CN215922256U

CN215922256U - Concrete shrinkage cracking test mould

Info

Publication number: CN215922256U
Application number: CN202122692712.2U
Authority: CN
Inventors: 张丽娟; 阮铂淮; 朱怀; 高毅; 梁士航; 李腾飞
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-01
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to the technical field of concrete shrinkage cracking test, in particular to a concrete shrinkage cracking test die which comprises a die, wherein the lower end part of the die is fixedly connected with a base, the lower end part of the base is fixedly connected with wheels, the upper end part of the base is provided with an annular groove, the annular groove is rotationally connected with a rotating rod, the side wall of the rotating rod is symmetrically and fixedly connected with clamping blocks, first square grooves are symmetrically arranged in the annular groove, first sliding cross rods are movably connected in the two first square grooves, a limiting mechanism is arranged in the base and comprises sliding vertical rods, when the cross rods are pulled, the clamping blocks are rotated into the first square grooves, the sliding vertical rods are pressed downwards at the same time, the first sliding cross rods are driven to move by the movement of the sliding vertical rods, and at the moment, the clamping blocks are limited by the first sliding cross rods, so that first telescopic rods are fixed, the transverse rod can be pulled to move the die through the wheels, so that the die is convenient to move, and the working efficiency is improved.

Description

Concrete shrinkage cracking test mould

Technical Field

The application relates to the technical field of concrete shrinkage cracking tests, in particular to a concrete shrinkage cracking test mold.

Background

Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.

As disclosed in the chinese patent: a test device for measuring the cracking time and the crack width of concrete in the early age in real time is disclosed as follows: CN202770832U, adopt the concrete test piece of square outside inside a circle, its fracture position is clear-cut, four positions that the thickness is minimum department, so paste the work foil gage in these four positions inboard, can be in real time know the time of fracture, paste the crack meter in the outside, can survey the width of crack, but when concrete test piece was put in the mould, make the mould wholly become heavy inconvenient removal, reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a concrete shrinkage cracking test mould to solve the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

a concrete shrinkage cracking test mould comprises a mould, wherein the lower end part of the mould is fixedly connected with a base, the lower end part of the base is fixedly connected with wheels, the upper end part of the base is provided with a circular groove, a rotating rod is rotationally connected in the circular groove, the side wall of the rotating rod is symmetrically and fixedly connected with clamping blocks, first square grooves are symmetrically formed in the circular groove, first sliding cross rods are movably connected in the two first square grooves, and a limiting mechanism is arranged in the base;

the surface of the rotating rod is fixedly connected with a telescopic mechanism.

Preferably, stop gear is including the slip montant, slip montant and base sliding connection, the first rack of slip montant inside wall symmetry fixedly connected with, tip symmetry swing joint has the bounce-back ware under the slip montant, two the lateral wall that first rack is relative all meshes has first gear, two the equal fixedly connected with connecting rod of lateral wall that first gear is close to first slip horizontal pole, two the equal fixedly connected with second gear of lateral wall that first gear was kept away from to the connecting rod, two the second gear lateral wall all meshes has the second rack, two the second rack all with first slip horizontal pole fixed connection.

Preferably, the telescopic mechanism comprises two first telescopic rods, two first telescopic rods are movably connected to the upper end portions of the first telescopic rods, and two second telescopic rods are fixedly connected to the upper end portions of the second telescopic rods.

Preferably, a second square groove is formed in the surface of the cross rod, circular grooves are symmetrically formed in the second square groove, a second sliding cross rod is symmetrically and movably connected in the second square groove, springs are fixedly connected in the circular grooves, press covers are fixedly connected to the upper end portions of the springs, and the press covers are movably arranged in the second square groove.

Preferably, two tip all runs through under the second telescopic link and has seted up the quad slit, two equal swing joint has movable montant in the quad slit, two movable montant all with second slip horizontal pole fixed connection, two the equal fixedly connected with screens round bar of the relative lateral wall of movable montant.

Preferably, two third square groove, two have all been seted up to first telescopic link upper end the round hole, two have been seted up to the equal even equidistance of lateral wall that first telescopic link is relative the equal swing joint of screens round bar is downthehole at the round hole.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, during the pulling horizontal pole for the fixture block rotates first square inslot, presses the slip montant downwards simultaneously, and the removal of slip montant drives first slip horizontal pole and removes, and the fixture block is spacing by first slip horizontal pole this moment makes first telescopic link fixed, and the pulling horizontal pole alright remove the mould through the wheel this moment, makes the removal of mould more convenient, has improved work efficiency.

Its two, when needs adjustment pull rod length, press down the press lid, the removal of pressing the lid makes the screens round bar remove, the second telescopic link can remove in the third square inslot this moment, when the pull rod stretches out and draws back to the length of needs, loosen and press the lid, the screens round bar just moves in the round hole that corresponds, the second telescopic link just is fixed, just so let the pull rod can stretch out and draw back at will, the personnel that can adapt to different heights use, make more comfortable when the personnel of different heights stimulate the horizontal pole, the practicality of device has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the connecting structure of the sliding vertical rod of the present invention;

FIG. 3 is a schematic view of the snap cap attachment explosion configuration of the present invention;

FIG. 4 is a schematic view of the connection section of the second telescopic rod of the present invention.

In the figure: 11. a mold; 12. a base; 13. a wheel; 14. an annular groove; 15. rotating the rod; 16. a clamping block; 17. a first square groove; 18. a first sliding rail; 19. sliding the vertical rod; 21. a first rack; 22. a rebounder; 23. a first gear; 24. a connecting rod; 25. a second gear; 26. a second rack; 31. a first telescopic rod; 32. a second telescopic rod; 33. a cross bar; 34. a second square groove; 35. a circular groove; 36. a second sliding rail; 37. a spring; 38. pressing the cover; 41. a square hole; 42. a movable vertical rod; 43. a clamping round rod; 44. a third square groove; 45. a circular hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1, 2, 3 and 4, a concrete shrinkage cracking test mold comprises a mold 11, a base 12 is fixedly connected to the lower end of the mold 11, wheels 13 are fixedly connected to the lower end of the base 12, an annular groove 14 is formed in the upper end of the base 12, a rotating rod 15 is rotatably connected to the annular groove 14, clamping blocks 16 are symmetrically and fixedly connected to the side walls of the rotating rod 15, first square grooves 17 are symmetrically formed in the annular groove 14, first sliding cross bars 18 are movably connected to the two first square grooves 17, a limiting mechanism is arranged in the base 12 and comprises sliding vertical bars 19, the sliding vertical bars 19 are slidably connected to the base 12, first racks 21 are symmetrically and fixedly connected to the inner side walls 19 of the sliding vertical bars 19, rebounders 22 are symmetrically and movably connected to the lower end of the sliding vertical bars 19, first gears 23 are engaged with the opposite side walls of the two first racks 21, connecting rods 24 are fixedly connected to the side walls of the two first gears 23 close to the first sliding cross bars 18, the side walls of the two connecting rods 24 far away from the first gear 23 are fixedly connected with second gears 25, the side walls of the two second gears 25 are engaged with second racks 26, the two second racks 26 are fixedly connected with a first sliding cross rod 18, the surface of the rotating rod 15 is fixedly connected with a telescopic mechanism, the telescopic mechanism comprises two first telescopic rods 31, the upper ends of the two first telescopic rods 31 are movably connected with second telescopic rods 32, the upper ends of the two second telescopic rods 32 are fixedly connected with a cross rod 33, the surface of the cross rod 33 is provided with a second square groove 34, circular grooves 35 are symmetrically arranged in the second square groove 34, second sliding cross rods 36 are symmetrically and movably connected in the second square groove 34, springs 37 are fixedly connected in the two circular grooves 35, the upper ends of the two springs 37 are fixedly connected with press covers 38, the press covers 38 are movably arranged in the second square groove 34, square holes 41 are formed in the lower ends of the two second telescopic rods 32, equal swing joint has movable montant 42 in two quad slit 41, two activity montants 42 all with second slip horizontal pole 36 fixed connection, the equal fixedly connected with screens round bar 43 of the relative lateral wall of two activity montants 42, third square groove 44 has all been seted up to two first telescopic links 31 upper ends, round hole 45 has been seted up to the equal even equidistance of the relative lateral wall of two first telescopic links 31, the equal swing joint of two screens round bar 43 is in round hole 45.

When the die is used, firstly, the cross rod 33 is pulled, so that the clamping block 16 rotates into the first square groove 17, meanwhile, the sliding vertical rod 19 is pressed downwards, the movement of the sliding vertical rod 19 drives the first rack 21 to move downwards, the first rack 21 moves and drives the first gear 23 to rotate, the first gear 23 rotates and drives the connecting rod 24 to rotate, the connecting rod 24 rotates and drives the second gear 25 to rotate, the second gear 25 rotates and drives the second rack 26 to move, the second rack 26 moves and drives the first sliding cross rod 18 to move, at the moment, the clamping block 16 is limited by the first sliding cross rod 18, so that the first telescopic rod 31 is fixed, at the moment, the cross rod 33 is pulled, the die 11 is moved through the wheel 13, so that the moving of the die 11 is more convenient and the working efficiency is improved, when the length of the pull rod needs to be adjusted, the press cover 38 is firstly pressed, the second sliding cross rod 36 moves due to the movement of the cover 38, and the movement of the second sliding cross rod 36 causes the movable vertical rod 42 to move, activity montant 42 removes and makes screens round bar 43 remove, screens round bar 43 roll-off in the round hole 45 this moment, alright let second telescopic link 32 remove in third square groove 44, when the pull rod stretches out and draws back to required length, loosen and press lid 38, screens round bar 43 just removes in the round hole 45 that corresponds this moment, second telescopic link 32 just is fixed, just so let the pull rod can stretch out and draw back at will, the personnel that can adapt to different heights use, make more comfortable when the personnel of different heights stimulate horizontal pole 33, the practicality of device has been improved.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a concrete shrinkage cracking test mould, includes mould (11), its characterized in that: the lower end of the die (11) is fixedly connected with a base (12), the lower end of the base (12) is fixedly connected with wheels (13), the upper end of the base (12) is provided with an annular groove (14), the annular groove (14) is rotatably connected with a rotating rod (15), the side walls of the rotating rod (15) are symmetrically and fixedly connected with clamping blocks (16), the annular groove (14) is internally and symmetrically provided with first square grooves (17), the two first square grooves (17) are both movably connected with first sliding cross rods (18), and the base (12) is internally provided with a limiting mechanism;

and the surface of the rotating rod (15) is fixedly connected with a telescopic mechanism.

2. The concrete shrinkage cracking test mold of claim 1, wherein: stop gear is including slip montant (19), slip montant (19) and base (12) sliding connection, slip montant (19) inside wall symmetry fixedly connected with first rack (21), end symmetry swing joint has bounce-back ware (22), two under slip montant (19) the equal meshing of lateral wall that first rack (21) is relative has first gear (23), two first gear (23) are close to the equal fixedly connected with connecting rod (24) of lateral wall of first slip horizontal pole (18), two the equal fixedly connected with second gear (25) of lateral wall that first gear (23) were kept away from in connecting rod (24), two second gear (25) lateral wall all meshes has second rack (26), two second rack (26) all with first slip horizontal pole (18) fixed connection.

3. The concrete shrinkage cracking test mold of claim 1, wherein: the telescopic mechanism comprises two first telescopic rods (31), two second telescopic rods (32) are movably connected to the upper end portions of the first telescopic rods (31), and two cross rods (33) are fixedly connected to the upper end portions of the second telescopic rods (32).

4. The concrete shrinkage cracking test mold of claim 3, wherein: horizontal pole (33) surface has been seted up second square groove (34), circular slot (35) have been seted up to second square inslot (34) internal symmetry, second square inslot (34) internal symmetry swing joint has second slip horizontal pole (36), two equal fixedly connected with spring (37) in circular slot (35), two spring (37) upper end fixedly connected with presses lid (38), establish in second square groove (34) according to lid (38) activity.

5. The concrete shrinkage cracking test mold of claim 3, wherein: two tip all runs through under second telescopic link (32) and has seted up quad slit (41), two equal swing joint has movable montant (42), two in quad slit (41) activity montant (42) all with second slip horizontal pole (36) fixed connection, two the equal fixedly connected with screens round bar (43) of lateral wall that activity montant (42) is relative.

6. The concrete shrinkage cracking test mold of claim 5, wherein: two third square groove (44), two have all been seted up to first telescopic link (31) upper end round hole (45), two have been seted up to the equal even equidistance of lateral wall that first telescopic link (31) is relative the equal swing joint of screens round bar (43) is in round hole (45).