Reciprocating shrub cutting test bed
By designing a reciprocating cutting test bench for sand-grown shrubs, the problems of cutting machine cutting difficulties, large power consumption and short tool life in the prior art are solved, and efficient and accurate shrub cutting experiments are achieved, supporting the research and development of large shrub stubble equipment.
Patent Information
- Application Number
- CN202421721703.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The cutting machine of the existing sand-raw shrub stubble leveling machine has difficulty in sawing, has large power consumption, and severe heat and wear of the tool, resulting in short tool life and different heights of the bush, resulting in low germination rate the following year or even death of the whole bush.
A reciprocating shrub cutting test bench is designed, including a first guide rail, a fixing assembly, a bracket, a fixed knife, a movable knife and a first drive assembly. The shrub is clamped by the fixed assembly, and the fixed knife and a movable knife are relatively sliding for cutting, and are equipped with a tensile sensor to measure the cutting force in real time.
The test bench effectively tests the shear performance of raw materials, provides data support for the research and development of large shrub stubble equipment, improves experimental efficiency and accuracy, and extends tool life.
Smart Images
Figure CN222774270U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a test bench, in particular to a reciprocating shrub cutting test bench. Background Art
[0002] Desert shrubs are the main plants for windbreak and sand fixation and desertification control in northwest my country. Stubble rejuvenation is the main measure for nurturing and management of desert shrubs during their growth, and cutting is the key link in the stubble operation of desert shrubs. In view of the problems of the current desert shrub stubble machine, such as difficulty in sawing the cutter, high power consumption, serious heating and wear of the cutter, short tool life, and uneven height of the stubble after stubble, severe bark tearing, resulting in low germination rate or even death of the entire shrub in the following year, it is necessary to conduct in-depth research to optimize the cutting tool structure or parameters; among them, it is essential to obtain relevant cutting parameters by building a test bench. Based on this, it is necessary to design a reciprocating shrub cutting test bench. Utility Model Content
[0003] Technical purpose: In order to overcome the deficiencies in the prior art, the utility model provides a reciprocating shrub cutting test bench.
[0004] Technical solution: To achieve the above purpose, the utility model discloses a reciprocating shrub cutting test bench, comprising:
[0005] a first guide rail extending along a first direction;
[0006] A fixing assembly, which is slidably connected to the guide rail and is used to clamp and fix the shrub;
[0007] A bracket, wherein the bracket is arranged above the fixing component;
[0008] A fixed knife, the fixed knife being fixedly connected to the bracket;
[0009] A movable knife, the movable knife and the fixed knife are stacked up and down, and the movable knife is slidably connected to the bracket;
[0010] The first driving component is used to drive the movable knife to slide.
[0011] Preferably, the fixing assembly comprises a fixed block, a movable block and a screw rod, the top block is slidably connected to the guide rail, the screw rod is rotationally connected to the fixed block, the movable block is transmission-connected to the screw rod, and the fixed block and the movable block together form a V-shaped groove for clamping shrubs.
[0012] Preferably, the first driving assembly includes a power assembly, a tension sensor, a first pull rod, a first slider, a second guide rail and a moving rod, the second guide rail extends along the second direction, the first slider is slidably connected to the second guide rail, one end of the tension sensor is connected to the power assembly, the other end of the tension sensor is connected to the first slider, one end of the first pull rod is hinged to the first slider, and the other end of the first pull rod is connected to the moving rod; the moving knife linear array is fixed on the first pull rod.
[0013] Preferably, the power assembly includes a driver, a power wheel, a second pull rod and a second slider; the power wheel is connected to the output end of the driver, one end of the second pull rod is eccentrically connected to the power wheel, the other end of the second pull rod is hinged to the second slider, the second slider is slidably connected to the second guide rail, and is fixedly connected to the tension sensor.
[0014] Preferably, the bracket is provided with a guide rail groove, and one end of the movable rod is slidably connected to the guide rail groove.
[0015] Preferably, a knife presser is connected to the bracket, and the knife presser is used to ensure that the fixed knife and the movable knife always keep in a fitting state.
[0016] The utility model discloses a reciprocating bush cutting test bench, which has the following beneficial effects:
[0017] The design of the reciprocating shrub cutting test bench effectively tests the shearing performance of raw materials and provides data support for the research and development of large-scale shrub cutting equipment. The test bench can not only achieve constant-speed feeding of experimental materials, but the equipped tension sensor can also realize real-time data visualization. Compared with traditional shearing test benches, it improves experimental efficiency and ensures the accuracy of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a top view of the utility model;
[0020] Figure 3 It is a connection diagram of the first driving assembly, the moving knife, the fixed knife, the bracket, etc. in the utility model;
[0021] Figure 4 It is a structural schematic diagram of the fixing component in the utility model;
[0022] Figure 5 It is a connection diagram of the bracket, movable knife, fixed knife, guide rail groove, etc. in the utility model.
[0023] In the figure, 1. first guide rail; 2. fixed component; 3. bracket; 4. fixed knife; 5. moving knife; 6. first driving component; 7. fixed block; 8. moving block; 10. screw rod; 11. power component; 12. tension sensor; 13. first pull rod; 14. first slider; 15. second guide rail; 16. moving rod; 17. driver; 18. power wheel; 19. second pull rod; 20. second slider; 21. guide rail groove; 22. knife press. DETAILED DESCRIPTION
[0024] The following is combined with Figure 1 To Attachment Figure 5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention.
[0025] A reciprocating shrub cutting test bench comprises a first guide rail 1, a fixing assembly 2, a bracket 3, a fixed knife 4, a movable knife 5 and a first driving assembly 6.
[0026] The first guide rail 1 is extended along a first direction, which refers to the feeding direction of the shrub. The fixed component 2 is slidably connected to the first guide rail 1, and the fixed component 2 is used to clamp and fix the shrub. The fixed component 2 realizes reciprocating sliding on the first guide rail 1 through a motor. The fixed component 2 is similar to the existing vise structure. Specifically, the fixed component 2 includes a fixed block 7, a movable block 8 and a screw rod 10. The fixed block 7 is slidably connected to the first guide rail 1, and the screw rod 10 is rotatably connected to the fixed block 7. The movable block 8 is transmission-connected to the screw rod 10. By screwing the screw rod 10, the movable block 8 can be moved closer to or away from the fixed block 7 to fix the shrub. The fixed block 7 and the movable block 8 together form a V-shaped groove for clamping the shrub.
[0027] The first driving assembly 6 is used to drive the movable knife 5 to slide. The first driving assembly 6 includes a power assembly 11, a tension sensor 12, a first pull rod 13, a first slider 14, a second guide rail 15 and a movable rod 16. The second guide rail 15 extends along the second direction, and the first direction and the second direction are perpendicular to each other. The first slider 14 is slidably connected to the second guide rail 15, one end of the tension sensor 12 is connected to the power assembly 11, the other end of the tension sensor 12 is connected to the first slider 14, and one end of the first pull rod 13 is hinged to the first slider 14. The other end of the first pull rod 13 is connected to the movable rod 16, and the movable knife 5 is fixed to the first pull rod 13 in a linear array. The bracket 3 is arranged above the fixed assembly 2, and the fixed knife 4 array is fixedly connected to the bracket 3. The movable knife 5 and the fixed knife 4 are arranged in an upper and lower stack, and the movable knife 5 is slidably connected to the bracket 3. The bracket 3 is provided with a guide rail groove 21, and one end of the movable rod 16 is slidably connected to the guide rail groove 21. A knife presser 22 is connected to the bracket 3, and the knife presser 22 is used to ensure that the fixed knife 4 and the movable knife 5 are always in a fitting state. The power assembly 11 includes a driver 17, a power wheel 18, a second pull rod 19 and a second slider 20; the driver 17 is a motor, the power wheel 18 is connected to the output end of the driver 17, one end of the second pull rod 19 is eccentrically connected to the power wheel 18, and the other end of the second pull rod 19 is hinged to the second slider 20, and the second slider 20 is slidably connected to the second guide rail 15 and fixedly connected to the tension sensor 12.
[0028] When conducting the experiment, the bushes are clamped on the fixed component 2; the fixed component 2 slides back and forth on the first guide rail 1; at the same time, the driver 17 is started, the fixed knife 4 and the movable knife 5 slide relative to each other to achieve cutting of the bushes, and the tension sensor 12 is used to measure the cutting force in real time.
[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A reciprocating bush cutting test bench, characterized in that: include: A first guide rail (1), the first guide rail (1) extending along a first direction; A fixing component (2), the fixing component (2) being slidably connected to the first guide rail (1) and being used for clamping and fixing the shrub; A bracket (3), wherein the bracket (3) is arranged above the fixing component (2); A fixed knife (4), wherein the fixed knife (4) is fixedly connected to the bracket (3); A movable knife (5), wherein the movable knife (5) and the fixed knife (4) are stacked up and down, and the movable knife (5) is slidably connected to the bracket (3); A first driving component (6), wherein the first driving component (6) is used to drive the movable knife (5) to slide.
2. The reciprocating bush cutting test bench according to claim 1, characterized in that: The fixing assembly (2) comprises a fixed block (7), a movable block (8) and a screw rod (10); the fixed block (7) is slidably connected to the first guide rail (1); the screw rod (10) is rotatably connected to the fixed block (7); the movable block (8) is transmission-connected to the screw rod (10); the fixed block (7) and the movable block (8) together form a V-shaped groove for clamping shrubs.
3. The reciprocating bush cutting test bench according to claim 1, characterized in that: The first driving component (6) comprises a power component (11), a tension sensor (12), a first pull rod (13), a first slider (14), a second guide rail (15) and a movable rod (16); the first slider (14) is slidably connected to the second guide rail (15); one end of the tension sensor (12) is connected to the power component (11); the other end of the tension sensor (12) is connected to the first slider (14); one end of the first pull rod (13) is hinged to the first slider (14); the other end of the first pull rod (13) is connected to the movable rod (16); the movable knife (5) is fixed on the first pull rod (13) in a linear array.
4. The reciprocating bush cutting test bench according to claim 3, characterized in that: The power assembly (11) comprises a driver (17), a power wheel (18), a second pull rod (19) and a second slider (20); the power wheel (18) is connected to the output end of the driver (17), one end of the second pull rod (19) is eccentrically connected to the power wheel (18), the other end of the second pull rod (19) is hinged to the second slider (20), the second slider (20) is slidably connected to the second guide rail (15), and is fixedly connected to the tension sensor (12).
5. The reciprocating bush cutting test bench according to claim 3, characterized in that: The bracket (3) is provided with a guide rail groove (21), and one end of the movable rod (16) is slidably connected to the guide rail groove (21).
6. The reciprocating bush cutting test bench according to claim 1, characterized in that: The support (3) is connected with a knife presser (22), and the knife presser (22) is used to ensure that the fixed knife (4) and the movable knife (5) always maintain a fitted state.