CN112339951A - Roller device of underwater motion platform - Google Patents

Roller device of underwater motion platform Download PDF

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Publication number
CN112339951A
CN112339951A CN202011179009.5A CN202011179009A CN112339951A CN 112339951 A CN112339951 A CN 112339951A CN 202011179009 A CN202011179009 A CN 202011179009A CN 112339951 A CN112339951 A CN 112339951A
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China
Prior art keywords
roller
support
hole
shaft
support shaft
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CN202011179009.5A
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Chinese (zh)
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CN112339951B (en
Inventor
马贵辉
姚熊亮
栾景雷
方明
孙龙泉
陈莹玉
李素云
肖巍
魏然
李文朋
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Harbin Engineering University
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Harbin Engineering University
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Publication of CN112339951A publication Critical patent/CN112339951A/en
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Publication of CN112339951B publication Critical patent/CN112339951B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/52Tools specially adapted for working underwater, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00Wheels characterised by rail-engaging elements
    • B60B17/0006Construction of wheel bodies, e.g. disc wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00Wheels characterised by rail-engaging elements
    • B60B17/0065Flange details
    • B60B17/0068Flange details the flange being provided on a single side

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention belongs to the technical field of underwater tests, and particularly relates to a roller device of an underwater motion platform. The invention aims to guarantee the motion stability and the bearing capacity of an underwater motion platform, and provides an underwater motion platform roller device which is simple in structure, easy to manufacture, flexible to install and high in reliability. The obstacle cleaner structure designed by the invention can clean foreign matters on the rail in real time in the moving process of the roller on the rail, so that the roller is continuously attached to the rail, and the platform stably runs. The roller bracket is designed in a triangular structure, and has the characteristics of high stability and high bearing capacity; the design form of support can let the support rotate around the support axle, guarantees that each wheel can laminate simultaneously on the track, also promotes platform bearing capacity simultaneously. The underwater motion platform is convenient to install and operate, safe and reliable, meets the test requirements, ensures the motion stability of the underwater motion platform, provides protection for a test device, and ensures the experiment.

Description

Roller device of underwater motion platform
Technical Field
The invention belongs to the technical field of underwater tests, and particularly relates to a roller device of an underwater motion platform.
Background
The underwater motion platform is an experimental device for realizing the simulation of the horizontal motion speed of an underwater vehicle, the platform is used as carrying equipment of the underwater vehicle, a roller device is usually adopted to transfer the weight of a load to a track, and lower advancing and retreating resistance is maintained. Because the underwater working environment of the platform is unique, the omnidirectional motion monitoring and excessive manual intervention cannot be realized, the reasonable roller design adapts to the complex underwater environment, and is vital to ensuring the stable operation of the platform and the reliability of the experiment.
Aiming at the unique and complex working environment of an underwater motion platform, the problem that foreign matters subside to cover a track usually exists, and a conventional roller device does not have a real-time track foreign matter cleaning function, so that the roller and the track can not be continuously attached, the motion of the platform jolts and shakes, even the platform starts and stops suddenly, or the platform is stressed asymmetrically during traveling, so that the roller moves leftwards and rightwards to deviate, and accidents such as derailment and overturn occur. In addition, the conventional single-group single-wheel supporting mode has small supporting area and large load of the roller shaft, and cannot meet the requirement of large bearing capacity. Therefore, aiming at the underwater motion platform, a special roller device needs to be designed to effectively solve the problems and improve the motion stability and reliability of the underwater motion platform.
Disclosure of Invention
The invention aims to provide a roller device of an underwater motion platform, which guarantees the motion stability and the bearing capacity of the underwater motion platform.
The purpose of the invention is realized by the following technical scheme: comprises a support, a support shaft, a roller shaft, a roller bracket and a barrier cleaner; the support is composed of a platform and a boss, and the boss is arranged below the middle part of the platform; mounting holes are formed in the two sides of the platform along the vertical direction; the middle part of the boss is provided with a through hole along the horizontal direction; the support shaft is of a stepped shaft structure consisting of small-diameter sections at two ends and a large-diameter section in the middle, the diameters of the small-diameter sections at the two ends of the support shaft are the same, and threads are machined on the surfaces of the small-diameter sections at the two ends of the support shaft; the center of the front end of the support shaft is provided with an axial oil hole, the axial oil hole starts from the center position of the end surface of the small-diameter section of the front end of the support shaft, and the tail end of the axial oil hole is stopped to the middle position of the axial length of the large-diameter section in the middle of the support shaft; the center of the large-diameter section in the middle of the support shaft is provided with a radial oil hole, the radial oil hole is perpendicular to the axial oil hole, one end of the radial oil hole is connected with the tail end of the axial oil hole, and the other end of the radial oil hole is communicated with the outside of the support shaft; two pin holes which are vertical to each other are respectively arranged on the small diameter sections at the two ends of the support shaft, and split pins are arranged in the pin holes; the two groups of roller wheel brackets are respectively arranged in front of and behind the support; the whole roller bracket is of an isosceles triangle structure, and three corners are subjected to circular arc smoothing treatment; through holes are formed in the inner side positions of three corners of the roller wheel bracket, and a group of obstacle cleaner mounting holes are formed in the inner side positions of the edges of two waist parts of the roller wheel bracket; the obstacle clearing device is arranged on the roller bracket in front of the support through the obstacle clearing device mounting hole; the support is connected with the two roller wheel brackets through a support shaft; the small diameter section at the front end of the support shaft penetrates through a through hole at the top angle of the roller support in front of the support and is in threaded connection with a support shaft nut, and an axial oil hole at the front end of the support shaft is connected with the straight-through type pressure injection oil cup; the middle large-diameter section of the support shaft is positioned in the through hole of the support boss, and a support shaft sleeve is sleeved outside the middle large-diameter section of the support shaft; the small diameter section at the rear end of the support shaft penetrates through a through hole at the vertex angle of the roller bracket at the rear part of the support and is connected with a support shaft nut through threads; the two rollers are respectively arranged between the bottoms of the left side and the right side of the two sets of roller brackets; the roller is in a single-side rim T-shaped stepped shaft form, a stepped through hole is formed in the center of the roller, and two end faces of the stepped through hole are counter bores; the large end surface of the roller wheel rim is opposite to the roller wheel bracket behind the support, and a gap is reserved between the large end surface of the roller wheel rim and the roller wheel bracket behind the support; the roller is arranged between the two groups of roller brackets through a roller shaft; the whole roller shaft has the same structure as the support shaft, the sizes of the small diameter sections at the front end and the rear end of the roller shaft are matched with the size of the through hole formed in the bottom angle of the roller bracket, and the size of the large diameter section in the middle of the roller shaft is matched with the size of the stepped through hole in the center of the roller; the small-diameter section at the front end of the roller shaft penetrates through a through hole at the bottom angle of the roller bracket in front of the support and is in threaded connection with a roller shaft nut, and an axial oil hole at the front end of the roller shaft is connected with a straight-through type pressure injection oil cup; the middle large-diameter section of the roller shaft is positioned in the stepped through hole of the roller, and a roller shaft sleeve is sleeved outside the middle large-diameter section of the roller shaft; the small diameter section at the rear end of the roller shaft penetrates through a through hole at the bottom angle of the roller bracket at the rear part of the support and is in threaded connection with a nut of the roller shaft.
The present invention may further comprise:
the support shaft nut is of an outer hexagonal structure, a threaded hole is formed in the middle of the support shaft nut, and through grooves are formed in the radial positions of six edges of the end face of the outer side of the support shaft nut; the roller shaft nut is of an outer hexagonal structure with a flange, a threaded hole is formed in the middle of the roller shaft nut, and through grooves are formed in the radial positions of six edges of one end, without the flange, of the roller shaft nut.
The whole support shaft sleeve is of a hollow cylindrical structure, two oil grooves which are equal in length, opposite in position and parallel are formed in the middle of the inner wall of the support shaft sleeve, and the oil grooves do not penetrate through the inner wall of the whole support shaft sleeve; two groups of two roller shafts are sleeved, and each group comprises two roller shafts; the roller shaft sleeve is in a unilateral flange T-shaped stepped shaft form, two oil grooves which are equal in length, opposite in position and parallel are formed in the inner wall of the roller shaft sleeve, and the oil grooves start from the end surface of the non-flange side of the roller shaft sleeve and do not penetrate through the inner hole wall of the roller shaft sleeve; the flange of the roller shaft sleeve is embedded into a counter bore at one end of the rim of the roller, and the inner side surface of the flange of the roller shaft sleeve is attached to the bottom surface of the counter bore at the end surface of the rim of the roller.
The obstacle clearance device is composed of two groups of non-equilateral angle steel structures which are perpendicular to each other, wherein one group of non-equilateral angle steel structures are provided with notches on one side of a long edge, and the non-equilateral angle steel structures with the notches I are arranged at the obstacle clearance device mounting holes of the roller support in front of the support.
The invention has the beneficial effects that:
the invention aims to guarantee the motion stability and the bearing capacity of an underwater motion platform, and provides an underwater motion platform roller device which is simple in structure, easy to manufacture, flexible to install and high in reliability. The obstacle cleaner structure designed by the invention can clean foreign matters on the rail in real time in the moving process of the roller on the rail, so that the roller is continuously attached to the rail, and the platform stably runs. The roller bracket is designed in a triangular structure, and has the characteristics of high stability and high bearing capacity; the design form of support can let the support rotate around the support axle, guarantees that each wheel can laminate simultaneously on the track, also promotes platform bearing capacity simultaneously. The underwater motion platform is convenient to install and operate, safe and reliable, meets the test requirements, ensures the motion stability of the underwater motion platform, provides protection for a test device, and ensures the experiment.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3(a) is a cross-sectional view taken along the direction a in fig. 3 (b).
Fig. 3(b) is a plan view of the stand of the present invention.
Fig. 4(a) is a front view of the roller bracket according to the present invention.
Fig. 4(b) is a top view of the roller bracket of the present invention.
Fig. 5(a) is a half sectional view of the pedestal bushing according to the present invention.
Fig. 5(b) is a left side view of the pedestal bushing according to the present invention.
Fig. 6(a) is a front view with a partial section of the pedestal shaft according to the present invention.
Fig. 6(b) is a cross-sectional view taken along the line a in fig. 6 (a).
Fig. 7(a) is a half sectional view of the roller bushing according to the present invention.
Fig. 7(b) is a left side view of the roller bushing of the present invention.
Fig. 8(a) is a front view with a partial section of the roller shaft according to the present invention.
Fig. 8(b) is a cross-sectional view taken along the line a in fig. 8 (a).
Fig. 9 is a half sectional view of the roller of the present invention.
Fig. 10(a) is a front view of the obstacle deflector of the present invention.
Fig. 10(b) is a left side view of the obstacle deflector of the present invention.
Fig. 10(c) is a plan view of the obstacle deflector of the present invention.
Figure 10(d) is an isometric view of the barrier remover of the present invention.
Fig. 11(a) is a front view of the carrier shaft nut of the present invention.
Fig. 11(b) is a cross-sectional view taken along the line a in fig. 11 (a).
Figure 12(a) is a front view of the roller axle nut of the present invention.
Fig. 12(b) is a cross-sectional view taken along the line a in fig. 12 (a).
Fig. 13 is a schematic diagram of the overall structure of four sets of rollers moving on the track.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention belongs to the technical field of underwater tests, and particularly relates to a roller device of an underwater motion platform. The invention aims to guarantee the motion stability and the bearing capacity of an underwater motion platform, and provides an underwater motion platform roller device which is simple in structure, easy to manufacture, flexible to install and high in reliability.
A roller device of an underwater motion platform comprises: a roller assembly. The roller components are connected with the underwater motion platform through bolts.
The roller assembly comprises a support, a support shaft sleeve, a support shaft, a roller shaft sleeve, a roller shaft, a roller support, a support shaft nut, a roller shaft nut, a barrier cleaner and a through type pressure injection oil cup, the support is similar to the bearing seat in structure, four threaded holes are formed in the large surface of a support boss part and close to the outer side of a track, the support is conveniently connected with an underwater motion platform through bolts, a through hole is formed in the middle of the support supporting part, and the support is connected with the support shaft sleeve in a clearance fit mode through the through hole of the supporting part.
The bearing shaft sleeve is characterized in that two oil grooves which are fixed in length, opposite in position and parallel are formed in the middle of the inner wall of the bearing shaft sleeve, the oil grooves do not penetrate through the inner wall of the whole bearing shaft sleeve for preventing end leakage, and the bearing shaft sleeve is connected with the bearing shaft through an inner hole in a clearance fit mode.
The support shaft is a stepped shaft with two small-diameter sections at two ends and a large-diameter section in the middle, the diameters of the two small-diameter sections are the same, the surfaces of the two small-diameter sections at two ends of the support shaft are provided with threads, the center of one end of the support shaft is provided with an axial oil hole, the axial oil hole is a section of threaded hole and a section of stepped hole is provided with a unthreaded hole, the threaded hole starts from the central position of the end surface of the small-diameter section at one end of the support shaft, the tail end of the axial oil hole stops at the middle position of the axial length of the large-diameter section in the middle of the support shaft, the large section in the middle of the support shaft is provided with a radial oil hole which is perpendicular to the axial oil hole, the tail end of the radial oil hole stops at the central position of the large-diameter section in the middle of the support shaft, the small-diameter sections at two ends of the support shaft are provided with two pin holes which are perpendicular to each other, each group of pin holes has two pin holes which are spaced And (4) matching and connecting.
The roller support has two, three angle inboard positions of roller support respectively open and to have through-hole and apex angle position through-hole diameter big, two base angle position through-holes little, each through-hole equipartition, two waist edge inboard positions of roller support respectively open and to have two sets of apertures, every group aperture have two and with two waist edges of roller support parallel and the certain distance of interval, one of them roller support through apex angle major diameter through-hole with the support hub connection, one of them roller support through install the nut on the minor diameter section of support axle spacing, support axle nut has two, support axle nut is outer hexagonal structure and middle processing threaded hole, six border radial position of support axle nut one end open the groove, one of them support axle nut passes through threaded connection and installs support axle one end minor diameter section on the pinhole installs the split pin, the center of the end face of the small-diameter section at one end of the support shaft is connected with the straight-through type pressure injection oil cup through a threaded hole; the other roller bracket is arranged between the support shaft nut and the support supporting part in the same way, the other support shaft nut is arranged at the other end small-diameter section of the support shaft, a cotter pin is arranged on a pin hole in the other end small-diameter section of the support shaft, and the two roller brackets are parallel to each other in the spatial installation position.
The rolling wheel is arranged between the two rolling wheel supports, the number of the rolling wheels is two, the rolling wheels are in a single-side flange T-shaped stepped shaft form, a stepped hole through hole is formed in the middle, counterbores are formed in two end faces, the large end face of the rolling wheel flange is opposite to the inner side face of one rolling wheel support, a mounting gap is formed between the two faces, the end face of one side of the rolling wheel without the flange is opposite to the inner side face of the other rolling wheel support, and a mounting gap is formed between the two faces; the other roller is mounted between the two roller brackets in the same manner as described above.
The roller is in clearance fit connection with the roller shaft sleeve through an inner hole, the roller shaft sleeve is provided with two groups, each group comprises two rollers, the roller shaft sleeve is in a single-side flange T-shaped stepped shaft form, the inner wall of the roller shaft sleeve hole is provided with two oil grooves which are in certain length, opposite and parallel in position, the oil grooves start from the end surface of the roller shaft sleeve without a flange and do not penetrate through the inner hole wall of the roller shaft sleeve, one roller shaft sleeve flange of one group is embedded into a counter bore at one end of the roller flange and is positioned by the roller shaft sleeve flange, the inner side surface of the roller shaft sleeve flange is attached to the bottom surface of the counter bore at the end surface of the roller flange, and the large end surface of the roller shaft sleeve flange is positioned; and the other roller shaft sleeve is embedded into the stepped hole at one end of the roller wheel rim in the same way, and is positioned by the roller shaft sleeve flange, the inner side surface of the roller shaft sleeve flange is attached to the bottom surface of the counter bore at the end surface of the roller wheel rim, and the large end surface of the roller shaft sleeve flange is positioned by the inner side surface of the other roller wheel bracket. The other two roller shaft sleeves are arranged in the roller stepped holes in the same manner.
One group of roller shaft sleeves is connected with the roller shaft in a clearance fit mode through an inner hole, the number of the roller shafts is two, the roller shafts are stepped shafts of two end small-diameter sections and a middle large-diameter section, the diameters of the two end small-diameter sections are the same, threads are machined on the surfaces of the two end small-diameter sections of the roller shafts, two groups of pin holes which are mutually perpendicular in position are respectively formed in the two end small-diameter sections of the roller shafts, each group of small holes are formed in two groups and are spaced by 180 degrees, an axial oil hole is formed in the center of one end of each roller shaft, each axial oil hole is a section of threaded hole and a section of stepped hole is a unthreaded hole, the threaded hole starts from the end face center position of the small-diameter section at one end of the roller shaft, the tail end of each axial oil hole is cut to the axial length middle position of the middle large section of the roller shaft, a radial oil hole which is mutually perpendicular to the axial oil hole is formed in the, the small-diameter sections at the two ends of the roller shaft respectively extend out through one bottom corner through hole of the two roller supports, and the rest part, which is not matched with the roller shaft sleeves of one group, on the large-diameter section in the middle of one roller shaft is in clearance fit connection with the through hole at one bottom corner of the roller supports; the other roller shaft is arranged in the other roller shaft sleeve in the same way, the small-diameter sections at the two ends of the other roller shaft respectively extend out through the through hole at the other bottom angle of the two roller brackets, and the rest part of the large-diameter section in the middle of the other roller shaft, which is not matched with the other roller shaft sleeve, is in clearance fit connection with the through hole at the other bottom angle of the roller brackets.
The small-diameter sections at the two ends of the roller shaft are provided with two groups of roller shaft screw caps, each group of two roller shaft screw caps are provided, each roller shaft screw cap is of an outer hexagonal structure with a flange, a threaded hole is processed in the middle of the roller shaft screw cap, six edges at the non-flange end of each roller shaft screw cap are provided with through grooves in the radial direction, one group of roller shaft screw caps are arranged at the small-diameter sections at the two ends of one roller shaft through threaded connection, and the non-groove end of each roller shaft screw cap is positioned by a shaft shoulder of the roller shaft; the other group of roller shaft screw caps are arranged on the small-diameter sections at the two ends of the other roller shaft in the same way, cotter pins are arranged on pin holes on the small-diameter sections at the two ends of the two groups of roller shafts, the two groups of roller shafts are connected with the straight-through type pressure injection oil cup through threaded holes in the center of the end face of the small-diameter section at the same end, and the two straight-through type pressure injection oil cups at the same end of the two groups of roller shafts and the straight-through type pressure injection oil cup at one end of the support shaft are on the same side.
The wheel bracket installed on one side of the wheel rim is connected with the obstacle clearing device through a bolt, the obstacle clearing device is in a non-equilateral angle steel structure form, a part of notch is formed in one side of a long edge, the installation of a nut of the roller shaft on one side of the roller shaft is convenient, two through holes are machined in the remaining part of the obstacle clearing device without the notch, and the positions of the through holes correspond to the positions of a group of small holes in the inner side of the waist edge on one side of the wheel bracket.
The invention has the beneficial effects that:
1. the invention relates to a roller device of an underwater motion platform, which adopts a multi-wheel design similar to train wheels, wherein the four groups of the platform have 8 wheels, so that the supporting area is increased, the bearing capacity of the platform is improved, the load in a single-wheel bearing and between the single-wheel bearing and a track is reduced, and the stability of the underwater platform during starting and sudden stopping can be ensured.
2. The obstacle cleaner structure designed by the invention can clean foreign matters on the rail in real time in the moving process of the roller on the rail, so that the roller is continuously attached to the rail, and the platform stably runs.
3. According to the invention, the protruding wheel rim on one side of the roller continuously supports the edge close to the rail, and the eight wheel rims on the inner sides of the two rails are formed by four groups of eight rollers, so that the left and right deviation of the roller is limited, thereby ensuring the advancing direction of the roller on the rail, and preventing the roller from derailing due to uneven left and right stress of the platform to a certain extent.
4. The roller bracket is designed in a triangular structure, and has the characteristics of high stability and high bearing capacity; the design form of support can let the support rotate around the support axle, guarantees that each wheel can laminate simultaneously on the track, also promotes platform bearing capacity simultaneously.
5. The underwater motion platform is convenient to install and operate, safe and reliable, meets the test requirements, ensures the motion stability of the underwater motion platform, provides protection for a test device, and ensures the experiment.
Example 1:
reference numerals: 1-obstacle cleaner, 2-carrier axle nut, 3-roller carrier, 4-carrier axle, 5-carrier, 6-outer hex bolts, 7-carrier axle sleeve, 8-carrier axle cotter pin, 9-roller axle cotter pin, 10-roller, 11-roller axle sleeve, 12-roller axle, 13-roller axle nut, 14-outer hex bolts, 15-straight-through pressure-injection oil cup, 16-carrier through hole, 17-roller carrier apex angle through hole, 18-roller carrier base angle through hole, 19-roller carrier waist edge through hole, 20-carrier axle sleeve oil groove, 21-carrier axle radial oil hole, 22-carrier axle axial oil hole, 23-carrier axle pin hole, 24-roller axle sleeve oil groove, 25-roller axle radial oil hole, 26-roller shaft pin hole, 27-roller shaft axial oil hole, 28-support shaft nut open slot, 29-roller shaft nut open slot, 30-roller component, 31-underwater motion platform and 32-I-steel track.
As shown in fig. 1 and 2, a roller device of an underwater motion platform comprises: a roller assembly 30. The roller assemblies are connected with the underwater motion platform through outer hexagon bolts 6, and the number of the outer hexagon bolts 6 of a single roller assembly 30 is four.
The roller assembly comprises a support 5, a support shaft sleeve 7, a support shaft 4, a roller 10, a roller shaft sleeve 11, a roller shaft 12, a roller support 3, a support shaft nut 2, a roller shaft nut 13, a barrier cleaner 1 and a straight-through type pressure injection oil cup 15, as shown in fig. 3(a) and fig. 3(b), four threaded holes are formed in the large surface of a boss part of the support 5, close to the outer side of an I-shaped steel rail 32, so that the support 5 is conveniently connected with an underwater motion platform 31 through an outer hexagon bolt 6, a through hole 16 is formed in the middle of a support part of the support 5, and the support 5 is in clearance fit connection with the support shaft sleeve 7 through the support through hole 16.
As shown in fig. 5(a) and 5(b), the support shaft sleeve 7 is made of brass, two oil grooves 20 with a certain length and opposite and parallel positions are formed in the middle of the inner wall of the support shaft sleeve 7, in order to prevent end leakage, the oil grooves 20 do not penetrate through the whole inner wall of the support shaft sleeve 7, and the support shaft sleeve 7 is in clearance fit connection with the support shaft 4 through an inner hole; the support 5 can rotate around the support shaft 4, so that all the rollers 10 can be attached to the track surface.
As shown in fig. 6(a) and 6(b), the support shaft 4 is a stepped shaft, the diameters of the two ends of the shaft are the same, threads are machined at the two ends of the support shaft 4, an axial oil hole 22 is formed in the center of one end of the support shaft 4, the axial oil hole 22 is a threaded hole and a stepped hole with a smooth hole, the axial oil hole 22 is perpendicular to the radial oil hole 21, two pin holes 23 perpendicular to each other are formed in the two ends of the support shaft 4, and the rest part, which is not matched with the support shaft sleeve 7, of the middle section of the support shaft 4 is in clearance fit connection with the through hole 17 in the vertex angle part of the roller support 3.
The roller support 3 has two roller supports, as shown in fig. 4(a) and 4(b), the roller support 3 is an isosceles triangle plate, and each vertex angle is processed with a radius, the vertex angle of the roller support 3 is provided with a through hole 17, the base angle is provided with a through hole 18, the inner side positions of the two waist edges of the roller support 3 are respectively provided with two groups of small holes 19, one roller support 3 is connected with the support shaft 4 through the vertex angle through hole 17, one roller support 3 is limited through a support shaft nut 2 arranged at one end of the support shaft 4 (as shown in fig. 2), the support shaft nuts 2 have two, the support shaft nut 2 is of an outer hexagonal structure, six edge radial positions at one end of the support shaft nut 2 are provided with open grooves 28 (as shown in fig. 11(a) and 11(b), one support shaft nut 2 is arranged at one end of the support shaft 4 through threaded connection, one end without a groove is positioned by a shaft shoulder of the support shaft, a cotter pin 8 is arranged on a pin hole 23 at one end of the support shaft 4 to prevent the support shaft nut 2 from loosening caused by the relative rotation of the support shaft 4 and the support shaft nut 2, and the center position of the end face at one end of the support shaft 4 is connected with the straight-through type pressure injection oil cup 15 through a threaded hole (as shown in fig. 2, 6(a) and 6 (b)); the other roller bracket 3 is mounted at the middle position between the support shaft nut 2 and the support part of the support 5 in the same manner as described above, the other support shaft nut 2 is mounted at the other end of the support shaft 4, and a cotter pin 8 is mounted at the other end of the support shaft 4.
Idler wheels 10 are mounted between the two idler wheel supports 3, two idler wheels 10 are provided, as shown in fig. 9, the middle of each idler wheel is in a stepped hole form with counter bores at two ends and a unthreaded hole at the middle part, the large end face of the rim of each idler wheel 10 is opposite to the inner side face of one idler wheel support 3, a mounting gap is formed between the two faces, the end face of one side of the idler wheel 10 without the rim is opposite to the inner side face of the other idler wheel support 3, and a mounting gap is formed between the two faces; the other roller 10 is mounted in the middle of the two roller frames 3 in the same manner as described above (as shown in fig. 2).
The roller 10 is in clearance fit connection with a roller shaft sleeve 11 through an inner hole, the roller shaft sleeve 11 is provided with two groups, each group is provided with two oil grooves 24, as shown in fig. 7(a) and 7(b), the inner wall of the roller shaft sleeve hole 11 is provided with two oil grooves 24 which are in a certain length, opposite in position and parallel, one of the roller shaft sleeves 11 is embedded into a counter bore at one end of the rim of the roller 10 and is positioned by the flange of the roller shaft sleeve 11, the height of the flange of the roller shaft sleeve 11 is greater than the depth of the counter bore at the end face of the roller 10, and the large end face of the flange of the roller shaft sleeve 11 is positioned by the inner side face of; the other roller sleeve 11 of the group is embedded into a stepped hole at one end of the rim of the roller 10 in the same way, and is positioned by the flange of the roller sleeve 11. The other two roller bushings 11 are mounted in the stepped bores of the rollers 10 in the same manner as described above (see fig. 1).
One group of the roller shaft sleeves 11 are in clearance fit connection with two roller shafts 12 through inner holes, the number of the roller shafts 12 is two, as shown in fig. 8(a) and 8(b), the roller shaft 12 is a stepped shaft, the diameters of the two ends are the same, threads are processed on the two ends of the roller shaft 12, two pin holes 26 which are vertical to each other are respectively arranged on the two ends of the roller shaft 12, an axial oil hole 27 is formed in the center of one end of the roller shaft 12, the axial oil hole 27 is a stepped hole with a section of threaded hole and a section of unthreaded hole, the axial oil hole 27 and the radial oil hole 25 are perpendicular to each other, two ends of the roller shaft 12 respectively extend out through one base angle through hole 18 of the two roller brackets 3, the rest part of the middle section of one of the roller shafts 12, which is not matched with one of the roller shaft sleeves 11, is in clearance fit connection with one of the bottom corner part through holes 18 of the roller bracket 3; the other roller shaft 12 is installed in the other roller shaft sleeve 11 in the same manner as described above, two ends of the other roller shaft 12 respectively extend through the other bottom corner through hole 18 of the two roller brackets 3, and the remaining portion of the middle section of the other roller shaft 12, which is not matched with the other roller shaft sleeve 11, is in clearance fit connection with the other bottom corner through hole 17 of the roller bracket 3.
Two roller shaft nuts 13 are mounted at two ends of the roller shaft 12, two roller shaft nuts 13 are provided in each group, the roller shaft nuts 13 are of an outer hexagonal structure with flanges, open grooves 29 are provided at the radial positions of six edges of one non-flange end of each roller shaft nut 13 (as shown in fig. 12(a) and 12 (b)), one group of roller shaft nuts 13 are mounted at two ends of one roller shaft 12 through threaded connection, and the non-groove end is positioned by the shaft shoulder of the roller shaft 12; the other roller shaft nut 13 is arranged on the small-diameter sections at the two ends of the other roller shaft 12 in the same manner, the cotter pins 9 are arranged on the pin holes 26 at the two ends of the two roller shafts 12, and the two roller shafts 12 are connected with the straight-through type oil injection cup 15 through the threaded holes at the center position of the end face at the same end.
The roller bracket 3 installed on one side of the wheel rim is connected with the obstacle removing device 1 through the outer hexagon bolts 14 (as shown in fig. 2), as shown in fig. 11(a) and fig. 11(b), the obstacle removing device 1 is in an unequal angle steel structure form, and one side of a long edge is provided with a partial gap, so that the obstacle removing device is convenient for installing the roller shaft nut 13 on one side of the roller shaft, two through holes are processed on the remaining part of the obstacle removing device 1 without the gap, and the positions of the through holes correspond to the positions of a group of through holes 19 on the waist edge of one side of the roller bracket 3.
In the embodiment of the invention, the roller 10 bears the underwater motion platform and rolls along the track 32 to advance, the obstacle cleaner 1 cleans foreign matters on the track 32 in real time along the track 32 in the motion process of the underwater motion platform 31, lubricating grease is injected into oil holes in the roller shaft 12 and the support shaft 4 through the straight-through type pressure injection oil cup 15 in advance, and due to the special application of the device to the underwater environment, grease lubrication has the functions of lubrication, protection and sealing, and both the oil groove 24 in the roller shaft sleeve 11 and the oil groove 20 in the support shaft sleeve 7 can store the lubricating grease, so that the continuous lubrication of the roller shaft 12 and the support shaft 4 is ensured, and the motion of the motion platform 31 is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a gyro wheel device of platform moves under water which characterized in that: comprises a support, a support shaft, a roller shaft, a roller bracket and a barrier cleaner; the support is composed of a platform and a boss, and the boss is arranged below the middle part of the platform; mounting holes are formed in the two sides of the platform along the vertical direction; the middle part of the boss is provided with a through hole along the horizontal direction; the support shaft is of a stepped shaft structure consisting of small-diameter sections at two ends and a large-diameter section in the middle, the diameters of the small-diameter sections at the two ends of the support shaft are the same, and threads are machined on the surfaces of the small-diameter sections at the two ends of the support shaft; the center of the front end of the support shaft is provided with an axial oil hole, the axial oil hole starts from the center position of the end surface of the small-diameter section of the front end of the support shaft, and the tail end of the axial oil hole is stopped to the middle position of the axial length of the large-diameter section in the middle of the support shaft; the center of the large-diameter section in the middle of the support shaft is provided with a radial oil hole, the radial oil hole is perpendicular to the axial oil hole, one end of the radial oil hole is connected with the tail end of the axial oil hole, and the other end of the radial oil hole is communicated with the outside of the support shaft; two pin holes which are vertical to each other are respectively arranged on the small diameter sections at the two ends of the support shaft, and split pins are arranged in the pin holes; the two groups of roller wheel brackets are respectively arranged in front of and behind the support; the whole roller bracket is of an isosceles triangle structure, and three corners are subjected to circular arc smoothing treatment; through holes are formed in the inner side positions of three corners of the roller wheel bracket, and a group of obstacle cleaner mounting holes are formed in the inner side positions of the edges of two waist parts of the roller wheel bracket; the obstacle clearing device is arranged on the roller bracket in front of the support through the obstacle clearing device mounting hole; the support is connected with the two roller wheel brackets through a support shaft; the small diameter section at the front end of the support shaft penetrates through a through hole at the top angle of the roller support in front of the support and is in threaded connection with a support shaft nut, and an axial oil hole at the front end of the support shaft is connected with the straight-through type pressure injection oil cup; the middle large-diameter section of the support shaft is positioned in the through hole of the support boss, and a support shaft sleeve is sleeved outside the middle large-diameter section of the support shaft; the small diameter section at the rear end of the support shaft penetrates through a through hole at the vertex angle of the roller bracket at the rear part of the support and is connected with a support shaft nut through threads; the two rollers are respectively arranged between the bottoms of the left side and the right side of the two sets of roller brackets; the roller is in a single-side rim T-shaped stepped shaft form, a stepped through hole is formed in the center of the roller, and two end faces of the stepped through hole are counter bores; the large end surface of the roller wheel rim is opposite to the roller wheel bracket behind the support, and a gap is reserved between the large end surface of the roller wheel rim and the roller wheel bracket behind the support; the roller is arranged between the two groups of roller brackets through a roller shaft; the whole roller shaft has the same structure as the support shaft, the sizes of the small diameter sections at the front end and the rear end of the roller shaft are matched with the size of the through hole formed in the bottom angle of the roller bracket, and the size of the large diameter section in the middle of the roller shaft is matched with the size of the stepped through hole in the center of the roller; the small-diameter section at the front end of the roller shaft penetrates through a through hole at the bottom angle of the roller bracket in front of the support and is in threaded connection with a roller shaft nut, and an axial oil hole at the front end of the roller shaft is connected with a straight-through type pressure injection oil cup; the middle large-diameter section of the roller shaft is positioned in the stepped through hole of the roller, and a roller shaft sleeve is sleeved outside the middle large-diameter section of the roller shaft; the small diameter section at the rear end of the roller shaft penetrates through a through hole at the bottom angle of the roller bracket at the rear part of the support and is in threaded connection with a nut of the roller shaft.
2. The roller assembly of an underwater motion platform as claimed in claim 1, wherein: the support shaft nut is of an outer hexagonal structure, a threaded hole is formed in the middle of the support shaft nut, and through grooves are formed in the radial positions of six edges of the end face of the outer side of the support shaft nut; the roller shaft nut is of an outer hexagonal structure with a flange, a threaded hole is formed in the middle of the roller shaft nut, and through grooves are formed in the radial positions of six edges of one end, without the flange, of the roller shaft nut.
3. The roller assembly of an underwater motion platform as claimed in claim 1 or 2, wherein: the whole support shaft sleeve is of a hollow cylindrical structure, two oil grooves which are equal in length, opposite in position and parallel are formed in the middle of the inner wall of the support shaft sleeve, and the oil grooves do not penetrate through the inner wall of the whole support shaft sleeve; two groups of two roller shafts are sleeved, and each group comprises two roller shafts; the roller shaft sleeve is in a unilateral flange T-shaped stepped shaft form, two oil grooves which are equal in length, opposite in position and parallel are formed in the inner wall of the roller shaft sleeve, and the oil grooves start from the end surface of the non-flange side of the roller shaft sleeve and do not penetrate through the inner hole wall of the roller shaft sleeve; the flange of the roller shaft sleeve is embedded into a counter bore at one end of the rim of the roller, and the inner side surface of the flange of the roller shaft sleeve is attached to the bottom surface of the counter bore at the end surface of the rim of the roller.
4. The roller assembly of an underwater motion platform as claimed in claim 1 or 2, wherein: the obstacle clearance device is composed of two groups of non-equilateral angle steel structures which are perpendicular to each other, wherein one group of non-equilateral angle steel structures are provided with notches on one side of a long edge, and the non-equilateral angle steel structures with the notches I are arranged at the obstacle clearance device mounting holes of the roller support in front of the support.
5. The roller assembly of claim 3, wherein: the obstacle clearance device is composed of two groups of non-equilateral angle steel structures which are perpendicular to each other, wherein one group of non-equilateral angle steel structures are provided with notches on one side of a long edge, and the non-equilateral angle steel structures with the notches I are arranged at the obstacle clearance device mounting holes of the roller support in front of the support.
CN202011179009.5A 2020-10-29 2020-10-29 Roller device of underwater motion platform Active CN112339951B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112992427A (en) * 2021-03-02 2021-06-18 江苏亨通智能科技有限公司 Supporting mechanism for vertical cabling rotation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060070194A (en) * 2004-12-20 2006-06-23 (주)에리트퍼니처 Roller
JP2018003459A (en) * 2016-07-04 2018-01-11 東日本旅客鉄道株式会社 Towed type rail cleaning device
CN208885643U (en) * 2018-09-18 2019-05-21 安徽正元机械有限公司 A kind of submersible pump mobile device
CN210634734U (en) * 2019-09-11 2020-05-29 上海彩虹鱼海洋科技股份有限公司 Wheel set mechanism for guide rail

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060070194A (en) * 2004-12-20 2006-06-23 (주)에리트퍼니처 Roller
JP2018003459A (en) * 2016-07-04 2018-01-11 東日本旅客鉄道株式会社 Towed type rail cleaning device
CN208885643U (en) * 2018-09-18 2019-05-21 安徽正元机械有限公司 A kind of submersible pump mobile device
CN210634734U (en) * 2019-09-11 2020-05-29 上海彩虹鱼海洋科技股份有限公司 Wheel set mechanism for guide rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112992427A (en) * 2021-03-02 2021-06-18 江苏亨通智能科技有限公司 Supporting mechanism for vertical cabling rotation

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