CN210570463U

CN210570463U - Hydraulic concrete shrinkage measuring device

Info

Publication number: CN210570463U
Application number: CN201921870299.0U
Authority: CN
Inventors: 黄欣锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-05-19
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a hydraulic concrete shrinkage measuring device, which comprises a bottom plate, wherein two limiting rods arranged in parallel are vertically and fixedly welded at the bottom of the bottom plate, a protective pipe is arranged at the top of the bottom plate, and the bottom of the protective pipe is fixedly communicated with a loop platform; the middle position of the left side of the top of the bottom plate is vertically and fixedly connected with a supporting rod, and the top of the supporting rod is movably inserted into the middle part of the left side of the transverse plate through a damping shaft. The utility model discloses the concrete that will be detected packs and puts in the pillar, then trowel the concrete on pillar inner chamber upper portion, then pass through the damping axle with the horizontal pole and rotate the plectane to pillar upper portion, and take the plectane on the concrete upper portion of pillar inner chamber, the diaphragm activity hole reaches the numerical value apart from the scale mark this moment in the record, then wait for after the concrete solidifies the shrink, the volume that the pole descends passes through the diaphragm activity hole once more to the numerical value apart from the scale mark, the difference of two numerical values is exactly the shrinkage, the condition that the concrete appears collapsing under not having any protection in the avoidance prior art.

Description

Hydraulic concrete shrinkage measuring device

Technical Field

The utility model relates to a hydraulic concrete technical field specifically is a hydraulic concrete shrinkage measuring device.

Background

At present, the concrete used by buildings (or parts of buildings) which are frequently or periodically affected by water in the construction industry and can ensure that the buildings can be normally used for a long time under the conditions is called hydraulic concrete, and the shrinkage rate of the hydraulic concrete is one of key indexes for evaluating the crack resistance of the hydraulic concrete. At present, a hydraulic concrete shrinkage test method refers to the hydraulic concrete test regulation (SL352-2006), and a contact shrinkage measuring instrument is adopted. After the hydraulic concrete reaches a certain age, the shrinkage of the hydraulic concrete is tested, certain errors can be caused due to frequent manual operation, the longitudinal and transverse shrinkage of the hydraulic concrete cannot be simultaneously tested, and the detection precision is low.

A hydraulic concrete shrinkage measuring device is disclosed under the search publication (bulletin) No. CN 204116343U. Although the utility model discloses an it is few to establish the part, compact structure, and the base is adjustable, simple to operate, and easy operation can examine hydraulic concrete vertical, horizontal shrink simultaneously, has overcome the vertical or horizontal shrink of prior art single survey hydraulic concrete to avoided frequently carrying out manual operation to the instrument and the error that produces, improved the detection precision.

However, the inventor finds that the technical scheme still has at least the following defects:

no any protection mechanism is arranged in the technical scheme, so that the concrete test block collapses, the actual use and the detection effect are influenced, and the fall can be detected only by additionally using the ruler in the later stage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic concrete shrinkage measuring device has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic concrete shrinkage measuring device comprises a bottom plate, wherein two limiting rods arranged in parallel are vertically and fixedly welded at the bottom of the bottom plate, a protective pipe is arranged at the top of the bottom plate in a lapping mode, and the bottom of the protective pipe is fixedly communicated with a loop platform;

a supporting rod is vertically and fixedly connected to the middle position of the left side of the top of the bottom plate, the top of the supporting rod is movably inserted into the middle part of the left side of the transverse plate through a damping shaft, and an outer shaft of the damping shaft is fixedly embedded into the middle part of the left side of the transverse plate; a movable hole is vertically formed in the middle of the right side of the transverse plate, a round rod penetrates through the movable hole, distance scale marks are sequentially printed on the right side of the round rod from bottom to top, and the bottom end face of the round rod is vertically and fixedly connected with the middle position of the top of the round plate; the circular plate is positioned in the middle of the upper part of the protective pipe.

As an optimal implementation mode of the utility model, terminal surface and the laminating of bottom plate top under the ring platform, the perforation has vertically been seted up to two intermediate positions about the ring platform, two the perforation is with two the gag lever post activity is pegged graft one by one.

As a preferred embodiment of the utility model, the handle is fixedly arranged at the middle position of the front part of the protective tube.

As a preferred embodiment of the present invention, the round bar is made of polished aluminum alloy.

As a preferred embodiment of the present invention, the protection tube is made of a stainless steel plate with a thickness of 2 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses the concrete that will be detected packs and puts in the pillar, then trowel the concrete on pillar inner chamber upper portion, then pass through the damping axle with the horizontal pole and rotate the plectane to pillar upper portion, and take the plectane on the concrete upper portion of pillar inner chamber, the diaphragm activity hole reaches the numerical value apart from the scale mark this moment in the record, then wait for after the concrete solidifies the shrink, the volume that the pole descends passes through the diaphragm activity hole once more to the numerical value apart from the scale mark, the difference of two numerical values is exactly the shrinkage, high durability and convenient operation, moreover, the steam generator is simple in structure, avoid among the prior art the condition that the concrete appears collapsing under not having any protection.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the hydraulic concrete shrinkage measuring device of the present invention;

FIG. 2 is a schematic view of the structure of the hydraulic concrete shrinkage measuring device of the present invention showing the distribution profile of the through holes on the ring platform;

FIG. 3 is a schematic diagram of the distribution structure of the distance scale lines on the round bar of the hydraulic concrete shrinkage measuring device of the present invention;

fig. 4 is the utility model discloses hydraulic concrete shrinkage measuring device's gag lever post distribution position structure schematic diagram on the bottom plate.

In the figure: the ring platform comprises a ring platform 1, a bottom plate 2, a limiting rod 3, a handle 4, a circular plate 5, a movable hole 6, distance scale marks 7, a circular rod 8, a transverse plate 9, a damping shaft 10, a protective pipe 11, a support rod 12 and a through hole 13.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic concrete shrinkage measuring device comprises a bottom plate 2, two limiting rods 3 which are arranged in parallel are vertically and fixedly welded at the bottom of the bottom plate 2, a protective pipe 11 is arranged at the top of the bottom plate 2, and the bottom of the protective pipe 11 is fixedly communicated with a loop platform 1;

a supporting rod 12 is vertically and fixedly connected to the middle position of the left side of the top of the bottom plate 2, the top of the supporting rod 12 is movably inserted into the middle part of the left side of the transverse plate 9 through a damping shaft 10, and an outer shaft of the damping shaft 10 is fixedly embedded into the middle part of the left side of the transverse plate 9; a movable hole 6 is vertically formed in the middle of the right side of the transverse plate 9, a round rod 8 movably penetrates through the movable hole 6, distance scale marks 7 are sequentially printed on the right side of the round rod 8 from bottom to top, and the bottom end face of the round rod 8 is vertically and fixedly connected with the middle position of the top of the round plate 5; the circular plate 5 is located at the middle position of the upper portion of the protective pipe 11, the concrete filler to be detected is put in the protective pipe 11, the concrete on the upper portion of the inner cavity of the protective pipe 11 is leveled, the circular plate 5 is rotated to the upper portion of the protective pipe 11 through the damping shaft 10 by the aid of the cross rod 9, the circular plate 5 is put on the concrete upper portion of the inner cavity of the protective pipe 11, the numerical value from the movable hole 6 of the transverse plate 9 to the distance scale mark 7 at the moment is recorded, after concrete solidification shrinkage is waited, the descending amount of the circular rod 5 passes through the movable hole 6 of the transverse plate 9 to the numerical value from the distance scale mark 7 again, the difference value of the two numerical values is just the shrinkage amount, the operation is convenient, the structure is simple, and the condition.

In this embodiment, terminal surface and the laminating of 2 tops of bottom plate under the ring platform 1, ring platform 1 about two intermediate positions vertically seted up perforation 13, two perforation 13 and two gag lever posts 3 activity grafting one by one, guarantee the stability of pillar 11, avoid taking place to shift, influence the result of shrinkage.

In this embodiment, 11 anterior intermediate positions of pillar fixed mounting have handle 4, make things convenient for operating personnel to take pillar 11, convenient and fast through handle 4.

In this embodiment, the round bar 8 is made of a polished aluminum alloy material, so that the friction force is reduced to the greatest extent, and the aluminum alloy material has long durability.

In this embodiment, the pillar 11 is made for the stainless steel sheet that 2mm is thick, and the condition of adhesion concrete can not appear in the pillar 11 that adopts the stainless steel to make to later stage washing convenience, life is more of a specified duration.

When a hydraulic concrete shrinkage measuring device uses, need explain, the utility model relates to a hydraulic concrete shrinkage measuring device, including circle platform 1, bottom plate 2, gag lever post 3, handle 4, plectane 5, activity hole 6, apart from scale mark 7, round bar 8, diaphragm 9, damping axle 10, pillar 11, bracing piece 12, perforation 13, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

During the use, the concrete that will be detected is packed and is put in pillar 11, then trowel the concrete on pillar 11 inner chamber upper portion, then with horizontal pole 9 through damping axle 10 with the circular plate 5 rotatory to pillar 11 upper portions, and take circular plate 5 on the concrete upper portion of pillar 11 inner chamber, the numerical value of diaphragm 9 activity hole 6 to apart from scale mark 7 this moment of record, then wait for after the concrete solidification shrink, the volume that circular pole 5 descends is again through the numerical value of diaphragm 9 activity hole 6 to apart from scale mark 7, the difference of two numerical values is exactly the shrinkage, and convenient for operation, moreover, the steam generator is simple in structure, avoid the condition that the concrete appears collapsing under not having any protection among the prior art.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hydraulic concrete shrinkage measuring device, includes bottom plate (2), its characterized in that: the bottom of the bottom plate (2) is vertically and fixedly welded with two limiting rods (3) which are arranged in parallel, a protective pipe (11) is overlapped at the top of the bottom plate (2), and the bottom of the protective pipe (11) is fixedly communicated with a loop platform (1);

a supporting rod (12) is vertically and fixedly connected to the middle position of the left side of the top of the bottom plate (2), the top of the supporting rod (12) is movably inserted into the middle of the left side of the transverse plate (9) through a damping shaft (10), and an outer shaft of the damping shaft (10) is fixedly embedded into the middle of the left side of the transverse plate (9); a movable hole (6) is vertically formed in the middle of the right side of the transverse plate (9), a round rod (8) movably penetrates through the movable hole (6), distance scale marks (7) are sequentially printed on the right side of the round rod (8) from the right lower side to the upper side, and the bottom end face of the round rod (8) is vertically and fixedly connected with the middle position of the top of the round plate (5); the circular plate (5) is positioned in the middle of the upper part of the protective pipe (11).

2. The hydraulic concrete shrinkage measurement device of claim 1, wherein: the end face is laminated with the top of the bottom plate (2) under the ring platform (1), the middle positions of the left part and the right part of the ring platform (1) are vertically provided with two through holes (13), and the through holes (13) are movably inserted into the limiting rods (3) one by one.

3. The hydraulic concrete shrinkage measurement device of claim 1, wherein: and a handle (4) is fixedly arranged in the middle of the front part of the protective tube (11).

4. The hydraulic concrete shrinkage measurement device of claim 1, wherein: the round rod (8) is made of polished aluminum alloy.

5. The hydraulic concrete shrinkage measurement device of claim 1, wherein: the protective pipe (11) is made of a stainless steel plate with the thickness of 2 mm.