Compressive strength detection mechanism for building blocks
By designing positioning and testing components suitable for blocks of various sizes, the problems of limited applicability and low efficiency of existing detection devices have been solved, enabling automatic detection and debris removal, and improving detection efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO JIAHAN ENVIRONMENTAL PROTECTION BUILDING MATERIAL
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-24
AI Technical Summary
Existing building block compressive strength testing devices can only test blocks of specific sizes. They require cutting out blocks that exceed the standard and manual cleaning after testing, resulting in a limited scope of application and low work efficiency.
A compressive strength testing mechanism including a positioning component and a testing component was designed. The positioning frame, the clamping unit and the testing unit realize the automatic positioning and testing of multi-size blocks, and the fragments are automatically discharged to avoid manual cleaning.
It simplifies the testing process, expands the scope of application, improves work efficiency, and achieves automatic debris removal without the need for cutting, saving time and effort.
Smart Images
Figure CN224163495U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a testing mechanism for the compressive strength of building blocks. Background Technology
[0002] Building blocks are man-made block materials used for building walls or partitions. They are characterized by large volume, diverse raw materials, and flexible functions. In addition to inspecting the appearance quality, the finished building blocks must also undergo physical performance testing, such as compressive strength, flexural strength, and drying shrinkage rate.
[0003] Most existing building block compressive strength testing devices can only test building blocks of specific sizes. If the size of the building block to be tested exceeds the standard, the building block must be cut, making the testing process cumbersome and thus limiting its applicability. In addition, damaged building blocks after testing need to be manually removed and the testing device cleaned before the next test can be conducted, making it troublesome to use, time-consuming and labor-intensive, resulting in low work efficiency, and requiring further improvement. Utility Model Content
[0004] In view of the current state of the prior art, the technical problem to be solved by this utility model is to provide a compressive strength testing mechanism for building blocks that simplifies the testing steps to expand the scope of application, facilitates use to achieve time and labor saving and improve work efficiency.
[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a compressive strength testing mechanism for building blocks, characterized in that it includes a base plate and a positioning component and a testing component disposed on the top of the base plate and cooperating with each other;
[0006] The positioning assembly includes an extension frame, a positioning frame, an adjusting cylinder, and a swing arm. The extension frame is fixed on the base plate. The positioning frame is located above the extension frame. The bottom left edge of the positioning frame is rotatably connected to the top of the extension frame. The adjusting cylinder is located on the right side of the positioning frame. The fixed end of the adjusting cylinder is rotatably connected to the positioning frame. One end of the swing arm is rotatably connected to the telescopic end of the adjusting cylinder. The other end of the swing arm is rotatably connected to the right outer wall of the positioning frame.
[0007] The test assembly includes two support frames fixed on the base plate and symmetrically arranged on the front and rear sides of the heightening frame, two clamping units arranged between the support frames and both located above the positioning frame and respectively on the left and right, and a test unit arranged between the support frames, between the two clamping units, and above the positioning frame.
[0008] The positioning frame includes two vertically arranged and symmetrically distributed end plates, two vertically fixed between the two end plates and symmetrically arranged front and back, and at least one anti-fall beam horizontally fixed between the two end plates and located between the two side plates. The lower edge of one of the end plates on the left is rotatably connected to the top of the heightening frame, and the other end of the swing arm is rotatably connected to the outer wall of one of the end plates on the right.
[0009] Preferably, each of the side plates has multiple stepped grooves formed outward from the inside out along its upper edge, with the height increasing sequentially.
[0010] Preferably, the clamping unit includes a first crossbeam horizontally fixed between the support frames, a clamping cylinder fixed on the first crossbeam, and a clamping block fixed on the telescopic end of the clamping cylinder, wherein the telescopic end of the clamping cylinder is vertically downward.
[0011] Preferably, the end of the clamping block is formed with an arc surface, and multiple anti-slip protrusions are formed outward on the arc surface, arranged sequentially along the circumferential direction and all parallel to the central axis of the arc surface.
[0012] Preferably, the test unit includes a second crossbeam horizontally fixed between the support frames, a test cylinder fixed on the second crossbeam, a stress sensor fixed on the telescopic end of the test cylinder, and a conical test head vertically fixed on the sensing end of the stress sensor, wherein the telescopic end of the test cylinder is vertically downward.
[0013] Preferably, each of the stepped grooves has an inclined surface formed on its bottom surface, and the outer edge of the inclined surface is lower than its inner edge.
[0014] Preferably, each of the stepped grooves is further fixed with a horizontally arranged support beam on its outer wall, and the two ends of each support beam are respectively fixed to two end plates.
[0015] Preferably, each of the end plates has a downwardly inclined extension plate formed on its lower edge toward the other end plate, and the front and rear sides of each extension plate are fixed to the two side plates respectively.
[0016] Preferably, the top of the seat plate is also fixed with a guide trough inclined inside the lifting frame, and the higher end of the guide trough is fixed to the lower edge of one of the side plates and located below the two extension plates.
[0017] Compared with the prior art, the advantages of this utility model are as follows: This utility model can test building blocks of various sizes. It only requires selecting a suitable positioning layer and turning the direction of the building blocks as needed. Even if the size of the building blocks to be tested exceeds the standard, there is no need to cut the building blocks, thus simplifying the testing steps and expanding the scope of application. At the same time, it can automatically discharge the building block fragments that are broken during testing, and avoid the residue of debris, thus eliminating the cleaning step. This makes it convenient to use and achieves the effect of saving time and effort, thereby improving work efficiency. Attached Figure Description
[0018] The above and other features, advantages, and aspects of the embodiments of this application will become more apparent when taken in conjunction with the accompanying drawings and the following detailed description; throughout the drawings, the same or similar reference numerals denote the same or similar elements; it should be understood that the drawings are schematic, and the originals and elements are not necessarily drawn to scale; in the drawings:
[0019] Figure 1 This is an exploded view of the left front side of this utility model;
[0020] Figure 2 This is an exploded structural view of the left front side of the positioning frame of this utility model;
[0021] Figure 3 This is a structural diagram of the left front side of the test component of this utility model;
[0022] Figure 4 This is a front view of the clamping block of this utility model. Detailed Implementation
[0023] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0024] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.
[0025] like Figures 1-4 As shown, a compressive strength testing mechanism for building blocks includes a base plate 1 and a positioning component 2 and a testing component 3 disposed on the top of the base plate 1 and cooperating with each other.
[0026] The positioning assembly 2 includes an extension frame 21, a positioning frame 22, an adjusting cylinder 23, and a swing rod 24. The extension frame 21 is fixed on the base plate 1. The positioning frame 22 is located above the extension frame 21. The bottom left edge of the positioning frame 22 is rotatably connected to the top of the extension frame 21. The adjusting cylinder 23 is located to the right of the positioning frame 22. The fixed end of the adjusting cylinder 23 is rotatably connected to the positioning frame 22. One end of the swing rod 24 is rotatably connected to the telescopic end of the adjusting cylinder 23, and the other end of the swing rod 24 is rotatably connected to the right outer wall of the positioning frame 22.
[0027] The test assembly 3 includes two support frames 31 fixed on the base plate 1 and symmetrically arranged on the front and rear sides of the heightening frame 21, two clamping units 33 arranged between the support frames 31 and both located above the positioning frame 22 and respectively on the left and right, and a test unit 34 arranged between the support frames 31, between the two clamping units 33 and above the positioning frame 22.
[0028] The positioning frame 22 includes two vertically arranged and symmetrically distributed end plates 221, two vertically fixed between the two end plates 221 and symmetrically arranged front and back, and at least one anti-fall beam 223 horizontally fixed between the two end plates 221 and located between the two side plates 222. The lower edge of the left end plate 221 is rotatably connected to the top of the heightening frame 21, and the other end of the swing rod 24 is rotatably connected to the outer wall of the right end plate 221.
[0029] Each side plate 222 has multiple stepped grooves 2222 that are continuously arranged from the inside out and whose height increases sequentially on the upper edge.
[0030] The clamping unit 33 includes a first crossbeam 331 that is horizontally fixed between the support frames 31, a clamping cylinder 332 fixed on the first crossbeam 331, and a clamping block 333 fixed on the telescopic end of the clamping cylinder 332. The telescopic end of the clamping cylinder 332 is set vertically downward.
[0031] The end of the clamping block 333 has an arc surface 3331, and multiple anti-slip protrusions 3332 are formed on the arc surface 3331 outwardly, arranged sequentially along the circumferential direction and parallel to the central axis of the arc surface 3331.
[0032] The test unit 34 includes a second crossbeam 341 that is horizontally fixed between the support frames 31, a test cylinder 342 fixed on the second crossbeam 341, a stress sensor 343 fixed on the telescopic end of the test cylinder 342, and a conical test head 344 that is vertically fixed on the sensing end of the stress sensor 343. The telescopic end of the test cylinder 342 is set vertically downward.
[0033] Each stepped groove 2222 has a slope 2223 formed on its bottom surface, with the outer edge of the slope 2223 being lower than its inner edge.
[0034] Each stepped groove 2222 has a horizontally arranged support beam 224 fixed on its outer wall, and the two ends of each support beam 224 are fixed on two end plates 221 respectively.
[0035] Each end plate 221 has a downwardly inclined extension plate 2211 formed on its lower edge toward the other end plate 221. The front and rear sides of each extension plate 2211 are fixed to the two side plates 222 respectively.
[0036] The top of the seat plate 1 is also fixed with a guide trough 4 that is inclined inside the lifting frame 21. The higher end of the guide trough 4 is fixed to the lower edge of one of the side plates 222 and located below the two extension plates 2211.
[0037] Working principle:
[0038] A positioning layer with different front and rear widths is formed between the inner walls of two stepped grooves 2222 of the same height located on the two side plates 222. A positioning layer of appropriate height is selected according to the shape and size of the building block to be tested, and the building block is placed flat in the selected positioning layer. The front and rear sides of the bottom of the building block are respectively attached to the bottom surface of the two stepped grooves 2222 where the positioning layer is located. If the shape of the building block is rectangular, the two short sides of the rectangular building block should be attached to the bottom surface of the two stepped grooves 2222 where the positioning layer is located. The two long sides of the rectangular building block are spaced a certain distance from the two end plates 221.
[0039] Subsequently, the telescopic ends of the clamping cylinders 332 in each clamping unit 33 are driven to extend outward to drive each clamping block 333 to move downward until the ends of each clamping block 333 are pressed against the top outer wall of the building block, thereby completing the positioning of the building block and preventing the building block from shifting during testing; then, the telescopic ends of the test cylinders 342 in the test unit 34 are driven to extend outward to drive the conical test head 344 to move downward with the help of the stress sensor 343, thereby causing the end of the conical test head 344 to continuously press the building block. When the building block is crushed, the pressure value sensed by the stress sensor 343 is the compressive yield strength of the building block (existing technology).
[0040] After being crushed, the building blocks break into multiple small pieces and fall into the guide chute 4, where they are automatically discharged without the need for manual cleaning or collection. Furthermore, since each stepped chute 2222 has a slope 2223 on its bottom surface, the debris generated during the crushing of the building blocks does not remain on the bottom surface of the stepped chute 2222, but falls into the guide chute 4 along the slope 2223, thus eliminating the need to clean the stepped chute 2222 and allowing for immediate testing.
[0041] Meanwhile, this utility model can also detect the compressive strength of the conical test head 344 when it is not in perpendicular contact with the building block. Before the test, the telescopic end of the drive adjustment cylinder 23 retracts inward or extends outward to drive one end of the swing rod 24 to rotate. Since the bottom left edge of the positioning frame 22 is rotatably connected to the top of the heightening frame 21, the other end of the swing rod 24 drives the right side of the positioning frame 22 to gradually move upward so that the positioning frame 22 gradually tilts.
[0042] Then, the telescopic ends of the pressing cylinders 332 in each pressing unit 33 are still driven to extend outward to drive each pressing block 333 to move downward. Since the end of the pressing block 333 is set as an arc surface 3331, even if the building block in the positioning frame 22 is tilted, a part of the arc surface 3331 can still press the top outer wall of the building block. The setting of the anti-slip ridge 3332 increases the friction between the arc surface 3331 and the building block.
[0043] This invention can test building blocks of various sizes. Simply select the appropriate positioning layer and rotate the building block as needed. Even if the size of the building block to be tested exceeds the standard, there is no need to cut the building block, thus simplifying the testing steps and expanding the scope of application. At the same time, it can automatically discharge the building block fragments that are broken during testing, avoiding debris residue and eliminating the cleaning step, thus making it convenient to use and achieving the effect of saving time and effort, thereby improving work efficiency.
[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A compressive strength testing mechanism for building blocks, characterized in that, Includes a base plate and positioning and testing components located on top of the base plate and cooperating with each other; The positioning assembly includes an extension frame, a positioning frame, an adjusting cylinder, and a swing arm. The extension frame is fixed on the base plate. The positioning frame is located above the extension frame. The bottom left edge of the positioning frame is rotatably connected to the top of the extension frame. The adjusting cylinder is located on the right side of the positioning frame. The fixed end of the adjusting cylinder is rotatably connected to the positioning frame. One end of the swing arm is rotatably connected to the telescopic end of the adjusting cylinder. The other end of the swing arm is rotatably connected to the right outer wall of the positioning frame. The test assembly includes two support frames fixed on the base plate and symmetrically arranged on the front and rear sides of the heightening frame, two clamping units arranged between the support frames and both located above the positioning frame and respectively on the left and right, and a test unit arranged between the support frames, between the two clamping units, and above the positioning frame. The positioning frame includes two vertically arranged and symmetrically distributed end plates, two vertically fixed between the two end plates and symmetrically arranged front and back, and at least one anti-fall beam horizontally fixed between the two end plates and located between the two side plates. The lower edge of one of the end plates on the left is rotatably connected to the top of the heightening frame, and the other end of the swing arm is rotatably connected to the outer wall of one of the end plates on the right.
2. The compressive strength testing mechanism for building blocks according to claim 1, characterized in that, Each of the side plates has multiple stepped grooves formed outward from the inside out, with the height increasing sequentially.
3. The compressive strength testing mechanism for building blocks according to claim 1, characterized in that, The clamping unit includes a first crossbeam horizontally fixed between the support frames, a clamping cylinder fixed on the first crossbeam, and a clamping block fixed on the telescopic end of the clamping cylinder, wherein the telescopic end of the clamping cylinder is vertically downward.
4. The compressive strength testing mechanism for building blocks according to claim 3, characterized in that, The end of the clamping block is formed with an arc surface, and multiple anti-slip protrusions are formed outward on the arc surface, arranged sequentially along the circumferential direction and all parallel to the central axis of the arc surface.
5. The compressive strength testing mechanism for building blocks according to claim 1, characterized in that, The test unit includes a second crossbeam horizontally fixed between the support frames, a test cylinder fixed on the second crossbeam, a stress sensor fixed on the telescopic end of the test cylinder, and a conical test head vertically fixed on the sensing end of the stress sensor. The telescopic end of the test cylinder is set vertically downward.
6. The compressive strength testing mechanism for building blocks according to claim 2, characterized in that, Each of the stepped grooves has a slope formed on its bottom surface, with the outer edge of the slope being lower than its inner edge.
7. The compressive strength testing mechanism for building blocks according to claim 2, characterized in that, Each of the stepped grooves also has a horizontally arranged support beam fixed on its outer wall, and the two ends of each support beam are fixed to two end plates respectively.
8. The compressive strength testing mechanism for building blocks according to claim 1, characterized in that, Each of the end plates has a downwardly inclined extension plate formed on its lower edge toward the other end plate, and the front and rear sides of each extension plate are fixed to the two side plates respectively.
9. The compressive strength testing mechanism for building blocks according to claim 8, characterized in that, The top of the seat plate is also fixed with a guide trough that is inclined inside the heightening frame. The higher end of the guide trough is fixed to the lower edge of one of the side plates and located below the two extension plates.