Water pump bearing sealing performance detection equipment

Abstract

The utility model discloses a water pump bearing sealing performance detection device, and relates to the technical field of water pump bearings. Comprising a detection plate, a connecting rod is fixedly connected to the inner wall of the detection plate, a top plate is fixedly connected to the top end of the connecting rod, a pressing mechanism is arranged on the top plate, an airtight tool is fixedly connected to the top of the detection plate, the airtight tool is located under the pressing mechanism, and clamping assemblies are symmetrically arranged on the detection plate. The clamping assembly comprises a sliding block and a clamp, and a telescopic rod is fixedly connected between the sliding block and the clamp. During detection, a water pump bearing is installed in a water pump, then the water pump is placed on an airtight tool, a servo motor is started to drive a rotating rod to rotate, and when the rotating rod rotates, clamps at the two ends of the rotating rod are driven to get close to each other, so that the side face of the water pump is clamped, and deviation or instability of water pump installation is prevented. The detection efficiency is improved, and the error rate is small.

Description

Technical Field

[0001] The utility model relates to the technical field of water pump bearings, in particular to a water pump bearing sealing detection device. Background Art

[0002] The cooling water pump is a necessary boost circulation equipment for the cooling system of various locomotives. It is the core component of engine heat dissipation and plays a vital role. The sealing leakage of the cooling water pump bearing is a problem often encountered in the actual operation of various locomotives. The sealing performance test of the cooling water pump bearing is of great significance to the vehicle driving and the safety of life and property.

[0003] When conducting air tightness testing on existing water pumps, they need to be placed on air tightness testing fixtures for positioning and pressing to prevent deviation between the water pump housing and the air tightness fixture. However, since the existing testing equipment lacks a mechanism for clamping the side of the water pump housing, it is still difficult to quickly position the bearing, which not only reduces the testing efficiency but also easily leads to testing errors, which is not conducive to the long-term implementation of the testing work. Utility Model Content

[0004] The utility model aims to provide a water pump bearing sealing detection device, which solves the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water pump bearing sealing detection device, comprising a detection plate, the inner wall of the detection plate is fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a top plate, a clamping mechanism is arranged on the top plate, the top of the detection plate is fixedly connected with an airtight tooling, the airtight tooling is located directly below the clamping mechanism, and clamping components are symmetrically arranged on the detection plate;

[0006] The clamping assembly comprises a sliding block and a clamp, a telescopic rod is fixedly connected between the sliding block and the clamp, and a rubber pad 1 is fixedly connected to the clamp.

[0007] Preferably, a rectangular groove is symmetrically provided on the inner wall of the bottom of the detection plate, and a rotating rod is rotatably connected to the inner wall of the detection plate and located on the inner side of the rectangular groove. Left-handed threads and right-handed threads are respectively provided at both ends of the rotating rod. The rotating rod is threadably connected to the sliding block through the left-handed threads and the right-handed threads, and the outer wall of the sliding block is slidably connected to the inner wall of the rectangular groove.

[0008] Preferably, a servo motor is fixedly connected to the left side wall of the detection plate, and the left end of the rotating rod is fixedly connected to the output end of the servo motor.

[0009] Preferably, a blocking mechanism is provided on the top of the detection plate and at the rear side of the airtight tooling, the blocking mechanism comprising a fixing frame and a cylinder, the output end of the cylinder is fixedly connected to a blocking seat, and the front side wall of the blocking seat is fixedly connected to a second rubber pad;

[0010] The inner wall of the fixing frame is rotatably connected with an adjusting rod, the outer wall of the adjusting rod is threadedly connected with a lifting plate, the front side wall of the lifting plate is fixedly connected to the rear side wall of the cylinder, a limiting rod is fixedly connected between the fixing frame and the detection plate, and the outer wall of the limiting rod is slidably connected to the inner wall of the lifting plate.

[0011] Preferably, the clamping mechanism includes a hydraulic cylinder and a sealing cover fixedly connected to the top of the top plate, a buffer seat fixedly connected between the hydraulic cylinder and the sealing cover, the output end of the hydraulic cylinder passes through the top plate and is connected to the buffer seat, and the diameter of the sealing cover is larger than the diameter of the airtight tooling.

[0012] Preferably, a rubber pad three is fixedly connected to the inner wall of the sealing cover.

[0013] Preferably, a foot pad is fixedly connected to the bottom end of the connecting rod.

[0014] Compared with the related art, the water pump bearing sealing detection device provided by the utility model has the following beneficial effects:

[0015] 1. During the inspection, install the water pump bearing into the water pump, then place the water pump on the airtight tooling, start the servo motor to drive the rotating rod to rotate, and when the rotating rod rotates, drive the clamps at both ends of it to approach each other, thereby clamping the side of the water pump to prevent deviation or instability in the installation of the water pump. This equipment improves the inspection efficiency by realizing rapid positioning of the water pump, and at the same time has a small error rate.

[0016] 2. The lifting plate can be driven to move up and down by rotating the adjusting rod. When the lifting plate moves up and down, it drives the cylinder to move up and down, so that the use height of the blocking seat can be adjusted according to the needs of water pumps of different specifications, and it has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 This is a schematic diagram of the rectangular groove structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0021] Figure 5It is a bottom view of the utility model.

[0022] In the figure: 1. detection plate; 2. connecting rod; 3. top plate; 4. rectangular groove; 5. servo motor; 6. rotating rod; 7. clamping assembly; 701. sliding block; 702. telescopic rod; 703. clamp; 704. rubber pad one; 8. airtight tooling; 9. fixing frame; 10. adjusting rod; 11. lifting plate; 12. cylinder; 13. blocking seat; 14. rubber pad two; 15. limiting rod; 16. hydraulic cylinder; 17. buffer seat; 18. sealing cover; 19. rubber pad three; 20. foot pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: a water pump bearing sealing detection device, comprising a detection plate 1, the inner wall of the detection plate 1 is fixedly connected with a connecting rod 2, the top of the connecting rod 2 is fixedly connected with a top plate 3, a clamping mechanism is arranged on the top plate 3, the top of the detection plate 1 is fixedly connected with an airtight tool 8, the airtight tool 8 is located directly below the clamping mechanism, a clamping assembly 7 is symmetrically arranged on the detection plate 1, the clamping assembly 7 comprises a sliding block 701 and a clamp 703, a telescopic rod 702 is fixedly connected between the sliding block 701 and the clamp 703, and a rubber pad 704 is fixedly connected to the clamp 703;

[0026] A rectangular groove 4 is symmetrically provided on the inner wall of the bottom of the detection plate 1. A rotating rod 6 is rotatably connected to the inner wall of the detection plate 1 and located inside the rectangular groove 4. The two ends of the rotating rod 6 are respectively provided with a left-handed thread and a right-handed thread. The rotating rod 6 is threadedly connected to the sliding block 701 through the left-handed thread and the right-handed thread. The outer wall of the sliding block 701 is slidably connected to the inner wall of the rectangular groove 4. A servo motor 5 is fixedly connected to the left side wall of the detection plate 1. The left end of the rotating rod 6 is fixedly connected to the output end of the servo motor 5.

[0027] In the present embodiment, the air duct of the airtight tooling 8 is connected to an external airtight tester, and the clamping assembly 7 is driven by the rotating rod 6. The rotating rod 6 realizes forward and reverse rotation under the drive of the servo motor 5, driving the sliding blocks 701 at both ends thereof to slide in the rectangular groove 4, so that the clamps 703 on both sides of the water pump are close to or away from each other to achieve the clamping or release of the side wall of the water pump. The rubber pad 704 on the outside of the clamp 703 improves the stability of the water pump clamping, and the clamp 703 can adjust the use height through the telescopic rod 702, so that it is suitable for use with water pumps of different specifications, and has strong applicability.

[0028] The clamping mechanism includes a hydraulic cylinder 16 and a sealing cover 18 fixedly connected to the top of the top plate 3, a buffer seat 17 fixedly connected between the hydraulic cylinder 16 and the sealing cover 18, the output end of the hydraulic cylinder 16 passes through the top plate 3 and is connected to the buffer seat 17, the diameter of the sealing cover 18 is larger than the diameter of the airtight tooling 8, a rubber pad 3 19 is fixedly connected to the inner wall of the sealing cover 18, and a foot pad 20 is fixedly connected to the bottom end of the connecting rod 2.

[0029] In this embodiment, before testing, the water pump bearing is installed in the water pump, and then the water pump is placed on the airtight tooling 8, and the servo motor 5 is started to drive the clamp 703 to move, and the side of the water pump is clamped to achieve rapid positioning. During testing, the hydraulic cylinder 16 is started to push the sealing cover 18 to move downward so that the sealing cover 18 is tightly pressed against the upper end of the water pump to prevent deviation or unstable installation of the water pump. Then, a pressure test is performed using an airtight tester to quickly test the water pump bearing. The detection efficiency is high and the error rate is small, which is conducive to long-term detection work.

[0030] Embodiment 2:

[0031] See also Figure 1-Figure 2 As shown, on the basis of the first embodiment, the utility model provides a technical solution: a blocking mechanism is provided on the top of the detection plate 1 and at the rear side of the airtight tooling 8, the blocking mechanism comprises a fixing frame 9 and a cylinder 12, the output end of the cylinder 12 is fixedly connected to a blocking seat 13, and the front side wall of the blocking seat 13 is fixedly connected to a rubber pad 2 14;

[0032] The inner wall of the fixed frame 9 is rotatably connected with an adjusting rod 10, the outer wall of the adjusting rod 10 is threadedly connected with a lifting plate 11, the front side wall of the lifting plate 11 is fixedly connected to the rear side wall of the cylinder 12, and a limiting rod 15 is fixedly connected between the fixed frame 9 and the detection plate 1, and the outer wall of the limiting rod 15 is slidably connected to the inner wall of the lifting plate 11.

[0033] In this embodiment, after the water pump is installed on the airtight tooling 8, the lifting plate 11 is driven up and down by rotating the adjusting rod 10 so that the use height of the sealing seat 13 can be aligned with the other port of the water pump. After alignment, the cylinder 12 is started to make the sealing seat 13 tightly against the port of the water pump. The sealing performance of the sealing seat 13 to the water pump port is improved by the rubber pad 14 to prevent gas leakage, thereby further improving the accuracy of the test results. The sealing seat 13 can be adjusted by the adjusting rod 10 and has strong applicability.

[0034] Working principle: Before testing, install the water pump bearing into the water pump, then place the water pump on the airtight tooling 8, start the servo motor 5 to drive the clamp 703 to move, clamp the side of the water pump to achieve rapid positioning, and after positioning is completed, drive the lifting plate 11 to move up and down by rotating the adjusting rod 10 so that the use height of the blocking seat 13 can be aligned with the other port of the water pump, and start the cylinder 12 after alignment to make the blocking seat 13 tightly against the port of the water pump to seal the water pump port to prevent gas leakage. During testing, start the hydraulic cylinder 16 to push the sealing cover 18 downward so that the sealing cover 18 is tightly pressed against the upper end of the water pump to prevent deviation or unstable installation of the water pump. Then, perform a pressure test through the airtight tester to quickly detect the water pump bearing. The detection efficiency is high and the error rate is small, which is conducive to long-term detection work.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water pump bearing sealing detection device, comprising a detection plate (1), characterized in that: The inner wall of the detection plate (1) is fixedly connected to a connecting rod (2), the top of the connecting rod (2) is fixedly connected to a top plate (3), a clamping mechanism is provided on the top plate (3), the top of the detection plate (1) is fixedly connected to an airtight tool (8), the airtight tool (8) is located directly below the clamping mechanism, and clamping components (7) are symmetrically provided on the detection plate (1); The clamping assembly (7) comprises a sliding block (701) and a clamp (703), a telescopic rod (702) being fixedly connected between the sliding block (701) and the clamp (703), and a rubber pad 1 (704) being fixedly connected to the clamp (703).

2. A water pump bearing sealing detection device according to claim 1, characterized in that: The bottom inner wall of the detection plate (1) is symmetrically provided with rectangular grooves (4); the inner wall of the detection plate (1) is rotatably connected to a rotating rod (6) located inside the rectangular groove (4); two ends of the rotating rod (6) are respectively provided with left-handed threads and right-handed threads; the rotating rod (6) is threadedly connected to the sliding block (701) via the left-handed threads and the right-handed threads; the outer wall of the sliding block (701) is slidably connected to the inner wall of the rectangular groove (4).

3. A water pump bearing sealing detection device according to claim 2, characterized in that: A servo motor (5) is fixedly connected to the left side wall of the detection plate (1), and the left end of the rotating rod (6) is fixedly connected to the output end of the servo motor (5).

4. The water pump bearing sealing detection device according to claim 1, characterized in that: A blocking mechanism is provided at the top of the detection plate (1) and at the rear side of the airtight tooling (8), the blocking mechanism comprising a fixing frame (9) and a cylinder (12), the output end of the cylinder (12) being fixedly connected to a blocking seat (13), and the front side wall of the blocking seat (13) being fixedly connected to a second rubber pad (14); The inner wall of the fixing frame (9) is rotatably connected to an adjusting rod (10), the outer wall of the adjusting rod (10) is threadedly connected to a lifting plate (11), the front side wall of the lifting plate (11) is fixedly connected to the rear side wall of the cylinder (12), a limiting rod (15) is fixedly connected between the fixing frame (9) and the detection plate (1), and the outer wall of the limiting rod (15) is slidably connected to the inner wall of the lifting plate (11).

5. The water pump bearing sealing detection device according to claim 1, characterized in that: The clamping mechanism comprises a hydraulic cylinder (16) and a sealing cover (18) fixedly connected to the top of the top plate (3); a buffer seat (17) is fixedly connected between the hydraulic cylinder (16) and the sealing cover (18); an output end of the hydraulic cylinder (16) passes through the top plate (3) and is connected to the buffer seat (17); and a diameter of the sealing cover (18) is larger than a diameter of the airtight tooling (8).

6. A water pump bearing sealing detection device according to claim 5, characterized in that: A rubber pad three (19) is fixedly connected to the inner wall of the sealing cover (18).

7. The water pump bearing sealing detection device according to claim 1, characterized in that: A foot pad (20) is fixedly connected to the bottom end of the connecting rod (2).

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