CN220982720U - Wood chip sampling device - Google Patents

Abstract

The application relates to the technical field of papermaking and discloses a wood chip sampling device, which comprises a conveying assembly, a supporting assembly and a controller, wherein the conveying assembly is used for conveying wood chips, and when the conveying assembly works, one end of the conveying assembly is at least flush with a plane where an opening end of a pit is positioned; the supporting component is arranged in the pit and used for supporting the conveying component; the controller is used for controlling the height or angle adjustment of the supporting component so that one end of the conveying component is higher than or lower than the plane of the open end of the pit or is flush with the plane of the open end of the pit. The wood chip sampling device provided by the embodiment of the application can improve the speed and the accuracy of sampling the wood chips, so that the efficiency of sampling the wood chips is improved, and meanwhile, the potential danger of manual sampling is improved or avoided.

Description

Wood chip sampling device

Technical Field

The application relates to the technical field of papermaking, in particular to a wood chip sampling device.

Background

Paper is the most commonly used article in our daily life, and is generally formed by combining aqueous suspension of plant fibers subjected to pulping treatment on a net in a staggered manner, primarily dehydrating, compressing and drying. Within the modern paper industry; crushing wood into wood chips by a crusher, pulping the wood chips, and papermaking; wood chips are usually stacked in the open air after wood is broken, and when the wood chips are required to be used, the wood chips are discharged through a panel turnover machine and are sampled in a pit spiral transportation mode.

However, the wood chip sampling mode has the problems of low manual sampling efficiency, limited sampling point, large sampling error, high requirement, extremely high safety risk of manual sampling, risk of injury by vehicles and injury by piled wood chips, and the like.

Disclosure of utility model

The application provides a wood chip sampling device which can carry out multipoint interval sampling on transported wood chips, improves the efficiency of wood chip sampling, improves the safety of wood chip sampling, and improves or avoids the potential danger of manual sampling.

In order to solve the technical problems, the application adopts a technical scheme that: the wood chip sampling device comprises a conveying assembly, a supporting assembly and a controller, wherein the conveying assembly is used for conveying wood chips, and when the conveying assembly works, one end of the conveying assembly is at least flush with a plane where an opening end of a pit is located; the supporting component is arranged in the pit and used for supporting the conveying component; the controller is used for controlling the height or angle adjustment of the supporting component so that one end of the conveying component is higher than or lower than the plane of the open end of the pit or is flush with the plane of the open end of the pit.

The support assembly at least comprises a first support column and a second support column, wherein the first support column is used for supporting one end of the conveying assembly, the second support column is used for supporting the other end of the conveying assembly, the height of the first support column is larger than that of the second support column when the conveying assembly works, so that one end of the conveying assembly is at least flush with the plane where the open end of the pit is located, and the other end of the conveying assembly is lower than the plane where the open end of the pit is located.

The conveying assembly comprises a conveying belt and a cover plate, and the conveying belt is rotatably arranged on the supporting assembly and is used for conveying wood chips; the apron is fixed to be set up in conveyer belt one side that deviates from the pit bottom.

Wherein the cover plate is provided with openings for the chips to pass through the openings to the conveyor belt.

Wherein, the surface of apron is arc.

The conveying assembly further comprises blocking portions, wherein the blocking portions are arranged on two sides of the conveying direction of the conveying belt and used for reducing wood chips from entering the bottom of the conveying belt.

The wood chip sampling device further comprises a first turning plate, wherein the first turning plate is movably arranged at the opening end of the pit and used for shielding the opening end of the pit or rotating the first turning plate to open the opening end of the pit.

The wood chip sampling device further comprises a second turning plate, the second turning plate is movably arranged outside the pit opening end, the angle between the second turning plate and the plane where the pit opening end is located is adjustable, and the second turning plate can be fixed at any angle.

The wood chip sampling device further comprises a sensor, wherein the sensor is used for detecting the position of the wood board carrier and transmitting the position to the controller, so that the controller controls the first turning plate and/or the second turning plate to rotate.

The wood chip sampling device further comprises a receiving mechanism, wherein the receiving mechanism is arranged outside the pit, is close to the side where one end of the conveying assembly is located and is used for receiving the wood chips transmitted by the conveying assembly.

The application has the beneficial effects that: compared with the prior art, the wood chip sampling device provided by the application can improve the speed and the accuracy of wood chip sampling, thereby improving the efficiency of wood chip sampling and simultaneously improving or avoiding the potential danger of manual sampling.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a wood chip sampling device according to the present application;

FIG. 2 is a schematic view of another embodiment of a wood chip sampling device according to the present application;

FIG. 3 is a schematic view of another embodiment of a wood chip sampling device according to the present application;

FIG. 4 is a schematic view of an embodiment of a conveyor assembly according to the present application;

FIG. 5 is a schematic view of another embodiment of a conveyor assembly provided by the present application;

Fig. 6 is a schematic view of another embodiment of a delivery assembly provided by the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terms "first," "second," and "first," herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Referring to fig. 1-6, fig. 1 is a schematic structural diagram of an embodiment of a wood chip sampling device according to the present application, fig. 2 is a schematic structural diagram of another embodiment of a wood chip sampling device according to the present application, fig. 3 is a schematic structural diagram of another embodiment of a wood chip sampling device according to the present application, fig. 4 is a schematic structural diagram of an embodiment of a conveying assembly according to the present application, fig. 5 is a schematic structural diagram of another embodiment of a conveying assembly according to the present application, and fig. 6 is a schematic structural diagram of another embodiment of a conveying assembly according to the present application.

Referring to fig. 1-3, the present application provides a wood chip sampling device 100, where the wood chip sampling device 100 includes a conveying assembly 1, a supporting assembly 2 and a controller 3, the conveying assembly 1 is used for conveying wood chips, and when the conveying assembly 1 works, one end of the conveying assembly 1 is at least flush with a plane where an opening end 201 of a pit 200 is located; the supporting component 2 is arranged in the pit 200 and is used for supporting the conveying component 1; the controller 3 is used for controlling the height or angle adjustment of the support assembly 2 so that one end of the conveying assembly 1 is higher or lower than the plane of the open end 201 of the pit 200 or is level with the plane of the open end 201 of the pit 200.

Specifically, in one embodiment of the present application, the wood chip sampling device 100 may be used to take out the wood chips from the pit 200, and when the wood chips are discharged into the pit 200, the wood chips fall onto the wood chip sampling device 100 from top to bottom, and then are transported to the outside of the pit 200 for sampling via the conveying assembly 1. The support assembly 2 is positioned within the pit 200, and the transport assembly 1 is disposed on a side of the support assembly 2 facing away from the pit 200 such that the support assembly 2 supports the transport assembly 1. In another embodiment of the present application, the chip sampling device 100 may be used in other applications. Further, when the wood chip sampling device 100 is not in operation, the conveying assembly 1 can be arranged in the pit 200, and when in operation, the height or angle of the conveying assembly 1 is adjusted by changing the height or angle of the supporting assembly 2, so that the conveying assembly 1 can receive and convey the wood chips, and the wood chips can be sampled. In the embodiment of the application, before the conveying assembly 1 works, the controller 3 controls the height or angle adjustment of the supporting assembly 2, so that the conveying assembly 1 is adjusted to a designated position and angle, the wood chip sampling is performed, and the wood chip sampling efficiency is improved. Specifically, in one embodiment, the controller 3 controls the support assembly 2 such that one end of the conveying assembly 1 is higher than the plane of the open end 201 of the pit 200 and the other end is lower than the plane of the open end 201 of the pit 200. In another embodiment, one end of the conveying assembly 1 may be made higher than the plane of the open end 201 of the pit 200, and the other end may be made flush with the plane of the open end 201 of the pit 200. In another embodiment, both ends of the conveying assembly 1 may be made higher than the plane of the open end 201 of the pit 200, so that the conveying assembly 1 can convey the wood chips in the pit out of the pit 200. In other embodiments, it is also possible to have both ends of the conveyor assembly 1 below the plane of the open end 201 of the pit 200.

Further, in one embodiment, the controller 3 may include a control panel fixed outside the pit 200, and further, the control panel may be disposed at a side close to the first support column 21. In another embodiment, the controller 3 may also comprise a remote control device that can be carried on the person of a portable person, through which the sampling person controls the support assembly 2. In other embodiments, the controller 3 may also include other forms of control devices.

According to the wood chip sampling device 100 disclosed by the embodiment of the application, the conveying assembly 1 and the supporting assembly 2 are arranged in the pit 200, the controller 3 is used for controlling the conveying assembly 1 to convey the wood chips, so that the safety of wood chip sampling is improved, the potential danger of manual sampling is improved or avoided, the height and the angle of the conveying assembly 1 are controlled and regulated, the conveyed wood chips can be sampled at intervals at multiple points during the wood chip discharging process, and the sampling speed and the accuracy of the wood chips are improved, so that the wood chip sampling efficiency is improved.

In the embodiment of the application, the supporting component 2 at least comprises a first supporting column 21 and a second supporting column 22, the first supporting column 21 is used for supporting one end of the conveying component 1, the second supporting column 22 is used for supporting the other end of the conveying component 1, when the conveying component 1 works, the height of the first supporting column 21 is larger than that of the second supporting column 22, so that one end of the conveying component 1 is at least flush with the plane of the open end 201 of the pit 200, the other end of the conveying component 1 is lower than the plane of the open end 201 of the pit 200, the conveying component 1 can reach a designated position and angle, the range of the conveying component 1 for receiving and conveying wood chips is enlarged, the conveyed wood chips are sampled at multiple intervals, and the wood chip sampling efficiency is improved.

Specifically, the support assembly 2 according to an embodiment of the present application is disposed in the pit 200, the first support column 21 is located on a side close to the side wall of the pit 200, the second support column 22 is located on a side away from the side wall of the pit 200, the first support column 21 is used for supporting one end of the conveying assembly 1, and the second support column 22 is used for supporting the other end of the conveying assembly 1, so as to realize the supporting effect of the support assembly 2 on the conveying assembly 1. Further, a hydraulic cylinder is disposed on one side of the first support column 21 near the bottom of the pit 200, for controlling the height of the first support column 21, so that at least one end of the conveying assembly 1 connected with the first support column 21 is flush with the plane where the open end 201 of the pit 200 is located, the first support column 21 is movably disposed in the pit 200, so that the angle of the first support column 21 can be adjusted, the connection mode can be hinged, or other connection modes can be used, the second support column 22 is fixedly disposed in the pit 200, and the height of the second support column is lower than the plane where the open end 201 of the pit 200 is located, so that one end of the conveying assembly 1 connected with the second support column 22 is lower than the plane where the open end 201 of the pit 200 is located. When the wood chip sampling device is not in operation, the first support column 21 and the second support column 22 are lower than the plane where the opening end 201 of the pit 200 is located, and when the wood chip sampling device is in operation, the first support column 21 drives one end of the conveying component 1 to be higher than the plane where the opening end 201 of the pit 200 is located or to be flush with the plane where the opening end 201 of the pit 200 is located, so that the conveying component 1 can reach a specified position and angle, the wood chip receiving and transmitting range of the conveying component 1 is enlarged, the transported wood chips are subjected to multipoint interval sampling, and the wood chip sampling efficiency is improved.

In another embodiment of the present application, the second support column 22 can also be adjusted in height, so that the position range of the conveying assembly 1 is larger, and the range of conveying the wood chips by the conveying assembly 1 is enlarged, thereby improving the efficiency of wood chip sampling. In other embodiments of the application, the support assembly 2 may be adapted for other applications.

Referring to fig. 1 and fig. 4-6, in the embodiment of the present application, a conveying assembly 1 includes a conveying belt 11 and a cover plate 12, where the conveying belt 11 is rotatably disposed on a supporting assembly 2, and is used for conveying wood chips; the cover plate 12 is fixedly arranged on one side of the conveying belt 11 away from the bottom of the pit 200, and is used for protecting the conveying belt 11 and improving or avoiding damage to the conveying belt 11 or influence on conveying of wood chips caused by stacking of the wood chips on the conveying belt 11.

Specifically, the conveyer belt 11 is rotatably disposed on the supporting component 2, so that when the supporting component 2 is adjusted in height or angle, or both the height and angle are adjusted, the state of the conveying component 1 can be changed, the conveying component 1 reaches the designated position and angle, the position range of the conveying component 1 is larger, the range of the conveying component 1 for conveying wood chips is enlarged, and the efficiency of wood chip sampling is improved. Further, the support assembly 2 is movably connected to the conveyor belt 11, and in one embodiment, the support assembly 2 and the conveyor belt 11 may be connected by a hinge. In another embodiment, the support assembly 2 and the conveyor belt 11 may also be connected by rotation. In other embodiments, the support assembly 2 and the conveyor belt 11 may also be connected by a universal joint.

Further, in the embodiment of the present application, the conveying direction D1 of the conveying belt 11 is the direction in which the second support column 22 points to the first support column 21, and the end of the conveying belt 11 close to the first support column 21 is a sampling position, where a sampling person samples the wood chips conveyed by the conveying belt 11.

Specifically, the cover plate 12 is fixedly arranged above the conveying belt 11, so that the conveying belt 11 can be protected, and the situation that the conveying belt 11 is damaged or the conveying of the wood chips is affected due to the fact that the wood chips are accumulated on the conveying belt 11 is improved or avoided.

In the present embodiment, the cover plate 12 is provided with openings 121 for allowing wood chips to pass through the openings 121 to the conveyor belt 11.

Specifically, when the wood chips are unloaded towards the pit 200, the wood chips reach the conveying belt 11 from top to bottom through the openings 121 on the cover plate 12, and are conveyed to the outside of the pit 200 for sampling through the conveying belt 11, and the wood chips can be prevented from falling to the conveying belt 11 between the adjacent openings 121 of the cover plate 12, so that the conveying belt 11 is protected, and the condition that the conveying belt 11 is damaged or the wood chip conveying is affected due to the accumulation of the wood chips on the conveying belt 11 is improved or avoided. Further, the wood chips reach the conveyor belt 11 through the openings 121 at different positions on the cover plate 12, so that the multi-point interval sampling of the wood chips can be realized, and the efficiency, the rationality and the scientificity of the wood chip sampling are improved.

In one embodiment the cover plate 12 may cover the conveyor belt 11 completely, the chips falling onto the conveyor belt 11 only through the openings 121 in the cover plate 12. In another embodiment, the cover plate 12 may cover only the part of the conveyor belt 11 receiving the chips and not the part of the sampling place, so that the sampling personnel has a larger sampling space for sampling the chips. In other embodiments, the cover plate 12 may also completely cover the conveyor belt 11, but a plurality of gaps are left, the width of the gaps may be specified according to the size of the wood chips, the wood chips may reach the conveyor belt 11 through the gaps, and the multi-point interval sampling of the wood chips may also be realized, so as to improve the efficiency, rationality and scientificity of the wood chip sampling.

In the embodiment of the application, the surface of the cover plate 12 is curved so that the wood chips blocked between adjacent openings 121 can slide into the pit 200.

Specifically, the surface of the cover plate 12 is arc-shaped, and the opening 121 is inward, so that the wood chips automatically slide into the pit 200 on the surface of the arc-shaped cover plate 12, thereby improving or avoiding the situation that the wood chips are accumulated on the conveyor belt 11 to cause damage to the conveyor belt 11 or influence the wood chip conveying.

In the embodiment of the present application, the conveying assembly 1 further includes blocking portions 13, where the blocking portions 13 are disposed at two sides of the conveying direction of the conveying belt 11, for reducing wood chips from entering the bottom of the conveying belt 11.

Specifically, the blocking parts 13 are arranged at two sides of the conveying direction of the conveying belt 11, so that wood chips sliding from the cover plate 12 to the pit 200 can be blocked from being extruded and drilled into the bottom of the conveying belt 11 due to different accumulation sizes, and damage to the conveying belt 11 caused by the wood chips in the pit 200 is improved or avoided. Further, the conveying assembly 1 can improve or avoid the pollution of the wood chips by providing the blocking part 13 for closed sampling. In one embodiment, the barrier 13 may comprise a silicon sheet. In another embodiment, the blocking portion 13 may also include other material structures for blocking the wood chips.

Further, the conveying assembly 1 further comprises a driving motor 14, the driving motor 14 is arranged at one end of the conveying assembly 1, an inclined plane protection cover 15 is arranged on the periphery of the driving motor 14, and wood chips can slide into the pit 200 while the driving motor 14 is protected.

Referring to fig. 1-3, in the embodiment of the present application, the wood chip sampling device 100 further includes a first flap 4, where the first flap 4 is movably disposed at the open end 201 of the pit 200, and is used for shielding the open end 201 of the pit 200, or rotating the first flap 4 to open the open end 201 of the pit 200.

Specifically, the size of the first flap 4 may be equal to the size of the open end 201 of the pit 200, or may be slightly smaller than the size of the open end 201 of the pit 200. When the wood chip sampling device 100 does not work, the first turning plate 4 is used for shielding the open end 201 of the pit 200, so that pollution to the pit 200 is reduced; when the wood chip sampling device 100 works, the first turning plate 4 rotates to open the opening end 201 of the pit 200, so that the wood chips are sampled.

In the embodiment of the application, the wood chip sampling device 100 further comprises a second turning plate 5, the second turning plate 5 is movably arranged outside the opening end 201 of the pit 200, the angle between the second turning plate 5 and the plane of the opening end 201 of the pit 200 can be adjusted, and the second turning plate 5 can be fixed at any angle.

Specifically, the second turning plate 5 is used for carrying the wood board carrier 6, when the wood chip sampling device 100 works, the first turning plate 4 rotates to open the opening end 201 of the pit 200, the wood board carrier 6 is located on the second turning plate 5, and the second turning plate 5 turns up and is fixed at a certain angle, so that the wood chips can be discharged into the pit 200 in a manner of converting gravitational potential energy into kinetic energy at the angle. Further, the falling speed of the wood chips can be controlled by adjusting the angle between the second turning plate 5 and the plane where the opening end 201 of the pit 200 is located, and the wood chips are matched with the conveying assembly 1, so that the wood chips can accurately reach the conveying belt 11, the accuracy of wood chip sampling is improved, and the efficiency of wood chip sampling is improved.

In one embodiment, the second flap 5 may rotate in the same direction D2 as the first flap 4, so that the first flap 4 can improve or avoid that chips fall out of the pit 200 in the discharge direction during discharge. In another embodiment, the direction D2 of rotation of the second flap 5 can also be different from that of the first flap 4, so that a greater discharge space is obtained.

In the embodiment of the present application, the wood chip sampling device 100 further includes a sensor, where the sensor is used to detect the position of the board carrier 6 and transmit the detected position to the controller 3, so that the controller 3 controls the first board turnover 4 and/or the second board turnover 5 to rotate.

Specifically, the sensor can detect the position that bears plank carrier 6, and when the sensor detects plank carrier 6 and turns over board 4 through first, after the second turns over board 5, can be with data transmission to controller 3, and sampling personnel accessible controller 3 control first board 4 rotates and adjusts conveying assembly 1's position and angle, and when conveying assembly 1 reached appointed position and angle, steerable second turned over board 5 rotates to carry out the wood chip sample, improved or avoided the potential danger of manual sampling.

In another embodiment of the present application, a board turnover machine may be provided for controlling the rotation of the first board turnover 4 and the second board turnover 5, when the board carrier 6 passes through the first board turnover 4 and needs to be sampled, data may be transmitted to the board turnover machine, the board turnover machine may control the first board turnover 4 to automatically rotate and turn up, open the open end 201 of the pit 200, and control the conveying assembly 1 to a designated position, and simultaneously automatically control the second board turnover 5 to turn up, so as to realize automatic transmission sampling, improve the efficiency of wood chip sampling, and simultaneously improve the safety of wood chip sampling, and improve or avoid the potential danger of manual sampling.

Further, in one embodiment, the board carrier 6 may comprise a vehicle for transporting wood chips. In another embodiment, the board carrier 6 may also comprise other means of transporting or carrying the wood chips.

In the embodiment of the present application, the wood chip sampling device 100 further includes a receiving mechanism, which is disposed outside the pit 200 and near the side of one end of the conveying assembly 1, for receiving the wood chips conveyed by the conveying assembly 1.

Specifically, sampling personnel sample the wood chips conveyed by the conveying assembly 1 through the receiving mechanism, so that the manual sampling of the wood chips by the sampling personnel is improved or avoided, the safety of the wood chip sampling is improved, and the potential danger of the manual sampling is improved or avoided. In one embodiment, the receiving mechanism may include a mechanical device capable of automatic sampling. In another embodiment, the receiving means may comprise a sampling device requiring manual operation. In other embodiments, the receiving means may also sample the wood chips by a combination of automated and manual sampling.

In the wood chip sampling device 100 according to an embodiment of the present application, the conveying component 1 is disposed in the pit 200 below the first turning plate 4, and when the vehicle passes or does not sample, the conveying component 1 does not affect the normal passing of the vehicle on the first turning plate 4; when needs sample, detect plank carrier 6 and pass through first board 4 of turning over, after arriving the second board 5 of turning over, can be with data transmission to controller 3, the sampling personnel accessible controller 3 control first board 4 rotates and adjusts conveying assembly 1's position and angle, when conveying assembly 1 arrives appointed position and angle, steerable second board 5 rotates, make plank carrier 6 unload, the wood chip reaches conveyer belt 11 through opening 121 on the apron 12, conveyer belt 11 conveys the wood chip to the sample department, sampling personnel samples the wood chip through receiving mechanism.

In the wood chip sampling device 100 according to another embodiment of the present application, when sampling is required, after the vehicle to be transported passes through the first turning plate 4 and turns up, the conveying assembly 1 is triggered to rise to a specified position; when the second turning plate 5 turns up the vehicle for unloading, the conveying assembly 1 takes materials, samples the wood chips through the openings 121 arranged at different positions of the top arc-shaped cover plate 12, and conveys the wood chips to a designated packing position through the conveying belt 11 for sealing and inspection.

The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or directly or indirectly applied to other related technical fields are included in the scope of the present application.

Claims (10)

1. A wood chip sampling device, comprising:

The conveying assembly (1) is used for conveying wood chips, and when the conveying assembly (1) works, one end of the conveying assembly (1) is at least flush with a plane on which an opening end (201) of the pit (200) is positioned;

The supporting component (2) is arranged in the pit (200) and is used for supporting the conveying component (1);

And the controller (3) is used for controlling the height or angle adjustment of the supporting component (2) so that one end of the conveying component (1) is higher than or lower than the plane of the open end (201) of the pit (200) or is flush with the plane of the open end (201) of the pit (200).

2. The wood chip sampling device according to claim 1, characterized in that the support assembly (2) comprises at least:

First support column (21) and second support column (22), first support column (21) are used for supporting the one end of conveying subassembly (1), second support column (22) are used for supporting the other end of conveying subassembly (1) during operation, the height of first support column (21) is greater than the height of second support column (22), so that one end of conveying subassembly (1) is at least at the plane parallel and level that open end (201) of pit (200) is located, the other end of conveying subassembly (1) is less than the plane that open end (201) of pit (200) is located.

3. The wood chip sampling device according to claim 1, characterized in that the conveying assembly (1) comprises:

The conveying belt (11) is rotatably arranged on the supporting component (2) and is used for conveying the wood chips;

And the cover plate (12) is fixedly arranged on one side of the conveying belt (11) away from the bottom of the pit (200).

4. A chip sampling device according to claim 3, characterized in that the cover plate (12) is provided with openings for allowing the chips to pass through the openings to the conveyor belt (11).

5. A wood chip sampling device according to claim 3, characterized in that the surface of the cover plate (12) is curved.

6. A wood chip sampling device according to claim 3, characterized in that the conveying assembly (1) further comprises:

And the blocking parts (13) are arranged on two sides of the conveying direction of the conveying belt (11) and are used for reducing the wood chips from entering the bottom of the conveying belt (11).

7. The wood chip sampling device of claim 1, further comprising:

the first turning plate (4) is movably arranged at the opening end (201) of the pit (200) and is used for shielding the opening end (201) of the pit (200) or rotating the first turning plate (4) to open the opening end (201) of the pit (200).

8. The wood chip sampling device of claim 7, further comprising:

The second turning plate (5), the second turning plate (5) activity set up in pit (200) open end (201) outside, the second turning plate (5) with the angle of pit (200) open end (201) place planar is adjustable, just second turning plate (5) can be fixed in arbitrary angle.

9. The wood chip sampling device according to claim 8, further comprising a sensor for detecting a position of a load board carrier (6) and transmitting to the controller (3) such that the controller (3) controls the rotation of the first flap (4) and/or the second flap (5).

10. The wood chip sampling device of claim 1, further comprising:

The receiving mechanism is arranged outside the pit (200), is close to the side where one end of the conveying assembly (1) is located, and is used for receiving the wood chips conveyed by the conveying assembly (1).