A loader with high shovel capacity

Abstract

The application relates to the technical field of engineering machinery, in particular to a loader with high shoveling capacity, which comprises a loader body; a mechanical arm is connected with a bucket on the frame of the loader body; a compaction mechanism is arranged on the side wall of the bucket; the compaction mechanism comprises a pressing plate one, a belt wheel one, a belt wheel two and a belt wheel three; a supporting plate is fixedly connected with the wall body at the opening of the bucket; rotating shafts one are fixedly connected with the two sides of the pressing plate one, and the rotating shafts one are rotationally connected with the side wall of the supporting plate; the belt wheel one is sleeved and fixedly connected with the rotating shafts one; the pressing plate two is rotationally connected with the supporting plate on the other side of the wall body at the opening of the bucket through rotating shafts two; the pressing plate one and the pressing plate two realize compaction of the soil in the bucket, and the pressing plate one and the pressing plate two are arranged at the opening of the bucket, so that the phenomenon that the soil in the bucket falls off during movement of the loader body can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engineering machinery, and particularly relates to a loader with high shoveling capacity. BACKGROUND

[0002] The loader is a large mechanical equipment, which can be used for shoveling earth, sand and other materials, and is widely used in the field of construction.

[0003] The existing loader generally comprises a vehicle body and a bucket, and the loader shovels earth by using the bucket, and when conveying, the earth is easy to fall from the bucket in the process of moving the bucket due to the loose earth; therefore, the loader with high shoveling capacity is proposed for the above problems. SUMMARY

[0004] In order to make up for the deficiency of the prior art, solve the problem that the earth is easy to fall from the bucket in the process of moving the bucket due to the loose earth when the loader shovels earth by using the bucket and conveying, the present application provides a loader with high shoveling capacity.

[0005] The technical scheme adopted by the present application to solve the technical problems is as follows: the loader with high shoveling capacity comprises a loader body; a bucket is connected to the rack of the loader body through a mechanical arm; a compaction mechanism is arranged on the side wall of the bucket; the compaction mechanism comprises a pressing plate one, a pulley one, a pulley two and a pulley three; a support plate is fixedly connected to the wall body at the opening of the bucket; a rotating shaft one is fixedly connected to the two sides of the pressing plate one, and the rotating shaft one is rotatably connected to the side wall of the support plate; the pulley one is sleeved and fixedly connected to the rotating shaft one; a pressing plate two is rotatably connected to the support plate on the other side of the wall body at the opening of the bucket through a rotating shaft two; the pulley two is sleeved and fixedly connected to the rotating shaft two; a rotating shaft three is rotatably connected to the outer side wall of the bucket; the pulley three is sleeved and fixedly connected to the rotating shaft three; two pulley grooves are arranged on the outer wall of the pulley three; the pulley one and the pulley three are connected through a belt one, and the belt one is crossed; the pulley two and the pulley three are connected through a belt two; when working, the loader body drives the mechanical arm, and the earth is shovelled by using the bucket; when the bucket is filled with earth, the motor is started, the motor drives the rotating shaft three to rotate, the rotating shaft three drives the pulley three to rotate, the pulley one produces rotation in the opposite direction of the pulley three through the action of the belt one, the rotating shaft one drives the pressing plate one to rotate, the pulley two produces rotation in the same direction of the pulley three through the connection of the belt two, the pressing plate one and the pressing plate two realize compaction of the earth in the bucket when the pulley three produces counterclockwise rotation, and the pressing plate one and the pressing plate two block the opening of the bucket, which can avoid the phenomenon that the earth in the bucket falls in the process of moving the loader body.

[0006] Preferably, the outer side wall of the bucket is fixed with a protective shell, and the pulley one, pulley two and pulley three are located inside the protective shell; the outer side wall of the protective shell is fixed with a motor, and the output shaft of the motor is fixed with the rotating shaft three; during operation, the protective shell can prevent the soil from adhering to the surface of the pulley one, pulley two, pulley three, belt one and belt two, thereby not affecting the normal movement of the pulley one, pulley two, pulley three, belt one and belt two, and the setting of the protective shell also facilitates the installation of the motor.

[0007] Preferably, the mechanical arm is composed of a first rod and a second rod; the first rod is hinged to the side wall of the bucket; the second rod is hinged to the frame of the loader body; one end of the second rod is provided with a first hole; one end of the first rod is fixed with a sliding rod; the sliding rod is slidingly connected in the first hole, and the sliding rod and the first hole are further connected through a spring one; during operation, when the bucket is subjected to a large impact, the impact force will be transmitted to the mechanical arm, at this time the sliding rod at the end of the first rod will slide in the first hole at the end of the second rod, and the spring one will be squeezed, having a good buffering effect and reducing the damage caused by external force impact to the bucket.

[0008] Preferably, the pressing plate one and the pressing plate two are composed of a rectangular plate and a sharp tooth; a plurality of sharp teeth are provided, and the sharp teeth are uniformly fixed on one side of the rectangular plate; during operation, by fixing a plurality of sharp teeth on one side of the pressing plate one, the bucket can break large soil blocks when scooping up soil, thereby facilitating the collection of soil in the bucket.

[0009] Preferably, an exhaust pipe is arranged on the loader body, a purification box is arranged on the frame of the loader body at the exhaust pipe; a gas inlet pipe is arranged on one side of the purification box, and the gas inlet pipe is connected with the exhaust pipe; the other side of the purification box is arranged as an opening; an installation groove is arranged on the top of the purification box; an activated carbon filter screen is arranged inside the purification box; a rectangular frame is fixed around the activated carbon filter screen, the rectangular frame penetrates the installation groove, and the bottom of the rectangular frame is in contact with the inner side wall of the bottom of the purification box; during operation, since the engine of the loader body will continuously burn diesel oil during operation, and a large amount of exhaust gas is discharged from the exhaust pipe of the loader body, it is necessary to purify these exhaust gas by passing into the purification box, when the exhaust gas enters the gas inlet pipe of the purification box along the exhaust pipe, it will flow through the activated carbon filter screen, realizing the filtration of the polluting gas in the exhaust gas, thereby reducing the pollution of the exhaust gas to the environment.

[0010] Preferably, the inner wall of the mounting groove is provided with a slot; the rectangular frame is internally provided with a cavity, and two sliding plates are symmetrically arranged in the cavity; the sliding plate is fixedly connected with a plug rod on one side, and the plug rod between the sliding plate and the inner wall of the cavity is sleeved with spring two; the top of the rectangular frame is provided with a strip-shaped groove; two strip-shaped plates are symmetrically arranged in the strip-shaped groove; the bottom of the strip-shaped plate is fixedly connected to the top of the sliding plate; during operation, the activated carbon filter screen needs to be replaced in time to ensure the filtering effect of the tail gas, when installing the activated carbon filter screen, first make the two strip-shaped plates move towards each other, so that spring two is compressed, and the end of the plug rod is flush with the outer side wall of the rectangular frame, then insert the rectangular frame into the mounting groove, and make the bottom of the rectangular frame contact with the inner side wall of the bottom of the purification tank, then loosen the two strip-shaped plates, due to the elastic force of spring two, the plug rod will quickly return to the initial position, and the plug rod will be inserted into the slot, thereby achieving the installation of the activated carbon filter screen.

[0011] Preferably, the sliding plate and the cavity are in sliding fit; the strip-shaped plate and the strip-shaped groove are in sliding fit; during operation, when the two strip-shaped plates slide in the strip-shaped groove, the two sliding plates will also slide in the cavity, so that the plug rod is inserted into the slot or the plug rod is separated from the slot.

[0012] Preferably, the outer surface of the tine is provided with a wear-resistant layer, and the wear-resistant layer is made of epoxy resin, graphite powder and quartz powder; during operation, the wear-resistant layer is arranged on the surface of the tine, which increases the wear-resistant effect of the tine, and the tine is not easy to be damaged after spraying hard objects such as stones, which is beneficial to improve the service life of the tine.

[0013] The present application has the advantages of:

[0014] 1. The present application sets up a compaction mechanism, when the bucket is filled with soil, the motor drives the pulley three to rotate, and through the action of the belt one around the belt two, the pressing plate one and the pressing plate two can realize the compaction of the soil in the bucket, and the pressing plate one and the pressing plate two block the opening of the bucket, which can avoid the phenomenon that the soil in the bucket falls during the movement of the loader body.

[0015] 2. The present application sets up a purification tank, when the tail gas enters the inlet pipe of the purification tank along the exhaust pipe, it will flow through the activated carbon filter screen to filter the polluting gas in the tail gas, thereby reducing the pollution of the tail gas to the environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only need to be some embodiments of the present application, and for ordinary skilled in the art, other drawings can be obtained without creative labor.

[0017] Figure 1 The overall structure of the embodiment one is shown in the figure.

[0018] Figure 2 The structure of the compaction mechanism in the embodiment one is shown in the figure.

[0019] Figure 3 The side structure of the bucket in the embodiment one is shown in the figure.

[0020] Figure 4 The structure of the pressing plate one in the embodiment one is shown in the figure.

[0021] Figure 5 The structure of the belt wheel three in the embodiment one is shown in the figure.

[0022] Figure 6 The cross-sectional structure of the purification box in the embodiment one is shown in the figure.

[0023] Figure 7 The Figure 6 The local enlarged view of the area A in the embodiment one is shown in the figure.

[0024] Figure 8 The figure of the embodiment two is shown in the figure.

[0025] In the figure: 1, loader body; 2, mechanical arm; 3, bucket; 4, pressing plate one; 5, belt wheel one; 6, belt wheel two; 7, belt wheel three; 8, support plate; 9, rotating shaft one; 10, rotating shaft two; 11, pressing plate two; 12, rotating shaft three; 13, belt one; 14, belt two; 15, protective shell; 16, motor; 17, No. 1 rod; 18, No. 2 rod; 19, sliding rod; 20, spring one; 21, rectangular plate; 22, tine; 23, exhaust pipe; 24, purification box; 25, air inlet pipe; 26, activated carbon filter screen; 27, rectangular frame; 28, sliding plate; 29, insertion rod; 30, spring two; 31, strip plate; 32, anti-sticking layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0027] Embodiment One

[0028] Please refer to Figures 1-7 As shown in the figure, a loader with strong shoveling capacity, comprising a loader body 1; a mechanical arm 2 is connected to the frame of the loader body 1 through a mechanical arm 2; a side wall of the bucket 3 is provided with a compaction mechanism; the compaction mechanism comprises a pressing plate one 4, a pulley one 5, a pulley two 6 and a pulley three 7; the opening wall of the bucket 3 is fixedly connected with a support plate 8; the two sides of the pressing plate one 4 are fixedly connected with a rotating shaft one 9, and the rotating shaft one 9 is rotatably connected to the side wall of the support plate 8; the pulley one 5 is sleeved and fixedly connected to the rotating shaft one 9; the other side of the opening wall of the bucket 3 is rotatably connected with a pressing plate two 11 through a rotating shaft two 10 on the support plate 8; the pulley two 6 is sleeved and fixedly connected to the rotating shaft two 10; the outer side wall of the bucket 3 is rotatably connected with a rotating shaft three 12; the pulley three 7 is sleeved and fixedly connected to the rotating shaft three 12; the outer wall of the pulley three 7 is provided with two pulley grooves; the pulley one 5 and the pulley three 7 are connected through a belt one 13, and the belt one 13 is crossed; the pulley two 6 and the pulley three 7 are connected through a belt two 14; when working, when the loader body 1 drives the mechanical arm 2 and uses the bucket 3 to shovel earth, when the bucket 3 is full of earth, the motor 16 is started to drive the rotating shaft three 12 to rotate, and then the rotating shaft three 12 drives the pulley three 7 to rotate, and through the action of the belt one 13, the pulley one 5 generates rotation in the opposite direction of the pulley three 7, and then the rotating shaft one 9 drives the pressing plate one 4 to rotate, and the pulley two 6 is connected through the belt two 14 to make the pulley two 6 generate rotation in the same direction as the pulley three 7, when the pulley three 7 generates counterclockwise rotation, the pressing plate one 4 and the pressing plate two 11 realize compaction of the earth in the bucket 3, and the pressing plate one 4 and the pressing plate two 11 block the opening of the bucket 3, which can avoid the phenomenon of earth falling in the bucket 3 during the movement of the loader body 1.

[0029] The outer side wall of the bucket 3 is fixedly connected with a protective shell 15, and the pulley one 5, the pulley two 6 and the pulley three 7 are located inside the protective shell 15; the outer side wall of the protective shell 15 is fixedly connected with a motor 16, and the output shaft of the motor 16 is fixedly connected with the rotating shaft three 12; when working, the protective shell 15 can avoid the earth outside adhering to the surface of the pulley one 5, the pulley two 6, the pulley three 7, the belt one 13 and the belt two 14, so as not to affect the normal movement of the pulley one 5, the pulley two 6, the pulley three 7, the belt one 13 and the belt two 14, and the setting of the protective shell 15 also facilitates the installation of the motor 16.

[0030] Said mechanical arm 2 is composed of a first rod 17 and a second rod 18; said first rod 17 is hinged on the side wall of the bucket 3; said second rod 18 is hinged on the frame of the loader body 1; one end of said second rod 18 is provided with a first hole; one end of said first rod 17 is fixedly connected with a sliding rod 19; said sliding rod 19 is slidingly connected in the first hole, and further connected with the first hole through a spring I 20; during operation, when the bucket 3 is subjected to a larger impact, the impact force will be transmitted to the mechanical arm 2, at this time, the sliding rod 19 at the end of the first rod 17 will slide in the first hole at the end of the second rod 18, and press the spring I 20, thus having a better buffering effect and reducing the damage of external force impact to the bucket 3.

[0031] Said pressing plate I 4 and pressing plate II 11 are composed of a rectangular plate 21 and a plurality of tines 22; said tines 22 are uniformly fixedly connected on one side of the rectangular plate 21; during operation, by fixedly connecting a plurality of tines 22 on one side of the pressing plate I 4, the bucket 3 can break large soil blocks when scooping up the soil, thus facilitating the soil into the bucket 3.

[0032] Said loader body 1 is provided with an exhaust pipe 23, and the frame of the loader body 1 is provided with a purification box 24 at the exhaust pipe 23; one side of said purification box 24 is provided with an air inlet pipe 25, and the air inlet pipe 25 is connected with the exhaust pipe 23; the other side of said purification box 24 is provided with an opening; the top of said purification box 24 is provided with a mounting groove; the inside of said purification box 24 is provided with an activated carbon filter screen 26; a rectangular frame 27 is fixedly connected around said activated carbon filter screen 26, said rectangular frame 27 penetrates through the mounting groove, and the bottom of the rectangular frame 27 is in contact with the inner side wall of the bottom of the purification box 24; during operation, since the engine of the loader body 1 will continuously burn diesel oil during operation, and a large amount of exhaust gas is discharged from the exhaust pipe 23 of the loader body 1, it is necessary to purify these exhaust gas by passing into the purification box 24, when the exhaust gas enters the air inlet pipe 25 of the purification box 24 along the exhaust pipe 23, it will flow through the activated carbon filter screen 26, thus realizing the filtration of the polluting gas in the exhaust gas, thereby reducing the pollution of the exhaust gas to the environment.

[0033] The inner wall of the installation groove is provided with a slot; the interior of the rectangular frame 27 is provided with a cavity, and two sliding plates 28 are symmetrically arranged in the cavity; one side of the sliding plate 28 is fixedly connected with a plug rod 29, and the plug rod 29 between the sliding plate 28 and the inner wall of the cavity is sleeved with a spring 30; the top of the rectangular frame 27 is provided with a strip-shaped groove; two strip-shaped plates 31 are symmetrically arranged in the strip-shaped groove; the bottom of the strip-shaped plate 31 is fixedly connected to the top of the sliding plate 28; during operation, the activated carbon filter screen 26 needs to be replaced in time to ensure the filtering effect on the tail gas; when the activated carbon filter screen 26 is installed, first make the two strip-shaped plates 31 move towards each other, so that the spring 30 is compressed, and the end of the plug rod 29 is flush with the outer side wall of the rectangular frame 27; at this time, the rectangular frame 27 is inserted into the installation groove, and the bottom of the rectangular frame 27 is in contact with the inner side wall of the bottom of the purification tank 24; at this time, the two strip-shaped plates 31 are loosened; due to the elastic force of the spring 30, the plug rod 29 will quickly return to the initial position, and the plug rod 29 will be inserted into the slot, thereby achieving the installation of the activated carbon filter screen 26.

[0034] The sliding plate 28 and the inner cavity are in sliding fit; the strip-shaped plate 31 and the strip-shaped groove are in sliding fit; during operation, when the two strip-shaped plates 31 slide in the strip-shaped groove, the two sliding plates 28 will also slide in the cavity, so that the plug rod 29 is inserted into the slot or the plug rod 29 is separated from the slot.

[0035] The outer surface of the tine 22 is provided with a wear-resistant layer, and the wear-resistant layer is made of epoxy resin, graphite powder and quartz powder; during operation, by providing the wear-resistant layer on the surface of the tine 22, the wear-resistant effect of the tine 22 is increased, and the tine 22 is not easy to be damaged after spraying hard objects such as stones, which is conducive to improving the service life of the tine 22.

[0036] Example two

[0037] Please refer to Figure 8 As another embodiment of the present application, the inner wall of the bucket 3 is provided with an anti-sticking layer 32, and the anti-sticking layer 32 is made of polytetrafluoroethylene material; during operation, when the adhesion of the soil is large, the inner wall of the bucket 3 will adhere a large amount of soil, which is difficult to clean; by providing the anti-sticking layer 32 on the inner wall of the bucket 3, the soil is prevented from adhering to the inside of the bucket 3, thereby facilitating the cleaning of the inner wall of the bucket 3.

[0038] Working principle: when the loader body 1 passes through the driving mechanical arm 2, and utilizes the shovel 3 to shovel, when the shovel 3 is full of mud, by starting the motor 16, so that the motor 16 drives the rotating shaft three 12 to rotate, in turn makes the rotating shaft three 12 drive the pulley three 7 to rotate, through the action of the belt one 13, makes the pulley one 5 produce the rotation in the opposite direction with the pulley three 7, in turn through the rotating shaft one 9 drives the pressing plate one 4 to rotate, and the pulley two 6 is connected through the belt two 14, will make the pulley two 6 produce the rotation with the pulley three 7 in the same direction, when the pulley three 7 produces the counterclockwise rotation, the pressing plate one 4 and the pressing plate two 11 realize the compaction of the mud in the shovel 3, and the pressing plate one 4 and the pressing plate two 11 block the opening of the shovel 3, can avoid the phenomenon that the mud in the shovel 3 falls in the process that the loader body 1 moves;When the shovel 3 is impacted by a larger impact, the impact force will be transmitted to the mechanical arm 2, at this time, the slide rod 19 at the end of the first rod 17 will slide in the first hole at the end of the second rod 18, and extrude the spring one 20, which has good buffering effect, reduces the damage of external force impact on the shovel 3;By fixing a plurality of tines 22 on one side of the pressing plate one 4, the shovel 3 can break large soil blocks when shoveling, thereby facilitating the entry of mud into the shovel 3.

[0039] Since the loader body 1 is working, its engine will continuously burn diesel, and the exhaust pipe 23 of the loader body 1 discharges a large amount of exhaust gas, which needs to be purified by passing into the purification tank 24, when the exhaust gas enters the inlet pipe 25 of the purification tank 24 along the exhaust pipe 23, it will flow through the activated carbon filter screen 26, realizing the filtration of the polluted gas in the exhaust gas, thereby reducing the pollution of the exhaust gas to the environment;The activated carbon filter screen 26 needs to be replaced in time to ensure the filtering effect of the exhaust gas, when installing the activated carbon filter screen 26, first make the two strip plates 31 produce opposite motion, make the spring two 30 produce compression, and make the end of the plug rod 29 flush with the outer side wall of the rectangular frame 27, at this time, insert the rectangular frame 27 into the installation slot, and make the bottom of the rectangular frame 27 contact with the inner side wall of the bottom of the purification tank 24, at this time, loosen the two strip plates 31, due to the elastic force of the spring two 30, the plug rod 29 will quickly return to the initial position, and the plug rod 29 will be inserted into the insertion slot, thereby achieving the installation of the activated carbon filter screen 26.

[0040] The loader body in the design adopts China three-stage emission standard, is equipped with electric control high pressure common rail national three engine, the engine is longitudinally arranged, is equipped with special split double variable of Xugong group and special steel wheel, is equipped with high and low speed, the transmission shaft is arranged in the middle, four wheel drive, full hydraulic steering, lightweight working device. The overall height of the machine is less than or equal to 2990mm, the passability is good, the power is strong, the efficiency of shoveling is high, the long wheelbase (2650mm) design is adopted, which is suitable for various super heavy working conditions, has strong environmental adaptability and stability, and the stability in the industry is better.

[0041] The above-mentioned front, back, left, right, up and down are all based on the drawings of the specification Figure 2 Take the person's observation angle as the standard, the side of the device facing the observer is defined as front, the left side of the observer is defined as left, and the like.

[0042] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in an appropriate manner.

[0043] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A high capacity loader characterized by: The loader body (1) is connected with a bucket (3) through a mechanical arm (2) on the frame of the loader body (1); a compaction mechanism is arranged on the side wall of the bucket (3); the compaction mechanism comprises a pressing plate (4), a pulley (5), a pulley (6) and a pulley (7); a support plate (8) is fixedly connected to the wall body at the opening of the bucket (3); a rotating shaft (9) is fixedly connected to the side wall of the support plate (8) on both sides of the pressing plate (4); the rotating shaft (9) is sleeved and fixedly connected to the rotating shaft (9); the pulley (6) is sleeved and fixedly connected to the rotating shaft (2); the pulley (7) is sleeved and fixedly connected to the rotating shaft (3); the outer wall of the pulley (7) is provided with two pulley grooves; the pulley (5) and the pulley (7) are connected through a belt (13), and the belt (13) is crossed; the pulley (6) and the pulley (7) are connected through a belt (14).

2. A loader having high shovel capacity according to claim 1, characterized in that: The outer wall of the bucket (3) is fixedly connected with a protective shell (15), and the pulley (5), the pulley (6) and the pulley (7) are located inside the protective shell (15); the outer wall of the protective shell (15) is fixedly connected with a motor (16), and the output shaft of the motor (16) is fixedly connected with the rotating shaft (3).

3. A loader having high shovel capacity according to claim 2, characterized in that: The mechanical arm (2) is composed of a first rod (17) and a second rod (18); the first rod (17) is hinged to the side wall of the bucket (3); the second rod (18) is hinged to the frame of the loader body (1); one end of the second rod (18) is provided with a first hole; one end of the first rod (17) is fixedly connected with a sliding rod (19); the sliding rod (19) is slidingly connected in the first hole, and the sliding rod (19) and the first hole are further connected through a spring (20).

4. A loader having high shovel capacity according to claim 3, characterized in that: The pressing plate (4) and the pressing plate (11) are composed of a rectangular plate (21) and a sharp tooth (22); a plurality of sharp teeth (22) are arranged, and the sharp teeth (22) are fixedly connected to one side of the rectangular plate (21).

5. A loader having high shovel capacity according to claim 4, characterized in that: An exhaust pipe (23) is arranged on the loader body (1), and a purification box (24) is arranged on the frame of the loader body (1) at the exhaust pipe (23); an air inlet pipe (25) is arranged on one side of the purification box (24), and the air inlet pipe (25) is connected with the exhaust pipe (23); the other side of the purification box (24) is provided with an opening; an installation groove is arranged on the top of the purification box (24); an activated carbon filter screen (26) is arranged in the purification box (24); a rectangular frame (27) is fixedly connected around the activated carbon filter screen (26), the rectangular frame (27) penetrates the installation groove, and the bottom of the rectangular frame (27) is in contact with the inner side wall of the bottom of the purification box (24).

6. A loader having high shovel capacity according to claim 5, characterized in that: The inner wall of the mounting groove is provided with a slot; the inside of the rectangular frame (27) is provided with a cavity, and two sliding plates (28) are symmetrically arranged in the cavity; one side of the sliding plate (28) is fixedly connected with a plug rod (29), and the plug rod (29) between the sliding plate (28) and the inner wall of the cavity is sleeved with spring two (30); the top of the rectangular frame (27) is provided with a strip-shaped groove; two strip-shaped plates (31) are symmetrically arranged in the strip-shaped groove; the bottom of the strip-shaped plate (31) is fixedly connected to the top of the sliding plate (28).

7. A loader having high shovel capacity according to claim 6, characterized in that: The sliding plate (28) and the inside of the cavity are in a sliding fit state; the strip-shaped plate (31) and the strip-shaped groove are in a sliding fit state.

8. A loader having high shovel capacity according to claim 7, characterized in that: The outer surface of the tine (22) is provided with a wear-resistant layer, and the wear-resistant layer is made of epoxy resin, graphite powder and quartz powder.

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