CN108894265B - Quick-change device for multifunctional rescue vehicle - Google Patents
Quick-change device for multifunctional rescue vehicle Download PDFInfo
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- CN108894265B CN108894265B CN201810832137.1A CN201810832137A CN108894265B CN 108894265 B CN108894265 B CN 108894265B CN 201810832137 A CN201810832137 A CN 201810832137A CN 108894265 B CN108894265 B CN 108894265B
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- fixing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/968—Storing, handling or otherwise manipulating tools when detached from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a quick-change device of a multifunctional rescue vehicle, which comprises a tool fixing bracket, a wedge-shaped quick fixing and detaching mechanism and a tool transfer quick-change platform, wherein the wedge-shaped quick fixing and detaching mechanism is arranged on the tool fixing bracket; wedge-shaped quick fixing and detaching mechanisms are arranged on the quick conversion platform and the rotary platform of the machine tool and are used for being detachably connected with the machine tool fixing support; the tool fixing bracket can be used for fixing different operation tools on the rescue vehicle, so that the different operation tools have uniform fixing forms; the wedge-shaped quick fixing and detaching mechanism can realize quick fixing and detaching of the tool support, and has simple and practical structure and simple and quick operation; through the Y-shaped structure on the quick-change platform and the tool fixing support of the tool, the front-end operation tool with multiple rescue functions can be directly connected with the working arm on the rescue vehicle quickly and accurately.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to a quick-change device for machines and tools of a multifunctional rescue vehicle.
Background
The multifunctional rescue vehicle is mainly used for rescuing disasters such as earthquakes, debris flows, building collapse and the like, and can realize the functions of dredging ruins, dredging roads, removing obstacles, breaking walls, cutting, rescuing personnel in high-altitude dangerous buildings and the like. The multifunctional rescue vehicle is provided with double-arm functions (an excavating arm and a lifting arm) and is provided with various operation tools, and can realize various rescue engineering operations (such as excavating, grabbing, crushing, shearing, cutting and the like) through cooperative control and common operation of the double arms so as to solve the problems of single function, poor maneuverability, poor environmental adaptability and the like of the traditional engineering machinery vehicle (such as an excavator, a crane, a loader, a bulldozer and the like) during rescue. The quick change device of the operation tool is applied to the multifunctional rescue vehicle, and can realize the quick change of different operation tools on the vehicle by matching with the multifunctional arm and the quick connector so as to meet the characteristics of high maneuvering, high efficiency, multiple functions and the like of the multifunctional rescue vehicle, thereby realizing the functional requirements of the multifunctional rescue vehicle on the multi-working operation.
At present, most of multi-functional rescue equipment at home and abroad is still in a research and development trial stage, and engineering machinery equipment related to rescue in the prior art comprises multi-functional rescue vehicles, emergency rescue vehicles, rescue fire-fighting vehicles, multi-functional strong arm fire-fighting vehicles, rescue robots and the like.
Most of the multifunctional rescue equipment is provided with various operation tools, the various operation tools are directly fixed on a chassis of the equipment by using a bracket or a tightening belt, or the operation tools are specially responsible for transportation by using other vehicles, in the rescue process, the operation tools are directly placed on the ground, the operation arms are controlled, and the quick connectors are used for realizing the replacement of different operation tools, so that the operations of shearing, crushing, grabbing, cutting and the like are realized.
The existing rescue equipment of various types has the following defects of fixation, transportation and quick replacement of various operation tools:
1. the machine and tool fixing mode is complicated. The existing multifunctional rescue vehicle has the defects that the fixing mode is complicated, and the universal fixing mode cannot be realized due to the differences of the appearance and the mechanical structure of different operation tools.
2. The machine has low replacement speed, low efficiency and poor adaptability. Because when changing the operation tool, need to put the tool on ground earlier, then control the operation arm and implement the change, when meetting complicated ground environment, hardly realize the connection of quick connector and operation tool through the operation arm, directly influence the change speed of operation tool, can't realize the change of operation tool even, whole process hardly accomplishes through two people moreover, needs to occupy more personnel for multifunctional rescue car is developing the shortcoming that the inefficiency, environmental suitability are poor when rescue work.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides a quick-change device for a multifunctional rescue vehicle. Mainly solves the following technical problems:
1. solves the problem of fixing various different operation tools on the vehicle. According to the invention, through improvement of different operation tools, the support and fixation of the different operation tools can be realized by adopting the universal operation tool support, and meanwhile, the wedge-shaped rapid fixing and detaching mechanism is arranged, so that the rapid fixing and detaching of the operation tool support on a vehicle are realized.
2. The problems of low replacement speed, low efficiency and poor environmental adaptability of the working machine are solved. The invention designs a universal quick-change and transfer platform for the machines, the platform is directly mounted on a multifunctional rescue vehicle, and the front-end operation machines and working arms with multiple rescue functions are directly connected on the rescue vehicle by combining a fixing mechanism of a machine support, so that the whole machine replacement process can be realized by only two people, fewer people are occupied, and the rescue efficiency is greatly improved.
The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a quick change device of machines of multi-functional rescue car, its characterized in that: comprises a machine tool fixing bracket, a wedge-shaped rapid fixing and dismounting mechanism and a machine tool conversion rapid platform; wedge-shaped quick fixing and detaching mechanisms are arranged on the quick conversion platform and the rotary platform of the machine tool and are used for being detachably connected with the machine tool fixing support;
the wedge-shaped quick fixing and detaching mechanism is used for fixing the tool fixing bracket and the working tool together on a rescue vehicle rotating platform or a tool transfer quick platform; the quick-change platform of the machine tool is arranged on a chassis at the tail of the rescue vehicle and is used as a universal platform when each working machine tool is replaced, so that the butt joint installation of each working machine tool and the quick connector on the platform is realized.
As the preferable scheme, the implement quick change device of the multifunctional rescue vehicle is characterized in that: the top of the machine tool fixing bracket is provided with a Y-shaped clamping groove; four support columns matched with the Y-shaped clamping grooves are arranged on the operation tool, and holes for the fixing pieces to pass through are formed in the positions corresponding to the support columns and the Y-shaped clamping grooves.
Further, the bottom of the Y-shaped clamping groove is provided with a bolt hole or a bolt hole in the vertical direction, and a long round hole in the vertical direction is formed in a corresponding position on a support column of the operation tool. The working tool comprises a stone grab assembly, a breaking hammer assembly, a hydraulic shear assembly and a bucket assembly.
As the preferable scheme, the implement quick change device of the multifunctional rescue vehicle is characterized in that: the wedge-shaped rapid fixing and detaching mechanism comprises a wedge-shaped block, a fixed wedge-shaped body, a screw rod and a movable wedge-shaped body;
the wedge blocks are arranged at the front side and the rear side of the bottom of the tool fixing bracket; the fixed wedge body is fixedly connected to the rotary platform and the conversion quick-change platform of the machine tool, the fixed wedge body is matched with the wedge block on one side, and the movable wedge body is matched with the wedge block on the other side and is locked and fixed through screw movement.
Further, the wedge-shaped quick fixing and dismounting mechanism further comprises a nut plate, a nut and a guide rail strip, wherein the nut plate is fixed on the rotary platform and the machine tool conversion quick-change platform, one end of the screw rod is connected with the movable wedge body through the nut, the guide rail strip is arranged along the moving direction of the screw rod, a guide rail groove matched with the guide rail strip is formed in the movable wedge body, the screw rod can linearly move along the guide rail strip, the screw rod and the nut plate form a trapezoidal sliding spiral transmission mechanism, and the screw rod is rotated at the end part of the screw rod through a ratchet wrench to realize quick fixing and dismounting of the operation machine tool on the rotary platform and the machine tool conversion quick-change platform. Further, a flat washer and a spring washer are sequentially arranged between the movable wedge body on the screw rod and the nut in a cushioning mode.
As the preferable scheme, the implement quick change device of the multifunctional rescue vehicle is characterized in that: the quick-change platform comprises a platform base and side baffles, and a wedge-shaped quick-fixing and dismounting mechanism is arranged on the quick-change platform.
Furthermore, the platform base is directly fixed on the chassis of the rescue vehicle through bolts, and the neutral plane of the installation position of the platform base is overlapped with the neutral plane of the movement position of the working arm when the tool is replaced, so that the tool is directly replaced on the rescue vehicle.
Further, the side baffle is used for limiting the positions of the supports of the working tools with different widths on the quick-change platform in the tools, so that the tools can be ensured to have accurate positions each time when the tools are changed on the platform, and the working arm can conveniently and quickly find out the connection point of the quick connector.
The beneficial effects are that: the machine quick-change device of the multifunctional rescue vehicle has the following advantages: (1) The device can realize the fixation of different operation tools on the rescue vehicle through the tool fixing bracket, realize the uniform fixation form of the different operation tools, realize the rapid fixation and disassembly by utilizing the wedge-shaped mechanism, and has simple and practical structure; (2) Through the Y-shaped structure on the quick change platform and the tool fixing support of the tool, the quick change of various operation tools on the vehicle is realized, the tool change speed is improved, the efficiency of rescue work is improved, and the problem of poor environmental adaptability of the multifunctional rescue vehicle tool change is solved.
Drawings
FIG. 1 is a schematic diagram of a multifunctional rescue vehicle;
FIG. 2 is a schematic illustration of various work tool mounting structures;
FIG. 3 is a schematic view of the construction of a rock grab assembly;
FIG. 4 is a schematic illustration of a work tool support mounting structure;
FIG. 5 is an enlarged schematic view of FIG. 4 at A;
FIG. 6 is a schematic diagram of a conversion platform structure of the implement;
fig. 7 is a schematic diagram of a quick change implement configuration.
In the figure: 1-chassis, 2-excavating arm, 3-rotating platform, 4-control room, 5-lifting arm, 6-working tool warehouse, 7-tool conversion quick-change platform, 8-stone grabber component, 9-breaking hammer component, 10-hydraulic shear component, 11-bucket component, 12-stone grabber, 13-support column, 14-tool fixing bracket, 15-hexagonal flange face bolt, 16-wedge, 17-fixed wedge, 18-screw, 19-nut plate, 20-movable wedge, 21-plain washer, 22-spring washer, 23-nut, 24-guide rail bar, 25-platform base, 26-side baffle, 27-quick connector.
Detailed Description
The invention will be further described with reference to specific examples.
As shown in fig. 1 and fig. 2, the device is a quick-change device for a multifunctional rescue vehicle, and can realize the quick-change of different operation tools directly on the rescue vehicle by matching with the operation arm and the quick connector, so that the replacement speed of the operation tools is improved, and the working efficiency and the environment adaptability of the rescue vehicle are improved.
The utility model provides a quick change device of machines of multi-functional rescue car, includes three parts of general machines fixed bolster, wedge quick fixation and detaching mechanism, quick platform of machines conversion.
Wedge-shaped quick fixing and detaching mechanisms are arranged on the quick conversion platform and the rotary platform of the machine tool and are used for being detachably connected with the machine tool fixing support; the tool fixing bracket 14 is used for installing and fixing the operation tool, and the wedge-shaped rapid fixing and detaching mechanism is used for fixing the tool fixing bracket and the operation tool together on a rescue vehicle rotating platform or a tool transferring rapid platform; the quick-change platform of the machine tool is arranged on the chassis at the tail of the rescue vehicle and serves as a universal platform for each working machine tool when being replaced, so that the butt-joint installation of each working machine tool and the quick connector 27 on the platform is realized.
As shown in fig. 3, the top of the tool fixing support 14 is provided with a "Y" shaped clamping groove, two wedge blocks 16 are arranged on the front and rear sides of the bottom, four support columns 13 are welded on different tools, oblong holes are formed on the support columns 13, the tool grabber 12 is taken as an example for illustration, the tool grabber 12 is directly placed into the tool support 14 and locked by four hexagonal flange bolts 15, and components are formed between the different tools and the support, such as the tool grabber component 8, the breaking hammer component 9, the hydraulic shear component 10 and the bucket component 11 shown in fig. 2.
The universal implement securing bracket 14 of the present invention is used for mounting and securing a work implement. Four support columns are symmetrically welded on different operation tools, slotted holes are formed in the support columns, Y-shaped clamping grooves are formed in the tops of tool fixing supports, the support columns are provided with arc structures, the operation tools are convenient to take out and put back, and when the operation tools are installed, the four support columns are just installed in the Y-shaped clamping grooves and then are fixed through four bolts. According to different operation tools, tool fixing supports with different widths and heights are arranged according to the external structural dimensions of the tool fixing supports, the Y-shaped clamping groove structure at the top of the tool fixing supports can be universal, and meanwhile, a reasonable gap is formed between the Y-shaped clamping groove and the supporting column, so that the tool fixing supports can firmly fix the tool, and the tool can be taken out and put back conveniently.
As shown in fig. 4, 5 and 6, the wedge-shaped quick fixing and detaching mechanism is composed of a wedge block 16, a fixed wedge 17, a screw 18, a nut plate 19, a movable wedge 20, a flat washer 21, a spring washer 22, a nut 23 and a guide rail strip 24, wherein the fixed wedge 17 is welded on a quick conversion platform of the rotary platform 3/machine tool, the nut plate 19 and the guide rail strip 24 are also welded on the quick conversion platform of the rotary platform 3/machine tool through bending plates, the movable wedge 20 and the screw 18 are installed in the quick conversion platform through the flat washer 21, the spring washer 22 and the nut 23, one end of the screw 18 is connected with the movable wedge 20 through the nut 23, the guide rail strip 24 is arranged along the moving direction of the screw, a guide rail groove matched with the guide rail strip is formed in the movable wedge 20, the screw 18 and the nut plate 19 form a trapezoid sliding screw transmission mechanism, and the quick and quick detachment of the stone catcher assembly 8, the breaking hammer assembly 9, the hydraulic shear assembly 10 and the bucket assembly 11 can be realized on the rotary platform 3/machine tool through rotating the end of the screw 18 through a ratchet wrench. Wedge blocks 16 are arranged on the front side and the rear side of the bottom of the tool fixing bracket; the fixed wedge 17 is fixedly connected to the rotary platform 3 and the machine tool conversion quick-change platform, the fixed wedge 17 is matched with the wedge 16 on one side, and the movable wedge 20 is matched with the wedge 16 on the other side and is locked and fixed through screw movement; further, a flat washer 21 and a spring washer 22 are sequentially interposed between the movable wedge 20 and the nut 23 on the screw 18.
The quick-change platform in the machines and tools comprises a platform base 25 and side baffles 26, wedge-shaped quick-fixing and detaching mechanisms are arranged on the quick-change platform in the machines and tools, a fixed wedge body 17 is welded on the platform base 25, a nut plate 19 and a guide rail strip 24 are also welded on the platform base 25 through a bending plate, the side baffles 26 are arranged for machine and tool components with different widths, and position determination of the machines and tools to be changed each time on the quick-change platform in the machines and tools is guaranteed.
The invention relates to a wedge-shaped quick fixing and detaching mechanism, which comprises a fixed wedge body, a wedge block welded on a machine tool bracket, a movable wedge body, a guide rail strip, a screw rod, a nut plate, a gasket and a nut, wherein the fixed wedge body is fixed on the machine tool bracket; the screw and the nut plate form a trapezoid sliding spiral transmission mechanism with a self-locking function; the end part of the screw rod is provided with an external hexagonal structure, and the screw rod can rapidly rotate through a ratchet wrench; the nut plate and the guide rail strip are directly welded to the tool support mounting base body through the bending plate; the movable wedge body, the screw rod, the gasket and the nut form a part, the movable wedge body can linearly move along the direction of the guide rail strip by pushing and rotating the screw rod until the wedge block, the fixed wedge body and the movable wedge body on the tool support are completely wedged, and then the complete fixation of the tool support can be realized.
The machine tool conversion quick-change platform comprises a platform base, the wedge-shaped quick-fixing and dismounting mechanism and the side baffle plate; the platform base is directly fixed on the chassis of the rescue vehicle through bolts, and the neutral plane of the installation position of the platform base is overlapped with the neutral plane of the movement position of the working arm when the tool is replaced, so that the tool is directly replaced on the rescue vehicle; the side baffles are used for limiting the positions of the supports of the working tools with different widths on the tool conversion quick-speed platform, so that the tools have accurate positions each time the tools are replaced on the platform, and the working arm can quickly and accurately find out the connection point of the quick connector; the wedge-shaped quick fixing and detaching mechanism is also used for realizing quick fixing and detaching of the tool support on the quick-change platform in the tool, so that the tool support can be firmly fixed on the quick-change platform when the tool is replaced, and the tool support can be quickly detached and placed back to the original position after the replacement is completed.
In the invention, (1) the form of threaded connection can be replaced by other forms between the working tool and the tool fixing bracket so as to realize the fixation of the working tool on the bracket, such as taper pin connection;
(2) The wedge-shaped fixing structure can be replaced by other forms between the tool fixing support and the rotary platform, so that the fixing and the dismounting of the working tool support on the rotary system can be realized, for example, in a threaded connection mode.
The tool fixing support is used for fixing different operation tools, and then the tool fixing support and the tools are fixed on a rescue vehicle rotating platform together through the wedge-shaped rapid fixing and detaching mechanism; the quick-change platform is directly fixed on the chassis of the rescue vehicle, when the machine is replaced, the machine to be replaced and the first fixed support of the machine are lifted onto the quick-change platform through the lifting arm, then the position of the excavating arm is adjusted, the state of the quick connector on the excavating arm is controlled, the connection of the working machine and the quick connector is carried out, and the installation of the working machine can be completed. When changing among different machines, the machines on the working arm are required to be put back to the original position, and then a new working machine is replaced by means of the machine middle-conversion quick-conversion platform. The tool changing process according to the present invention will be further described with reference to the following detailed description and the accompanying drawings. The examples are intended to illustrate the invention and are not intended to limit the invention in any way.
As shown in fig. 7, the work implement replacement process of the present invention is as follows: firstly, by controlling the lifting arm 5, the tool assembly to be replaced is lifted to a tool conversion quick-speed platform, the tool can be placed at the central position each time by means of the side baffle 26, after the position of the tool is aligned, the screw 18 is rotated to fix the tool support, and the hexagonal flange face bolt 15 for fixing the tool is removed; secondly, the operator controls the rotary platform 3 to rotate to a proper position in the control room 4, the position condition of tool replacement is met (the position is 180 degrees between the excavating arm and the driving direction of the rescue vehicle, namely, the position shown in fig. 7), the excavating arm 2 is controlled in the control room 4 until the quick connector 27 on the excavating arm 2 is connected with the working tool, and then the tool support is lifted back to the rotary platform 3, so that tool replacement can be completed. If the working tool in use is to be replaced, the working tool on the excavating arm 2 needs to be replaced on the rotary platform 3, and then a new working tool is replaced according to the same method, so that rescue work can be carried out.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (8)
1. The utility model provides a quick change device of machines of multi-functional rescue car, its characterized in that: comprises a machine tool fixing bracket, a wedge-shaped rapid fixing and dismounting mechanism and a machine tool conversion rapid platform; wedge-shaped quick fixing and detaching mechanisms are arranged on the quick conversion platform and the rotary platform of the machine tool and are used for being detachably connected with the machine tool fixing support;
the wedge-shaped quick fixing and detaching mechanism is used for fixing the tool fixing bracket and the working tool together on a rescue vehicle rotating platform or a tool transfer quick platform; the quick-change platform of the machine tool is arranged on a chassis at the tail of the rescue vehicle and is used as a universal platform when each working machine tool is replaced, so that the butt joint installation of each working machine tool and the quick connector on the platform is realized;
the wedge-shaped rapid fixing and detaching mechanism comprises a wedge-shaped block, a fixed wedge-shaped body, a screw rod and a movable wedge-shaped body;
the wedge blocks are arranged at the front side and the rear side of the bottom of the tool fixing bracket; the fixed wedge body is fixedly connected to the rotary platform and the conversion quick-change platform of the machine tool, the fixed wedge body is matched with the wedge block on one side, and the movable wedge body is matched with the wedge block on the other side and is locked and fixed through screw movement;
the wedge-shaped quick fixing and dismounting mechanism further comprises a nut plate, a nut and guide bars, wherein the nut plate is fixed on the rotary platform and the machine tool conversion quick-change platform, one end of the screw is connected with the movable wedge body through the nut, the guide bars are arranged along the moving direction of the screw, guide grooves matched with the guide bars are formed in the movable wedge body, the screw can linearly move along the guide bars, the screw and the nut plate form a trapezoidal sliding spiral transmission mechanism, and the screw is rotated at the end of the screw through a ratchet wrench to realize quick fixing and dismounting of the operation machine tool on the rotary platform and the machine tool conversion quick-change platform.
2. The quick-change device for the multifunctional rescue vehicle according to claim 1, wherein: the top of the machine tool fixing bracket is provided with a Y-shaped clamping groove; four support columns matched with the Y-shaped clamping grooves are arranged on the operation tool, and holes for the fixing pieces to pass through are formed in the positions corresponding to the support columns and the Y-shaped clamping grooves.
3. The quick-change device for the multifunctional rescue vehicle according to claim 2, wherein: the bottom of the Y-shaped clamping groove is provided with a bolt hole or a bolt hole in the vertical direction, and a slotted hole in the vertical direction is formed in a corresponding position on a support column of the operation tool.
4. The quick-change device for the multifunctional rescue vehicle according to claim 1, wherein: the working tool comprises a stone grab assembly, a breaking hammer assembly, a hydraulic shear assembly and a bucket assembly.
5. The quick-change device for the multifunctional rescue vehicle according to claim 1, wherein: the screw rod is provided with a nut, a wedge body and a nut, and the nut is connected with the screw rod through a nut.
6. The quick-change device for the multifunctional rescue vehicle according to claim 1, wherein: the quick-change platform comprises a platform base and side baffles, and a wedge-shaped quick-fixing and dismounting mechanism is arranged on the quick-change platform.
7. The quick change device for equipment of a multifunctional rescue vehicle according to claim 6, wherein: the platform base is directly fixed on the chassis of the rescue vehicle through bolts, and the neutral plane of the installation position of the platform base is overlapped with the neutral plane of the movement position of the working arm when the tool is replaced, so that the tool is directly replaced on the rescue vehicle.
8. The quick change device for equipment of a multifunctional rescue vehicle according to claim 6, wherein: the side baffle is used for limiting the positions of the supports of the working tools with different widths on the quick-change platform in the tools, so that the tools can be ensured to have accurate positions each time when the tools are changed on the platform, and the working arm can quickly and accurately find out the connection point of the quick connector.
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| CN201810832137.1A CN108894265B (en) | 2018-07-26 | 2018-07-26 | Quick-change device for multifunctional rescue vehicle |
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| CN201810832137.1A CN108894265B (en) | 2018-07-26 | 2018-07-26 | Quick-change device for multifunctional rescue vehicle |
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| CN109467013A (en) * | 2018-12-29 | 2019-03-15 | 航天重型工程装备有限公司 | A kind of snatch vehicle |
| CN111021458B (en) * | 2019-12-04 | 2022-03-15 | 徐工集团工程机械有限公司 | Intelligent control system and method for arm support type emergency rescue vehicle |
| CN110863524B (en) * | 2019-12-25 | 2024-03-29 | 江苏徐工工程机械研究院有限公司 | Quick-change tool bracket for engineering vehicle |
| CN114932569B (en) * | 2022-06-07 | 2023-03-10 | 北京科技大学 | Quick change device for automatic switching of unmanned operation implementation tools |
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| CN201800642U (en) * | 2010-07-28 | 2011-04-20 | 阜新永生解放专用汽车制造有限公司 | Connecting structure for connecting universal truck with various machines and tools |
| CN103193166A (en) * | 2013-04-15 | 2013-07-10 | 徐州昊意工程机械科技有限公司 | Arm breaking and dismounting mechanism assembly of lorry-mounted crane |
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| CN103726518A (en) * | 2014-01-10 | 2014-04-16 | 徐工集团工程机械股份有限公司道路机械分公司 | Multifunctional all-terrain walking type hydraulic excavator |
| CN106988372A (en) * | 2017-05-05 | 2017-07-28 | 山东临工工程机械有限公司 | Novel wheel-type loading machine fast replacing device |
| CN207003520U (en) * | 2017-06-13 | 2018-02-13 | 徐州巴特工程机械股份有限公司 | A kind of quick-replaceable quartering hammer support |
| CN107381458A (en) * | 2017-08-29 | 2017-11-24 | 徐工集团工程机械有限公司 | Rescue rescues people's car |
| CN208748730U (en) * | 2018-07-26 | 2019-04-16 | 徐工集团工程机械有限公司 | A kind of equipment fast replacing device of Multifunctional rescue vehicle |
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