CN202716751U - Tension compensator - Google Patents
Tension compensator Download PDFInfo
- Publication number
- CN202716751U CN202716751U CN 201220131325 CN201220131325U CN202716751U CN 202716751 U CN202716751 U CN 202716751U CN 201220131325 CN201220131325 CN 201220131325 CN 201220131325 U CN201220131325 U CN 201220131325U CN 202716751 U CN202716751 U CN 202716751U
- Authority
- CN
- China
- Prior art keywords
- mentioned
- tension compensator
- parts
- tension
- tubular
- 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
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to a tension compensator, which can reduce the sliding drag of tubular parts during extension and retraction, and the service life of the tension compensator can be prolonged. The tension compensator is provided with a plurality of tubular parts, a plurality of elastic parts, a plurality of inward flange parts and a plurality of outward flange parts, wherein the tubular parts are coaxially embedded in different radiuses, the tubular parts can respectively do relative movement along the axis direction, the elastic parts are respectively coaxially clamped between the two tubular parts which are adjacent in the radial direction, the inward flange parts are respectively arranged at the end of one square side of the corresponding tubular part, the outward flange parts are respectively arranged at the end of the other square side of the corresponding tubular part, and the circumferential part of the radial inside of the corresponding inward flange part and the circumferential part of the radial inside of the corresponding outward flange part are respectively provided with a chamfer part.
Description
Technical field
The utility model relates to the tension compensator that can better the tension variation of railway power supply fare automatically be adjusted into regulation tension force, relates in particular to the tension compensator of the sliding resistance when reducing tin section fore and aft motion.
Background technology
The air wire that railway is used, particularly contact line (stringing, auxiliary stringing etc.), can stretch, creep because of the variation of the meteorologies such as temperature, wind, snow, thereby cause the tension force of stringing to change, when the tension variation of stringing is large, can make a very bad impression to current collection, and when electric car was run at high speed, pantograph acutely shook, thereby have the collision of pantograph and strain clamp, or pantograph off-line and be difficult to keep the danger of safety traffic.
In order to prevent the problems referred to above, need to use tension compensator that the tension variation of stringing is automatically adjusted within the specific limits, so that stringing tension force keeps constant.Proposed to have tension compensator as shown in Figure 1 in the past, this tension compensator has: bar, inner core, urceolus and shell, their coaxial settings, and make bar, inner core, urceolus respectively being contained in shell along the mode that axis direction relatively moves according to order from inside to outside; A plurality of inward flange section, they are separately positioned on side's side of shell, urceolus and inner core; A plurality of export-oriented flange parts, they are separately positioned on the opposing party's side of urceolus, inner core and bar, and wherein inward flange section and export-oriented flange part are arranged on opposite position along axis direction; A plurality of elastomeric elements, they are installed between the inner and outer circumferential surfaces of shell and urceolus, urceolus and inner core and inner core and bar coaxially, to the direction application of force that makes their retraction shells, the two ends of each elastomeric element are locked by inward flange section and export-oriented flange part respectively to urceolus, inner core and bar.
As shown in Figure 1, the urceolus 2 of tension compensator, inner core 3 and bar 4 are accommodated in the shell 1 when assembling, and can be outstanding to the right side of figure.Shell 1 is fixed in pillar (omit diagram) via the pillar side connecting part 7 that is installed in its rear end, and via with the rope of perforate support 9 combinations of the upper surface that is installed in shell 1 by pillar supporting.And the end of stringing and line connecting part 8 combinations that are installed on the jag of bar 4 spur contact line via electric wire.
Yet, shown in Fig. 4 (a) and (b), above-mentioned tension compensator in the past is because the part that spring perch contacts with cylinder section is the right angle, therefore when producing tension force, shell 1 tilts because of the deadweight of tension compensator etc., might make like this to produce eccentric along bar 4, inner core 3 and the urceolus 2 of axis direction turnover shell 1 with respect to the axle center of shell 1.Producing under the eccentric state, when bar 4, inner core 3 and urceolus 2 carry out fore and aft motion, then the angle of the circumference of each flange part 2a～4a, 1b～3b can with outer peripheral face or the inner peripheral surface moving contact of opposed cylinder section, thereby have the larger problem of sliding resistance.
And then, spring perch causes the stringing tension variation inhomogeneous with the sliding resistance conference of cylinder section, elastic hysteresis, therefore the tension force that dangles of contact line is affected, can make the tension variation of stringing excessive when serious, abnormal and can't satisfy operating needs, in addition, because the life-span of tension compensator is by the Determines of cylinder section, if spring perch and cylinder section then can affect the life-span of a section with the long-term cliding friction of larger sliding resistance, and then the service life of reducing tension compensator, particularly at temperature, when using in the blast variation harsh environment greatly, the problems referred to above are particularly outstanding.Therefore expect a kind of can reduce a tin section fore and aft motion time sliding resistance, reduce elastic hysteresis and realize non-maintaining tension compensator.
The utility model content
The utility model is to make in view of above situation, even it is a kind of when using in temperature, blast change large harsh environment that its purpose is to provide, the sliding resistance in the time of also can reducing the cartridge fore and aft motion, reduce elastic hysteresis and realize non-maintaining tension compensator.
In order to solve above-mentioned problem, the first technical scheme of the present utility model provides a kind of tension compensator, and this tension compensator has: a plurality of cartridges, and they nestedly arrange and can relatively move along axis direction respectively so that different radiuses is coaxial; A plurality of elastomeric elements, they clamp respectively between two above-mentioned cartridges of diametrically adjacent setting coaxially; A plurality of inward flange section, they are separately positioned on the end of side's side of above-mentioned cartridge; A plurality of export-oriented flange parts, they are separately positioned on the end of the opposing party's side of above-mentioned cartridge, this tension compensator is characterised in that, at the circumference of the radial outside of the circumference of the radially inner side of above-mentioned inward flange section and above-mentioned export-oriented flange part chamfered section is set.
The second technical scheme of the present utility model is on the basis of the first technical scheme, it is characterized in that, above-mentioned chamfered section is the gently sloping surface.
The 3rd technical scheme of the present utility model is on the basis of the first technical scheme, it is characterized in that, above-mentioned chamfered section is rounding.
The 4th technical scheme of the present utility model is on the basis of the second technical scheme, it is characterized in that, above-mentioned gently sloping surface is with respect to the angle of the axis direction scope at 10 °～45 °.
The 5th technical scheme of the present utility model is on the basis of the 4th technical scheme, it is characterized in that, above-mentioned gently sloping surface is with respect to the angle of the axis direction scope at 10 °～20 °.
The 6th technical scheme of the present utility model is on the basis of the first technical scheme, it is characterized in that, above-mentioned elastomeric element is coil spring.
Use tension compensator of the present utility model, can be because of deadweight level of damage degree when after setting up, producing tension force, even cartridge carries out fore and aft motion having produced under the eccentric state, by the chamfered section that arranges at the circumference that locks helical spring each flange part, just can avoid the bight of flange part and the inner and outer circumferential surfaces moving contact of opposed cartridge, therefore can not produce very large sliding resistance.Even in temperature, blast variation harsh environment greatly, when the fore and aft motion of cartridge is frequent, also can reduce sliding resistance, the reduction elastic hysteresis of the inner and outer circumferential surfaces of flange part and cartridge, suppress the tension variation rate of stringing lower, thereby can better the tension variation of railway power supply fare automatically be adjusted into the tension force of regulation, and can realize non-maintaining.
Description of drawings
Fig. 1 is the constructional drawing of tension compensator.
Fig. 2 is that the A arrow of Fig. 1 is to view.
Fig. 3 is that the B arrow of Fig. 1 is to view.
Fig. 4 (a) is the schematic diagram of the spring perch of tension compensator in the past, (b) is the enlarged diagram of the shape of the spring perch at A place in the expression (a).
Fig. 5 is the enlarged diagram of the shape of the spring perch of an embodiment of the present utility model that is export-oriented flange part.
Description of reference numerals:
1 ... shell; 2 ... urceolus; 3 ... inner core; 4 ... bar; 5 ... coil spring; 7 ... pillar side connecting part; 8 ... the line connecting part; 9 ... the perforate support; 2a, 3a, 4a ... export-oriented flange part (spring perch); 1b, 2b, 3b ... inward flange section (spring perch); 2a-1,2a-2: gently sloping surface.
The specific embodiment
Below based on accompanying drawing an embodiment of the present utility model is described.
Fig. 1 is the constructional drawing of tension compensator.Fig. 2 is that the A arrow of Fig. 1 is to view.Fig. 3 is that the B arrow of Fig. 1 is to view.Fig. 4 (a) is the schematic diagram of the spring perch of tension compensator in the past, (b) is the enlarged diagram of the shape of the spring perch at A place in the expression (a).Fig. 5 is the enlarged diagram of the shape of the spring perch of an embodiment of the present utility model that is export-oriented flange part.In addition, for the identical Reference numeral of the part mark identical with past case, and description thereof is omitted.
The assembled state that has represented tension compensator among Fig. 1, the tension compensator of the present embodiment, with bar 4, inner core 3, urceolus 2 and shell 1 coaxial setting, and make bar 4, inner core 2 and urceolus 1 respectively can being contained in along the mode that axis direction moves in the shell 1 cylindraceous according to from inside to outside order, and begin successively coil spring 5 to be installed in coaxially between the inner and outer circumferential surfaces of bar 4, inner core 3, urceolus 2 and shell 1 from the inboard.Fig. 2 is that the A arrow of Fig. 1 is to view.Fig. 3 is that the B arrow of Fig. 1 is to view.
Coil spring 5 respectively to urceolus 2, inner core 3 and bar 4 to the direction application of force that makes their retraction shells 1, the two ends of coil spring 5 are locked by export- oriented flange 2a, 3a, 4a and inward flange 1b, 2b, 3b respectively.
The export-oriented flange part 2a of tension compensator of the present utility model, 3a, 4a and the 1b of inward flange section, 2b, 3b, shown in the spring perch that represents such as Fig. 5 that is the main portion amplification view of export-oriented flange part 2a, in the edge, both sides of the radial outside of export-oriented flange part 2a that is circumference be formed with gently sloping surface 2a-1,2a-2 as chamfered section.Such gently sloping surface is arranged at respectively the circumference of the radially inner side of the circumference of radial outside of each export-oriented flange part 2a, 3a, 4a and each 1b of inward flange section, 2b, 3b.Therefore even urceolus 2, inner core 3 and bar 4 carry out fore and aft motion having produced under the eccentric state, owing to being provided with the gently sloping surface at each flange part, therefore can not produce the problem of corner impact urceolus 2, inner core 3 and the bar 4 of flange part, thereby sliding resistance increases during the anti-skidding contact, can guarantee to slide swimmingly.
In addition, the gently sloping surface is preferably 10 °～45 ° scope, more preferably 10 °～20 ° scope in the present embodiment with respect to the angle [alpha] of axis.
As mentioned above, the tension compensator that chamfered section is not set with in the past the circumference at each flange part is compared, according to the utility model, owing at the circumference that locks helical spring each flange part the gently sloping surface being set, even therefore produce off-centre each other so that the angle of flange part is carried out in the situation of fore and aft motion on one side with the inner and outer circumferential surfaces moving contact on one side in cylinder section, just can guarantee to slide smoothly by the gently sloping surface, therefore can not damage the function of tension compensator.
Embodiment described above is an example only, certainly is not limited to this.For example, although be by the radially inner side at the circumference of the radial outside of the circumference of each export-oriented flange part and each inward flange section the gently sloping surface to be set in the present embodiment, reduce the moving contact with cylinder section, but be not limited to this, also can replace the gently sloping surface and rounding is set.As long as when producing each other off-centre and carrying out telescopic moving in cylinder section, do not make bight and the collision of each of each export-oriented flange part, inward flange section, then the shape of chamfered section is not done restriction.
Above; although tension compensator of the present utility model is illustrated; but the utility model is not limited to the embodiment of above-mentioned explanation; in the scope that does not break away from purport of the present utility model, can carry out various distortion and combination, and these distortion and combination are also included within the protection domain of the present utility model.
Claims (6)
1. tension compensator has:
A plurality of cartridges, they nestedly arrange and can relatively move along axis direction respectively so that different radiuses is coaxial;
A plurality of elastomeric elements, they clamp respectively between two above-mentioned cartridges of diametrically adjacent setting coaxially;
A plurality of inward flange section, they are separately positioned on the end of side's side of above-mentioned cartridge;
A plurality of export-oriented flange parts, they are separately positioned on the end of the opposing party's side of above-mentioned cartridge,
This tension compensator is characterised in that,
Circumference at the radial outside of the circumference of the radially inner side of above-mentioned inward flange section and above-mentioned export-oriented flange part arranges chamfered section.
2. tension compensator according to claim 1 is characterized in that,
Above-mentioned chamfered section is the gently sloping surface.
3. tension compensator according to claim 1 is characterized in that,
Above-mentioned chamfered section is rounding.
4. tension compensator according to claim 2 is characterized in that,
Above-mentioned gently sloping surface is with respect to the angle of the axis direction scope at 10 °～45 °.
5. tension compensator according to claim 4 is characterized in that,
Above-mentioned gently sloping surface is with respect to the angle of the axis direction scope at 10 °～20 °.
6. tension compensator according to claim 1 is characterized in that,
Above-mentioned elastomeric element is coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220131325 CN202716751U (en) | 2012-03-30 | 2012-03-30 | Tension compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220131325 CN202716751U (en) | 2012-03-30 | 2012-03-30 | Tension compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202716751U true CN202716751U (en) | 2013-02-06 |
Family
ID=47618584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220131325 Expired - Lifetime CN202716751U (en) | 2012-03-30 | 2012-03-30 | Tension compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202716751U (en) |
-
2012
- 2012-03-30 CN CN 201220131325 patent/CN202716751U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102390395B (en) | Horizontal buffer for locomotive bogie | |
| CN202716751U (en) | Tension compensator | |
| CN201179819Y (en) | Novel vehicle wheel | |
| CN203739570U (en) | Shock-absorption suspension and vehicle | |
| CN203567476U (en) | Polyurethane filling type solid tire | |
| CN202271997U (en) | Grounding device and electric locomotive | |
| CN104032685A (en) | Anti-collision road sign | |
| CN208842593U (en) | Vertical rotatable fender and roll-on/roll-off vessel for vehicle | |
| CN204030794U (en) | Electric motor end cap fixing structure | |
| CN202703321U (en) | Tension compensator | |
| CN205044439U (en) | Bilayer structure's open -air explosion -proof tire | |
| CN204455909U (en) | A kind of security protection guardrail | |
| CN205592316U (en) | A buffering tray for bumper shock absorber | |
| CN206528296U (en) | A kind of flexible member, damper and suspension system | |
| CN204403090U (en) | Locking Anti-extrusion device | |
| CN204196649U (en) | A kind of torsion beam rear suspension bush assembly | |
| CN204674303U (en) | One has double-deck trouble-proof tire | |
| CN202847320U (en) | Tire screw loosening prompting cap | |
| CN203945913U (en) | Novel trailer balance shaft | |
| CN203034883U (en) | Communication tower manhole structure with reinforcing ring | |
| CN102700403A (en) | Automobile exhaust pipe suspension hook | |
| CN203198680U (en) | Automobile rear bridge suspension balanced pull rod | |
| CN203474359U (en) | Hydraulic jack head for large tonnage engineering | |
| CN202971693U (en) | Novel spring used for automobile shock absorber | |
| CN202764634U (en) | Suspension system and truck crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |