A preparation device of curbstone compression resistance test piece

Abstract

The utility model discloses a kind of preparation devices of curbstone compression resistance test piece, it is characterized by: including operation platform;Adjusting mechanism, movably set in operation platform;Driving mechanism is connected with adjusting mechanism, and can be moved with adjusting mechanism to adjust driving position;Cutting mechanism is connected with driving mechanism, is configured as when driving mechanism starts, cutting mechanism cuts piece to be cut;Driving mechanism and cutting mechanism constitute cutting assembly, and cutting assembly quantity is two, and respectively connect on the symmetrical position of adjusting mechanism, while the cutting surface of two cutting mechanisms is mutually parallel, when two driving mechanisms are moved respectively with adjusting mechanism adjustment, the distance between two cutting mechanisms is synchronously adjusted.The preparation device of the utility model adopts the novel cutting equipment of double cutting piece, can effectively guarantee the neatness of test piece size, improve the stability, accuracy of curbstone compression test result.

Description

Technical Field

[0001] This utility model relates to the field of preparation device technology, and in particular to a preparation device for curbstone compression test specimens. Background Technology

[0002] According to JC / T899-2016 "Concrete Curbstones," the compressive strength test specimen for curbstones is "a 100mm × 100mm × 100mm sample cut from a portion within 20mm of the end face and top face of the curbstone. The surface perpendicular to the direction of curbstone forming and feeding is used as the bearing surface. The two bearing surfaces of the specimen should be parallel and flat." Clearly, the surface flatness of the specimen has a significant impact on the compressive strength test of curbstones. Existing cutting instruments use single-blade cutting discs, making it difficult to guarantee that the bearing surfaces of the curbstone compressive strength test specimens are perpendicular and flat.

[0003] JC / T899-2016, "Concrete Curbstones," specifies methods for handling uneven curbstone surfaces: "The bearing surface should be ground smooth or leveled with cement slurry or other leveling materials. The leveling layer thickness should not exceed 5 μm, and it should be cured for 3 days. The surface adjacent to the bearing surface should be perpendicular to the bearing surface." Using machine grinding or leveling materials requires secondary processing, increasing labor costs and extending the testing period due to the curing time (not less than 3 days). Utility Model Content

[0004] The technical problem solved by this utility model is that both machine grinding and leveling materials require secondary processing, which not only increases labor costs, but is also affected by the curing time of the leveling material, resulting in an increased test cycle.

[0005] To solve the above-mentioned technical problems, the present invention provides a device for preparing curbstone compressive strength specimens, characterized in that it includes:

[0006] Control panel;

[0007] The adjustment mechanism is movably and concealed within the control panel;

[0008] A drive mechanism is connected to the adjustment mechanism and can move with the adjustment mechanism to adjust the drive position;

[0009] A cutting mechanism, connected to the drive mechanism, is configured to cut the workpiece to be cut when the drive mechanism is activated; wherein...

[0010] The driving mechanism and the cutting mechanism constitute a cutting assembly. There are two cutting assemblies, which are respectively connected to the symmetrical positions of the adjusting mechanism. The cutting surfaces of the two cutting mechanisms are parallel to each other. When the two driving mechanisms move and adjust with the adjusting mechanism, the distance between the two cutting mechanisms is adjusted synchronously.

[0011] Optionally, the operating table has a flat upper surface, the drive mechanism is located below the operating table, and the cutting mechanism partially passes through the operating table and protrudes from the upper surface of the operating table.

[0012] Optionally, the adjustment mechanism includes a roller rotatably connected to the operating table and configured to be connected to an external rotation source and rotate when the rotation source is activated.

[0013] Optionally, the drive mechanism includes a motor configured to be connected to the roller via a nut to form a lead screw structure, and the two motors are respectively connected to a power source. When the roller rotates, the motor is controlled to move forward or backward along the axial direction of the roller.

[0014] Optionally, the two motors can operate individually or simultaneously.

[0015] Optionally, the helical direction of the surface thread of the roller rotates in opposite directions from the midpoint of its length to both sides, so that when the roller rotates, the two motors move closer to or further away from each other.

[0016] Optionally, the cutting mechanism includes a cutting saw blade that passes through the operating table and protrudes from the upper surface of the operating table.

[0017] Optionally, when the two motors move closer or further apart, the two cutting saw blades move closer or further apart simultaneously.

[0018] Optionally, the initial distance between the two cutting saw blades is 100 mm.

[0019] Optionally, the cutting saw blade is perpendicular to the upper surface of the operating table.

[0020] The beneficial effects of this utility model's technical solution are:

[0021] The preparation device of this utility model addresses the problem that existing cutting instruments use single-blade cutting instruments, which cannot guarantee that the bearing surfaces of the curbstone compressive strength test specimens are perpendicular and flat. The new cutting equipment with double cutting blades can effectively ensure the regularity of the specimen size and improve the stability and accuracy of the curbstone compressive strength test results. Attached Figure Description

[0022] Figure 1 This is a front view of the preparation apparatus in an embodiment of this utility model;

[0023] Figure 2 This is a side-bottom top view of the preparation device in an embodiment of this utility model.

[0024] In the attached diagram: 1. Roller; 2. Operating table; 3. Motor; 4. Cutting saw blade; 21. Cutting blade kerf; 22. Joint between the left and right operating tables. Detailed implementation method:

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] Please see Figure 1 and Figure 2 The diagram illustrates an apparatus for preparing curbstone compression test specimens according to an embodiment. The apparatus includes: an operating table 2; an adjustment mechanism movably and concealably disposed within the operating table 2; a drive mechanism connected to the adjustment mechanism and movable with the adjustment mechanism to adjust the drive position; and a cutting mechanism connected to the drive mechanism, configured to cut the specimen when the drive mechanism is activated. The drive mechanism and the cutting mechanism constitute a cutting assembly, consisting of two components connected symmetrically to the adjustment mechanism. The cutting surfaces of the two cutting mechanisms are parallel to each other, and the distance between the two cutting mechanisms is synchronously adjusted as the two drive mechanisms move with the adjustment mechanism.

[0031] In this embodiment, the operating table 2 has a flat upper surface, the driving mechanism is located below the operating table 2, and the cutting mechanism part passes through the operating table 2 and through the cutting nozzle 21 (e.g., Figure 2 (As shown) It is exposed on the upper surface of the operating table 2.

[0032] In this embodiment, the adjustment mechanism includes a roller 1, which is rotatably connected to the operating table 2 and configured to be connected to an external rotation source and rotate when the rotation source is started.

[0033] In this embodiment, the drive mechanism includes a motor 3, which is configured to be connected to the roller 1 via a nut to form a lead screw structure. The two motors 3 are respectively connected to a power source. When the roller 1 rotates, the motor 3 is controlled to move forward or backward along the axial direction of the roller 1.

[0034] In this embodiment, the two motors 3 can operate independently or simultaneously.

[0035] In this embodiment, the helical direction of the surface thread of the roller 1 rotates in opposite directions from the midpoint of its length to both sides, so that when the roller 1 rotates, the two motors 3 move closer or further apart from each other.

[0036] In this embodiment, the cutting mechanism includes a cutting saw blade 4, which passes through the cutting blade opening 21 of the operating table 2 and protrudes from the upper surface of the operating table 2.

[0037] In this embodiment, when the two motors 3 move closer or further away from each other, the two cutting saw blades 4 move closer or further away simultaneously.

[0038] In this embodiment, the initial distance between the two cutting saw blades 4 is 100mm.

[0039] In this embodiment, the cutting saw blade 4 is perpendicular to the upper surface of the operating table 2.

[0040] The following description will further illustrate the characteristics and functions of this utility model.

[0041] This embodiment describes a device for preparing curbstone compressive strength test specimens: it consists of two cutting instruments that can work individually or simultaneously, and a concealed telescopic operating table. Detailed construction is shown in the attached figure. Figure 1 Appendix Figure 2 As shown, it has the advantages of being fast, efficient, precise, and having an adjustable cutting distance. The actual operation is as follows.

[0042] (1) Place the preparation device horizontally and place the curbstone (not shown, i.e. the part to be cut) on the operating table 2;

[0043] (2) Start the single cutting saw instrument (i.e., motor 3 and cutting saw blade 4) to cut off 20mm of the surface layer of the curbstone. During the cutting process, ensure that the curbstone is in close contact with the flat and smooth operating table 2 and that the cutting surfaces are perpendicular to each other.

[0044] (3) Place the curbstone with the surface removed horizontally on the operating table 2, start the two cutting instruments. The curbstone should be longer than 100mm. During the cutting process, ensure that the curbstone is in close contact with the flat and smooth operating table 2. This can effectively ensure that the two cutting surfaces are parallel to each other and perpendicular to the operating table.

[0045] (4) Following the operation method in (3), four other planes were obtained to obtain 100mm×100mm×100mm samples that meet the requirements of JC / T899-2016 "Concrete Curbstone".

[0046] (5) If other cutting sizes (≥100mm) of curb stones are required, the operating table 2 can be stretched to both sides with the joint 22 of the left and right operating tables as the center through the roller 1, and the distance between the two cutting blades 4 can be adjusted to the required specimen size. Then repeat the operation of (3).

[0047] In summary, the preparation device of this utility model addresses the limitations of existing cutting instruments with single-blade cutting blades, which make it difficult to ensure that the bearing surfaces of curbstone compressive strength test specimens are perpendicular and flat. The new cutting equipment with double cutting blades can effectively ensure the regularity of specimen dimensions and improve the stability and accuracy of curbstone compressive strength test results.

[0048] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for preparing a curbstone compressive strength specimen, characterized in that: include: Control panel; The adjustment mechanism is movably and concealed within the control panel; A drive mechanism is connected to the adjustment mechanism and can move with the adjustment mechanism to adjust the drive position; A cutting mechanism, connected to the drive mechanism, is configured to cut the workpiece to be cut when the drive mechanism is activated; in The driving mechanism and the cutting mechanism constitute a cutting assembly. There are two cutting assemblies, which are respectively connected to the symmetrical positions of the adjusting mechanism. The cutting surfaces of the two cutting mechanisms are parallel to each other. When the two driving mechanisms move and adjust with the adjusting mechanism, the distance between the two cutting mechanisms is adjusted synchronously.

2. The preparation apparatus according to claim 1, characterized in that, The operating table has a flat upper surface, the drive mechanism is located below the operating table, and the cutting mechanism partially passes through the operating table and protrudes from the upper surface of the operating table.

3. The preparation apparatus according to claim 2, characterized in that, The adjustment mechanism includes a roller rotatably connected to the operating table and configured to be connected to an external rotation source and rotate when the rotation source is activated.

4. The preparation apparatus according to claim 3, characterized in that, The drive mechanism includes a motor configured to be connected to the roller via a nut to form a lead screw structure, and the two motors are respectively connected to a power source. When the roller rotates, the motor is controlled to move forward or backward along the axial direction of the roller.

5. The preparation apparatus according to claim 4, characterized in that, The two motors can operate independently or simultaneously.

6. The preparation apparatus according to claim 5, characterized in that, The surface threads of the roller rotate in opposite directions from the midpoint of its length to both sides, so that when the roller rotates, the two motors move closer to or further away from each other.

7. The preparation apparatus according to claim 6, characterized in that, The cutting mechanism includes a cutting saw blade that passes through the operating table and protrudes from the upper surface of the operating table.

8. The preparation apparatus according to claim 7, characterized in that, When the two motors move closer to or further away from each other, the two cutting saw blades move closer to or further away simultaneously.

9. The preparation apparatus according to claim 8, characterized in that, The initial distance between the two cutting saw blades is 100mm.

10. The preparation apparatus according to claim 9, characterized in that, The cutting saw blade is perpendicular to the upper surface of the operating table.

Images