CN203666699U - Hand cranking type switch - Google Patents
Hand cranking type switch Download PDFInfo
- Publication number
- CN203666699U CN203666699U CN201320879333.7U CN201320879333U CN203666699U CN 203666699 U CN203666699 U CN 203666699U CN 201320879333 U CN201320879333 U CN 201320879333U CN 203666699 U CN203666699 U CN 203666699U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- nut
- point switch
- screw mandrel
- connecting rod
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 abstract 5
- 230000033001 locomotion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a hand cranking type switch. The hand cranking type switch comprises a lead screw, a nut, a transmission device and a hand cranking arm, wherein the first end of the lead screw is fixedly connected with the hand cranking arm, the second end of the lead screw is fixedly connected with rails, the lead screw is sleeved with the nut, the nut is in screw fit with the lead screw, the transmission device is fixedly connected with the nut, and is fixedly connected with switch rails, and the switch rails are driven by the transmission device to carry out switching. According to the hand cranking type switch, due to the fact that the lead screw, the nut and the transmission device are arranged, the lead screw rotates to drive the nut to move, the nut drives the transmission device to pull out or push in the switch rails so as to carry out switching. Compared with the prior art, the hand cranking type switch is low in cost, small in occupied space, easy to operate and safe in operation.
Description
Technical field
The utility model relates to a kind of point switch, relates in particular to a kind of shaking point switch.
Background technology
Industrial and mineral can be used point switch in producing conventionally, and existing point switch has multiple, for example power-driven switching device or manually point switch.As shown in Figure 1, shown in Fig. 1 is the manual point switch of one of the prior art, drives tongue connecting rod 2 to pull out or push by control handle 1, thereby drives tongue 3 to move, and realizes rail switching.
In use there are 2 deficiencies in existing point switch: 1,, due to the difference of drift section size, often occurs the phenomenon that installation site is inadequate, after installation, can hinder pedestrian, have the hidden danger that pedestrian is tripped.2, in the time that inclined shaft frequently uses point switch, when cocked handle 180 °, the counterbalance moment of point switch changes to some extent, causes the gap between tongue and track loosening, thereby can cause vehicle to slide down.
Utility model content
The utility model provides a kind of shaking point switch, to solve the problems of the prior art, takes up space little, easy to operate.
The utility model provides a kind of shaking point switch, wherein, comprises screw mandrel, nut, driving device and hand arm, wherein:
The first end of described screw mandrel is fixedly connected with described hand arm, and the second end of described screw mandrel is fixedly connected with track;
Described nut sleeve is located on described screw mandrel, and coordinates with described screw mandrel spiral, and described driving device is fixedly connected with described nut;
Described driving device is fixedly connected with tongue, and described tongue carries out turn-out track under the drive of described driving device.
Shaking point switch as above, wherein, preferably: described driving device comprises first connecting rod and second connecting rod, described first connecting rod is connected by bearing pin with described second connecting rod, described first connecting rod is fixedly connected with described nut, and described second connecting rod is fixedly connected with described tongue.
Shaking point switch as above, wherein, preferably: also comprise sleeve, described jacket casing is in the outside of described screw mandrel.
Shaking point switch as above, wherein, preferably: the two ends of described sleeve are respectively arranged with for the back-up ring spacing to described sleeve.
Shaking point switch as above, wherein, preferably: also comprise triangle fixed block, described triangle fixed block is fixedly connected with the second end of described screw mandrel, on described triangle fixed block, be provided with multiple mounting holes, by fastener and coordinating of described mounting hole described triangle fixed block being fixedly connected with described track.
Shaking point switch as above, wherein, preferably: the quantity of described mounting hole is four.
Shaking point switch as above, wherein, preferably: described triangle fixed block and described screw mandrel are welded and fixed.
The shaking point switch that the utility model provides is by screw mandrel, nut and driving device are set, and screw mandrel rotarily drives nut motion, and nut drives driving device pull-out or advances tongue to carry out turn-out track.Compared with prior art, its cost is low, and the space occupying is little, and safety simple to operate.
Brief description of the drawings
Fig. 1 is manual point switch of the prior art and the schematic diagram that coordinates of track and tongue;
The shaking point switch that Fig. 2 provides for the utility model embodiment and the schematic diagram that coordinates of track and tongue;
The shaking point switch structural representation that Fig. 3 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is elaborated.Wherein identical parts represent with identical Reference numeral.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric centre.
The shaking point switch that Fig. 2 provides for the utility model embodiment and the schematic diagram that coordinates of track and tongue, the shaking point switch structural representation that Fig. 3 provides for the utility model embodiment, the utility model embodiment provides a kind of shaking point switch, comprises screw mandrel 4, nut 5, driving device 6 and hand arm 7.
Wherein, the first end of screw mandrel 4 is fixedly connected with described hand arm 7, and the second end of described screw mandrel 4 is fixedly connected with track 8, and the structure of screw mandrel 4 is identical with screw structure of the prior art, and function is all that gyroscopic movement is converted into straight-line motion.
On the basis of above-described embodiment, preferably, this point switch also comprises sleeve 10, is enclosed within the outside of screw mandrel 4.Sleeve 10 can adopt the metal tube of waste gas in prior art, so that screw mandrel 4 is played a protective role.
Further, be respectively arranged with back-up ring 9 at the two ends of sleeve 10, for spacing to sleeve 10.The wire loop that back-up ring 9 is ring-type, is enclosed within on screw mandrel 4, and is positioned at the two ends of sleeve 10.
Preferably, the shaking point switch that the utility model embodiment provides, also comprises triangle fixed block 11, and this triangle fixed block 11 is fixedly connected with the second end of screw mandrel 4, is preferably and is welded and fixed.On triangle fixed block 11, be provided with multiple mounting holes 12, by fastener and coordinating of described mounting hole 12 described triangle fixed block 11 being fixedly connected with described track 8.
As shown in Figure 3, the quantity of mounting hole 12 is preferably four, is distributed on orthogonal two faces of triangle fixed block 11, make between triangle fixed block 11 and track 8 be connected more firm.
The shaking point switch that the utility model embodiment provides is by screw mandrel, nut and driving device are set, and screw mandrel rotarily drives nut motion, and nut drives driving device pull-out or advances tongue to carry out turn-out track.Compared with prior art, its cost is low, and the space occupying is little, and safety simple to operate.
The shaking point switch that the utility model embodiment provides compared with prior art tool has the following advantages:
1, price of manual point switch of the prior art needs 1000 yuan, and the shaking point switch that the utility model embodiment provides only only needs 100 yuan of left and right with waste and scrap, and every input 1 pair can be ore deposit and saves 900 yuan of left and right.Accessory can use substantially for a long time, has greatly reduced the input of Master Cost, has obtained the double effects of transporting safely with cost efficiency.
2, the shaking point switch that the utility model embodiment provides operates simple again safely, thoroughly solve the difficult problem that the point switch on turnout cannot be installed at narrow space, the point switch that has overcome again prior art causes because tongue contacts imprecision with by-pass the phenomenon that slides down, and has guaranteed the safety of transport.
3, the utility model embodiment provides shaking point switch floor area is little, obstacle is little does not affect up-downgoing people walking, has the enough safety space of marking time.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (7)
1. a shaking point switch, is characterized in that, comprises screw mandrel, nut, driving device and hand arm, wherein:
The first end of described screw mandrel is fixedly connected with described hand arm, and the second end of described screw mandrel is fixedly connected with track;
Described nut sleeve is located on described screw mandrel, and coordinates with described screw mandrel spiral, and described driving device is fixedly connected with described nut;
Described driving device is fixedly connected with tongue, and described tongue carries out turn-out track under the drive of described driving device.
2. shaking point switch according to claim 1, it is characterized in that: described driving device comprises first connecting rod and second connecting rod, described first connecting rod is connected by bearing pin with described second connecting rod, described first connecting rod is fixedly connected with described nut, and described second connecting rod is fixedly connected with described tongue.
3. shaking point switch according to claim 1 and 2, is characterized in that: also comprise sleeve, described jacket casing is in the outside of described screw mandrel.
4. shaking point switch according to claim 3, is characterized in that: the two ends of described sleeve are respectively arranged with for the back-up ring spacing to described sleeve.
5. shaking point switch according to claim 1 and 2, it is characterized in that: also comprise triangle fixed block, described triangle fixed block is fixedly connected with the second end of described screw mandrel, on described triangle fixed block, be provided with multiple mounting holes, by fastener and coordinating of described mounting hole described triangle fixed block being fixedly connected with described track.
6. shaking point switch according to claim 5, is characterized in that: the quantity of described mounting hole is four.
7. shaking point switch according to claim 5, is characterized in that: described triangle fixed block and described screw mandrel are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879333.7U CN203666699U (en) | 2013-12-27 | 2013-12-27 | Hand cranking type switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879333.7U CN203666699U (en) | 2013-12-27 | 2013-12-27 | Hand cranking type switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666699U true CN203666699U (en) | 2014-06-25 |
Family
ID=50963019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320879333.7U Expired - Lifetime CN203666699U (en) | 2013-12-27 | 2013-12-27 | Hand cranking type switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697100A (en) * | 2017-08-31 | 2018-02-16 | 兴化市鑫翔机械有限公司 | A kind of Efficient track point switch |
-
2013
- 2013-12-27 CN CN201320879333.7U patent/CN203666699U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697100A (en) * | 2017-08-31 | 2018-02-16 | 兴化市鑫翔机械有限公司 | A kind of Efficient track point switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |