Conveyor hopper blockage early warning device

Abstract

The utility model discloses a conveyor hopper blocking early warning device which comprises a conveyor, a hopper and an early warning mechanism, the top of the hopper is provided with a top cover, one side of the hopper is provided with a feeding port, the discharging end of the conveyor extends into the feeding port, the early warning mechanism comprises a movable seat, an inductive switch, a swing rod and an alarm, the movable seat is movably arranged on the top cover, and the inductive switch is arranged on the top cover. The inductive switch is arranged on the moving seat and electrically connected with the alarm, a hinge part is arranged between the two ends of the swing rod and hinged to the moving seat, one end of the hinge part is provided with a touch part used for touching the inductive switch, and the other end of the hinge part droops in the hopper to form a pushing and swinging part pushed and swung by materials. According to the conveyor hopper blockage early warning device, the situation that timely alarming cannot be achieved and the early warning device fails is avoided, and adjustability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying equipment technical field, concretely relates to a conveyor hopper material blocking early warning device. BACKGROUND

[0002] At present, the belt conveyor is more and more used to convey materials in the mining industry, especially in the running process, when the instantaneous flow of materials is too large, the materials are wet, foreign matters such as branches appear or the head belt conveyor appears the abnormal condition such as skidding, the material blocking phenomenon is prone to occur in the head hopper, when the information transmission is not timely, and there is no corresponding early warning device, the belt conveyor will continuously convey materials, resulting in the rapid accumulation of materials in the head hopper and the overflow, and even the abrasion of equipment; at the same time, a large amount of time needs to be spent to restore the equipment and clean up the scene.

[0003] The Chinese patent document with the application number 201720197122.3 discloses a discharging cylinder material blocking detection device, which comprises a head cover vertically arranged on the upper edge of the discharging cylinder, and further comprises a material blocking door with the upper edge hinged to the head cover; an induction iron rod is arranged on the material blocking door, and a metal induction switch is arranged above the material blocking door and cooperates with the induction iron rod. The discharging cylinder material blocking detection device has the following disadvantages: the material blocking door is hinged to the side door of the head cover, and is opened outward to make the induction iron rod cooperate with the metal induction switch to trigger the alarm, the door opening of the material blocking door is also easily blocked by foreign matters such as branches, so that the materials cannot be discharged from the door opening to push the material blocking door, thereby causing the failure to realize timely alarm, that is, the detection device is invalid. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a conveyor hopper material blocking early warning device which can avoid the failure to realize timely alarm and has good adjustability.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A conveyor hopper material blocking early warning device, comprising a conveyor, a hopper and an early warning mechanism, the top of the hopper is provided with a top cover, one side of the hopper is provided with a feeding port, the discharging end of the conveyor extends into the feeding port, the early warning mechanism comprises a moving seat, an induction switch, a swing rod and an alarm, the moving seat is movably arranged on the top cover, the induction switch is arranged on the moving seat and is electrically connected with the alarm, the swing rod is provided with a hinge part between the two ends, the hinge part is hinged to the moving seat, one end of the hinge part is provided with a touch part for touching the induction switch, and the other end of the hinge part is downwardly arranged in the hopper to form a push and swing part pushed and swung by the materials.

[0007] As a further improvement of the above technical scheme:

[0008] The top cover is provided with a guide rail, and the moving seat is slidably arranged on the guide rail.

[0009] The guide rail is perpendicular to the feeding direction of the feeding port.

[0010] The guide rail is arranged on the outer wall of the top cover, the top cover is provided with a avoiding slot, the avoiding slot is located on the side of the guide rail facing the feeding port and extends along the length direction of the guide rail, and the swing rod is arranged in the avoiding slot.

[0011] The guide rail is T-shaped, the moving seat is provided with a T-shaped slot, and the T-shaped slot is slidably connected with the guide rail.

[0012] The moving seat is provided with a locking piece for locking the moving seat to the top cover.

[0013] The locking piece is a locking screw.

[0014] The side of the moving seat facing the swing rod is provided with an elastic blocking assembly, and the elastic blocking assembly is used for blocking the swing rod to keep the swing rod in an inclined state.

[0015] The elastic blocking assembly comprises a blocking block and a spring, the moving seat is provided with a sliding rail, the blocking block is slidably arranged on the sliding rail, and the spring is arranged between the blocking block and the moving seat.

[0016] The top cover is provided with a PLC control module, and the alarm, the inductive switch and the conveyor are electrically connected with the PLC control module.

[0017] Compared with the prior art, the advantages of the utility model lie in that:

[0018] When the material in the hopper is blocked, the material pushes the swing rod to make the swing rod rotate until the alarm is triggered by the alarm device, so that the working personnel can be reminded to shut down and clean the blocked material in time. On the one hand, the early warning mechanism is arranged on the top cover, so that the swing rod can be pushed by the material, and the swing rod is not easily affected by foreign matters such as branches, so that timely alarm and failure of the early warning device can be avoided. On the other hand, the swing rod can be adjusted in position along with the moving seat, for example, in the case that there are many foreign matters, the swing rod is adjusted to one side along with the moving seat, so that the branches and other foreign matters are prevented from entering, and for example, in the case that there are few foreign matters or no foreign matter, the swing rod is adjusted to the middle along with the moving seat, so that the swing rod can be pushed in time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a front view structural schematic diagram of the utility model conveyor hopper blocked material early warning device.

[0020] Figure 2 is Figure 1 is an enlarged structural schematic diagram of A in the middle.

[0021] Figure 3 is Figure 2 An enlarged structural schematic view at B in the figure.

[0022] Figure 4 Is the structure schematic view of the material pushing and swinging state of the swing rod of the conveyor hopper material blocking early warning device.

[0023] Figure 5 is Figure 4 An enlarged structural schematic view at C in the figure.

[0024] Figure 6 Is the top view structural schematic view of the conveyor hopper material blocking early warning device.

[0025] The various reference signs in the figure represent:

[0026] 1, conveyor; 2, hopper; 21, top cover; 211, guide rail; 212, avoiding notch; 22, feeding port; 3, early warning mechanism; 31, moving seat; 311, T-shaped groove; 312, sliding rail; 32, induction switch; 33, swing rod; 331, hinged part; 332, touching part; 333, pushing and swinging part; 4, material; 5, locking piece; 6, elastic blocking assembly; 61, blocking block; 62, spring; 7, PLC control module. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail below in combination with the drawings and specific embodiments.

[0028] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0030] In the utility model, unless another definite provision and limitation, the terms "assemble", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Figures 1 to 6 An embodiment of the utility model conveyor hopper material blocking early warning device is shown, the conveyor hopper material blocking early warning device of this embodiment, including conveyor 1, hopper 2 and early warning mechanism 3, the top of hopper 2 is equipped with top cover 21, one side of hopper 2 is equipped with feed inlet 22, the discharge end of conveyor 1 is inserted into feed inlet 22, early warning mechanism 3 includes mobile seat 31, inductive switch 32, swing lever 33 and alarm, mobile seat 31 is movably arranged on top cover 21, inductive switch 32 is arranged on mobile seat 31 and is electrically connected with alarm, the both ends of swing lever 33 are equipped with hinged part 331, hinged part 331 is hinged on mobile seat 31, one end of hinged part 331 is equipped with touching part 332 for touching inductive switch 32, and the other end is hung in hopper 2 and forms the push and swing part 333 that is pushed and swung by material 4.

[0032] When the material 4 in hopper 2 is blocked, as the material 4 increases, the material 4 pushes and swings part 333, and makes swing lever 33 rotate until touching part 332 touches inductive switch 32 to make alarm alarm, timely remind working person machine and clean up the blocking material.On the one hand, since early warning mechanism 3 is arranged on top cover 21, the material 4 increases and can push swing lever 33, and it is not easy to be affected by foreign matter such as branches, to avoid that timely alarm and early warning device cannot be realized and fail;On the other hand, good adjustment, swing lever 33 can be adjusted to position with mobile seat 31, for example, for the condition that foreign matter can be more, swing lever 33 is adjusted to one side position with mobile seat 31, to avoid blocking foreign matter such as branches, and for the condition that foreign matter can be less or no foreign matter, swing lever 33 is adjusted to the middle with mobile seat 31, to improve the timeliness of swing lever 33 being pushed.

[0033] Further, in the embodiment, top cover 21 is provided with guide rail 211, and mobile seat 31 is slidably arranged on guide rail 211.Mobile seat 31 moves stably along guide rail 211.

[0034] Further, as shown in Figure 6 In the embodiment, guide rail 211 is perpendicular to the in-out direction of feed inlet 22.Of course, in other embodiments, guide rail 211 can also be arranged at an angle with the in-out direction of feed inlet 22.

[0035] Further, in the embodiment, the guide rail 211 is arranged on the outer wall of the top cover 21, the top cover 21 is provided with an avoiding slot 212, the avoiding slot 212 is located on the side of the guide rail 211 facing the feeding port 22 and extends along the length direction of the guide rail 211, and the swing lever 33 is arranged in the avoiding slot 212. The guide rail 211 is arranged on the outer wall of the top cover 21, so that the material 4 in the hopper 2 does not affect the guide rail 211.

[0036] Further, as shown in Figure 2 and Figure 5 in the embodiment, the guide rail 211 is in T shape, the moving seat 31 is provided with a T-shaped slot 311, and the T-shaped slot 311 is in sliding fit with the guide rail 211. Of course, in other embodiments, the guide rail 211 can also be in dovetail shape, and the moving seat 31 is provided with a dovetail slot matched with the guide rail 211.

[0037] Further, in the embodiment, the moving seat 31 is provided with a locking piece 5 for locking the moving seat 31 to the top cover 21. After the moving seat 31 is adjusted to a position along the guide rail 211, the position is locked by the locking piece 5. Preferably, the locking piece 5 is a locking screw, which can be locked and unlocked by rotation, and is convenient to operate.

[0038] Further, as shown in Figure 3 in the embodiment, the moving seat 31 is provided with an elastic blocking assembly 6 on the side facing the swing lever 33, and the elastic blocking assembly 6 is used for blocking the swing lever 33 to keep the swing lever 33 in the inclined state. The elastic blocking assembly 6 is used for blocking the swing lever 33 to keep the swing lever 33 in the inclined state, so as to prevent the swing lever 33 from being in the vertical state and sagging, thereby preventing the material 4 from being vertically increased and unable to push the swing lever 33. The elastic blocking assembly 6 can also have an elastic force storage function, and can store and release elastic force after being impacted by the swing lever 33, so as to vibrate the swing lever 33, which is helpful to reduce the blocking effect on foreign matters.

[0039] Further, in the embodiment, the elastic blocking assembly 6 includes a blocking block 61 and a spring 62, the moving seat 31 is provided with a sliding rail 312, the blocking block 61 is slidably arranged on the sliding rail 312, and the spring 62 is arranged between the blocking block 61 and the moving seat 31. The blocking block 61 is stretched to the upper side of the avoiding slot 212 under the elastic force of the spring 62, and is used for blocking the swing lever 33 to keep the swing lever 33 in the inclined state. Preferably, the two ends of the spring 62 are fixedly connected with the blocking block 61 and the moving seat 31 respectively.

[0040] Further, in the embodiment, the top cover 21 is provided with a PLC control module 7, the alarm, the inductive switch 32 and the conveyor 1 are electrically connected with the PLC control module 7. The inductive switch 32 is touched by the touch part 332, so that the alarm alarms and the conveyor 1 stops at the same time. The touch signal of the inductive switch 32 can be transmitted to the alarm and the conveyor 1 through the PLC control module 7, so that the alarm alarms and the conveyor 1 stops at the same time. The PLC control module 7, the alarm and the inductive switch 32 are all common components purchased in the market, and can be connected through a conventional electric connection.

[0041] Although the present application has been disclosed with the preferred embodiments, it is not intended to limit the present application. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application by using the disclosed technical contents, or modify equivalent embodiments with equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application should fall within the scope of protection of the technical scheme of the present application.

Claims

1. A kind of conveyor hopper material blocking early warning device, including conveyor (1), hopper (2) and early warning mechanism (3), the top of the hopper (2) is equipped with top cover (21), one side of the hopper (2) is equipped with feed inlet (22), the discharge end of the conveyor (1) is inserted into feed inlet (22), it is characterized by: The early warning mechanism (3) comprises a moving seat (31), an inductive switch (32), a swing lever (33) and an alarm, the moving seat (31) is movably arranged on the top cover (21), the inductive switch (32) is arranged on the moving seat (31) and electrically connected with the alarm, the swing lever (33) is provided with a hinged part (331) between two ends thereof, the hinged part (331) is hinged on the moving seat (31), one end of the hinged part (331) is provided with a touching part (332) for touching the inductive switch (32), and the other end thereof is hung in the hopper (2) to form a swing part (333) which is swung by the material (4).

2. The conveyor hopper blockage early warning device of claim 1, wherein: The top cover (21) is provided with a guide rail (211), and the moving seat (31) is slidably arranged on the guide rail (211).

3. The conveyor hopper blockage early warning device of claim 2, wherein: The guide rail (211) is perpendicular to the feeding direction of the feeding port (22).

4. The conveyor hopper blockage early warning device of claim 2, wherein: The guide rail (211) is arranged on the outer wall of the top cover (21), the top cover (21) is provided with an avoiding slot (212), the avoiding slot (212) is located on the side of the guide rail (211) facing the feeding port (22) and extends along the length direction of the guide rail (211), and the swing lever (33) is arranged in the avoiding slot (212).

5. The conveyor hopper blockage early warning device of claim 2, wherein: The guide rail (211) is in T shape, the moving seat (31) is provided with a T-shaped slot (311), and the T-shaped slot (311) is in sliding fit with the guide rail (211).

6. The conveyor hopper blockage early warning device of claim 1, wherein: The moving seat (31) is provided with a locking piece (5) for locking the moving seat (31) to the top cover (21).

7. The conveyor hopper blockage early warning device of claim 6, wherein: The locking piece (5) is a locking screw.

8. The conveyor hopper blockage early warning device of any one of claims 1 to 7, wherein: The side of the moving seat (31) facing the swing lever (33) is provided with an elastic blocking assembly (6), and the elastic blocking assembly (6) is used for blocking the swing lever (33) to keep the swing lever (33) in an inclined state.

9. The conveyor hopper blockage early warning device of claim 8, wherein: The elastic blocking assembly (6) comprises a blocking block (61) and a spring (62), the moving seat (31) is provided with a sliding rail (312), the blocking block (61) is slidably arranged on the sliding rail (312), and the spring (62) is arranged between the blocking block (61) and the moving seat (31).

10. The conveyor hopper blockage pre-alarm device of any one of claims 1 to 6, wherein: The top cover (21) is provided with a PLC control module (7), and the alarm, the inductive switch (32) and the conveyor (1) are electrically connected with the PLC control module (7).

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