CN202362210U - Strength detector for concrete test block - Google Patents

Strength detector for concrete test block Download PDF

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Publication number
CN202362210U
CN202362210U CN2011204833887U CN201120483388U CN202362210U CN 202362210 U CN202362210 U CN 202362210U CN 2011204833887 U CN2011204833887 U CN 2011204833887U CN 201120483388 U CN201120483388 U CN 201120483388U CN 202362210 U CN202362210 U CN 202362210U
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CN
China
Prior art keywords
test block
wheel
motor
driven pinion
installing plate
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Expired - Fee Related
Application number
CN2011204833887U
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Chinese (zh)
Inventor
吉伯海
傅中秋
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Hohai University HHU
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Hohai University HHU
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Filing date
Publication date
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Priority to CN2011204833887U priority Critical patent/CN202362210U/en
Application granted granted Critical
Publication of CN202362210U publication Critical patent/CN202362210U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a strength detector for a concrete test block, comprising a test frame and a torsion gun; the torsion gun comprises a gun shell and a motor, and the test frame comprises a test block support table and a power transmission frame; and the power transmission frame comprises an installing plate and a driving gear set, the driving gear set comprises a center big gear and a driven small gear, a power output end of the motor is connected with the center big gear by a torsion rod, an electrifying loop of the motor is connected with a torsion gun control switch in series, a control shifting block of the torsion gun control switch extends out of the gun shell, the motor is provided with a displacement converter, and a pressure sensor is arranged on the support table. Therefore, the detector is smaller in volume, is convenient to carry, and can be used for the quick strength detection of the concrete test block on a construction site, so that the concrete test block does not need to be moved. Meanwhile, the detector further can be used for the indoor test, and the use time of an indoor compressor can be shortened, so that the other tests can be conveniently carried out.

Description

Concrete test block strength test device
Technical field
The utility model relates to a kind of concrete test block strength test device, can be used for the quick test of concrete pouring construction on-site concrete intensity of test block.
Background technology
Concrete is one of main material of using in the modern project structure.According to relevant regulations, concrete strength grade should be divided with characteristic value of cubic concrete compressive strength, and China adopts the standard size test specimen of the cube of 150mm * 150mm * 150mm as concrete crushing strength.The test specimen result of off-standard size should multiply by conversion factor, is converted into standard cube body intensity.For the concrete axial compressive strength; Confirm according to the prism axial compressive strength; China adopts the standard size test specimen of the prism of 150mm * 150mm * 300mm as axial compressive strength, and the off-standard size test specimen is the result convert, and is scaled the standard prismatic compressive strength.
The concrete strength test is carried out on the room pressure machine of laboratory usually.For the heavy construction construction, correlation test chambers such as material tests can be set near the building site usually.But because the building site is bigger, the laboratory still has far away usually apart from the working-yard.Simultaneously, heavy construction, more than the concreting batch, test block quantity is also more.And large pressing machine power is big, complex structure, and is also higher to power requirement.
The utility model content
The utility model provides a kind of concrete test block strength test device to the deficiency of prior art, and its volume is less, be convenient for carrying, and can be used for the quick test of concrete test block intensity working-yard, can avoid the carrying of concrete test block.Also can be used for simultaneously indoor test, practice thrift room pressure machine service time, be convenient to the carrying out of other tests.
A kind of concrete test block strength test device comprises testing jig and torsion rifle; Said torsion rifle comprises the pistol shell and is installed on the motor in this pistol shell; Testing jig comprises that then test block accepts platform and power transmission frame; Said power transmission frame comprises installing plate and is placed in the driving gear set on the installing plate; Said driving gear set comprises the center gear wheel and is distributed on center gear wheel driven pinion wheel all around; Each driven pinion wheel all is meshed with the center gear wheel, and each driven pinion wheel all is supported on test block supporting station top through screw rod, and each driven pinion wheel all is connected with screw flight simultaneously; The clutch end of said motor is connected with the center gear wheel through torque arm; And be serially connected with torsion rifle CS in the power circuit of motor; The control shifting block of this torsion rifle CS stretches out the setting of pistol shell, and simultaneously have can be with its revolution number conversion displacement converter that is vertical displacement numerical value for motor configurations; In addition, saidly accept setting pressure sensor on the platform, and displacement converter and pressure transducer are provided with electric power connection line and signal transmssion line respectively accordingly.
Said installing plate top links into an integrated entity through securing member and lamina tecti, and driving gear set places between lamina tecti and the installing plate, offers the circular hole that is used to pass center gear wheel wheel hub in the middle part of the lamina tecti simultaneously.
Said driven pinion wheel is four, and these four driven pinion wheel annulars are distributed on around the gear wheel of center.
The spacing of adjacent two screw rods is greater than 200mm, and installing plate and test block are accepted changed free height between the platform greater than 300mm.
Be provided for the gear groove of mounting center gear wheel and driven pinion wheel on the said installing plate respectively accordingly.
According to above technical scheme, can realize following beneficial effect:
The one, be convenient for carrying, can be used for concrete on construction site test block test, avoided the carrying of a large amount of concrete test blocks.The utility model mainly comprises testing jig and torsion rifle, as long as testing jig relative dimensions clear distance satisfies the test block dimensional requirement, planar dimension is about 0.3m, and vertical height is about 0.5m; The torsion rifle can be made into holding type as required.Can directly be carried to the working-yard and carry out the intensity of test block test.
The 2nd, simple structure, equipment is made easily.The torsion rifle can be transformed in the torque arm termination on the existing similarly relevant electronic rotation rifle in the utility model, only needs to increase displacement and transforms reading device, will rotate all numbers and be converted into vertical displacement and get final product.And each ingredient principle of testing jig is simple, and gear, screw rod, steel plate etc. all are common parts, is prone to processing.
The 3rd, measuring accuracy is higher.The test result of the utility model all can realize the computing machine reading, and pressure can read through pressure transducer, and the vertical displacement after the conversion can be connected to computing machine through signal transmssion line and calculate back output.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is the structural representation of torsion rifle part among Fig. 1;
Fig. 3 is the structural representation of testing jig among Fig. 1;
Fig. 4 is the superstructure synoptic diagram of the said testing jig of the utility model;
Fig. 5 is the gear distributed architecture synoptic diagram of the said testing jig of the utility model;
Fig. 6 is the structural representation of the said upper head plate of the utility model;
Fig. 7 is the structural representation of the said lamina tecti of the utility model;
Wherein: the electric power connection line 1 of torsion rifle; The signal transmssion line 2 of displacement converter; Torsion rifle switch 3; Motor 4; Torque arm 5; Torque arm termination 6; Displacement converter 7; Twisting joint 8; Center gear wheel 9; Lamina tecti 10; Circular hole 101; Driven pinion wheel 11; Screw rod 12; Installing plate 13; Screw hole 131; Gear groove 132; Platform 14 is accepted in test block; Pressure transducer 15; Bolt 16; The signal transmssion line 17 of pressure transducer; The electric power connection line 18 of pressure transducer.
Embodiment
Accompanying drawing discloses the structural representation of the related preferred embodiment of the utility model without limitation; Below will combine accompanying drawing that the technical scheme of the utility model at length is described.
Shown in Fig. 1 to 7, the described concrete test block strength test of the utility model device comprises testing jig and torsion rifle; Said torsion rifle comprises pistol shell and the motor that is installed on this pistol shell; Testing jig comprises that then test block accepts platform and power transmission frame; Said power transmission frame comprises installing plate and is placed in the driving gear set on the installing plate; Said driving gear set comprises the center gear wheel and is distributed on center gear wheel driven pinion wheel all around; Each driven pinion wheel all is meshed with the center gear wheel, and each driven pinion wheel all is supported on test block supporting station top through screw rod, and each driven pinion wheel all is connected with screw flight simultaneously; The clutch end of said motor is connected with the center gear wheel through torque arm; And be serially connected with torsion rifle CS in the power circuit of motor; The control shifting block of this torsion rifle CS stretches out the setting of pistol shell, and simultaneously have can be with its revolution number conversion displacement converter that is vertical displacement numerical value for motor configurations; In addition, saidly accept setting pressure sensor on the platform, and displacement converter and pressure transducer are provided with electric power connection line and signal transmssion line respectively accordingly.
For easy to carry, the utility model is provided with testing jig and the split of torsion rifle, and promptly the axle head of the power input shaft of gear wheel is installed twisting joint at the center, to dock with the torque arm termination, makes power to be transferred to the center gear wheel through torque arm.
For safe to carry, the said installing plate of the utility model top links into an integrated entity through securing member and lamina tecti, and driving gear set places between lamina tecti and the installing plate, offers the circular hole that is used to pass center gear wheel wheel hub in the middle part of the lamina tecti simultaneously.In addition; The said driven pinion wheel of the utility model is four, and these four driven pinion wheel annulars are distributed on around the gear wheel of center, simultaneously four driven pinion wheels; Set 4 screw rods accordingly; The inner hole wall of each driven pinion wheel is offered screw thread, to be connected with screw flight, makes driven pinion wheel to move up and down along screw rod; The spacing of adjacent two screw rods is greater than 200mm, and installing plate and test block are accepted changed free height between the platform greater than 300mm.Be provided for the gear groove of mounting center gear wheel and driven pinion wheel on the said installing plate respectively accordingly.
During use; Earlier torque arm termination 6 is docked with the twisting joint 8 of testing jig, then place test block to accept on the platform through pressure transducer concrete test block to be measured, again torsion rifle, pressure transducer are passed through that its corresponding electric power connection line is connected with power supply, signal transmssion line is connected with computing machine reading equipment; Open torsion rifle switch 3 then; Motor 4 rotates, and drives torque arm 5 and rotates, and rotates thereby drive twisting joint 8.Torque arm 5 revolution numbers (being the revolution number of motor) are converted into vertical displacement through displacement converter 7, by signal transmssion line 2 outputs of displacement converter.Center gear wheel 9 drives driven pinion wheel 11 rotations; Because driven pinion wheel is connected with screw flight, therefore, driven pinion wheel 11 will be along screw rod 12 downward translations; Move down thereby drive installing plate 13, and then be opposite to the concrete test block that test block accepts on the platform and exert pressure.Pressure passes to pressure transducer 15, by signal transmssion line 17 outputs of pressure transducer.Finally, obtain stress-strain curves, determine the intensity of concrete test block apace according to the force value and the shift value that obtain.

Claims (5)

1. a concrete test block strength test device is characterized in that: comprise testing jig and torsion rifle; Said torsion rifle comprises the pistol shell and is installed on the motor in this pistol shell; Testing jig comprises that then test block accepts platform and power transmission frame; Said power transmission frame comprises installing plate and is placed in the driving gear set on the installing plate; Said driving gear set comprises the center gear wheel and is distributed on center gear wheel driven pinion wheel all around; Each driven pinion wheel all is meshed with the center gear wheel, and each driven pinion wheel all is supported on test block supporting station top through screw rod, and each driven pinion wheel all is connected with screw flight simultaneously; The clutch end of said motor is connected with the center gear wheel through torque arm; And be serially connected with torsion rifle CS in the power circuit of motor; The control shifting block of this torsion rifle CS stretches out the setting of pistol shell, and simultaneously have can be with its revolution number conversion displacement converter that is vertical displacement numerical value for motor configurations; In addition, saidly accept setting pressure sensor on the platform, and displacement converter and pressure transducer are provided with electric power connection line and signal transmssion line respectively accordingly.
2. according to the said concrete test block strength test of claim 1 device; It is characterized in that: said installing plate top links into an integrated entity through securing member and lamina tecti; And driving gear set places between lamina tecti and the installing plate, and the circular hole that is used to pass center gear wheel wheel hub is offered at the lamina tecti middle part simultaneously.
3. according to the said concrete test block strength test of claim 1 device, it is characterized in that: said driven pinion wheel is four, and these four driven pinion wheel annulars are distributed on around the gear wheel of center.
4. according to the said concrete test block strength test of claim 1 device, it is characterized in that: the spacing of adjacent two screw rods is greater than 200mm, and installing plate and test block are accepted changed free height between the platform greater than 300mm.
5. according to the said concrete test block strength test of claim 1 device, it is characterized in that: the gear groove that is provided for mounting center gear wheel and driven pinion wheel on the said installing plate respectively accordingly.
CN2011204833887U 2011-11-29 2011-11-29 Strength detector for concrete test block Expired - Fee Related CN202362210U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204833887U CN202362210U (en) 2011-11-29 2011-11-29 Strength detector for concrete test block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204833887U CN202362210U (en) 2011-11-29 2011-11-29 Strength detector for concrete test block

Publications (1)

Publication Number Publication Date
CN202362210U true CN202362210U (en) 2012-08-01

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CN2011204833887U Expired - Fee Related CN202362210U (en) 2011-11-29 2011-11-29 Strength detector for concrete test block

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CN (1) CN202362210U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106323747A (en) * 2016-08-18 2017-01-11 温州市宝饰五金制品有限公司 Steel pipe strength detecting device for hardware production
CN114544056A (en) * 2021-08-23 2022-05-27 万向一二三股份公司 Improved testing device and method for monitoring expansion force of lithium ion soft package battery
CN114594239A (en) * 2022-03-08 2022-06-07 信阳职业技术学院 Cement-based material shrinkage stress detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106323747A (en) * 2016-08-18 2017-01-11 温州市宝饰五金制品有限公司 Steel pipe strength detecting device for hardware production
CN106323747B (en) * 2016-08-18 2018-11-13 浙江思纳克热流道科技有限公司 A kind of hardware making steel strength detection device
CN114544056A (en) * 2021-08-23 2022-05-27 万向一二三股份公司 Improved testing device and method for monitoring expansion force of lithium ion soft package battery
CN114594239A (en) * 2022-03-08 2022-06-07 信阳职业技术学院 Cement-based material shrinkage stress detection device
CN114594239B (en) * 2022-03-08 2023-08-08 信阳职业技术学院 Cement-based material shrinkage stress detection device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20141129

EXPY Termination of patent right or utility model