Blockage early warning device

Abstract

The utility model relates to a blockage early warning device which is applied to the field of conveying equipment and comprises a first screw conveyor and a second screw conveyor, a connecting box is arranged between the first screw conveyor and the second screw conveyor, and the connecting box is communicated with a discharging port of the first screw conveyor and a feeding port of the second screw conveyor. An elastic plate is arranged on the inner box wall, facing the discharging port of the first spiral conveyor, of the connecting box, the elastic plate is obliquely arranged in the direction facing the discharging port of the first spiral conveyor, an observation hole is formed in the connecting box, an observation rod is arranged on the face, deviating from the first spiral conveyor, of the elastic plate, and the observation rod penetrates through the observation hole and partially extends out of the connecting box. The connecting box has the technical effects that an operator can judge the blocking degree of solid materials in the connecting box by observing the extending degree of the observation rod out of the connecting box from the outside, the operator can conveniently adjust the conveying capacity of the first spiral conveyor and the second spiral conveyor, and then the blocking problem of the connecting box is solved in time.

Description

Technical Field

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

[0002] The working principle of the screw conveyor is that the material is pushed by the rotating spiral blades to complete the conveying task. It has the characteristics of simple, compact structure and good sealing. It is widely used in feed processing, chemical industry, environmental protection and other industries.

[0003] The organic waste treatment industry adopts fully enclosed conveying to reduce the possibility of odor escape. The conveying of solid materials generally adopts the method of screw conveying. In the case of long conveying distance, multi-stage screw conveyors are specifically used. The upper screw conveyor and the lower screw conveyor are connected through a closed connection box. Due to the complexity of the materials, solid materials such as large pieces of vegetable leaves, plastics, branches, etc. are easily unstable in the conveying capacity of the screw conveyor. When the conveying capacity of the lower screw conveyor is less than that of the upper screw conveyor, the connection box is prone to blockage.

[0004] During use of the above-mentioned connecting box, it is difficult for the operator to intuitively know the specific situation of material blockage in the connecting box, so it is impossible to judge the flow obstruction of the material during the transportation process, which affects the production efficiency and the continuity of garbage disposal. Summary of the invention

[0005] In order to help solve the problem in the related art that it is difficult to timely know the material blockage situation in the connecting box, which affects the production efficiency and the continuity of garbage disposal, the present application provides a blockage warning device, which adopts the following technical scheme: it includes a first screw conveyor and a second screw conveyor, a connecting box is provided between the first screw conveyor and the second screw conveyor, the connecting box is communicated with the discharge port of the first screw conveyor and the feed port of the second screw conveyor, an elastic plate is provided on the inner box wall of the connecting box facing the discharge port of the first screw conveyor, the elastic plate is inclined toward the discharge port of the first screw conveyor, an observation hole is opened on the connecting box, and an observation rod is provided on the surface of the elastic plate facing away from the first screw conveyor, the observation rod passes through the observation hole and partially extends out of the connecting box.

[0006] In a specific possible implementation scheme, the two side edges of the elastic plate are in contact with the two inner box walls of the connecting box respectively, and the internal area of ​​the connecting box is divided by the elastic plate into a dropping area between the elastic plate and the first screw conveyor and a detection area between the elastic plate and the observation hole.

[0007] In a specific possible implementation manner, one end of the elastic plate close to the first screw conveyor extends to above the discharge port of the first screw conveyor.

[0008] In a specific possible implementation mode, the outer edge of the observation rod is provided with a plurality of identification areas in sequence along the length direction of the observation rod.

[0009] In a specific possible implementation manner, a disk is provided on the surface of the observation rod facing away from the elastic plate.

[0010] In a specific possible implementation manner, an annular sealing gasket is provided on the hole wall of the observation hole, and the annular sealing gasket is tightly pressed between the observation rod and the observation hole.

[0011] In a specific possible implementation manner, an elastic member is provided on the surface of the elastic plate facing the observation hole, and one end of the elastic member facing away from the elastic plate is connected to the inner box wall of the connection box.

[0012] In a specific possible implementation manner, the elastic member includes two compression springs respectively arranged on the elastic plates, and one end of the two compression springs facing away from the elastic plates is connected to the inner box wall of the connection box.

[0013] In a specific possible implementation scheme, a sensing rod is provided on the surface of the elastic plate facing the observation hole, and a trigger corresponding to the sensing rod is provided on the inner wall of the connection box.

[0014] In a specific embodiment, the end of the elastic plate facing the first screw conveyor is connected to a flexible belt matching the elastic plate, and the end of the flexible belt away from the elastic plate is connected to the end surface of the connection box facing the outlet end of the first screw conveyor.

[0015] To sum up, the present application has at least the following beneficial technical effects: solid materials fall into the connecting box from the discharge port of the first screw conveyor. When the materials in the connecting box accumulate, the accumulated materials squeeze the elastic plate, providing a force to the elastic plate to cause the elastic plate to deform under the force, thereby pushing the observation rod on the elastic plate to pass through the observation hole and partially extend out of the connecting box. The operator can judge the degree of blockage of the solid material in the connecting box by observing the extent to which the observation rod extends out of the connecting box from the outside, which is convenient for the operator to adjust the conveying capacity of the first screw conveyor and the second screw conveyor, and then promptly solve the blockage problem of the connecting box, thereby improving the continuity and production efficiency of garbage disposal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0017] Figure 2 It is a structural diagram used to reflect the identification area in the embodiment of the present application.

[0018] Figure numerals: 1. first screw conveyor; 2. second screw conveyor; 3. connecting box; 4. elastic plate; 5. observation hole; 6. observation rod; 7. material dropping area; 8. detection area; 9. marking area; 10. disc; 11. annular sealing gasket; 12. compression spring; 13. sensing rod; 14. trigger; 15. flexible belt. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-2 This application is described in further detail.

[0020] The embodiment of the present application discloses a congestion warning device.

[0021] Reference Figure 1 The blockage warning device includes a first screw conveyor 1 and a second screw conveyor 2. A connecting box 3 is installed between the first screw conveyor 1 and the second screw conveyor 2. The connecting box 3 is connected to the discharge port of the first screw conveyor 1 and the feed port of the second screw conveyor 2. An elastic plate 4 is arranged on the inner box wall of the connecting box 3 facing the discharge port of the first screw conveyor 1. The elastic plate 4 in the embodiment of the present application can be made of a metal material with good elastic properties. The elastic plate 4 is inclined toward the discharge port of the first screw conveyor 1, and the solid material is located between the elastic plate 4 and the discharge port of the first screw conveyor 1. An observation hole 5 is provided on the connecting box 3. An observation rod 6 arranged perpendicular to the elastic plate 4 is fixedly connected to the surface of the elastic plate 4 facing away from the first screw conveyor 1. The observation rod 6 passes through the observation hole 5 and partially extends out of the connecting box 3.

[0022] Reference Figure 1 and Figure 2 The outer edge of the observation rod 6 is provided with a plurality of marking areas 9 in sequence along the length direction of the observation rod 6. In the embodiment of the present application, three marking areas 9 can be set, and the three marking areas 9 can be set to different colors respectively. The three marking areas 9 can also be engraved with different numbers, which is convenient for the operator to observe the marking area 9 from the outside and intuitively observe that the observation hole 5 is located in the marking area 9 on the observation rod 6, thereby inferring the accumulation of garbage in the connection box 3.

[0023] Reference Figure 1 and Figure 2, a disc 10 is fixedly connected to the surface of the observation rod 6 facing away from the elastic plate 4. In the embodiment of the present application, the disc 10 can be made of a transparent material, such as acrylic material. The transparent disc 10 can reduce the obstruction of the observation rod 6. The disc 10 plays a limiting role, reducing the possibility of the observation rod 6 being offset, and improving the stability of the placement of the observation rod 6. At the same time, the disc 10 can block some raindrops from falling into the observation hole 5, reducing the possibility of the garbage in the connection box 3 being damp and corrupted. An annular sealing gasket 11 is bonded to the hole wall of the observation hole 5. In the embodiment of the present application, the annular sealing gasket 11 can be made of rubber material. The annular sealing gasket 11 is pressed tightly between the observation rod 6 and the observation hole 5 to play a sealing role, reducing external water vapor and dust from falling into the connection box 3, and at the same time reducing the possibility of odor escaping from the connection box 3, so as to achieve the overall fully enclosed transportation of solid material garbage.

[0024] Reference Figure 1 , the two side edges of the elastic plate 4 are in contact with the two inner box walls of the connection box 3 respectively, and the inner area of ​​the connection box 3 is divided by the elastic plate 4 into a drop area 7 located between the elastic plate 4 and the first screw conveyor 1 and a detection area 8 located between the elastic plate 4 and the observation hole 5. In the embodiment of the present application, one end of the elastic plate 4 close to the first screw conveyor 1 extends to the top of the discharge port of the first screw conveyor 1, reducing the possibility of solid materials accidentally entering the detection area 8 when falling from the first screw conveyor 1 into the connection box 3, causing garbage jams, and facilitating the subsequent cleaning and maintenance of the connection box 3.

[0025] Reference Figure 1 A sensing rod 13 is installed on the surface of the elastic plate 4 facing the observation hole 5, and a trigger 14 corresponding to the sensing rod 13 is arranged on the inner wall of the connection box 3. In the embodiment of the present application, the trigger 14 can adopt a pressure sensor or a button sensor. Therefore, when the solid material garbage in the blanking area 7 is accumulated to be about to be full, the elastic plate 4 is deformed by the force and drives the sensing rod 13 to resist the trigger 14, so that the trigger 14 feeds back an alarm signal to the control terminal, so that the operator can solve the blockage problem of the connection box 3 in time, thereby improving the continuity and production efficiency of garbage treatment.

[0026] Reference Figure 1, an elastic member is arranged on the surface of the elastic plate 4 facing the observation hole 5, and the elastic member includes two compression springs 12 respectively arranged on the elastic plate 4, and the ends of the two compression springs 12 facing away from the elastic plate 4 are connected to the inner box wall of the connection box 3. The two compression springs 12 in the embodiment of the present application are respectively located on both sides of the observation rod 6. Therefore, the compression spring 12 supports the elastic plate 4 and improves the stability of the placement of the elastic plate 4. The compression spring 12 has a strong elastic deformation ability, and when subjected to external pressure from the elastic plate 4, it can be compressed and deformed and store energy. When the external pressure of the elastic plate 4 disappears, the compression spring 12 will release the stored energy and return to its original form, so that the compression spring 12 can act as a buffer element in the connection box 3, absorb and release energy, and facilitate the resetting of the elastic plate 4.

[0027] Reference Figure 1 , the end of the elastic plate 4 facing the first screw conveyor 1 is connected to a flexible belt 15 that matches the size of the elastic plate 4. The flexible belt 15 can be a cloth belt. The flexible belt 15 is located at the top of the detection area 8, and the end of the flexible belt 15 away from the elastic plate 4 is connected to the end face of the connecting box 3 facing the outlet end of the first screw conveyor 1, so that the detection area 8 forms a relatively closed space, reducing the solid material from accidentally entering the detection area 8 when falling from the first screw conveyor 1 into the connecting box 3. The related technology uses cameras, radars, voice-controlled sensors and other measures to monitor the material position in the connecting box 3. Due to the large amount of volatile substances in the garbage transportation process, the sensor will malfunction or fail for a long time. In the present application document, the trigger 14 and the sensing rod 13 are centrally arranged in the detection area 8, which reduces the impact of material volatilization on the equipment and improves the service life of the trigger 14.

[0028] The implementation principle of the embodiment of the present application is as follows: solid materials fall into the connecting box 3 from the discharge port of the first screw conveyor 1. When the materials in the connecting box 3 are accumulated, the accumulated materials squeeze the elastic plate 4, providing a force on the elastic plate 4 to cause the elastic plate 4 to deform under the force, thereby pushing the observation rod 6 on the elastic plate 4 to pass through the observation hole 5 and partially extend out of the connecting box 3. The operator can judge the degree of blockage of the solid materials in the connecting box 3 by observing the degree to which the observation rod 6 extends out of the connecting box 3 from the outside, which is convenient for the operator to adjust the conveying capacity of the first screw conveyor 1 and the second screw conveyor 2, and then promptly solve the blockage problem of the connecting box 3, thereby improving the continuity and production efficiency of garbage disposal.

[0029] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A blockage warning device, characterized in that: The invention comprises a first screw conveyor (1) and a second screw conveyor (2), wherein a connecting box (3) is provided between the first screw conveyor (1) and the second screw conveyor (2), wherein the connecting box (3) is communicated with the discharge port of the first screw conveyor (1) and the feed port of the second screw conveyor (2), wherein an elastic plate (4) is provided on the inner box wall of the connecting box (3) facing the discharge port of the first screw conveyor (1), wherein the elastic plate (4) is inclined in the direction of the discharge port of the first screw conveyor (1), wherein an observation hole (5) is provided on the connecting box (3), and an observation rod (6) is provided on the surface of the elastic plate (4) facing away from the first screw conveyor (1), wherein the observation rod (6) passes through the observation hole (5) and partially extends out of the connecting box (3).

2. The congestion warning device according to claim 1, characterized in that: The two side edges of the elastic plate (4) are in contact with the two inner box walls of the connection box (3) respectively, and the inner area of ​​the connection box (3) is divided by the elastic plate (4) into a material dropping area (7) located between the elastic plate (4) and the first screw conveyor (1) and a detection area (8) located between the elastic plate (4) and the observation hole (5).

3. The congestion warning device according to claim 1, characterized in that: One end of the elastic plate (4) close to the first screw conveyor (1) extends to above the discharge port of the first screw conveyor (1).

4. The congestion warning device according to claim 1, characterized in that: The outer edge of the observation rod (6) is provided with a plurality of marking areas (9) in sequence along the length direction of the observation rod (6).

5. The congestion warning device according to claim 1, characterized in that: A disc (10) is provided on the surface of the observation rod (6) facing away from the elastic plate (4).

6. The congestion warning device according to claim 1, characterized in that: An annular sealing gasket (11) is provided on the hole wall of the observation hole (5), and the annular sealing gasket (11) is tightly pressed between the observation rod (6) and the observation hole (5).

7. The congestion warning device according to claim 1, characterized in that: An elastic member is provided on the surface of the elastic plate (4) facing the observation hole (5), and one end of the elastic member facing away from the elastic plate (4) is connected to the inner box wall of the connection box (3).

8. The congestion warning device according to claim 7, characterized in that: The elastic member comprises two compression springs (12) respectively arranged on the elastic plate (4), and the ends of the two compression springs (12) facing away from the elastic plate (4) are both connected to the inner box wall of the connection box (3).

9. The congestion warning device according to claim 1, characterized in that: A sensing rod (13) is provided on the surface of the elastic plate (4) facing the observation hole (5), and a trigger (14) corresponding to the sensing rod (13) is provided on the inner wall of the connection box (3).

10. The congestion warning device according to claim 2, characterized in that: One end of the elastic plate (4) facing the first screw conveyor (1) is connected to a flexible belt (15) matching the elastic plate (4), and one end of the flexible belt (15) away from the elastic plate (4) is connected to the end surface of the connection box (3) facing the outlet end of the first screw conveyor (1).

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