CN114212157A

CN114212157A - Hollow rubber bearing wheel and amphibious ship track transmission device

Info

Publication number: CN114212157A
Application number: CN202111286276.7A
Authority: CN
Inventors: 曲振东
Original assignee: Jiangsu Hongchang High End Equipment Co ltd
Current assignee: Jiangsu Hongchang High End Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-22

Abstract

The invention discloses a hollow rubber bearing wheel and a crawler transmission device of an amphibious ship, aiming at solving the technical problem that the speed of the amphibious ship bearing wheel is influenced by a heavy weight in the prior art. The hollow rubber bearing wheel comprises a wheel shell, a rubber tire and a bearing seat, wherein the wheel shell is made of a steel plate through stamping, and the cross section of the wheel shell is U-shaped; a herringbone-tooth-shaped concave-convex structure is arranged on the tread of the rubber tire; the bearing seat is arranged at the center of the wheel shell, and the outer wall of the bearing seat is connected with the side surface of the wheel shell by adopting a welding process; a hollow cavity is formed between the wheel shell and the bearing seat, and foam plastic is filled in the cavity. The amphibious ship track transmission device comprises the bearing wheel. The wheel shell which is punched by the high-strength steel plate and used for supporting the rubber tire is of an internal hollow structure, so that the weight of the bearing wheel is reduced, and the bearing performance of the bearing wheel is kept; the hollow area is filled with the foamed plastic, so that the bearing wheels are prevented from becoming heavy due to water inflow, and the navigation speed of the amphibious ship in water is ensured.

Description

Hollow rubber bearing wheel and amphibious ship track transmission device

Technical Field

The invention relates to an amphibious ship, in particular to a bearing wheel of the amphibious ship.

Background

The solid rubber bearing wheel structure is used for the amphibious ship with the crawler transmission, the weight of the solid rubber bearing wheel is large, the main scale of the ship body needs to be correspondingly enlarged in order to ensure the buoyancy of the amphibious ship when the ship body is designed, so that the total mass of the amphibious ship is increased, and the navigational speed, the land traveling speed and the loading capacity of the amphibious ship with the same power are reduced.

Disclosure of Invention

The invention aims to provide a bearing wheel which has high bearing capacity and light weight.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the hollow rubber bearing wheel comprises a wheel shell, rubber tires and a bearing seat, wherein the wheel shell is made of a steel plate through stamping, the cross section of the wheel shell is U-shaped, two side faces of the wheel shell, close to the top face of a ring, are respectively provided with a circle of groove, and the side part of the rubber tire coated outside the wheel shell is embedded in the grooves; a herringbone-tooth-shaped concave-convex structure is arranged on the tread of the rubber tire; the bearing seat is arranged at the center of the wheel shell, and the outer wall of the bearing seat is connected with the side surface of the wheel shell by adopting a welding process; a hollow cavity is formed between the wheel shell and the bearing seat, and foam plastic is filled in the cavity.

In order to solve the technical problem, the invention adopts another technical scheme that:

the amphibious ship track transmission device comprises a Z-shaped cantilever, a sleeve and a hollow rubber bearing wheel, wherein the cantilever is composed of a transmission shaft, a crank and a connecting shaft, two ends of the crank are fixedly connected with the transmission shaft and the connecting shaft respectively, one end of the transmission shaft is inserted into the bearing block, and the connecting shaft is inserted into the sleeve fixed on a ship body; the transmission shaft extends to the outside of ball bearing, and installs through the bolt and is located the outside clamp plate of ball bearing.

Compared with the prior art, the beneficial effect who has is:

1. the wheel shell for supporting the rubber tire is manufactured by stamping a high-strength steel plate, so that the bearing wheel is changed into a hollow structure, the weight of the bearing wheel is reduced, and the bearing performance of the bearing wheel is kept;

2. the hollow area is filled with the foamed plastic, so that water can be prevented from pouring into the hollow area when the amphibious ship sails in water, the bearing wheels are prevented from becoming heavy due to water inflow, and the sailing speed of the amphibious ship in water is guaranteed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a cross-sectional view of a hollow rubber load-bearing wheel;

FIG. 2 is a cross-sectional view of the wheel housing;

FIG. 3 is a side view of the load bearing wheel;

FIG. 4 is a partial schematic view of a track drive.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

Examples

The hollow rubber bearing wheel shown in fig. 1 comprises a wheel shell 10, a rubber tire 20 and a bearing seat 30, wherein a herringbone-tooth-shaped concave-convex structure is arranged on the tread of the rubber tire 20 and is directly contacted with a track plate, so that the effects of shock resistance, skid resistance and wear resistance are achieved. Referring to fig. 2, the wheel shell is made of a high-strength steel plate through stamping, the cross section of the wheel shell is U-shaped, two side surfaces 11 of the wheel shell are respectively provided with a circle of groove 13 near a ring top surface 12, and the side part of a rubber tire 20 coated outside the wheel shell 10 is embedded in the grooves. Referring to fig. 3, the wheel housing 10 is provided with reinforcing ribs 14 on both sides thereof to increase the strength of the wheel housing 10. The bearing seat is arranged at the center of the wheel shell, and the outer wall of the bearing seat is connected with the side surface of the wheel shell by adopting a welding process; a hollow cavity is formed between the wheel shell and the bearing seat, and foam plastic 40 is filled in the cavity, so that water is prevented from filling into the hollow area when the amphibious ship sails in water, the bearing wheel is prevented from becoming heavy due to water inlet, and the sailing speed of the amphibious ship in water is guaranteed.

As shown in fig. 4, the amphibious ship track transmission device comprises a Z-shaped cantilever 50, a sleeve 60 and a hollow rubber bearing wheel, wherein the cantilever is composed of a transmission shaft 51, a crank 52 and a connecting shaft 53, two ends of the crank are fixedly connected with the transmission shaft and the connecting shaft respectively, one end of the transmission shaft is inserted into a bearing seat 30, and the connecting shaft is inserted into the sleeve 60 fixed on a ship body and can freely rotate with the cantilever sleeve. A sealing ring 70 is arranged between the sleeve and the connecting shaft. The transmission shaft extends to the outside of the ball bearing, and is provided with a pressing plate 80 positioned outside the ball bearing through a bolt, and the bearing wheel and the transmission shaft cannot move on the axis, so that the positioning precision between the transmission shaft and the bearing wheel is ensured.

The connecting shaft is provided with a positioning lug 531, the hull is provided with a positioning groove 90, and the positioning lug is clamped in the positioning groove, so that the rubber bearing wheel in the whole crawler traveling device moves at the same position when in operation.

Referring to fig. 1, a first detachable sealing cover 101 is disposed on one side of a wheel housing 10, a second detachable sealing cover 102 is disposed on the other side of the wheel housing, a through hole for a transmission shaft to pass through is disposed in the second sealing cover, and a double-layer sealing ring 110 is disposed at a position corresponding to the through hole on the inner side of the second sealing cover. The sealed lid of wheel shell 10 both sides is sealed completely bearing wheel inner space, can avoid the inside intake of bearing wheel, can prevent on the one hand that the bearing wheel becomes heavy in aqueous influence navigational speed, and on the other hand can avoid the lubricating oil in the bearing wheel to reveal to aquatic, protection water environment.

The connecting shaft is internally provided with internal spline teeth, the connecting shaft is internally provided with a torsion bar 120, the spline teeth at one end of the torsion bar are arranged in the internal spline teeth of the connecting shaft, and the spline teeth at the other end of the torsion bar are arranged in the internal spline teeth of the gear sleeve on the side surface of the ship body. One end of the torsion bar is fixedly provided with a first pressing plate 130 which is positioned in the clamping groove of the connecting shaft. When the amphibious ship walks on land, the crawler belt walks on an uneven road surface, and when the bearing wheels move up and down, the torsion bars generate elastic torsion to eliminate rigid vibration, so that the amphibious vehicle is stably transported, and the noise is reduced.

The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.

Claims

1. Hollow rubber bearing wheel, its characterized in that: the wheel shell is made of a steel plate through stamping, the cross section of the wheel shell is U-shaped, a circle of groove is respectively formed in two side faces of the wheel shell close to the top face of a ring, and the side portion of the rubber tire coated outside the wheel shell is embedded in the groove; a herringbone-tooth-shaped concave-convex structure is arranged on the tread of the rubber tire; the bearing seat is arranged at the center of the wheel shell, and the outer wall of the bearing seat is connected with the side surface of the wheel shell by adopting a welding process; a hollow cavity is formed between the wheel shell and the bearing seat, and foam plastic is filled in the cavity.

2. The hollow rubber load-bearing wheel of claim 1, wherein: one side of the wheel shell is provided with a first detachable sealing cover, the other side of the wheel shell is provided with a second detachable sealing cover, and a through hole for allowing the transmission shaft to penetrate is formed in the second sealing cover.

3. The hollow rubber load-bearing wheel of claim 2, wherein: and a double-layer sealing ring is arranged on the inner side of the second sealing cover corresponding to the through hole.

4. The hollow rubber load-bearing wheel of claim 1, wherein: and reinforcing ribs are arranged on two side surfaces of the wheel shell.

5. Amphibious ship track transmission, its characterized in that: the suspension arm comprises a Z-shaped suspension arm, a sleeve and the hollow rubber bearing wheel as in claim 1, wherein the suspension arm is composed of a transmission shaft, a crank and a connecting shaft, two ends of the crank are fixedly connected with the transmission shaft and the connecting shaft respectively, one end of the transmission shaft is inserted into the bearing seat, and the connecting shaft is inserted into the sleeve fixed on the ship body; the transmission shaft extends to the outside of ball bearing, and installs through the bolt and is located the outside clamp plate of ball bearing.

6. An amphibious vessel track drive as claimed in claim 5, characterised in that: the connecting shaft is provided with a positioning lug block, the ship body is provided with a positioning groove, and the positioning lug block is clamped in the positioning groove.

7. An amphibious vessel track drive as claimed in claim 5, characterised in that: the connecting shaft is internally provided with internal spline teeth, the connecting shaft is internally provided with a torsion bar, the spline teeth at one end of the torsion bar are arranged in the internal spline teeth of the connecting shaft, and the spline teeth at the other end of the torsion bar are arranged in the internal spline teeth of the gear sleeve on the side surface of the ship body.

8. An amphibious vessel track drive as claimed in claim 7, characterised in that: one end of the torsion bar is fixedly provided with a first pressing plate, and the first pressing plate is positioned in the clamping groove of the connecting shaft.

9. An amphibious vessel track drive as claimed in claim 5, characterised in that: and a sealing ring is arranged between the sleeve and the connecting shaft.