Concrete strength detector for constructional engineering quality inspection
By designing an arm-mounted structure, the problem of poor stability in the handheld operation of existing concrete strength testers is solved, achieving convenience and stability for single-handed operation and improving testing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-24
AI Technical Summary
The existing handheld concrete strength testers used for quality inspection in construction projects have poor stability, are labor-intensive, and have a low degree of automation.
The device adopts an arm-mounted structure, which, through the cooperation of lateral fixing parts, connecting rods, limit frames and actuating rods, enables single-handed forward movement of the rebound device and utilizes the gravity of the main support to reset, thereby improving stability and convenience.
This technology enables one-handed operation of the rebound hammer, improving the stability and convenience of the instrument and reducing the workload of the operator.
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Figure CN224035166U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building engineering concrete detection equipment technical field, concretely is a kind of building engineering quality inspection concrete strength detector. BACKGROUND
[0002] Concrete strength detection is one of the key indicators to evaluate the quality of concrete, directly affects the safety and service life of building. Detection methods include non-destructive testing and destructive testing two main types. Non-destructive testing methods such as rebound method and ultrasonic method, the hardness of concrete surface or ultrasonic propagation speed in concrete is measured to infer strength, without causing damage to the structure. Destructive testing methods such as core drilling method and pull-out method, the strength of concrete is directly determined by sampling and experiment, but it will destroy the structure.
[0003] Prior art has the following shortcomings: in the prior art with publication number CN218496669U "a building engineering quality inspection concrete strength detector", "including rebound apparatus, L-shaped supporting plate and mounting plate, L-shaped supporting plate is set at the end of rebound apparatus, mounting plate is set below rebound apparatus, mounting plate upper end surface is fixedly provided with box body, box body inside and outside is provided with clamping assembly, clamping assembly includes arc-shaped clamping plate, arc-shaped clamping plate is provided with two, two arc-shaped clamping plates are movably arranged on the upper end of box body".
[0004] The above structure prevents the rebound apparatus from falling due to hand slip during use by adding clamping assembly and handle, but the structure still uses the traditional hand-held operation method, which needs to be held by palm and apply pressure forward, not only more laborious, and low degree of automation, poor stability. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a building engineering quality inspection concrete strength detector, which solves the problem of poor stability and inconvenience of the existing hand-held operation.
[0006] To achieve the above object, the utility model provides the following technical scheme: a building engineering quality inspection concrete strength detector, including main body support, rebound apparatus, control panel and limiting belt, the rebound apparatus is set on the upper end of main body support, the control panel is set on the side wall of main body support, the limiting belt is set on the periphery of main body support.
[0007] The lateral fixing piece is provided below the main body support.
[0008] The lateral fixing piece further includes rear movable arm, front movable arm and limiting frame, the bottom of rear movable arm and front movable arm is movably connected to lateral fixing piece, and the limiting frame is movably connected to the side end of rear movable arm and front movable arm.
[0009] As a preferred technical scheme of the utility model, the main support further comprises a rear swing arm, a front swing arm, a connecting rod, a fixing frame and a pushing rod, the rear swing arm and the front swing arm are movably connected to the side end of the main support respectively, and the connecting rod is movably connected to the other side end of the front swing arm.
[0010] As a preferred technical scheme of the utility model, the fixing frame is perpendicular to the connecting rod and movably connected thereto, and the pushing rod is inserted into the side end of the fixing frame.
[0011] As a preferred technical scheme of the utility model, the rear movable arm and the front movable arm are each provided with two groups, and are symmetrically distributed with the middle part of the main support as an axis.
[0012] As a preferred technical scheme of the utility model, the rear movable arm and the front movable arm are movably connected to the rear swing arm and the front swing arm respectively near the side end of the upper end.
[0013] As a preferred technical scheme of the utility model, the limiting frame is provided with two groups, and the two groups of limiting frames are installed in opposite directions, the middle part of one group near the limiting belt is concave downward, and the middle part of the other group is concave upward.
[0014] As a preferred technical scheme of the utility model, the connecting rod is provided with a shaft body structure penetrating the connecting position of the front swing arm and the fixing frame.
[0015] Compared with the prior art, the utility model provides a concrete strength detector for building engineering quality inspection, which has the following beneficial effects:
[0016] A concrete strength detector for building engineering quality inspection is provided with a lateral fixing part, a connecting rod, a front swing arm, a rear swing arm, a limiting frame and a pushing rod, when the equipment is used, an operator passes through the limiting belt with one hand, presses the upper end of the limiting frame which is firstly contacted, holds the pushing rod after passing through the other group of limiting frames, at this time, starts the rebound instrument, aims at the concrete wall surface which needs to be detected, presses the pushing rod with the palm, the pushing rod drives the connecting rod through the fixing frame, the connecting rod drives the front swing arm and the rear swing arm, and the main support drives the rebound instrument to move forward under the support of the front movable arm and the rear movable arm, the rebound instrument directly contacts the wall surface to detect the concrete strength, after the detection is completed, the operator only needs to release the pushing rod, and under the action of the gravity of the main support, the front swing arm and the rear swing arm move downward, and the connecting rod resets.
[0017] Through the above setting and process, the device can be used to make the device move forward by the cooperation of the connecting rod, the lateral fixing piece, the limiting frame and the push rod, and the arm-wearing structure adopted by the scheme is more stable with the small arm as the support, and the single-handed mechanical linkage control makes the use of the rebound instrument more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic view of the utility model;
[0019] Figure 2 It is a side end structure schematic view of the utility model;
[0020] Figure 3 It is a limiting frame rear end view schematic view of the utility model;
[0021] Figure 4 It is a connecting position structure schematic view of the connecting rod and the lateral fixing piece of the utility model.
[0022] In the figure: 1, main support; 101, rear swing arm; 102, front swing arm; 103, connecting rod; 104, fixed frame; 105, push rod; 2, rebound instrument; 3, control panel; 4, limiting belt; 5, lateral fixing piece; 501, rear movable arm; 502, front movable arm; 503, limiting frame. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] In the embodiment: a concrete strength detector for construction engineering quality inspection, comprising a main support 1, a rebound instrument 2, a control panel 3 and a limiting belt 4, the rebound instrument 2 is arranged on the upper end of the main support 1, the control panel 3 is arranged on the side wall of the main support 1, and the limiting belt 4 is arranged on the periphery of the main support 1.
[0025] The main support 1 is provided below with a lateral fixing piece 5.
[0026] The lateral fixing piece 5 further comprises a rear movable arm 501, a front movable arm 502 and a limiting frame 503, the bottom of the rear movable arm 501 and the front movable arm 502 is movably connected to the lateral fixing piece 5, and the limiting frame 503 is movably connected to the side end of the rear movable arm 501 and the front movable arm 502.
[0027] In the embodiment, the main support 1 further comprises a rear swing arm 101, a front swing arm 102, a connecting rod 103, a fixing frame 104 and a pushing rod 105, the rear swing arm 101 and the front swing arm 102 are movably connected to the side ends of the main support 1 respectively, and the connecting rod 103 is movably connected to the other side end of the front swing arm 102; the fixing frame 104 is perpendicular to the connecting rod 103 and movably connected thereto, and the pushing rod 105 is inserted into the side end of the fixing frame 104.
[0028] Specifically, as shown in Figure 1 and Figure 4 , there is an inclination angle between the rear swing arm 101, the front swing arm 102 and the main support 1, and after being driven by the connecting rod 103, the rear swing arm 101 and the front swing arm 102 will immediately reset if the pushing rod 105 loses pressure.
[0029] In the embodiment, two groups of rear swing arms 501 and front swing arms 502 are arranged symmetrically with the middle part of the main support 1 as the axis, and the rear swing arms 501 and the front swing arms 502 are movably connected to the rear swing arm 101 and the front swing arm 102 respectively near the upper end side end.
[0030] Specifically, as shown in Figure 2 and Figure 3 , enough space can be reserved between the symmetrically distributed rear swing arms 501 and front swing arms 502 to install the limiting frame 503, so as to ensure that the limiting frame 503 can have stable connection.
[0031] In the embodiment, two groups of limiting frames 503 are arranged, and the two groups of limiting frames 503 are installed in opposite directions, one group of limiting frames 503 is concave in the middle part near the limiting belt 4, and the other group of limiting frames 503 is concave in the middle part; the connecting rod 103 is provided with a shaft structure penetrating connection at the position connected with the front swing arm 102 and the fixing frame 104.
[0032] The working principle and use process of the utility model are as follows: when the equipment is used, the operator passes through the limiting belt 4 with one hand, presses the upper end of the limiting frame 503 which is first contacted, holds the pushing rod 105 after passing through the other group of limiting frames 503, at this time, the rebound instrument 2 is started, and the concrete wall surface to be detected is aimed, the palm presses the pushing rod 105, the pushing rod 105 drives the connecting rod 103 through the fixing frame 104, the connecting rod 103 drives the front swing arm 102 and the rear swing arm 101, and the main support 1 drives the rebound instrument 2 to move forward under the support of the front swing arm 502 and the rear swing arm 501, the rebound instrument 2 directly contacts the wall surface to detect the concrete strength, and after the detection is completed, the operator only needs to release the pushing rod 105, under the action of the gravity of the main support 1, the front swing arm 102 and the rear swing arm 101 move downward, and the connecting rod 103 resets.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A concrete strength testing instrument for construction engineering quality inspection, comprising a main support (1), a rebound hammer (2), a control panel (3), and a limiting strap (4), wherein the rebound hammer (2) is disposed on the upper end of the main support (1), the control panel (3) is disposed on the side wall of the main support (1), and the limiting strap (4) is disposed on the periphery of the main support (1), characterized in that: A lateral fixing component (5) is provided below the main support (1); The lateral fixing member (5) also includes a rear movable arm (501), a front movable arm (502), and a limiting frame (503). The bottom of the rear movable arm (501) and the front movable arm (502) are movably connected to the lateral fixing member (5), and the limiting frame (503) is movably connected to the side ends of the rear movable arm (501) and the front movable arm (502).
2. The concrete strength tester for construction engineering quality inspection according to claim 1, characterized in that: The main support (1) also includes a rear swing arm (101), a front swing arm (102), a connecting rod (103), a fixing frame (104), and a lever (105). The rear swing arm (101) and the front swing arm (102) are movably connected to the side end of the main support (1), and the connecting rod (103) is movably connected to the other end of the front swing arm (102).
3. A concrete strength tester for construction engineering quality inspection according to claim 2, characterized in that: The fixed frame (104) is perpendicular to the connecting rod (103) and is movably connected to it, and the actuating rod (105) is inserted into the side end of the fixed frame (104).
4. A concrete strength tester for construction engineering quality inspection according to claim 1, characterized in that: The rear movable arm (501) and the front movable arm (502) are each provided in two sets, and are distributed symmetrically with the middle of the main support (1) as the axis.
5. A concrete strength tester for construction engineering quality inspection according to claim 1, characterized in that: The rear movable arm (501) and the front movable arm (502) are respectively movably connected to the rear swing arm (101) and the front swing arm (102) at their upper ends.
6. A concrete strength tester for construction engineering quality inspection according to claim 1, characterized in that: The limiting frame (503) is provided in two sets, and the two sets of limiting frames (503) are installed in opposite directions. The middle part of the set near the limiting strap (4) is concave, while the middle part of the other set is concave.
7. A concrete strength tester for construction engineering quality inspection according to claim 2, characterized in that: The connecting rod (103) is provided with a shaft structure through connection at the position where it connects with the front swing arm (102) and the fixed frame (104).
Citation Information
Patent Citations
Concrete strength detector for constructional engineering quality inspection
CN218496669U