Gear pump shaft production detection device

Abstract

This application discloses a testing device for gear pump shaft production, belonging to the technical field of gear pump shafts. It mainly includes a testing table, with a first clamping mechanism and a second clamping mechanism arranged opposite each other on the upper end of the testing table. The first and second clamping mechanisms are used to clamp the pump shaft to be tested. A testing mechanism is disposed on one side of the testing table, and the testing mechanism has a fixed base fixedly installed on one side of the testing table. An adjustment mechanism is provided on the upper surface of the fixed base, and a mounting plate is provided above the adjustment mechanism. The adjustment mechanism is used to adjust the position of the mounting plate. A fixing component is installed on the mounting plate, and a dial indicator is provided on one side of the fixing component. This gear pump shaft testing device significantly reduces manual intervention, prevents instability during pump shaft rotation, and also prevents instability in dial indicator readings, thus improving testing accuracy.

Description

Technical Field

[0001] This application relates to the field of gear pump shaft technology, specifically a testing device for gear pump shaft production. Background Technology

[0002] Gear pumps are a common type of positive displacement pump that uses the meshing motion of gears to transport liquids or generate pressure. The gear pump shaft is the core transmission component of the gear pump, responsible for transmitting power from the motor or engine to the gears, causing them to rotate and enabling the intake and discharge of liquids. Its design, materials, and machining precision directly affect the pump's lifespan, efficiency, and reliability.

[0003] In the production process of gear pump shafts, in order to ensure that their dimensional accuracy, geometric tolerances, surface quality and mechanical properties meet the requirements, a variety of testing devices are required for quality control.

[0004] When inspecting the outer diameter of a gear pump shaft, the micrometer holder is usually held in the left hand, while the gear pump shaft is slowly rotated in the right hand to avoid excessive force that could deform the micrometer and result in incorrect inspection results.

[0005] However, this detection method requires a lot of manual intervention and consumes a lot of manpower and resources. This can cause the pump shaft to rotate at an unstable speed or for the operator to tremble, resulting in unstable readings and affecting the detection accuracy. Therefore, it is necessary to provide a detection device for gear pump shaft production to solve the above problems.

[0006] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0007] Based on the aforementioned problems in the existing technology, the problem to be solved by this application is to provide a testing device for gear pump shaft production, which greatly reduces manual intervention, prevents instability of the pump shaft during rotation, prevents instability of dial indicator readings, and improves testing accuracy.

[0008] The technical solution adopted by this application to solve its technical problem is: a testing device for gear pump shaft production, including a testing table, wherein a first clamping mechanism and a second clamping mechanism are arranged opposite to each other on the upper end of the testing table, and the first clamping mechanism and the second clamping mechanism are used to clamp the pump shaft to be tested;

[0009] The testing mechanism is located on one side of the testing table. The testing mechanism has a fixed base that is fixedly installed on one side of the testing table. An adjustment mechanism is provided on the upper surface of the fixed base. An installation plate is provided above the adjustment mechanism. The adjustment mechanism is used to adjust the position of the installation plate.

[0010] A fastener is mounted on the mounting plate, and a dial indicator is provided on one side of the fastener.

[0011] Furthermore, the fastener has a mounting frame sleeved on the mounting plate, and second fasteners are threaded to both sides of the mounting frame. The ends of the second fasteners protrude from the mounting frame. A support rod is fixedly installed on one side of the mounting frame, and the support rod faces the testing table. The dial indicator is installed on the end of the support rod.

[0012] Furthermore, two sets of clamping plates are installed on the side of the dial indicator away from the pointer. The clamping plates are hinged to the support rod, and threaded holes are opened through the clamping plates. A first fastener is threaded into the threaded holes.

[0013] Furthermore, the adjustment mechanism has a base plate fixedly installed on the upper surface of the fixed seat. A third slide rail is fixedly installed on both sides of the upper end of the base plate. A bearing sleeve is fixedly installed at both ends of the third slide rail. A screw is installed in the two sets of bearing sleeves. A third motor is fixedly installed on one side of the base plate. The output shaft of the third motor is fixedly installed between the screw and the third motor.

[0014] Furthermore, a second nut is threaded onto the screw, and the mounting plate is fixedly installed on the upper end of the second nut. The two ends of the mounting plate are slidably connected to the third slide rail.

[0015] The beneficial effects of this application are as follows: The gear pump shaft production testing device provided by this application, by setting up a clamping mechanism and a testing mechanism, during testing, starts a second motor to rotate it, causing the second clamping plate and the pump shaft to rotate slowly. At the same time, starts a third motor to drive the mounting plate and dial indicator to move slowly, thereby testing the pump shaft. This greatly reduces manual intervention, prevents instability of the pump shaft during rotation, avoids instability of the dial indicator reading, improves testing accuracy, and saves manpower and resources.

[0016] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. A further detailed description of this application will be provided below with reference to the figures. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0018] In the attached diagram:

[0019] Figure 1 This is an overall schematic diagram of a testing device for gear pump shaft production according to this application;

[0020] Figure 2 for Figure 1 Partial sectional view of the overall structure;

[0021] Figure 3 for Figure 1 A separate enlarged schematic diagram of the Chinese testing institution;

[0022] Figure 4 for Figure 3 A separate enlarged schematic diagram of the central fixing component;

[0023] The following are the labeling elements in the figure:

[0024] 1. First clamping mechanism; 11. Bracket; 12. First clamping plate; 13. Adjustment seat; 14. First slide rail; 15. First slider; 16. Support frame; 17. Drive cylinder;

[0025] 2. Second clamping mechanism; 21. Support base; 211. Support wheel; 212. Second transmission belt; 22. Transmission wheel; 221. Second clamping plate; 23. Second motor; 231. Drive wheel; 24. Second slide rail; 25. Second slider; 26. Rotating rod; 261. Threaded groove; 262. First nut; 27. First motor; 271. Drive wheel; 272. First transmission belt; 273. Driven wheel; 28. Bearing seat;

[0026] 3. Testing mechanism; 31. Fixed base; 32. Base plate; 321. Third slide rail; 33. Bearing sleeve; 34. Screw; 35. Second nut; 36. Mounting plate; 37. Third motor; 38. Dial indicator; 381. Clamping plate; 382. Threaded hole; 383. First fastener; 39. Fixing component; 391. Mounting frame; 392. Second fastener; 393. Support rod;

[0027] 5. Testing station. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present application.

[0030] like Figures 1-2 As shown, this application provides a testing device for gear pump shaft production, including a testing table 5. A first clamping mechanism 1 and a second clamping mechanism 2 are arranged opposite each other on the upper end of the testing table 5. The first clamping mechanism 1 and the second clamping mechanism 2 are used to clamp the pump shaft to be tested. The first clamping mechanism 1 has a bracket 11 arranged on the upper end of the testing table 5. A first clamping disk 12 is rotatably connected to one side of the upper end of the bracket 11. The first clamping disk 12 is used to place the end of the pump shaft.

[0031] In order to adjust the position of the first clamping plate 12, an adjusting seat 13 is fixedly installed at the lower end of the bracket 11, and two sets of first slide rails 14 are horizontally fixedly installed on the upper surface of the detection table 5. A first slider 15 is slidably connected to the upper surface of the first slide rail 14. The first slider 15 is fixedly installed at the bottom end of the adjusting seat 13. Therefore, by pushing the bracket 11, the adjusting seat 13 can slide on the first slide rail 14 through the first slider 15.

[0032] Meanwhile, a support frame 16 is fixedly installed on the upper end of the testing table 5. The support frame 16 is located outside the adjusting seat 13. A drive cylinder 17 is fixedly installed on the upper end of the support frame 16. The output shaft of the drive cylinder 17 passes through the support frame 16 and is fixed to the end of the bracket 11 away from the first clamping plate 12. Therefore, starting the drive cylinder 17 can push the bracket 11 to move on the first slide rail 14, thereby adjusting the position of the first clamping plate 12.

[0033] The second clamping mechanism 2 has a support base 21 installed above the testing table 5. The upper end of the support base 21 is rotatably connected to a rotating shaft (not shown in the figure). Both ends of the rotating shaft protrude from the support base 21. A second clamping plate 221 is fixedly installed at one end of the rotating shaft near the first clamping mechanism 1. The second clamping plate 221 is used to place the other end of the pump shaft, while a transmission wheel 22 is fixedly installed at the other end of the rotating shaft.

[0034] To enable the pump shaft to rotate during testing, a second motor 23 is fixedly installed on one side of the support base 21. The output shaft of the second motor 23 faces the support base 21. A drive wheel 231 is fixedly installed on the output shaft of the second motor 23. The drive wheel 231 and the outer side of the transmission wheel 22 are connected by a second transmission belt 212. At the same time, a support wheel 211 is rotatably connected on one side of the support base 21. The support wheel 211 keeps the second transmission belt 212 taut, so as not to affect the normal rotation of the transmission wheel 22.

[0035] Furthermore, in order to accommodate pump shafts of varying lengths and sizes, two sets of second slide rails 24 are horizontally installed on the other side of the upper end of the testing platform 5. A second slider 25 is slidably connected to the second slide rail 24. The second slider 25 is fixedly installed on the lower end face of the support base 21. Therefore, pushing the support base 21 can make it slide on the second slide rail 24 via the second slider 25.

[0036] Meanwhile, a slot (not shown in the figure) is provided inside the testing table 5. This slot is located below the second clamping mechanism 2. A bearing seat 28 is fixedly installed inside the slot, and a rotating rod 26 is installed inside the bearing seat 28. The other end of the rotating rod 26 is rotatably connected to the testing table 5. A threaded groove 261 is provided on the outer side of the end of the rotating rod 26 near the bearing seat 28. A first nut 262 is threaded onto the threaded groove 261. The first nut 262 is fixed to the lower end of the support base 21. At the same time, a first motor 27 is fixedly installed at the bottom of the slot. A drive wheel 271 is fixedly mounted on the output shaft, while a driven wheel 273 is fixedly mounted on the end of the rotating rod 26. The driven wheel 273 and the outer side of the drive wheel 271 are connected by a first transmission belt 272. In this application, the driven wheel 273 and the drive wheel 271 are arranged in an intersecting manner, so the first transmission belt 272 is inclined. Therefore, starting the first motor 27 can drive the rotating rod 26 to rotate through the first transmission belt 272, and at the same time, the support seat 21 slides on the second slide rail 24 through the transmission of the first nut 262, thereby adjusting the position of the second clamping plate 221.

[0037] A testing mechanism 3 is also provided on one side of the testing platform 5. The testing mechanism 3 is used to test the outer diameter of the pump shaft between the first clamping plate 12 and the second clamping plate 221.

[0038] like Figures 3-4 As shown, the testing mechanism 3 has a fixed base 31 fixedly installed on one side of the testing table 5. The fixed base 31 protrudes from the testing table 5. An adjustment mechanism is provided on the upper surface of the fixed base 31. The adjustment mechanism has a base plate 32 fixedly installed on the upper surface of the fixed base 31. Third slide rails 321 are fixedly installed on both sides of the upper end of the base plate 32. Bearing sleeves 33 are fixedly installed on both ends of the third slide rails 321. Screws 34 are installed in the two sets of bearing sleeves 33. At the same time, a third motor 37 is fixedly installed on one side of the base plate 32. The output shaft of the third motor 37 is fixedly installed between the screw 34 and the third motor 37. Therefore, starting the third motor 37 can drive the screw 34 to rotate.

[0039] Meanwhile, a second nut 35 is threaded onto the screw 34, and an mounting plate 36 is fixedly installed on the upper end of the second nut 35. The two ends of the mounting plate 36 are slidably connected to the third slide rail 321. Therefore, when the screw 34 rotates, the mounting plate 36 will slide on the third slide rail 321 through the second nut 35. Thus, the position of the mounting plate 36 can be adjusted by the adjustment mechanism.

[0040] A fastener 39 is installed on the mounting plate 36. The fastener 39 has a mounting frame 391 sleeved on the mounting plate 36. Both sides of the mounting frame 391 are threaded with a second fastener 392. The end of the second fastener 392 protrudes from the mounting frame 391. Therefore, tightening the second fastener 392 can fix the mounting frame 391 on the mounting plate 36 and also facilitate the adjustment of the position of the mounting frame 391.

[0041] A support rod 393 is fixedly installed on one side of the mounting frame 391, facing the testing table 5. A dial indicator 38 is installed at the end of the support rod 393. In this application, two sets of clamping plates 381 are installed on the side of the dial indicator 38 away from the pointer. The clamping plates 381 are hinged to the support rod 393. In order to fix the dial indicator 38, a threaded hole 382 is provided through the clamping plate 381. A first fastener 383 is threaded into the threaded hole 382. Therefore, when the first fastener 383 is tightened, the two sets of clamping plates 381 will clamp together, preventing the dial indicator 38 from shaking. It is also convenient to adjust the angle position of the dial indicator 38 to adapt to pump shafts of different sizes.

[0042] In this application, both the second motor 23 and the third motor 37 are geared motors.

[0043] Working principle: When inspecting the gear pump shaft, the pump shaft is placed between the first clamping plate 12 and the second clamping plate 221. Then, the positions of the support base 21 and the bracket 11 are adjusted to clamp the pump shaft securely. The shaft surface is then wiped with a lint-free cloth.

[0044] Next, move the mounting plate 36 to the end of the pump shaft and adjust the position of the fixing piece 39 so that the pointer of the dial indicator 38 is in contact with the outer surface of the pump shaft. Then, start the second motor 23 to make it rotate, driving the second clamping plate 221 and the pump shaft to rotate slowly. At the same time, start the third motor 37 to make it move the mounting plate 36 and the dial indicator 38 slowly to inspect the pump shaft. This greatly reduces manual intervention, prevents the pump shaft from becoming unstable during rotation, avoids unstable readings of the dial indicator 38, improves inspection accuracy, and saves manpower and resources.

[0045] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A detection device for gear pump shaft production, characterized by: The test platform (5) includes a first clamping mechanism (1) and a second clamping mechanism (2) arranged opposite to each other on the upper end of the test platform (5). The first clamping mechanism (1) and the second clamping mechanism (2) are used to clamp the pump shaft to be tested. The testing mechanism (3) is located on one side of the testing table (5). The testing mechanism (3) has a fixed base (31) fixedly installed on one side of the testing table (5). An adjustment mechanism is provided on the upper surface of the fixed base (31). An installation plate (36) is provided above the adjustment mechanism. The adjustment mechanism is used to adjust the position of the installation plate (36). A fastener (39) is installed on the mounting plate (36), and a dial indicator (38) is provided on one side of the fastener (39).

2. The detection device for gear pump shaft production according to claim 1, characterized in that: The fastener (39) has a mounting frame (391) sleeved on the mounting plate (36). Both sides of the mounting frame (391) are threaded with second fasteners (392). The ends of the second fasteners (392) protrude from the mounting frame (391). A support rod (393) is fixedly installed on one side of the mounting frame (391). The support rod (393) faces the testing table (5). The dial indicator (38) is installed on the end of the support rod (393).

3. The testing device for gear pump shaft production according to claim 2, characterized in that: Two sets of clamps (381) are installed on the side of the dial indicator (38) away from the pointer. The clamps (381) are hinged to the support rod (393). A threaded hole (382) is opened through the clamps (381), and a first fastener (383) is threaded into the threaded hole (382).

4. The testing device for gear pump shaft production according to claim 1, characterized in that: The adjustment mechanism has a base plate (32) fixedly installed on the upper surface of the fixed base (31). A third slide rail (321) is fixedly installed on both sides of the upper end of the base plate (32). A bearing sleeve (33) is fixedly installed at both ends of the third slide rail (321). A screw (34) is installed in the two sets of bearing sleeves (33). A third motor (37) is fixedly installed on one side of the base plate (32). The output shaft of the third motor (37) is fixedly installed between the screw (34).

5. The testing device for gear pump shaft production according to claim 4, characterized in that: The screw (34) is threaded with a second nut (35), and the mounting plate (36) is fixedly installed on the upper end of the second nut (35). The two ends of the mounting plate (36) are slidably connected to the third slide rail (321).

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