CN114659905A - High-strength bolt axial force torque tension automatic tester - Google Patents

High-strength bolt axial force torque tension automatic tester Download PDF

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Publication number
CN114659905A
CN114659905A CN202210256860.6A CN202210256860A CN114659905A CN 114659905 A CN114659905 A CN 114659905A CN 202210256860 A CN202210256860 A CN 202210256860A CN 114659905 A CN114659905 A CN 114659905A
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CN
China
Prior art keywords
chain wheel
frame
connecting sleeve
strength bolt
axial force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210256860.6A
Other languages
Chinese (zh)
Inventor
陈宁
宋文广
马腾丽
于文礼
林慧明
赵洪峰
扈志刚
阴元峰
石群群
安常源
刘云龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Heng Rui Jin Testing Machine Co ltd
Original Assignee
Jinan Heng Rui Jin Testing Machine Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jinan Heng Rui Jin Testing Machine Co ltd filed Critical Jinan Heng Rui Jin Testing Machine Co ltd
Priority to CN202210256860.6A priority Critical patent/CN114659905A/en
Publication of CN114659905A publication Critical patent/CN114659905A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/22Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028Force sensors associated with force applying means
    • G01L5/0042Force sensors associated with force applying means applying a torque
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/12Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring axial thrust in a rotary shaft, e.g. of propulsion plants
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24Apparatus 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/06Special adaptations of indicating or recording means
    • G01N3/066Special adaptations of indicating or recording means with electrical indicating or recording means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0021Torsional
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0032Generation of the force using mechanical means
    • G01N2203/0037Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0266Cylindrical specimens

Abstract

The invention provides an automatic tester for axial force and torque of a high-strength bolt, which can detect various performances of the bolt and quickly and conveniently solve the problem of detection of a tension force sensor. The device comprises a workbench, a rotary loading mechanism and a horizontal moving loading mechanism; the rotary loading mechanism comprises a rotary motor, a primary transmission unit, a secondary transmission unit and a main shaft which are connected in sequence; the main shaft comprises a torque sensor, a connecting sleeve I and a connecting sleeve II, the connecting sleeve I is connected with a rotating part connecting piece, the connecting sleeve II is connected with the output end of a secondary transmission unit, the input end of the secondary transmission unit is connected with the output end of a primary transmission unit, and the input end of the primary transmission unit is connected with a rotating motor; the horizontal movement loading mechanism comprises a bearing frame, a bearing frame transverse power unit, a bearing frame rotary power unit, a reaction frame power unit and a bolt connecting piece.

Description

High-strength bolt axial force torque tension automatic tester
Technical Field
The invention relates to an automatic tester for axial force, torque and tension of a high-strength bolt, which is used for detecting a high-strength bolt connecting pair connected on a steel structure, a wind power generation and a building bridge and belongs to the technical field of testing machines.
Background
With the development of the building market, steel structures are more and more widely applied due to excellent performance of the steel structures, and various large-span buildings and bridges continuously emerge. Compared with a reinforced concrete structure, the steel structure has the unique advantages of high strength, large weight and light weight, and the brittle and hard properties of reinforced concrete determine that the load transmission path of the reinforced concrete structure is more complex than that of the steel structure in structural stress analysis, so that the reinforced concrete structure selects more steel nodes, the steel structure has more abundant node selection, and the steel structure has welded nodes, bolt connection nodes and the like. The node plays an extremely important role in the aspects of structural load transmission, earthquake damage resistance and the like, and the high-strength bolt connecting pair is used as a main component in the connection of the steel structure node, so that the importance of the high-strength bolt connecting pair is self-evident. In recent years, the detection of the high-strength bolt connecting pair is more important, and the automatic high-strength bolt detector is special detection equipment for detecting the high-strength bolt connecting pair.
The existing high-strength bolt detector has certain difficulty in the identification of an axial load sensor, and because a pulling force is needed when a high-strength bolt connecting pair is detected, the axial sensor is used for measuring the pulling force, and because the identification of the pulling sensor is very complex, firstly, a pulling standard sensor is needed, secondly, the connection with the standard sensor is also a problem, and all brands of connecting threads of the standard sensor are different.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic tester for axial force and torque of a high-strength bolt, which can detect various performances of the bolt and quickly and conveniently solve the problem of detection of a tension sensor.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an automatic tester for axial force torque of a high-strength bolt comprises a workbench, a rotary loading mechanism and a horizontal moving loading mechanism;
the rotary loading mechanism comprises a rotary motor, a primary transmission unit, a secondary transmission unit and a main shaft which are connected in sequence; the main shaft comprises a torque sensor, a connecting sleeve I and a connecting sleeve II, the connecting sleeve I and the connecting sleeve II are sleeved on the torque sensor, bearings with bearing seats are arranged on the connecting sleeve I and the connecting sleeve II, the bearing seats are arranged on a workbench, the connecting sleeve I is connected with a rotating part connecting piece, the connecting sleeve II is connected with the output end of a secondary transmission unit, the input end of the secondary transmission unit is connected with the output end of a primary transmission unit, and the input end of the primary transmission unit is connected with a rotating motor;
the horizontal movement loading mechanism comprises a bearing frame, a bearing frame transverse power unit, a bearing frame rotating power unit, a reaction frame power unit and a bolt connecting piece; the bearing frame is driven by the transverse power unit to transversely move along the workbench, the power output end of the transverse power unit of the bearing frame is connected with the reaction frame, and the reaction frame is connected with the bolt connecting piece; the bearing frame rotating power unit drives the bearing frame to rotate.
According to the preferable scheme of the high-strength bolt axial force torque tension automatic tester, the rotating part connecting piece comprises a square falcon and a sleeve; the bolt connecting piece comprises a connecting screw rod, a connecting nut, a tool seat, a base plate and a bearing base plate, one end of the connecting screw rod is connected with the bearing frame, the other end of the connecting screw rod is connected with the base plate with the connecting nut, the base plate is embedded in the tool seat, and the bearing base plate is connected to the end portion of the bearing frame.
The high-strength bolt axial force torque automatic torsion tester is an optimal scheme, the bearing frame transverse power unit comprises a rotating handle, a moving plate, a screw I, a screw II, a chain, a moving chain wheel I, a moving chain wheel II and a guide plate, the moving chain wheel I and the moving chain wheel II are arranged on a workbench, the moving chain wheel I is connected with the rotating handle through a wheel shaft, the chain is connected with the moving chain wheel I and the moving chain wheel II, the moving plate is connected with the chain through the screw I and the screw II, the guide plate is detachably connected to the workbench, and the moving plate slides relative to the guide plate.
According to the preferred scheme of the high-strength bolt axial force torque tensile automatic tester, the bearing frame rotating power unit is a rotating disc arranged between the bearing frame and the moving plate.
According to the preferred scheme of the high-strength bolt axial force torque tension automatic tester, a reaction frame power unit comprises a micro motor speed reducer, a main chain wheel, a driven chain wheel, a connecting chain and a screw nut pair, the output end of the micro motor speed reducer is connected with the main chain wheel, the connecting chain is simultaneously connected with the main chain wheel and the driven chain wheel, the driven chain wheel is connected with a screw of the screw nut pair, and a nut of the screw nut pair is connected with the reaction frame.
According to the preferred scheme of the high-strength bolt axial force torque tension automatic tester, the primary transmission unit comprises a small speed reducer chain wheel, a chain I and a chain wheel I; the second-stage transmission unit comprises a small chain wheel II, a chain II and a chain wheel III, the small chain wheel of the speed reducer is connected with the rotating motor, the chain I is connected with the small chain wheel of the speed reducer and the chain wheel I, the chain wheel I is connected on the speed reducing seat, the speed reducing seat is connected on the workbench, the small chain wheel II is connected on the speed reducing seat, the chain II is connected with the small chain wheel II and the chain wheel III, and the chain wheel III is connected on the reaction frame.
According to the preferred scheme of the high-strength bolt axial force torque tension automatic tester, the reaction frame comprises a left connecting sleeve, a left taper gasket, a left tension frame, an axial force sensor, a right tension frame, a right taper gasket and a right connecting sleeve, connecting threads are arranged between the left connecting sleeve and the right connecting sleeve, three bosses are uniformly distributed on the inner wall of the left connecting sleeve and the inner wall of the right connecting sleeve, the left tension frame and the right tension frame comprise three pull rod bodies, one end of each pull rod body is processed with a groove, and the grooves are matched with the bosses in size.
According to the preferred scheme of the high-strength bolt axial force and torque pull-twist automatic tester, the anti-rotation assembly comprises an anti-rotation shaft and an anti-rotation seat, the anti-rotation shaft is arranged at the lower end of the bearing frame, and the anti-rotation seat is arranged on the workbench and provided with a hole matched with the anti-rotation shaft. The invention has the advantages that: the loading mechanism can move up and down under the driving of the loading mechanism to complete the loading of the patterns; the rotary power supporting mechanism drives the ceramic tube to rotate, and the force measuring sensor acquires a corresponding force value to calculate the bending and bending strength.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic front view of an embodiment of the present invention.
FIG. 2 is a schematic view of a transverse power unit of a carriage according to an embodiment of the present invention.
FIG. 3 is a schematic view of a rotary power unit in accordance with an embodiment of the present invention.
Fig. 4 is a right-side view schematically illustrating an embodiment of the present invention.
FIG. 5 is a left side view of the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a horizontal movement loading mechanism according to an embodiment of the present invention.
Fig. 7 is a structural view of a reaction frame according to an embodiment of the present invention.
FIG. 8 is an assembly view of a reaction frame according to an embodiment of the present invention.
Fig. 9 is an exploded view of a reaction frame according to an embodiment of the present invention.
FIG. 10 is a left side view of the connection sleeve of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, 4 and 5, an automatic tester for axial force torque of a high-strength bolt comprises a frame body, a rotary loading mechanism and a horizontal movement loading mechanism;
the frame body comprises a workbench 6, a bottom plate 28 and supporting legs 3, the supporting legs 3 are arranged between the workbench 6 and the bottom plate 28, the adjusting supporting legs 2 and the moving wheels 1 are arranged below the bottom plate 28, and the electric appliance control box 4 is positioned on the bottom plate 28;
the rotary loading mechanism comprises a rotary motor 30, a primary transmission unit, a secondary transmission unit and a main shaft which are connected in sequence; the main shaft comprises a torque sensor 19, a connecting sleeve I18 and a connecting sleeve II 43, the connecting sleeve I18 and the connecting sleeve II 43 are sleeved on the torque sensor 19, bearings with bearing seats 20 are arranged on the connecting sleeve I18 and the connecting sleeve II 43, the bearing seats 20 are arranged on the workbench 6, the connecting sleeve I18 is connected with a rotating part connecting piece, the connecting sleeve II 43 is connected with the output end of a secondary transmission unit, the input end of the secondary transmission unit is connected with the output end of a primary transmission unit, and the input end of the primary transmission unit is connected with a rotating motor 30; the primary transmission unit comprises a small speed reducer chain wheel 27, a chain I26 and a chain wheel I24; the secondary transmission unit comprises a small chain wheel II 25, a chain II 22 and a chain wheel III 21, the small chain wheel 27 of the speed reducer is connected with the rotating motor 30, the chain I26 is simultaneously connected with the small chain wheel 27 of the speed reducer and the chain wheel I24, the chain wheel I24 is connected on the speed reducing seat 23, the speed reducing seat 23 is connected on the workbench, the small chain wheel II 25 is connected on the speed reducing seat 23, the chain II 22 is simultaneously connected with the small chain wheel II 25 and the chain wheel III 21, and the chain wheel III 21 is connected on the reaction frame 10, so that the torsion loading of the high-strength bolt is realized;
the horizontal movement loading mechanism comprises a bearing frame 7, a bearing frame transverse power unit, a bearing frame rotating power unit, a reaction frame 10, a reaction frame power unit and a bolt connecting piece; the bearing frame transverse power unit drives the bearing frame 7 to transversely move along the workbench 6, the power output end of the bearing frame transverse power unit is connected with a reaction frame 10, and the reaction frame 10 is connected with a bolt connecting piece; the bearing frame rotating power unit drives the bearing frame to rotate.
Referring to fig. 1 and 2, the lateral power unit of the bearing frame comprises a rotating handle 36.2, a moving plate 33, a screw i 38, a screw ii 36, a chain 37, a moving sprocket i 5, a moving sprocket ii 35 and a guide plate 34, wherein the moving sprocket i 5 and the moving sprocket ii 35 are arranged on the workbench 6, the moving sprocket i 5 is connected with the rotating handle 36.2 through a wheel shaft 36.1, the chain 37 is simultaneously connected with the moving sprocket i 5 and the moving sprocket ii 35, the moving plate 33 is connected with the chain 37 through the screw i 38 and the screw ii 36, the guide plate 34 is detachably connected on the workbench 6, and the moving plate 33 slides relative to the guide plate 34.
Referring to fig. 3 and 5, the bearing frame rotating power unit is a rotating disc 32 arranged between the bearing frame 7 and the moving plate 33, the rotating disc 32 is connected with a guide plate 34 in the moving guide rail, the guide plate 34 is connected with the left and right sides and two ends of a chain 37 passing through the bottom of the workbench, and a moving chain wheel i 5 and a moving chain wheel ii 35 are arranged at the bottom of the rotating workbench 6, so that the rotating disc, namely the bearing frame, moves left and right.
Referring to fig. 3, the reaction frame power unit includes a micro motor reducer 41, a main chain wheel 42, a slave chain wheel 8, a connecting chain and a screw and nut pair, the output end of the micro motor reducer 41 is connected with the main chain wheel 42, the connecting chain is simultaneously connected with the main chain wheel 42 and the slave chain wheel 8, the slave chain wheel 8 is connected with a screw of the screw and nut pair, a nut 9 of the screw and nut pair is connected with the reaction frame 10, and the screw moves left and right to realize space adjustment.
Referring to fig. 8, 9 and 10, the reaction frame 10 includes a left connection sleeve 10.1, a left taper gasket 10.2, a left tension frame 10.3, an axial force sensor 10.4, a right tension frame 10.5, a right taper gasket 10.6 and a right connection sleeve 10.7, a connection thread is arranged between the left connection sleeve 10.1 and the right connection sleeve 10.7, three bosses are uniformly distributed on the inner wall, the left tension frame 10.3 and the right tension frame 10.5 include three pull rod bodies, a groove is processed at one end of each pull rod body, and the size of the groove is matched with that of the boss. The reaction frame 10 is used for converting the pulling force into the pressure of the axial force sensor 10.4, and only the reaction frame needs to be detached during calibration and verification, and the pressure of the axial force sensor 10.4 can be calibrated and verified.
In this embodiment the rotating part connection comprises a square falcon 17 and a sleeve 16; referring to fig. 6, the bolt connector comprises a connecting screw 12, a connecting nut, a tool seat 13, a backing plate 14 and a bearing backing plate 14.1, one end of the connecting screw 12 is connected with the bearing frame 7, the other end of the connecting screw is connected with the backing plate 14 with the connecting nut, the backing plate 14 can be embedded in the tool seat 13 in a replaceable mode, and the bearing backing plate 14.1 is connected to the end portion of the bearing frame 7.
Referring to fig. 6, the present embodiment further includes an anti-rotation assembly, the anti-rotation assembly includes an anti-rotation shaft 39 and an anti-rotation seat 40, the anti-rotation shaft 39 is disposed at the lower end of the bearing frame 7, the anti-rotation seat 40 is disposed on the workbench 6, and a hole matched with the anti-rotation shaft 39 is disposed on the anti-rotation seat 40 to prevent the bearing frame 7 from rotating.
The different frock of change can realize following detection function:
1. detecting the axial force of the high-strength bolt connection pair:
the high-strength bolt penetrates through a hole of the corresponding base plate 14 and then is placed in the tool seat 13, the test space is adjusted, the threaded part of the high-strength bolt just penetrates through the bearing base plate 14.1, the exposed length is 3-5 mm larger than the thickness of the nut and the gasket, the gasket is placed on the high-strength bolt, the nut is screwed on, the sprocket handle 36.2 is rotated and moved, the bearing frame 7 is moved to the right, the nut of the high-strength bolt is just inserted into the sleeve 16, the right main shaft is rotated, and the limit axial bearing capacity or the required axial force of the high-strength bolt connecting pair 15 can be measured according to requirements.
2. Detecting the construction torque of the high-strength bolt connection pair:
the high-strength bolt penetrates through a hole of the corresponding base plate 14 and then is placed in the tool seat 13, the test space is adjusted, the threaded part of the high-strength bolt just penetrates through the bearing base plate 14.1, the exposed length is 3-5 mm larger than the thickness of the nut and the gasket, the gasket is placed on the high-strength bolt, the nut is screwed on, the sprocket handle 36.2 is rotated and moved, the bearing frame 7 is moved to the right, the nut of the high-strength bolt is just inserted into the sleeve 16, the right main shaft is rotated, and the construction torque of the high-strength bolt connecting pair 15 can be measured according to requirements.
3. Detecting the torque coefficient of the high-strength bolt connection pair:
the high-strength bolt penetrates through a hole of the corresponding backing plate 14 and then is placed in the tool seat 13, the test space is adjusted, the threaded part of the high-strength bolt just penetrates through the bearing backing plate 14.1, the exposed length is 3-5 mm larger than the thickness of the nut and the gasket, the gasket is placed on the high-strength bolt, the nut is screwed on, the chain wheel handle 36.2 is rotated and moved, the bearing frame is moved to the right, the nut of the high-strength bolt is just inserted into the sleeve, certain torque or axial force is input according to requirements, software can accurately control the input torque or axial force, the corresponding axial force or torque value exists at the moment, and the torque coefficient of the high-strength bolt connecting pair 15 can be automatically calculated by a computer.
4. And (3) reexamination of the pretension of the torsional shear type high-strength bolt connection pair:
the torsional shear type high-strength bolt penetrates through a hole of the corresponding base plate 14 and then is placed into the tool seat 13, the test space is adjusted, the threaded part of the high-strength bolt just penetrates through the bearing base plate 14.1, the length of the exposed thread is 3-5 mm larger than the thickness of the nut and the gasket, the gasket is placed, the nut is screwed, the movable chain wheel handle 36.2 is rotated, the bearing frame is moved to the right, the nut and the quincunx head of the torsional shear type high-strength bolt are just inserted into the special sleeve 16 tool, and the pretension force rechecking of the torsional shear type high-strength bolt connecting pair 15 can be realized.
5. And (3) testing the construction torque of the torsional shear type high-strength bolt pair:
the torsional shear type high-strength bolt penetrates through a hole of the corresponding base plate 14 and then is placed into the tool seat 13, the test space is adjusted, the threaded part of the high-strength bolt just penetrates through the bearing base plate 14.1, the length of the exposed thread is 3-5 mm larger than the thickness of the nut and the gasket, the gasket is placed, the nut is screwed, the movable chain wheel handle 36.2 is rotated, the bearing frame is moved to the right, the nut and the quincunx head of the torsional shear type high-strength bolt are just inserted into the special sleeve 16 tool, and the construction torque test of the torsional shear type high-strength bolt connecting pair 15 can be realized.
6. Automatically calculating the average axial force, the average torque coefficient, the standard deviation and the variation coefficient:
the high-strength bolt penetrates through a hole of the corresponding backing plate 14 and then is placed in the tool seat 13, the test space is adjusted, the threaded part of the high-strength bolt just penetrates through the bearing backing plate 14.1, the exposed length is 3-5 mm larger than the thickness of the nut and the gasket, the gasket is placed, the nut is screwed on, the sprocket handle 36.2 is rotated and moved, the bearing frame is moved to the right, the nut of the high-strength bolt is just inserted into the sleeve, the right main shaft is rotated, and the axial force and the corresponding torque of the high-strength bolt connecting pair 15 can be measured according to requirements. After the test of the array high-strength bolts is completed according to the steps, the average axial force, the average torque coefficient, the standard deviation and the variation coefficient can be automatically calculated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a high strength bolt axial force moment of torsion draws turns round automatic test appearance which characterized in that: comprises a workbench (6), a rotary loading mechanism and a horizontal movement loading mechanism;
the rotary loading mechanism comprises a rotary motor (30), a primary transmission unit, a secondary transmission unit and a main shaft which are connected in sequence; the main shaft comprises a torque sensor (19), a connecting sleeve I and a connecting sleeve II, the connecting sleeve I and the connecting sleeve II are sleeved on the torque sensor (19), bearings with bearing seats (20) are arranged on the connecting sleeve I and the connecting sleeve II, the bearing seats (20) are arranged on the workbench (6), the connecting sleeve I is connected with a rotating part connecting piece, the connecting sleeve II is connected with the output end of a secondary transmission unit, the input end of the secondary transmission unit is connected with the output end of a primary transmission unit, and the input end of the primary transmission unit is connected with a rotating motor (30);
the horizontal movement loading mechanism comprises a bearing frame (7), a bearing frame transverse power unit, a bearing frame rotary power unit, a reaction frame (10), a reaction frame power unit and a bolt connecting piece; the bearing frame transverse power unit drives the bearing frame (7) to transversely move along the workbench (6), the power output end of the bearing frame transverse power unit is connected with a reaction frame (10), and the reaction frame (10) is connected with a bolt connecting piece; the bearing frame rotating power unit drives the bearing frame to rotate.
2. The high-strength bolt axial force torque tension automatic tester as claimed in claim 1, wherein: the rotating part connecting piece comprises a falcon (17) and a sleeve (16); the bolt connecting piece comprises a connecting screw rod (12), a connecting nut, a tool base (13), a base plate (14) and a bearing base plate (14.1), one end of the connecting screw rod (12) is connected with the bearing frame (7), the other end of the connecting screw rod is connected with the base plate (14) with the connecting nut, the base plate (14) is embedded on the tool base (13), and the bearing base plate (14.1) is placed at the end part of the bearing frame (7).
3. The high-strength bolt axial force torque tension automatic tester as claimed in claim 1, wherein: bear horizontal power unit of frame includes twist grip (36.2), movable plate (33), screw I (38), screw II (36), chain (37), move sprocket I (5), move sprocket II (35) and deflector (34), move sprocket I (5) and move sprocket II (35) and set up on workstation (6), move sprocket I (5) and connect twist grip (36.2) through shaft (36.1), move sprocket I (5) and move sprocket II (35) are connected simultaneously in chain (37), movable plate (33) connect chain (37) through screw I (38) and screw II (36), deflector (34) can be dismantled and be connected on workstation (6), movable plate (33) are to deflector (34) relative slip.
4. The high-strength bolt axial force torque tension automatic tester as claimed in claim 1, wherein: the bearing frame rotating power unit is a rotating disk arranged between the bearing frame (7) and the moving plate (33).
5. The high-strength bolt axial force torque tension automatic tester as claimed in claim 1, wherein: the reaction frame power unit comprises a micro motor speed reducer (41), a main chain wheel (42), a slave chain wheel (8), a connecting chain and a screw nut pair, wherein the output end of the micro motor speed reducer (41) is connected with the main chain wheel (42), the connecting chain is simultaneously connected with the main chain wheel (42) and the slave chain wheel (8), the slave chain wheel (8) is connected with a screw of the screw nut pair, and a nut (9) of the screw nut pair is connected with the reaction frame (10).
6. The high-strength bolt axial force torque tension automatic tester as claimed in claim 1, wherein: the primary transmission unit comprises a small speed reducer chain wheel (27), a chain I (26) and a chain wheel I (24); the second-stage transmission unit comprises a small chain wheel II (25), a chain II (22) and a chain wheel III (21), the small chain wheel (27) of the speed reducer is connected with a rotating motor (30), the small chain wheel (27) of the speed reducer and the chain wheel I (24) are simultaneously connected with the chain I (26), the chain wheel I (24) is connected on the speed reducing seat (23), the speed reducing seat (23) is connected on the workbench, the small chain wheel II (25) is connected on the speed reducing seat (23), the chain II (22) is simultaneously connected with the small chain wheel II (25) and the chain wheel III (21), and the chain wheel III (21) is connected on the reaction frame (10).
7. The high-strength bolt axial force torque tension automatic tester as claimed in claim 1, wherein: the reaction frame (10) comprises a left connecting sleeve (10.1), a left taper gasket (10.2), a left tension frame (10.3), an axial force sensor (10.4), a right tension frame (10.5), a right taper gasket (10.6) and a right connecting sleeve (10.7), connecting threads are arranged between the left connecting sleeve (10.1) and the right connecting sleeve (10.7), three bosses are uniformly distributed on the inner wall of the left connecting sleeve and the right connecting sleeve, the left tension frame (10.3) and the right tension frame (10.5) comprise three pull rod bodies, one end of each pull rod body is processed with a groove, and the grooves are matched with the bosses in size.
8. The high-strength bolt axial force torque tension automatic tester as claimed in any one of claims 1 to 7, wherein: prevent changeing the subassembly including preventing pivot (39) and preventing changeing seat (40), prevent changeing the axle (39) and set up and bear the frame (7) lower extreme, prevent that transposition seat (40) set up on workstation (6) and prevent changeing and be equipped with on seat (40) and prevent pivot (39) complex hole.
CN202210256860.6A 2022-03-16 2022-03-16 High-strength bolt axial force torque tension automatic tester Pending CN114659905A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115356035A (en) * 2022-10-20 2022-11-18 华东交通大学 Bolt tightening torque detection system and detection method
CN115371882A (en) * 2022-10-24 2022-11-22 中国航发四川燃气涡轮研究院 Calibration mechanism for torque measuring device of high-power/high-rotating-speed transmission system
CN116296887A (en) * 2023-05-12 2023-06-23 邯郸正发科技有限公司 Torsional shear bolt's torsional break moment of torsion detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115356035A (en) * 2022-10-20 2022-11-18 华东交通大学 Bolt tightening torque detection system and detection method
CN115356035B (en) * 2022-10-20 2023-02-07 华东交通大学 Bolt tightening torque detection system and detection method
CN115371882A (en) * 2022-10-24 2022-11-22 中国航发四川燃气涡轮研究院 Calibration mechanism for torque measuring device of high-power/high-rotating-speed transmission system
CN116296887A (en) * 2023-05-12 2023-06-23 邯郸正发科技有限公司 Torsional shear bolt's torsional break moment of torsion detection device
CN116296887B (en) * 2023-05-12 2023-11-14 邯郸正发科技有限公司 Torsional shear bolt's torsional break moment of torsion detection device

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