CN112517215A - Charging hopper for crusher - Google Patents
Charging hopper for crusher Download PDFInfo
- Publication number
- CN112517215A CN112517215A CN202011425939.4A CN202011425939A CN112517215A CN 112517215 A CN112517215 A CN 112517215A CN 202011425939 A CN202011425939 A CN 202011425939A CN 112517215 A CN112517215 A CN 112517215A
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- Prior art keywords
- actuator
- crusher
- controller
- charging hopper
- frame
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- 230000033001 locomotion Effects 0.000 claims abstract description 39
- 238000012423 maintenance Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
A charging hopper for a crusher. The invention belongs to the technical field of crushers, and particularly relates to a safety door for a crusher, which comprises the following components: the main body comprises a frame, an access door and a safety fence; the frame is arranged above the crusher; an access hole is formed in one side of the frame, the upper edge of the access hole is hinged to the access door, and the lower edge of the access hole is hinged to the safety fence; an actuator comprising a position actuator, a lock actuator, a motion actuator, and a controller; the position actuator is arranged on the frame and is connected with the access door; the locking actuator is arranged on the outer side of the access hole; the motion actuator is arranged on a rotating shaft of the crusher; the controller is electrically connected with the position actuator, the locking actuator and the movement actuator respectively. Through the structure, the running state in the crusher can be observed through the safety fence, so that an operator is prevented from entering the crushing box through the access hole when the crusher runs, and the safety of the operator is ensured.
Description
Technical Field
The invention belongs to the technical field of crushers, and particularly relates to a charging hopper for a crusher.
Background
The crusher is of various types, and can be divided into a ring hammer type, a toothed roller type, a jaw type and the like according to the structure, the safety protection device of the crusher is only locked-rotor (or stall) protection, iron passing protection and the like, but the device for protecting personnel safety is not seen, and in actual production, in order to facilitate the personnel to check and maintain the equipment, an observation door is generally arranged on the side surface or the upper part of the crusher case body, so that the personnel can conveniently enter the equipment for maintenance. When the waste is crushed, the operation of the crushing plant must be repeatedly interrupted due to the blockage of the waste or the maintenance of the repair, which means that the operator has to perform an operating intervention on the cutting element in order to extract the blockage or to perform an inspection or maintenance operation. During the intervention, on the one hand, the operator must have the cutting element moved (manually or automatically with limited speed) in order to be able to access any surface, and on the other hand, in order to ensure the safety of the operator, it is necessary to prevent any movement of the cutting element at an undesired moment, in particular electrically operated. The existing feed hoppers are provided with safety doors, such as shown in chinese patent CN108201935A, and generally do not have this function. Due to the fact that the crusher lacks consideration on safety protection design of entering personnel, equipment misoperation and personnel are added, the crusher hurts people, and even death accidents of people are caused occasionally.
Therefore, in view of the above disadvantages, it is highly desirable to provide a charging hopper for a crusher.
Disclosure of Invention
The invention aims to provide a safety door for a crusher, which solves the problem that in the prior art, a hopper cannot ensure the safety of operators during maintenance.
The invention provides a charging hopper for a crusher, comprising: the main body comprises a frame, an access door and a safety fence; the frame is mounted above the crusher; an access hole is formed in one side of the frame, the upper edge of the access hole is hinged to the access door, and the lower edge of the access hole is hinged to the safety fence; an actuator comprising a position actuator, a lock actuator, a motion actuator, and a controller; the position actuator is arranged on the frame, is connected with the access door and is used for controlling the opening and closing of the access door; the locking actuator is arranged on the outer side of the access hole and used for locking the safety fence; the motion actuator is arranged on a rotating shaft of the crusher and used for driving the rotating shaft; the controller is electrically connected with the position actuator, the locking actuator and the movement actuator respectively.
The charging hopper for the crusher further preferably comprises a first position sensor and a second position sensor, wherein the first position sensor and the second position sensor are both mounted on the frame and are both electrically connected with the controller; the first position sensor is used for detecting the state of the access door, and the second position sensor is used for detecting the state of the safety fence.
The charging hopper for a crusher as described above further preferably further comprises an operation switch electrically connected to the controller for sending a control request signal to the controller.
The charging hopper for a crusher as described above, further preferably, the first position sensor and the second position sensor are both encoders, and both encoders are in radio connection with the controller.
The charging hopper for a crusher as described above, further preferably, the safety fence is a grille fence, and a grid part of the grille fence is an unobstructed window; the size of the safety fence is consistent with that of the access hole.
The charging hopper for a crusher as described above, further preferably, the locking actuator is an electromagnetic switch.
In the above charging hopper for a crusher, it is further preferable that the position actuator is a hydraulic cylinder, a base of the hydraulic cylinder is mounted on the frame, and a piston rod of the hydraulic cylinder is connected to a side edge of the access door.
The feed hopper for a crusher as described above, further preferably, the motion actuator is a hydraulic motor or an electric motor.
The feeding hopper for a crusher as described above, further preferably, the frame is enclosed by a plurality of mounting plates, and the access opening is located on one of the mounting plates.
The charging hopper for a crusher as described above, further preferably, the controller is in wireless electrical connection with the position actuator, the locking actuator and the movement actuator.
Compared with the prior art, the feeding hopper for the crusher disclosed by the invention has the following beneficial effects:
according to the feeding hopper for the crusher, the access door and the safety fence are arranged at the access hole, the actuator for controlling the opening and closing position of the access door, the locking actuator for locking the safety fence and the movement actuator for driving the crusher are synchronously arranged, and through the matching of the structures, the operation state in the crusher can be observed through the safety fence, so that an operator is prevented from entering the crushing box through the access hole when the crusher operates, and the safety of the operator is ensured.
According to the invention, the control component comprising the controller, the first position sensor and the second position sensor is arranged, the states of the access door and the safety fence are obtained by the control component, and the position actuator, the locking actuator and the movement actuator are driven to be matched, so that the movement actuator is started in a state that the access door is not shielded, and can be started only when the access door is shielded by the access door or the safety fence, and further, an operator is prevented from entering the crushing box through the access door when the crusher runs, and meanwhile, the maintenance work is not hindered.
The invention, by means of the above arrangement, proposes a solution that ensures both the safety of the operator, i.e. the prevention of the entry of personnel into the interior of the crushing plant when the mobile cutting members of these plants remain in motion or start moving again, and the necessity of the plant to be in a standstill when personnel enter the interior of the plant.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a front view of a charging hopper for a crusher and a crusher of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a perspective view of FIG. 1;
FIG. 4 is a schematic view of another embodiment of the device of FIG. 1;
fig. 5 is a schematic structural view of another use state in fig. 1.
Description of reference numerals:
1-an access door, 2-a first position sensor, 3-a position actuator, 4-a safety fence, 5-a second position sensor, 6-a locking actuator, 7-a rotating shaft, 8-a motion sensor, 9-a motion actuator, 13-a main body, 14-a crusher.
Detailed Description
As shown in fig. 1-5, the present embodiment discloses a charging hopper for a crusher 14, comprising:
a main body 13 including a frame, an access door 1 and a safety fence 4; the frame is mounted above the crusher 14; an access hole is formed in one side of the frame, the upper edge of the access hole is hinged to the access door 1, and the lower edge of the access hole is hinged to the safety fence 4;
the execution component comprises a position actuator 3, a locking actuator 6, a movement actuator 9 and a controller; the position actuator 3 is arranged on the frame, is connected with the access door 1 and is used for controlling the access door 1 to open and close; the locking actuator 6 is arranged outside the access hole and used for locking the safety fence 4; the motion actuator 9 is mounted on the rotating shaft 7 of the crusher 14 and is used for driving the rotating shaft 7; the controller is electrically connected with the position actuator 3, the locking actuator 6 and the movement actuator 9 respectively.
In the crusher 14, the height of the crushing box is generally determined by the structure of the crusher 14 provided therein, and therefore the height is generally relatively small, resulting in a small capacity. In this embodiment, supply the not enough of broken case height through setting up the frame, and then improve the volume that holds of broken case. Set up access door 1 and then be used for conveniently carrying out manual intervention when breaker 14 breaks down, security fence 4 then is used for keeping off the access hole after opening access door 1, avoids operating personnel to get into the inner space of frame under the unsafe condition, and then causes personnel's injury.
Further, the structure further comprises a control component, which comprises a first position sensor 2 and a second position sensor 5, wherein the first position sensor 2 and the second position sensor 5 are both mounted on the frame, the first position sensor 2 is used for detecting the state of the access door, and the second position sensor 5 is used for detecting the state of the safety fence 4; the first position sensor 2 and the second position sensor 5 are electrically connected to the controller, respectively.
Further, the device also comprises a motion sensor 8 which is arranged on the motion actuator 9, is connected with the controller and is used for detecting the state of the motion actuator 9.
Above-mentioned structure has increased the automatic control function for reinforced hopper, and then has realized automated inspection and automatic control to avoid appearing the mistake, further improved the security of reinforced hopper.
The first position sensor and the second position sensor are both encoders, and the two encoders are both in radio connection with the controller. An encoder is a rotary sensor that functions to convert an angular or linear displacement into an electrical signal, where it is used to detect the angular displacement of an access door or security fence and convert it into an electrical signal that is sent to a controller. The encoder can send an open state signal or a closed state signal, and in particular, the first position sensor can send an open state signal or a closed state signal of the access door, and the second position sensor can send an open state signal or a closed state signal of the security fence. In this embodiment, the encoder may be obtained directly by a commercially available purchase.
Further, the above structure further includes an operation switch, and the operation switch is connected to the controller and configured to send a control request signal. In this embodiment, the controller is used to control the position actuator 3, the lock actuator 6 and the movement actuator 9 connected thereto, and the operation switch is used to send a request signal to the controller, so that the controller can send out a corresponding control signal. The request signal may be an opening request, a closing request or a static request of the access door, or may be a locking request of the security fence.
Further, the safety fence 4 is a grating fence, and the grating part of the grating fence is an unobstructed window; the dimensions of the safety fence 4 correspond to the dimensions of the access opening. Further, the access hole security fence 4 with access door 1 all is the rectangle form, just security fence 4 with access door 1 can with the access hole adaptation.
Further, the locking actuator 6 is an electromagnetic switch, the purpose of which is to prevent the operator from opening the safety fence while the turning shaft is still moving. The electromagnetic switch locks or unlocks the security fence in the closed position when receiving a command signal from the controller. The command signal may be a lock signal or an unlock signal.
Furthermore, the position actuator 3 is a hydraulic cylinder, a base of the hydraulic cylinder is installed on the frame, and a piston rod is connected with the side edge of the access door 1. Of course, the position actuator 3 may also be another telescopic control device for driving the access door 1 to switch between the closed position and the open position when receiving a command signal from the controller. The access door is driven from a closed position to an open position upon receiving a command signal from the controller, which may be closed or open.
Further, the motion actuator 9 is a hydraulic motor or an electric motor, and is used for driving the rotating shaft 7 of the crusher 14 to rotate or stop when receiving a command signal of a controller. The command signal may be a working movement (rotation at a rotational speed according to the working state), a speed-limiting movement or a static signal. In particular, the number of motion actuators 9 depends on the number of rotary shafts 7 in the crusher 14.
Furthermore, the frame is enclosed by the polylith mounting panel and closes and forms, one of them is located to the access hole on the mounting panel.
Further, the controller is connected with the position actuator 3, the locking actuator 6, the first position sensor 2, the second position sensor 5, the movement actuator 9 and the operation switch through wireless signals.
In the above structure, the controller is preferably a PLC controller, and the PLC controller is a digital electronic device with a microprocessor, and is a digital logic controller for automatic control, and can load the control instruction into the memory at any time for storage and execution. In this embodiment, the device is mainly used for acquiring signals of the first position sensor 2, the second position sensor 5 and the motion sensor 8, and sending instruction signals to the actuator 3, the locking actuator 6 and the motion actuator 9 in turn to complete corresponding functions. The PLC controller may be obtained directly from a commercially available purchase and, after connection, reset its functions so that it can perform the functions described above.
Further, the invention also discloses a use method of the charging hopper for the crusher 14, which comprises the following steps:
install above-mentioned structure equipment feeding hopper at first to make the signal operation between each part unobstructed, then carry out different controls according to the use scene of difference, it is specific:
Operating and observing states: the controller sends a designated signal to the position actuator 3 to enable the position actuator 3 to execute an opening instruction, and further enable the access door 1 to be opened; by manually operating the safety rail 4 and the locking actuator 6, the safety rail 4 is closed and position-locked by the locking actuator 6. Then, the control system obtains that the locking actuator 6 is in a locking state through a state detector in the locking actuator 6, obtains that the safety fence 4 is in a closed state through the second position sensor 5, and instructs the movement actuator 9 to operate, so that the crusher 14 operates normally, and observes the operating conditions in the crusher 14 through a grid window of the safety fence 4.
Maintenance state: the controller firstly sends a closing command signal to the motion actuator 9 to enable the rotating shaft 7 in the crusher 14 to be in a stalling state; then, the positions of the access door 1 and the safety fence 4 are obtained through the first position sensor 2 and the second position sensor 5, and a designated signal is sent to the position actuator 3 when the access door 1 is closed, so that the position actuator 3 executes an opening instruction, and the access door 1 is opened; and then the maintenance is carried out. In the process, the movement actuator 9 is always closed, so that the rotary shaft 7 can only be rotated manually.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A charging hopper for a crusher, comprising:
the main body comprises a frame, an access door and a safety fence; the frame is mounted above the crusher; an access hole is formed in one side of the frame, the upper edge of the access hole is hinged to the access door, and the lower edge of the access hole is hinged to the safety fence;
an actuator comprising a position actuator, a lock actuator, a motion actuator, and a controller; the position actuator is arranged on the frame, is connected with the access door and is used for controlling the opening and closing of the access door; the locking actuator is arranged on the outer side of the access hole and used for locking the safety fence; the motion actuator is arranged on a rotating shaft of the crusher and used for driving the rotating shaft; the controller is electrically connected with the position actuator, the locking actuator and the movement actuator respectively.
2. The charging hopper for a crusher as claimed in claim 1,
the first position sensor and the second position sensor are both arranged on the frame and are electrically connected with the controller; the first position sensor is used for detecting the state of the access door, and the second position sensor is used for detecting the state of the safety fence.
3. The charging hopper for a crusher as claimed in claim 2,
the controller is electrically connected with the power supply and is used for sending a control request signal to the controller.
4. The charging hopper for a crusher as claimed in claim 3,
the first position sensor and the second position sensor are both encoders, and the two encoders are both in radio connection with the controller.
5. The charging hopper for a crusher as claimed in claim 4,
the safety fence is a grating fence, and the grating part of the grating fence is an unobstructed window; the size of the safety fence is consistent with that of the access hole.
6. The charging hopper for a crusher as claimed in claim 5,
the locking actuator is an electromagnetic switch.
7. The charging hopper for a crusher as claimed in claim 6,
the position executor is a hydraulic cylinder, a base of the hydraulic cylinder is installed on the frame, and a piston rod of the hydraulic cylinder is connected with the side edge of the access door.
8. The charging hopper for a crusher as claimed in claim 7,
the motion actuator is a hydraulic motor or an electric motor.
9. The charging hopper for a crusher as claimed in claim 8,
the frame is enclosed by the polylith mounting panel and closes and form, the access hole is located one of them on the mounting panel.
10. The charging hopper for a crusher as claimed in claim 9,
the controller is in wireless connection with the position actuator, the locking actuator and the movement actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425939.4A CN112517215B (en) | 2020-12-08 | 2020-12-08 | A charging hopper for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425939.4A CN112517215B (en) | 2020-12-08 | 2020-12-08 | A charging hopper for breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112517215A true CN112517215A (en) | 2021-03-19 |
| CN112517215B CN112517215B (en) | 2024-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011425939.4A Active CN112517215B (en) | 2020-12-08 | 2020-12-08 | A charging hopper for breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN112517215B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254372A1 (en) * | 1973-12-12 | 1975-07-11 | Fahr Ag Maschf | Crusher mill for composting plant - has flap-covered opening in sidewall of filling hopper, with external observation grid |
| CN201361944Y (en) * | 2009-02-20 | 2009-12-16 | 周清云 | Safe-type agitator for building |
| KR20110050784A (en) * | 2009-11-09 | 2011-05-17 | 박판석 | Foreign body blocking manhole grating |
| KR101491294B1 (en) * | 2013-08-09 | 2015-02-11 | 전상훈 | Manhole checking appartus for dredging |
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| CN106785973A (en) * | 2016-12-28 | 2017-05-31 | 滁州品之达电器科技有限公司 | Set switchgear door-plate locking device is pressed into one kind |
| CN206519791U (en) * | 2016-11-25 | 2017-09-26 | 东莞市同振五金机械有限公司 | A kind of horizontal Machining centers |
| CN206659084U (en) * | 2017-02-22 | 2017-11-24 | 天津九州大地饲料有限公司 | A kind of feed grinder |
| CN207011128U (en) * | 2017-05-24 | 2018-02-13 | 天津斯科赛斯工程技术有限公司 | A kind of salt spray proof field control case |
| CN107961837A (en) * | 2017-12-15 | 2018-04-27 | 徐州傲扬自动化科技有限公司 | It is a kind of can water rinse crusher for preparing specimens |
| CN108201935A (en) * | 2016-12-19 | 2018-06-26 | 宜宾浩瑞机械制造有限公司 | Impact breaker hydraulic switch system |
| CN208288214U (en) * | 2018-04-10 | 2018-12-28 | 贵阳龙凤胎饲料有限公司 | A kind of feed grinder of easy access |
| CN214439897U (en) * | 2020-12-08 | 2021-10-22 | 碎得机械(北京)有限公司 | Charging hopper for crusher |
-
2020
- 2020-12-08 CN CN202011425939.4A patent/CN112517215B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254372A1 (en) * | 1973-12-12 | 1975-07-11 | Fahr Ag Maschf | Crusher mill for composting plant - has flap-covered opening in sidewall of filling hopper, with external observation grid |
| CN201361944Y (en) * | 2009-02-20 | 2009-12-16 | 周清云 | Safe-type agitator for building |
| KR20110050784A (en) * | 2009-11-09 | 2011-05-17 | 박판석 | Foreign body blocking manhole grating |
| KR101491294B1 (en) * | 2013-08-09 | 2015-02-11 | 전상훈 | Manhole checking appartus for dredging |
| CN204202891U (en) * | 2014-10-27 | 2015-03-11 | 中华人民共和国顺德出入境检验检疫局 | Explosion-proof type pressure cooker pressure experimental device |
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| CN206519791U (en) * | 2016-11-25 | 2017-09-26 | 东莞市同振五金机械有限公司 | A kind of horizontal Machining centers |
| CN108201935A (en) * | 2016-12-19 | 2018-06-26 | 宜宾浩瑞机械制造有限公司 | Impact breaker hydraulic switch system |
| CN106785973A (en) * | 2016-12-28 | 2017-05-31 | 滁州品之达电器科技有限公司 | Set switchgear door-plate locking device is pressed into one kind |
| CN206659084U (en) * | 2017-02-22 | 2017-11-24 | 天津九州大地饲料有限公司 | A kind of feed grinder |
| CN207011128U (en) * | 2017-05-24 | 2018-02-13 | 天津斯科赛斯工程技术有限公司 | A kind of salt spray proof field control case |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112517215B (en) | 2024-09-20 |
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