CN215797215U - Loading transporter - Google Patents

Abstract

The utility model discloses a loading transporter, comprising: a frame; the first transportation assembly is fixedly arranged on the rack, and the two ends of the first transportation assembly are respectively a first hinged end and a feeding end; the two ends of the second transportation assembly are respectively a second hinged end and a third hinged end, the second hinged end is butted with the first hinged end, the second hinged end is hinged with the first hinged end, and hinged shafts of the first hinged end and the second hinged end are set as first rotating shafts; the two ends of the third transportation assembly are respectively a fourth hinged end and a discharge end, the fourth hinged end is butted with the third hinged end, and the fourth hinged end is butted with the third hinged end; and the lifting driving device drives the third transportation assembly to move up and down and the second transportation assembly to rotate around the first rotating shaft. This scheme can avoid using artificial mode in the past to pile up the goods with the mode of goods lifting, reduces staff's work burden.

Description

Loading transporter

Technical Field

The utility model relates to the technical field of transportation devices, in particular to a loading transporter.

Background

In the mill, need load the goods before the freight, current loading mode is usually for transporting to specific position through the conveyer belt, loads into the freight train through artifical mode with the goods transport afterwards to along with the increase of the goods in the freight train, the goods need stack gradually, and need the manual work to lift the goods when piling up. Such a manner imposes a great burden on the worker.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the present disclosure is directed to a loading transporter, which solves one or more of the problems of the prior art and provides at least one useful alternative or creation.

The solution of the utility model for solving the technical problem is as follows:

a loading transporter comprising:

a frame;

the first transportation assembly is fixedly arranged on the rack, and two ends of the first transportation assembly are respectively a first hinged end and a feeding end;

the two ends of the second transportation assembly are respectively a second hinged end and a third hinged end, the second hinged end is butted with the first hinged end, the second hinged end is hinged with the first hinged end, and a hinged shaft of the first hinged end and the second hinged end is set as a first rotating shaft;

the two ends of the third transportation assembly are respectively a fourth hinged end and a discharge end, the fourth hinged end is butted with the third hinged end, and the fourth hinged end is butted with the third hinged end;

and the lifting driving device drives the third transportation assembly to move up and down and the second transportation assembly to rotate around the first rotating shaft.

Through the scheme, when freight, the goods passes through first transportation subassembly in proper order, second transportation subassembly and third transportation subassembly, after the third transportation subassembly on earth when the goods, lift drive arrangement drive third transportation subassembly rises, make the goods by the lifting, only need through the manual work afterwards with simple promotion to the goods department that piles up of goods, can realize piling up of goods, and pile up gradually along with the goods, lift drive arrangement can drive the third transportation subassembly and shift up, thereby make the third transportation subassembly can rise along with the goods pile up the height gradually. This scheme can avoid using artificial mode in the past to pile up the goods with the mode of goods lifting, reduces staff's work burden.

As a further improvement of the above technical solution, the lifting driving device includes a lifting driving member, a swing rod, and a lifting support rod, the lifting driving member is relatively fixed to the frame, the upper end of the swing rod is hinged to the third transportation assembly, the lower end of the swing rod is connected to the lifting driving member, the lower end of the lifting support rod is hinged to the frame, the upper end of the lifting support rod is hinged to the third transportation assembly, the transportation directions of the lifting support rod and the second transportation assembly are always parallel, and the lifting driving member drives the swing rod to move up and down.

Through the scheme, the second transportation assembly, the third transportation assembly, frame and lift vaulting pole form parallelogram's structure, when needs the third transportation assembly to rise, the lower extreme that the lift driving piece provided power drive pendulum rod rises, this moment because the upper end of pendulum rod is articulated with the third transportation assembly, and the second transportation assembly is articulated with first transportation assembly, the second transportation assembly is articulated with the third transportation assembly, the lift vaulting pole plays the effect of supporting third transportation assembly and guaranteeing that second transportation assembly can wind first pivot pivoted, the lift vaulting pole can play the effect of guaranteeing the steady normal function of lift function, so when the lift driving piece pendulum rod rises, because parallelogram's structure, make the second transportation assembly rotate around first pivot, third transportation assembly lifting.

As a further improvement of the above technical solution, the first transport assembly includes a first transport belt and a first transport drive roller, the first transport belt being passed around the first transport drive roller; the second transport assembly includes a second transport belt and a second transport drive roller, the second transport belt being passed around the second transport drive roller; a main driving piece and a linkage mechanism are arranged between the first transportation assembly and the second transportation assembly; the main driving piece is arranged on the rack; the linkage mechanism comprises a first driving wheel, a first driven wheel and a steering synchronizing wheel; the first driving wheel and the first conveying driving roller are relatively fixed; the main driving part drives the first transportation driving roller and the first driving wheel to rotate, and the first transportation belt is in transmission connection with the first transportation driving roller; the first driving wheel is in mechanical transmission connection with the first driven wheel through the steering synchronizing wheel, the first driven wheel is relatively fixed with the second transportation driving roller, and the second transportation belt is in transmission connection with the second transportation driving roller.

Through the above scheme, when total driving piece during operation, the power of total driving piece is transmitted to first driven wheel through turning to the synchronizing wheel from first action wheel, make first transportation drive roller and second transportation drive roller rotate simultaneously, thereby make first transportation area and second transportation area rotate simultaneously, first transportation subassembly and second transportation subassembly are through controlling with total driving piece, make first transportation subassembly and second transportation subassembly ability synchronous operation, also can reduce drive arrangement's quantity simultaneously, reduce the manufacturing cost of loading conveyer, and convenient debugging.

As a further improvement of the above technical solution, the basic parameters of the first driving wheel and the first driven wheel are the same.

Through the scheme, the first driving wheel and the first driven wheel adopt the same basic parameters to ensure the same rotating speed of the first driving wheel and the first driven wheel, so that the rotating speeds of the first conveying belt and the second conveying belt are the same, and in the process that goods are moved from the first conveying belt to the second conveying belt, the situation that the bottom of the goods is abraded or parts inside the goods are collided due to the reason of inertia and the like caused by the speed difference of the first conveying belt and the second conveying belt is avoided.

As a further improvement of the above technical solution, the third transportation assembly includes a third main frame, a third telescopic frame, a telescopic driving mechanism and a third transportation mechanism; the telescopic driving mechanism is arranged on the third main frame body; the telescopic driving mechanism drives the third telescopic frame body and the third main frame body to relatively slide, and the third telescopic frame body slides along the direction from the fourth hinged end to the discharge end, so that the third telescopic frame body extends out of or retracts into the third main frame body; third transport mechanism includes third transportation area, third transportation driving piece, third transportation drive roller and third tail end roller, third transportation driving piece fixed mounting in the flexible support body of third, third transportation driving piece drive third transportation drive roller rotates, third transportation area is walked around third transportation drive roller and third tail end roller, third transportation drive roller with third transportation area transmission is connected.

Through above-mentioned scheme, third expansion bracket physical stamina is compared in the third body frame body and is stretched out to the direction of keeping away from second transportation subassembly, makes the warehousing and transportation space that third transportation subassembly can go deep more the freight train to third transportation driving piece can drive the rotation of third transportation area, thereby makes the third transportation area can remove the transportation to the goods when third expansion bracket body stretches out, makes the distance of workman's transport goods shorten, alleviates staff's work burden.

As a further improvement of the above technical solution, the third transportation assembly includes a third main frame, a third telescopic frame, a telescopic driving mechanism and a third transportation mechanism; the telescopic driving mechanism is arranged on the third main frame body; the telescopic driving mechanism drives the third telescopic frame body and the third main frame body to relatively slide, and the third telescopic frame body slides along the direction from the fourth hinged end to the discharge end, so that the third telescopic frame body extends out of or retracts into the third main frame body; the third conveying mechanism comprises a third conveying belt, a third conveying driving piece, a third conveying driving roller and a third tail end roller; the third transportation driving part is fixedly arranged on the third main frame body, the third transportation driving roller is rotationally connected with the third main frame body, and the third transportation driving part drives the third transportation driving roller to rotate; the third tail end roller is rotatably connected with the third telescopic frame body; the third body frame body is provided with first transfer roller, first transfer roller set up in the third body frame body is kept away from the one end of fourth hinged end, the flexible support body of third is provided with second transfer roller, second transfer roller set up in the flexible support body of third is kept away from the one end of discharge end, second transfer roller set up in first transfer roller is close to one side of fourth hinged end, third transportation area is walked around in proper order third transportation drive roller first transfer roller second transfer roller with third tail end roller, third transportation drive roller with third transportation area transmission is connected.

Through above-mentioned scheme, third expansion bracket physical stamina is compared in the third body frame body and is stretched out to the direction of keeping away from second transportation subassembly, makes the warehousing and transportation space that third transportation subassembly can more go deep into the freight train, makes the distance of workman's transport goods shorten, alleviates staff's work burden. When the third telescopic frame body stretches out, the length that can transport the goods in third transportation area is the longest, and when the shrink of third telescopic frame body gets into the third body frame body, the length that can transport the goods in third transportation area shortens, the length that is located the third transportation area between first transfer roller and the second transfer roller increases, even the third conveyer belt is in fold condition, first transfer roller and second transfer roller make the third telescopic frame body no matter be in any position the third transportation area homoenergetic keep sufficient tension, thereby make the third telescopic frame body can adjust the length that stretches out the third body frame body according to the difference with the goods distance, and no matter how much length of the third body frame body is stretched out to the third telescopic frame body all can transport the goods on the third conveyer belt.

As a further improvement of the above technical scheme, the telescopic driving mechanism comprises a telescopic driving member, a telescopic driving gear and a telescopic driving rack, the telescopic driving member is fixedly connected with the third main frame body, the telescopic driving member drives the telescopic driving gear to rotate, the telescopic driving rack is fixedly connected with the third telescopic frame body, and the telescopic driving rack is meshed with the telescopic driving gear.

Through above-mentioned scheme, when the flexible support body of drive third stretches out or retracts, flexible driving piece drive telescopic drive gear rotates to drive flexible drive rack and the flexible support body of third and be linear motion, simple structure.

As a further improvement of the above technical solution, the third main frame body and the third telescopic frame body are both fixedly connected with a bearing member, and the upper end surface of the bearing member is abutted to the third conveyor belt.

Through above-mentioned scheme, the supporting piece can be used for the bearing third conveyer belt, avoids the goods overweight to lead to the transportation of the too big influence goods of third conveyer belt deformation volume.

As a further improvement of the technical scheme, the third telescopic frame body is provided with a guide strip in a protruding mode, the third main frame body is provided with a guide structure, the guide structure is provided with a guide channel, and the guide strip slides in the guide channel.

Through above-mentioned scheme, the guide passage can play the effect that the bearing gib block was led and was carried out the direction to the gib block.

As a further improvement of the above technical solution, the guiding structure includes two sets of supporting roller groups, the two sets of supporting roller groups are arranged vertically, each supporting roller group includes a plurality of supporting roller bodies linearly arranged along a direction from the fourth hinged end to the discharge end, the supporting roller bodies are rotatably connected to the third main frame body, the guiding channel is a space between the two sets of supporting roller groups, and the guiding strip is supported by the plurality of supporting roller bodies.

Through above-mentioned scheme, the friction when supporting roller physical stamina reduces the removal of the flexible support body of third, reduces the production of noise to can prolong the life of the flexible support body of third and the third body frame body.

The utility model has the beneficial effects that: this scheme can avoid using artificial mode in the past to pile up the goods with the mode of goods lifting, reduces staff's work burden.

The utility model is used in the technical field of transportation devices.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

Fig. 1 is a schematic view of an overall structure of a third telescopic frame body according to an embodiment of the present invention when extended;

FIG. 2 is a schematic cross-sectional view of portion A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of portion B-B of FIG. 1;

fig. 4 is a schematic view of the overall structure of the third telescoping rack body according to the embodiment of the utility model when retracted;

FIG. 5 is a schematic structural view of a third transport assembly of an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure of a first transport assembly and a second transport assembly of an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a third transportation assembly according to a first embodiment of the utility model.

In the figure, 100, a rack; 200. a first transport assembly; 210. a feeding end; 220. a first hinged end; 230. a first conveyor belt; 240. a first transport drive roller; 300. a second transport assembly; 310. a second hinged end; 320. a third hinge end; 330. a second conveyor belt; 340. a second transport drive roller; 400. a third transport assembly; 401. a third transport drive; 402. a third conveyor belt; 403. a third transport drive roller; 404. a third tail roller; 405. a first transfer roller; 406. a second transfer roller; 410. a fourth hinged end; 420. a discharge end; 430. a third main frame body; 440. a third telescopic frame body; 450. a telescopic driving member; 460. a telescopic driving gear; 470. a telescopic driving rack; 480. a support member; 491. a guide strip; 492. supporting the rollers; 510. a first drive wheel; 520. a first driven wheel; 530. a steering synchronizing wheel; 540. a main drive member; 610. a lifting drive member; 620. a swing rod; 630. a lifting support rod.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

The first embodiment is as follows:

referring to fig. 1 to 7, a loading conveyor, a frame 100; the bottom of the frame 100 is provided with a plurality of rollers and fixing legs.

The first transportation assembly 200, the first transportation assembly 200 is fixedly installed on the rack 100, and two ends of the first transportation assembly 200 are respectively a first hinge end 220 and a feeding end 210.

The second transportation assembly 300, two ends of the second transportation assembly 300 are respectively a second hinged end 310 and a third hinged end 320, the second hinged end 310 is butted with the first hinged end 220, the second hinged end 310 is hinged with the first hinged end 220, and the hinged axis of the first hinged end 220 and the second hinged end 310 is set as a first rotating axis.

The third transport assembly 400 has a fourth hinged end 410 and a discharge end 420 at two ends of the third transport assembly 400, the fourth hinged end 410 is connected to the third hinged end 320, and the fourth hinged end 410 is connected to the third hinged end 320.

And the lifting driving device drives the third transportation assembly 400 to move up and down and the second transportation assembly 300 to rotate around the first rotating shaft.

The lifting driving device includes a lifting driving member 610, a swinging rod 620 and a lifting stay 630, the lifting driving member 610 is configured as a linear oil cylinder (in other embodiments, the lifting driving member 610 may also adopt a linear driving device such as a linear motor or a linear air cylinder), the lifting driving member 610 is fixed relative to the rack 100, the upper end of the swinging rod 620 is hinged to the third transportation component 400, the lower end of the swinging rod 620 is connected to the lifting driving member 610, the lower end of the lifting stay 630 is hinged to the rack 100, the upper end of the lifting stay 630 is hinged to the third transportation component 400, the transportation directions of the lifting stay 630 and the second transportation component 300 are always parallel, and the lifting driving member 610 drives the swinging rod 620 to move up and down.

The first conveyance assembly 200 includes a first conveyance frame body, a first conveyance belt 230, a first conveyance driven roller, and a first conveyance driving roller 240. First transportation driven roller and first transportation drive roller 240 set up respectively in the both ends of first transportation support body, and first transportation driven roller and first transportation drive roller 240 all rotate with first transportation support body and are connected. The first conveyor belt 230 passes around the first conveyor driving roller 240.

The second conveyance assembly 300 includes a second conveyance frame body, a second conveyance belt 330, a second conveyance driven roller, and a second conveyance driving roller 340. The second transportation driven roller and the second transportation driving roller 340 are respectively arranged at two ends of the second transportation frame body, the second transportation driving roller 340 is arranged at the second hinged end 310, and the second transportation driven roller and the second transportation driving roller 340 are both rotationally connected with the second transportation frame body. The second conveyor belt 330 passes around the second conveyor drive roller 340.

A general driving member 540 and a linkage mechanism are disposed between the first transport assembly 200 and the second transport assembly 300.

The main drive 540 is provided as a rotary motor, and the main drive 540 is mounted to the frame 100. The linkage mechanism comprises a first driving wheel 510, a first driven wheel 520 and a steering synchronous wheel 530; the first driving wheel 510 is fixed opposite to the first transporting driving roller 240; the general driving member 540 drives the first transportation driving roller 240 and the first driving wheel 510 to rotate, and the first transportation belt 230 is in transmission connection with the first transportation driving roller 240; the first driving wheel 510 is mechanically connected with the first driven wheel 520 through a steering synchronous wheel 530, and the basic parameters of the first driving wheel 510 and the first driven wheel 520 are the same. The first driven wheel 520 is fixed opposite to the second transport driving roller 340, and the second transport belt 330 is in driving connection with the second transport driving roller 340.

The third transport assembly 400 includes a third main frame 430, a third telescopic frame 440, a telescopic driving mechanism, and a third transport mechanism; the telescopic driving mechanism is mounted on the third main frame 430; the telescopic driving mechanism drives the third telescopic frame body 440 and the third main frame body 430 to slide relatively, so that the third telescopic frame body 440 extends or retracts to the third main frame body 430 along the direction from the fourth hinged end 410 to the discharge end 420; the third conveyance mechanism includes a third conveyance belt, a third conveyance driving member 401, a third conveyance driving roller 403, and a third trailing end roller 404; the third transportation driving member 401 is fixedly mounted on the third main frame 430, the third transportation driving roller 403 is rotatably connected with the third main frame 430, and the third transportation driving member 401 drives the third transportation driving roller 403 to rotate; the third tail roller 404 is rotatably connected to the third telescopic frame 440; the third main frame body 430 is provided with a first transfer roller 405, the first transfer roller 405 is arranged at one end, far away from the fourth hinged end 410, of the third main frame body 430, the third telescopic frame body 440 is provided with a second transfer roller 406, the second transfer roller 406 is arranged at one end, far away from the discharge end 420, of the third telescopic frame body 440, the second transfer roller 406 is arranged at one side, close to the fourth hinged end 410, of the first transfer roller 405, the third conveying belt 402 sequentially bypasses the third conveying driving roller 403, the first transfer roller 405, the second transfer roller 406 and the third tail end roller 404, and the third conveying driving roller 403 is in transmission connection with the third conveying belt 402.

The telescoping drive mechanism includes a telescoping drive member 450, a telescoping drive gear 460, and a telescoping drive rack 470. The telescopic driving member 450 is a rotary motor, the telescopic driving member 450 is fixedly connected to the third main frame 430, the telescopic driving member 450 drives the telescopic driving gear 460 to rotate, the telescopic driving rack 470 is fixedly connected to the third telescopic frame 440, and the telescopic driving rack 470 is engaged with the telescopic driving gear 460. In other embodiments, the telescopic driving mechanism may be directly configured such that a linear driving device, such as a linear cylinder or a linear motor, drives the third telescopic frame body 440 to extend or retract.

The third main frame body 430 and the third telescopic frame body 440 are both fixedly connected with a bearing member 480, the bearing member 480 is of a plate-shaped structure, and the upper end face of the bearing member 480 is abutted to the third conveying belt.

The third telescopic frame body 440 is provided with a guide strip 491 in a protruding manner, the third main frame body 430 is provided with a guide structure, the guide structure is provided with a guide channel, and the guide strip 491 slides in the guide channel.

The guide structure comprises two groups of supporting rollers 492, the two groups of supporting rollers 492 are arranged up and down, each group of supporting rollers 492 comprises a plurality of supporting roller 492 bodies which are linearly arranged along the direction from the fourth hinged end 410 to the discharge end 420, the supporting roller 492 bodies are rotatably connected with the third main frame body 430, the guide channel is a space between the two groups of supporting rollers 492, and the guide strip 491 is supported by the plurality of supporting roller 492 bodies.

Example two (not shown in the figures):

unlike the first embodiment, the third transport assembly 400 includes a third main frame 430, a third telescopic frame 440, a telescopic driving mechanism, and a third transport mechanism; the telescopic driving mechanism is mounted on the third main frame 430; the telescopic driving mechanism drives the third telescopic frame body 440 and the third main frame body 430 to slide relatively, so that the third telescopic frame body 440 extends or retracts to the third main frame body 430 along the direction from the fourth hinged end 410 to the discharge end 420; the third transportation mechanism comprises a third transportation belt 402, a third transportation driving member 401, a third transportation driving roller 403 and a third tail end roller 404, the third transportation driving member 401 is fixedly installed at one end of the third telescopic frame body 440 far away from the fourth hinged end 410, the third transportation driving member 401 drives the third transportation driving roller 403 to rotate, the third transportation belt 402 bypasses the third transportation driving roller 403 and the third tail end roller 404, and the third transportation driving roller 403 is in transmission connection with the third transportation belt 402.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims (10)

1. The utility model provides a loading conveyer which characterized in that: the method comprises the following steps:

a frame (100);

the first transportation assembly (200), the first transportation assembly (200) is fixedly arranged on the rack (100), and two ends of the first transportation assembly (200) are respectively a first hinged end (220) and a feeding end (210);

a second transportation assembly (300), wherein a second hinged end (310) and a third hinged end (320) are respectively arranged at two ends of the second transportation assembly (300), the second hinged end (310) is butted with the first hinged end (220), the second hinged end (310) is hinged with the first hinged end (220), and the hinged shafts of the first hinged end (220) and the second hinged end (310) are set as a first rotating shaft;

a third transport assembly (400), a fourth hinged end (410) and a discharge end (420) being at two ends of the third transport assembly (400), respectively, the fourth hinged end (410) being in butt joint with the third hinged end (320), and the fourth hinged end (410) being in butt joint with the third hinged end (320);

the lifting driving device drives the third transportation assembly (400) to move up and down and the second transportation assembly (300) to rotate around the first rotating shaft.

2. A loading conveyor as claimed in claim 1, wherein: the lifting driving device comprises a lifting driving piece (610), a swinging rod (620) and a lifting support rod (630), the lifting driving piece (610) is relatively fixed with the rack (100), the upper end of the swinging rod (620) is hinged to the third transportation component (400), the lower end of the swinging rod (620) is connected with the lifting driving piece (610), the lower end of the lifting support rod (630) is hinged to the rack (100), the upper end of the lifting support rod (630) is hinged to the third transportation component (400), the lifting support rod (630) is always parallel to the transportation direction of the second transportation component (300), and the lifting driving piece (610) drives the swinging rod (620) to move up and down.

3. A loading conveyor as claimed in claim 1, wherein: the first transport assembly (200) comprises a first transport belt (230) and a first transport drive roller (240), the first transport belt (230) passing around the first transport drive roller (240); the second transport assembly (300) comprises a second transport belt (330) and a second transport drive roller (340), the second transport belt (330) passing around the second transport drive roller (340); a general driving part (540) and a linkage mechanism are arranged between the first transportation assembly (200) and the second transportation assembly (300); the main drive (540) is mounted to the frame (100); the linkage mechanism comprises a first driving wheel (510), a first driven wheel (520) and a steering synchronous wheel (530); the first driving wheel (510) is fixed relative to the first transport driving roller (240); the general driving part (540) drives the first transportation driving roller (240) and the first driving wheel (510) to rotate, and the first transportation belt (230) is in transmission connection with the first transportation driving roller (240); the first driving wheel (510) is in mechanical transmission connection with the first driven wheel (520) through the steering synchronous wheel (530), the first driven wheel (520) is relatively fixed with the second transportation driving roller (340), and the second transportation belt (330) is in transmission connection with the second transportation driving roller (340).

4. A loading conveyor as claimed in claim 3, wherein: the basic parameters of the first driving wheel (510) and the first driven wheel (520) are the same.

5. A loading conveyor as claimed in claim 1, wherein: the third transportation assembly (400) comprises a third main frame body (430), a third telescopic frame body (440), a telescopic driving mechanism and a third transportation mechanism; the telescopic driving mechanism is arranged on the third main frame body (430); the telescopic driving mechanism drives the third telescopic frame body (440) and the third main frame body (430) to relatively slide, and the third telescopic frame body (440) slides along the direction from the fourth hinged end (410) to the discharge end (420), so that the third telescopic frame body (440) extends out or retracts into the third main frame body (430); third transport mechanism includes third transportation area (402), third transportation driving piece (401), third transportation drive roller (403) and third tail end roller (404), third transportation driving piece (401) fixed mounting in the flexible support body of third (440), third transportation driving piece (401) drive third transportation drive roller (403) rotate, third transportation area (402) is walked around third transportation drive roller (403) and third tail end roller (404), third transportation drive roller (403) with third transportation area (402) transmission is connected.

6. A loading conveyor as claimed in claim 1, wherein: the third transportation assembly (400) comprises a third main frame body (430), a third telescopic frame body (440), a telescopic driving mechanism and a third transportation mechanism; the telescopic driving mechanism is arranged on the third main frame body (430); the telescopic driving mechanism drives the third telescopic frame body (440) and the third main frame body (430) to relatively slide, and the third telescopic frame body (440) slides along the direction from the fourth hinged end (410) to the discharge end (420), so that the third telescopic frame body (440) extends out or retracts into the third main frame body (430); the third transportation mechanism comprises a third conveyer belt, a third transportation driving piece (401), a third transportation driving roller (403) and a third tail end roller (404); the third transportation driving member (401) is fixedly mounted on the third main frame body (430), the third transportation driving roller (403) is rotatably connected with the third main frame body (430), and the third transportation driving member (401) drives the third transportation driving roller (403) to rotate; the third tail end roller (404) is rotatably connected with the third telescopic frame body (440); the third body frame (430) is provided with first transfer roller (405), first transfer roller (405) set up in the third body frame (430) is kept away from the one end of fourth hinged end (410), third telescopic frame body (440) is provided with second transfer roller (406), second transfer roller (406) set up in third telescopic frame body (440) is kept away from the one end of discharge end (420), second transfer roller (406) set up in first transfer roller (405) is close to one side of fourth hinged end (410), third transportation area (402) is walked around in proper order third transportation drive roller (403), first transfer roller (405), second transfer roller (406) and third tail end roller (404), third transportation drive roller (403) with third transportation area (402) transmission connection.

7. A loading conveyor as claimed in claim 5 or claim 6, wherein: the telescopic driving mechanism comprises a telescopic driving part (450), a telescopic driving gear (460) and a telescopic driving rack (470), the telescopic driving part (450) is fixedly connected with the third main frame body (430), the telescopic driving part (450) drives the telescopic driving gear (460) to rotate, the telescopic driving rack (470) is fixedly connected with the third telescopic frame body (440), and the telescopic driving rack (470) is meshed with the telescopic driving gear (460).

8. A loading conveyor as claimed in claim 5 or claim 6, wherein: the third main frame body (430) and the third telescopic frame body (440) are fixedly connected with a bearing piece (480), and the upper end face of the bearing piece (480) is abutted to the third conveying belt.

9. A loading conveyor as claimed in claim 5 or claim 6, wherein: the third telescopic frame body (440) is provided with a guide strip (491) in a protruding mode, the third main frame body (430) is provided with a guide structure, the guide structure is provided with a guide channel, and the guide strip (491) slides in the guide channel.

10. A loading conveyor as claimed in claim 9, wherein: the guide structure comprises two groups of support rollers (492), the two groups of support rollers (492) are arranged up and down, each group of support rollers (492) comprises a plurality of support roller (492) bodies which are linearly arranged along the direction from the fourth hinged end (410) to the discharge end (420), the support roller (492) bodies are rotatably connected with the third main frame body (430), the guide channel is a space between the two groups of support rollers (492), and the guide strip (491) is supported by the plurality of support roller (492) bodies.

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