Gooseneck type traction device of stage trailer

Abstract

The utility model relates to a gooseneck type traction device, belongs to the technical field of stage performance equipment, and particularly relates to a gooseneck type traction device of a stage trailer, which comprises a gooseneck framework, a connecting frame, a traction base, a connecting sleeve and a connecting plate. The connecting frame is triangular and is arranged at the front end of the gooseneck framework; the traction base is detachably connected with the connecting frame through the connecting sleeve; the connecting plate is used for connecting the gooseneck framework and the stage car body. According to the utility model, the effects that the connection stability is enhanced, the traction seat main bodies of different specifications can be replaced, and stable connection during stage building and transportation is facilitated are achieved, and the problems that an existing traction device is poor in universality, the structure of a connecting part is unstable, a gooseneck framework obstructs work during stage building and the installation flexibility is insufficient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stage performance equipment technical field, especially a goose neck type towing device of stage trailer. BACKGROUND

[0002] In the stage performance equipment technical field, stage trailer provides an important platform for personal concert, commercial performance and other activities as a small and medium-sized mobile performance stage. Because of the performance activity characteristics, the stage requires high speed for scene change, so a convenient and replaceable towing device is needed to realize fast movement and scene change.

[0003] Through the retrieval of the Chinese patent with the publication number CN220948255U, a goose neck type towing frame is disclosed, which relates to the technical field of trailer towing frame, comprising: a goose neck upper frame, the rear end of the goose neck upper frame is provided with a mounting groove; a z-shaped goose neck connecting frame, the front end of the upper part of the goose neck connecting frame is hinged in the mounting groove; a lifting oil cylinder, the lifting oil cylinder is arranged at the rear end of the mounting groove and the front end of the lower part of the goose neck connecting frame. The lifting oil cylinder of the patent is placed at the rear of the goose neck, and the goose neck is divided into two parts of the goose neck upper frame and the goose neck connecting frame. The two parts of the goose neck upper frame and the goose neck connecting frame are connected through a pin shaft, so that the goose neck upper frame can swing up and down around the pin shaft. Different heights of the goose neck upper frame relative to the ground can be adjusted by charging different amounts of hydraulic oil in the lifting oil cylinder. This action can also be completed during vehicle driving, greatly increasing the passing performance of the vehicle during driving. The vehicle frame needs to be completely welded and fixed, and the towing needs to rely on the support rod ball at the tail of the pickup truck.

[0004] Based on the above retrieval and combination of prior art, it is found that the existing support rod type connection towing device is completely welded and fixed with the vehicle frame, which makes the towing device unable to be replaced flexibly. Once the support rod of the towing rod is determined, the specified vehicle or the special towing ball must be used to complete the towing work, which greatly limits the universality and adaptability of the towing device. In actual use, different performance venues and transportation requirements may require different specifications of towing devices, and the existing technology cannot meet this demand, which also increases the transportation cost and time cost, and is not conducive to the efficient scene change operation of the stage trailer. Compared with the prior art, the goose neck type towing device of the stage trailer of the utility model adopts a basic L-shaped structure plus a replaceable towing base, which effectively solves the above problems and improves the use convenience and flexibility of the stage trailer. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a goose neck type towing device of stage trailer, is provided with in the goose neck skeleton front end, the towing base is detachable connection through the connecting sleeve and the connecting frame, the connecting plate is used for connecting the goose neck skeleton and the stage car body, the utility model discloses reached the effect of enhancing the connection stability, can replace the towing seat main part of different specifications, and the stable connection of convenient stage erection and transportation.

[0006] The technical solution for achieving the purpose of the utility model is as follows: a goose neck type towing device of stage trailer, comprising a goose neck framework and a towing seat main body on the front side of the goose neck framework, further comprising:

[0007] A connecting frame is arranged at the front end of the L-shaped goose neck framework, and the connecting frame is a triangular mechanism.

[0008] A towing base and a connecting sleeve are arranged at the front end of the connecting frame, the connecting sleeve comprises a triangular mounting sleeve, the end wall of the mounting sleeve close to the connecting frame is hollow, the triangular front end of the connecting frame is inserted into the hollow opening of the mounting sleeve, the other end of the mounting sleeve is welded with the towing base, and the two sides of the mounting sleeve are provided with fixed plates corresponding to the horizontal connecting end side plates, two rows of fixed bolts are threadedly connected to each fixed plate, and the fixed bolts are threadedly connected with the threaded holes arranged on the outer side of the connecting end and in the mounting sleeve.

[0009] A connecting plate is arranged at the bottom of the goose neck framework and away from the two sides of the connecting frame, and is used for detachably connecting the goose neck framework with the stage car body arranged on the rear side of the goose neck framework.

[0010] In some embodiments, the connecting frame comprises a connecting end welded with the front end of the goose neck framework.

[0011] In some embodiments, at least two groups of reinforcing rods are transversely welded between the two side slopes of the connecting end.

[0012] In some embodiments, the towing base comprises a towing seat main body, the towing seat main body is composed of an upper end cylinder and a connecting disc at the lower end, and the connecting disc is provided with a standard threaded hole.

[0013] In some embodiments, the connecting plate comprises an L-shaped connecting angle plate, a row of mounting screw holes are arranged on the two sides of the connecting angle plate, the connecting angle plate is composed of two groups of transverse rods and a vertical recessed rod by welding, and the two vertical end bottoms of the recessed rod of the connecting angle plate are threadedly connected to the goose neck framework through fasteners.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] One: the utility model discloses a connecting frame and at least two groups of reinforcing bars are transversely welded in the connecting end inside the connecting frame, which greatly enhances the stability of the connecting part of the connecting frame and the gooseneck framework. In actual use, the whole traction device can bear greater tension, effectively reduces the risk of structural damage caused by uneven stress, prolongs the service life of the device, and ensures the safety of the stage trailer during driving.

[0016] Secondly, the traction base of the utility model is detachably connected with the gooseneck framework through the connecting sleeve, and the connecting disc of the traction base body reserves standard threaded holes, which can be matched with multiple groups of traction pins. This allows users to conveniently and quickly replace traction base bodies of different specifications according to different traction needs, greatly improves the versatility and adaptability of the traction device, reduces the use cost of the equipment, and meets the needs of various working scenarios.

[0017] Thirdly, the utility model sets an L-shaped connecting angle plate as a connecting plate at the bottom of the gooseneck framework, and detachably connects the gooseneck framework and the stage car body through the fastener threaded connection mode. During stage building, the gooseneck framework can be easily removed, greatly facilitating stage building work; during transportation, it can be stably connected to ensure transportation safety. In addition, mounting screw holes are formed on both sides of the connecting angle plate, which facilitates the adjustment of the connection position, increases the flexibility of installation, and the structural design of the connecting angle plate increases the contact area with the connecting component, improving the stability of the connection BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in combination with the drawings and embodiments:

[0019] Figure 1 is the three-dimensional structure schematic diagram of the gooseneck type traction device provided in an embodiment of the utility model;

[0020] Figure 2 is the gooseneck type traction device provided in an embodiment of the utility model;

[0021] Figure 3 is the side view of the gooseneck type traction device provided in an embodiment of the utility model;

[0022] Figure 4 is the front view of the gooseneck type traction device provided in an embodiment of the utility model;

[0023] Figure 5 is the connection schematic diagram of the gooseneck type traction device provided in an embodiment of the utility model after being installed on the stage car body.

[0024] Mark explanation:

[0025] 1. Gooseneck frame; 2. Connecting end; 201. Reinforcing rod; 3. Traction seat body; 4. Mounting sleeve; 401. Fixing plate; 402. Fixing bolt; 5. Connecting corner plate; 501. Mounting screw hole; 6. Stage truck body; 61. Pickup trailer. Detailed Implementation

[0026] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0027] This utility model provides an improved gooseneck traction device for a stage trailer. The technical solution of this utility model is as follows:

[0028] Figures 1-5 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figures 1-5 The present invention will be further described below.

[0029] like Figure 1 - Figure 3 As shown, a gooseneck traction device for a stage trailer includes a gooseneck frame 1 and a traction seat body 3 on the front side of the gooseneck frame 1. It also includes a connecting frame, which is located at the front end of the L-shaped gooseneck frame 1. The connecting frame is a triangular mechanism and includes a connecting end 2 welded to the front end of the gooseneck frame 1. At least two sets of reinforcing rods 201 are welded laterally between the two inclined surfaces of the connecting end 2. By welding at least two sets of reinforcing rods 201 laterally inside the triangular connecting end 2, the overall structural strength of the connecting end 2 is strengthened, thereby improving the stability of the connection between the connecting frame and the gooseneck frame 1. This allows the entire traction device to withstand greater tensile force during use and reduces the risk of structural damage due to uneven stress.

[0030] like Figure 1 - Figure 3As shown in the drawings, in an embodiment, it also includes a traction base and a connecting sleeve. The traction base is arranged at the front end of the connecting frame, and the connecting sleeve includes a triangular mounting sleeve 4, the end wall of the mounting sleeve 4 close to the connecting frame is hollowed out, and the triangular front end of the connecting frame is inserted into the hollow opening of the mounting sleeve 4, and the other end of the mounting sleeve 4 is welded with the traction base. The two sides of the mounting sleeve 4 are provided with fixed plates 401 corresponding to the side plates of the connecting end 2 horizontally, and two rows of fixed bolts 402 are threadedly connected on each fixed plate 401, and the fixed bolts 402 are threadedly connected with the threaded holes provided on the outer side of the connecting end 2. The traction base includes a traction seat body 3, which is composed of an upper end cylinder and a lower end connecting disc, and the connecting disc is provided with standard threaded holes (for adapting to multiple groups of traction pins). Through this arrangement, the traction base is detachably connected between the connecting sleeve and the gooseneck frame 1, and different specifications of the traction seat body 3 can be replaced according to actual needs, improving the versatility and adaptability of the traction device and meeting the traction needs in different scenes.

[0031] As shown in the drawings, Figure 4 and Figure 5 As shown in the drawings, in an embodiment, it also includes a connecting plate. The connecting plate is arranged at the bottom of the gooseneck frame 1 away from the two sides of the connecting frame, and is used for detachably connecting the gooseneck frame 1 with the stage car body 6 arranged at the rear side of the gooseneck frame 1. The connecting plate includes an L-shaped connecting angle plate 5, and a row of mounting screw holes 501 are arranged on the two sides of the connecting angle plate 5. The connecting angle plate 5 is composed of two groups of horizontal rods and a vertical concave rod, and the two vertical ends of the concave rod of the connecting angle plate 5 are threadedly connected to the gooseneck frame 1 by fasteners. Through this structural arrangement, the gooseneck frame 1 is detachably connected between the connecting plate at the tail and the stage car body 6 in a detachable manner. The traction seat body 3 is connected to the rear compartment of the pickup trailer 61, and the stage car body 6 is moved to the stage building area by the traction device of the pickup trailer 61. The gooseneck frame 1 can be removed during stage building, which is convenient for stage building. At the same time, the gooseneck frame 1 and the stage car body 6 can be stably connected during transportation or other non-building scenes, ensuring transportation safety. In addition, the design of the L-shaped connecting angle plate 5 increases the contact area with the gooseneck frame 1 and the stage car body 6, improving the stability of the connection. Moreover, the mounting screw holes 501 on the connecting angle plate 5 facilitate the adjustment of the connection position, further enhancing the flexibility of the installation.

[0032] The utility model discloses a working principle and use flow: in use, first, the traction seat main part 3 is installed on the connecting frame of the goose neck framework 1 front end through the connecting sleeve, utilizes the fixed bolt 402 on fixed plate 401 and the outside thread hole of connecting end 2 and is connected fixed.Then the goose neck framework 1 is connected through the connecting angle plate 5 of bottom with stage car body 6, installs on the rear compartment of pick-up trailer 61 through the traction seat main part 3, drives the whole traction device through pick-up trailer 61 and moves stage car body 6 to the area that needs to carry out performance display, through the mounting screw hole 501 of fastener through connecting angle plate 5 and is fixed with goose neck framework 1.In need, the fastener between connecting angle plate 5 and goose neck framework 1 is removed, removes goose neck framework 1, and the stage is built conveniently.While in the transportation process, the traction pin on the traction seat main part 3 is connected with the towing vehicle, realizes the traction transportation of stage car body 6.

[0033] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above technical means, and also includes the technical scheme composed by the equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A gooseneck traction device for a stage trailer, comprising a gooseneck frame (1), characterized in that: Also includes; A connecting frame is provided at the front end of the L-shaped gooseneck frame (1), and the connecting frame is a triangular mechanism; The traction base and the connecting sleeve are provided. The traction base is located at the front end of the connecting frame, and the connecting sleeve includes a triangular mounting sleeve (4). The wall of the mounting sleeve (4) near the connecting frame is hollowed out, and the hollow opening of the mounting sleeve (4) is inserted into the triangular front end of the connecting frame. The other end of the mounting sleeve (4) is welded with the traction base. Both sides of the mounting sleeve (4) are provided with fixing plates (401) that are horizontally corresponding to the side plate of the connecting end (2). Each fixing plate (401) is threaded with two rows of fixing bolts (402). The fixing bolts (402) extend into the interior of the mounting sleeve (4) and are threadedly connected to the threaded holes opened on the outside of the connecting end (2). The connecting plate is located on both sides of the bottom of the gooseneck frame (1) away from the connecting frame, and is used to detachably connect the gooseneck frame (1) to the stage vehicle body (6) located on the rear side of the gooseneck frame (1).

2. The gooseneck traction device for a stage trailer according to claim 1, characterized in that: The connecting frame includes a connecting end (2) welded to the front end of the goose neck skeleton (1).

3. The gooseneck traction device for a stage trailer according to claim 1, characterized in that: At least two sets of reinforcing rods (201) are welded laterally between the two inclined surfaces of the connecting end (2).

4. The gooseneck traction device for a stage trailer according to claim 1, characterized in that: The traction base includes a traction base body (3), which is composed of an upper cylinder and a lower connecting plate, and a standard threaded hole is reserved on the connecting plate.

5. The gooseneck traction device for a stage trailer according to claim 1, characterized in that: The connecting plate includes an L-shaped connecting corner plate (5). A row of mounting screw holes (501) is opened on both sides of the connecting corner plate (5). The connecting corner plate (5) is composed of two sets of horizontal bars and vertical concave bars welded together. The bottom of the two vertical ends of the concave bars of the connecting corner plate (5) are threadedly connected to the gooseneck frame (1) by fasteners.

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