Novel inclined-falling integrated wrecker mechanism
By adopting the double secondary beam structure and the composite movement of the main cylinder and chain and the pulley mechanism, the problem of limited load-bearing capacity of the existing inclined integrated wrecking vehicle mechanism is solved, and efficient flat sliding and the satisfaction of various business needs is achieved.
Patent Information
- Application Number
- CN202422063048.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The load-bearing capacity of the existing inclined integrated wrecking vehicle mechanism is limited and cannot meet various business needs, especially vehicles with low chassis cannot be transported on the plate.
The double auxiliary beam structure is adopted and the composite movement of the main oil cylinder and chain are combined with the pulley mechanism, so that the sliding distance of the flat plate is twice that of the main oil cylinder, which improves the load-bearing capacity of the inclined flat plate and the sliding distance of the flat plate.
The load-bearing capacity of the inclined flat plate is improved, and the 3-5° low-angle upper plate capacity of the fully floored flat plate is achieved, meeting a variety of business needs, including vehicle upper plate transportation with low chassis.
Smart Images
Figure CN222875867U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tow trucks, in particular to a novel oblique-fall integrated tow truck mechanism. Background Art
[0002] The existing flat plate mechanism of the oblique drop integrated tow truck mechanism has the following problems:
[0003] 1) The distance that the inclined flatbed slides backward is limited. When the tail of the flatbed lands on the ground, the angle between it and the ground is 7-8°, which is a large angle. Many workshops with low chassis cannot transport the flatbed.
[0004] 2) The floor-standing flatbed adopts a hook-arm structure, and the flatbed loading capacity is limited, and the maximum load capacity is half of the inclined flatbed;
[0005] 3) When the customer's business is complex, it is impossible to achieve dual-purpose use of one vehicle. Utility Model Content
[0006] In view of the defects existing in the prior art, the purpose of the utility model is to provide a new type of oblique integrated tow truck mechanism, which adopts a double sub-beam structure, which can not only realize the sliding of the internal short beam and the flat plate slider, but also meet the load-bearing requirements of the inclined flat plate; at the same time, the main cylinder and the chain cooperate with the pulley mechanism to achieve the composite movement of the flat plate, which is twice the telescopic stroke of the main cylinder.
[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is: a new type of oblique drop integrated tow truck mechanism, including an external long sub-beam and a flat plate mechanism arranged on the chassis, and also including an internal short sub-beam, a main oil cylinder, a chain sliding-in device and a chain sliding-out device; the internal short sub-beam is arranged in the external long sub-beam, and the flat plate mechanism is slidingly arranged on the internal short sub-beam; the two ends of the main oil cylinder are respectively connected to the external long sub-beam and the internal short sub-beam, so as to drive the internal short sub-beam to slide; the chain sliding-out device is used to drive the flat plate mechanism to slide out, and includes a first fixed pulley and a first chain, The first fixed pulley is fixedly arranged at a position of the internal short sub-beam near the rear end, one end of the first chain is fixedly connected to the external long sub-beam through a first joint, and the other end of the first chain is connected to the flat plate mechanism through the first joint after passing around the first fixed pulley; the chain sliding-in device is used to drive the flat plate mechanism to slide in, and includes a second fixed pulley and a second chain, the second fixed pulley is fixedly arranged at the front end of the internal short sub-beam, one end of the second chain is fixedly connected to the external long sub-beam through a second joint, and the other end of the second chain is connected to the flat plate mechanism through the second joint after passing around the second fixed pulley.
[0008] A further improvement is that the chain sliding-in device and the chain sliding-out device move synchronously, and the lengths of the first chain and the second chain are the same.
[0009] A further improvement is that a lifting cylinder for lifting the external long auxiliary beam is arranged on the chassis.
[0010] A further improvement is that the external long sub-beam includes two first longitudinal beams arranged opposite to each other, and the inner side surfaces of the two first longitudinal beams are provided with inner rails; the internal short sub-beam includes two second longitudinal beams arranged opposite to each other, and the second longitudinal beams are slidably arranged on the corresponding inner rails.
[0011] Further improvements are: a first connecting beam is connected to the two first longitudinal beams near the front end, and a first connecting seat for mounting the master cylinder body is provided on the first connecting beam; a second connecting plate is connected to the rear end of the two second longitudinal beams, and a second connecting plate is provided on the second connecting plate for connecting the master cylinder piston rod.
[0012] Further improvements are: the two first longitudinal beams are connected to a second connecting beam near the front end, and the second connecting beam is provided with a first interface for connecting the first joint; the two second longitudinal beams are connected to a third connecting plate near the rear end, and the first fixed pulley is installed on the third connecting plate.
[0013] Further improvements are: a third connecting beam is connected to the two first longitudinal beams near the rear end, and a second interface for connecting the second joint is provided on the third connecting beam; the front ends of the two second longitudinal beams are connected to a first connecting plate, and the second fixed pulley is installed on the first connecting plate.
[0014] A further improvement is that an outer track is arranged on the outer side surface of the first longitudinal beam, and a sliding block matched with the outer track is arranged on the bottom of the flat plate mechanism.
[0015] A further improvement is that a first guide wheel is arranged at the front end of the bottom of the flat plate mechanism, and a second guide wheel is arranged in the middle of the bottom of the flat plate mechanism.
[0016] A further improvement is that a flippable tail plate is provided at the rear end of the flat plate mechanism.
[0017] The beneficial effects of the utility model are:
[0018] The utility model adopts a double auxiliary beam structure, which can not only realize the sliding of the internal short beam and the flat plate slider, but also meet the load-bearing requirements of the inclined flat plate; at the same time, the main oil cylinder and the chain cooperate with the pulley mechanism to achieve the composite movement of the flat plate, which is twice the telescopic stroke of the main oil cylinder.
[0019] The utility model improves the bearing capacity of the inclined flat plate, realizes the 3-5° low-angle boarding capacity of the full floor-standing flat plate, and realizes the functions of the two structures of the inclined flat plate and the full floor-standing flat plate through a set of mechanisms. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1It is a structural schematic diagram of a novel oblique-fall integrated tow truck mechanism in an embodiment of the utility model;
[0021] Figure 2 for Figure 1 Schematic diagram of the structure after the middle plate mechanism is fully extended;
[0022] Figure 3 This is a working principle diagram of a novel oblique-fall integrated tow truck mechanism in an embodiment of the utility model;
[0023] Figure 4 for Figure 3 A top view of
[0024] Figure 5 This is a schematic diagram of the structure of the external long auxiliary beam in the embodiment of the utility model;
[0025] Figure 6 for Figure 5 A top view of
[0026] Figure 7 This is a schematic diagram of the structure of the first connecting beam in an embodiment of the utility model;
[0027] Figure 8 This is a schematic diagram of the structure of the internal short auxiliary beam in the embodiment of the utility model;
[0028] Fig. 9 for Figure 8 A top view of
[0029] Fig.10 This is a structural schematic diagram of the flat plate mechanism in the embodiment of the utility model;
[0030] Fig.11 for Fig.10 A top view of
[0031] Fig.12 for Fig.10 Left view of
[0032] Fig.13 It is a structural schematic diagram of the chain slide-out device in the embodiment of the utility model;
[0033] Fig.14 This is a schematic diagram of the structure of the first joint in the embodiment of the utility model;
[0034] Fig.15 This is a working principle diagram of the chain slide-out device in the embodiment of the utility model;
[0035] Fig.16 It is a structural schematic diagram of the chain sliding device in the embodiment of the utility model;
[0036] Fig.17This is a schematic diagram of the structure of the second joint in the embodiment of the utility model;
[0037] Fig.18 This is a working principle diagram of the chain sliding device in the embodiment of the utility model.
[0038] Reference numerals:
[0039] 1-chassis; 11-lifting cylinder;
[0040] 2-external long secondary beam; 21-first longitudinal beam; 22-first connecting beam; 23-first connecting seat; 24-second connecting beam; 25-first interface; 26-third connecting beam; 27-second interface; 28-inner rail; 29-outer rail;
[0041] 3-internal short secondary beam; 31-second longitudinal beam; 32-first connecting plate; 33-second connecting plate; 34-third connecting plate; 35-second connecting seat;
[0042] 4-plate mechanism; 41-first guide wheel; 42-second guide wheel; 43-slider;
[0043] 5-Master cylinder;
[0044] 6-chain slide-out device; 61-first fixed pulley; 62-first chain; 63-first joint;
[0045] 7-chain sliding device; 71-second fixed pulley; 72-second chain; 73-second joint. DETAILED DESCRIPTION
[0046] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.
[0047] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating 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 operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.
[0048] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.
[0049] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0050] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.
[0051] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.
[0052] See also Figure 1 to Figure 4 As shown, the embodiment of the utility model provides a new type of oblique drop integrated tow truck mechanism, including an external long sub-beam 2 and a flat plate mechanism 4 arranged on a chassis 1, and also including an internal short sub-beam 3, a main oil cylinder 5, a chain sliding device 7 and a chain sliding device 6; the internal short sub-beam 3 is arranged in the external long sub-beam 2, and the flat plate mechanism 4 is slidably arranged on the internal short sub-beam 3; the two ends of the main oil cylinder 5 are respectively connected to the external long sub-beam 2 and the internal short sub-beam 3, and are used to drive the internal short sub-beam 3 to slide. Specifically, a lifting oil cylinder 11 for lifting the external long sub-beam 2 is arranged on the chassis 1.
[0053] See also Figure 13 to Figure 15As shown, the chain slide-out device 6 is used to drive the plate mechanism 4 to slide out, and includes a first fixed pulley 61 and a first chain 62. The first fixed pulley 61 is fixedly arranged at a position close to the rear end of the internal short sub-beam 3. One end of the first chain 62 is fixedly connected to the external long sub-beam 2 through a first joint 63. The other end of the first chain 62 passes around the first fixed pulley 61 and is connected to the plate mechanism 4 through the first joint 63.
[0054] See also Figure 16 to Figure 18 As shown, the chain sliding device 7 is used to drive the plate mechanism 4 to slide in, and includes a second fixed pulley 71 and a second chain 72. The second fixed pulley 71 is fixedly arranged at the front end of the internal short sub-beam 3, one end of the second chain 72 is fixedly connected to the external long sub-beam 2 through a second joint 73, and the other end of the second chain 72 is connected to the plate mechanism 4 through the second joint 73 after passing the second fixed pulley 71. Specifically, the chain sliding device 7 and the chain sliding device 6 move synchronously, and the first chain 62 and the second chain 72 have the same length.
[0055] See also Figures 5 to 9 As shown, the external long sub-beam 2 includes two first longitudinal beams 21 arranged opposite to each other, and the inner side surfaces of the two first longitudinal beams 21 are provided with inner rails 28; the internal short sub-beam 3 includes two second longitudinal beams 31 arranged opposite to each other, and the second longitudinal beams 31 are slidably provided on the corresponding inner rails 28. Specifically, the first connecting beam 22 is connected to the position near the front end of the two first longitudinal beams 21, and the first connecting seat 23 for mounting the cylinder body of the master oil cylinder 5 is provided on the first connecting beam 22; the rear end of the two second longitudinal beams 31 is connected to the second connecting plate 33, and the second connecting plate 33 is provided with a second connecting seat 35 for connecting the piston rod of the master oil cylinder 5. The second connecting beam 24 is connected to the position near the front end of the two first longitudinal beams 21, and the first interface 25 for connecting the first joint 63 is provided on the second connecting beam 24; the third connecting plate 34 is connected to the position near the rear end of the two second longitudinal beams 31, and the first fixed pulley 61 is installed on the third connecting plate 34. The two first longitudinal beams 21 are connected to a third connecting beam 26 near the rear end, and the third connecting beam 26 is provided with a second interface 27 for connecting the second joint 73; the front ends of the two second longitudinal beams 31 are connected to a first connecting plate 32, and the second fixed pulley 71 is installed on the first connecting plate 32.
[0056] See also Figure 10 to Figure 12 As shown, an outer track 29 is provided on the outer side of the first longitudinal beam 21, and a slider 43 adapted to the outer track 29 is provided at the bottom of the flat plate mechanism 4. Specifically, a first guide wheel 41 is provided at the front end of the bottom of the flat plate mechanism 4, and a second guide wheel 42 is provided in the middle of the bottom of the flat plate mechanism 4. A flippable tail plate is provided at the rear end of the flat plate mechanism 4.
[0057] The working principle of the utility model is:
[0058] The telescopic oil cylinder drives the internal short sub-beam and the fixed pulley to move. Since the total length of the chain remains unchanged, the stroke of the oil cylinder is L, the distance that the oil cylinder drives the internal sub-beam to slide is also L, and the distance that the internal short sub-beam drives the fixed pulley to move is also L, but the relative position of the fixed pulley and the other end of the chain fixed on the internal short sub-beam remains unchanged, so the displacement of the chain seat fixed on one section of the flat plate relative to the starting point is 2L.
[0059] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0060] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.
Claims
1. A novel oblique drop integrated tow truck mechanism, comprising an external long auxiliary beam (2) and a flat plate mechanism (4) arranged on a chassis (1), characterized in that: It also includes an internal short auxiliary beam (3), a main oil cylinder (5), a chain sliding-in device (7) and a chain sliding-out device (6); The internal short auxiliary beam (3) is arranged inside the external long auxiliary beam (2), and the flat plate mechanism (4) is slidably arranged on the internal short auxiliary beam (3); The two ends of the main oil cylinder (5) are respectively connected to the external long auxiliary beam (2) and the internal short auxiliary beam (3), and are used to drive the internal short auxiliary beam (3) to slide; The chain slide-out device (6) is used to drive the flat plate mechanism (4) to slide out, and comprises a first fixed pulley (61) and a first chain (62), wherein the first fixed pulley (61) is fixedly arranged at a position close to the rear end of the internal short auxiliary beam (3), one end of the first chain (62) is fixedly connected to the external long auxiliary beam (2) via a first joint (63), and the other end of the first chain (62) is connected to the flat plate mechanism (4) via the first joint (63) after passing around the first fixed pulley (61); The chain sliding device (7) is used to drive the flat plate mechanism (4) to slide in, and comprises a second fixed pulley (71) and a second chain (72); the second fixed pulley (71) is fixedly arranged at the front end of the internal short auxiliary beam (3); one end of the second chain (72) is fixedly connected to the external long auxiliary beam (2) via a second joint (73); the other end of the second chain (72) passes around the second fixed pulley (71) and is connected to the flat plate mechanism (4) via the second joint (73).
2. The novel oblique drop integrated tow truck mechanism according to claim 1 is characterized in that: The chain sliding-in device (7) and the chain sliding-out device (6) move synchronously, and the lengths of the first chain (62) and the second chain (72) are the same.
3. The novel oblique drop integrated tow truck mechanism according to claim 1 is characterized in that: The chassis (1) is provided with a lifting cylinder (11) for lifting the external long auxiliary beam (2).
4. The novel oblique drop integrated tow truck mechanism according to claim 1 is characterized in that: The external long auxiliary beam (2) comprises two first longitudinal beams (21) arranged opposite to each other, and the inner side surfaces of the two first longitudinal beams (21) are provided with inner rails (28); the internal short auxiliary beam (3) comprises two second longitudinal beams (31) arranged opposite to each other, and the second longitudinal beams (31) are slidably arranged on the corresponding inner rails (28).
5. The novel oblique drop integrated tow truck mechanism according to claim 4 is characterized in that: The two first longitudinal beams (21) are connected to a first connecting beam (22) near the front end, and the first connecting beam (22) is provided with a first connecting seat (23) for mounting the cylinder body of the master oil cylinder (5); the rear ends of the two second longitudinal beams (31) are connected to a second connecting plate (33), and the second connecting plate (33) is provided with a second connecting seat (35) for connecting the piston rod of the master oil cylinder (5).
6. The novel oblique drop integrated tow truck mechanism according to claim 4 is characterized in that: The two first longitudinal beams (21) are connected to a second connecting beam (24) near the front end, and the second connecting beam (24) is provided with a first interface (25) for connecting to a first joint (63); the two second longitudinal beams (31) are connected to a third connecting plate (34) near the rear end, and the first fixed pulley (61) is mounted on the third connecting plate (34).
7. The novel oblique drop integrated tow truck mechanism according to claim 4 is characterized by: A third connecting beam (26) is connected to the two first longitudinal beams (21) near the rear end, and a second interface (27) for connecting to a second joint (73) is provided on the third connecting beam (26); the front ends of the two second longitudinal beams (31) are connected to a first connecting plate (32), and the second fixed pulley (71) is mounted on the first connecting plate (32).
8. The novel oblique drop integrated tow truck mechanism according to claim 4 is characterized in that: An outer track (29) is arranged on the outer side surface of the first longitudinal beam (21), and a sliding block (43) adapted to the outer track (29) is arranged on the bottom of the flat plate mechanism (4).
9. The novel oblique drop integrated tow truck mechanism according to claim 1 is characterized by: A first guide wheel (41) is arranged at the front end of the bottom of the flat plate mechanism (4), and a second guide wheel (42) is arranged in the middle of the bottom of the flat plate mechanism (4).
10. The novel oblique drop integrated tow truck mechanism according to claim 1 is characterized in that: The rear end of the flat plate mechanism (4) is provided with a flippable tail plate.