Fixing device for automobile trailer

Abstract

The utility model discloses a fixing device for an automobile trailer, which relates to the technical field of automobile trailers, and comprises a bottom plate, a lifting plate, a baffle plate and a positioning part, the bottom plate is fixedly connected to a trailer frame, and a first driving piece is arranged on the bottom plate; the lifting plate is parallel to the bottom plate and connected with a first driving part, the first driving part can drive the lifting plate to move up and down, the side face of the lifting plate is connected with a second driving part, and the lifting plate is provided with a shielding hole; the shielding plate is slidably connected to the lifting plate, the shielding plate seals the shielding hole in the vertical direction, a receding hole is formed in the shielding plate, and the second driving part is used for driving the shielding plate to move front and back; the positioning part is slidably connected to the bottom plate and located in the receding hole, the shielding plate can drive the positioning part to move front and back when moving front and back, and the positioning part is used for fixing tires of a transported vehicle. According to the utility model, vehicles with different sizes can be quickly fixed.

Description

Technical Field

[0001] This utility model relates to the field of automobile trailer technology, and in particular to a fixing device for automobile trailers. Background Technology

[0002] A tow truck, also known as a road clearing vehicle, roadside assistance vehicle, or tractor, has multiple functions including lifting, pulling, and towing. Road clearing vehicles are mainly used for disabled vehicles, illegally parked vehicles in cities, and for emergency rescue. Flatbed road clearing vehicles have a load-bearing platform on their chassis. The towing vehicle or disabled vehicle is placed on the platform and needs to be secured during transport to prevent accidents. Due to the variety of vehicle models and sizes, it is difficult to install securing devices on the platform. Currently, the common method is to use ropes to secure the tires and fix the towing vehicle or disabled vehicle to the chassis. While effective, this method is time-consuming and labor-intensive, requiring manual operation for binding and unbinding, resulting in low efficiency. Furthermore, the securing effect is often poor, posing risks during transport. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a securing device for car trailers, capable of quickly securing vehicles of different sizes.

[0004] A fixing device for a car trailer according to a first aspect embodiment of the present invention includes: a base plate, a lifting plate, a cover plate, and a positioning part. The base plate is fixedly connected to the trailer frame, and a first driving member is provided on the base plate. The lifting plate is parallel to the base plate and connected to the first driving member. The first driving member can drive the lifting plate to move up and down. A second driving member is connected to the side of the lifting plate, and the lifting plate has a cover hole. The cover plate is slidably connected to the lifting plate and closes the cover hole in the vertical direction. A clearance hole is provided on the cover plate. The second driving member is used to drive the cover plate to move back and forth. The positioning part is slidably connected to the base plate and is located in the clearance hole. When the cover plate moves back and forth, it can drive the positioning part to move back and forth. The positioning part is used to fix the tires of the transported vehicle.

[0005] A fixing device for a car trailer according to an embodiment of the present invention has at least the following advantages: a lifting plate is provided on the base plate. After the vehicle to be transported moves to the lifting plate, the lifting plate descends, causing the positioning part to automatically extend from the upper end of the lifting plate, thereby fixing the tires of the vehicle to be transported. A second driving member adjusts the front-to-back position of the positioning part on the lifting plate, thus quickly adapting to vehicles of different sizes. This effectively reduces the labor intensity of operators and improves the efficiency of fixing.

[0006] According to some embodiments of the present invention, multiple first driving elements are symmetrically arranged.

[0007] According to some embodiments of the present invention, two second driving members are provided, and the two second driving members are respectively installed on the left and right sides of the lifting plate.

[0008] According to some embodiments of this utility model, a first fixing platform is fixedly disposed on the base plate, a fixing hole is formed on the lifting plate, the first fixing platform is located in the fixing hole, and a second fixing platform is disposed above the lifting plate, the second fixing platform being located in front of the first fixing platform. The first fixing platform and the second fixing platform cooperate to fix the tires of the vehicle being transported.

[0009] According to some embodiments of the present invention, a winch device is provided on the front side of the base plate, and the winch device is used to pull the vehicle being transported.

[0010] According to some embodiments of the present invention, the positioning part includes a first moving part and a second moving part, and an intermediate plate is provided in the middle of the clearance hole to divide the clearance hole into a front hole and a rear hole in the front-rear direction. The first moving part and the second moving part are respectively located in the front hole and the rear hole.

[0011] According to some embodiments of the present invention, the base plate is provided with a linear rail extending forward and backward, and the first moving part and the second moving part are slidably connected to the linear rail.

[0012] According to some embodiments of the present invention, the upper left and right sides of the lifting plate are provided with sliding grooves, and the left and right ends of the baffle plate are respectively embedded in the sliding grooves.

[0013] According to some embodiments of the present invention, the base plate is bolted to the trailer frame.

[0014] According to some embodiments of the present invention, a ramp is rotatably mounted at the rear end of the trailer frame, the ramp being used to guide the vehicle to be transported onto the base plate.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 This is a schematic diagram of the installation structure of one embodiment of the present utility model;

[0018] Figure 2This is a schematic diagram of the lifting plate in the lifting position according to an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the lifting plate in the descending position according to an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the base plate according to one embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of a lifting plate according to an embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of a shielding plate according to an embodiment of the present invention.

[0023] Icon labels:

[0024] Base plate 100, first driving component 110, first fixed platform 120;

[0025] Trailer frame 200;

[0026] Lifting plate 300, second driving component 310, shielding hole 320, fixing hole 330, second fixing platform 340;

[0027] Baffle plate 400, clearance hole 410, middle plate 411, front hole 412, rear hole 413;

[0028] Positioning unit 500, first moving unit 510, second moving unit 520;

[0029] 600 winch unit;

[0030] 700 linear guide;

[0031] 800 groove;

[0032] Inclined plate 900. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0034] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0036] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0037] Reference Figures 1 to 6As shown, an embodiment of the present invention provides a fixing device for a car trailer, comprising: a base plate 100, a lifting plate 300, a shielding plate 400, and a positioning part 500. The base plate 100 is fixedly connected to a trailer frame 200, which is a chassis of an existing flatbed trailer or truck. The present invention is applicable to modifying existing trailer frames 200 to reduce manufacturing and promotion costs. A first driving member 110 is provided on the base plate 100; the first driving member 110 is a hydraulic cylinder. To save space above the trailer frame 200, the fixed end of the first driving member 110 is located below the base plate 100, and the telescopic end of the first driving member 110 passes through the base plate 100 and is connected to the lifting plate 300. The lifting plate 300 has a raised position and a lowered position. The lifting plate 300 is parallel to the base plate 100. The lifting plate 300 is connected to the first driving member 110. The first driving member 110 can drive the lifting plate 300 to move up and down, thereby switching the lifting plate 300 between the lifting position and the lowering position. The side of the lifting plate 300 is connected to the second driving member 310, which is a hydraulic cylinder. The lifting plate 300 has a blocking hole 320; the blocking plate 400 is slidably connected to the lifting plate 300, the blocking plate 400 is always located above the lifting plate 300 and can move back and forth along the lifting plate 300, the blocking plate 400 closes the blocking hole 320 in the vertical direction, and the blocking plate 400 remains closed in the vertical direction during the back and forth movement, the blocking plate 400 has a clearance hole 410, the second driving member 310 is used to drive the blocking plate 400 to move back and forth; the positioning part 500 is slidably connected to the base plate 100, the positioning part 500 is located in the clearance hole 410, the blocking plate 400 can drive the positioning part 500 to move back and forth when it moves back and forth, the positioning part 500 is used to fix the tires of the transported vehicle. The front-to-back dimension of the positioning part 500 is smaller than that of the blocking hole 320, allowing the positioning part 500 to move back and forth within the blocking hole 320. Therefore, when the position of the positioning part 500 is adjusted by the second drive member 310, the blocking hole 320 is always blocked by the blocking plate 400, enabling the transported vehicle to travel normally on the lifting platform 300 or be towed. When the lifting platform 300 is in the raised position, the upper end of the clearance hole 410 is flush with the upper end of the positioning part 500, allowing the transported vehicle to move smoothly onto the lifting platform 300. When the lifting platform 300 is in the lowered position, the positioning part 500 extends upward from the clearance hole 410, forming a groove for positioning the tires of the transported vehicle. The front-to-back movement of the positioning part 500 accommodates vehicles of different sizes. A strap is also connected to the positioning part 500 for securing the tires of the transported vehicle. The strap is prior art and will not be described in detail.

[0038] Reference Figures 1 to 3As shown, it can be understood that there are four symmetrically arranged first driving components 110. The four first driving components 110 move up and down synchronously so that the lifting plate 300 can remain horizontal during the up and down movement. It is foreseeable that the more first driving components 110 there are, the higher the maximum load capacity of the lifting plate 300, and the smoother the up and down movement of the lifting plate 300. However, too many first driving components 110 will increase the cost of the equipment. Therefore, in this embodiment, four first driving components 110 are selected to drive the lifting plate 300 to move up and down. Under the premise of controlling costs, the load capacity and lifting stability of the lifting plate 300 are guaranteed.

[0039] Reference Figures 1 to 4 As shown, it can be understood that there are two second driving components 310, which are respectively installed on the left and right sides of the lifting plate 300. The fixed end of the second driving component 310 is bolted to the side of the lifting plate 300, and the telescopic end of the second driving component 310 is screwed to the left and right sides of the baffle plate 400. The two second driving components 310 move synchronously, so that the baffle plate 400 moves smoothly back and forth. The stroke of the second driving component 310 determines the stroke of the baffle plate 400, and therefore the stroke of the second driving component 310 also determines the adjustment range of the positioning part 500. Therefore, the stroke of the second driving component 310 is not less than 1 meter.

[0040] Reference Figures 2 to 6 As shown, a first fixed platform 120 is fixedly installed on the base plate 100. The first fixed platform 120 is welded to the upper end of the base plate 100. A fixing hole 330 is provided on the lifting plate 300, which is vertically aligned with the base plate 100. When the lifting plate 300 is in the raised position, the upper end of the first fixed platform is at the same height as the upper end of the lifting plate 300, allowing the transported vehicle to travel or be towed normally on the lifting plate 300 without falling into the fixing hole 330. The first fixed platform 120 is located in the fixing hole 330. A second fixed platform 340 is welded above the lifting plate 300, and the second fixed platform 340 is the same size as the first fixed platform 120. The second fixed platform 340 is located in front of the first fixed platform 120. The first fixed platform 120 and the second fixed platform 340 cooperate to secure the tires of the transported vehicle. Straps are also provided on the first fixed platform 120 and the second fixed platform 340 for securing the tires of the transported vehicle. The straps are existing technology and will not be described in detail. The positions of the first fixing platform 120 and the second fixing platform 340 in the front-rear direction remain unchanged. By changing the position of the positioning part 500 in the front-rear direction, it can be adapted to different vehicles.

[0041] Reference Figures 1 to 6As shown, it can be understood that a winch device 600 is provided on the front side of the base plate 100. The winch device 600 is a common electric winch. The installation method and specific structure of the winch device 600 are existing technologies and will not be described in detail. The winch device 600 is used to tow the vehicle being transported. When the vehicle to be transported loses power and cannot move, it can be towed by the winch device 600 to move the vehicle to above the lifting platform 300.

[0042] Refer to 2 to Figure 6 As shown, the positioning part 500 includes a first moving part 510 and a second moving part 520, with a groove for tire insertion formed between the first moving part 510 and the second moving part 520. A middle plate 411 is provided in the middle of the clearance hole 410, dividing the clearance hole 410 into a front hole 412 and a rear hole 413 in the front-rear direction. The first moving part 510 and the second moving part 520 are located in the front hole 412 and the rear hole 413, respectively. When the lifting plate 300 is in the lifted position, the tops of both the first moving part 510 and the second moving part 520 are the same as the baffle plate 400, so that the vehicle being transported can move smoothly onto the lifting plate 300 without being blocked by the clearance hole 410. It is foreseeable that multiple positioning parts 500 can be provided to accommodate vehicles with different numbers of tires. In this embodiment, two positioning parts 500 are provided.

[0043] It is easy to imagine that the left and right dimensions of the first moving part 510, the second moving part 520, the first fixed platform 120, and the second fixed platform 340 need to match the common tire sizes on the market. Therefore, the left and right dimensions of the first moving part 510, the second moving part 520, the first fixed platform 120, and the second fixed platform 340 are 30cm to 60cm.

[0044] Reference Figures 1 to 6 As shown, it can be understood that multiple linear guides 700 extending forward and backward are bolted to the base plate 100. The linear guides 700 are commonly used linear guides. The specific structure and installation method of the linear guides are existing technology and will not be described in detail here. The first moving part 510 and the second moving part 520 are slidably connected to the linear guides 700. The number of linear guides 700 corresponding to each first moving part 510 or second moving part 520 should be greater than one. Using multiple linear guides 700 facilitates the smooth movement of the first moving part 510 and the second moving part 520.

[0045] Reference Figures 1 to 6As shown, it can be understood that the upper left and right sides of the lifting plate 300 are provided with sliding grooves 800, and the sliding grooves 800 are provided with grease to reduce friction. The left and right ends of the baffle plate 400 are respectively embedded in the sliding grooves 800. The sliding grooves 800 limit the movement of the baffle plate 400, so that the baffle plate 400 can only move in the front and back direction. It is foreseeable that a linear guide rail can be used to replace the sliding grooves 800 to achieve the same effect.

[0046] Reference Figures 1 to 6 As shown, it is understood that the base plate 100 is bolted to the trailer frame 200. The base plate 100 and the trailer frame 200 can be easily modified from existing trailers by means of detachable bolts. Simply add corresponding bolt holes to the existing trailer, and the base plate 100 can be installed onto the trailer frame 200.

[0047] Reference Figure 1 As shown, it can be understood that a ramp 900 is rotatably mounted at the rear end of the trailer frame 200. The ramp 900 is used to guide the vehicle to be transported onto the floor 100. Since the height of the lifting platform 300 and the floor 100 is usually higher than the ground, the ramp 900 is used to form a slope for guidance, facilitating the transported vehicle to reach the floor 100 under its own power or driven by the winch device 600. The ramp 900 is driven to rotate by a hydraulic rod. The specific structure of the ramp 900 is prior art and will not be described in detail.

[0048] Usage steps: The second drive unit 310 is used to drive the baffle 400 to move back and forth. When the baffle 400 moves back and forth, it can drive the positioning part 500 to move back and forth. The positions of the first fixed platform 120 and the second fixed platform 340 in the front and rear directions remain unchanged. By changing the position of the positioning part 500 in the front and rear directions, it can adapt to the position of different vehicle tires. The first drive member 110 lifts the lifting plate 300, moving it to a raised position. The inclined plate 900 rotates to contact the ground, forming a ramp leading from the ground to the top of the lifting plate 300. The winch device 600 is connected to the vehicle being transported, and the winch device 600 is used to pull the vehicle onto the lifting plate 300. The first drive member 110 drives the lifting plate 300 to descend. As the lifting plate 300 descends, the first moving part 510 and the second moving part 520 extend from the front hole 412 and the rear hole 413, respectively, to limit the movement of the vehicle. The first fixed platform 120 and the second fixed platform 340 cooperate to secure the vehicle being transported. If further securing is required, straps can be used to secure the tires of the vehicle being transported to the first fixed platform 120, the second fixed platform 340, the first moving part 510, and the second moving part 520, respectively.

[0049] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A securing device for a car trailer, characterized in that, include: The base plate (100) is fixedly connected to the trailer frame (200), and the base plate (100) is provided with a first driving component (110). A lifting plate (300) is parallel to the base plate (100). The lifting plate (300) is connected to the first driving member (110). The first driving member (110) can drive the lifting plate (300) to move up and down. A second driving member (310) is connected to the side of the lifting plate (300). The lifting plate (300) has a shielding hole (320). A baffle plate (400) is slidably connected to the lifting plate (300). The baffle plate (400) closes the baffle hole (320) in the vertical direction. A clearance hole (410) is provided on the baffle plate (400). The second driving member (310) is used to drive the baffle plate (400) to move back and forth. The positioning part (500) is slidably connected to the base plate (100). The positioning part (500) is located in the clearance hole (410). When the baffle plate (400) moves back and forth, it can drive the positioning part (500) to move back and forth. The positioning part (500) is used to fix the tires of the transported vehicle.

2. The securing device for a car trailer according to claim 1, characterized in that: The first driving element (110) is symmetrically arranged in multiples.

3. The securing device for a car trailer according to claim 1, characterized in that: There are two second driving components (310), which are respectively installed on the left and right sides of the lifting plate (300).

4. The securing device for a car trailer according to claim 1, characterized in that: A first fixing platform (120) is fixedly installed on the base plate (100), and a fixing hole (330) is opened on the lifting plate (300). The first fixing platform (120) is located in the fixing hole (330). A second fixing platform (340) is installed above the lifting plate (300). The second fixing platform (340) is located in front of the first fixing platform (120). The first fixing platform (120) and the second fixing platform (340) cooperate to fix the tires of the vehicle being transported.

5. The securing device for a car trailer according to claim 1, characterized in that: A winch device (600) is provided on the front side of the base plate (100), and the winch device (600) is used to pull the vehicle being transported.

6. The securing device for a car trailer according to claim 1, characterized in that: The positioning part (500) includes a first moving part (510) and a second moving part (520). A middle plate (411) is provided in the middle of the clearance hole (410) to divide the clearance hole (410) into a front hole (412) and a rear hole (413) in the front-to-back direction. The first moving part (510) and the second moving part (520) are respectively located in the front hole (412) and the rear hole (413).

7. The securing device for a car trailer according to claim 6, characterized in that: The base plate (100) is provided with a linear rail (700) extending forward and backward, and the first moving part (510) and the second moving part (520) are slidably connected to the linear rail (700).

8. The securing device for a car trailer according to claim 7, characterized in that: The upper left and right sides of the lifting plate (300) are provided with sliding grooves (800), and the left and right ends of the shielding plate (400) are respectively embedded in the sliding grooves (800).

9. The securing device for a car trailer according to claim 1, characterized in that: The base plate (100) is bolted to the trailer frame (200).

10. The securing device for a car trailer according to claim 1, characterized in that: The trailer frame (200) is provided with a rotatable ramp (900) at its rear end, the ramp (900) being used to guide the vehicle to be transported onto the base plate (100).

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