CN114261806A

CN114261806A - Safe lift fodder transportation platform

Info

Publication number: CN114261806A
Application number: CN202111588945.6A
Authority: CN
Inventors: 吴三丫; 范小飞; 贾宝义; 邓华; 肖卫东
Original assignee: Jiangsu Jingmu Biotechnology Co ltd
Current assignee: Jiangsu Jingmu Biotechnology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-04-01
Anticipated expiration: 2041-12-23
Also published as: CN114261806B

Abstract

The invention relates to the technical field of lifting transportation platforms, in particular to a safe lifting feed transportation platform which comprises a lifting machine main body, wherein a placement structure is connected to the lifting machine main body, a limiting structure is connected to the placement structure, an expansion structure is connected to the lifting machine main body, a warning structure is connected to the expansion structure, a butt joint structure is connected to the placement structure, and a reset structure is connected to the butt joint structure; can form certain zone of protection through the extending structure, play fine warning personnel's effect on every side under the effect of warning structure, be convenient for through placing the structure and get up the fodder lifting and transport and place, can carry on spacingly through limit structure to placing the structure, increase the security, be convenient for and the fodder top of putting things in good order docks through dock structure, space between reducing improves safety, through the reset structure be convenient for dock structure's that resets.

Description

Safe lift fodder transportation platform

Technical Field

The invention relates to the technical field of lifting transport platforms, in particular to a safe lifting feed transport platform.

Background

The lifting transportation platform is a multifunctional lifting loading and unloading mechanical device and can be divided into a fixed type, a movable type, a guide rail type and a crank arm type, wherein a scissor type lifting goods ladder, a chain type lifter, a loading and unloading platform, an attached type electric construction platform and the like are fixed, the fodder is generally stacked higher in the stacking process of the fodder, and a safe lifting fodder transportation platform is needed for facilitating the stacking of the fodder.

At present portable lift fodder transport platform is difficult for being close to with the fodder pile up neatly of eminence on the top of the in-process lifting board that removes, and certain clearance still can exist between lifting board and the fodder pile up neatly after the fodder pile up neatly is pressed close to lifting main body bottom, has certain danger in the handling, and is comparatively troublesome when adopting the plank butt joint, and the lifting board does not set up deployable expansion pole and warning after rising and brings and avoids personnel on every side to be close to and warn personnel on every side, has certain potential safety hazard.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a safe lifting feed transportation platform.

The technical scheme adopted by the invention for solving the technical problems is as follows: a safe lifting feed transportation platform comprises a lifting machine main body, wherein a placing structure used for placing feed is connected to the lifting machine main body, a limiting structure used for limiting is connected to the placing structure, an expanding structure used for avoiding surrounding people from approaching is connected to the lifting machine main body, a warning structure used for warning surrounding people is connected to the expanding structure, a butt joint structure convenient for moving away feed is connected to the placing structure, and a reset structure used for releasing pressure and resetting is connected to the butt joint structure;

the expanding structure comprises a rotating rod, the two sides of the lifting machine main body are both rotatably connected with the rotating rod, the fixedly connected with expanding rod is arranged on the rotating rod, a torsion spring is abutted between the expanding rod and the lifting machine main body, the top end of the expanding rod is fixedly connected with a sliding rod, the rotating rod is connected with a push rod through the sliding rod, the push rod is slidably connected onto the lifting machine main body, a fourth spring is fixedly connected between the push rod and the sliding rod, the top end of the rotating rod is arc-shaped, the bottom end of the push rod is arc-shaped, the top end of the rotating rod can be abutted against the bottom end of the push rod, the top end of the push rod is slidably connected with a touch rod, and a fifth spring is fixedly connected between the push rod and the touch rod.

Specifically, the warning structure includes the set casing, the set casing has been placed to the both sides of lifting machine main part, the inside of set casing is rotated and is connected with and rotates the post, fixedly connected with volute spring between post and the set casing rotates, fixedly connected with warning area on the post rotates, twine on rotating the post at the both ends in warning area, the both ends in warning area stretch out the set casing respectively with the one end fixed connection who expandes the pole.

Specifically, the placing structure comprises a lifting arm, the lifting arm is mounted on the lifting machine main body, a lifting plate is mounted at the top end of the lifting arm, the bottom end of the lifting plate is abutted against the top end of the abutting rod, a protective guard is mounted at the top end of the lifting plate, and a pair of protective plates is rotatably connected to one side of the lifting plate.

Specifically, limit structure includes stopper, one the top sliding connection of guard plate has the stopper, the first spring of fixedly connected with between stopper and the guard plate, the one end of stopper is contradicted through spacing groove and another guard plate, another be equipped with the spacing groove on the guard plate, the stopper is "L" shape, stopper and spacing groove are located same height.

Specifically, the butt joint structure comprises a butt joint plate, one end of the lifting plate close to the protection plate is connected with the butt joint plate in a sliding mode, pulleys are connected to two sides of the butt joint plate in a rotating mode, the pulleys are connected with the lifting plate in a rolling mode through sliding grooves, a pair of sliding grooves are formed in the lifting plate, a sliding cylinder is fixedly connected to the inner portion of one end, away from the butt joint plate, of the lifting plate, a sliding rod is connected to the inner portion of the sliding cylinder in a sliding mode, a tension spring is fixedly connected between the sliding rod and the sliding cylinder, one end of the sliding rod is connected with the butt joint plate in a rotating mode, an air cylinder is fixedly connected to one end of the lifting plate, a press plug is connected to the inner portion of the air cylinder in a sliding mode, a second spring is abutted between the press plug and the air cylinder, a push rod is rotatably connected to the top end of the press plug, a pedal is rotatably connected to the lifting plate and rotatably connected with the push rod, and an air pipe is fixedly connected to one side of the bottom end of the air cylinder, one end of the air pipe is communicated with the inside of the sliding barrel, a first one-way valve is installed on the air pipe, an air inlet hole is formed in the side portion of the lifting plate, a second one-way valve is installed at one end, located at the air inlet hole, of the lifting plate, and the inside of the air barrel is communicated with the outside through the second one-way valve and the air inlet hole.

Specifically, the reset structure comprises a pressing rod, one end of the air pipe is connected with the pressing rod in a sliding mode, a third spring is fixedly connected between the pressing rod and the lifting plate, a through hole is formed in the bottom end of the pressing rod, the air pipes located at two ends of the pressing rod are communicated through the through hole, an exhaust groove is formed in one end of the pressing rod, an exhaust hole is formed in one end of the lifting plate, the air pipes located at two ends of the pressing rod can be communicated with the outside through the exhaust groove, the exhaust hole is annular, and the section of the top end of the pressing rod is T-shaped.

The invention has the beneficial effects that:

(1) according to the safe lifting feed transportation platform, the lifting machine main body is connected with the unfolding structure for avoiding the surrounding people from approaching, the unfolding structure is connected with the warning structure for warning the surrounding people, a certain protection area can be formed through the unfolding structure, and the function of warning surrounding people is well achieved under the action of the warning structure, namely: when the lifting board rises, the bottom and the conflict pole of lifting board break away from, fourth spring promotes catch bar upward movement, the catch bar will be along slide bar upward movement, fifth spring promotes the conflict pole upward movement, catch bar arc end and dwang arc end break away from, expand the pole outwards to drive under the promotion of torsional spring, thereby make and expand the pole and stretch out and lift the quick-witted main part, it avoids personnel to be close to form the protection zone of equidimension between two pairs of expansion poles, expand the pole and expand the back, emit the warning area from the set casing to the pulling, the rotation post rotates, the set casing will hang in air volute spiral spring, the warning area will expand, the warning area can play fine warning effect.

(2) According to the safe lifting feed transportation platform, the lifting machine main body is connected with the placing structure for placing the feed, the placing structure is connected with the limiting structure for limiting, the feed is conveniently lifted up through the placing structure to be transported and placed, the placing structure can be limited through the limiting structure, and the safety is improved, namely: when needs carry out the lifting with the fodder and put things in good order, promote "L" shape stopper, make stopper and spacing groove break away from, first spring compression to alright open the guard plate, outwards rotate a pair of guard plate, place the fodder on lifting the board, close the guard plate, first spring will promote the stopper and get into the spacing groove and carry on spacingly, the rail guard plays the guard action, through lifting owner body drive lifting arm upward movement, thereby drive lifting board upward movement, alright carry out the lifting to the fodder.

(3) According to the safe lifting feed transportation platform, the placing structure is connected with the butt joint structure convenient for moving away feed, the butt joint structure is connected with the reset structure used for pressure relief reset, butt joint with the top end of stacked feed is facilitated through the butt joint structure, gaps between the butt joint structure and the stacked feed are reduced, safety is improved, and the reset structure is convenient for resetting the butt joint structure, namely: when the lifting plate is parallel to the top end of stacked feed, the pedal is trampled, when the pedal is trampled, the pedal pushes the push rod to move downwards so as to drive the press plug to move towards the bottom end of the air cylinder, the second spring is compressed so as to press the gas in the air cylinder into the air pipe, the gas flows into the inside of the sliding barrel through the first one-way valve, the slide rod is pushed to extend out of the sliding barrel, the slide rod pushes the butt plate to extend out of the lifting plate, the pulley rolls in the sliding groove, so that the movement of the lifting plate is smoother, the tension spring is extended, the butt plate extends to the top end of the stacked feed, the pedal is released, the second spring pushes the press plug to reset upwards, the external gas enters the inside of the air cylinder through the air inlet hole and the second one-way valve in a one-way manner, the pedal is repeatedly trampled, so that the distance between the lifting plate and the top end of the stacked feed is reduced, a worker can stack the feed on the lifting plate, after stacking is finished, the pressing rod is stepped, the pressing rod moves downwards, the third spring is compressed, the through hole is staggered with the air pipe, the exhaust groove is communicated with the air pipe, and air in the air pipe is exhausted through the exhaust groove and the exhaust hole, so that the air in the sliding barrel can be exhausted, the sliding rod and the butt joint plate can be reset by the tension spring, the butt joint plate is taken in the lifting plate, and the lifting plate can be lowered.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall structure diagram of a preferred embodiment of a safe lifting/lowering fodder transportation platform according to the present invention;

FIG. 2 is a schematic view of a connection structure of the placement structure and the position limiting structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the placement structure and the docking structure of the present invention;

FIG. 4 is an enlarged view of the part A shown in FIG. 3;

FIG. 5 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 6 is a schematic view of a connection structure of the placement structure and the reposition structure according to the present invention;

FIG. 7 is a schematic view of the connection between the main body and the deployment structure of the lift of the present invention;

FIG. 8 is a schematic view showing a coupling structure of a rotating lever and a sliding lever according to the present invention;

FIG. 9 is a schematic view of the connection structure of the deployment rod and the rotatable rod of the present invention;

FIG. 10 is a schematic view of a coupling structure of a stationary case and a rotating cylinder according to the present invention;

FIG. 11 is a schematic view of a coupling structure of a stationary case and a spiral spring according to the present invention;

fig. 12 is a schematic structural view of a rotary column of the present invention.

In the figure: 1. lifting the elevator main body; 2. a placement structure; 201. a lift arm; 202. protecting the fence; 203. a protection plate; 204. lifting the plate; 3. a limiting structure; 301. a limiting block; 302. a first spring; 303. a limiting groove; 4. a butt joint structure; 401. an air inlet; 402. a butt plate; 403. a chute; 404. a pulley; 405. a slide cylinder; 406. a tension spring; 407. a slide bar; 408. an air tube; 409. an air cylinder; 410. a first check valve; 411. a second one-way valve; 412. a second spring; 413. a push rod; 414. a pedal; 415. pressing and plugging; 5. a reset structure; 501. an exhaust hole; 502. a pressure lever; 503. a third spring; 504. a through hole; 505. an exhaust groove; 6. a deployed configuration; 601. deploying the rod; 602. a push rod; 603. a touch bar; 604. rotating the rod; 605. a torsion spring; 606. a slide bar; 607. a fourth spring; 608. a fifth spring; 7. a warning structure; 701. a stationary case; 702. rotating the column; 703. a warning band; 704. a spiral spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 12, the safe lifting feed transportation platform comprises a lifting machine main body 1, wherein a placement structure 2 for placing feed is connected to the lifting machine main body 1, a limiting structure 3 for limiting is connected to the placement structure 2, an expansion structure 6 for avoiding surrounding people from approaching is connected to the lifting machine main body 1, a warning structure 7 for warning surrounding people is connected to the expansion structure 6, a butt joint structure 4 convenient for moving away feed is connected to the placement structure 2, and a reset structure 5 for releasing pressure and resetting is connected to the butt joint structure 4;

the unfolding structure 6 comprises a rotating rod 604, rotating rods 604 are rotatably connected to two sides of the lifter body 1, an unfolding rod 601 is fixedly connected to the rotating rod 604, a torsion spring 605 is abutted between the unfolding rod 601 and the lifter body 1, a sliding rod 606 is fixedly connected to the top end of the unfolding rod 601, the rotating rod 604 is slidably connected to a pushing rod 602 through the sliding rod 606, the pushing rod 602 is slidably connected to the lifter body 1, a fourth spring 607 is fixedly connected between the pushing rod 602 and the sliding rod 606, the top end of the rotating rod 604 is arc-shaped, the bottom end of the pushing rod 602 is arc-shaped, the top end of the rotating rod 604 can be abutted to the bottom end of the pushing rod 602, an abutting rod 603 is slidably connected to the top end of the pushing rod 602, and a fifth spring 608 is fixedly connected between the pushing rod 602 and the pushing rod 603; when the lifting plate 204 is lifted, the bottom end of the lifting plate 204 is separated from the abutting rod 603, the fourth spring 607 pushes the push rod 602 to move upwards, the push rod 602 will move upwards along the sliding rod 606, the fifth spring 608 pushes the abutting rod 603 to move upwards, the arc end of the push rod 602 is separated from the arc end of the rotating rod 604, the unfolding rod 601 will be driven to rotate outwards under the pushing of the torsion spring 605, so that the unfolding rod 601 extends out of the lifter body 1, and a protection area with a certain size is formed between the two pairs of unfolding rods 601 to prevent people from approaching.

Specifically, the warning structure 7 includes a fixed casing 701, the fixed casing 701 is placed on two sides of the lifter body 1, a rotating column 702 is rotatably connected inside the fixed casing 701, a volute spring 704 is fixedly connected between the rotating column 702 and the fixed casing 701, a warning belt 703 is fixedly connected to the rotating column 702, two ends of the warning belt 703 are wound on the rotating column 702, and two ends of the warning belt 703 extend out of the fixed casing 701 and are respectively fixedly connected with one end of the unfolding rod 601; after the unfolding rod 601 is unfolded, the warning belt 703 is pulled to be released from the fixed shell 701, the rotating column 702 rotates, the fixed shell 701 is suspended in the air, the spiral spring 704 expands, and the warning belt 703 can play a good warning role.

Specifically, the placing structure 2 comprises a lifting arm 201, the lifting arm 201 is mounted on the lifter body 1, a lifting plate 204 is mounted at the top end of the lifting arm 201, the bottom end of the lifting plate 204 is abutted against the top end of an abutting rod 603, a guard rail 202 is mounted at the top end of the lifting plate 204, and a pair of guard plates 203 is rotatably connected to one side of the lifting plate 204; outwards rotate a pair of guard plate 203, place the fodder on lifting plate 204, close guard plate 203, first spring 302 will promote stopper 301 and get into spacing groove 303 and carry on spacingly, and rail guard 202 plays the guard action, through lifting lift main part 1 drive lifting arm 201 upward movement to drive lifting plate 204 upward movement, alright carry out the lifting to the fodder.

Specifically, the limiting structure 3 comprises limiting blocks 301, the top end of one of the protection plates 203 is slidably connected with the limiting block 301, a first spring 302 is fixedly connected between the limiting block 301 and the protection plate 203, one end of the limiting block 301 is abutted against the other protection plate 203 through a limiting groove 303, a limiting groove 303 is arranged on the other protection plate 203, the limiting block 301 is in an L shape, and the limiting block 301 and the limiting groove 303 are located at the same height; when fodder is lifted and stacked, the L-shaped limiting block 301 is pushed to separate the limiting block 301 from the limiting groove 303, and the first spring 302 is compressed, so that the protection plate 203 can be opened.

Specifically, the docking structure 4 includes a docking plate 402, one end of the lifting plate 204 close to the protection plate 203 is slidably connected with the docking plate 402, two sides of the docking plate 402 are rotatably connected with pulleys 404, the pulleys 404 are connected with the lifting plate 204 through sliding grooves 403, a pair of sliding grooves 403 is arranged inside the lifting plate 204, one end of the lifting plate 204 away from the docking plate 402 is fixedly connected with a sliding cylinder 405, a sliding rod 407 is slidably connected inside the sliding cylinder 405, a tension spring 406 is fixedly connected between the sliding rod 407 and the sliding cylinder 405, one end of the sliding rod 407 is rotatably connected with the docking plate 402, one end of the lifting plate 204 is fixedly connected with an air cylinder 409, a press plug 415 is slidably connected inside the air cylinder 409, a second spring 412 is abutted between the press plug 415 and the air cylinder, a push rod 413 is rotatably connected to the top end of the press plug 415, and a lifting pedal 414 is rotatably connected to the lifting plate 204, the pedal 414 is rotatably connected with the push rod 413, one side of the bottom end of the air cylinder 409 is fixedly connected with an air pipe 408, one end of the air pipe 408 is communicated with the inside of the sliding cylinder 405, the air pipe 408 is provided with a first one-way valve 410, the side part of the lifting plate 204 is provided with an air inlet hole 401, one end of the lifting plate 204, which is positioned at the air inlet hole 401, is provided with a second one-way valve 411, and the inside of the air cylinder 409 is communicated with the outside through the second one-way valve 411 and the air inlet hole 401; when the lifting plate 204 is parallel to the top end of the stacked feed, the pedal 414 is stepped, when the pedal 414 is stepped, the pedal 414 pushes the push rod 413 to move downwards, so as to drive the press plug 415 to move towards the bottom end of the air cylinder 409, the second spring 412 is compressed, so that the air in the air cylinder 409 is pressed into the air pipe 408, the air flows into the inside of the slide cylinder 405 through the first one-way valve 410, the slide rod 407 is pushed to extend out of the slide cylinder 405, the slide rod 407 pushes the butt-joint plate 402 to extend out of the lifting plate 204, the pulley 404 rolls in the slide groove 403, so that the movement of the lifting plate 204 is smoother, the tension spring 406 extends, so that the butt-joint plate 402 extends to the top end of the stacked feed, the pedal 414 is released, the second spring 412 pushes the press plug 415 to reset upwards, the external air enters the inside the air cylinder 409 in a one-way through the air inlet hole 401 and the second one-way valve 411, the pedal 414 is repeatedly stepped, so as to reduce the distance between the lifting plate 204 and the top end of the stacked feed, thereby facilitating stacking of feed on the lifting plate 204 by the worker.

Specifically, the resetting structure 5 includes a pressure lever 502, one end of the air pipe 408 is slidably connected with the pressure lever 502, a third spring 503 is fixedly connected between the pressure lever 502 and the lifting plate 204, a through hole 504 is formed in the bottom end of the pressure lever 502, the air pipes 408 at the two ends of the pressure lever 502 are communicated through the through hole 504, an exhaust groove 505 is formed in one end of the pressure lever 502, an exhaust hole 501 is formed in one end of the lifting plate 204, the air pipes 408 at the two ends of the pressure lever 502 are communicated with the outside through the exhaust groove 505 and the exhaust hole 501, the exhaust groove 505 is annular, and the section of the top end of the pressure lever 502 is T-shaped; after stacking is finished, the pressing rod 502 is stepped on, the pressing rod 502 moves downwards, the third spring 503 is compressed, the through hole 504 and the air pipe 408 are staggered, the exhaust groove 505 is communicated with the air pipe 408, air in the air pipe 408 is exhausted through the exhaust groove 505 and the exhaust hole 501, therefore, air in the sliding barrel 405 can be exhausted, the tension spring 406 pulls the sliding rod 407 and the butt joint plate 402 to reset, the butt joint plate 402 is retracted into the lifting plate 204, and the lifting plate 204 can be lowered.

When the feed lifting device is used, firstly, when the feed needs to be lifted and stacked, the L-shaped limiting block 301 is pushed to separate the limiting block 301 from the limiting groove 303, the first spring 302 is compressed, so that the protection plate 203 can be opened, the pair of protection plates 203 are outwards rotated, the feed is placed on the lifting plate 204, the protection plates 203 are closed, the first spring 302 pushes the limiting block 301 to enter the limiting groove 303 for limiting, the guard rail 202 plays a protection role, the lifting arm 201 is driven by the lifter body 1 to upwards move, so that the lifting plate 204 is driven to upwards move, the feed can be lifted, when the lifting plate 204 is lifted, the bottom end of the lifting plate 204 is separated from the abutting rod 603, the fourth spring 607 pushes the pushing rod 602 to upwards move, the pushing rod 602 upwards moves along the sliding rod 606, the fifth spring 608 pushes the abutting rod 603 to upwards move, and the arc-shaped end of the pushing rod 602 is separated from the arc-shaped end of the rotating rod 604, the unfolding rods 601 are driven to rotate outwards under the pushing of the torsion spring 605, so that the unfolding rods 601 extend out of the lifting machine body 1, a protective area with a certain size is formed between two pairs of unfolding rods 601 to prevent people from approaching, after the unfolding rods 601 are unfolded, the warning belt 703 is pulled to be discharged from the fixed shell 701, the rotating column 702 rotates, the fixed shell 701 is suspended in the air, the scroll spring 704 expands, the warning belt 703 can play a good warning role, when the lifting plate 204 is parallel to the top end of stacked feed, the pedal 414 is stepped on, when the pedal 414 is stepped on, the pedal 414 pushes the push rod 413 to move downwards, so that the press plug 415 is driven to move towards the bottom end of the air cylinder 409, the second spring 412 compresses, so that air in the air cylinder 409 is pressed into the air pipe 408, the air flows into the sliding cylinder 405 through the first one-way valve 410, the sliding rods 407 are pushed to extend out of the sliding cylinder 405, the sliding rods 407 push the abutting plate 402 to extend out of the lifting plate 204, the pulley 404 will roll in the chute 403, so that the movement of the lifting plate 204 is smoother, the tension spring 406 will extend, the butt plate 402 will extend to the top end of the stacked fodder, the pedal 414 will be released, the second spring 412 will push the press plug 415 to return upwards, the outside air will enter the air cylinder 409 through the air inlet hole 401 and the second one-way valve 411 in one way, the pedal 414 will be repeatedly stepped, so as to reduce the distance between the lifting plate 204 and the top end of the stacked fodder, so as to facilitate the stacking of the fodder on the lifting plate 204 by the worker, after stacking, the press rod 502 will be stepped, the press rod 502 will move downwards, the third spring 503 will compress, the through hole 504 and the air pipe 408 are staggered, the air discharge groove 505 and the air pipe 408 will be communicated, the air in the air pipe 408 will be discharged through the air discharge groove 505 and the air discharge hole 501, so as to discharge the air in the slide cylinder 405, the tension spring 406 will pull the slide rod 407 and the butt plate 402 to return, so as to take the butt plate 402 into the interior of the lifting plate 204, alright descend and lift board 204, lifting arm 201 drives and lifts board 204 and descends similarly, lifting board 204 and conflict pole 603 conflict, it conflicts to promote catch bar 602 arc end and dwang 604 arc end, promote dwang 604 and rotate, torsional spring 605 compresses, expand the inside that pole 601 will receive and lift board 204, conflict pole 603 downstream fifth spring 608 compresses, the pressure that can avoid catch bar 602 to receive is too big and damages, volute spring 704 will be the shrink, drive rotation post 702 and rotate, thereby withdraw set casing 701 with warning area 703, be convenient for use next time.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The safe lifting feed transportation platform is characterized by comprising a lifting machine main body (1), wherein a placement structure (2) for placing a feed is connected to the lifting machine main body (1), a limiting structure (3) for limiting is connected to the placement structure (2), an expansion structure (6) for avoiding surrounding people from approaching is connected to the lifting machine main body (1), a warning structure (7) for warning surrounding people is connected to the expansion structure (6), a butt joint structure (4) convenient for moving the feed away is connected to the placement structure (2), and a reset structure (5) for releasing pressure and resetting is connected to the butt joint structure (4);

the unfolding structure (6) comprises a rotating rod (604), the two sides of the lifting machine main body (1) are respectively and rotatably connected with the rotating rod (604), the rotating rod (604) is fixedly connected with an unfolding rod (601), a torsion spring (605) is abutted between the unfolding rod (601) and the lifting machine main body (1), the top end of the unfolding rod (601) is fixedly connected with a sliding rod (606), the rotating rod (604) is slidably connected with a push rod (602) through the sliding rod (606), the push rod (602) is slidably connected onto the lifting machine main body (1), a fourth spring (607) is fixedly connected between the push rod (602) and the sliding rod (606), the top end of the rotating rod (604) is arc-shaped, the bottom end of the push rod (602) is arc-shaped, the top end of the rotating rod (604) can be abutted against the bottom end of the push rod (602), and the top end of the push rod (602) is slidably connected with an abutting contact rod (603), a fifth spring (608) is fixedly connected between the push rod (602) and the abutting rod (603).

2. A safety lift feed transport platform as claimed in claim 1, wherein: the warning structure (7) comprises a fixed shell (701), the fixed shell (701) is placed on two sides of the lifting machine main body (1), a rotating column (702) is connected to the inside of the fixed shell (701) in a rotating mode, a volute spring (704) is fixedly connected between the rotating column (702) and the fixed shell (701), a warning belt (703) is fixedly connected to the rotating column (702), two ends of the warning belt (703) are wound on the rotating column (702), and two ends of the warning belt (703) extend out of the fixed shell (701) and are fixedly connected with one end of the unfolding rod (601) respectively.

3. A safety lift feed transport platform as claimed in claim 1, wherein: the placing structure (2) comprises a lifting arm (201), the lifting arm (201) is installed on the lifting machine main body (1), a lifting plate (204) is installed on the top end of the lifting arm (201), the bottom end of the lifting plate (204) is abutted to the top end of the abutting rod (603), a protective guard (202) is installed on the top end of the lifting plate (204), and a pair of protective plates (203) is rotatably connected to one side of the lifting plate (204).

4. A safety lift feed transport platform as claimed in claim 3, wherein: limit structure (3) include stopper (301), one the top sliding connection of guard plate (203) has stopper (301), the first spring (302) of fixedly connected with between stopper (301) and guard plate (203), the one end of stopper (301) is contradicted through spacing groove (303) and another guard plate (203), another be equipped with spacing groove (303) on guard plate (203).

5. A safe lift fodder transport platform of claim 4, characterized in that: the limiting block (301) is L-shaped, and the limiting block (301) and the limiting groove (303) are located at the same height.

6. A safety lift feed transport platform as claimed in claim 3, wherein: the butt joint structure (4) comprises a butt joint plate (402), one end, close to the protection plate (203), of the lifting plate (204) is connected with the butt joint plate (402) in a sliding mode, pulleys (404) are connected to two sides of the butt joint plate (402) in a rotating mode, the pulleys (404) are connected with the lifting plate (204) in a rolling mode through sliding grooves (403), a pair of sliding grooves (403) are formed in the lifting plate (204), one end, away from the butt joint plate (402), of the lifting plate (204) is fixedly connected with a sliding barrel (405) in the inside, a sliding rod (407) is connected in the sliding barrel (405) in a sliding mode, a tension spring (406) is fixedly connected between the sliding rod (407) and the sliding barrel (405), and one end of the sliding rod (407) is connected with the butt joint plate (402) in a rotating mode.

7. A safe lift fodder transport platform of claim 6, characterized in that: one end of the lifting plate (204) is fixedly connected with an air cylinder (409), the interior of the air cylinder (409) is connected with a press plug (415) in a sliding way, a second spring (412) is abutted between the press plug (415) and the air cylinder (409), the top end of the press plug (415) is rotationally connected with a push rod (413), the lifting plate (204) is rotationally connected with a pedal (414), the pedal (414) is rotationally connected with the push rod (413), one side of the bottom end of the air cylinder (409) is fixedly connected with an air pipe (408), one end of the air pipe (408) is communicated with the inside of the sliding cylinder (405), a first one-way valve (410) is arranged on the air pipe (408), an air inlet hole (401) is formed in the side portion of the lifting plate (204), a second one-way valve (411) is installed at one end, located on the air inlet hole (401), of the lifting plate (204), the interior of the air cylinder (409) is communicated with the outside through a second one-way valve (411) and an air inlet hole (401).

8. A safety lift feed transportation platform of claim 7, characterized in that: the reset structure (5) comprises a pressing rod (502), one end of the air pipe (408) is connected with the pressing rod (502) in a sliding mode, a third spring (503) is fixedly connected between the pressing rod (502) and the lifting plate (204), a through hole (504) is formed in the bottom end of the pressing rod (502), the air pipes (408) located at two ends of the pressing rod (502) are communicated through the through hole (504), an exhaust groove (505) is formed in one end of the pressing rod (502), an exhaust hole (501) is formed in one end of the lifting plate (204), and the air pipes (408) located at two ends of the pressing rod (502) can be communicated with the outside through the exhaust groove (505), the exhaust hole (501) and the outside.

9. A safety lift feed transport platform as claimed in claim 8, wherein: the exhaust groove (505) is annular, and the section of the top end of the pressure lever (502) is T-shaped.