Concrete rebound detector with electronic data calculation function

Abstract

The utility model discloses a concrete springback detector with an electronic data calculation function, which comprises a springback detector main body, one side of the springback detector main body is provided with an elastic striking rod, two sides of the springback detector main body are provided with sliding chutes, a first sliding rod and a second sliding rod are respectively arranged in the two sliding chutes in a sliding manner, and the first sliding rod and the second sliding rod are connected with the springback detector main body. A rotating rod is rotatably installed at one end of the first sliding rod, a guide ring is arranged at one end of the rotating rod, a spring is fixedly installed on one side of the second sliding rod, a limiting ring is fixedly installed at one end of the spring, a limiting rod is fixedly installed on one side of the limiting ring, a limiting hole is formed in one side of the guide ring, and the limiting rod penetrates through the second sliding rod and is movably connected with the limiting hole in an inserted mode. According to the springback detector, the guide ring is firstly contacted with concrete, so that the springback detector main body and the concrete are in a vertical state, the springback rod is subjected to auxiliary positioning, and the detection accuracy is improved; and meanwhile, through arrangement of structures such as a spring, a limiting ring and a limiting rod, the connectivity is enhanced, and mounting and dismounting of the guide ring are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rebound detector technical field, concretely relates to a concrete rebound detector with electronic data calculation function. BACKGROUND

[0002] The concrete rebound detector is used for driving a spring to drive a hammer and making the hammer drive a pointer to rebound and indicate the rebounding distance by the restoring force of the instantaneous elastic deformation of the rebounding rod hitting the concrete surface. The rebound value (the ratio of the rebounding distance to the distance between the hammer and the rebounding rod before impact, calculated in percentage) is used as one of the indexes related to the compressive strength of the concrete to determine the compressive strength of the concrete.

[0003] However, the rebound detector still has some deficiencies in actual use. In the use process, the rebound detector needs to keep the rebounding rod perpendicular to the concrete as much as possible to ensure the detection accuracy. However, the operator inevitably has some angle inclination in the use process, which not only affects the detection accuracy, but also easily damages the rebounding rod, affecting the service life of the rebound detector. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiencies of the prior art and provides a concrete rebound detector with electronic data calculation function to solve the problems in the background art.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A concrete rebound detector with electronic data calculation function, comprising a rebound detector main body, a rebounding rod is arranged on one side of the rebound detector main body, sliding grooves are arranged on both sides of the rebound detector main body, first sliding rods and second sliding rods are slidably arranged in the two sliding grooves, a rotating rod is rotatably arranged at one end of the first sliding rod, a guide ring is arranged at one end of the rotating rod, a spring is fixedly arranged on one side of the second sliding rod, a limiting ring is fixedly arranged at one end of the spring, a limiting rod is fixedly arranged on one side of the limiting ring, a limiting hole is arranged on one side of the guide ring, and the limiting rod passes through the second sliding rod and is movably inserted into the limiting hole.

[0007] As a preferred scheme of the concrete rebound detector with electronic data calculation function, a connecting hole is arranged in the inner wall of the sliding groove, connecting columns are fixedly arranged at one end of the first sliding rod and the second sliding rod, the connecting columns are movably inserted into the connecting hole, magnetic blocks are fixedly arranged in the connecting hole and at one end of the connecting column, and the two magnetic blocks are attracted to each other.

[0008] As a kind of preferred scheme of the concrete rebound detector with electronic data computing function, circular hole groove is formed in the upper side of the guide ring, fixed bolt is arranged in the circular hole groove, and the fixed bolt is threadedly connected with the rotating rod through the guide ring.

[0009] As a kind of preferred scheme of the concrete rebound detector with electronic data computing function, the side of the limiting ring is fixedly installed with pull rod, and anti-skid lines are arranged on the outer surface of the pull rod.

[0010] As a kind of preferred scheme of the concrete rebound detector with electronic data computing function, the outer surface of the rebound detector main body is fixedly installed with digital display module.

[0011] The beneficial effects of the present application are as follows:

[0012] (1) The present application adopts the setting of chute, first sliding rod, second sliding rod, rotating rod and guide ring, the guide ring is first contacted with concrete, so that the rebound detector main body is perpendicular to the concrete, thereby assisting the positioning of the rebounding rod, and improving the detection accuracy.

[0013] (2) The present application adopts the setting of spring, limiting ring and limiting rod, realizes the positioning of the guide ring, avoids the position deviation of the guide ring in use process, enhances the connectivity, and facilitates the installation and disassembly of the guide ring. DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0015] Figure 1 is a structure schematic view of one view angle of the concrete rebound detector with electronic data computing function.

[0016] Figure 2 is a structure schematic view of another view angle of the concrete rebound detector with electronic data computing function.

[0017] Figure 3 is Figure 1 the enlarged structure schematic view of part A in the figure.

[0018] Figure 4 is Figure 2 the enlarged structure schematic view of part B in the figure.

[0019] Figure 5 isFigure 2 Enlarged structural schematic view of part C.

[0020] Figure 6 is Figure 2 Enlarged structural schematic view of part D.

[0021] In the figure:

[0022] 1, rebound detector main body; 2, elastic impact rod; 3, sliding groove; 4, first sliding rod; 5, second sliding rod; 6, rotating rod; 7, guide ring; 8, spring; 9, limiting ring; 10, limiting rod; 11, connecting hole; 12, connecting column; 13, fixing bolt; 14, round hole groove; 15, pull rod; 16, digital display module. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be further described below in combination with the drawings and through specific embodiments.

[0024] Among them, the drawings are only used for example explanation, and the representation is only a schematic diagram, not a real object diagram, and cannot be understood as a limitation of the patent; in order to better illustrate the embodiments of the utility model, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures in the drawings and their descriptions can be omitted.

[0025] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not to indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, the positional relationship described in the drawings is only used for example explanation, and cannot be understood as a limitation of the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0026] In the description of the utility model, unless otherwise explicitly specified and limited, if the term "connection" and the like appear, the term should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0027] As Figures 1 to 4The utility model provides a concrete rebound testing appearance with electronic data calculation function, including rebound testing appearance main part 1, the one side of rebound testing appearance main part 1 is provided with elastic striking lever 2, the both sides of rebound testing appearance main part 1 are all set up with slide groove 3, the first slide 4 and second slide 5 are slidably installed in two slide grooves 3 of rebound testing appearance main part 1 respectively, the one end of first slide 4 is rotatably installed with rotary rod 6, the one end of rotary rod 6 is provided with guide ring 7, the utility model discloses a guide ring 7 is set up in the detection end of rebound testing appearance main part 1 and is contacted with concrete first and is positioned, ensures that elastic striking lever 2 and concrete are in perpendicular state, then pushes elastic striking lever 2 on rebound testing appearance main part 1 again and carries out rebound detection to concrete, improves the detection accuracy.

[0028] In the embodiment, the second slide rod 5 is fixedly installed with a spring 8 on one side, the spring 8 is fixedly installed with a limiting ring 9 on one end, the limiting ring 9 is fixedly installed with a limiting rod 10 on one side, the guide ring 7 is provided with a limiting hole on one side, and the limiting rod 10 passes through the second slide rod 5 and is movably inserted into the limiting hole, so as to limit the guide ring 7.

[0029] Preferably, the limiting ring 9 of the embodiment is fixedly installed with a pull rod 15 on one side, and the outer surface of the pull rod 15 is provided with anti-skid lines. When the guide ring 7 needs to be replaced, the user can pull the limiting ring 9 outward by the pull rod 15, so that the limiting rod 10 is separated from the limiting hole, and then the guide ring 7 is rotated around the rotary rod 6, so that the second slide rod 5 is limited to the guide ring 7.

[0030] Meanwhile, the upper part of the guide ring 7 is provided with a circular hole groove 14, and the circular hole groove 14 is provided with a fixing bolt 13. When the guide ring 7 needs to be replaced, the fixing bolt 13 is screwed out, so that the first slide rod 4 is limited to the guide ring 7. When the first slide rod 4 and the second slide rod 5 are both limited to the guide ring 7, the guide ring 7 can be disassembled and replaced, and the installation and disassembly are simple and convenient.

[0031] In the embodiment, the rebound detector main body 1 is located in the sliding groove 3, the inner wall of the sliding groove 3 is provided with a connecting hole 11, one end of the first sliding rod 4 and the second sliding rod 5 is fixedly provided with a connecting column 12, the connecting column 12 is movably inserted into the connecting hole 11, the inside of the connecting hole 11 and one end of the connecting column 12 are fixedly provided with magnetic blocks, and the two magnetic blocks are attracted to each other. When the instrument is used, the user can hold the first sliding rod 4 and the second sliding rod 5 and slightly push them upwards, so that the first sliding rod 4 and the second sliding rod 5 can be stretched upwards along the sliding groove 3, and the guide ring 7 can be first contacted with the concrete to assist positioning.

[0032] Preferably, the rebound detector main body 1 of the embodiment is fixedly provided with a digital display module 16 on the outer surface, the digital display module 16 comprises a display panel, a central processing unit and a sensor, the display panel and the sensor are electrically connected with the central processing unit, wherein the sensor is used for detecting the displacement of a pointer in the rebound detector main body 1 and transmitting data to the central processing unit, the central processing unit is used for calculating according to a rebound value calculation formula, and the calculation result of the rebound value is displayed on the display panel.

[0033] Specifically, when the rebound value is tested, 16 rebound values should be read in each measuring area, the rebound value reading of each measuring point should be accurate to 1.0, the measuring points should be evenly distributed in the measuring area, the net distance between adjacent two measuring points should not be less than 20 mm, the same measuring point should be hit only once, when the average rebound value of the measuring area is calculated, 3 maximum values and 3 minimum values should be eliminated from the 16 rebound values of the measuring area, and the remaining 10 rebound values are calculated according to the following formula:

[0034]

[0035] In the formula, R m represents the average rebound value of the measuring area, accurate to 0.1; R i represents the rebound value of the i-th measuring point.

[0036] Working principle and use process of the utility model:

[0037] When the concrete rebound detector is used for detecting old buildings, the user first holds the first sliding rod 4 and the second sliding rod 5 and slightly pushes them outward, so that the first sliding rod 4 and the second sliding rod 5 are pulled out of the connecting hole 11, when the rebound detector is used, the operator holds the first sliding rod 4 and the second sliding rod 5 with one hand at the same time, so that the end face of the guide ring 7 is first contacted with the concrete, thereby ensuring that the instrument is in a vertical state with the concrete, and then the rebound detector main body 1 is pushed to move towards the concrete with the other hand, so that the impact rod 2 is contacted with the concrete, thereby the rebound detection is carried out.

[0038] The utility model discloses through the setting of chute 3, first slide 4, second slide 5, rotary bar 6 and guide ring 7 etc. structure, it is convenient to carry out auxiliary positioning when rebound detector main part 1 uses, make the percussion lever 2 with concrete keep perpendicular state to improve the detection accuracy, and through the setting of spring 8, limit ring 9 and limiting rod 10 etc. structure, enhance the connectivity, it is convenient for the installation and disassembly of guide ring 7.

[0039] Need to explain is, the rebound detector main part 1 of this embodiment and digital display module 16 can adopt the market purchase, and the rebound detector main part 1 is equipped with power, and in the field belongs to mature technology, has been fully disclosed, therefore the specification is not repeated in the description.

[0040] Need to declare is, the above specific embodiment is only the preferred embodiment of the utility model and the technical principle that is used. The person skilled in the art should understand that various modifications, equivalent replacement, change etc. can be made to the utility model. However, as long as these changes do not deviate from the spirit of the utility model, they should be within the protection scope of the utility model. In addition, some terms used in the present application specification and claims are not limited, but only for the convenience of description.

Claims

1. A concrete rebound hammer with electronic data calculation function, characterized in that, Including rebound detector main part (1), one side of rebound detector main part (1) is provided with bounce stick (2), both sides of rebound detector main part (1) are provided with sliding slot (3), first slide rod (4) and second slide rod (5) are respectively slidably installed in two sliding slots (3) of rebound detector main part (1), one end of first slide rod (4) is rotatably installed with rotating rod (6), one end of rotating rod (6) is provided with guide ring (7), one side of second slide rod (5) is fixedly installed with spring (8), one end of spring (8) is fixedly installed with limiting ring (9), one side of limiting ring (9) is fixedly installed with limiting rod (10), one side of guide ring (7) is provided with limiting hole, limiting rod (10) passes through second slide rod (5) and is movably inserted into limiting hole, the outer surface of rebound detector main part (1) is fixedly installed with digital display module (16).

2. The electronic data-enabled concrete rebound hammer of claim 1, wherein, The inner side wall of the sliding slot (3) is provided with a connecting hole (11), and one end of the first slide rod (4) and the second slide rod (5) is fixedly installed with a connecting column (12), the connecting column (12) is movably inserted into the connecting hole (11), and the connecting hole (11) and the connecting column (12) are fixedly installed with magnetic blocks, and the two magnetic blocks are attracted to each other.

3. The electronic data-enabled concrete rebound hammer of claim 2, wherein, The upper side of the guide ring (7) is provided with a circular hole groove (14), and the circular hole groove (14) is provided with a fixing bolt (13), and the fixing bolt (13) is screwed with the rotating rod (6) through the guide ring (7).

4. The electronic data-enabled concrete rebound hammer of claim 3, wherein, The side of the limiting ring (9) is fixedly installed with a pull rod (15), and the outer surface of the pull rod (15) is provided with anti-skid lines.

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