CN201540787U - Modular clamping rail fixing braking resistance - Google Patents
Modular clamping rail fixing braking resistance Download PDFInfo
- Publication number
- CN201540787U CN201540787U CN2009200340296U CN200920034029U CN201540787U CN 201540787 U CN201540787 U CN 201540787U CN 2009200340296 U CN2009200340296 U CN 2009200340296U CN 200920034029 U CN200920034029 U CN 200920034029U CN 201540787 U CN201540787 U CN 201540787U
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- CN
- China
- Prior art keywords
- insulating part
- draw point
- steel needle
- band
- draw
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- Expired - Lifetime
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Abstract
The utility model relates to a modular clamping rail fixing braking resistance at least comprising a resistance belt assembly 1, a first insulating piece 2 with a steel needle, a second insulating piece 3 without a steel needle, a sleeve 4, clamping rails 5 and supporting plates 6, wherein the clamping rails 5 at the upper side and the lower side are held and fixed by the supporting plates 6 at the right and the left; a front clamping groove and a rear clamping groove are arranged at the bottom of the first insulating piece 2 with a steel needle, and a thread screw is arranged at the head part; the clamping rails 5 at the upper side and the lower side are evenly connected with the front clamping groove and the rear clamping groove for fixing the first insulating piece 2 with a steel needle along the clamping rail direction; at the same direction, the second insulating piece 3 without a steel needle is arranged between the front clamping groove and the rear clamping groove of the first insulating piece 2 with a steel needle; the resistance belt assembly 1 is in a belt lap winding structure, and a location hole is arranged at the bending position of the resistance belt assembly 1; the thread screw on the head part of the first insulating piece 2 with a steel needle is sheathed in the location hole of the resistance belt assembly 1 to fix the resistance belt assembly 1; and the sleeve 4 is sheathed on the steel needle of the first insulating piece 2 with a steel needle. The utility model has the advantages of that the volume of a resistance unit is reduced to the smallest; the assembly is simple; and the performance is reliable.
Description
Technical field
The utility model belongs to the modular high-power brake resistance, particularly relate to the fixed brake resistance of a kind of modular card rail, be applicable to the moving resistance of controlling of watercraft electric propulsion system, electric locomotive and railcar trailer system, crane electric drive system, mining machinery trailer system, elevator hoist system, be when system implementation is braked, electric energy changed into the device of heat energy.
Background technology
Existing brake resistance fixed form is: the two edges of resistive band are embedded in the broach of comb shape cleat insulator, column passes cleat insulator in the resistive band outside and is fixed on the lower carrier plate, its defective is under "on" position, and Yin Gaowen or high vibration resistive band are easily deviate from cleat insulator, cause short circuit; The outside and the last lower carrier plate that are positioned at resistive band because of column are fixed, and cause the resistance unit volume excessive; The comb shaped structure of original cleat insulator is subjected to the restriction of resistive band bending number and bending height, and the kind of cleat insulator is many.
Summary of the invention
The purpose of this utility model provides the fixed brake resistance of a kind of modular card rail, so as to solve original brake resistance fixed form complexity, yielding, the easy problem of short-circuit of resistive band under "on" position, make the resistance unit volume reduce to minimum, assembling is simple, dependable performance. modular construction is given maintenance and is exchanged and offers convenience, for various resistor box provides compound mode more flexibly.
Target of the present utility model is to realize like this, the fixed brake resistance of a kind of modular card rail, it is characterized in that: comprise the resistive band assembly at least, first insulating part, second insulating part, sleeve pipe, the card rail, support plate, left and right sides support plate will block rail up and down and grip into frame structure, draw-in groove before and after first insulating part bottom of band draw point has, the threaded screw thread of head, blocking rail up and down evenly is connected with the front and back draw-in groove of first insulating part of fixed band draw point along card rail direction, in same direction, second insulating part of not being with draw point is arranged between the front and back draw-in groove of first insulating part of two band draw points, the resistive band assembly is banded lap wound structure, bending part has location hole, and the threaded screw thread of head of first insulating part of band draw point pierces into the location hole of resistive band assembly the resistive band assembly is fixed, and sleeve pipe is through on the draw point of first insulating part of being with draw point.
The number of second insulating part and resistive band gap H concern according to following formula:
H＝(H
1+nH
2)/2
H
1Be band draw point insulating part thickness,
H
2For not being with draw point insulating part thickness.
Characteristics of the present utility model are:
1. the resistive band assembly is the lap wound structure, strengthens its intensity.
2. the resistive band assembly links to each other with draw point at its bending part, and middle no fixture blocks more sharp heat radiation.
3. the steel bushing on the draw point guarantees that the longitudinal dilatation of resistive band when hot do not cause the resistive band distortion, and guaranteeing has enough heat radiation gaps between resistive band and the insulating material.
4. realize insulation by insulating part between card rail and resistive band.
5. the adjustable gaps of resistive band.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is the A-A direction cutaway view of Fig. 1.
Among the figure: 1, resistive band assembly; 2, first insulating part; 3, second insulating part; 4, steel bushing; 5, card rail; 6, support plate.
Embodiment
As Fig. 1, shown in Figure 2, the fixed brake resistance of a kind of modular card rail, at least comprise resistive band assembly 1, first insulating part 2 of band draw point, not with second insulating part 3 of draw point, sleeve pipe 4, card rail 5, support plate 6, left and right sides support plate 6 will block rail 5 up and down and grip into frame structure, draw-in groove before and after first insulating part, 2 bottoms of band draw point have, the threaded screw thread of head, blocking rail 5 up and down evenly is connected with the front and back draw-in groove of first insulating part 2 of fixed band draw point along card rail directions, in same direction, second insulating part 3 of not being with draw point is arranged between the front and back draw-in groove of first insulating part 2 of two band draw points; Resistive band assembly 1 is banded lap wound structure, bending part has location hole, and the threaded screw thread of head of first insulating part 2 of band draw point pierces into the location hole of resistive band assembly 1 resistive band assembly 1 is fixed, and realizes accessible fixing, reduce the workload of welding and assembling, and help heat radiation.Sleeve pipe 4 is through between the insulated part of the insulating part 2 that had both guaranteed resistive band assembly 1 and band draw point on the draw point of first insulating part 2 of band draw point enough heat radiation gaps, provides extendable room for 1 temperature distortion of resistive band assembly simultaneously.Adjust not the purpose that can not reach the accommodation zone spacing, be configured, be combined into the modularization brake resistance with the needs that reach according to the different size grade with the number of second insulating part 3 of draw point with draw point.Card rail 5 is used to insulation to support between providing.
The utility model satisfies the needs of different size resistance by do not regulate the gap of 1 two fixing points of equidirectional resistive band assembly with the number of second insulating part 3 of draw point:
The number of second insulating part 3 and resistive band gap H concern according to following formula:
H＝(H
1+nH
2)/2
H
1Be band draw point insulating part thickness,
H
2For not being with draw point insulating part thickness.
Claims (2)
1. fixed brake resistance of modular card rail, it is characterized in that: comprise resistive band assembly (1) at least, first insulating part (2), second insulating part (3), sleeve pipe (4), card rail (5), support plate (6), left and right sides support plate (6) will block rail (5) up and down and grip into frame structure, draw-in groove before and after first insulating part (2) bottom of band draw point has, the threaded screw thread of head, blocking rail (5) up and down evenly is connected with the front and back draw-in groove of first insulating part (2) of fixed band draw point along card rail direction, in same direction, second insulating part (3) of not being with draw point is arranged between the front and back draw-in groove of first insulating part (2) of two band draw points, resistive band assembly (1) is banded lap wound structure, bending part has location hole, the threaded screw thread of head of first insulating part (2) of band draw point pierces into the location hole of resistive band assembly (1) resistive band assembly (1) is fixed, and sleeve pipe (4) is through on the draw point of first insulating part (2) of being with draw point.
2. the fixed brake resistance of modular card rail according to claim 1 is characterized in that: the number of described second insulating part (3) and resistive band gap H concern according to following formula:
H＝(H
1+nH
2)/2
H
1Be band draw point insulating part thickness,
H
2For not being with draw point insulating part thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200340296U CN201540787U (en) | 2009-07-28 | 2009-07-28 | Modular clamping rail fixing braking resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200340296U CN201540787U (en) | 2009-07-28 | 2009-07-28 | Modular clamping rail fixing braking resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540787U true CN201540787U (en) | 2010-08-04 |
Family
ID=42592245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200340296U Expired - Lifetime CN201540787U (en) | 2009-07-28 | 2009-07-28 | Modular clamping rail fixing braking resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201540787U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592766A (en) * | 2011-01-07 | 2012-07-18 | 苏州电器科学研究院股份有限公司 | Direct current component restricting resistor in high voltage test |
| CN105035963A (en) * | 2015-09-10 | 2015-11-11 | 无锡市运达机械有限公司 | Crane resistor safety protection device |
| CN107369507A (en) * | 2017-07-27 | 2017-11-21 | 湖南福德电气有限公司 | A kind of band resistance device being easily installed |
-
2009
- 2009-07-28 CN CN2009200340296U patent/CN201540787U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592766A (en) * | 2011-01-07 | 2012-07-18 | 苏州电器科学研究院股份有限公司 | Direct current component restricting resistor in high voltage test |
| CN102592766B (en) * | 2011-01-07 | 2015-02-18 | 苏州电器科学研究院股份有限公司 | Direct current component restricting resistor in high voltage test |
| CN105035963A (en) * | 2015-09-10 | 2015-11-11 | 无锡市运达机械有限公司 | Crane resistor safety protection device |
| CN107369507A (en) * | 2017-07-27 | 2017-11-21 | 湖南福德电气有限公司 | A kind of band resistance device being easily installed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XI'AN RAILWAY SIGNAL CO., LTD. Free format text: FORMER NAME: XI'AN RAILWAY SIGNAL FACTORY |
|
| CP03 | Change of name, title or address |
Address after: 710048 Xi'an South Railway Station, Shaanxi Province, No. 3 Xi'an railway signal Co., Ltd. Patentee after: Xi'an Railway Signal Co., Ltd. Address before: 710048 No. 3 Jinhua South Road, Shaanxi, Xi'an Patentee before: Xi'an Railway Signal Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |