CN209223692U - Nitrogen counterweight refuels compensation device manually - Google Patents

Abstract

The utility model discloses a nitrogen counterweight manual refueling compensation device, which comprises an air storage tank, oil pressure hoses are fixed at the front and rear ends of the air storage tank, and a pulling cylinder is connected to the front end of the oil pressure hose at the front end. The upper end of the pulling cylinder is connected with a muffler, the lower end of the pulling cylinder is sleeved with a floating joint, the oil pressure hose at the rear end is provided with a check valve, and the oil pressure hose at the rear end is connected with a A manual oil pump, the upper and lower ends of the manual oil pump are respectively connected with an oil cup and a manual pressure rod. The utility model is used in the nitrogen counterweight system of the machine tool, and the piston rod is used for a long time to avoid the aging of the sealing ring, resulting in the leakage of the cylinder, the pressure loss of the balance system and the like.

Description

Nitrogen counterweight manual refueling compensation device

technical field

The utility model relates to the related technical field of nitrogen counterweight systems of machine tools, in particular to a manual refueling compensation device for nitrogen counterweights.

Background technique

At present, when using a machine tool, it is necessary to use a nitrogen counterweight system to ensure the balance of the device. When the current nitrogen counterweight system is working, the piston rod of the cylinder needs to move up and down, and the nitrogen in the balance system is injected into the cylinder. To balance the quality of the vertical axis. Long-term movement will cause the sealing ring of the cylinder to wear and age, and air leakage will occur, resulting in pressure loss in the balance system, resulting in insufficient pressure in the nitrogen counterweight system, and the cylinder sealing ring will be replaced. The pressure of the rear balance system can not meet the work needs, so it is necessary to design a nitrogen counterweight manual refueling compensation device to solve the above problems.

Utility model content

The purpose of this utility model is to provide a nitrogen counterweight manual refueling compensation device to solve the problem of insufficient pressure in the nitrogen counterweight system caused by aging of the sealing ring and air leakage caused by long-term pulling of the piston rod in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: nitrogen counterweight manual refueling compensation device, including an air storage tank, the front and rear ends of the gas storage tank are fixed with oil pressure hoses, and the oil pressure hoses at the front end The front end of the oil pressure hose is connected with a pull cylinder, the oil pressure hose at the rear end is provided with a one-way valve, the rear end of the oil pressure hose at the rear end is connected with a manual oil pump, and the upper and lower ends of the manual oil pump are respectively connected with oil Cup and manual pressing lever.

Preferably, the upper end of the pulling cylinder is connected with a muffler, and the lower end of the pulling cylinder is sleeved with a floating joint.

Preferably, the front and rear ends of the oil pressure hose at the front end are respectively provided with a first joint and a second joint, and a third joint is provided between the muffler and the cylinder.

Compared with the prior art, the beneficial effects of the utility model are:

1. The oil in the oil cup is injected into the air storage tank through the manual oil pump to make up for the missing pressure in the air storage tank, so that the nitrogen counterweight system of the machine tool is always in normal working condition.

2. A manual pressure rod is installed at the lower end of the manual oil pump, and the engine oil can be quickly added into the air storage tank directly and manually. The operation is convenient, and a one-way valve is set to avoid the oil backflow.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the utility model.

In the figure: 1. Air storage tank; 2. Pull cylinder; 3. Floating joint; 4. Oil pressure hose; 5. Second joint; 6. First joint; 7. Third joint; 8. Muffler; 9 , One-way valve; 10, oil cup; 11, manual oil pump; 12, manual pressure rod.

Detailed ways

In order to solve the problem of insufficient pressure in the nitrogen counterweight system due to aging of the sealing ring and air leakage caused by long-term pulling of the piston rod, the embodiment of the utility model provides a manual refueling compensation device for the nitrogen counterweight. The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

Please refer to Fig. 1, this embodiment provides a nitrogen counterweight manual refueling compensation device, including an air storage tank 1, the front and rear ends of the air storage tank 1 are fixed with oil pressure hoses 4, and the front end of the front end oil pressure hose 4 is connected There is a pull cylinder 2, a check valve 9 is arranged on the rear hydraulic hose 4, a manual oil pump 11 is connected to the rear end of the rear hydraulic hose 4, and the upper and lower ends of the manual oil pump 11 are respectively connected with oil cups 10 and Manual pressing bar 12.

In this embodiment, when in use, inject the oil in the oil cup 10 into the manual oil pump 11, then seal the oil inlet of the manual oil pump 11, hold the manual pressure lever 12 and press down, and the manual oil pump 11 generates pressure to open the one-way valve 9 , inject oil into the air storage tank 1 (that is, the balance system). When the pressure of the air storage tank 1 meets the requirements for the use of the counterweight cylinder, loosen the manual pressure lever 12. At this time, the manual oil pump 11 has no pressure, and the check valve 9 is storing air. The one-way valve 9 is closed under the action of the tank pressure, and the pressure of the gas storage tank 1 (that is, the balance system) meets the balance requirements of the nitrogen counterweight system, so that the nitrogen counterweight system of the machine tool is always in a normal working state;

The specific model of oil pressure hose 4 is UE03 30002W, the specific model of gas storage tank 1 is SCBS 20L, and the specific model of cylinder 2 is IN50(25)850FA.

Example 2

Please refer to Fig. 1, a further improvement has been made on the basis of Embodiment 1: a muffler 8 is connected to the upper end of the cylinder 2, and a floating joint 3 is sleeved on the lower end of the cylinder 2; the front and rear ends of the hydraulic hose 4 at the front end A first joint 6 and a second joint 5 are respectively provided, and a third joint 7 is provided between the muffler 8 and the cylinder 2 .

In this embodiment, a muffler 8 is provided to play the role of noise reduction. The specific model of the muffler 8 is MEC30003, and a floating joint 3 is provided, and the specific model is KGT1020, which is connected to the vertical shaft and then moves up and down;

A third joint 7 is arranged between the muffler 8 and the cylinder 2, and the specific model is 3P3P, which is convenient for installing the muffler 8 on the cylinder 2.

The front end hydraulic hose 4 is provided with a first connector 6 and a second connector 5 at the front and rear ends respectively, the specific models are 3P3HL and 3P3H respectively, so that the hydraulic hose 4 can be easily installed between the gas storage tank 1 and the cylinder 2 .

In the practical description, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower" and "horizontal" are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of It is convenient to describe the utility and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility. In addition, "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In this practical description, it should also be noted that, unless otherwise specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, or It may be detachably connected, or integrally connected, may be mechanically connected, may also be electrically connected, may be directly connected, may also be connected through an intermediary, and may be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (3)

1. The compensation device 1. nitrogen counterweight refuels manually, including air accumulator (1), it is characterised in that: the front and back two of the air accumulator (1) End is respectively and fixedly provided with descaling hose (4), and the front end of descaling hose (4) described in front end is connected with scuffing of cylinder bore (2), descaling hose described in rear end (4) it is provided on check valve (9), the rear end of descaling hose (4) described in rear end is connected with hand oil pump (11), the hand oil pump (11) upper and lower ends are connected separately with lubricating cup (10) and Manual pressure bar (12).
2. The compensation device 2. nitrogen counterweight according to claim 1 refuels manually, it is characterised in that: the scuffing of cylinder bore (2) it is upper End is connected with muffler (8), and the lower end of the scuffing of cylinder bore (2) is socketed with floating junction (3).
3. The compensation device 3. nitrogen counterweight according to claim 2 refuels manually, it is characterised in that: descaling hose described in front end (4) rear and front end is respectively arranged with the first connector (6) and the second connector (5), sets between the muffler (8) and scuffing of cylinder bore (2) It is equipped with third connector (7).