CN214494645U

CN214494645U - One-car double-belt sorting trolley

Info

Publication number: CN214494645U
Application number: CN202120171307.3U
Authority: CN
Inventors: 肖金飞; 唐兵; 黄春阳; 姚小芬; 张亚琴; 陆兰珍
Original assignee: Kengic Intelligent Technology Co Ltd
Current assignee: Kengic Intelligent Technology Co Ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-26
Anticipated expiration: 2031-01-21

Abstract

Two area letter sorting dollies of whole car, to whole car dual delivery modular structure optimize to carry when the realization has different specification and dimension goods concurrently and sort the operation, improve correspondingly that two conveying unit unilateral are synchronous or the control accuracy of the two-way letter sorting of both sides is unloaded. A double belt sorting cart has an upper conveyor line and a lower frame connected in a vertical direction by a bolt assembly. The upper conveying assembly comprises a first conveying unit, a second conveying unit, a first folding plate, a middle sealing plate, a second folding plate, a first bending plate, a second bending plate, a third bending plate and a fourth bending plate; the lower frame consists of a trolley frame, a walking wheel assembly, a guide wheel assembly, double supporting plates, double supporting plate symmetrical parts, supporting plates, supporting plate symmetrical parts, a joint bearing assembly, a secondary plate pressing plate, a first nut block, a secondary plate mounting profile and a second nut block.

Description

One-car double-belt sorting trolley

Technical Field

The utility model relates to a be applied to novel walking dolly of letter sorting conveying equipment belongs to logistics storage technical field.

Background

In the logistics sorting operation field of the existing e-commerce and express delivery industries, a sorting trolley is generally adopted to carry out automatic cargo conveying, sorting, rechecking and other operations. The walking trolley loaded with the goods is circularly conveyed on the conveying line so as to realize the rapid sorting and loading and unloading of the goods.

The combined sorting trolley comprises a conveying assembly arranged at the upper part and a frame assembly arranged at the lower part, wherein the conveying assembly comprises 2 groups of parallel and independently arranged conveying units; and the same side of the 2 groups of conveying units is connected with an organ cover together. The conveying unit is a sorting belt assembly and comprises sorting belts connected to the upper parts of a belt supporting plate, a power roller and an unpowered roller, and the belt supporting plate is respectively connected with the first side plate and the second side plate through bolts; a plurality of organ cover mounting plates for mounting organ covers are arranged on the outer sides of the first side plate or the second side plate; the first side plate and the second side plate are connected with the frame component downwards.

Although the one-car double conveying is realized in the prior art, the control form of horizontal one-car double conveying is still to be improved in the control form of synchronous and two-side sorting and unloading of the double conveying units, and the modular structure of the upper and lower components is not perfect, so that the self weight of the trolley is still large, and the assembly and field operation efficiency of the whole trolley are still required to be improved. Moreover, since the mounting connection between the upper and lower structures is to be improved, sorting of large, heavy goods is still significantly limited.

In view of this, the present patent application is specifically proposed.

SUMMERY OF THE UTILITY MODEL

Two area letter sorting dollies of whole car, lie in solving the problem that above-mentioned prior art exists and send modular structure to the whole car dual to optimize to carry when the realization has different specification and dimension goods concurrently and sort the operation, improve correspondingly that two conveying unit unilateral are synchronous or the control accuracy of both sides two-way letter sorting discharge.

In order to achieve the design purpose, the one-vehicle double-belt sorting trolley is provided with an upper conveying line and a lower frame which are connected through a bolt assembly in the vertical direction. The upper conveying assembly comprises a first conveying unit, a second conveying unit, a first folding plate, a middle sealing plate, a second folding plate, a first bending plate, a second bending plate, a third bending plate and a fourth bending plate; the first conveying unit and the second conveying unit have the same structure; the first conveying unit consists of a trolley belt, a belt supporting plate, a pair of side plates, a servo electric roller, an unpowered roller, a pull rod, an adjusting block, an adjusting nut, an adjusting bolt and an organ cover mounting plate; the first bending plate, the second bending plate, the third bending plate and the fourth bending plate are fixedly connected with the side plates through side plate bolts respectively; between the first conveying unit and the second conveying unit, middle closing plates are arranged on the organ cover mounting plates on the two sides of the side plates and fixedly connected through closing plate bolts; the lower frame consists of a trolley frame, a walking wheel assembly, a guide wheel assembly, double supporting plates, double supporting plate symmetrical parts, supporting plates, supporting plate symmetrical parts, a joint bearing assembly, a secondary plate pressing plate, a first nut block, a secondary plate mounting profile and a second nut block; the double supporting plates and the symmetrical parts of the double supporting plates are respectively arranged on two sides of the trolley frame through supporting plate bolts; the supporting plate and the symmetrical parts of the supporting plate are respectively arranged on two sides of the trolley frame through supporting bolts.

Furthermore, the middle sealing plate is an integral bending piece, and the two sides of the middle sealing plate are inwards bent to form an inner circular arc.

Furthermore, the first folding plate is fixedly connected with an organ cover mounting plate on the second conveying unit through a first folding plate bolt; the bent surface of the second folding plate on the other side is attached to the side plate surface, and the waist hole is fixedly connected with the avoidance hole in the side plate of the first conveying unit through a first bolt; the first folding plate is of a flat plate structure, one end of the first folding plate is a first straight section, and the other end of the first folding plate is a first oblique circular arc.

Furthermore, the second folding plate is a 90-degree folding plate, one end of the second folding plate is a second straight section, and the other end of the second folding plate is a second oblique circular arc.

Furthermore, the belt supporting plate is provided with a plurality of groups of round holes for reducing the self weight, and a bent V-shaped groove and a rib plate for avoiding interference with a trolley belt; the side part of the belt supporting plate is provided with a mounting hole and an avoiding hole, and a nut is welded in the mounting hole.

Furthermore, the guide wheel assembly is arranged below the trolley frame, the walking wheel assembly is arranged at two ends of the trolley frame, and the joint bearing assembly is fixedly connected with the trolley frame through a bearing bolt.

Furthermore, a nut plate is arranged on the vertical surface of the groove of the trolley frame.

Furthermore, the joint bearing assembly consists of a pin shaft, a spacer bush, a joint bearing, a connecting seat, a first anti-loose washer, a first nut, a second anti-loose washer and a second nut; the two sides of the knuckle bearing are respectively provided with a spacer bush which are arranged in the connecting seat, and a pin shaft sequentially passes through a unilateral hole on one side, the spacer bush on one side, the knuckle bearing, the spacer bush on the other side and a unilateral hole on the other side of the connecting seat and is locked on a vertical plane on the outer side of the unilateral hole on the other side of the connecting seat through a first anti-loose washer and a first nut; the end of the knuckle bearing pin penetrates into a tail hole of the trolley frame, and a group of second anti-loose washers and second nuts are respectively used on two side faces of the tail hole of the trolley frame for fastening and mounting.

Furthermore, the upper surface of the secondary plate mounting section is attached to the lower bottom surface of the trolley frame, and the section bolt penetrates out of the frame groove and is fixedly connected with a second nut block and a section bolt in the secondary plate mounting section; one side of the secondary plate is attached to the vertical surface of the secondary plate mounting profile, one side of the secondary plate pressing plate is attached to the other side of the secondary plate, and the secondary plate 26 is located in the middle mounting position, so that compact mounting is achieved.

In summary, the one-car double-belt sorting trolley has the following advantages:

1. the letter sorting dolly takes vertical whole car to carry two, can realize that the whole car is many to be carried, also can two sets of and use and synchronous one side letter sorting, and the general type of letter sorting operation is stronger, and the letter sorting goods is more comprehensive, letter sorting efficiency has very big promotion.

2. The whole compact of dolly, be favorable to improving the control accuracy of different letter sorting modes, modular structure is favorable to reducing the on-the-spot maintenance degree of difficulty and manufacturing cost.

3. The whole vehicle realizes complete modular structure improvement, the connection between the upper part and the lower part is compact, the self weight of the sorting trolley is favorably reduced, the assembly and field operation efficiency of the whole vehicle is correspondingly improved, and the manufacturing and use cost is favorably reduced.

4. Optimizes the installation and connection structure between the upper structure and the lower structure, realizes light weight and is suitable for the body

And sorting the goods with larger volume and weight.

Drawings

The invention will now be further described with reference to the following figures.

FIG. 1 is a schematic structural view of a single-vehicle double-belt sorting trolley according to the present application;

FIG. 2-1 is a schematic view of an upper conveyor line;

FIGS. 2-2 and 2-3 are schematic structural views of a single conveying unit in two directions, respectively;

FIGS. 3-1 and 3-2 are schematic views of the construction of a two-directional belt pallet, respectively;

FIG. 4 is a schematic view of the construction of the side panel;

FIG. 5 is a schematic view of the construction of an intermediate pallet;

FIG. 6 is a schematic structural view of the first folding plate;

FIG. 7 is a schematic view of a second folding plate;

FIG. 8-1 is a schematic view of the construction of the lower frame;

FIG. 8-2 is a schematic side view of the structure of FIG. 8-1;

FIGS. 9-1 and 9-2 are schematic views of the knuckle bearing mounting in 2 orientations, respectively;

FIG. 10 is a schematic view of a secondary board installation;

FIG. 11 is a schematic structural view of the carriage frame;

Detailed Description

Example 1, as shown in fig. 1, a one-car two-belt sorting cart according to the present application has an upper conveyor line 100 and a lower frame 200 connected in a vertical direction by a bolt assembly 300.

As shown in fig. 2-1 to 2-3, the upper conveying assembly 100 includes a first conveying unit 101, a second conveying unit 102, a first folding plate 1, an intermediate sealing plate 2, a second folding plate 3, a first bending plate 4, a second bending plate 5, a third bending plate 6 and a fourth bending plate 7.

The first conveying unit 101 and the second conveying unit 102 have the same structure;

taking the first conveying unit 101 as an example, the first conveying unit is composed of a trolley belt 8, a belt supporting plate 9, a pair of side plates 10, a servo electric roller 11, an unpowered roller 12, a pull rod 13, an adjusting block 14, an adjusting nut 15, an adjusting bolt 16, an organ cover mounting plate 17 and a roller connecting nut 32.

Specifically, the first bending plate 4, the second bending plate 5, the third bending plate 6 and the fourth bending plate 7 are respectively and fixedly connected with the side plate holes 309 of the side plates 10 through side plate bolts 321; between the first conveying unit 101 and the second conveying unit 102, the intermediate closing plates 2 are provided on the gusset cover mounting plates 17 on both sides of the side plate 10, and are fixedly connected by the closing plate bolts 322 to complete the mounting of the intermediate closing plates 2.

As shown in fig. 5, the intermediate sealing plate 2 is designed as an integral bending member, and two sides thereof are folded inwards to form inner circular arcs 323 for covering the upper ends of the side plate circular arcs 324 of the side plates 10, thereby not only connecting two independent conveying units, but also preventing dust, and protecting goods from entering the hollow space to affect the normal operation of sorting loop.

The first folding plate 1 is fixedly connected with the organ cover mounting plate 17 on the first conveying unit 101 through a plurality of groups of first folding plate bolts 326; the bent surface of the second folding plate 3 on the other side is attached to the side plate surface, meanwhile, the waist hole 331 is fixedly connected to the side plate hole 307 on the side plate 10 of the second conveying unit 102 through the second folding plate mounting bolt 327, and the second square groove 332 of the second folding plate 3 is used for avoiding and avoiding interference of the side plate bolt 318.

As shown in fig. 6, the first folding plate 1 is in the form of a flat plate, and has a first straight section 333 at one end and a first oblique arc 328 at the other end.

As shown in fig. 7, the second folding plate 3 is a 90-degree folding plate, and has one end having a second straight section 329 and one end having a second oblique circular arc 330. When the front and the rear trolleys are mutually connected and run on a circular line, when the two folding plates pass through the turning section, the oblique circular arcs between the two folding plates simultaneously point to the turning circle center, and mutual interference can be avoided during butt joint.

As shown in fig. 3-1 and 3-2, a plurality of sets of round holes 301 are provided on the belt pallet 9 for reducing the self-weight; meanwhile, a bending V-shaped groove 302 is arranged to avoid interference with the trolley belt 8; in addition, a group of rib plates 303 are arranged on the belt supporting plate 9 to improve the overall mechanical strength of the supporting plate; a mounting hole 304 and an avoidance hole 305 are formed in the side portion of the belt supporting plate 9, and a nut is welded in the mounting hole 304 and is used for being fixedly connected with the side plate 10; the avoiding hole 305 is designed to avoid the interference between the connecting bolt of the side plate 10 and the belt supporting plate 9 when the side plate 10 is connected with the relevant parts.

As shown in fig. 4, the side plate 10 is provided with a plurality of different sets of holes and is respectively provided with different functions, for example, the assembly hole 306 is connected with the mounting hole 304 of the belt supporting plate 9 through a bolt, so as to fix the side plate 10 and the belt supporting plate 9; the side plate hole 307 is connected with the organ cover mounting plate 17 by the organ bolt 317 as shown in fig. 2 to 3, so that the organ cover mounting plate 17 is mounted on the side plate 10.

The first conveying unit 101 configured as described above is assembled in the following order: firstly, fixedly connecting a belt supporting plate 9 with a group of side plates 10 through side plate bolts 318; then, fixedly connecting the plurality of pull rods 13 with the pull rod mounting holes 308 of the pair of side plates 10 through pull rod bolts 320 respectively; subsequently, the shaft ends of the servo motorized pulley 11 are inserted into the pulley coupling holes 312 of the side plates 10, and both ends of the pulley are locked with the pulley coupling nuts 32; then, the group of adjusting blocks 14 are respectively fixed with the adjusting block mounting holes 310 of the side plates 10 on the two sides through adjusting bolts 319; inserting the shaft end of the unpowered roller 12 into the square slot hole 311 of the side plate 10 to further pass the adjusting bolt 16 through the shaft hole of the unpowered roller 12 and the through hole on the adjusting block 14 in sequence, and simultaneously using a set of roller adjusting nuts 15 to respectively provide the unpowered roller 12 and the adjusting block 14; fixedly connecting the organ cover mounting plate 17 with a side plate hole 307 of the side plate 10 through a bolt 317; after the above steps are completed, the trolley belt 8 is arranged on the surface of the roller along the axes of the two rollers, surrounds the roller and the supporting plate and forms an independent unit module. If tensioning of the trolley belt 8 is required, the distance of the adjusting bolt 16 relative to the unpowered roller 12 can be adjusted by loosening the adjusting nut 15. During subsequent maintenance, the unpowered roller 12 can be replaced and maintained only by loosening the adjusting nut 15 on the adjusting bolt 16; the servo torch roller 11 can be replaced and maintained by unscrewing the roller connecting nut 32. The operation is simple, and the time for maintenance is reduced.

Based on the above-described structure and mounting sequence, the organ cover mounting plate 17 is mounted on one side plate 10 of the first conveying unit 101, and the organ cover mounting plates 17 are mounted on both side plates 10 of the second conveying unit 102.

From this, the whole car double band letter sorting dolly of this application can be applicable to the transport of heavier, longer goods.

As shown in fig. 8-1 to 8-2, the lower frame 200 is composed of a small carriage 18, a road wheel assembly 19, a guide wheel assembly 20, a double support plate 21, a double support plate symmetrical member 22, a support plate 23, a support plate symmetrical member 24, a joint bearing assembly 25, a secondary plate 26, a secondary plate pressing plate 27, a first nut block 28, a secondary plate mounting profile 29, and a second nut block 30.

Specifically, the double support plates 21 and the double support plate symmetrical members 22 are respectively mounted on two sides of the trolley frame 18 through support plate bolts 401; the support plate 23 and the support plate symmetrical part 24 are respectively arranged at two sides of the trolley frame 18 through support bolts 402; wherein, the double supporting plates 21, the double supporting plate symmetrical members 22, the supporting plates 23, and the supporting plate symmetrical members 24 are used for the fixed connection between the lower frame 200 and the upper conveying assembly 100 and provide sufficient strength support for the upper conveying assembly 100. The double supporting plates 21, the double supporting plate symmetrical parts 22, the supporting plates 23 and the supporting plate symmetrical parts 24 are high in structural design strength and convenient to install, complexity of field installation is remarkably reduced by simplifying the number of parts, and the whole installation progress can be effectively improved and operation difficulty can be effectively reduced.

The guide wheel assembly 19 is arranged below the trolley frame 18, the travelling wheel assembly 20 is arranged at two ends of the trolley frame 18, and the joint bearing assembly 25 is fixedly connected with the trolley frame 18 through a joint bearing assembly mounting bolt 407.

The nut plate 31 is added on the back of the groove of the small car frame 18, and as the small car frame 18 is made of aluminum, in order to ensure the effective connection of the joint bearing assembly 25 and the small car frame 18, the added nut plate 31 is made of high-quality carbon steel plates, and the plate is provided with threads so as to ensure the effective connection of the related parts.

As shown in fig. 9-1 and 9-2, the joint bearing assembly 25 is composed of a pin 501, a spacer 502, a joint bearing 503, a connecting seat 504, a first lock washer 505, a first nut 506, a second lock washer 507, and a second nut 508.

The two sides of the knuckle bearing 503 are respectively provided with a spacer 502 which are arranged in the connecting seat 504, the pin shaft 501 sequentially passes through a single-sided hole at one side of the connecting seat 504, the spacer 502 at one side, the knuckle bearing 503, the spacer 502 at the other side and a single-sided hole at the other side of the connecting seat 504, and is locked on the vertical plane at the outer side of the single-sided hole at the other side of the connecting seat 504 through a first anti-loose washer 505 and a first nut 506; the pin shaft end of the knuckle bearing 503 is inserted into the tail hole of the trolley frame 18, and a set of second lock washer 507 and second nut 508 are respectively used for fastening and mounting on two side surfaces of the tail hole of the trolley frame 18.

So far, the front and rear sorting trolleys can be connected in series end to end and assembled through the joint bearing assembly 25 with the structure.

As shown in fig. 10, the upper surface of the secondary plate mounting section 29 is attached to the lower bottom surface of the carriage frame 18, the section bolt 403 penetrates through the inside of the carriage frame groove, and is fixedly connected with the second nut block 30 and the section bolt 403 which are mounted inside the secondary plate mounting section 29, so that the secondary plate mounting section 29 and the carriage frame 18 are mounted completely.

One side of the secondary plate 26 is attached to the vertical surface of the secondary plate mounting section 29, and one side of the secondary plate holding plate 27 is attached to the other side of the secondary plate 26, so that the secondary plate 26 is positioned at the intermediate mounting position.

The secondary plate 26 is mounted and fastened through the pressing plate bolts 404, the pressing plate bolts 404 sequentially penetrate through the secondary plate pressing plate 27 and the secondary plate 26 and are connected with the first nut block 28 positioned inside the secondary plate mounting section 29.

The secondary plate 26 is provided with a secondary plate inner oblique circular arc 405 and a secondary plate outer oblique circular arc 406, when a group of secondary plates 26 are installed on the lower frame 200, a safety distance is reserved between the secondary plates and the lower frame, and meanwhile, the relative dislocation space of the inner circular arc and the outer circular arc effectively ensures that when the sorting trolley runs on a climbing track, the secondary plates and the track rib plates can be prevented from interfering with each other, and meanwhile, the effective contact area between the two sides of the secondary plates 26 and the air gaps of the linear motors is increased.

As shown in fig. 11, the small car frame 18 is formed by casting in one piece, the small car frame 18 has a plurality of sets of internal groove structures, the vertical frame reinforcing ribs 603 are designed in the grooves, and the weight-reducing square holes 601 are arranged at the bottom of the grooves, so that the structural design not only reduces the dead weight of the small car frame 18, but also effectively ensures the strength of the small car frame 18.

In order to fully utilize the internal space of the tank body, the tank body is partitioned by matching with reinforcing ribs, and a group of electric junction boxes are arranged in the internal area of the tank body. Meanwhile, a plurality of groups of holes are formed in the side part of the longitudinal beam groove body of the frame, so that the installation of the electric box and the penetration of a line are realized.

For example, different electrical components can be matched according to different sorting trolley operation requirements and functions, the second hole 602 is used for threading, the fourth hole 604 and the fifth hole 605 are used for fixing a supporting plate and the like, the sixth hole 606 is used for fixing the nut plate 31, the seventh hole 607 is used for fixing the first bending plate 4, the eighth hole 608 is used for fixedly mounting other electrical supports, and a plurality of ninth single-row holes 609 realize ordered and selective mounting of various functions. The trolley frame 18 plays a role of a frame main body, realizes multifunctional combination and ensures the orderly installation of other auxiliary parts.

The assembly process of the upper conveying assembly 100 and the lower frame 200 is that the bending bottom surface holes of the first bending plate 4, the second bending plate 5, the third bending plate 6 and the fourth bending plate 7 of the upper conveying assembly 100 correspond to the relevant holes of the double supporting plate 21, the double supporting plate symmetrical part 22, the supporting plate 23 and the supporting plate symmetrical part 24 respectively, and then the upper conveying assembly 100 and the lower frame 200 are fixedly connected through a plurality of groups of bolt assemblies 300 to form a whole vehicle.

In summary, the embodiments presented in connection with the figures are only preferred. It is obvious to those skilled in the art that other alternative structures according to the design concept of the present invention can be derived directly from the above teachings, and the present invention shall also fall within the scope of the present invention.

Claims

1. The utility model provides a two area letter sorting dolly of whole car which characterized in that: the device comprises an upper conveying line and a lower frame which are connected by a bolt assembly along the vertical direction;

the upper conveying assembly comprises a first conveying unit, a second conveying unit, a first folding plate, a middle sealing plate, a second folding plate, a first bending plate, a second bending plate, a third bending plate and a fourth bending plate; the first conveying unit and the second conveying unit have the same structure; the first conveying unit consists of a trolley belt, a belt supporting plate, a pair of side plates, a servo electric roller, an unpowered roller, a pull rod, an adjusting block, an adjusting nut, an adjusting bolt and an organ cover mounting plate; the first bending plate, the second bending plate, the third bending plate and the fourth bending plate are fixedly connected with side plate holes of the side plates through side plate bolts respectively; between the first conveying unit and the second conveying unit, middle closing plates are arranged on the organ cover mounting plates on the two sides of the side plates and fixedly connected through closing plate bolts;

the lower frame consists of a trolley frame, a walking wheel assembly, a guide wheel assembly, double supporting plates, double supporting plate symmetrical parts, supporting plates, supporting plate symmetrical parts, a joint bearing assembly, a secondary plate pressing plate, a first nut block, a secondary plate mounting profile and a second nut block; the double supporting plates and the symmetrical parts of the double supporting plates are respectively arranged on two sides of the trolley frame through supporting plate bolts; the supporting plate and the symmetrical parts of the supporting plate are respectively arranged on two sides of the trolley frame through supporting bolts.

2. The single-vehicle double-belt sorting trolley according to claim 1, wherein: the middle sealing plate is an integral bending piece, and the two sides of the middle sealing plate are inwards bent to form an inner circular arc.

3. The single-vehicle double-belt sorting trolley according to claim 2, wherein: the first folding plate is fixedly connected with the organ cover mounting plate on the first conveying unit through a first folding plate bolt; the bent surface of the second folding plate on the other side is attached to the side plate surface, and the waist hole of the second folding plate is fixedly connected with the avoidance hole in the side plate of the second conveying unit through a first bolt;

the first folding plate is of a flat plate structure, one end of the first folding plate is a first straight section, and the other end of the first folding plate is a first oblique circular arc.

4. A vehicle double belt sorter cart as claimed in claim 3 wherein: the second folding plate is a 90-degree bending plate, one end of the second folding plate is a second straight section, and the other end of the second folding plate is a second oblique circular arc.

5. The single cart double belt sorter cart of claim 4, wherein: the belt supporting plate is provided with a plurality of groups of round holes for reducing the self weight and bent V-shaped grooves and rib plates for avoiding interference with a trolley belt;

the side part of the belt supporting plate is provided with a mounting hole and an avoiding hole, and a nut is welded in the mounting hole.

6. The single-vehicle double-belt sorting trolley according to claim 1, wherein: the guide wheel assembly is arranged below the trolley frame, the walking wheel assembly is arranged at two ends of the trolley frame, and the joint bearing assembly is fixedly connected with the trolley frame through a bearing bolt.

7. The single vehicle double belt sorter cart of claim 6, wherein: the vertical surface of the groove of the small car frame is provided with a nut plate.

8. The single-vehicle double-belt sorting trolley according to claim 7, wherein: the joint bearing assembly consists of a pin shaft, a spacer bush, a joint bearing, a connecting seat, a first anti-loosening washer, a first nut, a second anti-loosening washer and a second nut;

the two sides of the knuckle bearing are respectively provided with a spacer bush which are arranged in the connecting seat, and a pin shaft sequentially passes through a unilateral hole on one side, the spacer bush on one side, the knuckle bearing, the spacer bush on the other side and a unilateral hole on the other side of the connecting seat and is locked on a vertical plane on the outer side of the unilateral hole on the other side of the connecting seat through a first anti-loose washer and a first nut; the end of the knuckle bearing pin penetrates into a tail hole of the trolley frame, and a group of second anti-loose washers and second nuts are respectively used on two side faces of the tail hole of the trolley frame for fastening and mounting.

9. The single-vehicle double-belt sorting trolley according to claim 8, wherein: the upper surface of the secondary plate mounting section is attached to the lower bottom surface of the trolley frame, and the section bolt penetrates out of the frame groove and is fixedly connected with a second nut block and a section bolt in the secondary plate mounting section;

one side surface of the secondary plate is attached to the vertical surface of the secondary plate mounting section, one side surface of the secondary plate pressing plate is attached to the other side surface of the secondary plate, and the secondary plate is located in the middle mounting position.