CN106337466A

CN106337466A - Auxiliary traction apparatus of caterpillar type excavator

Info

Publication number: CN106337466A
Application number: CN201610954954.5A
Authority: CN
Inventors: 张久兵; 司丽丽; 朱家饶; 孙瑞斌; 苏宗洁; 李彬
Original assignee: Anhui Liugong Crane Co Ltd
Current assignee: Anhui Liugong Crane Co Ltd
Priority date: 2016-10-27
Filing date: 2016-10-27
Publication date: 2017-01-18

Abstract

The invention discloses an auxiliary traction apparatus of a caterpillar type excavator. The auxiliary traction apparatus comprises oil cylinders, turnover assemblies and travelling assemblies; each travelling assembly at least comprises a fixed bracket, an arc-shaped bent arm and a swing arm; each fixed bracket is fixedly connected onto the excavator; the cylinder body of each oil cylinder is hinged with one end of each fixed bracket; a piston rod of each oil cylinder is hinged with one end of each arc-shaped bent arm; the other end of each arc-shaped bent arm is hinged with each swing arm; one side end part of each swing arm is hinged with the end part of each fixed bracket away from the hinged part of a rod body of each oil cylinder; and each travelling assembly comprises a tyre which is mounted at one side end part, away from each fixed bracket, of each swing arm. When the excavator operates, the piston rods of the oil cylinders are retracted to the smallest positions, the swing arms of the turnover assemblies drives the tyres to move upwards, the caterpillar band of the excavator is grounded, and the excavator uses the caterpillar band to travel and operate; when the excavator operates, the piston rods of the oil cylinders extend to the maximal positions, and the swing arms of the turnover assemblies drive the tyres to move downwards, so that the tyres are in contact with the ground; and a traction vehicle utilizes tyres of the travelling assemblies to complete transportation and transfer.

Description

Crawler-mounted excavator auxiliary hitch

Technical field

The present invention relates to a kind of crawler-mounted excavator auxiliary hitch.

Background technology

The walking mechanism of current excavator mostly is crawler type, is affected by the state of ground less, but shortcoming is in work during work When transporting between ground, metal track plate can damage to highway pavement, typically can not directly travel on highway, and crawler type Traveling mechanism travel speed is slower, and transport efficacy is extremely low.During real work, crawler-mounted excavator needs in advance using flat bed delivery Car transports it near job site, increased extra cost of transportation and its property passed through is subject to flat bed transport vehicle length, width Restriction, very inconvenient.

Content of the invention

The technical problem to be solved is to provide a kind of crawler-mounted excavator auxiliary hitch, and this crawler type is dug Pick machine auxiliary hitch comprises crawler type and two sets of walking modes of rubber-tyred simultaneously, can be realized freely according to different needs Switching.

For solving above-mentioned technical problem, the invention provides a kind of crawler-mounted excavator auxiliary hitch；

Including at least one oil cylinder, least one set upset assembly and least one set walking assembly, oil cylinder, upset assembly and row Walking assembly is one-to-one relationship；

Described upset assembly at least includes fixed support, arc is cranked arm and swing arm, and fixed support is fixedly connected on excavation On machine, the cylinder body of oil cylinder is hinged with support bracket fastened one end, and the piston rod of oil cylinder and arc are cranked arm, and one end is hinged, and arc is cranked arm separately Hinged between one end and swing arm, swing arm one side end is hinged with the fixed support end away from oil cylinder body of rod hinged place；

Described walking assembly includes tire, and tire is arranged on swing arm away from a support bracket fastened side end.

After such structure, during excavator operation, the piston rod of oil cylinder is contracted to minimum position, the pendulum of upset assembly Arm drives tire to move up, the contacting to earth of crawler of excavator, and tire can be turned to above excavator, and this excavator uses Crawler belt travels operation；When excavator is in transhipment, the piston rod of oil cylinder extend out to maximum position, in shoveling, the swing arm of excavator And under the assistance of bucket, the swing arm of upset assembly drives tire to move down, and tire is contacted with ground, and tractor can be using row Walk the tire of assembly, complete transport and the transition of whole excavator.

Compared with prior art, clear advantage is that of the present invention can either be realized efficiently shifting transport, also not shadow Ring its operation pass through property and complete machine stability, and tire be mounted directly on board a dredger it is not necessary to dismounting carry, convenient use with Transfer.

For the clearer technology contents understanding the present invention, below by this crawler-mounted excavator auxiliary hitch abbreviation For this traction apparatus.

The upset assembly of this traction apparatus also includes the gimbal lever, and gimbal lever one end is hinged on arc cranks arm, and the gimbal lever is another One end is hinged with fixed support；After such structure, the gimbal lever can increase the whole stability overturning assembly.

Two oil cylinders of the inclusion of this traction apparatus, two groups of upset assemblies and two groups of walking assemblies, two oil cylinders, two groups of upsets Assembly and two groups of walking assemblies correspond；

The fixed support of two groups of upset assemblies is fixedly connected on excavator both sides, between two groups of walking assemblies by vehicle bridge even Connect fixation.

After such structure, two oil cylinders, two groups of upset assemblies and two groups of walking assemblies are separately positioned on excavator Both sides, make whole device structure distribution more reasonable；Vehicle bridge also makes the distance between two groups of walking assemblies be fixed, and is not susceptible to Rock.

The swing position of the corresponding swing arm of the excavator side of this traction apparatus is fixedly connected with least one alignment pin, positioning Pin stretches out excavator both sides；After such structure, respectively increase alignment pin in excavator both sides simultaneously, make vehicle bridge and wheel After tire is turned to below crawler belt, excavates function and keep being relatively fixed with tire, thus the stability during ensureing to run at high speed And safety.

Brief description

Fig. 1 is one of use state figure of this traction apparatus embodiment.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the two of the use state figure of this traction apparatus embodiment.

Fig. 4 is the three of the use state figure of this traction apparatus embodiment.

Specific embodiment

As shown in Figures 1 to 4

This traction apparatus includes 1, two groups of upset assemblies of two oil cylinders and two groups of walking assemblies, 1, the two groups of upsets of two oil cylinders Assembly and two groups of walking assemblies correspond and are respectively at excavator both sides.

Every group of upset assembly includes fixed support 21, arc is cranked arm 22, swing arm 23 and the gimbal lever 24, and fixed support 21 welds On excavator cab 51 side wall, the trend of fixed support 21 is consistent with the length direction of excavator, the cylinder body of oil cylinder 1 with solid The front end of fixed rack 21 is hinged, and piston rod 11 and the arc of oil cylinder 1 22 one end of cranking arm are hinged, and arc is cranked arm 22 other ends and swing arm 23 middle part is hinged, and swing arm 23 1 side end is hinged with fixed support 21 rear end, and the gimbal lever 24 one end is hinged on oil cylinder 1 piston rod 11 with arc crank arm 22 hinged place on, the gimbal lever 24 other end is hinged with fixed support 21 rear portion.

Every group of walking assembly includes tire 31, and tire 31 is arranged on the side away from fixed support 21 for the swing arm 23 by axletree End, fixing by vehicle bridge 32 between two groups of walking assemblies.

The swing position of the corresponding swing arm 23 of excavator side is welded with two alignment pins 4, and each alignment pin 4 stretches out excavator Both sides.

The crawler belt 52 formula excavator installing this traction apparatus can have crawler belt Move Mode and tire traction mode, according to reality Border use state switches mutually.

As shown in Fig. 1 is to 2

When excavator is in site operation, removes tractor 6, will be shunk using oil cylinder 1, drive the swing arm 23 of upset assembly By the tire 31 of walking assembly be turned to not with ground contact state, excavator uses crawler belt 52 mobile, can be severe in building site etc. Operation under road conditions, realizes the function same with common crawler belt 52 formula excavator.

As shown in Figs. 3-4

When excavator needs long-distance transport, start oil cylinder 1, the piston rod 11 of oil cylinder 1 stretches out, drive the pendulum of upset assembly The tire 31 of assembly of walking is turned to below crawler belt 52 by arm 23, until swing arm 23 is resisted against on alignment pin 4, using tractor 6 by being connected with the towing bracket 57 on excavator, under the towing of tractor 6, realizes running at high speed under general road. Towing state, securing rod 53 can set up in outside and the relative position of excavator swing arm 55 and bucket 56 etc. is locked, prevent from going There is relative displacement in state of sailing.

Travelling, under job state can its walking mode of free switching, do not affect its using function in the case of carry The high efficiency of transport.

Traveling mechanism upset switching, it is only necessary to adjust shoveling 54, swing arm 55 and the bucket 56 that excavator itself is equipped with, is assisted Keep balancing the auxiliary equipment it is not necessary to extra, that is, enable voluntarily to overturn, convenience and high-efficiency.

Above-described is only one embodiment of the present invention it is noted that for those of ordinary skill in the art For, under the premise without departing from the principles of the invention, some modifications and improvement can also be made, these also should be regarded as belonging to this Bright protection domain.

Claims

1. a kind of crawler-mounted excavator auxiliary hitch, it is characterized by:

Including at least one oil cylinder, least one set upset assembly and least one set walking assembly, oil cylinder, upset assembly and walking group Part is one-to-one relationship；

Described upset assembly at least includes fixed support, arc is cranked arm and swing arm, and fixed support is fixedly connected on board a dredger, The cylinder body of oil cylinder is hinged with support bracket fastened one end, and the piston rod of oil cylinder and arc one end of cranking arm is hinged, and arc is cranked arm the other end Hinged and swing arm between, swing arm one side end is hinged with the fixed support end away from oil cylinder body of rod hinged place；

2. crawler-mounted excavator auxiliary hitch according to claim 1, is characterized in that:

Described upset assembly also includes the gimbal lever, and gimbal lever one end is hinged on arc cranks arm, gimbal lever's other end and fixation Support is hinged.

3. crawler-mounted excavator auxiliary hitch according to claim 1, is characterized in that:

Including two oil cylinders, two groups of upset assemblies and two groups of walking assemblies, two oil cylinders, two groups of upset assemblies and two groups of walking groups Part corresponds；

The fixed support of two groups of upset assemblies is fixedly connected on excavator both sides, is connected solid between two groups of walking assemblies by vehicle bridge Fixed.

4. crawler-mounted excavator auxiliary hitch according to claim 1, is characterized in that:

The swing position of the corresponding swing arm of described excavator side is fixedly connected with least one alignment pin, and alignment pin stretches out excavator Both sides.