CN113884353A - Novel test mold for concrete crack detection test and operation method - Google Patents
Novel test mold for concrete crack detection test and operation method Download PDFInfo
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- CN113884353A CN113884353A CN202111062702.9A CN202111062702A CN113884353A CN 113884353 A CN113884353 A CN 113884353A CN 202111062702 A CN202111062702 A CN 202111062702A CN 113884353 A CN113884353 A CN 113884353A
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- 239000004567 concrete Substances 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000010687 lubricating oil Substances 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 abstract description 10
- 239000004576 sand Substances 0.000 description 15
- 239000004568 cement Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 210000003127 knee Anatomy 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The invention discloses a novel test die for a concrete crack detection test and an operation method thereof. The trouble of drawing and taking is saved, the operation degree of difficulty is reduced, the practicability is improved, the spring on the other side is stretched, the handle is loosened afterwards, the spring provides resilience force, the square box is made to return to the original position to generate vibration, the trouble of carrying is saved by vibration, the time is saved, the working efficiency is improved, the use is convenient, the leached lubricating oil is brushed on the inner wall of the square box, the operation is simple, the brush leakage is prevented, the normal demoulding is ensured, the straight plate is fixed with an external connecting plate through a bolt, the square box is prevented from moving when the vibration is avoided, the trouble of manual supporting is saved, the use degree of difficulty is reduced, and the popularization and the use are convenient.
Description
Technical Field
The invention relates to the technical field of novel test dies for concrete crack detection tests, in particular to a novel test die for concrete crack detection tests and an operation method.
Background
The common concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. Concrete is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; hardened, i.e. hardened concrete or concrete. The concrete strength grade is divided into a cubic compressive strength standard value, and the Chinese common concrete strength grade is divided into 14 grades: c15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75 and C80, and the prepared fine aggregate of the concrete is required to be clean and free of impurities so as to ensure the quality of the concrete. The sand often contains some harmful impurities, such as mica, clay, silt and the like, which are adhered to the surface of the sand, so that the bonding of cement and the sand is prevented, and the strength of concrete is reduced; meanwhile, the water consumption of the concrete is increased, so that the shrinkage of the concrete is increased, and the frost resistance and the impermeability are reduced. Some organic impurities, sulfides and sulfates, all of which have a corrosive effect on the cement. The sand used by the important engineering concrete is subjected to alkali activity test, when the sand is judged to have potential hazard through test, cement with the alkali content less than 0.6 percent or admixture capable of inhibiting alkali-aggregate reaction, such as fly ash and the like, is used for preparing the concrete; when the admixture containing potassium and sodium ions is used, a special test must be conducted. Under normal conditions, the sea sand can be used for preparing concrete and reinforced concrete, but because the sea sand has large salt content and has corrosion action on reinforcing steel bars, the content of chloride ions in the sea sand for the reinforced concrete should not exceed 0.06 percent (calculated by the weight percentage of dry sand). The prestressed concrete is not suitable for sea sand. If sea sand is necessary, the sea sand is washed by fresh water, and the content of chloride ions in the sea sand is not more than 0.02 percent. Some impurities such as mud, shells and sundries can be cleaned by washing and sieving before use. Especially when high-strength concrete is prepared, the concrete is more strict. When lower strength concrete is formulated with higher grade cement, the workability of the mixture is poor due to the large water cement ratio (mass ratio of water to cement), the small amount of cement used. In this case, if the amount of fine clay in the sand is large, the workability of the mixture can be improved by slightly prolonging the stirring time, and concrete cracks are detected in industrial and civil buildings, and cracks with a width of less than 0.05mm are not dangerous for the use of the structure, and therefore, cracks with a width of more than 0.05mm need to be detected, analyzed, evaluated and processed.
The test mould for the concrete crack detection test that has now is that the mould is got trouble when using, need draw in inside the grinding apparatus and get, the operation degree of difficulty is big, the practicality has been reduced, and need carry together when vibrating, the waste time, the work efficiency has been reduced, be not convenient for use, paint lubricating oil moreover and need the single face go on one by one, the troublesome poeration, take place easily to leak the brush, influence the drawing of patterns, the easy emergence removal when vibrating simultaneously needs artifical the support, the use degree of difficulty has been increased, be not conform to modern's user demand.
Disclosure of Invention
The invention aims to provide a novel test mould for a concrete crack detection test and an operation method, and aims to solve the problems that the existing test mould for the concrete crack detection test in the background art is troublesome in mould taking, needs to be drawn out from the interior of a grinding tool, is high in operation difficulty and reduces the practicability.
In order to achieve the purpose, the invention provides the following technical scheme: a novel test mould for a concrete crack detection test comprises a square box, wherein a lifting structure is arranged at the bottom of the square box;
the lifting structure comprises a bottom plate, a bent rod, a sliding plate, a screw rod, a short plate and a bump;
the outer wall of bottom plate and the bottom slip joint of square chest, the outside of bottom plate links to each other with the inboard bottom welding of knee, the top of knee links to each other with the bottom welding of slide, the inboard of slide and the outer wall below slot opening slip joint of square chest, the top of slide rotates with the bottom of screw rod and links to each other, the outer wall of screw rod and the inner wall threaded connection of short slab, the inboard of short slab links to each other with the outer wall welding of square chest, the one end of screw rod and the bottom integrated into one piece of lug. The square box internal model is convenient to take out.
Preferably, the top outside of square chest is equipped with the montant, the bottom of montant links to each other with the top outside welding of square chest, the processing of outer wall right side top of montant has the round mouth. The square box plays a supporting role for the vertical rod.
Preferably, the outer wall of the square box is provided with a vibration structure;
the vibration structure comprises a support, a wide plate, a cross rod, a spring and a handle;
the inboard of support links to each other with the outside welding of square chest, the outside of support is adjacent with the outer wall of wide plate, the inner wall of wide plate and the outer wall clearance fit of horizontal pole, the inboard of horizontal pole links to each other with the outer wall below welding of square chest, the outer wall of horizontal pole cup joints with the inner wall of spring mutually, the outside of spring and the outer wall below of square chest and the inboard looks rigid coupling of wide plate, the one end of horizontal pole links to each other with the inboard welding of handle. The concrete inside the square box can vibrate conveniently.
Preferably, the inner diameter of the stent conforms to the outer wall of the wide plate. The bracket can slide left and right under the stress of the outer wall of the wide plate.
Preferably, the bottom of the wide plate is provided with a bottom frame, the outer side of the top of the bottom frame is connected with the bottom of the wide plate in a welding mode, and the inner wall of the bottom frame is movably connected with the outer wall of the bottom plate. The underframe supports the wide plate.
Preferably, the front side and the rear side of the underframe are respectively provided with a fixing structure;
the fixing structure comprises a groove plate, a square block, a straight plate and a bolt;
the inboard of frid links to each other with the outer wall welding of chassis, the inner wall bottom equidistance of frid links to each other with the outer wall bottom welding of square, the outer wall of square and the inboard slip joint of straight board, the inner wall of straight board and the outer wall threaded connection of bolt. The stability of square chest when using is guaranteed.
Preferably, the outer wall of the vertical rod is provided with a smearing structure;
the smearing structure comprises a lantern ring, an inserted link, a long rod, a square frame and a brush;
the inner wall of the lantern ring is connected with the outer wall of the vertical rod in a sliding mode, the outer side of the lantern ring is connected with the outer wall of the inserted bar in an inserting mode, the inner side of the lantern ring is fixedly connected with the top of the outer side of the long rod, the bottom of the long rod is connected with the outer side of the top of the square frame in a welding mode, the outer wall of the square frame is planted with the hairbrush, and the outer wall of the inserted bar is matched with the inner diameter of the round opening. Lubricating oil is smeared inside the convenient square box.
Preferably, the outer wall of square frame conforms to the internal diameter of square box, and the equidistant processing of outer wall of square frame has the opening. The opening makes things convenient for the square chest to pour into lubricating oil.
The operation method comprises the following steps: when the test mould is used, the straight plate slides on the inner wall of the groove plate, the straight plate is clamped in the inner side gap of a square block meeting the requirement, then the straight plate penetrates through the straight plate through a bolt to be fixed with an external connecting plate, then the square frame is filled with lubricating oil through the through hole of the outer wall, the lubricating oil wets the brush on the outer wall of the square frame, then the inserted rod is pulled outwards to separate the inserted rod from the round hole, then the lantern ring rotates 180 degrees on the outer wall of the vertical rod and pushes the lantern ring downwards on the outer wall of the vertical rod, the long rod is matched to drive the square frame to move downwards, the square frame is attached to the inner wall of the square box to move downwards, the leached lubricating oil is brushed on the inner wall of the square box, then the square frame is fixed to the original position by reverse operation, concrete is poured into the square box, then the cross rod on one side is pulled through the handle, the square box is driven to move towards one side by the cross rod, meanwhile, the spring is extruded, and the spring on the other side is stretched, then loosen the handle, the spring provides the resilience force, makes the square chest get back to the original place and produces the vibration, vibrates the concrete of square chest inside, and during the mould of getting, makes the screw rod upwards rotate through the short slab, and then drives the slide and upwards slide, and the slide cooperation knee that removes drives the bottom plate rebound to upwards ejecting the model of square chest inside, the use of conveniently taking.
Compared with the prior art, the invention has the beneficial effects that: according to the novel test mould for the concrete crack detection test, the screw rod in the lifting structure rotates upwards through the short plate, so that the sliding plate is driven to slide upwards, the moving sliding plate is matched with the bent rod to drive the bottom plate to move upwards, and therefore the model in the square box is ejected upwards, the trouble of picking is eliminated, the operation difficulty is reduced, and the practicability is improved;
the cross rod on one side is pulled by the handle in the vibrating structure, the cross rod drives the square box to move to one side, meanwhile, the spring is extruded, the spring on the other side is stretched, then the handle is loosened, the spring provides resilience force, the square box returns to the original position to generate vibration, the trouble of carrying is omitted by vibration, the time is saved, the working efficiency is improved, and the use is convenient;
lubricating oil is filled into the through hole in the outer wall of the square frame in the smearing structure, so that the lubricating oil wets the brush on the outer wall of the square frame, the inserted rod is pulled outwards to be separated from the round hole, then the lantern ring rotates for an angle on the outer wall of the vertical rod, then the lantern ring is pushed downwards on the outer wall of the vertical rod, and the long rod is matched to drive the square frame to move downwards, the square frame is attached to the inner wall of the square box to move downwards, leached lubricating oil is brushed on the inner wall of the square box, the operation is simple, the brush leakage is prevented, and normal demoulding is ensured;
the inner wall of the groove plate slides through the straight plate in the fixing structure, the straight plate is clamped in the square inner side gap meeting the requirement, the straight plate is fixed with the external connecting plate through the bolt, the vibration square box is prevented from moving, the trouble of manual support is eliminated, the use difficulty is reduced, and the popularization and the use are facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing a connection structure of the base plate, the bent rod and the slide plate of FIG. 1;
FIG. 3 is a schematic view showing the connection structure of the bracket, the wide plate and the cross bar in FIG. 1;
FIG. 4 is a schematic view of the connection structure of the square box, the vertical rod and the round opening in FIG. 1;
FIG. 5 is a schematic view showing the connection structure of the collar, the insert rod and the long rod in FIG. 1;
fig. 6 is a schematic view of the connection structure of the trough plate, the square block and the straight plate in fig. 1.
In the figure: 1. square box, 2, lifting structure, 201, bottom plate, 202, curved bar, 203, slide board, 204, screw rod, 205, short board, 206, lug, 3, vibrating structure, 301, support, 302, wide board, 303, horizontal pole, 304, spring, 305, handle, 4, daub structure, 401, lantern ring, 402, inserted bar, 403, long pole, 404, square frame, 405, brush, 5, fixed knot constructs, 501, frid, 502, square, 503, straight board, 504, bolt, 6, underframe, 7, montant, 8, round mouth.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a novel test mould for a concrete crack detection test comprises a square box 1, wherein a lifting structure 2 is arranged at the bottom of the square box 1, the lifting structure 2 comprises a bottom plate 201, a bent rod 202, a sliding plate 203, a screw rod 204, a short plate 205 and a bump 206, the outer wall of the bottom plate 201 is in sliding clamping connection with the bottom of the square box 1, the bottom plate 201 is stressed to slide up and down through the bottom of the inner wall of the square box 1, the outer side of the bottom plate 201 is welded and connected with the bottom of the inner side of the bent rod 202, the top of the bent rod 202 is welded and connected with the bottom of the sliding plate 203, the inner side of the sliding plate 203 is in sliding clamping connection with the lower groove opening of the outer wall of the square box 1, the sliding plate 203 is stressed to slide up and down through the inner wall of the lower groove opening of the outer wall of the square box 1, the top of the sliding plate 203 is rotationally connected with the bottom of the screw rod 204, the stress is rotated through a top bearing of the sliding plate 203, the outer wall of the screw rod 204 is in threaded connection with the inner wall of the short plate 205, the inner side of the short plate 205 is welded and connected with the outer wall of the square box 1, one end of the screw 204 and the bottom of the bump 206 are integrally formed, the bump 206 is convenient for driving the screw 204 to rotate, a vertical rod 7 is arranged on the outer side of the top of the square box 1, the bottom of the vertical rod 7 is connected with the outer side of the top of the square box 1 in a welding manner, and a round opening 8 is processed above the right side of the outer wall of the vertical rod 7;
through among the elevation structure screw rod pass through the short slab upwards rotation, and then drive the slide and upwards slide, the slide cooperation knee that removes drives the bottom plate rebound to upwards ejecting with the model of square chest inside, saved and drawn the trouble of getting, reduced the operation degree of difficulty, improved the practicality.
The vibration structure 3 is installed on the outer wall of the square box 1, the vibration structure 3 comprises a support 301, a wide plate 302, a cross rod 303, a spring 304 and a handle 305, the inner side of the support 301 is connected with the outer side of the square box 1 in a welding mode, the outer side of the support 301 is adjacent to the outer wall of the wide plate 302, the support 301 can move left and right on the outer wall of the wide plate 302, the inner wall of the wide plate 302 is in clearance fit with the outer wall of the cross rod 303, the cross rod 303 is stressed to move left and right through the inner wall of the wide plate 302, the inner side of the cross rod 303 is connected with the lower portion of the outer wall of the square box 1 in a welding mode, the outer wall of the cross rod 303 is sleeved with the inner wall of the spring 304, the outer side of the spring 304 is fixedly connected with the inner side of the wide plate 302, the square box 1 is stressed to be matched with the cross rod to move outwards and then rebounded through the elastic force of the spring 304, one end of the cross rod 303 is connected with the inner side of the handle 305 in a welding mode, the handle 305 is convenient for driving the cross rod 303 to move, the inner diameter of the support 301 is consistent with the outer wall of the wide plate 302, the bottom of the wide plate 302 is provided with an underframe 6, the outer side of the top of the underframe 6 is connected with the bottom of the wide plate 302 in a welding way, and the inner wall of the underframe 6 is movably connected with the outer wall of the bottom plate 201;
through handle pulling one side horizontal pole among the vibrating structure, the horizontal pole drives the square chest and removes to one side, extrudees the spring simultaneously, stretches the opposite side spring, loosens the handle afterwards, and the spring provides the resilience force, makes the square chest get back to the original place and produces the vibration, realizes vibrating and saves the trouble of transport, saves time, has improved work efficiency, convenient to use.
The front side and the rear side of the underframe 6 are respectively provided with a fixing structure 5, the fixing structure 5 comprises a groove plate 501, a square plate 502, a straight plate 503 and a bolt 504, the inner side of the groove plate 501 is connected with the outer wall of the underframe 6 in a welding way, the bottom of the inner wall of the groove plate 501 is connected with the bottom of the outer wall of the square plate 502 in a welding way at equal intervals, the outer wall of the square plate 502 is connected with the inner side of the straight plate 503 in a sliding way, the straight plate 503 is stressed to slide through the space between the square plate 502 and the groove plate 501, the inner wall of the straight plate 503 is in threaded connection with the outer wall of the bolt 504, and the bolt 504 rotates up and down through the straight plate 503;
the inner wall of the groove plate slides through the straight plate in the fixing structure, the straight plate is clamped in the square inner side gap meeting the requirement, the straight plate is fixed with the external connecting plate through the bolt, the vibration square box is prevented from moving, the trouble of manual support is eliminated, the use difficulty is reduced, and the popularization and the use are facilitated.
The smearing structure 4 is installed on the outer wall of the vertical rod 7, the smearing structure 4 comprises a lantern ring 401, an inserting rod 402, a long rod 403, a square frame 404 and a brush 405, the inner wall of the lantern ring 401 is connected with the outer wall of the vertical rod 7 in a sliding mode, the lantern ring 401 is stressed to slide up and down through the outer wall of the vertical rod 7, the outer side of the lantern ring 401 is connected with the outer wall of the inserting rod 402 in an inserting mode, the inner side of the lantern ring 401 is fixedly connected with the top of the outer side of the long rod 403, the bottom of the long rod 403 is connected with the outer side of the top of the square frame 404 in a welding mode, the brush 405 is planted on the outer wall of the square frame 404, the brush 405 is made of hog bristles, the outer wall of the inserting rod 402 is matched with the inner diameter of the round opening 8, the inserting rod 402 can be connected with the round opening 8 in an inserting mode, the outer wall of the square frame 404 is matched with the inner diameter of the square box 1, openings are machined on the outer wall of the square frame 404 at equal intervals, and lubricating oil is filled in the square frame 404;
lubricating oil is poured into through the opening of smearing the structure middle square frame outer wall, makes lubricating oil soak the brush of square frame outer wall, then makes it break away from the round mouth to outside pulling inserted bar, then the lantern ring rotates at the outer wall of montant and then promotes the lantern ring in the outer wall of montant downwards, and then the cooperation stock drives square frame downstream, and the inner wall downstream of square frame laminating square box, the lubricating oil brush that will leach is at the inner wall of square box, and easy operation prevents to leak the brush, ensures normal drawing of patterns.
A novel test mould for a concrete crack detection test and an operation method thereof are provided, the operation steps are as follows: when the test mold is used, the straight plate 503 slides on the inner wall of the groove plate 501, the straight plate 503 is clamped in the required gap on the inner side of the square 502, then the bolt 504 penetrates through the straight plate 503 to be fixed with an external connecting plate, then the square frame 404 is filled with lubricating oil through the through hole of the outer wall, the lubricating oil soaks the brush 405 on the outer wall of the square frame 404, then the inserted rod 402 is pulled outwards to be separated from the round opening 8, then the lantern ring 401 rotates 180 degrees on the outer wall of the vertical rod 7, then the lantern ring 401 is pushed downwards on the outer wall of the vertical rod 7, the long rod 403 is matched to drive the square frame 404 to move downwards, the square frame 404 is attached to the inner wall of the square box 1 to move downwards, the extracted lubricating oil is brushed on the inner wall of the square box 1, then the square frame 404 is fixed to the original position by reverse operation, then concrete (concrete) is poured into the square box 1, then the grip 305 pulls the cross rod 303 on one side, the cross rod 303 drives the cross rod 303 on one side to move towards one side by the cross rod 303, simultaneously to the spring 304 extrusion, stretch the opposite side spring 304, loosen handle 305 afterwards, spring 304 provides the resilience force, make square chest 1 return to the original place and produce the vibration, vibrate the inside concrete of square chest 1, during the delivery, make screw rod 204 upwards rotate through short slab 205, and then drive slide 203 and upwards slide, the slide 203 that removes cooperates curved bar 202 and drives bottom plate 201 rebound to upwards ejecting the inside model of square chest 1, the use of conveniently taking.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a novel concrete crack detects experimental test mould of using, includes square chest (1), its characterized in that: the bottom of the square box (1) is provided with a lifting structure (2);
the lifting structure (2) comprises a bottom plate (201), a bent rod (202), a sliding plate (203), a screw rod (204), a short plate (205) and a bump (206);
the outer wall of bottom plate (201) and the bottom slip joint of square chest (1), the outside of bottom plate (201) links to each other with the inboard bottom welding of knee-rod (202), the top of knee-rod (202) links to each other with the bottom welding of slide (203), the inboard of slide (203) and the outer wall below notch slip joint of square chest (1), the top of slide (203) rotates with the bottom of screw rod (204) and links to each other, the outer wall of screw rod (204) and the inner wall threaded connection of short slab (205), the inboard of short slab (205) links to each other with the outer wall welding of square chest (1), the one end of screw rod (204) and the bottom integrated into one piece of lug (206).
2. The novel test mold for the concrete crack detection test according to claim 1, characterized in that: the top outside of square chest (1) is equipped with montant (7), the bottom of montant (7) links to each other with the top outside welding of square chest (1), the processing of the outer wall right side top of montant (7) has round mouth (8).
3. The novel test mold for the concrete crack detection test according to claim 1, characterized in that: the outer wall of the square box (1) is provided with a vibration structure (3);
the vibration structure (3) comprises a support (301), a wide plate (302), a cross rod (303), a spring (304) and a handle (305);
the inboard of support (301) links to each other with the outside welding of square chest (1), the outside of support (301) is adjacent with the outer wall of wide board (302), the inner wall of wide board (302) and the outer wall clearance fit of horizontal pole (303), the inboard of horizontal pole (303) links to each other with the outer wall below welding of square chest (1), the outer wall of horizontal pole (303) cup joints with the inner wall of spring (304) mutually, the outside of spring (304) and the outer wall below of square chest (1) and the inboard looks rigid coupling of wide board (302), the one end of horizontal pole (303) links to each other with the inboard welding of handle (305).
4. The novel test mold for the concrete crack detection test according to claim 3, characterized in that: the inner diameter of the bracket (301) conforms to the outer wall of the wide plate (302).
5. The novel test mold for the concrete crack detection test according to claim 3, characterized in that: the bottom of the wide plate (302) is provided with a bottom frame (6), the outer side of the top of the bottom frame (6) is connected with the bottom of the wide plate (302) in a welding mode, and the inner wall of the bottom frame (6) is movably connected with the outer wall of the bottom plate (201).
6. The novel test mold for the concrete crack detection test according to claim 5, characterized in that: the front side and the rear side of the underframe (6) are respectively provided with a fixed structure (5);
the fixing structure (5) comprises a groove plate (501), a square block (502), a straight plate (503) and a bolt (504);
the inboard of frid (501) links to each other with the outer wall welding of chassis (6), the inner wall bottom equidistance of frid (501) links to each other with the outer wall bottom welding of square (502), the outer wall of square (502) and the inboard slip joint of straight board (503), the inner wall of straight board (503) and the outer wall threaded connection of bolt (504).
7. The novel test mold for the concrete crack detection test according to claim 2, characterized in that: the outer wall of the vertical rod (7) is provided with a smearing structure (4);
the smearing structure (4) comprises a lantern ring (401), an inserting rod (402), a long rod (403), a square frame (404) and a brush (405);
the inner wall of lantern ring (401) and the outer wall slip joint of montant (7), the outside of lantern ring (401) is pegged graft mutually with the outer wall of inserted bar (402), the inboard of lantern ring (401) and the outside top rigid coupling of stock (403), the bottom of stock (403) links to each other with the top outside welding of square frame (404), the outer wall planting of square frame (404) has brush (405), the outer wall of inserted bar (402) conforms to with the internal diameter of round mouth (8).
8. The novel test mold for the concrete crack detection test according to claim 7, characterized in that: the outer wall of square frame (404) accords with the internal diameter of square box (1), the outer wall equidistance processing of square frame (404) has the opening.
9. The operation method of the novel test mold for the concrete crack detection test according to claim 8, characterized by comprising the following steps: when the test mould is used, the straight plate (503) slides on the inner wall of the groove plate (501), the straight plate (503) is clamped in a required square block (502) inner side gap, then the straight plate (503) penetrates through the bolt (504) to be fixed with an external connecting plate, then the square frame (404) is filled with lubricating oil through a through hole of an outer wall, the lubricating oil wets a brush (405) on the outer wall of the square frame (404), then the inserting rod (402) is pulled outwards to be separated from a round opening (8), then the lantern ring (401) rotates 180 degrees on the outer wall of the vertical rod (7) and pushes the lantern ring (401) downwards on the outer wall of the vertical rod (7), and then the long rod (403) is matched to drive the square frame (404) to move downwards, the square frame (404) is matched with the inner wall of the square box (1) to move downwards, the leached lubricating oil is brushed on the inner wall of the box body (1), and then the square frame (404) is fixed to the original position by reverse operation, then pour concrete (concrete) in the inside of square chest (1), draw one side horizontal pole (303) through handle (305) after that, horizontal pole (303) drive square chest (1) and move to one side, extrude spring (304) simultaneously, stretch opposite side spring (304), loosen handle (305) afterwards, spring (304) provide the resilience force, make square chest (1) get back to the original place and produce the vibration, vibrate the concrete in square chest (1) inside, when fetching the mould, make screw rod (204) upwards rotate through short slab (205), and then drive slide (203) upwards to slide, slide (203) that remove cooperate return bend (202) to drive bottom plate (201) upwards to go up, thereby upwards ejecting the model in square chest (1), conveniently fetch and use.
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