CN2341138Y

CN2341138Y - Instrument for durability of vehicle tyre

Info

Publication number: CN2341138Y
Application number: CN 98244595
Authority: CN
Inventors: 郑学加; 林旭群
Original assignee: Shantou Shengping Special Machinery Factory; Shantou City Science And Technology Advisory Service Co Rubber Plastic Machinery Inst Anping District Special Purpose Machinery Factory Shantou City
Current assignee: Shengping Shantou Jingzhou Rubber Machinery Factory
Priority date: 1998-10-07
Filing date: 1998-10-07
Publication date: 1999-09-29
Anticipated expiration: 2008-10-07

Abstract

The utility model discloses an instrument for durability of vehicle tyres, comprising a machine frame, a power machine, a transmission mechanism, a rotary drum, a loading mechanism, a tyre installing mechanism and a displacement mechanism, wherein, the rotary drum is driven by the power machine, the displacement mechanism is installed on the machine frame, and the tyre installing mechanism is installed on the displacement mechanism. One end of a lever is used for bearing a load, and the other end of the lever is matched with the tyre installing mechanism in a pushing way. The utility model is characterized in that the displacement mechanism is composed of two oscillating arms, one end of each oscillating arm is hinged on the machine frame, and the end of each oscillating arm is hinged on the tyre installing mechanism. The utility model has the advantages of little testing resistance and high testing data accuracy.

Description

A kind of vehicle tyre durability test machine

The utility model belongs to a kind of proving installation of vehicle part, particularly the vehicle tyre durability test machine.

Present existing vehicle tyre durability test machine, structure comprises frame, engine and gear train, rotary drum, load maintainer, tire installing mechanism, displacement mechanism, wherein engine drives the rotary drum rotation by gear train, rotate by the rotary drum tire on the drive wheels, load maintainer by displacement mechanism to the reinforcing of tire installing mechanism, make the test tire after the continuous running, check the qualified situation of tire through certain hour (being generally 37 hours) under the specified fictitious load.Because the moving resistance of the displacement mechanism of existing testing machine is bigger, so the test load amount that load maintainer is delivered on the tire is just inaccurate, the poor accuracy of corresponding test figure, particularly for the less little tire of load, test figure will seriously be forbidden.

The purpose of this utility model provides a kind of improved vehicle tyre durability test machine, and the resistance to displacement of its displacement mechanism is little, can improve the accuracy of test figure.

The utility model is achieved in that a kind of vehicle tyre durability test machine, comprise frame, engine and gear train, rotary drum, load maintainer, the tire installing mechanism, displacement mechanism, wherein engine is done to drive by gear train and rotary drum and is cooperated, displacement mechanism is installed on the frame, the tire installing mechanism is loaded on the displacement mechanism and the tire installation end faces the periphery of rotary drum, load maintainer has a leverage, leverage one end is laid its other end of end for the load thing and is done to promote to cooperate with the tire installing mechanism, it is characterized in that described displacement mechanism is made of two parallel and isometric swing arms, an end of swing arm each be hinged on the frame respectively, each is hinged on the other end respectively on the tire installing mechanism.

The effect of above-mentioned displacement mechanism is to make the tire installing mechanism have certain displacement capacity, the load forces of load maintainer can be delivered on the test tire and can continue to keep contacting of tire and rotary drum behind the test tire wear.

Such scheme is because displacement mechanism adopts four connecting rod swing arm modes, so resistance to displacement can greatly reduce, the accuracy of test figure can greatly improve.

Below in conjunction with accompanying drawing the utility model is done to describe more specifically.

Fig. 1 is the partial schematic sectional view of a kind of scheme of the utility model.

Fig. 2 is the broken section vertical view of Fig. 1.

With reference to Fig. 1～Fig. 2, this testing machine, comprise frame 1, motor 2 reaches by

belt pulley

3 and 4, the gear train that belt 5 grades constitute, be installed on the rotary drum 7 on bearing seat 6 grades, by loading disc 8, the load maintainer that lever piece 9 and push rod 10 constitute, by slide 11, slide plate 12, regulator 13, rotor 14, the tire installing mechanism that mounting disc 15 constitutes, displacement mechanism 16～17, wherein motor 2 is done to drive with wheel hub 7 by gear train 3～5 and is cooperated, displacement mechanism 16～17 is contained on the frame 1, tire installing mechanism 11～15 is installed on the displacement mechanism 16～17 and tire mounting disc 15 faces the periphery of rotary drum 7, one end of the lever 9 of load maintainer hangs a loading disc 8 and lays the place for the load thing, its other end is done to promote to be connected by push rod 10 and tire installing mechanism 11～15, feature is that described displacement mechanism 16～17 is by two parallel and

isometric swing arms

16,17 constitute, swing arm 16, an end of 17 is respectively by bearing

18,19 are articulated on the frame 1, and its other end is by bearing

20,21 are articulated on the slide 11 of tire installing mechanism.In addition, that to be three parts tightened up by

web member

22,23 etc. frame 1 is whole; Push rod 10 is connected with slide 11 by pin 24; The upper frame 26 of frame 1 before load maintainer 8～10 places also are provided with the guide holder 25 of push rod 10 and load; Lever piece 9 is connected with push rod 10 by cradle head 27; Motor 2 is connected by shaft coupling 28 with belt pulley 3.

During use; be contained in the mounting disc 15 waiting to try tire 29; adjusting regulator 13 makes tire 29 contact with rotary drum 7 peripheries; the pouring weight of rated load is put on the loading disc 8; load forces is by lever piece 9; cradle head 27; push rod 10; slide 11; rotor 14; mounting disc 15 passes to tire 29; make the specified contact force of tire 29 generations and rotary drum 7; at this moment actuating motor 2; rotary drum 7 rotates, and drives tyre rotation, through after certain test period; just but the shutdown inspection tire 29; if surface of tyre does not break; non-foaming, then tire 29 is qualified, otherwise tire 29 is defective.

Claims

1, a kind of vehicle tyre durability test machine, comprise frame, engine and gear train, rotary drum, load maintainer, the tire installing mechanism, displacement mechanism, wherein engine is done to drive by gear train and rotary drum and is cooperated, displacement mechanism is installed on the frame, the tire installing mechanism is loaded on the displacement mechanism and the tire installation end faces the periphery of rotary drum, load maintainer has a leverage, leverage one end is laid its other end of end for the load thing and is done to promote to cooperate with the tire installing mechanism, it is characterized in that described displacement mechanism is made of two parallel and isometric swing arms, an end of swing arm each be hinged on the frame respectively, each is hinged on the other end respectively on the tire installing mechanism.

2, by the described testing machine of claim 1, it is characterized in that described tire installing mechanism is made of slide, slide plate, regulator, rotor, mounting disc, the other end of described swing arm is to be hinged on the described slide.

3, by claim 1 or 2 described testing machines, it is characterized in that described load maintainer is made of loading disc, lever piece and push rod, loading disc is laid end for the load thing, and lever piece is to do to promote to cooperate by push rod and tire installing mechanism.