Leveling and compacting device

Abstract

The utility model provides a leveling and compacting device, which comprises a frame body, a leveling and compacting device, a driving device and a driving device, the material pressing assembly is arranged on the frame body, the material pressing assembly comprises a material pressing part, the material pressing assembly has a downward pressing state and an avoiding state which are arranged relative to the channel, and when the material pressing assembly is in the downward pressing state, the material pressing part can be close to the compartment to extrude materials in the compartment; when the material pressing assembly is in the avoiding state, the material pressing part can avoid the channel; and the alarm system is arranged on the frame body and is used for detecting the articles entering the channel and carrying out alarm operation. By means of the technical scheme, the problems that in the prior art, in the loading process of a leveling and compacting device, components fall off and are prone to injuring people, and potential safety hazards are large can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway alarm devices, and more specifically, to a leveling and compaction device. Background Art

[0002] At present, the "leveling and compaction" device at the loading station of the coal preparation center is an important link in the train loading process. It can compact and level the uneven coal in the carriage to prevent coal from being scattered along the road during transportation and reduce environmental pollution.

[0003] In the prior art, due to the influence of pressure roller wear, assembly, etc., when people pass by the device, they are easily injured by the objects falling off the device, which poses a great safety hazard. Summary of the Utility Model

[0004] The utility model provides a leveling and compaction device to solve the problem that in the prior art, components of the leveling and compaction device are likely to fall off and injure people during the loading process, resulting in a relatively large safety hazard.

[0005] The utility model provides a leveling and compaction device, which includes: a frame body having a passage for a carriage to pass through; a material pressing assembly arranged on the frame body, the material pressing assembly includes a material pressing part, and the material pressing assembly has a downward pressing state and an avoidance state relative to the passage. When the material pressing assembly is in the downward pressing state, the material pressing part can approach the carriage to extrude the material in the carriage; when the material pressing assembly is in the avoidance state, the material pressing part can avoid the passage; an alarm system arranged on the frame body, and the alarm system is used to detect the items entering the passage and perform an alarm operation.

[0006] Furthermore, the leveling and compaction device further includes a driving member located at the top of the frame body. The driving member has a driving end, and the driving end is drivingly connected to the material pressing part. The driving end drives the material pressing part to approach or move away from the carriage, so that the material pressing part switches between the downward pressing state and the avoidance state.

[0007] Furthermore, the material pressing assembly includes a material pressing roller and a rotating rod. One end of the rotating rod is rotatably arranged on the frame body, and the driving member is drivingly connected to the rotating rod to drive the rotating rod to rotate. The other end of the rotating rod is connected to the material pressing roller, and the material pressing roller forms the material pressing part.

[0008] Furthermore, the material pressing roller includes a body and a plurality of extrusion segments. The plurality of extrusion segments are axially spaced and sleeved on the outer periphery of the body. An accommodation space is formed between adjacent extrusion segments, and the accommodation space is used to place the material to be extruded.

[0009] Furthermore, the leveling and compaction device further includes a transmission assembly located between the driving member and the material pressing assembly. The transmission assembly is drivingly connected to the driving end, and the driving member drives the material pressing assembly to switch between the downward pressing state and the avoidance state through the transmission assembly.

[0010] Further, the transmission assembly includes a towing rope and a fixed pulley. The fixed pulley is arranged on the rotating rod. One end of the towing rope is wound around the output end of the driving member, and the other end of the towing rope bypasses the fixed pulley and is fixedly connected to the rotating rod.

[0011] Further, there are two rotating rods, and the two rotating rods are arranged in parallel. Rotating shafts are respectively arranged at both ends of the material pressing roller, and the material pressing roller is rotatably arranged between the two rotating rods through the rotating shafts.

[0012] Further, the frame body includes a top plate, a plurality of longitudinal beams and a plurality of cross beams. The plurality of longitudinal beams are arranged at intervals along the periphery of the top plate. The plurality of cross beams are arranged between two adjacent longitudinal beams. The plurality of longitudinal beams and the plurality of cross beams cooperate to form a channel. The material pressing assembly is located in the channel, and the driving member is arranged on the top plate.

[0013] Further, the alarm system includes a photovoltaic module, a first alarm component and a detection component. The photovoltaic module is arranged on the top of the frame body. The first alarm component and the detection component are arranged at the bottom of the frame body. The photovoltaic module is electrically connected to the first alarm component and the detection component. The photovoltaic module is used to supply electrical energy to the first alarm component and the detection component. The first alarm component and the detection component are electrically connected. The first alarm component is used to monitor whether a carriage passes through the channel, and the detection component is used to detect whether an obstacle enters the channel.

[0014] Further, an infrared induction module and a warning module are arranged in the first alarm component. The infrared induction module and the warning module are electrically connected. The infrared induction module is used to sense whether a carriage passes through the channel, and the warning module is used to prompt the staff that an obstacle has entered the channel.

[0015] Further, the detection component includes a reflector and an opposed trigger lens. A radar transmitter and a radar sensor are arranged in the opposed trigger lens. The reflector is used to reflect the microwave emitted by the radar transmitter, and the radar sensor is used to receive the microwave reflected by the reflector. The reflector and the opposed trigger lens cooperate to detect whether an obstacle enters the channel.

[0016] By applying the technical solution of the utility model, when the carriage passes through the passage in the frame, the material pressing assembly can switch between a downward pressing state and an avoidance state. When the carriage enters the passage, the material pressing assembly is in a downward pressing state, and the material pressing part can approach the carriage to squeeze the material in the carriage. After the material pressing is completed, the material pressing assembly switches to an avoidance state. When the next carriage enters the passage, the material pressing assembly switches from the avoidance state to a downward pressing state to squeeze the material in the next carriage. The alarm system can detect objects entering the passage and perform an alarm operation to avoid safety accidents caused by obstacles or people approaching the passage when the carriage passes through the passage and being hit by objects dropped by the leveling and compacting device. The alarm system is integrated on the frame, which reduces the spatial volume of the alarm system, reduces the possibility of interference between the alarm system and other devices or personnel at the loading station, and improves the safety and applicability of the leveling and compacting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A front view of the leveling and compacting device provided by the utility model is shown;

[0019] Figure 2 A side view of the leveling and compacting device provided by the utility model is shown;

[0020] Figure 3 The structure of the first alarm component provided by the utility model is shown;

[0021] Figure 4 The figure shows the internal module schematic diagram of the first alarm component provided by the utility model.

[0022] The above drawings include the following reference numerals:

[0023] 10. Frame; 101. Passageway;

[0024] 11. Top plate; 12. Longitudinal beam; 13. Cross beam;

[0025] 20. Pressing component;

[0026] 21. Pressing roller; 211. Main body;

[0027] 212, extrusion section; 213, accommodation space;

[0028] 22. Rotating rod; 221. Fixed seat;

[0029] 31. Photovoltaic modules;

[0030] 32. First alarm component; 321. Infrared induction module;

[0031] 322. Voice generator; 323. Alarm strobe light;

[0032] 324. Battery; 325. Main control board; 326. Strobe module; 327. Sound generation module;

[0033] 331. Reflector; 332. Opposite shooting trigger lens;

[0034] 40. Driving part;

[0035] 51. Towing rope;

[0036] 52. Fixed pulley. Specific embodiments

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way limits the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0038] As Figures 1 to 4 shown, the embodiment of the present invention provides a leveling and compaction device, which includes a frame 10, a material pressing component 20 and an alarm system. Among them, the frame 10 has a channel for the carriage to pass through. The material pressing component 20 is arranged on the frame 10. The material pressing component 20 includes a material pressing part. The material pressing component 20 has a downward pressing state and an avoidance state relative to the channel. When the material pressing component 20 is in the downward pressing state, the material pressing part can approach the carriage to extrude the materials in the carriage. When the material pressing component 20 is in the avoidance state, the material pressing part can avoid the channel. The alarm system is arranged on the frame 10 and is used to detect the items entering the channel and perform alarm operations.

[0039] By applying the technical solution of the utility model, when the carriage passes through the channel 101 in the frame 10, the material pressing assembly 20 can switch between the downward pressing state and the avoidance state. When the carriage enters the channel 101, the material pressing assembly 20 is in the downward pressing state, and the material pressing part can approach the carriage to squeeze the material in the carriage. After the material pressing is completed, the material pressing assembly 20 switches to the avoidance state. When the next carriage enters the channel 101, the material pressing assembly 20 switches from the avoidance state to the downward pressing state to squeeze the material in the next carriage. The alarm system can detect the objects entering the channel and perform an alarm operation to avoid accidents caused by obstacles or people approaching the channel 101 when the carriage passes through the channel 101 and being hit by objects dropped by the leveling and compacting device. In addition, the alarm system is integrated on the frame, which reduces the spatial volume of the alarm system, reduces the possibility of interference between the alarm system and other devices or personnel at the loading station, and improves the safety and applicability of the leveling and compacting device.

[0040] In this embodiment, the specific structure of the material pressing part is not limited, and it can be a flat structure, a cylindrical structure, or a combination of multiple component structures, as long as it can flatten and compact the materials in the carriage.

[0041] The leveling and compacting device further includes a driving member 40, which is located at the top of the frame 10. The driving member 40 has a driving end, which is connected to the material pressing part, and the driving end drives the material pressing part to move closer to or away from the carriage, so that the material pressing part switches between a downward pressing state and an evasive state. Through the above arrangement, the driving member 40 can improve the speed and accuracy of the material pressing assembly 20, which simplifies the operation process of the staff compared to manual drive and improves the convenience of using the leveling and compacting device.

[0042] Specifically, the driving member 40 can drive the pressing part to move closer to or away from the car body through other components such as a telescopic structure, a swinging structure or a lifting structure. In this embodiment, the driving method of the driving member 40 is not limited, as long as it can drive the pressing part to switch between the downward pressing state and the avoidance state.

[0043] like Figure 1 and 2As shown, the pressing assembly 20 includes a pressing roller 21 and a rotating rod 22, one end of the rotating rod 22 is rotatably arranged on the frame 10, the driving member 40 is drivingly connected to the rotating rod 22 to drive the rotating rod 22 to rotate, and the other end of the rotating rod 22 is connected to the pressing roller 21, and the pressing roller 21 forms a pressing portion. The above-mentioned driving method is simple, the driving method is direct, and the driving speed is fast, thereby improving the efficiency of the pressing assembly 20 switching between the pressing state and the avoiding state. At the same time, such a setting is not easy to interfere with other components or carriages. The structure of the pressing assembly 20 set in this way is simple, convenient to install and replace, and the subsequent maintenance cost is low. The length of the pressing roller 21 is less than the width of the carriage, so that it is convenient for the pressing roller 21 to enter the interior of the carriage to extrude the material.

[0044] like Figure 1 As shown, the press roller 21 includes a body 211 and a plurality of extrusion sections 212, and the plurality of extrusion sections 212 are sleeved on the outer periphery of the body 211 at intervals along the axial direction, and a receiving space 213 is formed between adjacent extrusion sections 212, and the receiving space 213 is used to place the extruded material. In this way, the press roller 21 can extrude the material through the extrusion sections 212, and part of the extruded material can enter the receiving space 213. As the press roller 21 is pressed downward, the material in the receiving space 213 can also be compacted, so that the possibility of the press roller 21 taking the material in the carriage out of the carriage can be further reduced, thereby ensuring the transportation volume of the material in the carriage.

[0045] The body 211 and the extrusion sections 212 are integrally formed, which not only simplifies processing and saves manufacturing costs, but also ensures the overall strength of the pressing roller 21, as well as the consistency and synchronization of the rotation of the body 211 and the plurality of extrusion sections 212, thereby avoiding relative rotation between the extrusion sections 212 and the body 211 when the material is extruded, thereby ensuring the compaction effect of the material.

[0046] In this solution, there is no limitation on the number of extrusion segments 212 , and 2, 3, or 5 extrusion segments 212 may be provided. In this embodiment, three extrusion segments 212 are provided on the main body 211 .

[0047] Specifically, the leveling and compacting device further includes a transmission assembly, which is located between the driving member 40 and the pressing assembly 20, and is drivingly connected to the driving end. The driving member 40 drives the pressing assembly 20 to switch between the pressing state and the avoiding state through the transmission assembly. The transmission direction of the force can be changed through the transmission assembly, which can improve the flexibility of the position setting of the driving member 40 and the pressing assembly 20.

[0048] In this embodiment, the specific form of the transmission assembly is not limited, and it can be set to a structure such as a conveyor belt, a worm gear assembly, or a rack and pinion assembly, as long as the driving force of the driving member 40 can be transmitted to the pressing assembly 20, so that the pressing assembly 20 can switch between the downward pressing state and the avoidance state.

[0049] like Figure 2 As shown, the transmission assembly includes a traction rope 51 and a fixed pulley 52, the fixed pulley 52 is arranged on the rotating rod 22, one end of the traction rope 51 is wound around the output end of the driving member 40, and the other end of the traction rope 51 is wound around the fixed pulley 52 and fixedly connected to the rotating rod 22. Through the cooperation of the traction rope 51 and the fixed pulley 52, the direction of force is changed, and the driving member 40 drives the rotating rod 22. The above design has a simple structure, is easy to disassemble and control, and further simplifies the compaction operation of the material.

[0050] A fixing seat 221 is provided on the rotating rod 22, and the other end of the traction rope 51 is fixedly connected to the rotating rod 22 through the fixing seat. In this embodiment, the fixing seat 221 is provided in the middle of the rotating rod 22. Compared with the fixing seat 221 being provided at an end away from the nip roller 21, the solution of the present application can increase the length of the force arm, so that when the driving end provides the same force, it can provide a greater torque, and the rotating rod 22 can be rotated more effectively.

[0051] Specifically, the driving member 40 is a winch, a motor and a control mechanism, and the winch, the motor and the control mechanism are electrically connected. One end of the traction rope 51 is wound around the rotating shaft of the winch, and the control mechanism controls the rotation of the rotating shaft of the winch, thereby controlling the retraction and extension of the traction rope 51 to drive the rotating rod 22. Optionally, in the present application, the retraction and extension of the traction rope 51 can also be controlled by manually rotating the winch.

[0052] like Figure 1 and Figure 2 As shown, there are two rotating rods 22, which are arranged in parallel, and rotating shafts are respectively arranged at both ends of the pressing roller 21, and the pressing roller 21 is rotatably arranged between the two rotating rods 22 through the rotating shaft. In this way, when the carriage passes through the channel 101, the pressing roller 21 will rotate when it contacts the material in the carriage. Compared with the pressing part that cannot rotate, the pressing roller 21 will not cause excessive scratches and displacement to the material when it rotates, ensuring the flatness of the material, avoiding the material in the carriage from being ejected from the carriage and affecting the transportation of the material, and at the same time improving the leveling and compacting effect of the leveling and compacting device on the material. Among them, two sets of driving members 40 and traction ropes 51 are also correspondingly arranged.

[0053] In some other embodiments of the present application, the nip roller 21 may also be fixedly connected to the rotating rod 22. This simplifies the processing and saves costs.

[0054] likeFigure 2 As shown in the figure, the frame body 10 includes a top plate 11, a plurality of longitudinal beams 12 and a plurality of cross beams 13. The plurality of longitudinal beams 12 are arranged at intervals along the periphery of the top plate 11. The plurality of cross beams 13 are arranged between two adjacent longitudinal beams 12. The plurality of longitudinal beams 12 and the plurality of cross beams 13 cooperate to form a passage, which is convenient for the surrounding staff to observe the working conditions of the components inside the passage 101, and improves the visibility of the leveling and compaction device during operation. The material pressing component 20 is located inside the passage, so that the overall volume of the compaction and leveling device can be reduced, and interference with surrounding equipment can be avoided. The driving member 40 is arranged on the top plate 11, so that the driving member 40 is located above the material pressing component 20, which is convenient for driving the material pressing component 20.

[0055] One end of the rotating rod 22 far away from the material pressing roller 21 is rotatably connected to one of the cross beams 13 located inside the passage 101 through a rotating shaft. A base is also arranged at the bottom of the longitudinal beam 12, which is convenient for fixing the position of the frame body and ensuring the stability of the device during operation.

[0056] As Figures 1 to 4 shown in the figure, the alarm system includes a photovoltaic component 31, a first alarm component 32 and a detection component. The photovoltaic component 31 is arranged on the top of the frame body 10. The first alarm component 32 and the detection component are arranged at the bottom of the frame body 10. The photovoltaic component 31 is electrically connected to the first alarm component 32 and the detection component. The photovoltaic component 31 is used to provide electrical energy for the first alarm component 32 and the detection component. The first alarm component 32 and the detection component are electrically connected. The first alarm component 32 is used to monitor whether there is a carriage passing through the passage 101, and the detection component is used to detect whether there are obstacles entering the passage 101. Through the above settings, the first alarm component 32 and the detection component cooperate with each other to issue an alarm to prompt the staff when there are obstacles entering the passage 101 during the compaction of the materials in the carriage of the leveling and compaction device.

[0057] Among them, the first alarm component 32 and the detection component are respectively arranged at the bottoms of different longitudinal beams 12. This is convenient for detecting smaller obstacles.

[0058] Specifically, the photovoltaic component 31 is a solar panel. The solar panel is electrically connected to the first alarm component 32 and the detection component through cables. When sunlight shines on the solar panel, photons interact with the semiconductor material, causing electrons to transition from the valence band to the conduction band, thereby generating current. This can store energy for the battery for emergencies.

[0059] As Figures 1 to 4As shown, an infrared sensing module 321 and a warning module are provided inside the first warning component 32. The infrared sensing module 321 and the warning module are electrically connected. The infrared sensing module 321 is used to sense whether there is a carriage passing through the channel, and the warning module is used to prompt the staff that an obstacle has entered the channel. Among them, the warning module includes a voice generator 322 and a warning flash lamp 323. Inside the first warning component 32, there are a battery 324, a main control board 325, a stroboscopic module 326, and a sound generation module 327. The battery 324, the main control board 325, the stroboscopic module 326, and the sound generation module 327 are all electrically connected. The stroboscopic module 326 is electrically connected to the warning flash lamp 323, and the sound generation module 327 is electrically connected to the voice generator 322. The photovoltaic module 31 is electrically connected to the battery 324 to provide electrical energy for it. In this way, when the infrared sensing module 321 senses that there is a carriage passing through the channel 101 and the detection component detects that there is an obstacle entering the channel 101, a signal will be transmitted to the main control board 325, thereby triggering the warning flash lamp 323 to flash and the voice generator 322 to issue a voice alarm.

[0060] Among them, the alarm prompt sound synthesized by AI can be implanted into the sound generation module 327, and a 120-decibel large-volume speaker is used for voice alarm. When a person approaches within the range of the "grading and compaction" operation area, a voice alarm of "Persons are prohibited from entering under the grading and compaction device" will be triggered.

[0061] As Figure 1 and Figure 2 As shown, the detection component includes a reflector 331 and an opposed trigger lens 332. A radar transmitter and a radar sensor are provided inside the opposed trigger lens 332. The reflector 331 is used to reflect the microwave emitted by the radar transmitter, and the radar sensor is used to receive the microwave reflected by the reflector 331. The reflector 331 and the opposed trigger lens 332 cooperate to detect whether an obstacle has entered the monitoring range. The above settings can improve the accuracy of obstacle detection. Among them, the sensing distance of the detection component can reach 8 meters, and the sensing range can cover a 120° fan-shaped area. In this way, when a carriage passes through the channel 101 and an obstacle enters the above monitoring range, the alarm system will give an alarm prompt.

[0062] It should be noted that the terms used here are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0063] Unless otherwise specifically stated, the relative arrangements, numerical expressions, and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the description. In all the examples shown and discussed here, any specific values should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0064] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by orientation terms such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom", etc. are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Without contrary statements, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus cannot be construed as limiting the protection scope of the present utility model; the orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0065] For the convenience of description, spatial relative terms such as "above...", "over...", "on the upper surface of...", "above-mentioned", etc. can be used here to describe the spatial positional relationships between a device or feature shown in the drawings and other devices or features. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the drawings for the device. For example, if the device in the drawing is inverted, the device described as "above other devices or structures" or "over other devices or structures" will then be positioned "below other devices or structures" or "under other devices or structures". Thus, the exemplary term "above..." can include both the orientations of "above..." and "below...". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations should be made for the spatial relative descriptions used here.

[0066] In addition, it should be noted that the use of words such as "first", "second", etc. to limit components is only for the convenience of differentiating the corresponding components. Without otherwise stating, the above words have no special meanings, and thus cannot be construed as limiting the protection scope of the present utility model.

[0067] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A leveling and compacting device, characterized in that: The leveling and compacting device comprises: The frame (10) has a passage (101), wherein the passage (101) is used for the carriage to pass through; A material pressing assembly (20) is arranged on the frame (10), the material pressing assembly (20) comprises a material pressing portion, the material pressing assembly (20) has a downward pressing state and an avoidance state arranged relative to the channel (101), when the material pressing assembly (20) is in the downward pressing state, the material pressing portion can approach the carriage to press the material in the carriage; when the material pressing assembly (20) is in the avoidance state, the material pressing portion can avoid the channel (101); An alarm system is arranged on the frame (10), and is used to detect objects entering the passage (101) and perform an alarm operation.

2. The leveling and compacting device according to claim 1, characterized in that: The leveling and compacting device also includes a driving member (40), which is located at the top of the frame (10). The driving member (40) has a driving end, which is drivingly connected to the material pressing part. The driving end drives the material pressing part to move closer to or away from the carriage, so that the material pressing part switches between the downward pressing state and the avoidance state.

3. The leveling and compacting device according to claim 2, characterized in that: The pressing assembly (20) comprises a pressing roller (21) and a rotating rod (22), one end of the rotating rod (22) is rotatably arranged on the frame (10), the driving member (40) is drivingly connected to the rotating rod (22) to drive the rotating rod (22) to rotate, and the other end of the rotating rod (22) is connected to the pressing roller (21), and the pressing roller (21) forms the pressing portion.

4. The leveling and compacting device according to claim 3, characterized in that: The pressing roller (21) comprises a main body (211) and a plurality of extrusion segments (212), wherein the plurality of extrusion segments (212) are axially spaced and sleeved on the outer periphery of the main body (211), and a receiving space (213) is formed between adjacent extrusion segments (212), wherein the receiving space (213) is used to place the extruded material.

5. The leveling and compacting device according to claim 3, characterized in that: The leveling and compacting device also includes a transmission assembly, which is located between the driving member (40) and the pressing assembly (20), and is drivingly connected to the driving end. The driving member (40) drives the pressing assembly (20) to switch between the downward pressing state and the avoidance state through the transmission assembly.

6. The leveling and compacting device according to claim 5, characterized in that: The transmission assembly comprises a traction rope (51) and a fixed pulley (52), wherein the fixed pulley (52) is arranged on the rotating rod (22), one end of the traction rope (51) is wound around the output end of the driving member (40), and the other end of the traction rope (51) is wound around the fixed pulley (52) and fixedly connected to the rotating rod (22).

7. The leveling and compacting device according to claim 4, characterized in that: There are two rotating rods (22), which are arranged in parallel. The two ends of the pressing roller (21) are respectively provided with rotating shafts, and the pressing roller (21) is rotatably arranged between the two rotating rods (22) via the rotating shafts.

8. The leveling and compacting device according to claim 2, characterized in that: The frame (10) comprises a top plate (11), a plurality of longitudinal beams (12) and a plurality of cross beams (13); the plurality of longitudinal beams (12) are arranged at intervals along the periphery of the top plate (11); the plurality of cross beams (13) are arranged between two adjacent longitudinal beams (12); the plurality of longitudinal beams (12) and the plurality of cross beams (13) cooperate to form the channel (101); the pressing assembly (20) is located in the channel (101); and the driving member (40) is arranged on the top plate (11).

9. The leveling and compacting device according to claim 1, characterized in that: The alarm system comprises a photovoltaic component (31), a first alarm component (32) and a detection component (33); the photovoltaic component (31) is arranged at the top of the frame (10); the first alarm component (32) and the detection component are arranged at the bottom of the frame (10); the photovoltaic component (31) is electrically connected to the first alarm component (32) and the detection component; the photovoltaic component (31) is used to provide electric energy to the first alarm component (32) and the detection component; the first alarm component (32) and the detection component are electrically connected; the first alarm component (32) is used to monitor whether the carriage passes through the passage (101); and the detection component is used to detect whether an obstacle enters the passage (101).

10. The leveling and compacting device according to claim 9, characterized in that: The first alarm component (32) is provided with an infrared sensing module (321) and a warning module, the infrared sensing module (321) and the warning module are electrically connected, the infrared sensing module (321) is used to sense whether the carriage passes through the passage (101), and the warning module is used to remind the staff that the obstacle enters the passage (101).

11. The leveling and compacting device according to claim 10, characterized in that: The detection component comprises a reflector (331) and a beam-triggering lens (332), wherein a radar transmitter and a radar sensor are arranged inside the beam-triggering lens (332), the reflector (331) is used to reflect microwaves emitted by the radar transmitter, and the radar sensor is used to receive microwaves reflected by the reflector (331), and the reflector (331) and the beam-triggering lens (332) cooperate to detect whether an obstacle enters the passage (101).

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