CN112609759B

CN112609759B - Anti-smashing device and bulldozer

Info

Publication number: CN112609759B
Application number: CN202011224869.6A
Authority: CN
Inventors: 许文杰; 任锁; 张飞; 刘春晖; 杨海军; 李德胜; 任浩鹏; 毕岩峰
Original assignee: North Weijiamao Coal Power Co Ltd
Current assignee: North Weijiamao Coal Power Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2023-04-25
Anticipated expiration: 2040-11-05
Also published as: CN112609759A

Abstract

The invention provides a smashing prevention device and a bulldozer, relates to the technical field of engineering machinery, and is designed for solving the problem that a water tank of the existing bulldozer is easy to damage in the use process. The anti-smashing device comprises two mounting tables, damping springs and a protective top plate, wherein the two mounting tables are fixedly arranged on the bearing table at intervals, and a water tank is arranged between the two mounting tables; the protection roof is located the top of two mount tables, all is connected with damping spring between every mount table and the protection roof. The bulldozer comprises the anti-smashing device. The anti-smashing device and the bulldozer can protect the water tank and reduce the risk of breakage of the water tank.

Description

Anti-smashing device and bulldozer

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a smashing prevention device and a bulldozer.

Background

The bulldozer is a common engineering machine for construction sites, and a worker can level off a place with uneven pavement or move and put a soil pile through the bulldozer so as to achieve the aim of leveling the earth. In the working process of the bulldozer, dust can be removed from the ground through the water tank, so that dust can be prevented from lifting.

Generally, the water tank is fragile, and the stone is easy to scoop up when the bulldozer levels the topography, and the scooped stone can be crashed into the water tank in the falling process, so that the water tank is very easy to damage, and the normal use of the bulldozer is affected.

Disclosure of Invention

The invention provides a smashing-proof device, which aims to solve the technical problem that a water tank of an existing bulldozer is easy to damage in the use process.

The smashing prevention device is configured to protect a water tank arranged on a bucket, wherein a bearing table is arranged on one surface of the bucket, which is away from a soil shoveling surface of the bucket, and is used for supporting the water tank; the anti-smashing device comprises two mounting tables, damping springs and a protective top plate, wherein the number of the mounting tables is two, the two mounting tables are fixedly arranged on the bearing table at intervals, and the water tank is positioned between the two mounting tables; the protection roof is located two the top of mount table, every the mount table with all be connected with between the protection roof damping spring.

Further, a guide hole is formed in each top end of the mounting table, a guide rod is fixedly arranged at the position, corresponding to the guide hole, of the bottom end of the protective top plate, the guide rod is matched with the guide hole, and the damping spring is sleeved on the guide rod.

Further, the anti-smashing device further comprises two groups of limiting assemblies, each limiting assembly is arranged between the protective top plate and the lateral direction of the mounting table, each limiting assembly comprises a limiting rod, two limiting clamping seats and two limiting blocks, one limiting clamping seat is fixedly arranged on the protective top plate, the other limiting clamping seat is fixedly arranged on the mounting table, two ends of the limiting rod respectively penetrate through the two limiting clamping seats, and the two limiting blocks are respectively fixedly arranged at two penetrating-out ends of the limiting rod.

Further, the two mounting tables are arranged at intervals along the width direction of the bucket; the opposite surfaces of the two mounting tables are provided with clamping grooves, the length direction of each clamping groove extends along the depth direction of the water tank, the anti-smashing device further comprises anti-smashing baffle plates, and two sides of each anti-smashing baffle plate are respectively inserted into the clamping grooves of the two mounting tables; the anti-smash baffle is disposed adjacent to the bucket.

Further, the anti-smashing device further comprises a forward guard plate, the forward guard plate is opposite to the anti-smashing guard plate, and the forward guard plate is detachably connected to the mounting table; the water tank is located between the forward guard plate and the anti-smashing baffle plate.

Further, each mounting table is fixedly provided with a connecting seat adjacent to one face of the water tank, the connecting seat is provided with a threaded hole, a connecting through hole is formed in the position, corresponding to the threaded hole, of the forward guard plate, and the anti-smashing device further comprises a connecting screw rod which penetrates through the connecting through hole and is screwed with the threaded hole.

Further, the smashing prevention device further comprises a guide table, the guide table is fixedly connected with the bearing table, and a guide surface is arranged on the top surface of the guide table; the guide surface extends obliquely downward in a direction away from the soil surface of the bucket.

Further, the top surface of the protective top plate is in a ridge shape.

The anti-smashing device has the beneficial effects that:

the smashing prevention device provided by the invention can be used for protecting the water tank arranged on the bucket, wherein a bearing table for supporting the water tank is arranged on one surface of the bucket, which is away from the soil shoveling surface of the bucket, and the water tank is arranged on the bearing table; the anti-smashing device comprises two mounting tables fixedly arranged on the bearing table at intervals, a protective top plate arranged above the two mounting tables and a damping spring connected between the protective top plate and each mounting table, and the water tank is arranged between the two mounting tables.

The following description will take the example of the anti-crushing device used for a bulldozer. When the bulldozer is in use, the anti-smashing device is arranged on the bearing table of the bucket of the bulldozer, the water tank is arranged on the bearing table, and the two mounting tables of the anti-smashing device are respectively arranged on the two sides of the water tank. In the bulldozer carries out the in-process of bulldozing, the earth piece and the stone that splash will drop on the protection roof, makes protection roof downwardly moving, and at this moment, damping spring is compressed, utilizes damping spring's compression to realize the buffering to the impact force, converts the hard impact between earth piece and stone and the protection roof into elasticity vibrations, absorbs the energy of impact force by damping spring, so sets up, significantly reduced the damage that directly smashes the protection roof because of earth piece and stone and cause.

Through setting up above-mentioned protection of pounding device in the bulldozer, not only can utilize the protection roof to realize the protection to the water tank, prevent that the water tank from being pounded by the clod and the stone that splash, moreover, can also cushion the hard impact force that acts on the protection roof through damping spring, reduce the damage that clod and stone caused the protection roof, prolonged the life of protection of pounding device.

The second object of the invention is to provide a bulldozer, which solves the technical problem that the water tank of the existing bulldozer is easy to be damaged in the use process.

The bulldozer comprises a machine body, a bucket, a water tank and the anti-smashing device, wherein the bucket is installed on the machine body, the water tank is arranged on a bearing table of the bucket, and the anti-smashing device is fixedly arranged on the bearing table through an installation table.

Further, the bearing table comprises two cross arms and an installation underframe fixedly connected with the two cross arms, the two cross arms are arranged at intervals along the width direction of the bucket, and the installation underframe is fixedly connected with the top ends of the two cross arms.

The bulldozer has the beneficial effects that:

by arranging the anti-smashing device in the bulldozer, the bulldozer has all the advantages of the anti-smashing device, and therefore the anti-smashing device is not described in detail herein.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a bulldozer according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing a partial structure of a bulldozer according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a partial structure at A in FIG. 2;

FIG. 4 is a schematic view of a limit assembly of a bulldozer according to an embodiment of the present invention;

fig. 5 is a top view of a partial structure of a smashing prevention device provided with a water tank according to an embodiment of the present invention.

Reference numerals illustrate:

1-a bucket; 2-a cross arm; 3-mounting a chassis; 4-a water tank; 5-a mounting table; 6-a guide hole; 7-a guide rod; 8-a damping spring; 9-a limiting assembly; 901-limiting clamping seats; 902-a limit rod; 903-limiting block; 10-a protective top plate; 11-clamping grooves; 12-a smashing prevention baffle; 13-a guide table; 14-mounting a buckle; 15-connecting seats; 16-positive guard plate; 17-connecting screw.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Fig. 1 is a schematic diagram of a partial structure of a bulldozer according to the present embodiment, and fig. 2 is a schematic diagram of a partial structure of a bulldozer according to the present embodiment. As shown in fig. 1 and 2, the present embodiment provides a smash-proof device configured to protect a water tank 4 mounted to a bucket 1, wherein a carrying table for supporting the water tank 4 is mounted to a side of the bucket 1 facing away from a soil surface thereof. Specifically, the anti-smashing device comprises two mounting tables 5, damping springs 8 and a protection top plate 10, wherein the number of the mounting tables 5 is two, the two mounting tables are fixedly arranged on the bearing table at intervals, and the water tank 4 is positioned between the two mounting tables 5; the protection roof 10 is located the top of two mount tables 5, all is connected with damping spring 8 between every mount table 5 and the protection roof 10.

Specifically, in the bulldozer, the plummer includes two xarm 2 and with two xarm 2 fixed connection's installation chassis 3, and wherein, two xarm 2 set up along the width direction interval of scraper bowl 1, installation chassis 3 fixed connection is in the top of two xarm 2. The bearing table has the advantages of simple structure, easy realization and higher structural strength, and can meet the load demand.

The following description will take the example of the anti-crushing device used for a bulldozer. When the bulldozer is in use, the anti-smashing device is arranged on the bearing table of the bucket 1 of the bulldozer, the water tank 4 is arranged on the bearing table, and the two mounting tables 5 of the anti-smashing device are respectively arranged on two sides of the water tank 4. In the bulldozer bulldozes, the earth and stone that splashes will drop on protection roof 10, makes protection roof 10 downwardly moving, and at this moment, damping spring 8 is compressed, utilizes damping spring 8's compression to realize the buffering to the impact force, converts the hard impact between earth and stone and the protection roof 10 into elastic shock, absorbs the energy of impact force by damping spring 8, so set up, significantly reduced because of earth and stone directly pound the damage that falls and cause protection roof 10.

Through setting up above-mentioned protection of pounding device in the bulldozer, not only can utilize protection roof 10 to realize the protection to water tank 4, prevent that water tank 4 from being pounded by the clod and the stone that splash is broken, in addition, can also cushion the rigid impact force that acts on protection roof 10 through damping spring 8, reduce the damage that clod and stone caused protection roof 10, prolonged protection of pounding device's life.

With continued reference to fig. 1 and 2, in the present embodiment, the top surface of the protection roof 10 is ridge-shaped. So set up for soil block and stone that drops on the protection roof 10 can be very first time along the upper surface whereabouts of protection roof 10 after striking protection roof 10, reduced the gathering of soil block and stone on protection roof 10, thereby avoid soil block and stone to make damping spring 8 be in the biggest compression volume because of the dead weight effect, and lead to damping spring 8 shock attenuation inefficacy.

Fig. 3 is an enlarged view of a partial structure at a in fig. 2. Referring to fig. 1 and 2, and referring to fig. 3, in this embodiment, a guide hole 6 is formed at the top end of each mounting table 5, a guide rod 7 is fixedly disposed at a position corresponding to the guide hole 6 at the bottom end of the protective top plate 10, the guide rod 7 is matched with the guide hole 6, and a damping spring 8 is sleeved on the guide rod 7.

When the splashed earth and rocks fall onto the protective top plate 10, the protective top plate 10 is moved downward. In the process of downward movement of the protective top plate 10, the guide rod 7 moves in the guide hole 6, so that the movement of the protective top plate 10 is guided.

So set up for protection roof 10 is receiving decurrent impact force effect after, can remove under the direction of guide bar 7 and guiding hole 6, with guarantee that protection roof 10 can not take place lateral shifting, avoided protection roof 10's horizontal rocking, guaranteed protection roof 10's stability.

With continued reference to fig. 1 and 2, in this embodiment, two damper springs 8 are disposed on each mounting table 5. By the arrangement, the buffer area of the protective top plate 10 can be increased, and the omnibearing buffer shock absorption of the protective top plate 10 is realized. Accordingly, the number of the guide holes 6 on each mounting table 5 is two, and the number of the guide rods 7 provided on the same side of the protective top plate 10 is also two.

Fig. 4 is a schematic structural view of a limiting assembly 9 of the bulldozer according to the present embodiment. With continued reference to fig. 1 and 2, and with reference to fig. 4, in this embodiment, the anti-smash device may further include two sets of limiting assemblies 9, where the limiting assemblies 9 are installed between the protection top plate 10 and the lateral direction of each mounting table 5. Specifically, the limiting assembly 9 comprises a limiting rod 902, two limiting clamping seats 901 and two limiting blocks 903, one limiting clamping seat 901 is fixedly arranged on the protective top plate 10, the other limiting clamping seat 901 is fixedly arranged on the mounting table 5, two ends of the limiting rod 902 respectively penetrate through the two limiting clamping seats 901, and the two limiting blocks 903 are respectively fixedly arranged at two penetrating ends of the limiting rod 902.

When the protection top plate 10 moves upwards under the action of the elastic restoring force of the damping spring 8, the upper surface of the limit clamping seat 901 arranged on the protection top plate 10 is abutted with the lower surface of the limit block 903 above, and the lower surface of the limit clamping seat 901 arranged on the mounting table 5 is abutted with the upper surface of the limit block 903 below, so that the limit of the reset stroke of the protection top plate 10 is realized.

So set up, realized the restriction to protection roof 10 reset stroke, avoided leading to damping spring 8 amplitude too big because of protection roof 10 excessive movement, and made damping spring 8 take place the situation of irreversible damage, played certain guard action to damping spring 8 to prolonged the life of this embodiment crashproof device.

Fig. 5 is a partial top view of the anti-smash device according to the present embodiment provided with the water tank 4. Please continue to refer to fig. 1 and 2, and referring to fig. 5, in this embodiment, two mounting tables 5 are disposed at intervals along the width direction of the bucket 1, wherein the opposite surfaces of the two mounting tables 5 are provided with clamping grooves 11, the length direction of the clamping grooves 11 extends along the depth direction of the water tank 4, the anti-smashing device may further include anti-smashing baffle 12, two sides of the anti-smashing baffle 12 are respectively inserted into the clamping grooves 11 of the two mounting tables 5, and the anti-smashing baffle 12 is disposed adjacent to the bucket 1.

Through setting up the baffle 12 of preventing pounding in the face that deviates from mutually with the shovel face of scraper bowl 1 for when the direction that has the soil block that splashes and stone to drop towards water tank 4 from the top of scraper bowl 1 at the bulldozer shovel soil in-process, can utilize to prevent pounding baffle 12 to block this part soil block and stone, reduce its injure by a ball that causes the water tank 4 back. Moreover, through setting up the form of preventing pounding baffle 12 to pegging graft with two mount tables 5, still be convenient for with prevent pounding baffle 12 and pull down from mount table 5 and wash to take out the soil block and the stone block of card between preventing pounding baffle 12 and scraper bowl 1, it is convenient to maintain.

With continued reference to fig. 1 and 5, in this embodiment, the anti-smashing device may further include a forward guard plate 16, specifically, the forward guard plate 16 is opposite to the anti-smashing plate 12, and the forward guard plate 16 is detachably connected to the mounting table 5; the water tank 4 is located between the forward guard 16 and the anti-shatter guard 12.

The arrangement of the forward guard plate 16 realizes the protection of the front surface of the water tank 4, combines the anti-smashing baffle plate 12, the protective top plate 10 and the two mounting tables 5, and forms the omnibearing protection of the top surface and the four side surfaces of the water tank 4, thereby effectively reducing the damage to the water tank 4 in the soil shoveling process. In addition, the arrangement of the forward guard 16 detachably connected to the two mounting tables 5 also facilitates the detachment of the forward guard 16 for taking out the water tank 4 for adding water to the water tank 4 or for replacing the water tank 4.

With continued reference to fig. 5, in this embodiment, a connection seat 15 is fixedly disposed on a surface of each mounting table 5 adjacent to the water tank 4, and the connection seat 15 is provided with a threaded hole, wherein a connection through hole is formed at a position of the forward guard plate 16 corresponding to the threaded hole, and the anti-smashing device further comprises a connection screw 17, and the connection screw 17 passes through the connection through hole and is screwed with the threaded hole.

When the forward guard plate 16 needs to be disassembled, the connecting screw rod 17 can be unscrewed, so that the connecting screw rod 17 withdraws from the threaded hole formed in the connecting seat 15 to remove the forward guard plate 16; when the forward guard plate 16 is required to be mounted on the mounting table 5, the connecting through holes on the forward guard plate 16 are opposite to the threaded holes on the connecting seat 15, and the connecting screw 17 penetrates the connecting through holes and is screwed into the threaded holes.

The detachable connection mode of the forward guard plate 16 and the mounting table 5 is reliable in connection, reduces the falling risk of the forward guard plate 16, and is simple in connection structure, easy to realize and low in cost.

Specifically, as shown in fig. 1, the outward end of the connecting screw 17 may also fix the sleeved handwheel. So set up, the staff of being convenient for rotates the operation to it.

With continued reference to fig. 1 and 2, in this embodiment, the anti-smashing device may further include a guide table 13, specifically, the guide table 13 is fixedly connected with the mounting chassis 3 of the bearing table, and a guide surface is disposed on a top surface of the guide table 13, where the guide surface extends downward and inclines along a direction away from the soil surface of the bucket 1.

By providing the guide table 13, a part of the earth and stone can slide down along the guide surface during the working process of the bulldozer, and the accumulation of the earth and stone on the mounting underframe 3 is reduced.

Preferably, in the present embodiment, the number of the guide tables 13 is two, and the two guide tables 13 are respectively disposed at both sides of the protective top plate 10. By this arrangement, the earth and stone falling from both sides of the protective top plate 10 can be guided, and the accumulation of the earth and stone on the mounting chassis 3 can be further reduced.

In addition, this embodiment also provides a bulldozer, including organism (not shown in the figure), scraper bowl 1, water tank 4 and above-mentioned protection against the smash device, specifically, scraper bowl 1 installs in the organism, and water tank 4 sets up in the installation chassis 3 of scraper bowl 1, and protection against the smash device passes through mount table 5 fixed setting in installation chassis 3.

With continued reference to fig. 1 and 2, in this embodiment, a mounting buckle 14 is fixedly disposed on a side of the bucket 1 facing away from the soil surface thereof, and specifically, the mounting buckle 14 is connected to the machine body through a hydraulic rod (not shown). The number of the mounting buckles 14 is two, and the two mounting buckles 14 are arranged at intervals along the width direction of the bucket 1.

The principle of the above-mentioned anti-crushing device working in a bulldozer is as follows.

When in use, the bucket 1 is connected with a hydraulic rod arranged on the machine body through the mounting buckle 14. When the bulldozer works, splashed soil and stones fall on the protective top plate 10, and the impact force of the soil and stones enables the protective top plate 10 to move downwards, so that the damping springs 8 are compressed, and the impact force of the soil and stones on the protective top plate 10 is absorbed by the damping springs 8, so that the impact force is reduced; at the same time, the guide rod 7 moves downwards in the guide block to guide the protective top plate 10; after the soil blocks and the stones slide down from the protective top plate 10, the protective top plate 10 moves upwards under the action of the elastic restoring force of the damping springs 8, so as to drive the guide rods 7 to move upwards; in the process of upward movement of the protection top plate 10, under the action of the limiting component 9, the upper surface of the limiting clamping seat 901 arranged on the protection top plate 10 is abutted with the lower surface of the limiting block 903 above, the lower surface of the limiting clamping seat 901 arranged on the mounting table 5 is abutted with the upper surface of the limiting block 903 below, the movement stroke of the protection top plate 10 is limited, and a part of soil blocks and stone blocks fall to the guide tables 13 on two sides, and fall downwards under the guide action of the guide surfaces obliquely arranged, so that the accumulation of the soil blocks and the stone blocks on the mounting underframe 3 is reduced.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the above embodiments, descriptions of orientations such as "up", "down", and the like are shown based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A smash-proof device, characterized by being configured to protect a water tank (4) mounted to a bucket (1), wherein a carrying table is mounted on a side of the bucket (1) facing away from a soil surface thereof, the carrying table being for supporting the water tank (4); the anti-smashing device comprises two mounting tables (5), damping springs (8) and a protective top plate (10), wherein the number of the mounting tables (5) is two, the two mounting tables are fixedly arranged on the bearing table at intervals, and the water tank (4) is positioned between the two mounting tables (5); the protection top plate (10) is positioned above the two mounting tables (5), and the damping springs (8) are connected between each mounting table (5) and the protection top plate (10);

the two mounting tables (5) are arranged at intervals along the width direction of the bucket (1); the opposite surfaces of the two mounting tables (5) are provided with clamping grooves (11), the length direction of the clamping grooves (11) extends along the depth direction of the water tank (4), the anti-smashing device further comprises anti-smashing baffles (12), and two sides of each anti-smashing baffle (12) are respectively inserted into the clamping grooves (11) of the two mounting tables (5); the anti-smashing baffle (12) is arranged adjacent to the bucket (1);

every guiding hole (6) have all been seted up on the top of mount table (5), the bottom of protection roof (10) with guiding hole (6) corresponding position department has set firmly guide bar (7), guide bar (7) with guiding hole (6) cooperation, damping spring (8) cover is located guide bar (7).

2. The smashing prevention device according to claim 1, further comprising two groups of limiting assemblies (9), wherein the limiting assemblies (9) are arranged between the protection top plate (10) and the lateral direction of each mounting table (5), each limiting assembly (9) comprises a limiting rod (902), two limiting clamping seats (901) and two limiting blocks (903), one limiting clamping seat (901) is fixedly arranged on the protection top plate (10), the other limiting clamping seat (901) is fixedly arranged on the mounting table (5), two limiting clamping seats (901) are respectively penetrated through two ends of each limiting rod (902), and two limiting blocks (903) are respectively fixedly arranged at two penetrating-out ends of each limiting rod (902).

3. The smashing prevention device according to claim 1, further comprising a forward guard plate (16), wherein the forward guard plate (16) is opposite to the smashing prevention guard plate (12), and the forward guard plate (16) is detachably connected to the mounting table (5); the water tank (4) is positioned between the forward guard plate (16) and the anti-smashing baffle plate (12).

4. A smash-proof device according to claim 3, characterized in that a connecting seat (15) is fixedly arranged on one surface of each mounting table (5) adjacent to the water tank (4), a threaded hole is formed in the connecting seat (15), a connecting through hole is formed in a position of the forward guard plate (16) corresponding to the threaded hole, the smash-proof device further comprises a connecting screw (17), and the connecting screw (17) penetrates through the connecting through hole to be screwed with the threaded hole.

5. The smashing prevention device according to claim 1, further comprising a guiding table (13), wherein the guiding table (13) is fixedly connected with the bearing table, and a guiding surface is arranged on the top surface of the guiding table (13); the guide surface extends obliquely downwards in a direction away from the soil surface of the bucket (1).

6. The anti-smash device according to claim 1, wherein the top surface of the protective top plate (10) is ridge-shaped.

7. A bulldozer characterized by comprising a machine body, a bucket (1), a water tank (4) and the anti-smashing device according to any one of claims 1 to 6, wherein the bucket (1) is mounted on the machine body, the water tank (4) is arranged on a bearing table of the bucket (1), and the anti-smashing device is fixedly arranged on the bearing table through a mounting table (5).

8. Bulldozer according to claim 7, in which said carrying platform comprises two cross arms (2) and a mounting frame (3) fixedly connected to two cross arms (2), said two cross arms (2) being arranged at intervals along the width direction of said bucket (1), said mounting frame (3) being fixedly connected to the top ends of two cross arms (2).