Reset tool for door closing oil cylinder of tail board test bench

Abstract

The utility model relates to the technical field of industrial manufacturing, in particular to a reset tool for a door closing oil cylinder of a tailboard testboard, which comprises an air cylinder, a front upright post, a guide rail, an air cylinder fixing barrel and a zipper, and the guide rail comprises a steel plate, a lengthened bottom plate and a support lug plate. Through the air cylinder and the zipper, when the oil cylinder extends, due to the fact that the oil cylinder is a single-acting cylinder and a breather valve is omitted, the oil cylinder is difficult to reset, at the moment, the zipper is fixed to an oil cylinder lug ring, the other end of the zipper is fixed to the air cylinder, then an air cylinder valve is opened, the air cylinder retracts to drive the zipper to pull the oil cylinder, and therefore the oil cylinder is reset; by means of the guide rail, the air cylinder fixing barrel and the front stand columns, the position of the air cylinder can be freely adjusted between the front stand columns, the position is accurate when the oil cylinder is pulled, damage to the oil cylinder due to improper position is avoided, the oil cylinder can be effectively reset, manpower burden is greatly saved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial manufacturing, in particular to a tailgate test bench door closing cylinder resetting tool. Background Art

[0002] A tail lift test bench is a device used to test and verify the performance of vehicle tail lifts (especially hydraulic tail lifts). It typically includes a simulated tail lift installation environment, as well as a corresponding control system and data acquisition system. It is used to simulate various operating conditions in actual use and measure the accuracy and stability of the tail lift's lifting, lowering, and closing movements.

[0003] The door closing cylinder reset fixture is an important component of the tailgate test bench. Its main function is to restore the door closing cylinder to its initial position or specified position after the test is completed so that the next test or maintenance can be carried out.

[0004] When resetting a traditional single-acting cylinder, external force is required. However, since the cylinder equipped with a traditional breathing valve is prone to internal contamination after long-term use, which affects its service life, the breathing valve configuration has been cancelled. Due to the cancellation of the breathing valve, the cylinder can only be reset by manpower, which is not only time-consuming and labor-intensive, but also greatly affects work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a tailgate test bench closing cylinder reset tooling, which solves the problem in the prior art that the traditional single-acting cylinder needs to be reset with the help of external force. Since the cylinder with a traditional breathing valve configuration is prone to contamination after long-term use, which affects its service life, the breathing valve configuration is cancelled. Due to the cancellation of the breathing valve, the cylinder can only be reset by manpower, which is not only time-consuming and labor-intensive, but also greatly affects work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides a tailgate test bench closing cylinder reset tooling, including a cylinder, a front column, a guide rail, a cylinder fixing tube and a zipper, the guide rail includes a steel plate, an extended bottom plate and a support ear plate, the extended bottom plate is welded to the steel plate, the extended bottom plate and the steel plate are arranged together inside the front column, and are slidably adapted to the front column, the support ear plate is welded to the upper end of the steel plate, the cylinder fixing tube is connected to the guide rail, the cylinder fixing tube is fixedly sleeved on the outside of the cylinder, and the zipper is arranged on the right side of the cylinder.

[0007] Among them, the cylinder fixing tube includes a cylinder fixing tube ear plate, a square tube, a cylinder U-shaped groove, a cylinder fixing plate and two limit plates. The cylinder fixing plate is welded to the cylinder U-shaped groove and is located on the left side of the cylinder U-shaped groove. The cylinder fixing tube ear plate is welded to the cylinder fixing plate and is located on the left side of the cylinder fixing plate. The square tube is arranged in the inner cavity of the cylinder U-shaped groove. The support ear plate is rotatably connected to the cylinder fixing tube ear plate. The two limit plates are respectively welded to the cylinder U-shaped groove and are respectively located at the upper ends of the cylinder U-shaped groove.

[0008] Wherein, the cylinder includes a cylinder body and a piston rod, the piston rod is fixedly connected to the right end of the cylinder body, the piston rod is adapted to the zipper, and the cylinder body is arranged inside the U-shaped groove of the cylinder and connected to the square tube.

[0009] Among them, the tailgate test bench closing cylinder reset tooling also includes a chain and a reinforcement ring. The chain is welded to the zipper and is located at the upper right end of the zipper. The chain is adapted to the piston rod. The zipper has a through hole, and the reinforcement ring is arranged on the through hole.

[0010] The utility model provides a tailgate test bench closing cylinder reset tooling, the extended base plate is welded to the steel plate, the extended base plate and the steel plate are arranged together inside the front column, and are slidably adapted to the front column, the support ear plate is welded to the upper end of the steel plate, the cylinder fixing tube is connected to the guide rail, the cylinder fixing tube is fixedly sleeved on the outside of the cylinder, and the zipper is arranged on the right side of the cylinder. By means of the provided cylinder and the zipper, when the oil cylinder is extended, it is difficult to reset the oil cylinder because it is a single-acting cylinder and the breathing valve is cancelled. At this time, the zipper is fixed to the oil cylinder earring, and the other end is fixed to the cylinder. Then, the cylinder valve is opened, and the cylinder recovery will drive the zipper to pull the oil cylinder, thereby resetting the oil cylinder. By means of the provided guide rail, the cylinder fixing tube and the front column, the position of the cylinder can be freely adjusted between the front columns, so that the position is accurate when the oil cylinder is pulled, avoiding damage to the oil cylinder due to improper position, thereby effectively resetting the oil cylinder, greatly saving manpower burden and increasing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0012] Figure 1 It is an overall top view of the utility model.

[0013] Figure 2 It is an overall front view of the utility model.

[0014] 1- cylinder, 2- front column, 3- guide rail, 4- cylinder fixing tube, 5- zipper, 6- steel plate, 7- extended base plate, 8- support ear plate, 9- cylinder fixing tube ear plate, 10- square tube, 11- cylinder U-shaped groove, 12- cylinder fixing plate, 13- limit plate, 14- cylinder body, 15- piston rod, 16- chain, 17- reinforcement ring, 18- through hole. DETAILED DESCRIPTION

[0015] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0016] See also Figure 1 and Figure 2 ,in, Figure 1 It is a top view of the entire utility model. Figure 2 It is an overall front view of the utility model.

[0017] The utility model provides a tailgate test bench door closing cylinder reset tooling, comprising a cylinder 1, a front column 2, a guide rail 3, a cylinder fixing tube 4 and a zipper 5, wherein the guide rail 3 comprises a steel plate 6, an extended bottom plate 7 and a support ear plate 8, the extended bottom plate 7 is welded to the steel plate 6, the extended bottom plate 7 and the steel plate 6 are arranged together inside the front column 2, and are slidably adapted to the front column 2, the support ear plate 8 is welded to the upper end of the steel plate 6, the cylinder fixing tube 4 is connected to the guide rail 3, the cylinder fixing tube 4 is fixedly sleeved on the outside of the cylinder 1, and the zipper 5 is arranged on the right side of the cylinder 1.

[0018] In this embodiment, through the provided cylinder 1 and the zipper 5, when the cylinder is extended, it is difficult to reset the cylinder because it is a single-acting cylinder and the breathing valve is cancelled. At this time, the zipper 5 is fixed to the cylinder earring, and the other end is fixed to the cylinder 1. Then the valve of the cylinder 1 is opened, and the retraction of the cylinder 1 will drive the zipper 5 to pull the cylinder, thereby resetting the cylinder. Through the provided guide rail 3, the cylinder fixing tube 4 and the front column 2, the position of the cylinder 1 can be freely adjusted between the front columns 2, so that the position is accurate when the cylinder is pulled, avoiding damage to the cylinder due to improper position, thereby effectively resetting the cylinder, greatly saving manpower burden and increasing production efficiency.

[0019] Furthermore, the cylinder fixing tube 4 includes a cylinder fixing tube ear plate 9, a square tube, a cylinder U-shaped groove 11, a cylinder fixing plate 12 and two limit plates 13. The cylinder fixing plate 12 is welded to the cylinder U-shaped groove 11 and is located on the left side of the cylinder U-shaped groove 11. The cylinder fixing tube ear plate 9 is welded to the cylinder fixing plate 12 and is located on the left side of the cylinder fixing plate 12. The square tube is arranged in the inner cavity of the cylinder U-shaped groove 11. The support ear plate 8 is rotatably connected to the cylinder fixing tube ear plate 9. The two limit plates 13 are respectively welded to the cylinder U-shaped groove 11 and are respectively located at the upper ends of the cylinder U-shaped groove 11.

[0020] In this embodiment, the cylinder fixing tube ear plate 9 is connected to the support ear plate 8, thereby pulling the cylinder U-shaped groove 11 to move, and then driving the cylinder 1 to move, so that the cylinder 1 can be adjusted to a suitable position to pull the oil cylinder. When the cylinder 1 is set in the cylinder U-shaped groove 11, the two limit plates 13 are set to make the cylinder 1 completely fixed in the cylinder U-shaped groove 11.

[0021] Furthermore, the cylinder 1 includes a cylinder body 14 and a piston rod 15, the piston rod 15 is fixedly connected to the right end of the cylinder body 14, the piston rod 15 is adapted to the zipper 5, and the cylinder body 14 is arranged inside the cylinder U-shaped groove 11 and connected to the square tube.

[0022] In this embodiment, the cylinder body 14 drives the piston rod 15 to move, and then the piston rod 15 is connected to the zipper 5, thereby driving the oil cylinder to reset.

[0023] Furthermore, the tailgate test bench closing cylinder reset tooling also includes a chain 16 and a reinforcement ring 17. The chain 16 is welded to the zipper 5 and is located at the upper right end of the zipper 5. The chain 16 is adapted to the piston rod 15. The zipper 5 has a through hole 18, and the reinforcement ring 17 is arranged on the through hole 18.

[0024] In this embodiment, the reinforcement ring 17 is provided to improve the strength of the through hole 18 to ensure long-term use and prevent deformation.

[0025] When using the tailgate test bench closing cylinder reset fixture of the present invention, first, the zipper 5 and the cylinder earring are fixed by the shaft connection, and at the same time, the cylinder 1 is adjusted to be placed directly behind the cylinder through the guide rail 3, and then the valve is opened, the piston rod 15 is retracted, and the cylinder is pulled back until the cylinder is completely reset, and the valve is closed. At this time, the entire fixture stops running and a reset is completed.

[0026] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A tailgate test bench closing cylinder reset tool, characterized in that: It includes a cylinder, a front column, a guide rail, a cylinder fixing tube and a zipper, wherein the guide rail includes a steel plate, an extended bottom plate and a support ear plate; The extended base plate is welded to the steel plate, and the extended base plate and the steel plate are arranged together inside the front column and are slidably adapted to the front column. The support ear plate is welded to the upper end of the steel plate, the cylinder fixing tube is connected to the guide rail, and the cylinder fixing tube is fixedly sleeved on the outside of the cylinder, and the zipper is arranged on the right side of the cylinder.

2. The tailgate test bench closing cylinder reset fixture according to claim 1, characterized in that: The cylinder fixing tube includes a cylinder fixing tube ear plate, a square tube, a cylinder U-shaped groove, a cylinder fixing plate and two limit plates. The cylinder fixing plate is welded to the cylinder U-shaped groove and is located on the left side of the cylinder U-shaped groove. The cylinder fixing tube ear plate is welded to the cylinder fixing plate and is located on the left side of the cylinder fixing plate. The square tube is arranged in the inner cavity of the cylinder U-shaped groove. The support ear plate is rotatably connected to the cylinder fixing tube ear plate. The two limit plates are respectively welded to the cylinder U-shaped groove and are respectively located at the upper ends of the cylinder U-shaped groove.

3. The tailgate test bench closing cylinder reset fixture as claimed in claim 2, characterized in that: The cylinder includes a cylinder body and a piston rod, the piston rod is fixedly connected to the right end of the cylinder body, the piston rod is adapted to the zipper, and the cylinder body is arranged inside the U-shaped groove of the cylinder and connected to the square tube.

4. The tailgate test bench closing cylinder reset fixture as claimed in claim 3, characterized in that: The tailgate test bench closing cylinder reset tooling also includes a chain and a reinforcement ring. The chain is welded to the zipper and is located at the upper right end of the zipper. The chain is adapted to the piston rod. The zipper has a through hole, and the reinforcement ring is arranged on the through hole.

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