Ram pull accessory head oil cylinder dynamometer and use method

Abstract

The invention discloses a ram pull accessory head oil cylinder dynamometer and a use method, and belongs to the technical field of machining and manufacturing. An inner cavity of the cylinder body is connected with the right end of the piston pull rod through a piston pull rod sealing ring, the upper end of the cylinder body is connected with an end cover through threads, an inner cavity of the end cover is connected with the left end of the piston pull rod through an end cover sealing ring, a bolt is arranged at the lower end of the pop-rivet, a bolt hole is formed in the center of the upper end of the piston pull rod, and the bolt of the pop-rivet is connected with the bolt hole of the piston pull rod. A bolt hole is formed in the lower end of the piston pull rod and connected with an oil way channel, the other end of the oil way channel is communicated with an inner cavity of the cylinder body, one side of a pressure gauge connector is connected with the lower end of the cylinder body, and the other side of the pressure gauge connector is connected with a shell of the pressure gauge. The contact pin end of the pressure gauge contacts the end face of the piston pull rod. The device is not limited by the placing mode of the ram box body, and can be used for measurement when being placed horizontally and vertically. The device can be carried to a maintenance site for business trip maintenance, and is time-saving, labor-saving, convenient and fast in tension detection.

Description

Technical Field

[0001] The invention relates to a ram pull attachment head oil cylinder dynamometer and a use method thereof, belonging to the technical field of mechanical processing and manufacturing. Background Art

[0002] The claws of the ram pull attachment head cannot be measured with a standard tool holder and a dynamometer like the spindle pull tool. A dedicated dynamometer is required, which is expensive. In addition, there are many specifications of pull nails on the attachment head. If you buy dynamometers of all specifications, the cost is too high. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a ram pull attachment head oil cylinder force measuring device and a use method thereof.

[0004] A ram pull attachment head oil cylinder dynamometer, one end of the cylinder body is provided with an end cover, a piston pull rod is installed in the cylinder body, the piston pull rod can move in the cylinder body, a pull nail is installed on one end of the piston pull rod, a pressure gauge is installed on the other end, and a sealing ring is installed on the piston pull rod.

[0005] A method for using a ram pull attachment head oil cylinder dynamometer comprises the following steps: selecting a circular cylinder body, installing a sealing ring at one end of a piston pull rod, rotating the piston pull rod in the cylinder body, installing a sealing ring on an end cover, pressing the end face of the cylinder body with the end cover, allowing the piston pull rod to move in the cylinder body, installing a rivet at one end of the piston pull rod, installing a pressure gauge joint at the other end, installing a pressure gauge on the pressure gauge joint, and fixing it with a flat-end set screw.

[0006] The present invention converts the tension of the oil cylinder into a visual value, which is convenient for reading data, simple and quick. Regarding the tension of the ram pulling attachment head, since each ram has 4 pull nail positions, the tension is provided by the superposition of multiple disc springs, and the tension values ​​of the 4 pull nail positions cannot be completely fixed and unified. Too large or too small cannot meet the use requirements. Therefore, the tension value needs to be measured during assembly to ensure that the tension of the 4 pull nail positions is unified.

[0007] The problem of complex measurement is solved. It is quick to install, easy to read, has stable and reliable quality, and is highly efficient. The specifications of the pull rivets can be replaced to achieve measurement of various slide cylinders. Due to the large size of the slide, it is impossible to use a tension measuring machine to detect the tension value of the cylinder, and when the slide detects the tension of the cylinder, it is generally in a vertical position, and the tension measuring machine cannot be placed. The present invention is small in size, light and easy to carry, saving time and effort during detection. It is not limited by the placement of the slide box, and can be measured in both horizontal and vertical placements. When traveling for maintenance, the present invention can be carried to the maintenance site, saving time and effort when detecting tension, and is convenient and quick. The present invention can replace the pull rivets according to the pull rivet specifications of the accessory head to meet the measurement of slide accessory head cylinders of various specifications. There is no need to purchase multiple force gauges. Greatly saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] When considered in conjunction with the accompanying drawings, the present invention can be more completely and better understood and many of the accompanying advantages can be easily known by referring to the detailed description below, but the drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention, as shown in the figure:

[0009] Figure 1 It is a structural schematic diagram of the present invention.

[0010] Figure 2 It is a schematic diagram of the use structure of the present invention.

[0011] The present invention is further described below in conjunction with the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0012] Obviously, many modifications and changes made by those skilled in the art based on the purpose of the present invention belong to the protection scope of the present invention.

[0013] It will be understood by those skilled in the art that, unless expressly stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present invention refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It should be understood that when an element or component is said to be "connected" to another element or component, it may be directly connected to the other element or component, or there may be an intermediate element or component. The term "and / or" used herein includes any unit and all combinations of one or more associated listed items.

[0014] It should be understood by those skilled in the art that unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as generally understood by those skilled in the art.

[0015] Example 1: Figure 1 , Figure 2As shown, a ram pull attachment head oil cylinder dynamometer, the inner cavity of the cylinder body 2 is connected to the right end of the piston pull rod 3 through the piston pull rod sealing ring 7, the upper end of the cylinder body 2 is connected to the end cover 1 through a thread, the inner cavity of the end cover 1 is connected to the left end of the piston pull rod 3 through the end cover sealing ring 8, the lower end of the rivet 9 is a bolt, the center of the upper end of the piston pull rod 3 is a bolt hole, the bolt of the rivet 9 is connected to the bolt hole of the piston pull rod 3, the lower end of the piston pull rod 3 has a bolt hole, the bolt hole is connected to the oil passage, the other end of the oil passage is connected to the inner cavity of the cylinder body 2, one side of the pressure gauge joint 4 is connected to the lower end of the cylinder body 2, the other side of the pressure gauge joint 4 is connected to the housing of the pressure gauge 5, the pressure gauge 5 is fixed by the flat end set screw 6, and the contact pin end of the pressure gauge 5 contacts the end face of the piston pull rod 3. There are two end cover sealing rings 8 and two piston pull rod sealing rings 7 respectively. The end cover 1 is fitted with the ram housing 10, and the pull nail 9 is pulled by the pull claw 11, and the pull nail 9 drives the piston rod 3 to move, so that the value of the pressure gauge changes.

[0016] Example 2: Figure 1 , Figure 2 As shown, a slide ram pulling attachment head cylinder force gauge converts the cylinder pulling force into a pressure gauge reading. It is convenient and fast, easy to read, has stable and reliable quality, high efficiency and low cost. Through this invention, the cylinder pulling force is converted into a pressure gauge value.

[0017] A ram pull attachment head oil cylinder dynamometer has a cylinder body and an end cover at one end of the cylinder body. A piston pull rod is installed in the cylinder body and can move in the cylinder body. A circular cylinder body is selected, a sealing ring is installed at one end of the piston pull rod, the piston pull rod is rotated in the cylinder body, a sealing ring is installed on the end cover, and the end cover is used to press the end face of the cylinder body, the piston pull rod can move in the cylinder body, a rivet is installed at one end of the piston pull rod, and a pressure gauge joint is installed at the other end, a pressure gauge is installed on the pressure gauge joint, and fixed with a flat end set screw.

[0018] A pull pin is installed on one end of the piston rod, and a pressure gauge is installed on the other end. A sealing ring is installed on the piston rod. The cylinder tension is converted into a visual value, which is convenient for reading data, simple and quick.

[0019] Regarding the tension of the ram pulling accessory head, since each ram has 4 pulling nail positions, the tension is provided by the superposition of multiple disc springs. The tension values ​​of the 4 pulling nail positions cannot be completely fixed and unified. Too large or too small cannot meet the use requirements. Therefore, the tension value needs to be measured during assembly to ensure the uniformity of the tension of the 4 pulling nail positions.

[0020] Example 3: Figure 1 , Figure 2As shown, a method for using a ram pull attachment head cylinder dynamometer includes the following steps: a piston rod sealing ring 7 is installed in the sealing ring groove of the piston rod 3, an end cover sealing ring 8 is installed in the sealing ring groove of the end cover 1, the piston rod 3 is installed in the cylinder body 2, the end cover 1 and the cylinder body 2 are connected together by threads, a pressure gauge joint 4 is installed on the piston rod 3, a pressure gauge 5 is installed on the pressure gauge joint 4, fixed by a flat end set screw 6, and a pull pin 9 is installed on the piston rod 3.

[0021] The tooling dynamometer is installed in the ram, and the end surface of the end cover 1 is fitted with the end surface of the ram box 10 to play the role of fixing and limiting the position. The pull pin 9 is pulled by the pull claw 11 in the ram to change the position of the piston rod 3, so that the pointer of the pressure gauge 5 changes.

[0022] Read the pressure gauge.

[0023] The present invention simulates the tightened state of the accessory head rivet, uses a pressure gauge to measure the tightening force, and can directly read data, which is simple, convenient and low-cost.

[0024] As described above, the embodiments of the present invention are described in detail, but it is obvious to those skilled in the art that many variations are possible without departing from the inventive point and effect of the present invention. Therefore, all such variations are also included in the protection scope of the present invention.

Claims

1. A ram pull attachment head cylinder dynamometer, characterized in that: An end cover is arranged at one end of the cylinder body, a piston rod is installed in the cylinder body, the piston rod can move in the cylinder body, a pull nail is installed on one end of the piston rod, a pressure gauge is installed on the other end, and a sealing ring is installed on the piston rod.

2. The ram pull attachment head oil cylinder dynamometer according to claim 1, characterized in that: The inner cavity of the cylinder body is connected to the right end of the piston rod through a piston rod sealing ring, the upper end of the cylinder body is connected to the end cover through a thread, the inner cavity of the end cover is connected to the left end of the piston rod through the end cover sealing ring, the lower end of the rivet is a bolt, the center of the upper end of the piston rod is a bolt hole, the bolt of the rivet is connected to the bolt hole of the piston rod, the lower end of the piston rod is provided with a bolt hole, the bolt hole is connected to the oil passage, the other end of the oil passage is connected to the inner cavity of the cylinder body, one side of the pressure gauge joint is connected to the lower end of the cylinder body, the other side of the pressure gauge joint is connected to the housing of the pressure gauge, the pressure gauge is fixed by a flat-end set screw, and the contact needle end of the pressure gauge contacts the end face of the piston rod.

3. The ram pull attachment head oil cylinder dynamometer according to claim 1, characterized in that: The end cover is fitted with the ram box body, and the pull claw is connected with the pull nail.

4. The ram pull attachment head oil cylinder dynamometer according to claim 1, characterized in that: There are two end cover sealing rings and two piston rod sealing rings respectively.

5. A method for using a ram pull attachment head cylinder dynamometer, characterized in that: The method includes the following steps: selecting a circular cylinder body, installing a sealing ring at one end of a piston rod, rotating the piston rod in the cylinder body, installing a sealing ring on an end cover, pressing the end face of the cylinder body with the end cover, allowing the piston rod to move in the cylinder body, installing a rivet at one end of the piston rod and a pressure gauge joint at the other end, installing a pressure gauge on the pressure gauge joint, and fixing it with a flat-end set screw.

6. The method for using the ram puller attachment head cylinder dynamometer according to claim 5, characterized in that: The piston rod sealing ring is installed in the sealing ring groove of the piston rod, the end cover sealing ring is installed in the sealing ring groove of the end cover, the piston rod is installed in the cylinder body, the end cover and the cylinder body are connected together by threads, the pressure gauge joint is installed on the piston rod, the pressure gauge is installed on the pressure gauge joint, fixed by the flat end set screw, the pull pin is installed on the piston rod, the tooling dynamometer is installed in the ram, the end face of the end cover is fitted with the end face of the ram box, which plays the role of fixing and limiting the position, and the pull pin is pulled by the pull claw in the ram to change the position of the piston rod, so that the pointer of the pressure gauge changes.

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