Novel double suction pump bearing component applicable to magnetic oil seal

Abstract

The utility model relates to a novel double suction pump bearing component applicable to a magnetic oil seal, which comprises a bearing body component, a bearing is positioned in the bearing body component, the bearing body component comprises an upper bearing body and a lower bearing body, a magnetic oil seal mounting groove is arranged on the bearing body component, the magnetic oil seal is arranged in the magnetic oil seal mounting groove, and the magnetic oil seal is arranged in the magnetic oil seal mounting groove. Magnetic oil seals are arranged at the left and right ends of the bearing body part; on the side close to the center of the pump, a static ring assembly of the magnetic oil seal is fixed to a bearing body gland, and a movable ring assembly is fixed to a pump shaft. On the side far away from the pump center, the static ring assembly of the magnetic oil seal is fixed to the bearing body component, and the movable ring assembly is fixed to the pump shaft. In the operation process of the double-suction pump, the magnetic oil seal stably works in the installation groove, lubricating oil is prevented from flowing out, the bearing stably supports the pump shaft to rotate under the good lubricating and sealing environment, and efficient and stable operation of the double-suction pump is guaranteed. When maintenance is needed, the upper bearing body can be conveniently detached, and the internal bearing, the oil seal and other parts can be inspected, replaced or maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to a double suction pump bearing part, concretely relates to a novel double suction pump bearing part which is simple in structure, convenient to install and disassemble and good in sealing performance and can be applied to magnetic oil seal. BACKGROUND

[0002] The double suction pump has wide high-efficiency zone, good cavitation resistance and is convenient to overhaul and is widely applied to many fields such as industrial production. The double suction pump mainly comprises a shell, a rotor, a bearing part, a sealing element and the like. The bearing body part of the traditional double suction pump has some deficiencies in design, for example, the sealing effect of felt ring sealing is relatively poor in the sealing of the bearing part, the leakage of lubricating oil and the immersion of foreign matters from the outside cannot be completely prevented, and the working temperature range of felt ring sealing is narrow; the sealing performance of skeleton oil seal is good, but the cost is high and the skeleton oil seal is easy to cause abrasion to the shaft, thereby reducing the service life of the shaft. Meanwhile, the traditional integral bearing body part is inconvenient to install and disassemble, and a lot of time and manpower are consumed in maintenance. According to the market investigation at present, a novel magnetic oil seal can eliminate the above-mentioned deficiencies of the traditional sealing element, and therefore it is necessary to design a new upper-lower split type bearing part to match the magnetic oil seal. SUMMARY

[0003] In view of the above problems, the main purpose of the utility model is to provide a novel double suction pump bearing part which is simple in structure, convenient to install and disassemble, good in sealing performance and can be applied to magnetic oil seal.

[0004] The utility model discloses a novel double suction pump bearing part which can be applied to magnetic oil seal, which comprises a bearing body part, a bearing is located in the bearing body part, the bearing body part comprises an upper bearing body and a lower bearing body, a magnetic oil seal mounting groove is arranged on the bearing body part, a magnetic oil seal is arranged in the magnetic oil seal mounting groove, and the magnetic oil seal is arranged at the left and right ends of the bearing body part.

[0005] On the side close to the pump center, the static ring assembly of the magnetic oil seal is fixed on the bearing body gland, and the dynamic ring assembly is fixed on the pump shaft; on the side away from the pump center, the static ring assembly of the magnetic oil seal is fixed on the bearing body part, and the dynamic ring assembly is fixed on the pump shaft.

[0006] The upper bearing body is provided with a temperature and vibration measuring hole, and the temperature and vibration measuring hole is detachably sealed by a dustproof cover; the upper bearing body is provided with an automatic exhaust valve hole, and an automatic exhaust valve is arranged at the outlet of the automatic exhaust valve hole.

[0007] In the specific embodiment of the utility model, during installation, the bearing body part is formed by splicing and fixing the upper bearing body and the lower bearing body through a sealing gasket and connecting bolts.

[0008] In the embodiment of the utility model, the bottom of the lower bearing body is provided with a drainage hole, and the drainage hole is provided with an outer square pipe plug.

[0009] In the embodiment of the utility model, the lower bearing body is provided with a backflow groove.

[0010] In the embodiment of the utility model, the combination of the bearing gland and the upper bearing body is provided with a sealing gasket, and the combination of the bearing gland and the lower bearing body is provided with a sealing gasket.

[0011] In the embodiment of the utility model, the upper bearing body is provided with a lifting ring.

[0012] In the embodiment of the utility model, the bearing gasket is installed at the contact position of the bearing and the upper bearing body and the lower bearing body.

[0013] The utility model discloses a positive progress effect lies in: the utility model discloses a novel double-suction pump bearing part suitable for magnetic oil seal compared with common similar technology, the utility model discloses an upper bearing body and lower bearing body, ensure the precision of its splicing surface.Magnetic oil seal is installed into the corresponding installation groove, then the bearing is placed in the lower bearing body, and the upper bearing body is spliced and fixed with the lower bearing body, and the sealing gasket is placed at the splicing part and is fastened through the connecting piece such as bolt.In the operation process of double-suction pump, the magnetic oil seal works stably in the installation groove, prevents the outflow of lubricating oil, and the bearing stably supports the rotation of the pump shaft in the good lubrication and sealing environment, guaranteeing the efficient and stable operation of the double-suction pump.When needing to maintain, the upper bearing body can be conveniently disassembled, and the internal bearing and oil seal and other parts are checked, replaced or maintained. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the installation position of the utility model.

[0015] Figure 2 It is the front view of the utility model.

[0016] Figure 3 It is the side view of the utility model.

[0017] The following is the name corresponding to the mark in the utility model:

[0018] Housing 100, pump shaft 200, magnetic oil seal 300, bearing 400, bearing body part 500;Automatic exhaust valve 1, bearing gasket 2, upper bearing body 3, lower bearing body 4, outer square pipe plug 5, lifting ring 6, dust cover 7, sealing gasket 8, connecting bolt 9, bearing body gland 10, temperature and vibration measuring hole 11, automatic exhaust valve hole 12, drainage hole 13. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present utility model are described below with reference to the drawings to illustrate the technical scheme of the present utility model.

[0020] Figure 1 It is a structure diagram of the installation position of the present utility model, Figure 2 It is a front view of the present utility model, Figure 3 As shown in the above figures, the present utility model provides a novel double-suction pump bearing component applicable to magnetic oil seal, which comprises a bearing body component 500 located in a bearing 400, the bearing body component 500 comprising an upper bearing body 3 and a lower bearing body 4, the bearing body component 500 being provided with a magnetic oil seal mounting groove, the magnetic oil seal mounting groove being provided with a magnetic oil seal 300, and the magnetic oil seal 300 being arranged at the left and right ends of the bearing body component 500.

[0021] On the side close to the pump center, the static ring assembly of the magnetic oil seal 300 is fixed on the bearing body gland 10, and the dynamic ring assembly is fixed on the pump shaft 200; on the side away from the pump center, the static ring assembly of the magnetic oil seal 300 is fixed on the bearing body component 500, and the dynamic ring assembly is fixed on the pump shaft 200; the installation and use of the magnetic oil seal can effectively guarantee the good running environment of the bearing component, reduce the maintenance requirement, and improve the stability and reliability of the overall operation of the double-suction pump.

[0022] The upper bearing body 3 is provided with a temperature and vibration measuring hole 11, which is detachably sealed by a dust cover 7.

[0023] The upper bearing body 3 is provided with an automatic exhaust valve hole 12, and the outlet of the automatic exhaust valve hole 12 is provided with an automatic exhaust valve 1. During the operation of the double-suction pump, the temperature in the bearing body will rise, causing the internal pressure to change. The automatic exhaust valve 1 can release the excessive pressure in time, ensuring the sealing and stability of the bearing component; at the same time, the exhaust valve hole 12 can be used as a lubricating oil injection hole of the bearing body component 500.

[0024] During installation, the bearing body component 500 is formed by splicing and fixing the upper bearing body 3 and the lower bearing body 4 through a sealing gasket and connecting bolts.

[0025] The bottom of the lower bearing body 4 is provided with a drain hole 13, and the drain hole 13 is provided with an outer pipe plug 5; the lower bearing body 4 is provided with a backflow groove.

[0026] The combination of the bearing gland 10 and the upper bearing body 3 is provided with a sealing gasket, and the combination of the bearing gland and the lower bearing body 4 is provided with a sealing gasket 8 (the sealing gasket 8 in the figure). The material of the sealing gasket is generally rubber or soft plastic, which can fill the small gaps of the splicing surface, prevent the lubricating oil from leaking out of the splicing gap, and ensure the sealing of the whole bearing component; the upper bearing body 3 is provided with a lifting ring 6.

[0027] The bearing pad 8 is installed at the contact position of the bearing and the upper and lower bearing bodies. The bearing pad can buffer the vibration generated when the pump shaft moves, reduce the impact of the vibration on the bearing and the entire component; at the same time, prevent the bearing from directly contacting the upper and lower bearing bodies to generate friction and wear, protect the contact surface from damage, and prolong the service life of the component.

[0028] The bearing body of the utility model is spliced and combined by upper and lower bearing bodies, the upper and lower bearing bodies are equipped with lubricating oil cavities for storing lubricating oil to lubricate the bearing. The bearing is installed in the cavity composed of the upper bearing body and the lower bearing body, and a temperature and vibration measuring hole is arranged at the cavity of the upper bearing body to monitor the working temperature and vibration condition of the bearing. A backflow groove is arranged at the cavity of the lower bearing body to enhance the flowability of the lubricating oil in the bearing cavity and the oil storage cavity. A magnetic oil seal is arranged outside the bearing, and a magnetic oil seal mounting groove is correspondingly arranged on the upper bearing body and the lower bearing body, and the magnetic oil seal is mounted in the mounting groove.

[0029] When the utility model is installed on a double-suction pump, the upper bearing body and the lower bearing body are first machined to ensure the precision of the splicing surface. The magnetic oil seal is mounted in the corresponding mounting groove, then the bearing is placed in the lower bearing body, and the upper bearing body is spliced and fixed with the lower bearing body, a sealing gasket is placed at the splicing position and fastened by bolts and other connecting members. During the operation of the double-suction pump, the magnetic oil seal stably works in the mounting groove, prevents the outflow of lubricating oil, and stably supports the rotation of the pump shaft under the good lubrication and sealing environment, thereby ensuring the efficient and stable operation of the double-suction pump. When maintenance is needed, the upper bearing body can be conveniently disassembled to check, replace or maintain the internal bearing and oil seal and other components.

[0030] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of double suction pump bearing component applicable to magnetic oil seal, characterized by: The new double-suction pump bearing part applicable to the magnetic oil seal comprises a bearing body part, a bearing located in the bearing body part, the bearing body part comprising an upper bearing body and a lower bearing body, a magnetic oil seal installation groove provided on the bearing body part, and a magnetic oil seal provided in the magnetic oil seal installation groove and arranged at left and right ends of the bearing body part; On the side close to the pump center, the static ring assembly of the magnetic oil seal is fixed on the bearing body gland, and the dynamic ring assembly is fixed on the pump shaft; on the side away from the pump center, the static ring assembly of the magnetic oil seal is fixed on the bearing body part, and the dynamic ring assembly is fixed on the pump shaft; The upper bearing body is provided with a temperature and vibration measuring hole, which is detachably sealed by a dustproof cover; the upper bearing body is provided with an automatic exhaust valve hole, and an automatic exhaust valve is arranged at the outlet of the automatic exhaust valve hole.

2. A novel double suction pump bearing component suitable for magnetic oil seal application as claimed in claim 1, wherein: During installation, the bearing body part is formed by splicing and fixing the upper bearing body and the lower bearing body through a sealing gasket and connecting bolts.

3. A novel double suction pump bearing component applicable for magnetic oil seal as claimed in claim 1, wherein: The bottom of the lower bearing body is provided with a liquid discharge hole, and an outer square pipe plug is arranged in the liquid discharge hole.

4. A novel double suction pump bearing component applicable for magnetic oil seal as claimed in claim 1, wherein: The lower bearing body is provided with a backflow groove.

5. A novel double suction pump bearing component applicable for magnetic oil seal as claimed in claim 1, wherein: Sealing gaskets are arranged at the joints of the bearing gland and the upper bearing body and the lower bearing body.

6. A novel double suction pump bearing component applicable to magnetic oil seal as claimed in claim 1, wherein: A lifting ring is arranged on the upper bearing body.

7. A novel double suction pump bearing component applicable for magnetic oil seal as claimed in claim 1, wherein: Bearing pads are arranged at the contact positions of the bearing and the upper bearing body and the lower bearing body.

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