Auxiliary frame of centrally-mounted axle car carrier

Abstract

The utility model discloses an auxiliary frame of a centrally-mounted shaft car carrier, which belongs to the field of auxiliary frames and comprises an auxiliary frame, butt joint plates are mounted at four corners of the auxiliary frame, two support plates are symmetrically mounted on side walls of the auxiliary frame, the support plates are in threaded connection with bolts, and the bolts are connected with the butt joint plates through bolts. Four symmetrically-arranged limiting columns are installed at the upper end of the auxiliary frame, the upper ends of the limiting columns are sleeved with clamping cylinders, four symmetrically-arranged auxiliary springs are installed at the upper end of the auxiliary frame, the four auxiliary springs are arranged on the side walls of the adjacent limiting columns in a sleeving mode respectively, the side walls of the four clamping cylinders are all in threaded connection with fixing rollers, and an exhaust pipe is installed on the inner wall of the auxiliary frame. According to the device, a car carrier is conveniently supported and hung through the clamping cylinder, a chassis of the car carrier is conveniently protected, a deceleration strip and a protrusion are prevented from scratching a car carrier chassis, meanwhile, an exhaust pipe is conveniently limited, the exhaust pipe is prevented from being scratched, and the device is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary frames, and more specifically to an auxiliary frame of a mid-axle car carrier. Background Art

[0002] The subframe is the skeleton of the front and rear axles and is an integral part of the front and rear axles. Car carriers, in particular, have long chassis, so subframes are needed to support axles and suspension brackets. Existing subframes are generally located above the exhaust pipe, which can easily cause the exhaust pipe to be scratched when the car carrier passes over speed bumps and other bumps. For this reason, we propose a mid-axle car carrier subframe. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a mid-axle car carrier subframe, which is convenient for supporting the car carrier suspension through the embedded tube, and thus convenient for protecting the car carrier chassis to prevent speed bumps and protrusions from scratching the car carrier chassis, and at the same time convenient for limiting the exhaust pipe to prevent the exhaust pipe from being scratched, and the device has a simple structure and is easy to use.

[0005] 2. Technical solution

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A mid-axle car carrier subframe comprises a subframe, the four corners of the subframe are each provided with a docking plate, the side walls of the subframe are provided with two symmetrically arranged support plates, the support plates are threadedly connected with bolts, the upper end of the subframe is provided with four symmetrically arranged limit columns, the upper ends of the limit columns are sleeved with an embedding tube, the upper end of the subframe is provided with four symmetrically arranged auxiliary springs, the four auxiliary springs are respectively sleeved on the side walls of adjacent limit columns, the side walls of the four embedding tubes are threadedly connected with retaining rollers, and the inner wall of the subframe is provided with an exhaust pipe.

[0008] Furthermore, four symmetrically arranged auxiliary cylinders are installed on the upper end of the auxiliary frame, the auxiliary cylinders are adjacent to the embedding cylinders, and the auxiliary cylinders are connected to the embedding cylinders through pipelines, so as to facilitate the embedding cylinders to dock with the suspension of the car carrier.

[0009] Furthermore, the inner wall of the embedding tube is slidably connected to the limiting column, and the side wall of the embedding tube is provided with a threaded hole, and the side wall of the retaining roller is provided with a thread matched with the threaded hole, so as to facilitate the fixing of the suspension.

[0010] Furthermore, the sub-frame is provided with an embedding hole, and the exhaust pipe is snap-fitted with the embedding hole, so as to conveniently cover the exhaust pipe and prevent the exhaust pipe from being scratched by the speed bump.

[0011] Furthermore, a mounting hole is installed on the side wall of the support plate, and matching threads are provided on the side wall of the bolt and the inner wall of the mounting hole, so that the bolt can be conveniently installed on the sub-frame through the support plate.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) The utility model is convenient for supporting the suspension of the car carrier through the embedded cylinder, thereby conveniently protecting the chassis of the car carrier to prevent speed bumps and protrusions from scratching the car carrier frame, and conveniently limiting the exhaust pipe to prevent the exhaust pipe from being scratched, and the device has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural sectional view of the utility model;

[0016] Figure 2 It is a top view of the structure of the utility model.

[0017] Description of the numbers in the figure:

[0018] 1. Subframe; 2. Docking plate; 3. Support plate; 4. Bolts; 5. Limiting column; 6. Auxiliary cylinder; 7. Auxiliary spring; 8. Embedding cylinder; 9. Retaining roller; 10. Exhaust pipe. DETAILED DESCRIPTION

[0019] The following will combine the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments in the utility model belong to the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Example 1: Please refer to Figure 1 and Figure 2 A mid-axle car carrier subframe comprises a subframe 1, four corners of the subframe 1 are provided with docking plates 2, the side walls of the subframe 1 are provided with two symmetrically arranged support plates 3, the support plates 3 are threadedly connected with bolts 4, four symmetrically arranged limit columns 5 are provided at the upper end of the subframe 1, the upper ends of the limit columns 5 are sleeved with embedding tubes 8, four symmetrically arranged auxiliary springs 7 are provided at the upper end of the subframe 1, the four auxiliary springs 7 are respectively sleeved on the side walls of adjacent limit columns 5, the side walls of the four embedding tubes 8 are threadedly connected with retaining rollers 9, and an exhaust pipe 10 is provided on the inner wall of the subframe 1.

[0023] Four symmetrically arranged auxiliary cylinders 6 are installed on the upper end of the auxiliary frame 1. The auxiliary cylinders 6 are adjacent to the embedded cylinders 8, and the auxiliary cylinders 6 are connected to the embedded cylinders 8 through pipelines, so that the embedded cylinders 8 can be conveniently connected to the suspension of the car carrier.

[0024] The inner wall of the embedding tube 8 is slidably connected to the limiting column 5, and the side wall of the embedding tube 8 is provided with a threaded hole, and the side wall of the retaining roller 9 is provided with a thread matched with the threaded hole, so as to facilitate the fixing of the suspension.

[0025] The sub-frame 1 is provided with an embedding hole, and the exhaust pipe 10 is snap-fitted with the embedding hole, so as to conveniently cover the exhaust pipe 10 and prevent the exhaust pipe 10 from being scratched by the speed bump.

[0026] The side wall of the support plate 3 is provided with a mounting hole, and the side wall of the bolt 4 and the inner wall of the mounting hole are provided with matching threads, so that the bolt 4 can be conveniently installed on the sub-frame 1 through the support plate 3 .

[0027] When in use, a technician in the field installs the subframe 1 on the chassis of the car carrier by threadedly connecting the support plate 3 with the bolts 4, and then inserts the exhaust pipe 10 into the embedding hole of the subframe 1, so as to protect the exhaust pipe 10 conveniently and prevent the exhaust pipe 10 from being scratched by speed bumps and the like, and connects the embedding tube 8 to the suspension of the car carrier, and uses the retaining roller 9 to connect the suspension and the embedding tube 8 together, so as to maintain stability conveniently. The utility model conveniently supports the suspension of the car carrier through the embedding tube 8, and thus conveniently protects the chassis of the car carrier, prevents speed bumps and protrusions from scratching the chassis of the car carrier, and conveniently limits the exhaust pipe 10, so as to prevent the exhaust pipe 10 from being scratched, and the device has a simple structure and is easy to use.

[0028] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field within the technical scope disclosed by the utility model and any equivalent replacement or change based on the technical solution and improved concept of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mid-axle car carrier subframe, comprising a subframe (1), characterized in that: The four corners of the sub-frame (1) are all equipped with docking plates (2); the side walls of the sub-frame (1) are equipped with two symmetrically arranged support plates (3); the support plates (3) are threadedly connected with bolts (4); the upper end of the sub-frame (1) is equipped with four symmetrically arranged limit columns (5); the upper ends of the limit columns (5) are sleeved with embedded cylinders (8); the upper end of the sub-frame (1) is equipped with four symmetrically arranged auxiliary springs (7); the four auxiliary springs (7) are respectively sleeved on the side walls of adjacent limit columns (5); the side walls of the four embedded cylinders (8) are all threadedly connected with retaining rollers (9); and the inner wall of the sub-frame (1) is equipped with an exhaust pipe (10).

2. A mid-axle car carrier subframe according to claim 1, characterized in that: Four symmetrically arranged auxiliary cylinders (6) are installed at the upper end of the auxiliary frame (1); the auxiliary cylinders (6) are adjacent to the embedding cylinders (8), and the auxiliary cylinders (6) are connected to the embedding cylinders (8) via pipelines.

3. The mid-axle car carrier subframe according to claim 1, characterized in that: The inner wall of the embedding cylinder (8) is slidably connected to the limiting column (5), and a threaded hole is provided on the side wall of the embedding cylinder (8), and a thread matching the threaded hole is provided on the side wall of the retaining roller (9).

4. The mid-axle car carrier subframe according to claim 1, characterized in that: The auxiliary frame (1) is provided with an embedding hole, and the exhaust pipe (10) is snap-connected with the embedding hole.

5. The mid-axle car carrier subframe according to claim 1, characterized in that: The side wall of the support plate (3) is provided with a mounting hole, and the side wall of the bolt (4) and the inner wall of the mounting hole are provided with matching threads.

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