CN107381458B

CN107381458B - Rescue vehicle for rescuing people

Info

Publication number: CN107381458B
Application number: CN201710752952.2A
Authority: CN
Inventors: 李军; 刘玉川; 张小静
Original assignee: Jiangsu XCMG Construction Machinery Institute Co Ltd
Current assignee: Jiangsu XCMG Construction Machinery Institute Co Ltd
Priority date: 2017-08-29
Filing date: 2017-08-29
Publication date: 2023-07-04
Anticipated expiration: 2037-08-29
Also published as: CN107381458A

Abstract

The invention relates to an emergency rescue vehicle which comprises a frame chassis, a supporting arm, a rescue platform, a gripper and a quick-change device, wherein the supporting arm is arranged on the frame chassis, the quick-change device is arranged on an arm head of the supporting arm, and the rescue platform or the gripper can be optionally arranged on the arm head of the supporting arm through the quick-change device. Through set up quick change device on the arm head of support arm, quick change device can be optionally install one of rescue platform and tongs on the arm head of support arm, utilizes same support arm to realize the alternative installation of rescue platform and tongs, simple structure for rescue vehicle possesses the function of multi-functional rescue work.

Description

Rescue vehicle for rescuing people

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a rescue vehicle.

Background

In the emergency rescue occasions such as earthquake, collapse, landslide, flood and the like, high-altitude, low-altitude, remote rescue are often needed, heavy objects are lifted, trapped vehicles are pulled, road blocking branches, stone cleaning, steel bar shearing, gap expansion rescue and other complex operation working conditions are often needed, and at present, different machines are needed to carry out rescue in turn due to the outstanding problems of single function, poor interchangeability of operation tools and the like of the existing operation equipment, so that the matched mechanical equipment and a large number of people are needed, congestion confusion is easily caused, and the rescue efficiency is greatly reduced.

The prior patent CN2586614 discloses an emergency rescue vehicle, the structure of which is shown in fig. 1, the emergency rescue vehicle comprises a chassis a7 and a working device a2, the working device a2 is connected with the chassis a7 through a slewing bearing thereof, a control room a3 is connected on a turntable a4 of the working device a2, the turntable a4 is hinged with the lower end of a swing arm, the upper end of the swing arm is hinged with the rear end of a telescopic arm, the front end of a luffing cylinder is hinged with the telescopic arm, the rear end of the luffing cylinder is hinged with the swing arm, the rear end of the swing arm cylinder is hinged with the turntable a4, the front end of the swing arm is hinged with the rear end of a forearm a6, a forearm cylinder is hinged between the telescopic arm and the forearm, and the front end of the forearm a6 is hinged with a grab bucket mechanism a1. The front end of the telescopic arm is hung with a lifting hook a5. Therefore, the existing rescue vehicle only has simple grabbing and lifting functions and has a function of cleaning and destroying a building, but can not realize the rescue function of trapped personnel.

In addition, most of the existing emergency rescue operation vehicles are formed by refitting engineering machinery, and most of the existing engineering machinery chassis is a tire chassis or a crawler chassis, and the tire chassis has the advantages of high running speed on flat road surfaces, no damage to the road, and poor running or operation performance on muddy, soft and other severe road surfaces; the crawler chassis is contrary, has the defects of low running speed and certain destructive power to the road surface, and has the advantages of good running or working performance on muddy, soft and other severe roads. When natural disasters such as earthquake, collapse and debris flow occur, armed police rescue forces often need to be allocated in different places, rescue vehicles need to quickly reach the vicinity of disaster accident sites through expressways, and the pavement during site rescue is very complex, and can be not only stones falling from mountain bodies at two sides of the pavement, fragments collapsed in houses, but also soft, muddy and pavement with diving pits. In addition, when the tire chassis works on a muddy, soft and muck road surface, the tire chassis is punctured or falls into the ground.

Therefore, the tire/crawler belt can be used for rapidly exchanging the chassis, and the rescue vehicle with multiple operation functions has wide application prospect.

Disclosure of Invention

In order to overcome the technical defects, the technical problem solved by the invention is to provide the rescue vehicle, which can realize multifunctional rescue work by using a simple structure.

In order to solve the technical problems, the invention provides a rescue vehicle, which comprises a frame chassis, a support arm, a rescue platform, a gripper and a quick-change device, wherein the support arm is arranged on the frame chassis, the quick-change device is arranged on an arm head of the support arm, and the rescue platform or the gripper can be optionally arranged on the arm head of the support arm through the quick-change device.

Further, the quick-change device comprises two hooks which are reversely arranged, and the two hooks are moved or rotated to be engaged with the rescue platform or the grippers, so that the quick-change device can be selectively installed in the rescue platform and the grippers.

Further, the openings of the two hooks are oppositely arranged outwards, and the two hooks are rotated by rotating to enable the two hooks to be engaged with the rescue platform or the grippers.

Further, the rescue rescuing device further comprises a driving wheel and a triangular crawler belt, wherein the driving wheel or the triangular crawler belt can be selectively arranged on a driving shaft of the rescue rescuing people vehicle to drive the rescue rescuing people vehicle.

Further, the device also comprises a rescue platform connecting device and a leveling oil cylinder, wherein the rescue platform connecting device is used for being installed on the quick-change device, the rescue platform is hinged to the rescue platform connecting device to be installed with the quick-change device, one end of the leveling oil cylinder is hinged to the rescue platform connecting device, the other end of the leveling oil cylinder is hinged to the rescue platform, and the position of the rescue platform is leveled through the telescopic leveling oil cylinder.

Further, the folding mechanism further comprises a double-rocker folding mechanism and a folding oil cylinder, wherein the supporting arm comprises a main arm and an auxiliary arm, the auxiliary arm is hinged to the main arm, one ends of two connecting rods of the double-rocker folding mechanism are respectively hinged to the main arm and the auxiliary arm, the other ends of the two connecting rods of the double-rocker folding mechanism are both hinged to one end of the folding oil cylinder, and the other ends of the folding oil cylinder are hinged to the auxiliary arm.

Further, the hydraulic pressure quick connector is connected with the hydraulic connecting pipeline through the hydraulic pressure quick connector to supply oil to the hydraulic pressure shears and the expander.

Further, the arm head oil cylinder is used for driving the quick-change device to swing relative to the support arm, the quick-change device is hinged to the arm head of the support arm, one end of the arm head oil cylinder is hinged to the arm head, and the other end of the arm head oil cylinder is hinged to the quick-change device.

Further, the lifting hook comprises a lifting hook, a lifting rope, a lockset and a pulley block arranged on the main arm, wherein the lifting hook is connected with the pulley block through the lifting rope and the lockset, and the lifting hook is adjusted to move up and down through the pulley block.

Further, the winch is arranged at the tail part of the chassis of the frame.

Therefore, based on the technical scheme, the quick-change device is arranged on the arm head of the supporting arm, one of the rescue platform and the gripper can be selectively installed on the arm head of the supporting arm by the quick-change device, the same supporting arm is utilized to realize the selective replacement and installation of the rescue platform and the gripper, and the rescue vehicle has a simple structure, so that the rescue vehicle has the multifunctional rescue function.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of a conventional rescue vehicle;

FIG. 2 is a schematic view of an embodiment of an emergency rescue vehicle in a retracted state of a support arm;

FIG. 3 is a schematic view of a rescue platform of the rescue vehicle in the invention in a state of unfolding the support arms;

FIG. 4 is a schematic view of the rescue vehicle with the grippers mounted in the support arms in the extended state;

FIG. 5 is an enlarged partial schematic view of the rescue platform section of FIG. 3;

FIG. 6 is a schematic view of the rescue and rescue personnel vehicle in a lifted state

FIG. 7 is a schematic view of the rescue vehicle of the present invention in a state of installing a triangular crawler;

FIG. 8 is a schematic view of the rescue vehicle of the present invention with hydraulic shears and expanders installed in the support arm deployed state;

fig. 9 is a partially enlarged schematic view of the arm head of fig. 8.

Each reference numeral represents:

1. a counterweight assembly; 2. a lifting device; 3. a turntable assembly; 4. a quick change device; 5. a rescuing platform; 6. a lifting hook; 7. a lifting rope and a lockset; 8. a winch; 9. a spare tire; 10. a slewing mechanism; 11. a rotary support; 12. a grip; 13. a frame chassis; 14. a luffing cylinder; 15. a main arm base arm; 16. a main arm telescopic arm; 17. a double-rocker folding mechanism; 18. folding oil cylinder; 19. a sub-arm base arm; 20. an auxiliary arm telescopic arm; 21. arm head oil cylinder; 22. hydraulic shears; 23. a dilator; 24. a driving wheel; 25. a hydraulic connecting line; 26. a supercharging device; 27. a hydraulic quick connector; 28. a rescue platform connecting device; 29. leveling oil cylinders; 30. pulley block; 31. a landing leg oil cylinder; 32. a movable support leg; 33. a console; 34. triangular crawler belt.

Detailed Description

The technical scheme of the invention is further described in detail through the drawings and the embodiments.

The specific embodiments of the present invention are to facilitate further explanation of the concept of the present invention, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought thereby. The description of these embodiments does not limit the present invention. The technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Aiming at the defects of the prior art, the invention designs the multifunctional rescue rescuing vehicle, which mainly has the rescuing function and can also realize the operation functions of on-site cleaning, heavy object lifting, bar shearing, gap expanding, vehicle and heavy object dragging, and the like. The interchangeable chassis with the tire and the crawler can also meet the requirements of high-speed running, muddy, soft, muck and other complex road surface off-road running, has higher environmental adaptability and greatly improves rescue efficiency.

In one illustrative embodiment of the rescue and rescue vehicle of the present invention, as shown in connection with fig. 2-4, the rescue and rescue vehicle comprises a frame chassis 13, a support arm, a rescue platform 5, a gripper 12, and a quick change device 4, the support arm is mounted on the frame chassis 13, the quick change device 4 is mounted on the arm head of the support arm, and the rescue platform 5 or the gripper 12 can be selectively mounted on the arm head of the support arm through the quick change device 4. The main arm comprises a main arm basic arm 15 and a main arm telescopic arm 16, and the main arm telescopic arm 16 stretches and slides in a main arm basic arm 15 cylinder body through a main arm telescopic oil cylinder as shown in fig. 4; the auxiliary arm comprises an auxiliary arm basic arm 19 and an auxiliary arm telescopic arm 20, and the auxiliary arm telescopic arm 20 stretches and slides in the cylinder body of the auxiliary arm basic arm 19 through an auxiliary arm telescopic oil cylinder.

In the illustrative embodiment, by arranging the quick-change device 4 on the arm head of the supporting arm, one of the rescue platform 5 and the gripper 12 can be selectively installed on the arm head of the supporting arm by the quick-change device 4, the same supporting arm is utilized to realize the selective replacement and installation of the rescue platform 5 and the gripper 12, the two can be mutually switched according to the requirements of the rescue scene, and the rescue vehicle has a simple structure, so that the rescue vehicle has the multifunctional rescue function.

Preferably, the gripper 12 is a fork gripper, and has a rotation function, and is fixed on the front side of the support arm on the upper surface of the chassis 13 in a non-use state, the rescue platform 5 is a light aluminum alloy platform, and is placed under the front side of the gripper 12 and the support arm in a non-use state, and the gripper 12 and the rescue platform 5 are provided with the same connection interface, so that modularized quick connection is realized when the gripper is connected with the support arm.

As a preferred embodiment of the quick-change device, as shown in connection with fig. 2 and 9, the quick-change device 4 comprises two oppositely arranged hooks, which are moved or turned to engage with the rescue platform 5 or the grippers 12, whereby an alternative mounting of the quick-change device 4 in the rescue platform 5 and the grippers 12 is achieved. The implementation mode has the advantages of high joint stability, reliable connection, easy disassembly, rapidness, convenience and higher feasibility. Further, as shown in fig. 9, the openings of the two hooks are reversely and outwardly arranged, the two hooks are rotated to be engaged with the rescue platform 5 or the gripper 12 by rotating, the combination stability of the rotation mode is high, hydraulic oil can be used for control, when the two hooks are required to extend into the rescue platform 5 or the gripper 12, the two hooks deflect inwards to facilitate the extending, and after the two hooks extend into, the two hooks deflect outwards to be engaged with the rescue platform 5 or the gripper 12, so that the engagement stability is further improved.

In order to meet both highway driving and complex road driving requirements in rescue sites, in a modified embodiment, as shown in fig. 2 and 7, the rescue rescuing vehicle further comprises a driving wheel 24 and a triangular crawler 34, wherein the driving wheel 24 or the triangular crawler 34 can be selectively mounted on a driving shaft of the rescue rescuing vehicle to drive the rescue rescuing vehicle. The driving wheel 24 and the triangular crawler 34 can mutually switch to travel, when the rescue vehicle travels on the expressway, the expressway can be met when the rescue vehicle switches to travel on the driving wheel, when the rescue vehicle arrives near a rescue site, the rescue vehicle switches to travel on the triangular crawler 34, the pressure of the rescue vehicle contacting the road surface can be reduced, and the passing capacity of the muddy, soft and other bad road surfaces can be improved so as to travel and operate on the rescue site.

As an improvement to the above embodiment, as shown in fig. 4, the rescue vehicle further includes a rescue platform connecting device 28 and a leveling cylinder 29, the rescue platform connecting device 28 is used for being installed on the quick-change device 4, the rescue platform 5 is hinged on the rescue platform connecting device 28 to be installed with the quick-change device 4, one end of the leveling cylinder 29 is hinged with the rescue platform connecting device 28, the other end is hinged with the rescue platform 5, the position of the rescue platform 5 is leveled by extending and retracting the leveling cylinder 29, the rescue platform connecting device 28 is a quick connection interface of the rescue platform 5, and the leveling cylinder 29 can realize leveling inclination adjustment of the rescue platform under different postures, thereby improving the applicability range. Still further, the arm head oil cylinder 21 is used for driving the quick change device 4 to swing relative to the supporting arm, the quick change device 4 is hinged on the arm head of the supporting arm, one end of the arm head oil cylinder 21 is hinged with the arm head, the other end of the arm head oil cylinder 21 is hinged with the quick change device 4, and the grabbing inclination angle of the gripper 12 is adjusted through the arm head oil cylinder 21.

In order to increase the supporting height of the supporting arm, in a preferred embodiment, as shown in fig. 3 and 4, the rescue vehicle further comprises a double-rocker folding mechanism 17 and a folding cylinder 18, the supporting arm comprises a main arm and an auxiliary arm, the auxiliary arm is hinged on the main arm, one ends of two connecting rods of the double-rocker folding mechanism 17 are respectively hinged with the main arm and the auxiliary arm, the other ends are both hinged with one end of the folding cylinder 18, and the other ends of the folding cylinder 18 are hinged with the auxiliary arm. As shown in fig. 2 and 3, the arrangement of the double-rocker folding mechanism 17 can enable the folding oil cylinder 18 to conveniently drive the auxiliary arm to unfold and fold relative to the main arm, the double-rocker folding mechanism 17 is pushed by the folding oil cylinder 18 to realize the amplitude folding of the auxiliary arm within the range of 0-180 degrees, the occupied space of the auxiliary arm of the main arm is reduced, and the double-rocker folding mechanism has higher feasibility.

In order to realize the functions of bar shearing and gap expanding of the rescue vehicle, in a preferred embodiment, as shown in fig. 8 and 9, the rescue vehicle further comprises a pressurizing device 26, a hydraulic shear 22, an expander 23 and a hydraulic connecting pipeline 25, wherein the pressurizing device 26 for lifting the pressure of hydraulic oil is arranged on the arm head of the supporting arm and is provided with a hydraulic quick connector 27, so that the hydraulic connecting pipeline 25 is convenient to be quickly pulled out and plugged, and the pressurizing device 26 is connected with the hydraulic connecting pipeline 25 through the hydraulic quick connector 27 so as to supply oil to the hydraulic shear 22 and the expander 23. The hydraulic shears 22 are positioned on the upper surface of the chassis 13, the expander 23 is arranged on the front side of the hydraulic shears, and the hydraulic shears 22 and the expander 23 are connected with the hydraulic quick connecting interfaces with the same design as the supporting arms, so that the quick switching of the modularized operation tool can be met according to the requirements of the rescue scene.

In order to realize the lifting function of the rescue vehicle, in a preferred embodiment, as shown in connection with fig. 2 and 6, the rescue vehicle further comprises a lifting hook 6, a lifting rope, a lock 7 and a pulley block 30 arranged on the main arm, wherein the lifting hook 6 is connected with the pulley block 30 through the lifting rope and the lock 7, the lifting hook 6 is positioned right below the main arm and is placed behind the cab, the lifting hook 6 is supported by the lifting rope and the lock 7 during working, the lifting rope and the lock 7 are fixed on the lifting device through the pulley block 30, and the lifting hook 6 is adjusted to move up and down through the pulley block 30.

In order to realize the towing function of the rescue and rescue vehicle, in a preferred embodiment, as shown in fig. 2, the rescue and rescue vehicle further comprises a winch 8 arranged at the tail part of the frame chassis 13, the winch 8 is fixed to the tail part of the frame chassis 13 through a bolt connection, the hydraulic motor is used for providing power, and the winch 8 can realize rescue towing and self-rescue towed, so that the rescue and rescue towed have high practicability.

In the above embodiment, specifically or preferably, as shown in fig. 2 to 9, the rescue and rescue personnel vehicle further includes a counterweight assembly 1, a lifting device 2, a turntable assembly 3, a spare tire 9, a swing mechanism 10, a swing support 11, a leg cylinder 31, a movable leg 32, and a console 33. The turntable assembly 3 is positioned above the slewing bearing 11, is connected with an outer ring bolt of the slewing bearing 11, an inner ring of the slewing bearing 11 is fixed on the frame chassis 13, the outer ring of the slewing bearing 11 is externally meshed with the slewing mechanism 10 through a gear, and is driven by a hydraulic motor connected with the slewing mechanism 10, so that the slewing bearing 11 and the slewing mechanism 10 perform relative motion, the turntable assembly 3 and the supporting arm rotate together, the top of the turntable assembly 3 is hinged with the main arm basic arm 15, the head of the luffing cylinder 14 is hinged with the main arm basic arm 15, the tail of the turntable assembly 3 and the luffing cylinder 14 are hinged, and luffing motion of the supporting arm is realized by pushing the luffing cylinder 14; the lifting device 2 is fixed at the tail part of the turntable assembly 3 and drives the lifting steel wire rope to extend or shorten, so as to drive the lifting hook 6 to change in the height direction; the counterweight assembly 1 is positioned behind the hoisting device 2 and is used for balancing the working moment of the supporting arm; the console 33 is fixed on the left side of the turntable assembly 3 and rotates together with the turntable assembly 3, thereby facilitating manual operation of the manipulator.

The rescue personnel vehicle can realize multiple functions of one arm and one machine, fully meets various requirements in rescue, and has high flexibility due to the high-speed running and the rapid switching function of the working tools.

The above-described examples are provided to illustrate embodiments of the present invention in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, equivalents, and variations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. The rescue vehicle is characterized by comprising a frame chassis (13), a supporting arm, a rescue platform (5), a gripper (12), a quick-change device (4), a double-rocker folding mechanism (17) and a folding cylinder (18), wherein the supporting arm is arranged on the frame chassis (13) and comprises a main arm and an auxiliary arm, the main arm comprises a main arm basic arm (15) and a main arm telescopic arm (16), the main arm telescopic arm (16) stretches and slides in a cylinder body of the main arm basic arm (15), the auxiliary arm comprises an auxiliary arm basic arm (19) and an auxiliary arm telescopic arm (20), the auxiliary arm telescopic arm (20) stretches and slides in a cylinder body of the auxiliary arm basic arm (19), the auxiliary arm is hinged on the main arm, one ends of two connecting rods of the double-rocker folding mechanism (17) are respectively hinged with the main arm telescopic arm (16) and the auxiliary arm basic arm (19), the other ends of the two connecting rods are respectively hinged with one ends of the folding cylinder (18), the other ends of the folding cylinder (18) are respectively hinged with the auxiliary arm (18), the auxiliary arm telescopic arm (19) and the auxiliary arm telescopic arm (20) is arranged in a range of the main arm basic arm (18) and the folding mechanism (18), the double-rocker folding mechanism (4) is arranged in a range of the main arm (18), the rescue platform (5) or the gripper (12) can be optionally arranged on the arm head of the auxiliary arm of the supporting arm through the quick-change device (4), and the gripper (12) and the rescue platform (5) are fixed on the upper surface of the frame chassis (13) in a non-use state.

2. Rescue car as claimed in claim 1, characterized in that the quick change device (4) comprises two oppositely arranged hooks which are moved or rotated to engage with the rescue platform (5) or the grippers (12), whereby a selectable mounting of the quick change device (4) in the rescue platform (5) and the grippers (12) is achieved.

3. Rescue rescuing vehicle according to claim 2, characterized in that the openings of the two hooks are arranged outwards in opposite directions, which are turned by turning the two hooks to engage with the rescuing platform (5) or the grippers (12).

4. The rescue rescuer truck of claim 1 further comprising a drive wheel (24) and a triangular track (34), the drive wheel (24) or the triangular track (34) being selectively mountable on a drive shaft of the rescue rescuer truck to drive the rescue rescuer truck.

5. Rescue car as claimed in claim 1, further comprising a rescue platform connection device (28) and a leveling cylinder (29), wherein the rescue platform connection device (28) is used for being installed on the quick change device (4), the rescue platform (5) is hinged on the rescue platform connection device (28) to be installed with the quick change device (4), one end of the leveling cylinder (29) is hinged with the rescue platform connection device (28), the other end of the leveling cylinder is hinged with the rescue platform (5), and the leveling cylinder (29) is telescopic to achieve position leveling of the rescue platform (5).

6. Rescue vehicle as claimed in claim 1, characterized by further comprising a supercharging device (26), a hydraulic shear (22), an expander (23) and a hydraulic connection line (25), the supercharging device (26) being arranged on the arm head of the support arm and having a hydraulic quick connector (27), the supercharging device (26) being connected with the hydraulic connection line (25) via the hydraulic quick connector (27) for supplying oil to the hydraulic shear (22) and the expander (23).

7. Rescue personnel cart as claimed in claim 1, further comprising an arm head cylinder (21) for driving the quick-change device (4) to swing relative to the support arm, wherein the quick-change device (4) is hinged on the arm head of the support arm, one end of the arm head cylinder (21) is hinged on the arm head, and the other end is hinged on the quick-change device (4).

8. Rescue personnel car as claimed in claim 1, further comprising a lifting hook (6), a lifting rope and a lock (7) and a pulley block (30) arranged on the main arm, wherein the lifting hook (6) is connected with the pulley block (30) through the lifting rope and the lock (7), and the lifting hook (6) is adjusted to move up and down through the pulley block (30).

9. Rescue rescuing personnel vehicle according to claim 1, characterized by further comprising a winch (8) arranged at the tail of the chassis (13) of the frame.