CN211013898U - A Standard Tensile Dynamometer for Verification of Tensile Machines - Google Patents
A Standard Tensile Dynamometer for Verification of Tensile Machines Download PDFInfo
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- CN211013898U CN211013898U CN201921309671.0U CN201921309671U CN211013898U CN 211013898 U CN211013898 U CN 211013898U CN 201921309671 U CN201921309671 U CN 201921309671U CN 211013898 U CN211013898 U CN 211013898U
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Abstract
本实用新型公开了一种用于检定拉力机的标准拉力测力仪,由标准拉力测力仪1、拉力机挂具3、数字显示器2和拉力机夹具31组成。所述拉力机挂具3有2个,分别位于所述标准拉力测力仪1的两端;所述拉力机挂具3的一端与标准拉力测力仪1固定连接,其另一端是球头形状。所述拉力机夹具31的与所述拉力机挂具3相配合一端为球窝31。
The utility model discloses a standard tensile force measuring instrument for calibrating a tensile force machine. The tension machine hanger 3 has two, which are respectively located at both ends of the standard tension force measuring instrument 1; one end of the tension machine hanger 3 is fixedly connected with the standard tension force measuring instrument 1, and the other end is a ball head shape. One end of the tension machine fixture 31 that is matched with the tension machine hanger 3 is a ball socket 31 .
Description
技术领域technical field
本实用新型涉及一种用于检定拉力机的标准拉力测力仪。The utility model relates to a standard tensile force measuring instrument used for calibrating a tensile force machine.
背景技术Background technique
拉力机是以机械或液压方式施加力值,主要由加力系统、测量系统、安全保护装置等组成,是测量材料的力学性能的试验机,适用于金属、非金属材料及构件的拉伸、压缩力学性能试验。The tension machine is a mechanical or hydraulic method to apply force value, mainly composed of an afterburning system, a measuring system, a safety protection device, etc. It is a testing machine for measuring the mechanical properties of materials. Compression mechanical properties test.
依据规程要求,拉力机定期(如每年)需要进行一次检定,当使用次数较多时应进行期间核查。According to the requirements of the regulations, the tensile machine needs to be checked regularly (such as every year), and it should be checked during the period when it is used more frequently.
目前计量机构用于检定拉力机的标准测力仪如图1所示,标准测力仪由标准测量仪1 和数字显示器2组成。检定方法为:通过拉力机对标准测力仪(标准测力仪精度要求是拉力机精度的3倍以上)施加压力,然后对比拉力机的读数和标准测量仪的读数进行检定。At present, the standard dynamometer used by the measuring organization to verify the tensile machine is shown in Figure 1. The standard dynamometer is composed of a
目前计量机构用于检定拉力机的标准测力仪的不足之处在于:The shortcomings of the standard dynamometer used by the measuring organization to verify the tensile machine at present are:
在检定经常用于施加拉力工作状况的拉力机时,When calibrating a tension machine that is often used to apply tension in working conditions,
只能提供测量压力的标准测力仪如图1的装置去进行检定,这种无法在拉力机实际工作情况下进行检定的方法会给拉力机的实际使用时带来误差,缺乏说服力。Only the standard dynamometer that can measure the pressure can be used for verification as shown in Figure 1. This method cannot be verified under the actual working conditions of the tensile machine, which will bring errors in the actual use of the tensile machine and is not convincing.
实用新型内容Utility model content
本实用新型所要解决的技术问题是:The technical problem to be solved by this utility model is:
发明一种标准拉力测力仪,可串联需要检测的拉力传感器,用标准拉力测力仪的读数代替拉力机的读数,间接提高了拉力机的精度。A standard tensile force measuring instrument is invented, which can be connected in series with the tensile force sensors to be detected, and the reading of the standard tensile force measuring instrument is used to replace the reading of the tensile force machine, thereby indirectly improving the precision of the tensile force machine.
本实用新型的一种用于检定拉力机的标准拉力测力仪的技术方案:The technical scheme of the standard tensile force measuring instrument used for calibrating the tensile force machine of the present utility model:
一种用于检定拉力机的标准拉力测力仪,由标准拉力测力仪1、拉力机挂具3、数字显示器2和拉力机夹具31组成。The utility model relates to a standard tensile force measuring instrument for calibrating a tensile force machine.
所述拉力机挂具3有2个,分别位于所述标准拉力测力仪1的两端;所述拉力机挂具3 的一端与标准拉力测力仪1固定连接,其另一端是球头形状;The
所述拉力机夹具31的与所述拉力机挂具3相配合一端为球窝311。One end of the
本实用新型的有益效果:The beneficial effects of the present utility model:
一、可为经常用于施加拉力工作状况的拉力机提供一种实际工况下的检定方法,用如附图2的标准拉力测力仪去检定拉力机,检定的结果更具说服力;1. It can provide a verification method under actual working conditions for the tensile machine that is often used for applying tensile force. The standard tensile force measuring instrument as shown in Figure 2 is used to verify the tensile machine, and the verification result is more convincing;
二、该标准拉力测力仪可串联需要检测的拉力传感器,用标准拉力测力仪的读数代替拉力机的读数,间接提高了拉力机的精度。2. The standard tensile force measuring instrument can be connected in series with the tensile force sensor that needs to be detected, and the reading of the standard tensile force measuring instrument is used to replace the reading of the tensile force machine, which indirectly improves the precision of the tensile force machine.
附图说明Description of drawings
图1:标准测力仪示意图;Figure 1: Schematic diagram of a standard dynamometer;
图2:本实用新型的一种用于检定拉力机的标准拉力测力仪的构成示意图;Figure 2: a schematic diagram of the composition of a standard tensile force measuring instrument used for calibrating a tensile force machine according to the present utility model;
图3:本实用新型的一种用于检定拉力机的标准拉力测力仪的球窝夹具示意图;Figure 3: a schematic diagram of a ball and socket fixture of a standard tensile force measuring instrument used for calibrating a tensile force machine according to the present utility model;
图中:1-标准拉力测力仪1、2-数字显示器、3-拉力机挂具、311-球窝。In the picture: 1- Standard tensile
具体实施方式Detailed ways
下面结合附图对本实用新型的技术方案的具体实施方式进行详细说明。The specific embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings.
一种用于检定拉力机的标准拉力测力仪,如图2、图3所示,由标准拉力测力仪1、拉力机挂具3、数字显示器2和拉力机夹具31组成。A standard tensile force measuring instrument for calibrating a tensile machine, as shown in Figures 2 and 3, consists of a standard tensile
所述拉力机挂具3有2个,分别位于所述标准拉力测力仪1的两端;所述拉力机挂具3 的一端与标准拉力测力仪1固定连接,其另一端是球头形状。The
所述拉力机夹具31的与所述拉力机挂具3相配合一端为球窝311。One end of the
其中拉力机挂具3根据每台拉力机钳口的类型进行定制,拉力机夹具31的一端要求配合标准拉力测力仪做成球窝的形式。标准拉力测力仪做成通用的结构,通用结构为两头是球头的形式。The
优选地,所述拉力机挂具3的一端与标准拉力测力仪1采用螺栓连接。Preferably, one end of the
检定方法为:拉力机夹持好夹具并且挂上标准拉力测力仪后,通过拉力机对标准测力仪(标准测力仪精度要求是拉力机精度的3倍以上)施加拉力,然后对比拉力机的读数和标准测量仪的读数进行检定。The verification method is: after the tension machine clamps the fixture and hangs the standard tension tester, apply a tension force to the standard tension tester (the accuracy of the standard tester is more than 3 times that of the tension machine) through the tension machine, and then compare the tension force. The reading of the machine and the reading of the standard measuring instrument are verified.
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Address after: 510663 Building 2, 223 science Avenue, Guangzhou City, Guangdong Province Patentee after: China Southern Power Grid Corporation Ultra High Voltage Transmission Company Electric Power Research Institute Country or region after: China Address before: 510663 Building 2, 223 science Avenue, Guangzhou City, Guangdong Province Patentee before: MAINTENANCE & TEST CENTRE, CSG EHV POWER TRANSMISSION Co. Country or region before: China |