Lifting and conveying device

Abstract

The lifting and conveying device comprises a support, a first conveying line body and a second conveying line body, and the ends, in the first horizontal direction, of the first conveying line body and the second conveying line body are connected to the support; the first conveying line body and the second conveying line body each comprise a plurality of rollers arranged at intervals in the second horizontal direction perpendicular to the first horizontal direction, and the size of a gap formed between any two adjacent rollers in the second horizontal direction is larger than or equal to the diameter of a single roller. When the first conveying line body and / or the second conveying line body ascends and descends relative to the support, the rollers of the first conveying line body and the rollers of the second conveying line body can be located on the same horizontal plane or arranged at intervals in the vertical direction, and therefore switching can be conducted on the structure of the one-layer conveying line body and the structure of the two-layer conveying line body. The lifting and conveying device can be applied to different working environments, and the application range is wider.

Description

Technical Field

[0001] The present application relates to the technical field of material conveying, and in particular to a lifting and conveying device. Background Art

[0002] In modern logistics transportation, in order to adapt to the material transportation between conveyor lines at different heights, lifting conveying devices are usually needed. Lifting conveying devices generally refer to large-scale mechanical equipment that uses power machinery to change potential energy to drag the transported goods up and down to complete transportation.

[0003] The existing lifting and conveying device usually has only one layer of conveying line body, so when transporting materials, the single-layer conveying line body can only be frequently switched between different height positions according to the height position of the materials. It cannot simultaneously transport materials with two layers of conveying line body, and cannot switch between two layers of conveying line body and one layer of conveying line body. On the other hand, the lifting and conveying device usually needs to cooperate with the robot workstation to realize material transportation, such as loading and unloading and assembly of materials, but the existing lifting and conveying device usually needs to set brackets at its opposite ends to ensure stability, which will cause space occupation and affect the running trajectory of the robot fixture. Utility Model Content

[0004] Based on this, it is necessary to provide a lifting and conveying device that can solve at least one of the above technical problems existing in the existing lifting and conveying devices.

[0005] According to one aspect of the present application, there is provided a lifting and conveying device, comprising:

[0006] A first conveyor line body and a second conveyor line body, wherein one end of the first conveyor line body and the second conveyor line body in the first horizontal direction are respectively connected to the bracket, and the first conveyor line body and the second conveyor line body respectively include a plurality of rollers arranged at intervals in a second horizontal direction perpendicular to the first horizontal direction, the rollers of the first conveyor line body and the rollers of the second conveyor line body are staggered in the second horizontal direction, and the size of the gap formed between any two adjacent rollers of the first conveyor line body and the second conveyor line body in the second horizontal direction is greater than or equal to the diameter of a single roller;

[0007] The first conveyor line body and / or the second conveyor line body are connected to the bracket in a liftable manner, so that the roller of the first conveyor line body and the roller of the second conveyor line body are located in the same horizontal plane or are spaced apart in the vertical direction.

[0008] In one embodiment, a first driving member is installed on the bracket, and the first conveying line body and / or the second conveying line body are connected to the output end of the first driving member through a transmission assembly. The first driving member is used to drive the first conveying line body and / or the second conveying line body to rise and fall relative to the bracket, and the stroke of the first conveying line body and / or the second conveying line body is twice the stroke of the output end of the first driving member.

[0009] In one embodiment, the transmission assembly includes:

[0010] A connecting seat connected to the output end of the first driving member;

[0011] A transmission wheel, rotatably connected to the connection seat, and the transmission wheel can rotate around its own central axis;

[0012] A transmission member is wound around the transmission wheel, one end of the transmission member is connected to the bracket, and the other end of the transmission member is connected to the first conveying line body or the second conveying line body.

[0013] In one embodiment, there are at least two transmission wheels, and all of the transmission wheels are spaced apart along the first horizontal direction.

[0014] In one embodiment, the transmission member is a synchronous belt or a transmission chain.

[0015] In one of the embodiments, the bracket is provided with a first guide rail extending in a vertical direction, a first slider is slidably connected to the first guide rail, and the connecting seat is connected to the first slider.

[0016] In one embodiment, each of the rollers in the first conveyor line body and each of the rollers in the second conveyor line body respectively have a guide groove, and the guide grooves of all the rollers in the first conveyor line body and the guide grooves of all the rollers in the second conveyor line body are aligned along the first horizontal direction.

[0017] In one embodiment, one of the first conveying line body and the second conveying line body is fixedly mounted on the bracket, and the other is liftably connected to the bracket.

[0018] In one of the embodiments, one of the first conveyor line body and the second conveyor line body fixedly connected to the bracket further includes a base, a mounting plate and a wall panel, the mounting plate and the wall panel are respectively mounted on opposite ends of the base in the first horizontal direction, one end of the roller is connected to the mounting plate, and the other end is connected to the wall panel, the mounting plate is fixedly connected to the bracket, and the distance between the wall panel and the mounting plate in the first horizontal direction is adjustable.

[0019] In one embodiment, the lifting and conveying device also includes a second driving member and a third driving member, the second driving member is transmission-connected to any one of the rollers in the first conveying line body, and the third driving member is transmission-connected to any one of the rollers in the second conveying line body; any two adjacent rollers in the first conveying line body and / or the second conveying line body are transmission-connected to each other via a transmission chain or a synchronous belt.

[0020] The above-mentioned lifting and conveying device, on the one hand, by arranging the first conveying line body and the second conveying line body at intervals in the vertical direction, can simultaneously take into account the two layers of conveying line bodies to convey materials at the same time, without having to switch the single-layer conveying line body between different height positions according to the height position of the material. And by connecting the first conveying line body and the second conveying line body at one end in the first horizontal direction to the bracket respectively, the conveying line body is a cantilever structure, which can effectively save space and can avoid the robot clamp when the robot clamp moves.

[0021] On the other hand, by respectively arranging a plurality of rollers spaced apart along the second horizontal direction in the first conveyor line body and the second conveyor line body, the rollers of the first conveyor line body and the rollers of the second conveyor line body are alternately arranged in the second horizontal direction, and the size of the gap formed between any two adjacent rollers in the second horizontal direction is larger than the diameter of a single roller, so that when the first conveyor line body and / or the second conveyor line body is lifted or lowered relative to the bracket, the rollers of the first conveyor line body and the rollers of the second conveyor line body can be located in the same horizontal plane or spaced apart in the vertical direction, so that it is possible to switch between the structure of one-layer conveyor line body and two-layer conveyor line body, so that the lifting and conveying device can be used in different working environments and has a wider range of applicable scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG. 1 is an axial side view of a lifting and conveying device provided in one embodiment of the present application.

[0023] Figure 2 An axial view of a bracket in a lifting and conveying device provided in one embodiment of the present application.

[0024] Figure 3 This is an axial side view of the second conveying line body in the lifting and conveying device provided in one embodiment of the present application.

[0025] Figure 4 This is an axial side view of a first conveying line body in a lifting and conveying device provided in one embodiment of the present application.

[0026] Figure 5 An axial side view of a first driving member connected to a transmission assembly in a lifting and conveying device provided in one embodiment of the present application.

[0027] Figure 6 This is an enlarged schematic diagram of area A in Figure 1.

[0028] Description of reference numerals:

[0029] 10. Lifting and conveying device; 100. Bracket; 110. Post; 120. Second guide rail; 130. Second slider; 140. First guide rail; 150. First slider; 200. First conveying line body; 210. Roller; 211. Guide groove; 220. Chain; 230. Base; 240. Mounting plate; 250. Wall panel; 300. Second conveying line body; 301. Joint; 400. Third driving member; 500. First driving member; 600. Transmission assembly; 610. Connecting seat; 620. Transmission wheel; 630. Transmission member. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0031] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or part referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two parts or the interaction relationship between two parts, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another piece, it may be directly on the other piece or there may be a central piece. If an element is considered to be "connected to" another element, it may be directly connected to the other piece or there may be a central piece at the same time. If present, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0036] Refer to FIG1 , which shows a schematic diagram of the structure of a lifting and conveying device 10 in an embodiment of the present application. The lifting and conveying device 10 provided in an embodiment of the present application includes a bracket 100, a first conveying line body 200 and a second conveying line body 300, wherein the first conveying line body 200 and the second conveying line body 300 are arranged at intervals in the vertical direction (Z direction shown in the figure), and one end of the first conveying line body 200 and the second conveying line body 300 in the first horizontal direction (X direction shown in the figure) is respectively connected to the bracket 100, and the first conveying line body 200 and the second conveying line body 300 are respectively used to convey materials along a second horizontal direction (Y direction shown in the figure) perpendicular to the first horizontal direction.

[0037] In one embodiment, the first conveyor line body 200 and / or the second conveyor line body 300 can be connected to the support 100 in a liftable manner so that one or both of the first conveyor line body 200 and the second conveyor line body 300 can adjust their own position in the vertical direction, thereby being able to transport materials according to the height position of the materials.

[0038] It can be understood here that both the first conveyor line body 200 and the second conveyor line body 300 can be connected to the bracket 100 in a liftable manner, or one of the first conveyor line body 200 and the second conveyor line body 300 can be fixedly connected to the bracket 100, and the other can be connected to the bracket 100 in a liftable manner, and no special limitation is made here. In the embodiment shown in the figure, the first conveyor line body 200 is located below the second conveyor line body 300, and the first conveyor line body 200 is fixedly connected to the bracket 100 and fixedly installed on the ground, and the second conveyor line body 300 is connected to the bracket 100 in a liftable manner.

[0039] Preferably, if Figure 2 As shown, the bracket 100 includes two columns 110 spaced apart along the second horizontal direction, each column 110 is respectively installed with a second guide rail 120 extending along the vertical direction, and the second conveying line body 300 is correspondingly installed with a second slider 130 slidably connected to the second guide rail 120 at one end close to the bracket 100, so that the second conveying line body 300 can be smoothly raised and lowered relative to the bracket 100, thereby improving the stability of the lifting.

[0040] Furthermore, by only connecting the first conveyor line body 200 and the second conveyor line body 300 to the bracket 100 at one end in the first horizontal direction, the second conveyor line body 300 that can be raised and lowered relative to the bracket 100 is a cantilever structure, thereby effectively saving space. When the lifting and conveying device 10 provided in the present application cooperates with the robot workstation to realize material transportation, it can avoid the robot clamp of the robot workstation, thereby not affecting the movement trajectory of the robot clamp.

[0041] In the specific structure of the first conveying line body 200 and the second conveying line body 300, as shown in FIG. Figure 3 and Figure 4As shown, the first conveyor line body 200 and the second conveyor line body 300 respectively include a plurality of rollers 210 spaced apart in the second horizontal direction, the rollers 210 of the first conveyor line body 200 and the rollers 210 of the second conveyor line body 300 are staggered in the second horizontal direction, and the size of the gap formed between any two adjacent rollers 210 in the first conveyor line body 200 and the second conveyor line body 300 in the second horizontal direction is greater than the diameter of a single roller 210, so that when the second conveyor line body 300 is lifted or lowered relative to the first conveyor line body 200, no matter the rollers of the first conveyor line body 200 Whether it is the roller 210 or the roller 210 of the second conveyor line body 300, it can be accommodated in the gap formed by two adjacent rollers 210, so that the roller 210 of the first conveyor line body 200 and the roller 210 of the second conveyor line body 300 can be arranged at intervals in the vertical direction or located on the same horizontal plane, that is, the first conveyor line body 200 and the second conveyor line body 300 can be located on the same horizontal plane, so that the lifting and conveying device 10 provided in the present application can be switched between the structure of a single-layer conveyor line body and a two-layer conveyor line body, so that the lifting and conveying device 10 can be used in different working environments and has a wider range of applicable scenarios.

[0042] In order to be able to convey the material along the second horizontal direction, the lifting and conveying device 10 also includes a second driving member (not shown in the figure) such as a servo motor and a third driving member 400. The second driving member is transmission-connected to any one of the rollers 210 in the first conveying line body 200, and the third driving member 400 is transmission-connected to any one of the rollers 210 in the second conveying line body 300. Any two adjacent rollers 210 of the first conveying line body 200 and / or the second conveying line body 300 are transmission-connected to each other via a chain 220 or a synchronous belt. In this way, when the second driving member drives one of the rollers 210 of the first conveyor line body 200 to rotate around its own central axis, the other rollers 210 of the first conveyor line body 200 will also rotate synchronously around its own central axis driven by the chain 220 or the synchronous belt; in the same way, when the third driving member 400 drives one of the rollers 210 of the second conveyor line body 300 to rotate around its own central axis, the other rollers 210 of the second conveyor line body 300 will also rotate synchronously around its own central axis driven by the chain 220 or the synchronous belt. Such a design can ensure that multiple rollers 210 of the first conveyor line body 200 and the second conveyor line body 300 can rotate synchronously, thereby improving the reliability of transportation.

[0043] Of course, it is also possible not to set a chain 220 or a synchronous belt between any two adjacent rollers 210. When one of the rollers 210 rotates to drive the material to move along the second horizontal direction, it can also drive other rollers 210 to rotate synchronously around their own central axes. However, it is obvious that making any two adjacent rollers 210 connected to each other by a chain 220 or a synchronous belt can have the best technical effect.

[0044] like Figure 4 As shown, Figure 4 A structural schematic diagram of a first conveyor line body 200 of an embodiment is shown. In this embodiment, the first conveyor line body 200 is fixedly connected to the bracket 100 and fixedly installed on the ground. In addition to including multiple rollers 210, the first conveyor line body 200 also includes a base 230, a mounting plate 240 and a wall panel 250. The mounting plate 240 and the wall panel 250 are respectively installed at opposite ends of the base 230 in the first horizontal direction. One end of the roller 210 is connected to the mounting plate 240, and the other end is connected to the wall panel 250. The mounting plate 240 is fixedly connected to the bracket 100, and the distance between the wall panel 250 and the mounting plate 240 in the first horizontal direction is adjustable.

[0045] Thus, on one hand, when the length of the roller 210 changes, by designing the distance between the wall panel 250 and the mounting plate 240 in the first horizontal direction to be adjustable, the first conveyor line body 200 can be adapted to install rollers 210 of different lengths.

[0046] On the other hand, Figure 4 As shown, in one embodiment, each roller 210 in the first conveyor line body 200 and each roller 210 in the second conveyor line body 300 respectively has a guide groove 211. When the material is a pallet, and the bottom of the pallet has a long strip-shaped guide portion extending along the first horizontal direction, by designing the distance between the wall plate 250 and the mounting plate 240 in the first horizontal direction to be adjustable, the guide grooves 211 of all rollers 210 in the first conveyor line body 200 and the guide grooves 211 of all rollers 210 in the second conveyor line body 300 can be aligned along the first horizontal direction without causing an unadjustable misalignment, thereby preventing the guide portion from being unable to be accommodated in the guide grooves 211 of all rollers 210. In this way, when the guide portion is accommodated in the guide grooves 211 of all rollers 210, the guide grooves 211 can limit the guide portion, thereby preventing the pallet from moving along the axial direction of the roller 210 (i.e., along the first horizontal direction) when being conveyed along the second horizontal direction.

[0047] On the contrary, when the first conveyor line body 200 is connected to the bracket 100 in a liftable manner, and the second conveyor line body 300 is fixed to the bracket 100 and fixedly installed on the ground, the second conveyor line body 300 is the structure described in the above embodiment, which will not be repeated here.

[0048] Furthermore, when the second conveyor line body 300 is connected to the bracket 100 in a liftable manner, in terms of the driving method for lifting the second conveyor line body 300, as shown in the figure, a first driving member 500 is installed on the bracket 100, and the second conveyor line body 300 is connected to the output end of the first driving member 500 through a transmission assembly 600. The second conveyor line body 300 can be lifted and lowered relative to the bracket 100 under the drive of the first driving member 500. The first driving member 500 can be a cylinder or a hydraulic cylinder, etc., which is not limited here.

[0049] Preferably, in the embodiment of the present application, the transmission assembly 600 is specially designed so that the stroke of the second conveyor line 300 is twice the stroke of the output end of the first driving member 500, so as to achieve the purpose of saving space. Figure 5 As shown, the transmission assembly 600 includes a connecting seat 610, a transmission wheel 620 and a transmission member 630, wherein the connecting seat 610 is connected to the output end of the first driving member 500; the transmission wheel 620 is rotatably connected to the connecting seat 610 and can rotate around its own central axis; the transmission member 630 is wound around the transmission wheel 620 in an elongated strip shape, wherein one end of the transmission member 630 is connected to the bracket 100, and the other end is connected to the second conveying line body 300 through the connector 301.

[0050] Exemplarily, the transmission member 630 is a synchronous belt or a transmission chain. In this way, by utilizing the principle of pulley transmission, when the output end of the first driving member 500 is lifted upward by a distance of X, as the transmission wheel 620 rotates around its own central axis, the transmission member 630 moves along both sides of the transmission wheel 620 radially in opposite directions by a distance of X. In this way, the moving distance of the second conveying line body 300 connected to the transmission member 630 is 2X, so that the stroke of the second conveying line body 300 is twice the stroke of the output end of the first driving member 500, achieving the purpose of energy saving and space saving.

[0051] Preferably, in Figure 5 In the embodiment in the embodiment, the number of transmission wheels 620 is two, and the two transmission wheels 620 are arranged at intervals along the first horizontal direction. This is because if only one transmission wheel 620 is provided, in order to meet the requirements that the two ends of the transmission member 630 can be connected to the bracket 100 and the second conveyor line body 300 respectively and to avoid interference, the single transmission wheel 620 needs to have a larger diameter, which greatly occupies space. By providing two transmission wheels 620 with smaller diameters, the above requirements can be met and space can be saved. Of course, the number of transmission wheels 620 can also be more, and all transmission wheels 620 are arranged at intervals along the first horizontal direction, which is not limited here.

[0052] In addition, since the output end of the first driving member 500 has a certain length, based on the above embodiment, in combination with FIG. 1, Figure 2 and Figure 6 As shown, the bracket 100 is also provided with a first guide rail 140 extending in the vertical direction, and the first guide rail 140 is slidably connected to the first slider 150, and the connecting seat 610 is connected to the first slider 150. In this way, since the first guide rail 140 guides and limits the output end of the first driving member 500, it can effectively prevent the output end of the first driving member 500 from being subjected to a large eccentric load.

[0053] It should be noted that when the first conveyor line body 200 can be raised and lowered relative to the bracket 100, the first conveyor line body 200 is connected to the output end of the first driving member 500 through the transmission assembly 600, and when both the first conveyor line body 200 and the second conveyor line body 300 can be raised and lowered relative to the bracket 100, two first driving members 500 are arranged on the bracket 100, and the first conveyor line body 200 and the second conveyor line body 300 are respectively connected to a corresponding first driving member 500 through a transmission assembly 600.

[0054] In addition, it is worth noting that the implementation method of achieving the stroke of the second conveyor line body 300 being twice the stroke of the output end of the first driving member 500 is not limited to the structure of the above embodiment, and can also be achieved by the structure of other embodiments. For example, the transmission assembly 600 can be a planetary ball screw structure, but the chain structure shown in the figure can achieve space saving and cost reduction to a large extent, which is obviously the best implementation method.

[0055] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A lifting and conveying device, characterized in that: include; Bracket; A first conveyor line body and a second conveyor line body, wherein one end of the first conveyor line body and the second conveyor line body in the first horizontal direction are respectively connected to the bracket, and the first conveyor line body and the second conveyor line body respectively include a plurality of rollers arranged at intervals in a second horizontal direction perpendicular to the first horizontal direction, the rollers of the first conveyor line body and the rollers of the second conveyor line body are staggered in the second horizontal direction, and the size of the gap formed between any two adjacent rollers of the first conveyor line body and the second conveyor line body in the second horizontal direction is greater than or equal to the diameter of a single roller; The first conveyor line body and / or the second conveyor line body are connected to the bracket in a liftable manner, so that the roller of the first conveyor line body and the roller of the second conveyor line body are located in the same horizontal plane or are spaced apart in the vertical direction.

2. The lifting and conveying device according to claim 1, characterized in that: A first driving member is installed on the bracket, and the first conveying line body and / or the second conveying line body are connected to the output end of the first driving member through a transmission assembly. The first driving member is used to drive the first conveying line body and / or the second conveying line body to rise and fall relative to the bracket, and the stroke of the first conveying line body and / or the second conveying line body is twice the stroke of the output end of the first driving member.

3. The lifting and conveying device according to claim 2, characterized in that: The transmission assembly comprises: A connecting seat connected to the output end of the first driving member; A transmission wheel, rotatably connected to the connection seat, and the transmission wheel can rotate around its own central axis; A transmission member is wound around the transmission wheel, one end of the transmission member is connected to the bracket, and the other end of the transmission member is connected to the first conveying line body or the second conveying line body.

4. The lifting and conveying device according to claim 3, characterized in that: There are at least two transmission wheels, and all of the transmission wheels are arranged at intervals along the first horizontal direction.

5. The lifting and conveying device according to claim 3, characterized in that: The transmission member is a synchronous belt or a transmission chain.

6. The lifting and conveying device according to claim 3, characterized in that: The bracket is provided with a first guide rail extending in a vertical direction, a first sliding block is slidably connected to the first guide rail, and the connecting seat is connected to the first sliding block.

7. The lifting and conveying device according to claim 1, characterized in that: Each roller in the first conveyor line body and each roller in the second conveyor line body respectively has a guide groove, and the guide grooves of all the rollers in the first conveyor line body and the guide grooves of all the rollers in the second conveyor line body are aligned along the first horizontal direction.

8. The lifting and conveying device according to claim 1, characterized in that: One of the first conveying line body and the second conveying line body is fixedly mounted on the bracket, and the other is connected to the bracket in a liftable manner.

9. The lifting and conveying device according to claim 8, characterized in that: One of the first conveyor line body and the second conveyor line body fixedly connected to the bracket also includes a base, a mounting plate and a wall panel, the mounting plate and the wall panel are respectively mounted on opposite ends of the base in the first horizontal direction, one end of the roller is connected to the mounting plate, and the other end is connected to the wall panel, the mounting plate is fixedly connected to the bracket, and the distance between the wall panel and the mounting plate in the first horizontal direction is adjustable.

10. The lifting and conveying device according to claim 1, characterized in that: The lifting and conveying device also includes a second driving member and a third driving member, the second driving member is transmission-connected to any one of the rollers in the first conveying line body, and the third driving member is transmission-connected to any one of the rollers in the second conveying line body; any two adjacent rollers in the first conveying line body and / or the second conveying line body are transmission-connected to each other via a transmission chain or a synchronous belt.

Images