Extra-heavy vehicle traction rescue vehicle

Abstract

The invention provides an extra-heavy vehicle traction rescue vehicle, which belongs to the technical field of rescue and breakdown vehicles, and comprises a chassis and three auxiliary support devices, three mounting grooves are formed in the chassis, and the three auxiliary supporting devices are mounted in the three mounting grooves correspondingly; the auxiliary supporting device comprises a mounting seat, a plurality of bearing block bodies, a supporting plate, a first linear driving mechanism, a pulling mechanism and a first jacking mechanism; the mounting base is mounted in the mounting groove, the multiple bearing block bodies are slidably connected to the mounting base, and the first linear driving mechanism is connected with the bearing block bodies; a rotating body and a driver are arranged on the bearing block body, the supporting plate is rotationally connected with the rotating body, and the pulling mechanism is connected with the supporting plate; the first jacking mechanism is provided with a hinged movable jacking plate. According to the rescue vehicle for dragging the extra-heavy vehicle, the movable top plate is supported on the base arm more firmly and stably, so that it is guaranteed that the base arm is more stable when bearing large counter-acting force, the situation that the base arm is damaged and topples over is avoided, and potential safety hazards are eliminated.

Description

Technical Field

[0001] The invention belongs to the technical field of rescue and repair vehicles, and more specifically, relates to an ultra-heavy vehicle towing rescue vehicle. Background Art

[0002] Towing rescue vehicles are mainly used for battlefield rescue such as towing, towing, traction, and rescue of trapped personnel, as well as battlefield repair tasks such as welding and cutting. When the vehicle is driving on unpaved roads, such as gravel roads, mountain roads, and mud roads, the wheels are prone to sink into the ground. At this time, the winch on the rescue vehicle is needed to pull the rescued vehicle out of the sunken area. During the rescue, due to the complex situation on the scene, the base arm of the towing device rotates on the chassis to make the towing arm face the rescued vehicle. Since the rescued vehicle has a large mass and is obstructed by mud, the towing device is subjected to a large reaction force when rescuing the rescued vehicle, resulting in poor stability of the base arm on the towing device, which is prone to damage or tipping, posing certain safety hazards. Summary of the invention

[0003] The purpose of the present invention is to provide an ultra-heavy vehicle towing rescue vehicle to solve the technical problem in the prior art that the towing device is subjected to a large reaction force during the rescue process, resulting in poor stability of the base arm and easy damage or tipping, which poses certain safety hazards.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: to provide an ultra-heavy vehicle towing and rescue vehicle, comprising a chassis and three auxiliary support devices installed on the chassis and used to support the towing device; the chassis is provided with three mounting grooves located below the towing device and respectively located on both sides and the rear end of the chassis, and the three mounting grooves are arranged along the length direction or the width direction of the chassis; the three auxiliary support devices are respectively installed in the three mounting grooves; the auxiliary support device comprises a mounting seat, a plurality of bearing blocks, a support plate, a first linear drive mechanism, a pulling mechanism and a first jacking mechanism; the mounting seat is installed in the mounting groove; a plurality of the bearing blocks are slidably connected to the mounting seat and are arranged at intervals along the length direction of the mounting seat. , the two adjacent bearing blocks are detachably connected, and the free end of the first linear drive mechanism is connected to one of the bearing blocks; the bearing block is provided with a rotatably connected rotating body and a driver connected to the rotating body, and the support plate is located above the bearing block and is rotatably connected to the rotating body; the pulling mechanism is installed on the side of the rotating body away from the outer side of the chassis and is located below the support plate, and the free end of the pulling mechanism is connected to the support plate for driving the support plate to rotate; the first jacking mechanism is installed on one end of the support plate away from the pulling mechanism, and the free end of the first jacking mechanism is provided with a hinged movable top plate, and the movable top plate is used to act on the base arm of the supporting device from bottom to top.

[0005] In a possible implementation, the mounting seat has a receiving groove arranged along the length direction, the bearing block and the first linear drive mechanism are installed in the receiving groove, and the bearing block is slidably connected to the receiving groove; a rotating cavity is provided inside the bearing block, and an avoidance opening connected to the rotating cavity is opened at the upper end; the rotating body is installed in the rotating cavity, and a rotating shaft rotatably connected to the bearing block is provided at both ends, the driver is installed on the outer surface of the bearing block, and is transmission-connected to one of the rotating shafts for driving the rotating body to rotate; a mounting frame extending upward through the avoidance opening is provided on the rotating body, and the support plate is rotatably connected to the mounting frame.

[0006] In a possible implementation, the mounting frame has two vertical plates arranged at intervals, the support plate is installed between the two vertical plates, and connecting shafts rotatably connected to the two vertical plates are respectively provided on both sides of the support plate; the pulling mechanism is installed on the mounting frame and is located between the two vertical plates; the pulling mechanism is arranged obliquely, and the upper and lower ends are respectively hinged to the support plate and the mounting frame.

[0007] In a possible implementation, the spacing between the two vertical plates away from each other on the side surfaces is less than or equal to the width of the mounting groove; the mounting frame also includes a base and a rotating disk installed on the base, and the two vertical plates are fixed on the rotating disk; a horizontal plate is also provided between the two vertical plates, and the horizontal plate is located above the rotating disk; the pulling mechanism is installed on the horizontal plate; the mounting seat has the freedom to move up and down along the depth direction of the mounting groove, and a second lifting mechanism for controlling the mounting seat to rise or fall is provided in the mounting groove.

[0008] In a possible implementation, a receiving groove is provided at the upper end of the side where two adjacent bearing blocks are close to each other, and a first connecting hole is opened on the bottom surface of the receiving groove; a long connecting plate and a plurality of fasteners are provided between the two adjacent bearing blocks, and second connecting holes are provided at both ends of the long connecting plate. The two ends of the long connecting plate are respectively installed in the corresponding two receiving grooves, and the second connecting hole is aligned with the first connecting hole. The fastener is passed through the second connecting hole and the first connecting hole for detachable connection of the two bearing blocks.

[0009] In one possible implementation, upwardly extending protrusions are provided on both sides of the supporting block, the receiving grooves are opened on the protrusions, and the depth of the receiving grooves is greater than the sum of the thickness of the long connecting plate and the thickness of the fastener protruding above the long connecting plate.

[0010] In a possible implementation, the three installation grooves are connected to form a U-shaped groove, a plurality of reinforcing ribs are provided in the installation groove, and the plurality of reinforcing ribs are arranged at intervals along the length direction of the U-shaped groove.

[0011] In a possible implementation, a pressure sensor is provided on the movable top plate; a control system is also provided on the chassis, and the first linear drive mechanism, the pulling mechanism, the first lifting mechanism, the driver and the pressure sensor are all electrically connected to the control system.

[0012] In a possible implementation, the movable top plate is provided with a first mounting hole and a locking connector, and second mounting holes corresponding to the first mounting holes are provided on both sides of the lower end surface of the base arm of the supporting device, and the movable top plate and the base arm are fixedly connected by a locking connector passing through the first mounting hole and the second mounting hole.

[0013] In a possible implementation, an inwardly recessed push-pull groove is provided on one end surface of the support plate away from the pulling mechanism, and a sliding groove connected to the push-pull groove is provided on the upper end surface; a slidingly connected extension plate and a second linear drive mechanism connected to the extension plate are provided in the push-pull groove; and the first lifting mechanism is installed on the extension plate.

[0014] The beneficial effects of the super-heavy vehicle towing and rescue vehicle provided by the present invention are as follows: compared with the prior art, the super-heavy vehicle towing and rescue vehicle of the present invention, when working, controls the base arm on the towing mechanism to rotate according to the position of the rescued vehicle relative to the towing and rescue vehicle, so that the towing arm is aligned with the rescued vehicle; then starts one or two first linear drive mechanisms at the corresponding position, so that the bearing block moves dispersedly in the installation groove, so that the positions of multiple bearing blocks correspond more accurately to the rescued vehicle; starts the driver to rotate the rotating body inside the bearing block, so that the support plate and the first lifting mechanism approach the outside of the chassis and deviate downward, and then starts the pulling mechanism to swing the support plate upward and tilt upward, and the first lifting mechanism is arranged from the outside to the inside and tilted toward the lower end face of the base arm; starts the first lifting mechanism to drive the movable top plate to act on the base arm, and the movable top plate itself rotates and accurately docks with the lower end face of the base arm; finally, the steel wire rope on the winch is passed through the fixed pulley group and fixedly connected to the rescued vehicle. With the help of the rotation of the rotating body, the support plate is rotated downward to increase the distance between the support plate and the base arm, and then the support plate is swung with the help of the pulling mechanism to make the first lifting mechanism form a state from outside to inside so that the support plate has good bearing performance, so that the movable top plate is more firmly and stably supported on the base arm to ensure that the base arm is more stable when subjected to a large reaction force, thereby avoiding damage and tipping, and eliminating safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A schematic diagram of the result of an ultra-heavy vehicle towing a rescue vehicle provided by an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of a supporting device provided by an embodiment of the present invention;

[0018] Figure 3 A front view of an auxiliary support device provided by an embodiment of the present invention;

[0019] Figure 4 A top view of an auxiliary support device provided by an embodiment of the present invention;

[0020] Figure 5 A cross-sectional view of an auxiliary support device provided by an embodiment of the present invention;

[0021] Figure 6A schematic diagram of the connection between the mounting seat and the bearing block provided in an embodiment of the present invention;

[0022] Figure 7 A schematic diagram of the connection between the rotating body, the mounting frame and the supporting plate provided in an embodiment of the present invention;

[0023] Figure 8 A schematic diagram of the connection between two bearing blocks provided in an embodiment of the present invention;

[0024] Fig. 9 A schematic diagram of the structure of a movable top plate provided in an embodiment of the present invention;

[0025] Fig.10 A schematic diagram of the internal structure of an extension plate provided in an embodiment of the present invention;

[0026] Fig.11 A schematic diagram of the connection between the mounting base and the chassis provided in an embodiment of the present invention.

[0027] Among them, the reference numerals in the figure are:

[0028] 1. chassis; 11. auxiliary support device; 12. mounting slot; 13. second lifting mechanism;

[0029] 2. Mounting seat; 21. Accommodating groove; 22. Long connecting plate; 23. Fastener; 24. Protruding portion;

[0030] 3. Bearing block; 31. Rotating body; 311. Rotating cavity; 312. Avoidance opening; 313. Rotating shaft; 32. Driver; 33. Mounting frame; 34. Vertical plate; 35. Connecting shaft; 36. Base; 37. Rotating disk; 38. Horizontal plate; 39. Accommodating groove;

[0031] 4. Support plate; 41. Push-pull slot; 42. Slide slot; 43. Extension plate; 44. Second linear drive mechanism;

[0032] 5. A first linear drive mechanism;

[0033] 6. Pulling mechanism;

[0034] 7. First lifting mechanism; 71. Active top plate; 72. Pressure sensor; 73. First mounting hole; 74. Locking connector;

[0035] 8. Supporting device; 81. Base arm; 82. Supporting arm; 83. Fixed pulley block;

[0036] 9. Winch. DETAILED DESCRIPTION

[0037] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0038] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0039] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] See also Figures 1 to 8, the super-heavy vehicle towing and rescue vehicle provided by the present invention is now described. A super-heavy vehicle towing and rescue vehicle comprises a chassis 1 and three auxiliary support devices 11 installed on the chassis 1 and used to support a towing device 8; the chassis 1 is provided with three mounting grooves 12 located below the towing device 8 and respectively located on both sides and the rear end of the chassis 1, and the three mounting grooves 12 are arranged along the length direction or the width direction of the chassis 1; the three auxiliary support devices 11 are respectively installed in the three mounting grooves 12; the auxiliary support device 11 comprises a mounting seat 2, a plurality of bearing blocks 3, a support plate 4, a first linear drive mechanism 5, a pulling mechanism 6 and a first lifting mechanism 7; the mounting seat 2 is installed in the mounting groove 12; the plurality of bearing blocks 3 are slidably connected to the mounting seat 2, and are arranged at intervals along the length direction of the mounting seat 2, and two adjacent ones are arranged at intervals. The bearing blocks 3 are detachably connected, and the free end of the first linear drive mechanism 5 is connected to a bearing block 3; the bearing block 3 is provided with a rotatably connected rotating body 31 and a driver 32 connected to the rotating body 31, and the support plate 4 is located above the bearing block 3 and is rotatably connected to the rotating body 31; the pulling mechanism 6 is installed on the side of the rotating body 31 away from the outer side of the chassis 1, and is located below the support plate 4, and the free end of the pulling mechanism 6 is connected to the support plate 4 for driving the support plate 4 to rotate; the first jacking mechanism 7 is installed on one end of the support plate 4 away from the pulling mechanism 6, and the free end of the first jacking mechanism 7 is provided with a hinged movable top plate 71, and the movable top plate 71 is used to act on the base arm 81 of the supporting device 8 from bottom to top.

[0042] Compared with the prior art, the super-heavy vehicle towing rescue vehicle provided by the present invention is operable to control the base arm 81 on the towing mechanism to rotate according to the position of the rescued vehicle relative to the towing rescue vehicle, so that the towing arm 82 is aligned with the rescued vehicle; then one or two first linear drive mechanisms 5 at the corresponding position are started, so that the bearing block 3 moves dispersedly in the installation groove 12, so that the positions of the multiple bearing blocks 3 correspond more accurately to the rescued vehicle; the driver 32 is started to rotate the rotating body 31 inside the bearing block 3, so that the support plate 4 and the first lifting mechanism 7 are close to the outside of the chassis 1 and deviate downward, and then the pulling mechanism 6 is started to swing the support plate 4 upward and tilt upward, and the first lifting mechanism 7 is arranged from the outside to the inside and tilted toward the lower end surface of the base arm 81; the first lifting mechanism 7 is started to drive the movable top plate 71 to act on the base arm 81, and the movable top plate 71 itself rotates and accurately docks with the lower end surface of the base arm 81; finally, the steel wire rope on the winch 9 is passed through the fixed pulley block 83 and fixedly connected to the rescued vehicle. By means of the rotation of the rotating body 31, the support plate 4 is rotated downward to increase the distance between the support plate 4 and the base arm 81, and then the support plate 4 is swung by means of the pulling mechanism 6 to make the first lifting mechanism 7 form an outside-to-inside state so that the support plate 4 has good load-bearing performance, so that the movable top plate 71 is more firmly and stably supported on the base arm 81, so as to ensure that the base arm 81 is more stable when subjected to a large reaction force, thereby avoiding damage and tipping, and eliminating safety hazards.

[0043] See also Figures 3 to 6As a specific embodiment of the super-heavy vehicle towing and rescue vehicle provided by the present invention, the mounting seat 2 has a receiving groove 21 arranged along the length direction, the bearing block 3 and the first linear drive mechanism 5 are installed in the receiving groove 21, and the bearing block 3 is slidably connected with the receiving groove 21; a rotating cavity 311 is provided inside the bearing block 3, and an avoidance opening 312 connected to the rotating cavity 311 is opened at the upper end; the rotating body 31 is installed in the rotating cavity 311, and a rotating shaft 313 rotatably connected to the bearing block 3 is provided at both ends, and the driver 32 is installed on the outer surface of the bearing block 3, and is transmission-connected with a rotating shaft 313 for driving the rotating body 31 to rotate; a mounting frame 33 extending upward through the avoidance opening 312 is provided on the rotating body 31, and the support plate 4 is rotatably connected to the mounting frame 33; with the help of the receiving groove 21, the bearing block 3 can move on the mounting seat 2 more accurately, and the height is also low, which will not interfere with or affect the base arm 81. The rotating body 31 is installed in the rotating cavity 311, and the rotating shafts 313 at both ends are rotatably connected to the bearing block 3; the driver 32 is connected to one of the rotating shafts 313 by a hydraulic motor, etc., so that the rotating body 31 can rotate stably. In addition, an escape opening 312 is provided at the upper end of the bearing block 3, and a mounting frame 33 is provided on the rotating body 31. The mounting frame 33 extends upward through the escape opening 312, and the support plate 4 is rotatably connected to the upper end of the mounting frame 33. When the driver 32 drives the rotating body 31 to rotate in the rotating cavity 311, the support frame is driven to rotate in the escape opening 312.

[0044] See also Figures 3 to 6 As a specific embodiment of the super-heavy vehicle towing and rescue vehicle provided by the present invention, the mounting frame 33 has two vertical plates 34 arranged at intervals, the support plate 4 is installed between the two vertical plates 34, and the two sides of the support plate 4 are respectively provided with connecting shafts 35 rotatably connected to the two vertical plates 34; the pulling mechanism 6 is installed on the mounting frame 33 and is located between the two vertical plates 34; the pulling mechanism 6 is arranged in an inclined manner, and the upper and lower ends are respectively hinged to the support plate 4 and the mounting frame 33; through holes are provided at the upper ends of the two vertical plates 34, and the connecting shafts 35 on both sides of the support plate 4 are respectively rotatably connected to the through holes, so that the support plate 4 can rotate stably and smoothly.

[0045] See also Figures 3 to 6 , Fig.11As a specific embodiment of the super-heavy vehicle towing rescue vehicle provided by the present invention, the spacing between the two vertical plates 34 and the opposite sides is less than or equal to the width of the mounting groove 12; the mounting frame 33 also includes a base 36 and a rotating disk 37 installed on the base 36, and the two vertical plates 34 are fixed on the rotating disk 37; a horizontal plate 38 is also provided between the two vertical plates 34, and the horizontal plate 38 is located above the rotating disk 37; the pulling mechanism 6 is installed on the horizontal plate 38; the mounting seat 2 has the freedom to move up and down along the depth direction of the mounting groove 12, and a second jacking mechanism 13 for controlling the mounting seat 2 to rise or fall is provided in the mounting groove 12; with the help of the rotating disk 37, the mounting frame 33, the support plate 4, etc. can be rotated on the rotating body 31, so that the position of the first jacking mechanism 7 and the movable top plate 71 can be more accurately adjusted to align with the rescued vehicle. At the same time, the mounting groove 12 is set to have a larger width. The supporting plate 4 is rotated by means of the rotating disk 37 to make the length direction of the mounting groove 12 consistent. The second lifting mechanism 13 is started to make the bearing block 3, the supporting plate 4, etc. move downward together, effectively reducing the installation height of the entire auxiliary support device 11.

[0046] See also Figures 4 to 6 , Figure 8 As a specific embodiment of the super-heavy vehicle towing rescue vehicle provided by the present invention, a receiving groove 39 is provided at the upper end of the side where two adjacent bearing blocks 3 are close to each other, and a first connecting hole is opened on the bottom surface of the groove of the receiving groove 39; a long connecting plate 22 and a plurality of fasteners 23 are provided between the two adjacent bearing blocks 3, and both ends of the long connecting plate 22 are provided with a second connecting hole, and the two ends of the long connecting plate 22 are respectively installed in the corresponding two receiving grooves 39, and the second connecting hole is aligned with the first connecting hole, and the fastener 23 is penetrated through the second connecting hole and the first connecting hole, which is used for the detachable connection of the two bearing blocks 3; when the multiple bearing blocks 3 are installed in the installation groove 12, the multiple bearing blocks 3 in the same auxiliary supporting device 11 are evenly arranged at intervals, and then the long connecting plate 22 is used to be installed between the two bearing blocks 3, and the two ends of the long connecting plate 22 are respectively installed in the corresponding two receiving grooves 39, and then the fastener 23 is used to pass through the first connecting hole and the second connecting hole, so that the two ends of the long connecting plate 22 are fixedly connected to the two bearing blocks 3. The first linear drive 32 is fixedly connected to a nearby bearing block 3 to drive the multiple bearing blocks 3 to move together in the installation slot 12, and then after the multiple bearing blocks 3 are pushed or pulled back to the accurate working position, the fasteners 23 and the long connecting plate 22 are gradually removed. The first connecting hole is set as a screw hole, and the fastener 23 is a bolt; the first connecting hole on the receiving slot 39 and the second connecting hole on the long connecting plate 22 are both multiple, and the fastener 23 is also multiple.

[0047] See also Figure 4 and Figure 5 , Figure 8As a specific embodiment of the super-heavy vehicle towing and rescue vehicle provided by the present invention, both sides of the load-bearing block 3 are provided with upwardly extending protrusions 24, and the accommodating grooves 39 are opened on the protruding portions 24, and the depth of the accommodating grooves 39 is greater than the sum of the thickness of the long connecting plate 22 and the thickness of the fastener 23 protruding above the long connecting plate 22; the protruding portions 24 can be provided to provide an accommodating groove 39 with a certain depth, so that after the long connecting plate 22 is installed in the accommodating groove 39, there is still a large space for installing the fastener 23; after the fastener 23 is inserted into the first connecting hole and the second connecting hole, the fastener 23 located in the area above the long connecting plate 22 will still not protrude outside the accommodating groove 39, and thus will not interfere with and affect the operation of other external devices.

[0048] See also Figures 3 to 5 As a specific embodiment of the super-heavy vehicle towing and rescue vehicle provided by the present invention, three installation grooves 12 are connected to form a U-shaped groove, and a plurality of reinforcing ribs are arranged in the installation groove 12, and the plurality of reinforcing ribs are arranged at intervals along the length direction of the U-shaped groove; the installation grooves 12 at the two sides and the installation groove 12 at the end are connected to form a U-shaped groove, which increases the flexibility and effective use area of ​​the installation in the three installation grooves 12, and the range of movement is also increased. At the same time, reinforcing ribs are arranged in the installation grooves 12 to ensure that the opening of multiple installation grooves 12 will not affect the strength and load-bearing performance of the chassis 1 itself.

[0049] See also Figures 3 to 5 As a specific embodiment of the super-heavy vehicle towing rescue vehicle provided by the present invention, a pressure sensor 72 is provided on the movable top plate 71; a control system is also provided on the chassis 1, and the first linear drive mechanism 5, the pulling mechanism 6, the first lifting mechanism 7, the driver 32 and the pressure sensor 72 are all electrically connected to the control system; the pressure sensor 72 can detect the supporting effect of the movable top plate 71 on the base arm 81, so as to quantify the force of the auxiliary support device 11 on the base arm 81, so as to ensure that the effect on the base arm 81 is more stable and reliable. A control system is provided, and the control system is connected with the first linear drive mechanism 5, the pulling mechanism 6, the first lifting mechanism 7, the driver 32 and the pressure sensor 72, so that the first linear drive mechanism 5, the pulling mechanism 6, the first lifting mechanism 7 and the driver 32 can be started or shut down by means of the control system. The first linear drive mechanism 5, the pulling mechanism 6 and the first lifting mechanism 7 are all provided with oil cylinders, and the driver 32 is provided with a hydraulic motor.

[0050] See also Figures 3 to 5 , Fig. 9As a specific embodiment of the super-heavy vehicle towing and rescue vehicle provided by the present invention, a first mounting hole 73 and a locking connector 74 are provided on the movable top plate 71, and second mounting holes corresponding to the first mounting holes 73 are provided on both sides of the lower end surface of the base arm 81 of the towing device 8, and the movable top plate 71 and the base arm 81 are fixedly connected by locking connectors passing through the first mounting holes 73 and the second mounting holes; when the rescued vehicle with too much mass is towed and rescued, when the movable top plate 71 on one side acts on the lower end surface of the base arm 81, the movable top plate 71 on the other side can be fixed on the lower end surface of the base arm 81 by the locking connector 74, and at the same time, the first lifting mechanism 7 at the side position is started to move downward, and a downward force is generated on the side position of the base arm 81 through the movable top plate 71 to ensure that the base arm 81 works in a balanced and stable manner.

[0051] See also Figures 3 to 6 , Fig.10 As a specific embodiment of the super-heavy vehicle towing rescue vehicle provided by the present invention, a push-pull groove 41 is provided on one end face of the support plate 4 away from the pulling mechanism 6, and a slide groove 42 connected to the push-pull groove 41 is provided on the upper end face; a sliding extension plate 43 and a second linear drive mechanism 44 connected to the extension plate 43 are provided in the push-pull groove 41; the first lifting mechanism 7 is installed on the extension plate 43; the extension plate 43 is installed in the support plate 4, and the extension plate 43 can be in the push-pull groove 41, and the second linear drive mechanism 44 is connected to the extension plate 43. The first lifting mechanism 7 is installed on the extension plate 43, and the lower end of the first lifting mechanism 7 is located in the slide groove 42. When working, the second linear drive mechanism 44 is started to manipulate the extension plate 43 to move in the push-pull groove 41, and the first lifting mechanism 7 can move with the extension plate 43 by means of the avoidance performance of the slide groove 42, so that the docking position of the first lifting mechanism 7 and the movable top plate 71 acting on the base arm 81 can be effectively changed, so that the first lifting mechanism 7 has a larger range of action, and then the movable top plate 71 acts on the base arm 81 from bottom to top, and the position is further outward, and the supporting effect is better. The second linear drive mechanism 44 can be a cylinder.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultra-heavy vehicle towing rescue vehicle, characterized in that: It comprises a chassis and three auxiliary supporting devices installed on the chassis and used for supporting the supporting device; the chassis is provided with three mounting grooves located below the supporting device and respectively located on both sides and the rear end of the chassis, and the three mounting grooves are arranged along the length direction or the width direction of the chassis; the three auxiliary supporting devices are respectively installed in the three mounting grooves; the auxiliary supporting device comprises a mounting seat, a plurality of bearing blocks, a support plate, a first linear drive mechanism, a pulling mechanism and a first lifting mechanism; the mounting seat is installed in the mounting groove; a plurality of bearing blocks are slidably connected to the mounting seat and are arranged at intervals along the length direction of the mounting seat, and two adjacent bearing blocks are detachably connected, The free end of the first linear drive mechanism is connected to one of the bearing blocks; the bearing block is provided with a rotatably connected rotating body and a driver connected to the rotating body, the support plate is located above the bearing block and is rotatably connected to the rotating body; the pulling mechanism is installed on the side of the rotating body away from the outer side of the chassis and is located below the support plate, the free end of the pulling mechanism is connected to the support plate, and is used to drive the support plate to rotate; the first jacking mechanism is installed on one end of the support plate away from the pulling mechanism, and the free end of the first jacking mechanism is provided with a hinged movable top plate, and the movable top plate is used to act on the base arm of the supporting device from bottom to top.

2. The super-heavy vehicle towing and rescue vehicle according to claim 1, characterized in that: The mounting seat has a receiving groove arranged along the length direction, the bearing block and the first linear drive mechanism are installed in the receiving groove, and the bearing block is slidably connected to the receiving groove; a rotating cavity is provided inside the bearing block, and an avoidance opening connected to the rotating cavity is opened at the upper end; the rotating body is installed in the rotating cavity, and a rotating shaft rotatably connected to the bearing block is provided at both ends; the driver is installed on the outer surface of the bearing block, and is transmission-connected to one of the rotating shafts for driving the rotating body to rotate; a mounting frame extending upward through the avoidance opening is provided on the rotating body, and the support plate is rotatably connected to the mounting frame.

3. The super-heavy vehicle towing and rescue vehicle according to claim 2, characterized in that: The mounting frame has two vertical plates arranged at intervals, the support plate is installed between the two vertical plates, and connecting shafts rotatably connected to the two vertical plates are respectively provided on both sides of the support plate; the pulling mechanism is installed on the mounting frame and located between the two vertical plates; the pulling mechanism is arranged obliquely, and the upper and lower ends are respectively hinged to the support plate and the mounting frame.

4. The super-heavy vehicle towing and rescue vehicle according to claim 3, characterized in that: The spacing between the two vertical plates away from the opposite sides is less than or equal to the width of the mounting groove; the mounting frame also includes a base and a rotating disk installed on the base, and the two vertical plates are fixed on the rotating disk; a horizontal plate is also provided between the two vertical plates, and the horizontal plate is located above the rotating disk; the pulling mechanism is installed on the horizontal plate; the mounting seat has the freedom to move up and down along the depth direction of the mounting groove, and a second lifting mechanism for controlling the mounting seat to rise or fall is provided in the mounting groove.

5. The super-heavy vehicle towing and rescue vehicle according to claim 1, characterized in that: An accommodating groove is provided at the upper end of the side where two adjacent bearing blocks are close to each other, and a first connecting hole is opened on the bottom surface of the accommodating groove; a long connecting plate and a plurality of fasteners are provided between the two adjacent bearing blocks, and second connecting holes are provided at both ends of the long connecting plate. The two ends of the long connecting plate are respectively installed in the corresponding two accommodating grooves, and the second connecting hole is aligned with the first connecting hole. The fastener is passed through the second connecting hole and the first connecting hole for detachable connection of the two bearing blocks.

6. The super-heavy vehicle towing and recovery vehicle according to claim 5, characterized in that: Both sides of the bearing block are provided with upwardly extending protrusions, the receiving grooves are opened on the protrusions, and the depth of the receiving grooves is greater than the sum of the thickness of the long connecting plate and the thickness of the fastener protruding above the long connecting plate.

7. The super-heavy vehicle towing and recovery vehicle according to claim 1, characterized in that: The three installation grooves are connected to form a U-shaped groove. A plurality of reinforcing rib plates are arranged in the installation groove, and the plurality of reinforcing rib plates are arranged at intervals along the length direction of the U-shaped groove.

8. The super-heavy vehicle towing and rescue vehicle according to claim 1, characterized in that: A pressure sensor is provided on the movable top plate; a control system is also provided on the chassis, and the first linear drive mechanism, the pulling mechanism, the first lifting mechanism, the driver and the pressure sensor are all electrically connected to the control system.

9. The super-heavy vehicle towing and recovery vehicle according to claim 8, characterized in that: The movable top plate is provided with a first mounting hole and a locking connector, and both sides of the lower end surface of the base arm of the supporting device are provided with second mounting holes corresponding to the first mounting hole, and the movable top plate and the base arm are fixedly connected by a locking connector passing through the first mounting hole and the second mounting hole.

10. The super-heavy vehicle towing and recovery vehicle according to claim 1, characterized in that: The support plate has an end face away from the pulling mechanism and is provided with an inwardly recessed push-pull groove, and an upper end face and is provided with a sliding groove connected to the push-pull groove; a slidingly connected extension plate and a second linear drive mechanism connected to the extension plate are provided in the push-pull groove; the first lifting mechanism is installed on the extension plate.

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