CN109946151B - Stretching detection combined device for embedded channel - Google Patents

Stretching detection combined device for embedded channel Download PDF

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CN109946151B
CN109946151B CN201910180881.2A CN201910180881A CN109946151B CN 109946151 B CN109946151 B CN 109946151B CN 201910180881 A CN201910180881 A CN 201910180881A CN 109946151 B CN109946151 B CN 109946151B
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clamp
fixing device
anchor
bolt
testing machine
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CN109946151A (en
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黄小红
徐斌
祁春霞
郭荣华
陈金春
李荣凯
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Jiangsu Chenggong Construction Technology Co ltd
Changzhou Institute of Technology
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Jiangsu Chenggong Construction Technology Co ltd
Changzhou Institute of Technology
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Abstract

本发明公开了一种用于预埋槽道的拉伸检测组合装置。它包括设在试验机上端的上固定装置和设在试验机下端的下固定装置,上固定装置与下固定装置之间设待测试件,上固定装置包括固定主体、用于与试验机上端相固定的上固定孔、用于容纳T型螺栓的卡槽和用于固定主体固定的凸梁,下固定装置包括与T型螺栓相匹配的螺丝孔、固定底座和用于与试验机下端相固定的下固定孔,它可以包括预埋槽道夹具,还可以包括锚杆夹具,该拉伸检测组合装置可以实现预埋槽道整体承拉能力测试,包括T型螺栓抗拉强度检测、T型螺栓及槽道和单个锚杆承拉荷载测试、T型螺栓和槽道跨中承拉荷载测试等三种测试方案。它具有设计精巧,安装操作简单,试验效率较高。

The invention discloses a tensile detection combined device for pre-embedded channels. It includes an upper fixing device located at the upper end of the testing machine and a lower fixing device located at the lower end of the testing machine. The test piece is disposed between the upper fixing device and the lower fixing device. The upper fixing device includes a fixed body and is used to connect with the upper end of the testing machine. The fixed upper fixing hole, the slot used to accommodate the T-bolt and the convex beam used to fix the main body, the lower fixing device includes the screw hole matching the T-bolt, the fixed base and the lower end of the testing machine. The lower fixing hole can include the embedded channel clamp and the anchor clamp. The tensile testing combination device can realize the overall tensile capacity test of the embedded channel, including T-bolt tensile strength testing, T-type There are three test plans: bolt, channel and single anchor bolt tensile load test, T-bolt and channel mid-span tensile load test. It has exquisite design, simple installation and operation, and high test efficiency.

Description

一种用于预埋槽道的拉伸检测组合装置A combined tensile testing device for embedded channels

技术领域Technical field

本发明涉及一种用于预埋槽道的拉伸检测组合装置。The invention relates to a combined tensile detection device for embedded channels.

背景技术Background technique

按TB/T3329-2013《电气化铁路接触网隧道内预埋槽道》标准要求,需要对预埋槽道和T型螺栓进行拉伸试验,用于检测8.8级T型螺栓的抗拉强度和槽道的承载拉伸的能力,是对预埋槽道整体承载能力的检测,乃至轨道交通的安全运行,具有十分重要的工程意义。然而,现有技术中的检测设备检测项目主要通过预埋槽道整体安装拉伸试验,试验设备庞大,安装复杂,试验项目多,效率较低,而且试验结果受预埋槽道安装效果影响较大,结果不稳定。According to the standard requirements of TB/T3329-2013 "Embedded Channels in Electrified Railway Catenary Tunnels", tensile tests need to be conducted on embedded channels and T-bolts to detect the tensile strength and grooves of grade 8.8 T-bolts. The load-bearing and tensile capacity of the channel is a test of the overall load-bearing capacity of the embedded channel, and even the safe operation of rail transit, which has very important engineering significance. However, the testing equipment testing items in the existing technology mainly rely on the overall installation tensile test of the embedded channel. The test equipment is huge, the installation is complex, there are many test items, and the efficiency is low. Moreover, the test results are greatly affected by the installation effect of the embedded channel. Large, the results are unstable.

发明内容Contents of the invention

针对上述现有技术,本发明要解决的技术问题在于提供一种用于预埋槽道的拉伸检测组合装置。它具有设计精巧,安装操作简单,方便单人独立操作,试验效率较高;试验原理简单,受其他影响因素影响较小,测试数据可靠,稳定性较高;该拉伸检测组合装置可以实现T型螺栓抗拉强度检测、T型螺栓及槽道和单个锚杆承拉荷载测试、T型螺栓和槽道跨中承拉荷载测试等三种测试方案,满足预埋槽道的所有拉伸测试参数,极大地简化了检测仪器设备。In view of the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a tensile detection combination device for embedded channels. It has exquisite design, simple installation and operation, convenient for independent operation by a single person, and high test efficiency; the test principle is simple, less affected by other influencing factors, the test data is reliable, and the stability is high; this tensile testing combination device can achieve T Three test solutions, including tensile strength testing of type bolts, tensile load testing of T-type bolts, channels and single anchors, and mid-span tensile load testing of T-bolts and channels, meet all tensile tests of embedded channels. parameters, greatly simplifying the detection equipment.

为解决上述技术问题,本发明提供了一种用于预埋槽道的拉伸检测组合装置。它包括设在试验机上端的上固定装置和设在试验机下端的下固定装置,上固定装置与下固定装置之间设待测试件,上固定装置包括固定主体、用于与试验机上端相固定的上固定孔、用于容纳T型螺栓的卡槽和用于固定主体固定的凸梁,固定主体上设上固定孔、卡槽和凸梁,凸梁下面设卡槽,凸梁中间上面设固定孔;下固定装置包括与T型螺栓相匹配的螺丝孔、固定底座和用于与试验机下端相固定的下固定孔,固定底座上设螺丝孔和下固定孔。In order to solve the above technical problems, the present invention provides a tensile detection combination device for embedded channels. It includes an upper fixing device located at the upper end of the testing machine and a lower fixing device located at the lower end of the testing machine. The test piece is disposed between the upper fixing device and the lower fixing device. The upper fixing device includes a fixed body and is used to connect with the upper end of the testing machine. The fixed upper fixing hole, the slot for accommodating T-bolts and the convex beam for fixing the fixed main body are provided with the upper fixing hole, the clamping slot and the convex beam, the lower part of the convex beam is provided with a clamping slot, and the upper part of the middle of the convex beam Fixed holes are provided; the lower fixing device includes screw holes matching the T-bolts, a fixed base and a lower fixing hole used to fix the lower end of the testing machine. The fixed base is provided with screw holes and lower fixing holes.

该用于预埋槽道的拉伸检测组合装置可以包括预埋槽道夹具,所述预埋槽道夹具包括上夹具、下夹具、夹具螺栓、上卡槽和下卡槽,上夹具设上卡槽,下夹具上设下卡槽,上夹具与下夹具通过夹具螺栓相连接,预埋槽道夹具内设在上固定装置和待测试件,待测试件通过螺纹与下固定装置相连接。The tensile detection combination device for pre-embedded channels may include a pre-embedded channel clamp. The pre-embedded channel clamp includes an upper clamp, a lower clamp, a clamp bolt, an upper clamping slot and a lower clamping slot. The upper clamp is provided with an upper clamp. The lower clamp is provided with a lower clamping slot. The upper clamp and the lower clamp are connected through clamp bolts. The embedded channel clamp is equipped with an upper fixing device and a piece to be tested. The piece to be tested is connected to the lower fixing device through threads.

该用于预埋槽道的拉伸检测组合装置还可以包括锚杆夹具,所述锚杆夹具包括锚杆夹具夹头、锚杆槽、固定螺栓孔、左锚杆夹具、右锚杆夹具,锚杆槽包括左锚杆槽和右锚杆槽,左锚杆夹具上设左锚杆槽和锚杆夹具夹头,右锚杆夹具上设右锚杆槽和固定螺栓孔,右锚杆夹具通过螺栓穿过固定螺栓孔与左锚杆夹具相连接,锚杆夹具设在上固定装置和待测试件之间,待测试件通过螺纹与下固定装置相连接。The tensile detection combined device for pre-embedded channels may also include an anchor clamp, which includes an anchor clamp chuck, an anchor groove, a fixing bolt hole, a left anchor clamp, and a right anchor clamp, The anchor slot includes a left anchor slot and a right anchor slot. The left anchor clamp is equipped with a left anchor slot and an anchor clamp chuck. The right anchor clamp is equipped with a right anchor slot and a fixing bolt hole. The right anchor clamp is equipped with a left anchor slot and a right anchor slot. The bolt passes through the fixing bolt hole and is connected to the left anchor clamp. The anchor clamp is located between the upper fixing device and the piece to be tested. The piece to be tested is connected to the lower fixing device through threads.

与现有技术相比,本发明产生的有益效果是:由于采用了上述结构,该拉伸检测组合装置可以实现预埋槽道整体承拉能力测试,包括T型螺栓抗拉强度检测、T型螺栓及槽道和单个锚杆承拉荷载测试、T型螺栓和槽道跨中承拉荷载测试等三种测试方案,满足预埋槽道的所有拉伸测试参数。它具有设计精巧,安装操作简单,方便单人独立操作,试验效率较高;试验原理简单,受其他影响因素影响较小,测试数据可靠,稳定性较高。Compared with the existing technology, the beneficial effects produced by the present invention are: due to the adoption of the above structure, the tensile detection combination device can realize the overall tensile capacity test of the embedded channel, including T-bolt tensile strength testing, T-type Three test plans, including the tensile load test of bolts, channels and single anchors, and the mid-span tensile load test of T-bolts and channels, meet all the tensile test parameters of embedded channels. It has exquisite design, simple installation and operation, convenient for independent operation by a single person, and high test efficiency; the test principle is simple, less affected by other influencing factors, the test data is reliable, and the stability is high.

附图说明Description of the drawings

图1为本发明第一种实施方式组成结构示意图;Figure 1 is a schematic structural diagram of the first embodiment of the present invention;

图2为本发明第一种实施方式上固定装置放大结构示意图;Figure 2 is an enlarged structural schematic diagram of the fixing device according to the first embodiment of the present invention;

图3为本发明第一种实施方式下固定装置放大结构示意图;Figure 3 is an enlarged structural schematic diagram of a fixing device according to the first embodiment of the present invention;

图中:10-上固定装置、11-固定主体、12-凸梁、13-上固定孔、14-卡槽、15-固定底座、16-下固定孔、17-螺丝孔、18-下固定装置和60-待测试件(63-T型螺栓);In the picture: 10-upper fixing device, 11-fixing body, 12-convex beam, 13-upper fixing hole, 14-card slot, 15-fixing base, 16-lower fixing hole, 17-screw hole, 18-lower fixation Device and 60-piece to be tested (63-T-bolt);

图4为本发明第二种实施方式组成结构示意图;Figure 4 is a schematic structural diagram of the second embodiment of the present invention;

图5为本发明第二种实施方式上固定装置放大结构示意图;Figure 5 is an enlarged structural schematic diagram of the fixing device according to the second embodiment of the present invention;

图6为本发明第二种实施方式锚杆夹具放大结构示意图;Figure 6 is an enlarged structural schematic diagram of an anchor clamp according to the second embodiment of the present invention;

图7为本发明第二种实施方式下固定装置放大结构示意图;Figure 7 is an enlarged structural schematic diagram of a fixing device according to the second embodiment of the present invention;

图中:20-上固定装置、21-固定主体、22-凸梁、23-上固定孔、24-卡槽、25-固定底座、26-下固定孔、27-螺丝孔、28-下固定装置、50-锚杆夹具、51-左锚杆夹具、52-右锚杆夹具、53-锚杆夹具夹头、54-锚杆槽、55-固定螺栓孔和70-待测试件(71-锚杆、72-槽道、73-T型螺栓);In the picture: 20-upper fixing device, 21-fixing body, 22-convex beam, 23-upper fixing hole, 24-card slot, 25-fixing base, 26-lower fixing hole, 27-screw hole, 28-lower fixing device, 50-anchor clamp, 51-left anchor clamp, 52-right anchor clamp, 53-anchor clamp chuck, 54-anchor groove, 55-fixing bolt hole and 70-piece to be tested (71- Anchor rod, 72-channel, 73-T-bolt);

图8为本发明第三种实施方式组成结构示意图;Figure 8 is a schematic structural diagram of a third embodiment of the present invention;

图9为本发明第三种实施方式上固定装置放大结构示意图;Figure 9 is an enlarged structural schematic diagram of the fixing device according to the third embodiment of the present invention;

图10为本发明第三种实施方式预埋槽道夹具放大结构示意图;Figure 10 is an enlarged structural schematic diagram of a pre-embedded channel clamp according to the third embodiment of the present invention;

图11为本发明第三种实施方式下固定装置放大结构示意图;Figure 11 is an enlarged structural schematic diagram of a fixing device according to the third embodiment of the present invention;

图中:30-上固定装置、31-固定主体、32-凸梁、33-上固定孔、34-卡槽、35-固定底座、36-下固定孔、37-螺丝孔、38-下固定装置、40-预埋槽道夹具、41-上夹具、42-上卡槽、43-夹具螺栓、44-下卡槽、45-下夹具和80-待测试件(83-T型螺栓、82—槽道、两个锚杆)。In the picture: 30-upper fixing device, 31-fixing body, 32-convex beam, 33-upper fixing hole, 34-card slot, 35-fixing base, 36-lower fixing hole, 37-screw hole, 38-lower fixation Device, 40-embedded channel clamp, 41-upper clamp, 42-upper slot, 43-clamp bolt, 44-lower slot, 45-lower clamp and 80-piece to be tested (83-T-bolt, 82 —Channel, two anchor rods).

具体实施方式Detailed ways

下面结合附图对本发明的具体实施方式作进一步详细说明。The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

图1-图3示出了本发明第一种实施方案的各种结构示意图。如图1-图3所示,本发明提供了一种用于预埋槽道的拉伸检测组合装置。它包括设在试验机上端的上固定装置10和设在试验机下端的下固定装置18,上固定装置10与下固定装置18之间设待测试件60,上固定装置10包括固定主体11、用于与试验机上端相固定的上固定孔13、用于容纳T型螺栓的卡槽14和用于固定主体11固定的凸梁12,固定主体11上设上固定孔13、卡槽14和凸梁12,凸梁12下面设卡槽14,凸梁12中间上面设上固定孔13;下固定装置18包括与T型螺栓相匹配的螺丝孔17、固定底座15和用于与试验机下端相固定的下固定孔16,固定底座15上设螺丝孔17和下固定孔16。它具有设计精巧,安装操作简单,方便单人独立操作,试验效率较高;试验原理简单,受其他影响因素影响较小,测试数据可靠,稳定性较高。本发明第一种实施方案所使用的实验材料均采用16Mn钢。Figures 1 to 3 show various structural schematic diagrams of the first embodiment of the present invention. As shown in Figures 1 to 3, the present invention provides a combined tensile testing device for embedded channels. It includes an upper fixing device 10 located at the upper end of the testing machine and a lower fixing device 18 located at the lower end of the testing machine. The test piece 60 is disposed between the upper fixing device 10 and the lower fixing device 18. The upper fixing device 10 includes a fixing body 11, An upper fixing hole 13 for fixing to the upper end of the testing machine, a slot 14 for accommodating T-bolts, and a convex beam 12 for fixing the fixing body 11. The fixing body 11 is provided with an upper fixing hole 13, a slot 14 and The protruding beam 12 is provided with a slot 14 below, and a fixing hole 13 is provided in the middle of the protruding beam 12; the lower fixing device 18 includes a screw hole 17 matching the T-bolt, a fixing base 15 and a fixing base 15 for connecting to the lower end of the testing machine. The fixed lower fixing hole 16 is provided with a screw hole 17 and a lower fixing hole 16 on the fixed base 15 . It has exquisite design, simple installation and operation, convenient for independent operation by a single person, and high test efficiency; the test principle is simple, less affected by other influencing factors, the test data is reliable, and the stability is high. The experimental materials used in the first embodiment of the present invention all use 16Mn steel.

第一种实施方式:T型螺栓63抗拉强度检测,其试验安装操作步骤如下:The first implementation mode: T-bolt 63 tensile strength testing, the test installation steps are as follows:

(1)所述试验机为万能试验机,试验机上端上固定装置10通过螺栓和上固定孔13直接固定在万能试验机上部上,然后,将受检测T型螺栓设置在用于容纳T型螺栓的卡槽14内;(1) The testing machine is a universal testing machine. The upper fixing device 10 on the upper end of the testing machine is directly fixed on the upper part of the universal testing machine through bolts and upper fixing holes 13. Then, the T-shaped bolts to be tested are set on the In the slot 14 of the bolt;

(2)将T型螺栓插入T型螺栓卡槽14,并使其位于与万能试验机轴线上;(2) Insert the T-bolt into the T-bolt slot 14 and position it on the axis of the universal testing machine;

(3)将T型螺栓的螺杆拧入试验机下端下固定装置18的螺丝孔17内;(3) Screw the screw of the T-bolt into the screw hole 17 of the lower fixing device 18 at the lower end of the testing machine;

(4)将试验机下端下固定装置18的下固定孔16装入万能试验机下部;(4) Install the lower fixing hole 16 of the lower fixing device 18 at the lower end of the testing machine into the lower part of the universal testing machine;

(5)开启试验机,按照TB/T3329-2013《电气化铁路接触网隧道内预埋槽道》标准要求进行试验。(5) Turn on the testing machine and conduct the test in accordance with the standard requirements of TB/T3329-2013 "Embedded Channels in Electrified Railway Catenary Tunnels".

图4-图7示出了本发明第二种实施方案的各种结构示意图。如图4-图7所示,本发明提供了一种用于预埋槽道的拉伸检测组合装置。它包括设在试验机上端的上固定装置20和设在试验机下端的下固定装置28,上固定装置20与下固定装置28之间设待测试件70,上固定装置20包括固定主体21、用于与试验机上端相固定的上固定孔23、用于容纳T型螺栓的卡槽24和用于固定主体21固定的凸梁22,固定主体21上设上固定孔23、卡槽24和凸梁22,凸梁22下面设卡槽24,凸梁22中间上面设上固定孔23;下固定装置28包括与T型螺栓相匹配的螺丝孔27、固定底座25和用于与试验机下端相固定的下固定孔26,固定底座25上设螺丝孔27和下固定孔26。该用于预埋槽道的拉伸检测组合装置还可以包括锚杆夹具50,所述锚杆夹具50包括锚杆夹具夹头53、锚杆槽54、固定螺栓孔55、左锚杆夹具51、右锚杆夹具52,锚杆槽54包括左锚杆槽54和右锚杆槽54,左锚杆夹具51上设左锚杆槽54和锚杆夹具夹头53,右锚杆夹具52上设右锚杆槽54和固定螺栓孔55,右锚杆夹具52通过螺栓穿过固定螺栓孔55与左锚杆夹具51相连接,锚杆夹具50设在上固定装置20和待测试件70之间,待测试件70通过螺纹与下固定装置28相连接。它具有设计精巧,安装操作简单,方便单人独立操作,试验效率较高;试验原理简单,受其他影响因素影响较小,测试数据可靠,稳定性较高。本发明第二种实施方案所使用的实验材料均采用16Mn钢。Figures 4 to 7 show various structural schematic diagrams of the second embodiment of the present invention. As shown in Figures 4 to 7, the present invention provides a combined tensile testing device for embedded channels. It includes an upper fixing device 20 located at the upper end of the testing machine and a lower fixing device 28 located at the lower end of the testing machine. The test piece 70 is disposed between the upper fixing device 20 and the lower fixing device 28. The upper fixing device 20 includes a fixing body 21, An upper fixing hole 23 for fixing to the upper end of the testing machine, a slot 24 for accommodating T-bolts, and a convex beam 22 for fixing the fixing body 21. The fixing body 21 is provided with an upper fixing hole 23, a slot 24 and The protruding beam 22 is provided with a slot 24 below, and a fixing hole 23 is provided in the middle of the protruding beam 22; the lower fixing device 28 includes a screw hole 27 matching the T-bolt, a fixing base 25 and a fixing base 25 for connecting to the lower end of the testing machine. The fixed lower fixing hole 26 is provided with a screw hole 27 and a lower fixing hole 26 on the fixed base 25. The tensile testing combined device for embedded channels may also include an anchor clamp 50 , which includes an anchor clamp chuck 53 , an anchor slot 54 , a fixing bolt hole 55 , and a left anchor clamp 51 , the right anchor clamp 52, the anchor slot 54 includes a left anchor slot 54 and a right anchor slot 54, the left anchor clamp 51 is provided with a left anchor slot 54 and an anchor clamp chuck 53, and the right anchor clamp 52 is provided with a left anchor slot 54 and an anchor clamp chuck 53. Set up a right anchor slot 54 and a fixing bolt hole 55. The right anchor clamp 52 is connected to the left anchor clamp 51 by a bolt passing through the fixing bolt hole 55. The anchor clamp 50 is located between the upper fixing device 20 and the test piece 70. During this time, the piece to be tested 70 is connected to the lower fixing device 28 through threads. It has exquisite design, simple installation and operation, convenient for independent operation by a single person, and high test efficiency; the test principle is simple, less affected by other influencing factors, the test data is reliable, and the stability is high. The experimental materials used in the second embodiment of the present invention all use 16Mn steel.

第二种实施方式:T型螺栓73—槽道72—单个锚杆71轴线承拉荷载测试,其试验安装操作步骤如下:The second implementation mode: T-bolt 73-channel 72-single anchor 71 axis tensile load test, the test installation operation steps are as follows:

(1)所述试验机为万能试验机,试验机上端上固定装置20通过螺栓和上固定孔23直接固定在万能试验机上部上;(1) The testing machine is a universal testing machine, and the upper fixing device 20 on the upper end of the testing machine is directly fixed on the upper part of the universal testing machine through bolts and upper fixing holes 23;

(2)拧松锚杆夹具50固定螺栓,将锚杆夹具50拆卸,装入预埋槽道锚杆,组合左锚杆夹具51和右锚杆夹具52,拧紧固定螺栓;(2) Loosen the fixing bolts of the anchor clamp 50, disassemble the anchor clamp 50, install the embedded channel anchor, combine the left anchor clamp 51 and the right anchor clamp 52, and tighten the fixing bolts;

(3)将锚杆夹具夹头53插入试验机上端上固定装置20的用于容纳T型螺栓的卡槽24内,锚杆夹具50上设锚杆,锚杆56上设预埋槽道,预埋槽道上设预埋槽道卡槽24;(3) Insert the anchor clamp chuck 53 into the slot 24 of the upper fixing device 20 of the testing machine for accommodating T-bolts. The anchor clamp 50 is provided with an anchor rod, and the anchor rod 56 is provided with a pre-embedded channel. The pre-embedded channel is provided with a pre-embedded channel clamping slot 24;

(4)将T型螺栓滑入预埋槽道卡槽24,并使其位于与万能试验机轴线上;(4) Slide the T-bolt into the embedded channel slot 24 and position it on the axis of the universal testing machine;

(5)将T型螺栓的螺杆拧入试验机下端下固定装置28的螺丝孔27内;(5) Screw the T-shaped bolt into the screw hole 27 of the lower fixing device 28 at the lower end of the testing machine;

(6)将试验机下端下固定装置28的下固定孔26装入万能试验机下部;(6) Install the lower fixing hole 26 of the lower fixing device 28 at the lower end of the testing machine into the lower part of the universal testing machine;

(7)开启试验机,按照TB/T3329-2013《电气化铁路接触网隧道内预埋槽道》标准要求进行试验。(7) Turn on the testing machine and conduct the test in accordance with the standard requirements of TB/T3329-2013 "Embedded Channels in Electrified Railway Catenary Tunnels".

图8-图11示出了本发明第三种实施方案的各种结构示意图。如图8-图11所示,本发明提供了一种用于预埋槽道的拉伸检测组合装置。它包括设在试验机上端的上固定装置30和设在试验机下端的下固定装置38,上固定装置30与下固定装置38之间设待测试件80,上固定装置30包括固定主体31、用于与试验机上端相固定的上固定孔33、用于容纳T型螺栓的卡槽34和用于固定主体31固定的凸梁32,固定主体31上设上固定孔33、卡槽34和凸梁32,凸梁32下面设卡槽34,凸梁32中间上面设上固定孔33;下固定装置38包括与T型螺栓相匹配的螺丝孔37、固定底座35和用于与试验机下端相固定的下固定孔36,固定底座35上设螺丝孔37和下固定孔36。该用于预埋槽道的拉伸检测组合装置可以包括预埋槽道夹具40,所述预埋槽道夹具40包括上夹具41、下夹具45、夹具螺栓43、上卡槽42和下卡槽44,上夹具41设上卡槽42,下夹具45上设下卡槽44,上夹具41与下夹具45通过夹具螺栓43相连接,预埋槽道夹具40内设在上固定装置30和待测试件80,待测试件80通过螺纹与下固定装置38相连接。它具有设计精巧,安装操作简单,方便单人独立操作,试验效率较高;试验原理简单,受其他影响因素影响较小,测试数据可靠,稳定性较高。本发明第三种实施方案所使用的实验材料均采用16Mn钢。Figures 8 to 11 show various structural schematic diagrams of the third embodiment of the present invention. As shown in Figures 8 to 11, the present invention provides a combined tensile testing device for embedded channels. It includes an upper fixing device 30 located at the upper end of the testing machine and a lower fixing device 38 located at the lower end of the testing machine. The test piece 80 is disposed between the upper fixing device 30 and the lower fixing device 38. The upper fixing device 30 includes a fixing body 31, An upper fixing hole 33 for fixing to the upper end of the testing machine, a slot 34 for accommodating T-bolts, and a convex beam 32 for fixing the fixing body 31. The fixing body 31 is provided with an upper fixing hole 33, a slot 34 and The protruding beam 32 is provided with a slot 34 below, and an upper fixing hole 33 is provided in the middle of the protruding beam 32; the lower fixing device 38 includes a screw hole 37 matching the T-bolt, a fixing base 35 and a fixing base 35 for connecting to the lower end of the testing machine. The fixed lower fixing hole 36 is provided with a screw hole 37 and a lower fixing hole 36 on the fixed base 35. The tensile testing combined device for pre-embedded channels may include a pre-embedded channel clamp 40. The pre-embedded channel clamp 40 includes an upper clamp 41, a lower clamp 45, a clamp bolt 43, an upper slot 42 and a lower clamp. slot 44, the upper clamp 41 is provided with an upper slot 42, the lower clamp 45 is provided with a lower slot 44, the upper clamp 41 and the lower clamp 45 are connected by clamp bolts 43, and the embedded channel clamp 40 is provided in the upper fixing device 30 and The piece to be tested 80 is connected to the lower fixing device 38 through threads. It has exquisite design, simple installation and operation, convenient for independent operation by a single person, and high test efficiency; the test principle is simple, less affected by other influencing factors, the test data is reliable, and the stability is high. The experimental materials used in the third embodiment of the present invention all use 16Mn steel.

第三种实施方式:T型螺栓83—槽道82跨中(T型螺栓83—槽道82—两个锚杆(图中未视出))承拉荷载测试,其试验安装操作步骤如下:The third implementation mode: T-bolt 83-channel 82 mid-span (T-bolt 83-channel 82-two anchors (not shown in the figure)) tensile load test, the test installation operation steps are as follows:

(1)所述试验机为万能试验机,试验机上端上固定装置30通过螺栓和上固定孔33直接固定在万能试验机上部上;(1) The testing machine is a universal testing machine, and the upper fixing device 30 on the upper end of the testing machine is directly fixed on the upper part of the universal testing machine through bolts and upper fixing holes 33;

(2)将上固定装置30的凸梁12嵌入预埋槽道夹具40的上卡槽42,上固定装置30的上固定孔33两端各放置一个预埋槽道夹具40,且对称分布;预埋槽道设在上卡槽42和下卡槽44之间,(2) Insert the convex beam 12 of the upper fixing device 30 into the upper slot 42 of the pre-embedded channel clamp 40, and place one pre-embedded channel clamp 40 at both ends of the upper fixing hole 33 of the upper fixing device 30, and distribute them symmetrically; The embedded channel is located between the upper clamping slot 42 and the lower clamping slot 44.

(3)预埋夹具下端放置预埋槽道,预埋槽道设在上卡槽42和下卡槽44之间,并拧紧夹具螺栓43;(3) Place the embedded channel at the lower end of the embedded clamp. The embedded channel is located between the upper slot 42 and the lower slot 44, and tighten the clamp bolts 43;

(4)将T型螺栓滑入预埋槽道卡槽34,并使其位于与万能试验机轴线上;(4) Slide the T-shaped bolt into the embedded channel slot 34 and position it on the axis of the universal testing machine;

(5)将T型螺栓的螺杆拧入试验机下端下固定装置38的螺丝孔37内;(5) Screw the T-shaped bolt into the screw hole 37 of the lower fixing device 38 at the lower end of the testing machine;

(6)将试验机下端下固定装置38的下固定孔36装入万能试验机下部;(6) Install the lower fixing hole 36 of the lower fixing device 38 at the lower end of the testing machine into the lower part of the universal testing machine;

(7)开启试验机,按照TB/T3329-2013《电气化铁路接触网隧道内预埋槽道》标准要求进行试验。(7) Turn on the testing machine and conduct the test in accordance with the standard requirements of TB/T3329-2013 "Embedded Channels in Electrified Railway Catenary Tunnels".

上面结合附图对本发明的具体实施方式作了详细说明,但是本发明并不限于上述实施方式,在本领域普通技术人员所具备的知识范围内,还可以对其做出种种变化。The specific embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above-mentioned embodiments, and various changes can be made thereto within the scope of knowledge of those of ordinary skill in the art.

Claims (6)

1.一种用于预埋槽道的拉伸检测组合装置,它包括设在试验机上端的上固定装置(10;20;30)和设在试验机下端的下固定装置(18;28;38),上固定装置(10;20;30)与下固定装置(18;28;38)之间设待测试件(60),其特征在于:所述上固定装置(10;20;30)包括固定主体(11;21;31)、用于与试验机上端相固定的上固定孔(13;23;33)、用于容纳T型螺栓的卡槽(14;24;34)和用于固定主体(11;21;31)固定的凸梁(12;22;32),固定主体(11;21;31)上设上固定孔(13;23;33)、卡槽(14;24;34)和凸梁(12;22;32),凸梁(12;22;32)下面设卡槽(14;24;34),凸梁(12;22;32)中间上面设固定孔;下固定装置(18;28;38)包括与T型螺栓相匹配的螺丝孔(17;27;37)、固定底座(15;25;35)和用于与试验机下端相固定的下固定孔(16;26;36),固定底座(15;25;35)上设螺丝孔(17;27;37)和下固定孔(16;26;36);所述用于预埋槽道的拉伸检测组合装置包括预埋槽道夹具(40),所述预埋槽道夹具(40)包括上夹具(41)、下夹具(45)、夹具螺栓(43)、上卡槽(42)和下卡槽(44),上夹具(41)设上卡槽(42),下夹具(45)上设下卡槽(44),上夹具(41)与下夹具(45)通过夹具螺栓(43)相连接,预埋槽道夹具(40)内设上固定装置(10;20;30)和待测试件(60),待测试件(60)通过螺纹与下固定装置(18;28;38)相连接;所述用于预埋槽道的拉伸检测组合装置包括锚杆夹具(50),所述锚杆夹具(50)包括锚杆夹具夹头(53)、锚杆槽(54)、固定螺栓孔(55)、左锚杆夹具(51)、右锚杆夹具(52),锚杆槽(54)包括左锚杆槽(54)和右锚杆槽(54),左锚杆夹具(51)上设左锚杆槽(54)和锚杆夹具夹头(53),右锚杆夹具(52)上设右锚杆槽(54)和固定螺栓孔(55),右锚杆夹具(52)通过螺栓穿过固定螺栓孔(55)与左锚杆夹具(51)相连接,锚杆夹具(50)设在上固定装置(10;20;30)和待测试件(60)之间,待测试件(60)通过螺纹与下固定装置(18;28;38)相连接;将锚杆夹具夹头(53)插入试验机上端上固定装置(10;20;30)的用于容纳T型螺栓的卡槽(14;24;34)内,锚杆夹具(50)上设锚杆,锚杆上设预埋槽道,预埋槽道上设预埋槽道卡槽(14;24;34)。1. A combined tensile testing device for embedded channels, which includes an upper fixing device (10; 20; 30) located at the upper end of the testing machine and a lower fixing device (18; 28; 28) located at the lower end of the testing machine; 38), a test piece (60) is provided between the upper fixing device (10; 20; 30) and the lower fixing device (18; 28; 38), characterized in that: the upper fixing device (10; 20; 30) It includes a fixing body (11; 21; 31), an upper fixing hole (13; 23; 33) for fixing with the upper end of the testing machine, a slot (14; 24; 34) for accommodating T-bolts and a The fixed main body (11; 21; 31) is fixed with a convex beam (12; 22; 32), and the fixed main body (11; 21; 31) is provided with fixing holes (13; 23; 33) and clamping grooves (14; 24; 34) and the protruding beam (12; 22; 32), the protruding beam (12; 22; 32) is provided with a slot (14; 24; 34) below, and a fixing hole is provided in the middle of the protruding beam (12; 22; 32); The fixing device (18; 28; 38) includes screw holes (17; 27; 37) that match the T-bolts, a fixed base (15; 25; 35) and a lower fixing hole (15; 25; 35) used to fix the lower end of the testing machine. 16; 26; 36), the fixed base (15; 25; 35) is provided with screw holes (17; 27; 37) and lower fixing holes (16; 26; 36); the above is used for stretching the embedded channel The detection combination device includes a pre-embedded channel clamp (40), which includes an upper clamp (41), a lower clamp (45), a clamp bolt (43), an upper slot (42) and a lower clamp. The upper clamp (41) is provided with an upper clamp slot (42), and the lower clamp (45) is provided with a lower clamp slot (44). The upper clamp (41) and the lower clamp (45) pass through the clamp bolt (43) Connected, the embedded channel fixture (40) is equipped with an upper fixing device (10; 20; 30) and a piece to be tested (60), and the piece to be tested (60) is connected to the lower fixing device (18; 28; 38) through threads connected; the tensile detection combination device for pre-embedded channels includes an anchor clamp (50), and the anchor clamp (50) includes an anchor clamp chuck (53), an anchor groove (54), Fixed bolt hole (55), left anchor clamp (51), right anchor clamp (52), anchor slot (54) includes left anchor slot (54) and right anchor slot (54), left anchor clamp (51) is provided with a left anchor groove (54) and an anchor clamp chuck (53), and the right anchor clamp (52) is provided with a right anchor groove (54) and a fixing bolt hole (55). (52) is connected to the left anchor clamp (51) by passing the bolt through the fixing bolt hole (55). The anchor clamp (50) is located between the upper fixing device (10; 20; 30) and the test piece (60) During the test, the piece to be tested (60) is connected to the lower fixing device (18; 28; 38) through threads; insert the anchor clamp chuck (53) into the upper fixing device (10; 20; 30) at the upper end of the testing machine. In the slot (14; 24; 34) that accommodates the T-bolt, the anchor clamp (50) is provided with an anchor rod, the anchor rod is provided with a pre-embedded channel, and the pre-embedded channel is provided with a pre-embedded channel latching slot (14; 24;34). 2.如权利要求1所述的用于预埋槽道的拉伸检测组合装置,其特征在于:将T型螺栓插入T型螺栓卡槽(14;24;34),并使其位于与万能试验机轴线上。2. The tensile detection combined device for pre-embedded channels according to claim 1, characterized in that: the T-bolt is inserted into the T-bolt slot (14; 24; 34) and positioned with the universal on the axis of the testing machine. 3.如权利要求1所述的用于预埋槽道的拉伸检测组合装置,其特征在于:将上固定装置(10;20;30)的凸梁(12;22;32)嵌入预埋槽道夹具(40)的上卡槽(42),上固定装置(10;20;30)的上固定孔(13;23;33)两端各放置一个预埋槽道夹具(40),且对称分布;预埋槽道设在上卡槽(42)和下卡槽(44)之间。3. The tensile detection combined device for pre-embedded channels according to claim 1, characterized in that: the convex beam (12; 22; 32) of the upper fixing device (10; 20; 30) is embedded in the pre-embedded channel. A pre-embedded channel clamp (40) is placed at both ends of the upper clamping slot (42) of the channel clamp (40), and the upper fixing hole (13; 23; 33) of the upper fixing device (10; 20; 30), and Symmetrically distributed; the pre-embedded channel is located between the upper clamping slot (42) and the lower clamping slot (44). 4.如权利要求1-3中任一项所述的用于预埋槽道的拉伸检测组合装置,其特征在于:所述待测试件(60;70;80)为T型螺栓(63;73;83)、T型螺栓(63;73;83)—槽道(72;82)—单个锚杆(71)或T型螺栓(63;73;83)—槽道(72;82)—两个锚杆(71)。4. The tensile testing combined device for pre-embedded channels according to any one of claims 1 to 3, characterized in that: the test piece (60; 70; 80) is a T-shaped bolt (63 ;73;83), T-bolt (63;73;83)-channel (72;82)-single anchor (71) or T-bolt (63;73;83)-channel (72;82) —Two anchors (71). 5.如权利要求1-3中任一项所述的用于预埋槽道的拉伸检测组合装置,其特征在于:所述试验机为万能试验机,试验机上端上固定装置(10;20;30)通过螺栓和上固定孔(13;23;33)直接固定在万能试验机上部上。5. The tensile testing combined device for pre-embedded channels according to any one of claims 1-3, characterized in that: the testing machine is a universal testing machine, and the upper end of the testing machine is fixed by a fixing device (10; 20; 30) is directly fixed on the upper part of the universal testing machine through bolts and upper fixing holes (13; 23; 33). 6.如权利要求1-3中任一项所述的用于预埋槽道的拉伸检测组合装置,其特征在于:将试验机下端下固定装置(18;28;38)的下固定孔(16;26;36)装入万能试验机下部。6. The tensile testing combined device for pre-embedded channels according to any one of claims 1-3, characterized in that: the lower fixing hole of the lower fixing device (18; 28; 38) at the lower end of the testing machine is (16; 26; 36) is installed into the lower part of the universal testing machine.
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