Testing device capable of automatically adjusting tension of chain

Abstract

The utility model discloses a testing device capable of automatically adjusting the tension of a chain, which comprises a testing device main body and is characterized by further comprising a fixed chain wheel, the fixed chain wheel is arranged at one end of one side of the testing device main body, and a movable chain wheel is arranged on the testing device main body on one side of the fixed chain wheel. A chain body is arranged between the fixed chain wheel and the movable chain wheel, the testing wheel is arranged above the chain body, a rolling shaft penetrates through the center of the testing wheel, tension sensors are arranged at the two ends of the rolling shaft, and the adjusting mechanism is arranged at the top of the testing device body. And the adjusting mechanism is provided with a pressure applying piece for applying pressure to the testing wheel. By installing the testing device main body, the fixed chain wheel, the movable chain wheel, the chain main body, the adjusting mechanism, the testing wheel and the tension sensor, the position relation between the testing wheel and the chain main body can be automatically adjusted, the safety during equipment operation is improved, and the operation process is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of chain testing, in particular to a testing device for automatically adjusting chain tension. Background Art

[0002] Chains are commonly used components in the machinery industry, carrying important tasks such as transmitting power and torque. Chains are widely used. In order to ensure the safety and reliability of chains, they need to be quality tested. By simulating the real working environment, the life and durability of the chain are evaluated, thereby testing the quality and performance of the chain components, in order to ensure the safe operation of the equipment.

[0003] Tension test is a type of chain test, which is mainly used to measure the tension of the chain. By applying force or pressure to the chain, the tension level of the chain is measured to ensure the appropriate tension of the chain during operation, so as to improve the transmission efficiency and extend the life of the chain. When the chain is tension tested, the force application position between the test wheel and the chain body is often not conducive to automatic adjustment and control, and the test results are prone to inaccuracy. Therefore, an automatic adjustment chain tension test device is needed. Utility Model Content

[0004] The utility model aims to provide a chain tension test device which can automatically adjust the chain tension so as to solve the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test device for automatically adjusting chain tension, comprising: a test device body, characterized in that it also includes

[0006] A fixed sprocket, the fixed sprocket is arranged at one end of one side of the test device body, and a movable sprocket is arranged on the test device body on the side of the fixed sprocket, and a chain body is arranged between the fixed sprocket and the movable sprocket;

[0007] A test wheel, the test wheel is arranged above the chain body, and a roller passes through the center of the test wheel, and tension sensors are arranged at both ends of the roller;

[0008] An adjusting mechanism, wherein the adjusting mechanism is disposed on the top of the testing device body and the adjusting mechanism is provided with a pressure-applying member for applying pressure to the testing wheel, and the testing wheel is connected to a roller on the pressure-applying member;

[0009] The adjusting mechanism further comprises a bracket, a screw rod, a driving block and a movable block, wherein the bracket is provided with a screw rod, and the driving block is sleeved on the screw rod.

[0010] Preferably, a controller is provided at one end of the top of the test device body, the output of the tension sensor is electrically connected to the input end of the controller through a wire, and the output end of the controller is electrically connected to the input end of the servo motor through a wire.

[0011] Preferably, a fixing seat is provided at one end of one side of the main body of the testing device, and an adjusting screw passes through the interior of the fixing seat.

[0012] Preferably, the adjustment mechanism further comprises a movable block, and the movable block is arranged on the driving block, and the bottom of the movable block is evenly connected to the pressure member through a connecting rod.

[0013] Preferably, the adjustment mechanism further includes a servo motor, and the servo motor is arranged on the top of the bracket, and the output end of the servo motor is connected to the screw rod.

[0014] Preferably, a movable seat is provided at one end of the adjusting screw, and one side of the movable sprocket is connected to the movable seat.

[0015] Preferably, slide grooves are provided on the test device bodies on both sides of the movable seat, slide bars are provided on both sides of the movable seat, and sliders are provided at one end of the slide bars close to the slide grooves.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the automatic adjustment chain tension test device is equipped with a test device body, a fixed sprocket, a movable sprocket, a chain body, an adjustment mechanism, a bracket, a servo motor, a screw rod, a drive block, a movable block, a connecting rod, a pressure piece, a test wheel and a tension sensor; the chain body to be tension tested is arranged between the fixed sprocket and the movable sprocket, the screw rod is driven to rotate by the servo motor, so that the drive block and the movable block move down along the screw rod, and the connecting rod is used to push the test wheel on the pressure piece to apply pressure to the chain body, and the tension of the chain body is measured by the tension sensors at both ends of the test wheel, and the positional relationship between the test wheel and the chain body can be automatically adjusted through the interaction of the servo motor, the screw rod and the drive block, thereby improving the safety when operating the equipment and making the operation process more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 This is a side view structural diagram of the test wheel of the utility model;

[0020] Figure 4 For the utility model Figure 1 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. Test device body; 2. Fixed sprocket; 3. Chain body; 4. Adjustment mechanism; 401. Bracket; 402. Servo motor; 403. Screw; 404. Drive block; 405. Movable block; 406. Connecting rod; 407. Pressure piece; 5. Test wheel; 6. Controller; 7. Slide; 8. Fixed seat; 9. Adjustment screw; 10. Movable seat; 11. Movable sprocket; 12. Tension sensor; 13. Roller; 14. Slide rod; 15. Slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: an automatic chain tension test device, comprising: a test device body 1, and also comprising

[0024] A fixed sprocket 2, the fixed sprocket 2 is arranged at one end of one side of the test device body 1, and a movable sprocket 11 is arranged on the test device body 1 on the side of the fixed sprocket 2, and a chain body 3 is arranged between the fixed sprocket 2 and the movable sprocket 11;

[0025] A fixing seat 8 is provided at one end of one side of the testing device body 1, and an adjusting screw 9 passes through the inside of the fixing seat 8;

[0026] The chain body 3 to be tested is arranged outside between the fixed sprocket 2 and the movable sprocket 11, and the movable seat 10 is driven to move by rotating the adjusting screw 9, so as to adjust the distance between the fixed sprocket 2 and the movable sprocket 11 according to the length of the test chain body 3;

[0027] Slide grooves 7 are provided on the test device body 1 on both sides of the movable seat 10, and slide bars 14 are provided on both sides of the movable seat 10. Slide blocks 15 are provided on one end of the slide bars 14 close to the slide grooves 7, which play a role of limiting and guiding when the movable seat 10 moves;

[0028] A test wheel 5, which is disposed above the chain body 3, and a roller 13 passes through the center of the test wheel 5, and tension sensors 12 are disposed at both ends of the roller 13;

[0029] The adjusting mechanism 4 is disposed on the top of the testing device body 1 and is provided with a pressure member 407 for applying pressure to the testing wheel 5. The testing wheel 5 is connected to the roller 13 on the pressure member 407;

[0030] The adjustment mechanism 4 further includes a bracket 401, a screw rod 403, a driving block 404 and a movable block 405, and the bracket 401 is provided with a screw rod 403, and the screw rod 403 is sleeved with the driving block 404;

[0031] The adjustment mechanism 4 further includes a movable block 405, and the movable block 405 is disposed on the driving block 404, and the bottom of the movable block 405 is evenly connected to the pressure member 407 through a connecting rod 406;

[0032] The adjustment mechanism 4 further includes a servo motor 402, and the servo motor 402 is arranged on the top of the bracket 401, and the output end of the servo motor 402 is connected to the screw rod 403;

[0033] The servo motor 402 drives the lead screw 403 to rotate, so that the driving block 404 and the movable block 405 move downward along the lead screw 403, and the connecting rod 406 pushes the test wheel 5 on the pressure member 407 to apply pressure to the chain body 3, and the tension of the chain body 3 is measured by the tension sensors 12 at both ends of the test wheel 5;

[0034] A controller 6 is provided at one end of the top of the test device body 1, and the output of the tension sensor 12 is electrically connected to the input end of the controller 6 through a wire, and the output end of the controller 6 is electrically connected to the input end of the servo motor 402 through a wire;

[0035] Through the interaction of the servo motor 402, the lead screw 403 and the driving block 404, the positional relationship between the test wheel 5 and the chain body 3 can be automatically adjusted, thereby adjusting the force applied, improving the safety when operating the equipment, and making the operation process more stable;

[0036] The specific model specifications of the servo motor 402 and the tension sensor 12 need to be determined by selection calculation based on the specification parameters of the device. The selection calculation method is a prior art and will not be described in detail.

[0037] Working principle: When the embodiment of the present application is in use, the chain body 3 to be tested is arranged outside between the fixed sprocket 2 and the movable sprocket 11, and the movable seat 10 is driven to move by rotating the adjusting screw 9, so that the distance between the fixed sprocket 2 and the movable sprocket 11 is adjusted according to the length of the test chain body 3, so that the chain body 3 is sleeved between the fixed sprocket 2 and the movable sprocket 11, and then the servo motor 402 drives the lead screw 403 to rotate, so that the driving block 404 and the movable block 405 move down along the lead screw 403, and the connecting rod 406 is used to push the test wheel 5 on the pressure piece 407 to apply pressure to the chain body 3, and the tension of the chain body 3 is measured by the tension sensors 12 at both ends of the test wheel 5. Through the interaction of the servo motor 402, the lead screw 403 and the driving block 404, the positional relationship between the test wheel 5 and the chain body 3 can be automatically adjusted, thereby adjusting the force, thereby improving the safety when operating the equipment and making the operation process more stable.

[0038] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0039] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0040] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic chain tension test device, comprising: The testing device body (1) is characterized by comprising A fixed sprocket (2), the fixed sprocket (2) being arranged at one end of one side of the test device body (1), and a movable sprocket (11) being arranged on the test device body (1) on the side of the fixed sprocket (2), and a chain body (3) being arranged between the fixed sprocket (2) and the movable sprocket (11); A test wheel (5), the test wheel (5) being arranged above the chain body (3), and a roller (13) passing through the center of the test wheel (5), and tension sensors (12) being arranged at both ends of the roller (13); An adjusting mechanism (4), the adjusting mechanism (4) being arranged on the top of the testing device body (1), and the adjusting mechanism (4) being provided with a pressure-applying member (407) for applying pressure to the testing wheel (5), the testing wheel (5) being connected to a roller (13) on the pressure-applying member (407); The adjustment mechanism (4) further comprises a support (401), a screw rod (403), a driving block (404) and a movable block (405), wherein the support (401) is provided with a screw rod (403), and the driving block (404) is sleeved on the screw rod (403).

2. The automatic chain tension test device according to claim 1, characterized in that: A controller (6) is provided at one end of the top of the test device body (1); the output of the tension sensor (12) is electrically connected to the input end of the controller (6) via a wire, and the output end of the controller (6) is electrically connected to the input end of the servo motor (402) via a wire.

3. The automatic chain tension test device according to claim 1, characterized in that: A fixing seat (8) is provided at one end of one side of the testing device body (1), and an adjusting screw (9) passes through the interior of the fixing seat (8).

4. The automatic chain tension test device according to claim 1, characterized in that: The regulating mechanism (4) further comprises a movable block (405), and the movable block (405) is arranged on the driving block (404), and the bottom of the movable block (405) is evenly connected to the pressure member (407) through a connecting rod (406).

5. The automatic chain tension test device according to claim 1, characterized in that: The adjustment mechanism (4) further comprises a servo motor (402), and the servo motor (402) is arranged on the top of the bracket (401), and the output end of the servo motor (402) is connected to the screw rod (403).

6. The automatic chain tension test device according to claim 3, characterized in that: A movable seat (10) is provided at one end of the adjusting screw rod (9), and one side of the movable sprocket (11) is connected to the movable seat (10).

7. The automatic chain tension test device according to claim 6, characterized in that: Slide grooves (7) are provided on the test device body (1) on both sides of the movable seat (10), slide bars (14) are provided on both sides of the movable seat (10), and sliders (15) are provided on one end of the slide bars (14) close to the slide grooves (7).

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