Bearing seat assembly of top-hung centrifugal machine

Abstract

The utility model relates to the technical field of bearing seat assemblies, and discloses a top-hung centrifugal machine bearing seat assembly which comprises a disc, cavities are formed in the two sides of the interior of the disc, fixing blocks are fixedly connected to the two sides of the inner wall of each cavity, and cylinders are fixedly connected to the upper ends and the lower ends of the opposite surfaces of the two fixing blocks. And sliding blocks are slidably connected to the two sides of the outer walls of the two cylinders, rebound assemblies are fixedly connected to the opposite surfaces of the two sliding blocks, and pressing plates are fixedly connected to the front sides of the outer walls of the sliding blocks. When the hollow column is installed on the disc, the pressing plate is pressed after alignment, so that the sliding block moves, the spring is stretched, the clamping block and the clamping groove are staggered in position, the pressing plate is loosened after the hollow column is pushed, and the spring rebounds to drive the clamping block to be clamped into the clamping groove to complete fixation; during disassembly, the hollow column can be taken down by pressing the pressing plate again to separate the clamping block from the clamping groove, operation is easy and convenient, and installation and maintenance are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing seat assembly technical field especially relates to a kind of upper suspension centrifuge bearing seat assembly. BACKGROUND

[0002] A kind of upper suspension centrifuge bearing seat assembly is the key part for supporting rotating shaft and ensuring its stable rotation in upper suspension centrifuge, its main structure includes bearing seat shell, mostly cast iron or cast steel material, present box, there is high-precision cavity for installing bearing inside, there is also bearing, divided into cylindrical roller bearing for bearing radial force and angular contact ball bearing for bearing axial force, part has bearing bush, made of babbitt alloy etc., can reduce friction and buffer, sealing device can prevent lubricating oil leakage and impurities from entering, like lip seal and labyrinth seal, and contain lubrication system related components, such as lubricating oil channel, oil nozzle or oil pump, for the lubrication of bearing.

[0003] The existing bearing seat assembly is in relatively closed environment, heat is mainly dissipated by natural convection and conduction, however, the heat generated by centrifuge high-speed operation is large, and limited heat dissipation path cannot dissipate heat in time and effectively, like in summer high-temperature environment, the temperature inside bearing seat can be increased to dangerous level, affect the normal work of bearing and other components, thereby affect actual work progress. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of upper suspension centrifuge bearing seat assembly, to improve the problem of not dissipating heat in time and effectively in prior art, affect the normal work of bearing and other components.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of upper suspension centrifuge bearing seat assembly, including disc, the inside of the disc is equipped with chamber in both sides, the inner wall of the chamber is fixedly connected with fixed block in both sides, the opposite surface of two groups of fixed blocks is fixedly connected with cylinder in upper and lower ends, the outer wall of two groups of cylinders is slidably connected with sliding block in both sides, the opposite surface of two groups of sliding blocks is fixedly connected with rebound assembly, the outer wall front side of sliding block is fixedly connected with pressing plate, the bottom wall of sliding block is fixedly connected with clamping assembly, the bottom wall of disc is provided with hollow column, the inner wall of hollow column is equipped with two clamping grooves in both sides, the bottom wall of hollow column is fixedly connected with bottom disc, the top wall of bottom disc is fixedly connected with heat dissipation mechanism, the heat dissipation mechanism is used for the heat dissipation of bearing seat assembly.

[0006] As the preferred scheme of the utility model, the heat dissipation mechanism includes a bottom plate, the bottom plate is arranged on the top wall of the bottom disc, four corners of the bottom plate are all threadedly connected with bolts, the outer wall middle part of the bottom plate is fixedly connected with a temperature detector, the top of the bottom disc is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a fan, the top of the bottom disc is fixedly connected with a connector, and the top of the connector is fixedly connected with a signal lamp.

[0007] As the preferred scheme of the utility model, the rebound assembly includes two groups of clamping columns, the two groups of clamping columns are fixedly connected to the opposite surfaces of the two groups of sliding blocks, and the opposite surfaces of the two groups of clamping columns are fixedly connected with springs.

[0008] As the preferred scheme of the utility model, the pressing plate has two groups, and one end of the two groups of pressing plates is arranged outside the disc through the cavity.

[0009] As the preferred scheme of the utility model, the clamping assembly includes a connecting rod, the connecting rod is fixedly connected to the bottom wall of the sliding block, and the bottom wall of the connecting rod is fixedly connected with a clamping block.

[0010] As the preferred scheme of the utility model, the clamping groove has two groups, and the clamping assembly is clamped with the clamping groove.

[0011] As the preferred scheme of the utility model, the signal lamp is electrically connected with the temperature detector, and the fan is electrically connected with the temperature detector.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] 1、In the utility model, when installing the hollow column on the disc, aligning and pressing the pressing plate, the sliding block is moved, the spring is stretched, the clamping block is misaligned with the clamping groove position, the hollow column is pushed forward, and the pressing plate is loosened, the spring rebound drives the clamping block to be clamped into the clamping groove to complete the fixing; when disassembling, the clamping block is separated from the clamping groove by pressing the pressing plate again, and the hollow column can be removed, so that the operation is simple and convenient for installation and maintenance.

[0014] 2、In the utility model, the heat dissipation mechanism on the bottom disc, the temperature detector monitors the temperature in real time, the fan is low speed or not running normally, and the signal lamp normally displays; when the temperature exceeds the threshold value, the detector signals the fan and the signal lamp, the fan accelerates heat dissipation, the signal lamp switches to the alarm state, and the operator is reminded to check and maintain in time, so that the equipment is normally operated. ACCURACY OF DRAWINGS

[0015] Fig. 1 A perspective view of a bearing seat assembly of an overhung centrifuge is provided for the utility model;

[0016] Fig. 2A partial structure schematic view of a bearing seat assembly of an upper suspension centrifuge is provided in the utility model.

[0017] Fig. 3 An explosion view of a partial structure of a bearing seat assembly of an upper suspension centrifuge is provided in the utility model.

[0018] Fig. 4 A partial structure exploded view of a bearing seat assembly of an upper suspension centrifuge is provided in the utility model.

[0019] Legend:

[0020] 1, disc; 2, heat dissipation mechanism; 201, bottom plate; 202, bolt; 203, temperature detector; 204, support column; 205, fan; 206, connector; 207, signal lamp; 3, chamber; 4, fixed block; 5, cylinder; 6, sliding block; 7, clamping column; 8, spring; 9, pressing plate; 10, connecting rod; 11, clamping block; 12, hollow column; 13, clamping groove; 14, base plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Reference Figs. 1 to 4 An embodiment provided by the utility model: a bearing seat assembly of an upper suspension centrifuge, comprising a disc 1, the inside of the disc 1 is provided with a chamber 3 on both sides, the inner wall of the chamber 3 is fixedly connected with a fixed block 4 on both sides, the opposite surfaces of the two fixed blocks 4 are fixedly connected with a cylinder 5 at the upper and lower ends, the outer wall of the two cylinders 5 is slidingly connected with a sliding block 6 on both sides, the opposite surfaces of the two sliding blocks 6 are fixedly connected with a rebound assembly, the chamber 3 and the internal components constitute a movable connecting mechanism, the fixed block 4 and the cylinder 5 provide support and guidance for the sliding block 6, so that it can slide stably, and the rebound assembly gives the sliding block 6 elastic reset ability.

[0023] The outer wall front side of the sliding block 6 is fixedly connected with a pressing plate 9, the bottom wall of the sliding block 6 is fixedly connected with a clamping assembly, the bottom wall of the disc 1 is provided with a hollow column 12, the inner wall of the hollow column 12 is provided with two clamping grooves 13 on both sides, the bottom wall of the hollow column 12 is fixedly connected with a bottom disc 14, the top wall of the bottom disc 14 is fixedly connected with a heat dissipation mechanism 2, the heat dissipation mechanism 2 is used for heat dissipation of the bearing seat assembly, the pressing plate 9 facilitates the operator to apply force, so that the sliding block 6 moves, the clamping assembly cooperates with the clamping grooves 13 of the hollow column 12, and the quick connection and fixation of the disc 1 and the hollow column 12 are realized. This structure is convenient to install and disassemble, and the efficiency of equipment assembly and maintenance is improved.

[0024] The rebound assembly includes two groups of clamping columns 7, the two groups of clamping columns 7 are fixedly connected to the opposite surfaces of the two groups of sliding blocks 6, the opposite surfaces of the two groups of clamping columns 7 are fixedly connected with springs 8, the pressing plate 9 has two groups, one end of the two groups of pressing plates 9 is provided outside the disc 1 through the chamber 3, the clamping assembly includes a connecting rod 10, the connecting rod 10 is fixedly connected to the bottom wall of the sliding block 6, the bottom wall of the connecting rod 10 is fixedly connected with a clamping block 11, the clamping grooves 13 have two groups, the clamping assembly cooperates with the clamping grooves 13, the springs 8 and the clamping columns 7 in the rebound assembly can automatically rebound and reset after operation, ensuring that the clamping assembly is accurately clamped into the clamping grooves 13, maintaining the stability of the connection, the two groups of pressing plates 9 facilitate the application of external force from the outside of the disc 1 to drive the sliding block 6 to move, and the cooperation of the clamping assembly and the clamping grooves 13 realizes the quick and reliable connection of the disc 1 and the hollow column 12, facilitating the installation and disassembly operation of the equipment.

[0025] The heat dissipation mechanism 2 includes a bottom plate 201 provided on the top wall of the bottom disc 14, the four corners of the bottom plate 201 are threadedly connected with bolts 202, the outer wall middle part of the bottom plate 201 is fixedly connected with a temperature detector 203, the top of the bottom disc 14 is fixedly connected with a supporting column 204, the bottom plate 201 is fixed on the bottom disc 14 through the bolts 202, providing a stable installation basis for the entire heat dissipation mechanism 2, the temperature detector 203 is used for real-time monitoring of the temperature of the bearing seat assembly, so as to timely grasp the running condition of the equipment, the supporting column 204 provides a supporting structure for the subsequent installation of the fan 205 and other heat dissipation components, ensuring the reasonable layout and effective operation of each component of the heat dissipation mechanism 2, and ensuring the stable work of the centrifugal machine.

[0026] The top of the support column 204 is fixedly connected with a fan 205, the top of the chassis 14 is fixedly connected with a connector 206, the top of the connector 206 is fixedly connected with a signal lamp 207, the signal lamp 207 is electrically connected with the temperature detector 203, the fan 205 is electrically connected with the temperature detector 203, the fan 205 on the support column 204 can accelerate operation when the temperature detector 203 monitors that the temperature exceeds the threshold value, and the heat dissipation effect is enhanced, the signal lamp 207 connected with the connector 206 on the chassis 14 can be switched to the alarm state when the temperature is abnormal, reminding the operator, and the cooperation of various components ensures the normal operation of the equipment, improves the safety and reliability.

[0027] Working principle: when the hollow column 12 needs to be installed on the disc 1, first align the top of the hollow column 12 with the bottom of the disc 1, then press the two groups of pressing plates 9, the pressing plates 9 drive the sliding blocks 6 to slide on the cylinders 5 to both sides, at this time, the spring 8 in the rebound assembly relative to the surface is stretched, the clamping column 7 moves, and the connecting rod 10 fixed on the bottom wall of the sliding block 6 and the clamping block 11 at the bottom of the connecting rod 10 also move to both sides, so that the clamping block 11 is misaligned with the clamping groove 13 on the inner wall of the hollow column 12, then push the hollow column 12 upwards, when the clamping groove 13 reaches the position of the clamping block 11, release the pressing plate 9, the spring 8 retracts, drives the sliding block 6 to rebound, and the clamping block 11 is clamped into the corresponding clamping groove 13, thereby completing the quick installation and fixation of the hollow column 12 and the disc 1, when disassembling, press the pressing plate 9 again to make the clamping block 11 disengage from the clamping groove 13, and then the hollow column 12 can be removed, the operation is simple and fast, and the installation and maintenance efficiency of the equipment is improved;

[0028] And the heat dissipation mechanism 2 is installed on the chassis 14, the temperature detector 203 monitors the temperature of the bearing seat assembly in real time, when the temperature is within the normal range, the fan 205 keeps a low speed or does not operate, and the signal lamp 207 displays a normal state, once the temperature exceeds the set threshold value, the temperature detector 203 immediately sends a signal to the fan 205 and the signal lamp 207, the fan 205 accelerates operation after receiving the signal, forcibly convects to take away the heat of the bearing seat assembly, and the heat dissipation effect is enhanced, simultaneously, the signal lamp 207 is switched to an alarm state such as red light flashing, reminding the operator that the temperature of the bearing seat assembly is abnormal, so that further checking or maintenance measures are taken in time, and the normal operation of the equipment is ensured.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An overhung centrifuge bearing housing assembly comprising a disc (1) characterised in that: The inside of the disc (1) is provided with a cavity (3) on both sides, the inner wall of the cavity (3) is fixedly connected with a fixed block (4) on both sides, the opposite surfaces of the two groups of fixed blocks (4) are fixedly connected with a cylinder (5) at the upper and lower ends, the outer walls of the two groups of cylinders (5) are slidably connected with a sliding block (6), the opposite surfaces of the two groups of sliding blocks (6) are fixedly connected with a rebound assembly, the outer wall of the sliding block (6) is fixedly connected with a pressing plate (9), the bottom wall of the sliding block (6) is fixedly connected with a clamping assembly, the bottom wall of the disc (1) is provided with a hollow column (12), the inner wall of the hollow column (12) is provided with two clamping grooves (13) on both sides, the bottom wall of the hollow column (12) is fixedly connected with a bottom disc (14), the top wall of the bottom disc (14) is fixedly connected with a heat dissipation mechanism (2), and the heat dissipation mechanism (2) is used for heat dissipation of the bearing seat assembly.

2. A top suspension centrifuge bearing seat assembly according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises a bottom plate (201), the bottom plate (201) is arranged on the top wall of the bottom disc (14), the four corners of the bottom plate (201) are threadedly connected with bolts (202), the outer wall of the bottom plate (201) is fixedly connected with a temperature detector (203) at the middle, the top of the bottom disc (14) is fixedly connected with a support column (204), the top of the support column (204) is fixedly connected with a fan (205), the top of the bottom disc (14) is fixedly connected with a connector (206), and the top of the connector (206) is fixedly connected with a signal lamp (207).

3. A top suspension centrifuge bearing seat assembly according to claim 1, characterized in that: The rebound assembly comprises two groups of clamping columns (7), the two groups of clamping columns (7) are fixedly connected with the opposite surfaces of the two groups of sliding blocks (6), and the opposite surfaces of the two groups of clamping columns (7) are fixedly connected with springs (8).

4. A top suspension centrifuge bearing seat assembly according to claim 1, characterized in that: The pressing plate (9) has two groups, and one end of the two groups of pressing plates (9) is arranged outside the disc (1) through the cavity (3).

5. A top suspension centrifuge bearing seat assembly according to claim 1, wherein: The clamping assembly comprises a connecting rod (10), the connecting rod (10) is fixedly connected with the bottom wall of the sliding block (6), and the bottom wall of the connecting rod (10) is fixedly connected with a clamping block (11).

6. A top suspension centrifuge bearing seat assembly according to claim 1, characterized in that: The clamping groove (13) has two groups, and the clamping assembly is clamped with the clamping groove (13).

7. A top suspension centrifuge bearing seat assembly according to claim 2, wherein: The signal lamp (207) is electrically connected with the temperature detector (203), and the fan (205) is electrically connected with the temperature detector (203).

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