Dry-wet separation transmission device of underground garbage treatment system

Abstract

The present invention belongs to the field of environmental sanitation technology, and specifically relates to a dry-wet separation transmission device for an underground garbage disposal system, comprising: a ground platform; a compression box located below the ground platform, with a material receiving port provided at the upper end of the compression box; a transition bin located between the ground platform and the compression box, with a filter plate provided on the bottom wall of the transition bin, and a sewage pipe provided below the filter plate; a gate plate installed at the feeding port, with a pressure plate provided at the lower end of the gate plate, the pressure plate being movably connected to the gate plate along the normal direction of the gate plate, so that when the gate plate is closed, the pressure plate can squeeze the garbage stored in the transition bin in the vertical direction. The dry-wet separation transmission device for an underground garbage disposal system provided by the present invention can compress the garbage before it enters the compression box, and separate sewage from the garbage, thereby reducing the water content of the garbage when it enters the compression box and avoiding the situation where sewage overflows when the compression box compresses the garbage.

Description

Technical Field

[0001] The present invention belongs to the technical field of environmental sanitation, and in particular relates to a dry-wet separation transmission device for an underground garbage disposal system. Background Art

[0002] The underground garbage disposal system is used for garbage transfer. It is installed in a pit and mainly includes a compression box with a feeding port on the top of the compression box. Sanitation trucks temporarily put garbage into the compression box. The compression box is equipped with a compression pusher head to compress the garbage. The compression box is connected to the outside of the compression box. When the compression box is full, the lifting mechanism lifts the compression box, and then the box door at one end of the compression box is opened. The garbage truck docks with the compression box, and the compression pusher head pushes the garbage in the compression box into the truck. The truck then transfers the garbage to the garbage treatment plant. In actual application, the garbage is often mixed with a large amount of sewage. This sewage is put into the compression box together with the garbage. During the compression process of the compression box, the sewage will splash everywhere, causing sewage to flow throughout the compression box. Although the existing compression box is equipped with a sewage discharge device, the compression pusher head cannot be effectively sealed due to the presence of the compression pusher head. Sewage will overflow from the gap between the pusher head and the box wall. In addition, the sewage discharge system of the compression box is easily clogged by garbage, resulting in poor drainage effect. Summary of the Invention

[0003] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a dry-wet separation transmission device for an underground garbage disposal system that can effectively separate sewage from garbage.

[0004] To achieve the above-mentioned and other related objectives, the present invention provides a dry-wet separation and transmission device for an underground garbage disposal system, comprising:

[0005] Ground platform;

[0006] A compression box is located below the ground platform, and a material receiving port is provided at the upper end of the compression box;

[0007] A transition bin is located between the ground platform and the compression box, the upper end of the transition bin is provided with a feeding port that passes through to the surface of the ground platform, a discharge port is provided on one side wall of the transition bin, a movable door is provided at the discharge port, the discharge port is located above the receiving port, a pushing head is provided on the side wall of the transition bin opposite to the discharge port, the pushing head is movably arranged in the horizontal direction, a filter plate is provided on the bottom wall of the transition bin, and a sewage pipe is provided below the filter plate;

[0008] A gate is installed at the feeding port, and the gate is movably connected to the ground platform so that the gate can open or close the feeding port. A pressure plate is provided at the lower end of the gate, and the pressure plate is movably connected to the gate along the normal direction of the gate so that when the gate is closed, the pressure plate can squeeze the garbage stored in the transition bin in the vertical direction.

[0009] In an optional embodiment of the present invention, a locking device is provided between the movable door and the side wall of the transition bin, and the locking device is configured to keep the movable door in a closed state when the pressure plate moves downward, and to release the movable door from the closed state when the pressure plate moves upward.

[0010] In an optional embodiment of the present invention, a scissor-type lifting mechanism is provided between the pressure plate and the gate plate, and the scissor-type lifting mechanism includes a first connecting rod and a second connecting rod, the first end of the first connecting rod is hinged to the gate plate, the second end of the first connecting rod is slidingly hinged to the pressure plate, the first end of the second connecting rod is slidingly hinged to the gate plate, the second end of the second connecting rod is hinged to the pressure plate, and the middle parts of the first connecting rod and the second connecting rod are hinged to each other.

[0011] In an optional embodiment of the present invention, a drive frame that reciprocates in the horizontal direction is provided between the ground platform and the compression box body, and a bolt is provided on the drive frame. When the gate plate is closed, the bolt can be inserted between the gate plate and the pressure plate, and push the first end of the second connecting rod to drive the pressure plate downward; a first compression spring is provided between the first end of the second connecting rod and the gate plate.

[0012] In an optional embodiment of the present invention, the movable door is hinged to the upper edge of the discharge port, and the locking device includes locking tongues arranged on both sides of the discharge port, and the locking tongues are slidably connected to the outer wall of the transition bin in the horizontal direction. A second compression spring is provided between the locking tongue and the outer wall of the transition bin, and the elastic force of the second compression spring can drive the locking tongue away from the movable door. A first wedge block is provided on the locking tongue, and a second wedge block is provided on the driving frame. When the driving frame drives the bolt to be inserted between the gate plate and the pressure plate, the second wedge block can squeeze the first wedge block so that the locking tongue blocks the outside of the movable door.

[0013] In an optional embodiment of the present invention, a first linkage mechanism is provided between the driving frame and the pushing head, and the first linkage mechanism is assembled so that when the driving frame drives the bolt to be withdrawn from between the gate plate and the pressure plate, the driving frame can drive the pushing head to move toward the discharge port through the first linkage mechanism to push the material in the transition bin to be discharged from the discharge port.

[0014] In an optional embodiment of the present invention, the first linkage mechanism includes a retaining wall fixed to the driving frame, the retaining wall is in contact with an end of the pushing head away from the transition bin, and a third compression spring is provided between the pushing head and the side wall of the transition bin.

[0015] In an optional embodiment of the present invention, a second linkage mechanism is provided between the drive frame and the gate plate, and the second linkage mechanism is assembled so that before the drive frame drives the bolt to be inserted into the gate plate, the drive frame can drive the gate plate to switch from an open state to a closed state through the second linkage mechanism, and after the drive frame drives the bolt to be withdrawn from the gate plate, the drive frame can drive the gate plate to switch from a closed state to an open state through the second linkage mechanism.

[0016] In an optional embodiment of the present invention, the gate plate is hinged to the ground platform, the second linkage mechanism includes a cantilever arranged on the gate plate, a guide wheel is provided on the cantilever, the second linkage mechanism also includes a roller arranged on the drive frame, the guide wheel and the roller are in rolling cooperation, a stop block is provided at the end of the roller, and a groove is provided at the junction of the roller and the stop block.

[0017] In an optional embodiment of the present invention, the driving frame is driven by a horizontally arranged hydraulic cylinder.

[0018] The technical effect of the present invention is that the dry-wet separation transmission device of the underground garbage disposal system provided by the present invention can compress the garbage before it enters the compression box, and separate the sewage and garbage, thereby reducing the water content of the garbage when it enters the compression box, and avoiding sewage overflow when the compression box compresses the garbage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a perspective view of a dry-wet separation and transmission device of an underground garbage disposal system provided by an embodiment of the present invention;

[0020] Figure 2 2. It is a top view of a dry-wet separation transmission device of an underground garbage disposal system provided by an embodiment of the present invention;

[0021] Figure 3 yes Figure 2 AA partial cross-sectional view;

[0022] Figure 4 This is a partial perspective view of a dry-wet separation transmission device of an underground garbage disposal system provided by an embodiment of the present invention;

[0023] Figure 5is a partial perspective view of another state of the dry-wet separation transmission device of the underground garbage disposal system provided by an embodiment of the present invention;

[0024] Figure 6 is an exploded view of a gate and its accessories provided by an embodiment of the present invention;

[0025] Figure 7 It is a three-dimensional diagram of a transition chamber provided by an embodiment of the present invention and a partially enlarged diagram thereof;

[0026] Figure 8 It is a three-dimensional diagram of a driving frame provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0027] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0028] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component may be changed arbitrarily, and the component layout may also be more complex.

[0029] See also Figure 1-8 As shown, the dry-wet separation transmission device of the underground garbage disposal system provided by the present invention can compress the garbage before it enters the compression box 20, and separate the sewage and the garbage, thereby reducing the water content of the garbage when it enters the compression box 20, and avoiding the overflow of sewage when the compression box 20 compresses the garbage. The principle of the present invention is that in actual application scenarios, the volume of garbage put into the compression box 20 each time is relatively small, so the present invention uses a smaller transition chamber 30 to pre-compress the garbage put in each time, and can keep the garbage put in the previous time in a compressed state before the next garbage is put in, ensuring that the sewage in the garbage can be fully drained out. When the garbage is put in the next time, the transmission device of the present invention can automatically transfer the garbage that has been drained of water from the previous time to the compression box 20, so as to make temporary storage space for the new garbage. The present invention can effectively reduce the water content of the garbage when it enters the compression box 20, avoid the accumulation of sewage in the compression box 20, improve the internal environment of the compression box 20, and increase the service life of the underground garbage disposal system.

[0030] See also Figure 1-8 As shown, the dry-wet separation transmission device of the underground garbage disposal system provided by the present invention includes a ground platform 10, a compression box 20, a transition chamber 30 and a gate 40: the compression box 20 is located below the ground platform 10, and the upper end of the compression box 20 is provided with a material receiving port 21; the transition chamber 30 is located between the ground platform 10 and the compression box 20, and the upper end of the transition chamber 30 is provided with a feeding port that passes through the surface of the ground platform 10, and a discharge port is provided on one side wall of the transition chamber 30, and a movable door 31 is provided at the discharge port, and the discharge port is located above the receiving port 21, opposite to the discharge port. A pushing head 33 is provided on the side wall of the transition bin 30, and the pushing head 33 is movably arranged in the horizontal direction. A filter plate 32 is provided on the bottom wall of the transition bin 30, and a sewage pipe 34 is provided below the filter plate 32; the gate plate 40 is installed at the feeding port, and the gate plate 40 is movably connected to the ground platform 10 so that the gate plate 40 can open or close the feeding port, and a pressure plate 41 is provided at the lower end of the gate plate 40, and the pressure plate 41 is movably connected to the gate plate 40 along the normal direction of the gate plate 40, so that when the gate plate 40 is closed, the pressure plate 41 can squeeze the garbage stored in the transition bin 30 in the vertical direction.

[0031] See also Figure 3 、 7 As shown, in a specific embodiment, a locking device is provided between the movable door 31 and the side wall of the transition chamber 30, and the locking device is assembled so that when the pressure plate 41 moves downward, the locking device can keep the movable door 31 in a closed state, and when the pressure plate 41 moves upward, the locking device can release the movable door 31 from the closed state.

[0032] See also Figure 6 As shown, in a specific embodiment, a scissor-type lifting mechanism 42 is provided between the pressure plate 41 and the gate plate 40, and the scissor-type lifting mechanism 42 includes a first connecting rod 421 and a second connecting rod 422, the first end of the first connecting rod 421 is hinged to the gate plate 40, the second end of the first connecting rod 421 is slidingly hinged to the pressure plate 41, the first end of the second connecting rod 422 is slidingly hinged to the gate plate 40, the second end of the second connecting rod 422 is hinged to the pressure plate 41, and the middle parts of the first connecting rod 421 and the second connecting rod 422 are hinged to each other.

[0033] See also Figure 3-5As shown, in a specific embodiment, a drive frame 50 that reciprocates in the horizontal direction is provided between the ground platform 10 and the compression box 20, and a bolt 51 is provided on the drive frame 50. When the gate 40 is closed, the bolt 51 can be inserted between the gate 40 and the pressure plate 41, and push the first end of the second connecting rod 422 to drive the pressure plate 41 downward; a first compression spring 423 is provided between the first end of the second connecting rod 422 and the gate 40.

[0034] See also Figure 7 、 8 As shown, in a specific embodiment, the movable door 31 is hinged to the upper edge of the discharge port, and the locking device includes locking tongues 36 arranged on both sides of the discharge port, and the locking tongues 36 are slidably connected to the outer wall of the transition bin 30 in the horizontal direction. A second compression spring 37 is provided between the locking tongue 36 and the outer wall of the transition bin 30, and the elastic force of the second compression spring 37 can drive the locking tongue 36 away from the movable door 31, and a first wedge block 361 is provided on the locking tongue 36, and a second wedge block 57 is provided on the driving frame 50. When the driving frame 50 drives the bolt 51 to be inserted between the gate plate 40 and the pressure plate 41, the second wedge block 57 can squeeze the first wedge block 361 so that the locking tongue 36 blocks the outside of the movable door 31.

[0035] See also Figure 4 、 5 As shown in Figures 8 and 9, in a specific embodiment, a first linkage mechanism is provided between the drive frame 50 and the pusher head 33. The first linkage mechanism is configured so that when the drive frame 50 drives the bolt 51 to be withdrawn from between the gate plate 40 and the pressure plate 41, the drive frame 50 can drive the pusher head 33 to move toward the discharge port through the first linkage mechanism to push the material in the transition bin 30 to be discharged from the discharge port. Specifically, the first linkage mechanism includes a retaining wall 53 fixed to the drive frame 50, the retaining wall 53 being in contact with an end of the pusher head 33 away from the transition bin 30, and a third compression spring 35 is provided between the pusher head 33 and the side wall of the transition bin 30.

[0036] See also Figure 4 、 5As shown in Figures 8 and 9, in a specific embodiment, a second linkage mechanism is provided between the drive frame 50 and the gate plate 40. The second linkage mechanism is configured such that before the drive frame 50 drives the bolt 51 to be inserted into the gate plate 40, the drive frame 50 can drive the gate plate 40 to switch from an open state to a closed state through the second linkage mechanism. Furthermore, after the drive frame 50 drives the bolt 51 to be withdrawn from the gate plate 40, the drive frame 50 can drive the gate plate 40 to switch from a closed state to an open state through the second linkage mechanism. Specifically, the gate plate 40 is hinged to the ground platform 10. The second linkage mechanism includes a cantilever 43 provided on the gate plate 40, a guide wheel 44 provided on the cantilever 43, and a roller 54 provided on the drive frame 50. The guide wheel 44 and the roller 54 are in rolling engagement. A stopper 55 is provided at the end of the roller 54, and a groove 56 is provided at the junction of the roller 54 and the stopper 55. In a specific embodiment, the driving frame 50 is driven by a horizontally arranged hydraulic cylinder 52 .

[0037] The specific working process and principle of the present invention are as follows:

[0038] When garbage needs to be put in, first drive the gate 40 to the open state, such as Figure 4 As shown, at this time, the push head 33 is brought to the left position by the driving frame 50, and the movable door 31 is pushed open by the push head 33. After the garbage is put into the transition bin 30, the driving frame 50 moves to the right. At this time, the gate 40 is closed first. At the same time, the push head 33 moves to the right under the action of the compression spring, and the movable door 31 is closed. When the driving frame 50 moves to Figure 3 、 5When the driving frame 50 continues to move right, the second wedge 57 squeezes the first wedge 361, causing the lock tongue 36 to move to the outside of the movable door 31 to prevent the movable door 31 from opening. At the same time, the bolt 51 begins to squeeze the crossbeam at the end of the second connecting rod 422, causing the scissor lift mechanism 42 to gradually expand in the vertical direction. At this time, the pressure plate 41 moves downward and squeezes the garbage in the transition bin 30. The sewage in the garbage seeps out from the filter plate 32 at the bottom and enters the sewage pipe. The driving frame 50 stops when it moves to the right to the limit position. At this time, as long as there is no new garbage to be put in, the transition bin 30 The garbage in the transition bin 30 will always be in a compressed state, and the sewage in the garbage has ample time to seep out. When new garbage needs to be put in, the driving frame 50 moves to the left. First, the scissor lift mechanism 42 is reset under the action of the compression spring, the pressure plate 41 moves upward, and then the bolt 51 is pulled out from the gate 40. At the same time, the second wedge 57 is separated from the first wedge 361, the locking device is unlocked, and then the driving frame 50 continues to move to the left. At this time, the driving frame 50 can drive the pushing head 33 to move synchronously to the left, and then push the garbage in the transition bin 30 out of the discharge port, and the garbage falls into the compression box 20. When the driving frame 50 moves to the left limit position, the driving frame 50 drives the gate 40 to open. At this time, since the garbage in the transition bin 30 has been discharged, garbage can be put into the transition bin 30 again. At this point, the entire garbage input, pre-compression and discharge process is completed.

[0039] The present invention uses a relatively small transition chamber 30 to pre-compress each incoming garbage. It also maintains the previously added garbage in a compressed state before the next addition, ensuring that wastewater in the garbage is fully drained. When the next garbage is added, the transfer device automatically transfers the previously drained garbage into the compression chamber 20, freeing up temporary storage space for the new garbage. The present invention effectively reduces the water content of garbage entering the compression chamber 20, preventing wastewater from accumulating within the chamber, improving the internal environment of the compression chamber 20, and increasing the service life of the underground garbage disposal system.

[0040] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

[0041] In the description herein, numerous specific details, such as examples of components and / or methods, are provided to provide a complete understanding of the embodiments of the present invention. However, those skilled in the art will recognize that embodiments of the present invention may be practiced without one or more of the specific details or with other devices, systems, assemblies, methods, components, materials, parts, etc. In other cases, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of the embodiments of the present invention.

[0042] Reference throughout this specification to "one embodiment," "an embodiment," or "a specific embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention, and not necessarily in all embodiments. Thus, various appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in different places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the invention may be combined with one or more other embodiments in any suitable manner. It should be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are considered part of the spirit and scope of the invention.

[0043] It should also be understood that one or more of the elements shown in the figures may also be implemented in a more separate or more integrated manner, or even removed because they are inoperable in certain circumstances or provided because they may be useful depending on the application.

[0044] In addition, unless otherwise expressly indicated, any marking arrows in the drawings should be regarded as illustrative only and not limiting. Furthermore, unless otherwise indicated, the term "or" as used herein is generally intended to mean "and / or." Where a term is unclear in providing separation or combination capabilities, the combination of components or steps will also be considered as indicated.

[0045] As used in the description herein and throughout the claims that follow, “a,” “an,” and “the” include plural references unless otherwise indicated. Likewise, as used in the description herein and throughout the claims that follow, the meaning of “in” includes “in” and “on” unless otherwise indicated.

[0046] The above description of the illustrated embodiments of the present invention (including that described in the Abstract) is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. Although specific embodiments of the present invention and examples of the present invention are described herein for illustrative purposes only, as those skilled in the art will recognize and appreciate, various equivalent modifications are possible within the spirit and scope of the present invention. As noted, modifications may be made to the present invention in light of the above description of the illustrated embodiments of the present invention, and such modifications will be within the spirit and scope of the present invention.

[0047] Systems and methods have been generally described herein in detail to facilitate understanding of the present invention. In addition, various specific details have been given to provide an overall understanding of embodiments of the present invention. However, those skilled in the relevant art will recognize that embodiments of the present invention may be practiced without one or more of these specific details, or with other devices, systems, accessories, methods, components, materials, parts, etc. In other cases, well-known structures, materials, and / or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.

[0048] Thus, although the invention has been described herein with reference to specific embodiments thereof, freedom of modification, various changes and substitutions are contemplated within the foregoing disclosure, and it should be understood that in some cases, some features of the invention will be employed without the corresponding use of other features without departing from the scope and spirit of the claimed invention. Thus, many modifications may be made to adapt a particular environment or material to the true scope and spirit of the invention. The invention is not intended to be limited to the specific terminology used in the claims below and / or to the specific embodiments disclosed as the best mode contemplated for carrying out the invention, but the invention is intended to include any and all embodiments and equivalents falling within the scope of the appended claims. Thus, the scope of the invention will be determined solely by the appended claims.

Claims

1. A dry-wet separation transmission device for an underground garbage disposal system, characterized in that: include: Ground platform; A compression box is located below the ground platform, and a material receiving port is provided at the upper end of the compression box; A transition bin is located between the ground platform and the compression box, the upper end of the transition bin is provided with a feeding port that passes through to the surface of the ground platform, a discharge port is provided on one side wall of the transition bin, a movable door is provided at the discharge port, the discharge port is located above the receiving port, a pushing head is provided on the side wall of the transition bin opposite to the discharge port, the pushing head is movably arranged in the horizontal direction, a filter plate is provided on the bottom wall of the transition bin, and a sewage pipe is provided below the filter plate; A gate is installed at the feeding port, the gate is movably connected to the ground platform so that the gate can open or close the feeding port, and a pressure plate is provided at the lower end of the gate, the pressure plate is movably connected to the gate along the normal direction of the gate, so that when the gate is closed, the pressure plate can squeeze the garbage stored in the transition bin in the vertical direction; A locking device is provided between the movable door and the side wall of the transition chamber, and the locking device is configured to keep the movable door in a closed state when the pressure plate moves downward, and to release the movable door from the closed state when the pressure plate moves upward; A scissor-type lifting mechanism is provided between the pressure plate and the gate plate, the scissor-type lifting mechanism comprising a first connecting rod and a second connecting rod, wherein the first end of the first connecting rod is hinged to the gate plate, the second end of the first connecting rod is slidably hinged to the pressure plate, the first end of the second connecting rod is slidably hinged to the gate plate, the second end of the second connecting rod is hinged to the pressure plate, and the middle parts of the first connecting rod and the second connecting rod are hinged to each other; A drive frame that reciprocates in the horizontal direction is provided between the ground platform and the compression box body, and a bolt is provided on the drive frame. When the gate is closed, the bolt can be inserted between the gate and the pressure plate and push the first end of the second connecting rod to drive the pressure plate downward; a first compression spring is provided between the first end of the second connecting rod and the gate; The movable door is hinged to the upper edge of the discharge port, and the locking device includes locking tongues arranged on both sides of the discharge port, and the locking tongues are slidably connected to the outer wall of the transition bin in the horizontal direction. A second compression spring is provided between the locking tongue and the outer wall of the transition bin, and the elastic force of the second compression spring can drive the locking tongue away from the movable door. A first wedge is provided on the locking tongue, and a second wedge is provided on the driving frame. When the driving frame drives the bolt to be inserted between the gate plate and the pressure plate, the second wedge can squeeze the first wedge so that the locking tongue blocks the outside of the movable door.

2. The dry-wet separation transmission device of the underground garbage disposal system according to claim 1 is characterized in that: A first linkage mechanism is provided between the driving frame and the pushing head, and the first linkage mechanism is assembled so that when the driving frame drives the bolt to be withdrawn from between the gate plate and the pressure plate, the driving frame can drive the pushing head to move toward the discharge port through the first linkage mechanism to push the material in the transition bin to be discharged from the discharge port.

3. The dry-wet separation transmission device of the underground garbage disposal system according to claim 2 is characterized in that: The first linkage mechanism includes a retaining wall fixed to the driving frame, the retaining wall is in contact with an end of the pushing head away from the transition bin, and a third compression spring is provided between the pushing head and the side wall of the transition bin.

4. The dry-wet separation transmission device of the underground garbage disposal system according to claim 1, characterized in that: A second linkage mechanism is provided between the drive frame and the gate plate, and the second linkage mechanism is assembled so that before the drive frame drives the bolt to be inserted into the gate plate, the drive frame can drive the gate plate to switch from the open state to the closed state through the second linkage mechanism, and after the drive frame drives the bolt to be withdrawn from the gate plate, the drive frame can drive the gate plate to switch from the closed state to the open state through the second linkage mechanism.

5. The dry-wet separation transmission device of the underground garbage disposal system according to claim 4 is characterized in that: The gate plate is hinged to the ground platform, the second linkage mechanism includes a cantilever arranged on the gate plate, a guide wheel is provided on the cantilever, the second linkage mechanism also includes a roller arranged on the drive frame, the guide wheel and the roller are in rolling cooperation, a stop block is provided at the end of the roller, and a groove is provided at the junction of the roller and the stop block.

6. The dry-wet separation transmission device of the underground garbage disposal system according to claim 1, characterized in that: The driving frame is driven by a horizontally arranged hydraulic cylinder.

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