Crank arm type corbel mechanism of flat plate type wrecker

Abstract

The utility model relates to the technical field of crank arm type corbel mechanisms, in particular to a crank arm type corbel mechanism of a flat plate type wrecker, which improves the use flexibility by adjusting the length of a hydraulic telescopic arm and the inclination angle of a fixed sleeve, and improves the use convenience of vehicles with different widths by adjusting the distance between two groups of fixed sleeves. Comprising a mounting base and a first connecting piece, the top end of the first connecting piece is connected with the bottom end of the mounting base, and the mounting base is mounted on a vehicle body; the device further comprises an adjusting device, a supporting device, a hydraulic telescopic arm, two sets of fixing sleeves and two sets of through holes, the fixed end of the hydraulic telescopic arm is rotationally installed on the outer side wall of the first connecting piece, the adjusting device is arranged at the movable end of the hydraulic telescopic arm, the two sets of fixing sleeves are both installed on the adjusting device, and the adjusting device is used for movably adjusting the two sets of fixing sleeves. The two sets of through holes are formed in the two sets of fixing sleeves correspondingly, and a supporting device is arranged on the mounting base and used for supporting the hydraulic telescopic arm to swing and rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of curved arm type supporting arm mechanism, in particular to a curved arm type supporting arm mechanism of flat plate type wrecker. BACKGROUND

[0002] The wrecker is widely applied to many fields such as city traffic management, emergency rescue, construction site and municipal engineering, logistics industry as a kind of multifunctional special transport tool, and flat plate wrecker as a main type of wrecker can realize the lossless transport of accident vehicle, and improves work efficiency.

[0003] At present, in the curved arm type supporting arm mechanism of existing wrecker, such as the patent with authorized announcement number CN222329553U, the utility model discloses a curved arm type supporting arm mechanism of flat plate type wrecker, including the supporting arm that is hingedly connected with the bottom side of wrecker girder and swings up and down and the oil cylinder that is hingedly connected between the tail end of girder and supporting arm, the supporting arm is bent upwards to the section of girder that it is hingedly connected.

[0004] But the mechanism finds that the adjusting flexibility of the mechanism is poor in use, and different width vehicles are inconvenient to use, and the convenience of use is reduced. UTILITY MODEL CONTENTS

[0005] To solve the above technical problem, the utility model provides a curved arm type supporting arm mechanism of flat plate type wrecker, which adjusts the length of hydraulic telescopic arm and the inclination angle of fixing sleeve, improves the use flexibility, adjusts the spacing between two groups of fixing sleeves, and improves the convenience of use of different width vehicles.

[0006] The utility model discloses a kind of curved arm type supporting arm mechanism of flat plate type wrecker, including mounting seat and first connecting piece, first connecting piece top and mounting seat bottom end are connected, and mounting seat is installed on vehicle main body;Further include adjusting device, supporting device, hydraulic telescopic arm, two groups of fixed sleeve and two groups of through-hole, the fixed end of hydraulic telescopic arm is rotatably installed on the outer side wall of first connecting piece, adjusting device is set on the moving end of hydraulic telescopic arm, two groups of fixed sleeve are all installed on adjusting device, adjusting device is used to adjust the movement of two groups of fixed sleeve, two groups of through-hole are respectively arranged on two groups of fixed sleeve, supporting device is provided on mounting seat, and supporting device is used to support hydraulic telescopic arm swing rotation;Mounting seat is installed on wrecker main body, and hydraulic telescopic arm is swung downward by supporting device, so that hydraulic telescopic arm drives two groups of fixed sleeve to move downward, adjusting device is adjusted to the inclination angle of two groups of fixed sleeve simultaneously, so as to facilitate that the two front wheels of vehicle respectively enter two groups of through-hole inside, then hydraulic telescopic arm is swung upward by supporting device, so that hydraulic telescopic arm lifts vehicle front, the length of hydraulic telescopic arm and the inclination angle of fixed sleeve are adjusted, improve the use flexibility of mechanism, and the spacing between two groups of fixed sleeve is adjusted, improve the convenience of use of different width vehicles.

[0007] Preferably, the adjusting device includes a second connecting piece, a cylinder, two groups of cross arms, two groups of first hydraulic cylinders, a second hydraulic cylinder, and a connecting shaft. The second connecting piece is swingably installed on the moving end of the hydraulic telescopic arm. The cylinder is horizontally rotatably installed on the second connecting piece via the connecting shaft. The two groups of cross arms are slidably installed on two parts of the cylinder, respectively. The two groups of fixed sleeves are installed on the end parts of the two groups of cross arms, respectively. The fixed ends of the two groups of first hydraulic cylinders are installed on the outer side wall of the cylinder. The moving ends of the two groups of first hydraulic cylinders are connected to the outer side walls of the two groups of cross arms, respectively. The fixed end of the second hydraulic cylinder is rotatably installed on the moving end of the hydraulic telescopic arm. The moving end of the second hydraulic cylinder is rotatably connected to the second connecting piece. The second hydraulic cylinder is adjusted by extension and retraction, so as to support the second connecting piece to swing up and down, thereby improving the convenience of adjusting the inclination angle of the two groups of fixed sleeves. The two groups of first hydraulic cylinders are adjusted by extension and retraction, so as to drive the two groups of cross arms to slide, thereby improving the convenience of adjusting the spacing between the two groups of fixed sleeves. The connecting shaft is provided, thereby improving the convenience of adjusting the steering of the vehicle when the wrecker is steering.

[0008] Preferably, the supporting device comprises a frame body, a third hydraulic cylinder and a supporting wheel, the frame body is rotatably installed on the outer side wall of the mounting seat, the hydraulic telescopic arm passes through the inside of the frame body, the fixed end of the third hydraulic cylinder is rotatably installed on the outer side wall of the mounting seat, the moving end of the third hydraulic cylinder is rotatably connected with the outer side wall of the frame body, the supporting wheel is rotatably installed on the inner side wall of the frame body, and the upper portion of the supporting wheel is in contact with the bottom of the hydraulic telescopic arm; the bottom of the hydraulic telescopic arm is supported by the supporting wheel, when the frame body is swung and rotated by the third hydraulic cylinder, the hydraulic telescopic arm is swung and rotated by the frame body, so that the swinging adjustment convenience of the hydraulic telescopic arm is improved.

[0009] Preferably, a plurality of groups of fixing members and a plurality of groups of bolts are further included, the plurality of groups of fixing members are all installed on the outer side wall of the mounting seat, and the plurality of groups of bolts respectively pass through the plurality of groups of fixing members; the plurality of groups of bolts pass through the plurality of groups of fixing members and are screwed on the wrecker main body, so that the installation and fixing convenience of the mounting seat is improved.

[0010] Preferably, a sliding groove is further included and arranged on the outer side wall of the mounting seat; the sliding groove is slidably installed on the wrecker main body, so that the installation and positioning convenience of the mounting seat is improved.

[0011] Preferably, an inclined surface is further included and arranged on the outer side wall of the two groups of fixing sleeves; the inclined surface is arranged, so that the convenience of moving the vehicle into the two groups of through holes is improved.

[0012] Preferably, mounting holes are arranged on the outer side wall of the two groups of fixing sleeves; the mounting holes are arranged, so that the wheel fixing assembly is conveniently installed on the two groups of fixing sleeves, and the firmness of fixing the front wheels of the vehicle is improved.

[0013] Compared with the prior art, the mounting seat is installed on the wrecker main body, the hydraulic telescopic arm is swung downward and adjusted by the supporting device, the two groups of fixing sleeves are moved downward by the hydraulic telescopic arm, the inclination angle of the two groups of fixing sleeves is adjusted by the adjusting device, so that the two front wheels of the vehicle are conveniently entered into the two groups of through holes, then the hydraulic telescopic arm is swung upward by the supporting device, the front part of the vehicle is lifted by the hydraulic telescopic arm, the length of the hydraulic telescopic arm and the inclination angle of the fixing sleeve are adjusted, the use flexibility of the mechanism is improved, the spacing between the two groups of fixing sleeves is adjusted, and the convenience of using the vehicle with different widths is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structure schematic view of the utility model;

[0015] Figure 2 is the axonometric structure schematic view of the connection of the mounting seat and the sliding groove;

[0016] Figure 3 is the axonometric local structure schematic view of the connection of the mounting seat and the first connecting piece;

[0017] Figure 4 is the frame and support wheel and so on connects the axon measurement local structure schematic drawing;

[0018] Figure 5 is the cylinder and cross arm and so on connects the axon measurement local structure schematic drawing.

[0019] In the drawing, mark: 1, mounting seat; 2, first connecting piece; 3, hydraulic telescopic arm; 4, fixed sleeve; 5, through hole; 6, second connecting piece; 7, cylinder; 8, cross arm; 9, first hydraulic cylinder; 10, second hydraulic cylinder; 11, connecting shaft; 12, frame; 13, third hydraulic cylinder; 14, support wheel; 15, fixing piece; 16, bolt; 17, sliding groove; 18, inclined surface. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Embodiment 1

[0021] As shown in Figures 1 to 5 , the curved arm type supporting arm mechanism of the flat plate type wrecker of the present application comprises a mounting seat 1 and a first connecting piece 2, the top end of the first connecting piece 2 is connected with the bottom end of the mounting seat 1, and the mounting seat 1 is installed on the vehicle body; further comprising an adjusting device, a supporting device, a hydraulic telescopic arm 3, two groups of fixed sleeves 4 and two groups of through holes 5, the fixed end of the hydraulic telescopic arm 3 is rotatably installed on the outer side wall of the first connecting piece 2, the moving end of the hydraulic telescopic arm 3 is provided with the adjusting device, the two groups of fixed sleeves 4 are both installed on the adjusting device, the adjusting device is used for moving adjustment of the two groups of fixed sleeves 4, the two groups of through holes 5 are respectively arranged on the two groups of fixed sleeves 4, and the mounting seat 1 is provided with the supporting device, and the supporting device is used for supporting the swing rotation of the hydraulic telescopic arm 3;

[0022] As shown in Figure 1 , the adjusting device comprises a second connecting piece 6, a cylinder 7, two groups of cross arms 8, two groups of first hydraulic cylinders 9, a second hydraulic cylinder 10 and a connecting shaft 11, the second connecting piece 6 is swingably and rotatably installed on the moving end of the hydraulic telescopic arm 3, the cylinder 7 is horizontally rotatably installed on the second connecting piece 6 through the connecting shaft 11, the two groups of cross arms 8 are respectively slidably installed on two parts of the cylinder 7, the two groups of fixed sleeves 4 are respectively installed on the end portions of the two groups of cross arms 8, the fixed ends of the two groups of first hydraulic cylinders 9 are both installed on the outer side wall of the cylinder 7, the moving ends of the two groups of first hydraulic cylinders 9 are respectively connected with the outer side walls of the two groups of cross arms 8, the fixed end of the second hydraulic cylinder 10 is rotatably installed on the moving end of the hydraulic telescopic arm 3, and the moving end of the second hydraulic cylinder 10 is rotatably connected with the second connecting piece 6;

[0023] In this embodiment, the mounting base 1 is installed on the main body of the wrecker vehicle. The hydraulic telescopic arm 3 is swung downwards by the support device, causing the hydraulic telescopic arm 3 to move the two sets of fixing sleeves 4 downwards. At the same time, the tilt angle of the two sets of fixing sleeves 4 is adjusted by the adjustment device, so that the two front wheels of the vehicle can enter the two sets of through holes 5 respectively. Then, the hydraulic telescopic arm 3 is swung upwards by the support device, so that the hydraulic telescopic arm 3 lifts the front of the vehicle. By adjusting the length of the hydraulic telescopic arm 3 and the tilt angle of the fixing sleeves 4, the flexibility of the mechanism is improved. By adjusting the distance between the two sets of fixing sleeves 4, the convenience of using vehicles of different widths is improved. Example 2

[0024] Based on Example 1, such as Figure 4 As shown, the present invention discloses a curved boom support mechanism for a flatbed tow truck. The support device includes a frame 12, a third hydraulic cylinder 13, and a support wheel 14. The upper part of the frame 12 is rotatably mounted on the outer wall of the mounting base 1. The hydraulic telescopic arm 3 passes through the interior of the frame 12. The fixed end of the third hydraulic cylinder 13 is rotatably mounted on the outer wall of the mounting base 1. The moving end of the third hydraulic cylinder 13 is rotatably connected to the outer wall of the frame 12. The support wheel 14 is rotatably mounted on the inner wall of the frame 12. The upper part of the support wheel 14 contacts the bottom of the hydraulic telescopic arm 3.

[0025] like Figure 4 As shown, it also includes multiple sets of fasteners 15 and multiple sets of bolts 16. The multiple sets of fasteners 15 are all installed on the outer wall of the mounting base 1, and the multiple sets of bolts 16 pass through the multiple sets of fasteners 15 respectively.

[0026] like Figure 2 As shown, it also includes a slide groove 17, which is disposed on the outer wall of the mounting base 1;

[0027] like Figure 2 As shown, it also includes a ramp 18, which is disposed on the outer wall of the two sets of fixing sleeves 4;

[0028] like Figure 1 As shown, mounting holes are provided on the outer side walls of the two sets of fixing sleeves 4;

[0029] In the embodiment, the second hydraulic cylinder 10 is adjusted in extension and retraction to support the second connecting piece 6 to swing and rotate up and down, to improve the convenience of adjusting the inclination angle of the two sets of fixing sleeves 4, the first hydraulic cylinders 9 are controlled to adjust in extension and retraction to drive the two sets of cross arms 8 to slide, to improve the convenience of adjusting the distance between the two sets of fixing sleeves 4, the connecting shaft 11 is arranged to improve the convenience of adjusting the steering of the towing vehicle when the wrecker is steering, the hydraulic telescopic arm 3 is supported at the bottom by the supporting wheel 14, when the third hydraulic cylinder 13 drives the frame 12 to swing and rotate, the hydraulic telescopic arm 3 is supported by the frame 12 to swing and rotate, thereby improving the convenience of adjusting the swing of the hydraulic telescopic arm 3.

[0030] The curved arm type supporting arm mechanism of the flat plate type wrecker of the utility model, when working, installs the mounting seat 1 on the wrecker main body, drives the hydraulic telescopic arm 3 to swing and adjust downwards through the supporting device, drives the two sets of fixing sleeves 4 to move downwards by the hydraulic telescopic arm 3, and simultaneously adjusts the inclination angle of the two sets of fixing sleeves 4 through the adjusting device, so that the two front wheels of the vehicle can enter the two sets of through holes 5 respectively, and then drives the hydraulic telescopic arm 3 to swing upwards through the supporting device, and the hydraulic telescopic arm 3 lifts the front part of the vehicle.

[0031] The hydraulic telescopic arm 3, the first hydraulic cylinder 9, the second hydraulic cylinder 10 and the third hydraulic cylinder 13 of the curved arm type supporting arm mechanism of the flat plate type wrecker of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0032] The above is only the preferred embodiment of the utility model, and it should be pointed out that for the ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A curved arm type boom mechanism of a flatbed wrecker, comprising a mounting base (1) and a first connecting member (2), the top end of the first connecting member (2) being connected to the bottom end of the mounting base (1), the mounting base (1) being mounted on a vehicle body; characterized in that, The adjusting device, the supporting device, the hydraulic telescopic arm (3), the two groups of fixing sleeves (4) and the two groups of through holes (5) are further included.

2. A knuckle-type boom mechanism for a flatbed wrecker as set forth in claim 1, wherein, The adjusting device includes the second connecting piece (6), the barrel (7), the two groups of cross arms (8), the two groups of first hydraulic cylinders (9), the second hydraulic cylinder (10) and the connecting shaft (11), the second connecting piece (6) is swingingly and rotatably installed on the moving end of the hydraulic telescopic arm (3), the barrel (7) is horizontally rotatably installed on the second connecting piece (6) through the connecting shaft (11), the two groups of cross arms (8) are slidably installed at two parts of the barrel (7) respectively, the two groups of fixing sleeves (4) are installed at the end parts of the two groups of cross arms (8) respectively, the fixed ends of the two groups of first hydraulic cylinders (9) are installed on the outer side wall of the barrel (7), the moving ends of the two groups of first hydraulic cylinders (9) are connected with the outer side walls of the two groups of cross arms (8) respectively, the fixed end of the second hydraulic cylinder (10) is rotatably installed on the moving end of the hydraulic telescopic arm (3), and the moving end of the second hydraulic cylinder (10) is rotatably connected with the second connecting piece (6).

3. A knuckle-type boom mechanism for a flatbed wrecker as set forth in claim 1, wherein, The supporting device includes the frame (12), the third hydraulic cylinder (13) and the supporting wheel (14), the upper part of the frame (12) is rotatably installed on the outer side wall of the mounting seat (1), the hydraulic telescopic arm (3) passes through the inside of the frame (12), the fixed end of the third hydraulic cylinder (13) is rotatably installed on the outer side wall of the mounting seat (1), the moving end of the third hydraulic cylinder (13) is rotatably connected with the outer side wall of the frame (12), the supporting wheel (14) is rotatably installed on the inner side wall of the frame (12), and the upper part of the supporting wheel (14) is in contact with the bottom of the hydraulic telescopic arm (3).

4. The knuckle-toe arm mechanism of a flatbed recovery vehicle according to claim 1, wherein A plurality of fixing members (15) and a plurality of bolts (16) are further included.

5. A knuckle-type boom mechanism for a flatbed wrecker as set forth in claim 1, wherein, A sliding groove (17) is further included and arranged on the outer side wall of the mounting seat (1).

6. A knuckle-type boom mechanism for a flatbed wrecker as set forth in claim 1, wherein, An inclined surface (18) is further included and arranged on the outer side wall of the two groups of fixing sleeves (4).

7. A knuckle-type boom mechanism for a flatbed wrecker as set forth in claim 1, wherein, Mounting holes are arranged on the outer side walls of the two groups of fixing sleeves (4).

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