CN210057229U

CN210057229U - Telescopic lighting device of emergency rescue fire truck

Info

Publication number: CN210057229U
Application number: CN201920472850.XU
Authority: CN
Inventors: 张建明
Original assignee: Jetta Fire Technology (suzhou) Ltd By Share Ltd
Current assignee: Jetta Fire Technology (suzhou) Ltd By Share Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-02-14
Anticipated expiration: 2029-04-09

Abstract

A telescopic lighting device of a rescue fire truck belongs to the technical field of fire-fighting facilities. The emergency rescue fire truck comprises a basic suspension arm, a telescopic suspension arm in sliding fit with the basic suspension arm, a first lamp holder and a lighting mechanism, wherein the first lamp holder is fixed on one side of one end, far away from the basic suspension arm, of the telescopic suspension arm, and the lighting mechanism is arranged on the first lamp holder. The first lamp holder is arranged at one end, far away from the basic suspension arm, of the telescopic suspension arm creatively, and the illuminating mechanism is arranged on the first lamp holder, so that the telescopic suspension arm, the basic suspension arm and the surrounding environment are favorably illuminated, the rescue effect on floors is improved, and the safety in the floor rescue process is guaranteed.

Description

Telescopic lighting device of emergency rescue fire truck

Technical Field

The utility model belongs to the technical field of the fire control facility, concretely relates to telescopic lighting device of rescue fire engine speedily carries out rescue work.

Background

As known in the industry, if classified according to the chassis bearing capacity of the fire truck, the light fire truck, the medium fire truck and the heavy fire truck are provided, the chassis bearing capacity of the light fire truck is usually 500-; the chassis bearing capacity of the medium-sized fire truck is usually 8000Kg (5000-; the chassis bearing capacity of the heavy fire engine is more than 8000Kg, and the heavy fire engine mainly comprises a heavy water tank fire engine, a heavy foam fire engine, a heavy dry powder fire engine, a heavy foam and dry powder combined fire engine, a heavy ascending platform fire engine, a heavy aerial ladder fire engine and the like.

If classified according to the functions of fire-fighting vehicles, there are fire-fighting vehicles, airport fire-fighting vehicles and special exploration fire-fighting vehicles, and the rescue fire-fighting vehicle belongs to the field of special exploration fire-fighting vehicles, and generally comprises a chassis, a carriage body (various rescue and disaster relief devices are arranged in the carriage body), a power takeoff, a transmission device, a lighting system and an electrical system, and is a common fire-fighting vehicle. Technical information of the emergency rescue fire truck can be seen in published Chinese patent documents, for example, CN2547343Y discloses a carriage type emergency rescue fire truck, CN206334242U proposes a shelter-based emergency rescue fire truck, CN103935285B recommends a bidirectional-running road-rail dual-purpose multifunctional emergency rescue fire truck, CN207024442U provides a road emergency rescue fire truck, and CN107933688A introduces a narrow region emergency rescue fire truck, and the like.

A boom is generally equipped on many emergency rescue fire trucks, and typical examples are "telescopic climbing ladder device of emergency rescue fire truck" recommended by CN109381815A, "telescopic boom water cannon fire extinguishing device of emergency rescue fire truck" provided by CN109260632A, and "breaking device of emergency rescue fire truck" introduced by CN 109381827A. The CN109381815A is pioneering to arrange the bottom layer ladder, the middle layer ladder and the upper layer ladder which are connected with the telescopic boom on the emergency rescue fire truck, thereby being very beneficial to the emergency rescue fire truck to rescue the ladder layer directly according to the requirement; the positive significance of the aforementioned CN109260632A is that: the telescopic water pipe mechanism is creatively connected with the suspension arm mechanism, the water cannon (fire extinguishing water cannon) is connected with the telescopic water pipe mechanism, and the telescopic water pipe mechanism is connected with the water pump, so that the emergency rescue fire truck can directly extinguish fire for floors of high-rise buildings according to needs, not only is the expansion function facilitated, but also the resource saving and the investment cost of fire-fighting facilities and the emergency rescue cost are facilitated; the CN109381827A is provided with the breaking-in impact rod on the telescopic suspension arm, and the breaking-in punch head is fixed at the tail end of the breaking-in impact rod, so that obstacles such as advertising boards, floor doors and windows and the like which obstruct the floor emergency rescue can be broken-in by the emergency rescue fire truck according to the requirements, and the rescue from the floor can be directly facilitated at the first time.

Furthermore, as known in the art, in the night or in the weather with dim natural light such as haze, rain and snow, the specific rescue condition by the suspension arm is often difficult to see or even impossible to see through the lighting device provided on the rescue fire truck, and if the lighting is poor, the breaking speed and the breaking effect on the barrier are influenced to a great extent by taking the CN109381827A as an example, so that the valuable floor rescue time is delayed; as another example, if the lighting is poor, the safety of the firefighter's rescue operation is seriously affected, as in the case of CN 109381815A. In view of this need for reasonable improvements, the solutions described below have been created in this context.

Disclosure of Invention

The utility model aims to provide a help carrying out good illumination and can promote the telescopic lighting device of rescue fire engine of speedily carrying out rescue effect and guarantee floor rescue safety to davit and surrounding environment.

The utility model discloses a task is accomplished like this, a telescopic lighting device of rescue fire engine, rescue fire engine include a basic davit and one with basic davit sliding fit's flexible davit, telescopic lighting device still including a first lighting fixture and a lighting mechanism, first lighting fixture is fixed flexible davit is kept away from one side of the one end of basic davit, lighting mechanism sets up on first lighting fixture.

In a specific embodiment of the present invention, the emergency rescue fire truck further comprises a chassis, a head connected to the chassis, a basic boom rotation driving mechanism, a basic boom driving cylinder and a rescue actuating mechanism, wherein the basic boom rotation driving mechanism is disposed on an extended chassis extending from the right end of the chassis, one end of the basic boom rotation driving mechanism facing the basic boom is hinged to the upper end of a basic boom rotation frame, the lower end of the basic boom rotation frame is fixed on a rotation plate, the rotation plate is in transmission fit with the basic boom rotation driving mechanism, one end of the basic boom away from the basic boom rotation driving mechanism is configured as a free end which can be raised upwards or swung downwards, the telescopic boom is in sliding fit with the free end of the basic boom, the basic boom driving cylinder is disposed on the rotation plate, and the cylinder column of the basic boom driving cylinder faces upwards, the tail end of the oil cylinder column is hinged with the lower part of one end, facing the basic suspension arm rotation driving mechanism, of the basic suspension arm, the rescue executing mechanism is arranged on the telescopic suspension arm, and the rescue executing mechanism is a breaking and dismantling rod or a water cannon.

In another specific embodiment of the present invention, the first lamp holder includes a connecting arm fixing seat, a connecting arm and a supporting arm, the connecting arm fixing seat is fixed to the front side of the end of the basic suspension arm away from the telescopic suspension arm, the rear end of the connecting arm is fixed to the connecting arm fixing seat, the right end of the supporting arm is fixed to the front end of the connecting arm and forms a perpendicular relationship with the connecting arm, and the lighting mechanism is disposed at the left end of the supporting arm.

In another specific embodiment of the present invention, the lighting mechanism includes a turntable, a turntable driving device, a lamp group turning driving device, a front lamp group and a rear lamp group, the turntable driving device is disposed at the left end of the supporting arm, the turntable is connected to the turntable driving device at a position corresponding to the upper side of the left end of the supporting arm, the lamp group turning driving device is disposed at one side of the turntable facing upward, the front lamp group is connected to the front side of the lamp group turning driving device, and the rear lamp group is connected to the rear side of the lamp group turning driving device.

In yet another specific embodiment of the present invention, the support arm has a support arm cavity; the rotary table driving device comprises a rotary table driving motor, a pinion and a bull gear, the rotary table driving motor is fixed with one side of the supporting arm, which faces downwards, a rotary table driving motor shaft of the rotary table driving motor faces upwards and extends into the supporting arm cavity, the pinion is fixed on the rotary table driving motor shaft and is meshed with the bull gear, the bull gear is fixed at the lower end of a bull gear shaft in the supporting arm cavity, the middle of the bull gear shaft is in rotating fit with a bull gear shaft seat, the bull gear shaft seat is fixed on one side of the supporting arm, which faces upwards, and the rotary table is fixed with the upper end of the bull gear shaft.

In yet another specific embodiment of the present invention, the lamp group turning drive device includes a lamp group turning drive motor, a lamp group turning drive reduction gearbox, a front lamp group rotary disk and a rear lamp group rotary disk, the lamp group turning drive motor is in transmission fit with the lamp group turning drive reduction gearbox and is fixed on one side of the rotary table facing upward by the lamp group turning drive reduction gearbox and the lamp group turning drive motor, the front lamp group rotary disk is fixed at the front end of the lamp group turning drive reduction gearbox shaft of the lamp group turning drive reduction gearbox, and the rear lamp group rotary disk is fixed at the rear end of the lamp group turning drive reduction gearbox shaft; the front lamp group is fixed with the front side of the front lamp group rotary disk, and the rear lamp group is fixed with the rear side of the rear lamp group rotary disk.

In a more specific embodiment of the present invention, the lamp group turning driving motor is a motor with forward and reverse rotation functions; the lamp group overturning driving reduction box is a worm gear reduction box; the structure of back banks is with the structure of preceding banks is the same, and this front banks includes second lighting fixture and a set of light, and the second lighting fixture orientation the length direction's of one side of front banks gyration dish central position is fixed with front banks gyration dish, and a set of light is fixed on the second lighting fixture.

In still another specific embodiment of the present invention, a front lamp unit turn plate fixing plate is fixed to the second lamp holder at a position between the front lamp unit turn plate and the second lamp holder in the longitudinal direction of the front lamp unit turn plate, a front lamp unit turn plate fixing plate bolt is provided on the front lamp unit turn plate fixing plate, and a spindle head hole is further provided on the front lamp unit turn plate fixing plate, the front end of the lamp unit turnover drive reduction box shaft sequentially passes through the front lamp unit turn plate and the spindle head hole and is locked by a lock nut rotatably provided at the front end of the lamp unit turnover drive reduction box shaft, and the front lamp unit turn plate fixing plate bolt is fixed to the front lamp unit turn plate at a position corresponding to the bolt hole provided in the front lamp unit turn plate.

In a still more specific embodiment of the present invention, a reduction gear box shield for shielding the bank of lamps turnover driving reduction gear box is fixed on the turntable and at a position corresponding to the bank of lamps turnover driving reduction gear box.

In yet another specific embodiment of the present invention, the second lamp holder is in a shape of a letter-letter, the number of the group of the lighting lamps is three and the group of the lighting lamps is fixed on the second lamp holder in a distribution of a letter-shape, and the group of the lighting lamps is LED lamps.

The utility model provides a technical scheme is owing to pioneering ground has set up first lighting fixture and has set up lighting mechanism on first lighting fixture in the one end that basic davit was kept away from to flexible davit, basic davit and surrounding environment carry out good illumination and can promote the rescue effect to the floor and ensure the security of floor rescue in-process.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention.

Fig. 2 is a detailed structural view of the first lamp holder and the lighting mechanism shown in fig. 1.

Fig. 3 is a sectional view of the turntable driving device and the lamp group reversing driving device shown in fig. 2.

Detailed Description

In order to make the technical essence and advantages of the present invention more clear, the applicant below describes in detail the embodiments, but the description of the embodiments is not a limitation of the present invention, and any equivalent changes made according to the inventive concept, which are only formal and not essential, should be considered as the technical scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position state shown in fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.

Please refer to fig. 1, which shows a basic boom 4 and a telescopic boom 5 sliding-fitted with the basic boom 4 of the emergency rescue fire truck, showing a first lamp holder 8 and a lighting mechanism 9 of the structural system of the telescopic lighting device as the technical essential of the present invention, wherein the first lamp holder 8 is fixed on one side (the front side shown in fig. 1) of one end of the telescopic boom 5 far from the basic boom 4, and the lighting mechanism 9 is arranged on the first lamp holder 8.

The structural system of the emergency rescue fire truck further comprises a chassis 1 provided with a carriage body 11, a vehicle head 2 connected with the chassis 1, a basic boom rotation driving mechanism 3, a basic boom cylinder 6 and a rescue executing mechanism 7, wherein the basic boom rotation driving mechanism 3 is arranged on an elongated chassis 12 extending from the right end of the chassis 1, one end (the right end shown in the figure) of the basic boom 4 facing the basic boom rotation driving mechanism 3 is hinged with the upper end of a basic boom rotation frame 41, the lower end of the basic boom rotation frame 41 is fixed on a rotation disc 411, the rotation disc 411 is in transmission fit with the basic boom rotation driving mechanism 3, one end (the left end shown in the figure) of the basic boom 4 far away from the basic boom rotation driving mechanism 3 is configured to be a free end which rises upwards or swings downwards (namely inclines), and the telescopic boom 5 is in sliding fit with the free end of the basic boom 4, a basic boom driving cylinder 6 is provided on the swing plate 411 and a cylinder post 61 of the basic boom driving cylinder 6 is directed upward, the tip of the cylinder post 61 is hinged with the lower part of one end (right end) of the basic boom 4 directed toward the basic boom swing driving mechanism 3, and a rescue actuator 7 is provided on the telescopic boom 5.

Since the structure of the aforementioned basic boom swing drive mechanism 3 is substantially the same as that of the column swing drive mechanism disclosed by CN106693247A (automatic water diversion fire engine with overweight boom swing function) and by CN107050707A (automatic water diversion fire engine), and since the aforementioned basic boom 4 and telescopic boom 5 are the same as those disclosed by patents mentioned in the above background art column by the applicant such as CN109381815A, CN109260632A and CN109381827A, the applicant does not repeat the description.

If the telescopic boom 5 described above has a plurality of segments, the first lamp holder 8 together with the lighting means 9 is fixed to the last telescopic boom segment, which is here referred to as the telescopic boom segment furthest from the basic boom 4. The rescue actuator 7 described above is likewise connected to the last telescopic boom section. Furthermore, a hook 51 is provided on the last telescopic boom segment of the telescopic boom 5.

With particular reference to fig. 2, the first lamp holder 8 comprises a connecting arm fixing base 81, a connecting arm 82 and a supporting arm 83, the connecting arm fixing base 81 is preferably fixed to the front side of the end of the telescopic boom 5 away from the basic boom 4 by welding, the rear end of the connecting arm 82 is fixed to the connecting arm fixing base 81 by a connecting arm fixing bolt 821, the right end of the supporting arm 83 is preferably fixed to the front end of the connecting arm 82 by welding and is perpendicular to the connecting arm 82, and the illuminating mechanism 9 is disposed at the left end of the supporting arm 83.

In the present embodiment, the rescue actuator 7 is a breaking rod, but may be replaced by a water cannon or the breaking rod and the water cannon may be shared, and in the former case, reference may be made to CN109381827A specifically, and in the latter case, reference may be made to CN109260632A, so that the applicant does not perform any further description.

Continuing to refer to fig. 2, the aforementioned lighting mechanism 9 includes a turntable 91, a turntable driving device 92, a lamp group turning driving device 93, a front lamp group 94, and a rear lamp group 95, the turntable driving device 92 is provided at the left end of the aforementioned support arm 83, the turntable 91 is connected to the turntable driving device 92 at a position corresponding to the upper left end of the support arm 83, the lamp group turning driving device 93 is provided at the side of the turntable 91 facing upward, the front lamp group 94 is connected to the front side of the lamp group turning driving device 93, and the rear lamp group 95 is connected to the rear side of the lamp group turning driving device 93.

Referring to fig. 3 in conjunction with fig. 2, the supporting arm 83 is made of a metal square tube, and thus has a supporting arm cavity 831; the turntable driving device 92 includes a turntable driving motor 921, a pinion 922 and a bull gear 923, the turntable driving motor 921 is fixed to one side of the supporting arm 83 facing downward, a turntable driving motor shaft 9211 of the turntable driving motor 921 faces upward and extends into the supporting arm cavity 831, the pinion 922 is fixed to the turntable driving motor shaft 9211 and is engaged with the bull gear 923, the bull gear 923 is fixed to the lower end of the bull gear shaft 9232 in the supporting arm cavity 831, the middle of the bull gear shaft 9232 is rotationally engaged with the bull gear shaft seat 9231 (i.e., "bull gear bearing seat"), the bull gear shaft seat 9231 is fixed to one side of the supporting arm 83 facing upward, and the turntable 91 is fixed to the upper end of the bull gear shaft 9232.

The lamp group turning drive device 93 comprises a lamp group turning drive motor 931, a lamp group turning drive reduction gearbox 932, a front lamp group rotary disc 933 and a rear lamp group rotary disc 934, wherein the lamp group turning drive motor 931 is in transmission fit with the lamp group turning drive reduction gearbox 932, the lamp group turning drive reduction gearbox 932 and the lamp group turning drive motor 931 are fixed on one upward side of the rotary table 91 through a reduction gearbox fixing bolt 9322, the front lamp group rotary disc 933 is fixed at the front end of a lamp group turning drive reduction gearbox shaft 9321 of the lamp group turning drive reduction gearbox 932, and the rear lamp group rotary disc 934 is fixed at the rear end of the lamp group turning drive reduction gearbox shaft 9321; the front group 94 is fixed to the front side of the front group turn plate 933, and the rear group 95 is fixed to the rear side of the rear group turn plate 934.

In this embodiment, the lamp assembly turning driving motor 931 is a motor with forward and reverse rotation functions; the lamp bank overturning driving reduction gearbox 932 is a worm gear reduction gearbox.

Continuing to refer to fig. 2, since the structure of the rear lamp group 95 is the same as that of the front lamp group 94, the applicant only describes the front lamp group 94, the front lamp group 94 includes a second lamp holder 941 and a group of illumination lamps 942, the second lamp holder 941 is fixed to the front lamp group turret 933 at a longitudinally intermediate position on the side of the front lamp group turret 933, and the group of illumination lamps 942 is fixed to the second lamp holder 941.

A front lamp group turn disc fixing plate 9411 is fixed to a longitudinally intermediate position on the side of the second lamp holder 941 facing the front lamp group turn disc 933, a set of front lamp group turn disc fixing plate bolts 94111 is disposed on the front lamp group turn disc fixing plate 9411, a spindle hole 94112 is further formed in the front lamp group turn disc fixing plate 9411, the tip of the lamp group reverse drive reduction box shaft 9321 passes through the front lamp group turn disc 933 and the spindle hole 94112 in this order and is locked by a lock nut 93211 screwed to the tip of the lamp group reverse drive reduction box shaft 9321, and the set of front lamp group turn disc fixing plate bolts 94111 is fixed to the front lamp group turn disc 933 at a position corresponding to the bolt hole 9331 formed in the front lamp group turn disc 933.

Preferably, a reduction gear housing 911 for shielding the bank turnover drive reduction gear 932 is fixed to the turntable 91 at a position corresponding to the bank turnover drive reduction gear 932. Also shown in the figure is a reduction gearbox shaft yielding cavity 9111 open on the reduction gearbox shroud 911, which reduction gearbox shaft yielding cavity 9111 functions to avoid the aforesaid bank-light flip-driving reduction gearbox shaft 9321, i.e. the front bank-light flip-driving reduction gearbox shaft 93211 corresponds to the reduction gearbox shaft yielding cavity 9111.

As shown in fig. 2, the second lamp holders 941 have a convex shape, three illuminating lamps 942 are fixed to the second lamp holders 941 in a delta-shaped distribution, and the illuminating lamps 52 are LED lamps. Fig. 2 shows lamp fixing legs 943 formed on a second lamp holder 941 for fixing a group of lamps 942.

During the emergency rescue, when lighting is performed according to the environmental requirements, the front lamp set 94 and the rear lamp set 95 are turned on by the vehicle-mounted electrical control system.

Since the turntable driving motor 921 and the lamp set overturning driving motor 931 are controlled by the onboard controller of the fire engine, therefore, when the front lamp set 94 and the rear lamp set 95 are to be rotated horizontally, the turntable driving motor 921 is operated to drive the pinion 922 by the turntable driving motor shaft 9211, the bull gear 923 is driven by the pinion 922, the bull gear shaft is driven by the bull gear 923, the turntable 91 is driven by the bull gear shaft, the lamp set turning driving reduction box 932 of the lamp set turning driving device 93 is driven by the turntable 91, since the front lamp group 94 and the rear lamp group 95 are fixed to the front lamp group turning disc 933 and the rear lamp group turning disc 934, respectively, and since the front and rear lamp

group turning discs

933, 934 are fixed to the front and rear ends of the lamp group inversion driving reduction box shaft 9321, respectively, therefore, when the lamp group overturn driving reduction box 932 rotates along with the rotary table 91, the front and rear lamp groups 94 and 95 also rotate correspondingly.

When the front and rear lamp sets 94, 95 are to be turned over by any angle, for example, counterclockwise from the state shown in fig. 2, then the lamp set turning drive motor 931 operates to drive the lamp set turning drive reduction gearbox 932, and the front lamp set turning disc 933 and the rear lamp set turning disc 934 are driven simultaneously by the reduction of the lamp set turning drive reduction gearbox 932 and the reduction of the lamp set turning drive gearbox shaft 9321, because the second lamp holder 941 of the structural system of the front lamp set 94 is fixed with the front lamp set turning disc 933 together with the set of headlamps 942, and because the corresponding lamp holders of the structural system of the rear lamp set 95, such as the rear lamp set lamp holder is fixed with the rear lamp set turning disc 934, the front and rear lamp sets 94, 95 can be turned over by any angle counterclockwise. The reason why the front and rear lamp sets 94 and 95 are turned clockwise by any angle is communicated with the above description, and thus, the description thereof is omitted.

To sum up, the technical solution provided by the present invention remedies the defects in the prior art, successfully completes the invention task, and faithfully embodies the technical effects mentioned in the above technical effect column by the applicant.

Claims

1. The telescopic lighting device of the emergency rescue fire truck comprises a basic suspension arm (4) and a telescopic suspension arm (5) in sliding fit with the basic suspension arm (4), and is characterized by further comprising a first lamp holder (8) and a lighting mechanism (9), wherein the first lamp holder (8) is fixed on one side, away from one end of the basic suspension arm (4), of the telescopic suspension arm (5), and the lighting mechanism (9) is arranged on the first lamp holder (8).

2. The telescopic lighting device of an emergency rescue fire truck according to claim 1, characterized in that the emergency rescue fire truck further comprises a chassis (1), a head (2) connected with the chassis (1), a basic boom slewing drive mechanism (3), a basic boom drive cylinder (6) and a rescue actuator (7), the basic boom slewing drive mechanism (3) is arranged on an elongated chassis (12) extending from the right end of the chassis (1), one end of the basic boom (4) facing the basic boom slewing drive mechanism (3) is hinged with the upper end of a basic slewing frame (41), the lower end of the basic boom slewing frame (41) is fixed on a slewing disc (411), the slewing disc (411) is in transmission fit with the basic boom slewing drive mechanism (3), and one end of the basic boom (4) far away from the basic boom slewing drive mechanism (3) is configured as a free end which is raised upwards or swung downwards, the telescopic boom (5) is in sliding fit with the free end of the basic boom (4), the basic boom driving oil cylinder (6) is arranged on the rotary disc (411) and the oil cylinder column (61) of the basic boom driving oil cylinder (6) faces upwards, the tail end of the oil cylinder column (61) is hinged with the lower part of one end, facing the basic boom rotary driving mechanism (3), of the basic boom (4), the rescue execution mechanism (7) is arranged on the telescopic boom (5), and the rescue execution mechanism (7) is a breaking and dismantling rod or a water cannon.

3. A telescopic lighting device for an emergency rescue fire truck as claimed in claim 1, wherein the first lamp holder (8) comprises a connecting arm fixing seat (81), a connecting arm (82) and a supporting arm (83), the connecting arm fixing seat (81) is fixed with the front side of the end of the telescopic boom (5) far away from the basic boom (4), the rear end of the connecting arm (82) is fixed with the connecting arm fixing seat (81), the right end of the supporting arm (83) is fixed with the front end of the connecting arm (82) and forms a perpendicular relationship with the connecting arm (82), and the lighting mechanism (9) is arranged at the left end of the supporting arm (83).

4. The telescopic lighting device of an emergency rescue fire truck as claimed in claim 3, characterized in that the lighting mechanism (9) comprises a turntable (91), a turntable driving device (92), a lamp group turning driving device (93), a front lamp group (94) and a rear lamp group (95), the turntable driving device (92) is arranged at the left end of the supporting arm (83), the turntable (91) is connected with the turntable driving device (92) at a position corresponding to the upper part of the left end of the supporting arm (83), the lamp group turning driving device (93) is arranged at the upward side of the turntable (91), the front lamp group (94) is connected with the front side of the lamp group turning driving device (93), and the rear lamp group (95) is connected with the rear side of the lamp group turning driving device (93).

5. The retractable lighting assembly of an emergency rescue fire truck as set forth in claim 4, wherein the support arm (83) has a support arm cavity (831); the rotary table driving device (92) comprises a rotary table driving motor (921), a pinion (922) and a bull gear (923), the rotary table driving motor (921) is fixed to one side, facing downwards, of the left end of the supporting arm (83), a rotary table driving motor shaft (9211) of the rotary table driving motor (921) faces upwards and extends into a supporting arm cavity (831), the pinion (922) is fixed to the rotary table driving motor shaft (9211) and is meshed with the bull gear (923), the bull gear (923) is fixed to the lower end of a bull gear shaft (9232) in the supporting arm cavity (831), the middle of the bull gear shaft (9232) is in running fit with the bull gear shaft seat (9231), the bull gear shaft seat (9231) is fixed to one side, facing upwards, of the left end of the supporting arm (83), and the rotary table (91) is fixed to the upper end of the bull gear shaft (9232).

6. The telescopic lighting device of an emergency rescue fire truck as claimed in claim 4, wherein the lamp group overturning driving device (93) comprises a lamp group overturning driving motor (931), a lamp group overturning driving reduction gearbox (932), a front lamp group rotary disc (933) and a rear lamp group rotary disc (934), the lamp group overturning driving motor (931) is in transmission fit with the lamp group overturning driving reduction gearbox (932) and is fixed on one side of the rotary table (91) facing upwards by the lamp group overturning driving reduction gearbox (932) and the lamp group overturning driving motor (931), the front lamp group rotary disc (933) is fixed with the front end of a lamp group overturning driving reduction gearbox shaft (9321) of the lamp group overturning driving reduction gearbox (932), and the rear lamp group rotary disc (934) is fixed with the rear end of the lamp group overturning driving reduction gearbox shaft (9321); the front lamp group (94) is fixed with the front side of the front lamp group rotary disc (933), and the rear lamp group (95) is fixed with the rear side of the rear lamp group rotary disc (934).

7. The telescopic lighting device of an emergency rescue fire truck as claimed in claim 6, wherein the lamp group overturn driving motor (931) is a motor with a forward and reverse rotation function; the lamp group overturning driving reduction box (932) is a worm gear reduction box; the structure of rear lamp group (95) is the same with the structure of headlight group (94), and this headlight group (94) includes second lighting fixture (941) and a set of light (942), and second lighting fixture (941) is fixed with headlight group gyration dish (933) towards the length direction's of one side of headlight group gyration dish (933) central position, and a set of light (942) is fixed on second lighting fixture (941).

8. The telescopic lighting device of an emergency rescue fire truck according to claim 7, wherein a headlight set rotary plate fixing plate (9411) is fixed to a lengthwise central position of a side of the second lamp holder (941) facing the headlight set rotary plate (933), a front lamp set rotary disk fixing bolt (94111) is arranged on the front lamp set rotary disk fixing plate (9411), a shaft head hole (94112) is also arranged on the front lamp set rotary disk fixing plate (9411), the front end of the lamp group overturn driving reduction box shaft (9321) sequentially passes through the headlight group rotary disk (933) and the shaft head hole (94112) and is locked by a locking nut (93211) which is screwed at the front end of the lamp group overturn driving reduction box shaft (9321), the front lamp set rotary disk fixing plate bolts (94111) are fixed with the front lamp set rotary disk (933) at positions corresponding to bolt holes (9331) formed in the front lamp set rotary disk (933).

9. The telescopic lighting device of an emergency rescue fire truck as claimed in claim 6, wherein a reduction gearbox shield (911) for shielding the bank turning drive reduction gearbox (932) is fixed on the revolving platform (91) and at a position corresponding to the bank turning drive reduction gearbox (932).

10. The retractable lighting device of an emergency rescue fire truck as claimed in claim 7, wherein the second lamp holder (941) is in a shape of a Chinese character 'tu', the number of the set of lights (942) is three and is fixed on the second lamp holder (941) in a distribution of a Chinese character 'pin', and the set of lights (52) is LED lights.