CN212244884U

CN212244884U - Unloading device

Info

Publication number: CN212244884U
Application number: CN202020333823.7U
Authority: CN
Inventors: 李洋; 陈冠昊; 乔锋; 杜世龙
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-12-29
Anticipated expiration: 2030-03-17

Abstract

The utility model relates to an unloading device, which comprises a mobile cart and a conveying device; the conveying device comprises two rows of telescopic vertical rods which are symmetrically arranged, conveying rods which are arranged between the two rows of telescopic vertical rods at intervals and rhombic telescopic devices which are respectively fixed at two ends of the conveying rods; the conveying rod is rotatably provided with idler wheels, the rhombic expansion device comprises a plurality of rhombic supports which are sequentially connected together and can be transversely stretched, each rhombic support comprises four framework frames and four hinge points for hinging the adjacent framework frames, the conveying rod penetrates through the hinge point at the top end of each rhombic support, and the hinge points at two sides of each rhombic support are respectively used for hinging the rhombic supports adjacent to the rhombic support; the bottom of a telescopic vertical rod of the conveying device, which is close to the moving cart, is arranged on the moving cart. The utility model discloses application scope is wide, can adjust conveyer's length, when article transport, need not plus power, and is more energy-concerving and environment-protective.

Description

Unloading device

Technical Field

The utility model relates to a commodity circulation transportation field, concretely relates to discharge devices.

Background

Along with the rapid development of logistics industry, a large amount of articles are required to be transported, the traditional unloading mode mainly adopts manual transmission, the labor cost is high, the danger coefficient is large, and the efficiency is low. The emerging unloading device is mainly driven by a motor and drives a conveyor belt device to move the goods position. Although the efficiency is improved, the use cost is high and the maintenance is difficult. In the work, area is big, and inconvenient the removal can not change according to the space is little in a flexible way, can not recycle between the warehouse.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a flexible structure, article transmit convenient, practice thrift the energy consumption, the discharge devices of being convenient for accomodate.

The utility model provides a technical scheme that its technical problem adopted does: it comprises a mobile cart and a conveying device;

the conveying device comprises two rows of telescopic vertical rods which are symmetrically arranged, conveying rods which are arranged between the two rows of telescopic vertical rods at intervals and rhombic telescopic devices which are respectively fixed at two ends of the conveying rods; the telescopic vertical rods of each row are arranged at intervals and the number of the telescopic vertical rods is more than 2, the conveying rods are rotatably provided with idler wheels, the rhombic expansion device comprises a plurality of rhombic brackets which are sequentially connected together and can be transversely stretched, each rhombic bracket comprises four skeleton frames and four hinge points for hinging the adjacent skeleton frames, the conveying rods penetrate through the hinge points at the top ends of the rhombic brackets, and the hinge points at the two sides of each rhombic bracket are respectively used for hinging the rhombic brackets adjacent to the rhombic bracket;

the bottom of a telescopic vertical rod of the conveying device, which is close to the moving cart, is arranged on the moving cart.

Further, every the below of conveying pole all is provided with a stiffener, the stiffener rigid coupling is on the skeleton frame of rhombus support.

Furthermore, a chute is arranged at the hinged point at the top of the diamond-shaped support and is positioned on a framework frame at the upper part of the diamond-shaped support, the conveying rod penetrates through the chute, and a spring is arranged between the conveying rod and the reinforcing rod.

Furthermore, the rhombic support also comprises a V-shaped framework plate with a downward pointed end, and two ends of the top of the V-shaped framework plate are respectively hinged to two framework frames on the upper part of the rhombic support.

Furthermore, a telescopic guardrail is detachably arranged between every two adjacent telescopic vertical rods and is positioned above the conveying rod;

the telescopic guardrail comprises folding units which are sequentially hinged together, the number of the folding units is more than 2, and each folding unit comprises two hinged folding plates and a rotating wheel which is rotatably arranged between the two folding plates.

Further, the bottoms of the other telescopic vertical rods in the conveying device are provided with suckers for grabbing the ground.

Furthermore, a supporting cross rod is further arranged between the two rows of telescopic vertical rods, and two ends of the supporting cross rod are respectively arranged on the two telescopic vertical rods which are symmetrically arranged.

Furthermore, a correlation grating is arranged above the conveying rod and close to the position of the mobile cart, and the bottoms of the correlation gratings are arranged on two symmetrically arranged telescopic vertical rods;

the mobile cart is provided with a weighing platform, an LED screen and a power supply for supplying power to the weighing platform and the LED screen respectively, and the LED screen is electrically connected with the correlation grating and the weighing platform respectively.

Furthermore, the movable trolley comprises an L-shaped trolley framework, trolley rollers with brakes arranged at the bottom of a flat plate of the trolley framework, and handles and buffer cushions respectively arranged on two sides of a vertical plate of the trolley framework;

the weighing platform is arranged on a flat plate of the vehicle framework through a telescopic rod of the weighing platform;

the LED screen is arranged on the upper part of a vertical plate of the vehicle frame through an LED screen telescopic rod;

the vertical plate and the weighing platform of the vehicle frame are respectively positioned on two sides of the cushion pad.

Further, the roller comprises a bearing sleeved on the conveying rod, a triangular support rotatably arranged on the periphery of the bearing, and rotating wheels rotatably arranged at three ends of the triangular support respectively.

The utility model has the advantages that:

1. the utility model discloses application scope is wide, can increase and decrease the quantity of flexible pole setting according to the transportation distance of article, and then adjustment conveyer's length has overcome the drawback that current conveyer belt transfer mode can not change the transportation distance.

2. The utility model discloses when article transportation, need not plus power, only need rely on the gravity of transmission thing itself to accomplish the transmission, it is more energy-concerving and environment-protective.

3. The utility model discloses the structure is nimble, and the rhombus telescoping device plays will the utility model discloses merge and the function of opening, when not using, merge flexible pole setting together, during the use, pull flexible pole setting and transport, from this, the utility model discloses be convenient for accomodate, can recycle.

4. Along with the rapid development of logistics industry, a large amount of articles are required to be transported, the traditional unloading mode mainly adopts manual transmission, the labor cost is high, the danger coefficient is large, and the efficiency is low.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention in use;

FIG. 2 is a schematic view of the overall structure of the utility model during storage;

FIG. 3 is a schematic view of the conveyor of the present invention when deployed;

fig. 4 is a schematic structural view of the telescopic guardrail of the present invention;

fig. 5 is a schematic structural view of the mobile cart of the present invention;

FIG. 6 is a schematic structural view of the upper chute of the diamond support of the present invention;

fig. 7 is a schematic structural view of a roller in embodiment 2 of the present invention;

FIG. 8 is a side view of the overall structure of the present invention in use;

FIG. 9 is a top view of the overall structure of the present invention in use;

fig. 10 is a side view of the present invention when stowed;

fig. 11 is a side view of the inventive delivery device when deployed;

fig. 12 is a side view of the folding unit of the present invention;

fig. 13 is a top view of the folding unit of the present invention;

fig. 14 is a schematic diagram of the position of the spring according to the present invention;

fig. 15 is a schematic view of the position of the driving rod in the chute after the cargo is received by the present invention;

fig. 16 is a schematic structural view of a clamping block and a clamping groove in embodiment 1 of the present invention;

in the figure: 1. the device comprises a mobile cart, a cart framework 1-1, a weighing platform 1-2, cart rolling wheels 1-3, handles 1-4, a power supply 1-5, an LED screen 1-6, clamping grooves 1-7, reinforcing rods 2, telescopic vertical rods 3, clamping blocks 3-1, conveying rods 4, rhombic supports 5, V-shaped framework plates 5-1, inclined grooves 6, springs 7, telescopic guardrails 8, folding units 9, folding plates 9-1, rotating wheels 9-2, supporting cross rods 10, an opposite-shooting grating 11, cushion pads 12, sucking discs 13 and rolling wheels 14.

Detailed Description

The present invention is further described in detail with reference to the following examples, but the scope of the present invention is not limited thereto, and the scope of the claims is set forth in the claims.

As shown in fig. 1-15, the present invention provides an unloading device, which comprises a mobile cart 1 and a conveying device; one end of the conveying device is connected with the movable trolley 1, the conveying device is used for conveying articles, and the movable trolley 1 is used for receiving the conveyed articles by the conveying device.

The conveying device comprises two rows of telescopic vertical rods 3 which are symmetrically arranged, conveying rods 4 which are arranged between the two rows of telescopic vertical rods 3 at intervals and rhombic telescopic devices which are used for fixing two ends of each conveying rod 4 respectively;

the telescopic vertical rods 3 are of telescopic structures and can be raised or lowered as required, the number of the telescopic vertical rods 3 in each row of the telescopic vertical rods 3 is more than or equal to 2, the telescopic vertical rods 3 are arranged at intervals,

two rows of telescopic vertical rods 3 are in one-to-one correspondence and are symmetrically distributed.

The conveying rod 4 is provided with the rollers 14, the number of the rollers 14 is more than or equal to 1, and the rollers 14 are rotatably arranged on the conveying rod 4, so that when conveyed articles are conveyed on the conveying rod 4, the rollers 14 roll, friction is reduced, and conveying efficiency is improved.

The diamond-shaped telescopic device comprises a plurality of diamond-shaped supports 5 which are sequentially connected together and can be transversely stretched, and the number of the diamond-shaped supports 5 is more than or equal to one. Every the rhombus support 5 includes four skeleton frames and four pin joints with adjacent skeleton frame hinge, and four skeleton frames form tetragonal shape, and four pin joints are up respectively, down and the orientation left and right sides direction, follow horizontal direction pulling rhombus support 5 like this, and rhombus support 5 is tensile, contracts rhombus support 5 along the horizontal direction, and rhombus support 5 retrieves. Each hinge point at the top end of the diamond-shaped support 5 is provided with a transmission rod 4 in a penetrating way, the hinge points at two sides of the diamond-shaped support 5 are respectively used for being hinged with the adjacent diamond-shaped support 5, namely the hinge points of the diamond-shaped support 5 towards the left and right directions are respectively used for being connected with the adjacent diamond-shaped support 5. This results in a plurality of diamond-shaped stents 5 being sequentially hinged to achieve simultaneous stretching or retraction.

The bottom that is close to the flexible pole setting 3 that removes shallow 1 among the conveyer sets up remove shallow 1 is last, preferably, the bottom that is close to the flexible pole setting 3 that removes shallow 1 among the conveyer is in through the key-type connection setting remove shallow 1 is last, realizes conveyer and the being connected of removing shallow 1 from this, the utility model discloses during the use, two rows of flexible pole settings 3 interval certain distance distribute, and what the quantity of flexible pole setting 3 depends on the distance of article transmission, can increase the quantity of flexible pole setting 3 according to transmission distance's length in a flexible way. The movable cart 1 is a receiving position of an article, the movable cart 1 extends to a discharging position of the article, the height of the telescopic vertical rod 3 is adjusted, the telescopic vertical rod 3 at the discharging position is made to be the highest, the height of the telescopic vertical rod 3 on the movable cart 1 is the lowest, the height of the telescopic vertical rod 3 from the discharging position to the position of the movable cart 1 is gradually reduced, the conveying rod 4 of the conveying device is made to be in a slope shape, the height of the telescopic vertical rod 3 can be adjusted, and when the article is conveyed, the article is promoted to be conveyed to the movable cart 1 through the rolling of the idler wheels 14 by utilizing the self gravity. Before conveying articles, hinge points on the left side and the right side of a diamond support 5 of the diamond telescopic device are respectively stretched towards two sides, so that the conveying device is outwards extended, the bottom of a telescopic vertical rod 3 close to a movable trolley 1 is fixed on the movable trolley 1, and the bottoms of the other telescopic vertical rods 3 are fixed on the ground through suckers 13.

After the transmission is accomplished, with flexible pole setting 3 amalgamation, the pin joint of the 5 left and right sides of rhombus support of rhombus telescoping device folds to the centre respectively, places the rhombus telescoping device after will amalgamating the shrink at last and accomodates on removing shallow 1, removes shallow 1 and can remove, can with the utility model discloses the device removes appointed accommodating place, convenient flexibility, and the range of application is wide.

Further, every the below of conveying pole 4 all is provided with a stiffener 2, stiffener 2 rigid coupling is on the skeleton frame of diamond-shaped support 5. Preferably, the reinforcing rods 2 are fixedly connected to the framework frame of the upper half of the diamond-shaped support 5, and each reinforcing rod 2 is arranged on the right upper framework frame of the diamond-shaped support 5 corresponding to the reinforcing rod 2.

Further, the hinge point at the top of the diamond-shaped support 5 is provided with a chute 6, the chute 6 is located on a framework frame at the upper part of the diamond-shaped support 5, each diamond-shaped support 5 is provided with a chute 6, the conveying rod 4 passes through the chute and can slide in the chute 6, a spring 7 is arranged between the conveying rod 4 and the reinforcing rod 2, the number of the springs 7 is more than or equal to 1, preferably 3, and as can be seen from fig. 4, when the number of the springs 7 is 3, the springs are respectively located at the position where the conveying rod 4 is close to the two ends and the middle position of the conveying rod 4.

When the transfer bar 4 is not carrying the article, the transfer bar 4 is located at the top end of the chute 6 by the elastic force of the spring 7, and when the transfer bar 4 is carrying the article, the gravity of the article makes the transfer bar 4 slide down, i.e. the transfer bar 4 is moved

The pole 4 moves down at chute 6, causes the contained angle that goods and conveying rod 4 formed to diminish like this, and the gliding power of the skeleton frame direction along the diamond-shaped support of increase goods makes bearing that article can be better, firm on conveying rod 4 like this, improves transmission quality and efficiency.

Furthermore, the rhombic support 5 further comprises a V-shaped frame plate 5-1, the pointed end of the frame plate 6 faces downwards, and two ends of the top of the V-shaped frame plate 5-1 are respectively hinged to two frame frames on the upper portion of the rhombic support 5, so that the strength is increased.

Furthermore, a detachable telescopic guardrail 8 is arranged between two adjacent telescopic vertical rods 3, and the telescopic guardrail 8 is positioned above the conveying rod 4; preferably, the telescopic guardrail 8 is inserted in the telescopic vertical rod 3 and can be conveniently installed or detached.

The number of the telescopic guardrails 8 is more than one, and the telescopic guardrails can be adjusted as required, so that conveyed articles can be prevented from being separated from the conveying device, and a barrier effect is achieved. The rotating wheel 9-2 plays a role in reducing the friction force, so that the articles can be conveyed smoothly. In order to achieve both cost and effect, the telescopic guard rails 8 may be additionally provided at positions away from the mobile cart 1, and the telescopic guard rails 8 may not be provided at positions close to the mobile cart 1.

The telescopic guardrail 8 comprises folding units 9 which are sequentially hinged together, the number of the folding units 9 is more than 2, and each folding unit 9 comprises two folding plates 9-1 which are hinged together and a rotating wheel 9-2 which is rotatably arranged between the two folding plates 9-1. The turning wheel 9-2 is arranged towards the direction of the transfer bar 4. On the two folding plates 9-1 of one folding unit 9, one end of each folding plate 9-1 is hinged with the folding plate 9-1 of the other folding unit 9, while the other end is provided with a wheel 9-2 of the folding unit 9. When each folding unit 9 is completely unfolded, the two folding plates 9-1 form an angle of 180 degrees, when each folding unit 9 is completely folded and contracted, the two folding plates 9-1 are attached together, and when in use, the folding unit 9 is in a V shape as shown in fig. 1 in most cases.

Furthermore, in each folding unit 9, two hinged folding plates 9-1 are respectively provided with an installation groove 9-9 matched with the rotating wheel 9-2, the rotating center of the rotating wheel 9-2 is located at the hinged position of the two folding plates 9-1, and the rotating wheel 9-2 is arranged in the two installation grooves 9-9.

Further, the bottoms of the other telescopic vertical rods 3 in the conveying device are provided with suction cups 13 for gripping the ground.

Further, a supporting cross rod 10 is further arranged between the two rows of telescopic vertical rods 3, and two ends of the supporting cross rod 10 are respectively arranged on the two telescopic vertical rods 3 which are symmetrically arranged. The supporting cross rod 10 plays a role in increasing the strength and the stability of the whole device, and the supporting cross rod 10 is positioned below the telescopic vertical rod 3.

Furthermore, a correlation grating 11 is arranged above the conveying rod 4 and close to the position of the mobile cart 1, and the bottoms of the correlation grating 11 are arranged on the two symmetrically-arranged telescopic vertical rods 3. The correlation grating 11 is used for counting the conveyed articles, so that the intelligent degree of the device is achieved, the workload of manual counting of operators is reduced, and the accuracy is improved.

The mobile cart 1 is provided with a weighing platform 1-2, an LED screen 1-6 and a power supply 1-5, the power supply 1-5 supplies power to the weighing platform 1-2 and the LED screen 1-6, the LED screen 1-6 is respectively electrically connected with a correlation grating 11 and the weighing platform 1-2, a power supply device is integrated in the correlation grating 11, the LED screen 1-6 is electrically connected with the correlation grating 11 to count the transported goods, the obtained data is displayed on the LED screen 1-6, the connection of the LED screen 1-6 and the correlation grating 11 belongs to the prior art, the LED screen 1-6 and the weighing platform 1-2 are electrically connected in a connecting mode which belongs to the prior art, the LED screen 1-6 displays the weighing quantity of the weighing platform 1-2 to the goods, and the LED screen displays the weight and the quantity of the transported goods, the user can see the product at a glance.

Further, the movable trolley 1 comprises an L-shaped trolley framework 1-1, trolley rollers 1-3 with brakes arranged at the bottom of a flat plate of the trolley framework 1-1, and handles 1-4 and buffer cushions 12 which are respectively arranged on two sides of a vertical plate of the trolley framework 1-1; the vehicle frame 1-1 comprises a flat plate of the vehicle frame 1-1 which is horizontally arranged and a vertical plate of the vehicle frame 1-1 which is vertically arranged on the flat plate of the vehicle frame 1-1.

The weighing platform 1-2 is arranged on a flat plate of the vehicle framework 1-1 through a telescopic rod, so that the weighing platform can move up and down, and the structure is more flexible;

the LED screens 1-6 are arranged on the upper parts of the vertical plates of the vehicle frame 1-1 through the LED screen telescopic rods, the LED screens 1-6 can move up and down, and the structure is more flexible;

the vertical plate of the vehicle frame 1-1 and the weighing platform 1-2 are respectively positioned at two sides of the cushion pad 12. The cushion 12 is used for cushioning conveyed articles.

The trolley rollers 1-3 are trolley rollers with brakes.

Further, the damping coefficient of the rollers 14 on the transport bar 4 close to the mobile cart 1 is higher than the damping coefficient of the rollers 14 on the transport bar 4 far from the mobile cart 1. The roller 14 with high damping coefficient has higher friction force, plays a role of buffering, reduces the diving speed of conveyed articles, and prevents the articles from being damaged due to too high descending speed of the articles.

Further, flexible pole setting 3 is extending structure, and its implementation mode has the multiple, for example implementation mode 1 includes first pole setting and suit for flexible pole setting 3 just be located the second pole setting of second pole setting top in the first pole setting, be provided with the first locating hole and the second locating hole of looks adaptation in first pole setting and the second pole setting respectively, first locating hole and second locating hole pass through bolted connection and are in the same place.

For example, the implementation mode 2 includes first vertical rod and a sleeve for the telescopic vertical rod 3, the second vertical rod is arranged on the first vertical rod and positioned above the second vertical rod, the first positioning hole and the second positioning hole are respectively arranged on the first vertical rod and the second vertical rod, the spring buckle is arranged on the second vertical rod and is matched with the first positioning hole, and the flexible vertical height adjustment of the first vertical rod and the second vertical rod is realized through the clamping effect of the spring buckle on the first positioning hole.

Further, still be provided with the scale that is used for discerning the height on the flexible pole setting 3, the more accurate control of people of being convenient for and the height of the flexible pole setting 3 of adjustment.

In fig. 1-3, the horizontal lines shown from top to bottom between two opposite gratings 11 simulate signal lines emitted between two opposite gratings 11.

The utility model discloses in, conveying pole 4 adopts flexible material, can bend, from this, the utility model discloses the conveyer of device wholly can bend, realizes bend transportation goods, and this is that prior art such as conveyer belt conveying can't be realized, the utility model discloses application scope is wide.

The utility model discloses in lie in two rows of flexible pole settings 3 on the mobile cart 1 and also be the flexible pole setting 3 detachable of conveying buffering part and set up on the mobile cart 1, as shown in fig. 16, the bottom that lies in flexible pole setting 3 on the mobile cart 1 is provided with joint piece 3-1, be provided with on the flat board of the car skeleton 1-1 of mobile cart 1 with the joint groove 1-7 of joint piece 3-1 looks adaptation, through joint piece 3-1 joint on joint groove 1-7, realize the connection of flexible pole setting 3 and mobile cart 1.

The utility model discloses can regard as and divide into the three: a moving cart section, a transfer buffer section, and a transfer section.

The movable trolley part comprises a movable trolley 1, and the transmission buffer part comprises a telescopic vertical rod 3 arranged on the movable trolley 1, and a corresponding transmission rod 4 and a rhombic bracket 5 which are connected with the telescopic vertical rod 3. The conveying section comprises the remaining telescopic uprights 3 set on the ground and their corresponding conveying rods 4 and rhombic carriages 5.

The overall structure of the transfer buffer section and the transfer section are similar, with the difference that: 1, the setting positions of the telescopic vertical rods are different; 2. the damping coefficient of the material of the roller 14 on the transfer bar 4 is different.

The utility model discloses a conveyer can be regarded as having a plurality of conveying unit to terminate or connect around saying so and form, and the pin joint through 5 both sides of diamond support is rather than 5 hinges of adjacent diamond support during the connection to realize conveyer's extension.

Each transfer unit is shown in fig. 4 and comprises two pairs of symmetrically arranged transfer unit telescopic uprights 3, transfer rods 4 and rhombic supports 5. The number of the conveying units can be increased or reduced at will according to actual needs, and the requirements on the conveying length and space are met. Therefore, the utility model discloses the structure is nimble, and application scope is wide, has actual spreading value.

Example 2

The roller 14 of this embodiment 2 includes a bearing 14-1 sleeved on the transmission rod 4, a triangular bracket 14-2 rotatably disposed on the periphery of the bearing 14-1, and rotating wheels 14-3 rotatably disposed at three ends of the triangular bracket 14-2, respectively. The rotation flexibility of the roller 14 is increased, and the goods can be better pushed to move.

The utility model has the advantages that:

4. The utility model discloses a conveyer wholly can be crooked, realizes bend transportation goods, adapts to warehouse environment, and this is that prior art such as conveyer belt can't realize, satisfies the actual demand.

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. An unloading device, characterized in that: it comprises a mobile cart (1) and a conveying device;

the conveying device comprises two rows of telescopic vertical rods (3) which are symmetrically arranged, conveying rods (4) which are arranged between the two rows of telescopic vertical rods (3) at intervals and rhombic telescopic devices which are respectively fixed at two ends of the conveying rods (4); the telescopic vertical rods (3) in each row are arranged at intervals and the number of the telescopic vertical rods is more than 2, the conveying rods (4) are rotatably provided with idler wheels (14), the rhombic telescopic device comprises a plurality of rhombic supports (5) which are sequentially connected together and can be transversely stretched, each rhombic support (5) comprises four framework frames and four hinged points for hinging the adjacent framework frames, the conveying rods (4) penetrate through the hinged points at the top ends of the rhombic supports (5), and the hinged points at two sides of each rhombic support (5) are respectively used for being hinged with the adjacent rhombic supports (5);

the bottom of a telescopic vertical rod (3) of the conveying device, which is close to the moving cart (1), is arranged on the moving cart (1).

2. A discharge device according to claim 1, wherein: every the below of conveying pole (4) all is provided with a stiffener (2), stiffener (2) rigid coupling is on the skeleton frame of diamond-shaped support (5).

3. A discharge device according to claim 2, wherein: the hinge point department at rhombus support (5) top is provided with chute (6), chute (6) are located a skeleton frame on rhombus support (5) upper portion, conveying rod (4) pass chute (6), are provided with spring (7) between conveying rod (4) and stiffener (2).

4. A discharge device according to claim 1, wherein: the rhombic support (5) further comprises a V-shaped frame plate (5-1) with a downward pointed end, and two ends of the top of the V-shaped frame plate (5-1) are hinged to two frame frames on the upper portion of the rhombic support (5) respectively.

5. A discharge device according to claim 1, wherein: a telescopic guardrail (8) is detachably arranged between every two adjacent telescopic vertical rods (3), and the telescopic guardrail (8) is positioned above the conveying rod (4);

the telescopic guardrail (8) comprises folding units (9) which are sequentially hinged together, the number of the folding units (9) is more than 2, and each folding unit (9) comprises two hinged folding plates (9-1) and a rotating wheel (9-2) which is rotatably arranged between the two folding plates (9-1).

6. A discharge device according to claim 1, wherein: and suction cups (13) for gripping the ground are arranged at the bottoms of the other telescopic vertical rods (3) in the conveying device.

7. A discharge device according to claim 1, wherein: a supporting cross rod (10) is further arranged between the two rows of telescopic vertical rods (3), and two ends of the supporting cross rod (10) are respectively arranged on the two telescopic vertical rods (3) which are symmetrically arranged.

8. A discharge device according to claim 1, wherein:

a correlation grating (11) is arranged above the conveying rod (4) and close to the mobile cart (1), and the bottoms of the correlation gratings (11) are arranged on two symmetrically-arranged telescopic vertical rods (3);

the LED screen is characterized in that a weighing platform (1-2), an LED screen (1-6) and a power supply (1-5) for respectively supplying power to the weighing platform (1-2) and the LED screen (1-6) are arranged on the movable cart (1), and the LED screen (1-6) is respectively and electrically connected with the grating mirror (11) and the weighing platform (1-2).

9. An unloading device as claimed in claim 8, wherein: the movable trolley (1) comprises an L-shaped trolley framework (1-1), trolley rollers (1-3) with brakes, which are arranged at the bottom of a flat plate of the trolley framework (1-1), and handles (1-4) and buffer cushions (12), which are respectively arranged on two sides of a vertical plate of the trolley framework (1-1);

the weighing platform (1-2) is arranged on a flat plate of the vehicle framework (1-1) through a telescopic rod of the weighing platform;

the LED screens (1-6) are arranged on the upper parts of vertical plates of the vehicle frame (1-1) through LED screen telescopic rods;

the vertical plate of the vehicle frame (1-1) and the weighing platform (1-2) are respectively positioned at two sides of the cushion pad (12).

10. A discharge device according to claim 1, wherein:

the roller (14) comprises a bearing (14-1) sleeved on the conveying rod (4), a triangular support (14-2) rotatably arranged on the periphery of the bearing (14-1), and rotating wheels (14-3) respectively rotatably arranged at three ends of the triangular support (14-2).