Pull-type railway track fire rescue vehicle

Abstract

The utility model discloses a traction type railway track fire rescue vehicle which comprises a water tank, a generator set, a water pump and a tractor, the water pump is located at the bottom of an inner cavity of the water tank, the tractor comprises a rectangular frame, two parallel guide rails are installed at the bottom of the frame in the length direction, and two sliding blocks are connected in each guide rail in a sliding mode. Supporting seats are installed between the sliding blocks in the two guide rails, a lead screw transversely penetrating through the middle is connected between the two supporting seats in a threaded mode, two sections of threads opposite in spiral direction are arranged on the lead screw, a conversion frame is installed below the two supporting seats, and the conversion frame comprises two scissor fork type telescopic frames. A rotating shaft a, a rotating shaft b and a rotating shaft c are sequentially connected between the two ends of the two telescopic frames from inside to outside, two rail wheels are installed on the rotating shaft c, and road wheels are installed at the two ends of the rotating shaft b respectively. The rescue vehicle is used for flushing a railway to eliminate a red light band caused by short circuit, can walk on the railway and a road, and is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway work technical field, concretely is traction type railway track fire rescue vehicle. BACKGROUND

[0002] Railway control system is in line steel rail as conductor, constitutes track circuit, two tracks are short-circuited by train wheel pair, and in control system, it will display red, thereby indicating the position of vehicle. When track circuit is occupied or short-circuit fault occurs, red band will also be reported, and in winter, in order to prevent icing, salt operation will be carried out on part of the section, and after rain stops, salt grains are caked, and track red light band affects driving, and the processing measures are: using a large amount of high-pressure water to flush by borrowing fire truck of fire brigade, and the fire truck cannot walk on the track and needs to be transported by track flat car, so the use is very inconvenient, resulting in long processing operation and low efficiency. SUMMARY

[0003] The utility model discloses traction type railway track fire rescue vehicle to solve the problem in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: traction type railway track fire rescue vehicle, including water tank, generator unit, water pump and tractor, the water pump is located in the inner chamber bottom of water tank, and the water pump is powered by the generator unit, the tractor includes the frame of rectangle, the bottom of the frame is fixedly installed with two parallel guide rails along the length direction, each the guide rail is slidably connected with two sliding blocks, the sliding block between two the guide rails is fixedly installed with support seat, and the support seat is screw connected with the screw rod that traverses from the middle, the screw rod is equipped with two sections of threads of opposite screw direction, the screw rod rotates and drives two support seats to move towards or away from each other, the lower portion of two the support seat is installed with the conversion frame, the conversion frame includes two scissor type telescopic frames, the both ends between two the telescopic frame are sequentially connected with the rotation shaft a, the rotation shaft b and the rotation shaft c from inside to outside, the rotation shaft c is installed with two track wheels, the both ends of the rotation shaft b are installed with the highway wheel respectively, and the rotation shaft a longitudinally penetrates the support seat, the lower side of the rear of the frame is installed with the water jet pipe, a plurality of downward nozzles are installed on the water jet pipe, and the water pump is connected with the water jet pipe.

[0005] Preferably, the inner chamber of the water tank is provided with a plurality of partitions at equal intervals, and the lower part of each partition is provided with a through hole to connect the adjacent two cavities.

[0006] Preferably, the bottom of the frame is fixedly installed with a limiting seat, the screw rod penetrates through the limiting seat and is rotatably connected with the limiting seat through a bearing, and the end of the screw rod is installed with a hand wheel or is connected with a servo motor to realize driving rotation.

[0007] Preferably, the front side of the frame is fixedly provided with two U-shaped hinged seats, and the hinged seats are provided with the traction frame through pin shafts.

[0008] Compared with the prior art, the rescue vehicle is used for flushing the railway to eliminate the red light belt caused by short circuit, and the rescue vehicle has two switchable walking modes of road and railway, is convenient to use, and is favorable for improving operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 is a structural schematic view of the utility model;

[0010] Fig. 2 is a three-dimensional structural schematic view of the tractor;

[0011] Fig. 3 is a three-dimensional structural schematic view of the conversion frame.

[0012] In the drawing: 1, water tank; 2, generator set; 3, water pump; 4, partition plate; 5, tractor; 51, frame; 52, guide rail; 53, support seat; 54, conversion frame; 541, telescopic frame; 542, rotating shaft a; 543, rotating shaft b; 544, rotating shaft c; 55, screw rod; 56, track wheel; 57, road wheel; 58, hinged seat; 6, traction frame; 7, water spraying pipe. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0014] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: traction type railway track fire rescue vehicle, including water tank 1, generator set 2, water pump 3 and tractor 5, water pump 3 is located in the inner chamber bottom of water tank 1, the inner chamber of water tank 1 is equidistantly provided with multiple partition plates 4, the lower portion of partition plate 4 is provided with through hole to communicate adjacent two cavities, and partition plate 4 is used to play the role of preventing wave impact.Water pump 3 is powered by generator set 2, the front side of frame 51 is fixedly provided with two U-shaped hinged seats 58, and the hinged seat 58 is provided with the traction frame 6 through pin shaft, and the traction frame 6 is used to connect and realize drag with tractor.

[0015] The tractor 5 comprises a rectangular frame 51, a water spraying pipe 7 is mounted on the lower rear side of the frame 51, a plurality of downward nozzles are mounted on the water spraying pipe 7, water is pumped to flush the railway to eliminate the short circuit caused by salt scattering, and the water pump 3 is connected with the water spraying pipe 7. Two parallel guide rails 52 are fixedly installed on the bottom of the frame 51 along the length direction, two sliding blocks are slidingly connected in each guide rail 52, a support seat 53 is fixedly installed between the sliding blocks in the two guide rails 52, a lead screw 55 is screwed between the two support seats 53 and transversely penetrates the middle part, the lead screw 55 is provided with two threads with opposite screw directions, the lead screw 55 rotates to drive the two support seats 53 to move towards or away from each other (the two support seats 53 are located on the two threads with opposite directions respectively), a limiting seat is fixedly installed on the bottom of the frame 51, the lead screw 55 penetrates the limiting seat and is rotatably connected with the limiting seat through a bearing, a hand wheel is installed on the end of the lead screw 55 or the lead screw 55 is connected with a servo motor, and rotation driving is realized,

[0016] A conversion frame 54 is mounted below the two support seats 53, the conversion frame 54 comprises two scissor-type telescopic frames 541, a rotation shaft a 542, a rotation shaft b 543 and a rotation shaft c 544 are sequentially connected between the two ends of the two telescopic frames 541 from inside to outside, two track wheels 56 are mounted on the rotation shaft c 544, a highway wheel 57 is mounted on each end of the rotation shaft b 543, the rotation shaft a 542 longitudinally penetrates the support seat 53, the relative height positions of the highway wheel 57 and the track wheel 56 are converted by adjusting the telescopic length of the conversion frame 54, so that the rescue vehicle can meet the requirements of road and railway use, when the conversion frame 54 is transversely elongated, the track wheel 56 moves upward relative to the highway wheel 57, when the conversion frame 54 is transversely shortened, the track wheel 56 moves downward relative to the highway wheel 57, and the conversion between the two walking modes is realized.

[0017] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fire-fighting and rescue vehicle for railway track, comprising a water tank (1), a generator set (2), a water pump (3) and a tractor (5), the water pump (3) being located at the bottom of the inner cavity of the water tank (1), the water pump (3) being powered by the generator set (2), characterized in that: Said tractor (5) includes a rectangular frame (51), the bottom of the frame (51) is fixedly installed with two parallel guide rails (52) along the length direction, two sliders are slidably connected in each of the guide rails (52), a support seat (53) is fixedly installed between the sliders in the two guide rails (52), a lead screw (55) is screwed between the two support seats (53) and transversely penetrates the middle part, the lead screw (55) is provided with two threads with opposite screw directions, the lead screw (55) rotates to drive the two support seats (53) to move towards or away from each other, a conversion frame (54) is installed below the two support seats (53), the conversion frame (54) includes two scissor-type telescopic frames (541), a rotating shaft a (542), a rotating shaft b (543) and a rotating shaft c (544) are sequentially connected between the two ends of the two telescopic frames (541) from inside to outside, two track wheels (56) are installed on the rotating shaft c (544), a highway wheel (57) is installed at each end of the rotating shaft b (543), the rotating shaft a (542) longitudinally penetrates the support seat (53), a water spraying pipe (7) is installed at the lower side of the rear of the frame (51), a plurality of downward nozzles are installed on the water spraying pipe (7), and the water pump (3) is connected with the water spraying pipe (7).

2. A towed railway track firefighting rescue vehicle according to claim 1, characterised in that: The inner cavity of the water tank (1) is provided with a plurality of partition plates (4) at equal intervals, and the lower part of the partition plate (4) is provided with a through hole to communicate two adjacent cavities.

3. A towed railway track firefighting and rescue vehicle according to claim 2, characterised in that: The bottom of the frame (51) is fixedly installed with a limiting seat, the lead screw (55) penetrates the limiting seat and is rotatably connected therewith through a bearing, and the end of the lead screw (55) is installed with a hand wheel or is connected with a servo motor.

4. A tractor-drawn railway track fire rescue vehicle according to claim 3, characterised in that: The front side of the frame (51) is fixedly installed with two U-shaped hinged seats (58), and the hinged seat (58) is installed with a traction frame (6) through a pin shaft.

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