CN214276748U

CN214276748U - Special measuring tool for thickness of steel bar protection layer at bottom of reinforced concrete beam

Info

Publication number: CN214276748U
Application number: CN202120528017.XU
Authority: CN
Inventors: 刘广旭; 孙贺; 董岳; 赵伟雄; 陈远浩; 王宇坤
Original assignee: Shandong Power Construction Group Co ltd
Current assignee: Shandong Power Construction Group Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-09-24
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a special measuring tool of reinforced concrete beam bottom protective layer thickness, including the inside framework of template and template, the bottom is provided with the protective layer that awaits measuring in the template, the protective layer upper surface that awaits measuring is provided with the stirrup, the stirrup upper surface is provided with beam-bottom main muscle, framework bottom fixed mounting has the baffle, just the baffle overlap joint is at the upper surface of beam-bottom main muscle, the inside activity of framework runs through there is the activity post, the bottom fixed mounting of activity post has the measurement thimble activity post upper end fixed mounting has the pushing hands, fixed mounting has balanced measuring device on the lateral wall of activity post and pushing hands. The utility model discloses, simple structure, it is convenient, swift to measure to through setting up counting assembly, satisfied the measurement to the reinforcing bar watering layer of awaiting measuring of different diameters, very practical need not the change instrument, can be timely control roof beam bottom reinforcing bar protective layer quality, guarantee the engineering quality.

Description

Special measuring tool for thickness of steel bar protection layer at bottom of reinforced concrete beam

Technical Field

The utility model relates to a measure technical field, especially relate to reinforced concrete roof beam bottom protective layer thickness specialized measurement instrument.

Background

The reinforced concrete structure has the advantages of firmness, stability, good fireproof performance, low building cost, strong bearing capacity and the like, so the reinforced concrete structure is widely applied to building engineering, in the actual construction process, the application of the reinforced concrete structure can cause some problems, such as the problem of a reinforced protective layer, the reinforced protective layer has great influence on the stress performance, durability, fire resistance and the like of the reinforced concrete structure, the safety and the service life of the building are directly related, and in the protective layers of a plurality of positions, particularly, the reinforced protective layer at the bottom of a beam is difficult to measure and is easy to ignore, and the engineering quality is influenced.

Although the traditional measuring tool is relatively direct and accurate in protective layer measuring data before beam side mold construction, large mounting operation surface templates are not mounted between a beam and surrounding plate surfaces because templates on two sides of the beam are not mounted, and the traditional measuring tool needs to stand on two sides of the beam for measurement, so that great potential safety hazards are brought to checking and acceptance and constructors; and the acceptance procedure influences the construction continuity, so that the construction period is prolonged, part of measuring tools are used for measuring after the equal-beam reinforcing steel bars and the templates are installed, and the thickness of the protective layer is measured inaccurately because the installation sections of the reinforcing steel bars with larger beam heights and the steel ruler have errors. .

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the special measuring tool of reinforced concrete roof beam bottom protective layer thickness that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: special measuring tool of reinforced concrete beam bottom protective layer thickness, including the inside framework of template and template, the bottom is provided with the protective layer that awaits measuring in the template, the protective layer upper surface that awaits measuring is provided with the stirrup, the stirrup upper surface is provided with beam-bottom main muscle, framework bottom fixed mounting has the baffle, just the baffle overlap joint is at the upper surface of beam-bottom main muscle, the inside activity of framework runs through there is the activity post, the bottom fixed mounting of activity post has the measurement thimble activity post upper end fixed mounting has the pushing hands, fixed mounting has balanced measuring device on the lateral wall of activity post and pushing hands, sliding connection has counting assembly on the lateral wall of framework, be provided with the scale mark No. one on the lateral wall of activity post, be provided with the scale mark No. two on the lateral wall of framework.

As a further description of the above technical solution:

balance measurement device includes the ring, the ring inside wall is provided with No. three scale marks, the interior top fixed mounting of ring has the connecting block, connecting block lower extreme fixed mounting has measuring component.

As a further description of the above technical solution:

the measuring assembly comprises a fixed seat, a fixed rod is fixedly connected to the side wall of the fixed seat, a nylon wire is fixedly connected to the outer surface of the fixed rod, and a tension assembly is arranged at one end, far away from the fixed seat, of the nylon wire.

As a further description of the above technical solution:

the tensile force assembly comprises an iron block, and one end, far away from the nylon wire, of the iron block is fixedly provided with a pointer.

As a further description of the above technical solution:

the counting assembly comprises a movable rod, an anti-skidding sleeve is arranged on the outer surface of the movable rod in a fixed sleeve mode, a connecting rod is fixedly mounted on the side wall of the movable rod, a slider is fixedly mounted at one end, away from the movable rod, of the connecting rod, the slider is connected with the side wall of the frame in a sliding mode, a pointer II is fixedly mounted at one end, away from the connecting rod, of the slider, and a fixed assembly penetrates through the surface of the movable rod in a movable mode.

As a further description of the above technical solution:

the fixed subassembly includes the sucking disc, the one end fixedly connected with screw thread post of framework is kept away from to the sucking disc, screw thread post and movable rod threaded connection, the one end fixed mounting that the sucking disc was kept away from to the screw thread post has the hand (hold).

The utility model discloses following beneficial effect has:

1. compared with the prior art, this reinforced concrete beam bottom steel bar protection layer thickness specialized measurement instrument, this device simple structure, it is convenient, swift to through setting up counting assembly, satisfied the measurement to the reinforcing bar watering layer that awaits measuring of different diameters, very practical need not the change instrument, can be timely control bottom of a beam steel bar protection layer quality, guarantee the engineering quality.

2. Compared with the prior art, this special measuring tool of reinforced concrete beam bottom reinforcing bar protective layer thickness through setting up balanced measuring device, makes things convenient for whole measuring device to adjust to the vertical state, has improved the measurement accuracy, has guaranteed that the pouring engineering goes on smoothly.

Drawings

Fig. 1 is a schematic view of the overall structure of a special measuring tool for the thickness of a steel bar protection layer at the bottom of a reinforced concrete beam, which is provided by the utility model;

fig. 2 is a schematic view of a balance measuring device of the special measuring tool for the thickness of the steel bar protection layer at the bottom of the reinforced concrete beam provided by the utility model;

fig. 3 is the utility model provides a special measuring tool's of reinforced concrete roof beam bottom steel bar protective layer thickness counting assembly schematic diagram.

Illustration of the drawings:

1. a frame body; 2. a balance measuring device; 3. a counting device; 4. a first scale line; 5. a movable post; 6. a template; 7. a beam bottom main rib; 8. second scale mark; 9. a baffle plate; 10. hooping; 11. a protective layer to be tested; 12. a pushing handle; 13. measuring a thimble; 21. a circular ring; 22. an iron block; 23. a first pointer; 24. scale line three; 25. a nylon thread; 26. a fixed seat; 27. fixing the rod; 28. connecting blocks; 31. a movable rod; 32. a threaded post; 33. a suction cup; 34. a pointer number two; 35. a slider; 36. an anti-slip sleeve; 37. a connecting rod; 38. and (4) carrying out handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a special measuring tool of reinforced concrete roof beam bottom protective layer thickness: including template 6 and template 6 inside framework 1, the bottom is provided with the protective layer 11 that awaits measuring in template 6, the protective layer 11 upper surface that awaits measuring is provided with stirrup 10, stirrup 10 upper surface is provided with beam bottom owner muscle 7, 1 bottom fixed mounting of framework has baffle 9, and the upper surface of baffle 9 overlap joint at beam bottom owner muscle 7, the inside activity of framework 1 runs through there is movable post 5, the bottom fixed mounting of movable post 5 has the measurement thimble 13 movable post 5 upper end fixed mounting have pushing hands 12, fixed mounting has balanced measuring device 2 on movable post 5 and the lateral wall of pushing hands 12, sliding connection has counting assembly 3 on the lateral wall of framework 1, be provided with scale mark 4 on the lateral wall of movable post 5, be provided with scale mark 8 No. two on the lateral wall of framework 1.

Balance measurement device 2 includes

ring

21, and 21 inside walls of ring are provided with No. three scale marks 24, and ring 21's interior top fixed mounting has connecting block 28, and connecting block 28 lower extreme fixed mounting has a measuring component, and connecting block 28 plays the effect of connecting ring 21 and fixing base 26.

The measuring assembly comprises a fixed seat 26, a fixed rod 27 is fixedly connected to the side wall of the fixed seat 26, a nylon wire 25 is fixedly connected to the outer surface of the fixed rod 27, a tension assembly is arranged at one end, away from the fixed seat 26, of the nylon wire 25, and the nylon wire 25 mainly controls the swing of the iron block 22.

The pulling force subassembly includes iron plate 22, and the one end fixed mounting that iron plate 22 kept away from nylon line 25 has pointer 23 No. one, utilizes the corresponding position of pointer 23 No. one and No. three scale mark 24 can clearly judge whether whole device is perpendicular.

Counting assembly 3 includes movable rod 31, the fixed cover of movable rod 31 surface is equipped with

antiskid cover

36, 31 lateral wall fixed mounting of movable rod has connecting rod 37, connecting rod 37 keeps away from the one end fixed mounting of movable rod 31 has slider 35, slider 35 and frame 1's lateral wall sliding connection, slider 35 keeps away from the one end fixed mounting of connecting rod 37 has No. two

pointers

34, 31 surface activity of movable rod runs through there is fixed subassembly, No. two pointers 34 mainly correspond No. two scale marks 8, the diameter of record roof beam bottom owner muscle 7 and stirrup 10.

Fixed subassembly includes sucking disc 33, and the one end fixedly connected with screw thread post 32 of framework 1 is kept away from to sucking disc 33, screw thread post 32 and movable rod 31 threaded connection, and the one end fixed mounting that the sucking disc 33 was kept away from to screw thread post 32 has hand (hold) 38, and sucking disc 33 mainly makes whole counting assembly 3 paste tight framework 1 lateral wall.

The working principle is as follows: the measurement of the position between the protective layer 11 to be measured and the baffle 9 is facilitated by arranging the baffle 9, firstly, the sum of the diameters of the beam bottom main reinforcement 7 and the stirrup 10 is calculated according to a construction drawing, the counting device 3 is slid on the outer side wall of the movable column 5, the corresponding value of the sum of the diameters is fixed, the counting device 3 can make corresponding diameter records aiming at different beam bottom main reinforcements 7 and stirrups 10, the pushing handle 12 is moved to enable the movable column 5 to slide in the frame body 1, finally, the measuring thimble 13 at the bottom of the movable column 5 is inserted into the protective layer 11 to be measured until the thimble is contacted with a template 6, the difference value between the numerical value of the first scale line 4 and the numerical value of the second scale line 8 is calculated by observing the numerical value of the first scale line 4, the thickness of the protective layer 11 to be measured can be measured, the position of the second pointer 34 is changed by moving the antiskid sleeve 36 up and down, after the corresponding numerical value is selected, the handle 38 is rotated to drive the threaded column 32 to move towards the direction close to the movable column 5, so that the suction cup 33 is tightly attached to the outer side wall of the frame body 1, the counting device 3 and the frame body 1 are finally fixed, and whether the whole device is vertical or not is observed by observing the position of the first pointer 23 pointing to the third scale line 24.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Special measuring tool of reinforced concrete beam bottom steel bar protection layer thickness, including inside framework (1) of template (6) and template (6), its characterized in that: a protective layer (11) to be tested is arranged at the bottom in the template (6), stirrups (10) are arranged on the upper surface of the protective layer (11) to be tested, the upper surface of the stirrup (10) is provided with a beam bottom main rib (7), the bottom of the frame body (1) is fixedly provided with a baffle (9), the baffle (9) is lapped on the upper surface of the beam bottom main rib (7), a movable column (5) is movably penetrated in the frame body (1), a measuring thimble (13) is fixedly arranged at the bottom of the movable column (5), a pushing handle (12) is fixedly arranged at the upper end of the movable column (5), a balance measuring device (2) is fixedly arranged on the side walls of the movable column (5) and the push handle (12), the counting device (3) is connected to the side wall of the frame body (1) in a sliding mode, a first scale mark (4) is arranged on the side wall of the movable column (5), and a second scale mark (8) is arranged on the side wall of the frame body (1).

2. The special measuring tool for the thickness of the steel bar protection layer at the bottom of the reinforced concrete beam as recited in claim 1, characterized in that: balance measurement device (2) include ring (21), ring (21) inside wall is provided with No. three scale marks (24), the interior top fixed mounting of ring (21) has connecting block (28), connecting block (28) lower extreme fixed mounting has measuring unit.

3. The special measuring tool for the thickness of the steel bar protection layer at the bottom of the reinforced concrete beam as recited in claim 2, characterized in that: the measuring assembly comprises a fixed seat (26), a fixed rod (27) is fixedly connected to the side wall of the fixed seat (26), a nylon wire (25) is fixedly connected to the outer surface of the fixed rod (27), and a tension assembly is arranged at one end, far away from the fixed seat (26), of the nylon wire (25).

4. The special measuring tool for the thickness of the steel bar protection layer at the bottom of the reinforced concrete beam as recited in claim 3, characterized in that: the pulling force subassembly includes iron plate (22), one end fixed mounting that nylon wire (25) was kept away from in iron plate (22) has pointer (23).

5. The special measuring tool for the thickness of the steel bar protection layer at the bottom of the reinforced concrete beam as recited in claim 1, characterized in that: counting assembly (3) are including movable rod (31), movable rod (31) outer fixed surface cover is equipped with antiskid cover (36), movable rod (31) lateral wall fixed mounting has connecting rod (37), the one end fixed mounting that movable rod (31) were kept away from in connecting rod (37) has slider (35), slider (35) and the lateral wall sliding connection of framework (1), the one end fixed mounting that connecting rod (37) were kept away from in slider (35) has No. two pointers (34), movable rod (31) surface activity runs through there is fixed subassembly.

6. The special measuring tool for the thickness of the steel bar protection layer at the bottom of the reinforced concrete beam as recited in claim 5, wherein: fixed subassembly includes sucking disc (33), the one end fixedly connected with screw thread post (32) of framework (1) are kept away from in sucking disc (33), screw thread post (32) and movable rod (31) threaded connection, the one end fixed mounting that sucking disc (33) were kept away from in screw thread post (32) has hand (38).