CN110654826A

CN110654826A - Horizontal diverging device of luggage tray

Info

Publication number: CN110654826A
Application number: CN201911059138.8A
Authority: CN
Inventors: 毛刚; 李貌; 杨秀清; 王小锐; 何威; 杨文武; 李冰楠; 曹津源; 吴仕杰; 赵东飞
Original assignee: CIVIL AVIATION LOGISTICS TECHNOLOGY Co Ltd
Current assignee: CIVIL AVIATION LOGISTICS TECHNOLOGY Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-07

Abstract

The invention discloses a horizontal shunting device for a luggage tray, which relates to the technical field of logistics transportation and comprises a main line rack, wherein a branch line rack is connected to the side end of the main line rack, a shunting unit is arranged on the area, close to the branch line rack, of the main line rack, the shunting unit comprises a plurality of deflection mechanisms arranged vertically and horizontally, the deflection mechanisms are rotatably connected to the main line rack, the deflection mechanisms are connected with crank connecting rods A, the deflection mechanisms in the same horizontal row are connected with transverse connecting rods through the crank connecting rods A, the bottom of the deflection mechanism in the middle vertical row is connected with crank connecting rods B positioned below the main line rack, the crank connecting rods B are hinged with the same longitudinal connecting rod, the middle of the longitudinal connecting rod is hinged with a crank connecting rod C, the crank connecting rod C is connected with a speed reducer positioned on the main line rack, and the speed, The equipment cost is reduced.

Description

Horizontal diverging device of luggage tray

Technical Field

The invention relates to the technical field of logistics transportation, in particular to a horizontal shunting device for a luggage pallet.

Background

The automatic sorting system is an important branch of a material handling system, and is widely applied to production logistics systems, logistics distribution centers or airport baggage conveying centers and the like in various industries. The automatic sorting machine mainly comprises a part supply device, a conveying device, a control system, a sorting device, a sorting road junction and the like, and is one of key devices for automatically sorting and arranging articles. Divide according to sorter's structure, common automatic sorting machine's mainly include types such as slider sorting machine, runner (or called bevel pulley) letter sorting, cross area letter sorting, board-like sorting machine, swing arm formula sorting machine, the formula sorting machine that floats, tray formula sorting machine, suspension type sorting machine.

In the process of sorting and conveying luggage in an airport, a shunting device is needed, in the prior art, a patent with the application number of '201721728107.3' discloses a self-adaptive deflecting ball sorting device which comprises a rack, wherein a fixed plate is fixedly arranged on the rack, a group of deflecting wheels which are arranged above the fixed plate, the deflecting wheels are driven by a first power source and a second power source to generate two motions of autorotation and integral deflection, and when goods pass through the deflecting wheels, torque transmission is generated between the deflecting wheels and the first power source; when no cargo passes over the yaw wheel, torque generated by the first power source is not transferred to the yaw wheel. The device has the following defects:

(1) three or more servo motors for driving the deflection wheels to deflect are needed, when the number of the deflection wheels adopted vertically and horizontally is more, the number of needed servo motors is more, the equipment investment cost is higher, all the deflection wheels cannot be well controlled to deflect synchronously, a complex control system needs to be configured, and the operation difficulty is high;

(2) the deflection wheel can be contacted with the transmission shaft to generate torque transmission only by pressing certain weight of goods, when the goods have light pressure, the deflection wheel cannot be completely contacted with the transmission shaft, the transmission torque is small, and even the transmission cannot be performed, so that the device has a limited range for being applied to the goods.

Therefore, it is a realistic meaning for those skilled in the art how to solve the above technical problems.

Disclosure of Invention

The invention aims to: the invention provides a horizontal shunting device for a luggage tray, which aims to solve the technical problems that three or more servo motors for driving deflection wheels to deflect in the conventional sorting device for logistics need to be adopted, the equipment cost is high, and all the deflection wheels cannot be well controlled to deflect synchronously.

The invention specifically adopts the following technical scheme for realizing the purpose:

a horizontal shunting device for a luggage tray comprises a main line rack, a branch line rack is connected to the side end of the main line rack, shunting units are arranged in the area, close to the branch line rack, of the main line rack and comprise a plurality of deflection mechanisms which are arranged vertically and horizontally, the deflection mechanisms are rotatably connected to the main line rack, the side ends of the deflection mechanisms are connected with crank connecting rods A which are parallel to the length direction of the main line rack, the deflection mechanisms of the same horizontal row are connected with transverse connecting rods through the crank connecting rods A, the transverse connecting rods are perpendicular to the length direction of the main line rack, the bottom of the deflection mechanism of the middle vertical row is connected with crank connecting rods B which are positioned below the main line rack, the crank connecting rods B are hinged with the same longitudinal connecting rod, the longitudinal connecting rod is parallel to the length direction of the main line rack, the middle of the longitudinal connecting rod, the reducer A is connected with a driving motor A.

Furthermore, deflection mechanism includes the support frame, and swing joint has the deflection ball on the support frame, has the clearance between deflection ball and the support frame bottom, and the support frame bottom is connected with crank connecting rod A, and the support frame bottom is connected with the axis of rotation, and axis of rotation swing joint is in the thread frame, and the axis of rotation bottom is connected with crank connecting rod B.

Furthermore, a plurality of supporting bearings matched with the corresponding rotating shafts are arranged on the main line rack, and a cushion pad is arranged between each supporting bearing and the bottom of the supporting frame.

Furthermore, a plurality of circles of annular grooves are formed in the deflection ball along the conveying direction of the deflection ball.

Furthermore, a plurality of driving mechanisms are rotatably arranged on the main line rack, the driving mechanisms are vertical to the length direction of the main line rack, the driving mechanisms can drive the deflection balls in the same transverse row to rotate simultaneously, and the deflection angle of the deflection balls is 0-90 degrees.

Further, actuating mechanism includes the transmission shaft, and transmission shaft one end is connected with the drive shaft, and the drive shaft passes through bearing swing joint in the thread frame, and the vertical cross-section of transmission shaft is square, and fixed cover is equipped with a plurality of solid fixed rings on the transmission shaft, and solid fixed ring all is connected with around establishing the epaxial tensioning spring of transmission, and the tensioning spring other end all is connected with and corresponds the cone pulley that deflects ball contact.

Furthermore, a direct current unit A located in front of the shunting unit is arranged on the main line rack along the conveying direction of the main line rack, a direct current unit B is arranged on the branch line rack, the direct current unit A comprises a plurality of rollers A movably connected to the main line rack, at least two rollers A are fixedly sleeved on the rollers A, the direct current unit B comprises a plurality of rollers B movably connected to the branch line rack, and at least two rollers B are fixedly sleeved on the rollers B.

Further, be provided with on the thread frame and drive direct current unit A and all actuating mechanism pivoted power pack, power pack is including setting up driving motor B in the thread frame, driving motor B is connected with reduction gear B, reduction gear B is connected with the drive wheel, thread frame side has a plurality of groups driven wheelset A and a set of driven wheelset B along its direction of delivery swing joint in proper order, driven wheelset A connects the drive shaft, roller A is connected to driven wheelset B, driven wheelset B below is provided with the take-up pulley, driven wheelset A below all is provided with swing joint at the guide pulley in the thread frame, around being equipped with the hold-in range on the drive wheel, the hold-in range is walked around driven wheelset A in proper order, driven wheelset B.

Further, driven wheelset A includes that the idler A that is close to each other and follows driving wheel A, connects the drive shaft from driving wheel A, and the hold-in range is walked around idler A lower extreme and is followed driving wheel A upper end, and driven wheelset B includes from driving wheel B and the idler B that is located from driving wheel B both ends, connects roller A from driving wheel B, and two idler B upper ends and follow driving wheel B lower extreme are walked around to the hold-in range.

Furthermore, a tensioning adjusting mechanism matched with the tensioning wheel is arranged on the main line rack, the tensioning adjusting mechanism comprises a fixing piece fixed on the main line rack, a screw rod penetrates through the fixing piece in a movable mode, the screw rod is connected with a connecting piece, the connecting piece is hinged to a wheel shaft of the tensioning wheel, a compression spring located between the connecting piece and the fixing piece is arranged on the screw rod in a wound mode, and a fastening nut attached to the fixing piece is connected to the screw rod in a threaded mode.

The working principle is as follows: when the luggage needs to be shunted, the driving motor A is started to drive the crank connecting rod C to rotate for a certain angle, the longitudinal connecting rod hinged with the crank connecting rod C horizontally and linearly moves for a certain distance, the deflection mechanism in the middle longitudinal row is simultaneously driven to deflect for a certain angle through the crank connecting rod B during translation of the longitudinal connecting rod, the deflection mechanism in the middle longitudinal row is driven to horizontally and linearly move when rotating, so that the deflection mechanisms in the longitudinal rows on two sides are driven to synchronously deflect for the same angle, namely, all the deflection mechanisms deflect for a certain angle simultaneously, the deflection direction is aligned to the direction of the branch line rack, the transmission shaft in the driving mechanism drives the conical wheel to rotate when rotating, the corresponding deflection ball is driven to rotate by friction force, when a tray carrying the luggage passes through a shunting unit on the main line rack, the tray is driven to advance by friction force under the self-rotation action of the deflection ball due to the fact that the tray is positioned at the, and the luggage can smoothly enter the direct current unit B of the branch rack for conveying, thereby achieving the effect of shunting the luggage.

The invention has the following beneficial effects:

1. the deflection mechanism can drive all deflection mechanisms to deflect only by adopting one driving motor A, the driving motor A drives the crank connecting rod C to rotate, the crank connecting rod C drives the longitudinal connecting rod to translate, the longitudinal connecting rod drives the deflection mechanism of the middle longitudinal row to deflect through the crank connecting rod B, and the deflection mechanism of the middle longitudinal row drives the deflection mechanisms of the longitudinal rows at two sides to synchronously deflect through the crank connecting rod A, so that all deflection mechanisms can be deflected simultaneously, the structural design is flexible and ingenious, the synchronous deflection error is small, and the use cost of equipment is greatly reduced.

2. The transmission shaft drives the cone pulley to rotate when rotating, the deflection ball is driven to rotate by friction force, the cone pulley and the deflection ball are always in contact and are not influenced by the weight of goods, so the cone pulley is suitable for the transportation of various goods, the cone surface of the cone pulley is in contact with the deflection ball, necessary conditions are created for the deflection ball to deflect to 90 degrees, the deflection angle is improved, the deflection direction is reliable, the cone pulley is suitable for various large-angle goods shunting use scenes, after the cone pulley or the deflection ball is worn to a certain extent, the cone pulley is always in abutting contact with the deflection ball under the action of the tensioning spring, the force transmission is uniform, and the transmission reliability is ensured.

3. Only adopt a driving motor B among the power pack, can drive all transmission shafts and roller A and rotate, equipment use cost is low, can adjust the rate of tension of hold-in range through tensioning adjustment mechanism, and convenient operation is swift, adapts to various use scenes.

Drawings

FIG. 1 is a schematic view of a horizontal diverting device for a luggage pallet according to the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic view of the engagement of the deflection mechanism with the drive mechanism;

FIG. 4 is a schematic view of the connection structure of the deflection mechanism on the main line frame;

FIG. 5 is a schematic top view of the structure of FIG. 4;

FIG. 6 is a schematic cross-sectional view taken at A-A in FIG. 5;

FIG. 7 is a left side view schematic of the structure of FIG. 6;

FIG. 8 is a schematic view of the deflection mechanism of FIG. 4 in deflection;

FIG. 9 is a schematic top view of the structure of FIG. 8;

FIG. 10 is a schematic structural view of FIG. 9 with the mainline rack omitted;

FIG. 11 is a schematic structural view of a power unit;

fig. 12 is a schematic structural view of the tension adjusting mechanism.

Reference numerals: 1-main line frame, 2-branch line frame, 3-deflection mechanism, 3.1-support frame, 3.2-deflection ball, 3.2.1-annular groove, 3.3-rotation shaft, 4-crank connecting rod A, 5-transverse connecting rod, 6-crank connecting rod B, 7-longitudinal connecting rod, 8-crank connecting rod C, 9-reducer A, 10-driving motor A, 11-support bearing, 12-buffer pad, 13-driving mechanism, 13.1-transmission shaft, 13.2-driving shaft, 13.3-fixing ring, 13.4-tension spring, 13.5-cone wheel, 14-direct current unit A, 14.1-roller A, 14.2-roller A, 15-direct current unit B, 15.1-roller B, 15.2-roller B, 16-driving motor B, 17-driving wheel, 18-driven wheel set A, 18.1-idle wheel A, 18.2-driven wheel A, 19-driven wheel set B, 19.1-driven wheel B, 19.2-idle wheel B, 20-tension wheel, 21-guide wheel, 22-synchronous belt, 23-tension adjusting mechanism, 23.1-fixing piece, 23.2-screw rod, 23.3-connecting piece, 23.4-compression spring, 23.5-fastening nut and 24-speed reducer B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The features and properties of the present invention are described in further detail below with reference to examples.

Example 1

As shown in fig. 1 to 10, the present embodiment provides a horizontal luggage tray shunting device, which includes a main line frame 1, a branch line frame 2 is connected to a side end of the main line frame 1, a shunting unit is disposed on a region of the main line frame 1 close to the branch line frame 2, the shunting unit includes a plurality of deflecting mechanisms 3 arranged vertically and horizontally, the deflecting mechanisms 3 are rotatably connected to the main line frame 1, side ends of the deflecting mechanisms 3 are connected to crank links a4 parallel to a length direction of the main line frame 1, the deflecting mechanisms 3 in a same horizontal row are connected to transverse links 5 through crank links a4, the transverse links 5 are perpendicular to the length direction of the main line frame 1, bottoms of the deflecting mechanisms 3 in a middle vertical row are connected to crank links B6 located below the main line frame 1, the crank links B6 are hinged to a same vertical link 7, the vertical links 7 are parallel to, the middle part of the longitudinal connecting rod 7 is hinged with a crank connecting rod C8, a crank connecting rod C8 is parallel to a crank connecting rod B6, the crank connecting rod C8 is connected with a speed reducer A9 positioned on the main line frame 1, and the speed reducer A9 is connected with a driving motor A10.

In this embodiment, 4 groups of deflection mechanisms 3 can be provided, each group is provided with 3 deflection mechanisms 3, the deflection mechanisms 3 form 4 longitudinal rows of 3 arrangement structures, when a driving motor a10 is started, a crank connecting rod C8 is driven to rotate by a certain angle, a longitudinal connecting rod 7 hinged with a crank connecting rod C8 horizontally and linearly moves for a certain distance along the length direction of the longitudinal connecting rod, the deflection mechanisms 3 in the middle longitudinal row are simultaneously driven to deflect by a certain angle through a crank connecting rod B6 when the longitudinal connecting rod 7 is translated, all the crank connecting rods a4 are driven to horizontally and linearly move along the length direction of the deflection mechanisms when the deflection mechanism 3 in the middle longitudinal row rotates, so that the deflection mechanisms 3 in the two longitudinal rows are driven to synchronously deflect by the same angle, that all the deflection mechanisms 3 are simultaneously deflected by a certain angle, the deflection direction is aligned with the direction of the branch line rack 2, all the deflection mechanisms 3 can be driven to deflect by only one, the synchronous deflection error is small, the use cost of the equipment is greatly reduced, and the method has a large market popularization value.

Example 2

As shown in fig. 1 to 7, the present embodiment is further optimized based on embodiment 1, specifically, the deflecting mechanism 3 includes a support frame 3.1, a deflecting ball 3.2 is movably connected to the support frame 3.1, a gap is formed between the deflecting ball 3.2 and the bottom of the support frame 3.1, the bottom end of the support frame 3.1 is connected to a crank link a4, the bottom of the support frame 3.1 is connected to a rotating shaft 3.3, the rotating shaft 3.3 is movably connected to the main line frame 1, the bottom of the rotating shaft 3.3 is connected to a crank link B6, the main line frame 1 is rotatably provided with a plurality of driving mechanisms 13, the driving mechanisms 13 are perpendicular to the length direction of the main line frame 1, the driving mechanisms 13 can drive the deflecting balls 3.2 in the same horizontal row to rotate simultaneously, the deflecting ball 3.2 has a deflecting angle of 0 to 90 °, the driving mechanisms 13 include a transmission shaft 13.1, one end of the transmission shaft 13.1 is connected to a driving shaft 13.2, the vertical section of the transmission shaft 13.1 is square, a plurality of fixing rings 13.3 are fixedly sleeved on the transmission shaft 13.1, the fixing rings 13.3 are connected with tensioning springs 13.4 wound on the transmission shaft 13.1, and the other ends of the tensioning springs 13.4 are connected with conical wheels 13.5 in contact with corresponding deflection balls 3.2.

The deflection ball 3.2 is movably connected to the support frame 3.1 to enable the deflection ball to rotate freely, the transmission shaft 13.1 drives the cone wheel 13.5 to rotate when rotating, the deflection ball 3.2 is driven to rotate by friction, and the cone wheel 13.5 and the deflection ball 3.2 are always in contact and are not influenced by the weight of goods, so that the deflection ball is suitable for transportation of various goods, a necessary condition is created for the deflection ball 3.2 to deflect to 90 degrees by contacting the cone surface of the cone wheel 13.5 with the deflection ball 3.2, the deflection angle is improved, the deflection direction is reliable, the deflection ball is suitable for use scenes of shunting various goods with large angles, after the cone wheel 13.5 or the deflection ball 3.2 is worn to a certain extent, the cone wheel 13.5 is always in abutting contact with the deflection ball 3.2 under the action of the tension spring 13.4, force transmission is uniform, and transmission reliability is guaranteed.

A plurality of supporting bearings 11 matched with the corresponding rotating shafts 3.3 are arranged on the main line rack 1, cushion pads 12 are arranged between the supporting bearings 11 and the bottoms of the supporting frames 3.1, and the cushion pads 12 play a role of flexible support to adapt to the weight of goods.

The deflection ball 3.2 is provided with a plurality of circles of annular grooves 3.2.1 along the conveying direction, so that the friction force between the deflection ball 3.2 and the luggage tray can be increased, and the transmission force is improved.

Example 3

As shown in fig. 1 to 11, the present embodiment is further optimized based on embodiment 2, specifically, a direct current unit a14 located in front of the diversion unit is arranged on the main line frame 1 along the conveying direction thereof, a direct current unit B15 is arranged on the branch line frame 2, the direct current unit a14 includes a plurality of rollers a14.1 movably connected to the main line frame 1, at least two rollers a14.2 are fixedly sleeved on the rollers a14.1, the direct current unit B15 includes a plurality of rollers B15.1 movably connected to the branch line frame 2, and at least two rollers B15.2 are fixedly sleeved on the rollers B15.1.

The main line frame 1 is provided with a power unit which can drive the direct current unit A14 and all the driving mechanisms 13 to rotate, the power unit comprises a driving motor B16 arranged on the main line frame 1, the driving motor B16 is connected with a speed reducer B24, the speed reducer B24 is connected with a driving wheel 17, the side end of the main line frame 1 is sequentially and movably connected with a plurality of groups of driven wheel sets A18 and a group of driven wheel sets B19 along the conveying direction, the driven wheel set A18 is connected with the driving shaft 13.2, the driven wheel set B19 is connected with the roller A14.1, a tension wheel 20 is arranged below the driven wheel set B19, guide wheels 21 which are movably connected with the main line frame 1 are arranged below the driven wheel set A18, a synchronous belt 22 is wound on the driving wheel 17, and the synchronous belt 22 sequentially bypasses the driven wheel set A.

The driven wheel set A18 comprises an idler wheel A18.1 and a driven wheel A18.2 which are close to each other, the driven wheel A18.2 is connected with the driving shaft 13.2, the synchronous belt 22 passes around the lower end of the idler wheel A18.1 and the upper end of the driven wheel A18.2, the driven wheel set B19 comprises a driven wheel B19.1 and idler wheels B19.2 which are positioned at the two ends of the driven wheel B19.1, the driven wheel B19.1 is connected with the roller A14.1, and the synchronous belt 22 passes around the upper ends of the two idler wheels B19.2 and the lower end of the driven wheel.

In this embodiment, both the dc unit a14 and the dc unit B15 are used to drive the luggage tray to move straight, the roller a14.2 or the roller B15.2 is in direct contact with the luggage tray, when the roller a14.2 or the roller B15.2 rotates, the luggage tray can be driven to move by friction, when the driving motor B16 is started, all the driven wheels a18.2 and B19.1 can be driven to rotate by the synchronous belt 22, and the corresponding transmission shaft 13.1 and the roller a14.1 can be driven to rotate, only one driving motor B16 is used, the equipment use cost is low, and the power device used to drive all the rollers B15.1 in the dc unit B15 to rotate can be the same as the structure principle adopted by the power unit.

Example 4

As shown in fig. 11 to 12, this embodiment is further optimized based on embodiment 3, specifically, a tension adjusting mechanism 23 matched with the tension pulley 20 is disposed on the main line frame 1, the tension adjusting mechanism 23 includes a fixing member 23.1 fixed on the main line frame 1, a screw 23.2 movably penetrates through the fixing member 23.1, the screw 23.2 is connected with a connecting member 23.3, the connecting member 23.3 is hinged to a wheel shaft of the tension pulley 20, a compression spring 23.4 located between the connecting member 23.3 and the fixing member 23.1 is wound on the screw 23.2, and a fastening nut 23.5 tightly attached to the fixing member 23.1 is screwed on the screw 23.2.

In this embodiment, the distance between the connecting piece 23.3 and the fixing piece 23.1 is adjusted by the screw 23.2, then the screw 23.2 is fixed by the fastening nut 23.5, and the connecting piece 23.3 pushes the tension pulley 20 to abut against the synchronous belt 22 by using the elastic force of the compression spring 23.4, so that the tension pulley 20 plays a role in tensioning the synchronous belt 22.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims

1. A horizontal luggage tray shunting device comprises a main line rack (1), a branch line rack (2) is connected to the side end of the main line rack (1), a shunting unit is arranged in an area, close to the branch line rack (2), on the main line rack (1), and comprises a plurality of deflection mechanisms (3) which are arranged vertically and horizontally, the deflection mechanisms (3) are rotatably connected to the main line rack (1), the horizontal luggage tray shunting device is characterized in that the side end of each deflection mechanism (3) is connected with a crank connecting rod A (4) which is parallel to the length direction of the main line rack (1), the deflection mechanisms (3) in the same horizontal row are connected with a transverse connecting rod (5) through the crank connecting rods A (4), the transverse connecting rods (5) are perpendicular to the length direction of the main line rack (1), the bottom of the deflection mechanism (3) in the middle vertical row is connected with a crank connecting rod B (6) which is positioned below the main line rack (1, the longitudinal connecting rod (7) is parallel to the length direction of the mainline rack (1), the middle part of the longitudinal connecting rod (7) is hinged with a crank connecting rod C (8), the crank connecting rod C (8) is parallel to a crank connecting rod B (6), the crank connecting rod C (8) is connected with a speed reducer A (9) positioned on the mainline rack (1), and the speed reducer A (9) is connected with a driving motor A (10).

2. The horizontal shunting device for the luggage trays according to claim 1, wherein the deflection mechanism (3) comprises a support frame (3.1), a deflection ball (3.2) is movably connected to the support frame (3.1), a gap is formed between the deflection ball (3.2) and the bottom of the support frame (3.1), the bottom end of the support frame (3.1) is connected with a crank connecting rod A (4), a rotating shaft (3.3) is connected to the bottom of the support frame (3.1), the rotating shaft (3.3) is movably connected to the main line rack (1), and the bottom of the rotating shaft (3.3) is connected with a crank connecting rod B (6).

3. A horizontal diverting device for a luggage pallet according to claim 2, characterized in that the main line frame (1) is provided with a number of supporting bearings (11) cooperating with the corresponding rotating shafts (3.3), and that a buffer pad (12) is arranged between the supporting bearings (11) and the bottom of the supporting frame (3.1).

4. A horizontal diverting device for a baggage tray according to claim 2, characterized in that the deflecting ball (3.2) is provided with a number of annular grooves (3.2.1) in its conveying direction.

5. The horizontal shunting device for the luggage trays according to claim 2, characterized in that the main line rack (1) is rotatably provided with a plurality of driving mechanisms (13), the driving mechanisms (13) are perpendicular to the length direction of the main line rack (1), the driving mechanisms (13) can drive the deflection balls (3.2) of the same transverse row to rotate simultaneously, and the deflection angle of the deflection balls (3.2) is 0-90 °.

6. The horizontal shunting device for the luggage trays according to claim 5, wherein the driving mechanism (13) comprises a transmission shaft (13.1), one end of the transmission shaft (13.1) is connected with a driving shaft (13.2), the driving shaft (13.2) is movably connected to the main line rack (1) through a bearing, the vertical section of the transmission shaft (13.1) is square, a plurality of fixing rings (13.3) are fixedly sleeved on the transmission shaft (13.1), the fixing rings (13.3) are connected with tensioning springs (13.4) wound on the transmission shaft (13.1), and the other ends of the tensioning springs (13.4) are connected with conical wheels (13.5) in contact with the corresponding deflection balls (3.2).

7. The horizontal shunting device for the luggage trays according to claim 6, wherein the main line rack (1) is provided with a direct current unit A (14) positioned in front of the shunting unit along the conveying direction thereof, the branch line rack (2) is provided with a direct current unit B (15), the direct current unit A (14) comprises a plurality of rollers A (14.1) movably connected to the main line rack (1), at least two rollers A (14.2) are fixedly sleeved on the rollers A (14.1), the direct current unit B (15) comprises a plurality of rollers B (15.1) movably connected to the branch line rack (2), and at least two rollers B (15.2) are fixedly sleeved on the rollers B (15.1).

8. The horizontal shunting device for the luggage trays according to claim 7, wherein a power unit capable of driving the direct current unit A (14) and all the driving mechanisms (13) to rotate is arranged on the main line rack (1), the power unit comprises a driving motor B (16) arranged on the main line rack (1), the driving motor B (16) is connected with a speed reducer B (24), the speed reducer B (24) is connected with a driving wheel (17), a plurality of driven wheel sets A (18) and a group of driven wheel sets B (19) are sequentially and movably connected at the side end of the main line rack (1) along the conveying direction, the driven wheel set A (18) is connected with a driving shaft (13.2), the driven wheel set B (19) is connected with a roller A (14.1), a tension wheel (20) is arranged below the driven wheel set B (19), guide wheels (21) movably connected on the main line rack (1) are arranged below the driven wheel set A (18), a synchronous belt (22) is wound on the driving wheel (17), and the synchronous belt (22) sequentially winds the driven wheel set A (18), the driven wheel set B (19), the tension wheel (20) and the guide wheel (21).

9. A luggage tray horizontal shunting device according to claim 8, characterized in that the driven wheel group A (18) comprises an idler wheel A (18.1) and a driven wheel A (18.2) which are close to each other, the driven wheel A (18.2) is connected with the driving shaft (13.2), the synchronous belt (22) bypasses the lower end of the idler wheel A (18.1) and the upper end of the driven wheel A (18.2), the driven wheel group B (19) comprises a driven wheel B (19.1) and idler wheels B (19.2) positioned at the two ends of the driven wheel B (19.1), the driven wheel B (19.1) is connected with the roller A (14.1), and the synchronous belt (22) bypasses the upper ends of the two idler wheels B (19.2) and the lower end of the driven wheel B (19.1).

10. The horizontal shunting device for the luggage trays according to claim 8, wherein the main line frame (1) is provided with a tensioning adjusting mechanism (23) matched with the tensioning wheel (20), the tensioning adjusting mechanism (23) comprises a fixing member (23.1) fixed on the main line frame (1), a screw rod (23.2) movably penetrates through the fixing member (23.1), the screw rod (23.2) is connected with a connecting member (23.3), the connecting member (23.3) is hinged with a wheel shaft of the tensioning wheel (20), the screw rod (23.2) is wound with a compression spring (23.4) positioned between the connecting member (23.3) and the fixing member (23.1), and the screw rod (23.2) is in threaded connection with a fastening nut (23.5) tightly attached to the fixing member (23.1).