Lifting trailer with width expansion by telescopic cylinders

Abstract

The utility model discloses a kind of lifting trailers with telescopic cylinder extended width, it belongs to trailer field, including fixed trailer frame and the mobile trailer frame being arranged in the both sides of fixed trailer frame, trailer plate is equipped in the top of fixed trailer frame, the outermost of mobile trailer frame is equipped with wheel;Fixed trailer frame includes several parallelly arranged long channel steel, the leg of long channel steel is horizontally arranged, and the both ends of several long channel steel are connected by short channel steel;It further includes four square tubes, square tube is parallel with short channel steel, and each square tube is all through all long channel steel;Mobile trailer frame includes a wheel support beam, and two square guide rods are equipped in the side of wheel support beam close to fixed trailer frame, and square guide rod can be guided with square tube interior sliding cooperation by using;Two telescopic cylinders are fixed on fixed trailer frame, and two telescopic cylinders can drive mobile trailer frame to move relative to fixed trailer frame. The trailer can be adjusted by the width direction of trailer, ensure the towing work of carrying body, and be unfolded after reaching the destination.

Description

Technical Field

[0001] This utility model relates to the field of trailers, specifically to a lifting trailer whose width can be extended by a telescopic cylinder. Background Technology

[0002] Currently, trailers are not only used for racing cars, sports cars, and small aircraft, but are also gradually being introduced for mobile stall boxes. In both of these fields, due to the presence of modifications, the original width of the trailer is often limited.

[0003] Because the width of trailers is regulated by national road width standards, exceeding the prescribed width on the road is illegal. To transport certain special goods and products that need to be put into use after reaching their destination, while still meeting national road width standards, trailers must be able to meet the national road width requirements. However, current trailers do not have the above-mentioned functions.

[0004] In view of the problems existing in the prior art, this utility model designs and manufactures a lifting trailer that can expand its width using a telescopic cylinder to overcome the above defects. Summary of the Invention

[0005] To address the problems existing in the prior art, this utility model provides a lifting trailer with an expandable width that can be extended using a telescopic cylinder. By adjusting the width of the trailer, the towing operation of the transport vehicle can be ensured, and it can be deployed for use after reaching its destination.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a lifting trailer with an expandable width using a telescopic cylinder, comprising a fixed trailer frame and a movable trailer frame disposed on both sides of the fixed trailer frame, wherein a trailer plate is provided above the fixed trailer frame and wheels are provided on the outermost side of the movable trailer frame;

[0007] The fixed trailer frame includes several parallel long channel steels, the legs of the long channel steels are horizontally arranged, and the two ends of the long channel steels are connected by short channel steels.

[0008] It also includes four square tubes, which are parallel to the short channel steel, and each of the square tubes penetrates all the long channel steel.

[0009] The mobile trailer frame includes a wheel support beam, which is arranged parallel to the long channel steel. The wheel support beam is provided with two square guide rods on the side of the wheel support beam near the fixed trailer frame. The two square guide rods on one side of the mobile trailer frame are respectively guided and slidably engaged with the inside of two square tubes, and the two square guide rods on the other side of the mobile trailer frame are respectively guided and slidably engaged with the inside of two other square tubes.

[0010] Two telescopic cylinders are fixed on the fixed trailer frame. The end of the cylinder rod of one telescopic cylinder is connected to the wheel support beam of the movable trailer frame on one side, and the end of the cylinder rod of the other telescopic cylinder is connected to the wheel support beam of the movable trailer frame on the other side.

[0011] Preferably, it also includes a reinforcing beam, which is parallel to the short channel steel and passes through all the long channel steels and is welded to all the long channel steels.

[0012] Preferably, each side of the mobile trailer frame is provided with two wheels on its outer side, and the two wheels are mounted on a wheel support beam between two square guide rods.

[0013] Preferably, each wheel support beam has an auxiliary guide rod fixedly connected to both ends, and the auxiliary guide rod is parallel to the square guide rod;

[0014] The fixed trailer frame corresponding to the auxiliary guide rod is provided with an auxiliary square tube, and the auxiliary guide rod and the auxiliary square tube are in a guide sliding fit.

[0015] Preferably, a wear-resistant plate is provided between the square guide rod and the square tube;

[0016] A wear-resistant plate is also provided between the auxiliary guide rod and the auxiliary square tube.

[0017] Preferably, each wheel support beam has a reinforcing guide rod at both ends of its bottom, and the bottom of the fixed trailer frame has a U-shaped guide groove corresponding to the position of the reinforcing guide rod, and the reinforcing guide rod can slide and cooperate with the U-shaped guide groove.

[0018] Preferably, each of the wheels is rotatably connected to a wheel carrier, and the wheel carrier is hinged to the wheel support beam;

[0019] A hinge seat is fixed on the wheel support beam on one side of each wheel. A hinge rod is rotatably connected to the hinge seat. One end of the hinge rod is rotatably connected to the hinge seat, and the other end of the hinge rod is hinged to a telescopic cylinder. The cylinder rod end of the telescopic cylinder is hinged to the wheel frame. The telescopic cylinder can extend and retract to drive the wheel frame to swing and rise.

[0020] Preferably, the wheel frame is an L-shaped frame, the corner of the L-shaped frame is hinged to the wheel support beam, one end of the L-shaped frame is rotatably connected to the wheel, and the other end of the L-shaped frame is hinged to the end of the telescopic cylinder.

[0021] Preferably, the telescopic cylinder can extend and retract to allow the wheel to swing above the wheel support beam via the wheel frame.

[0022] Preferably, the hinge seat corresponding to each wheel is located near the end of the wheel support beam.

[0023] The advantages of this utility model are:

[0024] 1. This utility model can drive the mobile trailer frame connected to the wheels to move along the width direction of the trailer through two telescopic cylinders, thereby increasing the overall width of the trailer and avoiding interference of the structure at the wheels with the load to be carried.

[0025] 2. The square tube of this utility model can not only guide and slide with the square guide rod of the mobile trailer frame to ensure the movement stability of the mobile trailer frame, but also indirectly improve the structural strength of the fixed trailer frame because the square tube runs through all the long channel steel.

[0026] 3. The telescopic cylinder of this utility model extends and retracts, causing the wheel to swing above the wheel support beam via the wheel frame. Then, the telescopic cylinder drives the trailer frame to move. After the trailer frame moves to the designated position, the telescopic cylinder drives the wheel to swing below the wheel support beam via the wheel frame to support the trailer. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of a lift trailer with its width extended by a telescopic cylinder after the trailer platform has been removed.

[0028] Figure 2 This is a schematic diagram of a lift trailer with its width extended by a telescopic cylinder, after which the trailer platform is removed.

[0029] Figure 3 This is a schematic diagram of the bottom view of a lifting trailer whose width can be extended using a telescopic cylinder;

[0030] Figure 4 This is a partial structural diagram of the wheel of a lifting trailer that can have its width extended by a telescopic cylinder.

[0031] In the diagram: 1. Long channel steel; 2. Short channel steel; 3. Wheel support beam; 4. Wheel; 5. Square tube; 6. Telescopic cylinder; 7. Auxiliary square tube; 8. Auxiliary guide rod; 9. Square guide rod; 10. Reinforcing beam; 11. U-shaped guide groove; 12. Reinforcing guide rod; 13. Hinge seat; 14. Telescopic cylinder; 15. Wheel frame. Detailed Implementation

[0032] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0033] like Figures 1 to 4As shown, a lifting trailer with an expandable width using a telescopic cylinder includes a fixed trailer frame and movable trailer frames disposed on both sides of the fixed trailer frame. A trailer plate is provided on the top of the fixed trailer frame, and wheels 4 are provided on the outermost side of the movable trailer frame. The movable trailer frame can be adjusted in position in the width direction of the fixed trailer frame, thereby increasing the overall width of the trailer and avoiding interference of the structure at the wheels 4 with the load-bearing object.

[0034] The fixed trailer frame specifically includes several parallel long channel steels 1, with the legs of the long channel steels 1 arranged horizontally, and the two ends of the long channel steels 1 connected by short channel steels 2.

[0035] It also includes four square tubes 5, which are parallel to the short channel steel 2, and each square tube 5 penetrates all the long channel steel 1.

[0036] The mobile trailer frame specifically includes a wheel support beam 3, which is set parallel to the long channel steel 1. The wheel support beam 3 is provided with two square guide rods 9 on the side of the fixed trailer frame. The two square guide rods 9 on one side of the mobile trailer frame are respectively guided and slidably engaged with the inside of two square tubes 5, and the two square guide rods 9 on the other side of the mobile trailer frame are respectively guided and slidably engaged with the inside of two other square tubes 5.

[0037] The square tube 5 of this utility model can not only guide and slide with the square guide rod 9 of the mobile trailer frame to ensure the movement stability of the mobile trailer frame, but also indirectly improve the structural strength of the fixed trailer frame because the square tube 5 runs through all the long channel steels 1.

[0038] Two telescopic cylinders 6 are fixed on the fixed trailer frame. The end of the cylinder rod of one telescopic cylinder 6 is connected to the wheel support beam 3 of the movable trailer frame on one side, and the end of the cylinder rod of the other telescopic cylinder 6 is connected to the wheel support beam 3 of the movable trailer frame on the other side.

[0039] To improve the structural strength of the fixed trailer frame, this utility model also includes a reinforcing beam 10, which is parallel to the short channel steel 2. The reinforcing beam 10 passes through all the long channel steel 1 and is welded to all the long channel steel 1.

[0040] Each side of the mobile trailer frame of this utility model is provided with two wheels 4, which are mounted on the wheel support beam 3 between two square guide rods 9.

[0041] In this invention, each wheel support beam 3 has an auxiliary guide rod 8 fixedly connected to both ends. The auxiliary guide rod 8 is parallel to the square guide rod. The fixed trailer frame corresponding to the auxiliary guide rod 8 is provided with an auxiliary square tube 7. The auxiliary guide rod 8 and the auxiliary square tube 7 are internally guided and slidably engaged to further ensure the stability of the moving trailer frame.

[0042] A wear-resistant plate is provided between the square guide rod and the square tube 5, and a wear-resistant plate is also provided between the auxiliary guide rod 8 and the auxiliary square tube 7 to improve the service life of the two when they move relative to each other.

[0043] Since the greater the distance between the mobile trailer frame and the fixed trailer frame, the worse the guiding stability of its guiding structure, in order to further improve the stability of the mobile trailer frame, this utility model provides reinforcing guide rods 12 at the bottom of both ends of each wheel support beam 3, and provides U-shaped guide grooves 11 at the bottom of the fixed trailer frame corresponding to the reinforcing guide rods 12. The two legs of the U-shaped guide grooves 11 are welded to the bottom of the fixed trailer frame, and the reinforcing guide rods 12 can slide and guide with the U-shaped guide grooves 11.

[0044] In this invention, each wheel 4 is rotatably connected to a wheel frame 15, which is hinged to a wheel support beam 3. A hinge seat 13 is also fixed on one side of the wheel support beam 3 of each wheel 4. The hinge seat 13 corresponding to each wheel 4 is close to the end of the wheel support beam 3. A hinge rod is rotatably connected to the hinge seat 13. One end of the hinge rod is rotatably connected to the hinge seat 13, and the other end of the hinge rod is hinged to a telescopic cylinder 14. The end of the cylinder rod of the telescopic cylinder 14 is hinged to the wheel frame 15. The telescopic cylinder 14 can extend and retract to drive the wheel frame 15 to swing and rise.

[0045] Specifically, the telescopic cylinder 14 can extend and retract to drive the wheel 4 to swing above the wheel support beam 3 via the wheel frame 15, and then drive the moving trailer frame via the telescopic cylinder 6. After the moving trailer frame moves to the designated position, the telescopic cylinder 14 can then drive the wheel 4 to swing below the wheel support beam 3 via the wheel frame 15 to support the trailer.

[0046] The wheel frame 15 of this utility model is designed as an L-shaped frame. The corner of the L-shaped frame is hinged to the wheel support beam 3. One end of the L-shaped frame is rotatably connected to the wheel 4, and the other end of the L-shaped frame is hinged to the end of the telescopic cylinder 14.

[0047] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A lifting trailer whose width can be extended by a telescopic cylinder, characterized in that, It includes a fixed trailer frame and a mobile trailer frame set on both sides of the fixed trailer frame. The fixed trailer frame is provided with a trailer plate on top, and the mobile trailer frame is provided with wheels (4) on the outermost side. The fixed trailer frame includes several parallel long channel steels (1), the legs of the long channel steels (1) are horizontally arranged, and the two ends of the long channel steels (1) are connected by short channel steels (2). It also includes four square tubes (5), which are parallel to the short channel steel (2), and each of the square tubes (5) penetrates all the long channel steel (1); The mobile trailer frame includes a wheel support beam (3), which is arranged parallel to the long channel steel (1). The wheel support beam (3) has two square guide rods (9) on the side of the fixed trailer frame. The two square guide rods (9) on one side of the mobile trailer frame are respectively guided and slidably engaged with the interior of two square tubes (5), and the two square guide rods (9) on the other side of the mobile trailer frame are respectively guided and slidably engaged with the interior of two other square tubes (5). Two telescopic cylinders (6) are fixed on the fixed trailer frame. The end of the cylinder rod of one telescopic cylinder (6) is connected to the wheel support beam (3) of the movable trailer frame on one side, and the end of the cylinder rod of the other telescopic cylinder (6) is connected to the wheel support beam (3) of the movable trailer frame on the other side.

2. A lifting trailer with an expandable width using a telescopic cylinder according to claim 1, characterized in that, It also includes a reinforcing beam (10) that is parallel to the short channel steel (2) and that passes through all the long channel steel (1) and is welded to all the long channel steel (1).

3. A lifting trailer with an expandable width using a telescopic cylinder according to claim 1, characterized in that, Each side of the mobile trailer frame is provided with two wheels (4) on its outer side, and the two wheels (4) are set on the wheel support beam (3) between two square guide rods (9).

4. A lifting trailer with an expandable width using a telescopic cylinder according to claim 1, characterized in that, Each wheel support beam (3) is fixed to an auxiliary guide rod (8) at both ends, and the auxiliary guide rod (8) is parallel to the square guide rod (9); The auxiliary guide rod (8) is provided with an auxiliary square tube (7) on the fixed trailer frame corresponding to it, and the auxiliary guide rod (8) and the auxiliary square tube (7) are in a sliding guide engagement.

5. A lifting trailer with an expandable width using a telescopic cylinder according to claim 4, characterized in that, A wear-resistant plate is provided between the square guide rod (9) and the square tube (5); A wear-resistant plate is also provided between the auxiliary guide rod (8) and the auxiliary square tube (7).

6. A lifting trailer with an expandable width using a telescopic cylinder according to claim 1, characterized in that, Each wheel support beam (3) has a reinforcing guide rod (12) at both ends of its bottom. The bottom of the fixed trailer frame is provided with a U-shaped guide groove (11) corresponding to the position of the reinforcing guide rod (12). The reinforcing guide rod (12) can slide and cooperate with the U-shaped guide groove (11).

7. A lifting trailer with an expandable width using a telescopic cylinder according to claim 1, characterized in that, Each of the wheels (4) is rotatably connected to a wheel frame (15), which is hinged to the wheel support beam (3); A hinge seat (13) is fixed on the wheel support beam (3) on one side of each wheel (4). A hinge rod is rotatably connected to the hinge seat (13). One end of the hinge rod is rotatably connected to the hinge seat (13), and the other end of the hinge rod is hinged to a telescopic cylinder (14). The cylinder rod end of the telescopic cylinder (14) is hinged to the wheel frame (15). The telescopic cylinder (14) can extend and retract to drive the wheel frame (15) to swing and rise.

8. A lifting trailer with an expandable width using a telescopic cylinder according to claim 7, characterized in that, The wheel frame (15) is an L-shaped frame. The corner of the L-shaped frame is hinged to the wheel support beam (3). One end of the L-shaped frame is rotatably connected to the wheel (4), and the other end of the L-shaped frame is hinged to the end of the telescopic cylinder (14).

9. A lifting trailer with an expandable width using a telescopic cylinder according to claim 7, characterized in that, The telescopic cylinder (14) can extend and retract, and drive the wheel (4) to swing above the wheel support beam (3) via the wheel frame (15).

10. A lifting trailer with an expandable width using a telescopic cylinder according to claim 7, characterized in that, The hinge seat (13) corresponding to each wheel (4) is close to the end of the wheel support beam (3).

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