CN217707924U

CN217707924U - Transmission device

Info

Publication number: CN217707924U
Application number: CN202221658953.3U
Authority: CN
Inventors: 李青; 李赫然; 谢永磊
Original assignee: Wuhu Zhongpu Intelligent Equipment Co ltd; Wuhu Dongxu Optoelectronic Equipment Technology Co ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Wuhu Zhongpu Intelligent Equipment Co ltd; Wuhu Dongxu Optoelectronic Equipment Technology Co ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-01
Anticipated expiration: 2032-06-30

Abstract

The application provides a transmission device, relates to glass panels production technical field. Wherein, transmission device includes: first transmission structure, second transmission structure and elevation structure, first transmission structure includes: the device comprises a first transmission mechanism and a plurality of round rollers which extend along a first direction and are arranged at intervals along a second direction and are used for conveying a piece to be conveyed along the second direction; the second transmission structure includes: the second transmission mechanism and the plurality of transmission parts are arranged in the first direction at intervals along the second direction, and are used for conveying the piece to be transmitted along the first direction; the lifting structure can drive the second transmission structure to ascend to a position higher than the round roller or descend to a position lower than the round roller; the first direction and the second direction are mutually vertical and vertical to the longitudinal direction. This application technical scheme can change glass panels's transmission direction, can solve that glass panels is slow at the transmission speed that manual reversing leads to in transmission process, pollutes glass panels's technical problem easily.

Description

Transmission device

Technical Field

The application relates to the technical field of glass panel production, in particular to a transmission device.

Background

In the automatic production process of the glass panel, because of the limited condition of the factory site or the reason of the production line process, the glass panel is required to be changed from the length direction to the width direction, or from the width direction to the length direction. While the common transmission equipment can only transmit the glass panel along the length or along the width in one direction; when needs turn to glass panels, can only rotate glass panels through the manual work, but the manual work rotates glass panels not only can reduce transmission speed by a wide margin, influences production efficiency, still can cause the pollution to glass panels, reduces glass panels's quality, can't reach glass panels production water line in, and automation efficiency is high, the production requirement that the cleanliness factor is high.

SUMMERY OF THE UTILITY MODEL

The purpose of this application embodiment is to provide a transmission device to solve the problem of glass panels switching direction in the transmission process.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

the application provides a transmission device, includes: a first transmission structure comprising: the device comprises a first transmission mechanism and a plurality of round rollers, wherein the round rollers extend along a first direction and are arranged at intervals along a second direction, and the first transmission mechanism is used for driving the round rollers to rotate in the same direction and synchronously and conveying a piece to be conveyed along the second direction;

a second transmission structure comprising: the conveying device comprises a second transmission mechanism and a plurality of conveying parts, wherein the conveying parts are arranged at intervals along a second direction, the second transmission mechanism is used for driving the conveying parts to run in the same direction and at the same speed, and the conveying parts and the round rollers are arranged in a one-to-one staggered mode in the second direction and used for conveying the piece to be conveyed along the first direction;

a lifting structure having a fixed end and a lifting end movable relative to the fixed end in a longitudinal direction, the second transmission structure being mounted to the lifting end, the lifting end can drive the second transmission structure to ascend to a position higher than the round roller or descend to a position lower than the round roller;

wherein the first direction and the second direction are perpendicular to each other and perpendicular to the longitudinal direction

In some modified embodiments of the present application, a rectangular frame, a connecting plate being fixed to each of both sides of the interior of the rectangular frame in the first direction;

two installed parts are fixed in the upside of connecting plate, the installed part has vertical curb plate and two risers that set up, two the riser is fixed in respectively the curb plate is followed the both ends that the second direction extends, the circle roller is installed in two between the installed part, first drive mechanism install in one of them the installed part.

In some modified embodiments of the present application, one end of each of the round rollers near the first transmission mechanism is provided with a first helical gear;

the first transmission mechanism includes:

the first motor is arranged on the lower side of the connecting plate, and the output end of the first motor is connected with a first bevel gear;

the first transmission shaft extends along the second direction, two ends of the first transmission shaft are respectively rotatably installed on the vertical plate of the installation part, a second bevel gear which corresponds to and is meshed with the first bevel gear and a plurality of second bevel gears which correspond to and are meshed with the first bevel gears are coaxially arranged on the first transmission shaft.

In some modified embodiments of the present application, the lifting structure includes:

the cylinder is the fixed end and is fixed at the bottom of the rectangular frame;

the telescopic link, connect in the output of cylinder, the top of telescopic link is the lift end.

In some modified embodiments of the present application, the method further includes:

the crane should include:

the lower supporting plate is arranged at the top end of the telescopic rod;

the support columns are longitudinally arranged and are arranged on the lower support plate at intervals;

the upper supporting plate is arranged at the top end of the supporting column;

the two mounting plates are mounted on the lower side of the upper supporting plate at intervals along the second direction;

a plurality of runner mounting bracket, install respectively in go up the backup pad and follow both sides on the first direction, and be located two runner mounting bracket between the installed part is a pair of, and is every right runner mounting bracket follows the second direction interval install in go up the backup pad, and with the circle roller is in crisscross setting one by one in the second direction.

In some modified embodiments of the present application, the transmission unit includes: the driving wheel, the two driven wheels and the conveying belt;

two from the driving wheel rotation install in a pair of runner mounting bracket, the action wheel install in second drive mechanism, and with from the driving wheel be in correspond on the first direction, conveyer cover is located the action wheel and two from the driving wheel.

In some modified embodiments of the present application, the second transmission mechanism includes:

the second motor is arranged on the upper supporting plate, and the output end of the second motor is connected with a third bevel gear;

the second transmission shaft extends along the second direction and is rotatably installed on the two mounting plates, a fourth bevel gear which corresponds to and is meshed with the third bevel gear is coaxially arranged on the second transmission shaft, and the driving wheel is installed on the second transmission shaft at intervals along the second direction and is coaxial with the second transmission shaft.

In some modified embodiments of the present application, the transmission unit further includes:

and the two sliding parts are respectively and slidably installed on the two sides of the upper supporting plate along the first direction, and each runner mounting frame is correspondingly installed on one sliding part respectively.

two vertical plates fixed on two sides of the upper supporting plate along the first direction at intervals, wherein the side parts of the two vertical plates are respectively screwed with a threaded part along the first direction, and one end of the threaded part penetrates through the vertical plates along the first direction and abuts against the side part of the sliding part

In some variations of the present application, at least two guides are provided at the bottom of the rectangular frame, and the upper support plate is slidably fitted to the two guides.

Compared with the prior art, the transmission device provided by the application conveys the to-be-transmitted piece along the second direction through the first transmission structure, when the conveying direction needs to be converted, the second transmission structure is lifted through the lifting structure, the to-be-transmitted piece is jacked up by the second transmission mechanism and conveyed along the first direction, the to-be-transmitted piece can be automatically converted in the direction, the problem that the conveying speed of the to-be-transmitted piece is reduced due to manual conversion of the to-be-transmitted piece can be solved, the production efficiency is influenced, and the technical problem that the to-be-transmitted piece is polluted is easily solved.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 schematically illustrates a front view structure diagram of a transmission device provided in an embodiment of the present application;

FIG. 2 schematically shows an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic cross-sectional side view of a transfer device provided in an embodiment of the present application;

FIG. 4 schematically shows an enlarged structural view at B in FIG. 3;

fig. 5 schematically illustrates a schematic top-view structural diagram of a first transmission structure and a second transmission structure in a transmission device provided in an embodiment of the present application;

fig. 6 schematically shows an enlarged structural view at C in fig. 5.

The reference numbers illustrate: the device comprises a to-be-transmitted member 1, a first transmission structure 2, a first transmission mechanism 21, a first motor 211, a first bevel gear 2111, a first transmission shaft 212, a second bevel gear 2121, a second bevel gear 2122, a round roller 22, a first bevel gear 221, a second transmission structure 3, a second transmission mechanism 31, a second motor 311, a third bevel gear 3111, a second transmission shaft 312, a fourth bevel gear 3121, a transmission part 32, a driving wheel 321, a driven wheel 322, a transmission belt 323, a sliding part 324, a vertical plate 325, a threaded part 326, a lifting structure 4, a rectangular frame 5, a mounting part 6, a lifting frame 7, an upper supporting plate 71, a supporting column 72, a lower supporting plate 73, a mounting plate 74, a rotating wheel mounting rack 75, a guide part 8, a first direction a and a second direction b.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

Examples

Referring to fig. 1 to 6, an embodiment of the present invention provides a transmission device, including: first transmission structure 2, second transmission structure 3 and elevating system 4, first transmission structure 2 includes: the conveying device comprises a first transmission mechanism 21 and a plurality of round rollers 22 which extend along a first direction a and are arranged at intervals along a second direction b, wherein the first transmission mechanism 21 is used for driving the round rollers 22 to rotate in the same direction and synchronously and is used for conveying a piece 1 to be conveyed along the second direction b; the second transmission structure 3 comprises: the conveying device comprises a second transmission mechanism 31 and a plurality of conveying parts 32, wherein the conveying direction is a first direction a and the conveying parts 32 are arranged at intervals along a second direction b, the second transmission mechanism 31 is used for driving the conveying parts 32 to run in the same direction and at the same speed, and the conveying parts 32 and the round rollers 22 are arranged in a one-to-one staggered mode in the second direction b and used for conveying the piece 1 to be conveyed along the first direction a; the lifting structure 4 is provided with a fixed end and a lifting end which can move relative to the fixed end along the longitudinal direction, the second transmission structure 3 is installed at the lifting end, and the lifting end can drive the second transmission structure 3 to ascend to a position higher than the round roller 22 or descend to a position lower than the round roller 22; the first direction a and the second direction b are perpendicular to each other and perpendicular to the longitudinal direction.

Specifically, wait to transmit 1 and be a glass plate spare, first transmission structure 2 includes: the first transmission mechanism 21 and the plurality of round rollers 22, the specific structure of the first transmission mechanism 21 is described below, the round rollers 22 may be a cylindrical drum, the plurality of round rollers 22 extend along the first direction a and are arranged at intervals along the second direction b, the first transmission mechanism 21 may provide power for the rotation of the round rollers 22, and the round rollers 22 rotate synchronously in the same direction, so that the to-be-transmitted object 1 placed on the upper side of the round rollers 22 may displace in the second direction b along with the rotation of the round rollers 22, and the first transmission mechanism 2 achieves the effect of transmitting the to-be-transmitted object 1 along the second direction b; the second transmission structure 3 comprises: the second transmission mechanism 31 and the plurality of transmission portions 32, the specific structure of the second transmission mechanism 31 is described below, the transmission portion 32 may be a transmission belt structure, the transmission direction of the transmission portion 32 is a first direction a and is arranged at intervals along a second direction b, so that the to-be-transmitted member 1 placed on the upper side of the transmission portion 32 can be displaced in the first direction a along the operation direction of the transmission portion 32, the second transmission mechanism 3 achieves the effect of transmitting the to-be-transmitted member 1 along the first direction a, the transmission portion 32 and the round rollers 22 are staggered one by one in the second direction b, the transmission portion 32 does not interfere with the round rollers 22 when ascending and descending, the height of the transmission portion 32 can be changed by the lifting mechanism 4, the to-be-transmitted member 1 can be lifted from the top side of the round rollers 22 after the transmission portion 32 ascends, then the second transmission mechanism 31 drives the plurality of transmission portions 32 to operate at the same direction and the same speed, the to-be-transmitted member 1 moves along the first direction a, and the technical effect of changing the transmission direction of the to-be-transmitted member 1 is achieved.

When the conveying and transporting operation of the to-be-conveyed piece 1 is carried out, the to-be-conveyed piece 1 is firstly placed on the upper side of the round roller 22, the round roller 22 is driven by the first transmission mechanism 21 to synchronously rotate in the same direction, the to-be-conveyed piece 1 is conveyed in the second direction b, if the conveying direction of the to-be-conveyed piece 1 needs to be changed, the conveying direction of the to-be-conveyed piece 1 needs to be changed into the first direction a from the second direction b, the rotation of the round roller 22 can be stopped when the to-be-conveyed piece 1 completely moves onto the round roller 22, then the conveying part 32 is lifted until the to-be-conveyed piece 1 is supported by the conveying part 32 and completely separated from the round roller 22, and then the conveying part 32 is started, so that the to-be-conveyed piece 1 moves along the first direction a along with the operation of the conveying part 32, and the problem that the conveying speed is reduced and even the to-be-conveyed piece 1 is polluted due to the manual change of the conveying direction of the to influence on the production efficiency can be avoided.

According to the above list, the embodiment of the utility model provides a transmission device, treat transmission 1 through first transmission structure 2 along second direction b and transport, when needs conversion transport direction, rethread elevation structure 4 raises second transmission structure 3, second transmission mechanism will wait transmission 1 jack-up, and treat transmission 1 along first direction a and transport, can realize waiting to wait transmission 1's automatic conversion direction, can solve the manual work and change the reduction that waits transmission 1 leads to and wait transmission 1's transfer rate, influence production efficiency, treat easily that transmission 1 causes the technical problem of pollution.

Further, referring to fig. 1 to fig. 6, in an implementation, the method further includes: a rectangular frame 5, wherein connecting plates are respectively fixed on two sides of the rectangular frame 5 in the first direction a; two installed parts 6 are fixed in the upside of connecting plate, installed part 6 has vertical curb plate and two risers that set up, two the riser is fixed in respectively the curb plate is followed the both ends that second direction b extends, circle roller 22 install in two between the installed part 6, first drive mechanism 21 installs in one of them installed part 6.

Specifically, rectangular frame 5 is the frame structure of a cuboid, can play installation and supporting role for inner structure, and the connecting plate is a rectangle metal sheet, and it extends and two connecting plates fix respectively at rectangular frame 5 inside both sides on first direction a along second direction b, can fix and support installed part 6, and two installed parts 6 correspond respectively and fix the upside at two connecting plates, and the both ends of circle roller 22 rotate respectively and install two installed parts 6 that correspond on the curb plate, make circle roller 22 can use its axis to rotate as the central line, and first drive mechanism 21 installs in an installed part 6, can provide power for the rotation of circle roller 22 to make circle roller 22 syntropy stall.

Further, referring to fig. 1 to 6, in a specific implementation, one end of each of the circular rollers 22 close to the first transmission mechanism 21 is provided with a first bevel gear 221; the first transmission mechanism 21 includes: the first motor 211 is installed on the lower side of the connecting plate, and the output end of the first motor 211 is connected with a first bevel gear 2111; and a first transmission shaft 212 extending in the second direction b, both ends of which are rotatably mounted to the vertical plate of the mounting member 6, wherein the first transmission shaft 212 is coaxially provided with a second bevel gear 2121 corresponding to and engaged with the first bevel gear 2111, and a plurality of second bevel gears 2122 corresponding to and engaged with the plurality of first bevel gears 221.

Specifically, the first transmission mechanism 21 includes: first motor 211 and first transmission shaft 212, the output of first motor 211 is connected with first bevel gear 2111, can drive first bevel gear 2111 rotatory, first transmission shaft 212 is coaxial to be provided with second bevel gear 2121, second bevel gear 2121 and first bevel gear 2111 mesh, drive first bevel gear 2111 through first motor 211 and rotate, can drive first transmission shaft 212 rotatory, a plurality of second bevel gears 2122 of coaxial setting on first transmission shaft 212 mesh with corresponding first bevel gear 221 respectively, when first transmission shaft 212 rotates, can drive round roller 22 and carry out syntropy same-speed rotation, make round roller 22 can play the effect of conveyer belt transmission piece.

Further, with reference to fig. 1 to 6, in an implementation, the lifting structure 4 includes: the cylinder is the fixed end and is fixed at the bottom of the rectangular frame 5; the telescopic link, connect in the output of cylinder, the top of telescopic link is the lift end.

Specifically, the lifting structure 4 may be a pneumatic structure, which drives the telescopic rod through the cylinder, so as to lift the top end of the telescopic rod up and down, and further push the second transmission structure 3 to perform longitudinal displacement.

Further, referring to fig. 1 to 4, in an implementation, the method further includes: a crane 7, comprising: a lower support plate 73 mounted on the top end of the telescopic rod; a plurality of support columns 72 arranged longitudinally and installed at intervals on the lower support plate 73; an upper support plate 71 mounted on the top end of the support column 72; two mounting plates 74 mounted on the lower side of the upper support plate 71 at intervals in the second direction b; a plurality of runner mounting brackets 75 install respectively in it follows to go up backup pad 71 both sides on the first direction a, and be located two runner mounting brackets 75 between the installed part 6 are a pair of, and are every right runner mounting bracket 75 follows second direction b interval install in go up backup pad 71, and with round roller 22 is in crisscross setting one by one on the second direction b.

Specifically, crane 7 is used for installing second transmission structure 3 to can carry out longitudinal displacement for first transmission structure 2 under the effect of elevation structure 4, crane 7 includes: go up backup pad 71, support column 72, bottom suspension fagging 73, mounting panel 74 and runner mounting bracket 75, bottom suspension fagging 73 is installed on the top of telescopic link, lifting structure 4's lift end promptly, can go up and down along with the lift end and to support column 72, go up backup pad 71, mounting panel 74 and runner mounting bracket 75 play the supporting role, support column 72 can have four, set up the four corners at bottom suspension fagging 73 respectively, can reach the effect of steady support upper support backup pad 71, mounting panel 74 has two, mounting panel 74 can be used for installing second transmission shaft 312, make second transmission shaft 312 can rotate between two mounting panels 74, the quantity of runner mounting bracket 75 has a plurality ofly, the patent mounting bracket of installing the both sides of backup pad 71 on first direction a is a pair of, many pairs of runner mounting bracket 75 are installed on upper support pad 71 along second direction b interval, can be used for installing from runner 322, make from runner 322 can rotate in runner mounting bracket 75.

Further, with reference to fig. 1 to 6, in a specific implementation, the transmission portion 32 includes: a driving wheel 321, two driven wheels 322 and a conveying belt 323; the two driven wheels 322 are rotatably mounted on the pair of wheel mounting brackets 75, the driving wheel 321 is mounted on the second transmission mechanism 31 and corresponds to the driven wheels 322 in the first direction a, and the conveying belt 323 is sleeved on the driving wheel 321 and the two driven wheels 322.

Specifically, the driving wheel 321 in the transmission part 32 is driven to rotate by the second transmission mechanism 31, and the driving wheel 321 drives the driven wheel 322 to rotate through the conveying belt 323, so that the conveying belt 323 can drive the to-be-transmitted member 1 on the upper side to move, and a transmission effect can be achieved.

Further, with reference to fig. 1 to 6, in a specific implementation, the second transmission mechanism 31 includes: a second motor 311 installed on the lower support plate 73, wherein an output end of the second motor 311 is connected to a third bevel gear 3111; a second transmission shaft 312, the second transmission shaft 312 extends along the second direction b and is rotatably mounted on the two mounting plates 74, a fourth bevel gear 3121 corresponding to and engaged with the third bevel gear 3111 is coaxially disposed on the second transmission shaft 312, and the driving wheel 321 is mounted on the second transmission shaft 312 at an interval along the second direction b and is coaxial with the second transmission shaft 312.

Specifically, the first transmission structure includes: second motor 311 and second transmission shaft 312, the output of second motor 311 is connected with third bevel gear 3111, can drive third bevel gear 3111 rotatory, second transmission shaft 312 rotates and installs between two mounting panels 74, can rotate between two mounting panels 74, second transmission shaft is still coaxial to be provided with fourth bevel gear 3121, fourth bevel gear 3121 and third bevel gear 3111 mesh, it is rotatory to drive third bevel gear 3111 through second motor 311, can drive second transmission shaft 312 rotatory, the coaxial setting of action wheel 321 is on second transmission shaft 312, second transmission shaft 312 is rotatory to drive a plurality of action wheels 321 syntropy and rotate, and then drive transmission portion 32 and carry out syntropy and rotate, make transmission portion 32 can treat transmission 1 and transmit.

Further, referring to fig. 1 to 4, in an implementation, the transmission part 32 further includes: two sliding members 324 slidably mounted on two sides of the upper supporting plate 71 along the first direction a, respectively, and each of the wheel mounts 75 is correspondingly mounted on one of the sliding members 324.

Specifically, the driven wheel 322 is installed in the wheel mounting rack 75, and the wheel mounting rack 75 is slidably assembled on the upper support plate 71 through the sliding pieces 324, so that the looseness of the conveying belt 323 can be adjusted by adjusting the relative positions of the two sliding pieces 324, and the conveying effect of the conveying part 32 on the to-be-conveyed member 1 is prevented from being influenced by the looseness of the conveying belt 323.

Further, referring to fig. 1 to 4, in a specific implementation, the transmission part 32 further includes: two vertical plates 325 are fixed to two sides of the upper support plate 71 at intervals along the first direction a, the side portions of the two vertical plates 325 are respectively screwed with a screw 326 along the first direction a, and one end of the screw 326 penetrates through the vertical plates 325 along the first direction a and abuts against the side portions of the sliding members 324.

Specifically, the screw 326 may be a bolt, one end of the screw 326 penetrates through and is screwed to the side of the vertical plate 325, and rotating the screw 326 can change the distance between the end of the screw 326 and the vertical plate 325, so as to push the sliding members 324, so that the two sliding members 324 move in the direction away from each other, thereby playing a role of pulling in the conveying belt 323, and preventing the conveying belt 323 from loosening and affecting the conveying effect of the conveying part 32 on the to-be-conveyed piece 1.

Further, referring to fig. 1, in an implementation, at least two guides 8 are provided at the bottom of the rectangular frame 5 at intervals and extend in the longitudinal direction, and the lower support plate 73 is slidably assembled to the two guides 8 in the longitudinal direction.

Specifically, the guide member 8 can be but is not limited to a rod member, the lower supporting plate 73 is slidably assembled on the guide member 8, and when the lower supporting plate 73 is driven by the lifting structure 4 to lift, the guide member 8 can provide a guide for the lower supporting plate 73, so that the lower supporting plate 73 is limited, and the lower supporting plate 73 is prevented from being inclined.

It should be noted that in the description of the present specification, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A transmission apparatus, comprising:

a first transmission structure comprising: the device comprises a first transmission mechanism and a plurality of round rollers, wherein the round rollers extend along a first direction and are arranged at intervals along a second direction, and the first transmission mechanism is used for driving the round rollers to rotate in the same direction and synchronously and conveying a piece to be conveyed along the second direction;

the lifting structure is provided with a fixed end and a lifting end which can move relative to the fixed end along the longitudinal direction, the second transmission structure is arranged at the lifting end, and the lifting end can drive the second transmission structure to ascend to a position higher than the round roller or descend to a position lower than the round roller;

wherein the first direction and the second direction are perpendicular to each other, and perpendicular to the longitudinal direction.

2. The transmission apparatus according to claim 1, further comprising:

the connecting plates are respectively fixed on two sides of the interior of the rectangular frame in the first direction;

3. Transmission device according to claim 2,

one end of each round roller close to the first transmission mechanism is provided with a first bevel gear;

the first transmission mechanism includes:

the first transmission shaft extends along the second direction, two ends of the first transmission shaft are respectively and rotatably installed on the vertical plate of the installation part, a second bevel gear which corresponds to and is meshed with the first bevel gear and a plurality of second bevel gears which correspond to and are meshed with the first bevel gears are coaxially arranged on the first transmission shaft.

4. Transmission device according to claim 2,

the elevation structure includes:

5. The transmission apparatus according to claim 4, further comprising:

the crane should include:

the lower supporting plate is arranged at the top end of the telescopic rod;

the upper supporting plate is arranged at the top end of the supporting column;

6. Transmission device according to claim 5,

the transmission section includes: the driving wheel, the two driven wheels and the conveying belt;

7. Transmission device according to claim 6,

the second transmission mechanism includes:

8. Transmission device according to claim 7,

the transmission section further includes:

9. Transmission device according to claim 8,

the transmission section further includes:

the two vertical plates are fixed on two sides of the upper supporting plate in the first direction at intervals, the side parts of the two vertical plates are respectively screwed with a threaded part in the first direction, and one end of the threaded part penetrates through the vertical plates in the first direction and abuts against the side parts of the sliding parts.

10. The transmission apparatus according to claim 9, further comprising:

and the upper supporting plate is assembled on the two guide pieces in a sliding manner along the longitudinal direction.