CN213748098U

CN213748098U - Rotating unit of bore wiping device

Info

Publication number: CN213748098U
Application number: CN202022470755.1U
Authority: CN
Inventors: 付剑涛; 朱新岗; 周培堂
Original assignee: Shaanxi Wuzhou Electromechanical Technology Co ltd
Current assignee: Shaanxi Wuzhou Electromechanical Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a rotating unit of a bore wiping device, which comprises an outer rotor motor and a rotating brush seat; the outer rotor motor comprises a stator shaft, a stator punching sheet, a winding, a permanent magnet and an outer rotor sleeve; the stator punching sheet is sleeved outside the stator shaft, the winding is wound on the tooth part of the stator punching sheet, the outer ring of the stator punching sheet is provided with an annular permanent magnet, the outer rotor sleeve is arranged outside the permanent magnet, the rotary brush seat is fixed on the outer rotor sleeve, and the rotary brush seat is driven to rotate when the outer rotor sleeve rotates. The utility model discloses based on brushless DC motor drive rotary unit drives rotatory brush and rotationally cleans, but the motor positive and negative rotation in cleaning utilizes the interior helix of bore, can realize cleaning the automatic advancing of big gun machine or retreat. The brushes made of different materials are adopted in the cleaning process, so that the requirements of cleaning, cleaning and oiling guns with different calibers are met, the manpower is saved, and the cleaning efficiency is greatly improved.

Description

Rotating unit of bore wiping device

Technical Field

The utility model belongs to the mechanical equipment field, concretely relates to cannon bore wiping arrangement, especially a bore wiping arrangement's rotary unit.

Background

The artillery is wiped for maintenance before and after shooting and during the opening and closing of the artillery. Especially, after the artillery is shot, a certain amount of propellant powder combustion products are adhered to the inner cavity, if the propellant powder combustion products are not removed in time, the fighting and technical performance of the artillery is influenced, and the inner cavity can be exploded in serious cases. At present, artillery inner walls are manually scrubbed by a plurality of artillery cleaning rods, one end of each artillery cleaning rod is provided with a scrubbing head, and the artillery cleaning rods are commonly held by a plurality of personnel, so that time and labor are wasted, labor intensity is high, scrubbing efficiency is low, and reliability of continuous shooting of the artillery cannot be guaranteed.

Chinese patent 'wiper for wiping inner wall of gun barrel or other pipeline' with application number 201120404585.5 discloses a wiper, which comprises a driving device, a wiping device, a supporting device and a control device, wherein the wiper adopts a pneumatic/hydraulic actuating element linkage supporting device and a wiping device which can axially stretch and retract, so as to realize axial wiping and pipeline guide advancing. In practical application, because a pneumatic or hydraulic source and a pipeline are needed, the defects of large equipment volume, inconvenience in use and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bore wiping arrangement's rotary unit to the trachea and the air supply that exist have been overcome to the wiping arrangement of this unit constitution in traditional pneumatic or hydraulic drive carry inconvenient problem, can conveniently carry out the bore and clean.

The technical scheme of the utility model as follows:

a rotary unit of a bore wiping device comprises an outer rotor motor and a rotary brush seat; the outer rotor motor comprises a stator shaft, a stator punching sheet, a winding, a permanent magnet and an outer rotor sleeve; the stator punching sheet is sleeved outside the stator shaft, the winding is wound on the tooth part of the stator punching sheet, the outer ring of the stator punching sheet is provided with an annular permanent magnet, the outer rotor sleeve is arranged outside the permanent magnet, the rotary brush seat is fixed on the outer rotor sleeve, and the rotary brush seat is driven to rotate when the outer rotor sleeve rotates.

In the rotating unit of the bore wiping device, the two sides of the outer rotor sleeve are respectively provided with the second bearing seat and the third bearing seat, the second bearing and the third bearing are respectively arranged between the stator shaft and the second bearing seat and between the stator shaft and the third bearing seat, and when the outer rotor sleeve rotates, the second bearing seat and the third bearing seat rotate along with the outer rotor sleeve.

In the above-described rotary unit of the bore wiping apparatus, the rotary brush holder is divided into two sections in the axial direction of the stator shaft, and each section is divided into two sections in the circumferential direction of the stator shaft.

In the rotating unit of the bore wiping device, a plurality of groups of brushes are arranged on the rotating brush seat.

In the rotary unit of the bore wiping device, the hairbrush is bundled bristles, stainless steel wires or nylon.

In the rotating unit of the bore wiping device, the distance between each group of brushes is 10-20 mm, and the length of the exposed part is several mm.

The utility model discloses the beneficial technological effect who has as follows:

1. the utility model discloses based on brushless DC motor drive rotary unit drives rotatory brush and rotationally cleans, but the motor positive and negative rotation in cleaning utilizes the interior helix of bore, can realize cleaning the automatic advancing of big gun machine or retreat. The brushes made of different materials are adopted in the cleaning process, so that the requirements of cleaning, cleaning and oiling guns with different calibers are met, the manpower is saved, and the cleaning efficiency is greatly improved.

2. The utility model discloses a rotatory brush holder falls into two sections at length direction, and every section averagely falls into two lamellas again, and the lock circles at the outer rotor cover, has reduced the processing of rotatory brush holder and the assembly degree of difficulty, does benefit to dismouting, the change of brush holder and brush simultaneously.

Drawings

Fig. 1 is a diagram of the components of the bore wiping device of the present invention;

fig. 2 is a three-dimensional structure diagram of the bore wiping device of the present invention;

FIG. 3 is a schematic diagram of the structure of the gun bore wiping device of the present invention;

FIG. 4 is a schematic diagram of the structure of the rotary unit of the present invention;

fig. 5 is a cross-sectional view of the rotating unit of the present invention;

FIG. 6 is a schematic view of the structure of the rotary brush of the present invention;

FIG. 7 is a schematic view of the structure of the axial reciprocating unit of the present invention;

FIG. 8 is a schematic view of the axial reciprocating mechanism of the present invention;

FIG. 9 is a cam structure view of the axial reciprocating mechanism of the present invention;

fig. 10 is a three-dimensional structure diagram of the guiding support unit of the present invention;

fig. 11 is a sectional view of the guiding support unit of the present invention;

fig. 12 is a schematic view of the structure of the tail end of the guiding and supporting unit of the present invention.

The reference numbers are as follows: 1-locking a nut; 2-a spring seat; 3 a first spring; 4-reciprocating brush base; 5-a sliding bearing; 6-a first bearing seat; 7-a pin shaft; 8-a first bearing; 9-a cam; 10-a second bearing block; 11-a second bearing; 12-rotating brush holders; 13-a stator shaft; 14-an outer rotor sleeve; 15-a permanent magnet; 16-flat bond; 17-a winding; 18-stator punching; 19-a third bearing housing; 20-a third bearing; 21-spring hanging plate; 22-a second spring; 23-a first hinge; 24-a first link; 25-a roller; 26-a second link; 27-a second hinge; 28-a guide support cylinder; 29-liquid jet head; 30-a movable support; 31-guiding the tail end of the supporting unit; 40-a brush; 41-a rotation unit; 42-an axial reciprocating unit; 43-a guide support unit; 51-a nozzle; 52-liquid outlet through holes; 53-spray tail sleeve; 54-a cable; 55-hard tube; 56-a catheter; 91-concave-convex working surface; 92-a central hole; 93-Chassis.

Detailed Description

As shown in fig. 1 and 2, the bore wiping apparatus of the present invention includes a rotation unit 41 at the middle, an axial reciprocating unit 42 at the head, and a guide support unit 43 at the tail.

The rotating unit 41 drives the rotating brush base 12 to perform rotating wiping based on the outer rotor brushless dc motor, and the rotating brush base 12 converts the rotating motion into reciprocating motion by the cam mechanism during the rotating wiping, and synchronously drives the reciprocating brush base 4 in the axial reciprocating unit 42 to perform reciprocating wiping. The motor can rotate forward and backward, and the gun cleaning machine can automatically advance or retreat by utilizing the spiral line in the gun bore. The guiding and supporting unit 43 is supported in the bore by three equal parts of three rollers uniformly distributed along the circumferential direction (the included angle of every two rollers in the circumferential direction is 120 degrees), so that the guiding and supporting unit is adaptive to different bore diameters of the gun barrel, and simultaneously, the self-carried oil injection component injects oil in wiping. By adopting the rotary and reciprocating combined motion wiping method and adopting the brushes made of different materials, the requirements of wiping, cleaning and oiling guns with different calibers are met, the manpower is saved, and the wiping efficiency is greatly improved.

(I) a rotation unit

As shown in fig. 3 to 5, the rotating unit 41 mainly includes a central outer rotor brushless dc motor, a cam 9 and an outer ring rotating brush base 12, and brushes 40 are uniformly mounted on the rotating brush base 12.

The outer rotor brushless direct current motor adopts a conventional outer rotor brushless direct current motor structure and mainly comprises a central stator shaft 13, a stator punching sheet 18, a winding 17, a permanent magnet 15 and an outer rotor sleeve 14; the stator punching sheet 18 is sleeved outside the stator shaft 13, and the stator punching sheet 18 is fixed on the stator shaft 13 through a compression fit or a flat key 16. The outer ring of the stator lamination 18 is provided with a plurality of teeth, and the winding 17 is wound on the teeth of the stator lamination 18. The outer ring of the stator is an annular permanent magnet 15, an outer rotor sleeve 14 is arranged outside the permanent magnet 15, and the permanent magnet 15 is arranged in the outer rotor sleeve 14; a second bearing seat 10 and a third bearing seat 19 are respectively arranged on two sides of the outer rotor sleeve 14, and a second bearing 11 and a third bearing 20 are respectively arranged between the stator shaft 13 and the second bearing seat 10 and the third bearing seat 19. As the outer rotor sleeve 14 rotates, the second bearing housing 10 and the third bearing housing 19 follow the rotation.

The cam 9 is a hollow integrated boss structure, and comprises a central hole 92, a concave-convex working surface 91 and a base plate 93, wherein the concave-convex working surface 91 is arranged on the base plate 93. The concave-convex working surface 91 is formed by symmetrically arranging two concave parts and two convex parts on the circumference of the boss working surface, and the concave parts and the convex parts are in smooth transition; the center hole 92 is fitted around the outside of the stator shaft 13 with a gap maintained, and the base plate 93 is fixed to the second bearing housing 10 by screws to rotate synchronously with the outer rotor sleeve 14 for driving the axial reciprocating unit.

The stator shaft 13 is fixed to a guide support unit 43, and the guide support unit 43 is supported on the inner wall of the bore. When the winding 17 is connected with a direct current power supply, an internal rotating magnetic field is formed under the drive of the permanent magnet brushless direct current motor driver, the stator shaft 13 is still, and the rotating brush base 12 performs rotating motion, so that the brush 40 wipes the bore.

As shown in fig. 4 and 6, the rotary brush holder 12 is divided into two sections in the axial direction of the stator shaft 13, each section is divided into two sections in the circumferential direction of the stator shaft 13, and the two sections are fastened or fixed on the outer ring of the outer rotor sleeve 14 by screws, so as to reduce the processing and assembling difficulty and facilitate the disassembly, assembly and replacement of the brush holder and the brush.

(II) axial reciprocating unit

As shown in fig. 7 to 9, the axially reciprocating unit 42 includes a reciprocating brush holder 4, a first spring 3, a first bearing holder 6, and two first bearings 8; the first bearing 8 is a ball bearing, the inner ring of the first bearing 8 is provided with a pin shaft 7, the first bearing 8 is arranged on the first bearing seat 6, the central line of the first bearing 8 is vertical to the axis of the stator shaft 13, and the outer ring of the first bearing 8 is attached to the concave-convex working surface 91 of the cam 9; the reciprocating brush holder 4 is mounted on a bearing block 6.

As a further embodiment, the axially reciprocating unit 42 further comprises a sliding bearing 5, an outer ring of the sliding bearing 5 being mounted on the first bearing seat 6, and an inner ring of the sliding bearing 5 being fixed on the stator shaft 13.

In a further embodiment, a locknut 1 and a hollow spring seat 2 are mounted on the head of the stator shaft 13, the locknut 1 fixes the spring seat 2 to the stator shaft 13, and the first spring 3 is provided in the hollow portion of the spring seat 2. The outer race of the first bearing 8 is pressed against the concave-convex working surface 91 of the cam 9 by the pressure of the first spring 3.

When the outer rotor brushless direct current motor rotates, the outer rotor sleeve 14 rotates, the second bearing seat 10 rotates along with the outer rotor brushless direct current motor, and the cam 9 is driven to rotate along with the outer rotor brushless direct current motor. The first spring 3 gives pretightening force to the first bearing seat 6, so that the outer rings of the two first bearings 8 and the concave-convex working surface 91 at the corresponding position of the cam 9 perform linear contact reciprocating motion, the first bearing seat 6 and the reciprocating brush seat 4 are further driven to reciprocate along the axis direction of the stator shaft 13, and the reciprocating brush seat 4 reciprocates for 2 times when the outer rotor sleeve 14 and the rotary brush seat 12 rotate for each circle.

The cleaning mode combining the rotation of the rotary brush and the reciprocating motion of the reciprocating brush overcomes the defect of the traditional single cleaning method and better cleans the dirt on the negative line and the positive line of the bore. The brush 40 is made of bristles, stainless steel wires, nylon or other materials, and is bonded or riveted on the brush seat 4 after being bundled into a plurality of groups, the length of the exposed part is several millimeters, and the distance between every two groups of brushes is 10-20 mm, so that the process requirements of copper hanging removal, dirt removal, cleaning, oil coating and the like in the wiping process are met.

(III) guiding and supporting unit

As shown in fig. 10 and 11, the guide supporting unit 43 includes a guide supporting cylinder 28, a movable support 30, three rollers 25, and three sets of movable link mechanisms corresponding to the three rollers one by one. The guiding support cylinder 28 is a cylindrical structure, one end of the guiding support cylinder 28 is sleeved and fixed at the tail part of the stator shaft 13, and the other end can be penetrated by a power supply cable of the winding. The movable support 30 is a hollow structure, and the inner ring of the movable support 30 is movably sleeved on the outer ring of the guide support cylinder 28.

Each set of movable linkage comprises a second spring 22, a first link 24 and a second link 26; one end of the second spring 22 is fixed on the movable support 30, the other end is fixed on the spring hanging plate 21, and the spring hanging plate 21 is fixed on the stator shaft 13 or the guide support cylinder 28. The first connecting rod 24 and the second connecting rod 26 movably support the roller 25 outside the guide supporting cylinder 28 through the first hinge 23 and the second hinge 24 respectively, and three rollers 25 are evenly distributed at intervals in a trisection manner around the guide supporting cylinder 28, under the pre-pressure action of the second spring 22, three sets of movable connecting rod mechanisms enable the three rollers 25 to be in contact with the inner wall of the bore, so that the wiping requirements of bores with different calibers are met within a certain range.

The whole bore wiping device is supported by the guide supporting unit 43 at the tail end and the brushes at the front end and the middle part, keeps good position precision and working posture in the bore, and can move back and forth in the bore through the three rollers 25 to wipe the position of the bore.

As shown in fig. 11 and 12, the guide supporting unit 43 further includes a liquid ejecting head 29 fixed on the outer wall of the guide supporting cylinder 28, the liquid ejecting head 29 including a nozzle 51, a liquid outlet hole 52 and a liquid ejecting tail cap 53; the tail end 31 of the guide supporting unit is of a cylindrical structure, a hard pipe 55 is sleeved outside the guide supporting unit, the hard pipe is formed by arranging reinforcing ribs inside a rubber pipe, a cable 54 and a liquid guide pipe 56 which are connected with a motor winding are arranged inside the hard pipe 55, one end of the liquid guide pipe is connected to a liquid spraying tail sleeve 53, the other end of the liquid guide pipe is connected with a liquid spraying box, blasting liquid or oil, water and the like are sequentially sprayed to the wall of a bore through a liquid outlet through hole 52 and a nozzle 51 under the action of pressure, the opening direction of the nozzle 51 faces to the head of the bore wiping device and inclines outwards, when the gun cleaning device is used, the liquid spraying head 29 is responsible for spraying the blasting liquid onto the inner wall of the bore, and a brush rotates to wipe. And the gun cleaning liquid, the water spraying and the oil spraying are automatically carried out according to different requirements, so that the gun cleaning machine can complete the procedures of cleaning, rust-proof oil coating and the like at one time. Different brushes are changed during oiling and copper hanging removal, the brushes are stainless steel wires and spray blasting liquid during copper hanging removal, and the brushes are bristles and spray oil during oiling. When in use, an operator can move the bore back and forth by holding the hard tube 55 with hands to wipe different positions.

The utility model discloses a bore wiping arrangement adopts the brushless DC motor of outer rotor of autonomic design as rotary power, and the rotatory brush of drive is rotatory to cooperation cam mechanism ingeniously converts rotary power into straight reciprocating motion, has realized reciprocating brush's reciprocating motion, cleans the method through this kind of reciprocal and rotatory combination, has realized inside cleaning, washing of bore, fat liquoring, greatly reduced intensity of labour, improved and cleaned efficiency.

Claims

1. A rotary unit for a bore wiping device, characterized by: comprises an outer rotor motor and a rotary brush seat (12); the outer rotor motor comprises a stator shaft (13), stator punching sheets (18), windings (17), permanent magnets (15) and an outer rotor sleeve (14); stator punching (18) cover is in stator shaft (13) outside, and winding (17) winding is in the tooth portion of stator punching (18), and the outer lane of stator punching (18) is provided with annular permanent magnet (15), and outer rotor cover (14) set up the outside at permanent magnet (15), rotatory brush holder (12) fix on outer rotor cover (14), drive rotatory brush holder (12) and rotate when outer rotor cover (14) are rotatory.

2. A rotary unit for a bore wiping device according to claim 1, characterized in that: the stator is characterized in that a second bearing seat (10) and a third bearing seat (19) are respectively arranged on two sides of the outer rotor sleeve (14), a second bearing (11) and a third bearing (20) are respectively arranged between the stator shaft (13) and the second bearing seat (10) and between the stator shaft and the third bearing seat (19), and when the outer rotor sleeve (14) rotates, the second bearing seat (10) and the third bearing seat (19) rotate along with the stator shaft.

3. A rotary unit for a bore wiping device according to claim 1, characterized in that: the rotary brush holder (12) is divided into two sections in the axial direction of the stator shaft (13), and each section is divided into two parts in the circumferential direction of the stator shaft (13).

4. A rotary unit for a bore wiping device according to claim 1, characterized in that: the rotary brush seat (12) is provided with a plurality of groups of brushes (40).

5. The rotary unit of a bore wiping device according to claim 4, characterized in that: the brush (40) is made of bundled bristles, stainless steel wires or nylon.

6. The rotary unit of a bore wiping device according to claim 4, characterized in that: the distance between every two groups of hairbrushes (40) is 10-20 mm.