CN211995902U

CN211995902U - Overhead spare tire carrier of cross-country vehicle

Info

Publication number: CN211995902U
Application number: CN202020509694.2U
Authority: CN
Inventors: 刘清; 方鹏; 王龙; 曹宇
Original assignee: Dongfeng Off Road Vehicle Co Ltd
Current assignee: Dongfeng Off Road Vehicle Co Ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-24
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an overhead spare tire carrier of a cross-country vehicle, which comprises a fixed bracket, a bracket arranged on the upper surface of the fixed bracket through bolts and a spare tire lifting device arranged on the side part of the upper surface of the fixed bracket; the bracket is connected with the spare tire through a bolt, and the side edges of the fixed support are arranged on the flanges on two sides of the top of the cab. The fixed bolster passes through the supporting shoe and the bolt tightening is fixed at the automobile body top, and spare tyre passes through for the bracket bolt fastening with the fixed bolster, neither increases whole car width and length, does not influence whole car trafficability characteristic yet, has also practiced thrift car internal layout space simultaneously.

Description

Overhead spare tire carrier of cross-country vehicle

Technical Field

The utility model relates to an automobile parts technical field, concretely relates to cross country vehicle overhead spare tyre rack.

Background

Military off-road vehicles generally are designed with spare tire carriers, which are mostly arranged at the rear due to space arrangement and trafficability requirements. The Chinese utility model patent (No. CN207360238U, No. 2018.5.15) discloses an automobile rolling-proof frame with a spare tire carrier and a luggage frame, which comprises a rolling-proof frame body, wherein the rolling-proof frame body consists of a support frame connected with the top of an automobile carriage, the luggage frame fixedly connected with the support frame and the spare tire carrier movably connected with the support frame; the support frames are vertically fixed on two sides of the luggage frame, the bottoms of the support frames are connected to the top of the automobile carriage through support bases, and the luggage frame is connected with the spare tire rack through a cross rod; the luggage frames are fixedly welded on the same plane of the cross rods; and the presentation structure of the luggage frame is parallel to the roof of the automobile. The rolling prevention frame with the spare tire rack and the luggage rack is difficult to lift the spare tire of the off-road vehicle to fix the vehicle roof or remove the vehicle roof to take down, and is inconvenient to disassemble and assemble.

Disclosure of Invention

The utility model aims at providing a defect to prior art, provide one kind and satisfy whole requirement of vehicle spatial arrangement, overhead spare tyre and do not increase whole car width and length and do not influence the cross-country car overhead spare tyre rack of whole car trafficability characteristic, simple structure is reliable, it is convenient to dismantle.

In order to achieve the purpose, the utility model relates to a cross-country vehicle top-mounted spare tire carrier, which comprises a fixed bracket, a bracket arranged on the upper surface of the fixed bracket through a bolt and a spare tire lifting device arranged on the side part of the upper surface of the fixed bracket; the bracket is connected with the spare tire through a bolt, and the side edges of the fixed support are arranged on the flanges on two sides of the top of the cab.

Furthermore, the fixed support comprises a fixed flat plate and U-shaped supporting rods symmetrically arranged on two sides of the fixed flat plate, and two ends of each U-shaped supporting rod are respectively fixed on flanges on two sides of the top of the cab through bolts.

Furthermore, at least two supporting blocks are uniformly distributed on the cross rod of each U-shaped supporting rod at intervals, the supporting blocks on the two U-shaped supporting rods are symmetrical parts one by one, and meanwhile, all the supporting blocks are installed on the cross rod of the U-shaped supporting rod through bolts, and the bottoms of all the supporting blocks are abutted to the top of the cab.

Further, spare tyre elevating gear includes on the gallows, with the articulated fixing base of gallows bottom, through slotted nut and the lower bearing base of fixing base assembly, install the capstan winch unable adjustment base at the gallows middle part and install the leading sheave at the gallows tip to and install capstan winch and ratchet pawl on capstan winch unable adjustment base, wire rope's one end and capstan winch are connected, the other end stretches out from the tip of gallows through leading sheave, the wire rope other end is installed and is caught on the lifting hook of spare tyre.

Further, a thrust ball bearing is lined between the lower bearing base and the fixed seat.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a fixed bolster of spare tyre rack passes through the supporting shoe and the bolt tightening is fixed at the automobile body top, and spare tyre passes through for the bracket bolt fastening with the fixed bolster, neither increases whole car width and length, does not influence whole car trafficability characteristic yet, has also practiced thrift the car inside simultaneously and has arranged the space.

Drawings

FIG. 1 is a schematic structural view of an overhead spare tire carrier of a cross-country vehicle according to the present invention;

FIG. 2 is a schematic structural view of the spare tire lifting device shown in FIG. 1;

fig. 3 is a cross-sectional view of the lower portion of fig. 2.

Wherein: the device comprises a fixed support 1, a spare tire lifting device 2, a bracket 3, a spare tire 4, a cab top 5, a flanging 6, a fixed flat plate 7, a U-shaped supporting rod 8, a supporting block 9, a lifting frame 10, a fixed seat 11, a lower bearing base 12, a slotted nut 13, a winch fixed base 14, a guide pulley 15, a winch 16, a lifting hook 17, a steel wire rope 18, a bolt 19 and a thrust ball bearing 20.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1, the overhead spare tire carrier for a cross-country vehicle comprises a fixed bracket 1, a bracket 3 mounted on the upper surface of the fixed bracket 1, and a spare tire lifting device 2 mounted on the side of the upper surface of the fixed bracket 1. The fixed support 1 comprises a fixed flat plate frame 7 and U-shaped support rods 8 symmetrically arranged on two sides of the fixed flat plate frame 7, and two ends of each U-shaped support rod 8 are respectively fixed on flanges 6 on two sides of the top 5 of the cab through bolts; in addition, evenly distributed at intervals has two at least supporting shoes 9 on the horizontal pole of every U type bracing piece 8, and the supporting shoe 9 on two U type bracing pieces 8 is the one-to-one symmetry part, and simultaneously, all supporting shoes 9 all install on the horizontal pole of U type bracing piece 8 through the bolt and the bottom of all supporting shoes 9 supports at driver's cabin top 5, play the effect that the stress surface that increases whole spare tyre carrier reduces local stress, increase the reliability of mechanism.

As shown in fig. 2 and 3, the spare tire lifting device 2 includes a lifting frame 10, a fixing base 11 hinged to the bottom of the lifting frame 10, a lower bearing base 12 assembled with the fixing base 11 through a slotted nut 13, a winch fixing base 14 installed in the middle of the lifting frame 10, a guide pulley 15 installed at the end of the lifting frame 10, a winch 16 and a ratchet pawl installed on the winch fixing base 14, one end of a steel wire rope 18 is connected with the winch 16, the other end of the steel wire rope extends out of the end of the lifting frame 10 through the guide pulley 15, a hook 17 hooking the spare tire 4 is installed at the other end of the steel wire rope 18, and the crank is operated to wind and release the steel wire rope 18 to lift the spare tire. In addition, a thrust ball bearing 20 is lined between the lower bearing base 12 and the fixed seat 11, so that the fixed seat 11 drives the lifting frame 10 to horizontally rotate in the lower bearing base 12.

In this embodiment, the lifting frame 10 is hinged to the two mounting seats of the fixing seat 11, the hinge shaft on one side is the latch 19, and after the lifting of the spare tire 4 is completed, the latch 19 is pulled out, so that the lifting frame can be folded and recovered.

When the spare tire is fixed, the spare tire is fixed on the bracket through the bolt, the lifting frame is rotated to the outer side of the vehicle body when the spare tire is hoisted, the lifting hook is put down, the hook hole of the bracket is hooked, the spare tire is hoisted to the height of the vehicle roof, the spare tire is transferred to the position right above the vehicle roof through the rotating lifting frame, the bracket is installed on the fixed support through the bolt, the lifting hook is taken out, the steel wire rope is recycled, the bolt is extracted, the lifting frame is folded and recycled, and otherwise, the landing of the spare.

Claims

1. The utility model provides a cross country vehicle top-mounted spare tyre rack which characterized in that: the device comprises a fixed support (1), a bracket (3) arranged on the upper surface of the fixed support (1) through a bolt, and a spare tire lifting device (2) arranged on the side part of the upper surface of the fixed support (1); the bracket (3) is connected with the spare tire (4) through bolts, and the side edges of the fixed support (1) are arranged on flanges (6) on two sides of the top (5) of the cab.

2. The off-road vehicle overhead spare tire carrier of claim 1, wherein: the fixed support (1) comprises a fixed flat plate frame (7) and U-shaped supporting rods (8) symmetrically arranged on two sides of the fixed flat plate frame (7), and two ends of each U-shaped supporting rod (8) are fixed on flanges (6) on two sides of the cab top (5) through bolts respectively.

3. The off-road vehicle overhead spare tire carrier of claim 2, wherein: every the even distribution of interval has two at least supporting shoes (9) on the horizontal pole of U type bracing piece (8), and supporting shoe (9) on two U type bracing pieces (8) are the one-to-one symmetry part, and all supporting shoes (9) are all installed on the horizontal pole of U type bracing piece (8) through the bolt and the bottom of all supporting shoes (9) supports at driver's cabin top (5).

4. The off-road vehicle overhead spare tire carrier of claim 1, wherein: the spare tire lifting device (2) comprises a lifting frame (10), a fixed seat (11) hinged to the bottom of the lifting frame (10), a lower bearing base (12) assembled with the fixed seat (11) through a slotted nut (13), a winch fixed base (14) installed in the middle of the lifting frame (10) and a guide pulley (15) installed at the end of the lifting frame (10), a winch (16) and a ratchet pawl installed on the winch fixed base (14), one end of a steel wire rope (18) is connected with the winch (16), the other end of the steel wire rope stretches out of the end of the lifting frame (10) through the guide pulley (15), and a lifting hook (17) hooking the spare tire (4) is installed at the other end of the steel wire rope (18).

5. The off-road vehicle overhead spare tire carrier of claim 4, wherein: and a thrust ball bearing (20) is lined between the lower bearing base (12) and the fixed seat (11).