Springback equipment for detecting concrete compressive strength through resilience method
By introducing components such as hinge blocks, fixing rods, friction shafts, rubber pads, and buffer springs into the rebound device, hand safety protection is achieved during the testing process, solving the hand injury problem caused by existing equipment and improving the service life and testing efficiency of the equipment.
Patent Information
- Application Number
- CN202520003716.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Existing rebound equipment can easily cause hand injuries and fatigue when used for a long time, increasing discomfort and reducing concrete testing efficiency.
A rebound device for testing the compressive strength of concrete using the rebound method was designed. It adopts components such as hinge blocks, fixed rods, friction shafts, rubber pads, and buffer springs. The protrusions are moved by gripping the rod, avoiding direct hand contact. Combined with a sliding plate, guide frame, damping rod, and return spring, buffer protection is provided to ensure hand safety.
It effectively protects the operator's hands, avoids damage caused by excessive rebound pressure, and improves the service life of the equipment and testing efficiency.
Smart Images
Figure CN223742148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete rebound detection technical field, in particular to a kind of rebound equipment for rebound method detection concrete compressive strength. BACKGROUND
[0002] Concrete rebound equipment is a kind of instrument for detecting concrete compressive strength, and the basic principle of rebound apparatus is that spring drives weight, and weight impacts with the rebounding rod directly contacting concrete surface with constant kinetic energy, so that partial concrete is deformed and absorbs part of energy, and the other part of energy is converted into rebounding kinetic energy of weight, when all rebounding kinetic energy is converted into potential energy, weight rebounds to maximum distance, and instrument displays maximum rebounding distance of weight as rebound value.
[0003] The patent with publication number CN220650357U proposes a kind of rebound equipment for rebound method detection concrete compressive strength, the rebound equipment is set by setting rebound apparatus body, hand holds ring;The fixed ring is set on the rebound apparatus body, the fixed ring bottom is provided with a plurality of connecting rods, the connecting rod middle position is provided with connecting ring, the connecting rod bottom is provided with spring column, the spring column bottom is provided with ground ring, the hand holds ring is set between fixed ring and connecting ring, the hand holds ring is provided with connecting plate, the connecting plate is provided with clamping plate.
[0004] Although the above-mentioned concrete rebound equipment greatly reduces the vibration damage to the hands during the use of the equipment, but holding the rebound equipment for a long time will still cause damage to the hands, and will also cause the user to be tired and other problems, thereby increasing discomfort and reducing the rebound equipment for concrete detection, in view of the above problems, a kind of rebound equipment for rebound method detection concrete compressive strength is improved and upgraded. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of rebound equipment for rebound method detection concrete compressive strength to solve the problems raised in the above background.
[0006] To solve the above problems, the following technical solutions are provided:
[0007] A kind of rebound equipment for rebound method detection concrete compressive strength is designed, including mounting seat, the mounting seat upper end surface is fixedly provided with hinged block, and the second friction rotating shaft is arranged on the outer wall of hinged block, the second friction rotating shaft outer wall is rotatably installed with fixed rod, a plurality of buffer springs are arranged on the upper side of fixed rod, and the one end of buffer spring is connected with rubber pad, metal frame is fixedly installed on the outer wall of fixed rod, and rebound instrument is arranged on the outer side of metal frame, rebound column is fixedly arranged at the bottom of rebound instrument, spring frame is sleeved on the outer wall of rebound column, and guide frame is fixedly arranged on the outer side of metal frame.
[0008] Further, the guide frame is internally rotatably installed with a connecting rod, one end of the connecting rod is fixedly connected to a handle, one end of the handle is fixedly connected with a protruding block, and the protruding block is rotatably installed on the outer wall of the first friction rotating shaft.
[0009] Further, the first friction rotating shaft is fixedly installed on the outer wall of the rebound instrument, and the diameter of the first friction rotating shaft is matched with the size of the protruding block.
[0010] Further, the rebound instrument is externally symmetrically provided with two sliding plates, and the outer walls of the two rebound instruments are fixedly provided with limiting blocks, and the sizes of the two sliding plates are the same.
[0011] Further, two guide grooves are formed in the guide frame, and the sliding plates are slidably connected in the guide grooves.
[0012] Further, the two guide grooves are fixedly provided with damping rods, and the outer walls of the damping rods are sleeved with return springs.
[0013] Compared with the prior art, the beneficial effects of the utility model lie in:
[0014] 1. The utility model discloses a hinge block, a fixed rod, a second friction rotating shaft, a rubber pad, a buffer spring and other components are arranged in the device, the rebound instrument is moved on the fixed rod and the guide frame, the protruding block is driven by the handle to move downward on the first friction rotating shaft, when the rebound instrument detects the compressive resistance of concrete, both hands of the staff are not in contact with the rebound instrument, the buffer spring on the rubber pad is utilized for protection, the hands of the staff are protected when the rebound instrument stably detects the compressive resistance, hand injuries caused by excessive rebound pressure and other problems are avoided, and the structure is simple.
[0015] 2. The utility model discloses a sliding plate, a guide frame, a spring frame, a damping rod, a return spring and other components are arranged in the device, when the rebound column one end measuring rod of the rebound instrument detects the ground concrete, the damping rod and the return spring are extruded and buffered by the sliding plate, the rebound column is protected by the spring frame, the rebound instrument is protected when in use, the service life of the rebound instrument is improved, and the operation is simple.
[0016] The specific embodiments of the utility model are disclosed in detail with reference to the following description and drawings, and the principle of the utility model can be adopted. It should be understood that the embodiments of the utility model are not limited in scope. The embodiments of the utility model include many changes, modifications and equivalents within the scope of the appended claims and clauses. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, which are used together with embodiments of the present application to explain the present application and do not constitute a limitation to the present application. In the drawings:
[0018] Figure 1 It is a rebound device overall structure schematic view for rebound method detection concrete compressive strength of the present application;
[0019] Figure 2 It is a rebound device movement structure schematic view for rebound method detection concrete compressive strength of the present application;
[0020] Figure 3 It is Figure 1 Outbound partial split structure schematic view;
[0021] Figure 4 It is Figure 3 Partial enlarged split structure schematic view;
[0022] Figure 5 It is Figure 3 Partial enlarged split structure schematic view.
[0023] In the drawing: 1, mounting seat;2, hinge block;21, second friction shaft;3, fixed rod;4, metal frame;5, rubber pad;51, buffer spring;6, handle;61, lug;62, first friction shaft;7, rebound instrument;71, slide plate;72, limit block;73, guide frame;74, guide slot;75, damping rod;76, return spring;8, rebound column;9, spring frame. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application is further described below in combination with specific embodiments.
[0025] As Figure 1 - Figure 5 The present application provides a rebound device for rebound method detection concrete compressive strength, which comprises a mounting seat 1, a hinge block 2 is fixedly arranged on the upper end surface of the mounting seat 1, a second friction shaft 21 is arranged on the outer wall of the hinge block 2, a fixed rod 3 is rotatably installed on the outer wall of the second friction shaft 21, a plurality of buffer springs 51 are arranged above the fixed rod 3, and rubber pads 5 are connected to one end of the buffer springs 51, a metal frame 4 is fixedly installed on the outer wall of the fixed rod 3, rebound instruments 7 are arranged on the outer side of the metal frame 4, rebound columns 8 are fixedly arranged at the bottom of the rebound instruments 7, spring frames 9 are sleeved on the outer wall of the rebound columns 8, and guide frames 73 are fixedly arranged on the outer side of the metal frame 4.
[0026] Preferably, the connecting rod is rotatably arranged in the guide frame 73 and fixedly connected to the handle 6 at one end, the handle 6 is fixedly connected with a protrusion 62 at one end, the protrusion 62 is rotatably arranged on the outer wall of the first friction rotating shaft 61, the first friction rotating shaft 61 is fixedly arranged on the outer wall of the rebound instrument 7, and the diameter of the first friction rotating shaft 61 is matched with the size of the protrusion 62, so that the rebound instrument 7 can be manually moved downward.
[0027] Preferably, the rebound instrument 7 is symmetrically provided with two sliding plates 71 outside, and the two rebound instruments 7 are fixedly provided with limiting blocks 72 on the outer walls, the sizes of the two sliding plates 71 are the same, the guide frame 73 is provided with two guide grooves 74 inside, the sliding plates 71 are slidingly connected inside the guide grooves 74, and the two guide grooves 74 are fixedly provided with damping rods 75 inside and the damping rods 75 are all sleeved with return springs 76, which is beneficial to the buffering of the rebound instrument 7 when detecting the ground concrete, and is beneficial to the protection of the rebound instrument 7.
[0028] The use principle and use process of the utility model are as follows: first, when the rebound method is used to detect the compression resistance of the concrete, the staff rotates the fixed rod 3 from the outer wall of the second friction rotating shaft 21 of the hinged block 2 to 90 degrees, and then places the rebound instrument 7 on the guide frame 73 outside the metal frame 4 vertically to the ground, at this time, the staff holds the handle 6 with one hand and the rubber pad 5 with the other hand, and then rotates the handle 6 upward, so that the protrusion 61 moves downward, the rebound instrument 7 moves stably in the guide groove 74 of the guide frame 73 through the limiting block 72 on the two sliding plates 71, the two sliding plates 71 are extruded by the damping rod 75, and the return spring 76 is used for buffering reset, so that the measuring rod on the rebound column 8 contacts the ground, and the ground concrete is detected by rebound, the rebound column 8 is assisted by the spring frame 9 when pressed, the staff's hand does not contact the rebound instrument 7, even if the rebound instrument 7 is detected by rebound, the staff's hand will not be damaged, and the other hand of the staff is protected by the buffer spring 51 under the rubber pad 5, so as to prevent the staff from being damaged due to excessive rebound pressure.
[0029] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.
[0030] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.
Claims
1. A rebound hammer device for testing the compressive strength of concrete using the rebound method, characterized in that, Including the mounting seat (1), the mounting seat (1) upper end face is fixedly provided with the hinge block (2), and the hinge block (2) outer wall is provided with the second friction rotating shaft (21), the second friction rotating shaft (21) outer wall is rotatably installed with the fixed rod (3), the fixed rod (3) upper portion is provided with a plurality of buffer springs (51) and the buffer spring (51) one end is connected with the rubber pad (5), the fixed rod (3) outer wall is fixedly installed with the metal frame (4) and the metal frame (4) outside is provided with the rebound instrument (7), the rebound instrument (7) bottom is fixedly provided with the rebound column (8), the rebound column (8) outer wall is sleeved with the spring frame (9), the metal frame (4) outside is fixedly provided with the guide frame (73).
2. A rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, characterized in that, The connecting rod is rotatably installed in the guide frame (73), and one end of the connecting rod is fixedly connected to the handle bar (6), one end of the handle bar (6) is fixedly connected with the protrusion (62), and the protrusion (62) is rotatably installed on the outer wall of the first friction rotating shaft (61).
3. A rebound device for detecting the compressive strength of concrete by rebound method according to claim 2, characterized in that The first friction rotating shaft (61) is fixedly installed on the outer wall of the rebound instrument (7), and the diameter of the first friction rotating shaft (61) is matched with the size of the protrusion (62).
4. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 1, wherein The rebound instrument (7) is symmetrically provided with two sliding plates (71) outside, and the outer wall of the two rebound instruments (7) is fixedly provided with a limiting block (72), and the size of the two sliding plates (71) is the same.
5. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 4, wherein The guide frame (73) is provided with two guide grooves (74) inside, and the sliding plate (71) is slidably connected inside the guide groove (74).
6. The rebound device for detecting the compressive strength of concrete by rebound method according to claim 5, wherein The damping rod (75) is fixedly arranged in the two guide grooves (74), and the damping rod (75) is sleeved with the reset spring (76) outside.