CN203112311U - Safety door interlocking device - Google Patents
Safety door interlocking device Download PDFInfo
- Publication number
- CN203112311U CN203112311U CN 201320079265 CN201320079265U CN203112311U CN 203112311 U CN203112311 U CN 203112311U CN 201320079265 CN201320079265 CN 201320079265 CN 201320079265 U CN201320079265 U CN 201320079265U CN 203112311 U CN203112311 U CN 203112311U
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- China
- Prior art keywords
- safety door
- rod
- locking lever
- interlocking
- transmission
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- Expired - Fee Related
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Abstract
The utility model relates to an interlocking device, in particular to a safety door interlocking device. The safety door interlocking device comprises a fixing frame (2) and an interlocking rod (1), wherein interlocking rod sliding bases (3) are arranged at two ends of a transverse rod on the lower portion of the fixing frame (2).The interlocking rod comprises a left part and a right part, wherein the two parts are located inside the sliding bases respectively, the inner side ends of the two parts are hinged to two opposite corners of a parallelogram connection rod (5), and another hinging point of the parallelogram connection rod (5) is connected with one end of a transmission plug (4). A transmission plug sliding base is arranged at the vertical end of the fixing frame (2), a transmission force arm (7) hinged to the other end of the transmission plug (4) is arranged on the outer end of the vertical end of the fixing frame (2) in a hinged mode, and the front triggering part of the transmission force arm (7) is matched with a cage to be arranged. The safety door interlocking device reliably achieves lifting signal interlocking of a well head, a safety door at the bottom of a well, and a pot position with low cost, and effectively improves production safety of a coal mine.
Description
Technical field
The utility model relates to a kind of interlock system, particularly relates to a kind of safety door interlock system.
Background technology
" safety regulations in coal mine " the 384th regulation: " when vertical used cage hoisting, the safety door in well head, shaft bottom and intermediate transportation lane must and promote interlocking of signals with the jar position: cage put in place and send stop signal after safety door just can open; Safety door is not closed, and can only send leveling and change layer signal, but can not send out starting signal; After closing, safety door just can send starting signal; After sending starting signal, safety door is not opened." present large-scale colliery is generally all adopted hydraulic-driven and electrical control to combine in the switching of well head and well safe door and controlled automatically, thereby the safety door in realization well head, shaft bottom and jar position and lifting interlocking of signals, effect is pretty good.But these equipment price costlinesses are not suitable for the weak middle-size and small-size mine of economic strength relative thin.By analysis, we find that prices such as the needed hydraulic power unit of the employed hydraulic-driven of large-scale mine, hydraulic actuating cylinder, high-pressure rubber pipe are more expensive, cost-cutting just must start with from this respect.The switching of safety door can rely on manually and open, but interlock system just can not be by manually having solved.Therefore, design a kind of simplely, the safety door that can realize well head, shaft bottom and jar position and the safety door closing appliance that promotes interlocking of signals are necessary.
Summary of the invention
The utility model proposes a kind of safety door interlock system at the prior art deficiency, can reliably realize the safety door and jar position and lifting interlocking of signals in well head, shaft bottom.
The technical scheme that the utility model adopts:
A kind of safety door interlock system, contain fixed mount (2), locking lever (1), described fixed mount (2) lower crosspiece two ends are provided with locking lever slide (3), described locking lever comprises a left side, right two parts, two parts are in respectively in the described slide, two parts medial extremity is hinged with two diagonal angles of a parallelogram connection-rod (5) respectively, described parallelogram connection-rod (5) has a hinge-point to connect an end of transmission plug (4) in addition, be provided with transmission plug slide at the perpendicular end of described fixed mount (2), the transmission arm of force (7) hinged with the other end of described transmission plug (4) is hingedly mounted on termination, fixed mount (2) the perpendicular end outside, and the anterior triggering part of the transmission arm of force (7) and cage are equipped with.
Described safety door interlock system is gone up at described transmission plug (4), is provided with the locking lever retracing spring between transmission plug slide and the parallelogram connection-rod.
Described safety door interlock system is provided with the locking lever retracing spring between two hinge-points that parallelogram connection-rod (5) is connected with two parts of locking lever.
Described safety door interlock system, the end of the anterior triggering part of the transmission arm of force (7) is provided with roller (8).
Useful good effect of the present utility model:
1, safety door interlock system of the present utility model, with lower cost, the safety door of having realized well head, shaft bottom reliably is with jar position and promote interlocking of signals, and effect is remarkable, effectively raises coal mine production safety.
2, the utility model safety door interlock system is simple in structure, and is reasonable in design, is easy to install, and is particularly suitable for middle and small scale coal mine and installs.Utilize the lifting winch effect to realize the interlocking of safety door for power for the pulling force of cage, so do not need to arrange again special propulsion source, realize easily, and with low cost.
Description of drawings
Fig. 1: the utility model safety door interlock system master TV structure scheme drawing;
Fig. 2: the utility model safety door interlock system side-looking structural representation;
Fig. 3: the utility model safety door interlock system uses state safety door blocking front view;
Fig. 4: the utility model safety door interlock system uses state safety door blocking lateral plan;
Fig. 5: the utility model safety door interlock system uses state safety door open mode front view;
Fig. 6: the utility model safety door interlock system uses state safety door open mode lateral plan.
The specific embodiment
Embodiment one: referring to Fig. 1, Fig. 2, safety door interlock system of the present invention, contain fixed mount 2, locking lever 1, described fixed mount 2 lower crosspiece two ends are provided with locking lever slide 3, described locking lever comprises a left side, right two parts, two parts are in respectively in the described slide, two parts medial extremity is hinged with two diagonal angles of a parallelogram connection-rod 5 respectively, described parallelogram connection-rod 5 has a hinge-point to connect an end of transmission plug 4 in addition, be provided with transmission plug slide at described fixed mount 2 perpendicular ends, the transmission arm of force 7 hinged with the other end of described transmission plug 4 is hingedly mounted on termination, the fixed mount 2 perpendicular end outside.
The transmission arm of force 7 anterior triggering parts and cage are equipped with, and provide power for interlock system for the pulling force of cage by the lifting winch effect, thereby realize the interlocking of cage safety door.
Described safety door interlock system is on the described transmission plug 4, be provided with the locking lever retracing spring between transmission plug slide and the parallelogram connection-rod; Described locking lever retracing spring also can be arranged on parallelogram connection-rod) between two hinge-points being connected with two parts of locking lever.
Referring to Fig. 4～Fig. 6, under the use state, when locking lever 1 stretches out, be inserted in the circular port that the safety door of both sides matches above, at this moment, safety door is just by locked and can not carry out longitudinal sliding motion, when it was withdrawn, safety door can be done longitudinal sliding motion, thereby can open safety door.Fixed mount 2 is used for whole interlock system is fixed on derrick 11.Slide 3 is fixed by bolts on the fixed mount 2, and locking lever two parts pass the circular port above slide respectively.The effect of slide is can only to move along the axis direction of locking lever in order to limit locking lever.Number in the figure 9 is cage, and 10 are safety door closing appliance of the present invention.
Parallelogram connection-rod 5 is hinged with transmission plug 4, when transmission plug 4 under the effect of the transmission arm of force 7 during upward movement, change has taken place in the shape of parallel four limit type connecting rods, shortens along the diagonal line of locking lever direction, withdraw from safety door thereby drive locking lever, safety door can be opened.
The effect of retracing spring 6 is, when the external force on the transmission arm of force 7 is removed, transmission plug 4 just moves downward under the effect of spring force, make the parallelogram connection-rod reinstatement, diagonal line along interlocking thick stick direction is elongated, locking lever is inserted in the circular port above the safety door and plays the locking effect, safety door can not be opened.
Embodiment two: referring to Fig. 1, Fig. 2, and the safety door interlock system of present embodiment, what they were different with embodiment one is: the end at the described transmission arm of force 7 anterior triggering parts is provided with roller 8.
The effect of roller 8 is to damage cage when the transmission arm of force 7 contacts with cage.When upwards promoting under the effect of cage at winch, cage top contacts with roller above the safety door closing appliance, along with the continuation of cage is risen, the transmission arm of force is upwards lifted, thereby drives transmission plug compression reseting spring and move up, the moving up of transmission plug, make the parallelogram connection-rod distortion, cause shortening along the diagonal of a parallelogram of locking lever axis direction, extract from safety door thereby drive the interlocking thick stick, safety door can be opened.
Safety door interlock system of the present invention, owing at safety door position transduser is installed, when cage is prepared, must shut safety door the staff of well head, position transduser just can send signal makes hoistman startup winch that cage is moved down, otherwise just can not start winch.When cage moves down, the transmission plug moves down under the effect of retracing spring, changes the shape of parallelogram connection-rod, thereby locking lever is inserted in the safety door, stop safety door in the middle of the descending process of cage by the people for opening.
Safety door closing appliance of the present invention is identical with well head in the action principle at well safe door place, need turn installation when just installing around and get final product, and its mechanism here repeats no more.
Claims (4)
1. safety door interlock system, contain fixed mount (2), locking lever (1), described fixed mount (2) lower crosspiece two ends are provided with locking lever slide (3), it is characterized in that: described locking lever comprises a left side, right two parts, two parts are in respectively in the described slide, two parts medial extremity is hinged with two diagonal angles of a parallelogram connection-rod (5) respectively, described parallelogram connection-rod (5) has a hinge-point to connect an end of transmission plug (4) in addition, be provided with transmission plug slide at the perpendicular end of described fixed mount (2), the transmission arm of force (7) hinged with the other end of described transmission plug (4) is hingedly mounted on termination, fixed mount (2) the perpendicular end outside, and the anterior triggering part of the transmission arm of force (7) and cage are equipped with.
2. safety door interlock system according to claim 1 is characterized in that: go up at described transmission plug (4), be provided with the locking lever retracing spring between transmission plug slide and the parallelogram connection-rod.
3. safety door interlock system according to claim 1 is characterized in that: be provided with the locking lever retracing spring between two hinge-points that parallelogram connection-rod (5) is connected with two parts of locking lever.
4. according to claim 1,2 or 3 described safety door interlock systems, it is characterized in that: the end of the anterior triggering part of the described transmission arm of force (7) is provided with roller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079265 CN203112311U (en) | 2013-02-21 | 2013-02-21 | Safety door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079265 CN203112311U (en) | 2013-02-21 | 2013-02-21 | Safety door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203112311U true CN203112311U (en) | 2013-08-07 |
Family
ID=48892680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320079265 Expired - Fee Related CN203112311U (en) | 2013-02-21 | 2013-02-21 | Safety door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203112311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809716A (en) * | 2015-11-30 | 2017-06-09 | 广西建工集团第四建筑工程有限责任公司 | A kind of interlock of material elevator protective door |
-
2013
- 2013-02-21 CN CN 201320079265 patent/CN203112311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809716A (en) * | 2015-11-30 | 2017-06-09 | 广西建工集团第四建筑工程有限责任公司 | A kind of interlock of material elevator protective door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20200221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |