CN107949209B - Mining protection control mechanism - Google Patents
Mining protection control mechanism Download PDFInfo
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- CN107949209B CN107949209B CN201711227532.9A CN201711227532A CN107949209B CN 107949209 B CN107949209 B CN 107949209B CN 201711227532 A CN201711227532 A CN 201711227532A CN 107949209 B CN107949209 B CN 107949209B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
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Abstract
The invention discloses a mining protection control mechanism, which has a locking mode and a non-locking mode and comprises a shell with an inner cavity, wherein two pull ring units are respectively arranged on two sides of the shell, an action response unit is arranged in the shell, and a reset limiting unit is arranged on one side of the shell; when any pull ring unit is pulled to a certain position, the action response unit can move towards one pulled side and is separated from the pull ring unit on the other side, the pull ring unit is not controlled by the pull unit on the other side, when the pull ring unit reaches a specified position, the microswitch is triggered to be closed to send a protection signal, the reset limiting unit acts in the locking mode, the reset function is locked, when the reset locking state of the reset limiting unit is released, the microswitch resets, when the unlocking mode is performed, the reset limiting unit does not participate in the action, and the pull ring unit and the action response unit automatically reset when the pull ring unit and the action response unit are released to be pulled. The invention has simple structure, convenient installation, flexible pulling, no interference between the left and the right, stable action and greatly expanded application range.
Description
Technical Field
The invention relates to a control mechanism, in particular to a mining protection control mechanism.
Background
At present, the protection control mechanism of mining products in the market mainly has two modes: one is a double-reset mechanism, and the other is a single-reset mechanism.
A product of the double-reset mechanism is provided with a group of micro switches on the left and the right respectively, and the micro switches are controlled by the pulling and reset mechanisms in corresponding directions respectively. The structure needs to be provided with two groups of micro switches and corresponding accessories, so that the product has larger overall dimension and difficult installation, and the cost is greatly increased. In order to reduce the overall dimension, part of manufacturers cancel a sealing mechanism, so that electronic elements in the products are extremely easy to damp and damage, and great potential safety hazards are brought to underground equipment.
The product structure of single canceling release mechanical system is complicated, adopts a series of drive mechanism to touch the switch action usually, and has high requirement to the concentricity of product both sides pulling mechanism, and the same overall dimension of this kind of product is great and required pulling force is greater than two canceling release mechanical systems far away, very big increase product cost and use the degree of difficulty. In addition, because single canceling release mechanical system left and right interconnect, if the tension that both sides wire rope pulled is too tight in the use, then can interfere each other and lead to the problem of pulling motionless, can not provide effectual protection for workman in the pit.
The double-reset mechanism and the single-reset mechanism are both control mechanisms with locks. However, in the practical use process, because the belt is long, the distance between the two control mechanisms is large, usually about one hundred meters, and after the pulling signal is sent, the control mechanisms need to be moved to the front to reset, so that the production efficiency is seriously reduced, and the fatigue of workers is easily caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a mine protection control mechanism which is small in appearance, simple in structure, convenient to install, flexible to pull, free of interference between the left side and the right side, stable in switching action and capable of having locking and non-locking functions.
In order to achieve the purpose, the technical means adopted by the invention is as follows: a mining protection control mechanism has a locking mode and a non-locking mode, and comprises a shell with an inner cavity, wherein two sides of the shell are respectively provided with a pull ring unit, an action response unit is arranged in the shell, one side of the shell is provided with a reset limiting unit, when the mining protection control mechanism is used, any one side of the pull ring unit is pulled through a steel wire rope, when the mining protection control mechanism is pulled to a certain position, the action response unit can move to one side pulled by the steel wire rope under the driving of the pull ring unit, meanwhile, the action response unit can be separated from the pull ring unit at the other side and is not controlled by the pull unit at the other side, when the mining protection control mechanism reaches a specified position, a microswitch is triggered to be closed to send a protection signal, when the mining protection control mechanism is in the locking mode, the reset limiting unit acts to lock a reset function, when the equipment, the reset limiting unit does not participate in action, and the pull ring unit and the action response unit automatically reset when released and pulled.
Furthermore, the pull ring unit comprises a pull ring arranged outside one side of the shell, the pull ring is installed on a pull rod, a pull rod guide sleeve connected with the shell is arranged outside the pull rod, a pull spring is arranged on the pull rod in the pull rod guide sleeve, two V-shaped rotating pieces are respectively arranged on two sides of the pull rod, the vertex part of each V-shaped rotating piece is connected with the shell through a rotating piece rotating shaft, a hole is formed in the pull rod, an arm which penetrates through the hole to be connected with the two rotating pieces through a pin shaft, and a hook lug is arranged on the other arm of each rotating piece.
Furthermore, a pull ring unit O-shaped sealing ring is arranged between the wire drawing rod and the wire drawing rod guide sleeve.
Further, the action response unit comprises a fixing plate and a sliding block, the fixing plate is installed in the shell, two rotating shafts are arranged on the fixing plate, guide rail grooves are formed in the middle of the sliding block and are sleeved on the two rotating shafts through the guide rail grooves, two limiting pull rods connected with the pull ring unit are arranged at two ends of the sliding block, and a running groove for accommodating the microswitch pulley is formed in the middle of the sliding block.
Furthermore, the reset limiting unit comprises a reset operation board, a reset rod connected below the reset operation board, a limiting rod arranged on the reset operation board, a limiting sleeve arranged on the shell and corresponding to the position of the limiting rod, a reset rod guide sleeve arranged on the shell, a reset rod arranged in the reset rod guide sleeve, a cavity arranged in the reset rod guide sleeve, and an O-shaped sealing ring, a nylon catch and a spring arranged on the reset rod in the cavity in sequence.
Furthermore, two sliding block locking holes are formed in the sliding block corresponding to the side of the reset rod, when the sliding block is pulled in place along with the sliding block, the thin shaft at the front end of the reset rod can fall into one of the sliding block locking holes, and the sliding block is locked.
Furthermore, a locking hole is formed in the reset rod guide sleeve, a locking bolt is installed in the locking hole, a locking ring corresponding to the locking hole is arranged on the reset rod, and the reset rod is locked by the locking bolt through the locking ring.
Furthermore, a manual switch is installed on the shell, and a protection signal is sent out by pressing the manual switch under the condition that the steel wire rope is not pulled.
The invention has the beneficial effects that: the appearance is less, simple structure, simple to operate, and the pulling is nimble, and mutual noninterference about, the switch action is stable, has shutting and non-shutting function simultaneously concurrently.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. the pull ring, 2, a pull rod, 3, a pull ring unit O-shaped sealing ring, 4, a pull spring, 5, a pull rod guide sleeve, 6, a rotating piece, 7, a rotating piece rotating shaft, 8, a pin shaft, 9, a sliding block, 10, a fixing plate, 11, a rotating shaft, 12, a micro switch, 13, a reset operation plate, 14, a reset rod, 15, an O-shaped sealing ring, 16, a nylon baffle plate, 17, a spring, 18, a reset rod guide sleeve, 19, a limiting sleeve, 20, a manual switch, 21, a shell, 22 and a locking bolt.
Detailed Description
A mining protection control mechanism as shown in figures 1 and 2 has both a locking mode and a non-locking mode, and comprises a shell 21 with an inner cavity, wherein two pull ring units are respectively arranged at two sides of the shell 21, an action response unit is arranged in the shell 21, a reset limiting unit is arranged at one side of the shell 21, when the mining protection control mechanism is used, any pull ring unit at any side is pulled through a steel wire rope, when the mining protection control mechanism is pulled to a certain position, the action response unit can move to one side pulled by the steel wire rope under the driving of the pull ring units, meanwhile, the action response unit can be separated from the pull ring unit at the other side and is not controlled by the pull unit at the other side, when the mining protection control mechanism reaches a specified position, a microswitch 12 is triggered to be closed to send a protection signal, when the locking mode is adopted, the reset limiting unit acts to lock a reset function, when an equipment, in the non-locking mode, the reset limiting unit does not participate in action, and the pull ring unit and the action response unit automatically reset when releasing pulling.
The pull ring unit comprises a pull ring 1 arranged outside one side of a shell 21, the pull ring 1 is installed on a pull rod 2, a pull rod guide sleeve 5 connected with the shell 21 is arranged outside the pull rod 2, a pull spring 4 is arranged on the pull rod 2 in the pull rod guide sleeve 5, two sides of the pull rod 2 are respectively provided with a V-shaped rotating piece 6, the vertex part of the V-shaped rotating piece 6 is connected with the shell 21 through a rotating piece rotating shaft 7, a hole is formed in the pull rod 2, an arm which penetrates through the hole to be connected with the two rotating pieces 6 through a pin shaft 8, and the other arm of the rotating piece 6 is provided with a hook lug.
And an O-shaped sealing ring 3 of a pull ring unit is arranged between the wire drawing rod 2 and the wire drawing rod guide sleeve 5.
The action response unit comprises a fixing plate 10 and a sliding block 9, the fixing plate 10 is installed in a shell 21, two rotating shafts 11 are arranged on the fixing plate 10, guide rail grooves are formed in the middle of the sliding block 9 and are sleeved on the two rotating shafts 11 through the guide rail grooves, two limiting pull rods connected with pull ring units are arranged at two ends of the sliding block 9, and a running groove for accommodating a micro switch 12 pulley is formed in the middle of the sliding block.
The reset limiting unit comprises a reset operation board 13, a reset rod 14 connected below the reset operation board 13, a limiting rod installed on the reset operation board, a limiting sleeve 19 installed on a shell 21 and corresponding to the position of the limiting rod, a reset rod guide sleeve 18 arranged on the shell 21, the reset rod 14 installed in the reset rod guide sleeve 18, a cavity arranged in the reset rod guide sleeve 18, and an O-shaped sealing ring 15, a nylon blocking piece 16 and a spring 17 which are sequentially arranged on the reset rod 14 in the cavity.
Two sliding block locking holes are formed in the sliding block 9 corresponding to the side of the reset rod, when the sliding block is pulled in place along with the sliding block, the thin shaft at the front end of the reset rod can fall into one of the sliding block locking holes, and the sliding block is locked.
A locking hole is formed in the reset rod guide sleeve 18, a locking bolt 22 is installed in the locking hole, a locking ring corresponding to the locking hole is arranged on the reset rod 14, and the locking bolt 22 locks the reset rod through the locking ring.
The housing 21 is provided with a manual switch 20, and a protection signal is sent out by pressing the manual switch under the condition that the steel wire rope is not pulled.
The working principle is as follows: when the pull ring is used, the pull ring 1 on one side is pulled through the steel wire rope, and the corresponding rotating piece 6 can rotate along with the pull ring under the driving of the pull rod 2. When pulled to a certain position, the hooks in front of the rotary piece 6 will cross together and hold the supporting column on the middle slide block 9. When the steel wire rope continues to be pulled, the middle sliding block 9 can move towards one side pulled by the steel wire rope under the driving of the rotating piece 6, and meanwhile, the sliding block 9 can be separated from the rotating piece 6 on the other side and is not influenced by the pulling mechanism on the other side any more. When the belt conveyor comprehensive protection system reaches a specified position, the sliding block 9 triggers the micro switch 12 to be closed to send a protection signal to the belt conveyor comprehensive protection system, meanwhile, the reset rod 14 moves downwards under the action of the spring, and the sliding block 9 is locked by the thin shaft at the front end of the reset rod 14.
When the problem of the device is solved, the reset rod 14 is lifted upwards, and the slide block 9 is unlocked and is restored to the original position simultaneously with the microswitch 12. If the locking function is to be cancelled, the reset rod 14 is lifted upwards to the top end, then the locking bolt 22 on the reset rod guide sleeve 18 is screwed, the reset rod 14 is locked, the lower slide block 9 mechanism can realize the action during pulling, and the automatic reset can be realized when the pulling is stopped, and the structure greatly expands the application range of the wired control mechanism.
The wire drawing rods 2 on the two sides prop against the sliding block 9 under the action of the spring 4, so that the sliding block cannot move left and right. The fixed plate 10 is provided with two rotating shafts 11, the upper part of each rotating shaft 11 is provided with a step, and a shaft sleeve is sleeved below the step to ensure that the sliding block 9 cannot move up and down and incline to the side after being assembled with the step.
The rotating pieces 6 on the two sides are provided with kidney-shaped holes, and the rotating pieces 6 are connected with the wire drawing rod 2 through the holes by pin shafts 8 so as to ensure that the rotating pieces 6 can freely move along with the wire drawing rod 2. When not pulled, the rotating pieces 6 on both sides are kept in an open state. When the steel wire rope on one side is pulled, the rotating piece 6 on the side moves along with the steel wire rope and drives the sliding block 9 to move towards the same direction, and the rotating piece 6 on the other side keeps static and is completely separated from the sliding block 9, so that mutual interference of left and right pulling mechanisms is avoided.
The outer side of the rotating plate rotating shaft 7 is provided with a shaft sleeve, the rotating plate 6 is sleeved on the shaft sleeve and then is tightly pressed by a screw to ensure that the rotating plate 6 can rotate freely, the upper side of the reset rod 14 is provided with a round hole, the reset rod guide sleeve 18 is provided with a locking bolt 22, a guard ring on the shell 21 is provided with a round hole at the position corresponding to the locking bolt 22, when the screw is screwed into the round hole, the reset rod 14 is fixed at the upper side, and the product has the function of unlocking.
The housing 21 has a stop collar 19, and the reset operation plate 13 moves up and down under the guidance of the stop collar 19 through a lower stop shaft to ensure that the locking bolt 22 can be smoothly screwed into the circular hole of the reset rod 14.
Claims (6)
1. The utility model provides a mining protection control mechanism which characterized in that: the locking and unlocking mode is realized, the locking and unlocking mode comprises a shell with an inner cavity, two pull ring units are respectively arranged on two sides of the shell, an action response unit is arranged in the shell, a reset limiting unit is arranged on one side of the shell, when the locking and unlocking mode is used, the pull ring units on any side are pulled through a steel wire rope, when the locking and unlocking mode is pulled to a certain position, the action response unit can move to one side pulled by the steel wire rope under the driving of the pull ring units, meanwhile, the action response unit can be separated from the pull ring unit on the other side and is not controlled by the pull unit on the other side, when the specified position is reached, the microswitch is triggered to be closed to send a protection signal, when the locking and unlocking mode is realized, the reset limiting unit acts to lock a reset function, when the equipment problem is solved, the reset locking state of the reset limiting unit, the pull ring unit and the action response unit are automatically reset when releasing pulling; the pull ring unit comprises a pull ring arranged outside one side of the shell, the pull ring is arranged on a pull rod, a pull rod guide sleeve connected with the shell is arranged outside the pull rod, a pull spring is arranged on the pull rod in the pull rod guide sleeve, two V-shaped rotating pieces are respectively arranged on two sides of the pull rod, the vertex part of each V-shaped rotating piece is connected with the shell through a rotating piece rotating shaft, a hole is formed in the pull rod, the pull rod penetrates through the hole through a pin shaft to be connected with one arm of the two rotating pieces, and a hook lug is arranged on the other arm of the rotating piece; the action response unit comprises a fixing plate and a sliding block, the fixing plate is installed in the shell, two rotating shafts are arranged on the fixing plate, a guide rail groove is formed in the middle of the sliding block and is sleeved on the two rotating shafts through the guide rail groove, two limiting pull rods connected with the pull ring unit are arranged at two ends of the sliding block, and a running groove for accommodating the microswitch pulley is arranged in the middle of the sliding block.
2. The mining protection control mechanism of claim 1, characterized in that: and a pull ring unit O-shaped sealing ring is arranged between the wire drawing rod and the wire drawing rod guide sleeve.
3. The mining protection control mechanism of claim 1, characterized in that: the reset limiting unit comprises a reset operation board, a reset rod connected below the reset operation board, a limiting rod installed on the reset operation board, a limiting sleeve installed on the shell and corresponding to the position of the limiting rod, a reset rod guide sleeve arranged on the shell, a reset rod installed in the reset rod guide sleeve, a cavity arranged in the reset rod guide sleeve, and an O-shaped sealing ring, a nylon catch and a spring which are sequentially arranged on the reset rod in the cavity.
4. The mining protection control mechanism of claim 3, characterized in that: two sliding block locking holes are formed in the sliding block corresponding to the side of the reset rod, when the sliding block is pulled in place along with the sliding block, the thin shaft at the front end of the reset rod can fall into one of the sliding block locking holes, and the sliding block is locked.
5. The mining protection control mechanism of claim 4, characterized in that: the reset rod guide sleeve is provided with a locking hole, a locking bolt is installed in the locking hole, a locking ring corresponding to the locking hole is arranged on the reset rod, and the locking bolt locks the reset rod through the locking ring.
6. The mining protection control mechanism of claim 1, characterized in that: the shell is provided with a manual switch, and a protection signal is sent out by pressing the manual switch under the condition of not pulling the steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227532.9A CN107949209B (en) | 2017-11-29 | 2017-11-29 | Mining protection control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227532.9A CN107949209B (en) | 2017-11-29 | 2017-11-29 | Mining protection control mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107949209A CN107949209A (en) | 2018-04-20 |
| CN107949209B true CN107949209B (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711227532.9A Active CN107949209B (en) | 2017-11-29 | 2017-11-29 | Mining protection control mechanism |
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| Country | Link |
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| CN (1) | CN107949209B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113382584B (en) * | 2021-06-08 | 2022-02-08 | 徐州华琅自动化设备有限公司 | Puncture-proof electric vehicle controller |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202839329U (en) * | 2012-09-08 | 2013-03-27 | 宿州市恒泰电器有限公司 | Emergency stop switch of mine belt conveyor |
| CN104036980A (en) * | 2014-05-12 | 2014-09-10 | 宿州中矿三杰科技有限公司 | Mining intrinsically-safe urgent stop switch |
| CN204256411U (en) * | 2014-12-23 | 2015-04-08 | 山东省四方机电设备有限公司 | CAN communication mining intrinsic safety type crashstop closedown switch |
| CN106249671B (en) * | 2016-10-18 | 2018-09-21 | 宿州中矿三杰科技有限公司 | A kind of wired control mechanism of mining inspection |
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2017
- 2017-11-29 CN CN201711227532.9A patent/CN107949209B/en active Active
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| Publication number | Publication date |
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| CN107949209A (en) | 2018-04-20 |
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