CN216574391U

CN216574391U - Automatic cleaning device for bolts in main pump sealing chamber

Info

Publication number: CN216574391U
Application number: CN202123214719.XU
Authority: CN
Inventors: 李树涛; 张发; 周峰; 曹建光; 张菁; 李明; 张鹏; 贾志博; 袁伟刚
Original assignee: China General Nuclear Power Corp; CGN Power Co Ltd; China Nuclear Power Operation Co Ltd
Current assignee: China General Nuclear Power Corp; CGN Power Co Ltd; China Nuclear Power Operation Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-24
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to an automatic cleaning device for bolts in a sealing chamber of a main pump, which comprises a base, a rotary driving mechanism, a positioning clamp, a cleaning mechanism and a spraying mechanism, wherein the rotary driving mechanism, the positioning clamp, the cleaning mechanism and the spraying mechanism are arranged on the base; the rotary driving mechanism and the positioning clamp are arranged at intervals so as to be clamped at two ends of a bolt of a sealing chamber of the main pump to be cleaned respectively, and the bolt of the sealing chamber of the main pump to be cleaned is driven to rotate when the rotary driving mechanism rotates; the cleaning mechanism comprises a cleaning piece which is arranged in a rotating mode so as to clean the surface of the bolt of the sealing chamber of the main pump to be cleaned; the spraying mechanism sprays cleaning fluid to the surface of the bolt of the sealing chamber of the main pump to be cleaned. Treat that clearance main pump seal chamber bolt is driven and rotate, the clearance piece can be to its surface cleaning, and the cleaning fluid that sprays out can wash the rubbish of clearing up, and timely clearance is walked, and convenient and fast realizes the effect of automatic clearance, and cleaning device small in size can realize that the full-automatic of numerical control formula is scrubbed, and the quality is light portable, and the ease for use is strong, the purpose that cleaning efficiency and cleanliness factor are high.

Description

Automatic cleaning device for bolts in main pump sealing chamber

Technical Field

The utility model relates to the field of nuclear power, in particular to an automatic cleaning device for bolts in a sealing chamber of a main pump.

Background

When the main pump is inspected for six years, the work of cleaning the 1# sealing bolts and coating the anti-seizure agent needs to be carried out, 16 1# sealing bolts need to be disassembled one by one, and the anti-seizure agent is carefully cleaned, inspected and coated according to the program requirement.

At present, the bolts are cleaned manually, time and labor are consumed, and the workload is large (16 pumps are inspected 6 years, and if dozens of pumps are inspected at the same time, a large amount of time is consumed);

the traditional brush is used for cleaning, personnel are required to rotate the bolt and clean the bolt at the same time, the bolt is heavy in weight, the cleaning efficiency is low, and more physical power is consumed;

when the Wigner is used as a cleaning agent, cleaning liquid splashes to the ground when the brush and the cleaning cloth are cleaned, so that the field tidiness is affected, and the risk of treading and slipping is increased;

when the screws are coated with the anti-biting agent, a thin layer of the anti-biting agent needs to be carefully coated in a manual mode, so that the coating efficiency is low (if the anti-biting agent is coated excessively, the risk of secondary disassembly is difficult);

generally, the current 1# sealing screw is cleaned and is paintd and is prevented the bite and close work, consumes artifical efficiency and lacks, needs improvement urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an automatic cleaning device for a main pump seal chamber bolt, aiming at the defects in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the automatic cleaning device for the bolts in the sealing chamber of the main pump comprises a base, and a rotary driving mechanism, a positioning clamp, a cleaning mechanism and a spraying mechanism which are arranged on the base;

the rotary driving mechanism and the positioning clamp are arranged at intervals to be clamped at two ends of a bolt of a sealing chamber of the main pump to be cleaned respectively, and the rotary driving mechanism drives the bolt of the sealing chamber of the main pump to be cleaned to rotate when rotating;

the cleaning mechanism comprises a cleaning piece which is arranged in a rotating mode so as to clean the surface of the main pump sealing chamber bolt to be cleaned;

and the spraying mechanism sprays cleaning liquid to the surface of the main pump sealing chamber bolt to be cleaned.

Preferably, the rotary driving mechanism comprises a driving seat, a first driving motor and a first chuck;

the first driving motor is installed the driving seat, first driving motor's drive shaft with the driving seat normal running fit, first chuck setting is in the tip of first driving motor's drive shaft, in order to right the tip centre gripping of treating clearance main pump seal chamber bolt.

Preferably, the first chuck is provided with a plurality of clamping jaws used for clamping the end circumference of the bolt of the sealing chamber of the main pump to be cleaned.

Preferably, the positioning fixture comprises a first guide rail, a first adjusting seat, a sliding seat slidably mounted on the first guide rail, a first adjusting piece screwed with the first adjusting seat, and a center arranged on the sliding seat, wherein the first adjusting piece is connected with the sliding seat to adjust the position of the sliding seat on the first guide rail and the position of the center.

Preferably, the cleaning device comprises a second adjusting seat for adjusting the position of the cleaning member;

the second is adjusted the seat and is included second guide rail, slidable mounting and is in base and slidable mounting on the second guide rail the footstock on the base, the slip direction of base with the slip direction of footstock is the contained angle.

Preferably, the second adjusting seat further comprises a first driving member for driving the base to slide on the second guide rail, and a second driving member for driving the top seat to slide on the base.

Preferably, be equipped with on the footstock and be used for driving clearance piece pivoted second driving motor, second driving motor's drive shaft with footstock normal running fit, the clearance piece is the brush, the tip of second driving motor's drive shaft is equipped with and is used for the centre gripping the second chuck of the brush holder of brush.

Preferably, the driving shaft of the first driving motor and the two ends of the driving seat are respectively provided with a first sealing washer, and the driving shaft of the second driving motor and the two ends of the top seat are respectively provided with a second sealing washer.

Preferably, the base is provided with a liquid accumulation tank for accommodating the cleaning liquid sprayed by the spraying mechanism, the bottom of the liquid accumulation tank is provided with a drain outlet, and the drain outlet is provided with a filter.

Preferably, the automatic cleaning device further comprises a protective cover which is covered between the rotary driving mechanism and the positioning clamp and is covered on the cleaning piece.

The automatic cleaning device for the main pump seal chamber bolt has the following beneficial effects: treat that clearance main pump seal chamber bolt is driven and rotate, the clearance piece can be to its surface cleaning, and the cleaning solution that sprays out can wash the rubbish of clearing up, and timely clearance is walked, and convenient and fast realizes the effect of automatic clearance, and cleaning device small in size can realize that the full-automatic of numerical control formula is scrubbed, and the quality is light portable, and the ease for use is strong, the purpose that cleaning efficiency and cleanliness factor are high.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic perspective view of an automatic bolt cleaning device for a seal chamber of a main pump in an embodiment of the utility model;

FIG. 2 is a schematic view of the automatic bolt cleaning device for the seal chamber of the main pump in FIG. 1 at another angle;

FIG. 3 is a schematic cross-sectional view of the rotary drive mechanism and positioning fixture of FIG. 1 clamping bolts of a seal chamber of a main pump to be cleaned;

FIG. 4 is a schematic cross-sectional view of the cleaning mechanism of FIG. 1;

fig. 5 is a perspective view of the cleaning mechanism of fig. 1.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the automatic cleaning device for the bolts in the seal chamber of the main pump in a preferred embodiment of the utility model comprises a base 1, a rotary driving mechanism 2 arranged on the base 1, a positioning fixture 3, a cleaning mechanism 4 and a spraying mechanism 5.

Referring to fig. 3, the rotary driving mechanism 2 and the positioning fixture 3 are disposed at intervals to be clamped at two ends of the main pump seal chamber bolt 6 to be cleaned, and the rotary driving mechanism 2 drives the main pump seal chamber bolt 6 to be cleaned to rotate.

The cleaning mechanism 4 comprises a cleaning piece 41 which is rotatably arranged so as to clean the surface of the main pump seal chamber bolt 6 to be cleaned; and the spraying mechanism 5 sprays cleaning liquid to the surface of the main pump sealing chamber bolt 6 to be cleaned.

Treat that clearance main pump seal chamber bolt 6 is driven and rotate, clearance piece 41 can be to its surface cleaning, and the cleaning solution that sprays out can wash the rubbish of clearing up, and timely clearance is walked, and convenient and fast realizes the effect of automatic clearance, and cleaning device small in size can realize the full-automatic purpose of scrubbing of numerical control formula, and the quality is light portable, and the ease for use is strong, cleaning efficiency and cleanliness factor are high.

In some embodiments, the rotary drive mechanism 2 includes a drive socket 21, a first drive motor 22, and a first chuck 23. Normally, a driving seat 21 is installed on the base 1, a first driving motor 22 is installed on the driving seat 21, a driving shaft of the first driving motor 22 is rotatably matched with the driving seat 21, and a first chuck 23 is arranged at the end of the driving shaft of the first driving motor 22 to clamp the end of the main pump seal chamber bolt 6 to be cleaned. Under the drive of first driving motor 22, can drive first chuck 23 and rotate, and then drive the main pump seal chamber bolt 6 rotation of treating of first chuck 23 centre gripping, the both ends of treating the main pump seal chamber bolt 6 of cleaning all have the centre gripping for rotate more steady stable.

Preferably, be equipped with on the first chuck 23 and be used for pressing from both sides and establish a plurality of jack catchs of the tip border of waiting to clear up main pump seal chamber bolt 6, the jack catch centre gripping is more stable, rotates more steadily, avoids rocking.

In some embodiments, the positioning fixture 3 includes a first guide rail 31, a first adjusting seat 32, a sliding seat 33 slidably mounted on the first guide rail 31, a first adjusting member 34 threadedly engaged with the first adjusting seat 32, and a top center 35 disposed on the sliding seat 33.

Usually, the first adjusting member 34 is connected with the sliding seat 33 through the base 1, and when the first adjusting member 34 rotates on the first adjusting seat 32, the axial position of the first adjusting member 34 can be adjusted, so as to drive the sliding seat 33 and the top center 35 to move, so as to adjust the position of the sliding seat 33 on the first guide rail 31 and the position of the top center 35, and clamp the main pump seal chamber bolts 6 to be cleaned with different lengths.

Generally, the first guide rail 31 is installed on the base 1, the first guide rail 31 is oriented toward the rotary driving mechanism 2, and the distance between the top center 35 and the rotary driving mechanism 2 can be adjusted to clamp main pump seal chamber bolts 6 with different lengths to be cleaned.

The first driving motor 22 is a direct current motor, the driving voltage is 24V, the rotating speed is 260 r/min, PWM speed regulation control is performed through a control panel potentiometer, the first chuck 23 and the top core 35 are matched with each other to clamp a workpiece of the main pump sealing chamber bolt 6 to be cleaned, the workpiece and the rotating shaft rotate together, the main pump sealing chamber bolt 6 to be cleaned can be quickly positioned only by rotating the first adjusting piece 34 to adjust the position of the top core 35 in clamping, clamping time is flexibly and conveniently saved, the speed reduction and speed regulation motor saves space, and is reliable and durable, high in overload bearing capacity, low in energy consumption, superior in performance, the efficiency of the speed reducer reaches more than 95%, vibration is small, noise is low, and energy conservation is high.

With reference to fig. 4 and 5, further, the cleaning mechanism 4 includes a second adjusting seat 42 for adjusting the position of the cleaning element 41, so that the cleaning element 41 can clean different positions on the main pump seal chamber bolt 6 to be cleaned, and the cleaning is more comprehensive.

In some embodiments, the second adjusting seat 42 includes a second guide rail 421, a base 422 slidably mounted on the second guide rail 421, and a top seat 423 slidably mounted on the base 422, and usually, the base 422 is also provided with a guide rail, and the sliding direction of the base 422 and the sliding direction of the top seat 423 form an angle, preferably, two directions form a right angle, one adjusts the position in the width direction, and the other adjusts the position in the length direction.

Usually, the second adjusting base 42 further includes a first driving member 424 for driving the base 422 to slide on the second guiding rail 421, and a second driving member 425 for driving the top base 423 to slide on the base 422, where the first driving member 424 and the second driving member 425 are usually stepping motors, and the base 422 and the top base 423 are driven to move by the rotation of the screw rod.

Preferably, be equipped with on the footstock 423 and be used for driving the second driving motor 43 of clearance 41 pivoted, the drive shaft and the footstock 423 normal running fit of second driving motor 43, when the drive shaft of second driving motor 43 rotated, drive clearance 41 and rotate and clear up. The cleaning piece 41 is a brush, the end of the driving shaft of the second driving motor 43 is provided with a second chuck 431 for clamping the brush holder of the brush, and the brushes of different materials and different models can be selected for cleaning according to the cleaning requirement.

As shown in fig. 3 and 4, preferably, the first sealing washers 211 are respectively disposed at two ends of the driving shaft of the first driving motor 22 and the driving base 21, and the second sealing washers 426 are respectively disposed at two ends of the driving shaft of the second driving motor 43, which are engaged with the top base 423, so as to prevent the cleaning liquid from damaging the rotary bearing. Furthermore, the rotating shaft, the bearing, the coupling, the top core 35, the screw rod, the linear guide rail and the like at other positions can be protected by adopting a rotary sealing ring to prevent the cleaning liquid from being damaged.

As shown in fig. 1 and 2, it is preferable that a liquid storage tank 11 for storing the cleaning liquid sprayed by the spraying mechanism 5 is provided on the base 1, a drain outlet 12 is provided at the bottom of the liquid storage tank 11, and a filter 13 is provided at the drain outlet 12.

The liquid accumulation tank 11 is designed in an open mode, dirt can be conveniently cleaned to prevent liquid accumulation, cleaning liquid is filtered by the filter 13 only by pressing down the control button high-temperature corrosion resistant gear pump in a rotating and circulating mode, the cleaning liquid is sprayed out of the spraying pipe 14 of the spraying mechanism 5 to clean a workpiece, and when cleaning is completed, the cleaning liquid can be discharged only by opening the drain valve 15. The liquid accumulating tank 11 and the machine body are integrally designed, so that the space structure is compact, and the cleanliness of cleaning liquid and the addition of the cleaning liquid are conveniently judged.

The automatic cleaning device further comprises a cover arranged between the rotary driving mechanism 2 and the positioning fixture 3 and a protective cover 7 arranged on the cleaning piece 41, wherein the protective cover 7 is made of transparent material and can be used as a transparent observation window for observing the cleaning condition and avoiding the cleaning liquid from splashing.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The automatic cleaning device for the bolts in the sealing chamber of the main pump is characterized by comprising a base (1), a rotary driving mechanism (2), a positioning clamp (3), a cleaning mechanism (4) and a spraying mechanism (5), wherein the rotary driving mechanism, the positioning clamp and the cleaning mechanism are arranged on the base (1);

the rotary driving mechanism (2) and the positioning clamp (3) are arranged at intervals to be clamped at two ends of a main pump sealing chamber bolt (6) to be cleaned respectively, and the main pump sealing chamber bolt (6) to be cleaned is driven to rotate when the rotary driving mechanism (2) rotates;

the cleaning mechanism (4) comprises a cleaning piece (41) which is arranged in a rotating mode so as to clean the surface of the main pump sealing chamber bolt (6) to be cleaned;

and the spraying mechanism (5) sprays cleaning liquid to the surface of the main pump sealing chamber bolt (6) to be cleaned.

2. The automatic cleaning device for the bolts of the seal chamber of the main pump according to claim 1, characterized in that said rotary drive mechanism (2) comprises a drive seat (21), a first drive motor (22), a first chuck (23);

the first driving motor (22) is installed on the driving seat (21), the driving shaft of the first driving motor (22) is matched with the driving seat (21) in a rotating mode, and the first chuck (23) is arranged at the end portion of the driving shaft of the first driving motor (22) to clamp the end portion of the main pump sealing chamber bolt (6) to be cleaned.

3. The automatic cleaning device for the main pump seal chamber bolt according to claim 2, characterized in that the first chuck (23) is provided with a plurality of claws for clamping to the end periphery of the main pump seal chamber bolt (6) to be cleaned.

4. The automatic cleaning device for the bolts of the seal chamber of the main pump according to claim 1, wherein the positioning jig (3) comprises a first guide rail (31), a first adjusting seat (32), a sliding seat (33) slidably mounted on the first guide rail (31), a first adjusting member (34) screwed with the first adjusting seat (32), and a top center (35) provided on the sliding seat (33), and the first adjusting member (34) is connected with the sliding seat (33) to adjust the position of the sliding seat (33) on the first guide rail (31) and the position of the top center (35).

5. The automatic cleaning device of the main pump seal chamber bolt according to claim 2, characterized in that it comprises a second adjustment seat (42) for adjusting the position of said cleaning member (41);

the second adjusts seat (42) and includes second guide rail (421), slidable mounting base (422) and slidable mounting on second guide rail (421) footstock (423) on base (422), the slip direction of base (422) with the slip direction of footstock (423) is the contained angle.

6. The automatic cleaning device for the bolts of the seal chamber of the main pump as recited in claim 5, wherein said second adjusting seat (42) further comprises a first driving member (424) for driving said base seat (422) to slide on said second rail (421), and a second driving member (425) for driving said top seat (423) to slide on said base seat (422).

7. The automatic cleaning device for the bolts in the sealing chamber of the main pump as claimed in claim 5, wherein a second driving motor (43) for driving the cleaning member (41) to rotate is arranged on the top seat (423), a driving shaft of the second driving motor (43) is in rotating fit with the top seat (423), the cleaning member (41) is a brush, and a second chuck (431) for clamping a brush holder of the brush is arranged at the end of the driving shaft of the second driving motor (43).

8. The automatic cleaning device for the main pump seal chamber bolt according to claim 7, characterized in that the two ends of the driving shaft of the first driving motor (22) and the driving seat (21) are respectively provided with a first sealing washer (211), and the two ends of the driving shaft of the second driving motor (43) matched with the top seat (423) are respectively provided with a second sealing washer (426).

9. The automatic cleaning device for the main pump seal chamber bolt according to any one of claims 1 to 8, characterized in that a liquid collecting tank (11) for containing cleaning liquid sprayed by the spraying mechanism (5) is arranged on the base (1), a sewage draining outlet (12) is arranged at the bottom of the liquid collecting tank (11), and a filter (13) is arranged on the sewage draining outlet (12).

10. The automatic cleaning device for bolts of seal chambers of main pumps according to claim 9, characterized by further comprising a protective cover (7) which is covered between said rotary drive mechanism (2), positioning jig (3), and on said cleaning member (41).