Differential tooth type chain conveying device

Abstract

The utility model discloses a differential tooth type chain conveying device, which belongs to the technical field of intelligent logistics material transmission and comprises a first chain conveying component, a second chain conveying component and a transition conveying component arranged in the first chain conveying component and the second chain conveying component. The first chain conveying assembly comprises a first conveying chain, the second chain conveying assembly comprises a second conveying chain, the transition conveying assembly comprises a conveying chain, and the conveying chain is arranged in a gap between the first conveying chain and the second conveying chain; the conveying chains, the first conveying chain and the second conveying chain are installed in a differential tooth mode, so that the transition conveying assembly is arranged in the first chain conveying assembly and the second chain conveying assembly, and a gap between the first chain conveying assembly and the second chain conveying assembly is eliminated. Therefore, stable transportation of the novel steel tray between the first chain conveying assembly and the second chain conveying assembly is achieved, the phenomenon that the connecting position is clamped is avoided, and the conveying efficiency and the stability are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of intelligent logistics material transmission, and specifically relates to a differential tooth type chain conveying device. Background Art

[0002] With the rapid development of the domestic warehousing industry, corporate warehouses are getting bigger and bigger, and there are more and more products. Dense warehousing can make more effective use of warehouse space. The equipment in heavy-duty dense warehouses includes fire-fighting equipment, conveying equipment, etc. The existing supporting conveying equipment generally includes: chain conveyors, roller conveyors, double-speed chain conveyors and belt conveyors, etc.

[0003] At present, roller conveyors have the advantages of fast conveying speed, suitable for long-distance conveying, saving time, labor and manpower; flexible process layout, can be arranged on an elevated, ground or pit, and can be installed horizontally or climbing (climbing angle ≤ 15°); low cost of use, power saving and durable, less maintenance, low cost, etc.; however, there are also some disadvantages. For example, for specific carriers such as new steel pallets, after the plate fork is forked onto the roller conveyor, because the direction of the supports on both sides is parallel to the installation direction of the rollers, and there is a gap between the rollers, the new steel pallets will not be able to move forward in the direction of pallet conveying. Compared with roller conveyors, chain conveyors have large conveying capacity, low conveying energy consumption, and use the internal friction of materials to change pushing materials to pulling, so that they can save 50% of electricity compared with screw conveyors, and have a long service life. Therefore, they are widely used in dense warehousing.

[0004] However, during the conveying process of ordinary chain conveyors / double-speed chain conveyors / belt conveyors, since the joints of the two chain conveyors are composed of the semicircular arcs of their respective sprockets and matching chains, there is a gap in the middle. For the conveying of new steel pallets, the connection between the two ends may get stuck, making it impossible for the pallets to move forward.

[0005] In response to the above problems, the patent with the existing authorization announcement number CN213444947 U proposes a seamless docking conveying device, in which a transmission mechanism is installed between the first conveyor line and the second conveyor line. The transmission mechanism includes a driving wheel, a driving shaft, a driven shaft, a driven wheel and a transition chain. The driving shaft and the driving wheel are installed on the end of the first conveyor line, and are connected to the first conveyor line through the driving shaft, so that the driving shaft rotates and drives the driving wheel to rotate. The driven shaft and the driven wheel are installed on the end of the second conveyor line. The driven shaft is not connected to the roller inside the second conveyor line, but drives the driven wheel to rotate on the driven shaft through the transition chain. When the carrier is transmitted to the end of the first conveyor line, the carrier can overlap and contact with the transition chain at the end of the first conveyor line, and then the carrier is driven by the transition chain to seamlessly transition to the end position of the second conveyor line, so that the carrier can achieve smooth and seamless connection at the transition position of the ends of the two conveyor lines. However, the transmission mechanism of this patent has no support parts, and relies entirely on the connection with the conveyor line to complete the transportation. The stability and bearing capacity need to be improved.

[0006] The existing patent with the authorization announcement number CN219030890 U proposes a transition conveying device for a chain conveyor, which adds a set of sprocket transmissions between two oppositely connected chain conveyors, including a support assembly and a transition conveying assembly arranged on both sides of the chain conveyor. The transition conveying assembly includes a chain transition conveying mechanism and a transmission assembly. The transmission assembly is connected to the chain conveying part of the chain conveyor by transmission. The chain conveying part drives the conveying chain of the chain transition conveying mechanism to move through the transmission assembly to achieve a smooth transition effect. However, the transition conveying assembly of the patent does not have a separate driving mechanism, but is driven by a transmission connection with the chain conveyor, which has a complex structure and high maintenance costs.

[0007] In summary, the current conveying device still has some problems, therefore, it is necessary to propose a differential tooth chain conveying device. Summary of the invention

[0008] Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides a differential tooth type chain conveying device.

[0009] Technical solution: To solve the above technical problems, the utility model provides a differential tooth chain conveying device, which includes a first chain conveying assembly, a second chain conveying assembly, and a transition conveying assembly built into the first chain conveying assembly and the second chain conveying assembly;

[0010] The first chain conveying assembly includes a first chain frame, a first driving motor fixed to the first chain frame, and a first conveying chain drivingly connected to the first driving motor;

[0011] The second chain conveyor assembly includes a second chain frame, a second drive motor fixed to the second chain frame, and a second conveyor chain drivingly connected to the second drive motor, the second conveyor chain and the first conveyor chain are arranged at intervals, and the second conveyor chain and the first conveyor chain are in the same transmission line;

[0012] The transition conveying assembly includes a conveying frame, a conveying motor fixed on the conveying frame, and a conveying chain drivingly connected to the conveying motor, wherein the conveying chain is built in the interval between the first conveying chain and the second conveying chain.

[0013] Furthermore, the conveying chain is installed in a differential gear configuration with the first conveying chain and the second conveying chain.

[0014] Further, the center widths of the first conveying chain and the second conveying chain are greater than the center width of the conveying chain.

[0015] Furthermore, the first drive motor, the second drive motor and the conveying motor are driven synchronously.

[0016] Furthermore, the first drive motor, the second drive motor and the conveying motor are all tensioned by a chain plus a driving sprocket.

[0017] Furthermore, the first chain conveying assembly and the second chain conveying assembly are connected via a decoration assembly.

[0018] Furthermore, the decorative component is made of steel of model Q235A.

[0019] Furthermore, the center widths of the first chain conveying assembly and the second chain conveying assembly are 1000 mm, and the center width of the transition conveying assembly is 700 mm.

[0020] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0021] 1. The transition conveying assembly of the utility model is built into the first chain conveying assembly and the second chain conveying assembly, eliminating the gap between the first chain conveying assembly and the second chain conveying assembly, so that the first chain conveying assembly, the second chain conveying assembly and the transition conveying assembly work at the same time, thereby realizing the smooth transportation of the new steel pallet, avoiding the jamming phenomenon at the connection, and improving the conveying efficiency and smoothness.

[0022] 2. The first chain conveying assembly, the second chain conveying assembly and the transition conveying assembly of the utility model all include support members, which improve the stability of the device during transportation and have a simple structure and are easy to maintain.

[0023] 3. The utility model adopts the method of chain plus active sprocket for tensioning, which not only guides the transmission of the device, but also makes the chain in a suitable tensioning state during operation, avoiding chain loosening and falling off, and improving the stability during transmission; and the first chain conveying assembly, the second chain conveying assembly and the transition conveying assembly all include separate motors, which increases the power during transmission and improves transmission efficiency.

[0024] 4. The utility model adds a decorative component between the first chain conveying component and the second chain conveying component. The decorative component improves the stability of the entire device during the transmission process to a certain extent and makes the entire device more beautiful.

[0025] 5. The utility model is applicable to the new steel pallet. The support legs of the new steel pallet are in a vertical relationship with the first conveyor chain, the conveyor chain and the second conveyor chain. A conveyor assembly is arranged between the first conveyor assembly and the second conveyor assembly, which solves the jamming phenomenon of the new steel pallet when passing through the gap between the first conveyor assembly and the second conveyor assembly, so that the new steel pallet can smoothly transition and transfer between the two conveyor assemblies. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a top view of a differential tooth type chain conveyor.

[0027] Figure 2 It is a side view of a differential tooth type chain conveyor.

[0028] Figure 3 Schematic diagram of the structure of the first drive motor.

[0029] FIG4 (a) is a schematic diagram of a new type of steel pallet in three directions, wherein the number of supporting legs is two and the direction of the supporting legs is perpendicular to the transmission direction of the conveying device.

[0030] FIG4( b ) is a schematic diagram of three directions of a new type of steel pallet having two supporting legs and the direction of the supporting legs being parallel to the transmission direction of the conveying device.

[0031] FIG4 (c) is a schematic diagram of three directions of a new type of steel pallet having three supporting legs and the direction of the supporting legs being perpendicular to the transmission direction of the conveying device.

[0032] FIG5( a ) is a schematic top view of a differential tooth chain conveyor transporting a new type of steel pallet.

[0033] FIG5( b ) is a schematic side view of a differential tooth chain conveyor transporting a new type of steel pallet.

[0034] Description of Figure Numbers:

[0035] 1. First chain conveying assembly; 11. First chain frame; 12. First drive motor; 121. First active sprocket; 122. Internal chain; 123. Passive sprocket; 124. First tensioning wheel; 125. Second tensioning wheel; 13. First conveying chain; 14. First support; 2. Second chain conveying assembly; 21. Second chain frame; 22. Second drive motor; 23. Second conveying chain; 24. Second support; 3. Transition conveying assembly; 31. Conveying frame; 32. Conveying motor; 33. Conveying chain; 34. Transition support; 4. Decoration assembly. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0037] Example 1

[0038] The utility model provides a differential tooth chain conveying device, referring to Figure 1 The device comprises a first chain conveying assembly 1, a second chain conveying assembly 2 and a transition conveying assembly 3 built into the first chain conveying assembly 1 and the second chain conveying assembly 2;

[0039] The first chain conveyor assembly 1 comprises a first chain frame 11, a first drive motor 12 fixed to the first chain frame 11, and a first conveyor chain 13 drivingly connected to the first drive motor 12;

[0040] The second chain conveyor assembly 2 comprises a second chain frame 21, a second drive motor 22 fixed on the second chain frame 21, and a second conveyor chain 23 drivingly connected to the second drive motor 22, wherein the second conveyor chain 23 is arranged at intervals with the first conveyor chain 13, and the second conveyor chain 23 and the first conveyor chain 13 are located on the same transmission line; in this embodiment, the first conveyor chain 13 of the first chain conveyor assembly 1 works along the transmission direction, and the first conveyor chain 13 arranged at intervals with the second conveyor chain 23 works along the transmission direction at the same time;

[0041] The above-mentioned transition conveying assembly 3 includes a conveying frame 31, a conveying motor 32 fixed on the conveying frame 31, and a conveying chain 33 transmission-connected to the conveying motor 32, and the conveying chain 33 is built into the gap between the first conveying chain 13 and the second conveying chain 23; in this embodiment, the conveying chain 33 and the first conveying chain 13 and the second conveying chain 23 are installed in a differential tooth type, that is, the conveying chain 33 and the first conveying chain 13 and the second conveying chain 23 are placed crosswise, so that the transition conveying assembly 3 is built into the first chain conveying assembly 1 and the second chain conveying assembly 2.

[0042] In this embodiment, when the new steel pallet is conveying goods along the transmission direction on this device, the transition conveying assembly is built into the first chain conveying assembly and the second chain conveying assembly, eliminating the gap between the first chain conveying assembly and the second chain conveying assembly, so that the first chain conveying assembly, the second chain conveying assembly and the transition conveying assembly work at the same time, thereby realizing the smooth transportation of the new steel pallet between the first chain conveying assembly and the second chain conveying assembly, avoiding the phenomenon of sticking at the connection, and improving the conveying efficiency and smoothness.

[0043] Example 2

[0044] The utility model provides a differential tooth chain conveying device. Based on Example 1, the conveying of the device adopts chain conveying, that is, the first chain conveying component 1 adopts the first conveying chain 13 for conveying, the second chain conveying component 2 adopts the second conveying chain 23 for conveying, and the transition conveying component 3 adopts the conveying chain 33 for conveying. Figure 1 , the first chain conveying assembly has no connection with the transition conveying assembly, and the second chain conveying assembly has no connection with the transition conveying assembly, the center width of the first conveying chain 13 and the second conveying chain 23 is greater than the center width of the conveying chain 33, then the first conveying chain 13 of the first chain conveying assembly and the conveying chain 33 of the transition conveying assembly are installed in a differential tooth shape, that is, the first conveying chain 13 and the conveying chain 33 are not in contact, and the second conveying chain 23 of the second chain conveying assembly and the conveying chain 33 of the transition conveying assembly are installed in a differential tooth shape, that is, the second conveying chain 23 and the conveying chain 33 are not in contact, and the conveying chain 33 is parallel to the first conveying chain 13 and the second conveying chain 23.

[0045] Reference Figure 2 The first chain conveyor assembly 1 further includes a first support member 14, the first support member 14 is fixedly connected to the first chain frame 11, the first drive motor 12 is fixed to the first chain frame 11, the first drive motor 12 is transmission-connected to the first conveyor chain 13, and the first support member 14 is used to support the first chain frame 11;

[0046] The second chain conveyor assembly 2 further includes a second support member 24, which is fixedly connected to the second chain frame 21, and a second drive motor 22 is fixed to the second chain frame 21, and the second drive motor 22 is transmission-connected to the second conveyor chain 23, and the second support member 24 is used to support the second chain conveyor assembly 2;

[0047] The transition conveying assembly 3 also includes a transition support 34, which is fixedly connected to the conveying frame 31 and is used to support the transition conveying assembly 3. The conveying motor 32 is fixed on the conveying frame 31, and the conveying motor 32 is transmission-connected to the conveying chain 33. The transition support 34 is used to support the transition conveying assembly 3. In this embodiment, the first chain conveying assembly, the second chain conveying assembly and the transition conveying assembly all include support members, which improves the stability of the device during transportation, and has a simple structure and is easy to maintain.

[0048] Example 3

[0049] The utility model provides a differential tooth chain conveying device, based on Example 2, the first chain conveying component 1 drives the first conveying chain 13 to work along the transmission direction through the first drive motor 12, the second chain conveying component 2 drives the second conveying chain 23 to work along the transmission direction through the second drive motor 22, and the transition conveying component 3 drives the conveying chain 33 to work along the transmission direction through the conveying motor 32. The first drive motor 12, the second drive motor 22 and the conveying motor 32 are all tensioned by a chain plus an active sprocket, so that the first conveying chain 13, the second conveying chain 23 and the conveying chain 33 are in a tensioned state when working.

[0050] Reference Figure 3 The first driving motor 12 includes a first driving sprocket 121, an internal chain 122 disposed on the first driving sprocket 121 and drivingly connected to the first driving sprocket 121, and a passive sprocket 123 drivingly connected to the internal chain 122. The first conveying chain 11 passes through a first tensioning wheel 124 disposed at one end above the first driving motor 12, a passive sprocket 123, and a second tensioning wheel 125 disposed at the other end above the first driving motor 12 in sequence. The first conveying chain 11 is in contact and connected with the first tensioning wheel 124 and the second tensioning wheel 125. The first conveying chain 11 is drivingly connected with the passive sprocket 123 via an idler wheel on the passive sprocket 123.

[0051] When the first driving motor 12 is working, the first active sprocket 121 rotates, and then the first active sprocket 121 drives the passive sprocket 123 connected to the internal chain 122 to rotate through the internal chain 122, and then the passive sprocket 123 drives the idler wheel on the passive sprocket 123 to rotate, and then the idler wheel drives the first conveying chain 11 connected to the idler wheel to rotate, and then the first conveying chain 11 is tensioned at both ends of the first driving motor 12 through the first tensioning wheel 124 and the second tensioning wheel 125 that are in contact with the first conveying chain 11, so as to realize the transmission of the first conveying chain 11 in the transmission direction.

[0052] The second drive motor 22 and the conveying motor 32 are both tensioned by a chain plus a driving sprocket, and their structure is the same as that of the first drive motor 12. In this embodiment, the chain plus a driving sprocket is tensioned, which not only guides the transmission of the device, but also makes the chain in a suitable tension state during operation, avoiding the chain from loosening and falling off, and improving the stability during the transmission process.

[0053] When the device of this embodiment is working, the first drive motor 12, the second drive motor 22 and the conveying motor 32 are driven synchronously, that is, the first drive motor 12 is working, and the first drive motor 12 drives the first conveying chain 13 connected to the first drive motor 12 to rotate; at the same time, the conveying motor 32 is working, and the conveying motor 32 drives the conveying chain 33 connected to the conveying motor 32 to rotate; at the same time, the second drive motor 22 is working, and the second drive motor 22 drives the second conveying chain 23 connected to the second drive motor 22 to rotate, so that the chains of the device rotate synchronously, which improves the stability during the transmission process; the first chain conveying assembly, the second chain conveying assembly and the transition conveying assembly all include separate motors, which increases the power during the transmission process and improves the transmission efficiency.

[0054] Example 4

[0055] The utility model provides a differential tooth chain conveying device, based on Example 3, referring to Figure 1 The first chain conveyor assembly 1 and the second chain conveyor assembly 2 are on the same horizontal transmission line, the first chain conveyor assembly 1 and the second chain conveyor assembly 2 are arranged at an interval, the first chain conveyor assembly 1 and the second chain conveyor assembly 2 are connected by a decoration assembly 4, one end of the decoration assembly 4 is connected to the first chain conveyor assembly 1, and the other end of the decoration assembly 4 is connected to the second chain conveyor assembly 2.

[0056] The decoration component 4 is linearly located between the first chain conveying component 1 and the second chain conveying component 2. One end of the decoration component 4 is fixedly connected to one end of the first conveying chain 13, and the other end of the decoration component 4 is fixedly connected to one end of the second conveying chain 23. The height of the decoration component 4 is lower than the heights of the first conveying chain 13 and the second conveying chain 23. The transition conveying component 3 is located in the middle of the decoration component 4, and the transition conveying component 3 does not contact the decoration component 4. The length of the transition conveying component 3 is greater than the length of the decoration component 4. Since the first chain conveying component and the second chain conveying component do not contact, the present embodiment adds a decoration component between the first chain conveying component and the second chain conveying component. The decoration component improves the stability of the entire device during the transmission process to a certain extent, and makes the entire device more beautiful and integrated.

[0057] The decorative component 4 can be made of a variety of materials. The material of the decorative component 4 in this embodiment is consistent with the profiles on both sides of the first chain conveying component and the second chain conveying component in the device, both of which are model Q235A steel, Q is the yield degree of the material, and 235 is the yield value of the material; when the steel is stretched, when the stress exceeds the elastic limit, even if the stress no longer increases, the steel continues to undergo obvious plastic deformation. At this time, the minimum stress value is the yield value, and the yield value decreases with the increase of the thickness of the material. It can be seen that Q235A steel has better toughness and plasticity and better comprehensive performance; the decorative component in this embodiment uses model Q235A steel, which improves the smoothness and bearing capacity of the device during transmission.

[0058] Example 5

[0059] The utility model provides a differential tooth chain conveying device. Based on Example 4, the overall height of the device (except the casters of the first support member / second support member and transition support member) is 466mm, the total weight is 200KG, the transmission speed is 16m / min, the full load weight of the device is 1000kg, the first chain frame 11, the second chain frame 21 and the conveying frame 31 are all stamped parts, and all accessories can be molded; the length / width of the first chain conveying component 1 and the second chain conveying component 2 can be customized according to the specific project, and the center width of the first chain conveying component 1 and the second chain conveying component 2 is greater than the center width of the transition conveying component 3, ensuring that the transition conveying component 3 does not interfere with the first chain conveying component 1 and the second chain conveying component 2 when the differential teeth are installed. In this embodiment, the center width of the first chain conveying component 1 and the second chain conveying component 2 is 1000mm, and the center width of the transition conveying component 3 is 700mm.

[0060] This device is suitable for new steel pallets. Currently, new steel pallets are used in omnidirectional vehicles or plate forks. There are many types of new steel pallets. Different types of new steel pallets have the same size. Referring to Figure 4 (a), Figure 4 (b) and Figure 4 (c), different types of new steel pallets are 1200mm long, 1000mm wide and 175mm high. The length direction of the new steel pallets is perpendicular to the transmission direction of this conveying device, but different types of new steel pallets have different numbers of support legs, generally 2-3 support legs.

[0061] Referring to FIG4(a), the number of supporting legs of the new steel pallet is 2, and the direction of the supporting legs is perpendicular to the transmission direction of the conveying device. The schematic diagrams in three directions in FIG4(a) are: one is a side view perpendicular to the transmission direction, one is a front view along the transmission direction, and the last is a top view; referring to FIG4(b), the number of supporting legs of the new steel pallet is 2, and the direction of the supporting legs is parallel to the transmission direction of the conveying device. The schematic diagrams in three directions in FIG4(b) are: one is a side view perpendicular to the transmission direction, one is a front view along the transmission direction, and the last is a top view; referring to FIG4(c), the number of supporting legs of the new steel pallet is 3, and the direction of the supporting legs is perpendicular to the transmission direction of the conveying device. The schematic diagrams in three directions in FIG4(c) are: one is a side view perpendicular to the transmission direction, one is a front view along the transmission direction, and the last is a top view;

[0062] 5(a) and 5(b), after the omnidirectional vehicle or fork lifts the new steel pallet to the device, the length direction of 2-3 supporting legs of the new steel pallet is perpendicular to the transmission direction of the device, that is, the supporting legs of the new steel pallet are perpendicular to the first conveying chain 13, the conveying chain 33 and the second conveying chain 23.

[0063] When the device is working, the first drive motor 12, the second drive motor 22 and the conveying motor 32 work synchronously, the first drive motor 12 drives the first conveying chain 13 connected to the first drive motor 12 to rotate, and the first conveying chain 13 drives the new steel pallet on the first conveying chain 13 to be transmitted along the transmission direction; after the new steel pallet is transmitted to the intersection of the first conveying chain 13 and the conveying chain 33, the supporting legs of the new steel pallet smoothly transition to the conveying chain 33. At this time, the conveying motor 32 works synchronously with the first drive motor 12, and the conveying motor 32 drives the conveying chain 33 connected to the conveying motor 32 to rotate, and then the conveying chain 33 drives the new steel pallet on the conveying chain 33 to be transmitted along the transmission direction; the new steel pallet is transmitted to the intersection of the conveying chain 33 and the second conveying chain 23 After that, the support legs of the new steel pallet smoothly transition to the second conveyor chain 23. At this time, the second drive motor 22 works synchronously with the conveying motor 32 and the first drive motor 12. The second drive motor 22 drives the first conveying chain 23 connected to the second drive motor 22 to rotate, and then the first conveying chain 23 drives the new steel pallet on the first conveying chain 23 to be transmitted along the transmission direction; the device of this embodiment is suitable for new steel pallets, and the support legs of the new steel pallet are vertical to the first conveying chain, the conveying chain and the second conveying chain. A conveying assembly is arranged between the first conveying assembly and the second conveying assembly, which solves the jamming phenomenon of the new steel pallet when passing through the gap between the first conveying assembly and the second conveying assembly, so that the new steel pallet can be smoothly transferred between the two conveying assemblies.

[0064] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A differential tooth chain conveyor, characterized in that: The device comprises a first chain conveying assembly (1), a second chain conveying assembly (2), and a transition conveying assembly (3) built into the first chain conveying assembly (1) and the second chain conveying assembly (2); The first chain conveyor assembly (1) comprises a first chain frame (11), a first drive motor (12) fixed to the first chain frame (11), and a first conveyor chain (13) drivingly connected to the first drive motor (12); The second chain conveyor assembly (2) comprises a second chain frame (21), a second drive motor (22) fixed on the second chain frame (21), and a second conveyor chain (23) drivingly connected to the second drive motor (22), the second conveyor chain (23) and the first conveyor chain (13) being arranged at intervals, and the second conveyor chain (23) and the first conveyor chain (13) are located on the same transmission line; The transition conveying assembly (3) comprises a conveying frame (31), a conveying motor (32) fixed on the conveying frame (31), and a conveying chain (33) drivingly connected to the conveying motor (32), wherein the conveying chain (33) is built in the gap between the first conveying chain (13) and the second conveying chain (23); The conveying chain (33) is installed in a differential gear configuration with the first conveying chain (13) and the second conveying chain (23); The center widths of the first conveying chain (13) and the second conveying chain (23) are greater than the center width of the conveying chain (33); The first drive motor (12), the second drive motor (22) and the conveying motor (32) are driven synchronously; The first drive motor (12), the second drive motor (22) and the conveying motor (32) are all tensioned by means of a chain plus a driving sprocket.

2. The differential tooth chain conveyor according to claim 1, characterized in that: The first chain conveying assembly (1) and the second chain conveying assembly (2) are connected via a decoration assembly (4).

3. The differential tooth chain conveyor according to claim 2, characterized in that: The decorative component (4) is made of steel of model Q235A.

4. The differential tooth chain conveyor according to claim 3, characterized in that: The center widths of the first chain conveyor assembly (1) and the second chain conveyor assembly (2) are 1000 mm, and the center width of the transition conveyor assembly (3) is 700 mm.

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