Column specimen fixture and processing equipment
By designing a cylinder test piece fixture including a compression assembly, a rotating table, a load table, a leveling assembly and a rotating assembly, the problem of inaccurate cutting of the cylinder test piece in the prior art is solved, and the stability of the test piece and multi-angle adjustment are achieved, ensuring that the accuracy and angle of the test piece meet the experimental requirements.
Patent Information
- Application Number
- CN202421477677.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The prior art is difficult to accurately cut the cylindrical test piece in tests such as dynamic modulus and creep of asphalt mixture, resulting in large shaking of the test piece and inaccurate test results. The existing processing methods are time-consuming and labor-intensive and have poor results.
A cylinder test piece fixture including a compression assembly, a rotating table, a load table, a leveling assembly and a rotating assembly is designed. Through the cooperation of the leveling assembly and the rotating assembly, the test piece is stable and fixed and multi-angle adjustment are achieved to ensure the stability and accuracy of the test piece during the cutting process.
Through this fixture, the columnar specimens can be effectively fixed, with high limit accuracy and meet the requirements of specimens at different angles, ensuring that the accuracy of the specimens after cutting meets the specification requirements, and the angle of the specimens can also meet the special experimental requirements.
Smart Images
Figure CN222726833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a clamp and processing equipment, in particular to a column test piece clamp and processing equipment. Background Art
[0002] At present, the specification requires that the specimens used in the dynamic modulus and creep tests of asphalt mixtures be cylindrical. The specimens required for these tests generally have strict size requirements - the dimensional deviation of the cylindrical specimens at both ends is controlled within 0.5mm, and the specimen surface is required to be smooth and the end face is flat. In order to ensure the accuracy and repeatability of the test, the cutting of the test specimens is particularly important. When the cutting machine is used to flatten the two ends of the asphalt mixture specimen, the deviation of the cut surface of the manufactured specimen is difficult to control within 0.5mm, resulting in large shaking of the specimen during the dynamic load test and inaccurate test results.
[0003] The existing effective treatment method is to use a grinder to repeatedly grind the uneven parts of the specimen after cutting until the requirements are met. However, this method is not only time-consuming and labor-intensive, but also has poor results. The specimens produced are difficult to meet the requirements of the test specifications.
[0004] The specimens required for special tests may have requirements on the specimen angle, which cannot be met by the current existing processing methods. Utility Model Content
[0005] Purpose of the utility model: The purpose of the utility model is to provide a cylindrical specimen fixture that can effectively fix cylindrical specimens and has high limiting accuracy;
[0006] The second object of the utility model is to provide a processing device using the cylindrical specimen fixture.
[0007] Technical solution: The column specimen fixture described in the utility model includes a clamping assembly, a rotating table, a bearing platform, a leveling assembly and a rotating assembly; the clamping assembly is provided with a clamping groove for fixing the column specimen, the clamping assembly can be detachably fixed on the top of the rotating table, a bearing platform connected to the rotating table is provided below the rotating table, a leveling assembly for adjusting the angle of the bearing platform so that the bearing platform is perpendicular to the cutting machine module is provided below the bearing platform, and the angle change of the bearing platform can drive the angle change of the rotating table; a rotating assembly for controlling the rotation of the rotating table is provided below the rotating table, and the rotating assembly can adjust the angle of the column specimen through the rotating table.
[0008] Preferably, the leveling assembly includes a base located below the supporting platform, with a bolt fixed on the base, the top of the bolt being connected to the supporting platform via a universal hinge, and the bottom of the bolt passing through the base is fixed with a wheel for rotating the bolt; a plurality of bolts and wheels are provided on the base at different positions at the bottom of the supporting platform, and the corresponding bolts are driven to rotate by rotating different wheels, thereby adjusting the angle between the supporting platform and the rotating table at the top of the bolt and the base.
[0009] Preferably, the leveling assembly also includes a laser component that can detect the verticality of the support platform and the cutting machine module. The laser component is arranged on the side of the support platform close to the cutting machine module. The laser component can emit two mutually perpendicular laser beams, wherein the transverse laser is parallel to the support platform, and the longitudinal laser is parallel to the cutting machine module.
[0010] Preferably, the rotating assembly includes a support rod, one end of which is connected to the rotating table via a cross universal joint, and the other end of the support rod passes through an eccentric wheel locking device, which is used to lock the support rod to fix the rotating table to achieve different angle adjustments.
[0011] Preferably, the clamping assembly is fixed to the top of the rotating table through a mortise and tenon assembly.
[0012] Preferably, the clamping assembly includes an upper clamping assembly and a lower clamping assembly, the lower clamping assembly is provided with a first groove for placing the cylindrical specimen; the upper clamping assembly is provided with a second groove adapted to the first groove; the first groove and the second groove together form a clamping groove to fix the cylindrical specimen; the mortise and tenon assembly is respectively integrated with the rotating table and the lower clamping assembly, and the rotating table and the lower clamping member are connected and fixed by the mortise and tenon assembly.
[0013] Preferably, the shapes and sizes of the first groove and the second groove are adapted to the cylindrical specimen; the volume of the first groove accounts for 1 / 2-2 / 3 of the rotating table; preferably, for a cylindrical specimen, the first groove and the second groove are both semicircular arc-shaped, and the size is adapted to the cylindrical specimen.
[0014] Preferably, the clamping assembly further comprises a cylinder, which is connected to one end of the upper clamping assembly and is used to control the upper clamping assembly to clamp the lower clamping assembly so as to vertically clamp and fix the column specimen.
[0015] Preferably, the bearing platform is connected to the rotating platform via a bearing, the bearing platform is parallel to the rotating platform, and the rotating platform can be adjusted at different angles.
[0016] The processing equipment described in the utility model comprises a cutting machine module and the cylindrical specimen fixture described above, wherein the cutting machine module is arranged on one side of the cylindrical specimen fixture.
[0017] Beneficial effects: Compared with the prior art, the utility model achieves the following significant effects: the utility model adjusts the supporting platform to be perpendicular to the cutting machine module through the leveling component, and adjusts the rotating table to the required angle through the rotating component; the clamping component fixes the cylindrical specimen on the rotating table, and fixes the cylindrical specimen by clamping, and adjusts the supporting platform and the rotating table to meet the needs of cylindrical specimens at different angles. It has high limiting accuracy, stable fixation, and multi-angle adjustment to ensure that the specimen remains stable when the subsequent cutting machine module is cutting, and to ensure that the accuracy of the specimen after cutting meets the specification requirements and the specimen angle meets special experimental requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a front structural schematic diagram of the utility model;
[0019] Figure 2 It is a side structural diagram of the utility model and a structural diagram of a cutting machine module. DETAILED DESCRIPTION
[0020] The technical solution of the utility model is further described below in conjunction with the accompanying drawings of the specification.
[0021] like Figure 1-2 As shown, the utility model provides a cylindrical specimen fixture, including a clamping component 1, a mortise and tenon component 3, a rotating table 4, a bearing platform 5, a leveling component and a rotating component; the clamping component 1 is fixed to the top of the rotating table 4 through the mortise and tenon component 3; the clamping component 1 is arranged above the rotating table 4 and can be lifted up and down; a bearing platform 5 is arranged below the rotating table 4, the bearing platform 5 is connected to the rotating table 4 through a bearing, the bearing platform 5 is parallel to the rotating table 4, and the rotating table 4 can be adjusted to different angles; the leveling component is used to adjust the position of the bearing platform 5 and the grinder; the rotating component is used to adjust the angle of the cylindrical specimen 2 through the rotating table 4.
[0022] The rotating table 4 is connected to the clamping assembly 1 through the mortise and tenon assembly 3. The clamping assembly 1 is divided into two parts: an upper clamping assembly 1 and a lower clamping assembly 1. The lower clamping assembly 1 is provided with a first groove for placing the cylindrical specimen 2; the upper clamping assembly 1 is provided with a second groove adapted to the first groove; the first groove and the second groove together form a clamping groove to fix the cylindrical specimen 2; in order to adapt to the cylindrical specimen, the first groove and the second groove are both semicircular arc-shaped, and the size is adapted to the cylindrical specimen; the volume of the first groove accounts for 1 / 2-2 / 3 of the rotating table 4. The clamping assembly 1 also includes a cylinder (not shown in the figure), which is connected to one end of the upper clamping assembly 1; the upper clamping assembly 1 can vertically clamp and fix the cylindrical specimen 2. The mortise and tenon assembly 3 is respectively integrated with the rotating table 4 and the lower clamping assembly 1, and the rotating table 4 and the lower clamping member are connected and fixed through the mortise and tenon assembly 3.
[0023] The leveling assembly of this embodiment includes a wheel disc 9, a bolt 7, a base 6 and a laser component (not shown in the figure). The base 6 is parallel to the rotating table 4 and the supporting platform 5; a bolt 7 is vertically fixed on the base 6; the bottom end of the bolt 7 passes through the base 6 and is connected to the wheel disc 9, and the top end of the bolt 7 is connected to the supporting platform 5 through a universal hinge 8; the base 6 of this embodiment is provided with multiple bolts 7 and wheel discs 9 at different positions at the bottom of the supporting platform 5, and by rotating different wheel discs 9, the corresponding bolts 7 are driven to rotate to adjust the angle between the top of the bolt 7 and the base 6; the laser component is arranged on the side of the supporting platform 5 close to the cutting machine module 12, and the laser component can emit two mutually perpendicular laser beams, wherein the horizontal laser is parallel to the supporting platform 5, and the longitudinal laser is parallel to the cutting machine module 12; by adjusting the leveling assembly, the preset position is reached.
[0024] The rotating assembly of this embodiment includes a cross universal joint, a support rod 10, and an eccentric wheel locking device 11; the top end of the support rod 10 is connected to the rotating table 4 through a cross universal joint, so that the rotation adjustment of the rotating table 4 can be realized, and the bottom end of the support rod 10 passes through the middle of the eccentric wheel locking device 11, and the eccentric wheel locking device 11 is fixed on the base 6. The support rod 10 is perpendicular to the base 6. The support rod 10 can be locked by the eccentric wheel locking device 11, thereby fixing the rotating table 4, and different angles can be adjusted.
[0025] The utility model also provides a processing device, comprising a cutting machine module 12 and the above-mentioned column specimen fixture, wherein the cutting machine module 12 is arranged on one side of the column specimen fixture.
Claims
1. A cylindrical specimen fixture, characterized in that: The invention comprises a clamping assembly (1), a rotating table (4), a bearing platform (5), a leveling assembly and a rotating assembly; the clamping assembly (1) is provided with a clamping groove for fixing a column specimen (2); the clamping assembly (1) can be detachably fixed on the top of the rotating table (4); a bearing platform (5) connected to the rotating table (4) is provided below the rotating table (4); a leveling assembly for adjusting the angle of the bearing platform (5) so that the bearing platform (5) is perpendicular to a cutting machine module (12) is provided below the bearing platform (5); the angle change of the bearing platform (5) can drive the angle change of the rotating table (4); a rotating assembly for controlling the rotation of the rotating table (4) is provided below the rotating table (4); the rotating assembly can adjust the angle of the column specimen through the rotating table (4).
2. The cylindrical specimen fixture according to claim 1, characterized in that: The leveling assembly comprises a base (6) located below the bearing platform (5), a bolt (7) being fixed on the base (6), the top end of the bolt (7) being connected to the bearing platform (5) via a universal hinge (8), the bottom end of the bolt (7) passing through the base (6) being fixed with a wheel (9) for rotating the bolt (7), and the corresponding bolt (7) being driven to rotate by rotating the wheel (9), thereby adjusting the angle between the bearing platform (5) at the top end of the bolt (7) and the rotating platform (4) and the base (6).
3. The cylindrical specimen fixture according to claim 2, characterized in that: The leveling component further comprises a laser component capable of detecting the perpendicularity between the support platform (5) and the cutting machine module (12); the laser component is arranged on the side of the support platform (5) close to the cutting machine module (12); the laser component can emit two mutually perpendicular laser beams, wherein the transverse laser beam is parallel to the support platform (5) and the longitudinal laser beam is parallel to the cutting machine module (12).
4. The cylindrical specimen fixture according to claim 1, characterized in that: The rotating assembly comprises a support rod (10), one end of the support rod (10) being connected to the rotating platform (4) via a cross universal joint, and the other end of the support rod (10) passing through an eccentric wheel locking device (11), the eccentric wheel locking device (11) being used to lock the support rod (10) and thereby fix the rotating platform (4) to achieve adjustment at different angles.
5. The cylindrical specimen fixture according to claim 1, characterized in that: The pressing assembly (1) is fixed to the top of the rotating platform (4) via a mortise and tenon assembly (3).
6. The cylindrical specimen fixture according to claim 1, characterized in that: The clamping assembly (1) comprises an upper clamping assembly (1) and a lower clamping assembly (1); the lower clamping assembly (1) is provided with a first groove for placing a cylindrical specimen; the upper clamping assembly (1) is provided with a second groove adapted to the first groove; the first groove and the second groove together form a clamping groove to fix the cylindrical specimen.
7. The column specimen fixture according to claim 6, characterized in that: The shapes and sizes of the first groove and the second groove are adapted to the cylindrical specimen; the volume of the first groove accounts for 1 / 2 to 2 / 3 of the volume of the rotating platform (4).
8. The column specimen fixture according to claim 6, characterized in that: The clamping assembly (1) further comprises a cylinder, which is connected to one end of the upper clamping assembly (1) and is used to control the upper clamping assembly (1) to clamp the lower clamping assembly (1) so as to vertically clamp and fix the column specimen.
9. The cylindrical specimen fixture according to claim 1, characterized in that: The bearing platform (5) is connected to the rotating platform (4) via a bearing; the bearing platform (5) is parallel to the rotating platform (4); and the rotating platform (4) can be adjusted at different angles.
10. A processing equipment, characterized in that: It comprises a cutting machine module (12) and the column specimen fixture according to claim 1, wherein the cutting machine module (12) is arranged on one side of the column specimen fixture.