CN112556915A - Bolt and nut connection pair comprehensive performance test device - Google Patents
Bolt and nut connection pair comprehensive performance test device Download PDFInfo
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- CN112556915A CN112556915A CN202011349165.1A CN202011349165A CN112556915A CN 112556915 A CN112556915 A CN 112556915A CN 202011349165 A CN202011349165 A CN 202011349165A CN 112556915 A CN112556915 A CN 112556915A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
- G01L5/243—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using washers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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Abstract
The invention belongs to the technical field of fastener performance testing, and particularly relates to a bolt and nut connection pair comprehensive performance testing device, which is compared with the prior art, wherein (1) the bolt and nut connection pair comprehensive performance testing device breaks through the situation that a bolt fastener torsion testing machine depends on foreign import; (2) the device can detect the fastening torque and the axial pretightening force of fastening pieces such as high-strength bolts, screws and nuts and connecting piece products, and can also detect the friction torque of a bearing surface, the friction coefficient of the bearing surface, the thread friction coefficient and the total friction coefficient.
Description
Technical Field
The invention belongs to the technical field of fastener performance testing, and particularly relates to a comprehensive performance testing device for a bolt and nut connecting pair.
Background
Most of bolt fastener torsion testing machines in the prior art are imported products, bolt fastener performance testing also depends on foreign imported equipment, domestic enterprises are urgently needed to analyze and research in the aspect of threaded fastener testing, and a testing and controlling system and software are independently researched and developed, so that the testing machine has independent intellectual property. In addition, the bolt fastener torsion testing machine in the prior art can generally detect torque, axial pretightening force and torque coefficient in the test, but can not detect friction torque of a bearing surface, friction coefficient of the bearing surface, thread friction coefficient and total friction coefficient.
Disclosure of Invention
Aiming at the problems, the invention provides a comprehensive performance test device for a bolt and nut connecting pair.
In order to achieve the purpose, the invention adopts the technical scheme that: a comprehensive performance test device for a bolt and nut connection pair comprises a machine body supporting cabinet, an equipment platen, a fastening torque applying device and a test tool, wherein the fastening torque applying device and the test tool are respectively arranged on two sides of the length direction of the equipment platen; the fastening torque applying device is sequentially provided with a power device, a dynamic torque sensor and a torque sleeve, and the torque sleeve can be driven by the power device to twist a nut arranged on the test bolt; the center line of the test tool is sequentially provided with a front bearing pressure plate, a bearing pull sleeve, an anti-rotation clamping sleeve, a sensor support and a quick pressing mechanism; the front bearing pressure plate is disc-shaped, a through hole is formed in the center of the front bearing pressure plate, and the central axis of the through hole is overlapped with the central axis of the torsion sleeve; a screw rod of the test bolt penetrates through the through hole and is perpendicular to the front bearing pressure plate, and the head of the test bolt is positioned on one side of the front bearing pressure plate, which is far away from the fastening torque applying device, and is clamped by the anti-rotation clamping sleeve; the anti-rotation clamping sleeve is connected with the sensor bracket through an anti-rotation key and is pressed and fixed by the rapid pressing mechanism; a tension-torsion composite sensor is sleeved on the periphery of the bearing pull sleeve, and the front and the back of the tension-torsion composite sensor are detachably connected with the front bearing pressing plate and the sensor bracket respectively; the nut is in threaded connection with a screw of the test bolt and is contacted and pressed tightly with the front bearing pressure plate through a nut gasket under the action of the torsion sleeve; and in the process of contacting and pressing the nut gasket on the front bearing pressure plate, the tension-torsion composite sensor measures the pressure and the friction torque applied to the surface of the front bearing pressure plate by the nut gasket.
Preferably, the power device of the fastening torque applying device comprises a servo motor and a speed reducer, and the output end of the speed reducer is connected with the dynamic torque sensor through a coupler.
Preferably, the dynamic torque sensor is detachably connected with the torque sleeve through a sensor output sleeve at the end far away from the speed reducer.
Preferably, the sensor support is a plate-shaped structure with the bearing pull sleeve in the center, is parallel to the front bearing press plate and is detachably or fixedly connected with the test tool bottom plate; the bearing pull sleeve is of a cylindrical structure, the outer diameter of the cylinder of the bearing pull sleeve is 0.1-0.2mm smaller than the inner diameter of the central hole of the pull-twist composite sensor, and the central axis of the cylinder of the bearing pull sleeve is perpendicular to the sensor support and is superposed with the central line of the pull-twist composite sensor and the central line of the front bearing press plate.
As preferred, bear and draw set periphery cover to establish and draw and turn round compound sensor, draw to turn round compound sensor around respectively with preceding bearing pressure plate, sensor support can dismantle the connection, specifically do: the bearing pull sleeve penetrates through a central hole of the tension-torsion composite sensor, the front end face of the bearing pull sleeve is recessed 0.5mm in comparison with the front end face of the tension-torsion composite sensor, and the rear end face of the tension-torsion composite sensor is attached to the front surface of the sensor support; the front and the back of the tension-torsion composite sensor are detachably connected with the front bearing pressing plate and the sensor support through mounting holes respectively.
Preferably, a screw through hole is formed in the center, close to the front bearing pressure plate, of the end face of the bearing pull sleeve, a test bolt sample inlet hole is formed in the end, far away from the front bearing pressure plate, of the bearing pull sleeve, the test bolt is placed in the test bolt sample inlet hole, the head of the test bolt is clamped by an anti-rotation clamping sleeve, and a hole pattern matched with the shape of the head of the test bolt is formed in the anti-rotation clamping sleeve, close to the end of the test bolt.
Preferably, the test tool is connected with the upper surface of the equipment bedplate in a sliding manner, and specifically comprises the following steps: the testing tool base plate is characterized in that sliding blocks are arranged at the bottoms of two ends of the testing tool base plate in the width direction, linear guide rails matched with the sliding blocks are arranged on the upper surface of the equipment platen, and the linear guide rails are parallel to the length direction of the equipment platen.
Preferably, a sensor supporting column is arranged below the dynamic torque sensor; and a bearing matched with the sensor output sleeve is arranged outside the sensor output sleeve.
Preferably, a metal cover is provided outside the fastening torque applying device, and the torsion sleeve extends out of the metal cover.
Preferably, a transparent openable protective cover is arranged outside the test tool; the quick pressing mechanism is a spiral pressing device.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) the comprehensive performance test device of the bolt and nut connection pair breaks through the situation that the torsion test machine of the bolt fastener is imported from foreign countries; (2) the device can detect the fastening torque and the axial pretightening force of fastening pieces such as high-strength bolts, screws and nuts and connecting piece products, and can also detect the friction torque of a bearing surface, the friction coefficient of the bearing surface, the thread friction coefficient and the total friction coefficient.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below, fig. 1 is a schematic diagram of a device for testing the comprehensive performance of a bolt-nut connection pair provided in the embodiment 1, fig. 2 is a schematic diagram of a front bearing pressure plate and a test bolt head in the device for testing the comprehensive performance of a bolt-nut connection pair, fig. 3 is a schematic diagram of a sensor bracket and a bearing pull sleeve of the device for testing the comprehensive performance of a bolt-nut connection pair, and fig. 4 is a schematic diagram of an anti-rotation clamp sleeve and an anti-rotation key in the device for testing the comprehensive performance of a bolt.
The device comprises a machine body supporting cabinet, 2 equipment platens, 3 torque sleeves, 4 dynamic torque sensors, 5 front bearing pressing plates, 6 tension-torsion composite sensors, 7 sensor supports, 8 quick pressing mechanisms, 9 linear guide rails, 10 transparent openable protective covers, 11 servo motors, 12 speed reducers, 13 bearings, 14 sensor output sleeves, 15 metal covers, 16 sensor supporting columns, 17 couplers, 18 bearing tension sleeves, 19 anti-rotation clamping sleeves, 20 mounting holes, 21 nuts, 22 test bolts, 23 test tool bottom plates, 24 anti-rotation keys, 25 nut gaskets and 51 through holes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1
The invention is further described with reference to fig. 1-4, and a comprehensive performance testing device for a bolt-nut connection pair, as shown in fig. 1, comprises a machine body supporting cabinet 1, an equipment platen 2, a fastening torque applying device and a testing tool, wherein the fastening torque applying device and the testing tool are respectively arranged on two sides of the equipment platen 2 in the length direction, the fastening torque applying device is detachably connected with the upper surface of the equipment platen 2, and the testing tool is connected with the upper surface of the equipment platen 2 in a sliding manner.
As shown in fig. 1, a power device, a dynamic torque sensor 4 and a torque sleeve 3 are sequentially arranged in the fastening torque applying device, and the torque sleeve 3 can be driven by the power device to twist a nut 21 mounted on a test bolt 22; the central line of the test tool is sequentially provided with a front bearing pressure plate 5, a bearing pull sleeve 18, an anti-rotation cutting sleeve 19, a sensor support 7 and a quick pressing mechanism 8.
As shown in fig. 2, the front pressure plate 5 is disc-shaped and has a through hole 51 at the center, and the central axis of the through hole 51 coincides with the central axis of the torsion sleeve 3.
As shown in fig. 1, 2 and 4, the screw of the test bolt 22 passes through the through hole 51 and is perpendicular to the front bearing pressure plate 5, and the head of the test bolt 22 is on the side of the front bearing pressure plate 5 far away from the fastening torque applying device and is clamped by the anti-rotation clamp sleeve 19; the anti-rotation clamp sleeve 19 is connected with the sensor bracket 7 through an anti-rotation key 24 and is pressed and fixed by the quick pressing mechanism 8.
As shown in figure 1, the tension-torsion composite sensor 6 is sleeved on the periphery of the bearing tension sleeve 18, and the front and the back of the tension-torsion composite sensor 6 are respectively detachably connected with the front bearing pressure plate 5 and the sensor support 7.
As shown in fig. 1 and 2, the nut 21 is in threaded connection with the screw of the test bolt 22 and contacts and presses the front bearing pressure plate 5 through the nut washer 25 under the action of the torsion sleeve 3; the tension-torsion composite sensor 6 measures the pressure and friction torque applied by the nut washer 25 to the surface of the front bearing pressure plate 5 during the process that the nut washer 25 contacts and compresses the front bearing pressure plate 5.
As shown in fig. 1, the power unit of the fastening torque applying device includes a servo motor 11 and a speed reducer 12, and the output end of the speed reducer 12 is connected to the dynamic torque sensor 4 through a coupling 17. The end of the dynamic torque sensor 4 far away from the speed reducer 12 is detachably connected with the torque sleeve 3 through a sensor output sleeve 14.
As shown in fig. 3, the sensor bracket 7 is a plate-shaped structure with a bearing pull sleeve 18 at the center, and the sensor bracket 7 is parallel to the front bearing press plate 5 and is detachably or fixedly connected with the test tool bottom plate 23; the bearing pull sleeve 18 is of a cylindrical structure, the outer diameter of the cylinder of the bearing pull sleeve 18 is 0.1-0.2mm smaller than the inner diameter of the central hole of the tension-torsion composite sensor 6, and the central axis of the cylinder of the bearing pull sleeve 18 is perpendicular to the sensor support 7 and is superposed with the central line of the tension-torsion composite sensor 6 and the central line of the front bearing pressure plate 5.
As shown in fig. 1, bear and draw 18 periphery covers of cover to establish and draw and turn round compound sensor 6, draw to turn round compound sensor 6 around respectively with preceding bearing pressure plate 5, sensor support 7 can dismantle the connection, specifically do: the bearing pull sleeve 18 penetrates through a central hole of the tension-torsion composite sensor 6, the front end face of the bearing pull sleeve 18 is recessed 0.5mm in comparison with the front end face of the tension-torsion composite sensor 6, and the rear end face of the tension-torsion composite sensor 6 is attached to the front surface of the sensor support 7; the front and the back of the tension-torsion composite sensor 6 are respectively detachably connected with the front bearing pressing plate 5 and the sensor bracket 7 through mounting holes 20.
As shown in fig. 3 and 4, a screw through hole is formed in the center of the end face, close to the front bearing pressure plate 5, of the bearing pull sleeve 18, a test bolt sample inlet hole is formed in the end, far away from the front bearing pressure plate 5, of the bearing pull sleeve 18, a test bolt 22 is placed in the test bolt sample inlet hole, the head of the test bolt 22 is clamped by an anti-rotation clamping sleeve 19, and a hole pattern matched with the shape of the head of the test bolt 22 is formed in the end, close to the test bolt 22, of the anti-.
Experimental frock and 2 upper surface sliding connection of equipment platen specifically are: the bottom of the two ends of the test tool bottom plate 23 in the width direction is provided with a sliding block, the upper surface of the equipment platen 2 is provided with a linear guide rail 9 matched with the sliding block, and the linear guide rail 9 is parallel to the length direction of the equipment platen 2.
As shown in fig. 1, a sensor support column 16 is arranged below the dynamic torque sensor 4; and a bearing 13 matched with the sensor output sleeve 14 is arranged outside the sensor output sleeve.
As shown in fig. 1, a metal cover 15 is provided outside the fastening torque applying device, and the torque sleeve 3 is extended out of the metal cover 15; a transparent openable protective cover 10 is arranged outside the test tool; the quick hold-down mechanism 8 is a screw hold-down.
The invention relates to a bolt and nut connecting pair comprehensive performance test device, which has the working principle that: loosening the quick pressing mechanism 8, placing the test bolt 22 into a test bolt sample inlet of the bearing pull sleeve 18, wherein the head of the test bolt 22 is positioned in the bearing pull sleeve 18, and the screw of the test bolt 22 penetrates through the screw through hole of the bearing pull sleeve 18 and the through hole 51 of the front bearing press plate 5; according to the type and the material of the test bolt, selecting a proper anti-rotation clamping sleeve 19, placing the anti-rotation clamping sleeve 19 into a test bolt sample injection hole of the bearing pull sleeve 18, clamping the hole type of the anti-rotation clamping sleeve 19 with the head of the test bolt 22, applying pressure to the anti-rotation clamping sleeve 19 from the outside by the quick pressing mechanism 8, and enabling the head of the test bolt 22 to be tightly attached to the end face of the bearing pull sleeve 18; manually screwing the nut 21 into the end part of the screw rod of the test bolt 22, and arranging a nut gasket 25 on the side of the nut 21 far away from the fastening torque applying device; pushing the test tool bottom plate 23 to the fastening torque applying device side, and moving a slide block below the test tool bottom plate 23 to the fastening torque applying device along the linear guide rail 9; when the nut 21 enters the torsion sleeve 3 (only 4/5 parts of the nut 21 can enter the torsion sleeve 3 with the corresponding specification in the length direction), the servo motor 11 is started to drive the torsion sleeve 3 to rotate, and meanwhile, the test tooling bottom plate 23 continues to move towards the fastening torque applying device;
in the process of bearing the pressure plate 5 before the nut gasket 25 is contacted and compressed, the total fastening torque T can be measured by using the dynamic torque sensor 4; in the process that the nut gasket 25 contacts and compresses the front bearing pressure plate 5, the tension-torsion composite sensor can measure the pretightening force F and the friction torque T of the bearing surface (the contact surface of the front bearing pressure plate 5 and the nut gasket 25)bThe dynamic torque sensor measures the total fastening torque T, and the torque coefficient, the total friction coefficient, the bearing surface friction coefficient and the bending coefficient can be calculated by utilizing a correlation formula in IS016047Fastening shaft force, etc. are taken into account and displayed.
(1) Friction torque T of bearing surfacebCan be directly measured by the tension-torsion composite sensor 6.
(2) Coefficient of friction mu of bearing surfaceb: the friction torque T of the bearing surface is measured and measured by the tension-torsion composite sensor 6 in the comprehensive performance test device of the bolt-nut connecting pairbPretightening force F and the outer diameter D of the supporting surface of the input nut 210Inner diameter d of nut washer 25hThen, the coefficient of friction μ of the bearing surface can be obtainedb。
The comprehensive performance test device of the bolt and nut connecting pair adopts the following formula to calculate and display the friction coefficient mu of the bearing surfaceb。
Wherein, for the annular bearing surface,
(3) coefficient of thread friction muth：
The friction torque T of the bearing surface is measured by the tension-torsion composite sensor 6 in the comprehensive performance test device of the bolt-nut connection pairbAfter the total fastening torque T is measured by the dynamic torque sensor 4, the total fastening torque T is used for measuring the friction torque T of the bearing surfacebObtaining the torque T of the threadth。
Then, the tension-torsion composite sensor 6 in the bolt-nut connection pair comprehensive performance test device is used for measuring the pretightening force F, and the pretightening force F is input into a test bolt 22, wherein the pitch P and the pitch diameter d of the thread2The thread friction coefficient mu can be obtainedth。
The comprehensive performance test device of the bolt and nut connecting pair adopts the following formula to calculate and display the thread friction coefficient muth。
(4) Coefficient of total friction mutotIs the coefficient of thread friction muthCoefficient of friction with bearing surface mubAnd (4) summing.
Example 2
The difference between this example and example 1 is: the outer diameter of the bearing pull sleeve 18 is 0.1mm smaller than the inner diameter of the central hole of the tension-torsion composite sensor 6;
the upper surface of the equipment bedplate 2 is provided with a lead screw guide rail 9 and a polished rod guide rail, the lead screw guide rail 9 is parallel to the polished rod guide rail, and the slide block of the test tool bottom plate 23 is respectively matched with the lead screw guide rail 9 and the polished rod guide rail.
Example 3
The difference between this example and example 1 is: the rapid pressing mechanism 8 is a cam pressing mechanism.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the above-mentioned technical details to other fields by using the equivalent embodiments with equivalent changes or modifications, but any simple modification and equivalent changes made to the above embodiments according to the technical spirit of the present invention may still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A comprehensive performance test device for a bolt and nut connection pair comprises a machine body supporting cabinet (1), an equipment platen (2), a fastening torque applying device and a test tool, wherein the fastening torque applying device and the test tool are respectively arranged on two sides of the length direction of the equipment platen (2), and the comprehensive performance test device is characterized in that the fastening torque applying device is detachably connected with the upper surface of the equipment platen (2), and the test tool is connected with the upper surface of the equipment platen (2) in a sliding manner;
the fastening torque applying device is sequentially provided with a power device, a dynamic torque sensor (4) and a torque sleeve (3), and the torque sleeve (3) can be driven by the power device to twist a nut (21) arranged on a test bolt (22);
a front bearing pressure plate (5), a bearing pull sleeve (18), an anti-rotation clamping sleeve (19), a sensor support (7) and a quick pressing mechanism (8) are sequentially arranged on the central line of the test tool;
the front bearing pressure plate (5) is disc-shaped, a through hole (51) is formed in the center of the front bearing pressure plate, and the central axis of the through hole (51) is overlapped with the central axis of the torsion sleeve (3);
the screw of the test bolt (22) penetrates through the through hole (51) and is perpendicular to the front bearing pressure plate (5), and the head of the test bolt (22) is arranged on one side, away from the fastening torque applying device, of the front bearing pressure plate (5) and clamped by the anti-rotation clamping sleeve (19); the anti-rotation clamping sleeve (19) is connected with the sensor bracket (7) through an anti-rotation key (24) and is pressed and fixed by the quick pressing mechanism (8);
the tension-torsion composite sensor (6) is sleeved on the periphery of the bearing pull sleeve (18), and the front and the back of the tension-torsion composite sensor (6) are respectively detachably connected with the front bearing pressure plate (5) and the sensor bracket (7);
the nut (21) is in threaded connection with a screw of the test bolt (22) and is contacted and pressed on the front bearing pressure plate (5) through a nut gasket (25) under the action of the torsion sleeve (3); and in the process that the nut gasket (25) contacts and presses the front bearing pressure plate (5), the tension-torsion composite sensor (6) measures the pressure and the friction torque applied to the surface of the front bearing pressure plate (5) by the nut gasket (25).
2. The bolt-nut connection pair comprehensive performance test device according to claim 1, wherein a power device of the fastening torque applying device comprises a servo motor (11) and a speed reducer (12), and an output end of the speed reducer (12) is connected with the dynamic torque sensor (4) through a coupler (17).
3. The bolt-nut connection pair comprehensive performance test device as claimed in claim 2, wherein the end, far away from the speed reducer (12), of the dynamic torque sensor (4) is detachably connected with the torque sleeve (3) through a sensor output sleeve (14).
4. The bolt-nut connection pair comprehensive performance test device according to claim 1, characterized in that the sensor support (7) is a plate-shaped structure with the bearing pull sleeve (18) at the center, and the sensor support (7) is parallel to the front bearing press plate (5) and is detachably or fixedly connected with the test tool bottom plate (23); the bearing pull sleeve (18) is of a cylindrical structure, the outer diameter of the cylinder of the bearing pull sleeve (18) is 0.1-0.2mm smaller than the inner diameter of the central hole of the tension-torsion composite sensor (6), and the central axis of the cylinder of the bearing pull sleeve (18) is perpendicular to the sensor support (7) and is superposed with the central line of the tension-torsion composite sensor (6) and the central line of the front bearing press plate (5).
5. The bolt and nut connection pair comprehensive performance test device according to claim 4, wherein a tension-torsion composite sensor (6) is sleeved on the periphery of the bearing tension sleeve (18), the tension-torsion composite sensor (6) is detachably connected with the front bearing pressure plate (5) and the sensor support (7) in the front and at the back respectively, and the test device specifically comprises: the bearing pull sleeve (18) penetrates through a center hole of the tension-torsion composite sensor (6), the front end face of the bearing pull sleeve (18) is recessed 0.5mm in comparison with the front end face of the tension-torsion composite sensor (6), and the rear end face of the tension-torsion composite sensor (6) is attached to the front surface of the sensor support (7); the front and the back of the tension-torsion composite sensor (6) are respectively detachably connected with the front bearing pressure plate (5) and the sensor bracket (7) through mounting holes (20).
6. The bolt-nut connection pair comprehensive performance test device according to claim 5, characterized in that a screw through hole is formed in the center of the end face, close to the front bearing pressure plate (5), of the bearing pull sleeve (18), a test bolt sample inlet hole is formed in the end, far away from the front bearing pressure plate (5), of the bearing pull sleeve (18), the head of the test bolt (22) is clamped by the anti-rotation clamping sleeve (19) after the test bolt (22) is placed in the test bolt sample inlet hole, and a hole pattern matched with the shape of the head of the test bolt (22) is formed in the end, close to the test bolt (22), of the anti-rotation clamping sleeve (19).
7. The bolt and nut connection pair comprehensive performance test device according to claim 4, wherein the test tool is in sliding connection with the upper surface of the equipment platen (2), and specifically comprises: the testing tool base plate is characterized in that sliding blocks are arranged at the bottoms of two ends of the testing tool base plate (23) in the width direction, linear guide rails (9) matched with the sliding blocks are arranged on the upper surface of the equipment platen (2), and the linear guide rails (9) are parallel to the length direction of the equipment platen (2).
8. The bolt-nut connection pair comprehensive performance test device according to claim 3, wherein a sensor support column (16) is arranged below the dynamic torque sensor (4); and a bearing (13) matched with the sensor output sleeve (14) is arranged outside the sensor output sleeve.
9. The bolt-nut connection pair comprehensive performance test device as claimed in claim 1, wherein a metal cover (15) is arranged outside the fastening torque applying device, and the torsion sleeve (3) extends out of the metal cover (15).
10. The bolt-nut connection pair comprehensive performance test device according to claim 1, wherein a transparent openable protective cover (10) is arranged outside the test tool; the rapid pressing mechanism (8) is a spiral pressing device.
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| CN202011349165.1A CN112556915B (en) | 2020-11-26 | 2020-11-26 | Bolt and nut connection pair comprehensive performance test device |
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| CN202011349165.1A CN112556915B (en) | 2020-11-26 | 2020-11-26 | Bolt and nut connection pair comprehensive performance test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504176A (en) * | 2021-09-08 | 2021-10-15 | 江苏摩信工业系统有限公司 | Tester for controlling thread friction coefficient |
| CN114593858A (en) * | 2022-03-10 | 2022-06-07 | 上海罗玛动力科技有限公司 | Portable torque analyzer |
| CN115077883A (en) * | 2022-06-21 | 2022-09-20 | 大连理工大学 | Single-bolt tightening test device and test method |
| CN116399798A (en) * | 2023-04-04 | 2023-07-07 | 上海达克罗涂复工业有限公司 | New energy automobile fastener friction coefficient tester and testing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304165Y (en) * | 1997-06-06 | 1999-01-13 | 李吉 | Socket for traffic safety warning-plate |
| CN203929305U (en) * | 2014-06-16 | 2014-11-05 | 奇瑞汽车股份有限公司 | The fastening performance testing device of a kind of bolt and nut |
| CN204165843U (en) * | 2014-10-20 | 2015-02-18 | 上海百若试验仪器有限公司 | The charger of the fastening analytic system of Multifunctional bolt |
| CN207336214U (en) * | 2017-07-10 | 2018-05-08 | 深圳万测试验设备有限公司 | A kind of bolt torsion tester fixture and bolt torsion tester |
| CN209446273U (en) * | 2019-03-30 | 2019-09-27 | 济南纳克试验设备有限公司 | A kind of large-scale wind electricity high-strength bolt comprehensive performance detection testing machine |
| CN110926931A (en) * | 2019-12-25 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Torsion-tension relation measuring device and method for airplane hinge structure |
| CN210731261U (en) * | 2019-07-31 | 2020-06-12 | 重庆源阔机械有限公司 | Bolt tapping device |
| CN111458123A (en) * | 2020-04-12 | 2020-07-28 | 北京工业大学 | Measuring device for friction coefficient and torque coefficient of threaded fastener |
-
2020
- 2020-11-26 CN CN202011349165.1A patent/CN112556915B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304165Y (en) * | 1997-06-06 | 1999-01-13 | 李吉 | Socket for traffic safety warning-plate |
| CN203929305U (en) * | 2014-06-16 | 2014-11-05 | 奇瑞汽车股份有限公司 | The fastening performance testing device of a kind of bolt and nut |
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