Adjusting mechanism for concrete brick testing equipment
By introducing lateral and height adjustment mechanisms into the concrete brick testing equipment, precise alignment and adaptive adjustment of the second pressure plate were achieved, solving the problem of uneven stress on the sample, improving the reliability of test results and the applicability of the equipment, and extending the equipment's lifespan.
Patent Information
- Application Number
- CN202423206851.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The pressure plate of existing concrete brick testing equipment lacks adjustment function, resulting in uneven stress on the sample, poor stability and repeatability of test results, and susceptibility to changes in external conditions and equipment status.
An adjustment mechanism including a lateral adjustment mechanism and a height adjustment mechanism was designed. The lateral adjustment mechanism enables precise alignment of the second pressure plate with the first pressure plate, while the height adjustment mechanism adapts to samples of different thicknesses, ensuring uniform force distribution and equipment accuracy.
It improves the reliability and repeatability of test results, enhances the applicability of the equipment to samples of various specifications, extends the service life of the equipment, and ensures the stability and consistency of test conditions.
Smart Images
Figure CN223926154U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to concrete test technical field especially, it is related to a kind of adjusting mechanism for concrete brick testing equipment. BACKGROUND
[0002] Concrete brick testing equipment is mainly used for the physical and mechanical properties of concrete bricks to evaluate whether the quality of brick meets national or industry standards. The function of the pressure testing machine is to test the compressive strength of concrete bricks. Assess the ultimate strength of the brick when subjected to vertical pressure. Ensure that the brick meets the load-bearing requirements of the building structure. Verify product performance by simulating real stress environment. Because the test equipment pressure plate in the related art does not have an adjusting function, the test sample is unevenly stressed, and the test results deviate from the actual situation. In different sample tests, the stability and repeatability of the results are poor due to the inability to adjust the conditions. Errors may occur during the test process due to changes in external conditions or equipment status, but cannot be compensated by adjusting function. SUMMARY
[0003] Therefore, the utility model aims to at least solve one of the problems in the related art to some extent.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] An adjusting mechanism for concrete brick testing equipment, comprising a first pressure plate, a second pressure plate, a lateral adjusting mechanism, a height adjusting mechanism, and a punch connecting structure;
[0006] The upper end surface of the first pressure plate is connected to the second pressure plate through the lateral adjusting mechanism, and the upper end surface of the second pressure plate is connected to the punch connecting structure through the height adjusting mechanism;
[0007] The lateral adjusting mechanism includes an adjusting plate, a lateral movement mechanism, two sliding guide structures, and four locking mechanisms. The adjusting plate is slidably connected to the second pressure plate through the two sliding guide structures. The lateral movement mechanism is used to realize the lateral movement of the second pressure plate relative to the adjusting plate. The four locking mechanisms are evenly distributed on the adjusting plate. The locking mechanism is used to realize the connection and fixation between the adjusting plate and the first pressure plate.
[0008] Further, the lateral movement mechanism includes a lateral movement screw, an adjusting knob, and two bearing seats. The two bearing seats are symmetrically arranged on the upper end surface of the adjusting plate. The lateral movement screw is rotatably connected to the two bearing seats. The adjusting knob is arranged at the end of the lateral movement screw. The lateral movement screw is threadedly connected to the middle part of the second pressure plate.
[0009] Further, the sliding guide structure comprises a plurality of sliding grooves and a plurality of guide blocks, the plurality of sliding grooves are symmetrically arranged on the adjusting plate, one guide block is arranged in each sliding groove, and the guide block is connected with the lower end surface of the second pressing plate.
[0010] Further, the locking mechanism comprises a locking bolt and a locking nut, the locking bolt penetrates the adjusting plate and is connected with the thickened base of the first pressing plate, and the locking bolt is connected and fixed with the adjusting plate through the locking nut.
[0011] Further, the height adjusting mechanism comprises two adjustable support mechanisms, the two adjustable support mechanisms are symmetrically arranged between the punch connecting structure and the second pressing plate, one end of the adjustable support mechanism is connected with the punch connecting structure, and the other end of the adjustable support mechanism is connected with the second pressing plate.
[0012] Further, the adjustable support mechanism comprises a screw rod adjusting structure and two elastic guide structures, the two elastic guide structures are symmetrically arranged on the two sides of the screw rod adjusting structure, the screw rod adjusting structure and the elastic guide structure are connected with the punch connecting structure at the top, and the screw rod adjusting structure and the elastic guide structure are connected with the second pressing plate at the bottom.
[0013] Further, the screw rod adjusting structure comprises an adjusting screw rod and an adjusting block, the upper part of the adjusting screw rod is threadedly connected with the punch connecting structure, the adjusting block is arranged on the lower part of the adjusting screw rod, and the bottom of the adjusting screw rod is rotationally connected with the second pressing plate through a rotating sleeve.
[0014] Further, the elastic guide structure comprises a guide rod and a buffer spring, the buffer spring is arranged on the guide rod, the bottom of the guide rod is connected with the second pressing plate through a fixing sleeve, the top of the guide rod is provided with a limiting nut, the upper part of the guide rod is slidably connected with the punch connecting structure, and the buffer spring is arranged between the punch connecting structure and the second pressing plate.
[0015] Further, the punch connecting structure comprises a connecting flange, a push plate and two push rods, the connecting flange is arranged in the middle of the push plate, the two push rods are symmetrically arranged at the front and rear ends of the push plate, the left and right ends of each push rod are slidably connected with a guide rod, and the middle of the push rod is threadedly connected with the adjusting screw rod.
[0016] Further, the sliding guide structure further comprises two parallel guide rails, the two guide rails are symmetrically arranged on the upper end surface of the adjusting plate, and the second pressing plate is slidably connected with the adjusting plate through the guide rails.
[0017] The adjusting mechanism for the concrete brick testing equipment has the following advantages relative to the prior art:
[0018] 1. The position of the second pressing plate can be finely adjusted by the transverse adjusting mechanism, so that the center of the second pressing plate is accurately aligned with the center of the first pressing plate. The uniform stress on the sample during testing is ensured, and uneven stress caused by the deviation of the position of the pressing plate is avoided. The reliability and repeatability of the test results are improved, and in particular in the compression strength test, the scientific nature of the data is ensured.
[0019] 2. The height adjusting mechanism can flexibly adjust the distance between the second pressing plate and the punch, so as to adapt to samples of different thicknesses. The applicability of the equipment to samples of various specifications is enhanced, and the pressing plate or the position of the sample does not need to be replaced or adjusted. It is ensured that the pressing plate is in good contact with the surface of the sample, and uneven stress or test data deviation caused by the difference in thickness of the sample is avoided. The height adjusting mechanism can compensate for the height deviation of the equipment caused by long-term use or manufacturing errors by dynamically adjusting the position of the pressing plate. It is ensured that the equipment always maintains high precision in different states, prolongs the service life of the equipment, avoids error accumulation caused by wear and tear, and ensures the stability and consistency of the test conditions. BRIEF DESCRIPTION OF DRAWINGS
[0020] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this application. The embodiments of these drawings illustrate one or more aspects of the present application and, together with their description, serve to explain the present application. In the drawings:
[0021] Figure 1 A schematic view of the adjusting mechanism for the concrete brick testing equipment according to the embodiments of the present application;
[0022] Figure 2 A schematic view of the height adjusting mechanism according to the embodiments of the present application;
[0023] Figure 3 A schematic view of the sliding guide structure according to the embodiments of the present application;
[0024] Figure 4 A schematic view of the punch connecting structure according to the embodiments of the present application.
[0025] Explanation of reference signs:
[0026] 101, second pressing plate; 201, adjusting plate; 202, locking bolt; 203, bearing seat; 301, first pressing plate; 302, thickened base; 401, fixed sleeve; 402, buffer spring; 403, limiting nut; 501, adjusting screw; 502, rotating sleeve; 503, push rod; 601, connecting flange; 701, sliding groove; 702, guide slider. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0028] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0029] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" 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 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 through specific circumstances.
[0030] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0031] An adjusting mechanism for concrete brick testing equipment, as shown in Figure 1 The upper end face of the first pressing plate 301 is connected with the second pressing plate 101 through the transverse adjusting mechanism, and the upper end face of the second pressing plate 101 is connected with the punch connecting structure through the height adjusting mechanism.
[0032] The lateral adjustment mechanism includes an adjustment plate 201, a lateral movement mechanism, two sliding guide structures, and four locking mechanisms. The adjustment plate 201 slides with the second pressure plate 101 through the two sliding guide structures. The lateral movement mechanism enables the second pressure plate 101 to move laterally relative to the adjustment plate 201. The four locking mechanisms are evenly distributed on the adjustment plate 201, and are used to connect and fix the adjustment plate 201 to the first pressure plate 301. The locking mechanism includes a locking bolt 202 and a locking nut. The locking bolt 202 passes through the adjustment plate 201 and connects to the thickened base 302 of the first pressure plate 301. The locking bolt 202 and the locking nut fix the first pressure plate 301 to the adjustment plate 201. The lateral adjustment mechanism allows for fine-tuning of the position of the second pressure plate 101, ensuring precise alignment with the center of the first pressure plate 301. This ensures uniform force on the sample during testing and avoids uneven force due to pressure plate position deviation. Improving the reliability and repeatability of test results, especially in compressive strength testing, ensures the scientific validity of the data.
[0033] The transverse movement mechanism includes a transverse movement screw, an adjustment knob, and two bearing seats 203. The two bearing seats 203 are symmetrically arranged on the upper end face of the adjustment plate 201. The transverse movement screw is rotatably engaged with the two bearing seats 203. The adjustment knob is located at the end of the transverse movement screw. The transverse movement screw is threadedly engaged with the middle part of the second pressure plate 101.
[0034] like Figure 3 As shown, the sliding guide structure includes multiple sliding grooves 701 and multiple guide sliders 702. The multiple sliding grooves 701 are symmetrically arranged on the adjusting plate 201, and each sliding groove 701 has a corresponding guide slider 702. The guide slider 702 is connected to the lower end face of the second pressure plate 101. The sliding guide structure also includes two parallel guide rails, which are symmetrically arranged on the upper end face of the adjusting plate 201. The second pressure plate 101 slides in conjunction with the adjusting plate 201 through the guide rails.
[0035] The height adjustment mechanism includes two adjustable support mechanisms symmetrically positioned between the punch connecting structure and the second pressure plate 101. One end of each adjustable support mechanism is connected to the punch connecting structure, and the other end is connected to the second pressure plate 101. This height adjustment mechanism allows for flexible adjustment of the distance between the second pressure plate 101 and the punch to accommodate samples of varying thicknesses. This enhances the equipment's applicability to various sample sizes without requiring pressure plate replacement or sample position adjustments. It ensures good contact between the pressure plate and the sample surface, preventing uneven stress or test data deviations caused by variations in sample thickness. The height adjustment mechanism can dynamically adjust the pressure plate position to compensate for height deviations caused by long-term use or manufacturing errors. This ensures the equipment maintains high-precision operation under different conditions, extending its service life. It also prevents error accumulation due to wear, ensuring the stability and consistency of testing conditions.
[0036] The adjustable supporting mechanism comprises a screw adjusting structure and two elastic guiding structures, the two elastic guiding structures are symmetrically arranged on the two sides of the screw adjusting structure, the screw adjusting structure and the elastic guiding structure are connected with the punch connecting structure at the top, and the screw adjusting structure and the elastic guiding structure are connected with the second pressing plate 101 at the bottom.
[0037] The screw adjusting structure adjusts the screw rod 501 and an adjusting block, the upper part of the screw rod 501 is threadedly connected with the punch connecting structure, the adjusting block is arranged on the lower part of the screw rod 501, and the bottom of the screw rod 501 is rotationally connected with the second pressing plate 101 through the rotating sleeve 502.
[0038] As shown in Figure 2 The elastic guiding structure comprises a guiding rod and a buffer spring 402, the buffer spring 402 is arranged on the guiding rod, the bottom of the guiding rod is connected with the second pressing plate 101 through the fixing sleeve 401, the top of the guiding rod is provided with a limiting nut 403, the upper part of the guiding rod is slidably connected with the punch connecting structure, and the buffer spring 402 is arranged between the punch connecting structure and the second pressing plate 101.
[0039] As shown in Figure 4 The punch connecting structure comprises a connecting flange 601, a push plate and two push rods 503, the connecting flange 601 is arranged in the middle of the push plate, the two push rods 503 are symmetrically arranged at the front and rear ends of the push plate, the left and right ends of each push rod 503 are slidably connected with a guiding rod, and the middle of the push rod 503 is threadedly connected with the adjusting screw rod 501.
[0040] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An adjustment mechanism for a concrete brick testing device, characterized in that: It includes a first pressure plate (301), a second pressure plate (101), a lateral adjustment mechanism, a height adjustment mechanism, and a punch connection structure; The upper surface of the first pressure plate (301) is connected to the second pressure plate (101) through the lateral adjustment mechanism, and the upper surface of the second pressure plate (101) is connected to the punch connection structure through the height adjustment mechanism. The lateral adjustment mechanism includes an adjustment plate (201), a lateral movement mechanism, two sliding guide structures and four locking mechanisms. The adjustment plate (201) slides with the second pressure plate (101) through the two sliding guide structures. The lateral movement mechanism is used to realize the lateral movement of the second pressure plate (101) relative to the adjustment plate (201). The four locking mechanisms are evenly distributed on the adjustment plate (201). The locking mechanisms are used to realize the connection and fixation between the adjustment plate (201) and the first pressure plate (301).
2. The adjusting mechanism for a concrete brick testing device according to claim 1, characterized in that: The transverse movement mechanism includes a transverse movement screw, an adjustment knob, and two bearing seats (203). The two bearing seats (203) are symmetrically arranged on the upper end face of the adjustment plate (201). The transverse movement screw is rotatably engaged with the two bearing seats (203). The adjustment knob is located at the end of the transverse movement screw. The transverse movement screw is threadedly engaged with the middle part of the second pressure plate (101).
3. The adjusting mechanism for a concrete brick testing device according to claim 1, characterized in that: The sliding guide structure includes multiple slide grooves (701) and multiple guide sliders (702). The multiple slide grooves (701) are symmetrically arranged on the adjusting plate (201). Each slide groove (701) is provided with a corresponding guide slider (702). The guide slider (702) is connected to the lower end face of the second pressure plate (101).
4. The adjustment mechanism for a concrete brick testing device according to claim 1, characterized in that: The locking mechanism includes a locking bolt (202) and a locking nut. The locking bolt (202) passes through the adjusting plate (201) and is connected to the thickened base (302) of the first pressure plate (301). The locking bolt (202) and the adjusting plate (201) are connected and fixed by the locking nut.
5. An adjustment mechanism for a concrete brick testing device according to any one of claims 1-4, characterized in that: The height adjustment mechanism includes two adjustable support mechanisms, which are symmetrically arranged between the punch connecting structure and the second pressure plate (101). One end of each adjustable support mechanism is connected to the punch connecting structure, and the other end is connected to the second pressure plate (101).
6. The adjusting mechanism for a concrete brick testing device according to claim 5, characterized in that: The adjustable support mechanism includes a screw adjustment structure and two elastic guide structures. The two elastic guide structures are symmetrically arranged on both sides of the screw adjustment structure. The top of the screw adjustment structure and the elastic guide structure are connected to the punch connection structure, and the bottom of the screw adjustment structure and the elastic guide structure are connected to the second pressure plate (101).
7. The adjusting mechanism for a concrete brick testing device according to claim 6, characterized in that: The screw adjustment structure includes an adjusting screw (501) and an adjusting block. The upper part of the adjusting screw (501) is threadedly engaged with the punch connection structure. The adjusting block is located at the lower part of the adjusting screw (501). The bottom of the adjusting screw (501) is rotatably connected to the second pressure plate (101) through a rotating sleeve (502).
8. The adjusting mechanism for a concrete brick testing device according to claim 7, characterized in that: The elastic guide structure includes a guide rod and a buffer spring (402). The buffer spring (402) is disposed on the guide rod. The bottom of the guide rod is connected to the second pressure plate (101) through a fixed sleeve (401). The top of the guide rod is provided with a limiting nut (403). The upper part of the guide rod is slidably engaged with the punch connection structure. The buffer spring (402) is disposed between the punch connection structure and the second pressure plate (101).
9. The adjusting mechanism for a concrete brick testing device according to claim 8, characterized in that: The punch connection structure includes a connecting flange (601), a push plate, and two push rods (503). The connecting flange (601) is located in the middle of the push plate, and the two push rods (503) are symmetrically arranged at the front and rear ends of the push plate. The left and right ends of each push rod (503) are slidably engaged with a guide rod, and the middle part of the push rod (503) is threadedly engaged with the adjusting screw (501).
10. The adjusting mechanism for a concrete brick testing device according to claim 3, characterized in that: The sliding guide structure also includes two parallel guide rails, which are symmetrically arranged on the upper surface of the adjusting plate (201). The second pressure plate (101) slides in cooperation with the adjusting plate (201) through the guide rails.