CN109464768B - Full-automatic hosepipe is accomodate and is laid car - Google Patents
Full-automatic hosepipe is accomodate and is laid car Download PDFInfo
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- CN109464768B CN109464768B CN201811590951.3A CN201811590951A CN109464768B CN 109464768 B CN109464768 B CN 109464768B CN 201811590951 A CN201811590951 A CN 201811590951A CN 109464768 B CN109464768 B CN 109464768B
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- guide rail
- trolley
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- roller
- rail beam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000001360 synchronised effect Effects 0.000 claims description 44
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009966 trimming Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 108010066114 cabin-2 Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010415 tidying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/04—Supports or clamps for fire hoses
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention provides a full-automatic water hose storage laying vehicle which comprises a chassis, a power cabin, a carriage, a telescopic plate, a guide rail beam, a machine head, a front belt arranging trolley and a rear belt arranging trolley, wherein the chassis is arranged on the chassis; the chassis is provided with a power cabin and a carriage, and a guide rail beam is arranged above the carriage; the guide rail beam is arranged along the extending direction of the vehicle body and is connected with the carriage through a transversely arranged sliding rail and a first driving device for driving the guide rail beam to transversely move along the sliding rail, a machine head is arranged in the middle of the guide rail beam, and a telescopic plate is arranged in the front end of the guide rail beam; a front trimming belt trolley is also arranged on the guide rail beam between the machine head and the expansion plate, and a rear trimming belt trolley is arranged on the guide rail beam at the rear of the machine head; and under the drive of the second driving device, the front belt arranging trolley and the rear belt arranging trolley slide back and forth along the guide rail beam. The invention has the advantages that: the novel two belt arranging trolleys are used for circulating belt arranging, and the water belts pulled on the top of the carriage by the machine head are continuously arranged and are arranged.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a full-automatic water hose storage laying vehicle.
Background
In recent years, with the continuous high-speed development of economy in China, large-scale buildings, petrochemical factories, warehouses, oil and gas facilities and markets are continuously constructed, wherein a plurality of large-scale fires occur successively, and serious property and personal casualties are caused. As we know, the larger the fire scale under the corresponding condition is, the higher the fire extinguishing difficulty is, and the longer the fire extinguishing time is.
Statistics according to the related aspects show that the average casualties of various fires occurring in China every year can reach thousands of people, the economic loss caused by the casualties can reach more than 15 hundred million RMB, and the rapid rising trend is also presented.
Under the above circumstances, the conventional fire truck has a limited water-loading capacity, and is unable to perform a fire extinguishing operation with high strength for a long period of time, and is almost unable to perform a fire disaster occurring in an oil-gas field, a warehouse, or the like. At this time, if the large fire disaster is to be effectively controlled, a plurality of fire-fighting vehicles and large-flow water cannons are also required to be adopted for continuous fire-extinguishing operation. Therefore, it is particularly necessary to directly perform remote continuous water supply operation by using a large-diameter water supply line through a water source.
The long-range water supply must lay fast between water source and fire scene through the major diameter hosepipe, and the hosepipe lays the effect of car and lays the hosepipe fast, stores the hosepipe in the carriage again after the use. Because the water band is long in laying distance and heavy, the water band is usually required to be recovered by machinery, and high-intensity labor of personnel is avoided. However, the existing water hose storage laying vehicle is not enough in automation degree, and great inconvenience is brought to emergency fire extinguishing work.
Disclosure of Invention
The invention aims to solve the technical problem of providing a full-automatic water hose storage laying vehicle capable of automatically storing and laying water hoses, and capable of automatically efficiently recovering and arranging water hoses laid on the ground in a storage carriage.
The invention adopts the following technical scheme to solve the technical problems:
a full-automatic water hose storage laying vehicle comprises a chassis, a power cabin, a carriage, a telescopic plate, a guide rail beam, a machine head, a front belt arranging trolley and a rear belt arranging trolley; the chassis is provided with a power cabin and a carriage, and a guide rail beam is arranged above the carriage; the guide rail beam is arranged along the extending direction of the vehicle body and is connected with the carriage through a transversely arranged sliding rail and a first driving device for driving the guide rail beam to transversely move along the sliding rail, a machine head is arranged in the middle of the guide rail beam, and a telescopic plate is arranged in the front end of the guide rail beam; a guide rail beam between the machine head and the expansion plate is also provided with a front belt trolley, and a rear belt trolley is arranged on the guide rail beam at the rear of the machine head; and under the drive of the second driving device, the front belt arranging trolley and the rear belt arranging trolley slide back and forth along the guide rail beam.
As one of the preferable modes of the invention, the chassis is specifically a fixed chassis, a self-propelled chassis, a crawler-type chassis, a hanging-drag chassis, a tire-type self-made chassis or a second-class cargo chassis.
As one preferable mode of the invention, the expansion plate is arranged inside the guide rail beam, and is extended and retracted by a third driving device connected with the expansion plate, and the front end of the expansion plate is provided with a roller.
As one of the preferable modes of the invention, the third driving device drives the expansion plate to stretch and retract, and specifically adopts a hydraulic cylinder to push and pull, a gear rack pair to drive or a screw rod to drive.
As one of the preferable modes of the invention, the first driving device drives the guide rail beam to transversely move along the sliding rail, and specifically adopts a mode that a hydraulic motor drives a screw rod to drive, the hydraulic motor drives a gear rack pair to drive, and the motor drives the screw rod to drive or the motor drives the gear rack pair to drive.
As one of the preferable modes of the invention, when the first driving device drives the guide rail beam to move, the hydraulic motor is specifically adopted to drive the screw rod, the specific structure is as follows:
the guide rail beam specifically comprises two opposite C-shaped section guide rails, and is connected into a whole through a front profile plate, a rear profile plate and a connecting beam; the guide rail comprises a front guide rail and a rear guide rail, the guide screw comprises a first guide screw and a second guide screw, the front guide rail and the first guide screw are arranged at the front part of the guide rail beam, and the rear guide rail and the second guide screw are arranged at the rear part of the guide rail beam;
the front profile plate is arranged at the forefront end of the guide rail beam, and a hydraulic cylinder for the expansion plate is arranged on the front profile plate; the rear profile plate is arranged on a guide rail beam between the machine head and the front profile plate, a first sliding block and a first nut are arranged on the rear profile plate, the first sliding block is in sliding fit with the front sliding rail, and the first nut is meshed with the first screw rod; the connecting beam is arranged at the rearmost end of the guide rail beam, a second sliding block and a second nut are arranged on the connecting beam, the second sliding block is in sliding fit with the rear sliding rail, and the second nut is meshed with the second screw rod; the first screw rod and the second screw rod are driven by the cooperation of the first gear reversing box, the second gear reversing box, the transmission rod and the screw rod hydraulic motor; and the guide rail beam slides left and right along the front sliding rail and the rear sliding rail under the driving of the rotation of the screw rod hydraulic motor.
As one of preferable modes of the invention, the head comprises a head frame, an inner plate, a synchronous belt, a first compression roller assembly, a second compression roller assembly, a synchronous belt driving assembly and an outer plate arranged outside the inner plate; the machine head frame is positioned at the innermost end, inner plates are arranged on two sides of the machine head frame, a first synchronous belt roller and a second synchronous belt roller are arranged between the two inner plates, the first synchronous belt roller is positioned at the front end of the machine head, the second synchronous belt roller is positioned at the rear end of the machine head, and synchronous belts are wound on the first synchronous belt roller and the second synchronous belt roller; the first compression roller assembly is arranged between the inner plate and the outer plate and is connected with the inner plate and the outer plate in a hinged manner; the second compression roller assembly is arranged between the inner plate and the outer plate behind the first compression roller assembly and is also connected with the inner plate and the outer plate in a hinged mode;
the first press roll assembly specifically comprises a first press roll and first swing arms arranged at two ends of the first press roll, one end of each first swing arm is hinged to the inner plate and the outer plate, and the other end of each first swing arm is hinged to the first hydraulic cylinder; the second press roll assembly specifically comprises a second press roll and second swing arms arranged at two ends of the second press roll, one end of each second swing arm is hinged to an inner plate and an outer plate behind the corresponding first swing arm, and the other end of each second swing arm is hinged to a second hydraulic cylinder;
the synchronous belt driving assembly comprises a machine head hydraulic motor, a front chain wheel, a rear chain wheel, a first chain and a second chain; the machine head hydraulic motor is arranged on the inner plate, and the tail end of the machine head hydraulic motor is connected with the front chain wheel through a first chain; the front chain wheel is coaxially arranged with the first synchronous belt roller, and the other end of the front chain wheel is connected with the rear chain wheel through a second chain; the rear chain wheel and the second synchronous belt roller are coaxially arranged, a supporting chain wheel is arranged on a second chain between the rear chain wheel and the front chain wheel, and the supporting chain wheel is meshed with the second chain; the machine head hydraulic motor drives the front chain wheel and the rear chain wheel to rotate through the first chain and the second chain, drives the first synchronous belt roller and the second synchronous belt roller to rotate, and further drives the synchronous belt to rotate.
As one of the preferable modes of the invention, a plurality of supporting rollers are arranged between the two inner plates.
As one of the preferable modes of the invention, the handpiece further comprises a photoelectric sensor, and the photoelectric sensor controls the first hydraulic cylinder and the second hydraulic cylinder; when the water band joint passes, the photoelectric sensor gives out a signal, the first hydraulic cylinder is controlled, the first swing arm is driven to be opened to enable the joint to pass, then the first swing arm falls down to clamp the water band, the second swing arm is opened to enable the water band joint to pass, and then the second swing arm falls down to clamp the water band.
As one of the preferable modes of the invention, the second driving device drives the front belt arranging trolley and the rear belt arranging trolley to slide back and forth along the guide rail beam, and the mode is specifically driven by a hydraulic motor driving chain wheel chain, a hydraulic motor driving gear rack pair or a motor driving gear rack pair.
As one of the preferable modes of the invention, when the second driving device drives the front belt arranging trolley and the rear belt arranging trolley to slide, the mode of driving the chain wheel and the chain by the hydraulic motor is specifically adopted, the specific structure is as follows:
the rear belt-sorting trolley specifically comprises a trolley body, a third hydraulic cylinder, a third swing arm, a trolley press roller, a first tooth roller and a second tooth roller, wherein the third hydraulic cylinder, the third swing arm, the trolley press roller and the roller are arranged on the trolley body; the two third swing arms are respectively arranged at two side ends of the trolley body, the fixed shafts of the third swing arms are hinged to the trolley body, and one ends of the third swing arms are respectively connected with a third hydraulic cylinder; the trolley compression roller is specifically arranged on the trolley body behind the third swing arm, and the tail end of one side shaft of the trolley compression roller is connected with the first tooth roller through a gear pair; the rollers are specifically arranged at the rearmost end of the trolley body, and two ends of each roller are fixed with the trolley body; the first tooth roller and the second tooth roller are both arranged on the trolley body and meshed with guide rail teeth which are additionally arranged, and the guide rail teeth are specifically guide rail teeth which are arranged on the inner side of the guide rail beam and are arranged in parallel with the guide rail beam; in addition, a roller is further arranged at one side end, far away from the guide rail teeth, of the trolley body, and the roller is in sliding fit with a guide rail on the corresponding guide rail beam;
the structure of the front belt trolley is symmetrical to that of the rear belt trolley.
As one of the preferable modes of the invention, a third chain is arranged at the inner end of the guide rail near one side of the guide rail teeth on the guide rail beam; the third chain is matched with a chain wheel on the trolley body and driven by a chain hydraulic motor; the front belt trolley and the rear belt trolley synchronously move under the traction of the third chain, the movable range of the front belt trolley is limited at the front half part of the carriage, and the movable range of the rear belt trolley is limited at the rear half part of the carriage; the two trolleys circularly and reciprocally drag the water belt, and the water belt is stored in the carriage.
As one of the preferred modes of the present invention, a power system is further included; the power system specifically comprises a power supply system, a hydraulic system and a power takeoff; the input end of the power takeoff is connected with the original vehicle engine, and the output end of the power takeoff is connected with the input end of the hydraulic system; and the output end of the hydraulic system is respectively connected with each hydraulic cylinder and the driving motor.
As one of the preferred modes of the invention, the power cabin is specifically mounted on the chassis at the front of the cabin for placing the power system.
The application method and the principle are as follows:
(1) When the full-automatic water hose accommodating and laying vehicle works, the telescopic plate is stretched out to a proper position by the first driving device;
(2) The water band passes through the expansion plate and the machine head, and the rope is tightly pressed by the press roller of the machine head;
(3) Starting a head hydraulic motor to drive the synchronous belt to rotate, pulling the water belt to the expansion plate by the rope under the friction force generated between the synchronous belt and the press roller, and then falling from the rear of the head after passing through the press roller of the head (the press roller lifts and passes through the joint when the water belt joint passes through the head);
(4) The falling water belt is clamped by the swing arm of the belt arranging trolley, friction force is generated between the belt arranging trolley and the compression roller, the belt arranging trolley slides to one end of the carriage under the dragging of the third chain, and the compression roller shaft on the trolley is meshed with the guide rail through the gear pair and the tooth roller, so that the compression roller can be driven to rotate and friction force is generated between the belt arranging trolley and the water belt to drag the water belt to move forwards during the sliding of the trolley; after the belt arranging trolley moves to the end part of the carriage, opening the hydraulic swing arm to place the water belt in the carriage; then, the other belt arranging trolley clamps the water belt falling from the machine head and slides to the other end of the carriage, so that the water belt falling from the machine head is continuously placed in the carriage under the reciprocating motion of the two belt arranging trolleys; the water bands are finally arranged into a plurality of rows by driving the guide rail beams to move left and right above the carriage.
Compared with the prior art, the invention has the advantages that:
(1) The two belt arranging trolleys are used for circulating belt arranging, and the water belts pulled on the top of the carriage by the machine head are continuously arranged and arranged; therefore, the chassis can run uninterruptedly, so that the tape collecting process is more convenient;
(2) The press roller shaft of the belt arranging trolley is meshed with the corresponding racks on the guide rail teeth through the gear pair and the tooth roller, the press roller can be driven to rotate when the trolley slides, and the belt can be pulled to move when the trolley slides in cooperation with the pressing force generated by the swing arm.
Drawings
FIG. 1 is a schematic view of the overall structure of a fully automatic hose storage laying vehicle in example 1;
FIG. 2 is a schematic view of another angular configuration of the fully automated hose storage laying truck of example 1;
FIG. 3 is a schematic view showing the bottom view of the guide rail beam of example 1;
FIG. 4 is a schematic view showing the structure of a handpiece in embodiment 1;
FIG. 5 is a schematic view of the structure of the post-treatment belt cart in example 1;
FIG. 6 is a schematic diagram of the use process of the fully automatic hose storage laying truck of example 1;
FIG. 7 is a schematic diagram II of the use process of the fully automatic hose storage laying truck of example 1;
fig. 8 is a schematic diagram of the use process of the fully automatic hose storage laying vehicle in embodiment 1.
In the figure: 1 is chassis, 2 is power cabin, 3 is carriage, 4 is expansion plate, 41 is hydraulic cylinder for expansion plate, 42 is roller, 5 is guide rail beam, 51 is guide rail, 511 is third chain, 512 is chain hydraulic motor, 52 is front profile plate, 53 is back profile plate, 531 is first slider, 532 is first nut, 54 is connecting beam, 541 is second slider, 542 is second nut, 55 is slide rail, 551 is front slide rail, 552 is back slide rail, 56 is screw rod, 561 is first screw rod, 562 is second screw rod, 571 is first gear reversing box, 572 is second gear reversing box, 58 is transmission rod, 59 is screw rod hydraulic motor, 6 is head, 61 is head frame, 62 is inner plate, 621 is first synchronous belt roller, 622 is second synchronous belt roller, 623 is a supporting roller, 63 is a synchronous belt, 64 is a first press roller assembly, 641 is a first press roller, 642 is a first swing arm, 643 is a first hydraulic cylinder, 65 is a second press roller assembly, 651 is a second press roller, 652 is a second swing arm, 653 is a second hydraulic cylinder, 66 is a synchronous belt driving assembly, 661 is a head hydraulic motor, 662 is a front sprocket, 663 is a rear sprocket, 664 is a second chain, 665 is a supporting sprocket, 67 is an outer plate, 7 is a front belt trolley, 8 is a rear belt trolley, 81 is a trolley body, 811 is a sprocket, 82 is a third hydraulic cylinder, 83 is a third swing arm, 84 is a trolley press roller, 841 is a gear pair, 85 is a roller, 86 is a first tooth roller, 87 is a second tooth roller, 88 is a guide rail tooth, 89 is a roller, and 9 is a water belt.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Example 1
Referring to fig. 1-2, a fully automatic water hose storage laying vehicle of the present embodiment includes a chassis 1, a power cabin 2, a carriage 3, a telescopic plate 4, a rail beam 5, a machine head 6, a front belt arranging trolley 7, a rear belt arranging trolley 8 and a power system. The chassis 1 is a second-class cargo chassis, the chassis 1 is provided with a power cabin 2 and a carriage 3, and a guide rail beam 5 is arranged above the carriage 3; the guide rail beam 5 is arranged along the extending direction of the vehicle body and is connected with the carriage 3 through a transversely arranged slide rail 55 and a screw rod 56 in a matched mode, a machine head 6 is arranged in the middle of the guide rail beam 5, and a telescopic plate 4 is arranged in the front end of the guide rail beam 5; the expansion board 4 is extended and retracted by a hydraulic cylinder 41 for the expansion board, and a roller 42 is arranged at the front end of the expansion board 4; a front trimming trolley 7 is arranged on the guide rail beam 5 between the machine head 6 and the expansion plate 4, and a rear trimming trolley 8 is arranged on the guide rail beam 5 behind the machine head 6.
Referring to fig. 2-3, rail beam 5 specifically includes two opposing C-section rails 51 and is integrally connected by a front profile plate 52, a rear profile plate 53, and a connecting beam 54. The slide rail 55 includes a front slide rail 551 and a rear slide rail 552, the screw rod 56 includes a first screw rod 561 and a second screw rod 562, the front slide rail 551 and the first screw rod 561 are mounted on the front portion of the guide rail beam 5, and the rear slide rail 552 and the second screw rod 562 are mounted on the rear portion of the guide rail beam 5.
Further, a front profile plate 52 is provided at the forefront end of the guide rail beam 5, and the hydraulic cylinder 41 for the expansion plate is mounted on the front profile plate 52; the rear profile plate 53 is arranged on the guide rail beam 5 between the machine head 6 and the front profile plate 52, the rear profile plate 53 is provided with a first slider 531 and a first nut 532, the first slider 531 is in sliding fit with the front slide rail 551, and the first nut 532 is meshed with the first screw 561. The connecting beam 54 is mounted at the rearmost end of the guide rail beam 5, the connecting beam 54 is provided with a second slider 541 and a second nut 542, the second slider 541 is in sliding fit with the rear rail 552, and the second nut 542 is engaged with the second screw rod 562. Wherein, the first screw 561 and the second screw 562 are driven by the cooperation of the first gear reversing box 571, the second gear reversing box 572, the transmission rod 58 and the screw hydraulic motor 59; the guide rail beam 5 slides left and right along the front slide rail 551 and the rear slide rail 552 under the rotation drive of the screw hydraulic motor 59.
Referring to fig. 4, the head 6 includes a head frame 61, an inner plate 62, a timing belt 63, a first press roller assembly 64, a second press roller assembly 65, a timing belt driving assembly 66, and an outer plate 67 mounted outside the inner plate 62. The frame 61 is located the innermost end, and inner panels 62 are installed to frame 61 both sides, are equipped with first synchronous belt roller 621, second synchronous belt roller 622 between two inner panels 62, and first synchronous belt roller 621 is located the aircraft nose 6 front end, and second synchronous belt roller 622 is located the aircraft nose 6 rear end, twines on first synchronous belt roller 621, the second synchronous belt roller 622 has hold-in range 63. The first press roll assembly 64 is installed between the inner plate 62 and the outer plate 67 and connected with the inner plate 62 and the outer plate 67 in a hinged manner, and the second press roll assembly 65 is installed between the inner plate 62 and the outer plate 67 behind the first press roll assembly 64 and connected with the inner plate and the outer plate in a hinged manner.
Further, the first press roll assembly 64 specifically includes a first press roll 641 and first swing arms 642 disposed at both ends of the first press roll 641, one end of each of the first swing arms 642 is hinged to the inner plate 62 and the outer plate 67, and the other end is hinged to the first hydraulic cylinder 643. The second press roller assembly 65 specifically includes a second press roller 651 and second swing arms 652 disposed at two ends of the second press roller 651, one end of each second swing arm 652 is hinged to the inner plate 62 and the outer plate 67 behind the first swing arm 642, and the other end is hinged to the second hydraulic cylinder 653.
Further, the timing belt drive assembly 66 specifically includes a head hydraulic motor 661, a front sprocket 662, a rear sprocket 663, and first and second chains 664. The head hydraulic motor 661 is arranged on the inner plate 62, and the tail end of the head hydraulic motor 661 is connected with the front chain wheel 662 through a first chain; the front sprocket 662 is coaxially disposed with the first timing belt roller 621, and the other end of the front sprocket 662 is connected to the rear sprocket 663 through a second chain 664; the rear sprocket 663 is disposed coaxially with the second timing belt roller 622, and a support sprocket 665 is mounted on the second chain 664 between the rear sprocket 663 and the front sprocket 662, and the support sprocket 665 is engaged with the second chain 664. The head hydraulic motor 661 drives the front sprocket 662 and the rear sprocket 663 to rotate through the first chain and the second chain 664, drives the first timing belt roller 621 and the second timing belt roller 622 to rotate, and further drives the timing belt 63 to rotate. In addition, a plurality of support rollers 623 are provided between the two inner plates 62.
Further, the handpiece 6 also includes a photosensor. The photoelectric sensor controls the first hydraulic cylinder 643 and the second hydraulic cylinder 653; when the water band 9 joint passes, the photoelectric sensor gives a signal, the first hydraulic cylinder 643 is controlled, the first swing arm 642 is driven to be opened to enable the joint to pass, then the first swing arm 642 falls down to clamp the water band 9, the second swing arm 652 is opened to enable the water band 9 joint to pass, and then the second swing arm 652 falls down to clamp the water band 9.
Referring to fig. 5, the post-processing belt dolly 8 specifically includes a dolly body 81, a third hydraulic cylinder 82 mounted on the dolly body 81, a third swing arm 83, a dolly press roller 84, a roller 85, and a first toothed roller 86, a second toothed roller 87. The two third swing arms 83 are respectively arranged at two side ends of the trolley body 81, the fixed shafts of the third swing arms 83 are hinged to the trolley body 81, and one ends of the third swing arms 83 are respectively connected with a third hydraulic cylinder 82; the trolley compression roller 84 is specifically arranged on the trolley body 81 behind the third swing arm 83, and one side shaft end of the trolley compression roller 84 is connected with the first tooth roller 86 through the gear pair 841; the roller 85 is specifically arranged at the rearmost end of the trolley body 81, and two ends of the roller 85 are fixed with the trolley body 81; the first tooth roller 86 and the second tooth roller 87 are both arranged on the trolley body 81 and meshed with guide rail teeth 88 which are additionally arranged; the guide rail tooth 88 is specifically a guide rail tooth 88 installed inside the guide rail beam 5 and arranged parallel to the guide rail beam. In addition, a roller 89 is further arranged at one side end of the trolley body 81 far away from the guide rail teeth 88, and the roller 89 is in sliding fit with the guide rail 51 on the corresponding guide rail beam 5. The structure of the front belt trolley 7 is symmetrical with that of the rear belt trolley 8.
Further, a third chain 511 is provided on the rail beam 5 at the inner end of the rail 51 near the side of the rail teeth 88. The third chain 511 is engaged with a sprocket 811 on the carriage body 81 and is driven by a chain hydraulic motor 512. The front belt trolley 7 and the rear belt trolley 8 synchronously move under the traction of the third chain 511, the movable range of the front belt trolley 7 is limited at the front half part of the carriage 3, and the movable range of the rear belt trolley 8 is limited at the rear half part of the carriage 3; the two trolleys circularly and reciprocally drag the water belt 9, and the water belt 9 is contained in the carriage 3.
The power cabin 2 is specifically mounted on the chassis 1 in front of the carriage 3 for placing a power system. The power system comprises a power supply system, a hydraulic system and a power takeoff; the input end of the power takeoff is connected with the original vehicle engine, and the output end of the power takeoff is connected with the input end of the hydraulic system; the output end of the hydraulic system is respectively connected with each hydraulic cylinder and the driving motor.
Referring to fig. 6-8, the use process of the device is as follows:
(1) The engine is started, power of the engine is transmitted to a hydraulic pump in a hydraulic system through a power takeoff, and then the hydraulic pump distributes hydraulic power to each hydraulic cylinder and each hydraulic motor respectively.
(2) The expansion plate is extended by a hydraulic cylinder 41, and the expansion plate 4 is extended to the head direction.
(3) The water belt 9 to be stored passes over the roller 42 at the front end of the expansion plate 4 and is pulled towards the machine head 6; the control hydraulic system swings the first swing arm 642 and the second swing arm 652 on the machine head 6 upwards by using the first hydraulic cylinder 643 and the second hydraulic cylinder 653, and the water belt 9 passes below the first compression roller 641 and the second compression roller 651; the first and second hydraulic cylinders 643, 653 are operated to compress the water hose 9 by the first and second pressure rollers 641, 651.
(4) The head hydraulic motor 661 is started, the synchronous belt 63 starts to rotate backwards, and friction force generated between the first press roller 641, the second press roller 651 and the synchronous belt 63 pulls the water belt 9 to fall into the carriage 3 backwards; at the same time, the chain hydraulic motor 512 is started, and the chain pulls the front and rear belt trolleys 7 and 8 to slide synchronously along the guide rail 51. When the rear belt tidying trolley 8 slides to the rear of the machine head 6, the third swing arm 83 rotates to clamp the water belt 9 and drag the water belt to the rear of the carriage 3, and the water belt 9 is continuously put down into the carriage 3 under the driving of trolley traction and the driving of trolley compression roller 84 rotation (see fig. 6). When the rear belt-tidying cart 8 slides to the rear of the cabin 3, the third swing arm 83 rotates, lowering the water belt 9 (see fig. 7). Meanwhile, the front belt arranging trolley 7 slides to the rear of the machine head 6, the third swing arm 83 of the front belt arranging trolley 7 rotates to clamp the water belt 9 and drag the water belt 9 to the front of the carriage 3 (see fig. 8), the water belt 9 is dragged to the front end of the carriage 3 and put down according to the same working principle, and at the moment, the rear belt arranging trolley 8 slides to the rear of the machine head 6 to start to continuously clamp the water belt 9, and the process is repeated.
(5) Starting the screw rod hydraulic motor 59 to drive the screw rod 56 to rotate, so that the first screw rod 561 and the second screw rod 562 are simultaneously driven to rotate under the rotation of the screw rod hydraulic motor 59; the guide rail beams 5 are slid left and right by the first nuts 532 and the second nuts 542, and the water hoses 9 are arranged in a row.
The embodiment has the advantages that:
(1) The two belt-arranging trolleys are used for circulating belt-arranging innovatively, and the water belts 9 pulled up to the top of the carriage 3 by the machine head 6 are continuously arranged and arranged; therefore, the chassis 1 can run uninterruptedly, so that the tape collecting process is more convenient;
(2) The press roller shaft of the belt arranging trolley is meshed with the corresponding racks on the guide rail teeth 88 through the gear pair 841 and the tooth roller, the press roller can be driven to rotate when the trolley slides, and the belt 9 can be pulled to move when the trolley slides in cooperation with the pressing force generated by the swing arm.
Example 2
The full-automatic water hose accommodating and laying vehicle of the embodiment is basically the same as the structure of the embodiment 1, and is mainly different in that: the two types of cargo-carrying chassis in example 1 were replaced with a fixed chassis, a self-propelled chassis, a tracked chassis, a towed chassis, or a tire-type self-made chassis.
Example 3
The full-automatic water hose accommodating and laying vehicle of the embodiment is basically the same as the structure of the embodiment 1, and is mainly different in that: the telescopic plate 4 in embodiment 1 is driven by a rack-and-pinion or a screw rod instead of the telescopic plate.
Example 4
The full-automatic water hose accommodating and laying vehicle of the embodiment is basically the same as the structure of the embodiment 1, and is mainly different in that: the mode of driving the guide rail beam 5 to move transversely along the sliding rail 55 in embodiment 1 is replaced by the mode of driving a gear-rack pair by a hydraulic motor, driving a screw rod by a motor or driving a gear-rack pair by a motor.
Example 5
The full-automatic water hose accommodating and laying vehicle of the embodiment is basically the same as the structure of the embodiment 1, and is mainly different in that: the front and rear driving belt trolleys 7 and 8 in the embodiment 1 are replaced by a hydraulic motor driving gear rack pair driving mode, a motor driving sprocket chain driving mode or a motor driving gear rack pair driving mode in a mode of sliding back and forth along the guide rail beams 5.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The full-automatic water hose storage laying vehicle is characterized by comprising a chassis, a power cabin, a carriage, a telescopic plate, a guide rail beam, a machine head, a front belt arranging trolley and a rear belt arranging trolley; the chassis is provided with a power cabin and a carriage, and a guide rail beam is arranged above the carriage; the guide rail beam is arranged along the extending direction of the vehicle body and is connected with the carriage through a transversely arranged sliding rail and a first driving device for driving the guide rail beam to transversely move along the sliding rail, a machine head is arranged in the middle of the guide rail beam, and a telescopic plate is arranged in the front end of the guide rail beam; a guide rail beam between the machine head and the expansion plate is also provided with a front belt trolley, and a rear belt trolley is arranged on the guide rail beam at the rear of the machine head; the front belt arranging trolley and the rear belt arranging trolley slide back and forth along the guide rail beam under the drive of the second driving device;
the machine head comprises a machine head frame, an inner plate, a synchronous belt, a first compression roller assembly, a second compression roller assembly, a synchronous belt driving assembly and an outer plate arranged on the outer side of the inner plate; the machine head frame is positioned at the innermost end, inner plates are arranged on two sides of the machine head frame, a first synchronous belt roller and a second synchronous belt roller are arranged between the two inner plates, the first synchronous belt roller is positioned at the front end of the machine head, the second synchronous belt roller is positioned at the rear end of the machine head, and synchronous belts are wound on the first synchronous belt roller and the second synchronous belt roller; the first compression roller assembly is arranged between the inner plate and the outer plate and is connected with the inner plate and the outer plate in a hinged manner; the second compression roller assembly is arranged between the inner plate and the outer plate behind the first compression roller assembly and is also connected with the inner plate and the outer plate in a hinged mode; the first press roll assembly specifically comprises a first press roll and first swing arms arranged at two ends of the first press roll, one end of each first swing arm is hinged to the inner plate and the outer plate, and the other end of each first swing arm is hinged to the first hydraulic cylinder; the second press roll assembly specifically comprises a second press roll and second swing arms arranged at two ends of the second press roll, one end of each second swing arm is hinged to an inner plate and an outer plate behind the corresponding first swing arm, and the other end of each second swing arm is hinged to a second hydraulic cylinder; the synchronous belt driving assembly comprises a machine head hydraulic motor, a front chain wheel, a rear chain wheel, a first chain and a second chain; the machine head hydraulic motor is arranged on the inner plate, and the tail end of the machine head hydraulic motor is connected with the front chain wheel through a first chain; the front chain wheel is coaxially arranged with the first synchronous belt roller, and the other end of the front chain wheel is connected with the rear chain wheel through a second chain; the rear chain wheel and the second synchronous belt roller are coaxially arranged, a supporting chain wheel is arranged on a second chain between the rear chain wheel and the front chain wheel, and the supporting chain wheel is meshed with the second chain; the machine head hydraulic motor drives the front chain wheel and the rear chain wheel to rotate through the first chain and the second chain, drives the first synchronous belt roller and the second synchronous belt roller to rotate, and further drives the synchronous belt to rotate;
the second driving device drives the front belt arranging trolley and the rear belt arranging trolley to slide back and forth along the guide rail beam, and is driven by a hydraulic motor driving sprocket chain, a hydraulic motor driving gear rack pair, a motor driving sprocket chain or a motor driving gear rack pair;
when the second driving device drives the front belt arranging trolley and the rear belt arranging trolley to slide in a mode that the hydraulic motor drives the chain wheel and the chain to drive, the concrete structure is as follows:
the rear belt-sorting trolley specifically comprises a trolley body, a third hydraulic cylinder, a third swing arm, a trolley press roller, a first tooth roller and a second tooth roller, wherein the third hydraulic cylinder, the third swing arm, the trolley press roller and the roller are arranged on the trolley body; the two third swing arms are respectively arranged at two side ends of the trolley body, the fixed shafts of the third swing arms are hinged to the trolley body, and one ends of the third swing arms are respectively connected with a third hydraulic cylinder; the trolley compression roller is specifically arranged on the trolley body behind the third swing arm, and the tail end of one side shaft of the trolley compression roller is connected with the first tooth roller through a gear pair; the rollers are specifically arranged at the rearmost end of the trolley body, and two ends of each roller are fixed with the trolley body; the first tooth roller and the second tooth roller are both arranged on the trolley body and meshed with guide rail teeth which are additionally arranged, and the guide rail teeth are specifically guide rail teeth which are arranged on the inner side of the guide rail beam and are arranged in parallel with the guide rail beam; in addition, a roller is further arranged at one side end, far away from the guide rail teeth, of the trolley body, and the roller is in sliding fit with a guide rail on the corresponding guide rail beam; the structure of the front belt trolley is symmetrical to that of the rear belt trolley;
a third chain is further arranged at the inner end of the guide rail, which is close to one side of the guide rail teeth, on the guide rail beam; the third chain is matched with a chain wheel on the trolley body and driven by a chain hydraulic motor; the front belt trolley and the rear belt trolley synchronously move under the traction of the third chain, the movable range of the front belt trolley is limited at the front half part of the carriage, and the movable range of the rear belt trolley is limited at the rear half part of the carriage; the two trolleys circularly and reciprocally drag the water belt, and the water belt is stored in the carriage.
2. The fully automatic hose storage laying vehicle of claim 1, wherein the chassis is specifically a fixed chassis, a self-propelled chassis, a tracked chassis, a towed chassis, a tire-type self-made chassis, or a two-class cargo chassis.
3. The fully automatic hose storage laying vehicle according to claim 1, wherein the expansion plate is installed inside the guide rail beam, and is extended and retracted by a third driving device connected to the expansion plate, and a drum is installed at the front end of the expansion plate.
4. The fully automatic water hose storage laying vehicle according to claim 3, wherein the third driving device drives the expansion plate to stretch and retract, and specifically adopts hydraulic cylinder push-pull, gear rack pair driving or screw rod driving.
5. The fully automatic water hose storage laying vehicle according to claim 1, wherein the first driving device drives the guide rail beam to move transversely along the sliding rail, specifically adopts a hydraulic motor to drive a screw rod driver, the hydraulic motor to drive a gear rack pair driver, the motor to drive a screw rod driver or the motor to drive a gear rack pair driver.
6. The fully automatic hose storage laying vehicle according to claim 5, wherein when the first driving device drives the guide rail beam to move by driving the screw rod by using the hydraulic motor, the specific structure is as follows:
the guide rail beam specifically comprises two opposite C-shaped section guide rails, and is connected into a whole through a front profile plate, a rear profile plate and a connecting beam; the guide rail comprises a front guide rail and a rear guide rail, the guide screw comprises a first guide screw and a second guide screw, the front guide rail and the first guide screw are arranged at the front part of the guide rail beam, and the rear guide rail and the second guide screw are arranged at the rear part of the guide rail beam;
the front profile plate is arranged at the forefront end of the guide rail beam, and a hydraulic cylinder for the expansion plate is arranged on the front profile plate; the rear profile plate is arranged on a guide rail beam between the machine head and the front profile plate, a first sliding block and a first nut are arranged on the rear profile plate, the first sliding block is in sliding fit with the front sliding rail, and the first nut is meshed with the first screw rod; the connecting beam is arranged at the rearmost end of the guide rail beam, a second sliding block and a second nut are arranged on the connecting beam, the second sliding block is in sliding fit with the rear sliding rail, and the second nut is meshed with the second screw rod; the first screw rod and the second screw rod are driven by the cooperation of the first gear reversing box, the second gear reversing box, the transmission rod and the screw rod hydraulic motor; and the guide rail beam slides left and right along the front sliding rail and the rear sliding rail under the driving of the rotation of the screw rod hydraulic motor.
7. The fully automatic hose storage laying vehicle of claim 1, wherein a plurality of support rollers are further provided between the two inner plates.
8. The fully automatic hose storage laying truck of claim 1, wherein the machine head further comprises a photoelectric sensor, the photoelectric sensor controlling the first hydraulic cylinder and the second hydraulic cylinder; when the water band joint passes, the photoelectric sensor gives out a signal, the first hydraulic cylinder is controlled, the first swing arm is driven to be opened to enable the joint to pass, then the first swing arm falls down to clamp the water band, the second swing arm is opened to enable the water band joint to pass, and then the second swing arm falls down to clamp the water band.
9. The fully automatic hose storage laying vehicle of any one of claims 1-8, further comprising a power system; the power system specifically comprises a power supply system, a hydraulic system and a power takeoff; the input end of the power takeoff is connected with the original vehicle engine, and the output end of the power takeoff is connected with the input end of the hydraulic system; and the output end of the hydraulic system is respectively connected with each hydraulic cylinder and the driving motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590951.3A CN109464768B (en) | 2018-12-25 | 2018-12-25 | Full-automatic hosepipe is accomodate and is laid car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590951.3A CN109464768B (en) | 2018-12-25 | 2018-12-25 | Full-automatic hosepipe is accomodate and is laid car |
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| Publication Number | Publication Date |
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| CN109464768A CN109464768A (en) | 2019-03-15 |
| CN109464768B true CN109464768B (en) | 2023-10-31 |
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| CN110467044A (en) * | 2019-08-06 | 2019-11-19 | 广东永强奥林宝国际消防汽车有限公司 | It is a kind of can automatic arranging water band vehicle-mounted removable reason band trolley |
| CN110467043A (en) * | 2019-08-06 | 2019-11-19 | 广东永强奥林宝国际消防汽车有限公司 | A kind of vehicle-mounted water band automatic winding and clearing system |
| CN111517177B (en) * | 2020-05-20 | 2021-10-29 | 上海华兴数字科技有限公司 | Water hose winding control method and device and fire fighting truck |
| CN113713298A (en) * | 2021-07-28 | 2021-11-30 | 烟台杰瑞石油装备技术有限公司 | Equipment with water hose collecting function and control method thereof |
| CN116253273B (en) * | 2023-05-16 | 2023-12-15 | 福建华南重工机械制造有限公司 | Fork truck with hosepipe receive and releases function |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201361392Y (en) * | 2009-03-12 | 2009-12-16 | 张建明 | Fire hose withdrawing mechanism |
| CN103785126A (en) * | 2014-01-13 | 2014-05-14 | 苏州市捷达消防车辆装备有限公司 | Fire truck with function of automatically winding and unwinding belt |
| CN103818766A (en) * | 2014-02-25 | 2014-05-28 | 湖州吉昌丝绸有限公司 | Novel folding and cutting machine |
| CN204111035U (en) * | 2014-07-25 | 2015-01-21 | 桐乡市中泰纺织练染有限公司 | A kind of cloth cloth laying device |
| CN106144739A (en) * | 2016-08-27 | 2016-11-23 | 重庆瑞美服装有限公司 | Automatically the granny rag system of function is patted with edge |
| CN106267658A (en) * | 2016-09-08 | 2017-01-04 | 北京中卓时代消防装备科技有限公司 | Water band rolling and automatic arranging apparatus |
| CN206218914U (en) * | 2016-11-22 | 2017-06-06 | 上海金盾特种车辆装备有限公司 | One kind puts band machine and special vehicle in order |
| CN206334244U (en) * | 2016-12-30 | 2017-07-18 | 明光浩淼安防科技股份公司 | Automatically lay fire hose device |
| CN207286514U (en) * | 2017-06-15 | 2018-05-01 | 上海金盾特种车辆装备有限公司 | A kind of fire hose puts system in order |
| CN207361489U (en) * | 2017-09-22 | 2018-05-15 | 绍兴天洲印染有限公司 | One kind controls machine |
| CN207434709U (en) * | 2018-02-23 | 2018-06-01 | 佛山市冠康隆纺织有限公司 | A kind of cloth folds dressing mechanism |
| CN108452457A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN108452458A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN207844666U (en) * | 2017-12-28 | 2018-09-11 | 中山胜丰针梳织染整厂有限公司 | A kind of pine cloth solution Handcuffs controls that one is multi-functional to control machine |
| CN207898796U (en) * | 2017-12-27 | 2018-09-25 | 三一汽车制造有限公司 | A kind of wagon |
| CN207898792U (en) * | 2017-12-27 | 2018-09-25 | 三一汽车制造有限公司 | A kind of reason band device and wagon |
| CN208145275U (en) * | 2018-03-13 | 2018-11-27 | 北京中卓时代消防装备科技有限公司 | Full-automatic water band winds fire fighting truck |
| CN209316886U (en) * | 2018-12-25 | 2019-08-30 | 明光浩淼安防科技股份公司 | A kind of full-automatic water band storage laying truck |
-
2018
- 2018-12-25 CN CN201811590951.3A patent/CN109464768B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201361392Y (en) * | 2009-03-12 | 2009-12-16 | 张建明 | Fire hose withdrawing mechanism |
| CN103785126A (en) * | 2014-01-13 | 2014-05-14 | 苏州市捷达消防车辆装备有限公司 | Fire truck with function of automatically winding and unwinding belt |
| CN103818766A (en) * | 2014-02-25 | 2014-05-28 | 湖州吉昌丝绸有限公司 | Novel folding and cutting machine |
| CN204111035U (en) * | 2014-07-25 | 2015-01-21 | 桐乡市中泰纺织练染有限公司 | A kind of cloth cloth laying device |
| CN106144739A (en) * | 2016-08-27 | 2016-11-23 | 重庆瑞美服装有限公司 | Automatically the granny rag system of function is patted with edge |
| CN106267658A (en) * | 2016-09-08 | 2017-01-04 | 北京中卓时代消防装备科技有限公司 | Water band rolling and automatic arranging apparatus |
| CN206218914U (en) * | 2016-11-22 | 2017-06-06 | 上海金盾特种车辆装备有限公司 | One kind puts band machine and special vehicle in order |
| CN206334244U (en) * | 2016-12-30 | 2017-07-18 | 明光浩淼安防科技股份公司 | Automatically lay fire hose device |
| CN207286514U (en) * | 2017-06-15 | 2018-05-01 | 上海金盾特种车辆装备有限公司 | A kind of fire hose puts system in order |
| CN207361489U (en) * | 2017-09-22 | 2018-05-15 | 绍兴天洲印染有限公司 | One kind controls machine |
| CN108452457A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN108452458A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN207898796U (en) * | 2017-12-27 | 2018-09-25 | 三一汽车制造有限公司 | A kind of wagon |
| CN207898792U (en) * | 2017-12-27 | 2018-09-25 | 三一汽车制造有限公司 | A kind of reason band device and wagon |
| CN207844666U (en) * | 2017-12-28 | 2018-09-11 | 中山胜丰针梳织染整厂有限公司 | A kind of pine cloth solution Handcuffs controls that one is multi-functional to control machine |
| CN207434709U (en) * | 2018-02-23 | 2018-06-01 | 佛山市冠康隆纺织有限公司 | A kind of cloth folds dressing mechanism |
| CN208145275U (en) * | 2018-03-13 | 2018-11-27 | 北京中卓时代消防装备科技有限公司 | Full-automatic water band winds fire fighting truck |
| CN209316886U (en) * | 2018-12-25 | 2019-08-30 | 明光浩淼安防科技股份公司 | A kind of full-automatic water band storage laying truck |
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