CN211686780U

CN211686780U - Self-loading and unloading garbage truck for dumping garbage and preventing splash

Info

Publication number: CN211686780U
Application number: CN202020205756.0U
Authority: CN
Inventors: 张文静; 张兵; 袁凯; 刘�东; 孙勇; 冷雪飞; 朱明�
Original assignee: Chongqing Environment & Sanitation Group Co ltd
Current assignee: Chongqing Environment & Sanitation Group Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-16
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a self-loading and unloading garbage truck for preventing garbage from dumping and splashing, wherein the top of the garbage truck is also provided with an upper cover and a hydraulic oil cylinder, and one side of the garbage truck is hinged with the end part of a discharge opening; a door-shaped frame body is arranged between the upper cover and the discharge opening, the door-shaped frame body comprises a beam and two rotating arms, the lower ends of the rotating arms are hinged with the top of the garbage truck, and the upper ends of the two rotating arms are respectively fixedly connected with the two ends of the beam; a flexible top cover is covered between the cross beam of the door-shaped frame body and the top of the upper cover, and flexible side covers are covered between the rotating arms at two sides of the door-shaped frame body and two sides of the upper cover; a chain is respectively connected between the two ends of the beam and the upper cover; when the upper cover is in an open state, the top cover and the side covers completely cover the area between the upper door type frame body and the upper cover of the vehicle roof; an overturning space for overturning the garbage can is formed between the door-shaped frame body and the top of the garbage truck. The utility model discloses can avoid the garbage bin to turn over the phenomenon that the garbage in-process was emptyd outward to the bucket, can also reduce the speed that the foul smell leaked.

Description

Self-loading and unloading garbage truck for dumping garbage and preventing splash

Technical Field

The utility model relates to an environmental protection instrument technical field, concretely relates to be used for rubbish to empty splashproof from loading and unloading formula garbage truck.

Background

The self-loading and unloading garbage truck has the advantages of reasonable and compact integral structure design, automation of garbage loading and unloading and high use efficiency, can mechanically and automatically load and unload garbage, realizes sealed transportation of the garbage truck, effectively prevents the pollution of the garbage to people and environment, and improves the carrying efficiency of automobiles.

The working principle of the garbage truck is that the lifting frame on the garbage truck is used for driving a garbage can to be lifted upwards to the turnover frame along a guide rail under the cooperation of a push plate oil cylinder, the turnover frame clamps the garbage can to be lifted together to a limited height and rotates to dump the garbage into a carriage through a discharge opening, an opening with three open sides is formed between the upper cover and the discharge opening after the upper cover of the discharge opening is opened, and during the process that the garbage can dumps towards the discharge opening under the action of the lifting frame and the turnover frame, a part of garbage, especially liquid garbage, in the garbage can dumps onto the upper cover and is in an anti-splashing condition, and the left side and the right side of the upper cover above the discharge opening are in an opening condition with the discharge opening, so that liquid dumps in the garbage can easily splash around the top of the garbage truck in the dumping process, even splashed outside the garbage truck, which affects the urban environment and requires manpower to clean; meanwhile, the opened area of the upper cover is large, a large amount of odor can be generated by fermenting the garbage in the garbage can in the garbage truck, the odor can be diffused quickly, and pedestrians passing by the road can be influenced; in addition, the overturning angle of the traditional upper cover mechanism is about 120 degrees, so that the garbage can be overturned forwards under the action of inertia in the process of overturning the garbage, and under the condition of overweight or unbalanced load of the garbage, the clamping edge surface of the garbage can is easily damaged, and economic loss is caused.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the utility model provides a from loading and unloading formula garbage truck for rubbish is emptyd splashproof, can avoid the garbage bin to overturn the phenomenon that the rubbish in-process appeared rubbish and spattered outward turning over the bucket, can also reduce the speed that the foul smell leaked.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a self-loading and unloading garbage truck for dumping garbage and preventing splash comprises a garbage truck, wherein the top of the garbage truck is provided with a discharge opening, the top of the garbage truck is also provided with an upper cover and a hydraulic oil cylinder, the upper cover is used for opening or closing the discharge opening, and one side of the upper cover is hinged with the end part of the discharge opening; the hydraulic oil cylinder is rotatably connected to the top of the garbage truck and positioned behind the upper cover for controlling the opening and closing of the upper cover, a reversible door-shaped frame body is arranged between the upper cover and the discharge opening, the door-shaped frame body comprises a cross beam and two rotating arms, the lower ends of the rotating arms are hinged with the top of the garbage truck, the hinge point is positioned outside the hinge point of the upper cover and the discharge opening, and the upper ends of the two rotating arms are respectively fixedly connected with the two ends of the cross beam; a flexible top cover is covered between the cross beam of the door-shaped frame body and the top of the upper cover, and flexible side covers are covered between the rotating arms on two sides of the door-shaped frame body and two sides of the upper cover; a chain is respectively connected between the two ends of the cross beam and the upper cover, one end of the chain is fixedly connected to the cross beam, and the other end of the chain is fixedly connected to the upper cover; when the upper cover is in an opening state through a hydraulic oil cylinder, the door-shaped frame body is driven by the chain to rotate by a set angle, the set angle is smaller than 90 degrees, at the moment, the top cover and the side cover are in the opening state, and the area between the door-shaped frame body and the upper cover on the vehicle top is completely covered; an overturning space for overturning the garbage can is formed between the door-shaped frame body and the top of the garbage truck; when the upper cover covers the discharge opening, the door-shaped frame body, the top cover and the side covers naturally lie on the roof under the action of gravity.

When the garbage truck runs to the position of the garbage can, the garbage truck is in use, firstly, in an initial state, the upper cover covers the discharge opening, the door-shaped frame body is horizontally arranged at the top of the garbage truck, the chain is in a loose state, and the overturning space is in a closed state; then an operator controls the hydraulic oil cylinder to drive the upper cover to upwards overturn along one side of the hinge shaft, the upper cover can pull the chain to drive the door-shaped frame body to upwards overturn in the upwards overturning process, the top cover and the side cover are slowly unfolded, after the upper cover is overturned in place, an overturning space for dumping the garbage can is formed between the door-shaped frame body and the top of the garbage truck, the overturning space faces the conveying direction of the garbage can lifted by the garbage loading mechanism, the garbage truck lifts the garbage can to a limited height together through the garbage loading mechanism assembled by the garbage truck, and the garbage truck rotates to dump the garbage into a carriage through the overturning space and then pours the garbage into a discharge port; in the utility model, the door-shaped frame body is pulled by the upper cover through the chain, a triangular framework is formed between the rotating arm in the side cover and the chain on the corresponding side, and a quadrilateral framework is formed between the top edge corresponding to the rotating arm and the chain on the corresponding side, so that the top cover and the side cover are not easy to collapse after being opened, and after the upper cover is opened, the opening between the upper cover and the door-shaped frame body is in a closed state under the protection of the top cover and the side cover, thus compared with the opening formed by the traditional upper cover and the discharge opening, the opening area of the opened upper cover is greatly reduced, because the opening area is reduced, the speed of odor leakage and diffusion in the garbage truck is naturally greatly reduced, and the phenomenon of reverse splashing of the garbage on the inverted upper cover when the garbage is dumped to the discharge opening can be avoided by the top cover and the side cover, the garbage truck has the advantages that sanitation workers do not need to clean the top of the garbage truck regularly, labor waste is reduced, the public environment is protected, and the garbage truck is very convenient to use.

As optimization, two telescopic limiting rods are arranged between the cross beam of the door-shaped frame body and the top of the garbage truck, the two limiting rods are respectively positioned on the left side and the right side of the door-shaped frame body, one end of each limiting rod is rotatably connected with the cross beam, and the other end of each limiting rod is hinged with the top of the garbage truck; when the hydraulic oil cylinder drives the upper cover to overturn to a set angle, the overturning angle of the upper cover is larger than that of the door-shaped frame body, and the limiting rod is in a limit stretching state so that the beam of the door-shaped frame body blocks the garbage can body.

Therefore, the turnover angle of the upper cover is larger than that of the door-shaped frame body, when the upper cover is turned over, the chain is in a loose state at first when the rotating arm of the door-shaped frame body is driven to turn over along the hinge shaft by pulling the chain, when the upper cover is turned over to a certain angle, the chain is straightened to drive the door-shaped frame body to turn over upwards, the turnover angle of the upper cover is generally 120 degrees, and the turnover angle of the door-shaped frame body can be controlled to be about 80 degrees in implementation; by arranging the limiting rod, after the door-shaped frame body is turned in place, the limiting rod limits the turning frame to continue to turn backwards, when the weight of the garbage can is too heavy or the turning angle is too large, the garbage can be in contact with the cross beam of the door-shaped frame body, the cross beam plays a limiting and blocking role on the garbage can, the garbage can is prevented from turning forwards, and the problem that the garbage can turn forwards under the inertia effect in the process of dumping garbage by turning the garbage can due to the fact that the turning angle of the upper cover is too large is solved; the limiting rod can also be replaced by a chain in the specific implementation.

As an optimization, the area of the door-shaped frame body is larger than that of the upper cover, one end of the chain, which is connected with the upper cover, is positioned at the top of the upper cover, the discharge opening is an opening formed by downward sinking of the top of the garbage truck, and when the upper cover and the discharge opening are in a covering state, the door-shaped frame body is higher than the upper cover and is positioned at the top of the garbage truck.

Like this, in order to prevent the phenomenon that the upper cover closes the in-process chain to the upper cover in the lid from appearing, set up the area of door type support body into being greater than the area of upper cover, the one end that chain and upper cover are connected is located the upper cover top in addition, when the upper cover lid closes, the one end of chain is located the top cover, the chain other end is located the door type support body in the upper cover outside, and the door type support body still is higher than the upper cover, the chain can not influence the process of closing of upper cover completely.

As optimization, under the state that the upper cover is opened, the side cover extends towards the direction of the limiting rod, bypasses the side limiting rod and then turns over towards the direction of the limiting rod at the other side to form a flanging cover, and the extended side cover completely covers the area between the limiting rod and the side edge of the upper cover; the connecting point of the limiting rod and the top of the garbage truck is located at the front of the discharge opening and close to the inner side, and the flanging cover is used for reducing the section size of the overturning space so that the section size of the overturning space is matched with the space size required by the overturning process of the garbage can.

Like this, through the turn-ups cover that sets up on the side cover, the turn-ups cover can increase the cover protection area of side cover, the rubbish that makes the garbage bin empty is more difficult for the spill, the tie point at gag lever post and garbage truck top is located discharge opening the place ahead simultaneously and leans on the inboard, the turn-ups cover can be used for controlling the opening size in upset space, the garbage bin is at the in-process through the upset space like this, can guarantee that the garbage bin can pass through the upset space, and can make the gap between garbage bin ladle body and the upset space less again, the probability that has reduced rubbish spatters outward and the speed that the foul smell leaked, thereby make the process of empting of garbage bin environmental protection more.

Preferably, the side cover is made of corrugated materials, and when the upper cover covers the discharge opening, the side cover of the door-shaped frame body can be folded at the top of the garbage truck along the crease of the side cover.

Therefore, the side cover is made of the flexible corrugated material, when the upper cover is covered, the side cover can be folded according to the fixed crease, the occupied volume of the side cover can be reduced, and the side cover is not easy to influence the covering process of the upper cover.

Preferably, the top cover, the side cover and the flanging cover are integrally formed.

To sum up, the beneficial effects of the utility model reside in that: the door-shaped frame body is pulled by the chains, triangular frameworks are formed between the rotating arms in the side covers and the upper cover side edges of the corresponding sides of the rotating arms and the chains of the corresponding sides, quadrilateral frameworks are formed between the cross beams in the top covers and the top edges corresponding to the upper covers and between the two chains, so that the top covers and the side covers are not easy to collapse after being unfolded, and after the upper covers are unfolded, openings between the upper covers and the door-shaped frame body are in a closed state under the protection of the top covers and the side covers, so that compared with openings formed by the traditional upper covers and the discharge openings, the opening area of the upper covers after being unfolded is greatly reduced, the odor in the garbage truck is naturally and greatly reduced in diffusion speed due to the fact that the opening area is reduced, meanwhile, the phenomenon that the garbage is splashed on the upper covers when the garbage can be dumped to the discharge opening can be avoided by the top covers and the side covers, sanitation workers do not need to regularly clean the top of the garbage truck, the labor waste is reduced, the public environment is protected, and the use is very convenient.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

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

FIG. 2 is a schematic structural view of the upper cover of FIG. 1;

FIG. 3 is a side view of FIG. 2;

fig. 4 is an external structural view of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Reference numerals in the drawings of the specification include: garbage truck 1, rubbish loading mechanism 2, upper cover 3, discharge opening 4, hydraulic cylinder 5, door type support body 6, chain 7, gag lever post 8, upset space 9, crossbeam 10, swinging boom 11, side cover 12, overhead guard 13, turn-ups cover 14.

In the specific embodiment, the splash-proof self-loading and unloading garbage truck for dumping garbage is shown in fig. 1 to 4 and comprises a garbage truck 1, wherein a discharge opening 4 is formed in the top of the garbage truck 1, an upper cover 3 and a hydraulic oil cylinder 5 are further arranged on the top of the garbage truck 1, the upper cover 3 is used for opening or closing the discharge opening 4, and one side of the upper cover is hinged with the end part of the discharge opening 4; the hydraulic oil cylinder 5 is rotatably connected to the top of the garbage truck 1 and is positioned behind the upper cover 3 to control the opening and closing of the upper cover 3, a reversible door-shaped frame body 6 is arranged between the upper cover 3 and the discharge opening 4, the door-shaped frame body 6 comprises a cross beam 10 and two rotating arms 11, the lower ends of the rotating arms 11 are hinged with the top of the garbage truck 1, the hinged point is positioned outside the hinged point of the upper cover 3 and the discharge opening 4, and the upper ends of the two rotating arms 11 are respectively fixedly connected with the two ends of the cross beam 10; a flexible top cover 13 is covered between the beam 10 of the door-shaped frame body 6 and the top of the upper cover 3, and flexible side covers 12 are covered between the rotating arms 11 at two sides of the door-shaped frame body 6 and two sides of the upper cover 3; a chain 7 is respectively connected between the two ends of the beam 10 and the upper cover 3, one end of the chain 7 is fixedly connected to the beam 10, and the other end is fixedly connected to the upper cover 3; when the upper cover 3 is in an open state through the hydraulic oil cylinder 5, the door-shaped frame body 6 is driven by the chain 7 to rotate for a set angle, the set angle is smaller than 90 degrees, at the moment, the top cover 13 and the side cover 12 are in an open state and fully cover the area between the door-shaped frame body 6 and the upper cover 3 on the vehicle top; an overturning space 9 for overturning the garbage can is formed between the door-shaped frame body 6 and the top of the garbage truck 1; when the upper cover 3 covers the discharge opening 4, the door-shaped frame body 6, the top cover 13 and the side covers 12 naturally lie on the roof under the action of gravity.

In the use of the utility model, when the garbage truck 1 runs to the position of the garbage can, firstly, under the initial state, the upper cover 3 covers the discharge opening 4, the door-shaped frame body 6 is horizontally arranged at the top of the garbage truck 1, the chain 7 is in the loose state, and the turning space 9 is in the closed state; then an operator controls the hydraulic oil cylinder 5 to enable the hydraulic oil cylinder 5 to drive the upper cover 3 to upwards overturn along one side of the hinge shaft, the chain 7 can be pulled to drive the door-shaped frame body 6 to upwards overturn in the upwards overturning process of the upper cover 3, the top cover 13 and the side cover 12 are slowly unfolded, after the upper cover 3 is overturned in place, an overturning space 9 for dumping the garbage can is formed between the door-shaped frame body 6 and the top of the garbage truck 1, the overturning space 9 faces the conveying direction of the garbage can lifted by the garbage loading mechanism 2, and the garbage truck 1 can lift the garbage can to a limited height together through the garbage loading mechanism 2 assembled by the garbage loading mechanism and rotate to dump the garbage into the discharge port 4 through the overturning space 9 to a carriage; in the utility model, the door-shaped frame body 6 is pulled by the upper cover 3 through the chain 7, the triangular framework is formed between the rotating arm 11 in the side cover 12, the side edge of the upper cover 3 at the corresponding side of the rotating arm 11 and the chain 7 at the corresponding side, the quadrilateral framework is formed between the crossbeam 10 in the top cover 13, the top edge corresponding to the upper cover 3 and the two chains 7, thus the top cover 13 and the side cover 12 are not easy to collapse after being opened, and when the upper cover 3 is opened, the opening between the upper cover 3 and the door-shaped frame body 6 is in a closed state under the cover of the top cover 13 and the side cover 12, thus compared with the opening formed by the traditional upper cover 3 and the discharge opening 4, the open area after the upper cover 3 is opened is greatly reduced, because the open area is reduced, the speed of odor leakage diffusion in the garbage truck 1 is naturally greatly reduced, meanwhile, the top cover 13 and the side cover 12 can avoid the garbage bin from dumping garbage to the discharge opening 4, the phenomenon of back splash appears on the rubbish inversion upper cover 3, and sanitation workers do not need to regularly clean the top of the garbage truck 1, so that the labor waste is reduced, the public environment is protected, and the garbage truck is very convenient to use.

In a specific embodiment, two telescopic limiting rods 8 are arranged between the cross beam 10 of the door-shaped frame body 6 and the top of the garbage truck 1, the two limiting rods 8 are respectively positioned at the left side and the right side of the door-shaped frame body 6, one end of each limiting rod 8 is rotatably connected with the cross beam 10, and the other end of each limiting rod 8 is hinged with the top of the garbage truck 1; when hydraulic cylinder 5 drives upper cover 3 and overturns to the settlement angle, the rotation angle of upper cover 3 is greater than the rotation angle of door type support body 6, and gag lever post 8 is in limit stretching state so that crossbeam 10 of door type support body 6 blocks the garbage bin ladle body.

Thus, the turning angle of the upper cover 3 is larger than that of the door-shaped frame body 6, when the upper cover 3 is turned, the chain 7 is in a loose state at first when the rotating arm 11 of the door-shaped frame body 6 is driven to turn along the hinge shaft by pulling the chain 7, when the upper cover 3 is turned to a certain angle, the chain 7 is straightened to drive the door-shaped frame body 6 to turn upwards, the turning angle of the upper cover 3 is generally 120 degrees, and the turning angle of the door-shaped frame body 6 can be controlled to be about 80 degrees in implementation; by arranging the limiting rod 8, after the door-shaped frame body 6 is turned in place, the limiting rod 8 limits the turning frame to continue to turn backwards, when the weight of the garbage can is too heavy or the turning angle is too large, the garbage can be in contact with the cross beam 10 of the door-shaped frame body 6, the cross beam 10 plays a limiting and blocking role on the garbage can, the garbage can is prevented from turning forwards, and the problem that the garbage can turn forwards under the inertia effect in the process of dumping garbage by the turning over of the garbage can due to the fact that the turning angle of the upper cover 3 is too large is solved; in the specific embodiment, the limiting rod 8 can be replaced by a chain 7.

In a specific embodiment, the area of the door-shaped frame body 6 is larger than that of the upper cover 3, one end of the chain 7 connected with the upper cover 3 is located at the top of the upper cover 3, the discharge opening 4 is an opening formed by downward sinking of the top of the garbage truck 1, and when the upper cover 3 and the discharge opening 4 are in a covering state, the door-shaped frame body 6 is higher than the upper cover 3 and is located at the top of the garbage truck 1.

Like this, in order to prevent that upper cover 3 from closing the phenomenon that in-process chain 7 exists and block upper cover 3 at the lid, set up the area of door type support body 6 to be greater than the area of upper cover 3, and the one end that chain 7 and upper cover 3 are connected is located the upper cover 3 top, when the lid 3 lid is fashionable, the one end of chain 7 is located the top cap, the chain 7 other end is located the door type support body 6 in the upper cover 3 outside, and door type support body 6 still is higher than upper cover 3, the process of closing of upper cover 3 can not influenced by chain 7 completely.

In a specific embodiment, in an open state of the upper cover 3, the side cover 12 extends towards the limiting rod 8, and turns over towards the limiting rod 8 on the other side after bypassing the limiting rod 8 on the side to form a flanging cover 14, and the extended side cover 12 fully covers the area between the limiting rod 8 and the side edge of the upper cover 3; the connecting point of the limiting rod 8 and the top of the garbage truck 1 is located at the front of the discharge opening 4 and close to the inner side, and the flanging cover 14 is used for reducing the section size of the overturning space 9 so as to enable the section size of the overturning space 9 to be matched with the space size required by the overturning process of the garbage can.

Like this, through the turn-ups cover 14 that sets up on side cover 12, turn-ups cover 14 can increase the cover protection area of side cover 12, make the rubbish that the garbage bin emptys more difficult spill, the tie point at gag lever post 8 and 1 top of garbage truck is located discharge opening 4 the place ahead and leans on the inboard simultaneously, turn-ups cover 14 can be used for controlling the opening size in upset space 9, the garbage bin is at the in-process through upset space 9 like this, can guarantee that the garbage bin can pass through upset space 9, and can make the gap between garbage bin ladle body and the upset space 9 again less, the probability that rubbish splashes outward and the speed that the foul smell leaked have been reduced, thereby make the process of empting of garbage bin more environmental protection.

In the embodiment, the side cover 12 is made of a corrugated material, and when the upper cover 3 is covered on the discharge opening 4, the side cover 12 of the door frame 6 can be folded on the top of the garbage truck 1 along its own fold.

Thus, by making the side cover 12 of flexible corrugated material, when the upper cover 3 is closed, the side cover 12 can be folded according to the fixed crease, the volume occupied by the side cover 12 can be reduced, and the side cover 12 is not easy to influence the closing process of the upper cover 3.

In a specific implementation process, the top cover 13, the side cover 12 and the flanging cover 14 are integrally formed.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A self-loading and unloading garbage truck for dumping garbage and preventing splash comprises a garbage truck, wherein the top of the garbage truck is provided with a discharge opening, the top of the garbage truck is also provided with an upper cover and a hydraulic oil cylinder, the upper cover is used for opening or closing the discharge opening, and one side of the upper cover is hinged with the end part of the discharge opening; hydraulic cylinder rotates to be connected at the garbage truck top and is located the upper cover rear and is used for controlling opening and shutting of upper cover, its characterized in that: a turnover door-shaped frame body is arranged between the upper cover and the discharge opening, the door-shaped frame body comprises a cross beam and two rotating arms, the lower ends of the rotating arms are hinged with the top of the garbage truck, the hinged point is positioned outside the hinged point of the upper cover and the discharge opening, and the upper ends of the two rotating arms are respectively fixedly connected with the two ends of the cross beam; a flexible top cover is covered between the cross beam of the door-shaped frame body and the top of the upper cover, and flexible side covers are covered between the rotating arms on two sides of the door-shaped frame body and two sides of the upper cover; a chain is respectively connected between the two ends of the cross beam and the upper cover, one end of the chain is fixedly connected to the cross beam, and the other end of the chain is fixedly connected to the upper cover; when the upper cover is in an opening state through a hydraulic oil cylinder, the door-shaped frame body is driven by the chain to rotate by a set angle, the set angle is smaller than 90 degrees, at the moment, the top cover and the side cover are in the opening state, and the area between the door-shaped frame body and the upper cover on the vehicle top is completely covered; an overturning space for overturning the garbage can is formed between the door-shaped frame body and the top of the garbage truck; when the upper cover covers the discharge opening, the door-shaped frame body, the top cover and the side covers naturally lie on the roof under the action of gravity.

2. The self-loading and unloading garbage truck for garbage dumping splash protection of claim 1, wherein: two telescopic limiting rods are arranged between the cross beam of the door-shaped frame body and the top of the garbage truck, the two limiting rods are respectively positioned on the left side and the right side of the door-shaped frame body, one end of each limiting rod is rotatably connected with the cross beam, and the other end of each limiting rod is hinged with the top of the garbage truck; when the hydraulic oil cylinder drives the upper cover to overturn to a set angle, the overturning angle of the upper cover is larger than that of the door-shaped frame body, and the limiting rod is in a limit stretching state so that the beam of the door-shaped frame body blocks the garbage can body.

3. A self-loading and unloading garbage truck for garbage dumping splash protection as claimed in claim 2, wherein: the area of door type support body is greater than the upper cover area, the one end that chain and upper cover are connected is located the upper cover top, and the discharge opening is the opening of garbage truck top undercut formation, works as when upper cover and discharge opening are for the lid state of closing, door type support body is higher than the upper cover and is located the garbage truck top.

4. A self-loading and unloading garbage truck for garbage dumping splash protection as claimed in claim 3, wherein: under the state that the upper cover is opened, the side cover extends towards the limiting rod and turns over towards the limiting rod on the other side after passing through the limiting rod on the side to form a flanging cover, and the extended side cover completely covers the area between the limiting rod and the side edge of the upper cover; the connecting point of the limiting rod and the top of the garbage truck is located at the front of the discharge opening and close to the inner side, and the flanging cover is used for reducing the section size of the overturning space so that the section size of the overturning space is matched with the space size required by the overturning process of the garbage can.

5. The self-loading and unloading garbage truck for garbage dumping splash protection of claim 1, wherein: the side cover is made of corrugated materials, and when the upper cover covers the discharge opening, the side cover of the door-shaped frame body can be folded at the top of the garbage truck along the crease of the side cover.

6. The self-loading and unloading garbage truck for garbage dumping splash protection of claim 4, wherein: the top cover, the side cover and the flanging cover are integrally formed.