Concrete slump cylinder

Abstract

The utility model discloses a concrete slump cylinder which comprises a testing base station, a slump cylinder main body, a leveling base and a horizontal observation assembly, a guide rod is vertically and fixedly arranged on the top surface of the testing base station, a lifting frame is slidably sleeved on the surface of the guide rod, the lifting frame is fixedly arranged at the top end of the slump cylinder main body, the leveling base is fixedly arranged on the bottom surface of the testing base station, and the horizontal observation assembly is arranged on the leveling base. According to the concrete slump cylinder, the concrete slump cylinder is provided with the test base station and the guide rod structure, a plane base plane structure is provided in a complex construction site environment to carry out concrete slump test, lifting guide work of the slump cylinder main body can be carried out along the guide rod, vertical lifting of the slump cylinder can be carried out, and influence on a concrete material cone is avoided; and the lifting state of the concrete slump cylinder can be observed through the horizontal observation assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of slump cones, in particular to a concrete slump cone. Background Art

[0002] The concrete slump test is a method of measuring the fluidity and plasticity of concrete through slump. The concrete slump cone is an important tool for measuring the fluidity of concrete in construction. The cone is a funnel-shaped device placed on a flat surface. The bottom of the cone is closed and has an opening at a certain height. The concrete sample is evenly filled in the slump cone and compacted in layers to ensure the uniformity of the sample. The slump cone is slowly lifted to allow the concrete to flow and the height of the slump is observed. The slump is the distance from the top of the slump cone to the concrete surface, measured in millimeters. However, there are some problems with the traditional slump cone, such as the measurement results are easily interfered by human factors, and the tilting angle to any side during the operator's lifting of the slump cone will cause interference, and the accuracy needs to be improved; in addition, the concrete slump test is generally carried out at the construction site. Due to the complex environment and terrain of the construction site, it is impossible to provide a relatively flat slump surface, and the slump surface is in a non-horizontal state, which will cause adverse interference to the test results.

[0003] In view of this, research and improvement are carried out on the existing problems, and a concrete slump tube is provided to solve the current problems. The purpose is to solve the problems and improve the practical value through this technology. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted by the utility model is: a concrete collapse cylinder, comprising: a test base, a collapse cylinder main body, a leveling base and a horizontal observation assembly, the top surface of the test base is vertically fixedly installed with a guide rod, the surface of the guide rod is slidably sleeved with a lifting frame, the lifting frame is fixedly installed on the top of the collapse cylinder main body, the leveling base is fixedly installed on the bottom surface of the test base, the leveling base comprises a fixed bearing seat, a movable bearing plate and a top bearing plate arranged in sequence from bottom to top, the top surfaces of the fixed bearing seat and the movable bearing plate are fixedly installed with a sliding seat, the bottom surfaces of the movable bearing plate and the top bearing plate are fixedly installed with guide rails and worm gears, the top surfaces of the fixed bearing seat and the movable bearing plate are rotatably installed with a worm shaft, and the horizontal observation assembly is fixedly installed on the surface of the lifting frame.

[0006] In a preferred example, the utility model can be further configured as follows: a locking tooth groove is provided on the surface of the guide rod, a spring pin matched with the locking tooth groove is provided on the inner side of the lifting frame, the locking tooth groove includes a positioning tooth groove and a separation tooth groove, the positioning tooth groove is located at the relative height of the lifting frame when the collapse cone body is in contact with the surface of the test base, and the separation tooth groove is located on the surface of the guide rod at twice the height of the positioning tooth groove.

[0007] In a preferred example, the utility model can be further configured as follows: the arrangement directions of the fixed bearing seat and the sliding seat on the top surface of the moving bearing plate are perpendicular to each other, the two worm shafts are arranged perpendicular to each other and are respectively arranged parallel to the two sliding seats, and the sliding seats are symmetrically arranged on both sides of the worm shaft.

[0008] In a preferred example, the utility model can be further configured as follows: the surfaces of the guide rail and the slide seat are slidably fitted, the guide rail and the slide seat are both arc-shaped, and the central axes of the guide rail, the slide seat and the worm gear teeth coincide.

[0009] In a preferred example, the utility model can be further configured as follows: the top surfaces of the fixed bearing seat and the moving bearing plate are both provided with bearing seats for supporting the worm shaft, the worm gear teeth are fan-shaped tooth surface structures, and the worm gear teeth are in driving engagement with the surface of the worm shaft.

[0010] In a preferred example, the utility model can be further configured as follows: the horizontal observation component includes a positioning seat, a transparent cover and a mercury ball, the positioning seat is a disc structure with a marking line on the surface, and the mercury ball is located inside the positioning seat and the transparent cover.

[0011] In a preferred example, the utility model can be further configured as follows: the transparent cover is made of a transparent acrylic material structure and is fixedly connected to the surface of the positioning seat, and the interior of the positioning seat and the transparent cover is in a vacuum state.

[0012] The beneficial effects achieved by the utility model are:

[0013] 1. In the utility model, the concrete slump cylinder is provided with a test base and a guide rod structure, which provides a plane base structure for concrete slump test in a complex construction site environment. The lifting and lowering of the slump cylinder body can be guided along the guide rod, and the slump cylinder can be vertically lifted to avoid affecting the concrete cone. The lifting state of the concrete slump cylinder can be observed through the horizontal observation component.

[0014] 2. In the utility model, a new collapse test platform structure is provided, and the deflection movement of the moving support plate and the top support plate is utilized to adjust the horizontality of the test base surface. A dual-axis adjustment is adopted to adapt to various uneven base surfaces, so as to maintain the accuracy of the concrete collapse test. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the exploded structure of a leveling base according to an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the upper and lower structures of a moving support plate according to an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of a horizontal observation component according to an embodiment of the utility model.

[0019] Reference numerals:

[0020] 100, test base; 110, guide rod; 120, lifting frame; 111, locking tooth groove;

[0021] 200, collapse cone body;

[0022] 300, leveling base; 310, fixed bearing seat; 320, moving bearing plate; 330, top bearing plate; 340, guide rail; 350, slide seat; 360, worm shaft; 370, worm gear;

[0023] 400, horizontal observation assembly; 410, positioning seat; 420, transparent cover; 430, mercury ball; 411, identification line. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] A concrete slump cylinder provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0026] Combination Figure 1-4As shown, the utility model provides a concrete collapse cylinder, comprising: a test base 100, a collapse cylinder body 200, a leveling base 300 and a horizontal observation assembly 400, a guide rod 110 is vertically fixedly installed on the top surface of the test base 100, a lifting frame 120 is slidably sleeved on the surface of the guide rod 110, and the lifting frame 120 is fixedly installed on the top of the collapse cylinder body 200, and the leveling base 300 is fixedly installed on the bottom surface of the test base 100. 00 includes a fixed bearing seat 310, a moving bearing plate 320 and a top bearing plate 330 which are arranged in sequence from bottom to top, the top surfaces of the fixed bearing seat 310 and the moving bearing plate 320 are fixedly installed with a sliding seat 350, the bottom surfaces of the moving bearing plate 320 and the top bearing plate 330 are fixedly installed with a guide rail 340 and a worm gear 370, the top surfaces of the fixed bearing seat 310 and the moving bearing plate 320 are rotatably installed with a worm shaft 360, and the horizontal observation component 400 is fixedly installed on the surface of the lifting frame 120.

[0027] In this embodiment, a locking tooth groove is provided on the surface of the guide rod 110, and a spring pin matched with the locking tooth groove is provided on the inner side of the lifting frame 120. The locking tooth groove includes a positioning tooth groove and a separation tooth groove. The positioning tooth groove is located at the relative height of the lifting frame 120 when the collapse cone body 200 is in contact with the surface of the test base 100, and the separation tooth groove is located on the surface of the guide rod 110 at twice the height of the positioning tooth groove.

[0028] Specifically, the positioning tooth grooves and the separation tooth grooves are used to position and lock the collapse cone body 200 and the test base 100 in the surface-attached and separation states.

[0029] In this embodiment, the arrangement directions of the fixed bearing seat 310 and the sliding seat 350 on the top surface of the moving bearing plate 320 are perpendicular to each other, the two worm shafts 360 are arranged perpendicular to each other and are arranged parallel to the two sliding seats 350 respectively, and the sliding seats 350 are arranged symmetrically on both sides of the worm shaft 360.

[0030] In this embodiment, the surfaces of the guide rail 340 and the slide seat 350 are slidably fitted, the guide rail 340 and the slide seat 350 are both arc-shaped, and the central axes of the guide rail 340, the slide seat 350 and the worm gear 370 coincide with each other.

[0031] Specifically, the horizontality of the surface of the test platform 100 is adjusted by utilizing the deflection motion of the moving support plate 320 and the top support plate 330 , and dual-axis adjustment is adopted to adapt to various non-flat base surfaces.

[0032] In this embodiment, the top surfaces of the fixed bearing seat 310 and the moving bearing plate 320 are both provided with bearing seats for supporting the worm shaft 360 , and the worm gear teeth 370 are fan-shaped tooth surface structures, and the worm gear teeth 370 are in driving engagement with the surface of the worm shaft 360 .

[0033] In this embodiment, the horizontal observation assembly 400 includes a positioning seat 410 , a transparent cover 420 and a mercury ball 430 . The positioning seat 410 is a disc structure with a marking line 411 on the surface. The mercury ball 430 is located inside the positioning seat 410 and the transparent cover 420 .

[0034] Furthermore, the transparent cover 420 is made of a transparent acrylic material structure and is fixedly connected to the surface of the positioning seat 410 . The interior of the positioning seat 410 and the transparent cover 420 is in a vacuum state.

[0035] Specifically, whether the mercury ball 430 is located at the identification line 411 is used to sense whether the lifting frame 120 and the test base 100 are in a horizontal state. The internal vacuum state is conducive to the long-term preservation of the mercury ball 430 without moisture interference.

[0036] The working principle and use process of this utility model:

[0037] During the concrete collapse test, the device is placed on the bottom surface, and the position of the mercury ball 430 inside the horizontal observation assembly 400 is observed to determine whether the collapse cone body 200 is in a horizontal state. The horizontal state of the collapse cone body 200 is adjusted by rotating the two worm shafts 360 to adjust the inclination angles of the moving support plate 320 and the top support plate 330. The worm shaft 360 rotates and engages with the bottom surface of the worm gear 370 to realize the tilting movement of the moving support plate 320 and the top support plate 330 until the mercury ball 430 is located in the center area of ​​the circle on the surface of the positioning seat 410.

[0038] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A concrete slump cylinder, characterized in that: include: A test base (100), a collapse cone body (200), a leveling base (300) and a horizontal observation assembly (400), wherein a guide rod (110) is vertically fixedly installed on the top surface of the test base (100), a lifting frame (120) is slidably sleeved on the surface of the guide rod (110), and the lifting frame (120) is fixedly installed on the top of the collapse cone body (200), and the leveling base (300) is fixedly installed on the bottom surface of the test base (100), and the leveling base (300) comprises: A fixed bearing seat (310), a moving bearing plate (320) and a top bearing plate (330), the top surfaces of the fixed bearing seat (310) and the moving bearing plate (320) are fixedly mounted with a sliding seat (350), the bottom surfaces of the moving bearing plate (320) and the top bearing plate (330) are fixedly mounted with a guide rail (340) and a worm gear (370), the top surfaces of the fixed bearing seat (310) and the moving bearing plate (320) are rotatably mounted with a worm shaft (360), and the horizontal observation assembly (400) is fixedly mounted on the surface of the lifting frame (120).

2. A concrete slump cylinder according to claim 1, characterized in that: The surface of the guide rod (110) is provided with a locking tooth groove, and the inner side of the lifting frame (120) is provided with a spring pin matched with the locking tooth groove. The locking tooth groove includes a positioning tooth groove and a separation tooth groove. The positioning tooth groove is located at the relative height of the lifting frame (120) when the collapse cone body (200) and the surface of the test base (100) are in contact, and the separation tooth groove is located on the surface of the guide rod (110) at twice the height of the positioning tooth groove.

3. A concrete slump cylinder according to claim 1, characterized in that: The arrangement directions of the fixed bearing seat (310) and the sliding seat (350) on the top surface of the moving bearing plate (320) are perpendicular to each other, the two worm shafts (360) are arranged perpendicular to each other and are respectively arranged parallel to the two sliding seats (350), and the sliding seats (350) are symmetrically arranged on both sides of the worm shaft (360).

4. A concrete slump cylinder according to claim 1, characterized in that: The surfaces of the guide rail (340) and the slide seat (350) are slidably fitted, the guide rail (340) and the slide seat (350) are both arc-shaped, and the central axes of the guide rail (340), the slide seat (350) and the worm gear (370) coincide.

5. A concrete slump cylinder according to claim 1, characterized in that: The top surfaces of the fixed bearing seat (310) and the moving bearing plate (320) are both provided with bearing seats for supporting the worm shaft (360), and the worm gear teeth (370) are fan-shaped tooth surface structures, and the worm gear teeth (370) are in driving engagement with the surface of the worm shaft (360).

6. A concrete slump cylinder according to claim 1, characterized in that: The horizontal observation assembly (400) comprises a positioning seat (410), a transparent cover (420) and a mercury ball (430); the positioning seat (410) is a disc structure and has a marking line (411) on its surface; the mercury ball (430) is located inside the positioning seat (410) and the transparent cover (420).

7. A concrete slump cylinder according to claim 6, characterized in that: The transparent cover (420) is made of a transparent acrylic material structure and is fixedly connected to the surface of the positioning seat (410). The interior of the positioning seat (410) and the transparent cover (420) is in a vacuum state.

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