CN201361392Y

CN201361392Y - Fire hose withdrawing mechanism

Info

Publication number: CN201361392Y
Application number: CNU2009200360887U
Authority: CN
Inventors: 张建明; 徐永银
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-12
Filing date: 2009-03-12
Publication date: 2009-12-16
Anticipated expiration: 2019-03-12

Abstract

A fire hose withdrawing mechanism, which belongs to the technical field of fire fighting equipment, comprises a frame. A concave passage is formed at the middle part of the lengthwise direction of the frame; a main drum is arranged in the concave passage; a main drum driver is arranged in the concave passage and is connected in a driving manner with the main drum; a driving device is arranged on one side of the lengthwise direction of the frame and connected with the main drum; a first hose withdrawing drum and a second hose withdrawing drum are arranged in the concave passage and placed on the two sides of the main drum; a pair of first friction drums are arranged on the frame and in contact with the first friction drum; a pair of second friction drums are arranged on the frame and in contact with the second friction drum; a group of acting cylinders are arranged on the frame. The utility model has the advantages that the fire hose can be withdrawn back into the vehicle automatically and fast, which can lessen the work intensity of the firefighter and save time as well.

Description

Fire hose take-up mechanism

Technical field

The utility model belongs to the fire-fighting equipment technical field, be specifically related to a kind of fire hose take-up mechanism, be installed on the fire-fighting equipment catering car with the responding of disaster relief vehicle, the fire-fighting band after the disaster relief is finished is recovered in the fire-fighting equipment catering car and supplies the supporting separately reason band mechanism arrangement on the fire-fighting equipment catering car.

Background technology

The fire-fighting equipment catering car (also claims the fire-fighting equipment service truck in the responding of fire-fighting car owner car, as follows, but be not subjected to the restriction of concrete appellation) also follow responding, with after main car responding and arriving the destination, by the fire fighter fire-fighting band dragged from the fire-fighting equipment catering car draw with fire pump or similarly device connect and implement fire extinguishing.After fire extinguishing finishes, the fire-fighting band is retracted to fire-fighting equipment catering car place and and then tidies up in the compartment by the fire fighter by the fire fighter or by traction vehicle (under the condition permission status).Yet because the fire-fighting band is not only tediously long but also heavy, the fire fighter is bigger with the muscle power that is consumed in the process of fire-fighting band involution in the fire-fighting equipment catering car, and speed is slower.Particularly, often can't the fire-fighting band be dragged back, but the fire-fighting band be taken back with the form of drawing in the net with the fire fighter entirely by means of the traction vehicle at some special occasions.Known to the industry, the short then hundreds of rice of fire-fighting band, long then go up km even longer, add the dirt that the fire-fighting band is in moisture state and speckles with earth and so in large quantities, by having experienced the manual fire-fighting band is taken back in car of fire fighter that is under the dog-tired state after the disaster relief personally is a kind of caving-in bash really, the onlooker is vertical the heart of loving and respecting, but lacks the power that can help.Therefore, from labour intensity that alleviates the fire fighter and the angle that improves operating efficiency, very be necessary to make fire-fighting equipment catering car or similar supporting device on the vehicle in the prior art, yet in disclosed document (comprising patent documentation), be seen in the technology enlightenment that addresses the above problem with automatic band-retracting function.Explore for a long time through the applicant, found result of the above problems, technical scheme described below produces under this background.

Summary of the invention

Task of the present utility model be to provide a kind of can be automatically and the fire-fighting band is taken back to Che Nei used the fire hose take-up mechanism that alleviates fire fighter's working strength quickly.

Task of the present utility model is finished like this, and a kind of fire hose take-up mechanism comprises that one is used to be installed to the frame on the vehicle, and the middle part of the length direction of this frame constitutes a recess channel; One master rotor is located in the described recess channel; One is used to order about the master rotor driver of described master rotor motion, is located in the recess channel and with the master rotor transmission to connect; One transmission device, be located at described frame length direction a side and connect with described master rotor; Second take-up cylinder that one first take-up cylinder and that connects with described transmission mechanism similarly connects with transmission mechanism is located in the described recess channel and lays respectively at the both sides of described master rotor; A pair of first friction roll is located on the frame with corresponding to each other and contacts with described first friction roll at the position corresponding to the forward (FWD) mouth of described recess channel; A pair of second friction roll is located on the frame with corresponding to each other and contacts with described second friction roll at the position corresponding to the band outlet of described recess channel; That one group of quantity equates with the quantity of described first, second friction roll and acting cylinder that make first, second friction roll scold out or close up with first, second friction roll being used to of connecting independently of one another is located on the described frame.

In a specific embodiment of the present utility model, described master rotor driver is hydraulic motor or the motor of being furnished with reductor.

In another specific embodiment of the present utility model, described transmission device comprises first, second, third drive and first, second driving-belt, first drive is fixed on the second tin roller axle of described first take-up cylinder, second drive is fixed on first drum shaft of master rotor, the 3rd drive is installed in the 3rd drum shaft of second take-up cylinder, one end of first driving-belt is nested with on first drive, the other end is nested with on second drive, one end of second driving-belt is nested with on the 3rd drive, and the other end is nested with on second drive.

Go back in the specific embodiment of the present utility model, described first, second, third drive is sprocket wheel or belt pulley, and described first, second driving-belt is chain or belt.

In another specific embodiment of the present utility model, be provided with a pair of plate of entrusting that is used for holding fire-fighting band in the described recess channel, a pair ofly entrust the both sides that plate lays respectively at described master rotor, be provided with one first belt-guiding device on the described frame and at a end, and be provided with one second belt-guiding device at a end corresponding to described band outlet corresponding to described forward (FWD) mouth.

In another specific embodiment of the present utility model, described first belt-guiding device comprises roller, a pair of first leg, a pair of limiting roll and a pair of second leg, roller is the roller of squirrel-cage, be arranged on an end of a pair of first leg rotationally, and the other end of a pair of first leg is fixed on the frame, a pair of limiting roll is arranged on an end of corresponding second leg rotationally, and the other end of second leg is fixed on first leg, and wherein a pair of limiting roll keeps parallel longitudinal; Described second belt-guiding device comprises a pair of location-plate and at least one fire-fighting band outlet roller, and a pair of location-plate is fixed on the corresponding wall body in band outlet position, and fire-fighting band outlet roller is arranged between a pair of location-plate.

More of the present utility model and in specific embodiment, the position of the forward (FWD) mouth of described recess channel is provided with one first deflector roll, this first deflector roll is corresponding with the preceding side lower part of described first take-up cylinder; The position of the band outlet of described recess channel is provided with one second deflector roll, and this second deflector roll is corresponding with the back side lower part of described second take-up cylinder.

In of the present utility model and then specific embodiment, described frame is provided with first signal picker that a pair of position corresponds to each other, should be to first signal picker the place ahead corresponding to described a pair of first friction roll, on frame, also be provided with the secondary signal collector that a pair of position corresponds to each other, this is to secondary signal collector the place ahead corresponding to described a pair of second friction roll, and described first, second signal picker is infrared probe or hall sensing element.

Of the present utility model again more and in specific embodiment, each cylinder body of described one group of acting cylinder is hinged on the cylinder block, cylinder block is fixed on the frame, the cylinder post of acting cylinder is connected with an end of lever, the middle part and the lever dolly of lever are hinged, and lever dolly with plumbness be fixed on the frame, the 4th drum shaft of the other end of lever and corresponding first friction roll connects.

In again of the present utility model and then specific embodiment, described acting cylinder is oil cylinder or cylinder.

The technical scheme that the utility model is recommended has takes the fire-fighting band back automatically and quickly to vehicle and uses the working strength that alleviates the fire fighter and can save time.

Description of drawings

Fig. 1 is a specific embodiment structure chart of the present utility model.

Fig. 2 is disposed at schematic diagram on the vehicle for the utility model fire hose take-up mechanism.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Ask for an interview Fig. 1, provided a frame structure and integrally be coated with the frame 1 that being substantially of backplate 14 is rectangular and shape of cross section takes the shape of the letter U.Constitute one at the middle part of the length direction of frame 1 and connect recess channel 11 to the other end by an end, here an alleged end and the notion of the other end are meant that forward (FWD) mouth 111 is an end, and band outlet 112 is the other end, into and out of band mouth the 111, the 112nd, connects.Again, because the setting of recess channel 111, thereby make the shape of cross section of whole frame 1 show as aforesaid U-shaped.End in frame 1 promptly is provided with one first belt-guiding device 12 corresponding to an end of forward (FWD) mouth 111, in the present embodiment, provided preferably but not the structure of first belt-guiding device 12 that definitely is limited to, shape structure is rotatably supported in an end of a pair of first leg 122 just as the roller 121 of mouse cage by the axle ear on the fixed head 1211 at two ends, and the other end of a pair of first leg 122 to be the right-hand member of shown position state be fixed on the frame 1 with welding or riveted joint or with securing member or with other similar fixed form.As seen from the figure, a pair of first leg 122 is to be fixed in cantilever state on the frame 1, and distance each other is the width of recess channel 11, also is the length of roller 121.A pair of limiting roll 123 is rotatably supported on a pair of second leg 124, and this effect to limiting roll 123 is the both sides of the width of fire-fighting band 10 to be carried out spacing, avoids fire-fighting band 10 uncontrolled play phenomenon to occur.Aforesaid a pair of second leg 124 and first leg 122 are fixing, and concrete fixed form does not need to limit in the utility model.Certainly, first, second leg 122,124 also can be processed into integrative-structure.

Right-hand member by the shown position state is a band outlet 112 at present, be provided with at the position of this band outlet 112 that a structure is similarly preferably but not second belt-guiding device 13 that definitely is limited to, end as a pair of location-plate 131 of this second belt-guiding device 13 is fixed with the corresponding wall body of recess channel 11 in recess channel 11, the other end is stuck in recess channel 11, more particularly is stuck in band outlet 112.At least one fire-fighting band outlet roller 132 is fixed on a pair of shape and is preferably between the location-plate 131 of arc.

In recess channel 11, also be provided with first,

second deflector roll

15,16, wherein, first deflector roll 15 is positioned at forward (FWD) mouth 111 positions and corresponding with the bottom of the front side (being illustrated left side) of first take-up cylinder 5, and second deflector roll 16 is positioned at band outlet 112 positions and corresponding with the bottom of the rear side (being illustrated right side) of second take-up cylinder 6.At an end of frame 1 is that the corresponding both sides of illustrated left end respectively are provided with one first signal picker 17a, should promptly be positioned at left side to the front side that the first signal picker 17a is positioned at first friction roll 7 by first friction roll 7 under the current icon location status, the corresponding both sides at the nearly middle part of frame 1 respectively are provided with a secondary signal collector 17b, and this is illustrated left side to the front side that secondary signal collector 17b is positioned at second friction roll 8.First, second signal picker 17a, 17b adopt infrared probe in the present embodiment, but do not get rid of other, for example hall sensor or other equivalent device.First, second signal picker 17a, 17b are electrically connected with electric controller by circuit, by giving electric controller with signal feedback behind its collection signal, and then give acting cylinder 9 to instruction by electric controller, vice versa thereby a pair of first, second friction roll 17a, 17b are upturned promptly open (leaving first, second take-up cylinder 5,6).Make public understanding for convenience, the applicant not only shows fire-fighting band 10 in the drawings, but also illustrated joint 101 on the fire-fighting band 10, when joint 101 enter the first signal picker 17a watch line the time, because the thickness of joint 101 is much thicker than fire-fighting band 10, therefore can't from a pair of first friction roll 7 and first take-up cylinder 5, pass through, therefore, just visit by the first signal picker 17a and reach to the signal electric controller, make a pair of acting cylinder 9 work, thereby a pair of first friction roll 7 is scolded out with respect to first take-up cylinder 5 and be the state of the signal of dotted line among the figure by acting cylinder 9, and after joint 101 passed through, a pair of first friction roll 7 reset to first take-up cylinder 5 and pastes the state that touches mutually.The function of a pair of secondary signal collector 17b is identical with the aforesaid a pair of first signal picker 17a, give electric controller by it with signal feedback, make corresponding a pair of acting cylinder 9 actions by electric controller, a pair of second friction roll 8 is presented scolds out state, treat joint 101 by after reset to and second take-up cylinder, 6 contacted states.

Continue to see Fig. 1, master rotor driver 3 is installed on the wall body of a side of recess channel 11 and occupy the middle part of recess channel 11 substantially by holder 32, shaft coupling 22 transmissions of the output shaft 31 usefulness flat keys of master rotor driver 3 or shaft coupling or other similar mode and master rotor 2 one ends connect, be bearing on the bearing block 211 and first drum shaft 21 of master rotor 2 rotatably (passes through bearing), bearing block 211 is fixed on the frame 1.First take-up cylinder 5 is bearing on the frame 1 by the two ends of its second tin roller axle 51 and by means of the bearing block 511 that carries bearing, and whole first take-up cylinder 5 is positioned at recess channel 11.Second take-up cylinder 6 similarly is bearing on the frame 1 by means of the corresponding bearing block that carries bearing by the two ends of its 3rd drum shaft 61, and whole second take-up cylinder 6 is arranged in recess channel 11.In the present embodiment, as master rotor driver 3, for example do not adopt the motor of being furnished with reductor with hydraulic motor but do not arrange other.

Because the structure of a pair of first friction roll 7 and a pair of second friction roll 8 is identical with set-up mode and the bind mode with acting cylinder 9 is also all identical separately, so one of them first friction roll 7 that the applicant only selects in a pair of first friction roll 7 describes.The 4th drum shaft 71 of first friction roll 7 is bearing in the semiaxis groove 19 that is opened on the frame 1, and connects with acting cylinder 9, and the 5th drum shaft 81 of second friction roll 8 in like manner.The cylinder body 91 of acting cylinder 9 is hinged on the cylinder block 911, cylinder block 911 is fixed on the frame 1, the cylinder post 92 usefulness bearing pins of acting cylinder 9 and an end of lever 921 are hinged, the middle part of lever 921 and lever dolly 9211 are hinged, and lever dolly 922 with plumbness be fixed on the frame 1, the other end of lever 921 and the 4th drum shaft 71 connect.In the present embodiment, acting cylinder 9 selected use cylinder, yet do not get rid of oil cylinder or other equivalent drive unit.

Still ask for an interview Fig. 1, provided transmission device 4, first drive 41 as this transmission device 4 is fixed on the second tin roller axle 51 of first take-up cylinder 5, second drive 43 is fixed on first drum shaft 21 of master rotor 2, and the 3rd drive 45 is fixed on the 3rd drum shaft 61 of second take-up cylinder 6.Two ends as first driving-belt 42 of transmission mechanism 4 are nested with respectively on first, second drive 41,43, and the two ends of second driving-belt 44 are nested with respectively on the two or three drive 43,45.In the present embodiment, first, second,

third drive

41,43,45 is adopted sprocket wheel, use chain therewith adaptably as first, second driving-belt.If first, second,

third drive

41,43,45 is used instead belt pulley and is used first, second driving-belt 42,44 instead belt simultaneously, should be considered as equivalence so.When 3 work of master rotor driver, drive master rotor 2 motions by it, and then drive first, second take-up cylinder 5,6 motions, the fire-fighting band 10 that is imported by first belt-guiding device 12 is moved towards band outlet 112 by transmission device 4, derive through second belt-guiding device 13, enter in the vehicle.In order to prevent that the tenesmus phenomenon from appearring between first take-up cylinder 5 and the master rotor 2 and between the master rotor 2 and second take-up cylinder 6 in fire-fighting band 10, therefore in recess channel 11 and be positioned at master rotor 2 both sides below respectively be provided with one and entrust plate 18.

Ask for an interview Fig. 2 and in conjunction with Fig. 1, the applicant narrates application of the present utility model, by as can be known shown in Figure 2, the utility model fire hose take-up mechanism preferred positions is integrally to be installed on the driver's cabin ceiling 201 of fire-fighting equipment catering car 20, the notion of alleged here fire-fighting equipment catering car 20 is not subjected to the restriction of speech meaning, for example can be understood as the logistics support car or lays in car or the like with alert vehicle or fire-fighting band.On this fire-fighting equipment catering car 20, also can be equipped with a reason band mechanism 30, the utility model fire hose take-up mechanism be tidied up that fire-fighting band 10 in the compartment 202 is put in order and stacked in an orderly manner by reason band mechanism 30.

When after disaster relief task is finished, fire-fighting band 10 being regained, be drawn to an end of fire-fighting band 10 between first friction roll 7 and first take-up cylinder 5 by the fire fighter so and draw and master rotor 2 and cause second friction roll 8 and second take-up cylinder 6 between.Order about 3 work of master rotor driver by electric controller, master rotor 2 turns clockwise, because master rotor 2 is by transmission device 4 and first, second take-up cylinder 5,6 connections, therefore, first, second take-up cylinder 5,6 also do the clockwise direction rotation, again because first friction roll 7 is to contact with 5 pressings of first take-up cylinder, and owing to second friction roll 8 contacts with 6 pressings of second take-up cylinder, add first, second take-up cylinder 5,6 and first, second friction roll 7,8 surface all has the friction tooth bar or claims the friction gear ring, therefore between first friction roll 7 and first take-up cylinder 5 and fire-fighting band 10 under the guiding of first guiding device 12 the forward (FWD) mouth 111 from recess channel 11 of while between second friction roll 8 and second take-up cylinder 6 introduce continuously, until drawing from band outlet 112, import in the compartment 202 by second belt-guiding device 13, for 30 arrangements of reason band mechanism.In the take-up process, when the joint 101 of fire-fighting band 10 is visited in time by the first signal picker 17a, then give electric controller to signal by the first signal picker 17a, give instruction a pair of acting cylinder 9 by electric controller, the cylinder post 92 of a pair of acting cylinder 9 is bounced back in cylinder body 91 simultaneously, drive an end of lever 921, drive the 4th drum shaft 71 (semiaxis) of a pair of first friction roll 7 by the other end of lever 921, thereby a pair of first friction roll 7 is upturned, for joint 101 provides passage, after treating that joint 101 passes through, a pair of first friction roll 7 is resetted, promptly oppress once more on first take-up cylinder 5 by a pair of acting cylinder 9.The reason that second friction roll 8 upwarps is with first friction roll 7.

In sum, the utility model structure can be tidied up fire-fighting band 10 in the compartment 202 apace, thus the deficiency that efficient is low, operation intensity is big of having avoided prior art to be caused by the manual take-up of fire fighter.

Claims

1, a kind of fire hose take-up mechanism is characterized in that comprising that one is used to be installed to the frame (1) on the vehicle, and the middle part of the length direction of this frame (1) constitutes a recess channel (11); One master rotor (2) is located in the described recess channel (11); One is used to order about the master rotor driver (3) of described master rotor (2) motion, is located in the recess channel (11) and with master rotor (2) transmission to connect; One transmission device (4), be located at described frame (1) length direction a side and connect with described master rotor (2); Second take-up cylinder (6) that one first take-up cylinder (5) and that connects with described transmission mechanism (4) similarly connects with transmission mechanism (4), it is interior and lay respectively at the both sides of described master rotor (2) to be located at described recess channel (11); A pair of first friction roll (7) is located at that frame (1) goes up with corresponding to each other and contacts with described first friction roll (7) at the position corresponding to the forward (FWD) mouth (111) of described recess channel (11); A pair of second friction roll (8) is located at that frame (1) goes up with corresponding to each other and contacts with described second friction roll (8) at the position corresponding to the band outlet (112) of described recess channel (11); That one group of quantity equates with the quantity of described first, second friction roll (7,8) and acting cylinder (9) that make first, second friction roll (7,8) scold out or close up with first, second friction roll (7,8) being used to of connecting independently of one another is located on the described frame (1).

2, fire hose take-up mechanism according to claim 1 is characterized in that described master rotor driver (3) is hydraulic motor or the motor of being furnished with reductor.

3, fire hose take-up mechanism according to claim 1, it is characterized in that described transmission device (4) comprises first, second, the 3rd drive (41,43,45) and first, second driving-belt (42,44), first drive (41) is fixed on the second tin roller axle (51) of described first take-up cylinder (5), second drive (43) is fixed on first drum shaft (21) of master rotor (2), the 3rd drive (45) is installed in the 3rd drum shaft (61) of second take-up cylinder (6), one end of first driving-belt (42) is nested with on first drive (41), the other end is nested with on second drive (43), one end of second driving-belt (44) is nested with on the 3rd drive (45), and the other end is nested with on second drive (43).

4, fire hose take-up mechanism according to claim 3 is characterized in that described first, second, third drive (41,43,45) is sprocket wheel or belt pulley, and described first, second driving-belt (42,44) is chain or belt.

5, fire hose take-up mechanism according to claim 1, it is characterized in that being provided with in the described recess channel (11) a pair of be used for holding fire-fighting band entrust plate (18), a pair ofly entrust the both sides that plate (18) lays respectively at described master rotor (2), described frame (1) goes up and is provided with one first belt-guiding device (12) at the end corresponding to described forward (FWD) mouth (111), and is provided with one second belt-guiding device (13) at the end corresponding to described band outlet (112).

6, fire hose take-up mechanism according to claim 5, it is characterized in that described first belt-guiding device (12) comprises roller (121), a pair of first leg (122), a pair of limiting roll (123) and a pair of second leg (124), roller (121) is the roller of squirrel-cage, be arranged on an end of a pair of first leg (122) rotationally, and the other end of a pair of first leg (122) is fixed on the frame (1), a pair of limiting roll (123) is arranged on an end of corresponding second leg (124) rotationally, and the other end of second leg (124) is fixed on first leg (122), and wherein a pair of limiting roll (123) keeps parallel longitudinal; Described second belt-guiding device (13) comprises a pair of location-plate (131) and at least one fire-fighting band outlet roller (132), a pair of location-plate (131) is fixed on the corresponding wall body in band outlet (112) position, and fire-fighting band outlet roller (132) is arranged between a pair of location-plate (131).

7, fire hose take-up mechanism according to claim 1, the position that it is characterized in that the forward (FWD) mouth (111) of described recess channel (11) is provided with one first deflector roll (15), and this first deflector roll (15) is corresponding with the preceding side lower part of described first take-up cylinder (5); The position of the band outlet (112) of described recess channel (11) is provided with one second deflector roll (16), and this second deflector roll (16) is corresponding with the back side lower part of described second take-up cylinder (6).

8, fire hose take-up mechanism according to claim 1, it is characterized in that described frame (1) is provided with first signal picker (17a) that a pair of position corresponds to each other, should be to first signal picker (17a) the place ahead corresponding to described a pair of first friction roll (7), on frame (1), also be provided with the secondary signal collector (17b) that a pair of position corresponds to each other, this is to secondary signal collector (17b) the place ahead corresponding to described a pair of second friction roll (8), described first, secondary signal collector (17a, 17b) be infrared probe or hall sensing element.

9, fire hose take-up mechanism according to claim 1, each cylinder body (91) that it is characterized in that described one group of acting cylinder (9) is hinged on the cylinder block (911), cylinder block (911) is fixed on the frame (1), the cylinder post (92) of acting cylinder (9) is connected with an end of lever (921), the middle part of lever (921) and lever dolly (9211) are hinged, and lever dolly (9211) with plumbness be fixed on the frame (1), the 4th drum shaft (71) of the other end of lever and corresponding first friction roll (7) connects.

10, fire hose take-up mechanism according to claim 9 is characterized in that described acting cylinder (9) is oil cylinder or cylinder.