Springback detection equipment
By designing the auxiliary supporting mechanism in the rebound detection equipment, the problem of being difficult to maintain vertical in the equipment and the surface of the concrete in the equipment, and improved the accuracy of the detection results and the service life of the equipment.
Patent Information
- Application Number
- CN202323572653.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-12-27
AI Technical Summary
The existing rebound detection equipment does not have relevant auxiliary support structures, which makes it difficult for the bounce rod to remain perpendicular to the concrete surface, affecting the accuracy of the detection results.
Design a rebound detection equipment including the body, the pitch rod, the digital displayer and the auxiliary supporting mechanism. The auxiliary supporting mechanism consists of a bottom plate, positioning cover, support component, fixed board, and slide cover. Through these components, the positioning support of the bomb pole and the movement of the bottom plate to ensure that the collision rod and the surface of the concrete are kept vertical.
By setting up the auxiliary supporting mechanism, the collision rod and the surface of the concrete are maintained vertical, the accuracy of the detection results is improved, and the design of the support component is used to protect the collision of the collision bar.
Smart Images
Figure CN222419756U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering, and in particular to a rebound detection device. Background Art
[0002] In construction projects, recycled concrete is used to reduce energy waste and make better use of recyclable energy. Recycled concrete refers to new concrete made by crushing, cleaning, grading discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel (mainly coarse aggregate), and then adding cement, water, etc. Recycled concrete can have the following combinations of aggregates: all aggregates are recycled aggregates; coarse aggregates are recycled aggregates and fine aggregates are natural sand; coarse aggregates are natural crushed stone or pebbles and fine aggregates are recycled aggregates; recycled aggregates replace part of the coarse aggregate or fine aggregate. After the construction of building components is completed, in order to inspect the quality of the recycled concrete, a rebound test device is usually used to test the hardness of the building components.
[0003] The main structure of the existing rebound detection equipment includes a body, on which a tension spring and a digital display are installed. The tension spring is connected to a weight. The basic principle is to use the tension spring to drive the weight. The weight hits the impact rod in vertical contact with the concrete surface with constant kinetic energy, causing the local concrete to deform and absorb part of the energy. The other part of the energy is converted into the rebound kinetic energy of the weight. When the rebound kinetic energy is completely converted into potential energy, the weight rebounds to the maximum distance, and the instrument displays the maximum rebound distance of the weight as a rebound value. When operating the rebound detection equipment, the operator holds the middle part of the equipment with one hand to play a role in straightening, and holds the tail of the equipment with the other hand to apply pressure to the equipment, which also plays an auxiliary straightening role. However, the existing rebound detection equipment is not equipped with relevant auxiliary support structures. Relying solely on the operator's manual straightening cannot ensure that the impact rod always remains perpendicular to the concrete surface. An inclined gap is easily generated between the impact rod and the concrete surface, which will cause uneven force on the impact rod and affect the accuracy of the test results. Utility Model Content
[0004] In view of the existing deficiencies, the utility model provides a rebound detection device, which solves the problem that the rebound detection device in the prior art is not provided with a relevant auxiliary support structure, and only relying on the operator's manual straightening cannot ensure that the impact rod always remains perpendicular to the concrete surface. An inclined gap is easily generated between the impact rod and the concrete surface, which will cause uneven force on the impact rod and affect the accuracy of the detection result.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A rebound detection device includes a body, a rebound rod is arranged at the left end of the body, a digital display is arranged on the upper side of the rebound rod ring surface, an auxiliary support mechanism is arranged on the left side of the body ring surface, the auxiliary support mechanism includes a base plate, a positioning sleeve, a support assembly, a fixed plate and a sliding sleeve, the sliding sleeve is arranged on the left side of the body ring surface, a fixed plate with a three-quarter circle structure is fixedly arranged at the left end of the sliding sleeve, a positioning sleeve is arranged at intervals on the left side of the fixed plate, a base plate with a square structure is fixedly arranged on the left side of the positioning sleeve, and the base plate is fixedly connected to the fixed plate through multiple groups of support assemblies.
[0007] Furthermore, the support assembly includes a support rod, a limit baffle, a return spring and a support sleeve. The support sleeve is arranged on the left side of the fixed plate. A support rod is inserted into the left side of the support sleeve. The left end of the support rod is connected to the positioning sleeve. A limit baffle is fixed to the right end of the support rod. A return spring is arranged inside the support sleeve, and the left end of the return spring is against the limit baffle.
[0008] Furthermore, a fixing stud is fixedly provided at the right end of the support sleeve, the fixing stud passes through the fixing plate, and a hexagonal nut is threadedly connected to the annular surface of the fixing stud.
[0009] Furthermore, a plug-in groove is provided inside the right end surface of the positioning sleeve, the left end of the support rod is inserted into the plug-in groove, and a pin is provided through the connection between the support rod and the positioning sleeve.
[0010] Furthermore, a detection slot is provided inside the bottom plate, and the inner diameter of the detection slot is the same as the inner diameter of the positioning sleeve.
[0011] Furthermore, a support plate with an arc-shaped structure is arranged on the outer side surface of the fixing plate, the support plate surrounds the left end portion of the machine body, and the outer side surface of the support plate is provided with anti-slip patterns.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The utility model can position and support the rebound detection device from the left end through the auxiliary support mechanism, so that the impact rod on the rebound detection device can be kept vertical to the concrete surface during detection, ensuring the standardization of the detection process, making the impact rod evenly stressed, and improving the accuracy of the concrete detection results.
[0014] 2. The utility model can make the bottom plate move following the rebound of the impact rod during detection by providing a support assembly, thereby ensuring that the bottom plate can always fit the concrete surface and improving the detection effect.
[0015] 3. The utility model plays a protective role on the rebound detection equipment by setting up an auxiliary support mechanism, which can protect the impact rod from external collision, thereby increasing the service life of the rebound detection equipment. The setting of the sliding sleeve facilitates the installation and disassembly of the auxiliary support mechanism, thereby improving convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 It is a structural schematic diagram of the auxiliary support mechanism in the utility model.
[0018] Figure 3 This is a schematic structural diagram of the auxiliary support mechanism in the utility model from another angle.
[0019] Figure 4 It is a cross-sectional view of the auxiliary support mechanism in the utility model.
[0020] In the figure: 1. impact rod; 2. auxiliary support mechanism; 21. bottom plate; 211. detection notch; 22. positioning sleeve; 221. plug-in slot; 222. pin; 23. support assembly; 231. support rod; 232. limit baffle; 233. return spring; 234. support sleeve; 235. fixing stud; 233. external hexagonal nut; 24. fixing plate; 25. sliding sleeve; 26. support plate; 3. digital display; 4. machine body. DETAILED DESCRIPTION
[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Example:
[0023] like Figures 1 to 4As shown, a rebound detection device includes a body 4, a rebound rod 1 is arranged at the left end of the body 4, a digital display 3 is arranged on the upper side of the ring surface of the rebound rod 1, and an auxiliary support mechanism 2 is arranged on the left side of the ring surface of the body 4. The auxiliary support mechanism 2 includes a base plate 21, a positioning sleeve 22, a support assembly 23, a fixed plate 24 and a sliding sleeve 25. The sliding sleeve 25 is sleeved on the left side of the ring surface of the body 4, and a fixed plate 24 with a three-quarter circle structure is fixedly arranged at the left end of the sliding sleeve 25. Positioning sleeves 22 are arranged at intervals on the left side of the fixed plate 24, and a base plate 21 with a square structure is fixedly arranged on the left side of the positioning sleeve 22. The base plate 21 is fixedly connected to the fixed plate 24 through multiple groups of support assemblies 23. This design solves the problem that the original rebound detection equipment is not provided with relevant auxiliary support structures, and manual straightening by the operator alone cannot ensure that the rebound rod 1 is always perpendicular to the concrete surface. An inclined gap is easily generated between the rebound rod 1 and the concrete surface, which will cause uneven force on the rebound rod 1 and affect the accuracy of the detection result.
[0024] In this embodiment, the support assembly 23 includes a support rod 231, a limit baffle 232, a return spring 233 and a support sleeve 234. The support sleeve 234 is arranged on the left side of the fixed plate 24. The support rod 231 is inserted into the left side of the support sleeve 234. The left end of the support rod 231 is connected to the positioning sleeve 22. The right end of the support rod 231 is fixed with a limit baffle 232. The support sleeve 234 is provided with a return spring 233, and the left end of the return spring 233 is pressed against the limit baffle. The support assembly 23 can provide a more stable and reliable support function for the positioning sleeve 22 and the bottom plate 21, ensuring a stable connection between the positioning sleeve 22 and the fixed plate 24. At the same time, the return spring 233 is provided to make the support assembly 23 have a telescopic function, so that the bottom plate 21 and the positioning sleeve 22 can move following the rebound of the impact rod 1, ensuring that the bottom plate 21 can always fit the concrete surface, thereby improving the detection effect.
[0025] It should be noted that a fixing stud 235 is fixedly disposed at the right end of the support sleeve 234, and the fixing stud 235 penetrates the fixing plate 24, and a hexagonal nut is screwed to the annular surface of the fixing stud 235. The cooperation between the fixing stud 235 and the hexagonal nut facilitates the installation and fixing of the support assembly 23, enables the support assembly 23 to be firmly connected to the fixing plate 24, and facilitates the installation and disassembly of the support assembly 23.
[0026] In this embodiment, a plug-in slot 221 is provided inside the right end surface of the positioning sleeve 22, and the left end of the support rod 231 is inserted into the plug-in slot 221. A pin 222 is provided through the connection between the support rod 231 and the positioning sleeve 22. The provided plug-in slot 221 and the pin 222 facilitate the fixed connection between the left end of the support rod 231 and the positioning sleeve 22, thereby ensuring the stability of the connection between the support rod 231 and the positioning sleeve 22, and facilitating the installation and disassembly of the support assembly 23.
[0027] In this embodiment, a detection slot 211 is provided inside the bottom plate 21, and the inner diameter of the detection slot 211 is the same as the inner diameter of the positioning sleeve 22. The detection slot 211 is provided to facilitate the left end of the impact rod 1 to be in contact with the concrete surface during detection.
[0028] In this embodiment, an arc-shaped support plate 26 is provided on the outer side of the fixing plate 24, and the support plate 26 surrounds the left end of the body 4. The outer side of the support plate 26 is provided with anti-skid patterns, which can increase the friction with the hand and improve the anti-skid property. The support plate 26 can provide a fulcrum for the operator, which is convenient for the operator to support and fix the rebound detection device during the detection, and will not interfere with the extension and contraction of the support assembly 23.
[0029] The working principle of this rebound detection equipment is as follows: in actual use, the operator holds the support plate 26 with one hand and the tail of the machine body 4 with the other hand, and then closes the bottom plate 21 tightly against the concrete surface. At this time, the impact rod 1 is vertical to the concrete surface, and the tail of the machine body 4 is pressed to compress and rebound the impact rod 1 to complete a stroke. During this process, the spring inside the machine body 4 drives the weight, and the weight hits the impact rod 1 in vertical contact with the concrete surface with constant kinetic energy, causing the local concrete to deform and absorb part of the energy, and the other part of the energy is converted into the rebound kinetic energy of the weight. When the rebound kinetic energy is completely converted into potential energy, the weight rebounds to the maximum distance, and the maximum rebound distance of the weight is displayed in the form of a rebound value through the digital display 3. At this time, the value displayed on the digital display 3 is the concrete compressive strength value, and then the reading can be recorded through the digital display 3. The digital display 3 is connected to other components inside the body through a wire. The digital display 3 is a mature product in the prior art and can be directly purchased and used from the market. It mainly consists of two parts: a digital conversion circuit and a digital display. The digital conversion circuit is responsible for converting the input digital signal into a signal that can be converted into a voltage or current output; the digital display displays the number according to the type of signal. The most common digital signal used by the digital display 3 is binary coding, which can convert the digital signal into a certain number of switch modes. Through the control of the circuit, the digital display can output corresponding numbers according to different digital signals. The specific connection between the digital display 3 and other components can be completed by technicians in the field according to the prior art. The auxiliary support mechanism 2 can be set to position and support the rebound detection device from the left end, so that the impact rod 1 on the rebound detection device can be kept vertical to the concrete surface during detection, ensuring the standardization of the detection process, making the impact rod 1 evenly stressed, and improving the accuracy of the concrete detection results. The support assembly 23 can be set to make the bottom plate 21 move following the rebound of the impact rod 1 during detection, ensuring that the bottom plate 21 can always fit the concrete surface, improving the detection effect. The auxiliary support mechanism 2 provided plays a protective role for the rebound detection device, can protect the impact rod 1 from external collision, and improve the service life of the rebound detection device. The auxiliary support mechanism 2 is convenient to install and disassemble through the provided sliding sleeve 25, thereby improving the convenience of use.
[0030] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.
Claims
1. A rebound detection device, comprising a body (4), a rebound rod (1) is arranged at the left end of the body (4), and a digital display (3) is arranged on the upper side of the ring surface of the rebound rod (1), characterized in that: An auxiliary support mechanism (2) is provided on the left side of the annular surface of the machine body (4); The auxiliary support mechanism (2) comprises a bottom plate (21), a positioning sleeve (22), a support assembly (23), a fixed plate (24) and a sliding sleeve (25); the sliding sleeve (25) is sleeved on the left side of the annular surface of the machine body (4); a fixed plate (24) with a three-quarter circular structure is fixedly arranged at the left end of the sliding sleeve (25); a positioning sleeve (22) is arranged at intervals on the left side of the fixed plate (24); a bottom plate (21) with a square structure is fixedly arranged on the left side of the positioning sleeve (22); and the bottom plate (21) is fixedly connected to the fixed plate (24) through a plurality of groups of support assemblies (23).
2. The rebound detection device according to claim 1, characterized in that: The support assembly (23) comprises a support rod (231), a limit baffle (232), a return spring (233) and a support sleeve (234); the support sleeve (234) is arranged on the left side of the fixing plate (24); the support rod (231) is inserted into the left side of the support sleeve (234); the left end of the support rod (231) is connected to the positioning sleeve (22); the right end of the support rod (231) is fixedly provided with a limit baffle (232); the return spring (233) is arranged inside the support sleeve (234), and the left end of the return spring (233) is pressed against the limit baffle.
3. The rebound detection device according to claim 2, characterized in that: A fixing stud (235) is fixedly arranged at the right end of the supporting sleeve (234), the fixing stud (235) passes through the fixing plate (24), and a hexagonal nut is threadedly connected to the annular surface of the fixing stud (235).
4. The rebound detection device according to claim 2, characterized in that: The right end surface of the positioning sleeve (22) is provided with an inserting groove (221), the left end of the support rod (231) is inserted into the inserting groove (221), and a pin (222) is provided through the connection between the support rod (231) and the positioning sleeve (22).
5. The rebound detection device according to claim 1, characterized in that: A detection notch (211) is provided inside the bottom plate (21), and the inner diameter of the detection notch (211) is the same as the inner diameter of the positioning sleeve (22).
6. The rebound detection device according to claim 1, characterized in that: The outer side surface of the fixing plate (24) is provided with a supporting plate (26) with an arc structure, the supporting plate (26) surrounds the left end portion of the machine body (4), and the outer side surface of the supporting plate (26) is provided with anti-slip patterns.