Springback device for detecting concrete compressive strength through resilience method

By designing a rebound device with support and grinding components, and using a motor and hydraulic system to automatically adjust the position of the rebound hammer and grinding disc, the problem of time-consuming and labor-intensive manual cleaning of laitance and grease in existing technologies is solved, achieving efficient and accurate concrete strength testing.

CN223526184UActive Publication Date: 2025-11-07SHANDONG WATER CONSERVANCY ENG TEST CENT CO LTD
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Patent Information

Application Number
CN202422984281.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-07
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing concrete rebound hammers require manual cleaning of laitance and grease during use, and the hand-held process can easily cause the instrument to tilt, affecting the detection accuracy and wasting time and effort.

Method used

A rebound device was designed, comprising a support assembly and a grinding assembly. The rebound device and the grinding disc are automatically aligned by a motor and a hydraulic system to ensure vertical detection and cleaning. The rotating rod and the rotating plate are driven by a motor and a hydraulic cylinder, respectively, and the hydraulic rod extends and retracts to adjust the position of the rebound device and the grinding disc.

Benefits of technology

It enables automatic vertical detection of rebound hammers and efficient cleaning of floating slurry and oil stains, reducing the time and effort required for manual operation and improving detection efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a springback device for detecting concrete compressive strength by a springback method, and relates to the technical field of concrete detection. The device comprises a supporting assembly which comprises a mounting plate, a round rod fixed on the mounting plate, and a disc fixed on the round rod; the detection assembly is arranged on the supporting assembly; the detection assembly comprises a first fixing plate fixed to the outer wall of the disc, a barrel fixed to the first hydraulic rod and a rebound instrument inserted into the circular groove. And; the polishing assembly is arranged on the supporting assembly; the polishing assembly comprises a second fixing plate fixed to the outer wall of the disc, a second rotating rod rotationally connected to the second fixing plate, a second rotating plate fixed to the second rotating rod, a support fixed to the second hydraulic rod and a polishing disc rotationally connected to the support. By arranging the detection assembly and the polishing assembly, the problems that the rebound apparatus is held by hand for detection, but the rebound apparatus needs to be kept perpendicular to the wall for detection, the rebound apparatus is inclined in the holding process, detection is affected, and meanwhile time and labor are wasted are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection technical field, especially the rebound device for rebound method detects concrete compressive strength. BACKGROUND

[0002] The concrete rebound hammer is a kind of equipment for non-destructive testing concrete compressive strength. It infers the hardness and compressive strength of concrete by measuring the size of rebound energy after standard impact is applied to the surface of concrete. The instrument usually includes a handheld device with impact head and measurement system inside, so that operator can quickly and conveniently test concrete. When the concrete rebound hammer is used, the mortar and oil dirt on the wall need to be cleaned manually, and after cleaning, the rebound hammer is held to detect, but the rebound hammer needs to be kept vertical to the wall, and the holding process can cause the rebound hammer to be inclined, affect detection, and be time-consuming and laborious.

[0003] Chinese patent discloses a kind of rebound method detects concrete compressive strength measuring area using device (authorized announcement No.CN211013848U), the patent technology mainly has protective sleeve, end cap is connected on the upper side of protective sleeve, end cap is fixedly connected with stabilizing disc, rebound hammer body is placed in protective sleeve, opening is symmetrically provided on the both sides of protective sleeve, second fixed rod is symmetrically connected on rebound hammer body, first fixed rod is symmetrically connected on protective sleeve, first fixed rod and second fixed rod are equipped with stop edge, first fixed rod and second fixed rod are equipped with sliding sleeve.

[0004] However, there are still deficiencies in view of the above patent, when the concrete rebound hammer is used, the mortar and oil dirt on the wall need to be cleaned manually, and after cleaning, the rebound hammer is held to detect, but the rebound hammer needs to be kept vertical to the wall, and the holding process can cause the rebound hammer to be inclined, affect detection, and be time-consuming and laborious. Therefore, the rebound device for rebound method detects concrete compressive strength is provided by the person skilled in the art to solve the problems in the above background art. UTILITY MODEL CONTENTS

[0005] 1. Technical solution

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a rebound device for rebound method detects concrete compressive strength, including,

[0008] Support assembly, including mounting plate, circular rod fixed to the lower surface of mounting plate, circular disc fixed to the bottom end of circular rod;

[0009] Detection assembly is arranged on one side of support assembly;

[0010] The detection assembly comprises a fixed plate one fixed to one side of the outer wall of the disc, a rotating rod one rotatably connected to the lower surface of the fixed plate one, a rotating plate one fixed to the bottom end of the rotating rod one, a hydraulic cylinder one fixed to one side of the upper surface of the rotating plate one, a hydraulic rod one movably connected to the bottom end of the hydraulic cylinder one, a barrel fixed to the bottom end of the hydraulic rod one, a circular groove opened in the bottom end of the barrel, and a rebound instrument inserted into the circular groove;

[0011] And;

[0012] The polishing assembly is arranged on the other side of the supporting assembly;

[0013] The polishing assembly comprises a fixed plate two fixed to the other side of the outer wall of the disc, a rotating rod two rotatably connected to the lower surface of the fixed plate two, a rotating plate two fixed to the bottom end of the rotating rod two, a hydraulic cylinder two fixed to the upper surface of the rotating plate two, a hydraulic rod two movably connected to the bottom end of the hydraulic cylinder two, a bracket fixed to the bottom end of the hydraulic rod two, and a polishing disc rotatably connected to the lower surface of the bracket.

[0014] Further, two handles are fixed to the upper surface of the mounting plate;

[0015] Specifically, the handles facilitate the overall holding of the device.

[0016] Further, a control switch box is fixed to the upper surface of the mounting plate, and a display screen and a button are sequentially embedded and installed on the upper surface of the control switch box from back to front;

[0017] Specifically, the control switch box can control the start and stop of the hydraulic cylinder one, the hydraulic cylinder two, the motor one, the motor two, and the motor three.

[0018] Further, a circular hole two is opened in the upper surface of the fixed plate one, a motor one is fixed to the upper surface of the fixed plate one, a transmission shaft of the motor one extends into the circular hole two, and the bottom end of the transmission shaft of the motor one is fixed with the rotating rod one;

[0019] Specifically, the transmission shaft of the motor one is fixed with the rotating rod one, which provides power for the rotation of the rotating rod one and the rotating plate one, so that the rebound instrument can be rotated to the vertical center position of the mounting plate, and the strength of the concrete wall can be conveniently detected.

[0020] Further, a circular hole one is opened in one side of the upper surface of the rotating plate one, and the bottom end of the hydraulic rod one movably connected to the hydraulic cylinder one penetrates through the circular hole one;

[0021] Specifically, the circular hole one facilitates the penetration of the hydraulic rod one movably connected to the hydraulic cylinder one.

[0022] Further, a circular hole four is opened in the upper surface of the fixed plate two, a motor two is fixed to the upper surface of the fixed plate two, a transmission shaft of the motor two extends into the circular hole four, and the bottom end of the transmission shaft of the motor two is fixed with the rotating rod two;

[0023] Specifically, the transmission shaft of the motor two fixes the rotating rod two, which provides power for the rotation of the rotating rod two and the rotating plate two, so that the polishing disc can rotate to the vertical center position of the mounting plate, thereby facilitating the cleaning of the efflorescence and oil stains on the concrete wall for the rebound instrument to detect.

[0024] Further, a circular hole three is formed on the upper surface of the rotating plate two, and the bottom end of the hydraulic rod two movably connected with the hydraulic cylinder two penetrates the circular hole three.

[0025] Specifically, the circular hole three facilitates the penetration of the bottom end of the hydraulic rod two movably connected with the hydraulic cylinder two.

[0026] Further, a recess is formed on the front end of the support, a circular hole five is formed on the inner wall bottom end of the recess, a motor three is fixed on the inner wall bottom end of the recess, a transmission shaft of the motor three extends into the circular hole five, and a polishing disc is fixed on the bottom end of the transmission shaft of the motor three.

[0027] Specifically, the transmission shaft of the motor three fixes the polishing disc, which provides power for the rotation of the polishing disc, so that the polishing disc can clean the efflorescence and oil stains on the concrete wall.

[0028] 2. Beneficial effects

[0029] Compared with the prior art, the utility model has the advantages that:

[0030] The utility model adds a detection assembly on one side of the supporting assembly, when the concrete wall needs to be detected, the motor one is started, so that the rotating plate one and the rotating rod one can rotate as needed, the rebound instrument is rotated to the vertical center position of the mounting plate, then the hydraulic cylinder one is started, so that the hydraulic rod one is extended and retracted, the rebound instrument can extrude the concrete wall, thereby facilitating the detection of the strength of the concrete wall, saving time and effort.

[0031] Meanwhile, the polishing assembly is added, when the efflorescence and oil stains on the concrete wall need to be cleaned, the motor two is started, so that the rotating rod two and the rotating plate two can rotate as needed, the polishing disc is aligned with the vertical center of the mounting plate, the hydraulic cylinder two is started, so that the hydraulic rod two is extended and retracted, the polishing disc can be attached to the concrete wall, then the motor three is started, so that the polishing disc rotates to clean the efflorescence and oil stains on the concrete wall, thereby facilitating the detection of the strength of the concrete wall by the rebound instrument.

[0032] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above at the same time. DRAWINGS

[0033] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0034] Figure 1 It is the front view of the present application;

[0035] Figure 2 It is the front view of the support assembly of the present application;

[0036] Figure 3 It is the sectional view of the detection assembly of the present application;

[0037] Figure 4 It is the second sectional view of the fixed plate of the present application;

[0038] Figure 5 It is the sectional view of the support of the present application.

[0039] In the drawings, the component list represented by each number is as follows:

[0040] 100, support assembly; 110, handle; 120, mounting plate; 130, control switch box; 140, round rod; 150, round disc; 200, detection assembly; 210, rotating plate one; 211, round hole one; 220, rotating rod one; 230, fixed plate one; 231, round hole two; 240, motor one; 250, hydraulic cylinder one; 260, hydraulic rod one; 270, round barrel; 271, round groove; 280, rebound instrument; 300, polishing assembly; 310, rotating plate two; 311, round hole three; 320, rotating rod two; 330, fixed plate two; 331, round hole four; 340, motor two; 350, hydraulic cylinder two; 360, hydraulic rod two; 370, polishing disc; 380, support; 381, groove; 382, round hole five; 390, motor three. DETAILED DESCRIPTION

[0041] In order to make the above-mentioned purpose, features and advantages of the present application more apparent and easy to understand, the following will make a detailed description of the specific embodiments of the present application in combination with the drawings.

[0042] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0043] Second, the utility model in combination with the schematic diagram is described in detail, when detailing the utility model embodiment, for facilitating the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0044] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.

[0045] Example 1

[0046] Please refer to Figures 1-3 The utility model discloses a rebound device for detecting the compressive strength of concrete, which comprises,

[0047] The support assembly 100 comprises a mounting plate 120, a round rod 140 fixed to the lower surface of the mounting plate 120, and a disc 150 fixed to the bottom end of the round rod 140.

[0048] The detection assembly 200 is arranged on one side of the support assembly 100.

[0049] The detection assembly 200 comprises a fixed plate one 230 fixed to one side of the outer wall of the disc 150, a rotating rod one 220 rotatably connected to the lower surface of the fixed plate one 230, a rotating plate one 210 fixed to the bottom end of the rotating rod one 220, a hydraulic cylinder one 250 fixed to one side of the upper surface of the rotating plate one 210, a hydraulic rod one 260 movably connected to the bottom end of the hydraulic cylinder one 250, a round barrel 270 fixed to the bottom end of the hydraulic rod one 260, a round groove 271 formed in the bottom end of the round barrel 270, and a rebound apparatus 280 inserted into the round groove 271.

[0050] Two side surfaces of the upper surface of the mounting plate 120 are fixed with handgrips 110.

[0051] The upper surface of the mounting plate 120 is fixed with a control switch box 130, and a display screen and buttons are sequentially embedded and installed on the upper surface of the control switch box 130 from back to front.

[0052] A round hole two 231 is formed in the upper surface of the fixed plate one 230, a motor one 240 is fixed to the upper surface of the fixed plate one 230, a transmission shaft provided on the motor one 240 extends into the round hole two 231 at the bottom end, and the rotating rod one 220 is fixed to the bottom end of the transmission shaft provided on the motor one 240.

[0053] A round hole one 211 is formed in one side of the upper surface of the rotating plate one 210, and the bottom end of the hydraulic rod one 260 movably connected to the hydraulic cylinder one 250 penetrates through the round hole one 211.

[0054] The use of the detection assembly 200 is performed.

[0055] When the strength of the concrete wall needs to be detected, the rebound hammer 280 is inserted into the circular groove 271, and then the control switch box 130 is operated, so that the motor 240 is started, the rotating rod 220 and the rotating plate 210 are rotated, the rebound hammer 280 is rotated to the vertical center position of the mounting plate 120, and then the hydraulic cylinder 250 is started, so that the hydraulic rod 260 is extended and retracted, and the rebound hammer 280 is used to press the concrete wall, thereby facilitating the strength detection of the concrete wall, saving time and effort.

[0056] Embodiment 2

[0057] Please refer to Figures 4-5 As shown, and;

[0058] The polishing assembly 300 is arranged on the other side of the supporting assembly 100.

[0059] The polishing assembly 300 comprises a second fixed plate 330 fixed to the other side of the outer wall of the disc 150, a second rotating rod 320 rotatably connected to the lower surface of the second fixed plate 330, a second rotating plate 310 fixed to the bottom end of the second rotating rod 320, a second hydraulic cylinder 350 fixed to the upper surface of the second rotating plate 310, a second hydraulic rod 360 movably connected to the bottom end of the second hydraulic cylinder 350, a support 380 fixed to the bottom end of the second hydraulic rod 360, and a polishing disc 370 rotatably connected to the lower surface of the support 380.

[0060] A circular hole 331 is formed in the upper surface of the second fixed plate 330, and a second motor 340 is fixed to the upper surface of the second fixed plate 330. The bottom end of the transmission shaft of the second motor 340 extends into the circular hole 331, and the bottom end of the transmission shaft of the second motor 340 is fixed with the second rotating rod 320.

[0061] A circular hole 311 is formed in one side of the upper surface of the second rotating plate 310, and the bottom end of the second hydraulic rod 360 movably connected to the second hydraulic cylinder 350 penetrates the circular hole 311.

[0062] A recess 381 is formed in the front end of the support 380, a circular hole 382 is formed in the inner wall of the bottom end of the recess 381, a third motor 390 is fixed to the inner wall of the bottom end of the recess 381, the bottom end of the transmission shaft of the third motor 390 extends into the circular hole 382, and the bottom end of the transmission shaft of the third motor 390 is fixed with the polishing disc 370.

[0063] The use of the polishing assembly 300 is performed.

[0064] When the strength of the concrete wall is detected, the floating slurry and oil stains on the concrete wall need to be cleaned, the operation control switch box 130 is controlled, the motor two 340 is started, the rotating rod two 320 and the rotating plate two 310 can rotate according to the requirement, the polishing disc 370 is rotated to the vertical center position of the mounting plate 120, then the hydraulic cylinder two 350 is started, the hydraulic rod two 360 is driven, the polishing disc 370 can be attached to the concrete wall, then the motor three 390 is started, the polishing disc 370 is rotated, and the floating slurry and oil stains on the concrete wall can be cleaned.

[0065] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0066] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rebound device for detecting the compressive strength of concrete by rebound method, characterized in that: The utility model relates to a kind of automatic polishing machine, including, Supporting assembly (100), including mounting plate (120), circular rod (140) fixed to the lower surface of mounting plate (120), disc (150) fixed to the bottom end of circular rod (140); Detection assembly (200) is arranged on one side of supporting assembly (100); The detection assembly (200) includes fixed plate one (230) fixed to the outer wall of disc (150) one side, rotatingly connected with the lower surface of fixed plate one (230) rotating rod one (220), fixed to the bottom end of rotating rod one (220) rotating plate one (210), fixed to the upper surface of rotating plate one (210) one side hydraulic cylinder one (250), movably connected with the bottom end of hydraulic cylinder one (250) hydraulic rod one (260), fixed to the bottom end of hydraulic rod one (260) barrel (270), circular groove (271) is opened in the bottom end of barrel (270), rebound instrument (280) is inserted into circular groove (271); And; Polishing assembly (300) is arranged on the other side of supporting assembly (100); The polishing assembly (300) includes fixed plate two (330) fixed to the outer wall of disc (150) other side, rotatingly connected with the lower surface of fixed plate two (330) rotating rod two (320), fixed to the bottom end of rotating rod two (320) rotating plate two (310), fixed to the upper surface of rotating plate two (310) hydraulic cylinder two (350), movably connected with the bottom end of hydraulic cylinder two (350) hydraulic rod two (360), fixed to the bottom end of hydraulic rod two (360) support (380), rotatingly connected with the lower surface of support (380) polishing disc (370).

2. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The upper surface of the mounting plate (120) is fixed with a handle (110) on both sides.

3. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The upper surface of the mounting plate (120) is fixed with a control switch box (130), and a display screen and a button are embedded and installed on the upper surface of the control switch box (130) from back to front.

4. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The upper surface of the fixed plate one (230) is provided with a circular hole two (231), and the fixed plate one (230) is fixed with a motor one (240), and the bottom end of the transmission shaft of the motor one (240) extends into the circular hole two (231), and the bottom end of the transmission shaft of the motor one (240) is fixed with the rotating rod one (220).

5. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The upper surface of the rotating plate one (210) is provided with a circular hole one (211), and the bottom end of the hydraulic rod one (260) movably connected with the hydraulic cylinder one (250) penetrates the circular hole one (211).

6. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The upper surface of the fixed plate two (330) is provided with a circular hole four (331), and the fixed plate two (330) is fixed with a motor two (340), and the bottom end of the transmission shaft of the motor two (340) extends into the circular hole four (331), and the bottom end of the transmission shaft of the motor two (340) is fixed with the rotating rod two (320).

7. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The upper surface of the rotating plate two (310) is provided with a circular hole three (311), and the bottom end of the hydraulic rod two (360) movably connected with the hydraulic cylinder two (350) penetrates the circular hole three (311).

8. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that: The bracket (380) is provided with a groove (381) at the front end, a round hole five (382) is formed at the bottom end of the inner wall of the groove (381), a motor three (390) is fixed at the bottom end of the inner wall of the groove (381), the bottom end of the transmission shaft of the motor three (390) extends into the round hole five (382), and the bottom end of the transmission shaft of the motor three (390) is fixed with a grinding disc (370).

Citation Information

Patent Citations

  • Device for detecting concrete compressive strength detection area by rebound method

    CN211013848U