Material conveying jam detection device and material conveying system

Abstract

The present invention discloses a material conveying jam detection device and a material conveying system. Among them, the material conveying jam detection device includes a frame structure, a discharging assembly, and a force measuring sensor structure. The discharging assembly includes a detection discharging member movably installed on the frame structure along the horizontal direction. A material unloading channel extending along the vertical direction is formed on the detection discharging member, and is used to unload materials from the material unloading channel to a material conveying channel formed below the detection discharging member and extending along the horizontal direction. The force measuring sensor structure is installed between the detection discharging member and the frame structure to measure the force of the detection discharging member along the horizontal direction, which more accurately reflects the situation of material jams and improves the safety of the operation of the conveying system.

Description

Technical Field

[0001] The present invention relates to the technical field of material conveying, and particularly relates to a material conveying blockage detection device and a material conveying system. Background Art

[0002] In material conveying, the feeding of a silo onto a conveyor belt is a common material transfer method. However, during the material transfer process, sometimes foreign objects such as large pieces of materials and long strip-shaped objects are stuck between the outlet of the silo and the material receiving surface of the conveyor belt. If not detected and the machine stopped for processing in time, it will damage the silo hopper or the conveyor, causing accidents and poor production safety. Summary of the Invention

[0003] The main object of the present invention is to provide a material conveying blockage detection device and a material conveying system, aiming to quickly detect blockage foreign objects and improve production safety.

[0004] To achieve the above object, a material conveying blockage detection device proposed by the present invention includes:

[0005] A frame structure;

[0006] A discharging assembly, including a detection discharging member movably installed on the frame structure along the horizontal direction. A material unloading channel extending in the vertical direction is formed on the detection discharging member, and is used for unloading materials from the material unloading channel onto a material conveying channel formed below the detection discharging member and extending in the horizontal direction; and

[0007] A force measuring sensor structure, installed between the detection discharging member and the frame structure, for measuring the force of the detection discharging member along the horizontal direction.

[0008] Optionally, the frame structure includes a frame and a main discharging member provided on the frame. A material falling channel is formed in the main discharging member, and the material falling channel communicates with the material unloading channel;

[0009] The force measuring sensor structure is provided between the main discharging member and the detection discharging member, or the force measuring sensor structure is provided between the detection discharging member and the frame.

[0010] Optionally, the material conveying blockage detection device further includes a hanging structure provided between the frame structure and the detection discharging member, for hanging the detection discharging member on the frame structure.

[0011] Optionally, the hanging structure includes a hanging rope or a chain.

[0012] Optionally, the hanging structure includes:

[0013] A hanging body, extending along the up-down direction; and,

[0014] Two first rotating pair structures, one of which is arranged between one end of the hanging body and the frame structure, and the other is arranged between the other end of the hanging body and the detection and unloading member.

[0015] Optionally, a plurality of the hanging structures are provided and arranged circumferentially along the detection and unloading member.

[0016] Optionally, the frame structure includes a frame and a main unloading member provided on the frame. A material falling channel is formed in the main unloading member, and the material falling channel communicates with the material unloading channel;

[0017] The hanging structure is arranged between the main unloading member and the detection and unloading member;

[0018] The force measuring sensor structure is arranged between the main unloading member and the detection and unloading member.

[0019] Optionally, the material conveying blockage detection device further includes a support structure, and the support structure is arranged between the frame structure and the detection and unloading member to support the detection and unloading member on the frame structure.

[0020] Optionally, the support structure includes a first support portion and a second support portion that are relatively movably installed along the horizontal direction, and the first support portion and the second support portion are respectively arranged on the frame structure and the detection and unloading member.

[0021] Optionally, among the first support portion and the second support portion, one is a mounting plate extending horizontally, and the other is a rolling body that can rotate along the horizontal direction, and the outer side surface of the rolling body is in rolling contact with the mounting plate.

[0022] Optionally, the support structure includes:

[0023] A support body, extending along the up-down direction; and,

[0024] Two second rotating pair structures, one of which is arranged between one end of the support body and the frame structure, and the other is arranged between the other end of the support body and the detection and unloading member.

[0025] Optionally, a plurality of the support structures are provided and arranged circumferentially along the detection and unloading member.

[0026] Optionally, a plurality of the force measuring sensor structures are provided and arranged circumferentially along the detection and unloading member.

[0027] Optionally, the force measuring sensor structure includes a two-dimensional force measuring sensor structure and / or a one-way force measuring sensor structure.

[0028] Optionally, the two-dimensional force sensor structure includes:

[0029] A force-measuring base;

[0030] A force-bearing member, arranged at a distance from the force-measuring base in the up-and-down direction. The force-bearing member extends in the up-and-down direction with a cross-section as a force-measuring surface, and the force-bearing member is used to bear the two-dimensional force to be measured within or parallel to the force-measuring surface; and,

[0031] At least two component force measurement structures, each of the component force measurement structures having two connecting parts opposite to each other within the force-measuring surface. One of the connecting parts is arranged on the force-bearing member, and the other connecting part is arranged on the force-measuring base. A first force-measuring direction is formed between the two connecting parts of one of the component force measurement structures, for measuring the value of the first one-way force distributed by the two-dimensional force to be measured along the first force-measuring direction. A second force-measuring direction is formed between the two connecting parts of the other component force measurement structure, which is arranged at an angle to the first force-measuring direction, for measuring the value of the second one-way force distributed by the two-dimensional force to be measured along the second force-measuring direction;

[0032] Wherein, the two-dimensional force to be measured is synthesized according to the first force-measuring direction, the value of the first one-way force, the second force-measuring direction, and the value of the second one-way force, and the two-dimensional force within the force-measuring surface is decomposed into component forces in the horizontal direction;

[0033] Among the force-measuring base and the force-bearing member, one of them is installed on the detection and unloading member, and the other is installed on the frame structure. The two-dimensional force to be measured is formed between the detection and unloading member and the frame structure.

[0034] Optionally, at least one of the component force measurement structures includes a pin-type force-measuring structure, and the pin-type force-measuring structure includes:

[0035] A force-transmitting rod, the two end parts of the force-transmitting rod corresponding to the two connecting parts; and,

[0036] A first pin-type force-measuring installation structure, including a first pin-type force sensor and a first installation hole that are rotatably matched with each other. Among the first pin-type force sensor and the first installation hole, one of them is arranged at one end of the force-transmitting rod, and the other is arranged on the force-measuring base.

[0037] Optionally, one of the component force measurement structures includes the pin-type force-measuring structure, and the other component force measurement structure includes:

[0038] A connecting rod, connected to the force-transmitting rod as a whole, and one end of the connecting rod is one of the connecting parts;

[0039] A load-bearing rod, one end of the load-bearing rod is connected to the other end of the connecting rod by a rotating pair, and the other end of the load-bearing rod is the other connecting portion; and,

[0040] The second pin-type force-measuring installation structure includes a second pin-type force sensor and a second installation hole that are rotatably matched with each other. Among the second pin-type force sensor and the second installation hole, one of them is arranged at the rotating end of the connecting rod and / or the other end of the load-bearing rod, and the other is correspondingly arranged at the rotating end of the load-bearing rod and / or the force-measuring base.

[0041] Optionally, a first rolling bearing is provided between the first pin-type force sensor and the first installation hole; and / or,

[0042] A second rolling bearing is provided between the second pin-type force sensor and the second installation hole.

[0043] Optionally, at least one of the component force measuring structures includes a strain-type force measuring structure, and the strain-type force measuring structure includes:

[0044] A first elastic rod, the two end portions of the first elastic rod are correspondingly two of the connecting portions; and,

[0045] A first strain measuring element is arranged on the first elastic rod, and the deformation direction of the first strain measuring element is the same as the force measuring direction formed between the two connecting portions.

[0046] Optionally, both of the two component force measuring structures include the strain-type force measuring structure;

[0047] The connecting portions of the first elastic rods of the two strain-type force measuring structures are all connected as a whole.

[0048] Optionally, one of the component force measuring structures includes the strain-type force measuring structure, and the other component force measuring structure includes:

[0049] A second elastic rod is connected to the first elastic rod as a whole, and one end of the first elastic rod is one of the connecting portions; and,

[0050] A third elastic rod, one end of the second elastic rod is rotatably installed at the other end of the second elastic rod, and the other end of the third elastic rod is the other connecting portion;

[0051] A second strain measuring element is arranged on the second elastic rod and / or on the third elastic rod, and the deformation direction of the second strain measuring element is the same as the force measuring direction formed between the two connecting portions.

[0052] The present invention also provides a material conveying system, which includes a material conveying jam detection device and a transmission component. A material conveying channel is formed on the transmission component. The material conveying jam detection device includes:

[0053] A frame structure;

[0054] A discharging component, including a detection discharging member movably mounted on the frame structure in the horizontal direction. A material unloading channel extending in the vertical direction is formed on the detection discharging member for unloading materials from the material unloading channel to a material conveying channel formed below the detection discharging member and extending in the horizontal direction; and,

[0055] A force measuring sensor structure mounted between the detection discharging member and the frame structure for measuring the force of the detection discharging member in the horizontal direction.

[0056] In the technical solution provided by the present invention, the detection discharging member is movably mounted on the frame structure in the horizontal direction, reducing the interference of the force in the vertical direction of the detection discharging member on the force in the horizontal direction. The force measuring sensor structure measures the force of the detection discharging member in the horizontal direction, so as to obtain a more accurate force of the detection discharging member in the horizontal direction, more precisely reflecting the situation of material jamming and improving the safety of the operation of the transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0058] Figure 1 A three-dimensional structural schematic diagram of the first embodiment of the material conveying system (including a material conveying jam detection device) provided by the present invention;

[0059] Figure 2 For Figure 1 The front view structural schematic diagram of the material conveying system in

[0060] Figure 3 For Figure 1 The top view structural schematic diagram of the material conveying system in

[0061] Figure 4 For Figure 1 The front view structural schematic diagram of an embodiment of the two-dimensional force measuring sensor structure in

[0062] Figure 5 ForFigure 1 Front view structural schematic diagram of another embodiment of the two-dimensional force sensor structure;

[0063] Figure 6 Front view structural schematic diagram of the second embodiment of the material conveying system provided by the present invention (including a material conveying jam detection device);

[0064] Figure 7 is Figure 6 Top view structural schematic diagram of the material conveying system;

[0065] Figure 8 Front view structural schematic diagram of the third embodiment of the material conveying system provided by the present invention (including a material conveying jam detection device);

[0066] Figure 9 Front view structural schematic diagram of the fourth embodiment of the material conveying system provided by the present invention (including a material conveying jam detection device);

[0067] Figure 10 Front view structural schematic diagram of the fifth embodiment of the material conveying system provided by the present invention (including a material conveying jam detection device);

[0068] Figure 11 Front view structural schematic diagram of the sixth embodiment of the material conveying system provided by the present invention (including a material conveying jam detection device).

[0069] Explanation of the reference numerals in the drawings:

[0070] Label Name Label Name 100 Material conveying jam detection device 355 Second pin - type force - measuring installation structure 1 Frame structure 3551 Second pin - type force - measuring sensor 11 Frame 3552 Second mounting hole 12 Main discharging part 3553 Second rolling bearing 2 Discharging assembly 361 First elastic rod 21 Detection discharging part 362 First strain - measuring element 3 Force - measuring sensor structure 363 Second elastic rod 3a Unidirectional force - measuring sensor structure 364 Third elastic rod 3b Two - dimensional force - measuring sensor structure 365 Second strain - measuring element 33 Force - measuring base 4 Support structure 34 Force - bearing part 41 Mounting plate 35 Component - force measuring structure 42 Rolling element 351 Force - transmitting rod 43 Support body 352 First pin - type force - measuring installation structure 44 Second rotating pair structure 3521 First pin - type force - measuring sensor 5 Hanging structure 3522 First mounting hole 51 Hanging body 3523 First rolling bearing 52 First rotating pair structure 353 Connecting rod 1000 Material conveying system 354 Load - bearing rod 200 Transmission assembly

[0071] For the realization of the object of the present invention, its functional features and excellent effects, further explanations will be given below in conjunction with specific embodiments and the drawings. Specific embodiments

[0072] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the 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 of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0073] It should be noted that if there are directional indications in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0074] In addition, if the descriptions such as "first" and "second" are involved in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments may be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0075] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise clearly defined and limited, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific situations.

[0076] In material conveying, the feeding of the silo to the conveyor belt is a common material transfer method. However, during the material transfer process, sometimes foreign objects such as large pieces of materials and long strip-shaped objects are stuck between the outlet of the silo and the receiving surface of the conveyor belt. If not detected and stopped in time for treatment, it will damage the silo hopper or the conveyor, causing accidents and poor production safety.

[0077] In view of the above problems, the inventor found that when a foreign object is stuck between the outlet of the silo and the receiving surface of the conveyor belt, the acting force between the silo and the conveyor belt is very complex and difficult to monitor. Considering that the vertical force is greatly fluctuated due to the influence of the material itself (such as particle size, dryness and humidity, etc.) or the discharging working condition, etc., and there are too many interference factors and it is not convenient to monitor, the inventor found that it is necessary to monitor the horizontal force of the hopper to reflect the material jamming situation.

[0078] In view of this, the present invention provides a material transmission system that can monitor the horizontal force of the hopper to reflect the material jamming situation. The material transmission system includes a material conveying jamming detection device. As long as the material transmission system includes the material conveying jamming detection device, it is within the protection scope of the present invention, wherein, Figures 1 to 11 It is a schematic diagram of an embodiment of the material transmission system provided by the present invention.

[0079] Please refer to Figure 1, the material conveying jam detection device 100 includes a frame structure 1, a discharging assembly 2, and a force measuring sensor structure 3. The discharging assembly 2 includes a detection discharging member 21 movably installed on the frame structure 1 in the horizontal direction. A material unloading channel extending in the vertical direction is formed on the detection discharging member 21 for unloading materials from the material unloading channel to a material conveying channel formed below the detection discharging member 21 and extending in the horizontal direction. The force measuring sensor structure 3 is installed between the detection discharging member 21 and the frame structure 1 to measure the force of the detection discharging member 21 in the horizontal direction.

[0080] In the technical solution provided by the present invention, the detection discharging member 21 is arranged to be movably installed on the frame structure 1 in the horizontal direction, reducing the interference of the force in the vertical direction of the detection discharging member 21 on the force in the horizontal direction. The force measuring sensor structure 3 measures the force of the detection discharging member 21 in the horizontal direction, so that the more accurate force of the detection discharging member 21 in the horizontal direction can be obtained, which more accurately reflects the situation of material jamming and improves the safety of the operation of the transmission system.

[0081] It should be noted that the horizontal direction referred to in the present invention is the direction consistent with the conveying direction of the material conveying channel in the horizontal plane. Of course, it can also be a direction with a certain angle with the horizontal plane, not limited to being completely in the horizontal plane. In addition, it should be noted that the discharging assembly 2 can correspond to a silo, a hopper, or a chute, which are all common material transfer components.

[0082] In addition, the specific structural form of the frame structure 1 is not limited in the embodiments of the present invention. For example, it can be a separate frame 11, or in the case of a high hopper, the frame structure 1 includes a frame 11 and a main discharging member 12. Specifically, in one embodiment, please refer to Figure 9 , the frame structure 1 includes a frame 11 and a main discharging member 12 provided on the frame 11. A material falling channel is formed in the main discharging member 12, and the material falling channel communicates with the material unloading channel. The force measuring sensor structure 3 is provided between the main discharging member 12 and the detection discharging member 21, or the force measuring sensor structure 3 is provided between the detection discharging member 21 and the frame 11. Separating the detection discharging member 21 for only detection use can obtain a more accurate force in the horizontal direction and more accurately reflect the situation of material jamming.

[0083] The detection and discharge member 21 can be directly installed on the frame 11 or directly installed on the main discharge member 12, without limitation here. When the detection and discharge member 21 is movably installed horizontally on the frame structure 1, relevant support structures 4 and / or hanging structures 5 need to be provided to limit the downward displacement of the detection and discharge member 21, so that the stiffness of the detection and discharge member 21 in the horizontal direction is relatively small compared to the stiffness in the vertical direction, and the influence on the detection of the horizontal force received by the detection and discharge member 21 is very small. It should be noted that during the force measurement process, the force measurement sensor structure 3 can serve as both the support structure 4 and the hanging structure 5, which is convenient for the installation of the detection and discharge member 21 while measuring the force. In addition, the support structure 4 and the hanging structure 5 can be selected alternatively or simultaneously. Hereinafter, only the cases of separately providing the support structure 4 and the hanging structure 5 will be taken as examples for illustration.

[0084] In one embodiment, please refer to Figure 2 、 Figure 3 、 Figures 6 to 8 simultaneously. The material conveying jam detection device 100 further includes a support structure 4. The support structure 4 is disposed between the frame structure 1 and the detection and discharge member 21 to support the detection and discharge member 21 on the frame structure 1. By providing the support structure 3, the detection and discharge member 21 can be supported conveniently, with good effects.

[0085] In the embodiments of the present invention, the specific structural form of the support structure 3 is not limited. In one embodiment, the support structure 4 includes a first support portion and a second support portion that are relatively movably installed horizontally. The first support portion and the second support portion are respectively disposed on the frame structure 1 and the detection and discharge member 21. With such a setting, the stiffness of the detection and discharge member 21 in the horizontal direction is relatively small compared to the stiffness in the vertical direction, and the influence on the detection of the horizontal force received by the detection and discharge member 21 is very small, so that the horizontal force can be obtained more accurately, and the situation of material jamming can be more accurately reflected.

[0086] The present invention does not limit the specific structural forms of the first support portion and the second support portion. For example, they can be two rigid plates extending horizontally, and then grease or the like is provided between the two rigid plates. Or one can be a rigid plate and the other can be a flexible material such as a rubber plate. In one embodiment, among the first support portion and the second support portion, one is a horizontally extending mounting plate 41, and the other is a rolling body 42 rotatably installed along the horizontal axis. The outer side surface of the rolling body 42 is in rolling contact with the mounting plate 41. By adopting the rolling contact method, the friction between the mounting plate 41 and the rolling body 42 is very small, which is convenient for the movement of the detection and discharge member 21.

[0087] It should be noted that the rolling elements 42 are installed in the form of a combination of a bearing housing, a bearing, and a mounting shaft, which are widely used in the prior art and will not be described in detail here.

[0088] In another embodiment, please refer to Figure 8 , the support structure 3 includes a support body and two second rotating pair structures 44. The support body 43 extends in the vertical direction. Among the two second rotating pair structures 44, one is disposed between one end of the support body 43 and the frame structure 1, and the other is disposed between the other end of the support body 43 and the detection and unloading member 21. Through the cooperation between the support body 43 and the two second rotating pair structures 44, the influence on the detection of the horizontal force received by the detection and unloading member 21 is very small, and a more accurate horizontal force can be obtained, more precisely reflecting the situation of material jamming.

[0089] It should be noted that the second rotating pair structure 44 can be a pin shaft and a mounting hole that are rotatably fitted to each other, or structures such as bearings can be provided between the pin shaft and the mounting hole.

[0090] In one embodiment, please refer to Figures 9 to 11 , the material conveying jamming detection device 100 further includes a hanging structure 5. The hanging structure 5 is disposed between the frame structure 1 and the detection and unloading member 21 for hanging the detection and unloading member 21 on the frame structure 1. By providing the hanging structure 5, the detection and unloading member 21 can be conveniently hung, with good results.

[0091] In the embodiments of the present invention, the specific structural form of the hanging structure 5 is not limited. For example, it can be a hanging rope or a chain. In one embodiment, the hanging structure 5 includes a hanging body 51 and two first rotating pair structures 52. The hanging body 51 extends in the vertical direction. Among the two first rotating pair structures 52, one is disposed between one end of the hanging body 51 and the frame structure 1, and the other is disposed between the other end of the hanging body 51 and the detection and unloading member 21. Through the cooperation between the hanging body 51 and the two first rotating pair structures 52, the influence on the detection of the horizontal force received by the detection and unloading member 21 is very small, and a more accurate horizontal force can be obtained, more precisely reflecting the situation of material jamming.

[0092] It should be noted that the first rotating pair structure 52 can be a pin shaft and a mounting hole that are rotatably fitted to each other, or structures such as bearings can be provided between the pin shaft and the mounting hole.

[0093] Please refer to Figure 3 and Figure 8, the force measuring sensor structure 3 measures the force on the detection and unloading member 21 in the horizontal direction. A two-dimensional force measuring sensor structure 3b or a one-way force measuring sensor structure 3a, or a combination of both, can be used for measurement. In one embodiment, a plurality of the force measuring sensor structures 3 are provided. There is no limitation on whether the force measuring sensor structure 3 is the one-way force measuring sensor structure 3a or the two-dimensional force measuring sensor structure 3b. The plurality of the force measuring sensor structures 3 are arranged at intervals along the circumferential direction of the detection and unloading member 21. By providing the plurality of the force measuring sensor structures 3, the horizontally measured forces are combined respectively to obtain a more accurate horizontal force, which has a better effect.

[0094] When the force measuring sensor structure 3 is the one-way force measuring sensor structure 3a, in one embodiment, please refer to Figures 6 to 7 , the one-way force measuring sensor structure 3a includes a tensile and compressive force measuring sensor or a pin-type force measuring sensor. The tensile and compressive force measuring sensor needs to be installed horizontally to bear the horizontal tensile force and / or pressure. The pin-type force measuring sensor needs to be arranged in the installation hole. One of the pin-type force measuring sensor and the installation hole is arranged on the detection and unloading member 21, and the other is arranged on the frame structure 1. With such a setting, the horizontal force on the detection and unloading member 21 can be measured through a simple force measuring structure, which has a better effect.

[0095] When the two-dimensional force measuring sensor structure 3b measures the horizontal force, it not only plays a role in force measurement but also plays a supporting role. In the present invention, the two-dimensional force measuring sensor structure 3b can be a two-dimensional measuring sensor widely used in the prior art. In one embodiment, please refer to Figures 2 to 5, the two-dimensional force sensor structure 3b includes a force measuring base 33, a force bearing member 34, and at least two component force measuring structures 35. The force bearing member 34 is arranged at a distance from the force measuring base 33 in the up-and-down direction. A cross-section of the force bearing member 34 extending in the up-and-down direction is a force measuring surface. The force bearing member 34 is used to bear the two-dimensional force to be measured within or parallel to the force measuring surface. Among the at least two component force measuring structures 35, each component force measuring structure 35 has two connecting parts opposite to each other within the force measuring surface. One of the connecting parts is arranged on the force bearing member 34, and the other connecting part is arranged on the force measuring base 33. A first force measuring direction is formed between the two connecting parts of one of the component force measuring structures 35, which is used to measure the value of the first one-way force distributed by the two-dimensional force to be measured along the first force measuring direction. A second force measuring direction is formed between the two connecting parts of the other component force measuring structure 35, which is arranged at an angle to the first force measuring direction, and is used to measure the value of the second one-way force distributed by the two-dimensional force to be measured along the second force measuring direction. Among them, the two-dimensional force to be measured is synthesized according to the first force measuring direction, the value of the first one-way force, the second force measuring direction, and the value of the second one-way force. The two-dimensional force within the force measuring surface is decomposed into horizontal component forces. One of the force measuring base 33 and the force bearing member 34 is installed on the detection and unloading member 21, and the other is installed on the frame structure 1. The two-dimensional force to be measured is formed between the detection and unloading member 21 and the frame structure 1.

[0096] Since the two-dimensional force sensor structure 3b not only plays a role in force measurement but also plays a supporting role, therefore, the two-dimensional force to be measured measured by the two-dimensional force sensor structure 3b is the resultant force within the up-and-down plane. By decomposing the two-dimensional force to be measured into the first one-way force distributed along the first force measuring direction and the second one-way force distributed along the second force measuring direction, the component force measuring structure 35 measures the value of the first one-way force and the value of the second one-way force respectively. The two-dimensional force to be measured is synthesized according to the first force measuring direction, the value of the first one-way force, the second force measuring direction, and the value of the second one-way force. The two-dimensional force within the force measuring surface is decomposed into horizontal component forces. With such a setting, the influence of the up-and-down force on the detection and unloading member 21 is excluded, which is convenient for quickly obtaining the horizontal force on the detection and unloading member 21, and has a good effect. In addition, the influence of the measurement cross-talk between dimensions is reduced, and the measurement accuracy is improved.

[0097] It should be noted that the angle between the first force measuring direction and the second measuring direction is a fixed value, for example, an acute angle, a right angle, or an obtuse angle, etc. Of course, according to actual needs, the size of the angle can be adjusted to adapt to different force measurement requirements.

[0098] In the embodiments of the present invention, the specific structural form of the component force measurement structure 35 is not limited. For example, the component force measurement structure 35 can be directly set as a force measurement sensor, or a related unidirectional force measurement structure can be adopted. Specifically, in one embodiment, at least one of the component force measurement structures 35 includes a tensile force measurement sensor or a pressure measurement sensor. The two mounting ends of the tensile force measurement sensor or the pressure measurement sensor correspond to the two connecting parts. The two ends of the tensile force measurement sensor or the pressure measurement sensor are directly arranged between the load-bearing member 34 and the force measurement base 33. With such an arrangement, the structure is simple. It should be noted that the connection modes between the two connecting parts and the load-bearing member 34 and the force measurement base 33 can be hinge connections or fixed connections.

[0099] In one embodiment, please refer to Figure 2 and Figure 4 , at least one of the component force measurement structures 35 includes a pin-type force measurement structure. The pin-type force measurement structure includes a force transmission rod 351 and a first pin-type force measurement installation structure 352. The two end parts of the force transmission rod 351 correspond to the two connecting parts. The first pin-type force measurement installation structure 352 includes a first pin-type force measurement sensor 3521 and a first installation hole 3522 that are rotatably matched with each other. Among the first pin-type force measurement sensor 3521 and the first installation hole 3522, one is arranged at one end of the force transmission rod 351, and the other is arranged at the force measurement base. By setting the pin-type force measurement structure, the structure is stable and the measurement accuracy is improved.

[0100] Furthermore, for the convenience of structural layout, in one embodiment, both of the two component force measurement structures 35 include the pin-type force measurement structure. The connecting parts of the force transmission rods 351 of the two pin-type force measurement structures are connected as a whole. The two force transmission rods 351 can be set in the form of a force transmission plate or a force transmission seat, that is, the measurement of the unidirectional force in the first force measurement direction and the second force measurement direction is realized on one component. With such an arrangement, the structure is simple and convenient for measurement.

[0101] In order to accurately obtain the component forces in two force measurement directions, in one embodiment, one of the component force measurement structures 35 includes the pin - type force measurement structure, and the other component force measurement structure 35 includes a connecting rod 353, a bearing rod 354, and a second pin - type force measurement installation structure 355. The connecting rod 353 is integrally connected to the force - transmitting rod 351. One end of the connecting rod 353 is a connecting portion, and one end of the bearing rod 354 is hingedly installed at the other end of the connecting rod 353. The other end of the bearing rod 354 is another connecting portion. The second pin - type force measurement installation structure 355 includes a second pin - type force sensor 3551 and a second installation hole 3552 that are rotatably matched with each other. Among the second pin - type force sensor 3551 and the second installation hole 3552, one is provided at the hinged end of the connecting rod 353 and / or the other end of the bearing rod 354, and the other is correspondingly provided at the hinged end of the bearing rod 354 and / or the force - measuring base 33. With such a setting, the force - measurement structures in two force - measurement directions are differentiated, which can further reduce the influence of mutual crosstalk between the two component forces, further improve the measurement accuracy, and have a good effect.

[0102] In one embodiment, a first rolling bearing 3523 is provided between the first pin - type force sensor 3521 and the first installation hole 3522, and / or a second rolling bearing 3553 is provided between the second pin - type force sensor 3551 and the second installation hole 3552. By setting the rolling bearings, the additional force between the force - bearing member 34 and the force - transmitting members is greatly reduced, and the accuracy of the sensor is further improved. It should be noted that the first rolling bearing 3523 and the second rolling bearing 3553 can be selected alternatively or simultaneously.

[0103] In one embodiment, please refer to Figure 2 and Figure 5 , at least one of the component force measurement structures 35 includes a strain - type force measurement structure. The strain - type force measurement structure includes a first elastic rod 361 and a first strain measurement element 362. The two end portions of the first elastic rod 361 correspond to the two connecting portions. The first strain measurement element 362 is provided on the first elastic rod 361, and the deformation direction of the first strain measurement element 362 is the same as the force - measurement direction formed between the two connecting portions. By measuring the elastic deformation amount of the first elastic rod 361 due to the applied force by the first strain measurement element 362 and converting the deformation amount into a corresponding force value, the magnitude of the component force can be obtained. With such a setting, the first strain measurement element 362 only measures uniaxial force, has high measurement accuracy, is convenient for measuring the component force in the force - measurement direction, and has a good effect.

[0104] One of the two component force measurement structures 35 may be the strain force measurement structure, the other may directly be the tension or pressure sensor, or may also be the pin shaft force measurement structure. In one embodiment, both of the two component force measurement structures 35 include the strain force measurement structure, and the connecting parts of the first elastic rods 361 of the two strain force measurement structures are connected as a whole. The two first elastic rods 361 may be arranged in the form of an elastic force transmission plate or a force transmission seat, that is, the measurement of the unidirectional force in the first force measurement direction and the second force measurement direction is realized on one component. With such a setting, the structure is simple and convenient for measurement.

[0105] In order to accurately obtain the component forces in the two force measurement directions, in one embodiment, one of the component force measurement structures 35 includes the strain force measurement structure, and the other strain force measurement structure includes a second elastic rod 363, a third elastic rod 364, and a second strain measurement element 365. The second elastic rod 363 is connected to the first elastic rod 361 as a whole. One end of the first elastic rod 361 is one of the connecting parts. One end of the second elastic rod 363 is hingedly installed at the other end of the second elastic rod 363. The other end of the third elastic rod 364 is the other connecting part. The second strain measurement element is arranged on the second elastic rod 363 and / or on the third elastic rod 364. The deformation direction of the second strain measurement element 365 is the same as the force measurement direction formed between the two connecting parts. With such a setting, the force measurement structures in the two force measurement directions are differentiated, which can further reduce the influence of crosstalk between the two component forces and further improve the measurement accuracy, having a better effect.

[0106] Here, it needs to be further emphasized that in the embodiments of the present invention, when the support structure 4, the hanging structure 5, and the force measurement sensor structure 3 need to cooperate to movably install the detection and unloading member 21 horizontally on the frame structure 1, it can also facilitate the measurement of the force in the horizontal direction of the detection and unloading member 21. The above-mentioned support structure 4, hanging structure 5, and force measurement sensor structure 3 are evenly distributed in the circumferential direction of the detection and unloading member 21. For example, when the force measurement sensor structure 3 is a unidirectional force measurement sensor structure 3a, at this time, the force measurement sensor structure 3 only serves as a force measurement structure and does not serve as the installation structure of the detection and unloading member 21. At this time, at least more than 3 of the support structure 4 and the hanging structure 5 need to be jointly provided. For example, at this time, more than 3 of the support structure 4 can be directly provided, or more than 3 of the hanging structure 5 can be directly provided, or the sum of the two together is more than 3. Of course, more are also within the scope of the present invention.

[0107] When the force measuring sensor structure 3 is a two-dimensional force measuring sensor structure 3b, the two-dimensional force measuring sensor structure 3b at this time serves as both a force measuring structure and an installation structure for the detection and unloading member 21. At this time, at least more than 3 of the support structure 4, the hanging structure 5, and the two-dimensional force measuring sensor structure 3b need to be provided together. For example, when 1 two-dimensional force measuring sensor structure 3b is provided, at this time, more than 2 support structures 4 can be directly provided, or more than 2 hanging structures 5 can be directly provided, or the sum of the two together is more than 2; when 2 two-dimensional force measuring sensor structures 3b are provided, at this time, more than 1 support structure 4 can be directly provided, or more than 1 hanging structure 5 can be directly provided; when 3 two-dimensional force measuring sensor structures 3b are provided, at this time, neither the support structure 4 nor the hanging structure 5 needs to be provided, or multiple of both can be provided, and there is no restriction here. Of course, there are more other combination methods, all within the protection scope of the present invention.

[0108] In addition, in the embodiment where the frame structure 1 includes a frame 11 and a main unloading member 12, the specific installation positions of the above-mentioned support structure 4, hanging structure 5, and the force measuring sensor structure 3 are not limited, and can be a combination of various installation forms, all within the protection scope of the present invention, and will not be described in detail one by one here.

[0109] In addition, it should be noted that the material conveying system 1000 provided in the present invention further includes a transmission component 200. A material conveying channel is formed on the transmission component 200. Common transmission components 200 include forms such as conveyor belts and conveyor plates.

[0110] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structures made by using the specification and drawings of the present invention, directly or indirectly applied in other related technical fields, are similarly included in the patent protection scope of the present invention.

Claims

1. A material conveying jam detection device, characterized in that, it includes: a frame structure; a discharging assembly, including a detection discharging member movably installed on the frame structure in the horizontal direction, a material unloading channel extending vertically is formed on the detection discharging member for unloading materials from the material unloading channel to a material conveying channel formed below the detection discharging member and extending horizontally; and, a force measuring sensor structure installed between the detection discharging member and the frame structure for measuring the force of the detection discharging member in the horizontal direction; the force measuring sensor structure includes a two-dimensional force measuring sensor structure, and the two-dimensional force measuring sensor structure includes: a force measuring base; a force bearing member arranged at an interval from the force measuring base in the vertical direction, the force bearing member extends vertically to form a force measuring surface in cross-section, and the force bearing member is used to bear a two-dimensional force to be measured within or parallel to the force measuring surface; and, at least two component force measuring structures, each of the component force measuring structures has two connecting parts opposite to each other within the force measuring surface, one of the connecting parts is arranged on the force bearing member, the other connecting part is arranged on the force measuring base, a first force measuring direction is formed between the two connecting parts of one of the component force measuring structures for measuring the value of the first unidirectional force of the two-dimensional force to be measured distributed along the first force measuring direction, and a second force measuring direction is formed between the two connecting parts of the other component force measuring structure and is arranged at an angle with the first force measuring direction for measuring the value of the second unidirectional force of the two-dimensional force to be measured distributed along the second force measuring direction; wherein, the two-dimensional force to be measured is synthesized according to the first force measuring direction, the value of the first unidirectional force, the second force measuring direction, and the value of the second unidirectional force, and the two-dimensional force within the force measuring surface is decomposed into a component force in the horizontal direction; in the force measuring base and the force bearing member, one of them is installed on the detection discharging member, and the other is installed on the frame, and the two-dimensional force to be measured is formed between the detection discharging member and the frame; the frame structure includes a frame and a main discharging member arranged on the frame, a material falling channel is formed in the main discharging member, the material falling channel communicates with the material unloading channel, and the force measuring sensor structure is arranged between the main discharging member and the detection discharging member, or the force measuring sensor structure is arranged between the detection discharging member and the frame.

2. The material conveying jam detection device according to claim 1, characterized in that, the material conveying jam detection device further includes a hanging structure arranged between the frame structure and the detection discharging member for hanging the detection discharging member on the frame structure; and / or, the material conveying jam detection device further includes a supporting structure arranged between the frame structure and the detection discharging member for supporting the detection discharging member on the frame structure.

3. The material conveying jam detection device according to claim 2, characterized in that, The hanging structure includes a hanging body and two first rotating pair structures. The hanging body extends in the vertical direction. One of the first rotating pair structures is disposed between one end of the hanging body and the frame structure, and the other is disposed between the other end of the hanging body and the detection and discharging member; and / or, A plurality of the hanging structures are provided and arranged circumferentially along the detection and discharging member; and / or, A plurality of the support structures are provided and arranged circumferentially along the detection and discharging member.

4. The material conveying jam detection device according to claim 2, wherein, The support structure includes a first support portion and a second support portion that are relatively movably installed in the horizontal direction. The first support portion and the second support portion are respectively disposed on the frame structure and the detection and discharging member; or, The support structure includes a support body and two second rotating pair structures. The support body extends in the vertical direction. One of the second rotating pair structures is disposed between one end of the support body and the frame structure, and the other is disposed between the other end of the support body and the detection and discharging member.

5. The material conveying jam detection device according to claim 4, wherein, Among the first support portion and the second support portion, one is a mounting plate extending in the horizontal direction, and the other is a rolling body that can rotate in the horizontal direction. The outer side surface of the rolling body is in rolling contact with the mounting plate.

6. The material conveying jam detection device according to claim 1, wherein, A plurality of the force measuring sensor structures are provided and arranged circumferentially along the detection and discharging member; and / or, The force measuring sensor structure includes a unidirectional force measuring sensor structure.

7. The material conveying jam detection device according to claim 1, wherein, At least one of the component force measuring structures includes a pin shaft type force measuring structure, and the pin shaft type force measuring structure includes: A force transmission rod, and the two end portions of the force transmission rod are respectively two of the connection portions; and, A first pin shaft type force measuring installation structure, including a first pin shaft type force measuring sensor and a first installation hole that are rotatably engaged with each other. Among the first pin shaft type force measuring sensor and the first installation hole, one is disposed at one end of the force transmission rod, and the other is disposed on the force measuring base.

8. The material conveying jam detection device according to claim 7, wherein, One of the component force measuring structures includes the pin shaft type force measuring structure, and the other component force measuring structure includes: A connecting rod, which is integrally connected with the force transmission rod, and one end of the connecting rod is one of the connection portions; A bearing rod, one end of the bearing rod is rotatably connected to the other end of the connecting rod, and the other end of the bearing rod is the other connection portion; and, A second pin shaft type force measuring installation structure, including a second pin shaft type force measuring sensor and a second installation hole that are rotatably engaged with each other. Among the second pin shaft type force measuring sensor and the second installation hole, one is disposed at the rotating end of the connecting rod and / or the other end of the bearing rod, and the other is correspondingly disposed at the rotating end of the bearing rod and / or the force measuring base.

9. A material conveying system, wherein, comprising: Material conveying jam detection device, where the material conveying jam detection device is the material conveying jam detection device described in any one of claims 1 to 8; And, A transmission component, on which the material conveying channel is formed.

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