suspender (1) has counterweight link.
6. the arm lever system be used in standard torquer according to claim 1, is characterized in that, this arm lever system also comprises front weight member (11), right weight member (12) and left weight member (15);
Front weight member (11) is arranged on the main shaft (9) in front girder (6) outside by hole threaded on inwall, and the screw thread on this hole inwall matches with the screw thread of the upper corresponding site of main shaft (9);
Right weight member (12) is arranged on inside side, limit cutter fixture (5) of arm lever right-hand member by screw rod (13);
Left weight member (15) is arranged on inside side, limit cutter fixture (5) of arm lever left end by screw rod (16).
7. the arm lever system be used in standard torquer according to claim 1, is characterized in that, described bearing is air bearing.
8. the arm lever system be used in standard torquer according to claim 1, it is characterized in that, bearing seat (4) both sides and there is between front girder (6) and rear girder (7) thickness adjust pad (10).
9. the arm lever system be used in standard torquer according to claim 1, is characterized in that, front girder (6), rear girder (7), limit cutter fixture (5) and web member assembly are made up of invar alloy.
10. a standard torquer, is characterized in that, this standard torquer adopts as the arm lever system be used in standard torquer in claim 1-9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506136.4A CN105004478A (en) | 2015-08-17 | 2015-08-17 | Force arm lever system applied to torque standard machine and torque standard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506136.4A CN105004478A (en) | 2015-08-17 | 2015-08-17 | Force arm lever system applied to torque standard machine and torque standard machine |
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| Publication Number | Publication Date |
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| CN105004478A true CN105004478A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510506136.4A Pending CN105004478A (en) | 2015-08-17 | 2015-08-17 | Force arm lever system applied to torque standard machine and torque standard machine |
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| CN (1) | CN105004478A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106500908A (en) * | 2016-12-16 | 2017-03-15 | 广电计量检测（北京）有限公司 | Angle can revise torque lever device |
| CN107101781A (en) * | 2017-05-05 | 2017-08-29 | 中国计量科学研究院 | Dead weight type safe small force value standard set-up air-bearing support girder system |
| CN107764470A (en) * | 2017-11-23 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of lever mechanics Standard Machine |
| CN107764471A (en) * | 2017-11-23 | 2018-03-06 | 郑州拽亘电子科技有限公司 | A kind of mechanics Standard Machine |
| CN107782490A (en) * | 2017-11-23 | 2018-03-09 | 郑州东辰科技有限公司 | A kind of composite shaft system mechanics Standard Machine |
| CN109765002A (en) * | 2018-12-11 | 2019-05-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of Combined static-pressure air-bearing supporting device |
| CN113155356A (en) * | 2020-01-07 | 2021-07-23 | 北京福田康明斯发动机有限公司 | Torque measuring vehicle calibrating device |
| CN117030085A (en) * | 2023-09-27 | 2023-11-10 | 苏州市计量测试院 | Lever type large torque tester |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500908A (en) * | 2016-12-16 | 2017-03-15 | 广电计量检测（北京）有限公司 | Angle can revise torque lever device |
| CN107101781A (en) * | 2017-05-05 | 2017-08-29 | 中国计量科学研究院 | Dead weight type safe small force value standard set-up air-bearing support girder system |
| CN107764470A (en) * | 2017-11-23 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of lever mechanics Standard Machine |
| CN107764471A (en) * | 2017-11-23 | 2018-03-06 | 郑州拽亘电子科技有限公司 | A kind of mechanics Standard Machine |
| CN107782490A (en) * | 2017-11-23 | 2018-03-09 | 郑州东辰科技有限公司 | A kind of composite shaft system mechanics Standard Machine |
| CN107764470B (en) * | 2017-11-23 | 2024-02-23 | 郑州东辰科技有限公司 | Lever type mechanical standard machine |
| CN109765002A (en) * | 2018-12-11 | 2019-05-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of Combined static-pressure air-bearing supporting device |
| CN113155356A (en) * | 2020-01-07 | 2021-07-23 | 北京福田康明斯发动机有限公司 | Torque measuring vehicle calibrating device |
| CN117030085A (en) * | 2023-09-27 | 2023-11-10 | 苏州市计量测试院 | Lever type large torque tester |
| CN117030085B (en) * | 2023-09-27 | 2024-02-06 | 苏州市计量测试院 | Lever type large torque tester |
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