CN207730561U - A kind of concrete component axial tension test device - Google Patents

A kind of concrete component axial tension test device Download PDF

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Publication number
CN207730561U
CN207730561U CN201721720112.XU CN201721720112U CN207730561U CN 207730561 U CN207730561 U CN 207730561U CN 201721720112 U CN201721720112 U CN 201721720112U CN 207730561 U CN207730561 U CN 207730561U
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CN
China
Prior art keywords
threaded rod
main body
ball
steel member
directional ball
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.)
Expired - Fee Related
Application number
CN201721720112.XU
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Chinese (zh)
Inventor
周欣竹
王潇儒
郑建军
王海柱
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.)
Zhejiang University of Technology ZJUT
Original Assignee
Zhejiang University of Technology ZJUT
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.)
Filing date
Publication date
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Priority to CN201721720112.XU priority Critical patent/CN207730561U/en
Application granted granted Critical
Publication of CN207730561U publication Critical patent/CN207730561U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of concrete component axial tension test devices, and when the non-axle center alignment of test specimen two ends tension, the unjustified generated error in axis drawing test specimen tension axle center can be effectively made up to adjust loading angle by rotatable multi-directional ball threaded rod;Furthermore concrete component connects load rod piece by adhesive can reduce error caused by the stress concentration generated at Member Lip;The concrete component of described device application pours conveniently, and described device compact, easy to operate, convenient disassembly, low cost considerably increase the ease for use and practicability of device.

Description

A kind of concrete component axial tension test device
Technical field
The utility model relates to a kind of concrete material experimental rig, especially a kind of measurement concrete component is axial The experimental rig of tensile stress belongs to construction material testing equipment field.
Background technology
Analysis of Concrete Tensile intensity is the important indicator of concrete material mechanical property, for concrete material for industry with The detail design of civil buildings, marine structure, bridge road etc. has important reference significance, on the other hand, now many mixed The measurement of solidifying soil material tensile strength is often by the way of indirect measurement again theory deduction.Therefore, if having it is a kind of it is easy to operate, The experimental rig that the high concrete tensile strength of low cost, accuracy measures can must preferably determine the tensile mechanical of concrete Can, provide more accurate reference data for application and the design of concrete material.
Invention content
The purpose of this utility model is to provide a kind of concrete component axial tension test device.
Problem to be solved in the utility model is that a kind of operation of exploitation is more convenient, cost is lower, the smaller measurement of error The experimental rig of concrete component tensile strength.
For realization the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of concrete component axial tension test device, including apparatus main body and data collecting system, it is characterised in that: The apparatus main body includes the first steel structure component, the second steel structure component, the first steel structure component and second steel Structure component axisymmetricly structure;
The first steel structure component includes the first steel member main body and the first multi-directional ball threaded rod, and described first is universal Ball threaded rod is made of the first multi-directional ball and the first threaded rod being fixedly connected with first multi-directional ball;First steel Member body is equipped with the first card slot, and first multi-directional ball is embedded in first card slot, and described first is universal Ball is disposed between ball and first card slot, first multi-directional ball is matched by the ball and the first card slot It closes;The first steel member main body is equipped with the first cover board that the blocking ball is detached from first card slot, described The first cover board and the first steel member main body detachable connection, there are make described first on first cover board The perforative first through hole of threaded rod, there are first threaded rods between the first through hole and first threaded rod Operating distance;
The second steel structure component includes the second steel member main body and the second multi-directional ball threaded rod, and described second is universal Ball threaded rod is made of the second multi-directional ball and the second threaded rod being fixedly connected with second multi-directional ball;Second steel Member body is equipped with the second card slot, and second multi-directional ball is embedded in second card slot, and described second is universal Ball is disposed between ball and second card slot, second multi-directional ball passes through the ball and second card Slot matches;The second steel member main body is equipped with the second lid that the blocking ball is detached from second card slot Plate, second cover board and the second steel member main body detachable connection, there are can make on second cover board Perforative second through-hole of second threaded rod, there are described between second through-hole and second threaded rod The operating distance of second threaded rod;
The data collecting system includes electro-hydraulic servo universal testing machine, first threaded rod and described second Threaded rod outer end is bolted with the first cylindrical sleeve and the second cylindrical sleeve, first cylindrical sleeve and respectively Two cylindrical sleeves are separately mounted on the upper and lower end loading device of the electro-hydraulic servo universal testing machine, after installation and are made First threaded rod and second threaded rod are relative to where first multi-directional ball and second multi-directional ball Axis is axisymmetricly distributed.
Further, connection can be installed to be measured mixed between the first steel member main body and the second steel member main body Solidifying soil axis is universal relative to first multi-directional ball and described second after drawing test specimen, the concrete axial to be measured that test specimen is drawn to install Axis where ball is axisymmetricly distributed, and the concrete axial to be measured draws the cross section of test specimen to be not more than first steel member The cross section of main body or the second steel member main body.
Preferably, the concrete axial to be measured draws the cross section of test specimen and the first steel member main body or described The second steel member main body cross section it is equal.
Further, the concrete axial to be measured draw test specimen respectively with the first steel member main body and described second For steel member main body by adhesive adhesion, the intensity of the adhesive draws the tension of test specimen higher than the concrete axial to be measured Stretch intensity.
Further, the first steel member main body is spirally connected with the first cover board by bolt;The second steel structure Part main body is spirally connected with the second cover board by bolt.
Further, the first multi-directional ball of the first multi-directional ball threaded rod and the first threaded rod are structure as a whole;Institute Second multi-directional ball of the second multi-directional ball threaded rod stated and the second threaded rod are structure as a whole.
Further, the outer surface of first cylindrical sleeve and the second cylindrical sleeve is equipped with helicitic texture.
In use, concrete axial to be measured drawing test specimen is fixed on the first steel member main body and the second steel member by adhesive Between main body, and it is in symmetrical structure by symmetry axis of the central shaft of the first steel member main body and the second steel member main body, then divides The first threaded rod and the second threaded rod are not fixed on electro-hydraulic servo universal testing machine upper and lower ends loading device and make institute The first threaded rod and second threaded rod stated are relative to the axis where first multi-directional ball and second multi-directional ball It is axisymmetricly distributed, starts electro-hydraulic servo universal testing machine, and corresponding parameter is set, the work of electro-hydraulic servo universal testing machine When, when test specimen is broken, the numerical value F that load is loaded on electro-hydraulic servo universal testing machine is read, according to formula:
The tensile strength that the concrete axial to be measured draws test specimen can be found out, wherein A is the cross-sectional area of test specimen to be measured.
Compared with prior art, the beneficial effects of the utility model are:
Described device is applied when measuring concrete component axial tensile strength, when the non-axle center alignment of test specimen two ends tension When, the axis drawing unjustified institute in test specimen tension axle center can effectively be made up to adjust loading angle by rotatable multi-directional ball threaded rod The error of generation;Furthermore concrete component connects load rod piece by adhesive can reduce the stress collection generated at Member Lip In caused error;Described device application concrete component pour conveniently, described device compact, it is easy to operate, tear open Convenience, low cost are unloaded, the ease for use and practicability of device are considerably increased.
Description of the drawings
Fig. 1 is the structure arrangement schematic diagram of the utility model.
Fig. 2 is the local structural graph of the utility model.
Fig. 3 is the utility model experimental principle figure one.
Fig. 4 is the utility model experimental principle figure two.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and embodiments.
In figure:1, concrete axial draws test specimen, the 2, first steel member main body, the 3, first cover board, 4, bolt, 5, adhesive, 6, Second threaded rod, the 7, second multi-directional ball, 8, ball, the 9, second cover board, the 10, first threaded rod, the 11, first multi-directional ball, 12, first Card slot, 13, first through hole, the 14, second card slot, the 15, second through-hole, the 16, second steel member main body, the 17, first cylindrical shroud Cylinder, 18. second cylindrical sleeves.
As shown, a kind of concrete component axial tension test device of the utility model, including apparatus main body and data Acquisition system, it is characterised in that:The apparatus main body includes the first steel structure component, the second steel structure component, first steel Structure component and the second steel structure component axisymmetricly structure;
The first steel structure component include the first steel member main body 2 and the first multi-directional ball threaded rod, the described the 10000th It is made of to ball threaded rod the first multi-directional ball 11 and the first threaded rod 10 being fixedly connected with first multi-directional ball 11;It is described The first steel member main body 2 be equipped with the first card slot 12, first multi-directional ball 11 is embedded in first card slot 12, Ball 8 is disposed between first multi-directional ball 11 and first card slot 12, first multi-directional ball 11 passes through institute The ball 8 stated is matched with the first card slot 12;The first steel member main body 2 is equipped with the blocking ball 8 and is detached from institute First cover board 3 of the first card slot 12 stated, first cover board 3 and the 2 detachable company of the first steel member main body It connects, there are make the 10 perforative first through hole 13 of the first threaded rod, the first through hole 13 on first cover board 3 There are the operating distances of first threaded rod 10 between first threaded rod 10;
The first steel structure component include the second steel member main body 16 and the second multi-directional ball threaded rod, the described the 20000th It is made of to ball threaded rod the second multi-directional ball 7 and the second threaded rod 6 being fixedly connected with second multi-directional ball 7;Described Second steel member main body 16 is equipped with the second card slot 14, and second multi-directional ball 7 is embedded in second card slot 14, Ball 8 is disposed between second multi-directional ball 7 and second card slot 14, second multi-directional ball 7 passes through described Ball 8 matched with second card slot 14;It is de- that the second steel member main body 16 is equipped with the blocking ball 8 The second cover board 9 from second card slot 14, second cover board 9 and the second steel member main body 16 are detachable Formula connects, there are can make 6 perforative second through-hole 15 of the second threaded rod on second cover board 9, described second There are the operating distances of second threaded rod 6 between through-hole 15 and second threaded rod 6;
The data collecting system includes electro-hydraulic servo universal testing machine, first threaded rod 10 and described Two threaded rods, 6 outer end is bolted with the first cylindrical sleeve 17 and the second cylindrical sleeve 18 respectively, and described first is cylindrical Sleeve 17 and the second cylindrical sleeve 18 are separately mounted on the upper and lower end loading device of the electro-hydraulic servo universal testing machine, After installation and make first threaded rod 10 and second threaded rod 6 relative to first multi-directional ball 11 with it is described Axis where second multi-directional ball 7 is axisymmetricly distributed.
Connection concrete to be measured can be installed between the first steel member main body 2 and the second steel member main body 16 Axis draws test specimen 1, relative to first multi-directional ball 11 and the described 20000th after the concrete axial to be measured drawing installation of test specimen 1 It is axisymmetricly distributed to the axis where ball 7, the concrete axial to be measured draws the cross section of test specimen 1 and the first steel structure The cross section of part main body 2 or the second steel member main body 16 is equal.
The concrete axial to be measured draw test specimen 1 respectively with the first steel member main body 2 and the second steel structure Part main body 16 draws the anti-of test specimen 1 by 5 adhesion of adhesive, the intensity of the adhesive 5 higher than the concrete axial to be measured Tensile strength.
The first steel member main body 2 is spirally connected with the first cover board 3 by bolt 4;The second steel member master Body 16 is spirally connected with the second cover board 9 by bolt 4.
First multi-directional ball 11 of the first multi-directional ball threaded rod and the first threaded rod 10 are structure as a whole;Described Second multi-directional ball 7 of two multi-directional ball threaded rods and the second threaded rod 6 are structure as a whole.
The outer surface of first cylindrical sleeve 17 and the second cylindrical sleeve 18 is equipped with helicitic texture.
Utility model works principle is:By concrete axial to be measured draw 1 both ends of test specimen by adhesive respectively with the first steel Member body 2 and the connection of the second steel member main body 16, first threaded rod 10 and the second threaded rod 6 are electric with closed loop respectively The both ends loading device of liquid servo universal tester (1000 types of WAW -) is connected.After fixed test specimen, when test specimen two ends are by perpendicular When to pulling force, if test specimen has that the unjustified component axis as shown in Figure 3 in axle center eccentric angle α occurs with pulling force line, First threaded rod 10 and the second threaded rod 6 can be such that test specimen sends out by the angle of the corresponding adjustment screw of the pulling force being subject to Raw minor rotation is realigned to reach the state (shown in Fig. 4) of axle center alignment, and concrete test block is in pulling force and steel member side wall Power under the action of still axial tension, start-up loading device carries out load and proceeds by the experiment of concrete component axial tension. When test specimen is broken, the numerical value F of the load load according to universal testing machine, according to formula:
The tensile strength that the concrete axial to be measured draws test specimen can be found out, wherein A is the cross-sectional area of structure test specimen to be measured.

Claims (7)

1. a kind of concrete component axial tension test device, including apparatus main body and data collecting system, it is characterised in that:Institute The apparatus main body stated includes the first steel structure component, the second steel structure component, the first steel structure component and the second steel structure Component axisymmetricly structure;
The first steel structure component includes the first steel member main body (2) and the first multi-directional ball threaded rod, and described first is universal Ball threaded rod is made of the first multi-directional ball (11) and the first threaded rod (10) being fixedly connected with first multi-directional ball (11); The first steel member main body (2) is equipped with the first card slot (12), and first multi-directional ball (11) is embedded in described the In one card slot (12), ball (8) is disposed between first multi-directional ball (11) and first card slot (12), it is described First multi-directional ball (11) is matched by the ball (8) with the first card slot (12);In the first steel member main body (2) Be detached from the first cover board (3) of first card slot (12) equipped with the blocking ball (8), first cover board (3) with First described steel member main body (2) detachable connection, there are make first threaded rod on first cover board (3) (10) perforative first through hole (13), there are described between the first through hole (13) and first threaded rod (10) The operating distance of first threaded rod (10);
The second steel structure component includes the second steel member main body (16) and the second multi-directional ball threaded rod, and described second is universal Ball threaded rod is made of the second multi-directional ball (7) and the second threaded rod (6) being fixedly connected with second multi-directional ball (7);Institute The the second steel member main body (16) stated is equipped with the second card slot (14), and second multi-directional ball (7) is embedded in described second In card slot (14), it is disposed with ball (8) between second multi-directional ball (7) and second card slot (14), described Two multi-directional balls (7) are matched by the ball (8) with second card slot (14);The second steel member main body (16) the second cover board (9) that the blocking ball (8) is detached from second card slot (14), second cover board are equipped with (9) with described second steel member main body (16) detachable connection, there are can make described the on second cover board (9) Perforative second through-hole (15) of two threaded rods (6), between second through-hole (15) and second threaded rod (6) there are The operating distance of second threaded rod (6);
The data collecting system includes electro-hydraulic servo universal testing machine, first threaded rod (10) and described second Threaded rod (6) outer end is bolted with the first cylindrical sleeve (17) and the second cylindrical sleeve (18), the described first circle respectively Cylindrical sleeve (17) and the second cylindrical sleeve (18) are separately mounted to the upper and lower end load of the electro-hydraulic servo universal testing machine On device, after installation and make first threaded rod (10) and second threaded rod (6) relative to the described 10000th It is axisymmetricly distributed to ball (11) and the axis where second multi-directional ball (7).
2. device as described in claim 1, it is characterised in that:The first steel member main body (2) and second steel Connection concrete axial to be measured can be installed between member body (16) draws test specimen (1), the concrete axial to be measured that test specimen (1) is drawn to pacify It is axisymmetricly distributed relative to first multi-directional ball (11) and the axis where second multi-directional ball (7) after dress, described waits for Surveying concrete axial draws the cross section of test specimen (1) to be not more than the first steel member main body (2) or the second steel member master The cross section of body (16).
3. device as claimed in claim 2, it is characterised in that:The concrete axial to be measured draw the cross section of test specimen (1) with The cross section of the first steel member main body (2) or the second steel member main body (16) is equal.
4. device as claimed in claim 2, it is characterised in that:The concrete axial to be measured draw test specimen (1) respectively with it is described The first steel member main body (2) and the second steel member main body (16) pass through adhesive (5) adhesion, the adhesive (5) intensity draws the tensile strength of test specimen (1) higher than the concrete axial to be measured.
5. device as described in claim 1, it is characterised in that:The first steel member main body (2) is logical with the first cover board (3) Bolt (4) is crossed to be spirally connected;The second steel member main body (16) is spirally connected with the second cover board (9) by bolt (4).
6. device as described in claim 1, it is characterised in that:The first multi-directional ball (11) of the first multi-directional ball threaded rod It is structure as a whole with the first threaded rod (10);The second multi-directional ball (7) and the second threaded rod of the second multi-directional ball threaded rod (6) it is structure as a whole.
7. device as described in claim 1, it is characterised in that:First cylindrical sleeve (17) and the second cylindrical shroud The outer surface of cylinder (18) is equipped with helicitic texture.
CN201721720112.XU 2017-12-11 2017-12-11 A kind of concrete component axial tension test device Expired - Fee Related CN207730561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721720112.XU CN207730561U (en) 2017-12-11 2017-12-11 A kind of concrete component axial tension test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721720112.XU CN207730561U (en) 2017-12-11 2017-12-11 A kind of concrete component axial tension test device

Publications (1)

Publication Number Publication Date
CN207730561U true CN207730561U (en) 2018-08-14

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CN201721720112.XU Expired - Fee Related CN207730561U (en) 2017-12-11 2017-12-11 A kind of concrete component axial tension test device

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110220791A (en) * 2019-05-30 2019-09-10 浙江工业大学 A kind of cylindrical concrete component axial direction tensile test apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110220791A (en) * 2019-05-30 2019-09-10 浙江工业大学 A kind of cylindrical concrete component axial direction tensile test apparatus
CN110220791B (en) * 2019-05-30 2024-03-22 浙江工业大学 Axial tensile test device for cylindrical concrete member

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180814

Termination date: 20201211