Thickness detection device for building concrete floor

Abstract

The utility model discloses a building concrete floor thickness detection device, which belongs to the field of building construction detection and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a bottom frame, two first bearings are fixedly embedded in the inner side wall of the bottom frame, inner rings of the two first bearings are jointly and fixedly connected with a connecting rod, and the connecting rod is fixedly connected with the bottom frame. The outer surface of the connecting rod is sleeved with a first gear, the upper surface of the bottom frame is fixedly connected with a supporting frame, a worker rotates a rotating disc, under the cooperation of the first gear and a second gear, a first threaded rod in the device can be driven to rotate, and therefore a lifting column can stretch out of the supporting frame; according to the device, a detection instrument installed at the top of the device is jacked to the bottom surface of a floor slab, and in the detection process, through cooperation of a plurality of springs and jacking rods, elastic force can be generated between the device and the floor slab, the detection instrument in the device is prevented from being damaged, and therefore the burden of workers can be reduced through the device.

Description

Technical Field

[0001] The utility model relates to the field of building construction detection, in particular to a device for detecting the thickness of a building concrete floor slab. Background Art

[0002] At the construction site, in order to ensure the construction accuracy and quality, multiple inspections and positioning are required before and after construction. Among them, after the concrete floor is poured, the thickness of the formed floor needs to be inspected and located, and then handled in time to avoid uneven floors or partial collapse.

[0003] A Chinese patent with announcement number CN113028944B discloses a novel floor thickness detection device, which includes: a measuring mechanism, which is used to read the value of the floor thickness to be measured, and the measuring mechanisms are respectively arranged on both sides of the floor; a supporting mechanism, which is used to support a part of the measuring mechanism located below the floor, and the distances between the electromagnet and the force-bearing block are different, and the suction force applied to the force-bearing block is controlled to be different. When the floor is thicker, the suction force applied to the force-bearing block is small, the length of the pulling spring is small, and the pointer corresponds to the scale mark at a higher position, and vice versa, the pointer corresponds to the scale mark at a lower position, thereby reflecting the thickness of the floor. However, the above patent needs to be manually held in hand when in use, and the transmitting probe of the handheld detector is pressed against the lower surface of the building floor for a long time, which can easily cause soreness in the hands of the staff and impose a heavy burden on the staff. Therefore, a technical personnel in this field provides a building concrete floor thickness detection device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a device for detecting the thickness of a building concrete floor slab, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for detecting the thickness of a building concrete floor slab comprises a bottom plate, the upper surface of the bottom plate is fixedly connected to a bottom frame, the inner side wall of the bottom frame is fixedly inlaid with two first bearings, the inner rings of the two first bearings are commonly fixedly connected to a connecting rod, the outer surface of the connecting rod is sleeved with a first gear, the upper surface of the bottom frame is fixedly connected to a supporting frame, the inner bottom wall of the supporting frame is fixedly inlaid with a second bearing, the inner ring of the second bearing is fixedly connected to a first threaded rod, the bottom end of the first threaded rod is fixedly connected to a second gear, the first gear and the second gear are meshed, a lifting column is sleeved inside the supporting frame, a first threaded groove is opened inside the lifting column, the first threaded rod is threadedly connected to the first threaded groove, a top plate is installed on the top of the lifting column by bolts, and a detection instrument is placed on the upper surface of the top plate.

[0007] As a further solution of the utility model: a second threaded groove is opened on the upper surface of the top plate, a mounting plate is fixedly connected to the bottom surface of the detection instrument, a second threaded rod is fixedly connected to the bottom surface of the mounting plate, and the second threaded groove is threadedly connected to the second threaded rod.

[0008] As a further solution of the utility model: a plurality of slide grooves are provided on the inner wall of the support frame, a plurality of sliding blocks are fixedly connected to the outer surface of the lifting column, and each of the slide grooves is adapted to a sliding block.

[0009] As a further solution of the utility model: a self-locking device is provided at the left end of one of the connecting rods, and a rotating disk is fixedly connected to the left end of the self-locking device.

[0010] As a further solution of the utility model: a plurality of ray positioning auxiliary devices are fixedly connected to the upper surface of the top plate, and a plurality of sleeves are fixedly connected to the upper surface of the top plate.

[0011] As a further solution of the utility model: a spring is fixedly connected to the inside of each sleeve, and a top end of each spring is fixedly connected to a push rod.

[0012] As a further solution of the utility model: a push frame is fixedly connected to the right side of the bottom plate, and a plurality of moving wheels are fixedly connected to the bottom surface of the bottom plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a device for detecting thickness of building concrete floor slabs. When a worker rotates a rotating disk, a first gear and a second gear cooperate to drive a first threaded rod in the device to rotate, so that a lifting column can be extended from a supporting frame to push a detection instrument installed on the top of the device to the bottom surface of the floor slab. In the detection process, elastic force can be generated between the device and the floor slab through the cooperation of a plurality of springs and the push rod, so as to prevent the detection instrument in the device from being damaged. Therefore, the device can reduce the burden on the worker. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a building concrete floor thickness detection device;

[0016] Figure 2 It is a schematic diagram of the front section structure of a device for detecting the thickness of a building concrete floor;

[0017] Figure 3 A device for detecting the thickness of a building concrete floor Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 The present invention is a schematic diagram of the front section structure of a sleeve in a device for detecting the thickness of a building concrete floor slab.

[0019] In the figure: 1, bottom plate; 2, top plate; 3, lifting column; 4, support frame; 5, self-locking device; 6, rotating disk; 7, moving wheel; 8, detection instrument; 9, mounting plate; 10, slider; 11, push frame; 12, bottom frame; 13, top rod; 14, sleeve; 15, first threaded rod; 16, second bearing; 17, connecting rod; 18, ray positioning auxiliary device; 19, first threaded groove; 20, slide groove; 21, second gear; 22, first bearing; 23, first gear; 24, second threaded rod; 25, second threaded groove; 26, spring. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] See also Figures 1 to 4In an embodiment of the utility model, a device for detecting the thickness of a building concrete floor slab includes a bottom plate 1, a bottom frame 12 is fixedly connected to the upper surface of the bottom plate 1, two first bearings 22 are fixedly inlaid on the inner side wall of the bottom frame 12, the inner rings of the two first bearings 22 are commonly fixedly connected to a connecting rod 17, the outer surface of the connecting rod 17 is sleeved with a first gear 23, the upper surface of the bottom frame 12 is fixedly connected to a support frame 4, the inner bottom wall of the support frame 4 is fixedly inlaid with a second bearing 16, the inner ring of the second bearing 16 is fixedly connected to a first threaded rod 15, the first threaded rod The bottom end of 15 is fixedly connected with the second gear 21, the first gear 23 is meshed with the second gear 21, the interior of the support frame 4 is sleeved with a lifting column 3, the interior of the lifting column 3 is provided with a first threaded groove 19, the first threaded rod 15 is threadedly connected with the first threaded groove 19, the top of the lifting column 3 is installed with a top plate 2 by bolts, the upper surface of the top plate 2 is placed with a detection instrument 8, and the first threaded rod 15 provided in the device is rotated, so that the lifting column 3 can be extended from the support frame 4, and the detection instrument 8 installed on the top of the device is pushed to the bottom surface of the floor.

[0023] A second threaded groove 25 is provided on the upper surface of the top plate 2, and a mounting plate 9 is fixedly connected to the bottom surface of the detection instrument 8, and a second threaded rod 24 is fixedly connected to the bottom surface of the mounting plate 9. The second threaded groove 25 is threadedly connected to the second threaded rod 24, which can facilitate the replacement of instruments required for detection. A plurality of slide grooves 20 are provided on the inner wall of the support frame 4, and a plurality of sliders 10 are fixedly connected to the outer surface of the lifting column 3, and each slide groove 20 is adapted to the slider 10. A self-locking device 5 is provided at the left end of one of the connecting rods 17, and a rotating disk 6 is fixedly connected to the left end of the self-locking device 5. The self-locking device 5 can be used to fix the first bearing 22 in the device, thereby ensuring that the device will not slip during use.

[0024] A plurality of radiation positioning auxiliary devices 18 are fixedly connected to the upper surface of the top plate 2, a plurality of sleeves 14 are fixedly connected to the upper surface of the top plate 2, a spring 26 is fixedly connected to the interior of each sleeve 14, a top end of each spring 26 is fixedly connected to a push rod 13, so that there will not be a large squeeze between the detection instrument 8 in the device and the wall, a push frame 11 is fixedly connected to the right side surface of the bottom plate 1, and a plurality of moving wheels 7 are fixedly connected to the bottom surface of the bottom plate 1, so as to facilitate the movement of the device.

[0025] The working principle of the utility model is: when using the device for detecting the thickness of a building concrete floor slab, first, the staff installs the detection instrument 8 used in the device on the upper surface of the top plate 2 with the cooperation of the mounting plate 9, the second threaded rod 24 and the second threaded groove 25, and then moves the device to a suitable position, and adjusts its position through multiple radiation positioning auxiliary devices 18 installed on the top of the device. After the adjustment is completed, the civil air defense staff rotates the rotating disk 6, and with the cooperation of the first gear 23 and the second gear 21 provided in the device, it can drive the first threaded rod 15 provided in the device to rotate, so that the lifting column 3 can be extended from the support frame 4, and the detection instrument 8 installed on the top of the device can be in contact with the bottom surface of the floor slab, and finally the staff uses an auxiliary measuring instrument on the upper layer to detect the thickness of the floor slab.

[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for detecting the thickness of a building concrete floor, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected to a bottom frame (12), the inner side wall of the bottom frame (12) is fixedly inlaid with two first bearings (22), the inner rings of the two first bearings (22) are commonly fixedly connected to a connecting rod (17), the outer surface of the connecting rod (17) is sleeved with a first gear (23), the upper surface of the bottom frame (12) is fixedly connected to a support frame (4), the inner bottom wall of the support frame (4) is fixedly inlaid with a second bearing (16), the inner ring of the second bearing (16) is fixedly connected to a first A threaded rod (15), the bottom end of the first threaded rod (15) is fixedly connected to a second gear (21), the first gear (23) is meshed with the second gear (21), a lifting column (3) is sleeved inside the support frame (4), a first thread groove (19) is provided inside the lifting column (3), the first threaded rod (15) is threadedly connected to the first thread groove (19), a top plate (2) is installed at the top end of the lifting column (3) by bolts, and a detection instrument (8) is placed on the upper surface of the top plate (2).

2. A building concrete floor thickness detection device according to claim 1, characterized in that: A second threaded groove (25) is provided on the upper surface of the top plate (2); a mounting plate (9) is fixedly connected to the bottom surface of the detection instrument (8); a second threaded rod (24) is fixedly connected to the bottom surface of the mounting plate (9); and the second threaded groove (25) is threadedly connected to the second threaded rod (24).

3. A building concrete floor thickness detection device according to claim 1, characterized in that: The inner wall of the support frame (4) is provided with a plurality of slide grooves (20), the outer surface of the lifting column (3) is fixedly connected with a plurality of sliding blocks (10), and each of the slide grooves (20) is adapted to the sliding block (10).

4. A building concrete floor thickness detection device according to claim 1, characterized in that: A self-locking device (5) is provided at the left end of one of the connecting rods (17), and a rotating disk (6) is fixedly connected to the left end of the self-locking device (5).

5. A building concrete floor thickness detection device according to claim 1, characterized in that: A plurality of ray positioning auxiliary devices (18) are fixedly connected to the upper surface of the top plate (2), and a plurality of sleeves (14) are fixedly connected to the upper surface of the top plate (2).

6. A building concrete floor thickness detection device according to claim 5, characterized in that: The interior of each sleeve (14) is fixedly connected to a spring (26), and the top end of each spring (26) is fixedly connected to a push rod (13).

7. A building concrete floor thickness detection device according to claim 1, characterized in that: The right side surface of the base plate (1) is fixedly connected to a push frame (11), and the bottom surface of the base plate (1) is fixedly connected to a plurality of moving wheels (7).

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