Concrete slump detection device for bridge construction

Abstract

The utility model relates to the technical field of concrete slump measuring equipment, and discloses a concrete slump detecting device for bridge construction, which comprises a slump cone and a blanking hopper arranged on the slump cone, two guide parts are arranged on the bottom plate on the two symmetrical sides of the slump cone in a sliding manner, inclined slopes are arranged on the opposite sides of the two guide parts, and the slopes obliquely extend in the axis direction of the slump cone from bottom to top; sliding blocks are arranged on two sides of the slump cone, and the sliding blocks are in contact with the slope surface in an initial state; according to the utility model, a stable guiding effect can be provided when the slump cone is lifted, the vertical movement of the slump cone is ensured, and the interference of the guiding mechanism on the concrete slump process is avoided, so that the reliability and the precision of detection are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete slump measuring equipment technical field especially, it relates to a concrete slump detection device for bridge construction. BACKGROUND

[0002] In the bridge construction process, the concrete slump is one of important indexes for measuring the working performance of concrete, and directly influences the pouring quality and construction efficiency of concrete. The traditional slump detection method usually adopts the slump cone to test, and needs to fill the concrete in the slump cone during operation, then vertically lifts, makes its free slump, and then measures the slump height to evaluate the fluidity of concrete. However, the existing slump detection device has the following problems when lifting the slump cone:

[0003] Lack of guiding mechanism, the slump cone is easy to incline or shake during lifting, which leads to uneven concrete slump, and affects the accuracy of measurement results. If the slump cone is not lifted vertically, the concrete may accumulate on one side, causing the slump data deviation, and then misleading the construction mix ratio adjustment.

[0004] Although some detection devices in the prior art are provided with guiding mechanisms, the guiding mechanisms interfere with the slump of concrete, for example, some improved schemes try to add guiding structures to stabilize the slump cone, but the guiding mechanism is designed to be close to the slump cone, which may hinder the natural slump of concrete when the slump cone is lifted, leading to smaller measurement value, and unable to truly reflect the fluidity of concrete.

[0005] Therefore, there is an urgent need for a slump detection device that can provide stable guiding effect when the slump cone is lifted, ensure its vertical movement, and avoid interference of the guiding mechanism with the concrete slump process, thereby improving the reliability and accuracy of detection. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a concrete slump detection device for bridge construction, which can provide stable guiding effect when the slump cone is lifted, ensure its vertical movement, and avoid interference of the guiding mechanism with the concrete slump process, thereby improving the reliability and accuracy of detection.

[0007] The utility model adopts the following technical solutions:

[0008] A concrete slump detection device for bridge construction, comprising a slump cone and a material drop hopper arranged on the slump cone, the slump cone is movably arranged on a bottom plate, two guiding portions are slidably arranged on the bottom plate on both sides of the slump cone, the opposite sides of the two guiding portions are both arranged as inclined slopes, and the slopes extend obliquely from bottom to top to the axis direction of the slump cone; the slump cone is provided with sliding blocks on both sides, and the sliding blocks are in contact with the slopes in the initial state.

[0009] Preferably, one end of the two guiding parts away from each other is provided with a guiding rod, a guiding hole is formed on the side wall of the bottom plate, and the guiding rod is movably arranged in the guiding hole.

[0010] Preferably, a positioning groove is formed on the guiding rod along the length direction of the guiding rod, a one-way positioning rack is arranged in the positioning groove, a positioning tooth plate is elastically arranged on one side of the bottom plate, the positioning tooth plate is engaged in the tooth groove of the one-way positioning rack, in the working state, the two guiding rods can only move away from each other under the limitation of the one-way positioning rack and the positioning tooth, a limiting groove with a T-shaped cross section is formed on the outer side of the slope, and the slider with a T-shaped cross section is slidably arranged in the limiting groove.

[0011] Preferably, a first ball is movably arranged at the bottom of the guiding part.

[0012] Preferably, a second ball is movably arranged on the slider.

[0013] Preferably, a scale line is arranged on one of the guiding parts.

[0014] Preferably, a measuring rod is slidably arranged on the guiding part provided with the scale line.

[0015] Preferably, a sliding sleeve is slidably arranged on the guiding part, a fastening bolt is threadedly arranged on the sliding sleeve, and the measuring rod is arranged on the sliding sleeve.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: two guiding parts are slidably arranged on the bottom plate, and the opposite sides of the two guiding parts are all provided with slope surfaces, so that the lifting of the slump cone can be limited by the two guiding parts, the two guiding parts can be moved outward along with the lifting of the slump cone, the hindering of the slump of the concrete caused by the fixed guiding part is reduced, the measurement error is reduced, and the measurement accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the embodiment of the application;

[0018] Figure 2 It is a front view of the guiding part of the embodiment of the application;

[0019] Figure 3 It is a top view of the guiding part of the embodiment of the application;

[0020] Figure 4 It is Figure 1 It is an enlarged view of A in the middle. DETAILED DESCRIPTION

[0021] The utility model will make a clear and complete description below combining with the drawings and examples:

[0022] As Figures 1 to 4 The utility model discloses a concrete slump detection device for bridge construction, including slump cone 1 and the material drop funnel 2 of setting on slump cone 1, for the supplementary addition concrete to slump cone 1, slump cone 1 swing setting is at bottom plate 3, and the top of bottom plate 3 is smooth and even plane, and the symmetry both sides of slump cone 1 are slidably provided with two guide portions 4 on bottom plate 3, and the opposite side of two guide portions 4 is all set as inclined slope, and the slope extends to the axis direction of slump cone 1 from below to above, and the both sides of slump cone 1 are provided with sliding block 5, and the initial state of sliding block 5 is contacted with slope, and the side of sliding block 5 and the slope contact is set as the inclined plane parallel with slope, when working, along with the promotion of slump cone 1, will promote both sides guide portion 4 and move to the outside along bottom plate 3, namely realizes the guidance to slump cone 1, and also reduces the obstruction caused by the natural slump of concrete, promotes the accuracy of measurement.

[0023] Further, the end of the two guide portions 4 away from each other is provided with a guide rod 6, the bottom plate 3 is a frame structure with an open top end, a guide hole is formed in the side wall thereof, and the guide rod 6 is movably arranged in the guide hole. In this way, the guide rod 6 can provide support for the guide portion 4 without damaging the surface structure of the bottom plate 3, thereby providing a flat support surface for the slump of concrete and ensuring the accuracy of measurement. In addition, a positioning groove 7 is formed in the guide rod 6 along the length direction thereof, a one-way positioning rack 8 is arranged in the positioning groove 7, the teeth of the one-way positioning rack 8 are inclined in a single direction, and the one-way positioning rack 8 can move in a single direction. A positioning tooth plate 9 is elastically arranged on one side of the bottom plate 3 by a torsion spring, the positioning tooth plate 9 is engaged with the tooth groove of the one-way positioning rack 8. In the working state, the two guide rods 6 can only move away from each other under the limitation of the one-way positioning rack 8 and the positioning tooth, when it is necessary to reset and limit the slump cone 1, the positioning tooth plate 9 can be lifted to be out of contact with the tooth groove of the one-way positioning rack 8, and the guide rod 6 is pushed to move the guide portion 4 to the middle of the bottom plate 3. The outer side of the slope forms a limiting groove 10 with a T-shaped cross section, and the sliding block 5 has a T-shaped cross section and is slidably arranged in the limiting groove 10.

[0024] The arrangement of the one-way positioning rack 8 and the positioning toothed plate 9 and the arrangement of the T-shaped limiting groove 10 and the T-shaped slider 5 in the embodiment can prevent the slump cone 1 from deviating to one side of the guide part 4 when being lifted, so that the slump of the concrete is affected; when the slump cone 1 deviates to one side of the guide part 4, the other guide part 4 is pulled to move in the direction of deviation of the slump cone 1 under the limiting of the T-shaped limiting groove 10 and the T-shaped slider 5; since the one-way positioning rack 8 can only move to the outside of the bottom plate 3 of the guide rod 6, the slump cone 1 is limited at this time, so that the deviation phenomenon is prevented, the slump cone 1 is stably lifted along the vertical direction, and the measurement accuracy is ensured. In the embodiment, the second ball 11 is movably arranged on the slider 5, so as to reduce the friction between the slider 5 and the slope surface when the slump cone 1 is lifted.

[0025] Further, the first ball 12 is movably arranged at the bottom of the guide part 4, and the resistance between the guide part 4 and the bottom plate 3 in the moving process can be reduced through the movable contact of the first ball 12 and the bottom plate 3. In addition, the guide part 4 provided with the scale line can provide a reference for the height measurement of the collapsed concrete, and the practicability of the utility model is enhanced. In addition, the measuring rod 13 is slidably arranged on the guide part 4 provided with the scale line, and the measuring rod 13 can be matched with the scale line arranged on the guide part 4 through the sliding of the measuring rod 13 on the guide part 4, so as to further improve the accuracy of the concrete slump data. Specifically, the sleeve 14 is slidably arranged on the guide part 4, the T-shaped block 15 is arranged in the sleeve 14, the T-shaped groove is arranged on the guide part 4, the T-shaped block 15 is slidably arranged in the T-shaped groove, the fastening bolt 16 is threadedly arranged on the sleeve 14 below the T-shaped block 15, so as to position the adjusted measuring rod 13; and the measuring rod 13 is arranged on the sleeve 14.

[0026] In use, the slump cone 1 is first placed between the two guide parts 4, then the concrete to be measured is loaded into the slump cone 1 through the material falling hopper 2, the concrete is vibrated and stirred uniformly after being filled, the material falling hopper 2 is removed, and the top end of the slump cone 1 is scraped flat; finally, the guide part 4 is moved outward when the slump cone 1 is lifted and moved upward, so as to provide space for the collapse of the concrete; after the slump cone 1 is completely removed, the measuring rod 13 is slid to the top of the collapsed concrete to record data, and the slump is calculated by combining the initial data, i.e. the height of the slump cone 1.

Claims

1. A concrete slump detection device for bridge construction, comprising a slump cone and a material falling hopper arranged on the slump cone, characterized in that: The collapsible slump cone is movably arranged on the base plate, two guide portions are slidably arranged on the base plate on the two symmetrical sides of the slump cone, the opposite sides of the two guide portions are provided with inclined slopes, and the slopes extend in the direction of the axis of the slump cone from bottom to top.

2. The concrete slump detection device for bridge construction according to claim 1, characterized in that: The two guide portions are provided with guide rods at the ends away from each other, guide holes are formed in the side walls of the base plate, and the guide rods are movably arranged in the guide holes.

3. The concrete slump detection device for bridge construction of claim 2, wherein: A positioning groove is formed in the guide rod along the length direction of the guide rod, a one-way positioning rack is arranged in the positioning groove, a positioning tooth plate is elastically arranged on one side of the base plate, and the positioning tooth plate is engaged in the tooth groove of the one-way positioning rack.

4. The concrete slump detection device for bridge construction of claim 2, wherein: In the working state, the two guide rods can only move away from each other under the limitation of the one-way positioning rack and the positioning tooth.

5. The concrete slump detection device for bridge construction of claim 1, wherein: The bottom of the guide portion is movably provided with a first ball.

6. The concrete slump detection device for bridge construction of claim 1, wherein: The sliding block is movably provided with a second ball.

7. The concrete slump detection device for bridge construction of claim 6, wherein: One of the guide portions is provided with a scale line. 8.The concrete slump detection device for bridge construction of claim 7, wherein: The guide portion provided with the scale line is slidably provided with a measuring rod. The guide portion is slidably provided with a sliding sleeve, the sliding sleeve is provided with a fastening bolt in a threaded manner, and the measuring rod is arranged on the sliding sleeve.

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