CN219965538U - Alarm device and screening system - Google Patents
Alarm device and screening system Download PDFInfo
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- CN219965538U CN219965538U CN202321077318.0U CN202321077318U CN219965538U CN 219965538 U CN219965538 U CN 219965538U CN 202321077318 U CN202321077318 U CN 202321077318U CN 219965538 U CN219965538 U CN 219965538U
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- contact
- contact structure
- alarm device
- detection
- groove wall
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- 238000012216 screening Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 86
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 210000002421 cell wall Anatomy 0.000 claims abstract description 18
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to an alarm device and screening system for detect whether the sieve drops, the sieve below is provided with the chute that is used for collecting the material, and the chute includes the cell wall of slope setting and the discharge gate with the cell wall intercommunication, alarm device includes guide structure, contact structure and detection structure. The guide structure is arranged above the discharge hole and used for guiding materials to the groove wall. The contact structure is rotatably arranged below the material guiding structure and is used for contacting materials sliding on the groove wall, and the contact structure is configured to rotate when the contact structure is contacted with the materials. The detection structure is used for detecting the rotation angle of the contact structure, and the detection structure is configured to give an alarm when the rotation angle of the contact structure exceeds a preset value. Through above-mentioned technical scheme, the condition that the screen plate dropped can in time be found to the operation personnel, and the guide structure can protect contact structure, avoids contact structure direct and material or the screen plate contact that drops to lead to contact structure to damage, improves alarm device's life.
Description
Technical Field
The present disclosure relates to the field of screening materials, and in particular, to an alarm device and a screening system.
Background
The vibrating screen is a screening machine widely applied to industries such as coal and the like and is used for classifying, washing, dehydrating, removing medium and the like of materials. Taking classification of materials as an example, in the working process, the vibrating screen utilizes the vibrating motor to vibrate the screen plate, so that partial materials can permeate through meshes on the screen plate to collect materials with different particle sizes. After long-time use, the sieve can drop because of frequent vibration and the impact of material leads to the sieve, if discovery is untimely, the shale shaker can continue the operation under the condition that can't carry out the screening to the size of material, leads to the size of material to be difficult to satisfy the operation requirement, can make the material extravagant simultaneously. If the screen plate is monitored manually, the working strength of operators is additionally increased.
Disclosure of Invention
The purpose of this disclosure is to provide an alarm device and screening system to solve the problem that the sieve drops in time discovery in the correlation technique difficultly.
A first object of the present disclosure is to provide an alarm device for detect whether the sieve drops, the sieve below is provided with the chute that is used for collecting the material, the chute include the cell wall that the slope set up and with the discharge gate of cell wall intercommunication, alarm device includes:
the material guiding structure is arranged above the discharge hole and used for guiding materials to the groove wall;
the contact structure is rotatably arranged below the material guiding structure and used for contacting materials sliding on the groove wall, and the contact structure is configured to rotate when the contact structure is contacted with the materials;
and the detection structure is used for detecting the rotation angle of the contact structure and is configured to give an alarm when the rotation angle of the contact structure exceeds a preset value.
Optionally, the contact structure comprises a rotatable first rod body and a contact piece vertically connected to the first rod body, wherein the contact piece is used for contacting with a material and driving the first rod body to rotate when contacting with the material.
Optionally, the contact element is a strip-shaped plate, and a plurality of contact elements are arranged at intervals along the extending direction of the first rod body.
Optionally, the detection structure includes a detection piece and a detection sensor that are disposed on the first rod body, and an alarm is given when the detection piece approaches or moves away from the detection sensor.
Optionally, the detection structure further comprises an installation table arranged on the outer side of the groove wall, a bearing seat is arranged on the installation table, two ends of the first rod body extend to the outer side of the groove wall respectively and are connected with the bearing seat, the detection piece is arranged at the end part of the first rod body, and the detection sensor is arranged on the installation table.
Optionally, the guide structure is a V-shaped plate, and an opening of the V-shaped plate faces the discharge port.
Optionally, the edges of two sides of the V-shaped plate are parallel to the groove wall and the distance between the edges and the groove wall is greater than or equal to the length of the sieve plate.
Optionally, edges at two ends of the V-shaped plate are respectively attached to the groove walls and connected with the groove walls.
Optionally, the V-shaped plate is constructed from case carburized mild steel sheet.
A second object of the present disclosure is to provide a screening system comprising a vibrating screen having a screen deck, a chute disposed below the screen deck, and an alarm device, wherein the alarm device is any one of the above.
Through above-mentioned technical scheme, the material after screening via the sieve can be earlier when dropping with the guide structure contact, and the guide structure will be material direction to the cell wall, can take place to rotate after the contact structure contacts with the material of landing on the cell wall. After the sieve falls, the unscreened material and the sieve can be guided to the groove wall through the material guiding structure and slide from the groove wall, and the unscreened material and the sieve are larger than the screened material in size, so that after the contact structure is contacted with the unscreened material and the sieve, the rotation angle of the contact structure can be increased, and the detection structure can send an alarm to operators. Therefore, operators can timely find the condition that the screen plate falls, the condition that the vibrating screen does not have the screen plate is avoided to continuously operate to cause material waste, manual monitoring on the screen plate is not needed any more, and the working intensity of the operators is reduced. And the guide structure is arranged above the contact structure, so that the contact structure can be protected, the contact structure is prevented from being damaged due to the direct contact with materials or a falling sieve plate, and the service life of the alarm device is prolonged.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic diagram of an alarm device provided in an exemplary embodiment of the present disclosure;
fig. 2 is a schematic diagram of the use of an alarm device provided by an exemplary embodiment of the present disclosure.
Description of the reference numerals
The device comprises a chute 1, a discharge hole 11, a groove wall 12, a material guiding structure 2, a contact structure 3, a first rod body 31, a contact piece 32, a detection structure 4, a detection piece 41, a detection sensor 42, a mounting table 43, a bearing seat 44 and a sieve plate 5.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In this disclosure, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" and the like are used to generally refer to the orientation of the relevant components in the actual state of use. "inner and outer" means both the inner and outer of the corresponding component profile. In addition, when the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The terms "first," "second," and the like, as used in this disclosure, are used for distinguishing one element from another and not necessarily for order or importance.
As shown in fig. 1 and 2, the present disclosure provides an alarm device for whether detect screen plate 5 drops, screen plate 5 can screen not unidimensional material, and the material after the screening needs to be collected and carry to the assigned position, so screen plate 5 below is provided with chute 1 that is used for collecting the material, and screen plate 5 sets up the top at the feed inlet of chute 1 for the material after screening through screen plate 5 can be directly collected by chute 1, chute 1 including the cell wall 12 of slope setting and the discharge gate 11 with cell wall 12 intercommunication, and the inner wall surface of cell wall 12 is smooth, and the material can the automatic landing. The alarm device comprises a material guiding structure 2, a contact structure 3 and a detection structure 4. The material guiding structure 2 is arranged above the discharge hole 11 and is used for guiding materials to the groove wall 12. The contact structure 3 is rotatably arranged below the material guiding structure 2 for contacting material sliding down on the groove wall 12, the contact structure 3 being configured such that the contact structure 3 can rotate when in contact with the material. The detecting structure 4 is used for detecting the rotation angle of the contact structure 3, and the detecting structure 4 is configured to give an alarm when the rotation angle of the contact structure 3 exceeds a preset value.
Through above-mentioned technical scheme, the material after screening through sieve 5 can contact with guide structure 2 earlier when dropping, and guide structure 2 will be material direction to cell wall 12, and contact structure 3 can take place to rotate after the material contact of landing on with cell wall 12. When the screen plate 5 falls, the non-screened material and the screen plate 5 are guided to the groove wall 12 through the material guiding structure 2 and slide from the groove wall 12, and the non-screened material and the screen plate 5 are larger than the screened material in size, so that after the contact structure 3 is contacted with the non-screened material and the screen plate 5, the rotation angle of the contact structure 3 is increased, and the detection structure 4 gives an alarm to an operator. The condition that the screen plate 5 dropped can be timely found to the operation personnel like this, avoid the shale shaker to continue the operation at the condition that does not have screen plate 5 and lead to the material extravagant, also no longer need the manual work to monitor screen plate 5, reduced operation personnel's working strength, and guide structure 2 sets up in contact structure's top, can protect contact structure 3, avoid contact structure 3 direct with the material or the screen plate 5 contact that drops to lead to contact structure 3 damage, improve alarm device's life.
In some embodiments, the contact structure 3 may include a first rod 31 rotatably and a contact member 32 vertically connected to the first rod 31, where the contact member 32 is configured to contact the material and rotate the first rod 31 when contacting the material. The first rod body 31 can fix the position of the contact element 32, and the contact element 32 can rotate by taking the first rod body 31 as the center, so that the contact element 32 is not easy to misplace when contacting with materials. The contact 32 here needs to be able to contact the material that passes the screening when using, and when screen plate 5 drops like this, screen plate 5 and the material that does not pass the screening can with contact 32 contact lead to contact structure 3's rotation angle to change, guarantees alarm device's result of use through contact 32 when using with the material that passes the screening.
Further, the contact 32 may be a strip-shaped plate, and the contact 32 is provided in plurality at intervals along the extending direction of the first rod 31. The strip shaped plates that the interval set up can drive the rotation of first body of rod 31 after contacting with the material, and the interval between the strip shaped plates is convenient for the material to pass through, avoids the material to pile up on cell wall 12 and leads to the rotation angle of contact structure 3 too big to lead to detecting structure 4 to send out the alarm by mistake. The strip-shaped plate can have an initial position when not contacting with materials, and can be particularly referred to fig. 1 and 2, and the strip-shaped plate can be vertically arranged at the moment, so that when no materials fall down, the strip-shaped plate can drive the first rod body 31 to reset to the initial position by means of self gravity, and the repeated use of the alarm device is facilitated.
The detecting structure 4 may include a detecting piece 41 and a detecting sensor 42 provided on the first rod body 31, and an alarm is given when the detecting piece 41 approaches or moves away from the detecting sensor 42. The detecting piece 41 may be disposed on the outer circumference of the first rod 31, so that the first rod 31 rotates to change the position of the detecting piece 41, and the detecting sensor 42 may select an optical detecting sensor 42, where the optical detecting sensor 42 detects the detecting piece 41 by emitting and receiving light. When the screened material contacts with the contact structure 3, the rotation angle of the first rod body 31 is smaller, the detecting piece 41 does not move to the detecting range of the detecting sensor 42, the detecting structure 4 does not give an alarm, when the screen plate 5 and the non-screened material contact with the contact structure 3, the rotation angle of the first rod body 31 can be increased, the detecting piece 41 moves to the detecting range of the detecting sensor 42, and the detecting structure 4 gives an alarm.
The detecting structure 4 may further include a mounting table 43 disposed on the outer side of the groove wall 12, a bearing seat 44 is disposed on the mounting table 43, two ends of the first rod body 31 extend to the outer side of the groove wall 12 respectively and are connected with the bearing seat 44, the detecting piece 41 is disposed on the end portion of the first rod body 31, and the detecting sensor 42 is disposed on the mounting table 43. The outside at cell wall 12 can be installed to detection structure 4 like this, avoids the material to cause the impact to detection structure 4 to lead to detection structure 4 to damage, simultaneously, can fix and install first body of rod 31 through mount table 43 and the bearing frame 44 that sets up on mount table 43 for first body of rod 31 rotatable setting.
The material guiding structure 2 may be a V-shaped plate, the opening of which is directed towards the discharge opening 11. The V-shaped plate herein refers to a plate body having a V-shaped cross-section, and reference is specifically made to fig. 2. The V-arrangement board can protect contact structure 3, can also play the guide effect to the material simultaneously, and the both sides of V-arrangement board can be close to cell wall 12 setting, and the V-arrangement board can be with the material direction to cell wall 12 like this, and when the top setting of V-arrangement board was in screen plate 5 below, the top of V-arrangement board can play the separation effect to the material, avoids the material to pile up on a cell wall 12 and influence alarm device's result of use.
The edges on both sides of the V-shaped plate may be parallel to the trough walls 12 and spaced from the trough walls 12 by a distance greater than or equal to the length of the screen deck 5. The edges on both sides of the V-shaped plate refer to the two edges of the V-shaped plate in the left-right direction in fig. 2, with reference to the direction of the drawing of fig. 2. The distance between the edges on both sides of the V-shaped plate and the groove wall 12 is larger than or equal to the length of the sieve plate 5, and the length of the sieve plate 5 refers to the length of the longest edge of the sieve plate 5. The screen plate 5 is guaranteed to fall from the gap between the edges of the two sides of the V-shaped plate and the groove wall 12 and is contacted with the contact structure 3, the problem that the screen plate 5 cannot be contacted with the contact structure 3 after falling down to cause failure of an alarm device is avoided, meanwhile, the edges of the two sides of the V-shaped plate are parallel to the groove wall 12, so that the distances between the edges of the two sides of the V-shaped plate and the groove wall 12 are identical, and the falling screen plate 5 or materials are guaranteed not to be clamped in the gap between the edges of the two sides of the V-shaped plate and the groove wall 12.
Edges of both ends of the V-shaped plate may be respectively engaged with the groove wall 12 and connected with the groove wall 12. The edges at both ends of the V-shaped plate refer to both edges of the V-shaped plate in the left-right direction in fig. 1, with reference to the direction of the drawing of fig. 1. Edges at two ends of the V-shaped plate can be welded on the groove wall 12, so that the V-shaped plate can resist more impact, and the service life of the V-shaped plate is prolonged. Simultaneously, the possibility that the material or the sieve plate 5 falls to the discharge port 11 from the two ends of the V-shaped plate is avoided, and the use effect of the alarm device is ensured.
Because the material can contact with the guide structure 2 earlier when dropping, the material that drops can have certain impact force, probably leads to V-arrangement board deformation or wearing and tearing after long time, in order to guarantee the life of V-arrangement board, the V-arrangement board can be constructed by the low carbon steel board of surface carburization treatment. After the low-carbon steel plate is subjected to surface carburization, the hardness and wear resistance of the V-shaped plate can be effectively improved, so that the service life of the V-shaped plate is prolonged.
According to a second aspect of the present disclosure, there is further provided a screening system, including a vibrating screen having a screen plate 5, a chute 1 disposed below the screen plate 5, and an alarm device, where the alarm device is an alarm device of any one of the foregoing embodiments, and has all the beneficial effects thereof, which are not described herein.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. An alarm device for detect whether the sieve drops, the sieve below is provided with the chute that is used for collecting the material, the chute include the slope set up the cell wall and with the discharge gate of cell wall intercommunication, its characterized in that, alarm device includes:
the material guiding structure is arranged above the discharge hole and used for guiding materials to the groove wall;
the contact structure is rotatably arranged below the material guiding structure and used for contacting materials sliding on the groove wall, and the contact structure is configured to rotate when the contact structure is contacted with the materials;
and the detection structure is used for detecting the rotation angle of the contact structure and is configured to give an alarm when the rotation angle of the contact structure exceeds a preset value.
2. The warning device of claim 1 wherein the contact structure includes a first lever rotatably and a contact member vertically attached to the first lever for contacting the material and rotating the first lever upon contact with the material.
3. The warning device of claim 2 wherein the contact member is a strip-like plate, the contact member being provided in plurality at intervals along the extending direction of the first rod body.
4. The warning device of claim 2 wherein the detection structure includes a detection tab and a detection sensor disposed on the first rod, the detection tab being configured to alert when it is either proximate or distal to the detection sensor.
5. The warning device of claim 4 wherein the detection structure further comprises a mounting table disposed on the outer side of the groove wall, a bearing seat is disposed on the mounting table, two ends of the first rod body extend to the outer side of the groove wall and are connected with the bearing seat, the detection piece is disposed at the end of the first rod body, and the detection sensor is disposed on the mounting table.
6. The warning device of claim 1 wherein the guide structure is a V-shaped plate with an opening of the V-shaped plate facing the discharge port.
7. The warning device of claim 6 wherein the edges of the two sides of the V-shaped plate are parallel to the trough walls and the spacing from the trough walls is greater than or equal to the length of the screen panel.
8. The alarm device according to claim 6, wherein edges of both ends of the V-shaped plate are respectively engaged with and connected to the groove wall.
9. The warning device of claim 6 wherein the V-shaped plate is constructed from top carburized mild steel sheet.
10. A screening system comprising a vibrating screen having a screen deck, a chute positioned below the screen deck, and an alarm device, wherein the alarm device is the alarm device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321077318.0U CN219965538U (en) | 2023-05-06 | 2023-05-06 | Alarm device and screening system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321077318.0U CN219965538U (en) | 2023-05-06 | 2023-05-06 | Alarm device and screening system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219965538U true CN219965538U (en) | 2023-11-07 |
Family
ID=88592897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321077318.0U Active CN219965538U (en) | 2023-05-06 | 2023-05-06 | Alarm device and screening system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219965538U (en) |
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2023
- 2023-05-06 CN CN202321077318.0U patent/CN219965538U/en active Active
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