CN113003126A - A portable conveyor for field - Google Patents

Abstract

The invention provides a portable conveying device for a field, belongs to the technical field of agricultural devices, and is used for solving the problems that agricultural products are difficult and unstable to transport in the field. The device comprises two supporting mechanisms, each supporting mechanism comprises a mounting plate, a rotating shaft is fixed at the end of the mounting plate, two upper supporting frames are rotatably arranged below the mounting plate, a hinge block is fixed above the mounting plate, an adjusting screw is hinged to the hinge block, the end of the adjusting screw is rotatably connected with a connecting column, locking boxes are respectively fixed at two ends of the connecting column, the locking boxes are respectively rotatably arranged on the rotating shaft, two clamping plates are slidably arranged in the locking boxes, threaded columns are rotatably connected to the clamping plates, hand wheels are fixed at the ends of the threaded columns, a buffer mechanism is arranged on the side face of one of the supporting mechanism locking boxes, a sliding rail mechanism is arranged between the two supporting mechanism locking boxes, a carrying mechanism is arranged on the sliding rail mechanism, and supporting columns are; the invention ensures that agricultural products are more convenient and stable to transport in the field.

Description

A portable conveyor for field

Technical Field

The invention belongs to the technical field of agricultural devices, and relates to a portable conveying device for fields.

Background

The transport vehicle is an auxiliary tool for realizing the change of the spatial positions of people and objects, so that the efficiency of the change of the spatial positions of the people and the objects is improved, and the transport vehicle is closely related to the production life of human beings. Therefore, as the rapid development of socioeconomic, the transportation vehicle is utilized in various fields, and the use value of the transportation vehicle can be shown by the wide range of the related fields.

At present, the agricultural also slowly steps into mechanized production, and the use of transport vechicle is exactly one kind and embodies, but still there are various problems in the use of transport vechicle, for example, the removal that current rail transport vechicle was laid in the field is not very convenient, so that the availability factor of transport vechicle reduces, the unstable phenomenon of transportation can appear when using in addition some rail transport vechicles, lead to the agricultural product to drop easily and cause the damage, and then cause unnecessary economic loss, current rail transport vechicle track is inconvenient to transport simultaneously and is laid, the installation is comparatively difficult, it is great to receive the topography to influence, so we have proposed a portable conveyor who is used for the field.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a portable conveying device for fields, which aims to solve the technical problems that: how to make agricultural products more convenient and stable in field transportation.

The purpose of the invention can be realized by the following technical scheme:

a portable conveying device for fields comprises two supporting mechanisms, wherein each supporting mechanism comprises a mounting plate, a rotating shaft is fixed at the end part of each mounting plate, two upper supporting frames are rotatably arranged below each mounting plate, sliding blocks are respectively and slidably arranged on the two upper supporting frames, an adjusting belt is arranged between the two sliding blocks, two three-level lifting screw rods are fixed below each upper supporting frame, a lower supporting frame is fixed below each two three-level lifting screw rods, a hinge block is fixed above each mounting plate, an adjusting screw rod is hinged on each hinge block, the end part of each adjusting screw rod is rotatably connected with a connecting column, locking boxes are respectively fixed at the two ends of each connecting column, each locking box is rotatably arranged on the rotating shaft, two clamping plates are slidably arranged inside each locking box, threaded columns are rotatably connected on the clamping plates, the threaded columns are in threaded connection with the locking boxes, and hand wheels are fixed, a buffer mechanism is arranged on the side face of the locking box of one of the supporting mechanisms, a sliding rail mechanism is arranged between the locking boxes of the two supporting mechanisms, a carrying mechanism is arranged on the sliding rail mechanism, and a supporting column is arranged below the sliding rail mechanism.

The working principle of the invention is as follows: placing two supporting mechanisms at positions to be transmitted, adjusting the distance between two lower supporting frames, driving three-level lifting screws to move by the lower supporting frames, driving upper supporting frames to move by the three-level lifting screws, adjusting sliding blocks to proper positions, connecting the sliding blocks at the same side by an adjusting belt, adjusting a mounting plate to proper height, adjusting the height of the two three-level lifting screws by rotating the three-level lifting screws to keep the mounting plate stable, adjusting the angle of a locking box by rotating the adjusting screws, inserting two ends of a sliding rail mechanism into the locking box at corresponding positions, rotating a hand wheel, driving a threaded column to rotate by the hand wheel, driving a clamping plate to move by the threaded column so as to lock the sliding rail mechanism, fixing the supporting column below the sliding rail mechanism, placing a carrying mechanism filled with goods on the sliding rail mechanism, moving the carrying mechanism from one end of the sliding rail mechanism to the other end, buffering the carrying mechanism, and then taking down the carrying mechanism to finish the cargo transportation.

The sliding rail mechanism comprises a plurality of first assemblies and a plurality of second assemblies, the first assemblies and the second assemblies are identical in structure and symmetrical to each other, the first assemblies and the second assemblies are connected in an end-to-end sliding mode, the first assemblies comprise two first sliding rails, two first supporting plates are fixed between the two first sliding rails, a plurality of first sliding columns are fixed on the side faces of the two first sliding rails, a first connecting plate is fixed at one end of each of the two first sliding rails, the first connecting plate is L-shaped, a first sliding groove and two first sliding grooves are formed in the inner side of the first connecting plate, the first sliding grooves are communicated with the first sliding grooves, first clamping blocks are fixed on the two first connecting plates, first clamping grooves are formed under the two first sliding rails, and the other ends of the two first sliding rails are fixed between the two clamping plates in corresponding positions.

The structure more than adopting, put into the locking incasement portion that should position with the other end of first slide rail, first spout and first chute can lock with the cooperation of second sliding column, and first draw-in groove and the cooperation of second fixture block lock facilitate the connection.

The second assembly comprises two second slide rails, two second support plates are fixed between the two second slide rails, a plurality of second sliding columns are fixed on the side faces of the two second slide rails, one ends of the two second slide rails are abutted to the first connecting plate, second clamping grooves are formed in the lower portions of the two second slide rails, the second clamping grooves are locked with the first clamping blocks in a clamping mode, the second sliding columns are arranged inside the first inclined grooves in a sliding mode, a second connecting plate is fixed to the other ends of the two second slide rails, the second connecting plate is L-shaped, a second sliding groove and two second inclined grooves are formed in the side face of the second connecting plate, a second clamping block is fixed on the second connecting plate, and the second connecting plate is fixed between the two clamping plates in the corresponding position.

Structure more than adopting aligns the second slide rail the top of first slide rail, promotes the second slide rail, and the second slide rail drives the inside that the second slip post slided first spout, later slides the inside of first chute with the second slip post, and second draw-in groove and first fixture block joint are locked, accomplish the connection.

The buffer mechanism comprises a pressing plate, fixing plates are fixed at two ends of the pressing plate respectively, the two fixing plates are fixed on the side faces of the locking boxes at corresponding positions respectively, a damper and two spring sleeve rods are fixed on the side faces of the pressing plate, buffer plates are fixed at the end portions of the damper and the two spring sleeve rods, and the buffer plates are located above the first sliding rail and the second sliding rail.

Structure more than adopting, on the delivery mechanism struck the buffer board, the buffer board drove attenuator and two spring loop pole contractions, and two spring loop pole absorb the kinetic energy of impact, and the attenuator prevents that the spring loop pole from kick-backing fast to avoid the delivery mechanism to empty.

The carrying mechanism comprises a bottom plate, a plurality of moving wheels are fixed below the bottom plate, the moving wheels are rotatably arranged above the first slide rail and the second slide rail, a collecting box is clamped above the bottom plate, an installing frame is fixed above the collecting box, convoluted cloth rolls are arranged inside the installing frame, a pulling rod is fixed at the end of the convoluted cloth rolls, and a spring stop block is arranged above the installing frame.

Structure more than adopting, pulling the pulling rod, the pulling rod drives the batching that circles round and rotates, will pull the rod and put the tip at the installing frame, and the spring dog carries on spacingly to cover the batching in the top of installing frame, the goods drops when avoiding transporting.

Compared with the prior art, the portable conveying device for the field has the following advantages:

1. the buffer mechanism is matched with the carrying mechanism, so that the kinetic energy of the collecting box impacting the buffer plate can be absorbed, and meanwhile, the coiled cloth can cover the upper part of the mounting frame, so that the agricultural products are more stably transported in the field, and the agricultural products are prevented from falling to cause damage;

2. the supporting mechanism is matched with the sliding rail mechanism, and the first assembly and the second assembly can be spliced end to end, so that the transportation rail can be conveniently and rapidly laid, meanwhile, the height of the rail can be adjusted, and the influence of the terrain on the laying is avoided;

3. the slide rail mechanism is matched with the first assembly and the second assembly, can be quickly disassembled and folded, is convenient to transport, and improves portability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a perspective view of the support mechanism of the present invention;

FIG. 3 is a schematic perspective view of the folded slide rail mechanism of the present invention;

FIG. 4 is an exploded view of the slide rail mechanism of the present invention;

FIG. 5 is a schematic perspective view of a damper mechanism according to the present invention;

FIG. 6 is a schematic perspective view of the carrying mechanism of the present invention;

in the figure: 1-supporting mechanism, 101-hinge block, 102-adjusting screw, 103-connecting column, 104-threaded column, 105-handwheel, 106-clamping plate, 107-lower support frame, 108-three-level lifting screw, 109-sliding block, 110-adjusting belt, 111-rotating shaft, 112-upper support frame, 113-locking box, 114-mounting plate, 2-sliding rail mechanism, 201-first sliding rail, 202-first sliding column, 203-first supporting plate, 204-first connecting plate, 205-first chute, 206-first chute, 207-first clamping block, 208-first clamping groove, 209-second chute, 210-second sliding column, 211-second sliding rail, 212-second clamping groove, 213-second supporting plate, 214-second connecting plate, 215-second chute, 216-second fixture block, 3-buffer mechanism, 301-spring loop bar, 302-damper, 303-pressing plate, 304-fixing plate, 305-buffer plate, 4-carrying mechanism, 401-convoluted cloth, 402-pulling rod, 403-spring stop block, 404-collecting box, 405-moving wheel, 406-bottom plate and 5-supporting column.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, the embodiment provides a portable conveying device for use in fields, which includes two supporting mechanisms 1, each supporting mechanism 1 includes a mounting plate 114, a rotating shaft 111 is fixed at an end of the mounting plate 114, two upper supporting frames 112 are rotatably arranged below the mounting plate 114, sliding blocks 109 are slidably arranged on the two upper supporting frames 112, an adjusting belt 110 is arranged between the two sliding blocks 109, two three-level lifting screws 108 are fixed below the upper supporting frames 112, lower supporting frames 107 are fixed below the two three-level lifting screws 108, a hinge block 101 is fixed above the mounting plate 114, an adjusting screw 102 is hinged on the hinge block 101, an end of the adjusting screw 102 is rotatably connected with a connecting column 103, locking boxes 113 are fixed at both ends of the connecting column 103, the locking boxes 113 are rotatably arranged on the rotating shaft 111, two clamping plates 106 are slidably arranged inside the locking boxes 113, the clamp plate 106 is rotatably connected with a threaded column 104, the threaded column 104 is in threaded connection with locking boxes 113, a hand wheel 105 is fixed at the end part of the threaded column 104, a buffer mechanism 3 is arranged on the side surface of the locking box 113 of one support mechanism 1, a sliding rail mechanism 2 is arranged between the locking boxes 113 of the two support mechanisms 1, a carrying mechanism 4 is arranged on the sliding rail mechanism 2, and a support column 5 is arranged below the sliding rail mechanism 2; placing two supporting mechanisms 1 at positions to be transmitted, adjusting the distance between two lower supporting frames 107, driving a three-level lifting screw 108 to move by the lower supporting frames 107, driving an upper supporting frame 112 to move by the three-level lifting screw 108, adjusting a sliding block 109 to a proper position, connecting the sliding block 109 on the same side by an adjusting belt 110, adjusting a mounting plate 114 to a proper height, rotating the three-level lifting screw 108 to adjust the height of the two three-level lifting screws 108 to keep the mounting plate 114 stable, rotating the adjusting screw 102 to adjust the angle of a locking box 113 to make the two supporting mechanisms 1 not be as high, taking the supporting mechanism 1 provided with a buffer mechanism 3 as a terminal point, being shorter, taking the other supporting mechanism 1 as a starting point, being higher, inserting two ends of a slide rail mechanism 2 into the locking box 113 at corresponding positions, rotating a hand wheel 105, driving a threaded column 104 to rotate by the hand wheel 105, driving a, thereby locking slide rail mechanism 2, fixing support column 5 in slide rail mechanism 2's below, putting the carrying mechanism 4 that will fill with the goods on slide rail mechanism 2, carrying mechanism 4 because the action of gravity, from the supporting mechanism 1 of starting point, roll the supporting mechanism 1 that moves to the terminal point, buffer gear 3 cushions carrying mechanism 4, later takes off carrying mechanism 4, accomplishes the freight.

The slide rail mechanism 2 comprises a plurality of first components and a plurality of second components, the first components and the second components have the same structure and are mutually symmetrical, the first components and the second components are alternately distributed, the first component is connected with the adjacent second component in an end-to-end sliding manner, the first component comprises two first sliding rails 201, two first supporting plates 203 are fixed between the two first sliding rails 201, a plurality of first sliding columns 202 are fixed on the side surfaces of the two first sliding rails 201, a first connecting plate 204 is fixed at one end of each of the two first sliding rails 201, the first connecting plate 204 is L-shaped, a first sliding groove 206 and two first inclined grooves 205 are formed in the inner side of the first connecting plate 204, the first inclined grooves 205 are communicated with the first sliding groove 206, first clamping blocks 207 are fixed above the two first connecting plates 204, first clamping grooves 208 are formed below the two first sliding rails 201, and the other ends of the two first sliding rails 201 are fixed between the two clamping plates 106 at corresponding positions; the other end of the first sliding rail 201 is placed into the locking box 113 at a corresponding position, the first sliding groove 206 and the first inclined groove 205 can be matched and locked with the second sliding column 210, and the first clamping groove 208 and the second clamping block 216 are matched and locked, so that connection is facilitated.

The second assembly comprises two second sliding rails 211, two second supporting plates 213 are fixed between the two second sliding rails 211, a plurality of second sliding columns 210 are fixed on the side surfaces of the two second sliding rails 211, one ends of the two second sliding rails 211 abut against the first connecting plate 204, second clamping grooves 212 are formed below the two second sliding rails 211, the second clamping grooves 212 are clamped and locked with the first clamping blocks 207, the second sliding columns 210 are slidably arranged inside the first inclined grooves 205, a second connecting plate 214 is fixed at the other ends of the two second sliding rails 211, the second connecting plate 214 is in an L shape, a second sliding groove 209 and two second inclined grooves 215 are formed in the side surface of the second connecting plate 214, a second clamping block 216 is fixed on the second connecting plate 214, and the second connecting plate 214 is fixed between the two clamping plates 106 at the corresponding position; align the top of first slide rail 201 with second slide rail 211, promote second slide rail 211, second slide rail 211 drives second slip post 210 and slides to the inside of first spout 206, slides second slip post 210 to first chute 205 inside, and second draw-in groove 212 and first fixture block 207 joint are locked, accomplish the connection.

The buffer mechanism 3 comprises a pressure plate 303, fixing plates 304 are fixed at two ends of the pressure plate 303, the two fixing plates 304 are respectively fixed on the side surfaces of the locking boxes 113 at corresponding positions, a damper 302 and two spring loop bars 301 are fixed on the side surface of the pressure plate 303, buffer plates 305 are fixed at the end parts of the damper 302 and the two spring loop bars 301, and the buffer plates 305 are positioned above the first slide rail 201 and the second slide rail 211; the carrying mechanism 4 collides with the buffer plate 305, the buffer plate 305 drives the damper 302 and the two spring loop bars 301 to contract, the two spring loop bars 301 absorb the kinetic energy of impact, and the damper 302 prevents the spring loop bars 301 from rebounding rapidly, so that the carrying mechanism 4 is prevented from toppling.

The carrying mechanism 4 comprises a bottom plate 406, a plurality of moving wheels 405 are fixed below the bottom plate 406, the moving wheels 405 are rotatably arranged above the first sliding rail 201 and the second sliding rail 211, a collecting box 404 is clamped above the bottom plate 406, an installation frame is fixed above the collecting box 404, a convoluted batching 401 is arranged inside the installation frame, a pulling rod 402 is fixed at the end part of the convoluted batching 401, and a spring stop 403 is arranged above the installation frame; pulling the pulling rod 402, the pulling rod 402 drives the convoluted batching 401 to rotate, the pulling rod 402 is placed at the end part of the installation frame, and the spring stop 403 limits the pulling rod 402, so that the batching is covered above the installation frame, and the goods are prevented from falling off during transportation.

In this embodiment, the above-mentioned fixing methods are all the simplest and most common fixing methods in the field, such as welding, clamping, etc.

The working principle of the invention is as follows:

placing two supporting mechanisms 1 at positions to be transmitted, adjusting the distance between two lower supporting frames 107, driving a three-level lifting screw 108 to move by the lower supporting frames 107, driving an upper supporting frame 112 to move by the three-level lifting screw 108, adjusting a sliding block 109 to a proper position, connecting the sliding block 109 on the same side by an adjusting belt 110, adjusting a mounting plate 114 to a proper height, rotating the three-level lifting screw 108 to adjust the height of the two three-level lifting screws 108 to keep the mounting plate 114 stable, rotating the adjusting screw 102 to adjust the angle of a locking box 113 to enable the two supporting mechanisms 1 to be not as high as each other, taking the supporting mechanism 1 provided with a buffer mechanism 3 as a terminal point, being shorter, taking the other supporting mechanism 1 as a starting point, being higher, aligning a second sliding rail 211 above a first sliding rail 201, pushing the second sliding rail 211, driving a second sliding column 210 to slide into a first sliding groove 206 by the second sliding, then, the second sliding column 210 is slid into the first chute 205, the second clamping groove 212 and the first clamping block 207 are clamped and locked, the connection is completed, the end parts of the first sliding rail 201 and the second sliding rail 211 are placed into the locking box 113 at the corresponding positions, the hand wheel 105 is rotated, the hand wheel 105 drives the threaded column 104 to rotate, the threaded column 104 drives the clamping plate 106 to move, so as to lock the first sliding rail 201 and the second sliding rail 211, the supporting column 5 is fixed below the sliding rail mechanism 2, the pulling rod 402 is pulled, the pulling rod 402 drives the convoluted cloth 401 to rotate, the pulling rod 402 is placed at the end part of the mounting frame, the spring stop 403 limits the pulling rod 402, so as to cover the cloth above the mounting frame, so as to prevent the goods from falling off during transportation, the moving wheel 405 is placed on the first sliding rail 201 and the second sliding rail 211, the moving wheel 405 rolls from the supporting mechanism 1 at the starting point to the supporting mechanism 1 at the ending point due to the action of gravity, collecting box 404 strikes on buffer board 305, and buffer board 305 drives attenuator 302 and two spring loop pole 301 contractions, and two spring loop pole 301 absorb the kinetic energy of impact, and attenuator 302 prevents that spring loop pole 301 from kick-backing fast to avoid carrying mechanism 4 to empty, later take off carrying mechanism 4, accomplish cargo transportation.

In conclusion, the buffer mechanism 3 is matched with the carrying mechanism 4, so that the kinetic energy of the collecting box 404 impacting the buffer plate 305 can be absorbed, and meanwhile, the cloth can be rolled to cover the upper part of the mounting frame, so that the agricultural products are more stably transported in the field, and the agricultural products are prevented from falling to cause damage; the supporting mechanism 1 is matched with the sliding rail mechanism 2, and the first assembly and the second assembly can be spliced end to end, so that the transportation rail can be conveniently and rapidly laid, meanwhile, the height of the rail can be adjusted, and the influence of the terrain on the laying is avoided; slide rail mechanism 2 is through first subassembly and second subassembly cooperation, can quick assembly disassembly folding, and convenient transportation has improved the portability.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A portable conveying device for fields comprises two supporting mechanisms (1) and is characterized in that the supporting mechanisms (1) comprise mounting plates (114), rotating shafts (111) are fixed at the ends of the mounting plates (114), two upper supporting frames (112) are rotatably arranged below the mounting plates (114), sliding blocks (109) are slidably arranged on the two upper supporting frames (112), adjusting belts (110) are arranged between the two sliding blocks (109), two three-level lifting screws (108) are fixed below the upper supporting frames (112), lower supporting frames (107) are fixed below the two three-level lifting screws (108), hinge blocks (101) are fixed above the mounting plates (114), adjusting screws (102) are hinged on the hinge blocks (101), connecting columns (103) are rotatably connected at the ends of the adjusting screws (102), locking boxes (113) are fixed at the two ends of the connecting columns (103), the locking box (113) is rotatably arranged on the rotating shaft (111), two clamping plates (106) are slidably arranged inside the locking box (113), a threaded column (104) is rotatably connected to the clamping plates (106), the threaded column (104) is in threaded connection with the locking box (113), a hand wheel (105) is fixed at the end of the threaded column (104), a buffering mechanism (3) is arranged on the side face of the locking box (113) of one supporting mechanism (1), a sliding rail mechanism (2) is arranged between the locking boxes (113) of the two supporting mechanisms (1), a carrying mechanism (4) is arranged on the sliding rail mechanism (2), and a supporting column (5) is arranged below the sliding rail mechanism (2).

2. The portable conveying device for the field according to claim 1, characterized in that the sliding rail mechanism (2) comprises a plurality of first components and a plurality of second components, the first components and the second components have the same structure and are symmetrical to each other, the first components and the second components are alternately distributed, the first components are connected with the adjacent second components in an end-to-end sliding manner, the first components comprise two first sliding rails (201), two first supporting plates (203) are fixed between the two first sliding rails (201), a plurality of first sliding columns (202) are fixed on the side surfaces of the two first sliding rails (201), a first connecting plate (204) is fixed on one end of each of the two first sliding rails (201), the first connecting plate (204) is L-shaped, a first chute (206) and two first chutes (205) are formed on the inner side of the first connecting plate (204), and the first chutes (205) are communicated with the first chutes (206), first clamping blocks (207) are fixed above the two first connecting plates (204), first clamping grooves (208) are formed below the two first sliding rails (201), and the other ends of the two first sliding rails (201) are fixed between the two clamping plates (106) at corresponding positions.

3. The portable conveying device for the fields as claimed in claim 2, wherein the second assembly comprises two second sliding rails (211), two second supporting plates (213) are fixed between the two second sliding rails (211), a plurality of second sliding columns (210) are fixed on the side surfaces of the two second sliding rails (211), one ends of the two second sliding rails (211) are abutted against the first connecting plate (204), second clamping grooves (212) are formed below the two second sliding rails (211), the second clamping grooves (212) are clamped and locked with the first clamping blocks (207), the second sliding columns (210) are slidably arranged in the first chute (205), a second connecting plate (214) is fixed on the other ends of the two second sliding rails (211), the second connecting plate (214) is L-shaped, a second chute (209) and two second chutes (215) are formed on the side surface of the second connecting plate (214), a second clamping block (216) is fixed on the second connecting plate (214), and the second connecting plate (214) is fixed between the two clamping plates (106) at the corresponding position.

4. A portable transporter for fields according to claim 3, wherein the buffer mechanism (3) comprises a pressure plate (303), fixing plates (304) are fixed at both ends of the pressure plate (303), the two fixing plates (304) are respectively fixed at the sides of the locking boxes (113) at corresponding positions, a damper (302) and two spring loop bars (301) are fixed at the side of the pressure plate (303), buffer plates (305) are fixed at the ends of the damper (302) and the two spring loop bars (301), and the buffer plates (305) are positioned above the first slide rail (201) and the second slide rail (211).

5. The portable conveying device for the fields as claimed in claim 3 or 4, wherein the carrying mechanism (4) comprises a bottom plate (406), a plurality of moving wheels (405) are fixed below the bottom plate (406), the moving wheels (405) are rotatably arranged above the first sliding rail (201) and the second sliding rail (211), a collecting box (404) is clamped above the bottom plate (406), a mounting frame is fixed above the collecting box (404), a convoluted batching (401) is arranged inside the mounting frame, a pulling rod (402) is fixed at the end of the convoluted batching (401), and a spring stopper (403) is arranged above the mounting frame.

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