CN210288533U

CN210288533U - Bulldozer with obstacle clearing function

Info

Publication number: CN210288533U
Application number: CN201921050497.2U
Authority: CN
Inventors: 叶九云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-10
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a bull-dozer with function of removing obstacles, a tip of support in pairs passes through first pivot and automobile body swing joint, and another tip of support in pairs passes through second pivot and main scraper bowl swing joint, mated first pneumatic cylinder passes through third pivot and automobile body swing joint, and the piston rod of first pneumatic cylinder in pairs passes through fourth pivot and main scraper bowl swing joint, mated second pneumatic cylinder passes through fifth pivot and main scraper bowl swing joint, and the piston rod of second pneumatic cylinder in pairs is provided with the boss through sixth pivot and support swing joint respectively at the rear portion of main scraper bowl, has seted up the guide way in this boss, mated flexible scraper bowl activity card respectively is put in the both sides portion of main scraper bowl, the utility model discloses the advantage is: the bulldozing area is enlarged, the bulldozing operation efficiency is improved, the obstacle clearing function is realized, and the clearing operation is very convenient and fast.

Description

Bulldozer with obstacle clearing function

Technical Field

The utility model relates to a technical field of bull-dozer, more specifically say so and relate to crawler-type bull-dozer's technical field.

Background

A bulldozer is an earthmoving machine capable of performing both bulldozer pushing and excavation, and has wide use in open-pit mines, such as for construction of dumps, leveling of automobile dumps, accumulation of scattered rocks, leveling of work pans, construction sites, and the like, not only for auxiliary work, but also for main mining work, such as stripping and mining of sand deposits, and the like. The bulldozer may be crawler type bulldozer with great adhering traction, small ground pressure, high climbing capacity and low running speed. The tyre type bulldozer has high running speed, flexibility, short operation cycle time, convenient transportation and transfer, small traction force and is suitable for frequent site change and field work. The prior common crawler dozer has the following two defects: firstly, the width of a bulldozer bucket is generally consistent with the width of a vehicle body, so that the bulldozer has a small bulldozer area and low bulldozer operation efficiency, and although the bucket of some special bulldozers has a wide width and high bulldozer efficiency, the wide bucket affects the passing performance of the bulldozer and cannot pass through when encountering a narrow bridge opening or a width limiting door. Secondly, when the bulldozer encounters obstacles such as large stones and the like in the process of advancing or bulldozer operation, the bulldozer is difficult to clean, and wastes time and labor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bull-dozer with clear barrier function for solving above-mentioned not enough to can adjust the scraper bowl width, can improve bulldozing operating efficiency's bull-dozer with clear barrier function.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

a bulldozer with obstacle clearing function comprises a bulldozer body, a bulldozer mechanism and an obstacle clearing mechanism, wherein the bulldozer mechanism comprises a main bucket, a pair of telescopic buckets, a pair of adjusting hydraulic cylinders, a pair of first hydraulic cylinders, a pair of second hydraulic cylinders and a pair of supports, one end parts of the pair of supports are movably connected with the bulldozer body through first rotating shafts, the other end parts of the pair of supports are movably connected with the main bucket through second rotating shafts, the pair of first hydraulic cylinders are movably connected with the bulldozer body through third rotating shafts, piston rods of the pair of first hydraulic cylinders are movably connected with the main bucket through fourth rotating shafts, the pair of second hydraulic cylinders are movably connected with the main bucket through fifth rotating shafts, the piston rods of the pair of second hydraulic cylinders are respectively movably connected with the supports through sixth rotating shafts, a boss is arranged at the rear part of the main bucket, and a guide groove is arranged in the boss, the paired telescopic buckets are movably clamped in the two side parts of the main bucket respectively, limiting seats are arranged on the paired telescopic buckets respectively, the limiting seats are movably clamped in the guide grooves, the paired adjusting hydraulic cylinders are fixedly arranged on the bosses respectively, piston rods of the paired adjusting hydraulic cylinders are fixedly connected with the limiting seats respectively, and the obstacle clearing mechanism is arranged on the vehicle body.

The obstacle clearing mechanism comprises a rotating mechanism, a clamping mechanism, a first folding arm, a second folding arm, a connecting seat, a first oil cylinder, a second oil cylinder and a third oil cylinder, the rotating mechanism comprises a shell, a rotating seat and a hydraulic motor, the shell is fixedly arranged on the front portion of the vehicle body, the rotating seat is movably arranged in the shell, the hydraulic motor is fixedly arranged on the shell and is in transmission connection with the rotating seat, a supporting frame is arranged on the rotating seat, the first folding arm is movably arranged on the supporting frame through a first pivot, the second folding arm is movably connected with the first folding arm through a second pivot, the connecting seat is movably connected with the second folding arm through a third pivot, the first oil cylinder is movably arranged on the supporting frame through a fourth pivot, and a piston rod of the first oil cylinder is movably connected with the first folding arm through a fifth pivot, the second hydro-cylinder passes through sixth pivot movable mounting on first folding arm, and the piston rod of second hydro-cylinder passes through seventh pivot and second folding arm swing joint, the third hydro-cylinder passes through eleventh pivot movable mounting on the second folding arm, and the piston rod of third hydro-cylinder passes through twelfth pivot and connecting seat swing joint, press from both sides the mechanism including mated fourth hydro-cylinder, mated clamping jaw and support, support fixed mounting is on the connecting seat, mated fourth hydro-cylinder passes through eighth pivot and support swing joint respectively, and mated clamping jaw passes through ninth pivot and support swing joint, and the piston rod of mated fourth hydro-cylinder passes through tenth pivot and mated clamping jaw swing joint.

The rotating seat is movably arranged in the shell through a thrust bearing and a first radial bearing, a gear ring is arranged on the rotating seat in the shell, a worm is arranged on an output shaft of the hydraulic motor and movably arranged in the shell through a second radial bearing in a penetrating mode, and the worm is meshed with the gear ring.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. the piston rods of the hydraulic cylinders are controlled to extend in pairs, the telescopic buckets in pairs can be expanded to the two sides of the main bucket, the bulldozing area is enlarged, the bulldozing operation efficiency is improved, and after the bulldozing operation is finished, the telescopic buckets in pairs are retracted and reset through the hydraulic cylinders in pairs, so that the transverse width of the bulldozer is reduced, and the trafficability of the bulldozer is improved.

2. When the bulldozer runs ahead or encounters obstacles such as large stones during bulldozer operation, the obstacle removing mechanism clamps the obstacles to move away, so that the obstacle removing function is realized, and the cleaning operation is very convenient and fast.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the dozing mechanism of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic structural view of the obstacle removing mechanism of FIG. 1;

FIG. 6 is an enlarged partial schematic view at C of FIG. 5;

FIG. 7 is an enlarged partial schematic view of FIG. 5 at D;

fig. 8 is a top cross-sectional view of the rotating mechanism of fig. 7.

Detailed Description

As shown in fig. 1, the bulldozer with obstacle clearing function comprises a bulldozer body 1, a bulldozer mechanism and an obstacle clearing mechanism 3, wherein the bulldozer mechanism comprises a main bucket 4, a pair of telescopic buckets 5, a pair of adjusting hydraulic cylinders 6, a pair of first hydraulic cylinders 7, a pair of second hydraulic cylinders 8 and a pair of brackets 9, as shown in fig. 2, 3 and 4, one end parts of the brackets 9 are movably connected with the bulldozer body 1 through a first rotating shaft 10, the other end parts of the brackets 9 are movably connected with the main bucket 4 through a second rotating shaft 11, the pair of first hydraulic cylinders 7 are movably connected with the bulldozer body 1 through a third rotating shaft 12, piston rods 13 of the pair of first hydraulic cylinders 7 are movably connected with the main bucket 4 through a fourth rotating shaft 14, the pair of second hydraulic cylinders 8 are movably connected with the main bucket 4 through a fifth rotating shaft 15, piston rods 16 of the pair of second hydraulic cylinders 8 are respectively movably connected with the brackets 9 through sixth rotating shafts 17, a boss 18 is arranged at the rear part of the main bucket 4, a guide groove 19 is arranged in the boss 18, the paired telescopic buckets 5 are movably clamped in the two side parts of the main bucket 4 respectively, limiting seats 20 are arranged on the paired telescopic buckets 5 respectively, the limiting seats 20 are movably clamped in the guide groove 19, the paired adjusting hydraulic cylinders 6 are fixedly arranged on the boss 18 respectively, and piston rods 21 of the paired adjusting hydraulic cylinders 6 are fixedly connected with the limiting seats 20 respectively.

The obstacle clearing mechanism 3 is mounted on the vehicle body 1, as shown in fig. 5, the obstacle clearing mechanism 3 comprises a rotating mechanism, a clamping mechanism, a first folding arm 22, a second folding arm 23, a connecting seat 24, a first oil cylinder 25, a second oil cylinder 26 and a third oil cylinder 27, the rotating mechanism comprises a shell 28, a rotating seat 29 and a hydraulic motor 30, the shell 28 is fixedly mounted on the front portion of the vehicle body 1, the rotating seat 29 is movably mounted in the shell 28, the hydraulic motor 30 is fixedly mounted on the shell 28, the hydraulic motor 30 is in transmission connection with the rotating seat 29, the mounting connection relationship between the rotating seat 29 and the shell 28 and the transmission connection relationship between the hydraulic motor 30 and the rotating seat 29 are as follows: as shown in fig. 7 and 8, the rotary base 29 is movably mounted in the housing 28 by a thrust bearing 52 and a first radial bearing 53, a ring gear 54 is provided on the rotary base 29 in the housing 28, a worm 56 is provided on an output shaft 55 of the hydraulic motor 30, the worm 56 is movably inserted in the housing 28 by a second radial bearing 57, and the worm 56 meshes with the ring gear 54.

A support frame 31 is arranged on the rotating seat 29, the first folding arm 22 is movably arranged on the support frame 31 through a first pivot 32, the second folding arm 23 is movably connected with the first folding arm 22 through a second pivot 33, the connecting seat 24 is movably connected with the second folding arm 23 through a third pivot 34, the first oil cylinder 25 is movably arranged on the support frame 31 through a fourth pivot 35, a piston rod 36 of the first oil cylinder 25 is movably connected with the first folding arm 22 through a fifth pivot 37, the second oil cylinder 26 is movably arranged on the first folding arm 22 through a sixth pivot 38, a piston rod 39 of the second oil cylinder 26 is movably connected with the second folding arm 23 through a seventh pivot 40, the third oil cylinder 27 is movably arranged on the second folding arm 23 through an eleventh pivot 41, and a piston rod 42 of the third oil cylinder 27 is movably connected with the connecting seat 24 through a twelfth pivot 43,

as shown in fig. 6, the gripping mechanism includes a pair of fourth oil cylinders 49, a pair of clamping jaws 45 and a support 46, the support 46 is fixedly installed on the connecting base 24, the pair of fourth oil cylinders 49 are movably connected with the support 46 through eighth pivot shafts 47, the pair of clamping jaws 45 are movably connected with the support 46 through ninth pivot shafts 48, and piston rods 50 of the pair of fourth oil cylinders 49 are movably connected with the pair of clamping jaws 45 through tenth pivot shafts 51.

The working principle of the bulldozer with the obstacle clearing function is as follows: the piston rods 21 of the paired adjusting hydraulic cylinders 6 are controlled to extend out, the paired telescopic buckets 5 can be expanded to the two sides of the main bucket 4, the bulldozing area is enlarged, the bulldozing operation efficiency is improved, and after the bulldozing operation is finished, the paired telescopic buckets 5 are retracted and reset through the paired adjusting hydraulic cylinders 6, so that the transverse width of the bulldozer is reduced, and the trafficability of the bulldozer is improved. When the bulldozer encounters large obstacles such as stones during advancing or bulldozer operation, the obstacles are clamped and removed by the clamping mechanism of the obstacle clearing mechanism 3, so that the obstacle clearing function is realized.

Claims

1. Bull-dozer with clear barrier function, its characterized in that: the automatic soil-shifting device comprises a vehicle body, a soil-shifting mechanism and a barrier-removing mechanism, wherein the soil-shifting mechanism comprises a main bucket, a pair of telescopic buckets, a pair of adjusting hydraulic cylinders, a pair of first hydraulic cylinders, a pair of second hydraulic cylinders and a pair of supports, one end parts of the pair of supports are movably connected with the vehicle body through first rotating shafts, the other end parts of the pair of supports are movably connected with the main bucket through second rotating shafts, the pair of first hydraulic cylinders are movably connected with the vehicle body through third rotating shafts, piston rods of the pair of first hydraulic cylinders are movably connected with the main bucket through fourth rotating shafts, the pair of second hydraulic cylinders are movably connected with the main bucket through fifth rotating shafts, piston rods of the pair of second hydraulic cylinders are respectively movably connected with the supports through sixth rotating shafts, a boss is arranged at the rear part of the main bucket, a guide groove is arranged in the boss, and the pair of telescopic buckets are respectively and movably clamped in two side parts, the paired telescopic buckets are respectively provided with a limiting seat, the limiting seats are movably clamped in the guide grooves, the paired adjusting hydraulic cylinders are respectively and fixedly installed on the bosses, piston rods of the paired adjusting hydraulic cylinders are respectively and fixedly connected with the limiting seats, and the obstacle removing mechanism is installed on the vehicle body.

2. A bulldozer with a obstacle clearing function according to claim 1, wherein: the obstacle clearing mechanism comprises a rotating mechanism, a clamping mechanism, a first folding arm, a second folding arm, a connecting seat, a first oil cylinder, a second oil cylinder and a third oil cylinder, the rotating mechanism comprises a shell, a rotating seat and a hydraulic motor, the shell is fixedly arranged on the front portion of the vehicle body, the rotating seat is movably arranged in the shell, the hydraulic motor is fixedly arranged on the shell and is in transmission connection with the rotating seat, a supporting frame is arranged on the rotating seat, the first folding arm is movably arranged on the supporting frame through a first pivot, the second folding arm is movably connected with the first folding arm through a second pivot, the connecting seat is movably connected with the second folding arm through a third pivot, the first oil cylinder is movably arranged on the supporting frame through a fourth pivot, and a piston rod of the first oil cylinder is movably connected with the first folding arm through a fifth pivot, the second hydro-cylinder passes through sixth pivot movable mounting on first folding arm, and the piston rod of second hydro-cylinder passes through seventh pivot and second folding arm swing joint, the third hydro-cylinder passes through eleventh pivot movable mounting on the second folding arm, and the piston rod of third hydro-cylinder passes through twelfth pivot and connecting seat swing joint, press from both sides the mechanism including mated fourth hydro-cylinder, mated clamping jaw and support, support fixed mounting is on the connecting seat, mated fourth hydro-cylinder passes through eighth pivot and support swing joint respectively, and mated clamping jaw passes through ninth pivot and support swing joint, and the piston rod of mated fourth hydro-cylinder passes through tenth pivot and mated clamping jaw swing joint.

3. A bulldozer with a obstacle clearing function according to claim 2, wherein: the rotating seat is movably arranged in the shell through a thrust bearing and a first radial bearing, a gear ring is arranged on the rotating seat in the shell, a worm is arranged on an output shaft of the hydraulic motor and movably arranged in the shell through a second radial bearing in a penetrating mode, and the worm is meshed with the gear ring.