Blockage alarm device, bucket elevator and limestone conveying system
By installing a material blocking alarm device on the bucket lifter, using the design of the feeding plate and alarm parts, the alarm is triggered when the material reaches the preset weight, which solves the problem of equipment tripping and maintenance difficulty caused by the bucket lifter blocking, and achieves the safe and stable operation of the equipment and the improvement of maintenance efficiency.
Patent Information
- Application Number
- CN202421179333.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-28
AI Technical Summary
During operation, the bucket lifting machine is prone to blockage, causing the equipment to trip. The existing diaphragm-type induction switch is easily affected by the environment and limestone quality, resulting in the blockage switch being motionless or refusal, increasing the equipment damage and maintenance difficulty.
A material blocking alarm device is designed, including a base, a feeding tray and an alarm piece. The feeding tray is supported under the feeding tray of the bucket elevator to receive the overflowing material. When the weight of the material received by the feeding tray reaches the preset weight, it moves downward to trigger the alarm piece, issue an alarm and disconnects the electrical control circuit.
Effectively prevent equipment from being damaged due to long-term blockage of materials, reduce labor force of maintenance personnel, and the alarm method is not affected by the type of materials and external environment, with a low failure rate, and can promptly feedback on the blockage situation to ensure the stable operation of the equipment.
Smart Images
Figure CN222630327U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of limestone conveying, in particular to a material blocking alarm device, a bucket elevator and a limestone conveying system. Background Art
[0002] Bucket elevator is a bucket elevator, which is a continuous conveying machine that uses a series of buckets evenly fixed on an endless traction member to lift materials vertically or obliquely. During the operation of the bucket elevator, material blockage may occur. In order to avoid the impact caused by material blockage, a material blockage switch needs to be set on the bucket elevator. At present, the material blockage switch of the bucket elevator adopts a diaphragm induction switch. When the bucket elevator is blocked by material, the diaphragm induction switch is triggered, causing the bucket elevator equipment to trip.
[0003] However, the membrane induction switch is affected by the environment and limestone quality during operation. The limestone material is too humid, and a large amount of limestone dust accumulates near the blocking switch membrane, causing the blocking switch to not move or refuse to move. As a result, a large amount of limestone blocks the bucket elevator transportation channel during operation. If the inspection personnel cannot find it in time, the equipment will break due to overload operation, and it will also increase the labor of maintenance personnel to clean up the pile of materials. Utility Model Content
[0004] In order to solve the above technical problem or at least partially solve the above technical problem, the utility model provides a material blocking alarm device, a bucket elevator and a limestone conveying system.
[0005] The utility model provides a material blockage alarm device, comprising a base, a material receiving tray and an alarm component, wherein the base can support the material receiving tray below a material blockage overflow port of a bucket elevator, the material receiving tray is used to receive materials overflowing through the material blockage overflow port, the material receiving tray can move up and down relative to the base, and the material receiving tray is configured to move downward to trigger the alarm component when the weight of the material received by the material receiving tray reaches a preset weight.
[0006] Optionally, the alarm component includes a limit switch disposed below the receiving tray, the limit switch is electrically connected to an electrical control circuit of the bucket elevator, and is configured as follows:
[0007] After the receiving tray triggers the limit switch, the electrical control circuit is disconnected.
[0008] Optionally, the alarm component further includes an alarm, and is configured as follows:
[0009] After the receiving tray triggers the limit switch, the alarm sounds an alarm.
[0010] Optionally, the material blockage alarm device further comprises an elastic member, wherein the elastic member is disposed below the material receiving tray and is used to apply an upward elastic force to the material receiving tray.
[0011] Optionally, the elastic member includes a plurality of springs, and the plurality of springs are evenly distributed below the material receiving tray, one end of the spring is connected to the base, and the other end of the spring is connected to the material receiving tray.
[0012] Optionally, a surrounding wall is provided on the outer periphery of the top of the material receiving tray, and a material receiving cavity is formed between the surrounding wall and the material receiving tray.
[0013] Optionally, the top of the surrounding wall expands outward.
[0014] The utility model also provides a bucket elevator, comprising a machine body and the above-mentioned material blocking alarm device arranged on the machine body.
[0015] Optionally, the material blockage overflow port is a feed port of the machine body, and the receiving tray of the material blockage alarm device is located below the feed port of the machine body.
[0016] The utility model also provides a limestone conveying system, comprising the above-mentioned bucket elevator.
[0017] Compared with the prior art, the technical solution provided by the present invention has the following advantages:
[0018] Based on the material blockage alarm device provided by the utility model, when the bucket elevator is blocked, the material will overflow through the blockage overflow port of the bucket elevator to be received by the receiving tray. When the receiving tray receives the material of a preset weight, the distance the receiving tray moves downward will trigger the alarm so that the staff can handle it in time, which can protect the equipment to the greatest extent and avoid the phenomenon of damage caused by long-term blockage of the equipment, and also reduce the labor of maintenance personnel in cleaning. In addition, this alarm method is not affected by the type of conveyed material and the external environment, has a low failure rate, and can timely feedback the blockage situation to ensure the stable operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.
[0020] In order to more clearly illustrate the implementation mode of the utility model or the technical solution in the prior art, the drawings required for use in the implementation mode or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0021] Figure 1 This is a structural schematic diagram of the material blocking alarm device described in the embodiment of the utility model;
[0022] Figure 2 It is a schematic structural diagram of the bucket elevator described in an embodiment of the utility model.
[0023] Description of Reference Numerals
[0024] 1. Base; 2. Receiving tray; 21. Wall; 3. Alarm component; 31. Limit switch; 4. Elastic component; 41. Spring; 5. Machine body; 51. Feed port. DETAILED DESCRIPTION
[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the scheme of the utility model will be further described below. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0026] The following description sets forth many specific details to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the implementation methods in the specification are only part of the implementation methods of the present invention, rather than all of the implementation methods.
[0027] Combination Figure 1 and Figure 2 As shown, the material blocking alarm device provided by the embodiment of the utility model includes a base 1, a receiving tray 2 and an alarm 3, and the receiving tray 2 and the alarm 3 are both arranged on the base 1, and the base 1 is used to be installed on the body 5 of the bucket elevator or on the ground. The base 1 can support the receiving tray 2 below the blocking overflow port of the bucket elevator, and the receiving tray 2 is used to receive the material overflowing from the blocking overflow port. Among them, the blocking overflow port can be the feed port 51 of the bucket elevator, that is, when the bucket elevator is blocked, the material will accumulate at the position of the feed port 51, and when it accumulates to a certain extent, the material will overflow from the feed port 51 and fall into the receiving tray 2 below the feed port 51. The receiving tray 2 can move up and down relative to the base 1, that is, the receiving tray 2 can move in the vertical direction under the action of an external force. In addition, the receiving tray 2 is configured so that when the weight of the material received by the receiving tray 2 reaches a preset weight, the receiving tray 2 moves downward to trigger the alarm 3. That is, after the material is blocked, the material overflows from the feed port 51 and falls into the receiving tray 2 below the feed port 51. As the material gradually accumulates, the receiving tray 2 will gradually move downward. When the accumulated weight of the material reaches the preset weight, the distance that the receiving tray 2 moves downward will enable the receiving tray 2 to contact the alarm component 3 to trigger the alarm component 3.
[0028] Based on the material blockage alarm device provided by the utility model, when the bucket elevator is blocked, the material will overflow through the blockage overflow port of the bucket elevator to be received by the receiving tray 2. When the receiving tray 2 receives the material of a preset weight, the distance the receiving tray 2 moves downward will trigger the alarm 3, so that the staff can handle it in time, which can protect the equipment to the greatest extent and avoid the phenomenon of damage caused by long-term blockage of the equipment, and also reduce the labor of maintenance personnel in cleaning. In addition, this alarm method is not affected by the type of conveyed material and the external environment, has a low failure rate, and can timely feedback the blockage situation to ensure the stable operation of the equipment.
[0029] In some embodiments, the alarm element 3 includes a limit switch 31 disposed below the receiving tray 2, the limit switch 31 is electrically connected to the electrical control circuit of the bucket elevator, and is configured such that after the receiving tray 2 triggers the limit switch 31, the electrical control circuit is disconnected.
[0030] Specifically, the limit switch 31 is a conventional technology in this field, and its structure and working principle are not described in detail here. The limit switch 31 is of contact type and non-contact type. In the present application, the limit switch 31 adopts a contact type limit switch 31. When the receiving tray 2 contacts the limit switch 31, the limit switch 31 can be triggered. The limit switch 31 transmits the material blocking signal to the controller, and the controller sends a disconnection signal. After the electrical control circuit receives the disconnection signal, the circuit of the electrical control circuit is disconnected, and the equipment stops working, which improves the reliability of the equipment and plays a role in protecting the equipment.
[0031] In other embodiments, the alarm part 3 further includes an alarm, and is configured such that: after the receiving tray 2 triggers the limit switch 31, the alarm sounds an alarm. Specifically, when the receiving tray 2 contacts the limit switch 31, the limit switch 31 can be triggered, and the limit switch 31 transmits a material blocking signal to the controller, and the controller sends a disconnection signal. On this basis, the controller also sends an alarm signal, and after the electrical control circuit receives the disconnection signal, the circuit of the electrical control circuit is disconnected, and the equipment stops working. After receiving the alarm signal, the alarm sounds an alarm to remind the staff to perform the material combing operation to avoid the phenomenon that the equipment is shut down for a long time and affects the work progress.
[0032] like Figure 1As shown, the material blocking alarm device also includes an elastic member 4, which is arranged below the receiving tray 2, and is used to apply an upward elastic force to the receiving tray 2. In this design, the receiving tray 2 can be supported below the blocking overflow port of the bucket elevator by the elastic member 4, and when the bucket elevator is blocked, the material overflows through the blocking overflow port and falls into the receiving tray 2. As the amount of material increases, the receiving tray 2 will overcome the elastic force of the elastic member 4 and move downward to trigger the alarm member 3. The design of the elastic member 4 enables the receiving tray 2 to move slowly after receiving the material, and the receiving tray 2 can only trigger the alarm member 3 when the weight of the material on the receiving tray 2 reaches the preset weight, thereby preventing the phenomenon of external objects accidentally falling into the receiving tray 2 and triggering the alarm member 3, thereby ensuring the accuracy of the alarm.
[0033] In some embodiments, the elastic member 4 includes a plurality of springs 41, and the plurality of springs 41 are evenly distributed below the receiving tray 2, one end of the spring 41 is connected to the base 1, and the other end of the spring 41 is connected to the receiving tray 2, that is, the receiving tray 2 is supported above the base 1 by the plurality of springs 41. Under this design, it is possible to ensure the stability of the elastic force provided by the elastic member 4 to the receiving tray 2. After the spring 41 is deformed to a certain extent, the receiving tray 2 moves downward to trigger the limit switch 31 provided at the bottom thereof, and the limit switch 31 is actuated, thereby disconnecting the entire electrical control circuit and causing the device to trip. Among them, the spring 41 with a suitable deformation is selected according to actual needs.
[0034] Continue to refer to Figure 1 The top periphery of the receiving tray 2 is provided with a surrounding wall 21, and a receiving cavity is formed between the surrounding wall 21 and the receiving tray 2. Under this design, the material can be accumulated in the receiving cavity, and the material falling on the receiving tray 2 is prevented from escaping from the receiving tray 2, ensuring that the accumulation of the material can trigger the alarm 3.
[0035] Further optimized, the top of the surrounding wall 21 is expanded outward. The receiving tray 2 of this design can further ensure the material receiving effect.
[0036] like Figure 2 As shown, the utility model also provides a bucket elevator, including a body 5 and the above-mentioned material blocking alarm device arranged on the body 5. The material blocking alarm device here includes all the technical features of the above-mentioned material blocking alarm device. Among them, the base 1 of the material blocking alarm device is connected to the body 5, and the connection method of the base 1 and the body 5 is not limited, for example, bolt connection or welding is used for connection, and it can be designed according to actual needs.
[0037] In some embodiments, the material blocking and overflowing port is the material feeding port 51 of the machine body 5 , and the receiving tray 2 of the material blocking alarm device is located below the material feeding port 51 of the machine body 5 .
[0038] Specifically, the base 1 of the material blocking alarm device is connected to the part of the body 5 below the feed port 51, wherein the bottom of the base 1 can be supported by the ground to ensure the positioning stability of the material blocking alarm device. During the operation of the body 5, the material will accumulate at the feed port 51. When accumulated to a certain extent, the material will overflow from the feed port 51 and fall into the receiving tray 2 below the feed port 51. As the material gradually accumulates, the receiving tray 2 will gradually move downward. When the accumulated weight of the material reaches the preset weight, the distance that the receiving tray 2 moves downward will enable the receiving tray 2 to contact the alarm component 3 to trigger the alarm component 3, and the body 5 stops working to ensure the safe use of the equipment.
[0039] The utility model also provides a limestone conveying system, including the above-mentioned bucket elevator. The bucket elevator includes all the technical features of the above-mentioned bucket elevator, and further includes all the technical features of the above-mentioned material blocking alarm device.
[0040] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0041] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments described herein, but should conform to the widest scope consistent with the principles and novel features of the present invention.
Claims
1. A material blocking alarm device, characterized in that: The invention comprises a base (1), a material receiving tray (2) and an alarm component (3); the base (1) is capable of supporting the material receiving tray (2) below a material blocking overflow port of a bucket elevator; the material receiving tray (2) is used to receive material overflowing from the material blocking overflow port; the material receiving tray (2) is capable of moving up and down relative to the base (1); and the material receiving tray (2) is configured such that when the weight of the material received by the material receiving tray (2) reaches a preset weight, the material receiving tray (2) moves downward to trigger the alarm component (3).
2. The material blocking alarm device according to claim 1, characterized in that: The alarm component (3) comprises a limit switch (31) arranged below the receiving tray (2), the limit switch (31) being electrically connected to an electrical control circuit of the bucket elevator and configured as follows: After the receiving tray (2) triggers the limit switch (31), the electrical control circuit is disconnected.
3. The material blocking alarm device according to claim 2, characterized in that: The alarm component (3) further comprises an alarm, and is configured as follows: After the receiving tray (2) triggers the limit switch (31), the alarm sounds an alarm.
4. The material blocking alarm device according to claim 1, characterized in that: The material blocking alarm device further comprises an elastic member (4), wherein the elastic member (4) is arranged below the material receiving tray (2), and the elastic member (4) is used to apply an upward elastic force to the material receiving tray (2).
5. The material blocking alarm device according to claim 4, characterized in that: The elastic member (4) comprises a plurality of springs (41), the plurality of springs (41) being evenly distributed below the material receiving tray (2), one end of the spring (41) being connected to the base (1), and the other end of the spring (41) being connected to the material receiving tray (2).
6. The material blocking alarm device according to claim 1, characterized in that: A surrounding wall (21) is provided on the outer periphery of the top of the material receiving tray (2), and a material receiving cavity is formed between the surrounding wall (21) and the material receiving tray (2).
7. The material blocking alarm device according to claim 6, characterized in that: The top of the surrounding wall (21) expands outwards.
8. A bucket elevator, characterized in that: It comprises a machine body (5) and a material blockage alarm device according to any one of claims 1 to 7, which is arranged on the machine body (5).
9. The bucket elevator according to claim 8, characterized in that: The material blocking overflow port is the material feeding port (51) of the machine body (5), and the material receiving tray (2) of the material blocking alarm device is located below the material feeding port (51) of the machine body (5).
10. A limestone conveying system, characterized in that: Comprising the bucket elevator as claimed in claim 8 or 9.