CN112983004A - Drill rod inserting device and method for controlling thickness of concrete plate - Google Patents
Drill rod inserting device and method for controlling thickness of concrete plate Download PDFInfo
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- CN112983004A CN112983004A CN202110226691.7A CN202110226691A CN112983004A CN 112983004 A CN112983004 A CN 112983004A CN 202110226691 A CN202110226691 A CN 202110226691A CN 112983004 A CN112983004 A CN 112983004A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/10—Devices for levelling, e.g. templates or boards
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of concrete pouring, in particular to a drill rod inserting device and a method for controlling the thickness of concrete plates, and aims to solve the problems that in the prior art, the thickness of the plates is measured and controlled by points or lines, and control blind areas and errors exist in precision control of the thickness of the plates. Should insert borer device includes: a polygonal rod group and a screw rod group; the polygon pole group is organized including measuring pole group and fixed rod, and measuring pole group encloses and establishes into measuring plane, and fixed rod group encloses and establishes into the fixed plane, and measuring plane and fixed plane set up along vertical direction parallel interval, and the polygon pole group is passed along vertical direction to the lead screw group, and the bight department that the polygon pole group was established in to the lead screw group, and the lead screw group stretches out the length adjustable of polygon pole group. The technical scheme provided by the invention changes the existing plate thickness control method from a point or line control surface to a controlled surface, and controls the cast-in-place concrete large surface by the shaped small surface, so that the control precision of the cast-in-place concrete plate thickness is improved, the structure is simple, the repeated use is realized, and the construction cost is reduced.
Description
Technical Field
The invention relates to the technical field of concrete pouring, in particular to a drill rod inserting device and a method for controlling the thickness of concrete plates.
Background
The control of the thickness of the cast-in-place concrete plate directly influences the cast-in-place concrete quality of the whole construction engineering or infrastructure engineering and the later use function. Unqualified plate thickness can cause board crack, structure increase dead weight, structure bearing capacity inadequately and the roughness is not conform to the scheduling problem, can reduce the life on road surface in infrastructure engineering, can influence driving safety when serious, not only influences the acceptance and use, still can lead to the incident.
The conventional method of the construction engineering at the present stage is to control the flatness and elevation of the template plate surface before pouring, and then copy and measure 50 lines of the structure on the column reinforcing steel bar. When concrete is poured, a wire is pulled between the columns, 50 wires are measured downwards from the line to control the surface evenness of the concrete, or a finished product customized controller is pre-embedded before the concrete is poured. It is common practice in infrastructure engineering to control the sheet thickness by means of measuring instrument equipment or wire ties.
However, the wire drawing measurement of the plate thickness has the problems of large error and small control range. The pre-buried finished product controller is a disposable consumable, the cost is increased, and the pre-buried part has leakage risk. The thickness of the sheet is controlled using a gauge apparatus, and although the control area is large, the measurement is cumbersome, and the thickness control at a local position is to be enhanced. The methods measure and control the plate thickness by points or lines, and control blind areas and errors exist in the precision control of the plate thickness.
Disclosure of Invention
The invention aims to provide a drill rod inserting device and a method for controlling the thickness of concrete plate, which are used for solving the problems that the thickness of the plate is measured and controlled by points or lines and the control blind area and error exist in the precision control of the thickness of the plate in the prior art.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
in a first aspect, the present invention provides a drill rod inserting device, comprising: a polygonal rod group and a screw rod group;
polygonal pole group is including measuring pole group and fixed rod group, the measuring pole group encloses into measuring plane, the fixed rod group encloses into fixed plane, measuring plane with the fixed plane sets up along vertical direction parallel interval, the lead screw group passes along vertical direction polygonal pole group, the lead screw group sets up in the bight department of polygonal pole group, the lead screw group stretches out the length adjustable of polygonal pole group.
Further, in the present invention,
the measuring rod group and the fixing rod group are both triangular, and the fixing rod group is located above the measuring rod group.
Further, in the present invention,
the screw rod group comprises three screw rods which are respectively arranged at three corners of the polygonal rod group, the screw rods penetrate through the fixed rod group and the measuring rod group along the vertical direction, and the screw rods are respectively connected and fixed with the measuring rod group and the fixed rod group through a screwing structure.
Further, in the present invention,
the lead screw comprises a horizontal section and a vertical section which are fixedly connected, the horizontal section is located at the top of the lead screw, the horizontal section is parallel to the measuring plane and the fixing plane, the vertical section penetrates through the fixing rod group and the measuring rod group along the vertical direction, and a tip end is arranged at the bottom of the vertical section.
Further, in the present invention,
the screwing structure comprises a preset nut and a fastening nut, the preset nut is fixedly arranged at each corner of the measuring rod group and the fixing rod group, the fastening nut is sleeved on the vertical section of the screw rod, and the screw rod is connected with the measuring rod group and the fixing rod group in a mode that the fastening nut is screwed on the preset nut.
Further, in the present invention,
each screw rod is sleeved with two fastening nuts, and the two fastening nuts are respectively screwed and fixed with the preset nuts on the measuring rod group and the preset nuts on the fixing rod group.
Further, in the present invention,
the preset nuts are welded at the corners of the measuring rod group and the fixing rod group, the preset nuts of the measuring rod group are arranged on the same horizontal plane, and the preset nuts of the fixing rod group are arranged on the same horizontal plane.
Further, in the present invention,
the measuring rod group and the fixing rod group respectively comprise three rod pieces which are sequentially connected end to end and have the same length.
In a second aspect, the invention provides a method for controlling the thickness of concrete slab according to the plug borer device, comprising,
adjusting the distance between the measuring rod group and the bottom end of the screw rod group to be equal to the thickness of a preset concrete plate, fixing the polygonal rod group and the screw rod group, vertically penetrating the screw rod group through the concrete, placing the bottom of the screw rod group in a plate bottom template, and observing the measuring rod group to determine whether the thickness of the concrete plate meets the requirement.
Further, in the present invention,
and a plurality of the drill rod inserting devices are arranged at intervals, and the measuring rod group of each drill rod inserting device is observed to determine whether the thickness of the concrete plate integrally meets the requirement.
The embodiment of the invention has the following beneficial effects:
because the invention provides a drill rod inserting device, comprising: a polygonal rod group and a screw rod group;
the polygon pole group is organized including measuring pole group and fixed rod, and measuring pole group encloses and establishes into measuring plane, and fixed rod group encloses and establishes into the fixed plane, and measuring plane and fixed plane set up along vertical direction parallel interval, and the polygon pole group is passed along vertical direction to the lead screw group, and the bight department that the polygon pole group was established in to the lead screw group, and the lead screw group stretches out the length adjustable of polygon pole group.
When the thickness of the cast-in-place concrete plate is measured, the distance between the measuring rod group and the bottom end of the screw rod group can be adjusted to be the thickness of the preset concrete plate, then the screw rod group vertically penetrates through the concrete, the bottom of the screw rod group is arranged in the plate bottom template, and whether the measuring plane is parallel and level with the top plane of the concrete is observed to determine whether the thickness of the concrete plate meets the requirement.
The thickness of the cast-in-place concrete plate is measured by using the inserted drill rod device, the conventional plate thickness control method is changed from a point or line control surface to a controlled surface, and the large surface of the cast-in-place concrete is controlled by the shaped small surface, so that the thickness control precision of the cast-in-place concrete plate is improved, the structure is simple, the cast-in-place concrete plate can be repeatedly recycled, and the construction cost is reduced.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the control of the thickness of concrete slab by a drill rod inserting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a lead screw and a fastening nut according to an embodiment of the present invention.
Icon:
100-polygonal rod group; 110-measuring rod set; 120-a set of fixed rods;
200-a screw rod group; 210-a screw rod; 211-horizontal segment; 212-vertical section;
310-preset nut; 320-fastening nuts.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the following, some embodiments of the present invention will be described in detail with reference to the accompanying drawings, and features of the following examples and examples can be combined with each other without conflict, wherein fig. 1 is a schematic view of controlling the thickness of a concrete slab by a penetration device according to an example of the present invention; fig. 2 is a schematic structural diagram of a lead screw and a fastening nut according to an embodiment of the present invention.
Example one
The control of the thickness of the cast-in-place concrete plate directly influences the cast-in-place concrete quality of the whole construction engineering or infrastructure engineering and the later use function. Unqualified plate thickness can cause board crack, structure increase dead weight, structure bearing capacity inadequately and the roughness is not conform to the scheduling problem, can reduce the life on road surface in infrastructure engineering, can influence driving safety when serious, not only influences the acceptance and use, still can lead to the incident.
The conventional method of the construction engineering at the present stage is to control the flatness and elevation of the template plate surface before pouring, and then copy and measure 50 lines of the structure on the column reinforcing steel bar. When concrete is poured, a wire is pulled between the columns, 50 wires are measured downwards from the line to control the surface evenness of the concrete, or a finished product customized controller is pre-embedded before the concrete is poured. It is common practice in infrastructure engineering to control the sheet thickness by means of measuring instrument equipment or wire ties.
However, the wire drawing measurement of the plate thickness has the problems of large error and small control range. The pre-buried finished product controller is a disposable consumable, the cost is increased, and the pre-buried part has leakage risk. The thickness of the sheet is controlled using a gauge apparatus, and although the control area is large, the measurement is cumbersome, and the thickness control at a local position is to be enhanced. The methods measure and control the plate thickness by points or lines, and control blind areas and errors exist in the precision control of the plate thickness.
In view of the above, an embodiment of the present invention provides a drill rod inserting device, referring to fig. 1, including: a polygonal bar set 100 and a screw set 200; the polygonal rod group 100 comprises a measuring rod group 110 and a fixing rod group 120, the measuring rod group 110 is arranged in a measuring plane in an enclosing mode, the fixing rod group 120 is arranged in a fixing plane in an enclosing mode, the measuring plane and the fixing plane are arranged in parallel at intervals in the vertical direction, the screw rod group 200 penetrates through the polygonal rod group 100 in the vertical direction, the screw rod group 200 is arranged at the corner of the polygonal rod group 100, and the length of the screw rod group 200 extending out of the polygonal rod group 100 is adjustable.
When the thickness of the cast-in-place concrete plate is measured, the distance between the measuring rod group 110 and the bottom end of the screw rod group 200 can be adjusted to be the thickness of the preset concrete plate, then the screw rod group 200 vertically penetrates through the concrete, the bottom of the screw rod group is arranged on a plate bottom template, and whether the measuring plane is flush with the top plane of the concrete or not is observed to determine whether the thickness of the concrete plate meets the requirement or not.
The embodiment of the invention has the following beneficial effects:
the thickness of the cast-in-place concrete plate is measured by using the inserted drill rod device, the conventional plate thickness control method is changed from a point or line control surface to a controlled surface, and the large surface of the cast-in-place concrete is controlled by the shaped small surface, so that the thickness control precision of the cast-in-place concrete plate is improved, the structure is simple, the cast-in-place concrete plate can be repeatedly recycled, and the construction cost is reduced.
The specific arrangement of the measuring bar group 110 and the fixing bar group 120 is specifically described as follows:
preferably, the measuring bar set 110 and the fixing bar set 120 are triangular, and the fixing bar set 120 is located above the measuring bar set 110.
The triangular measuring rod set 110 and the triangular fixing rod set 120 have stability, can be stably placed in a concrete layer after being connected with the screw rod set 200, and can save materials and reduce manufacturing cost. Of course, the measuring bar set 110 and the fixing bar set 120 may be provided in other shapes, such as quadrangle, pentagon, etc.
Preferably, the measuring bar set 110 and the fixing bar set 120 each include three bars of equal length connected end to end in sequence. The regular triangle of the measuring rod set 110 and the fixing rod set 120 can ensure that each rod is stressed evenly during the measuring process, and the structural damage of the polygonal rod set 100 can not be caused.
It should be noted that the number of the measuring bar groups 110 is set to one, and the number of the fixing bar groups 120 may be set to one or more. When the number of the fixing bar groups 120 is set to be plural, the plural fixing bar groups 120 are disposed above the measuring bar group 110 in parallel at intervals in the vertical direction. The measuring rod set 110 and the fixing rod set 120 are horizontally arranged to ensure accurate measurement of the thickness of the concrete plate. Preferably, the number of the fixing bar groups 120 is set to one in order to save materials and reduce costs.
The structure and the specific arrangement of the screw rod set 200 are specifically described as follows:
the screw group 200 includes three screws 210, the three screws 210 are respectively disposed at three corners of the polygonal rod group 100, the screws 210 penetrate through the fixed rod group 120 and the measuring rod group 110 along the vertical direction, and the screws 210 are respectively connected and fixed with the measuring rod group 110 and the fixed rod group 120 through a screwing structure.
The three lead screws 210 sequentially penetrate through the fixed rod group 120 and the measuring rod group 110 from top to bottom in the vertical direction, the three lead screws 210 respectively support the polygonal rod group 100 from the corner parts of the measuring rod group 110 and the fixed rod group 120, the stability of the drill rod inserting device in the using process is guaranteed, the phenomena of inclination and the like which possibly occur in a single inserted drill rod are avoided, the use error is small, and the thickness control is accurate.
Further, referring to fig. 2, the screw 210 includes a horizontal section 211 and a vertical section 212 fixedly connected to each other, the horizontal section 211 is located at the top of the screw 210, the horizontal section 211 is parallel to the measuring plane and the fixing plane, the vertical section 212 passes through the fixing rod set 120 and the measuring rod set 110 along the vertical direction, and the bottom of the vertical section 212 is provided with a tip.
The horizontal segment 211 is arranged to facilitate the plug-in drill rod device to be carried and rotated after being connected and fixed, and the tip of the bottom of the vertical segment 212 is arranged on the bottom template when the thickness of the concrete plate is measured, so that the accuracy of the thickness measurement of the concrete plate is ensured. Meanwhile, the vertical section 212 passes through the fixed bar group 120 and the measuring bar group 110 in the vertical direction, further ensuring measurement of the thickness of the concrete in the vertical direction.
The composition and arrangement of the screwing structure are specifically described as follows:
the screwing structure comprises a preset nut 310 and a fastening nut 320, the preset nut 310 is fixedly arranged at each corner of the measuring rod group 110 and the fixing rod group 120, the fastening nut 320 is sleeved on the vertical section 212 of the screw rod 210, and the screw rod 210 is connected to the measuring rod group 110 and the fixing rod group 120 in a mode that the fastening nut 320 is screwed on the preset nut 310.
Further, the preset nuts 310 are welded to the corners of the measuring bar group 110 and the fixing bar group 120, the preset nuts 310 of the measuring bar group 110 are disposed on the same horizontal plane, and the preset nuts 310 of the fixing bar group 120 are disposed on the same horizontal plane.
The preset nuts 310 of the measuring rod group 110 and the fixing rod group 120 are respectively arranged on the same horizontal plane, so that the screw rod 210 can be vertically connected with the measuring rod group 110 and the fixing rod group 120, and the accuracy of measuring the thickness of the concrete in the vertical direction is ensured.
Further, referring to fig. 2, each of the screw rods 210 is sleeved with two fastening nuts 320, and the two fastening nuts 320 are respectively fastened and fixed with the preset nut 310 on the measuring rod group 110 and the preset nut 310 on the fixing rod group 120.
The tightening of the pre-nut 310 and the tightening nut 320 causes the polygonal rod set 100 and the wire rod set 200 to be connected and tightened to form a bar inserting device for measuring the thickness of the concrete slab.
Example two
The embodiment of the invention provides a method for controlling the thickness of concrete plates according to a brazing filler metal inserting device in the first embodiment, which comprises the following steps: adjusting the distance between the measuring rod group 110 and the bottom end of the screw rod group 200 to be equal to the thickness of the preset concrete plate, fixing the polygonal rod group 100 and the screw rod group 200, vertically penetrating the screw rod group 200 through the concrete, placing the bottom of the screw rod group 200 in a plate bottom template, and observing the measuring rod group 110 to determine whether the thickness of the concrete plate meets the requirement.
The thickness of the cast-in-place concrete plate is measured by using the inserted drill rod device, the conventional plate thickness control method is changed from a point or line control surface to a controlled surface, and the large surface of the cast-in-place concrete is controlled by the shaped small surface, so that the thickness control precision of the cast-in-place concrete plate is improved, the structure is simple, the cast-in-place concrete plate can be repeatedly recycled, and the construction cost is reduced.
Further, a plurality of plug-in drill devices are arranged at intervals, and the measuring rod group 110 of each plug-in drill device is observed to determine whether the thickness of the concrete plate integrally meets the requirement.
A plurality of borer devices of inserting interval set up, observe whether parallel and level of measuring plane and concrete top plane, can confirm on the whole whether the concrete plate is thick to meet the requirements.
It should be noted that the drill rod inserting device can be reused, the length of the screw rod group 200 extending out of the polygonal rod group 100 can be adjusted according to different preset plate thicknesses, and the plate thickness of the whole large surface of the cast-in-place concrete is controlled by the small sizing surface.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A drill rod inserting device is characterized by comprising: a polygonal rod group (100) and a screw rod group (200);
polygonal pole group (100) is including measuring pole group (110) and fixed rod group (120), measuring pole group (110) encloses and establishes into the measuring plane, fixed rod group (120) enclose and establish into the fixed plane, the measuring plane with the fixed plane sets up along vertical direction parallel interval, screw group (200) pass along vertical direction polygonal pole group (100), screw group (200) set up in the bight department of polygonal pole group (100), screw group (200) stretch out the length adjustable of polygonal pole group (100).
2. The brazing device according to claim 1,
the measuring rod group (110) and the fixing rod group (120) are both triangular, and the fixing rod group (120) is located above the measuring rod group (110).
3. The brazing device according to claim 2,
the screw rod group (200) comprises three screw rods (210), the three screw rods (210) are respectively arranged at three corners of the polygonal rod group (100), the screw rods (210) penetrate through the fixed rod group (120) and the measuring rod group (110) along the vertical direction, and the screw rods (210) are respectively connected and fixed with the measuring rod group (110) and the fixed rod group (120) through a screwing structure.
4. The brazing device according to claim 3,
the screw rod (210) comprises a horizontal section (211) and a vertical section (212) which are fixedly connected, the horizontal section (211) is located at the top of the screw rod (210), the horizontal section (211) is parallel to the measuring plane and the fixing plane, the vertical section (212) penetrates through the fixing rod group (120) and the measuring rod group (110) along the vertical direction, and a tip is arranged at the bottom of the vertical section (212).
5. The brazing device according to claim 4,
the screwing structure comprises a preset nut (310) and a fastening nut (320), the preset nut (310) is fixedly arranged at each corner of the measuring rod group (110) and the fixing rod group (120), the fastening nut (320) is sleeved on the vertical section (212) of the screw rod (210), and the screw rod (210) is connected with the measuring rod group (110) and the fixing rod group (120) in a mode that the fastening nut (320) is screwed on the preset nut (310).
6. The brazing device according to claim 5,
each screw rod (210) is sleeved with two fastening nuts (320), and the two fastening nuts (320) are respectively screwed and fixed with the preset nut (310) on the measuring rod group (110) and the preset nut (310) on the fixing rod group (120).
7. The brazing device according to claim 5,
the angle parts of the measuring rod group (110) and the fixing rod group (120) are welded with the preset nuts (310), the preset nuts (310) of the measuring rod group (110) are arranged on the same horizontal plane, and the preset nuts (310) of the fixing rod group (120) are arranged on the same horizontal plane.
8. The brazing device according to claim 2,
the measuring rod group (110) and the fixing rod group (120) respectively comprise three rod pieces which are sequentially connected end to end and have the same length.
9. A method of controlling the thickness of a concrete slab of a plug pin device according to any one of claims 1 to 8,
adjusting the distance between the measuring rod group (110) and the bottom end of the screw rod group (200) to be a preset concrete plate thickness, fixing the polygonal rod group (100) and the screw rod group (200), vertically penetrating the screw rod group (200) through concrete and placing the bottom of the screw rod group on a plate bottom template, and observing the measuring rod group (110) to determine whether the concrete plate thickness meets the requirement.
10. The method of controlling a thickness of a concrete plate according to claim 9,
the plurality of the plug-in drill devices are arranged at intervals, and the measuring rod group (110) of each plug-in drill device is observed to determine whether the thickness of the concrete plate is wholly qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110226691.7A CN112983004A (en) | 2021-03-01 | 2021-03-01 | Drill rod inserting device and method for controlling thickness of concrete plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110226691.7A CN112983004A (en) | 2021-03-01 | 2021-03-01 | Drill rod inserting device and method for controlling thickness of concrete plate |
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| Publication Number | Publication Date |
|---|---|
| CN112983004A true CN112983004A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110226691.7A Pending CN112983004A (en) | 2021-03-01 | 2021-03-01 | Drill rod inserting device and method for controlling thickness of concrete plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2031888A (en) * | 1987-08-04 | 1989-02-09 | Csr Limited | Modular access floor |
| CN206873945U (en) * | 2017-06-26 | 2018-01-12 | 中国建筑第五工程局有限公司 | A kind of constructing device for lifting concrete floorslab thickness qualities |
| CN208073001U (en) * | 2018-03-16 | 2018-11-09 | 中建七局(上海)有限公司 | A kind of cast-in-site concrete floor thickness control tool |
| CN109763659A (en) * | 2019-01-30 | 2019-05-17 | 中建三局集团有限公司 | A kind of 3 points adjustable cast-in-place concrete board thickness detection devices |
| CN210798326U (en) * | 2019-07-26 | 2020-06-19 | 中建三局集团有限公司 | Cast in situ concrete board thickness test frame with adjustable three points |
-
2021
- 2021-03-01 CN CN202110226691.7A patent/CN112983004A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2031888A (en) * | 1987-08-04 | 1989-02-09 | Csr Limited | Modular access floor |
| CN206873945U (en) * | 2017-06-26 | 2018-01-12 | 中国建筑第五工程局有限公司 | A kind of constructing device for lifting concrete floorslab thickness qualities |
| CN208073001U (en) * | 2018-03-16 | 2018-11-09 | 中建七局(上海)有限公司 | A kind of cast-in-site concrete floor thickness control tool |
| CN109763659A (en) * | 2019-01-30 | 2019-05-17 | 中建三局集团有限公司 | A kind of 3 points adjustable cast-in-place concrete board thickness detection devices |
| CN210798326U (en) * | 2019-07-26 | 2020-06-19 | 中建三局集团有限公司 | Cast in situ concrete board thickness test frame with adjustable three points |
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Application publication date: 20210618 |
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