CN202669538U - Ratchet wheel compensation device for electrical railway contact network - Google Patents
Ratchet wheel compensation device for electrical railway contact network Download PDFInfo
- Publication number
- CN202669538U CN202669538U CN 201220324593 CN201220324593U CN202669538U CN 202669538 U CN202669538 U CN 202669538U CN 201220324593 CN201220324593 CN 201220324593 CN 201220324593 U CN201220324593 U CN 201220324593U CN 202669538 U CN202669538 U CN 202669538U
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- CN
- China
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- ratchet
- ratchet wheel
- roller bearing
- wire rope
- steel wire
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Abstract
The utility model discloses a ratchet wheel compensation device for an electrical railway contact network. The ratchet wheel compensation device at least comprises a ratchet wheel body, a ratchet wheel shaft, a ratchet wheel bracket and cylindrical roller bearings, the ratchet wheel body is connected to the inner side of the ratchet wheel bracket through the ratchet wheel shaft; the left cylindrical roller bearing and the right cylindrical roller bearing are respectively embedded into circular holes in the left end and the right end of the ratchet wheel body, so that the ratchet wheel body is connected with the ratchet wheel shaft through the left cylindrical roller bearing and the right cylindrical roller bearing; the two ends, which are close to the cylindrical roller bearings, of the ratchet wheel body in the ratchet wheel bracket have small diameters, and the middle of the ratchet wheel body has a large diameter; a large wheel is arranged at the middle section with the large diameter and is provided with a left heavy weight end steel wire rope slot and a right heavy weight end steel wire rope slot; small wheels, which have the small diameters, of the ratchet wheel body are arranged at the left end and the right end and are provided with rope end steel wire rope slots; the left end and the right end of a steel wire rope are fixed by the rope end steel wire rope slots; the steel wire rope is coiled around the left heavy weight end steel wire rope slot and the right heavy weight end steel wire rope slot in the middle section and is connected with a heavy weight; and the steel wire rope is coiled on the heavy weight and the left wire rope slot and the right wire rope slot in the middle section of the ratchet wheel body form a V shape. By the ratchet wheel compensation device, the transmission efficiency is improved.
Description
Technical field
The utility model belongs to the device of the design of a kind of parts that electrification railway contact net uses, particularly about a kind of electrification railway contact net ratchet compensating device, it is applicable to the contact suspension clue place's tension compensating that casts anchor, and tension force kept constant when clue length was changed because of temperature traverse.
Background technology
At present, the electrification railway contact net clue is casted anchor and is located the most using compensation pulley gear of tension compensating or ratchet compensating device, because ratchet compensating device has the broken string deceleration and stopping performance, can reduce the accident impact scope, particularly suitable bridge letter and elevated formation level section have been avoided the rear falling mound of broken string to fall and have been damaged the hypogee and injure the pedestrian by a crashing object; It is large that this device bears the breaking weight value, the larger contact system section (such as the wind district) of applicable clue design tension force, thereby be widely used.But this device connects falling mound end compensating rope adopts single compensation rope, when clue length change compensation rope moved up and down, the stress point left and right deviation all the time at the ratchet shaft middle part, did not cause stressed asymmetric, overbalance, cause the ratchet shaft unbalance loading, thus impact compensation driving efficiency.Simultaneously, when the compensation rope moved up and down to the edge of ratchet, tooth or rib easy and the ratchet edge protuberance wore and tore, and increase the danger of compensation rope broken string.
Summary of the invention
Given this plant the existing problem of ratchet compensating device, the purpose of this utility model provides a kind of electrification railway contact net and has solved the problems referred to above with ratchet compensating device.
The purpose of this utility model is to realize like this, the electrification railway contact net ratchet compensating device, at least comprise: the ratchet body, ratchet shaft, the ratchet support, cylindrical roller bearing, it is inboard that the ratchet body is connected to the ratchet support by ratchet shaft, left and right sides cylindrical roller bearing is embedded in respectively in the circular hole at two ends, the ratchet body left and right sides, the ratchet body is connected with ratchet shaft by left and right sides cylindrical roller bearing, ratchet body in the ratchet support is little near cylindrical roller bearing two ends diameter, mid diameter is large, the interlude that diameter is large has bull wheel, bull wheel has left and right sides falling mound end steel wire rope groove, end had steamboat about diameter was little, the wired bitter end steel wire rope groove of steamboat, steel rope left end and right-hand member are fixed by clue end steel wire rope groove, steel rope is connected with falling mound after twining by interlude left and right sides falling mound end steel wire rope groove again, the silk grooving forms " eight " font about the steel rope that twines on the falling mound and ratchet body interlude, and falling mound end wirerope-winding is on the left side of ratchet body, do down in the right spiral " eight " font vertically on, lower movement.
Described cylindrical roller bearing outer ring cooperates with ratchet body two ends endoporus, and inner ring and ratchet shaft two ends cylindrical are connected; Roller bearing end cap is fixed on the ratchet body end flat by slotted countersunk flat head screw, between roller bearing end cap and the cylindrical roller bearing end face soft vulcanized fiber plate washer is arranged, roller bearing end cap withstands outside race by the soft vulcanized fiber plate washer, and felt-ring seal is in the inner fluting of roller bearing end cap.
Captive joint by pin with the ratchet support after stretching out the ratchet body in described ratchet shaft two ends, ratchet support and ratchet link span are bolted.
The described steel rope that is wrapped on the steamboat of ratchet body two ends is clue end steel rope, link to each other with clue end insulator by balance wheel, ball-eye, the steel rope that is wrapped on the ratchet body bull wheel is falling mound end steel rope, link to each other with falling mound with plummet rod by little balance wheel, all steel ropes are terminal by in the locked wedge shape cavity on the ratchet body of chock.
The utility model falling mound end rope compensation moves and is down " eight " font and moves up and down, all the time be positioned at the middle part of ratchet body, left and right departing from when the change single wire rope moves, wearing and tearing with the ratchet wheel rim, thereby eliminated broken string hidden danger, this structure stress is symmetrical, balance, the defectives such as asymmetric, the irregularity that has overcome that falling mound end single wire rope moves and stressed all the time unbalance loading, thus improved the driving efficiency of ratchet compensating device.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the utility model example structure cutaway view;
Fig. 2 is that Fig. 1 uses schematic diagram;
Fig. 3 is clue end balance wheel birds-eye view;
Fig. 4 is ratchet link span and ratchet base 14 connection diagrams.
Among the figure: 1, ratchet body; 2, chock; 3, ratchet shaft; 4, ratchet support; 5, pin; 6, roller bearing end cap; 7, cylindrical roller bearing; 8, slotted countersunk flat head screw; 9, felt collar; 10, soft vulcanized fiber plate washer; 11, clue end steel rope; 12, falling mound end steel rope; 13, ratchet link span; 14, ratchet base; 15, balance wheel; 16, ball-eye; 17, little balance wheel; 18, plummet rod; 19, pillar.
The specific embodiment
Such as Fig. 1, shown in Figure 2, the electrification railway contact net ratchet compensating device, at least comprise: ratchet body 1, ratchet shaft 3, ratchet support 4, cylindrical roller bearing 7, ratchet body 1 is connected to ratchet support 4 inboards by ratchet shaft 3, left and right sides cylindrical roller bearing 7 is embedded in respectively in the circular hole at two ends, ratchet body 1 left and right sides, ratchet body 1 is connected with ratchet shaft 3 by left and right sides cylindrical roller bearing 7, ratchet body 1 in the ratchet support 4 is little near cylindrical roller bearing 7 two ends diameters, mid diameter is large, the interlude that diameter is large is bull wheel, end has falling mound end steel wire rope groove about bull wheel, end was steamboat about diameter was little, the wired bitter end steel wire rope groove of steamboat, steel rope left end and right-hand member are fixed by steamboat clue end steel wire rope groove, steel rope is connected with falling mound after the left and right sides falling mound end steel wire rope groove winding by the interlude bull wheel again, the silk grooving forms " eight " font (see figure 2) about the steel rope that twines on the falling mound and ratchet body 1 interlude, and falling mound end wirerope-winding is on the left side of ratchet body, can " eight " font in the right spiral vertically on, lower movement.
Basic identical with embodiment 1, difference is: cylindrical roller bearing 7 outer rings cooperate with ratchet body 1 two ends endoporus, and inner ring cooperates with ratchet shaft two ends cylindrical, play and support and the transfer charge effect;
Roller bearing end cap 6 slotted flathead screws 8 are fixed on the ratchet body end flat, between roller bearing end cap 6 and cylindrical roller bearing 7 end faces soft vulcanized fiber plate washer 10 is arranged, roller bearing end cap 6 withstands outside race by soft vulcanized fiber plate washer 10, prevent the intrusion of ratchet shaft 3 plaies and rainwater, dust etc., felt collar 9 is sealed in the roller bearing end cap 6 inner flutings, also plays dustproof effect.
As shown in Figure 3, Figure 4, captive joint by pin 5 with ratchet support 4 after stretching out ratchet body 1 in ratchet shaft 3 two ends, ratchet support 4 relies on bolt to be connected with ratchet link span 13, and the load that ratchet shaft 3 is born relies on ratchet support 4 to be delivered on ratchet link span 13 and ratchet base 14 and the pillar 19.The steel rope that is wrapped on the ratchet body 1 two ends steamboat is clue end steel rope 11 or clue end compensating rope, link to each other with clue end insulator by balance wheel 15, ball-eye 16, the steel rope that is wrapped on ratchet body 1 bull wheel is falling mound end steel rope 12, link to each other with falling mound with plummet rod 18 by little balance wheel 17, all steel ropes are terminal by in the chock 2 locked wedge shape cavities on the ratchet body.
The utility model falling mound end rope compensation moves and is down " eight " font and moves up and down, all the time be positioned at the middle part of ratchet body, left and right departing from when the change single wire rope moves, wearing and tearing with the ratchet wheel rim, thereby eliminated broken string hidden danger, this structure stress is symmetrical, balance, the defectives such as asymmetric, the irregularity that has overcome that falling mound end single wire rope moves and stressed all the time unbalance loading, thus improved the driving efficiency of ratchet compensating device.
The parts that the present embodiment is not described in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not one by one narration.
Claims (4)
1. electrification railway contact net ratchet compensating device, it is characterized in that: comprise at least: ratchet body (1), ratchet shaft (3), ratchet support (4), cylindrical roller bearing (7), ratchet body (1) is connected to ratchet support (4) inboard by ratchet shaft (3), left and right sides cylindrical roller bearing (7) is embedded in respectively in the circular hole at ratchet body (1) two ends, the left and right sides, ratchet body (1) is connected with ratchet shaft (3) by left and right sides cylindrical roller bearing (7), ratchet body (1) in the ratchet support (4) is little near cylindrical roller bearing (7) two ends diameter, mid diameter is large, the interlude that diameter is large has bull wheel, bull wheel has left and right sides falling mound end steel wire rope groove, end had steamboat about diameter was little, the wired bitter end steel wire rope groove of steamboat, steel rope left end and right-hand member are fixed by clue end steel wire rope groove, steel rope is connected with falling mound after twining by interlude left and right sides falling mound end steel wire rope groove again, the silk grooving forms " eight " font about the steel rope that twines on the falling mound and ratchet body (1) interlude, and falling mound end wirerope-winding is on the left side of ratchet body, can " eight " font in the right spiral vertically on, lower movement.
2. electrification railway contact net ratchet compensating device according to claim 1, it is characterized in that: described cylindrical roller bearing (7) outer ring cooperates with ratchet body (1) two ends endoporus, and inner ring and ratchet shaft (3) two ends cylindrical is connected; Roller bearing end cap (6) is fixed on the ratchet body end flat by slotted countersunk flat head screw (8), between roller bearing end cap (6) and cylindrical roller bearing (7) end face soft vulcanized fiber plate washer (10) is arranged, roller bearing end cap (6) withstands outside race by soft vulcanized fiber plate washer (10), and felt collar (9) is sealed in the inner fluting of roller bearing end cap (6).
3. electrification railway contact net ratchet compensating device according to claim 1, it is characterized in that: captive joint by pin (5) with ratchet support (4) after stretching out ratchet body (1) in described ratchet shaft (3) two ends, and ratchet support (4) is bolted with ratchet link span (13).
4. electrification railway contact net ratchet compensating device according to claim 1, it is characterized in that: the described steel rope that is wrapped on the steamboat of ratchet body (1) two ends is clue end steel rope (11), link to each other with clue end insulator by balance wheel (15), ball-eye (16), the steel rope that is wrapped on ratchet body (1) bull wheel is falling mound end steel rope (12), link to each other with falling mound with plummet rod (18) by little balance wheel (17), all steel ropes are terminal by in the locked wedge shape cavity on the ratchet body of chock (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324593 CN202669538U (en) | 2012-07-06 | 2012-07-06 | Ratchet wheel compensation device for electrical railway contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324593 CN202669538U (en) | 2012-07-06 | 2012-07-06 | Ratchet wheel compensation device for electrical railway contact network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202669538U true CN202669538U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324593 Expired - Fee Related CN202669538U (en) | 2012-07-06 | 2012-07-06 | Ratchet wheel compensation device for electrical railway contact network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202669538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745093A (en) * | 2012-07-06 | 2012-10-24 | 周建科 | Ratchet wheel compensation mechanism for overhead line system of electrified railway and design method |
-
2012
- 2012-07-06 CN CN 201220324593 patent/CN202669538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745093A (en) * | 2012-07-06 | 2012-10-24 | 周建科 | Ratchet wheel compensation mechanism for overhead line system of electrified railway and design method |
| CN102745093B (en) * | 2012-07-06 | 2014-11-12 | 周建科 | Ratchet wheel compensation mechanism for overhead line system of electrified railway and design method |
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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: 20130116 Termination date: 20150706 |
|
| EXPY | Termination of patent right or utility model |