Simulated working condition test device for floating oil seal

Abstract

The utility model provides a floating oil seal simulation working condition test device, which comprises a bottom plate, one end of the upper surface of the bottom plate is fixedly connected with a fixed seat, the top of the fixed seat is fixedly connected with a mounting seat, the top of the mounting seat is fixedly connected with a support frame, and the inside of the support frame is rotatably connected with a rotating shaft. The surface of the rotating shaft is fixedly connected with a lower sealing clamping plate, and the side wall of the supporting frame is fixedly connected with a transmission box. According to the floating oil seal working condition simulation test device, the lower sealing clamping plate is horizontally arranged, after a worker places the floating oil seal in the lower sealing clamping plate, the floating oil seal does not need to be supported, and after the upper sealing clamping plate descends and is spliced and sealed with the lower sealing clamping plate, the sealing performance of the floating oil seal can be monitored; therefore, the hand clamping risk of workers can be avoided, and the safety of the floating oil seal in the detection test process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of floating oil seal simulation test, in particular to a floating oil seal simulation working condition test device. Background Art

[0002] Floating oil seal is a common name for floating seal, which is a type of mechanical seal among dynamic seals. It has super sealing performance in harsh working environments such as coal powder, mud, sand, water vapor, etc. It is a compact mechanical seal, mainly used in low-speed and heavy-load occasions. It has the advantages of wear resistance, automatic compensation after end face wear, reliable operation, and simple structure. It is widely used in coal mining machinery, such as bulldozer walking mechanism, scraper conveyor head (tail) sprocket assembly, roadheader loading mechanism and cantilever section, continuous coal mining machine left and right cutting drum and reducer, etc.

[0003] Chinese patent CN213336674U discloses a floating oil seal working condition simulation test bench. This technical solution uses a motor to drive the plywood to fit together, achieving the effect of forming a closed space between the two plywood. The floating oil seal can be fixed in the middle of the two plywood by the provided rotating device and sliding device, which is convenient for testing. By providing an inflation pipe and a pressure gauge, air can be inflated through the inflation pipe into the two plywood. At the same time, the changes in the pressure gauge can be observed to determine the air tightness of the floating oil seal.

[0004] However, during use, the floating oil seal simulation working condition test device adopts horizontal clamping for sealing detection to facilitate automatic unloading, but this also makes the floating oil seal prone to tilting during the clamping process, requiring workers to support the floating oil seal to maintain a vertical state, and thus there is a high risk of workers getting their hands pinched during the sealing detection process, which is not conducive to the test use of the floating oil seal.

[0005] Therefore, it is necessary to provide a new floating oil seal simulation working condition test device to solve the above technical problems. Summary of the Invention

[0006] The utility model provides a floating oil seal simulation working condition test device, which solves the technical problem that the floating oil seal simulation working condition test device has a high risk of pinching the hands of workers during the sealing detection process, which is not conducive to the test use of the floating oil seal.

[0007] In order to solve the above technical problems, the present invention provides a floating oil seal simulated working condition test device, comprising a base plate, one end of the upper surface of the base plate is fixedly connected to a fixing seat, the top of the fixing seat is fixedly connected to a mounting seat, the top of the mounting seat is fixedly connected to a support frame, the interior of the support frame is rotatably connected to a rotating shaft, and the surface of the rotating shaft is fixedly connected to a lower sealing clamping plate;

[0008] A transmission box is fixedly connected to the side wall of the support frame, one end of the rotating shaft extends to the interior of the transmission box, a motor is fixedly connected to the side wall of the transmission box, the output shaft of the motor extends to the inner cavity of the transmission box, the output shaft of the motor and the surface of the rotating shaft are both fixedly connected with pulleys, the two pulleys are connected by belt transmission, and a sealing mechanism is provided on the top of the mounting seat.

[0009] Preferably, the sealing mechanism includes an electric telescopic rod, a lifting plate and an upper sealing splint, the electric telescopic rod is fixedly connected to the top of the mounting seat, the lifting plate is fixedly connected to the top of the electric telescopic rod, and the upper sealing splint is fixedly connected to the lower surface of the lifting plate and is adapted to the lower sealing splint.

[0010] Preferably, the top end of the mounting seat is vertically fixedly connected with a guide rod, the surface of the lifting plate is fixedly connected with a guide sleeve, and the guide sleeve is slidably sleeved on the surface of the guide rod.

[0011] Preferably, a positioning rod is fixedly connected to the top of the mounting seat, and a top end of the positioning rod is fixedly connected to a contact plate that contacts the lower sealing splint when it rotates to a horizontal state.

[0012] Preferably, the upper surface of the base plate is fixedly connected to a collection vehicle, the bottom of the collection vehicle is fixedly connected to a plurality of universal wheels, and the inner wall surface of the collection vehicle is fixedly connected to a soft cushion.

[0013] Preferably, a handrail is fixedly connected to the surface of the collection vehicle, and the other end of the handrail is provided with anti-slip grooves.

[0014] Preferably, a clamping rod is fixedly connected to the surface of the collection vehicle, and a positioning cylinder adapted to the clamping rod is fixedly connected to the side wall of the mounting seat.

[0015] Compared with related technologies, the floating oil seal simulation working condition test device provided by the present invention has the following beneficial effects:

[0016] The utility model provides a floating oil seal simulation working condition test device, which places the floating oil seal inside the lower sealing splint horizontally. The staff does not need to support the floating oil seal after placing the floating oil seal inside the lower sealing splint. After the upper sealing splint is lowered and spliced and sealed with the lower sealing splint, the sealing performance of the floating oil seal can be monitored, thereby avoiding the risk of workers' hands being pinched and improving the safety during the floating oil seal detection test. After the detection is completed, the motor works and the transmission of two pulleys and belts is used to drive the rotating shaft to rotate, driving the lower sealing splint to flip, and then the floating oil seal that has completed the sealing detection test inside the lower sealing splint is automatically unloaded. The operation is simple and fast, and the test processing efficiency of the floating oil seal is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of a floating oil seal simulation working condition test device provided by the utility model;

[0018] Figure 2 for Figure 1 The schematic diagram of the structure of the collection vehicle and the cushion shown;

[0019] Figure 3 for Figure 1 The schematic diagram of the structure of the transmission box and pulley is shown.

[0020] Numbers in the figure: 1. Base plate; 2. Fixed seat; 3. Mounting seat; 4. Guide rod; 5. Lifting plate; 6. Guide sleeve; 7. Upper sealing splint; 8. Electric telescopic rod; 9. Support frame; 10. Transmission box; 11. Rotating shaft; 12. Lower sealing splint; 13. Positioning rod; 14. Contact plate; 15. Motor; 16. Pulley; 17. Collection cart; 18. Universal wheel; 19. Armrest; 20. Cushion; 21. Connecting rod; 22. Positioning cylinder. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0022] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a floating oil seal simulation working condition test device provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the structure of the collection vehicle and the cushion shown; Figure 3 for Figure 1 The schematic diagram of the transmission box and pulley structure is shown. The floating oil seal simulated working condition test device includes a base plate 1, one end of the upper surface of the base plate 1 is fixedly connected to a fixing seat 2, the top of the fixing seat 2 is fixedly connected to a mounting seat 3, the top of the mounting seat 3 is fixedly connected to a support frame 9, the interior of the support frame 9 is rotatably connected to a rotating shaft 11, and the surface of the rotating shaft 11 is fixedly connected to a lower sealing clamping plate 12.

[0023] The side wall of the support frame 9 is fixedly connected to a transmission box 10 , one end of the rotating shaft 11 extends to the interior of the transmission box 10 , the side wall of the transmission box 10 is fixedly connected to a motor 15 , and the output shaft of the motor 15 extends to the inner cavity of the transmission box 10 .

[0024] The output shaft of the motor 15 and the surface of the rotating shaft 11 are both fixedly connected with pulleys 16 , and the two pulleys 16 are connected through a belt transmission. A sealing mechanism is provided on the top of the mounting seat 3 .

[0025] The sealing mechanism includes an electric telescopic rod 8, a lifting plate 5 and an upper sealing splint 7. The electric telescopic rod 8 is fixedly connected to the top of the mounting base 3, the lifting plate 5 is fixedly connected to the top of the electric telescopic rod 8, and the upper sealing splint 7 is fixedly connected to the lower surface of the lifting plate 5 and is adapted to the lower sealing splint 12.

[0026] The lower sealing splint 12 is placed horizontally. After the staff places the floating oil seal inside the lower sealing splint 12, there is no need to support the floating oil seal. After the upper sealing splint 7 is lowered and spliced and sealed with the lower sealing splint 12, the sealing performance of the floating oil seal can be monitored, thereby avoiding the risk of pinching the hands of the staff and improving the safety during the floating oil seal detection test.

[0027] After the inspection is completed, after the motor 15 works, the two pulleys 16 and the belt are used to drive the rotating shaft 11 to rotate, drive the lower sealing clamping plate 12 to flip, and then automatically unload the floating oil seal that has completed the sealing inspection test inside the lower sealing clamping plate 12. The operation is simple and fast, which improves the test processing efficiency of the floating oil seal.

[0028] The upper sealing plate 7 and the lower sealing plate 12 are prior art and will not be described in detail here. Both the lower sealing plate 12 and the upper sealing plate 7 are connected to external gas injection equipment for sealing detection.

[0029] Furthermore, a guide rod 4 is vertically fixedly connected to the top of the mounting seat 3 , a guide sleeve 6 is fixedly connected to the surface of the lifting plate 5 , and the guide sleeve 6 is slidably sleeved on the surface of the guide rod 4 .

[0030] During the extension and retraction process of the electric telescopic rod 8 , the lifting plate 5 can be driven to rise and fall, and the guide sleeve 6 can be driven to slide on the surface of the guide rod 4 , thereby improving the smoothness and stability of the lifting plate 5 during movement.

[0031] Furthermore, a positioning rod 13 is fixedly connected to the top of the mounting seat 3 , and a top end of the positioning rod 13 is fixedly connected to a resisting plate 14 that resists the lower sealing clamping plate 12 when it rotates to a horizontal state.

[0032] When the lower sealing plate 12 is in a horizontal state, the abutment plate 14 abuts against the bottom of the lower sealing plate 12 to support and position the lower sealing plate 12 , which is beneficial for subsequent detection and use.

[0033] Furthermore, a collection vehicle 17 is fixedly connected to the upper surface of the base plate 1 , a plurality of universal wheels 18 are fixedly connected to the bottom of the collection vehicle 17 , and a soft cushion 20 is fixedly connected to the inner wall surface of the collection vehicle 17 .

[0034] The collecting vehicle 17 facilitates the collection of the floating oil seals after unloading, and the soft pad 20 protects the floating oil seals during collection. The collecting vehicle 17 can also be replaced by a conveyor belt to directly receive and transport the floating oil seals after unloading to subsequent processing steps.

[0035] Furthermore, a handrail 19 is fixedly connected to the surface of the collection vehicle 17, and the other end of the handrail 19 is provided with anti-slip grooves.

[0036] Furthermore, a clamping rod 21 is fixedly connected to the surface of the collection vehicle 17 , and a positioning cylinder 22 adapted to the clamping rod 21 is fixedly connected to the side wall of the mounting seat 3 .

[0037] The working principle of the floating oil seal simulation working condition test device provided by the utility model is as follows:

[0038] The lower sealing splint 12 is placed horizontally. After the staff places the floating oil seal inside the lower sealing splint 12, there is no need to support the floating oil seal. After the upper sealing splint 7 is lowered and sealed with the lower sealing splint 12, the sealing performance of the floating oil seal can be monitored. After the inspection is completed, after the motor 15 works, the two pulleys 16 and the belt are used to drive the rotating shaft 11 to rotate, and the lower sealing splint 12 is driven to flip over, and then the floating oil seal that has completed the sealing test inside the lower sealing splint 12 is automatically unloaded.

[0039] Compared with related technologies, the floating oil seal simulation working condition test device provided by the present invention has the following beneficial effects:

[0040] The utility model provides a floating oil seal simulation working condition test device, which places the floating oil seal inside the lower sealing splint 12 by placing the lower sealing splint 12 horizontally. The staff does not need to support the floating oil seal after placing the floating oil seal inside the lower sealing splint 12. After the upper sealing splint 7 is lowered and spliced and sealed with the lower sealing splint 12, the sealing performance of the floating oil seal can be monitored, thereby avoiding the risk of the staff's hands being pinched, improving the safety during the floating oil seal detection test. After the detection is completed, after the motor 15 works, the two pulleys 16 and the belt are used for transmission, which can drive the rotating shaft 11 to rotate and drive the lower sealing splint 12 to flip, and then the floating oil seal that has completed the sealing detection test inside the lower sealing splint 12 is automatically unloaded. The operation is simple and fast, and the test processing efficiency of the floating oil seal is improved.

[0041] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A floating oil seal simulated working condition test device, comprising a bottom plate (1), characterized in that: One end of the upper surface of the bottom plate (1) is fixedly connected to a fixing seat (2), the top of the fixing seat (2) is fixedly connected to a mounting seat (3), the top of the mounting seat (3) is fixedly connected to a support frame (9), the interior of the support frame (9) is rotatably connected to a rotating shaft (11), and the surface of the rotating shaft (11) is fixedly connected to a lower sealing clamping plate (12); The side wall of the support frame (9) is fixedly connected to a transmission box (10), one end of the rotating shaft (11) extends to the interior of the transmission box (10), the side wall of the transmission box (10) is fixedly connected to a motor (15), the output shaft of the motor (15) extends to the inner cavity of the transmission box (10), the output shaft of the motor (15) and the surface of the rotating shaft (11) are fixedly connected to pulleys (16), the two pulleys (16) are connected by belt transmission, and a sealing mechanism is provided on the top of the mounting seat (3).

2. The floating oil seal simulated working condition test device according to claim 1, characterized in that: The sealing mechanism comprises an electric telescopic rod (8), a lifting plate (5) and an upper sealing clamping plate (7); the electric telescopic rod (8) is fixedly connected to the top of the mounting seat (3); the lifting plate (5) is fixedly connected to the top of the electric telescopic rod (8); and the upper sealing clamping plate (7) is fixedly connected to the lower surface of the lifting plate (5) and is adapted to the lower sealing clamping plate (12).

3. The floating oil seal simulated working condition test device according to claim 2, characterized in that: The top end of the mounting seat (3) is vertically fixedly connected to a guide rod (4), the surface of the lifting plate (5) is fixedly connected to a guide sleeve (6), and the guide sleeve (6) is slidably sleeved on the surface of the guide rod (4).

4. The floating oil seal simulated working condition test device according to claim 1, characterized in that: The top of the mounting seat (3) is fixedly connected to a positioning rod (13), and the top end of the positioning rod (13) is fixedly connected to a contact plate (14) that contacts the lower sealing clamping plate (12) when it rotates to a horizontal state.

5. The floating oil seal simulated working condition test device according to claim 1, characterized in that: The upper surface of the base plate (1) is fixedly connected to a collection vehicle (17), the bottom of the collection vehicle (17) is fixedly connected to a plurality of universal wheels (18), and the inner wall surface of the collection vehicle (17) is fixedly connected to a soft cushion (20).

6. The floating oil seal simulated working condition test device according to claim 5, characterized in that: A handrail (19) is fixedly connected to the surface of the collection vehicle (17), and the other end of the handrail (19) is provided with anti-slip grooves.

7. The floating oil seal simulated working condition test device according to claim 5, characterized in that: A clamping rod (21) is fixedly connected to the surface of the collection vehicle (17), and a positioning cylinder (22) adapted to the clamping rod (21) is fixedly connected to the side wall of the mounting seat (3).

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