CN209466444U - A kind of assisting demolding device of concrete splitting tensile test piece - Google Patents

A kind of assisting demolding device of concrete splitting tensile test piece Download PDF

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Publication number
CN209466444U
CN209466444U CN201822043024.1U CN201822043024U CN209466444U CN 209466444 U CN209466444 U CN 209466444U CN 201822043024 U CN201822043024 U CN 201822043024U CN 209466444 U CN209466444 U CN 209466444U
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CN
China
Prior art keywords
test piece
slide
spring
length
fixed
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Expired - Fee Related
Application number
CN201822043024.1U
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Chinese (zh)
Inventor
李清富
雷佳
郭威
陈坤洋
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Zhengzhou University
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Zhengzhou University
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Priority to CN201822043024.1U priority Critical patent/CN209466444U/en
Application granted granted Critical
Publication of CN209466444U publication Critical patent/CN209466444U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model relates to a kind of assisting demolding devices of concrete splitting tensile test piece, including pedestal, upper press mechanism and press mechanism, the press mechanism includes being fixed on the base two top pillars being vertically arranged for being used to support test piece mould, two slide bars being vertically arranged are symmetrically fixed in two top pillar two sides on pedestal, spring is arranged on slide bar, the lower end of spring and pedestal are connected, the upper press mechanism includes two support plates being vertically arranged for being symmetricly set on two two upper sides of top pillar, two support plates are separately fixed on the two sidewalls of test piece mould, transverse slat is fixed between two support plate tops, slide plate is symmetrically fixed on mutually separate side wall in two support plates, the slide opening with the cooperation of ipsilateral sliding bar is offered on slide plate, slide plate can be slided up and down by slide opening along slide bar, the upper end of spring and ipsilateral slide plate are connected.The utility model and press machine cooperate, can fast demoulding, and operate very simple and convenient, time saving and energy saving, work efficiency is high.

Description

A kind of assisting demolding device of concrete splitting tensile test piece
Technical field
The utility model belongs to concrete sample demoulding field, and in particular to a kind of auxiliary of concrete splitting tensile test piece Stripper apparatus.
Background technique
Concrete is current one of most important road and bridge construction material, for the use matter for guaranteeing concrete construction Amount needs to carry out concrete the test of correlated performance.Its physics characteristic is detected in the lab to be frequently necessary in laboratory Prepare a large amount of concrete sample, concrete sample is the concreting that will be stirred into test piece mould, is supported to concrete After shield molding, obtained by demoulding.Due to after concrete formation with test piece mould connection compared with it is tight, generally require by stripper Tool demoulds test specimen, is at present mostly extruded concrete out of test piece mould using hand jack or high pressure air rifle, works Intensity is high, troublesome in poeration, low efficiency.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of assisted demoulding of concrete splitting tensile test piece dresses It sets, cooperates with press machine, can rapidly demould test specimen, it is easy to use.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of assisting demolding device of concrete splitting tensile test piece, including pedestal, upper press mechanism and press mechanism, it is described Press mechanism includes being fixed on the base two top pillars being vertically arranged for being used to support test piece mould, in two top pillars on pedestal Two sides are symmetrically fixed with two slide bars being vertically arranged, and are arranged with spring on slide bar, and the lower end of spring and pedestal are connected, it is described on Press mechanism includes two support plates being vertically arranged for being symmetricly set on two two upper sides of top pillar, and two support plates are fixed respectively On the two sidewalls of test piece mould, it is fixed with transverse slat between two support plate tops, in two support plates on mutually separate side wall It is symmetrically fixed with slide plate, the slide opening with the cooperation of ipsilateral sliding bar is offered on slide plate, slide plate can be along slide bar by slide opening Lower slider, the upper end of spring and ipsilateral slide plate are connected.
The top of described two top pillars is fixed with the push plate of lateral arrangement.
Adjacent sidewall bottom offers the card slot for being stuck on test piece mould side wall in described two support plates, and two A support plate is stuck by card slot and test piece mould.
The length of the top pillar is greater than the thickness of test piece mould.
The support plate from test piece mould top surface to transverse slat between length be greater than test specimen thickness.
The length of the slide bar is greater than the length of top pillar, and the natural length of spring is greater than the length of top pillar, the nature of spring Length is less than the length of slide bar.
The utility model and press machine cooperate, and the pressing plate of press machine is pressed in above transverse slat, is made by press machine applied force Transverse slat moves down, and transverse slat drives test piece mould to move down by support plate, so that test specimen is relative to test piece mould to moving up Dynamic and then realize and separate with test piece mould, stripping rate is fast, after test specimen is demoulded out of test piece mould, by test specimen from test piece mould On remove, then control press machine pressing plate move up withdrawal, since test piece mould is during moving down, spring pressure Contracting generates elastic force, and the elastic force of spring drives support plate and transverse slat to move up reset, then can start next demoulding work, grasps Work is very simple and convenient and time saving and energy saving, and work efficiency is high, and the utility model structure is simple, reusable, saves test Cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the utility model test piece mould assembled state structural schematic diagram.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is that the utility model test specimen demoulds status architecture schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As Figure 1-Figure 4, a kind of assisting demolding device of concrete splitting tensile test piece, including pedestal 1, upper press mechanism And press mechanism, press mechanism include the top pillar 2 that two be fixed on pedestal 1 are vertically arranged, existing test piece mould is by growing Square frame 3, the top plate 4 being arranged at the top of rectangle framework and the bottom plate 5 that rectangle framework bottom is arranged in are constituted, top plate 4 With bottom plate 5 with the inner wall sliding contact of rectangle framework 3, bottom plate 5 is placed on two top pillars 2 by when demoulding.In two on pedestal 1 A top pillar two sides are symmetrically fixed with two slide bars being vertically arranged 6, and spring 7, the lower end of spring 7 and pedestal 1 are arranged on slide bar 6 It is connected.Upper press mechanism includes two support plates 8 being vertically arranged for being symmetricly set on two two upper sides of top pillar, two support plates It is separately fixed on the two sidewalls of test piece mould, is fixed with transverse slat 9 between two support plate tops, it is mutually separate in two support plates Side wall on be symmetrically fixed with slide plate 10, the slide opening being slidably matched with ipsilateral slide bar 6 is offered on slide plate 10, slide plate 10 passes through Slide opening can be slided up and down along slide bar 6, and the upper end of spring 7 and ipsilateral slide plate are connected, and support plate 8 can be in vertical direction by spring It moves up and down.
The top of two top pillars is fixed with the push plate 11 of lateral arrangement, and the bottom plate 5 of test piece mould is placed in push plate when demoulding On 11, such bottom slab stress is more uniform, so that the demoulding of test specimen 13 is more smooth, test specimen is avoided to damage.
Adjacent sidewall bottom offers the card slot 12 for being stuck on test piece mould side wall in two support plates, and two Support plate is stuck by card slot 12 with test piece mould, and such test piece mould handling are very convenient.
The length of top pillar is greater than the thickness of test piece mould, in this way so that top pillar can be complete from test piece mould by test specimen 13 It releases, so that test specimen demoulding is complete.
Support plate 8 from test piece mould top surface to transverse slat between length be greater than test specimen 13 thickness, such test piece mould top Face accommodates test specimen to sufficiently large space is just had between transverse slat, so that test specimen is completely out from test piece mould, while It takes out and removes from test piece mould convenient for test specimen.
The length of slide bar 6 is greater than the length of top pillar 2, and the natural length of spring 7 is greater than the length of top pillar 2, the nature of spring 7 Length be less than slide bar 6 length, spring by elastic force drive support plate be located at top pillar top so that it is convenient to test piece mould assembly, Slide plate is also prevented from simultaneously to be detached from from slide bar, in order to avoid repeat installation slide plate.
When the utility model is specifically used, the bottom plate 5 of test piece mould is placed in the push plate 11 of two top pillar upper ends, then Two support plates 8 are stuck on the two sidewalls of rectangle framework 3 of test piece mould, whole device is then put into press machine again On workbench, the pressing plate of press machine is located at the top of transverse slat, then controls press machine at the uniform velocity applied force, the pressing plate of press machine with Transverse slat contact, the workbench and base contacts of press machine, by the extruding of press machine at the uniform velocity, transverse slat 9 drives support plate 8 downward Mobile, support plate 8 drives the rectangle framework 3 of test piece mould to move down, the bottom plate 5 and top plate 4 and test specimen 13 of test piece mould Rectangle framework 3 relative to part mold moves up, and test specimen 13 is just released from the rectangle framework of test piece mould 3, simultaneously Slide plate 10 can be moved down with support plate 8, and spring 7 gradually can generate elastic force by compression, until test specimen 13 is from test piece mould It is completely out in rectangle framework 3, then test specimen 13 is removed, then control the pressing plate of press machine and move up withdrawal, support plate 8 Reset is moved up under the elastic force of spring, can proceed with next test specimen stripping operation, operation is very easy, time saving and energy saving.

Claims (6)

1. a kind of assisting demolding device of concrete splitting tensile test piece, it is characterised in that: including pedestal, upper press mechanism and pushing Mechanism, the press mechanism includes being fixed on the base two top pillars being vertically arranged for being used to support test piece mould, on pedestal Two slide bars being vertically arranged are symmetrically fixed in two top pillar two sides, spring, the lower end of spring and pedestal are arranged on slide bar It is connected, the upper press mechanism includes two support plates being vertically arranged for being symmetricly set on two two upper sides of top pillar, two branch Fagging is separately fixed on the two sidewalls of test piece mould, and transverse slat, phase in two support plates are fixed between two support plate tops It is symmetrically fixed with slide plate on separate side wall, the slide opening with the cooperation of ipsilateral sliding bar is offered on slide plate, slide plate passes through cunning Hole can be slided up and down along slide bar, and the upper end of spring and ipsilateral slide plate are connected.
2. the assisting demolding device of concrete splitting tensile test piece according to claim 1, it is characterised in that: described two The top of top pillar is fixed with the push plate of lateral arrangement.
3. the assisting demolding device of concrete splitting tensile test piece according to claim 2, it is characterised in that: described two Adjacent sidewall bottom offers the card slot for being stuck on test piece mould side wall in support plate, and two support plates pass through card slot It is stuck with test piece mould.
4. the assisting demolding device of concrete splitting tensile test piece according to claim 3, it is characterised in that: the top pillar Length be greater than test piece mould thickness.
5. the assisting demolding device of concrete splitting tensile test piece according to claim 4, it is characterised in that: the support Plate from test piece mould top surface to transverse slat between length be greater than test specimen thickness.
6. the assisting demolding device of concrete splitting tensile test piece according to claim 5, it is characterised in that: the slide bar Length be greater than the length of top pillar, the natural length of spring is greater than the length of top pillar, and the natural length of spring is less than the length of slide bar Degree.
CN201822043024.1U 2018-12-06 2018-12-06 A kind of assisting demolding device of concrete splitting tensile test piece Expired - Fee Related CN209466444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822043024.1U CN209466444U (en) 2018-12-06 2018-12-06 A kind of assisting demolding device of concrete splitting tensile test piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822043024.1U CN209466444U (en) 2018-12-06 2018-12-06 A kind of assisting demolding device of concrete splitting tensile test piece

Publications (1)

Publication Number Publication Date
CN209466444U true CN209466444U (en) 2019-10-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111203970A (en) * 2020-01-15 2020-05-29 宣城军焊焊接科技有限公司 Demoulding device for aluminum oxide electrode cap
CN112356257A (en) * 2020-11-27 2021-02-12 利辛县亚升墙体材料有限公司 Demoulding device for concrete block

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111203970A (en) * 2020-01-15 2020-05-29 宣城军焊焊接科技有限公司 Demoulding device for aluminum oxide electrode cap
CN112356257A (en) * 2020-11-27 2021-02-12 利辛县亚升墙体材料有限公司 Demoulding device for concrete block

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191008

Termination date: 20201206

CF01 Termination of patent right due to non-payment of annual fee