CN101660722A - Electrical adjusting device for locomotive head lamp - Google Patents

Electrical adjusting device for locomotive head lamp Download PDF

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Publication number
CN101660722A
CN101660722A CN200910075499A CN200910075499A CN101660722A CN 101660722 A CN101660722 A CN 101660722A CN 200910075499 A CN200910075499 A CN 200910075499A CN 200910075499 A CN200910075499 A CN 200910075499A CN 101660722 A CN101660722 A CN 101660722A
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China
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head lamp
connecting rod
locomotive
reducing motor
lamp base
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CN200910075499A
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CN101660722B (en
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任殿伟
张若鹏
温雅宇
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Abstract

The invention relates to the technical field of railway locomotive head lamps, in particular to an electrical adjusting device for a locomotive head lamp, which can overcome the problems of poor focusing, difficult adjustment of irradiating distance, low reliability and poor maintainability of the existing locomotive head lamp. The electrical adjusting device for the locomotive head lamp comprisesa head lamp base which comprises a head lamp bottom plate and a supporting arm for a reflector assembly, and the reflector assembly which comprises a reflector bracket and a reflector fronting boss,a linear guide rail is erected and arranged above the reflector fronting boss and is provided with a lamp base slider, and a lamp is arranged on the lamp base slider; a first decelerating motor and asecond decelerating motor are arranged below the reflector fronting boss, the first decelerating motor is articulated with the lamp base slider by a first crank and a first connecting rod, and the second decelerating motor is articulated with the head lamp base by a second crank and a second connecting rod. The electrical adjusting device for the locomotive head lamp has the advantages of simple structure, convenient operation, easy and convenient maintenance, low cost and the like, and the device solves problems which remain undecided for a long time in the railway locomotive field.

Description

Electrical adjusting device for locomotive head lamp
Technical field
The present invention relates to a kind of railway locomotive head lamp technical field, specifically is a kind of electrical adjusting device for locomotive head lamp.
Background technology
Known, when train moved in night and tunnel, engine hatch lamp directly influenced the locomotive crew and watches from a height or a distance observation the place ahead circuit situation, and engine hatch lamp plays an important role to safe train operation.
At present, common engine hatch lamp is made of head lamp pedestal (comprising head lamp base plate and mirror assembly supporting arm), mirror assembly (comprising reflector bracket and the preposition boss of reflective mirror that reflective mirror is installed), bulb and power supply circuits for triggering thereof, it is adjusted structure and adopts semifixed mode, uses bolt/screw rod manually to adjust.Domestic present principal mode electric locomotive is Shaoshan series electric locomotive, its head lamp of installing now can be used as the representative of common machine headlight, its structure is as shown in Figure 8: head lamp base plate 1 and mirror assembly supporting arm 2 are rigidly connected, constitute the head lamp pedestal, the preposition boss 5 of reflector bracket 4 and reflective mirror is rigidly connected, constitute mirror assembly, form hinge by mirror assembly rotating shaft 17 between head lamp pedestal and the mirror assembly and be connected.Its irradiation distance guiding mechanism is made of screw rod 22, reflector bracket internal thread hole 23, and artificial rotary screw 22 changes the luffing angle of mirror assembly, can carry out the irradiation distance adjustment to engine hatch lamp; Its focusing guiding mechanism is made of the bolting hole 21 of the lamp base 24 that bulb 6 is installed on it, stud 20, the preposition boss 5 of mirror assembly, manually adjusts the diverse location of stud 20 in bolting hole 21 and can focus on adjustment to engine hatch lamp.The semifixed mode that this type of adjusts structure makes head lamp adjust difficulty in the practice of locomotive.For a long time, engine hatch lamp poor focusing, the irradiation distance that causes thus crossed near far excessively problem becomes the feedback focus of locomotive operation department and the working difficult point of locomotive maintenance department.
Over 30 years, the structure of engine hatch lamp is not done any innovation always, and the problem that exists in the utilization of locomotive and maintenance of the common machine headlight of Shi Yonging is as follows now:
1, there is practical difficulty in the adjustment of engine hatch lamp: engine hatch lamp is installed in the containment envelope of drivers' cab top, need open guard shield when adjusting light, unclamp screw adjustment with instrument, holding screw again after adjusting, and switch lamp is tested, its adjustment process need be carried out repeatedly repeatedly to find the optimum position, exist and adjust inconvenience, the drawback of complex operation, and the ultraviolet ray of head lamp maintenance personal's eyes, the skin that is easy to burn in this process, also there is the risk of scalding the maintenance personal in parts such as the bulb under the condition of high temperature, reflective mirror.
2, reorganize and outfit a debugging and have limitation: the locomotive servicing line length is shorter, and big multiple being associated in together of locomotive, does not possess the required distance of debug machine headlight, therefore causes the head lamp debugging effect of reorganizing and outfit locomotive in most storehouses undesirable, maybe can not debug.
3. the locomotive crew wishes and can can't realize but have the common machine headlight now according to different circuit situations from main regulation headlight irradiation distance.
4, the adjustment situation of head lamp in the locomotive operation: the bulb of engine hatch lamp generally adopts mercury xenon lamp or Metal halogen lamp, work in big electric current, the condition of high temperature, its ordinary life is shorter, replacing bulb is comparatively frequent, engine hatch lamp is more changing the bulb after often need adjustment again, therefore the adjustment of engine hatch lamp generally occurs in locomotive servicing and the train operation way, rather than occur in locomotive periodical repair, supplementally take etc. in the inside the plan maintenance.
In sum, the in use existing problems of existing engine hatch lamp are that people are unsolved always for a long time.
Via the online patent retrieval of State Intellectual Property Office, " People's Republic of China (PRC)/open (bulletin) number: CN101003278/ open (bulletin) day: 2007.07.25/ automatic track seeking system of headlight of locomotive ", " People's Republic of China (PRC)/open (bulletin) number: CN101077711/ open (bulletin) day: 2007.11.28/ can adjust the railway locomotive head lamp device of irradiating angle automatically with landform " patent document, more than two schemes all based on GIS-Geographic Information System, solved the problem that turns to of engine hatch lamp with computer autocontrol technique, its advantage is the automaticity height, but because its circuit and complicated in mechanical structure, cause its cost higher, and in this type of scheme, adjusting device must be safeguarded by the professional and technical personnel, hands-on background with the field maintenance personnel in the work of locomotive operation and maintenance disconnects mutually, Reliability ﹠ Maintainability in actual applications is relatively poor, in addition, the complexity of this type of scheme also influences its reliability.
Based on above reason, railway locomotive department presses for a kind of highly reliable, low-cost and engine hatch lamp adjusting device of being easy to safeguard.
Summary of the invention
The present invention exists in order to overcome existing common machine headlight adjusting device that the focusing of headlamps is bad, irradiation distance was crossed far to cross and is difficult for the problem adjusted when near, and overcome that the reliability that prior art exists is low, cost is high, the problem of maintainable difference, a kind of highly reliable, low-cost and electrical adjusting device for locomotive head lamp of being easy to safeguard is provided.
The present invention adopts following technical scheme to realize: electrical adjusting device for locomotive head lamp, comprise by the head lamp base plate and be positioned at the head lamp pedestal that the mirror assembly supporting arm at head lamp base plate two ends constitutes, also comprise by the reflector bracket that reflective mirror is housed and be fixed on the mirror assembly that the preposition boss of reflective mirror on the reflector bracket constitutes, the reflector bracket both sides are hinged with the mirror assembly supporting arm respectively, the preposition boss of reflective mirror top is provided with bulb, innovative point of the present invention is to have set up line slideway above the preposition boss of reflective mirror, the lamp base slide block that cooperatively interacts with it is installed on line slideway, and bulb is installed on the lamp base slide block; Two ends, reflective mirror preposition boss below are separately installed with first reducing motor and second reducing motor, first reducing motor is hinged by first crank, first connecting rod and lamp base slide block, and second reducing motor is hinged by second crank, second connecting rod and head lamp pedestal; First reducing motor and second reducing motor are serially connected with hand control switch respectively on the power supply control loop that inserts locomotive control power.
Adopt structural design of the present invention, first reducing motor is fixed in the preposition boss of reflective mirror, hinged by first crank, first connecting rod and lamp base slide block, the lamp base slide block is installed on the line slideway that is fixed in the preposition boss of reflective mirror, constitute slider-crank mechanism with upper-part, first reducing motor drives slider-crank mechanism, constitute and focus on guiding mechanism, its schematic diagram as shown in Figure 4, make the lamp base slide block do slow straight reciprocating motion along line slideway, regulate bulb in the axial position of the key light of reflective mirror, realize the adjusting of the focusing of headlamps; Second reducing motor is fixed in the preposition boss of reflective mirror, hinged by second crank, second connecting rod and head lamp pedestal, constitute crank and rocker mechanism with upper-part, second reducing motor drives crank and rocker mechanism, constitute the irradiation distance guiding mechanism, its schematic diagram makes mirror assembly do slow sector reciprocating motion around the pin joint of itself and reflector bracket as shown in Figure 5, regulate the luffing angle of mirror assembly, thereby change the irradiation distance of head lamp.Adopt operating personnel's hand control switch, to connect the power supply of reducing motor, motion moves in a looping fashion, and operating personnel observe the light situation, and the back cut-off switch of adjusting to the right place is promptly finished adjustment process.The supplementary notes of above-mentioned toggle: in toggle, with the connecting rod is driving link, position when two moving links are in same straight line is the dead point of mechanism, crankshaft-link rod as internal combustion engine, in the present invention, be to be driving link (promptly being connected with the output shaft of reducing motor) with the crank, moving link can be in the optional position, does not have dead unit problem fully.
In order further to optimize the structure of this device, the present invention has also carried out following design, described first connecting rod and/or second connecting rod are the elastic link that pretensioned spring is housed, adopted the elastic link that pretensioned spring is housed to replace common rigidity connecting rod, the pre-compression force of spring is greater than the structural drag of device during regular event, device during regular event connecting rod show as the rigidity connecting rod, if run in the carrying of device and installation process that cruelty is operated then connecting rod generation strain; Spacing member is installed between described mirror assembly supporting arm and the reflector bracket, this spacing member can adopt multiple frame for movement to realize, for example constitute by the spacer pin that is fixed on the spacing catch on the mirror assembly supporting arm and be fixed on the reflector bracket, perhaps also can use the spacing pin of wearing, flexibly connect structures such as sheet, this position limiting structure bears excessive impulsive force, in order to protection crank and reducing motor, the above-mentioned elastic link of pretensioned spring and the protection mechanism that position limiting structure forms device of being equipped with, in order to improve device reliability, if take reinforcement measure in carrying of installing and installation process, then this protection mechanism can be cancelled;
Described lamp base slide block below is connected with adjutage, and adjutage and first connecting rod are hinged, and the effect of adjutage is in order to change the direction of first connecting rod, to shorten the length of first connecting rod and the preposition boss of reflective mirror, make the device compactness, if do not consider the installing space factor, then adjutage can be cancelled.
This device is compared with common engine hatch lamp, has following beneficial effect:
1, security, this device solves engine hatch lamp crossed far to cross at poor focusing, irradiation distance and be difficult for the problem adjusted when near, improve train operational safety; 2, easily reorganize and outfit, this device can reduce a staff in the locomotive servicing process to the adjustment of engine hatch lamp, reduces workload, saves time, and has effectively avoided adjustment process middle-ultraviolet lamp and the high temperature personal injury possible to the staff; 3, easy to operate, the mode of operation of this device is hand switch, electronic adjustment, and the adjustment process of engine hatch lamp is oversimplified; The locomotive crew can be according to operating circuit actual conditions, active adjustment engine hatch lamp easily.
Compare with the prior art of being put down in writing in the background technology, the present invention has following beneficial effect:
1, easy care, principle of this device and structure are comparatively simple, can realize non-maintaining operation, in addition, even device breaks down, need not the professional and technical personnel, and common locomotive electric cad system pincers worker can be safeguarded; 2, highly reliable, the frame for movement of this device is simple, the endless form action, no dead point in service, so its frame for movement reliability is higher, the circuit structure of this device is simple, hand switch is directly controlled the reducing motor power supply, so its circuit structure reliability is also higher; 3, low cost, this device is compared with the common machine headlight, has mainly increased by two reducing motors, a secondary guide rail slide block and a toggle, and its manufacturing cost is lower; Compared with prior art, then it makes with the utilization cost lower; Therefore, though this device does not have full-automation, compared with prior art,, more be close to the actual conditions of locomotive operation and maintenance having stronger advantage aspect maintainability, reliability and the cost.
In sum, advantage such as that electrical adjusting device for locomotive head lamp of the present invention has is simple in structure, easy to operate, easy maintenance, cost are lower, in railway locomotive head lamp field, solved people's outstanding question always for a long time, have the excellent popularization value and use value.
Description of drawings
Fig. 1 is the side view of one of frame for movement schematic diagram of this device;
Fig. 2 is two a side view of the frame for movement schematic diagram of this device;
Fig. 3 is the front view of the frame for movement schematic diagram of this device;
Fig. 4 is the focusing guiding mechanism schematic diagram of this device;
Fig. 5 is the irradiation distance guiding mechanism schematic diagram of this device;
Fig. 6 is the circuit structure schematic diagram of this device;
Fig. 7 is the physical circuit figure in the embodiment of the invention;
Fig. 8 is the side view of the frame for movement schematic diagram of original engine hatch lamp;
Among the figure: 1-head lamp base plate; 2-mirror assembly supporting arm; The 3-reflective mirror; The 4-reflector bracket; The preposition boss of 5-reflective mirror; The 6-bulb; The 7-line slideway; 8-lamp base slide block; 9-first reducing motor; 10-second reducing motor; 11-first crank; The 12-first connecting rod; 13-second crank; The 14-second connecting rod; The 15-adjutage; The 16-pretensioned spring; The 17-rotating shaft; The 18-banking stop; The 19-spacer pin; The 20-stud, 21-bolting hole, 22-screw rod, 23-reflector bracket internal thread hole; The 24-lamp base.
The specific embodiment
Electrical adjusting device for locomotive head lamp, comprise by head lamp base plate 1 and be positioned at the head lamp pedestal that the mirror assembly supporting arm 2 at head lamp base plate two ends constitutes, also comprise by the reflector bracket 4 that reflective mirror 3 is housed and be fixed on the mirror assembly that the preposition boss 5 of reflective mirror on the reflector bracket 4 constitutes, reflector bracket 4 both sides are hinged by rotating shaft 17 with mirror assembly supporting arm 2 respectively, bulb 6 is equipped with in the preposition boss of reflective mirror 5 tops, line slideway 7 has been set up in the preposition boss of reflective mirror 5 tops, the lamp base slide block 8 that cooperatively interacts with it is installed on line slideway 7, and bulb 6 is installed on the lamp base slide block 8; As shown in Figure 3, two ends, reflective mirror preposition boss 5 below are separately installed with first reducing motor 9 and second reducing motor 10, first reducing motor 9 is by first crank 11, first connecting rod 12 is hinged with lamp base slide block 8, as shown in Figure 2, lamp base slide block 8 belows are connected with adjutage 15, adjutage 15 is hinged with first connecting rod 12, second reducing motor 10 is by second crank 13, second connecting rod 14 is hinged with the head lamp pedestal, head lamp base plate 1 and mirror assembly supporting arm 2 are rigidly connected, form the head lamp pedestal, therefore second connecting rod 14 both can be connected with mirror assembly supporting arm 2, also can be connected with head lamp base plate 1; First reducing motor 9 and second reducing motor 10 are serially connected with hand control switch respectively on the power supply control loop that inserts locomotive control power.
As shown in Figure 1, 2, first reducing motor 9 is fixed in the preposition boss 5 of reflective mirror, hinged by the adjutage 15 on first crank 11, first connecting rod 12 and the lamp base slide block 8, lamp base slide block 8 is installed on the line slideway 7 that is fixed in the preposition boss 5 of reflective mirror, constitutes slider-crank mechanism shown in Figure 4.First reducing motor 9 drives first crank 11, first connecting rod 12, drives lamp base slide block 8 and does slow straight reciprocating motion along line slideway 7, regulates bulb 6 in the axial position of the key light of reflective mirror, realizes the adjusting of the focusing of headlamps.
Second reducing motor 10 is fixed in the preposition boss 5 of reflective mirror, hinged by second crank 13, second connecting rod 14 and head lamp base plate 1, head lamp pedestal (1 and 2), mirror assembly (4 and 5), second crank 13, second connecting rod 14 constitute crank and rocker mechanism shown in Figure 5.Second reducing motor 10 drives second crank 13, second connecting rod 14, makes the head lamp mirror assembly do slow sector reciprocating motion around its rotating shaft 17, regulates the luffing angle of head lamp mirror assembly, thereby changes the irradiation distance of head lamp.
As Fig. 6, shown in 7, first reducing motor 9 and second reducing motor 10 are serially connected with hand control switch respectively on the power supply control loop that inserts locomotive control power, its circuit theory diagrams as shown in Figure 6, its particular circuit configurations as shown in Figure 7, hand switch S1, S2 controls reducing motor 9,10 power supply, in Fig. 7, adopted the lower minisize dc permanent magnetism reducing motor of rated voltage, so the electric power system of head lamp adjusting device has adopted resistance step-down power supply mode, 110 volts of control power supplys are through resistance R 1, the R2 current limliting, Zener diode D1, D2, D3, after the D4 voltage stabilizing, reducing motor 9 is provided, 10 required operating voltages, when the rated voltage of installing the reducing motor that adopts was identical with locomotive control power voltage, then this mu balanced circuit can be cancelled.In the present embodiment, resistance, Zener diode, reducing motor all use by its specification derate, and in order to improve reliability, the power when the peak load state of the reducing motor in the present embodiment is about 1 watt, and power headroom is bigger, can scaling loss; Each electric component of this device works in the short-term operation state, makes its reliability more secure.In the circuit, locomotive control power DC110V is introduced into current-limiting resistance, resupplies late-class circuit, in the time of can preventing late-class circuit ground connection or short circuit locomotive is impacted.In the present embodiment, hand switch S2 is the DPTT double-pole triple throw switch that resets certainly of 0 of a centre, carry out headlight irradiation when adjusting pulling S2, device carries out do action, if it is excessive to occur adjusting, then oppositely operating switch is adjusted back, and its effect is to save the adjustment time in the train operation way, if do not need this function, then the also available common self-resetting button switch of switch S 2 replaces.J_1---J_4 is the four windings point of a connector, and this connector can make things convenient for device ground to install.
In the present embodiment, two reducing motors, toggle and line slideway, the lamp base slide block all is fixed on the preposition boss upper and lower of reflective mirror, wherein have only an end of the first connecting rod 12 of being responsible for adjusting head lamp mirror assembly luffing angle to be articulated in the head lamp pedestal, therefore with first reducing motor 9, second reducing motor 10, first crank 11, first connecting rod 12, second crank 13, second connecting rod 14, line slideway 7 and lamp base slide block 8 are integrated into integrated modular organization with the preposition boss 5 of reflective mirror, and direct replacement has the preposition boss of the original reflective mirror of engine hatch lamp now.
The shock resistance explanation of present embodiment: in the present embodiment, reducing motor is combined by direct current permanent magnet motor and common decelerator, because motor stator is a permanent magnet, have certain damping and self-align ability, again through the effect of decelerator, it shows that the static antitorque moment on the output shaft is bigger, has higher shock resistance, can guarantee that the loosening displacement phenomenon of nature can not take place the head lamp of adjusting to the right place in the locomotive operation; The reducing motor that device also can use common electric machine and turbine and worm decelerator to combine, utilize the latching characteristics of turbine and worm can make device can reach higher shock resistance, and, can make the device integral layout more flexible because it exports axial change.

Claims (4)

1, a kind of electrical adjusting device for locomotive head lamp, comprise by head lamp base plate (1) and be positioned at the head lamp pedestal that the mirror assembly supporting arm (2) at head lamp base plate two ends constitutes, also comprise by the reflector bracket that reflective mirror (3) are housed (4) and be fixed on the mirror assembly that the preposition boss of reflective mirror (5) on the reflector bracket (4) constitutes, reflector bracket (4) both sides are hinged with mirror assembly supporting arm (2) respectively, the preposition boss of reflective mirror (5) top is provided with bulb (6), it is characterized in that having set up line slideway (7) above the preposition boss of reflective mirror (5), the lamp base slide block (8) that cooperatively interacts with it is installed on line slideway (7), and bulb (6) is installed on the lamp base slide block (8); Two ends, the preposition boss of reflective mirror (5) below are separately installed with first reducing motor (9) and second reducing motor (10), first reducing motor (9) is hinged with lamp base slide block (8) by first crank (11), first connecting rod (12), and second reducing motor (10) is hinged with the head lamp pedestal by second crank (13), second connecting rod (14); First reducing motor (9) and second reducing motor (10) are serially connected with hand control switch respectively on the power supply control loop that inserts locomotive control power.
2, electrical adjusting device for locomotive head lamp according to claim 1 is characterized in that first reducing motor (9), second reducing motor (10), first crank (11), first connecting rod (12), second crank (13), second connecting rod (14), line slideway (7) and lamp base slide block (8) and the preposition boss of reflective mirror (5) are integrated into integrated modular organization.
3, electrical adjusting device for locomotive head lamp according to claim 1 and 2 is characterized in that first connecting rod (12) and/or second connecting rod (14) are for being equipped with the elastic link of pretensioned spring (16); Spacing member is installed between mirror assembly supporting arm (2) and the reflector bracket (4).
4, electrical adjusting device for locomotive head lamp according to claim 1 and 2 is characterized in that lamp base slide block (8) below is connected with adjutage (15), and adjutage (15) is hinged with first connecting rod (12).
CN2009100754991A 2009-09-18 2009-09-18 Electrical adjusting device for locomotive head lamp Expired - Fee Related CN101660722B (en)

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Application Number Priority Date Filing Date Title
CN2009100754991A CN101660722B (en) 2009-09-18 2009-09-18 Electrical adjusting device for locomotive head lamp

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Application Number Priority Date Filing Date Title
CN2009100754991A CN101660722B (en) 2009-09-18 2009-09-18 Electrical adjusting device for locomotive head lamp

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CN101660722A true CN101660722A (en) 2010-03-03
CN101660722B CN101660722B (en) 2011-01-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109958970A (en) * 2019-04-10 2019-07-02 浙江嘉利(丽水)工业股份有限公司 A kind of rotary shaft car light adjustment structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109958970A (en) * 2019-04-10 2019-07-02 浙江嘉利(丽水)工业股份有限公司 A kind of rotary shaft car light adjustment structure
CN109958970B (en) * 2019-04-10 2024-04-12 浙江嘉利(丽水)工业股份有限公司 Rotating shaft type car lamp adjusting structure

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