CN214666519U - Adjustable concrete thickness detects instrument - Google Patents
Adjustable concrete thickness detects instrument Download PDFInfo
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- CN214666519U CN214666519U CN202120567605.4U CN202120567605U CN214666519U CN 214666519 U CN214666519 U CN 214666519U CN 202120567605 U CN202120567605 U CN 202120567605U CN 214666519 U CN214666519 U CN 214666519U
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Abstract
The utility model relates to an adjustable concrete thickness detects instrument belongs to construction technical field. The adjustable concrete thickness detection tool comprises a main rod, a detection rod sleeved on the main rod and a handle connected to the main rod; the main rod is provided with scale marks arranged along the axial direction of the main rod, the numerical value represented by each scale mark is gradually reduced from top to bottom along the axial direction of the main rod, and the numerical value represented by each scale mark is the design value of the thickness of the concrete floor to be detected, which corresponds to the scale mark; the detection rod is provided with a locking structure, the length of the detection rod is half of that of the main rod, the detection rod is fixedly connected with at least two fixed plates, and the bottom surface of each fixed plate and the bottom surface of the detection rod are positioned on the same plane; when the detection rod is located at the detection position, the numerical value represented by the scale mark aligned with the top end of the detection rod is equal to the distance between the bottom end of the detection rod and the bottom end of the main rod. Whether adjustable concrete thickness detects instrument can high-efficient accurate detection out concreted concrete thickness and meet the requirements.
Description
Technical Field
The utility model relates to a construction technical field especially relates to an adjustable concrete thickness detects instrument.
Background
With the development of economy and the continuous acceleration of urbanization process in China, people have higher and higher requirements on the construction quality of buildings and pay more attention to the construction quality. In the construction of building engineering, concrete engineering is a very important project in the building construction process, the quality of a concrete structure is closely related to us, and the concrete structure has great influence on the overall stability of a building and the use safety of the structure. The thickness control of the floor slab is of great importance and is one of the key factors influencing the safety and the use of the structure. The thickness of the floor slab is determined through load calculation, if the thickness of the floor slab does not meet design requirements, the thickness of the floor slab cannot be controlled within deviation, the thickness of the poured floor slab is easily uneven, the requirement of the size deviation of concrete cannot be met, during detection of a structural entity, the thickness of a protective layer is too thin or too thick, construction hidden dangers are brought to subsequent decoration and finishing work, repair work is required to be carried out before next project construction, the construction period is delayed, the construction cost is increased, the floor slab can be broken if the thickness is serious, and the engineering quality and the structural use safety are affected.
In the traditional construction method, in order to measure the thickness of the floor slab during concrete pouring or before initial setting of the concrete, 2-3 people pull through wires according to a control wire on a template or a 50 control wire on a reserved dowel bar to finish measurement work, or the elevation of the concrete is measured by a level gauge after final setting of the concrete, and the thickness value of the floor slab is obtained through calculation, so that the method has the following problems:
1. the control line is generally marked on a side mould or a reserved steel bar of the floor slab, when the concrete pouring area is large, the distance of the control line is long, the tightness of the pull line is inconsistent, and the measurement deviation occurs;
2. no fixed person is used for measurement, and a plurality of persons participate in measurement reading, so that the error is large;
3. 1 person measures the reading, 2 people act as go-between, and work efficiency is low, and the time is long, influences the next process construction.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an adjustable concrete thickness detects instrument to solve the technical problem that the method of tradition measurement, control concrete slab is complicated, detection efficiency is low.
In order to achieve the above object, the utility model adopts the following technical scheme:
adjustable concrete thickness detects instrument includes:
the main rod is provided with scale marks which are arranged along the axial direction of the main rod, the scale marks comprise initial scale marks, final scale marks and measuring scale marks, the initial scale marks are aligned with the top end of the main rod, and the final scale marks are aligned with the positions corresponding to half of the length of the main rod;
the detection rod is coaxially sleeved on the main rod and can move up and down along the axial direction of the main rod, a locking structure is arranged on the detection rod and used for fixing the detection rod and the main rod together when the detection rod moves to a detection position, so that the top end of the detection rod is flush with the corresponding scale mark, the length of the detection rod is half of the length of the main rod, at least two fixing plates are fixedly connected in the circumferential direction of the detection rod, and the bottom surface of each fixing plate and the bottom surface of the detection rod are positioned on the same plane;
the handle is fixedly connected to the top end of the main rod;
the numerical value represented by each scale mark is gradually reduced from top to bottom along the axial direction of the main rod, and the numerical value represented by each scale mark is the design value of the thickness of the concrete floor to be detected, which corresponds to the scale mark;
when the detection rod is located at the detection position, the numerical value represented by the scale mark aligned with the top end of the detection rod is equal to the distance between the bottom end of the detection rod and the bottom end of the main rod.
The beneficial effects of the above technical scheme are: the utility model discloses an adjustable concrete thickness detects instrument before using, according to the concrete floor thickness that designs on the drawing, adjust the position of test bar through locking structure, make the top of test bar and the scale mark that corresponds parallel and level, because the length of test bar equals half of mobile jib length, also equals total scale interval, therefore the numerical value that the scale mark that this moment and the top of test bar parallel and level represented is the concrete floor thickness value that designs on the drawing; during detection, the device is inserted into concrete, and the distance between the bottom surface of the fixing plate and the upper surface of the concrete is observed to judge whether the thickness of the poured concrete meets the requirement. In the testing process, the utility model discloses an adjustable concrete thickness detects instrument need not to act as go-between and uses laser to sweep the flat appearance and measurationing repeatedly, simple structure, and convenient operation can the short-term test whether concrete thickness meets the requirements to position through adjusting the test bar just can detect the concrete floor thickness of equidimension not, but used repeatedly after having detected, comparatively practical.
Furthermore, the locking structure comprises locking nuts fixed on the detection rod and arranged at intervals up and down along the axial direction of the detection rod, and locking bolts in threaded connection with the corresponding locking nuts, locking holes with axes perpendicular to the axis of the detection rod are formed in positions, corresponding to the locking nuts, on the detection rod, and when the locking bolts are screwed, the locking bolts can penetrate through the corresponding locking holes or exit from the corresponding locking holes.
Has the advantages that: simple structure to when adjusting the position of test bar, the survey crew of being convenient for operates.
Further, the bottom of mobile jib is the toper.
Has the advantages that: the resistance to the insertion of the boom into the concrete is reduced, thereby facilitating the insertion of the boom.
Furthermore, the fixed plate is provided with two blocks, and the two fixed plates are symmetrically arranged relative to the axis of the main rod.
Has the advantages that: the structure of the detection rod is symmetrical, the strength of the detection rod is increased, and the detection rod is beneficial to a measurer to observe the distance between the bottom surface of the fixing plate and the surface of the concrete.
Furthermore, the fixed plate is a right-angled triangular plate.
Has the advantages that: the right-angle triangular plate is adopted, so that materials are saved, and observation is facilitated.
Drawings
FIG. 1 is a front view of the adjustable concrete thickness detection tool of the present invention;
FIG. 2 is a side view of the adjustable concrete thickness detection tool of the present invention;
FIG. 3 is the structure diagram of the detection rod in the adjustable concrete thickness detection tool of the present invention.
Description of reference numerals: the device comprises a main rod 1, a detection rod 2, a handle 3, scale marks 4, a locking nut 5, a locking bolt 6 and a fixing plate 7.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a concrete embodiment of adjustable concrete thickness detection instrument:
as shown in fig. 1, 2 and 3, the adjustable concrete thickness detection tool includes a main rod 1, a detection rod 2 assembled on the main rod 1 to move up and down along an axial direction of the main rod 1, and a handle 3 fixed at a top end of the main rod 1.
Specifically, mobile jib 1 is supported by the round steel, and its facing is equipped with the scale label, has the scale mark 4 of arranging along 1 axial of mobile jib on the scale label, and scale mark 4 includes initial scale mark, final scale mark and measures the scale mark, and initial scale mark aligns with the top of mobile jib, and the position that half of final scale mark and mobile jib length correspond aligns. The numerical value represented by the scale marks is gradually reduced from top to bottom along the axial direction of the main rod, and the numerical value represented by each scale mark is the design value of the thickness of the concrete floor to be detected, which corresponds to the scale mark. Taking the length of the main rod 1 as 1m as an example, the maximum scale value of the scale marks is 50cm, the minimum scale value is 0cm, in this embodiment, the scale mark corresponding to 50cm is the initial scale mark, the scale mark corresponding to 0cm is the final scale mark, and the final scale mark is just in the middle of the main rod 1. The bottom end of the main rod 1 is tapered so that the main rod 1 is inserted into the concrete.
The detection rod 2 is in a sleeve shape and coaxially sleeved on the main rod 1, and the length of the detection rod 2 is half of that of the main rod 1. Be equipped with locking structure on the measuring pole 2, locking structure is used for when measuring pole 2 removes to the detection position with measuring pole 2 together fixed with mobile jib 1 to make the top of measuring pole 2 and the 4 parallel and level of scale mark that correspond. In this embodiment, the locking structure includes lock nuts 5 fixed on the detection rod 2 and arranged at intervals up and down along the axial direction of the detection rod 2, and lock bolts 6 in threaded connection with the corresponding lock nuts 5, a lock hole with an axis perpendicular to the axis of the detection rod 2 is formed in a position on the detection rod 2 corresponding to the lock nut 5, and when the lock bolt 6 is screwed, the lock bolt 6 can pass through the corresponding lock hole or exit from the corresponding lock hole. Two fixed plates are fixedly connected to the circumferential direction of the detection rod, the fixed plates are in a right-angled triangle shape, one of right-angled edges of the fixed plates is parallel to the axis of the detection rod, and the other right-angled edge of the fixed plates is perpendicular to the axis of the detection rod. The two fixing plates are symmetrical about the axis of the detection rod, and the bottom surfaces of the two fixing plates and the bottom surface of the detection rod are in the same plane.
The handle 3 is formed by bending round steel, is oval, and is welded and fixed at the top of the main rod 1 so as to be convenient for a measurer to operate.
Before concrete placement, prepare in advance the utility model discloses an adjustable concrete thickness detects instrument according to the concrete floor thickness that designs on the drawing, the position of loosening locking bolt 6 and adjusting test bar 2, the numerical value that the scale mark that corresponds up to test bar 2's top represented is the same with the concrete floor thickness value that awaits measuring, then screws locking bolt 6, makes test bar 2 and mobile jib 1 fixed together. At this time, the distance between the bottom surface of the fixing plate 7 on the detection rod 2 and the bottom end of the main rod 1 is equal to the thickness of the concrete floor to be detected. After the concrete is vibrated and is accomplished and tentatively strickle off, will the utility model discloses an adjustable concrete thickness detects instrument inserts the concrete, observes the distance between the bottom surface of fixed plate and the concrete surface and can judge whether meet the requirements of the thickness of concreting. If the bottom surface of the fixed plate is higher than the surface of the concrete, the concrete poured is too thin; if the bottom surface of the fixed plate is sunk into the concrete, the poured concrete is too thick; if the bottom surface of the fixing plate is just attached to the surface of the concrete, the poured concrete meets the requirement.
The utility model discloses an adjustable concrete thickness detects instrument need not to act as go-between and uses laser to sweep the flat appearance and measurationing repeatedly in the testing process, preparation and convenience simple to use, labour saving and time saving is favorable to the control of concrete face roughness, can detect out fast whether meet the requirements of concrete thickness to just can detect the concrete floor thickness of equidimension not through the position of adjusting the test bar, but detect back repeatedly usable, comparatively practical, fine use and spreading value have.
In other embodiments, the locking structure may also take other forms, such as providing one-to-one corresponding sockets on the detection rod and the part of the main rod where no graduation mark is provided, and locking the detection rod by the bolts inserted into the two sockets at the same time.
In other embodiments, the scale can be directly processed on the main rod, and a scale label is not needed.
In other embodiments, more than three fixing plates may be provided, and the fixing plates are uniformly distributed along the circumferential direction of the detection rod.
In other embodiments, the fixing plate may be a rectangular plate.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. Adjustable concrete thickness detects instrument, its characterized in that includes:
the main rod is provided with scale marks which are arranged along the axial direction of the main rod, the scale marks comprise initial scale marks, final scale marks and measuring scale marks, the initial scale marks are aligned with the top end of the main rod, and the final scale marks are aligned with the positions corresponding to half of the length of the main rod;
the detection rod is coaxially sleeved on the main rod and can move up and down along the axial direction of the main rod, a locking structure is arranged on the detection rod and used for fixing the detection rod and the main rod together when the detection rod moves to a detection position, so that the top end of the detection rod is flush with the corresponding scale mark, the length of the detection rod is half of the length of the main rod, at least two fixing plates are fixedly connected in the circumferential direction of the detection rod, and the bottom surface of each fixing plate and the bottom surface of the detection rod are positioned on the same plane;
the handle is fixedly connected to the top end of the main rod;
the numerical value represented by each scale mark is gradually reduced from top to bottom along the axial direction of the main rod, and the numerical value represented by each scale mark is the design value of the thickness of the concrete floor to be detected, which corresponds to the scale mark;
when the detection rod is located at the detection position, the numerical value represented by the scale mark aligned with the top end of the detection rod is equal to the distance between the bottom end of the detection rod and the bottom end of the main rod.
2. The adjustable type concrete thickness detection tool according to claim 1, wherein the locking structure comprises locking nuts fixed on the detection rod and arranged along the axial direction of the detection rod at intervals up and down, and locking bolts in threaded connection with the corresponding locking nuts, locking holes with axes perpendicular to the axis of the detection rod are formed in positions, corresponding to the locking nuts, on the detection rod, and when the locking bolts are screwed, the locking bolts can penetrate through the corresponding locking holes or can exit from the corresponding locking holes.
3. The adjustable concrete thickness detection tool of claim 1, wherein the bottom end of the main rod is tapered.
4. The adjustable concrete thickness detection tool of any one of claims 1-3, wherein the fixed plates are provided in two pieces, and the two fixed plates are symmetrically arranged about the axis of the main rod.
5. The adjustable concrete thickness detection tool of claim 4, wherein the fixing plate is a right-angled triangular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567605.4U CN214666519U (en) | 2021-03-19 | 2021-03-19 | Adjustable concrete thickness detects instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567605.4U CN214666519U (en) | 2021-03-19 | 2021-03-19 | Adjustable concrete thickness detects instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214666519U true CN214666519U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567605.4U Active CN214666519U (en) | 2021-03-19 | 2021-03-19 | Adjustable concrete thickness detects instrument |
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| Country | Link |
|---|---|
| CN (1) | CN214666519U (en) |
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2021
- 2021-03-19 CN CN202120567605.4U patent/CN214666519U/en active Active
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