CN213688060U - Guide supporting unit of bore wiping device - Google Patents

Abstract

The utility model discloses a bore wiping arrangement's direction supporting element, including direction support section of thick bamboo, activity support, three gyro wheels and the three sets of movable link mechanism that correspond with the gyro wheel, the activity is supported and is hollow structure, and the inner circle that the activity was supported overlaps the outer lane at direction support section of thick bamboo with the active mode, and three gyro wheels and three sets of movable link mechanism are along the circumference trisection interval equipartition of direction support section of thick bamboo, gyro wheel and the contact of bore inner wall that every set of movable link mechanism drive corresponds. The utility model discloses a direction support element relies on trisection equipartition at the three gyro wheels of circumference and the three sets of movable link mechanism that correspond, supports wiping arrangement in the bore, and the different barrel bore of self-adaptation, and the oil spout part of taking certainly can be simultaneously according to the requirement of difference automatic spray gun liquid, water spray, oil spout, satisfies to wipe the big gun machine and once accomplish and clean, wash, processes such as rust-resistant fat liquoring.

Description

Guide supporting 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 direction supporting element.

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 direction supporting element conveniently guides wiping arrangement to get into and fix a position on the pipe wall of bore, can conveniently carry out the bore and clean.

The technical scheme of the utility model as follows:

a guide supporting unit of a gun bore wiping device comprises a guide supporting cylinder, a movable support, three rollers and three sets of movable connecting rod mechanisms corresponding to the rollers, wherein the movable support is of a hollow structure, an inner ring of the movable support is movably sleeved on an outer ring of the guide supporting cylinder, the three rollers and the three sets of movable connecting rod mechanisms are uniformly distributed at intervals in a trisection mode along the circumference of the guide supporting cylinder, and each set of movable connecting rod mechanism drives the corresponding roller to be in contact with the inner wall of a gun bore.

In the guide support unit of the bore wiping device, each set of movable link mechanism comprises a second spring, a first link and a second link; one end of the second spring is fixed on the movable support, the other end of the second spring is fixed on the spring hanging plate, and the spring hanging plate is fixed on the stator shaft or the guide support cylinder.

In the guide support unit of the bore wiping device, the guide support unit further comprises a liquid spray head fixed on the outer wall of the guide support cylinder.

In the guide support unit of the bore wiping device, the liquid spraying head comprises a nozzle, a liquid outlet through hole and a liquid spraying tail sleeve; the opening direction of the nozzle faces the head of the bore wiping device and inclines towards the inner wall direction of the bore.

In the guide support unit of the bore wiping device, the tail end of the guide support unit is sleeved with a hard tube, a liquid guide tube is arranged in the hard tube, one end of the liquid guide tube is connected to the liquid spray tail sleeve, the other end of the liquid guide tube is connected with a liquid spray box, and liquid in the liquid spray box is sprayed to the wall of the bore through the liquid guide tube, the liquid spray tail sleeve, the liquid outlet through hole and the nozzle in sequence.

In the guiding and supporting unit of the bore wiping device, the hard tube is formed by arranging reinforcing ribs inside the rubber tube.

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

(1) the utility model discloses a direction support element relies on trisection equipartition at the three gyro wheels of circumference and the three sets of movable link mechanism that correspond, supports wiping arrangement in the bore, and the different barrel bore of self-adaptation, and the oil spout part of taking certainly can be simultaneously according to the requirement of difference automatic spray gun liquid, water spray, oil spout, satisfies to wipe the big gun machine and once accomplish and clean, wash, processes such as rust-resistant fat liquoring.

(2) The utility model discloses a direction supporting element is hollow structure, and the tail end couples with the hard tube, conveniently carries out handheld operation, and hard tube inside is provided with cable and catheter simultaneously, has simplified the structure of device.

(3) The utility model discloses a nozzle opening direction is towards bore wiping arrangement's head to the slope is outside, and the hydrojet head is convenient will wipe the position that is close to the brush on the bore inner wall of cannon liquid spouts during the use, does benefit to the brush rotation and cleans.

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 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 second 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 static, 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. 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 (6)

1. A guiding and supporting unit of a bore wiping device, characterized in that: the gun barrel comprises a guide supporting barrel (28), a movable support (30), three rollers (25) and three sets of movable connecting rod mechanisms corresponding to the rollers, wherein the movable support (30) is of a hollow structure, the inner ring of the movable support (30) is movably sleeved on the outer ring of the guide supporting barrel (28), the three rollers (25) and the three sets of movable connecting rod mechanisms are uniformly distributed at intervals in a trisection mode along the circumference of the guide supporting barrel (28), and each set of movable connecting rod mechanism drives the corresponding roller (25) to be in contact with the inner wall of a gun bore.

2. The guide support unit of a bore wiping device according to claim 1, characterized in that: each set of movable connecting rod mechanism comprises a second spring (22), a first connecting rod (24) and a second connecting rod (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).

3. The guide support unit of a bore wiping device according to claim 1, characterized in that: the guide support unit (43) further comprises a liquid spray head (29) fixed on the outer wall of the guide support cylinder (28).

4. A guide support unit for a bore wiping device according to claim 3, characterized in that: the liquid spraying head (29) comprises a nozzle (51), a liquid outlet through hole (52) and a liquid spraying tail sleeve (53); the opening direction of the nozzle (51) faces the head of the bore wiping device and is inclined toward the inner wall of the bore.

5. The guide support unit of a bore wiping device according to claim 4, characterized in that: a hard tube (55) is sleeved at the tail end (31) of the guide supporting unit, a liquid guide tube (56) is arranged in the hard tube (55), one end of the liquid guide tube (56) is connected to the liquid spraying tail sleeve (53), the other end of the liquid guide tube is connected with a liquid spraying box, and liquid in the liquid spraying box is sprayed to the wall of the bore through the liquid guide tube (56), the liquid spraying tail sleeve (53), the liquid outlet through hole (52) and the nozzle (51) in sequence.

6. The guide support unit for a bore wiping device according to claim 5, characterized in that: the hard pipe (55) is formed by arranging reinforcing ribs inside the rubber pipe.

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