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 PDF

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Publication number
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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China
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arm lever
lever system
main beam
main shaft
girder
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张智敏
张跃
孟峰
胡刚
张伟
李涛
陈平
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National Institute of Metrology
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National Institute of Metrology
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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

用在扭矩标准机中的力臂杠杆系统和扭矩标准机The moment arm lever system used in the torque standard machine and the torque standard machine

技术领域technical field

本发明涉及扭矩检测和校准领域,更具体地,涉及一种用在扭矩标准机中的力臂杠杆系统和一种扭矩标准机。The invention relates to the field of torque detection and calibration, and more particularly relates to a moment arm lever system used in a torque standard machine and a torque standard machine.

背景技术Background technique

扭矩传感器可用于检测各种旋转或非旋转机械部件上的扭转力矩。杠杆式扭矩可通过杠杆来放大扭矩,从而对扭矩传感器进行校准。随着科技发展,工业领域中已经出现了越来越多的大量程、高精度扭矩传感器,而目前现有的扭矩标准机难以实现对其进行校准的要求。Torque sensors can be used to detect torsional moments on various rotating or non-rotating mechanical components. Leveraged torque can be leveraged to amplify the torque to calibrate the torque sensor. With the development of science and technology, more and more large-range, high-precision torque sensors have appeared in the industrial field, but the existing torque standard machine is difficult to meet the requirements of its calibration.

发明人经过深入研究发现,力臂杠杆的结构的稳定度对于实现能够进行大量程、高精度测量的扭矩标准机非常重要。After in-depth research, the inventor found that the structural stability of the moment arm lever is very important for realizing a torque standard machine capable of large-range and high-precision measurement.

发明内容Contents of the invention

本发明提出了一种可用在扭矩标准机中的具有高稳定度结构的力臂杠杆系统。本发明还提出了一种采用该力臂杠杆系统的扭矩标准机。The invention proposes a moment arm lever system with a high stability structure that can be used in a torque standard machine. The invention also proposes a torque standard machine adopting the lever system of the moment arm.

根据本发明的一方面,提出了一种用在扭矩标准机中的力臂杠杆系统,该力臂杠杆系统包括:主轴、轴承、轴承座、前主梁、后主梁、边刀固定件、边刀;主轴通过轴承安装在轴承座上,彼此平行设置的前主梁和后主梁位于轴承座两侧,且主轴穿过前主梁的中心孔和后主梁的中心孔;前主梁和后主梁组成力臂杠杆,所述力臂杠杆以主轴为转动轴,前主梁和后主梁分别连接至连接件组件的两侧,以加固所述力臂杠杆;两个边刀固定件分别位于力臂杠杆的左右两端,每个边刀固定件的两侧分别固定至前主梁和后主梁,且边刀固定件与前主梁和后主梁相垂直,边刀以刀刃向上的方向固定在边刀固定件上。According to one aspect of the present invention, a kind of moment arm lever system used in the torque standard machine is proposed, the moment arm lever system includes: main shaft, bearing, bearing seat, front main beam, rear main beam, side knife fixing part, Side cutter; the main shaft is installed on the bearing seat through the bearing, the front main beam and the rear main beam arranged parallel to each other are located on both sides of the bearing seat, and the main shaft passes through the center hole of the front main beam and the center hole of the rear main beam; the front main beam The arm lever is composed of the main beam and the rear main beam, and the main beam is used as the rotation axis of the lever. The front main beam and the rear main beam are respectively connected to both sides of the connector assembly to strengthen the arm lever; the two side knives are fixed The pieces are respectively located at the left and right ends of the lever of the moment arm. The two sides of each side knife fixing piece are respectively fixed to the front main beam and the rear main beam, and the side knife fixing piece is perpendicular to the front main beam and the rear main beam. The upward direction of the blade is fixed on the side knife holder.

所述连接件组件可包括四个连接板。所述四个连接板可分为位于主轴两侧的两组,每组可包括两个连接板。该两组连接板可相对于经过主轴轴线的竖直面对称,且每组中的两个连接板可相对于经过主轴轴线的水平面对称。所述四个连接板中位于对角位置的任意两个连接板可相对于主轴轴线中心对称。The connector assembly may include four connector plates. The four connecting plates can be divided into two groups located on both sides of the main shaft, and each group can include two connecting plates. The two sets of connecting plates may be symmetrical with respect to a vertical plane passing through the axis of the main shaft, and the two connecting plates in each set may be symmetrical with respect to a horizontal plane passing through the axis of the main shaft. Any two connecting plates located at diagonal positions among the four connecting plates may be symmetrical with respect to the axis of the main shaft.

每个边刀固定件的两侧都可具有台阶式连接结构。每个边刀固定件的两侧可通过所述台阶式连接结构分别固定至前主梁和后主梁。Both sides of each side knife fixing piece can have a stepped connection structure. The two sides of each side knife fixing piece can be respectively fixed to the front main beam and the rear main beam through the stepped connection structure.

两个边刀固定件可都具有向外的凸起。边刀可安装在所述凸起的上表面上。Both side knife holders may have outward projections. A side knife may be mounted on the raised upper surface.

该力臂杠杆系统还可包括悬挂件。悬挂件上可具有与边刀的刀刃相配合的刀承,且悬挂件上可具有砝码连接部件。The moment arm lever system may also include a suspension. The hanger can have a knife support matched with the edge of the side knife, and the hanger can have a weight connection part.

该力臂杠杆系统还可包括前配重部件、右配重部件和左配重部件。前配重部件可通过内壁上有螺纹的孔安装在前主梁外侧的主轴上,该孔内壁上的螺纹可与主轴上相应部位的螺纹相配合。右配重部件可通过螺杆安装在力臂杠杆右端的边刀固定件向内的一侧。左配重部件可通过螺杆安装在力臂杠杆左端的边刀固定件向内的一侧。The moment arm lever system may also include a front counterweight member, a right counterweight member and a left counterweight member. The front counterweight component can be installed on the main shaft outside the front main beam through the threaded hole on the inner wall, and the thread on the inner wall of the hole can be matched with the thread on the corresponding position on the main shaft. The right counterweight part can be installed on the inward side of the side knife fixture at the right end of the moment arm lever by a screw rod. The left counterweight part can be installed on the inward side of the side knife fixture at the left end of the moment arm lever by a screw rod.

所述轴承可为空气轴承。The bearings may be air bearings.

轴承座两侧与前主梁和后主梁之间可具有厚度调整垫片。Thickness adjusting gaskets may be provided between both sides of the bearing seat and the front main beam and the rear main beam.

前主梁、后主梁、边刀固定件和连接件组件可由因瓦合金构成。The front main beam, rear main beam, edge knife mount and connector assemblies may be constructed of Invar.

根据本发明的另一方面,还提出了一种扭矩标准机,该扭矩标准机采用如上所述的力臂杠杆系统。According to another aspect of the present invention, a torque standard machine is also proposed, which adopts the above-mentioned moment arm lever system.

本发明的各方面通过前、后主梁、连接板和边刀固定件等形成的四边形结构,来得到稳定牢固的可用在扭矩标准机中的力臂杠杆系统,从而可使得扭矩标准机进行大量程、高精度测量。Aspects of the present invention use the quadrilateral structure formed by the front and rear main beams, connecting plates, side knife fixing parts, etc. to obtain a stable and firm moment arm lever system that can be used in the torque standard machine, so that the torque standard machine can be used in a large number of range, high-precision measurement.

附图说明Description of drawings

通过结合附图对本公开示例性实施方式进行更详细的描述,本公开的上述以及其它目的、特征和优势将变得更加明显,其中,在本公开示例性实施方式中,相同的参考标号通常代表相同部件。The above and other objects, features and advantages of the present disclosure will become more apparent by describing the exemplary embodiments of the present disclosure in more detail with reference to the accompanying drawings, wherein, in the exemplary embodiments of the present disclosure, the same reference numerals generally represent same parts.

图1示出了根据本公开的一个示例性实施例的力臂杠杆系统的主视图。FIG. 1 shows a front view of a moment arm lever system according to an exemplary embodiment of the present disclosure.

图2示出了如图1所示的力臂杠杆系统的俯视图。FIG. 2 shows a top view of the moment arm lever system shown in FIG. 1 .

图3示出了如图1所示的力臂杠杆系统中的边刀2和刀承3的接触部分的局部示意图。FIG. 3 shows a partial schematic diagram of the contact portion between the side knife 2 and the knife support 3 in the moment arm lever system shown in FIG. 1 .

图4示出了如图1所示的力臂杠杆系统中的厚度调整垫片的局部示意图。Fig. 4 shows a partial schematic view of the thickness adjusting shim in the moment arm lever system shown in Fig. 1 .

具体实施方式Detailed ways

下面将参照附图更详细地描述本公开的优选实施方式。虽然附图中显示了本公开的优选实施方式,然而应该理解,可以以各种形式实现本公开而不应被这里阐述的实施方式所限制。相反,提供这些实施方式是为了使本公开更加透彻和完整,并且能够将本公开的范围完整地传达给本领域的技术人员。Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

本公开中,如无明确地相反理解,术语“内、外”指相对于力臂杠杆的方向,其中,“内”指朝向力臂杠杆的方向,“外”指远离力臂杠杆的方向;“水、平”、“竖、直”、“上、下”、“左、右”指相对图1所示的主视图的方向;“前、后”可参照前主梁和后主梁的相对位置。In the present disclosure, if there is no clear contrary understanding, the terms "inside and outside" refer to directions relative to the lever of the moment arm, wherein "inside" refers to a direction toward the lever of the moment arm, and "outside" refers to a direction away from the lever of the moment arm; "Horizontal, horizontal", "vertical, straight", "upper, lower", "left, right" refer to the direction of the front view shown in Figure 1; relative position.

图1示出了根据本公开的一个示例性实施例的力臂杠杆系统的主视图,其中左半部分中边刀2和刀承3的接触部分以及对应于连接件8的部分以剖面图的形式示出。图2示出了如图1所示的力臂杠杆系统的俯视图。Fig. 1 shows a front view of a moment arm lever system according to an exemplary embodiment of the present disclosure, wherein the contact part of the side knife 2 and the knife support 3 in the left half and the part corresponding to the connecting piece 8 are shown in a cross-sectional view. form is shown. FIG. 2 shows a top view of the moment arm lever system shown in FIG. 1 .

如图1和图2所示,该力臂杠杆系统包括主轴9、轴承座4、轴承、前主梁6、后主梁7、边刀固定件5、边刀2。主轴9通过轴承安装在轴承座4上,彼此平行设置的前主梁6和后主梁7位于轴承座4两侧,且主轴9穿过前主梁6的中心孔和后主梁7的中心孔。前主梁6和后主梁7组成力臂杠杆,该力臂杠杆以主轴9为转动轴。前主梁6和后主梁7分别连接至连接件组件的两侧,以加固该力臂杠杆。两个边刀固定件5分别位于力臂杠杆的左右两端,每个边刀固定件5的两侧分别固定至前主梁6和后主梁7,且边刀固定件5与前主梁6和后主梁7相垂直。边刀2以刀刃向上的方向固定在边刀固定件5上。前主梁6、后主梁7以及两侧的边刀固定件5可组成一个牢固的四边形结构,并且通过连接在前主梁6和后主梁7之间的连接件组件使该结构得以进一步加固,使其牢固稳定且不易变形。As shown in FIGS. 1 and 2 , the moment arm lever system includes a main shaft 9 , a bearing seat 4 , a bearing, a front main beam 6 , a rear main beam 7 , a side knife fixing part 5 , and a side knife 2 . The main shaft 9 is installed on the bearing housing 4 through bearings, the front main beam 6 and the rear main beam 7 arranged parallel to each other are located on both sides of the bearing housing 4, and the main shaft 9 passes through the center hole of the front main beam 6 and the center of the rear main beam 7 hole. The front main beam 6 and the rear main beam 7 form a moment arm lever, and this moment arm lever takes the main shaft 9 as the axis of rotation. The front main beam 6 and the rear main beam 7 are respectively connected to both sides of the connector assembly to reinforce the moment arm lever. The two side knife fixing parts 5 are respectively located at the left and right ends of the lever of the moment arm. 6 is perpendicular to back girder 7. The side knife 2 is fixed on the side knife fixing member 5 with the blade facing up. The front main beam 6, the rear main beam 7 and the side knife fixing parts 5 on both sides can form a firm quadrilateral structure, and the structure can be further improved by connecting the connector assembly between the front main beam 6 and the rear main beam 7. Reinforced to make it firm and stable and not easily deformed.

本示例性实施方式中,连接件组件可包括4个连接板8。该4个连接板8可分为位于主轴9两侧的两组,每组可包括两个连接板8。该两组连接板8可相对于经过主轴9的轴线的竖直面对称,且每组中的两个连接板8可相对于经过主轴9的抽线的水平面对称。四个连接板8中位于对角位置的任意两个连接板可相对于主轴9的轴线中心对称。发明人经过反复推导和实验证明,采用这种加固方式的力臂杠杆系统具有非常高的结构稳定度。In this exemplary embodiment, the connector assembly may include four connector plates 8 . The four connecting plates 8 can be divided into two groups located on both sides of the main shaft 9 , and each group can include two connecting plates 8 . The two groups of connecting plates 8 may be symmetrical with respect to the vertical plane passing the axis of the main shaft 9 , and the two connecting plates 8 in each group may be symmetrical with respect to the horizontal plane of the drawing line passing through the main shaft 9 . Any two connecting plates located at diagonal positions among the four connecting plates 8 may be centrally symmetrical with respect to the axis of the main shaft 9 . The inventor has proved through repeated deduction and experiments that the moment arm lever system adopting this reinforcement method has very high structural stability.

此外,如图2所示,每个边刀固定件5的两侧都具有台阶式连接结构,每个边刀固定件5的两侧通过该台阶式连接结构分别固定至前主梁6和后主梁7。这种连接结构与传统的“L型”连接结构相比,可具有更高的稳定度。In addition, as shown in Figure 2, both sides of each side knife fixing part 5 have a stepped connection structure, and the two sides of each side knife fixing part 5 are respectively fixed to the front main beam 6 and the rear main beam 6 through the stepped connection structure. Main beam 7. Compared with the traditional "L-shaped" connection structure, this connection structure can have a higher degree of stability.

如图1所示,位于力臂杠杆左右两端的两个边刀固定件5可都具有向外的凸起,边刀2可安装在该凸起的上表面上。该结构更便于施加施力部件向力臂施力。例如,该凸起可以是钩状凸起,边刀2可安装在钩状部位的上表面上。As shown in FIG. 1 , the two side knife fixing parts 5 located at the left and right ends of the lever of the force arm can both have outward protrusions, and the side knife 2 can be installed on the upper surface of the protrusions. This structure is more convenient for the force applying part to apply force to the moment arm. For example, the protrusion may be a hook-shaped protrusion, and the side knife 2 may be mounted on the upper surface of the hook-shaped portion.

如图2所示,该力臂杠杆系统还可包括可置于力臂杠杆两端的边刀固定件5上的悬挂件1。悬挂件1上可具有与边刀2的刀刃相配合的刀承3,边刀2和刀承3间可以为线接触,以提高校准的灵敏度。悬挂件1还可具有砝码连接部件。本领域技术人员可根据需要设置任意适当的砝码连接部件,例如,如图1中所示的爪钩。As shown in FIG. 2 , the lever system of the moment arm can also include a suspension 1 that can be placed on the side knife fixing elements 5 at both ends of the lever of the moment arm. The hanger 1 may have a knife support 3 that matches the edge of the side knife 2, and the side knife 2 and the knife support 3 may be in line contact to improve calibration sensitivity. The suspension 1 may also have weight connection means. Those skilled in the art can arrange any suitable weight connection parts according to needs, for example, the claw hook as shown in FIG. 1 .

该力臂杠杆系统还可包括配重部件,配重部件可用于调节该力臂杠杆系统的质心位置。如图2所示的示例性实施例中,该力臂杠杆系统可包括前配重部件11、右配重部件12和左配重部件15。前配重部件11可通过内壁上有螺纹的孔安装在前主梁6外侧的主轴9上,该孔内壁上的螺纹与主轴9上相应部位的螺纹相配合。可通过旋转前配重部件11以使其沿着主轴9前后移动。右配重部件12可通过螺杆13安装在力臂杠杆右端的边刀固定件5向内的一侧,左配重部件15可通过螺杆16安装在力臂杠杆左端的边刀固定件5向内的一侧。左、右配重部件15、12可沿着各自的螺杆16、13左右移动。The moment arm lever system can also include a counterweight component, which can be used to adjust the position of the center of mass of the moment arm lever system. In the exemplary embodiment shown in FIG. 2 , the moment arm lever system may include a front counterweight part 11 , a right counterweight part 12 and a left counterweight part 15 . The front counterweight component 11 can be installed on the main shaft 9 outside the front main beam 6 by a threaded hole on the inner wall. The front counterweight member 11 can be moved back and forth along the main shaft 9 by rotating it. The right counterweight part 12 can be installed on the inward side of the side knife holder 5 at the right end of the lever of the force arm through the screw rod 13, and the left counterweight part 15 can be installed on the side knife holder 5 at the left end of the lever of the moment arm through the screw rod 16. side. Left and right counterweight parts 15, 12 can move left and right along respective screw rods 16, 13.

该示例性实施例中采用的轴承可以为空气轴承,以降低摩擦力,提高校准精度和测量量程。The bearing used in this exemplary embodiment may be an air bearing to reduce friction and improve calibration accuracy and measurement range.

如图2所示,该示例性实施例中,轴承座4两侧与前主梁6和后主梁7之间可具有厚度调整垫片10,可通过调整(例如打磨)厚度调整垫片10的厚度,来调整轴承座4与前主梁6和后主梁7之间的距离。As shown in Fig. 2, in this exemplary embodiment, there may be a thickness adjusting gasket 10 between both sides of the bearing housing 4 and the front main beam 6 and the rear main beam 7, and the thickness adjusting gasket 10 may be adjusted (for example, polished). To adjust the distance between the bearing seat 4 and the front main beam 6 and the rear main beam 7.

该示例性实施例中的主要框架结构,例如前主梁6、后主梁7、边刀固定件5和连接件组件可均由因瓦合金(invar)构成。因瓦合金具有膨胀系数小的特点,可提高该力臂杠杆系统的结构的热稳定性。The main frame structure in this exemplary embodiment, such as the front main beam 6, the rear main beam 7, the side knife fixing member 5 and the connector assembly may all be made of invar. Invar alloy has the characteristic of small expansion coefficient, which can improve the thermal stability of the structure of the moment arm lever system.

图3示出了如图1所示的力臂杠杆系统中的边刀2和刀承3的接触部分的局部示意图。可以看出,边刀2和刀承3间可以是线接触,该结构有利于提高校准的灵敏度。FIG. 3 shows a partial schematic diagram of the contact portion between the side knife 2 and the knife support 3 in the moment arm lever system shown in FIG. 1 . It can be seen that the side knife 2 and the knife support 3 can be in line contact, and this structure is conducive to improving the sensitivity of calibration.

图4示出了如图1所示的力臂杠杆系统中的厚度调整垫片10的局部示意图,该图为剖面图。轴承座4两侧与前、后主梁间可具有厚度调整垫片10,以便于调整轴承座4和前、后主梁之间的距离。FIG. 4 shows a partial schematic view of the thickness adjusting gasket 10 in the moment arm lever system shown in FIG. 1 , which is a cross-sectional view. There can be a thickness adjusting gasket 10 between the two sides of the bearing seat 4 and the front and rear main beams, so as to adjust the distance between the bearing seat 4 and the front and rear main beams.

本公开还公开了一种采用如上所述的力臂杠杆系统的扭矩标准机。The present disclosure also discloses a torque standard machine adopting the above-mentioned moment arm lever system.

以上已经描述了本公开的各实施例,上述说明是示例性的,并非穷尽性的,并且也不限于所披露的各实施例。在不偏离所说明的各实施例的范围和精神的情况下,对于本技术领域的普通技术人员来说许多修改和变更都是显而易见的。本文中所用术语的选择,旨在最好地解释各实施例的原理、实际应用或对市场中的技术改进,或者使本技术领域的其它普通技术人员能理解本文披露的各实施例。Having described various embodiments of the present disclosure above, the foregoing description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and alterations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principle of each embodiment, practical application or technical improvement in the market, or to enable other ordinary skilled in the art to 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.
CN201510506136.4A 2015-08-17 2015-08-17 Force arm lever system applied to torque standard machine and torque standard machine Pending CN105004478A (en)

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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
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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)

* Cited by examiner, † Cited by third party
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
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
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
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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Application publication date: 20151028