CN103912214A - Portable maintenance box step for electrified railway contact net - Google Patents
Portable maintenance box step for electrified railway contact net Download PDFInfo
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- CN103912214A CN103912214A CN201410153497.0A CN201410153497A CN103912214A CN 103912214 A CN103912214 A CN 103912214A CN 201410153497 A CN201410153497 A CN 201410153497A CN 103912214 A CN103912214 A CN 103912214A
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- vehicle frame
- half vehicle
- support
- ladder
- box step
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Abstract
The invention relates to a portable maintenance box step for an electrified railway contact net. The portable maintenance box step comprises: a, two half vehicle frames (1) which are articulated together, wherein the bottom surface of each half vehicle frame is connected with a wheel (7); b, foldable ladders (2), wherein the half vehicle frames are correspondingly connected with the foldable ladders (2), the upper end of each foldable ladder is connected with a top seat (3) and a guard railing (3c); c, two brake devices (11) and two inclination prevention device components (6), wherein each half vehicle frame is provided with a brake device and an inclination prevention device component respectively. The portable maintenance box step has the advantages that the box step is convenient to disassemble, assemble and carry; as a base of the box step is provided with an inclination prevention device, the dangers that the box step falls from a track and rolls over are avoided; as the inclination prevention device adopts pulley friction steel rails, clamping stagnation during running is avoided; as the inclination prevention device can lift and lifts when the portable maintenance box step passes a switch, the needs of switch passing is satisfied; as a chassis is provided with the brake devices, the start and the stop of the portable maintenance box step can be more safe and flexible to control.
Description
Technical field
The present invention relates to the apparatus for examination and repair of electric railway, particularly a kind of electrification railway contact net maintenance Portable vehicle ladder.
Background technology
Electrification railway contact net maintenance is at present widely used a kind of insulation car ladder that can walk in orbit, and the ladder that it mainly contains both sides forms frame part, and frame roof is provided with footstock and protective guard, and base of frame is provided with the wheel that coordinates walking with track.There is following shortcoming in this insulation car ladder: 1, dismounting trouble, need to connect piecemeal.2, car ladder chassis is entirety, is inconvenient to carry, and can only use Automobile Transportation.3, there is no check mechanism, when the operation of car ladder, brake need to tramp with one's feet, and stops not dead, also likely sprains one's foot.4, do not prevent tilting device, when car ladder in the time that superrelation on curve is larger has the danger of toppling over.5, the distortion of tower wagon body disc easily causes the danger that slides down.
Summary of the invention
Object of the present invention is exactly loaded down with trivial details in order to solve the dismounting of traditional vehicle ladder, the shortcoming of transport inconvenience, poor stability, a kind of electrification railway contact net maintenance Portable vehicle ladder providing.
The technical solution used in the present invention is as follows:
A kind of electrification railway contact net maintenance Portable vehicle ladder, is characterized in that comprising:
A, chassis assembly, it comprises half vehicle frame of two end openings that are connected, on the every side of the openend bottom surface of one and half vehicle frames, be respectively equipped with opening link slot, the every side of another half vehicle frame openend is respectively equipped with a connector, each connector is connected with bearing pin and link slot respectively, above the every side of openend of each half vehicle frame respectively with chain connection;
The every side of each half vehicle frame openend bottom surface is respectively equipped with a latch, by screw bolt and nut by corresponding latch tight joint;
The bottom surface connecting axle bearing of each half vehicle frame, described bearing support and wheel shaft assembly connection, the wheel coordinating with track is equipped with at wheel shaft two ends;
B, car ladder assembly, car ladder assembly comprises folding ladder, the corresponding connection of hinged-support that folding ladder lower end arranges with plane both sides on each half vehicle frame, folding ladder upper end connects footstock and connected protective guard.
On the basis of technique scheme, can there is following further technical scheme:
On brake gear and be connected in the brake pedal apparatus on half vehicle frame, brake pedal apparatus comprises support, described support connects by bearing pin with brake pedal, on described bearing pin, cover has torsion spring, torsion spring one end connects with brake pedal, the other end connects with support, and the brake cable in brake gear is connected on the connection fulcrum on brake pedal apparatus.
Each half vehicle frame one side is respectively equipped with inclining-proof device assembly, and it comprises that level connection joint is in the support of half vehicle frame side, and support one end is provided with bearing, assembles one group of L shaped axle on bearing, and each L shaped axle assembles respectively sliding plate and cylinder, and L shaped axle external part is connected with slide plate.
The present invention has the following advantages:
1, car ladder adopts collapsible car ladder more in the past for convenience detach, is convenient to assembling and carries;
2, car ladder base has inclining-proof device, avoids the danger that slides down and turn on one's side of car ladder, and inclining-proof device adopts pulley friction rail, causes clamping stagnation while avoiding moving, and inclining-proof device can rise in the time of turnout passing in lifting, meets turnout passing needs.
3, chassis configuration braking device, more enough safer start-stops of controlling more flexibly.
Brief description of the drawings:
Fig. 1 is front view stereogram of the present invention;
Fig. 2 is the stereogram that the chassis assembly of Fig. 1 reverses after 180 °;
Fig. 3 is the inclining-proof device assembly stereogram in Fig. 1;
Fig. 4 is working state schematic representation of the present invention.
In order to further illustrate technical scheme of the present invention, be described in detail below by specific embodiment.
A kind of light folding track tower wagon, by following module composition:
One, chassis assembly:
As shown in Figure 1 and Figure 2, chassis assembly comprises half vehicle frame 1 of two end openings that are connected, half vehicle frame 1 of opening becomes opening rectangle by square tubes soldering, plane and two the hinged-support 1a that arrange near non-opening one end face side symmetry on each half vehicle frame 1, each half vehicle frame 1 bottom surface and close open end place arrange latch 1b symmetrically, and latch 1b is provided with through hole.On the openend bottom surface of one of them half vehicle frame 1, cut out symmetrically the link slot 1c of two openings, another one half vehicle frame 1 welds two connector 1d symmetrically at openend, and connector 1d is connected with link slot 1c with bearing pin 12.
In addition, the latch 1b screw bolt and nut tight joint on two and half vehicle frames 1, the upper plane symmetry of two and half vehicle frames 1 arranges hinge 5 and connects.
Two, car ladder assembly
As shown in Figure 1, car ladder assembly comprises that folding ladder 2(is prior art), folding ladder 2 lower ends be provided with perpendicular to side through hole, and connect with the hinged-support 1a assembling in chassis assembly.Folding ladder 2 upper end vertical side are provided with through hole, and connect with the set hinged-support 3a of footstock 3.Footstock 3 is provided with base plate 3b and protective guard 3c, and hinged-support 3a is positioned at base plate 3b below, and respectively near four corners.Described protective guard 3c is in base plate 3b top.Between described two folding ladders 2, several hounds 4 are housed.
Three, axle assembly
As shown in Figure 1 and Figure 2, axle assembly comprises bearing support 8, and described bearing support 8 is connected with the bottom surface of half vehicle frame 1, and near non-openend.Described bearing support 8 and wheel shaft 9 assembly connections, the wheel 7 coordinating with track is equipped with at described wheel shaft 9 two ends.
Four, brake assemblies
As shown in Figure 1 and Figure 2, brake assemblies comprises brake gear 11, and brake gear 11 is service brake device (as the band-type brake of common pedicab), and brake gear 11 is installed on respectively on two axletrees, and two brake gears 11 are diagonal angle layout.Brake pedal 10 in brake assemblies connects with the end face of above-mentioned half vehicle frame 1 non-openend, and two brake pedal apparatus 10 are diagonal angle layout.Described brake pedal apparatus 10 comprises described in support 10c that support 10c brake pedal 10a crosses bearing pin 10b and connects, and described bearing pin 10b cover has torsion spring 10d end described in torsion spring 10d to connect with brake pedal 10b, and the other end and support 10c connect.Described brake cable is connected in connection on brake pedal apparatus 10 and gives directions above, tramps with one's feet and steps on brake pedal apparatus 10 and can tighten up brake cable.
Five, inclining-proof device assembly
As shown in Figure 1, Figure 2 and Figure 3, inclining-proof device assembly 6, comprises support 6a, and support 6a is connected with the hinged-support 1e in chassis assembly.Support 6a one end is provided with bearing 6f, assembles one group of L shaped axle 6b on bearing, and L shaped axle 6b longitudinal arrangement on bearing 6f is in a row.L shaped axle 6b upper assembling sliding plate 6c and cylinder 6d, the upper and lower end face of sliding plate 6c is inclined-plane.L shaped axle 6b lower end and slide plate 6e connect, and slide plate 6e upper surface is inclined-plane, and thin edge.
Operating principle explanation:
Above-mentioned Foldable light tricycle ride ladder adopts accordion structure design, needs to launch assembling before use.As shown in Figure 2, first half vehicle frame 1 of a pair of shaft assembly of assembly wheel, brake assemblies 11, brake pedal assembly 10 and hinge 5 is launched, with bearing pin 12 through the hole on described half vehicle frame 1 and the through hole of connector 1d, and with the latch 1b on this double vehicle frame 1 of screw bolt and nut tight joint.After above-mentioned chassis assembly has been assembled, chassis assembly is moved and is placed on rail, its placement location as shown in Figure 4.
Secondly, as shown in Figure 2, the inclining-proof device assembly having assembled 6 is connect with the hinged-support 1e in chassis assembly, and according to adjusting its position shown in Fig. 4: rail head upper surface or the EDGE CONTACT of above-mentioned sliding plate 6c I shape rail, the rail head lateral surface contact of above-mentioned cylinder 6d I shape rail, the contact of rail head downside inclined-plane and the friction of above-mentioned slide plate 6e I shape rail are slided.
Finally, as shown in Figure 1, the car ladder assembly that assembling is completed and chassis assembly assembling.
Complete after above-mentioned expansion assembling, 1～2, ground pushes away holds up staff that Foldable light tricycle ride ladder is pushed to work place along track, and tramples brake gear 10 and brake.After Foldable light tricycle ride ladder comes to a complete stop, ground pushes away holds up staff to continue the braking of Foldable light tricycle ride ladder, and maintainer can go up ladder maintenance circuit.At whole Foldable light tricycle ride ladder in-orbit in process, comprise after Foldable light tricycle ride ladder has been assembled and move to assigned work position and rest on trackwork, inclining-proof device assembly 6 will be all the time as shown in Figure 4 with the relative position of I shape rail, effectively prevents that Foldable light tricycle ride ladder from toppling over to track both sides.
More than show and described general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. electrification railway contact net maintenance Portable vehicle ladder, is characterized in that comprising:
A, chassis assembly, it comprises half vehicle frame (1) of two end openings that are connected, on the every side of the openend bottom surface of one and half vehicle frames (1), be respectively equipped with opening link slot (1c), the every side of another half vehicle frame (1) openend is respectively equipped with a connector (1d), each connector (1d) uses respectively bearing pin (12) to be connected with corresponding link slot (1c), above the every side of openend of each half vehicle frame (1), is connected respectively with hinge (5);
The every side of each half vehicle frame (1) openend bottom surface is respectively equipped with a latch (1b), by screw bolt and nut by corresponding latch tight joint;
The bottom surface connecting axle bearing (8) of each half vehicle frame (1), bearing support (8) and wheel shaft (9) assembly connection, the wheel (7) coordinating with track is equipped with at wheel shaft (9) two ends;
B, car ladder assembly, comprise folding ladder (2), the corresponding connection of hinged-support (1a) that its lower end arranges with the upper plane of each half vehicle frame (1) both sides, and folding ladder (2) upper end connects footstock (3) and connected protective guard (3c).
2. electrification railway contact net maintenance Portable vehicle ladder according to claim 1, it is characterized in that, on each half vehicle frame, be respectively equipped with brake assemblies, it comprises the brake gear (11) being installed on axletree and is connected in the brake pedal apparatus (10) on half vehicle frame, brake pedal apparatus (10) comprises support (10c), support (10c) connects by bearing pin (10b) with brake pedal (10a), the upper cover of bearing pin (10b) has torsion spring (10d), torsion spring (10d) one end connects with brake pedal (10b), the other end connects with support (10c), brake cable in brake gear (11) is connected on the connection fulcrum on brake pedal apparatus (10).
3. electrification railway contact net maintenance Portable vehicle ladder according to claim 1 and 2, it is characterized in that, each half vehicle frame one side is respectively equipped with inclining-proof device assembly, it comprises that level connection joint is in the support (6a) of half vehicle frame (1) side, support (6a) one end is provided with bearing (6f), on bearing, assemble one group of L shaped axle (6b), each L shaped axle (6b) assembles respectively sliding plate (6c) and cylinder (6d), and L shaped axle (6b) external part is connected with slide plate (6e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153497.0A CN103912214B (en) | 2014-04-17 | 2014-04-17 | Electrification railway contact net maintenance Portable vehicle ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153497.0A CN103912214B (en) | 2014-04-17 | 2014-04-17 | Electrification railway contact net maintenance Portable vehicle ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912214A true CN103912214A (en) | 2014-07-09 |
| CN103912214B CN103912214B (en) | 2015-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410153497.0A Expired - Fee Related CN103912214B (en) | 2014-04-17 | 2014-04-17 | Electrification railway contact net maintenance Portable vehicle ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912214B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612580A (en) * | 2015-01-23 | 2015-05-13 | 上海铁路局合肥供电段 | Box step for overhauling overhead line system of electrified railway |
| CN105150882A (en) * | 2015-08-18 | 2015-12-16 | 中国铁建电气化局集团第五工程有限公司 | Tip-over preventing rapidly-assembled type operation ladder trolley for overhead line system |
| CN107083917A (en) * | 2017-05-13 | 2017-08-22 | 嘉兴汇森集成家居有限公司 | A kind of construction and decoration ladder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017876B (en) * | 2018-09-17 | 2020-03-31 | 株洲时代电子技术有限公司 | Railway maintenance operation platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH160404A (en) * | 1932-01-26 | 1933-03-15 | Aine Jonneret Fils | Rolling ladder. |
| FR2171571A5 (en) * | 1972-02-07 | 1973-09-21 | Hervieu Et Cie | |
| EP0378801A1 (en) * | 1989-01-18 | 1990-07-25 | Schreyer Constructions Metalliques S.A. | Rolling ladder |
| US5941341A (en) * | 1993-09-01 | 1999-08-24 | Gillis; Donald G. | Mobile ladder stand |
| CN201513113U (en) * | 2009-10-10 | 2010-06-23 | 厦门荣自达机械有限公司 | Ladder assembly for aircraft maintenance |
| CN203846986U (en) * | 2014-04-17 | 2014-09-24 | 房国军 | Portable box step for overhauling electronic railway connecting net plane |
-
2014
- 2014-04-17 CN CN201410153497.0A patent/CN103912214B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH160404A (en) * | 1932-01-26 | 1933-03-15 | Aine Jonneret Fils | Rolling ladder. |
| FR2171571A5 (en) * | 1972-02-07 | 1973-09-21 | Hervieu Et Cie | |
| EP0378801A1 (en) * | 1989-01-18 | 1990-07-25 | Schreyer Constructions Metalliques S.A. | Rolling ladder |
| US5941341A (en) * | 1993-09-01 | 1999-08-24 | Gillis; Donald G. | Mobile ladder stand |
| CN201513113U (en) * | 2009-10-10 | 2010-06-23 | 厦门荣自达机械有限公司 | Ladder assembly for aircraft maintenance |
| CN203846986U (en) * | 2014-04-17 | 2014-09-24 | 房国军 | Portable box step for overhauling electronic railway connecting net plane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612580A (en) * | 2015-01-23 | 2015-05-13 | 上海铁路局合肥供电段 | Box step for overhauling overhead line system of electrified railway |
| CN105150882A (en) * | 2015-08-18 | 2015-12-16 | 中国铁建电气化局集团第五工程有限公司 | Tip-over preventing rapidly-assembled type operation ladder trolley for overhead line system |
| CN107083917A (en) * | 2017-05-13 | 2017-08-22 | 嘉兴汇森集成家居有限公司 | A kind of construction and decoration ladder |
| CN107083917B (en) * | 2017-05-13 | 2018-09-21 | 曙光建设有限公司 | A kind of construction and decoration ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912214B (en) | 2015-12-16 |
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Granted publication date: 20151216 Termination date: 20190417 |