CN204079357U - A kind of limiting protection device - Google Patents
A kind of limiting protection device Download PDFInfo
- Publication number
- CN204079357U CN204079357U CN201420387699.7U CN201420387699U CN204079357U CN 204079357 U CN204079357 U CN 204079357U CN 201420387699 U CN201420387699 U CN 201420387699U CN 204079357 U CN204079357 U CN 204079357U
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- CN
- China
- Prior art keywords
- bolt
- roller
- protection device
- frame
- pressing plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of limiting protection device, comprise steel rope, supporting rail, bolt, the nut matched with bolt, roller frame, support roller, bracing frame, be fixed on the travel switch on bracing frame and be positioned at the pressing plate of steel rope bottom, wherein, described steel rope contacts with the groove of described support roller and is connected; Described bolt sleeve on described supporting rail and described bolt be fixed on described roller frame by described nut; Support frame as described above is fixedly connected with described roller frame by supporting-roller shaft with described support roller; Described pressing plate to be fixedly connected on support frame as described above by pressing plate shaft and to contact with described travel switch.Limiting protection device described in the utility model can stop timely in position of getting off, and prevents the generation of contingency, ensure that the safety of passenger.
Description
Technical field
The utility model relates to overhead manned equipment, particularly relates to a kind of limiting protection device.
Background technology
The safety guard-safeguard of overhead manned equipment more and more causes the attention of people, if fender guard is malfunctioning, just likely there is serious accident, when overrunning or owing speed appears in speed, can not stop in time thus will cause driving casualty accident, the life security of passenger will be subject to great threat; When passenger arrives the position and fail to get off in time and cause the generation of accident of getting off, the life security of passenger is subject to great threat.
Summary of the invention
For this reason, the utility model proposes a kind of new limiting protection device at least partially that can solve the problem.
The utility model provides a kind of limiting protection device, comprise steel rope, supporting rail, bolt, the nut matched with bolt, roller frame, support roller, bracing frame, be fixed on the travel switch on bracing frame and be positioned at the pressing plate of steel rope bottom, wherein, described steel rope contacts with the groove of described support roller and is connected; Described bolt sleeve on described supporting rail and described bolt be fixed on described roller frame by described nut; Support frame as described above is fixedly connected with described roller frame by supporting-roller shaft with described support roller; Described pressing plate to be fixedly connected on support frame as described above by pressing plate shaft and to contact with described travel switch.
Alternatively, according to limiting protection device of the present utility model, described pressing plate bottom is provided with stay bearing plate, and described stay bearing plate is fixedly connected on support frame as described above.
Alternatively, according to limiting protection device of the present utility model, described bolt is U-bolt.
Alternatively, according to limiting protection device of the present utility model, the material of described bolt is steel.
Alternatively, according to limiting protection device of the present utility model, the material of described supporting rail is I-beam section.
Limiting protection device described in the utility model can stop when making passenger arrive and get off position by pressing plate and travel switch timely, prevents the generation of contingency, ensure that the safety of passenger.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.Wherein in the accompanying drawings, the multiple identical parts of alphabetic flag instruction after reference number, when making a general reference these parts, by its last alphabetic flag of omission.In the accompanying drawings:
Fig. 1 is the structural representation of limiting protection device described in the utility model; And
Fig. 2 is the lateral plan of limiting protection device described in the utility model.
Wherein, in accompanying drawing, the implication of each mark is:
Steel rope 1, supporting rail 2, bolt 3, nut 4, roller frame 5, support roller 6, bracing frame 7, travel switch 8, pressing plate 9, speed sensor 10, magnet steel 11, supporting-roller shaft 12, pressing plate shaft 13 and stay bearing plate 14.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the utility model will be further described.
Fig. 1 and Fig. 2 is respectively structural representation and the lateral plan of limiting protection device described in the utility model.As depicted in figs. 1 and 2, described limiting protection device comprises steel rope 1, supporting rail 2, bolt 3, nut 4, roller frame 5, support roller 6, bracing frame 7, travel switch 8, pressing plate 9, speed sensor 10 and magnet steel 11, wherein, described steel rope 1 contacts with described support roller 6, described bolt 3 is U-bolt, described bolt 3 is enclosed within described supporting rail 2, the end of described bolt 3 passes the hole of described roller frame 5, described nut 4 is tightened in the end of described bolt 3, described roller frame 5 is made to be suspended on described supporting rail 2 by described bolt 3 and described nut 4 like this, support frame as described above 7 is fixedly connected with described roller frame 5 by supporting-roller shaft 12 with described support roller 6, described pressing plate 9 is fixedly connected on support frame as described above 7 by pressing plate shaft 13, described pressing plate 9 is positioned at the bottom of described steel rope 1, described pressing plate 9 below contact has described travel switch 8, described travel switch 8 is fixedly connected on support frame as described above 7, when passenger passes through, the weight of self presses down past for described steel rope 1, thus contact with described pressing plate 9 and down extrude described pressing plate 9, described pressing plate 9 rotates around described pressing plate shaft 13, make the described pressing plate 9 described travel switch 8 of extruding downwards, touch described travel switch 8 carry out work and stop.Described speed sensor 10 is fixed on support frame as described above 7, described speed sensor 10 is connected with PLC, PLC is Programmable Logic Controller, be a kind of be specially application under industrial environment and the electronics package of digital operation that designs, employing can the memory device of program design, be used for storing the operating orders such as actuating logic computing, sequential operation, timing, counting and arithmetical operation therein, and by digital or analog input and output, control various types of machinery or production process.Described magnet steel 11 uniform circular is distributed on described support roller 6, and the frequency of described magnet steel 11 responded to by described speed sensor 10, thus can the speed of monitor speed, signal can be sent to PLC and can stop in time overrunning or owe speed.
In limiting protection device described in the utility model, described pressing plate 9 bottom is provided with stay bearing plate 14, and described stay bearing plate 14 is fixedly connected on support frame as described above 7.As shown in Figure 1; described stay bearing plate 14 is fixedly connected with support frame as described above 7; described stay bearing plate 14 is positioned at the bottom of described pressing plate 9; after described pressing plate 9 triggers described travel switch 8 by the effect of described stay bearing plate 14 no longer to pressing down described travel switch 8; prevent described travel switch 8 to damage, actv. protects described travel switch 8.
In limiting protection device described in the utility model, described bolt 3 is U-bolt.This structure makes described bolt 3 can be enclosed within described supporting rail 2 very easily, described bolt 3 is connected with described roller frame 5 by described nut 4, the quantity of described bolt 3 is at least two, as depicted in figs. 1 and 2, the quantity of described bolt 3 is chosen as two, well bears described roller frame 5, described support roller 6, support frame as described above 7 and is fixedly connected on the gravity of travel switch 8, pressing plate 9, speed sensor 10 and stay bearing plate 14 on support frame as described above 7.
In limiting protection device described in the utility model, the material of described bolt 3 is steel.Iron is glossiness silvery white metal, firmly there is ductility, fusing point is 1535 DEG C, boiling point 2750 DEG C, have very strong ferrimagnetism, and have good plasticity and permeability of heat, steel take iron as essential element, the metallic material of carbon content generally also containing other elements below 2.0%, steel has better physics, chemistry, mechanical characteristics than the initial pig iron.Described bolt 3 adopts Steel material, the favourable gravity bearing object.
In limiting protection device described in the utility model, the material of described supporting rail 2 is I-beam section.Steel take iron as essential element, carbon content generally below 2.0% and containing the metallic material of other elements, steel has better physics, chemistry, mechanical characteristics than the initial pig iron, the rectangular steel of I-beam section to be cross section be I-shaped shape.As shown in Figure 1, the cross-sectional plane of described supporting rail 2 is I shape, and I-beam section is the economical section steel that a kind of section mechanical property is more excellent, and its advantage is: the edge of a wing is wide, and lateral rigidity is large, and resistance to bending is strong; Surface, the edge of a wing two is parallel to each other and makes connection, processing, simple installation; Compared with normal section steel, cost is low, and precision is high, and unrelieved stress is little, without the need to welding material and the weld seam detection of costliness, saves structure steel fabrication cost about 30%.
Limiting protection device described in the utility model can stop when making passenger arrive and get off position by pressing plate and travel switch timely; ensure that the safety of passenger; prevent the generation of contingency; Negotiation speed sensor and magnet steel can the speeds of finding speed; make can stop in time when overrunning or owe speed; prevent contingency from occurring, ensure that safety.
It should be noted, above-described embodiment is described the utility model instead of limits the utility model, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word "a" or "an" before being positioned at element is not got rid of and be there is multiple such element.In the unit claim listing some devices, several in these devices can be carry out imbody by same hardware branch.Word first, second and third-class use do not represent any order.Can be title by these word explanations.
Claims (5)
1. a limiting protection device; it is characterized in that comprising: steel rope (1), supporting rail (2), bolt (3), the nut (4) matched with bolt (3), roller frame (5), support roller (6), bracing frame (7), be fixed on the travel switch (8) on bracing frame (7) and be positioned at the pressing plate (9) of steel rope (1) bottom; wherein
Described steel rope (1) contacts with the groove of described support roller (6) and is connected;
Described bolt (3) is enclosed within described supporting rail (2) and described bolt (3) is fixed on described roller frame (5) by described nut (4);
Support frame as described above (7) is fixedly connected with described roller frame (5) by supporting-roller shaft (12) with described support roller (6);
Described pressing plate (9) is fixedly connected on support frame as described above (7) by pressing plate shaft (13) and goes up and contact with described travel switch (8).
2. limiting protection device according to claim 1, is characterized in that: described pressing plate (9) bottom is provided with stay bearing plate (14), and described stay bearing plate (14) is fixedly connected on support frame as described above (7).
3. limiting protection device according to claim 1, is characterized in that: described bolt (3) is U-bolt.
4. the limiting protection device according to claim 1 or 3, is characterized in that: the material of described bolt (3) is steel.
5. limiting protection device according to claim 1, is characterized in that: the material of described supporting rail (2) is I-beam section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387699.7U CN204079357U (en) | 2014-07-14 | 2014-07-14 | A kind of limiting protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387699.7U CN204079357U (en) | 2014-07-14 | 2014-07-14 | A kind of limiting protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204079357U true CN204079357U (en) | 2015-01-07 |
Family
ID=52172095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387699.7U Expired - Fee Related CN204079357U (en) | 2014-07-14 | 2014-07-14 | A kind of limiting protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204079357U (en) |
-
2014
- 2014-07-14 CN CN201420387699.7U patent/CN204079357U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170714 |