Bearing sealing performance detection device

Abstract

The utility model discloses a bearing sealing performance detection device which comprises a protective shell, a self-adaptive bearing driving structure is rotatably arranged in an inner cavity of the protective shell, and a water spray simulation structure is fixedly connected to the right side surface of the protective shell. The outer ring, located in the inner cavity of the protective shell, of the self-adaptive bearing driving structure is sleeved with a bearing. The protective shell comprises a base, a bowl-shaped shell fixedly connected to the upper surface of the base and a driving motor fixed to the end face of the front side of the bowl-shaped shell. According to the utility model, the plurality of groups of servo electric cylinders are annularly arrayed on the transmission shaft, and the arc-shaped movable plates are driven by the servo electric cylinders to contract inwards or expand outwards, so that the inner ring of the bearing is fixed from the inside, the transmission shaft is driven by the driving motor to operate, and the bearing is in a rotating state; water is sprayed to the bearing in a rotating state through the water spray simulation structure, and the sealing performance of the bearing in a real wading operation environment is simulated.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, concretely relates to a bearing sealing property detection device. BACKGROUND

[0002] The sealing property difference of bearing determines the service life of bearing, if the sealing property is poor, the bearing interior has the possibility of water and ash, leads to the bearing interior ball rust, lubricating grease loss, bearing interior abnormal wear etc. And the present stage is to the sealing property detection equipment of bearing, usually make bearing in the state of static detects its air tightness and water tightness, however this kind of detection mode neglects the basic function of bearing is rotation, the tolerance between bearing ball and inner and outer ring under the rotation state will directly affect the plugging effect of sealing ring, the present stage detection means does not consider the possible water under the rotation of bearing real use environment. CONTENT OF UTILITY MODEL

[0003] The utility model discloses to the deficiency of prior art, provide a bearing sealing property detection device to solve the problem in the background art.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A bearing sealing property detection device, including the protective housing, the outer circle of the adaptive bearing drive structure in the inner chamber of the protective housing is rotatably arranged, the water spray simulation structure is fixedly connected on the right side surface of the protective housing, the adaptive bearing drive structure is located on the outer circle in the inner chamber of the protective housing and is sleeved with the bearing;

[0006] The protective housing includes a base, a bowl-shaped housing fixedly connected to the upper surface of the base, and a drive motor fixed to the front side end surface of the bowl-shaped housing;

[0007] The adaptive bearing drive structure includes a transmission shaft connected to the output shaft of the drive motor, and a hexagonal prism fixed to the middle segment of the outer circle of the transmission shaft, six end faces on the outer surface of the hexagonal prism are fixedly connected with servo cylinders, the outer ends of the extension shafts of the servo cylinders are diffused outward and connected with arc-shaped movable plates, and the outer side surface of the arc-shaped movable plates is in close contact with the inner ring inner circle surface of the bearing;

[0008] The water spray simulation structure includes a water tank, a water pump fixed to the top surface of the water tank, a liquid suction pipe connected to the liquid suction port of the water pump and penetrating into the inner chamber of the water tank, a goose neck pipe in the inner chamber of the bowl-shaped housing connected to the liquid discharge port of the water pump, and a spray head connected to the end head of the goose neck pipe and facing the bearing.

[0009] As a preferred scheme of the bearing sealing detection device, the rear end surface of the bowl-shaped shell is provided with an opening for placing the bearing, and the front end surface of the bowl-shaped shell is provided with a through hole for penetrating the output shaft of the driving motor.

[0010] As a preferred scheme of the bearing sealing detection device, the output shaft of the driving motor penetrates into the inner cavity of the bowl-shaped shell and is fixedly connected with the front end head of the transmission shaft through a shaft coupling.

[0011] As a preferred scheme of the bearing sealing detection device, the front and rear end surfaces of the bearing are fixedly provided with bearing sealing rings, and the outer ring outer surface of the bearing is fixed in the inner cavity of the bowl-shaped shell through a hoop.

[0012] As a preferred scheme of the bearing sealing detection device, the servo cylinders and the arc-shaped movable plates are arranged in a ring array with the central axis of the transmission shaft as a reference line.

[0013] As a preferred scheme of the bearing sealing detection device, the outer surface of the arc-shaped movable plate is fixedly connected with a layer of rubber sheet through an adhesive.

[0014] As a preferred scheme of the bearing sealing detection device, the outer ring right surface of the bowl-shaped shell is fixedly connected with the left surface of the water tank, the top surface of the water tank is provided with a liquid injection port, and the top surface of the water tank is provided with a circular hole for penetrating the suction pipe.

[0015] The beneficial effects of the present application are as follows:

[0016] The present application comprises a plurality of servo cylinders arranged in a ring array on the transmission shaft, which drives the arc-shaped movable plate to contract inwardly or expand outwardly, thereby fixing the inner ring of the bearing from the inside, and drives the transmission shaft to rotate by the driving motor, so that the bearing is in a rotating state, and water is sprayed to the bearing in a rotating state by the water spray simulation structure, thereby simulating the sealing performance of the bearing in a real water running environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is the overall structure schematic view of the bearing sealing detection device.

[0019] Figure 2 is the structure schematic view of the protective shell.

[0020] Figure 3 is a structure schematic view of the water splash simulation structure.

[0021] Figure 4 is a split structure schematic view of the bearing.

[0022] Figure 5 is a structure schematic view of the self-adaptive bearing driving structure.

[0023] In the drawings:

[0024] 1, protective shell; 11, base; 12, driving motor; 13, bowl-shaped shell; 2, bearing; 3, self-adaptive bearing driving structure; 31, transmission shaft; 32, hexagonal prism; 33, servo electric cylinder; 34, arc-shaped movable plate; 35, rubber sheet; 4, water splash simulation structure; 41, water tank; 42, liquid suction pipe; 43, water pump; 44, spray head; 45, gooseneck pipe; 5, bearing sealing ring. DETAILED DESCRIPTION

[0025] The technical solutions of the utility model will be further described below in combination with the drawings and through specific embodiments.

[0026] Wherein, the drawings are only for example description, and the representation is only schematic view, not real object drawing, and can not be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and not represent the size of actual product; for those skilled in the art, some known structures and their description in the drawings can be omitted and understood.

[0027] The same or similar signs in the drawings of the embodiment of the utility model correspond to the same or similar components; in the description of the utility model, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the positional relationship description in the drawings is only for example description, and can not be understood as the limitation of the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0028] In the description of the utility model, unless another definite provision and limitation, if the connection of the connection between the components appears the term, this term should do the broad sense understanding, for example, can be fixedly connected, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two components inside or the interaction of two components.For the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0029] As Figure 1 The utility model provides a bearing sealing property detection device, including protective housing 1, the inner chamber of protective housing 1 is rotationally arranged with adaptive bearing drive structure 3, the right side surface of protective housing 1 is fixedly connected with water flower simulation structure 4, the outer ring of adaptive bearing drive structure 3 in the inner chamber of protective housing 1 is sleeved with bearing 2;

[0030] As Figure 2 The utility model discloses a bearing sealing property detection device, including protective housing 1, the inner chamber of protective housing 1 is rotationally arranged with adaptive bearing drive structure 3, the right side surface of protective housing 1 is fixedly connected with water flower simulation structure 4, the outer ring of adaptive bearing drive structure 3 in the inner chamber of protective housing 1 is sleeved with bearing 2;

[0031] As Figure 5 The utility model discloses a bearing sealing property detection device, including protective housing 1, the inner chamber of protective housing 1 is rotationally arranged with adaptive bearing drive structure 3, the right side surface of protective housing 1 is fixedly connected with water flower simulation structure 4, the outer ring of adaptive bearing drive structure 3 in the inner chamber of protective housing 1 is sleeved with bearing 2;

[0032] As Figure 3 The utility model discloses a bearing sealing property detection device, including protective housing 1, the inner chamber of protective housing 1 is rotationally arranged with adaptive bearing drive structure 3, the right side surface of protective housing 1 is fixedly connected with water flower simulation structure 4, the outer ring of adaptive bearing drive structure 3 in the inner chamber of protective housing 1 is sleeved with bearing 2;

[0033] Specifically, the rear end surface of the bowl-shaped shell 13 of the embodiment is provided with an opening for placing the bearing 2, and the front end surface of the bowl-shaped shell 13 is provided with a through hole for the output shaft of the driving motor 12 to penetrate;The output shaft of the driving motor 12 penetrates into the inner cavity of the bowl-shaped shell 13 and is fixedly connected with the front end of the transmission shaft 31 through the shaft coupling.

[0034] As Figure 4As shown, the front and rear end faces of the bearing 2 are fixed with bearing sealing rings 5, and the outer ring outer surface of the bearing 2 is fixed in the inner cavity of the bowl-shaped shell 13 through a hoop.

[0035] More specifically, the servo cylinders 33 and the arc-shaped movable plates 34 of the embodiment are arranged in a ring array with the central axis of the transmission shaft 31 as the reference line; the outer surfaces of the arc-shaped movable plates 34 are fixedly connected with a layer of rubber sheets 35 through an adhesive; the left surface of the water tank 41 is fixedly connected with the outer ring right surface of the bowl-shaped shell 13; the top surface of the water tank 41 is provided with a liquid injection port; and a circular hole is formed in the middle area of the top surface of the water tank 41 for the liquid suction pipe 42 to penetrate into.

[0036] According to the above-mentioned preferred technical scheme, the working process of the technical scheme is described.

[0037] In use, the bearing sealing property detection device of the utility model first injects water into the water tank 41, then puts the bearing 2 into the outer ring of the self-adaptive bearing driving structure 3, and then controls the extension shaft of the servo cylinder 33 to extend outward, drives the arc-shaped movable plate 34 to expand outward synchronously, and fixes the outer ring of the bearing 2 in the inner cavity of the bowl-shaped shell 13 through a hoop after the rubber sheet 35 is in close contact with the inner ring inner surface of the bearing 2. At this time, the driving motor 12 drives the transmission shaft 31 to rotate, and then makes the inner ring and the outer ring of the bearing 2 rotate mutually. The water pump 43 extracts the aqueous solution in the water tank 41 through the liquid suction pipe 42, and then bends the goose neck pipe 45 until the spray head 44 is located in the bowl-shaped shell 13 and faces the bearing 2, and sprays water on the bearing 2 in operation to simulate the sealing performance of the bearing 2 in a real operation environment.

[0038] It should be noted that the above specific embodiments are only the preferred embodiments of the utility model and the applied technical principles. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the utility model. However, as long as these changes do not deviate from the spirit of the utility model, they should be within the protection scope of the utility model. In addition, some terms used in the specification and claims of the present application are not limited, but are only used for convenient description.

Claims

1. A bearing seal inspection apparatus, characterized by, The utility model provides an adaptive bearing drive structure (3) is arranged in the inner chamber of the protective shell (1), and the water spray simulation structure (4) is fixedly connected on the right surface of the protective shell (1), the bearing (2) is sleeved on the outer ring of adaptive bearing drive structure (3) in the inner chamber of protective shell (1), The protective shell (1) comprises a base (11), a bowl-shaped shell (13) fixedly connected to the upper surface of the base (11), and a drive motor (12) fixed to the front end surface of the bowl-shaped shell (13); The adaptive bearing drive structure (3) comprises a transmission shaft (31) connected to the output shaft of the drive motor (12), and a hexagonal prism (32) fixed to the middle segment of the outer ring of the transmission shaft (31), the outer surface of the hexagonal prism (32) is fixedly connected with six servo cylinders (33) on the six end surfaces, the telescopic shaft of the servo cylinder (33) is outwardly diffused and connected with an arc movable plate (34), and the outer surface of the arc movable plate (34) is in close contact with the inner ring inner surface of the bearing (2); The water spray simulation structure (4) comprises a water tank (41), a water pump (43) fixed to the top surface of the water tank (41), the liquid suction port of the water pump (43) is connected with a liquid suction pipe (42) penetrating into the inner chamber of the water tank (41), the liquid discharge port of the water pump (43) is connected with a goose neck pipe (45) located in the inner chamber of the bowl-shaped shell (13), and the end head of the goose neck pipe (45) is connected with a spray head (44) facing the bearing (2).

2. The bearing seal inspection apparatus of claim 1, wherein An opening is formed in the rear end surface of the bowl-shaped shell (13) for accommodating the bearing (2), and a through hole is formed in the front end surface of the bowl-shaped shell (13) for penetrating the output shaft of the drive motor (12).

3. The bearing seal inspection apparatus of claim 1, wherein The output shaft of the drive motor (12) penetrates into the inner chamber of the bowl-shaped shell (13) and is fixedly connected with the front end head of the transmission shaft (31) through a shaft coupling.

4. The bearing seal inspection apparatus of claim 1, wherein The front and rear end surfaces of the bearing (2) are fixedly connected with bearing sealing rings (5), and the outer ring outer surface of the bearing (2) is fixed in the inner chamber of the bowl-shaped shell (13) through a hoop.

5. The bearing seal inspection apparatus of claim 1, wherein The servo cylinders (33) and the arc movable plates (34) are arranged in a ring array with the central axis of the transmission shaft (31) as the reference line.

6. The bearing seal inspection apparatus of claim 1, wherein A layer of rubber sheet (35) is fixedly connected to the outer surface of the arc movable plate (34) through an adhesive.

7. The bearing seal inspection apparatus of claim 1, wherein The left surface of the water tank (41) is fixedly connected with the outer ring right surface of the bowl-shaped shell (13), the top surface of the water tank (41) is provided with a liquid injection port, and a circular hole is formed in the middle region of the top surface of the water tank (41) for penetrating the liquid suction pipe (42).

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