Chain saw detection device feed force adjustment mechanism

Abstract

The application discloses a feed force adjusting mechanism installed on a chain saw detection device, the chain saw detection device comprising a mounting seat, a moving seat slidably mounted on the mounting seat and used for mounting a chain saw, a feed force adjusting mechanism comprising an adjusting assembly mounted on the mounting seat and a connecting piece used for connecting the adjusting assembly and the moving seat; the adjusting assembly adjusts the direction and size of the force acting on the moving seat through the connecting piece, so that the feed force of the chain saw on the moving seat is adjusted. Through the setting of the adjusting assembly and the connecting piece, a pulling force is generated on the moving seat, different pulling forces are applied according to different weights of different chain saws, the sum of the weight of the chain saw and the moving plate is balanced, the balanced force is taken as the feed force of the chain saw, so that the same feed force of the chain saw is ensured, the test result accuracy is improved, and the same or similar test results can be obtained after repeated tests.

Description

Technical Field

[0001] This application relates to the field of chainsaw performance testing technology, specifically to a feed force adjustment mechanism for chainsaw testing equipment. Background Technology

[0002] As a highly efficient cutting tool, the performance of a chainsaw is mainly reflected in its working efficiency, fuel consumption, and service life. Therefore, from the research and development of chainsaws to their delivery, their performance indicators need to be rigorously tested.

[0003] One aspect of chainsaw performance testing is simulating real-world molybdenum cutting conditions, which involves applying a feed force to the chainsaw and measuring its various parameters. Currently, this method primarily relies on manual operation. Testers must hold the chainsaw and use their own strength to overcome its weight, applying a certain pushing force to cut a fixed standard piece of material. This method heavily depends on the operator's experience and feel, making it difficult for the operator, and even the same operator, to maintain a consistent feed force throughout the test. Since cutting efficiency is directly related to the magnitude of the feed force applied, the accuracy of the test results is poor, and repeated tests yield inconsistent or unreliable results. This severely impacts the fairness and accuracy of performance comparisons between different brands and models of chainsaws, and even makes it impossible to compare the performance of different batches of the same product, rendering it unreliable data for product development, improvement, and quality assessment.

[0004] Therefore, it is necessary to design a feed force adjustment mechanism that can avoid interference from human factors, apply a continuous and stable feed force to the chainsaw, and improve data accuracy. Utility Model Content

[0005] The purpose of this application is to propose a feed force adjustment mechanism for chainsaw testing equipment, which solves the problem in the prior art where operators hold the chainsaw during the testing process, resulting in inconsistent feed forces throughout the sawing process and between different chainsaws, affecting the accuracy of the sawing efficiency results and making product comparison impossible.

[0006] To achieve the above objectives, this application proposes a feed force adjustment mechanism installed on a chainsaw testing device. The chainsaw testing device includes a mounting base, a movable base slidably mounted on the mounting base for mounting the chainsaw, and a feed force adjustment mechanism including an adjustment component mounted on the mounting base and a connector for connecting the adjustment component and the movable base. The adjustment component adjusts the direction and magnitude of the force applied to the movable base through the connector, thereby adjusting the feed force of the chainsaw on the movable base.

[0007] Optionally, the adjustment assembly includes a reversing structure mounted on the mounting base and an adjustment structure connected to one end of the connector. The adjustment structure generates a pulling force on the moving base through the connector to balance the weight of different chainsaws.

[0008] Optionally, the reversing structure includes a reversing base plate mounted on a mounting base, mounting grooves provided at both ends of the reversing base plate, and a reversing wheel movably mounted in the mounting groove; a connector is wound around the reversing wheel, and its two ends are respectively connected to a movable base and an adjustment structure.

[0009] Optionally, a vertical plate is mounted on the reversing base plate, and rollers are movably mounted on the vertical plate.

[0010] Optionally, the upright plate is set perpendicular to the reversing base plate, and the minimum straight-line distance from the upright plate to the two mounting slots is equal.

[0011] Optionally, the reversing wheel is provided with a groove corresponding to the connecting member.

[0012] Optionally, the regulating structure includes a first water tank, a second water tank installed inside the first water tank and connected to the other end of the connector, and a water pump for pumping and conveying the liquid in the first and second water tanks.

[0013] Optionally, the adjustment structure includes a weight set mounted on one end of the connector, the weight set being composed of multiple weights connected end to end, with hooks and connecting rings at the top and bottom of the weights respectively.

[0014] Optionally, the adjustment structure includes a telescopic power source and a tension sensor mounted on the telescopic power source, the tension sensor being connected to the other end of the connector.

[0015] Optionally, the connector is a flexible connecting rope.

[0016] Optionally, the connector includes a reversing part and connecting parts disposed at both ends of the reversing part. The two connecting parts are respectively connected to the movable seat and the adjusting component, and the two connecting parts are arranged in parallel.

[0017] Compared with the prior art, this application provides a feed force adjustment mechanism for a chainsaw detection device, which has the following advantages: The feed force adjustment mechanism of this chainsaw equipment generates tension on the moving seat by adjusting the components and connectors. Different tensions are applied according to the different weights of different chainsaws, balancing the sum of the weights of the chainsaw and the moving plate. The balanced force is used as the feed force of the chainsaw, thereby ensuring that the feed force of the chainsaw is the same, thus improving the accuracy of the test results. Repeated tests can obtain the same or similar test results. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the feed force adjustment mechanism in this application.

[0019] Figure 2 This is a schematic diagram of the reversing structure of this application.

[0020] Figure 3 This is a cross-sectional view of the reversing structure of this application.

[0021] Figure 4 This is a schematic diagram of the reversing wheel in this application.

[0022] Figure 5 This is a schematic diagram of the structure of the adjustment component in this application.

[0023] Figure 6 This is a structural schematic diagram of the first water storage tank and water pump of this application.

[0024] Figure 7 This is a schematic diagram of the operating status of the feed force adjustment mechanism in this application.

[0025] Figure 8 This is a schematic diagram of the feed force adjustment mechanism in use from another perspective of this application.

[0026] Figure 9 This is a schematic diagram of the overall structure of the feed force adjustment mechanism in Embodiment 2 of this application.

[0027] Figure 10 This is a schematic diagram of the reversing structure in Embodiment 2 of this application.

[0028] Figure 11 This is a schematic diagram of the overall structure in Embodiment 3 of this application.

[0029] Figure 12 This is a schematic diagram of the structure of the weight in Embodiment 3 of this application.

[0030] Figure 13 This is a schematic diagram of the commutation structure in Embodiment 4 of this application.

[0031] Figure 14 This application Figure 13 A magnified view of a portion of point A in the middle.

[0032] Figure 15 This is another installation diagram of the telescopic power source in Embodiment 4 of this application.

[0033] The diagram shows the following components: 100, mounting base; 200, movable base; 300, adjustment component; 310, reversing structure; 311, reversing base plate; 312, mounting groove; 313, reversing wheel; 314, upright plate; 315, roller; 316, groove; 320, adjustment structure; 321, first water tank; 322, second water tank; 323, water pump; 324, weight set; 325, connecting ring; 326, hook; 327, telescopic power source; 328, tension sensor; 400, connector; 410, reversing part; 420, connecting part. Detailed Implementation

[0034] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, illustrates this application. Numerous specific details are set forth in the description below to provide a thorough understanding of the invention. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0035] The feed force adjustment mechanism of the chainsaw testing equipment of this application can be used for performance testing of chainsaws and other similar applications. The feed force adjustment mechanism of the chainsaw testing equipment is described in detail below.

[0036] Example 1 See appendix Figure 1 — Figure 8 As shown, the feed force adjustment mechanism of the chainsaw testing equipment of this application includes an adjustment component 300 installed on the mounting base 100 and a connector 400 for connecting the adjustment component 300 and the moving base 200. In this embodiment, the adjustment component 300 and the moving base 200 are connected by the connector 400, which can transfer the gravity of the adjustment component 300 to the moving base 200, generate a pulling force on the moving base 200, and cancel out the magnitude of the total force on the moving base 200, thereby adjusting the feed force of the chainsaw and ensuring that the chainsaw is subjected to a constant feed force.

[0037] See appendix Figure 1 — Figure 5 As shown in this application, the adjustment assembly 300 includes a reversing structure 310 mounted on the mounting base 100 and an adjustment structure 320 connected to one end of the connector 400. The adjustment structure 320 generates a pulling force on the moving base 200 through the connector 400, thereby balancing the gravity of different chainsaws.

[0038] This application adjusts the direction of gravity of the adjustment structure 320 by setting the reversing structure 310, so that the gravity of the adjustment structure 320 is converted into a pulling force on the moving seat 200, thereby adjusting the feed force on the chainsaw and generating a constant feed force on the chainsaw. By setting the adjustment structure 320, the magnitude of the total force on the moving seat 200 is canceled out. Since the gravity of the adjustment structure 320 can be adjusted, it can be adjusted according to the different gravity of the chainsaw, ensuring that chainsaws of different weights can be tested for sawing performance under the same feed force.

[0039] See appendix Figure 1 — Figure 3As shown in the present application, the reversing structure 310 includes a reversing base plate 311 mounted on the mounting base 100, mounting grooves 312 disposed at both ends of the reversing base plate 311, and a reversing wheel 313 movably mounted in the mounting grooves 312; the connecting member 400 is wound around the reversing wheel 313, and its two ends are respectively connected to the moving base 200 and the adjusting structure 320.

[0040] This application provides an installation position for the commutator wheel 313 by setting the commutator base plate 311; it limits the installation position of the commutator wheel 313 by setting the mounting groove 312, ensuring that the connector 400 can connect the adjustment structure 320 and the moving seat 200; by setting the commutator wheel 313, the friction between the connector 400 and the commutator base plate 311 is reduced, the impact of friction on the adjustment structure 320 is reduced, and the service life of the connector 400 is ensured.

[0041] See appendix Figure 2 — Figure 4 As shown in the figure, in this application, the reversing wheel 313 is provided with a groove 316 corresponding to the connecting member 400. By setting the groove 316, this application guides and limits the connecting member 400, preventing the connecting member 400 from separating from the reversing wheel 313 during the transmission of force, thus preventing the connecting member 400 from getting stuck. The reversing wheel 313 can rotate normally, ensuring that the connecting member 400 can use the gravity of the adjusting structure 320 as the pulling force of the moving seat 200.

[0042] See appendix Figure 2 — Figure 5 As shown, in this application, the regulating structure 320 includes a first water storage tank 321, a second water storage tank 322 installed inside the first water storage tank 321 and connected to the other end of the connector 400, and a water pump 323 for pumping and conveying the liquid in the first water storage tank 321 and the second water storage tank 322. It should be noted that the capacity of the first water storage tank 321 is greater than the capacity of the second water storage tank 322; the water pump 323 is a bidirectional water pump, such as a peristaltic pump; a guide ring is welded onto the first water storage tank 321, and a guide post corresponding to the guide ring is installed on the mounting base 100; the guide ring and the guide post are movably connected.

[0043] This application utilizes a first water tank 321 for temporary storage of clean water, which in turn allows for temporary storage of clean water in a second water tank 322. The second water tank 322, in conjunction with its connection to the connector 400, helps to offset the total force exerted on the moving base 200. A water pump 323 pumps and transports the clean water from both tanks, thereby altering the weight of the second water tank 322 and balancing chainsaws of varying weights. Specifically, the water pump 323 connects the first and second water tanks 321 via a hose to pump clean water. The first water tank 321 is connected to an external water source via a pipe, and a valve replenishes the first water tank. A level gauge is installed in the second water tank 322 to measure its water volume.

[0044] See appendix Figure 2 — Figure 4 As shown in the present application, the connector 400 is a flexible connecting rope, which can be a rope such as hemp rope or steel wire rope; the connector 400 includes a reversing part 410 and connecting parts 420 disposed at both ends of the reversing part 410, and the two connecting parts 420 are respectively connected to the moving seat 200 and the adjusting component 300; it should be noted that the two connecting parts 420 are arranged in parallel.

[0045] This application uses the reversing part 410 to adjust the gravity direction of the adjusting structure 320, so that gravity is used as a pulling force on the moving seat 200; the connecting part 420 is used to connect the moving seat 200 and the adjusting structure 320; by setting the connecting part 420 in parallel, it is ensured that the gravity of the adjusting structure 320 does not need to be decomposed, and can be completely converted into a pulling force on the moving seat 200.

[0046] See appendix Figure 1 — Figure 8 As shown, the operating principle of the feed force adjustment mechanism in this application is as follows: The first step is that the gravity on the moving base 200 is constant. Therefore, before the chainsaw needs a constant feed force, the operator needs to accurately measure the weight of the chainsaw before installing the chainsaw on the moving base 200. The second step involves the operator using the PLC controller to activate the water pump 323, drawing clean water from the first water tank 321 and transferring it into the second water tank 322, until the PLC controller receives a signal from the level gauge and the liquid level in the second water tank 322 reaches the specified position. This counteracts the weight of the moving base 200 and the chainsaw, ensuring the chainsaw's feed force reaches the specified value, thus adjusting the chainsaw's feed force. It should be noted that the weight of the second water tank 322 is less than the sum of the weights of the moving base 200 and the chainsaw.

[0047] In actual use, the mounting base 100 is equipped with a telescopic electric cylinder or telescopic air cylinder connected to the PLC controller, and a lifting block is installed on the telescopic rod to move the moving base 200. The top surface of the lifting block is in contact with the bottom surface of the moving base 200. The telescopic electric cylinder or telescopic air cylinder drives the moving base 200 to rise to a certain height. Then, the PLC controller controls the throttle actuator (remote throttle accelerator) on the moving base 200 to start the chainsaw throttle. Then, the controller controls the telescopic rod of the telescopic electric cylinder or telescopic air cylinder to reset. The reset speed is greater than the descent speed of the moving base 200. At this time, the moving base 200 and the chainsaw move downward under the action of gravity, and the saw is cut during the descent.

[0048] Example 2 See appendix Figure 9 and Figure 10 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, a vertical plate 314 is mounted on the reversing substrate 311, and a roller 315 is movably mounted on the vertical plate 314.

[0049] In this embodiment, the upright plate 314, together with the roller 315, lifts the reversing part 410 of the connector 400, preventing the connector 400 from loosening due to insufficient tension during operation, and ensuring that the weight of the second water tank 322 can be converted into a pulling force on the moving seat 200, thereby adjusting the feed force of the chainsaw.

[0050] Example 3 See appendix Figure 11 and Figure 12 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, the adjustment structure 320 includes a weight group 324 installed on one end of the connector 400. The weight group 324 is composed of multiple weights connected end to end, and the top and bottom of the weights are respectively provided with a connecting ring 325 and a hook 326.

[0051] In this embodiment, the weight group 324 is used as the pulling force of the moving seat 200 to adjust the feed force of the chainsaw. The connecting ring 325 and hook 326 are used to connect the weights end to end to form a weight group, and the weight group is connected to one end of the connector 400.

[0052] Example 4 See appendix Figure 13 — Figure 15 As shown, the difference between this embodiment and the previous embodiment is that, in this embodiment, the adjustment structure 320 includes a telescopic power source 327 and a tension sensor 328 mounted on the telescopic power source 327. The tension sensor 328 is connected to the other end of the connector 400. It should be noted that the telescopic power source 327 can be a telescopic electric cylinder or a telescopic pneumatic cylinder; the telescopic power source 327 can be installed on the ground or on the mounting base 100, thus eliminating the need for a reversing structure 310 and reducing equipment costs. In this embodiment, by setting up the telescopic power source 327 and the tension sensor 328, the feed force of the chainsaw is kept stable during the extension or retraction of the telescopic rod of the telescopic power source 327 and during the descent of the moving seat 200.

[0053] The above embodiments are illustrative of this application and are not intended to limit this application. Any simple modifications to this application are within the protection scope of this application.

Claims

1. A feed force adjustment mechanism for a chainsaw testing device, wherein the feed force adjustment mechanism is installed on the chainsaw testing device, the chainsaw testing device includes a mounting base (100), a movable base (200) slidably mounted on the mounting base (100) for mounting the chainsaw, the feed force adjustment mechanism includes an adjustment component (300) mounted on the mounting base (100), and a connector (400) for connecting the adjustment component (300) and the movable base (200); The adjustment component (300) adjusts the direction and magnitude of the force applied to the moving base (200) through the connector (400), thereby adjusting the feed force of the chainsaw on the moving base (200).

2. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 1, characterized in that, The adjustment assembly (300) includes a reversing structure (310) mounted on the mounting base (100) and an adjustment structure (320) connected to one end of the connector (400). The adjustment structure (320) generates a pulling force on the moving base (200) through the connector (400) to balance the weight of different chainsaws.

3. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 2, characterized in that, The reversing structure (310) includes a reversing base plate (311) mounted on a mounting base (100), mounting grooves (312) provided at both ends of the reversing base plate (311), and a reversing wheel (313) movably mounted in the mounting groove (312); the connecting member (400) is wound around the reversing wheel (313), and its two ends are respectively connected to the moving base (200) and the adjusting structure (320).

4. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 3, characterized in that, A vertical plate (314) is mounted on the reversing base plate (311), and a roller (315) is movably mounted on the vertical plate (314).

5. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 4, characterized in that, The upright plate (314) is perpendicular to the reversing base plate (311), and the minimum straight-line distance from the upright plate (314) to the two mounting slots (312) is equal.

6. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 3, characterized in that, The reversing wheel (313) is provided with a groove (316) corresponding to the connector (400).

7. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 2, characterized in that, The regulating structure (320) includes a first water tank (321), a second water tank (322) installed in the first water tank (321) and connected to the other end of the connector (400), and a water pump (323) for pumping and conveying the liquid in the first water tank (321) and the second water tank (322).

8. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 2, characterized in that, The adjustment structure (320) includes a weight group (324) installed on one end of the connector (400). The weight group (324) is composed of multiple weights connected end to end. The top and bottom of the weights are respectively provided with a connecting ring (325) and a hook (326).

9. The feed force adjustment mechanism of the chainsaw testing equipment according to claim 2, characterized in that, The adjustment structure (320) includes a telescopic power source (327) and a tension sensor (328) mounted on the telescopic power source (327), which is connected to the other end of the connector (400).

10. The feed force adjustment mechanism of the chainsaw testing equipment according to any one of claims 1-9, characterized in that, The connector (400) is a flexible connecting rope; The connector (400) includes a reversing part (410) and connecting parts (420) provided at both ends of the reversing part (410). The two connecting parts (420) are respectively connected to the moving base (200) and the adjusting component (300), and the two connecting parts (420) are arranged in parallel.

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