Light steel keel static load testing device

Abstract

The utility model discloses a light steel joist static load test device, and belongs to the technical field of joist static load tests. Comprising a mounting frame used for bearing a light steel keel, a measuring mechanism arranged on the mounting frame and used for measuring the maximum residual deformation quantity of a gypsum board, a fixing mechanism arranged on the mounting frame and used for fixing the light steel keel, and a driving mechanism arranged on the mounting frame and used for driving the fixing mechanism to work. Wherein the driving mechanism comprises a motor, and the motor is mounted on the mounting frame. According to the utility model, the curved surface of the deformed gypsum board can be accurately measured to obtain the deformation of the gypsum board, so that the measurement work of the keel static load test can be quickly completed.

Description

Technical Field

[0001] The utility model relates to the technical field of keel static load test, in particular to a light steel keel static load testing device. Background Art

[0002] Light steel keel is a new type of building material. With the development of China's modernization drive, light steel keels are widely used in hotels, airport terminals, bus stations, railway stations, amusement parks, shopping malls, factories, office buildings, renovation of old buildings, interior decoration settings, ceilings and other places. Light steel (baked paint) keel ceilings have the effects of light weight, high strength, suitability for waterproofing, earthquake resistance, dust prevention, sound insulation, sound absorption, constant temperature, etc., and also have the advantages of short construction period and simple construction.

[0003] In the static load test, it is necessary to measure the maximum residual deformation of the gypsum board surface. However, for the curved surface formed after deformation, multiple measurements are required to improve the accuracy of the data, and the operation is rather cumbersome. Moreover, when conducting static load tests on different types of keels, different mounting frames need to be built. Therefore, a light steel keel static load testing device is needed to meet people's requirements. Summary of the Utility Model

[0004] Aiming at the above-mentioned technical deficiencies, the purpose of the utility model is to provide a light steel keel static load testing device, which can accurately measure the curved surface of the deformed gypsum board, obtain the deformation amount of the gypsum board, and thus can quickly complete the measurement work of the keel static load test.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A light steel keel static load testing device, comprising:

[0007] A mounting frame for carrying the light steel keel;

[0008] A measuring mechanism arranged on the mounting frame for measuring the maximum residual deformation amount of the gypsum board;

[0009] A fixing mechanism arranged on the mounting frame for fixing the light steel keel;

[0010] A driving mechanism arranged on the mounting frame for driving the fixing mechanism to work;

[0011] Among them, the driving mechanism includes a motor, and the motor is installed on the mounting frame.

[0012] Preferably, the measuring mechanism includes:

[0013] A translation component arranged on the mounting frame for horizontally moving a scale rod. The translation component includes a horizontal rod and a horizontal guide groove formed on the mounting frame, and both ends of the horizontal rod are slidably installed in the horizontal guide groove;

[0014] Among them, the translation components are divided into two groups, upper and lower, and are respectively located on the top surface and the bottom surface of the light steel keel.

[0015] Preferably, the horizontal rod includes:

[0016] A connecting piece, arranged on the horizontal rod for horizontal sliding on the horizontal rod, and the connecting piece is slidably installed in a connecting piece chute opened on the horizontal rod;

[0017] A scale rod, arranged on the connecting piece for measuring the maximum residual deformation of the gypsum board surface, and the scale rod moves vertically on the connecting piece.

[0018] Preferably, the connecting piece includes:

[0019] A reading window, arranged on the connecting piece for reading the scale on the scale rod;

[0020] A fixing bolt, arranged on the connecting piece for locking the scale rod;

[0021] Among them, the fixing bolt is installed on one side of the connecting piece, and one end of the fixing bolt is in contact with the scale rod.

[0022] Preferably, the measuring mechanism further includes:

[0023] A jacking component, arranged on the connecting piece at the bottom of the light steel keel for making the scale rod at the bottom of the light steel keel contact with the bottom surface of the gypsum board;

[0024] Among them, the scale rod at the bottom of the light steel keel is in the opposite direction to the scale rod at the top of the light steel keel.

[0025] Preferably, the jacking component includes;

[0026] A connecting plate, arranged on the connecting piece at the bottom of the light steel keel;

[0027] A limiting rod, arranged on the connecting plate;

[0028] A limiting rod hole, arranged on the scale rod at the bottom of the light steel keel, and the limiting rod and the limiting rod hole are used for guiding the scale rod at the bottom of the light steel keel;

[0029] A spring, arranged on the limiting rod for jacking the scale rod at the bottom of the light steel keel to make the top of the scale rod contact with the bottom surface of the gypsum board;

[0030] Among them, the top of the spring is in contact with the scale rod, and the bottom of the spring is in contact with the connecting plate.

[0031] Preferably, the fixing mechanism includes:

[0032] A keel fixing table, arranged on the mounting frame for placing the light steel keel;

[0033] The clamping assembly is arranged on the keel fixing table for fixing the light steel keel. The clamping assembly includes a clamping plate and a clamping plate chute. The clamping plate is slidably installed in the clamping plate chute opened on the keel fixing table, and a screw hole is opened at the bottom of the clamping plate;

[0034] The thread meshing assembly is arranged at the bottom of the keel fixing table. The thread meshing assembly includes a screw rod, and the screw rod is rotatably installed in the screw hole;

[0035] Wherein, the screw rod is installed at the output end of the motor, and the screw rod is in thread meshing with the screw hole.

[0036] The beneficial effects of the present utility model are as follows:

[0037] (1) In the present utility model, through the horizontal rod and the connecting piece, the position of the scale rod is adjusted on the horizontal plane, and the scale on the scale rod is read from the reading window on the connecting piece, so that the scale rod can measure the deformation amounts at various positions of the deformed gypsum board curved surface, avoiding the operation of multiple measurements required due to the difficulty in measuring the deformed gypsum board curved surface to improve the data accuracy, and making the measurement work of the keel static load test more convenient.

[0038] (2) In the present utility model, the cross keel is clamped and fixed on the keel fixing table by driving the clamping plate to move by the motor, so that keels of different models and sizes can be fixed on the mounting rack, facilitating the static load test of various models and sizes of light steel keels. Description of the Drawings

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0040] Figure 1 It is a schematic structural diagram of a light steel keel static load testing device provided by an embodiment of the present utility model;

[0041] Figure 2 It is a schematic structural diagram of the mounting rack and fixing mechanism and other structures of a light steel keel static load testing device provided by an embodiment of the present utility model;

[0042] Figure 3 It is a schematic structural diagram of the horizontal rod and connecting piece and other structures of a light steel keel static load testing device provided by an embodiment of the present utility model;

[0043] Figure 4 It is a schematic cross-sectional structural diagram of the horizontal rod and connecting piece and other structures of a light steel keel static load testing device provided by an embodiment of the present utility model.

[0044] Description of Reference Numerals

[0045] 1. Mounting bracket; 2. Measuring mechanism; 3. Fixing mechanism; 4. Motor; 201. Horizontal rod; 202. Horizontal guiding groove; 203. Connecting piece; 204. Connecting piece sliding groove; 205. Measuring rod; 206. Reading window; 207. Fixing bolt; 208. Connecting plate; 209. Limiting rod; 210. Limiting rod hole; 211. Spring; 301. Keel fixing table; 302. Clamping plate; 303. Clamping plate sliding groove; 304. Screw rod; 305. Screw rod hole. Detailed Description of the Invention

[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0047] Embodiment 1:

[0048] As Figures 1 to 4 shown, the present invention provides a static load testing device for light steel keels, including a mounting bracket 1 for carrying light steel keels. In order to measure the deformed gypsum board surface, a measuring mechanism 2 for measuring the maximum residual deformation amount of the gypsum board is arranged on the mounting bracket 1.

[0049] Among them, the measuring mechanism 2 includes: a translation assembly arranged on the mounting bracket 1 for horizontally moving the measuring rod 205. The translation assembly is divided into upper and lower groups, which are respectively located on the top and bottom surfaces of the light steel keel. The translation assembly includes a horizontal rod 201 and a horizontal guiding groove 202 opened on the mounting bracket 1. Both ends of the horizontal rod 201 are slidably installed in the horizontal guiding groove 202; a connecting piece 203 for horizontally sliding on the horizontal rod 201 is arranged on the horizontal rod 201. The connecting piece 203 is slidably installed in a connecting piece sliding groove 204 opened on the horizontal rod 201. A reading window 206 for reading the scale on the measuring rod 205 is arranged on the connecting piece 203. A fixing bolt 207 for locking the measuring rod 205 is arranged on the connecting piece 203. The fixing bolt 207 is installed on one side of the connecting piece 203, and one end of the fixing bolt 207 is in contact with the measuring rod 205; a measuring rod 205 for measuring the maximum residual deformation amount of the gypsum board surface is arranged on the connecting piece 203. The measuring rod 205 moves vertically on the connecting piece 203. The measuring rod 205 at the bottom of the light steel keel is in the opposite direction to the measuring rod 205 at the top of the light steel keel.

[0050] Embodiment 2:

[0051] On the basis of Embodiment 1, in order to enable the scale rod 205 at the bottom to contact the bottom gypsum board, the measuring mechanism 2 further includes a jacking assembly arranged on the connecting piece 203 at the bottom of the light steel keel for making the scale rod 205 at the bottom of the light steel keel contact the bottom surface of the gypsum board;

[0052] The jacking assembly includes a connecting plate 208 arranged on the connecting piece 203 at the bottom of the light steel keel, a limiting rod 209 arranged on the connecting plate 208, and a limiting rod hole 210 arranged on the scale rod 205 at the bottom of the light steel keel. The limiting rod 209 and the limiting rod hole 210 are used to guide the scale rod 205 at the bottom of the light steel keel. A spring 211 for jacking the scale rod 205 at the bottom of the light steel keel is arranged on the limiting rod 209, so that the top of the scale rod 205 contacts the bottom surface of the gypsum board. The top of the spring 211 contacts the scale rod 205, and the bottom of the spring 211 contacts the connecting plate 208.

[0053] Embodiment 3:

[0054] On the basis of Embodiment 1, in order to be able to fix the light steel keel on the mounting rack 1, a fixing mechanism 3 is arranged on the mounting rack 1 to fix the light steel keel, and a motor 4 for driving the fixing mechanism 3 to work is arranged on the mounting rack 1;

[0055] Specifically, the fixing mechanism 3 includes a keel fixing table 301 arranged on the mounting rack 1 for placing the light steel keel, and a clamping assembly for fixing the light steel keel is arranged on the keel fixing table 301;

[0056] Among them, the clamping assembly includes a clamping plate 302 and a clamping plate chute 303. The clamping plate 302 is slidably installed in the clamping plate chute 303. The fixing mechanism 3 further includes a threaded engagement assembly arranged at the bottom of the keel fixing table 301;

[0057] Among them, the threaded engagement assembly includes a screw rod 304. The screw rod 304 is rotatably installed in a screw rod hole 305 opened at the bottom of the clamping plate 302. The screw rod 304 is installed at the output end of the motor 4, and the screw rod 304 is in threaded engagement with the screw rod hole 305.

[0058] Working principle: When conducting a static load test on a light steel keel, place the horizontal keel on the keel fixing table 301. Drive the screw rod 304 to rotate through the motor 4. Under the meshing action of the screw hole 305 and the screw rod 304, make the clamping plate 302 move in the clamping plate chute 303 of the keel fixing table 301, so that the clamping plate 302 clamps on the side of the horizontal keel, and fix the horizontal keel on the mounting rack 1. Install the vertical keel into the horizontal keel at a specified spacing of 450 mm, and add a through keel every 1200 mm starting from end A according to the regulations. Install a support clip every 600 mm on the vertical keel, and install a layer of gypsum board with a thickness of 12 mm on each side. It is required that the upper and lower layers of gypsum boards are staggered. The loading point is at 1500 mm from end A on the midline of the gypsum board. Place a backing plate of 350 mm x 350 mm x 15 mm at the loading point, apply a load of 160 N, and keep it for 5 minutes. After unloading for 3 minutes, install the two ends of the horizontal rod 201 into the horizontal guiding groove 202. By sliding the connecting piece 203 on the horizontal rod 201, adjust the position of the scale rod 205. Under the action of gravity, the scale rod 205 at the top of the top gypsum board contacts the top gypsum board. At this time, read the scale on the scale rod 205 above the top gypsum board through the reading window 206 on the connecting piece 203. For the scale rod 205 below the bottom gypsum board, under the action of the spring 211, the top of the scale rod 205 contacts the bottom gypsum board. At this time, read the scale on the scale rod 205 below the bottom gypsum board through the reading window 206 on the connecting piece 203. By reading the scale values at different positions, obtain the maximum residual deformation of the gypsum board surface.

[0059] Obviously, those skilled in the art can make various modifications and variations to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and its equivalent technologies, the present utility model also intends to include these modifications and variations.

Claims

1. A static load test device for light steel keels, characterized in that, Comprising: Mounting frame (1) for carrying light steel keels; Measuring mechanism (2) arranged on the mounting frame (1) for measuring the maximum residual deformation of the gypsum board; Fixing mechanism (3) arranged on the mounting frame (1) for fixing the light steel keel; Driving mechanism arranged on the mounting frame (1) for driving the fixing mechanism (3) to work; Among them, the driving mechanism includes a motor (4), and the motor (4) is installed on the mounting frame (1).

2. The light steel keel static load testing device according to claim 1, characterized in that, The measuring mechanism (2) includes: Translation assembly arranged on the mounting frame (1) for horizontally moving the scale rod (205). The translation assembly includes a horizontal rod (201) and a horizontal guide groove (202) opened on the mounting frame (1). Both ends of the horizontal rod (201) are slidably installed in the horizontal guide groove (202); Among them, the translation assembly is divided into upper and lower groups, which are respectively located on the top surface and the bottom surface of the light steel keel.

3. The light steel keel static load testing device according to claim 2, wherein, The horizontal rod (201) includes: Connecting piece (203) arranged on the horizontal rod (201) for horizontally sliding on the horizontal rod (201). The connecting piece (203) is slidably installed in a connecting piece chute (204) opened on the horizontal rod (201); Scale rod (205) arranged on the connecting piece (203) for measuring the maximum residual deformation of the gypsum board surface. The scale rod (205) moves vertically on the connecting piece (203).

4. The light steel keel static load testing device according to claim 3, characterized in that, The connecting piece (203) includes: Reading window (206) arranged on the connecting piece (203) for reading the scale on the scale rod (205); Fixing bolt (207) arranged on the connecting piece (203) for locking the scale rod (205); Among them, the fixing bolt (207) is installed on one side of the connecting piece (203), and one end of the fixing bolt (207) is in contact with the scale rod (205).

5. The light steel keel static load testing device according to claim 2, characterized in that, The measuring mechanism (2) further includes: Lifting assembly arranged on the connecting piece (203) at the bottom of the light steel keel for making the scale rod (205) at the bottom of the light steel keel contact with the bottom surface of the gypsum board; Among them, the scale rod (205) at the bottom of the light steel keel is in the opposite direction to the scale rod (205) at the top of the light steel keel.

6. The static load testing device for light steel keels according to claim 5, characterized in that, The lifting assembly includes; Connecting plate (208) arranged on the connecting piece (203) at the bottom of the light steel keel; Limit rod (209) arranged on the connecting plate (208); Limit rod hole (210) arranged on the scale rod (205) at the bottom of the light steel keel. The limit rod (209) and the limit rod hole (210) are used for guiding the scale rod (205) at the bottom of the light steel keel; Spring (211) arranged on the limit rod (209) for lifting the scale rod (205) at the bottom of the light steel keel so that the top of the scale rod (205) contacts the bottom surface of the gypsum board; Among them, the top of the spring (211) is in contact with the scale rod (205), and the bottom of the spring (211) is in contact with the connecting plate (208).

7. The light steel keel static load testing device according to claim 1, wherein The fixing mechanism (3) includes: Keel fixing table (301) arranged on the mounting frame (1) for placing the light steel keel; A clamping assembly is arranged on the keel fixing table (301) for fixing light steel keels. The clamping assembly includes a clamping plate (302) and a clamping plate sliding groove (303). The clamping plate (302) is slidably installed in the clamping plate sliding groove (303), and a screw hole (305) is formed at the bottom of the clamping plate (302). A thread meshing assembly is arranged at the bottom of the keel fixing table (301). The thread meshing assembly includes a screw (304), and the screw (304) is rotatably installed in the screw hole (305). Wherein, the screw (304) is installed at the output end of the motor (4), and the screw (304) is in thread meshing with the screw hole (305).

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