Oil seal radial force tester with good stability

Abstract

The utility model provides an oil seal radial force tester with good stability, and relates to the technical field of oil seal testers, the oil seal radial force tester comprises a detection sleeve and a fixing mechanism, the outer side of the detection sleeve is provided with an oil seal, the inner side of the detection sleeve is provided with the fixing mechanism, the fixing mechanism comprises a fixing block, a guide plate, a T-shaped block and a connecting plate, according to the oil seal radial force tester with good stability, through the arrangement of the linear pull rod type displacement sensor, the linear pull rod type displacement sensor can accurately measure the bidirectional radial displacement of an oil seal, and the oil seal radial force tester has good stability and reliability and can stably measure under different working conditions; the test box provides continuous data support, through cooperative use of the outer box and the protective door, the outer box and the protective door can isolate a test environment from an external environment, interference of changes of external conditions on a test is prevented, maintenance of stability of the test conditions is facilitated, and reliability of the test is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of oil seal testers, in particular to an oil seal radial force tester with good stability. Background Art

[0002] Oil seal is a device used to seal lubricating oil, liquid or other media in mechanical equipment. Oil seal radial force tester is a device used to measure the radial force exerted on oil seal in mechanical equipment. In order to evaluate the stability and performance of oil seal under working conditions, we need an oil seal radial force tester with good stability.

[0003] After searching, the utility model with patent number "CN219038238U" provides "a device for detecting radial force of an oil seal, which includes a base, a fixed block, a movable block and a detection display device. The fixed block is fixedly installed on the base, and the movable block is slidably installed on the base and spliced ​​with the fixed block to form a detection sleeve for the oil seal sleeve. The detection end of the detection display device is connected to one side of the movable block. This application has the effect of facilitating the detection of radial force of the oil seal with high accuracy", but the device can only test radial force in a single direction, will ignore potential forces from other directions, and cannot provide more comprehensive test information.

[0004] Therefore, we provide an oil seal radial force tester with good stability. Utility Model Content

[0005] The utility model aims to provide an oil seal radial force tester with good stability, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an oil seal radial force tester with good stability, comprising a detection sleeve and a fixing mechanism, an oil seal is installed on the outer side of the detection sleeve, and a fixing mechanism is installed on the inner side of the detection sleeve;

[0007] The fixing mechanism includes a fixing block, a guide plate, a T-block and a connecting plate. The fixing block is installed on the inner side of the detection sleeve, the guide plate is installed on the lower end of the fixing block, the T-block is installed on the bottom end of the fixing block, and the connecting plate is installed on the lower end of the T-block.

[0008] Preferably, a sliding block is welded to the bottom end of the fixed block, and a mounting block is welded to the lower end of the sliding block.

[0009] Preferably, a main guide groove is provided at the center of the guide plate, and the sliding block is slidably connected to the main guide groove, a secondary guide groove is provided at the bottom end of the main guide groove, and the mounting block is slidably connected to the secondary guide groove.

[0010] Preferably, a connecting block is installed on the upper end of the T-block, and the mounting block and the connecting block are connected by a slot.

[0011] Preferably, the T-block and the connecting plate are connected by bolts, a clamping block is threadedly connected to the bottom end of the connecting plate, and a linear pull rod type displacement sensor is installed on the inner side of the clamping block.

[0012] Preferably, an outer box is slidably mounted on the outer side of the guide plate, a main magnet is mounted on the front side of the outer box, a display screen is mounted on the upper end of the outer box, and the display screen is electrically connected to the linear pull rod displacement sensor.

[0013] Preferably, a protective door is installed on one side of the outer box, a secondary magnet is installed on the other side of the protective door, and the main magnet and the secondary magnet are adsorbed and connected, limiting blocks are welded at both ends of the other side of the protective door, and a handle is welded on the front side of the protective door.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. This oil seal radial force tester with good stability can accurately measure the bidirectional radial displacement of the oil seal through the setting of the linear pull rod displacement sensor. It has good stability and reliability, can stably measure under different working conditions, and provide continuous data support;

[0016] 2. Through the coordinated use of the outer box and the protective door, the outer box and the protective door can isolate the test environment from the external environment, prevent the changes in external conditions from interfering with the test, help maintain the stability of the test conditions, and ensure the reliability of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the oil seal radial force tester with good stability of the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembled structure of the oil seal radial force tester with good stability of the utility model;

[0019] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0020] Figure 4 This is a schematic diagram of the split structure of the detection sleeve, the fixing block and the T-block of the utility model;

[0021] Figure 5 This is a schematic diagram of the guide plate structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the connecting plate structure of the utility model;

[0023] Figure 7 This is a schematic diagram of the protective door structure of the utility model.

[0024] Numbers in the figure: 1. Detection sleeve; 11. Oil seal; 2. Fixing mechanism; 21. Fixing block; 211. Sliding block; 212. Mounting block; 22. Guide plate; 221. Main guide groove; 222. Auxiliary guide groove; 23. T-block; 231. Connecting block; 24. Connecting plate; 241. Card block; 242. Linear pull rod displacement sensor; 3. Outer box; 31. Main magnet; 32. Display screen; 4. Protective door; 41. Auxiliary magnet; 42. Limit block; 43. Handle. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1

[0027] See also Figure 1-6 As shown, the utility model provides an embodiment: an oil seal radial force tester with good stability, comprising a detection sleeve 1 and a fixing mechanism 2, an oil seal 11 is installed on the outer side of the detection sleeve 1, and a fixing mechanism 2 is installed on the inner side of the detection sleeve 1;

[0028] The fixing mechanism 2 includes a fixing block 21, a guide plate 22, a T-block 23 and a connecting plate 24. The fixing block 21 is installed on the inner side of the detection sleeve 1, the guide plate 22 is installed on the lower end of the fixing block 21, the T-block 23 is installed on the bottom end of the fixing block 21, and the connecting plate 24 is installed on the lower end of the T-block 23.

[0029] Furthermore, a sliding block 211 is welded to the bottom end of the fixed block 21 , and a mounting block 212 is welded to the lower end of the sliding block 211 . The sliding block 211 can increase the mobility of the fixed block 21 , and the mounting block 212 provides a connection.

[0030] Furthermore, a main guide groove 221 is opened at the center of the guide plate 22, and the sliding block 211 and the main guide groove 221 are slidably connected. A secondary guide groove 222 is opened at the bottom end of the main guide groove 221, and the mounting block 212 and the secondary guide groove 222 are slidably connected. The main guide groove 221 provides a path for the sliding block 211, and the secondary guide groove 222 provides a moving path for the mounting block 212.

[0031] Furthermore, a connecting block 231 is installed at the upper end of the T-block 23 , and the mounting block 212 and the connecting block 231 are connected by a slot, so that the connecting block 231 can clamp the T-block 23 and the mounting block 212 firmly.

[0032] Furthermore, the T-block 23 and the connecting plate 24 are connected by bolts. The bottom end of the connecting plate 24 is threadedly connected with a clamping block 241. A linear pull-rod displacement sensor 242 is installed on the inner side of the clamping block 241. The clamping block 241 can fix the linear pull-rod displacement sensor 242 to the T-block 23.

[0033] Embodiment 2

[0034] See also Figure 1 , Figure 2 and Figure 7 As shown, compared with Example 1, as another implementation of the utility model, an outer box 3 is slidably installed on the outer side of the guide plate 22, a main magnet 31 is installed on the front side of the outer box 3, a display screen 32 is installed on the upper end of the outer box 3, and the display screen 32 is electrically connected to the linear pull-rod displacement sensor 242, the display screen 32 can collect the transmission information of the linear pull-rod displacement sensor 242, and the outer box 3 can prevent the influence of the outside world on the radial force test.

[0035] Furthermore, a protective door 4 is installed on one side of the outer box 3, and a secondary magnet 41 is installed on the other side of the protective door 4, and the main magnet 31 and the secondary magnet 41 are adsorbed and connected, and limiting blocks 42 are welded at both ends of the other side of the protective door 4, and a handle 43 is welded on the front side of the protective door 4. The main magnet 31 and the secondary magnet 41 provide a stable connection between the outer box 3 and the protective door 4, and the handle 43 can easily change the position of the protective door 4, and the limiting block 42 can firmly squeeze the guide plate 22 to prevent the guide plate 22 from shaking inside the outer box 3.

[0036] Working principle: First, move an oil seal radial force tester with good stability to the working position. In the first step, the oil seal 11 is sleeved on the outside of the fixed block 21. In the second step, the detection sleeve 1 is sleeved on the outside of the oil seal 11. The detection sleeve 1 can prevent the oil seal 11 from leaking liquid. In the second step, the fixed block 21 is driven to move by the telescopic cylinder. At this time, the sliding block 211 slides inside the main guide groove 221, and the mounting block 212 slides inside the secondary guide groove 222. The T-block 23 drives the connecting plate 24 and the linear pull rod displacement sensor 242 to move. The telescopic cylinder can be programmed with data later to accurately control the moving distance. In the third step, the linear pull rod displacement sensor 242 moves to transmit the moving information to the display screen 32. In the fourth step, the protective door 4 is taken out by the handle 43. In the fifth step, the guide plate 22 is slid out from the inner side of the outer box 3. This completes the use process of an oil seal radial force tester with good stability.

Claims

1. An oil seal radial force tester with good stability, comprising a detection sleeve (1) and a fixing mechanism (2), characterized in that: An oil seal (11) is installed on the outer side of the detection sleeve (1), and a fixing mechanism (2) is installed on the inner side of the detection sleeve (1); The fixing mechanism (2) comprises a fixing block (21), a guide plate (22), a T-shaped block (23) and a connecting plate (24); the fixing block (21) is installed on the inner side of the detection sleeve (1); the guide plate (22) is installed on the lower end of the fixing block (21); the T-shaped block (23) is installed on the bottom end of the fixing block (21); and the connecting plate (24) is installed on the lower end of the T-shaped block (23).

2. The oil seal radial force tester with good stability according to claim 1, characterized in that: A sliding block (211) is welded to the bottom end of the fixed block (21), and a mounting block (212) is welded to the lower end of the sliding block (211).

3. The oil seal radial force tester with good stability according to claim 2, characterized in that: A main guide groove (221) is provided at the center of the guide plate (22), and the sliding block (211) is slidably connected to the main guide groove (221). A secondary guide groove (222) is provided at the bottom end of the main guide groove (221), and the mounting block (212) is slidably connected to the secondary guide groove (222).

4. The oil seal radial force tester with good stability according to claim 2, characterized in that: A connecting block (231) is installed at the upper end of the T-shaped block (23), and a slot connection is formed between the mounting block (212) and the connecting block (231).

5. The oil seal radial force tester with good stability according to claim 1, characterized in that: The T-shaped block (23) and the connecting plate (24) are connected by bolts, the bottom end of the connecting plate (24) is threadedly connected with a clamping block (241), and a linear pull rod type displacement sensor (242) is installed inside the clamping block (241).

6. The oil seal radial force tester with good stability according to claim 1, characterized in that: An outer box (3) is slidably mounted on the outer side of the guide plate (22), a main magnet (31) is mounted on the front side of the outer box (3), a display screen (32) is mounted on the upper end of the outer box (3), and the display screen (32) is electrically connected to a linear pull rod type displacement sensor (242).

7. The oil seal radial force tester with good stability according to claim 6, characterized in that: A protective door (4) is installed on one side of the outer box (3), a secondary magnet (41) is installed on the other side of the protective door (4), and the main magnet (31) and the secondary magnet (41) are connected by adsorption, limiting blocks (42) are welded to both ends of the other side of the protective door (4), and a handle (43) is welded on the front side of the protective door (4).

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