CN206725363U - A kind of concrete compression-resistanmodifier detection means - Google Patents

A kind of concrete compression-resistanmodifier detection means Download PDF

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Publication number
CN206725363U
CN206725363U CN201720541284.4U CN201720541284U CN206725363U CN 206725363 U CN206725363 U CN 206725363U CN 201720541284 U CN201720541284 U CN 201720541284U CN 206725363 U CN206725363 U CN 206725363U
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China
Prior art keywords
compression
detection
board
resistance
hydraulic cylinder
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Expired - Fee Related
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CN201720541284.4U
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Chinese (zh)
Inventor
黄萍
蔡常新
黄家兴
周成洪
韦金兴
谢成威
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黄萍
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Abstract

The utility model discloses a kind of concrete compression-resistanmodifier detection means, including resistance to compression detection means body, by axially vertical to guarantee resistance to compression detection means body force application part in the level-off of resistance to compression detection means body and experiment before testing, and digital micro flow control valve and controllor for step-by-step motor is coordinated to reach continuous and constant pressure effect, the utility model is simple in construction clear, it can be very good to ensure the alignment of device, realize the adjustment horizontal functional of concrete compression-resistanmodifier detection means, and it is vertical to adjust each part force of cement fixture in use, extend concrete compression-resistanmodifier fixture service life, make testing result more accurate.

Description

A kind of concrete compression-resistanmodifier detection means
Technical field
Concrete compression-resistanmodifier performance detection field is the utility model is related to, specially a kind of concrete compression-resistanmodifier detection means.
Background technology
Cement uses extensively in modern building, real to the progress resistance to compression of cement sample using preceding needing in manufacture of cement Test, conventional resistance to compression fixture is tested to cement sample, and the conventional concrete compression-resistanmodifier test fixture of existing market is without adjustment water It flat function, can not ensure that concrete compression-resistanmodifier test fixture is horizontal in itself in experiment, therefore can not also ensure that cement specimen stress is hung down Directly, and concrete compression-resistanmodifier test fixture tilts concrete compression-resistanmodifier test fixture can be made originally to experience cross force, can reduce concrete compression-resistanmodifier experiment Fixture service life, also concrete compression-resistanmodifier test fixture service life is caused easily because each part exerts a force out of plumb in experimentation Shorten.
Utility model content
1st, technical problems to be solved
Used for concrete compression-resistanmodifier test fixture existing for prior art without adjustment horizontal functional, and cement fixture The problem of each part stress out of plumb makes testing result inaccuracy is easily caused in journey, the purpose of this utility model is to provide one Kind concrete compression-resistanmodifier detection means, it can realize the adjustment horizontal functional of concrete compression-resistanmodifier detection means, and can adjust in use Whole each part force of cement fixture is vertical, extends concrete compression-resistanmodifier fixture service life, makes testing result more accurate.
2nd, technical scheme
To achieve the above object, the utility model provides following technical scheme:
A kind of concrete compression-resistanmodifier detection means, including resistance to compression detection means body, resistance to compression detection means body include bushing, liquid Cylinder pressure, ball seat, bearing plate, pressure transmission post, top board, lower platen and device frame, bushing are fixedly mounted on device frame, and in bushing Between be provided with cavity, hydraulic cylinder, bearing plate and pressure transmission post are arranged in cavity, and bearing plate is connected with casing slip, on bearing plate Side is hydraulic cylinder, and hydraulic cylinder connects with bearing plate and hydraulic cylinder upper end centre position is provided with oilhole, pressure transmission post one end and pressure-bearing Plate is fixedly connected, and the pressure transmission post other end offsets with ball holder surface, and ball seat bottom surface is fixedly connected with top board, and top board bottom surface is set There is pressure sensor and top board is internally provided with metallic channel, pressure sensor is electrically connected with through metallic channel and A/D converter, dress Put and chute is set among the frame back side, pilot pin is provided with chute, pilot pin one end is fixedly connected with top board, and the pilot pin other end slides Chute is connected, top board both ends are fixedly connected with hanging bolt, and hanging bolt is fixedly attached to spring, and spring passes through screw clamping to device Frame, lower platen are fixedly mounted on device frame lower end, and device frame lower surface is provided with level(l)ing bubble, and lower platen side is connected with fixed Position pin, resistance to compression detection means body lower end are provided with adjusting nut, and hydraulic cylinder upper end is connected with oil pipe, oil pipe penetration liner upper end Oil pump is connected, digital micro flow control valve is installed on the oil pipe between hydraulic cylinder and oil pump, digital micro flow control valve is electrically connected with stepping Electric machine controller, oil pump, A/D converter and controllor for step-by-step motor are electrically connected to computer, and bearing plate is connected close with bushing Close and can be slided in bushing, ensure that upper hydraulic cylinder normally can promote bearing plate to be slided up and down in cavity, pilot pin one End is fixedly connected with top board, and the pilot pin other end is slidably connected chute, prevents top board from rotating in the horizontal plane, more effectively Power transmission, can also increase resistance to compression detection means body service life, be offseted by pressure transmission post with ball seat, and be rotatablely connected, and ensure to pass Compression leg can promote ball seat to move down simultaneously, and ball seat can make to be connected to the top board on ball seat with pushing with automatic adjustable level On the same axis, top board bottom surface sets pressure sensor to plate, and data signal is converted the signal to through A/D converter, transmits To computer, you can cement specimen resistance to compression value is measured, digital micro flow control valve is installed on the oil pipe that oil pump is connected with hydraulic cylinder, and Computer is electrically connected to through controllor for step-by-step motor, pressure value can be finely tuned by computer, can both reach constant continuous Pressurization requires, can also set the minimum value pressurizeed every time, make compression test more accurate, and obtained data are also more accurate, Observation level(l)ing bubble is simultaneously horizontal by resistance to compression detection means ontology alignment by finely tuning adjusting nut, ensures that cement specimen stress is hung down Directly, alignment pin positions for test block.
Preferably, ball seat, top board and lower platen are steel alloy, and top board is identical with lower platen width, steel alloy warp Heat treatment, has very high precision and hardness, can further reduce top board and lower platen caused by cement block extruding is possible Contact facial disfigurement and the test error brought, it is identical in width also to extend instrument service life, top board and lower platen, to protect Cement specimen is demonstrate,proved to be pressurized uniformly.
Preferably, pressure-bearing board diameter is identical with cavity inside diameter, ensures bearing plate and bushing airtight connection, more effectively applies Pressure.
Preferably, level(l)ing bubble is two, is vertically set on the upper surface of resistance to compression detection means body lower part, two levels Bubble is located in same level, the two orthogonal level(l)ing bubbles set in same level, coordinates adjusting nut can To ensure that resistance to compression detection means body is on horizontal plane, the vertical stress of cement specimen, test error can be also reduced, also avoids resisting Pressure detection means body is reduced service life by cross force.
Preferably, it is vertical with resistance to compression detection means body axis to push plate surface, makes the vertical stress of cement specimen, further Reduce test error.
3rd, beneficial effect
Compared with prior art, the utility model has the advantage of:
(1)Bearing plate is connected closed with bushing and can slided in bushing, ensures that upper hydraulic cylinder can be promoted normally Bearing plate slides up and down in cavity, and pilot pin one end is fixedly connected with top board, and the pilot pin other end is slidably connected chute, makes pressure Plate can not rotate in the horizontal plane, more effectively power transmission, can also increase resistance to compression detection means body service life, pass through pressure transmission post Offset, and be rotatablely connected with ball seat, ensure pressure transmission post ball seat can be promoted to move down simultaneously, ball seat can with automatic adjustable level, Make to be connected to top board on ball seat with lower platen on the same axis, top board bottom surface sets pressure sensor, is changed through A/D Device converts the signal to data signal, transmits to computer, you can measures cement specimen resistance to compression value, oil pump is connected with hydraulic cylinder Digital micro flow control valve is installed on oil pipe, and computer is electrically connected to through controllor for step-by-step motor, can be micro- by computer Pressure regulation force value, you can to reach constant continuous pressure requirement, the minimum value pressurizeed every time can also be set, make compression test more Accurately, the data obtained also more precisely, observe level(l)ing bubble and are adjusted resistance to compression detection means body by finely tuning adjusting nut Whole level, ensure that cement specimen stress is vertical, alignment pin positions for test block.
(2)Steel alloy is thermally treated, has very high precision and hardness, can further reduce because cement block extruding may make Into top board and lower platen contact facial disfigurement and the test error brought, can also extend instrument service life, top board and under Platen width is identical, to ensure that it is uniform that cement specimen is pressurized.
(3)Pressure-bearing board diameter is identical with cavity inside diameter, ensures bearing plate and bushing airtight connection, more effectively applies pressure Power.
(4)The two orthogonal level(l)ing bubbles set in same level, adjusting nut is coordinated to ensure resistance to compression Detection means body is on horizontal plane, the vertical stress of cement specimen, can also be reduced test error, also be avoided resistance to compression detection means Body is reduced service life by cross force.
(5)It is vertical with resistance to compression detection means body axis to push plate surface, makes the vertical stress of cement specimen, further reduces Test error.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is side view figure structure schematic representation of the present utility model;
Fig. 3 is rearview structural representation of the present utility model;
Fig. 4 is structural representation when the utility model uses.
In figure:1st, resistance to compression detection means body, 2, computer, 3, oil pump, 4, oil pipe, 5, pressure sensor, 6, A/D conversions Device, 7, controllor for step-by-step motor, 8, digital micro flow control valve, 9, bushing, 10, hydraulic cylinder, 11, ball seat, 12, bearing plate, 13, pass Compression leg, 14, top board, 15, lower platen, 16, hanging bolt, 17, screw, 18, pilot pin, 19, alignment pin, 20, spring, 21, regulation Nut, 22, cavity, 23, chute, 24, level(l)ing bubble, 25, device frame.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment:
Refer to Fig. 1-4, a kind of concrete compression-resistanmodifier detection means, including resistance to compression detection means body 1, resistance to compression detection means sheet Body 1 includes bushing 9, hydraulic cylinder 10, ball seat 11, bearing plate 12, pressure transmission post 13, top board 14, lower platen 15 and device frame 25, lining Set 9 is fixedly mounted on device frame 25, and cavity 22 is provided among bushing 9, and hydraulic cylinder 10, bearing plate 12 and pressure transmission post 13 are set Put in cavity 22, bearing plate 12 is slidably connected with bushing 9, and the top of bearing plate 12 is hydraulic cylinder 10, hydraulic cylinder 10 and bearing plate 12 connections, and the upper end centre position of hydraulic cylinder 10 is provided with oilhole, the one end of pressure transmission post 13 is fixedly connected with bearing plate 12, and pressure transmission The other end of post 13 offsets with the surface of ball seat 11, and the bottom surface of ball seat 11 is fixedly connected with top board 14, and the bottom surface of top board 14 is provided with pressure Sensor 5, and top board 14 is internally provided with metallic channel, pressure sensor 5 is electrically connected with through metallic channel and A/D converter 6, dress Put and chute 23 is set among the back side of frame 25, be provided with pilot pin 18 on chute 23, the one end of pilot pin 18 is fixedly connected with top board 14, and leads The other end of pin 18 is slidably connected chute 23, and the both ends of top board 14 are fixedly connected with hanging bolt 16, and hanging bolt 16 is fixedly attached to spring 20, for spring 20 by the clamping of screw 17 to device frame 25, lower platen 15 is fixedly mounted on the lower end of device frame 25, the bottom of device frame 25 Surface is provided with level(l)ing bubble 24, and the side of lower platen 15 is connected with alignment pin 19, and the lower end of resistance to compression detection means body 1 is provided with tune Nut 21 is saved, the upper end of hydraulic cylinder 10 is connected with oil pipe 4, the upper end of 4 penetration liner of oil pipe 9 connection oil pump 3, hydraulic cylinder 10 and oil pump 3 Between oil pipe 4 on install digital micro flow control valve 8, digital micro flow control valve 8 be electrically connected with controllor for step-by-step motor 7, oil pump 3, A/D converter 6 and controllor for step-by-step motor 7 are electrically connected to computer 2, and bearing plate 12 is connected closed and can be with bushing 9 Slided in bushing 9, ensure that upper hydraulic cylinder 10 can normally promote bearing plate 12 to be slided up and down in cavity 22, the one end of pilot pin 18 It is fixedly connected with top board 14, and the other end of pilot pin 18 is slidably connected chute 23, prevents top board 14 from rotating in the horizontal plane, more Effectively power transmission, it can also increase the service life of resistance to compression detection means body 1, be rotatablely connected by pressure transmission post 13 and ball seat 11, protect Card pressure transmission post 13 can promote ball seat 11 to move down, while ball seat 11 can make to be connected on ball seat 11 with automatic adjustable level On the same axis, the bottom surface of top board 14 sets pressure sensor 5 for top board 14 and lower platen 15, through A/D converter 6 by signal Data signal is converted into, is transmitted to computer 2, you can measures cement specimen resistance to compression value, the oil pipe that oil pump 3 is connected with hydraulic cylinder 10 Digital micro flow control valve 8 is installed on 4, and computer 2 is electrically connected to through controllor for step-by-step motor 7, can be micro- by computer 2 Pressure regulation force value, you can to reach constant continuous pressure requirement, the minimum value pressurizeed every time can also be set, make compression test more Accurately, the data obtained also more precisely, observe level(l)ing bubble 24 and by finely tuning adjusting nut 21 by resistance to compression detection means sheet Body 1 adjusts level, and alignment pin 19 positions for test block.
Wherein, in actual use, ball seat 11, top board 14 and lower platen 15 are steel alloy, top board 14 and are pushed The width of plate 15 is identical, and steel alloy is thermally treated, has very high precision and hardness, can further reduce because cement block extruding may Caused by top board 14 and lower platen 15 test error that contacts facial disfigurement and bring, can also extend instrument service life, upper pressure Plate 14 is identical with the width of lower platen 15, and to ensure that it is uniform that cement specimen is pressurized, pressure-bearing board diameter is identical with cavity inside diameter, ensures to hold Pressing plate and bushing airtight connection, more effectively apply pressure, level(l)ing bubble 24 is two, is vertically set on resistance to compression detection means 1 The upper surface of bottom, two level(l)ing bubbles 24 are located in same level, mutual by two set in same level Vertical level(l)ing bubble 24, and coordinate adjusting nut 21 to ensure that resistance to compression detection means body 1 is on horizontal plane, cement examination The vertical stress of part, can also reduce test error, also avoid resistance to compression detection means body 1 from being reduced service life by cross force, under The surface of pressing plate 14 is vertical with resistance to compression detection means 1 axis of body, makes the vertical stress of cement specimen, further reduces test error.
Operation principle:
In use, first then top board 14 and the wiped clean of lower platen 15 are examined by observing two level(l)ing bubbles 24 Whether horizontal look into resistance to compression detection means body 1, if unhorizontal, then the tune of the lower end of rotary fine adjustment resistance to compression detection means body 1 up and down Nut 21 is saved, bubble in two level(l)ing bubbles 24 is respectively positioned on middle position, cement specimen is placed on center on lower platen 15 Position centering, cement specimen fixed position, adjustment top board 14 can be pressed after being contacted with cement specimen with alignment pin 19, this Shi Liantong power supplys, operated by the control oil pump 3 of computer 2, and control controllor for step-by-step motor 7 logical to control by computer 2 The oil mass of digital micro flow control valve 8 to be crossed, constant and continuous pressure purpose is reached with this, pressure acted on bearing plate 12, The slide downward in cavity 22 of bearing plate 12 is promoted, and ball seat 11 and top board 14 are driven down by promoting pressure transmission post 13 Slide, because pilot pin 18 is fixedly connected with top board 14, prevent top board 14 from rotating in the horizontal plane, more effectively power transmission, pressure transmission Post 13 contacts connection with the annulus of ball seat 11, can be certainly if any minor shifts, ball seat 11 during being pushed after contacting cement specimen Dynamic adjustment, ensures the surface of top board 14, cement specimen upper and lower surface, the surface of lower platen 15 and the axis of resistance to compression detection means body 1 Vertically, guarantee cement specimen stress is vertical successively, guarantee compression test accuracy, will by pressure sensor 5 in pressure process Cement specimen bears pressure record, and is transmitted after the conversion of A/D converter 6 to computer 2, computer 2 and record cement specimen Real-time resistance to compression value, when observing cement specimen close to destruction and rapid obvious deformation occurring, stop pressurization, until cement examination Part destroys, and computer 2 records limit of rupture load now, and the utility model is clear in structure, can be very good to ensure resistance to compression The alignment of detection means body 1, make cement specimen stress vertical, coordinate digital micro flow control valve 8 and controllor for step-by-step motor 7 Reach continuous and constant pressure effect, entire compression detection error is small, and experimental result is accurate.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its improvement design is subject to equivalent substitution or change, should all cover in the scope of protection of the utility model It is interior.

Claims (5)

1. a kind of concrete compression-resistanmodifier detection means, including resistance to compression detection means body(1), it is characterised in that:Described resistance to compression detection Device body(1)Including bushing(9), hydraulic cylinder(10), ball seat(11), bearing plate(12), pressure transmission post(13), top board(14)、 Lower platen(15)With device frame(25), described bushing(9)It is fixedly mounted on device frame(25)On, and bushing(9)Centre is set There is cavity(22), described hydraulic cylinder(10), bearing plate(12)With pressure transmission post(13)It is arranged on cavity(22)Interior, described pressure-bearing Plate(12)With bushing(9)It is slidably connected, described bearing plate(12)Top is hydraulic cylinder(10), described hydraulic cylinder(10)With holding Pressing plate(12)Connection, and hydraulic cylinder(10)Upper end centre position is provided with oilhole, described pressure transmission post(13)One end and bearing plate (12)It is fixedly connected, and pressure transmission post(13)The other end and ball seat(11)Surface offsets, described ball seat(11)Bottom surface is fixedly connected Top board(14), described top board(14)Bottom surface is provided with pressure sensor(5), and top board(14)It is internally provided with wire Groove, described pressure sensor(5)Through metallic channel and A/D converter(6)It is electrically connected with, described device frame(25)Among the back side Chute is set(23), described chute(23)On be provided with pilot pin(18), described pilot pin(18)One end is fixedly connected with top board (14), and pilot pin(18)The other end is slidably connected chute(23), described top board(14)Both ends are fixedly connected with hanging bolt(16), Described hanging bolt(16)It is fixedly attached to spring(20), described spring(20)Pass through screw(17)Clamping is to device frame (25), described lower platen(15)It is fixedly mounted on device frame(25)Lower end, described device frame(25)Lower surface is provided with Level(l)ing bubble(24), described lower platen(15)Side is connected with alignment pin(19), described resistance to compression detection means body(1)Under End is provided with adjusting nut(21), described hydraulic cylinder(10)Upper end is connected with oil pipe(4), described oil pipe(4)Penetration liner (9)Upper end connects oil pump(3), described hydraulic cylinder(10)With oil pump(3)Between oil pipe(4)Upper installation digital micro flow control valve (8), described digital micro flow control valve(8)It is electrically connected with controllor for step-by-step motor(7), described oil pump(3), A/D converter (6)And controllor for step-by-step motor(7)It is electrically connected to computer(2).
A kind of 2. concrete compression-resistanmodifier detection means according to claim 1, it is characterised in that:Described ball seat(11), upper pressure Plate(14)And lower platen(15)It is steel alloy, described top board(14)And lower platen(15)Width is identical.
A kind of 3. concrete compression-resistanmodifier detection means according to claim 1, it is characterised in that:Described bearing plate(12)Diameter With cavity(22)Internal diameter is identical.
A kind of 4. concrete compression-resistanmodifier detection means according to claim 1, it is characterised in that:Described level(l)ing bubble(24)For Two, it is vertically set on resistance to compression detection means body(1)The upper surface of bottom, described two level(l)ing bubbles(24)Positioned at same On horizontal plane.
A kind of 5. concrete compression-resistanmodifier detection means according to claim 1, it is characterised in that:Described lower platen(15)Surface With resistance to compression detection means body(1)Axis is vertical.
CN201720541284.4U 2017-05-16 2017-05-16 A kind of concrete compression-resistanmodifier detection means Expired - Fee Related CN206725363U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760466A (en) * 2018-04-20 2018-11-06 中国地质大学(武汉) A kind of elevated temperature strength strain measurement system based on Material Testing Machine
CN109520816A (en) * 2018-11-13 2019-03-26 华北水利水电大学 A kind of engineering mechanics experiment equipment
CN111120440A (en) * 2019-12-30 2020-05-08 中山市兰佳机械设备有限公司 Automatic oil pressure cutting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760466A (en) * 2018-04-20 2018-11-06 中国地质大学(武汉) A kind of elevated temperature strength strain measurement system based on Material Testing Machine
CN109520816A (en) * 2018-11-13 2019-03-26 华北水利水电大学 A kind of engineering mechanics experiment equipment
CN111120440A (en) * 2019-12-30 2020-05-08 中山市兰佳机械设备有限公司 Automatic oil pressure cutting device

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