CN218367237U

CN218367237U - Split type insulating wheel and have track flatcar of this insulating wheel

Info

Publication number: CN218367237U
Application number: CN202222418944.3U
Authority: CN
Inventors: 程勇军; 赵友势; 谭嘉铭
Original assignee: Keda Industrial Group Co Ltd
Current assignee: Keda Industrial Group Co Ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-24
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a split type insulating wheel and have track flatcar of this insulating wheel, belong to the rail transport equipment field, including the wheel outer lane, wheel core and insulating part, be equipped with the step on the inner wall of wheel outer lane, the step cooperation of wheel core and wheel outer lane, the insulating part sets up between wheel outer lane and wheel core, the insulating part includes that interior insulating ring and outer insulating ring intra-annular insulating ring set up the upper end at the step, outer insulating ring sets up the lower extreme at the step, be equipped with segmented insulating part on this split type insulating wheel, insulating part and wheel inner circle and wheel core interference fit respectively, intermediate ring and interior insulating ring and outer insulating ring conflict on the insulating part, the gap that produces when being used for compensating the insulating part pressurized, when the insulating part needs to be changed simultaneously, can change different positions according to the difference of damage position and practice thrift the cost and reduce the step of changing the maintenance.

Description

Split type insulating wheel and have track flatcar of this insulating wheel

Technical Field

The utility model relates to a rail transport equipment field, concretely relates to split type insulating wheel and have rail flat car of this insulating wheel.

Background

At present RGV is the first-selected instrument of workshop transportation heavy object, its power mode pluralism, including low pressure track power supply type or wiping line power supply, low pressure track power supply is with receiving power supply on two tracks after alternating voltage step-down to 36V, brush passes electric energy transfer to drive arrangement on the automobile body, RGV can obtain the electric flux on the guide rail along the way, the automobile body need not install power supply unit, RGV generally carries out the heavy load transportation, so the wheel that RGV used is mostly cast steel wheel, RGV's wheel needs insulating, prevent that the direct circulation of electric current on the track is to the automobile body, and lead to other equipment short circuits. The existing cast steel wheel is divided into an inner metal ring and an outer metal ring, the vacancy of the two metal rings is filled in the middle in an injection molding mode, so that the purpose of insulating the inner ring and the outer ring is achieved, plastic needs to be cooled at normal temperature after injection, the plastic is easy to be degummed with the inner ring and the outer ring, thin-wall plastic is connected with the inner ring and the outer ring, the thin-wall plastic is easy to damage after long-term use under large load, and the use and maintenance cost is high.

Prior publication No. CN113954574a discloses an insulated wheel comprising: the wheel body, the wheel core, locating part, insulating part and mounting, wheel body and the coaxial setting of wheel core and wheel body suit in the periphery of wheel core, the insulating part sets up between wheel body and wheel core, the mounting sets up between insulating part and wheel body, the locating part sets up in the terminal surface of wheel body to restrict the mounting axial motion jointly with the wheel body, the insulating layer of this insulating wheel is limited at the load that the wheel bore, and easy wearing and tearing, difficult change.

SUMMERY OF THE UTILITY MODEL

One of the objects of the present invention is to provide a split type insulation wheel, which solves the problems of limited load, easy abrasion and difficult replacement of the insulation wheel.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a split type insulating wheel, includes wheel outer lane, wheel core and insulating part, insulating part detachably connects on the wheel outer lane, wheel core detachably connects on the insulating part, the insulating part sets up the wheel outer lane with between the wheel core, still including setting up shoulder hole on the wheel outer lane inner wall is in with the setting step on the wheel core outer wall, the shoulder hole with the wheel outer lane is coaxial, the step with the shoulder hole cooperation will the insulating part is cliied, the insulating part includes interior insulating ring and outer insulating ring, interior insulating ring sets up in the great part in shoulder hole cross-section, outer insulating ring sets up in the less part in shoulder hole cross-section, improve the stability in insulation of split type insulating wheel and the convenience of changing the dismouting.

The insulating part still includes the intermediate ring, the intermediate ring sets up interior insulating ring with between the outer insulating ring, the intermediate ring respectively with interior insulating ring with the outer insulating ring is contradicted, is used for preventing insulating outer lane with the wheel core contact improves insulating ability.

The inner insulating ring and the outer insulating ring are arranged in an L-shaped rotary section and used for respectively bearing and filling a gap between the outer ring of the wheel and the wheel core, so that the installation is convenient, and the gap between the outer ring of the wheel and the wheel core can be compensated.

The rotary sections of the inner insulating ring and the outer insulating ring are arranged to be continuous L-shaped and used for filling a gap generated in the running process of the outer ring of the wheel and the wheel core, so that the outer ring of the wheel and the wheel core are combined more tightly, and the service life of the insulating part is prolonged.

The middle ring is perpendicular to the axis of the wheel outer ring, and installation deviation of the insulating part is compensated.

The wheel core is integrally connected with the wheel outer ring, the insulating piece and the wheel core, the insulating pad is sleeved on the fastener, the fastener is isolated from the split type insulating wheel, and the insulating reliability of the insulating wheel is improved.

The wheel core further comprises a plurality of threaded holes, the threaded holes are evenly distributed around the axis of the wheel core, the wheel outer ring further comprises a plurality of countersunk holes, the countersunk holes are evenly distributed around the axis of the wheel outer ring, the threaded holes correspond to the countersunk holes in a one-to-one mode, the fasteners penetrate through the countersunk holes to connect the insulation part, the wheel core and the wheel outer ring into a whole, and the split type insulation wheel is convenient to disassemble and maintain.

The insulating pad comprises a gasket and a ferrule, the gasket is arranged on the end face of the counter bore, and the ferrule is sleeved on the wall of the counter bore, so that the insulating pad is convenient to replace and low in use cost.

The insulating part is made of POM or nylon, so that the insulating part is low in use cost, high in strength and easy to manufacture.

The second purpose of the utility model is to provide a rail flat car, the load that the insulating wheel of having solved rail flat car bore is limited, easy wearing and tearing, the difficult problem of changing.

the utility model provides a split type insulating wheel, includes split type insulating wheel and shaft, the both ends of shaft all install split type insulating wheel.

The utility model has the advantages that:

(1) Be equipped with sectional insulator on this split type insulating wheel, insulator and wheel inner circle and wheel core interference fit respectively, intermediate ring on the insulator contradicts with interior insulator ring and outer insulator ring for the gap that the compensation insulator produced when the pressurized, when the insulator need be changed simultaneously, can change different positions according to the difference of damage position and practice thrift the cost and reduce the step of changing the maintenance, improved the insulating ability of this insulating wheel and the convenience of maintaining.

(2) The split type insulating wheel is arranged on the rail flat car, so that the car body can be insulated from the rail when power is taken from the rail, a large load can be borne, the replacement and maintenance are convenient, and the use cost is low.

Drawings

Fig. 1 is a front view of a split type insulation wheel provided by the present invention;

fig. 2 is a back view of the split type insulation wheel provided by the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a cross-sectional view of the rail flat car provided by the present invention;

fig. 5 is a schematic structural diagram provided in the second embodiment.

Reference numerals:

1. a wheel outer race; 11. a rim; 12. countersinking; 13. a rim; 2. a wheel core; 21. a threaded hole; 22. a shaft hole; 3. an insulating member; 31. an inner insulating ring; 32. an outer insulating ring; 33. an intermediate ring; 4. a fastener; 5. an insulating pad; 51. a gasket; 52. a ferrule; 6. a wheel axle; 7. a track.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given in the application without any inventive step, are within the scope of the present invention.

Example one

As shown in fig. 1 to 3, a split type insulation wheel includes a wheel outer ring 1, a wheel core 2 and an insulator 3, the insulator 3 is detachably connected to the wheel outer ring 1, the wheel core 2 is detachably connected to the insulator 3, the insulator 3 is disposed between the wheel outer ring 1 and the wheel core 2, the wheel outer ring further includes a stepped hole disposed on an inner wall of the wheel outer ring 1 and a step disposed on an outer wall of the wheel core 2, the stepped hole is coaxial with the wheel outer ring 1, the step is engaged with the stepped hole to clamp the insulator 3, the insulator 3 includes an inner insulation ring 31 and an outer insulation ring 32, the inner insulation ring 31 is disposed in a portion having a larger cross section of the stepped hole, the outer insulation ring 32 is disposed in a portion having a smaller cross section of the stepped hole, the insulator 3 divided into a plurality of segments is used, and the inner insulation ring 31 and the outer insulation ring 32 share a load from the wheel outer ring 1, so as to compensate for a deviation generated when the insulator 3 is mounted, thereby increasing a service life of the insulator 3, and further, when the insulator 3 is compressed, a space is left for slight deformation, and preventing the insulator 3 from being locally concentrated and damaged.

Wheel outer lane 1 includes wheel rim 11, counter sink 12 and rim 13, and rim 13 sets up on the lateral wall of wheel rim 11 for the direction when track 7 moves, and counter sink 12 sets up on the terminal surface of keeping away from rim 13 of wheel rim 11, makes things convenient for this split type insulating wheel to carry out dismouting and change, and the great one end in the shoulder hole cross-section on the car outer lane 1 is towards the automobile body of track flatcar, and the one end in less cross-section is outside the automobile body.

Further, the insulator 3 further comprises an intermediate ring 33, the intermediate ring 33 is arranged between the inner insulating ring 31 and the outer insulating ring 32, the intermediate ring 33 is abutted against the inner insulating ring 31 and the outer insulating ring 33 respectively, the intermediate ring 33 is used for filling a space between the inner insulating ring 31 and the outer insulating ring 32 and does not bear loads of the wheel outer ring 1 and the wheel core 2, and the intermediate ring 33 is provided with a plurality of through holes for the fasteners 4 to pass through, so that the wheel core 2 and the wheel outer ring 1 can be prevented from being in direct contact in the use process of the insulator 3, and the insulating performance is improved.

Preferably, the scanning cross sections of the inner insulating ring 31 and the outer insulating ring 32 are arranged to be L-shaped, so that the inner insulating ring is conveniently installed in an insulating wheel, is not easy to loosen and shift, and ensures the reliability of insulation.

Preferably, the intermediate ring 33 is perpendicular to the axis of the wheel outer ring 1 for improving the service life and the insulating ability of the insulator 3.

Preferably, still include fastener 4 and insulating pad 5, fastener 4 passes wheel outer lane 1's lateral wall and links into an integrated entity with wheel outer lane 1, insulating part 3 and wheel core 2, and insulating pad 5 covers is established on fastener 4, keeps apart fastener 4 and split type insulating wheel, makes things convenient for the insulating wheel to change insulating part 3.

Preferably, the wheel core 2 still includes a plurality of screw holes 21, and a plurality of screw holes 21 are evenly arranged around the axis of wheel core 2, and wheel outer lane 1 still includes a plurality of counter sink 12, and counter sink 12 is evenly arranged around the axis of wheel outer lane 1, and screw hole 21 and counter sink 12 one-to-one, fastener 4 pass counter sink 12 and link into an organic whole with insulating part 3, wheel core 2 and wheel outer lane 1, prevent that fastener 4 from communicating wheel outer lane 1 and wheel core 2, improve insulating stability.

Preferably, the insulating pad 5 includes a washer 51 and a ferrule 52, the washer 51 is disposed on an end face of the counterbore 12, the ferrule 52 is sleeved on a wall of the counterbore 12, the washer 51 is a metal member, the ferrule 52 is made of a high-strength insulating material, the ferrule 52 is in interference fit in a through hole of the counterbore 12, and two ends of the ferrule 52 respectively abut against the washer 51 and the intermediate ring 33, so that the ferrule is completely positioned in the counterbore 12, and it is ensured that the opposite faces of the wheel outer ring 1 and the wheel core 2 cannot contact.

The split type insulation wheel is used as follows:

when the split type insulating wheel on the railway flat car needs to be replaced, the wheel shaft 6 is jacked up by a tool, the fastener 4 is sequentially removed by a wrench, the insulating pad 5 and the fastener 4 are taken out and left for use, the edge part of the wheel outer ring 1 is knocked from the inner side by a hammer along the axial direction of the wheel shaft 6, the wheel outer ring 1 is separated from the wheel core 2, the damaged insulating pieces 3 on the wheel outer ring 1 and the wheel core 2 are removed, a new insulating piece 3 is taken and pressed into the inner wall of the wheel outer ring 1 or the outer wall of the wheel core 2, whether the edge of the insulating piece 3 is aligned with the end surface of the wheel outer ring 1 or the end surface of the wheel core 2 is checked, the wheel outer ring 1 with the insulating piece 3 mounted is pressed into the wheel core 2, the threaded hole 21 is aligned with the countersunk hole 12, the fastener 4 is sequentially screwed, and the rest of the split type insulating wheels are operated, so that the insulating wheel maintenance of the railway flat car can be completed.

As shown in fig. 4, a flat rail car comprises a split type insulating wheel and a wheel shaft 6, the split type insulating wheel is mounted at two ends of the wheel shaft 6, the wheel shaft 6 is inserted into a shaft hole 22 of a wheel core 2, the split type insulating wheel is in continuous contact with a rail 7, loads on the flat rail car are borne, and electric energy on the rail 7 can be transmitted to a driving device through the rail 7 and a wheel outer ring 1, so that an energy supply device is not required to be mounted during operation of the flat rail car, the existing structure is fully utilized, and the structure of a car body is simplified.

Example two

As shown in fig. 5, the same features are not described again with reference to the embodiment, but the differences are: interior insulating ring 31 and outer insulating ring 32 gyration cross-section set continuous "L" shape, continuous ladder use on its cooperation wheel outer lane 1's continuous shoulder hole and the wheel core 2, improve the degree of hugging closely of insulating part 3 and wheel outer lane 1 and wheel core 2 through continuous turning, the contact surface that falls into the multistage can share the pressure that comes from wheel outer lane 1 better, improve the life of insulating part 3, only need change the part of damage during the change and need not whole the changing of tearing open, use cost is reduced.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention are also intended to fall within the scope of the appended claims. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A split type insulating wheel which characterized in that: including wheel outer lane (1), wheel core (2) and insulating part (3), insulating part (3) detachably connects on the wheel outer lane (1), wheel core (2) detachably connects on insulating part (3), insulating part (3) set up wheel outer lane (1) with between wheel core (2), still including setting up shoulder hole and the setting on wheel outer lane (1) inner wall are in step on the wheel core (2) outer wall, the shoulder hole with wheel outer lane (1) is coaxial, the step with the shoulder hole cooperation will insulating part (3) are carried, insulating part (3) include interior insulating ring (31) and outer insulating ring (32), interior insulating ring (31) set up in the great part of shoulder hole cross-section, outer insulating ring (32) set up in the less part of shoulder hole cross-section.

2. The split-type insulation wheel of claim 1, wherein:

the insulating part (3) further comprises an intermediate ring (33), the intermediate ring (33) is arranged between the inner insulating ring (31) and the outer insulating ring (32), and the intermediate ring (33) is abutted against the inner insulating ring (31) and the outer insulating ring (32) respectively.

3. The split-type insulation wheel of claim 2, wherein:

the rotary sections of the inner insulating ring (31) and the outer insulating ring (32) are arranged to be L-shaped and used for respectively bearing and filling gaps at the wheel outer ring (1) and the wheel core (2).

4. The split-type insulation wheel of claim 2, wherein:

the revolution sections of the inner insulating ring (31) and the outer insulating ring (32) are arranged to be continuous in an L shape, and the revolution sections are used for compensating the clearance generated in the running process at the wheel outer ring (1) and the wheel core (2).

5. The split type insulation wheel of any one of claims 3 or 4, wherein:

the intermediate ring (33) is perpendicular to the axis of the wheel outer ring (1).

6. The split type insulation wheel of claim 5, wherein:

still include fastener (4) and insulating pad (5), fastener (4) pass the lateral wall that states wheel outer lane (1) will wheel outer lane (1), insulating part (3) with wheel core (2) link into an integrated entity, insulating pad (5) cover is established on fastener (4), will fastener (4) with split type insulating wheel keeps apart.

7. The split-type insulation wheel of claim 6, wherein:

the wheel core (2) further comprises a plurality of threaded holes (21), the threaded holes (21) are wound around the axis of the wheel core (2) and are evenly distributed, the wheel outer ring (1) further comprises a plurality of counter bores (12), the counter bores (12) are wound around the axis of the wheel outer ring (1) and are evenly distributed, the threaded holes (21) correspond to the counter bores (12) in a one-to-one mode, and the fasteners (4) penetrate through the counter bores (12) to connect the insulating part (3), the wheel core (2) and the wheel outer ring (1) into a whole.

8. The split-type insulation wheel of claim 7, wherein:

the insulating pad (5) comprises a gasket (51) and a ferrule (52), the gasket (51) is arranged on the end face of the counter bore (12), and the ferrule (52) is sleeved on the wall of the counter bore (12).

9. The split-type insulation wheel of claim 1, wherein:

the insulating part (3) is made of POM or nylon.

10. A rail flatcar which characterized in that: comprising a split insulating wheel according to any of claims 1-9 and a wheel shaft (6), said split insulating wheel being mounted at both ends of said wheel shaft (6).