Slewing bearing surface treatment device and treatment process thereof

Abstract

The application discloses a slewing bearing surface treatment equipment and a treatment process thereof, and relates to the technical field of slewing bearing surface treatment. The equipment comprises a supporting box, a cleaning box is connected to the top of the supporting box, an ultrasonic cleaning assembly is arranged on the cleaning box, and a box cover is arranged above the cleaning box; a plurality of telescopic connecting rods are circumferentially distributed on the box cover, a first spring is connected between the telescopic end and the fixed end of the telescopic connecting rod, and a drying assembly is arranged on each telescopic connecting rod; a plurality of placement grooves corresponding to the telescopic connecting rods are circumferentially and equidistantly arranged on the inner bottom of the cleaning box, a blocking lifting block is arranged at the bottom of each placement groove, and a second electric telescopic rod is connected to the bottom of the supporting box. The application can realize continuous treatment of the slewing bearing surface cleaning oil, and the manual multiple transfer operations are not needed, so that the work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surface treatment of slewing bearings, in particular to a surface treatment device for slewing bearings and a treatment process thereof. BACKGROUND

[0002] A slewing bearing is a mechanical part, which is composed of an inner ring, an outer ring, a rolling element, etc. The slewing bearing is a large bearing capable of bearing comprehensive load, which can simultaneously bear large axial, radial load and overturning moment. The slewing bearing needs to be coated with rust-proof oil for protection when it leaves the factory.

[0003] In the prior art, the surface of the slewing bearing needs to be cleaned first to remove the attached impurities, then transferred to a drying device for drying, and finally the rust-proof oil is applied to the surface of the slewing bearing.

[0004] The existing surface rust-proof oil treatment of the slewing bearing has the following disadvantages: in the entire operation process of applying rust-proof oil to the slewing bearing, the slewing bearing needs to be manually operated multiple times, such as manually transferring the slewing bearing from the cleaning device to the drying device for drying, and finally manually transferring the slewing bearing from the drying device to the rust-proof oil container for soaking to make the surface adhere to the rust-proof oil. The entire process needs to be manually operated multiple times, which is time-consuming and labor-intensive, and the work efficiency is low. SUMMARY

[0005] The present application aims to provide a surface treatment device for slewing bearings and a treatment process thereof to solve the technical problem of low work efficiency in the surface treatment of slewing bearings in the prior art.

[0006] The technical problem solved by the present application can be achieved by the following technical solutions:

[0007] A surface treatment device for slewing bearings, comprising a support box, a cleaning box connected to the top of the support box, an ultrasonic cleaning assembly provided on the cleaning box, and a box cover provided above the cleaning box;

[0008] A plurality of telescopic connecting rods are circumferentially distributed on the box cover, a first spring is connected between the telescopic end and the fixed end of each telescopic connecting rod, and a drying assembly is provided on each telescopic connecting rod;

[0009] A plurality of placement grooves corresponding to the telescopic connecting rods are circumferentially and equidistantly provided on the inner bottom of the cleaning box; a blocking lifting block is provided at the bottom of each placement groove, an inner ring drainage assembly is provided on the blocking lifting block; a second electric telescopic rod is connected to the bottom of the support box, a plurality of connecting frames corresponding to the blocking lifting blocks are connected to the telescopic end of the second electric telescopic rod, and an elastic support lifting member is provided on the inner bottom of the support box and cooperates with the inner ring drainage assembly.

[0010] A linkage sleeve is sleeved on the telescopic end of the second electric telescopic rod, a plurality of first linkage rods are distributed in the circumference of the linkage sleeve, one end of each first linkage rod is movably connected to the linkage sleeve through a hinge, a guide sleeve is connected to each connecting frame, a jacking rod is movably inserted into the guide sleeve, the other end of each first linkage rod is movably connected to the jacking rod through a hinge, a limiting ring matched with the linkage sleeve is connected to the inner bottom of the supporting box, and a plurality of oil boxes corresponding to the sealing lifting blocks are distributed in the circumference of the side wall of the supporting box.

[0011] As a further scheme of the present application, the cleaning box is connected with a first electric telescopic rod, and the telescopic end of the first electric telescopic rod is connected with the box cover.

[0012] As a further scheme of the present application, the air-drying assembly comprises a spray head and an air blower, the spray head is connected to the telescopic end of the telescopic connecting rod, the air blower is connected to the outer wall of the box cover, the air outlet end of the air blower is connected with a corrugated telescopic pipe, and the end of the corrugated telescopic pipe is connected with the corresponding spray head.

[0013] As a further scheme of the present application, the inner ring drainage assembly comprises a guide pipe and a sealing block, the guide pipe is connected to the sealing lifting block, and the sealing block is arranged at the bottom port of the guide pipe; a connecting sleeve is connected to the bottom of the guide pipe, a sliding rod is movably inserted into the connecting sleeve, the upper end of the sliding rod is connected with the sealing block, and a second spring is connected between the lower end of the sliding rod and the connecting sleeve.

[0014] As a further scheme of the present application, the supporting box is externally provided with a linkage ring matched with the elastic supporting lifting member, a plurality of second linkage rods are distributed in the circumference of the linkage ring, one end of each second linkage rod is movably connected to the linkage ring through a hinge, and the other end is movably connected to the corresponding oil box through a hinge.

[0015] As a further scheme of the present application, the elastic supporting lifting member comprises a supporting stop ring and a supporting spring, the supporting stop ring is arranged inside the supporting box, the linkage ring is connected with the supporting stop ring, each sliding rod is aligned with the supporting stop ring, and the supporting spring is connected between the supporting stop ring and the inner bottom of the supporting box.

[0016] As a further scheme of the present application, a third spring is connected between the guide sleeve and the telescopic end of the second electric telescopic rod.

[0017] A slewing bearing surface treatment process is implemented by using the above slewing bearing surface treatment equipment, and the specific steps are as follows:

[0018] Firstly, a plurality of slewing bearings are placed in the corresponding placing grooves, then the box cover is lowered to cover the cleaning box, and then the ultrasonic cleaning assembly is started to clean the surface of the slewing bearings;

[0019] The second step, after the slewing bearing is cleaned, the second electric telescopic rod is started to retract, each sealing lifting block is lowered by the second electric telescopic rod, the bottom of each placing groove is opened to discharge sewage, and in the process, the telescopic end of the telescopic connecting rod on the box cover is in contact with the slewing bearing by the rebound force of the first spring, so that the air drying assembly acts on the slewing bearing to dry the slewing bearing;

[0020] The third step, the second electric telescopic rod is continuously retracted, the linkage sleeve is lowered to abut against the limiting ring, then the linkage sleeve pushes each jack to slide by each first linkage rod, each jack pushes the corresponding slewing bearing on the sealing lifting block to slide into the corresponding oil box and soak in the rust-proof oil;

[0021] The fourth step, the second electric telescopic rod is finally controlled to extend and reset, so that each oil box is separated from the supporting box, and the soaked slewing bearing is taken out.

[0022] Advantages of the present application:

[0023] 1. After the slewing bearing is placed in each placing groove in the cleaning box, surface cleaning treatment can be performed, and after cleaning is completed, the second electric telescopic rod is controlled to retract, and each sealing lifting block at the bottom of each placing groove is lowered, so that sewage is conveniently discharged, and the slewing bearing is conveniently separated out at the same time, when the slewing bearing is lowered to the corresponding position along with the sealing lifting block, the linkage sleeve at the telescopic end of the second electric telescopic rod is pressed to link each jack to move transversely, so that each jack pushes the slewing bearing on each sealing lifting block to fall into the corresponding oil box, so that the surface of the slewing bearing is soaked in rust-proof oil, the surface of the slewing bearing is continuously treated by cleaning and soaking, manual transfer operation is not required, and work efficiency is improved;

[0024] 2. When the box cover is sealed on the cleaning box, the telescopic end of each telescopic connecting rod distributed on the box cover makes the nozzle of the air drying assembly abut against the slewing bearing, and in the process of lowering the slewing bearing along with the sealing lifting block, the telescopic end of the telescopic connecting rod drives the nozzle of the air drying assembly to keep in contact with the slewing bearing by the spring rebound force, so that the slewing bearing in the lowering process is directly started to be dried after sewage is discharged, and the subsequent surface oil soaking treatment is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0025] The present application will be further described below with reference to the drawings.

[0026] Figure 1 is a schematic diagram of the overall structure of the present application;

[0027] Figure 2 is Figure 1 is an enlarged structure schematic diagram of position A in the present application;

[0028] Figure 3 is Figure 1 the enlarged structure schematic view at B in the figure;

[0029] Figure 4 is the overall structure schematic view when the box cover and the cleaning box are docked in the application;

[0030] Figure 5 is the overall structure schematic view when the blocking lifting block descends to separate from the placing groove in the application.

[0031] In the figure: 1, support box; 2, first electric telescopic rod; 3, box cover; 4, telescopic connecting rod; 5, ultrasonic cleaning assembly; 6, placing groove; 7, second electric telescopic rod; 8, limiting ring; 9, linkage sleeve; 10, third spring; 11, first linkage rod; 12, jacking rod; 13, support stop ring; 14, support spring; 15, linkage ring; 16, second linkage rod; 17, oil box; 18, connecting frame; 19, guide sleeve; 20, blocking lifting block; 21, guide pipe; 22, blocking block; 23, sliding rod; 24, connecting sleeve; 25, second spring; 26, spray head; 27, corrugated telescopic pipe; 28, first spring; 29, fan; 30, cleaning box. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0033] As Figures 1-5As shown, a kind of slewing bearing surface treatment equipment, including support box 1, the top of support box 1 is connected with cleaning box 30, water inlet is provided on the side wall of cleaning box 30, it is convenient to pass into cleaning fluid, ultrasonic cleaning assembly 5 is installed on cleaning box 30, ultrasonic cleaning assembly 5 can make the high-frequency vibration of cleaning fluid in cleaning box 30, to facilitate the slewing bearing surface in cleaning box 30 is cleaned, the top of cleaning box 30 is equipped with box cover 3, one side of cleaning box 30 is connected with first electric telescopic rod 2, and the telescopic end of first electric telescopic rod 2 is connected with box cover 3, when first electric telescopic rod 2 is contracted, it can drive box cover 3 to descend and be sealed on the top of cleaning box 30, a plurality of telescopic connecting rods 4 are distributed in the circumferential direction of box cover 3, and the telescopic end of telescopic connecting rod 4 penetrates through box cover 3, the lower end of telescopic connecting rod 4 is telescopic end, first spring 28 is connected between the telescopic end and fixed end of telescopic connecting rod 4, air-drying assembly is equipped on each telescopic connecting rod 4, air-drying assembly includes spray head 26 and fan 29, spray head 26 is connected to the telescopic end of telescopic connecting rod 4, fan 29 is connected to the outer wall of box cover 3, the air outlet end of fan 29 is connected with corrugated flexible tube 27, and the tail end of corrugated flexible tube 27 is connected with corresponding spray head 26;

[0034] The inner bottom of cleaning box 30 is circumferentially equidistantly provided with a plurality of placement grooves 6 corresponding to telescopic connecting rod 4, and the placement groove 6 is used for placing the slewing bearing to be treated;When the slewing bearing is placed in the placement groove 6, the first electric telescopic rod 2 is started to be contracted, the first electric telescopic rod 2 drives the box cover 3 to descend and cover the cleaning box 30, and in the process of sealing the cleaning box 30 by the box cover 3, the spray head 26 at the telescopic end of each telescopic connecting rod 4 abuts against the slewing bearing at the corresponding position, and the telescopic connecting rod 4 is contracted due to extrusion, so that the first spring 28 is compressed;

[0035] The bottom of each placement groove 6 is matched with a blocking and lifting block 20, the blocking and lifting block 20 is used for blocking the placement groove 6, and facilitates opening the bottom of the placement groove 6, the blocking and lifting block 20 is provided with an inner ring drainage assembly, the inner ring drainage assembly includes a conduit 21 and a blocking block 22, the conduit 21 is connected to the blocking and lifting block 20, the bottom port of the conduit 21 has a diameter smaller than the inner diameter of the conduit 21, and the blocking block 22 is matched and arranged at the bottom port of the conduit 21, and the blocking block 22 can close the bottom port of the conduit 21;The bottom of the conduit 21 is connected with a connecting sleeve 24, a sliding rod 23 is slidably inserted into the connecting sleeve 24, the upper end of the sliding rod 23 is connected with the blocking block 22, and the second spring 25 is connected between the lower end of the sliding rod 23 and the connecting sleeve 24;

[0036] The bottom of the support box 1 is connected with a second electric telescopic rod 7, and the upper end of the second electric telescopic rod 7 is a telescopic end. The telescopic end of the second electric telescopic rod 7 is connected with a plurality of connecting frames 18 connected with the sealing lifting blocks 20 in a one-to-one correspondence. The inner bottom of the support box 1 is provided with elastic support lifting pieces matched with the inner ring drainage assembly. The elastic support lifting pieces include a support stop ring 13 and a support spring 14. The support stop ring 13 is arranged inside the support box 1. Each slide rod 23 is aligned with the support stop ring 13. The support spring 14 is connected between the support stop ring 13 and the inner bottom of the support box 1.

[0037] When the slewing bearing cleaning in each placing groove 6 in the cleaning box 30 is completed, the second electric telescopic rod 7 is started to be retracted. The second electric telescopic rod 7 drives all the sealing lifting blocks 20 to descend through the connecting frames 18. In this way, the bottom of each placing groove 6 is opened, so as to facilitate the discharge of sewage in the cleaning box 30. The bottom of the support box 1 is provided with a drain pipe, which facilitates the discharge of sewage. At the same time, the slewing bearing descends together with the sealing lifting block 20. In this process, the slide rod 23 below the sealing lifting block 20 abuts against the support stop ring 13. Then the slide rod 23 slides upward relative to the connecting sleeve 24, drives the sealing block 22 to rise, so as to facilitate the opening of the bottom port of the conduit 21. In this way, it is convenient to discharge the water in the inner ring position of the slewing bearing. With the continuous retraction of the second electric telescopic rod 7, the sealing lifting block 20 pushes the support stop ring 13 to descend. In the process of descending of the sealing lifting block 20 with the slewing bearing, the telescopic end of the telescopic connecting rod 4 on the box cover 3 abuts against the nozzle 26 in the air drying assembly by the rebound force of the first spring 28, so as to facilitate the synchronous descent of the slewing bearing. In this process, each air blower 29 is started. The air blower 29 drives the airflow to enter the nozzle 26 through the corrugated telescopic pipe 27, and then blows the airflow to the slewing bearing through the nozzle 26, so as to facilitate the air drying treatment of the slewing bearing.

[0038] The telescopic end of the second electric telescopic rod 7 is sleeved with a linkage sleeve 9, a plurality of first linkage rods 11 are distributed on the linkage sleeve 9 in the circumferential direction, and one end of the first linkage rod 11 is movably connected with the linkage sleeve 9 through a hinge; each connecting frame 18 is connected with a guide sleeve 19, and the top rod 12 is movably inserted into the guide sleeve 19; the other end of the first linkage rod 11 is movably connected with the top rod 12 through a hinge; the third spring 10 is connected between the guide sleeve 19 and the telescopic end of the second electric telescopic rod 7; the limiting ring 8 matched with the linkage sleeve 9 is connected to the inner bottom of the supporting box 1; a plurality of oil boxes 17 corresponding to the blocking lifting blocks 20 are distributed on the side wall of the supporting box 1 in the circumferential direction, and the oil boxes 17 are movably inserted into the side wall of the supporting box 1; the oil boxes 17 are filled with rust-proof oil; the linkage ring 15 matched with the elastic supporting lifting piece is arranged outside the supporting box 1, and the linkage ring 15 is connected with the supporting block ring 13 through a rod body; a plurality of second linkage rods 16 are distributed on the linkage ring 15 in the circumferential direction, and one end of the second linkage rod 16 is movably connected with the linkage ring 15 through a hinge, and the other end is movably connected with the corresponding oil box 17 through a hinge.

[0039] When the second electric telescopic rod 7 is retracted and drives each blocking lifting block 20 to descend through the connecting frame 18, the blocking lifting block 20 presses the supporting block ring 13 downward, the supporting block ring 13 descends and drives the linkage ring 15 to descend, the linkage ring 15 drives each oil box 17 to slide into the supporting box 1 through the second linkage rod 16, and the linkage sleeve 9 begins to descend synchronously with the telescopic end of the second electric telescopic rod 7; when the linkage sleeve 9 descends and abuts against the limiting ring 8, the rotary support has been air-dried for a certain period of time, which can ensure the air-drying effect; at this time, the second electric telescopic rod 7 continues to retract, the linkage sleeve 9 moves upward relative to the telescopic end of the second electric telescopic rod 7 due to the limiting of the limiting ring 8, the linkage sleeve 9 pushes each top rod 12 to slide through each first linkage rod 11, each top rod 12 pushes the rotary support on the corresponding blocking lifting block 20, and the corresponding oil box 17 has slid to the lower side of the blocking lifting block 20, so as to catch the falling rotary support, so that the rotary support is soaked in the rust-proof oil, the surface is subjected to rust-proof treatment, and when the second electric telescopic rod 7 is elongated and reset, each oil box 17 slides back to the reset position and is separated from the supporting box 1, so as to take out the rotary support, which is convenient for taking out the soaked rotary support.

[0040] The rotary support surface treatment process is implemented by using the rotary support surface treatment device, and the specific steps are as follows:

[0041] The first step, first of all, the plurality of slewing bearings which need to be surface treated are placed in the corresponding placing groove 6, and then the first electric telescopic rod 2 is started to be retracted, the first electric telescopic rod 2 drives the box cover 3 to descend to cover the cleaning box 30, and in the process of covering the cleaning box 30 by the box cover 3, the nozzles 26 at the telescopic ends of the telescopic connecting rods 4 abut against the corresponding position slewing bearings, and the telescopic connecting rods 4 are retracted due to extrusion, causing the first spring 28 to be compressed; then the ultrasonic cleaning assembly 5 is started, the ultrasonic cleaning assembly 5 can make the cleaning liquid in the cleaning box 30 vibrate at high frequency, so as to clean the surface of the slewing bearing in the cleaning box 30;

[0042] The second step, when the slewing bearings in each placing groove 6 in the cleaning box 30 are cleaned, the second electric telescopic rod 7 is started to be retracted, the second electric telescopic rod 7 drives all the blocking lifting blocks 20 to descend through the connecting frame 18, so that the bottom of each placing groove 6 is opened, so as to facilitate the sewage in the cleaning box 30 to be discharged, the bottom of the supporting box 1 is provided with a drain pipe, which is convenient for sewage discharge, and the slewing bearing descends together with the blocking lifting block 20, in this process, the slide rod 23 below the blocking lifting block 20 abuts against the supporting stop ring 13, then the slide rod 23 slides up relative to the connecting sleeve 24, drives the blocking block 22 to rise, so as to facilitate the bottom port of the conduit 21 to be opened, so as to facilitate the water in the inner ring position of the slewing bearing to be discharged, and with the continuous retraction of the second electric telescopic rod 7, the blocking lifting block 20 pushes the supporting stop ring 13 to descend, and in the process of descending of the blocking lifting block 20 with the slewing bearing, the telescopic end of the telescopic connecting rod 4 on the box cover 3 abuts against the nozzle 26 in the air drying assembly by the rebound force of the first spring 28, and with the synchronous descent of the slewing bearing, in this process, each air blower 29 is started, the air blower 29 drives the airflow to enter the nozzle 26 through the corrugated telescopic pipe 27, and then blows to the slewing bearing through the nozzle 26, so as to facilitate the air drying treatment of the slewing bearing;

[0043] Third step, in the process of sealing lifting block 20 down, its down pressure support ring 13, so that the support ring 13 down, the support ring 13 driven linkage ring 15 down, linkage ring 15 is driven by the second linkage lever 16 each oil box 17 to the inside of the support box 1 sliding, and the linkage sleeve 9 began to synchronize with the second electric telescopic rod 7 telescopic end down, when the linkage sleeve 9 down to the limit ring 8, the rotary bearing has been dry to a certain length of time, can guarantee the drying effect, at this time the second electric telescopic rod 7 continues to shrink, linkage sleeve 9 is limited by the limit ring 8 and the second electric telescopic rod 7 telescopic end exists upward movement, so the linkage sleeve 9 is pushed by each first linkage lever 11 each top rod 12 sliding, so each top rod 12 is pushed on the corresponding sealing lifting block 20 on the rotary bearing, and the corresponding oil box 17 has been sliding to the side of the sealing lifting block 20 below, to catch the falling rotary bearing, so as to facilitate the rotary bearing soaked in the rust-proof oil, the surface is treated with rust-proof;

[0044] Fourth step, finally control the second electric telescopic rod 7 lengthening reset, the support ring 13 is reset by the support spring 14 back spring force, so the linkage ring 15 is raised to reset, then the linkage ring 15 is driven by the second linkage lever 16 each oil box 17 back sliding reset, from the support box 1, so as to facilitate the rotary bearing, so as to facilitate the rotary bearing.

[0045] The above describes one embodiment of the present application in detail, but the content described is only the preferred embodiment of the present application, and cannot be considered to limit the scope of the present application. Any equivalent changes and improvements made in the scope of the present application should still belong to the scope of the present application.

Claims

1. A surface treatment device for a slewing bearing, comprising a support box (1), a cleaning box (30) connected to the top of the support box (1), an ultrasonic cleaning assembly (5) disposed on the cleaning box (30), and a box cover (3) disposed on the top of the cleaning box (30); characterized in that: The box cover (3) has multiple telescopic connecting rods (4) distributed circumferentially. A first spring (28) is connected between the telescopic end and the fixed end of the telescopic connecting rod (4). Each telescopic connecting rod (4) is equipped with a drying component. The bottom of the cleaning tank (30) is provided with multiple placement slots (6) corresponding to the telescopic connecting rod (4) at equal intervals; each placement slot (6) is provided with a sealing lifting block (20) at its bottom, and the sealing lifting block (20) is provided with an inner ring drainage component; the bottom of the support box (1) is connected to a second electric telescopic rod (7), and the telescopic end of the second electric telescopic rod (7) is connected to multiple connecting frames (18) corresponding to the sealing lifting block (20); the bottom of the support box (1) is provided with an elastic support lifting component that cooperates with the inner ring drainage component; The telescopic end of the second electric telescopic rod (7) is slidably fitted with a linkage sleeve (9). Multiple first linkage rods (11) are distributed circumferentially on the linkage sleeve (9), and one end of the first linkage rod (11) is movably connected to the linkage sleeve (9) through a hinge. Each connecting frame (18) is connected with a guide sleeve (19), and a top rod (12) is slidably inserted on the guide sleeve (19). The other end of the first linkage rod (11) is movably connected to the top rod (12) through a hinge. A limiting ring (8) that cooperates with the linkage sleeve (9) is connected to the bottom of the support box (1). Multiple oil boxes (17) corresponding to the sealing lifting block (20) are distributed circumferentially on the side wall of the support box (1). The inner ring drainage assembly includes a conduit (21) and a sealing block (22). The conduit (21) is connected to the sealing lifting block (20), and the sealing block (22) is fitted at the bottom port of the conduit (21). A connecting sleeve (24) is connected to the bottom of the conduit (21). A sliding rod (23) is slidably inserted in the connecting sleeve (24), and the upper end of the sliding rod (23) is connected to the sealing block (22). A second spring (25) is connected between the lower end of the sliding rod (23) and the connecting sleeve (24). The support box (1) is provided with a linkage ring (15) that cooperates with the elastic support lifting component. Multiple second linkage rods (16) are distributed circumferentially on the linkage ring (15). One end of the second linkage rod (16) is movably connected to the linkage ring (15) through a hinge, and the other end is movably connected to the corresponding oil box (17) through a hinge. The elastic support lifting component includes a support retaining ring (13) and a support spring (14). The support retaining ring (13) is disposed inside the support box (1). The linkage ring (15) is connected to the support retaining ring (13). Each of the slide rods (23) is aligned with the support retaining ring (13). The support spring (14) is connected between the support retaining ring (13) and the bottom of the support box (1).

2. The surface treatment equipment for a slewing bearing according to claim 1, characterized in that, The cleaning tank (30) is connected to a first electric telescopic rod (2) on one side, and the telescopic end of the first electric telescopic rod (2) is connected to the tank cover (3).

3. The slewing bearing surface treatment equipment according to claim 1, characterized in that, The air-drying assembly includes a nozzle (26) and a fan (29). The nozzle (26) is connected to the telescopic end of the telescopic connecting rod (4), and the fan (29) is connected to the outer wall of the box cover (3). The air outlet of the fan (29) is connected to a corrugated telescopic pipe (27), and the end of the corrugated telescopic pipe (27) is connected to the corresponding nozzle (26).

4. The surface treatment equipment for a slewing bearing according to claim 1, characterized in that, A third spring (10) is connected between the guide sleeve (19) and the telescopic end of the second electric telescopic rod (7).

5. A surface treatment process for a slewing bearing, implemented using the surface treatment equipment for a slewing bearing as described in claim 1, characterized in that: The specific steps are as follows: First step: Place multiple slewing bearings in the corresponding placement slots (6), then lower the cover (3) to cover the cleaning box (30), and then start the ultrasonic cleaning assembly (5) to clean the surface of the slewing bearings. The second step is to start the second electric telescopic rod (7) to retract after the slewing bearing is cleaned. The second electric telescopic rod (7) drives each sealing lifting block (20) to descend, so that the bottom of each placement slot (6) opens to discharge sewage. During this process, the telescopic end of the telescopic connecting rod (4) on the box cover (3) relies on the rebound force of the first spring (28) to make the drying component act on the slewing bearing to dry the slewing bearing. Third step: Continue to keep the second electric telescopic rod (7) retracted, so that the linkage sleeve (9) descends and abuts against the limit ring (8). Then the linkage sleeve (9) pushes each top rod (12) to slide by relying on each first linkage rod (11). Each top rod (12) pushes against the slewing bearing on the corresponding sealing lifting block (20), so that it slides into the corresponding oil box (17) and is soaked in the anti-rust oil. Fourth step: Finally, control the second electric telescopic rod (7) to extend and reset, so that each oil box (17) can be removed from the support box (1) and the soaked slewing bearing can be taken away.

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